cargo fmt

common/src/args_parse.rs

@@ -76,4 +76,4 @@ pub fn to_ip(mask: &str) -> Result<u32, String> {
     } else {
         Err("not netmask".to_string())
     }
-}
+}

common/src/identifier.rs

@@ -1,4 +1,3 @@
-
 use std::process::Command;
 
 #[cfg(target_os = "windows")]
@@ -7,8 +6,9 @@ pub fn get_unique_identifier() -> Option<String> {
     let output = match Command::new("wmic")
         .creation_flags(0x08000000)
         .args(&["csproduct", "get", "UUID"])
-        .output() {
-        Ok(output) => { output }
+        .output()
+    {
+        Ok(output) => output,
         Err(_) => {
             return None;
         }
@@ -27,8 +27,9 @@ pub fn get_unique_identifier() -> Option<String> {
 pub fn get_unique_identifier() -> Option<String> {
     let output = match Command::new("ioreg")
         .args(&["-rd1", "-c", "IOPlatformExpertDevice"])
-        .output() {
-        Ok(output) => { output }
+        .output()
+    {
+        Ok(output) => output,
         Err(_) => {
             return None;
         }
@@ -38,7 +39,8 @@ pub fn get_unique_identifier() -> Option<String> {
     let identifier = result
         .lines()
         .find(|line| line.contains("IOPlatformUUID"))
-        .unwrap_or("").trim();
+        .unwrap_or("")
+        .trim();
     if identifier.is_empty() {
         None
     } else {
@@ -51,8 +53,9 @@ pub fn get_unique_identifier() -> Option<String> {
     let output = match Command::new("dmidecode")
         .arg("-s")
         .arg("system-uuid")
-        .output() {
-        Ok(output) => { output }
+        .output()
+    {
+        Ok(output) => output,
         Err(_) => {
             return None;
         }
@@ -65,4 +68,4 @@ pub fn get_unique_identifier() -> Option<String> {
     } else {
         Some(identifier.to_string())
     }
-}
+}

common/src/lib.rs

@@ -1,2 +1,2 @@
-pub mod identifier;
 pub mod args_parse;
+pub mod identifier;

vnt-cli/build.rs

@@ -7,4 +7,4 @@ fn main() {
     //     embed_manifest(new_manifest("vnt")
     //         .requested_execution_level(ExecutionLevel::RequireAdministrator)).expect("unable to embed manifest file");
     // }
-}
+}

vnt-cli/src/command/client.rs

@@ -3,7 +3,7 @@ use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4, UdpSocket};
 use std::str::FromStr;
 use std::time::Duration;
 
-use crate::command::entity::{DeviceItem, RouteItem, Info};
+use crate::command::entity::{DeviceItem, Info, RouteItem};
 
 pub struct CommandClient {
     udp: UdpSocket,
@@ -17,9 +17,12 @@ impl CommandClient {
         }
         let port = std::fs::read_to_string(path_buf)?;
         let port = match u16::from_str(&port) {
-            Ok(port) => { port }
+            Ok(port) => port,
             Err(_) => {
-                return Err(io::Error::new(io::ErrorKind::Other, "'command-port' file error"));
+                return Err(io::Error::new(
+                    io::ErrorKind::Other,
+                    "'command-port' file error",
+                ));
             }
         };
         let udp = UdpSocket::bind("127.0.0.1:0")?;
@@ -38,11 +41,9 @@ impl CommandClient {
         let mut buf = [0; 10240];
         let len = self.udp.recv(&mut buf)?;
         match serde_json::from_slice::<Vec<DeviceItem>>(&buf[..len]) {
-            Ok(val) => {
-                Ok(val)
-            }
+            Ok(val) => Ok(val),
             Err(e) => {
-                log::error!("{:?}",e);
+                log::error!("{:?}", e);
                 Err(io::Error::new(io::ErrorKind::Other, "data error"))
             }
         }
@@ -52,11 +53,9 @@ impl CommandClient {
         let mut buf = [0; 10240];
         let len = self.udp.recv(&mut buf)?;
         match serde_json::from_slice::<Vec<RouteItem>>(&buf[..len]) {
-            Ok(val) => {
-                Ok(val)
-            }
+            Ok(val) => Ok(val),
             Err(e) => {
-                log::error!("{:?}",e);
+                log::error!("{:?}", e);
                 Err(io::Error::new(io::ErrorKind::Other, "data error"))
             }
         }
@@ -66,11 +65,9 @@ impl CommandClient {
         let mut buf = [0; 10240];
         let len = self.udp.recv(&mut buf)?;
         match serde_json::from_slice::<Info>(&buf[..len]) {
-            Ok(val) => {
-                Ok(val)
-            }
+            Ok(val) => Ok(val),
             Err(e) => {
-                log::error!("{:?},{:?}",&buf[..len],e);
+                log::error!("{:?},{:?}", &buf[..len], e);
                 Err(io::Error::new(io::ErrorKind::Other, "data error"))
             }
         }

vnt-cli/src/command/entity.rs

@@ -33,5 +33,5 @@ pub struct DeviceItem {
     pub rt: String,
     pub status: String,
     pub client_secret: bool,
-    pub current_client_secret:bool,
-}
+    pub current_client_secret: bool,
+}

vnt-cli/src/command/mod.rs

@@ -1,11 +1,11 @@
+use crate::command::entity::{DeviceItem, Info, RouteItem};
+use crate::console_out;
 use std::io;
 use vnt::core::Vnt;
-use crate::command::entity::{DeviceItem, RouteItem, Info};
-use crate::console_out;
 
 pub mod client;
-pub mod server;
 pub mod entity;
+pub mod server;
 
 pub enum CommandEnum {
     Route,
@@ -51,7 +51,9 @@ pub fn command_route(vnt: &Vnt) -> Vec<RouteItem> {
     let route_table = vnt.route_table();
     let mut route_list = Vec::with_capacity(route_table.len());
     for (destination, route) in route_table {
-        let next_hop = vnt.route_key(&route.route_key()).map_or(String::new(), |v| v.to_string());
+        let next_hop = vnt
+            .route_key(&route.route_key())
+            .map_or(String::new(), |v| v.to_string());
         let metric = route.metric.to_string();
         let rt = if route.rt < 0 {
             "".to_string()
@@ -79,15 +81,17 @@ pub fn command_list(vnt: &Vnt) -> Vec<DeviceItem> {
     for peer in device_list {
         let name = peer.name;
         let virtual_ip = peer.virtual_ip.to_string();
-        let (nat_type, public_ips, local_ip) = if let Some(nat_info) = vnt.peer_nat_info(&peer.virtual_ip) {
-            let nat_type = format!("{:?}", nat_info.nat_type);
-            let public_ips: Vec<String> = nat_info.public_ips.iter().map(|v| v.to_string()).collect();
-            let public_ips = public_ips.join(",");
-            let local_ip = nat_info.local_ipv4_addr.ip().to_string();
-            (nat_type, public_ips, local_ip)
-        } else {
-            ("".to_string(), "".to_string(), "".to_string())
-        };
+        let (nat_type, public_ips, local_ip) =
+            if let Some(nat_info) = vnt.peer_nat_info(&peer.virtual_ip) {
+                let nat_type = format!("{:?}", nat_info.nat_type);
+                let public_ips: Vec<String> =
+                    nat_info.public_ips.iter().map(|v| v.to_string()).collect();
+                let public_ips = public_ips.join(",");
+                let local_ip = nat_info.local_ipv4_addr.ip().to_string();
+                (nat_type, public_ips, local_ip)
+            } else {
+                ("".to_string(), "".to_string(), "".to_string())
+            };
         let (nat_traversal_type, rt) = if let Some(route) = vnt.route(&peer.virtual_ip) {
             let nat_traversal_type = if route.metric == 1 {
                 "p2p"
@@ -95,7 +99,8 @@ pub fn command_list(vnt: &Vnt) -> Vec<DeviceItem> {
                 "server-relay"
             } else {
                 "client-relay"
-            }.to_string();
+            }
+            .to_string();
             let rt = if route.rt < 0 {
                 "".to_string()
             } else {
@@ -155,4 +160,3 @@ pub fn command_info(vnt: &Vnt) -> Info {
         ipv6_addr,
     }
 }
-

vnt-cli/src/command/server.rs

@@ -4,7 +4,6 @@ use tokio::net::UdpSocket;
 
 use vnt::core::Vnt;
 
-
 pub struct CommandServer {}
 
 impl CommandServer {
@@ -41,39 +40,26 @@ impl CommandServer {
     }
 }
 
-
 fn command(cmd: &str, vnt: &Vnt) -> io::Result<String> {
     let out_str = match cmd {
-        "route" => {
-            match serde_json::to_string(&crate::command::command_route(vnt)) {
-                Ok(str) => {
-                    str
-                }
-                Err(e) => {
-                    format!("{:?}", e)
-                }
+        "route" => match serde_json::to_string(&crate::command::command_route(vnt)) {
+            Ok(str) => str,
+            Err(e) => {
+                format!("{:?}", e)
             }
-        }
-        "list" => {
-            match serde_json::to_string(&crate::command::command_list(vnt)) {
-                Ok(str) => {
-                    str
-                }
-                Err(e) => {
-                    format!("{:?}", e)
-                }
+        },
+        "list" => match serde_json::to_string(&crate::command::command_list(vnt)) {
+            Ok(str) => str,
+            Err(e) => {
+                format!("{:?}", e)
             }
-        }
-        "info" => {
-            match serde_json::to_string(&crate::command::command_info(vnt)) {
-                Ok(str) => {
-                    str
-                }
-                Err(e) => {
-                    format!("{:?}", e)
-                }
+        },
+        "info" => match serde_json::to_string(&crate::command::command_info(vnt)) {
+            Ok(str) => str,
+            Err(e) => {
+                format!("{:?}", e)
             }
-        }
+        },
         "stop" => {
             vnt.stop()?;
             "stopped".to_string()

vnt-cli/src/console_out/mod.rs

@@ -1,6 +1,6 @@
 use console::{style, Style};
 
-use crate::command::entity::{DeviceItem, RouteItem, Info};
+use crate::command::entity::{DeviceItem, Info, RouteItem};
 
 pub mod table;
 
@@ -9,7 +9,10 @@ pub fn console_info(status: Info) {
     println!("Virtual ip: {}", style(status.virtual_ip).green());
     println!("Virtual gateway: {}", style(status.virtual_gateway).green());
     println!("Virtual netmask: {}", style(status.virtual_netmask).green());
-    println!("Connection status: {}", style(status.connect_status).green());
+    println!(
+        "Connection status: {}",
+        style(status.connect_status).green()
+    );
     println!("NAT type: {}", style(status.nat_type).green());
     println!("Relay server: {}", style(status.relay_server).green());
     println!("Public ips: {}", style(status.public_ips).green());
@@ -25,17 +28,21 @@ pub fn console_route_table(mut list: Vec<RouteItem>) {
     list.sort_by(|t1, t2| t1.destination.cmp(&t2.destination));
     let mut out_list = Vec::with_capacity(list.len());
 
-    out_list.push(vec![("Destination".to_string(), Style::new()),
-                       ("Next Hop".to_string(), Style::new()),
-                       ("Metric".to_string(), Style::new()),
-                       ("Rt".to_string(), Style::new()),
-                       ("Interface".to_string(), Style::new()), ]);
+    out_list.push(vec![
+        ("Destination".to_string(), Style::new()),
+        ("Next Hop".to_string(), Style::new()),
+        ("Metric".to_string(), Style::new()),
+        ("Rt".to_string(), Style::new()),
+        ("Interface".to_string(), Style::new()),
+    ]);
     for item in list {
-        out_list.push(vec![(item.destination, Style::new().green()),
-                           (item.next_hop, Style::new().green()),
-                           (item.metric, Style::new().green()),
-                           (item.rt, Style::new().green()),
-                           (item.interface, Style::new().green())]);
+        out_list.push(vec![
+            (item.destination, Style::new().green()),
+            (item.next_hop, Style::new().green()),
+            (item.metric, Style::new().green()),
+            (item.rt, Style::new().green()),
+            (item.interface, Style::new().green()),
+        ]);
     }
 
     table::println_table(out_list)
@@ -50,41 +57,51 @@ pub fn console_device_list(mut list: Vec<DeviceItem>) {
     list.sort_by(|t1, t2| t1.status.cmp(&t2.status));
     let mut out_list = Vec::with_capacity(list.len());
     //表头
-    out_list.push(vec![("Name".to_string(), Style::new()),
-                       ("Virtual Ip".to_string(), Style::new()),
-                       ("Status".to_string(), Style::new()),
-                       ("P2P/Relay".to_string(), Style::new()),
-                       ("Rt".to_string(), Style::new())]);
+    out_list.push(vec![
+        ("Name".to_string(), Style::new()),
+        ("Virtual Ip".to_string(), Style::new()),
+        ("Status".to_string(), Style::new()),
+        ("P2P/Relay".to_string(), Style::new()),
+        ("Rt".to_string(), Style::new()),
+    ]);
     for item in list {
         if &item.status == "Online" {
             if item.client_secret != item.current_client_secret {
                 //加密状态不一致，无法通信的
-                out_list.push(vec![(item.name, Style::new().red()),
-                                   (item.virtual_ip, Style::new().red()),
-                                   (item.status, Style::new().red()),
-                                   ("".to_string(), Style::new().red()),
-                                   ("".to_string(), Style::new().red())]);
+                out_list.push(vec![
+                    (item.name, Style::new().red()),
+                    (item.virtual_ip, Style::new().red()),
+                    (item.status, Style::new().red()),
+                    ("".to_string(), Style::new().red()),
+                    ("".to_string(), Style::new().red()),
+                ]);
             } else {
                 if &item.nat_traversal_type == "p2p" {
-                    out_list.push(vec![(item.name, Style::new().green()),
-                                       (item.virtual_ip, Style::new().green()),
-                                       (item.status, Style::new().green()),
-                                       (item.nat_traversal_type, Style::new().green()),
-                                       (item.rt, Style::new().green())]);
+                    out_list.push(vec![
+                        (item.name, Style::new().green()),
+                        (item.virtual_ip, Style::new().green()),
+                        (item.status, Style::new().green()),
+                        (item.nat_traversal_type, Style::new().green()),
+                        (item.rt, Style::new().green()),
+                    ]);
                 } else {
-                    out_list.push(vec![(item.name, Style::new().yellow()),
-                                       (item.virtual_ip, Style::new().yellow()),
-                                       (item.status, Style::new().yellow()),
-                                       (item.nat_traversal_type, Style::new().yellow()),
-                                       (item.rt, Style::new().yellow())]);
+                    out_list.push(vec![
+                        (item.name, Style::new().yellow()),
+                        (item.virtual_ip, Style::new().yellow()),
+                        (item.status, Style::new().yellow()),
+                        (item.nat_traversal_type, Style::new().yellow()),
+                        (item.rt, Style::new().yellow()),
+                    ]);
                 }
             }
         } else {
-            out_list.push(vec![(item.name, Style::new().color256(102)),
-                               (item.virtual_ip, Style::new().color256(102)),
-                               (item.status, Style::new().color256(102)),
-                               ("".to_string(), Style::new().color256(102)),
-                               ("".to_string(), Style::new().color256(102))]);
+            out_list.push(vec![
+                (item.name, Style::new().color256(102)),
+                (item.virtual_ip, Style::new().color256(102)),
+                (item.status, Style::new().color256(102)),
+                ("".to_string(), Style::new().color256(102)),
+                ("".to_string(), Style::new().color256(102)),
+            ]);
         }
     }
     table::println_table(out_list)
@@ -99,45 +116,53 @@ pub fn console_device_list_all(mut list: Vec<DeviceItem>) {
     list.sort_by(|t1, t2| t1.status.cmp(&t2.status));
     let mut out_list = Vec::with_capacity(list.len());
     //表头
-    out_list.push(vec![("Name".to_string(), Style::new()),
-                       ("Virtual Ip".to_string(), Style::new()),
-                       ("Status".to_string(), Style::new()),
-                       ("P2P/Relay".to_string(), Style::new()),
-                       ("Rt".to_string(), Style::new()),
-                       ("NAT Type".to_string(), Style::new()),
-                       ("Public Ips".to_string(), Style::new()),
-                       ("Local Ip".to_string(), Style::new())]);
+    out_list.push(vec![
+        ("Name".to_string(), Style::new()),
+        ("Virtual Ip".to_string(), Style::new()),
+        ("Status".to_string(), Style::new()),
+        ("P2P/Relay".to_string(), Style::new()),
+        ("Rt".to_string(), Style::new()),
+        ("NAT Type".to_string(), Style::new()),
+        ("Public Ips".to_string(), Style::new()),
+        ("Local Ip".to_string(), Style::new()),
+    ]);
     for item in list {
         if &item.status == "Online" {
             if &item.nat_traversal_type == "p2p" {
-                out_list.push(vec![(item.name, Style::new().green()),
-                                   (item.virtual_ip, Style::new().green()),
-                                   (item.status, Style::new().green()),
-                                   (item.nat_traversal_type, Style::new().green()),
-                                   (item.rt, Style::new().green()),
-                                   (item.nat_type, Style::new().green()),
-                                   (item.public_ips, Style::new().green()),
-                                   (item.local_ip, Style::new().green())]);
+                out_list.push(vec![
+                    (item.name, Style::new().green()),
+                    (item.virtual_ip, Style::new().green()),
+                    (item.status, Style::new().green()),
+                    (item.nat_traversal_type, Style::new().green()),
+                    (item.rt, Style::new().green()),
+                    (item.nat_type, Style::new().green()),
+                    (item.public_ips, Style::new().green()),
+                    (item.local_ip, Style::new().green()),
+                ]);
             } else {
-                out_list.push(vec![(item.name, Style::new().yellow()),
-                                   (item.virtual_ip, Style::new().yellow()),
-                                   (item.status, Style::new().yellow()),
-                                   (item.nat_traversal_type, Style::new().yellow()),
-                                   (item.rt, Style::new().yellow()),
-                                   (item.nat_type, Style::new().yellow()),
-                                   (item.public_ips, Style::new().yellow()),
-                                   (item.local_ip, Style::new().yellow()), ]);
+                out_list.push(vec![
+                    (item.name, Style::new().yellow()),
+                    (item.virtual_ip, Style::new().yellow()),
+                    (item.status, Style::new().yellow()),
+                    (item.nat_traversal_type, Style::new().yellow()),
+                    (item.rt, Style::new().yellow()),
+                    (item.nat_type, Style::new().yellow()),
+                    (item.public_ips, Style::new().yellow()),
+                    (item.local_ip, Style::new().yellow()),
+                ]);
             }
         } else {
-            out_list.push(vec![(item.name, Style::new().color256(102)),
-                               (item.virtual_ip, Style::new().color256(102)),
-                               (item.status, Style::new().color256(102)),
-                               ("".to_string(), Style::new().color256(102)),
-                               ("".to_string(), Style::new().color256(102)),
-                               ("".to_string(), Style::new().color256(102)),
-                               ("".to_string(), Style::new().color256(102)),
-                               ("".to_string(), Style::new().color256(102)), ]);
+            out_list.push(vec![
+                (item.name, Style::new().color256(102)),
+                (item.virtual_ip, Style::new().color256(102)),
+                (item.status, Style::new().color256(102)),
+                ("".to_string(), Style::new().color256(102)),
+                ("".to_string(), Style::new().color256(102)),
+                ("".to_string(), Style::new().color256(102)),
+                ("".to_string(), Style::new().color256(102)),
+                ("".to_string(), Style::new().color256(102)),
+            ]);
         }
     }
     table::println_table(out_list)
-}
+}

vnt-cli/src/console_out/table.rs

@@ -20,4 +20,4 @@ pub fn println_table(table: Vec<Vec<(String, Style)>>) {
         }
         println!()
     }
-}
+}

vnt-cli/src/main.rs

@@ -21,7 +21,9 @@ mod console_out;
 mod root_check;
 
 pub fn app_home() -> io::Result<PathBuf> {
-    let path = dirs::home_dir().ok_or(io::Error::new(io::ErrorKind::Other, "not home"))?.join(".vnt-cli");
+    let path = dirs::home_dir()
+        .ok_or(io::Error::new(io::ErrorKind::Other, "not home"))?
+        .join(".vnt-cli");
     if !path.exists() {
         std::fs::create_dir_all(&path)?;
     }
@@ -52,7 +54,7 @@ fn main() {
     opts.optopt("", "par", "任务并行度(必须为正整数)", "<parallel>");
     opts.optopt("", "thread", "线程数(必须为正整数)", "<thread>");
     opts.optopt("", "model", "加密模式", "<model>");
-    opts.optflag("", "finger", "指纹校验", );
+    opts.optflag("", "finger", "指纹校验");
     //"后台运行时,查看其他设备列表"
     opts.optflag("", "list", "后台运行时,查看其他设备列表");
     opts.optflag("", "all", "后台运行时,查看其他设备完整信息");
@@ -61,7 +63,7 @@ fn main() {
     opts.optflag("", "stop", "停止后台运行");
     opts.optflag("h", "help", "帮助");
     let matches = match opts.parse(&args[1..]) {
-        Ok(m) => { m }
+        Ok(m) => m,
         Err(f) => {
             print_usage(&program, opts);
             println!("{}", f.to_string());
@@ -123,8 +125,12 @@ fn main() {
         println!("parameter -d not found .");
         return;
     }
-    let name = matches.opt_get_default("n", os_info::get().to_string()).unwrap();
-    let server_address_str = matches.opt_get_default("s", "nat1.wherewego.top:29872".to_string()).unwrap();
+    let name = matches
+        .opt_get_default("n", os_info::get().to_string())
+        .unwrap();
+    let server_address_str = matches
+        .opt_get_default("s", "nat1.wherewego.top:29872".to_string())
+        .unwrap();
     let server_address = match server_address_str.to_socket_addrs() {
         Ok(mut addr) => {
             if let Some(addr) = addr.next() {
@@ -148,7 +154,7 @@ fn main() {
 
     let in_ip = matches.opt_strs("i");
     let in_ip = match ips_parse(&in_ip) {
-        Ok(in_ip) => { in_ip }
+        Ok(in_ip) => in_ip,
         Err(e) => {
             print_usage(&program, opts);
             println!();
@@ -159,7 +165,7 @@ fn main() {
     };
     let out_ip = matches.opt_strs("o");
     let out_ip = match out_ips_parse(&out_ip) {
-        Ok(out_ip) => { out_ip }
+        Ok(out_ip) => out_ip,
         Err(e) => {
             print_usage(&program, opts);
             println!();
@@ -175,9 +181,7 @@ fn main() {
     let mtu: Option<String> = matches.opt_get("u").unwrap();
     let mtu = if let Some(mtu) = mtu {
         match u16::from_str(&mtu) {
-            Ok(mtu) => {
-                Some(mtu)
-            }
+            Ok(mtu) => Some(mtu),
             Err(e) => {
                 print_usage(&program, opts);
                 println!();
@@ -203,21 +207,46 @@ fn main() {
         println!("--par invalid");
         return;
     }
-    let thread_num = matches.opt_get::<usize>("thread").unwrap().unwrap_or(std::thread::available_parallelism().unwrap().get() * 2);
-    let cipher_model = matches.opt_get::<CipherModel>("model").unwrap().unwrap_or(CipherModel::AesGcm);
+    let thread_num = matches
+        .opt_get::<usize>("thread")
+        .unwrap()
+        .unwrap_or(std::thread::available_parallelism().unwrap().get() * 2);
+    let cipher_model = matches
+        .opt_get::<CipherModel>("model")
+        .unwrap()
+        .unwrap_or(CipherModel::AesGcm);
     if thread_num == 0 {
         println!("--thread invalid");
         return;
     }
     let finger = matches.opt_present("finger");
-    println!("version {}",vnt::VNT_VERSION);
-    let config = Config::new(tap,
-                             token, device_id, name,
-                             server_address, server_address_str,
-                             stun_server, in_ip,
-                             out_ip, password, simulate_multicast, mtu,
-                             tcp_channel, virtual_ip, relay, server_encrypt, parallel, cipher_model,finger);
-    let runtime = tokio::runtime::Builder::new_multi_thread().enable_all().worker_threads(thread_num).build().unwrap();
+    println!("version {}", vnt::VNT_VERSION);
+    let config = Config::new(
+        tap,
+        token,
+        device_id,
+        name,
+        server_address,
+        server_address_str,
+        stun_server,
+        in_ip,
+        out_ip,
+        password,
+        simulate_multicast,
+        mtu,
+        tcp_channel,
+        virtual_ip,
+        relay,
+        server_encrypt,
+        parallel,
+        cipher_model,
+        finger,
+    );
+    let runtime = tokio::runtime::Builder::new_multi_thread()
+        .enable_all()
+        .worker_threads(thread_num)
+        .build()
+        .unwrap();
     runtime.block_on(main0(config, !unused_cmd));
     std::process::exit(0);
 }
@@ -264,55 +293,51 @@ async fn main0(config: Config, show_cmd: bool) {
                     Ok(response) => {
                         break response;
                     }
-                    Err(e) => {
-                        match e {
-                            ReqEnum::TokenError => {
-                                println!("token error");
-                                return;
-                            }
-                            ReqEnum::AddressExhausted => {
-                                println!("address exhausted");
-                                return;
-                            }
-                            ReqEnum::Timeout => {
-                                println!("timeout...");
-                            }
-                            ReqEnum::ServerError(str) => {
-                                println!("error:{}", str);
-                            }
-                            ReqEnum::Other(str) => {
-                                println!("error:{}", str);
-                            }
-                            ReqEnum::IpAlreadyExists => {
-                                println!("ip already exists");
-                                return;
-                            }
-                            ReqEnum::InvalidIp => {
-                                println!("invalid ip");
-                                return;
-                            }
+                    Err(e) => match e {
+                        ReqEnum::TokenError => {
+                            println!("token error");
+                            return;
                         }
-                    }
+                        ReqEnum::AddressExhausted => {
+                            println!("address exhausted");
+                            return;
+                        }
+                        ReqEnum::Timeout => {
+                            println!("timeout...");
+                        }
+                        ReqEnum::ServerError(str) => {
+                            println!("error:{}", str);
+                        }
+                        ReqEnum::Other(str) => {
+                            println!("error:{}", str);
+                        }
+                        ReqEnum::IpAlreadyExists => {
+                            println!("ip already exists");
+                            return;
+                        }
+                        ReqEnum::InvalidIp => {
+                            println!("invalid ip");
+                            return;
+                        }
+                    },
                 }
             }
-            Err(e) => {
-                match e {
-                    HandshakeEnum::NotSecret => {
-                        println!("The server does not support encryption");
-                        return;
-                    }
-                    HandshakeEnum::KeyError => {}
-                    HandshakeEnum::Timeout => {
-                        println!("handshake timeout")
-                    }
-                    HandshakeEnum::ServerError(str) => {
-                        println!("error:{}", str);
-                    }
-                    HandshakeEnum::Other(str) => {
-                        println!("error:{}", str);
-                    }
+            Err(e) => match e {
+                HandshakeEnum::NotSecret => {
+                    println!("The server does not support encryption");
+                    return;
                 }
-            }
+                HandshakeEnum::KeyError => {}
+                HandshakeEnum::Timeout => {
+                    println!("handshake timeout")
+                }
+                HandshakeEnum::ServerError(str) => {
+                    println!("error:{}", str);
+                }
+                HandshakeEnum::Other(str) => {
+                    println!("error:{}", str);
+                }
+            },
         }
     };
     println!(" ====== Connect Successfully ====== ");
@@ -323,9 +348,7 @@ async fn main0(config: Config, show_cmd: bool) {
     println!("name:{}", driver_info.name);
     println!("version:{}", driver_info.version);
     let mut vnt = match vnt_util.build().await {
-        Ok(vnt) => {
-            vnt
-        }
+        Ok(vnt) => vnt,
         Err(e) => {
             println!("error:{}", e);
             return;
@@ -343,7 +366,7 @@ async fn main0(config: Config, show_cmd: bool) {
         let mut cmd = String::new();
         let mut reader = BufReader::new(stdin);
         #[cfg(unix)]
-            let mut sigterm = signal(SignalKind::terminate()).expect("Error setting SIGTERM handler");
+        let mut sigterm = signal(SignalKind::terminate()).expect("Error setting SIGTERM handler");
         loop {
             cmd.clear();
             println!("input:list,info,route,all,stop");
@@ -403,20 +426,20 @@ async fn main0(config: Config, show_cmd: bool) {
         }
         #[cfg(unix)]
         tokio::select! {
-                _ = vnt.wait_stop()=>{
-                    return;
-                }
-                _ = signal::ctrl_c()=>{
-                    let _ = vnt.stop();
-                    vnt.wait_stop_ms(std::time::Duration::from_secs(3)).await;
-                    return;
-                }
-                _ = sigterm.recv()=>{
-                    let _ = vnt.stop();
-                    vnt.wait_stop_ms(std::time::Duration::from_secs(3)).await;
-                    return;
-                }
-       }
+                 _ = vnt.wait_stop()=>{
+                     return;
+                 }
+                 _ = signal::ctrl_c()=>{
+                     let _ = vnt.stop();
+                     vnt.wait_stop_ms(std::time::Duration::from_secs(3)).await;
+                     return;
+                 }
+                 _ = sigterm.recv()=>{
+                     let _ = vnt.stop();
+                     vnt.wait_stop_ms(std::time::Duration::from_secs(3)).await;
+                     return;
+                 }
+        }
     }
     vnt.wait_stop().await;
 }
@@ -454,9 +477,12 @@ fn command(cmd: &str, vnt: &Vnt) -> bool {
 
 fn print_usage(program: &str, _opts: Options) {
     println!("Usage: {} [options]", program);
-    println!("version:{}",vnt::VNT_VERSION);
+    println!("version:{}", vnt::VNT_VERSION);
     println!("Options:");
-    println!("  -k <token>          {}", green("必选,使用相同的token,就能组建一个局域网络".to_string()));
+    println!(
+        "  -k <token>          {}",
+        green("必选,使用相同的token,就能组建一个局域网络".to_string())
+    );
     println!("  -n <name>           给设备一个名字,便于区分不同设备,默认使用系统版本");
     println!("  -d <id>             设备唯一标识符,不使用--ip参数时,服务端凭此参数分配虚拟ip");
     println!("  -c                  关闭交互式命令,使用此参数禁用控制台输入");
@@ -478,11 +504,26 @@ fn print_usage(program: &str, _opts: Options) {
     println!("  --model <model>     加密模式(默认aes_gcm)，可选值aes_gcm/aes_cbc/aes_ecb，通常性能aes_ecb>aes_cbc>aes_gcm,安全性则相反");
     println!("  --finger            增加数据指纹校验，可增加安全性，如果服务端开启指纹校验，则客户端也必须开启");
     println!();
-    println!("  --list              {}", yellow("后台运行时,查看其他设备列表".to_string()));
-    println!("  --all               {}", yellow("后台运行时,查看其他设备完整信息".to_string()));
-    println!("  --info              {}", yellow("后台运行时,查看当前设备信息".to_string()));
-    println!("  --route             {}", yellow("后台运行时,查看数据转发路径".to_string()));
-    println!("  --stop              {}", yellow("停止后台运行".to_string()));
+    println!(
+        "  --list              {}",
+        yellow("后台运行时,查看其他设备列表".to_string())
+    );
+    println!(
+        "  --all               {}",
+        yellow("后台运行时,查看其他设备完整信息".to_string())
+    );
+    println!(
+        "  --info              {}",
+        yellow("后台运行时,查看当前设备信息".to_string())
+    );
+    println!(
+        "  --route             {}",
+        yellow("后台运行时,查看数据转发路径".to_string())
+    );
+    println!(
+        "  --stop              {}",
+        yellow("停止后台运行".to_string())
+    );
     println!("  -h, --help          帮助");
 }
 
@@ -493,4 +534,3 @@ fn green(str: String) -> impl std::fmt::Display {
 fn yellow(str: String) -> impl std::fmt::Display {
     style(str).yellow()
 }
-

vnt-cli/src/root_check/mod.rs

@@ -8,4 +8,4 @@ pub use windows::is_app_elevated;
 mod unix;
 
 #[cfg(any(target_os = "linux", target_os = "macos"))]
-pub use unix::is_app_elevated;
+pub use unix::is_app_elevated;

vnt-cli/src/root_check/unix.rs

@@ -1,3 +1,3 @@
 pub fn is_app_elevated() -> bool {
     sudo::RunningAs::Root == sudo::check()
-}
+}

vnt-jni/src/lib.rs

@@ -1,2 +1,2 @@
+pub mod vnt;
 pub mod vnt_util;
-pub mod vnt;

vnt-jni/src/vnt.rs

@@ -1,8 +1,8 @@
-use std::ptr;
 use jni::errors::Error;
-use jni::JNIEnv;
 use jni::objects::{JClass, JObject, JValue};
 use jni::sys::{jboolean, jbyte, jint, jlong, jobject, jobjectArray, jsize};
+use jni::JNIEnv;
+use std::ptr;
 use vnt::channel::Route;
 use vnt::core::sync::VntSync;
 use vnt::handle::PeerDeviceInfo;
@@ -67,7 +67,7 @@ pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_Vnt_list0(
         "top/wherewego/vnt/jni/PeerDeviceInfo",
         JObject::null(),
     ) {
-        Ok(arr) => { arr }
+        Ok(arr) => arr,
         Err(e) => {
             env.throw_new("java/lang/RuntimeException", format!("error:{:?}", e))
                 .expect("throw");
@@ -77,12 +77,8 @@ pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_Vnt_list0(
     for (index, peer) in list.into_iter().enumerate() {
         let route = if let Some(route) = vnt.route(&peer.virtual_ip) {
             match route_parse(&mut env, route) {
-                Ok(route) => {
-                    JObject::from_raw(route)
-                }
-                Err(_) => {
-                    JObject::null()
-                }
+                Ok(route) => JObject::from_raw(route),
+                Err(_) => JObject::null(),
             }
         } else {
             JObject::null()
@@ -115,24 +111,32 @@ fn route_parse(env: &mut JNIEnv, route: Route) -> Result<jobject, Error> {
     let rs = env.new_object(
         "top/wherewego/vnt/jni/Route",
         "(Ljava/lang/String;BI)V",
-        &[JValue::Object(&env.new_string(address)?.into()),
+        &[
+            JValue::Object(&env.new_string(address)?.into()),
             JValue::Byte(metric as jbyte),
-            JValue::Int(rt as jint)],
+            JValue::Int(rt as jint),
+        ],
     )?;
     Ok(rs.as_raw())
 }
 
-fn peer_device_info_parse(env: &mut JNIEnv, peer: PeerDeviceInfo, route: JObject) -> Result<jobject, Error> {
+fn peer_device_info_parse(
+    env: &mut JNIEnv,
+    peer: PeerDeviceInfo,
+    route: JObject,
+) -> Result<jobject, Error> {
     let virtual_ip = u32::from(peer.virtual_ip);
     let name = peer.name.to_string();
     let status = format!("{:?}", peer.status);
     let rs = env.new_object(
         "top/wherewego/vnt/jni/PeerDeviceInfo",
         "(ILjava/lang/String;Ljava/lang/String;Ltop/wherewego/vnt/jni/Route;)V",
-        &[JValue::Int(virtual_ip as jint),
+        &[
+            JValue::Int(virtual_ip as jint),
             JValue::Object(&env.new_string(name)?.into()),
             JValue::Object(&env.new_string(status)?.into()),
-            JValue::Object(&route)],
+            JValue::Object(&route),
+        ],
     )?;
     Ok(rs.as_raw())
-}
+}

vnt-jni/src/vnt_util.rs

@@ -9,13 +9,17 @@ use jni::sys::jboolean;
 use jni::sys::{jint, jlong, jobject};
 use jni::JNIEnv;
 use vnt::cipher::CipherModel;
-use vnt::core::Config;
 use vnt::core::sync::VntUtilSync;
+use vnt::core::Config;
 use vnt::handle::registration_handler::{RegResponse, ReqEnum};
 #[cfg(not(target_os = "android"))]
 use vnt::tun_tap_device::DriverInfo;
 
-fn to_string_not_null(env: &mut JNIEnv, config: &JObject, name: &'static str) -> Result<String, Error> {
+fn to_string_not_null(
+    env: &mut JNIEnv,
+    config: &JObject,
+    name: &'static str,
+) -> Result<String, Error> {
     let value = env.get_field(config, name, "Ljava/lang/String;")?.l()?;
     if value.is_null() {
         env.throw_new("java/lang/NullPointerException", name)
@@ -73,13 +77,16 @@ fn new_sync(env: &mut JNIEnv, config: JObject) -> Result<VntUtilSync, Error> {
             }
         }
         Err(e) => {
-            env.throw_new("java/lang/RuntimeException", format!("server address {}", e))
-                .expect("throw");
+            env.throw_new(
+                "java/lang/RuntimeException",
+                format!("server address {}", e),
+            )
+            .expect("throw");
             return Err(Error::JavaException);
         }
     };
     let cipher_model = match CipherModel::from_str(&cipher_model) {
-        Ok(cipher_model) => {cipher_model}
+        Ok(cipher_model) => cipher_model,
         Err(e) => {
             env.throw_new("java/lang/RuntimeException", format!("cipher_model {}", e))
                 .expect("throw");
@@ -90,20 +97,35 @@ fn new_sync(env: &mut JNIEnv, config: JObject) -> Result<VntUtilSync, Error> {
     for addr in stun_server_str.split(",") {
         stun_server.push(addr.trim().to_string());
     }
-    let config = Config::new(false,
-                             token, device_id, name,
-                             server_address, server_address_str,
-                             stun_server, vec![],
-                             vec![], password,
-                             false, None, tcp, None,
-                             false, false, 1, cipher_model,finger);
+    let config = Config::new(
+        false,
+        token,
+        device_id,
+        name,
+        server_address,
+        server_address_str,
+        stun_server,
+        vec![],
+        vec![],
+        password,
+        false,
+        None,
+        tcp,
+        None,
+        false,
+        false,
+        1,
+        cipher_model,
+        finger,
+    );
     match VntUtilSync::new(config) {
-        Ok(vnt_util) => {
-            Ok(vnt_util)
-        }
+        Ok(vnt_util) => Ok(vnt_util),
         Err(e) => {
-            env.throw_new("java/lang/RuntimeException", format!("vnt start error {}", e))
-                .expect("throw");
+            env.throw_new(
+                "java/lang/RuntimeException",
+                format!("vnt start error {}", e),
+            )
+            .expect("throw");
             return Err(Error::JavaException);
         }
     }
@@ -135,8 +157,11 @@ pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_VntUtil_connect0(
     match (&mut *raw_vnt_util).connect() {
         Ok(_) => {}
         Err(e) => {
-            env.throw_new("java/lang/RuntimeException", format!("vnt connect error {}", e))
-                .expect("throw");
+            env.throw_new(
+                "java/lang/RuntimeException",
+                format!("vnt connect error {}", e),
+            )
+            .expect("throw");
         }
     }
 }
@@ -149,48 +174,66 @@ pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_VntUtil_register0(
 ) -> jobject {
     let raw_vnt_util = raw_vnt_util as *mut VntUtilSync;
     match (&mut *raw_vnt_util).register() {
-        Ok(response) => {
-            match reg_response(&mut env, response) {
-                Ok(res) => {
-                    return res;
-                }
-                Err(e) => {
-                    env.throw(format!("vnt register error {}", e)).expect("throw");
-                }
+        Ok(response) => match reg_response(&mut env, response) {
+            Ok(res) => {
+                return res;
             }
-        }
-        Err(e) => {
-            match e {
-                ReqEnum::TokenError => {
-                    env.throw_new("top/wherewego/vnt/jni/exception/TokenErrorException", "TokenError")
-                        .expect("throw");
-                }
-                ReqEnum::AddressExhausted => {
-                    env.throw_new("top/wherewego/vnt/jni/exception/AddressExhaustedException", "AddressExhausted")
-                        .expect("throw");
-                }
-                ReqEnum::Timeout => {
-                    env.throw_new("top/wherewego/vnt/jni/exception/TimeoutException", "Timeout")
-                        .expect("throw");
-                }
-                ReqEnum::ServerError(str) => {
-                    env.throw_new("java/lang/RuntimeException", format!("vnt register error {}", str))
-                        .expect("throw");
-                }
-                ReqEnum::Other(str) => {
-                    env.throw_new("java/lang/RuntimeException", format!("vnt register error {}", str))
-                        .expect("throw");
-                }
-                ReqEnum::IpAlreadyExists => {
-                    env.throw_new("top/wherewego/vnt/jni/exception/IpAlreadyExistsException", "IpAlreadyExists")
-                        .expect("throw");
-                }
-                ReqEnum::InvalidIp => {
-                    env.throw_new("top/wherewego/vnt/jni/exception/InvalidIpException", "InvalidIp")
-                        .expect("throw");
-                }
+            Err(e) => {
+                env.throw(format!("vnt register error {}", e))
+                    .expect("throw");
             }
-        }
+        },
+        Err(e) => match e {
+            ReqEnum::TokenError => {
+                env.throw_new(
+                    "top/wherewego/vnt/jni/exception/TokenErrorException",
+                    "TokenError",
+                )
+                .expect("throw");
+            }
+            ReqEnum::AddressExhausted => {
+                env.throw_new(
+                    "top/wherewego/vnt/jni/exception/AddressExhaustedException",
+                    "AddressExhausted",
+                )
+                .expect("throw");
+            }
+            ReqEnum::Timeout => {
+                env.throw_new(
+                    "top/wherewego/vnt/jni/exception/TimeoutException",
+                    "Timeout",
+                )
+                .expect("throw");
+            }
+            ReqEnum::ServerError(str) => {
+                env.throw_new(
+                    "java/lang/RuntimeException",
+                    format!("vnt register error {}", str),
+                )
+                .expect("throw");
+            }
+            ReqEnum::Other(str) => {
+                env.throw_new(
+                    "java/lang/RuntimeException",
+                    format!("vnt register error {}", str),
+                )
+                .expect("throw");
+            }
+            ReqEnum::IpAlreadyExists => {
+                env.throw_new(
+                    "top/wherewego/vnt/jni/exception/IpAlreadyExistsException",
+                    "IpAlreadyExists",
+                )
+                .expect("throw");
+            }
+            ReqEnum::InvalidIp => {
+                env.throw_new(
+                    "top/wherewego/vnt/jni/exception/InvalidIpException",
+                    "InvalidIp",
+                )
+                .expect("throw");
+            }
+        },
     }
     return ptr::null_mut();
 }
@@ -218,19 +261,21 @@ pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_VntUtil_createIface0(
     let raw_vnt_util = raw_vnt_util as *mut VntUtilSync;
     let rs = (&mut *raw_vnt_util).create_iface();
     match rs {
-        Ok(driver_info) => {
-            match driver_info_e(&mut env, driver_info) {
-                Ok(res) => {
-                    return res;
-                }
-                Err(e) => {
-                    env.throw(format!("vnt create iface  error {}", e)).expect("throw");
-                }
+        Ok(driver_info) => match driver_info_e(&mut env, driver_info) {
+            Ok(res) => {
+                return res;
             }
-        }
+            Err(e) => {
+                env.throw(format!("vnt create iface  error {}", e))
+                    .expect("throw");
+            }
+        },
         Err(e) => {
-            env.throw_new("java/lang/RuntimeException", format!("vnt create iface error {}", e))
-                .expect("throw");
+            env.throw_new(
+                "java/lang/RuntimeException",
+                format!("vnt create iface error {}", e),
+            )
+            .expect("throw");
         }
     }
     return ptr::null_mut();
@@ -248,8 +293,11 @@ pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_VntUtil_build0(
             return Box::into_raw(Box::new(rs)) as jlong;
         }
         Err(e) => {
-            env.throw_new("java/lang/RuntimeException", format!("vnt start error:{:?}", e))
-                .expect("throw");
+            env.throw_new(
+                "java/lang/RuntimeException",
+                format!("vnt start error:{:?}", e),
+            )
+            .expect("throw");
         }
     }
     return 0;
@@ -262,9 +310,11 @@ fn reg_response(env: &mut JNIEnv, response: RegResponse) -> Result<jobject, Erro
     let response = env.new_object(
         "top/wherewego/vnt/jni/RegResponse",
         "(III)V",
-        &[JValue::Int(virtual_ip as jint),
+        &[
+            JValue::Int(virtual_ip as jint),
             JValue::Int(virtual_gateway as jint),
-            JValue::Int(virtual_netmask as jint)],
+            JValue::Int(virtual_netmask as jint),
+        ],
     )?;
     Ok(response.into_raw())
 }
@@ -278,10 +328,12 @@ fn driver_info_e(env: &mut JNIEnv, driver_info: DriverInfo) -> Result<jobject, E
     let response = env.new_object(
         "top/wherewego/vnt/jni/DriverInfo",
         "(ZLjava/lang/String;Ljava/lang/String;Ljava/lang/String;)V",
-        &[JValue::Bool(is_tun as jboolean),
+        &[
+            JValue::Bool(is_tun as jboolean),
             JValue::Object(&env.new_string(name)?.into()),
             JValue::Object(&env.new_string(version)?.into()),
-            JValue::Object(&env.new_string(mac)?.into()), ],
+            JValue::Object(&env.new_string(mac)?.into()),
+        ],
     )?;
     Ok(response.into_raw())
 }

vnt/packet/src/arp/arp.rs

@@ -3,12 +3,12 @@ use std::{fmt, io};
 /// 地址解析协议，由IP地址找到MAC地址
 /// https://www.ietf.org/rfc/rfc6747.txt
 /*
-   0      2       4         5          6      8      10  (字节)
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  | 硬件类型|协议类型|硬件地址长度|协议地址长度|操作类型|
-  |          源MAC地址                  |    源ip地址    |
-  |          目的MAC地址                 |   目的ip地址   |
- */
+  0      2       4         5          6      8      10  (字节)
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | 硬件类型|协议类型|硬件地址长度|协议地址长度|操作类型|
+ |          源MAC地址                  |    源ip地址    |
+ |          目的MAC地址                 |   目的ip地址   |
+*/
 
 pub struct ArpPacket<B> {
     buffer: B,
@@ -119,4 +119,4 @@ impl<B: AsRef<[u8]>> fmt::Debug for ArpPacket<B> {
             .field("target_protocol_addr", &self.target_protocol_addr())
             .finish()
     }
-}
+}

vnt/packet/src/arp/mod.rs

@@ -1 +1 @@
-pub mod arp;
+pub mod arp;

vnt/packet/src/ethernet/mod.rs

@@ -1,2 +1,2 @@
 pub mod packet;
-pub mod protocol;
+pub mod protocol;

vnt/packet/src/ethernet/packet.rs

@@ -1,13 +1,13 @@
-use std::{fmt, io};
 use crate::ethernet::protocol::Protocol;
+use std::{fmt, io};
 
 /// 以太网帧协议
 /// https://www.ietf.org/rfc/rfc894.txt
 /*
-   0                      6                      12    14 (字节)
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |        目的地址         |         源地址         | 类型 |
- */
+  0                      6                      12    14 (字节)
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |        目的地址         |         源地址         | 类型 |
+*/
 pub struct EthernetPacket<B> {
     pub buffer: B,
 }
@@ -74,4 +74,4 @@ impl<B: AsRef<[u8]>> fmt::Debug for EthernetPacket<B> {
             .field("payload", &self.payload())
             .finish()
     }
-}
+}

vnt/packet/src/ethernet/protocol.rs

@@ -102,7 +102,7 @@ impl From<u16> for Protocol {
             0x88f7 => Ptp,
             0x8902 => Cfm,
             0x9100 => QinQ,
-            n      => Unknown(n),
+            n => Unknown(n),
         }
     }
 }
@@ -112,30 +112,30 @@ impl Into<u16> for Protocol {
         use self::Protocol::*;
 
         match self {
-            Ipv4           => 0x0800,
-            Arp            => 0x0806,
-            WakeOnLan      => 0x0842,
-            Trill          => 0x22f3,
-            DecNet         => 0x6003,
-            Rarp           => 0x8035,
-            AppleTalk      => 0x809b,
-            Aarp           => 0x80f3,
-            Ipx            => 0x8137,
-            Qnx            => 0x8204,
-            Ipv6           => 0x86dd,
-            FlowControl    => 0x8808,
-            CobraNet       => 0x8819,
-            Mpls           => 0x8847,
-            MplsMulticast  => 0x8848,
+            Ipv4 => 0x0800,
+            Arp => 0x0806,
+            WakeOnLan => 0x0842,
+            Trill => 0x22f3,
+            DecNet => 0x6003,
+            Rarp => 0x8035,
+            AppleTalk => 0x809b,
+            Aarp => 0x80f3,
+            Ipx => 0x8137,
+            Qnx => 0x8204,
+            Ipv6 => 0x86dd,
+            FlowControl => 0x8808,
+            CobraNet => 0x8819,
+            Mpls => 0x8847,
+            MplsMulticast => 0x8848,
             PppoeDiscovery => 0x8863,
-            PppoeSession   => 0x8864,
-            Vlan           => 0x8100,
-            PBridge        => 0x88a8,
-            Lldp           => 0x88cc,
-            Ptp            => 0x88f7,
-            Cfm            => 0x8902,
-            QinQ           => 0x9100,
-            Unknown(n)     => n,
+            PppoeSession => 0x8864,
+            Vlan => 0x8100,
+            PBridge => 0x88a8,
+            Lldp => 0x88cc,
+            Ptp => 0x88f7,
+            Cfm => 0x8902,
+            QinQ => 0x9100,
+            Unknown(n) => n,
         }
     }
 }

vnt/packet/src/icmp/icmp.rs

@@ -1,8 +1,8 @@
-use std::{fmt, io};
-use byteorder::{BigEndian, ReadBytesExt};
 use crate::cal_checksum;
 use crate::icmp::{Code, Kind};
 use crate::ip::ipv4::packet::IpV4Packet;
+use byteorder::{BigEndian, ReadBytesExt};
+use std::{fmt, io};
 
 /// icmp 协议
 /*  https://www.rfc-editor.org/rfc/rfc792
@@ -67,7 +67,7 @@ impl<B: AsRef<[u8]>> IcmpPacket<B> {
             | Kind::TimestampReply
             | Kind::InformationRequest
             | Kind::InformationReply => {
-                let ide =u16::from_be_bytes(self.buffer.as_ref()[4..6].try_into().unwrap());
+                let ide = u16::from_be_bytes(self.buffer.as_ref()[4..6].try_into().unwrap());
                 let seq = u16::from_be_bytes(self.buffer.as_ref()[6..8].try_into().unwrap());
                 HeaderOther::Identifier(ide, seq)
             }
@@ -121,11 +121,11 @@ impl<B: AsRef<[u8]>> fmt::Debug for IcmpPacket<B> {
         } else {
             "icmp::Packet!"
         })
-            .field("kind", &self.kind())
-            .field("code", &self.code())
-            .field("checksum", &self.checksum())
-            .field("payload", &self.payload())
-            .finish()
+        .field("kind", &self.kind())
+        .field("code", &self.code())
+        .field("checksum", &self.checksum())
+        .field("payload", &self.payload())
+        .finish()
     }
 }
 

vnt/packet/src/igmp/igmp_v1.rs

@@ -1,17 +1,17 @@
-use std::{fmt, io};
-use std::net::Ipv4Addr;
 use crate::cal_checksum;
+use std::net::Ipv4Addr;
+use std::{fmt, io};
 
 /// igmp v1
 /* https://datatracker.ietf.org/doc/html/rfc1112
-       0                   1                   2                   3
-       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
-      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-      |Version| Type  |    Unused     |           Checksum            |
-      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-      |                         Group Address                         |
-      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
+      0                   1                   2                   3
+      0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+     |Version| Type  |    Unused     |           Checksum            |
+     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+     |                         Group Address                         |
+     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
 /// v1版本的报文
 pub struct IgmpV1Packet<B> {
     pub buffer: B,
@@ -43,7 +43,7 @@ impl Into<u8> for IgmpV1Type {
         match self {
             IgmpV1Type::Query => 0x11,
             IgmpV1Type::ReportV1 => 0x12,
-            IgmpV1Type::Unknown(v) => v
+            IgmpV1Type::Unknown(v) => v,
         }
     }
 }
@@ -114,4 +114,4 @@ impl<B: AsRef<[u8]>> fmt::Debug for IgmpV1Packet<B> {
             .field("group_address", &self.group_address())
             .finish()
     }
-}
+}

vnt/packet/src/igmp/igmp_v2.rs

@@ -1,18 +1,18 @@
-use std::{fmt, io};
-use std::net::Ipv4Addr;
 use crate::cal_checksum;
+use std::net::Ipv4Addr;
+use std::{fmt, io};
 
 /// igmp v2
 /* https://www.rfc-editor.org/rfc/rfc2236.html
 
-    0                   1                   2                   3
-    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
-   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-   |      Type     | Max Resp Time |           Checksum            |
-   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-   |                         Group Address                         |
-   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
+   0                   1                   2                   3
+   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+  |      Type     | Max Resp Time |           Checksum            |
+  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+  |                         Group Address                         |
+  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
 
 /// v2版本的报文
 pub struct IgmpV2Packet<B> {
@@ -48,7 +48,7 @@ impl Into<u8> for IgmpV2Type {
             IgmpV2Type::Query => 0x11,
             IgmpV2Type::ReportV2 => 0x16,
             IgmpV2Type::LeaveV2 => 0x17,
-            IgmpV2Type::Unknown(v) => v
+            IgmpV2Type::Unknown(v) => v,
         }
     }
 }

vnt/packet/src/igmp/igmp_v3.rs

@@ -1,5 +1,5 @@
-use std::{fmt, io};
 use std::net::Ipv4Addr;
+use std::{fmt, io};
 
 use crate::cal_checksum;
 
@@ -116,7 +116,7 @@ impl Into<u8> for IgmpV3Type {
         match self {
             IgmpV3Type::Query => 0x11,
             IgmpV3Type::ReportV3 => 0x22,
-            IgmpV3Type::Unknown(v) => v
+            IgmpV3Type::Unknown(v) => v,
         }
     }
 }
@@ -203,7 +203,7 @@ impl<B: AsRef<[u8]> + AsMut<[u8]>> IgmpV3QueryPacket<B> {
         self.buffer.as_mut()[2..4].copy_from_slice(&checksum.to_be_bytes())
     }
     pub fn set_qrv(&mut self, qrv: u8) {
-        self.buffer.as_mut()[8] = (self.buffer.as_ref()[8]&(!0x07)) | (qrv & 0x07)
+        self.buffer.as_mut()[8] = (self.buffer.as_ref()[8] & (!0x07)) | (qrv & 0x07)
     }
     pub fn set_qqic(&mut self, qqic: u8) {
         self.buffer.as_mut()[9] = qqic
@@ -349,7 +349,10 @@ impl<B: AsRef<[u8]>> IgmpV3ReportPacket<B> {
                     return None;
                 }
                 if let Ok(record) = IgmpV3RecordPacket::new(&buf[start..]) {
-                    let end = start + 8 + record.aux_data_len() as usize * 4 + record.source_number() as usize * 4;
+                    let end = start
+                        + 8
+                        + record.aux_data_len() as usize * 4
+                        + record.source_number() as usize * 4;
                     if end > len {
                         return None;
                     }
@@ -364,7 +367,6 @@ impl<B: AsRef<[u8]>> IgmpV3ReportPacket<B> {
     }
 }
 
-
 /// group record
 pub struct IgmpV3RecordPacket<B> {
     pub buffer: B,
@@ -488,4 +490,4 @@ impl<B: AsRef<[u8]>> fmt::Debug for IgmpV3RecordPacket<B> {
             .field("auxiliary_data", &self.auxiliary_data())
             .finish()
     }
-}
+}

vnt/packet/src/igmp/mod.rs

@@ -2,7 +2,7 @@ pub mod igmp_v1;
 pub mod igmp_v2;
 pub mod igmp_v3;
 
-#[derive(Debug,Copy, Clone,Eq, PartialEq)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
 pub enum IgmpType {
     /// 0x11 所有组224.0.0.1或者特定组
     Query,
@@ -40,7 +40,7 @@ impl Into<u8> for IgmpType {
             IgmpType::ReportV2 => 0x16,
             IgmpType::ReportV3 => 0x22,
             IgmpType::LeaveV2 => 0x17,
-            IgmpType::Unknown(v) => v
+            IgmpType::Unknown(v) => v,
         }
     }
-}
+}

vnt/packet/src/ip/ipv4/packet.rs

@@ -1,6 +1,5 @@
-use std::{fmt, io};
 use std::net::Ipv4Addr;
-
+use std::{fmt, io};
 
 use crate::cal_checksum;
 use crate::ip::ipv4::protocol::Protocol;

vnt/packet/src/ip/ipv4/protocol.rs

@@ -1,4 +1,4 @@
-#[derive(Eq, PartialEq,Ord, PartialOrd, Copy, Clone, Debug)]
+#[derive(Eq, PartialEq, Ord, PartialOrd, Copy, Clone, Debug)]
 pub enum Protocol {
     ///
     Hopopt,

vnt/packet/src/ip/mod.rs

@@ -1,5 +1,5 @@
-use std::io;
 use ipv4::packet::IpV4Packet;
+use std::io;
 
 pub mod ipv4;
 

vnt/packet/src/lib.rs

@@ -3,13 +3,13 @@ use std::net::Ipv4Addr;
 use byteorder::BigEndian;
 use byteorder::ReadBytesExt;
 
+pub mod arp;
+pub mod ethernet;
 pub mod icmp;
 pub mod igmp;
 pub mod ip;
 pub mod tcp;
 pub mod udp;
-pub mod ethernet;
-pub mod arp;
 // pub enum IpUpperLayer<B> {
 //     UDP(UdpPacket<B>),
 //     Unknown(B),

vnt/packet/src/tcp/tcp.rs

@@ -1,5 +1,5 @@
-use std::{fmt, io};
 use std::net::Ipv4Addr;
+use std::{fmt, io};
 
 use crate::tcp::Flags;
 
@@ -58,7 +58,11 @@ impl<B: AsRef<[u8]>> TcpPacket<B> {
             buffer,
         }
     }
-    pub fn new(source_ip: Ipv4Addr, destination_ip: Ipv4Addr, buffer: B) -> io::Result<TcpPacket<B>> {
+    pub fn new(
+        source_ip: Ipv4Addr,
+        destination_ip: Ipv4Addr,
+        buffer: B,
+    ) -> io::Result<TcpPacket<B>> {
         let packet = TcpPacket::unchecked(source_ip, destination_ip, buffer);
 
         if packet.buffer.as_ref().len() < 20 {

vnt/packet/src/udp/udp.rs

@@ -1,5 +1,5 @@
-use std::{fmt, io};
 use std::net::Ipv4Addr;
+use std::{fmt, io};
 
 /// udp协议
 ///
@@ -60,7 +60,11 @@ impl<B: AsRef<[u8]>> UdpPacket<B> {
             buffer,
         }
     }
-    pub fn new(source_ip: Ipv4Addr, destination_ip: Ipv4Addr, buffer: B) -> io::Result<UdpPacket<B>> {
+    pub fn new(
+        source_ip: Ipv4Addr,
+        destination_ip: Ipv4Addr,
+        buffer: B,
+    ) -> io::Result<UdpPacket<B>> {
         if buffer.as_ref().len() < 8 {
             Err(io::Error::from(io::ErrorKind::InvalidData))?;
         }

vnt/rust-tun/src/device.rs

@@ -19,7 +19,7 @@ use crate::error::*;
 
 /// A TUN device.
 pub trait Device {
-    type Queue ;
+    type Queue;
 
     /// Reconfigure the device.
     fn configure(&mut self, config: &Configuration) -> Result<()> {

vnt/rust-tun/src/platform/linux/device.rs

@@ -77,10 +77,10 @@ impl Device {
 
             req.ifru.flags = device_type
                 | if config.platform.packet_information {
-                0
-            } else {
-                IFF_NO_PI
-            }
+                    0
+                } else {
+                    IFF_NO_PI
+                }
                 | if queues_num > 1 { IFF_MULTI_QUEUE } else { 0 };
 
             for _ in 0..queues_num {

vnt/rust-tun/src/platform/macos/device.rs

@@ -22,7 +22,7 @@ use std::ptr;
 use std::sync::Arc;
 
 use libc;
-use libc::{AF_INET, c_char, c_uint, c_void, SOCK_DGRAM, sockaddr, socklen_t};
+use libc::{c_char, c_uint, c_void, sockaddr, socklen_t, AF_INET, SOCK_DGRAM};
 
 use crate::configuration::{Configuration, Layer};
 use crate::device::Device as D;

vnt/rust-tun/src/platform/mod.rs

@@ -27,7 +27,6 @@ pub mod macos;
 #[cfg(target_os = "macos")]
 pub use self::macos::{create, Configuration, Device, Queue};
 
-
 #[cfg(test)]
 mod test {
     use crate::configuration::Configuration;

vnt/rust-tun/src/platform/posix/split.rs

@@ -14,7 +14,7 @@
 
 use std::io;
 use std::mem;
-use std::os::unix::io::{AsRawFd,RawFd};
+use std::os::unix::io::{AsRawFd, RawFd};
 use std::sync::Arc;
 
 use crate::platform::posix::Fd;
@@ -72,7 +72,6 @@ impl Writer {
         }
     }
 
-
     pub fn write_vectored(&self, bufs: &[io::IoSlice<'_>]) -> io::Result<usize> {
         unsafe {
             let mut msg: libc::msghdr = mem::zeroed();

vnt/src/channel/channel.rs

@@ -7,15 +7,15 @@ use byte_pool::{Block, BytePool};
 use crossbeam_utils::atomic::AtomicCell;
 use dashmap::DashMap;
 use tokio::io::{AsyncReadExt, AsyncWriteExt};
-use tokio::net::{TcpStream, UdpSocket};
 use tokio::net::tcp::OwnedReadHalf;
+use tokio::net::{TcpStream, UdpSocket};
 use tokio::sync::watch::{channel, Receiver, Sender};
 
-use crate::channel::{Route, RouteKey, Status};
 use crate::channel::punch::NatType;
+use crate::channel::{Route, RouteKey, Status};
 use crate::core::status::VntWorker;
-use crate::handle::CurrentDeviceInfo;
 use crate::handle::recv_handler::ChannelDataHandler;
+use crate::handle::CurrentDeviceInfo;
 
 lazy_static::lazy_static! {
     static ref POOL:BytePool = BytePool::new();
@@ -41,7 +41,13 @@ pub struct Context {
 }
 
 impl Context {
-    pub fn new(main_channel: Arc<UdpSocket>, main_channel_ipv6: Option<Arc<UdpSocket>>, main_tcp_channel: Option<tokio::sync::mpsc::Sender<Vec<u8>>>, current_device: Arc<AtomicCell<CurrentDeviceInfo>>, _channel_num: usize) -> Self {
+    pub fn new(
+        main_channel: Arc<UdpSocket>,
+        main_channel_ipv6: Option<Arc<UdpSocket>>,
+        main_tcp_channel: Option<tokio::sync::mpsc::Sender<Vec<u8>>>,
+        current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+        _channel_num: usize,
+    ) -> Self {
         //当前版本只支持一个通道
         let channel_num = 1;
         let (status_sender, status_receiver) = channel(Status::Cone);
@@ -57,9 +63,7 @@ impl Context {
             channel_num,
             current_device,
         });
-        Self {
-            inner
-        }
+        Self { inner }
     }
 }
 
@@ -96,9 +100,9 @@ impl Context {
         self.inner.main_channel.local_addr().map(|k| k.port())
     }
     pub fn main_local_ipv6_port(&self) -> io::Result<u16> {
-        if let Some(ipv6) = &self.inner.main_channel_ipv6{
+        if let Some(ipv6) = &self.inner.main_channel_ipv6 {
             ipv6.local_addr().map(|k| k.port())
-        }else{
+        } else {
             Err(io::Error::new(io::ErrorKind::Other, "not ipv6"))
         }
     }
@@ -172,7 +176,7 @@ impl Context {
                     }
                 }
             }
-            return self.send_by_key(buf,&route.route_key()).await;
+            return self.send_by_key(buf, &route.route_key()).await;
         }
         Err(io::Error::new(io::ErrorKind::NotFound, "route not found"))
     }
@@ -234,7 +238,11 @@ impl Context {
     }
     fn add_route_(&self, id: Ipv4Addr, route: Route, only_if_absent: bool) {
         let key = route.route_key();
-        let mut list = self.inner.route_table.entry(id).or_insert_with(|| Vec::with_capacity(4));
+        let mut list = self
+            .inner
+            .route_table
+            .entry(id)
+            .or_insert_with(|| Vec::with_capacity(4));
         let mut exist = false;
         for x in list.iter_mut() {
             if x.metric < route.metric {
@@ -265,7 +273,9 @@ impl Context {
                 list.truncate(max_len);
             }
         }
-        self.inner.route_table_time.insert((key, id), Instant::now());
+        self.inner
+            .route_table_time
+            .insert((key, id), Instant::now());
     }
     pub fn route(&self, id: &Ipv4Addr) -> Option<Vec<Route>> {
         if let Some(v) = self.inner.route_table.get(id) {
@@ -300,7 +310,11 @@ impl Context {
         true
     }
     pub fn route_table(&self) -> Vec<(Ipv4Addr, Vec<Route>)> {
-        self.inner.route_table.iter().map(|k| (k.key().clone(), k.value().clone())).collect()
+        self.inner
+            .route_table
+            .iter()
+            .map(|k| (k.key().clone(), k.value().clone()))
+            .collect()
     }
     pub fn route_table_one(&self) -> Vec<(Ipv4Addr, Route)> {
         let mut v = Vec::with_capacity(8);
@@ -351,17 +365,16 @@ pub struct Channel {
 }
 
 impl Channel {
-    pub fn new(context: Context,
-               handler: ChannelDataHandler, ) -> Self {
-        Self {
-            context,
-            handler,
-        }
+    pub fn new(context: Context, handler: ChannelDataHandler) -> Self {
+        Self { context, handler }
     }
 }
 
 #[derive(Clone)]
-struct BufSenderGroup(usize, Vec<tokio::sync::mpsc::Sender<(Block<'static>, usize, usize, RouteKey)>>);
+struct BufSenderGroup(
+    usize,
+    Vec<tokio::sync::mpsc::Sender<(Block<'static>, usize, usize, RouteKey)>>,
+);
 
 struct BufReceiverGroup(Vec<tokio::sync::mpsc::Receiver<(Block<'static>, usize, usize, RouteKey)>>);
 
@@ -377,15 +390,23 @@ fn buf_channel_group(size: usize) -> (BufSenderGroup, BufReceiverGroup) {
     let mut buf_sender_group = Vec::with_capacity(size);
     let mut buf_receiver_group = Vec::with_capacity(size);
     for _ in 0..size {
-        let (buf_sender, buf_receiver) = tokio::sync::mpsc::channel::<(Block<'static, Vec<u8>>, usize, usize, RouteKey)>(10);
+        let (buf_sender, buf_receiver) =
+            tokio::sync::mpsc::channel::<(Block<'static, Vec<u8>>, usize, usize, RouteKey)>(10);
         buf_sender_group.push(buf_sender);
         buf_receiver_group.push(buf_receiver);
     }
-    (BufSenderGroup(0, buf_sender_group), BufReceiverGroup(buf_receiver_group))
+    (
+        BufSenderGroup(0, buf_sender_group),
+        BufReceiverGroup(buf_receiver_group),
+    )
 }
 
 impl Channel {
-    async fn tcp_handle(mut tcp_r: OwnedReadHalf, mut buf_sender: BufSenderGroup, head_reserve: usize) -> io::Result<()> {
+    async fn tcp_handle(
+        mut tcp_r: OwnedReadHalf,
+        mut buf_sender: BufSenderGroup,
+        head_reserve: usize,
+    ) -> io::Result<()> {
         let mut head = [0; 4];
         let addr = tcp_r.peer_addr()?;
         let key = RouteKey::new(0, addr);
@@ -399,21 +420,34 @@ impl Channel {
                     "length overflow",
                 ));
             }
-            tcp_r.read_exact(&mut buf[head_reserve..head_reserve + len]).await?;
-            if !buf_sender.send((buf, head_reserve, head_reserve + len, key)).await {
-                return Err(io::Error::new(io::ErrorKind::Other, "buf_sender发送数据失败"));
+            tcp_r
+                .read_exact(&mut buf[head_reserve..head_reserve + len])
+                .await?;
+            if !buf_sender
+                .send((buf, head_reserve, head_reserve + len, key))
+                .await
+            {
+                return Err(io::Error::new(
+                    io::ErrorKind::Other,
+                    "buf_sender发送数据失败",
+                ));
             }
         }
     }
-    async fn start_tcp(mut worker: VntWorker, tcp_stream: TcpStream, mut receiver: tokio::sync::mpsc::Receiver<Vec<u8>>,
-                       current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-                       buf_sender: BufSenderGroup, head_reserve: usize) {
+    async fn start_tcp(
+        mut worker: VntWorker,
+        tcp_stream: TcpStream,
+        mut receiver: tokio::sync::mpsc::Receiver<Vec<u8>>,
+        current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+        buf_sender: BufSenderGroup,
+        head_reserve: usize,
+    ) {
         let (tcp_r, mut tcp_w) = tcp_stream.into_split();
         {
             let buf_sender = buf_sender.clone();
             tokio::spawn(async move {
                 if let Err(e) = Self::tcp_handle(tcp_r, buf_sender, head_reserve).await {
-                    log::info!("tcp链接断开:{:?}",e);
+                    log::info!("tcp链接断开:{:?}", e);
                 }
             });
         }
@@ -463,13 +497,14 @@ impl Channel {
         worker.stop_all();
     }
 
-    pub async fn start(self,
-                       mut worker: VntWorker,
-                       tcp: Option<(TcpStream, tokio::sync::mpsc::Receiver<Vec<u8>>)>,
-                       head_reserve: usize,//头部预留字节
-                       symmetric_channel_num: usize,//对称网络，则再加一组监听，提升打洞成功率
-                       relay: bool,
-                       parallel: usize,
+    pub async fn start(
+        self,
+        mut worker: VntWorker,
+        tcp: Option<(TcpStream, tokio::sync::mpsc::Receiver<Vec<u8>>)>,
+        head_reserve: usize,          //头部预留字节
+        symmetric_channel_num: usize, //对称网络，则再加一组监听，提升打洞成功率
+        relay: bool,
+        parallel: usize,
     ) {
         let handler = self.handler.clone();
         let context = self.context;
@@ -481,7 +516,9 @@ impl Channel {
                 let handler = handler.clone();
                 tokio::spawn(async move {
                     while let Some((mut buf, start, end, route_key)) = buf_receiver.recv().await {
-                        handler.handle(&mut buf, start, end, route_key, &context).await;
+                        handler
+                            .handle(&mut buf, start, end, route_key, &context)
+                            .await;
                     }
                 });
             }
@@ -490,12 +527,35 @@ impl Channel {
             None
         };
         if let Some((tcp_stream, receiver)) = tcp {
-            tokio::spawn(Self::start_tcp(worker.worker("main_channel_tcp"), tcp_stream, receiver, context.inner.current_device.clone(), buf_sender.clone().unwrap(), head_reserve));
+            tokio::spawn(Self::start_tcp(
+                worker.worker("main_channel_tcp"),
+                tcp_stream,
+                receiver,
+                context.inner.current_device.clone(),
+                buf_sender.clone().unwrap(),
+                head_reserve,
+            ));
         }
         if let Some(main_channel_ipv6) = &context.inner.main_channel_ipv6 {
-            tokio::spawn(Self::start_(worker.worker("main_channel_ipv6"), context.clone(), main_channel_ipv6.clone(), handler.clone(), buf_sender.clone(), head_reserve, true));
+            tokio::spawn(Self::start_(
+                worker.worker("main_channel_ipv6"),
+                context.clone(),
+                main_channel_ipv6.clone(),
+                handler.clone(),
+                buf_sender.clone(),
+                head_reserve,
+                true,
+            ));
         }
-        tokio::spawn(Self::start_(worker.worker("main_channel_1"), context.clone(), main_channel.clone(), handler.clone(), buf_sender.clone(), head_reserve, true));
+        tokio::spawn(Self::start_(
+            worker.worker("main_channel_1"),
+            context.clone(),
+            main_channel.clone(),
+            handler.clone(),
+            buf_sender.clone(),
+            head_reserve,
+            true,
+        ));
         if relay {
             worker.stop_wait().await;
             return;
@@ -547,21 +607,24 @@ impl Channel {
         }
         worker.stop_all();
     }
-    async fn start_(mut worker: VntWorker, context: Context,
-                    udp: Arc<UdpSocket>,
-                    handler: ChannelDataHandler,
-                    buf_sender: Option<BufSenderGroup>,
-                    head_reserve: usize,
-                    is_core: bool) {
+    async fn start_(
+        mut worker: VntWorker,
+        context: Context,
+        udp: Arc<UdpSocket>,
+        handler: ChannelDataHandler,
+        buf_sender: Option<BufSenderGroup>,
+        head_reserve: usize,
+        is_core: bool,
+    ) {
         let mut status_receiver = context.inner.status_receiver.clone();
         #[cfg(target_os = "windows")]
         use std::os::windows::io::AsRawSocket;
         #[cfg(target_os = "windows")]
-            let id = 1 + udp.as_raw_socket() as usize;
+        let id = 1 + udp.as_raw_socket() as usize;
         #[cfg(any(unix))]
         use std::os::fd::AsRawFd;
         #[cfg(any(unix))]
-            let id = 1 + udp.as_raw_fd() as usize;
+        let id = 1 + udp.as_raw_fd() as usize;
         context.inner.udp_map.insert(id, udp.clone());
         match buf_sender {
             None => {
@@ -604,49 +667,47 @@ impl Channel {
                     }
                 }
             }
-            Some(mut buf_sender) => {
-                loop {
-                    let mut buf = POOL.alloc(4096);
-                    tokio::select! {
-                        rs=udp.recv_from(&mut buf[head_reserve..])=>{
-                             match rs {
-                                Ok((len, addr)) => {
-                                    if !buf_sender.send((buf,head_reserve,head_reserve+len,RouteKey::new(id, addr))).await{
-                                         log::error!("udp buf_sender发送数据失败");
-                                         break;
-                                    }
-                                }
-                                Err(e) => {
-                                    log::error!("{:?}",e)
+            Some(mut buf_sender) => loop {
+                let mut buf = POOL.alloc(4096);
+                tokio::select! {
+                    rs=udp.recv_from(&mut buf[head_reserve..])=>{
+                         match rs {
+                            Ok((len, addr)) => {
+                                if !buf_sender.send((buf,head_reserve,head_reserve+len,RouteKey::new(id, addr))).await{
+                                     log::error!("udp buf_sender发送数据失败");
+                                     break;
                                 }
                             }
-                        }
-                        changed=status_receiver.changed()=>{
-                                match changed {
-                                    Ok(_) => {
-                                        match *status_receiver.borrow() {
-                                            Status::Cone => {
-                                                if !is_core{
-                                                    break;
-                                                }
-                                            }
-                                            Status::Close=>{
-                                                break;
-                                            }
-                                            Status::Symmetric => {}
-                                        }
-                                    }
-                                    Err(_) => {
-                                        break;
-                                    }
-                                }
-                        }
-                        _=worker.stop_wait()=>{
-                            break;
+                            Err(e) => {
+                                log::error!("{:?}",e)
+                            }
                         }
                     }
+                    changed=status_receiver.changed()=>{
+                            match changed {
+                                Ok(_) => {
+                                    match *status_receiver.borrow() {
+                                        Status::Cone => {
+                                            if !is_core{
+                                                break;
+                                            }
+                                        }
+                                        Status::Close=>{
+                                            break;
+                                        }
+                                        Status::Symmetric => {}
+                                    }
+                                }
+                                Err(_) => {
+                                    break;
+                                }
+                            }
+                    }
+                    _=worker.stop_wait()=>{
+                        break;
+                    }
                 }
-            }
+            },
         }
         context.inner.udp_map.remove(&id);
         if is_core {

vnt/src/channel/idle.rs

@@ -1,10 +1,9 @@
+use crate::channel::channel::Context;
+use crate::channel::RouteKey;
 use std::io;
 use std::io::{Error, ErrorKind};
 use std::net::Ipv4Addr;
 use std::time::Duration;
-use crate::channel::channel::Context;
-use crate::channel::RouteKey;
-
 
 pub struct Idle {
     read_idle: Duration,
@@ -12,12 +11,8 @@ pub struct Idle {
 }
 
 impl Idle {
-    pub fn new(read_idle: Duration,
-               context: Context, ) -> Self {
-        Self {
-            read_idle,
-            context,
-        }
+    pub fn new(read_idle: Duration, context: Context) -> Self {
+        Self { read_idle, context }
     }
 }
 
@@ -45,4 +40,4 @@ impl Idle {
             }
         }
     }
-}
+}

vnt/src/channel/mod.rs

@@ -1,8 +1,8 @@
 use std::net::SocketAddr;
 
 pub mod channel;
-pub mod punch;
 pub mod idle;
+pub mod punch;
 pub mod sender;
 
 #[derive(Copy, Clone, Eq, PartialEq)]
@@ -27,8 +27,7 @@ pub struct RouteSortKey {
 }
 
 impl Route {
-    pub fn new(index: usize,
-               addr: SocketAddr, metric: u8, rt: i64, ) -> Self {
+    pub fn new(index: usize, addr: SocketAddr, metric: u8, rt: i64) -> Self {
         Self {
             index,
             addr,
@@ -68,11 +67,7 @@ pub struct RouteKey {
 }
 
 impl RouteKey {
-    pub(crate) fn new(index: usize,
-                      addr: SocketAddr, ) -> Self {
-        Self {
-            index,
-            addr,
-        }
+    pub(crate) fn new(index: usize, addr: SocketAddr) -> Self {
+        Self { index, addr }
     }
-}
+}

vnt/src/channel/punch.rs

@@ -24,15 +24,15 @@ pub enum NatType {
 }
 
 impl NatInfo {
-    pub fn new(mut public_ips: Vec<Ipv4Addr>,
-               public_port: u16,
-               public_port_range: u16,
-               local_ipv4_addr: SocketAddrV4,
-               ipv6_addr: SocketAddrV6,
-               nat_type: NatType, ) -> Self {
-        public_ips.retain(|ip| {
-            !ip.is_loopback() && !ip.is_private()
-        });
+    pub fn new(
+        mut public_ips: Vec<Ipv4Addr>,
+        public_port: u16,
+        public_port_range: u16,
+        local_ipv4_addr: SocketAddrV4,
+        ipv6_addr: SocketAddrV6,
+        nat_type: NatType,
+    ) -> Self {
+        public_ips.retain(|ip| !ip.is_loopback() && !ip.is_private());
         Self {
             public_ips,
             public_port,
@@ -71,10 +71,16 @@ impl Punch {
             return Ok(());
         }
         if !nat_info.local_ipv4_addr.ip().is_unspecified() && nat_info.local_ipv4_addr.port() != 0 {
-            let _ = self.context.send_main_udp(buf, SocketAddr::V4(nat_info.local_ipv4_addr)).await;
+            let _ = self
+                .context
+                .send_main_udp(buf, SocketAddr::V4(nat_info.local_ipv4_addr))
+                .await;
         }
         if !nat_info.ipv6_addr.ip().is_unspecified() && nat_info.ipv6_addr.port() != 0 {
-            let _ = self.context.send_main_udp(buf, SocketAddr::V6(nat_info.ipv6_addr)).await;
+            let _ = self
+                .context
+                .send_main_udp(buf, SocketAddr::V6(nat_info.ipv6_addr))
+                .await;
         }
         match nat_info.nat_type {
             NatType::Symmetric => {
@@ -94,12 +100,10 @@ impl Punch {
                     } else {
                         1
                     };
-                    let (max_port, overflow) = nat_info.public_port.overflowing_add(nat_info.public_port_range);
-                    let max_port = if overflow {
-                        65535
-                    } else {
-                        max_port
-                    };
+                    let (max_port, overflow) = nat_info
+                        .public_port
+                        .overflowing_add(nat_info.public_port_range);
+                    let max_port = if overflow { 65535 } else { max_port };
                     let k = if max_port - min_port + 1 > max_k1 {
                         max_k1 as usize
                     } else {
@@ -111,7 +115,8 @@ impl Punch {
                         let mut rng = rand::thread_rng();
                         nums.shuffle(&mut rng);
                     }
-                    self.punch_symmetric(&nums[..k], buf, &nat_info.public_ips, max_k1 as usize).await?;
+                    self.punch_symmetric(&nums[..k], buf, &nat_info.public_ips, max_k1 as usize)
+                        .await?;
                 }
                 let start = *self.port_index.entry(id.clone()).or_insert(0);
                 let mut end = start + max_k2;
@@ -120,7 +125,13 @@ impl Punch {
                     end = self.port_vec.len();
                     index = 0
                 }
-                self.punch_symmetric(&self.port_vec[start..end], buf, &nat_info.public_ips, max_k2).await?;
+                self.punch_symmetric(
+                    &self.port_vec[start..end],
+                    buf,
+                    &nat_info.public_ips,
+                    max_k2,
+                )
+                .await?;
                 self.port_index.insert(id, index);
             }
             NatType::Cone => {
@@ -140,7 +151,13 @@ impl Punch {
         Ok(())
     }
 
-    async fn punch_symmetric(&self, ports: &[u16], buf: &[u8], ips: &Vec<Ipv4Addr>, max: usize) -> io::Result<()> {
+    async fn punch_symmetric(
+        &self,
+        ports: &[u16],
+        buf: &[u8],
+        ips: &Vec<Ipv4Addr>,
+        max: usize,
+    ) -> io::Result<()> {
         let mut count = 0;
         for port in ports {
             for pub_ip in ips {

vnt/src/channel/sender.rs

@@ -1,5 +1,5 @@
-use std::ops::Deref;
 use crate::channel::channel::Context;
+use std::ops::Deref;
 
 #[derive(Clone)]
 pub struct ChannelSender {
@@ -8,9 +8,7 @@ pub struct ChannelSender {
 
 impl ChannelSender {
     pub fn new(context: Context) -> Self {
-        Self {
-            context,
-        }
+        Self { context }
     }
 }
 

vnt/src/cipher/aes_cbc.rs

@@ -5,7 +5,7 @@ use rand::RngCore;
 
 use crate::cipher::Finger;
 use crate::protocol::body::AesCbcSecretBody;
-use crate::protocol::{HEAD_LEN, NetPacket};
+use crate::protocol::{NetPacket, HEAD_LEN};
 
 type Aes128CbcEnc = cbc::Encryptor<aes::Aes128>;
 type Aes128CbcDec = cbc::Decryptor<aes::Aes128>;
@@ -27,8 +27,8 @@ pub enum AesCbcEnum {
 impl AesCbcCipher {
     pub fn key(&self) -> &[u8] {
         match &self.cipher {
-            AesCbcEnum::AES128CBC(key) => { key }
-            AesCbcEnum::AES256CBC(key) => { key }
+            AesCbcEnum::AES128CBC(key) => key,
+            AesCbcEnum::AES256CBC(key) => key,
         }
     }
 }
@@ -47,13 +47,16 @@ impl AesCbcCipher {
         }
     }
 
-    pub fn decrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<()> {
+    pub fn decrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<()> {
         if !net_packet.is_encrypt() {
             //未加密的数据直接丢弃
             return Err(io::Error::new(io::ErrorKind::Other, "not encrypt"));
         }
         if net_packet.payload().len() < 16 {
-            log::error!("数据异常,长度{}小于{}",net_packet.payload().len(),16);
+            log::error!("数据异常,长度{}小于{}", net_packet.payload().len(), 16);
             return Err(io::Error::new(io::ErrorKind::Other, "data err"));
         }
         let mut iv = [0; 16];
@@ -67,7 +70,8 @@ impl AesCbcCipher {
             iv[12..16].copy_from_slice(&finger.hash[0..4]);
         }
 
-        let mut secret_body = AesCbcSecretBody::new(net_packet.payload_mut(), self.finger.is_some())?;
+        let mut secret_body =
+            AesCbcSecretBody::new(net_packet.payload_mut(), self.finger.is_some())?;
         if let Some(finger) = &self.finger {
             let finger = finger.calculate_finger(&iv[..12], secret_body.en_body());
             if &finger != secret_body.finger() {
@@ -75,8 +79,10 @@ impl AesCbcCipher {
             }
         }
         let rs = match &self.cipher {
-            AesCbcEnum::AES128CBC(key) => { Aes128CbcDec::new(&(*key).into(), &iv.into()).decrypt_padded_mut::<Pkcs7>(secret_body.en_body_mut()) }
-            AesCbcEnum::AES256CBC(key) => { Aes256CbcDec::new(&(*key).into(), &iv.into()).decrypt_padded_mut::<Pkcs7>(secret_body.en_body_mut()) }
+            AesCbcEnum::AES128CBC(key) => Aes128CbcDec::new(&(*key).into(), &iv.into())
+                .decrypt_padded_mut::<Pkcs7>(secret_body.en_body_mut()),
+            AesCbcEnum::AES256CBC(key) => Aes256CbcDec::new(&(*key).into(), &iv.into())
+                .decrypt_padded_mut::<Pkcs7>(secret_body.en_body_mut()),
         };
         match rs {
             Ok(buf) => {
@@ -86,14 +92,18 @@ impl AesCbcCipher {
                 net_packet.set_data_len(HEAD_LEN + len - 4)?;
                 Ok(())
             }
-            Err(e) => {
-                Err(io::Error::new(io::ErrorKind::Other, format!("解密失败:{}", e)))
-            }
+            Err(e) => Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("解密失败:{}", e),
+            )),
         }
     }
     /// net_packet 必须预留足够长度
     /// data_len是有效载荷的长度
-    pub fn encrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<()> {
+    pub fn encrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<()> {
         let data_len = net_packet.data_len();
         let mut iv = [0; 16];
         iv[0..4].copy_from_slice(&net_packet.source().octets());
@@ -105,17 +115,20 @@ impl AesCbcCipher {
         if let Some(finger) = &self.finger {
             iv[12..16].copy_from_slice(&finger.hash[0..4]);
             net_packet.set_data_len(data_len + 16)?;
-        }else{
+        } else {
             net_packet.set_data_len(data_len + 4)?;
         }
         //先扩充随机数
-        let mut secret_body = AesCbcSecretBody::new(net_packet.payload_mut(), self.finger.is_some())?;
+        let mut secret_body =
+            AesCbcSecretBody::new(net_packet.payload_mut(), self.finger.is_some())?;
         secret_body.set_random(rand::thread_rng().next_u32());
         let p_len = secret_body.en_body().len();
         net_packet.set_data_len_max();
         let rs = match &self.cipher {
-            AesCbcEnum::AES128CBC(key) => { Aes128CbcEnc::new(&(*key).into(), &iv.into()).encrypt_padded_mut::<Pkcs7>(net_packet.payload_mut(), p_len) }
-            AesCbcEnum::AES256CBC(key) => { Aes256CbcEnc::new(&(*key).into(), &iv.into()).encrypt_padded_mut::<Pkcs7>(net_packet.payload_mut(), p_len) }
+            AesCbcEnum::AES128CBC(key) => Aes128CbcEnc::new(&(*key).into(), &iv.into())
+                .encrypt_padded_mut::<Pkcs7>(net_packet.payload_mut(), p_len),
+            AesCbcEnum::AES256CBC(key) => Aes256CbcEnc::new(&(*key).into(), &iv.into())
+                .encrypt_padded_mut::<Pkcs7>(net_packet.payload_mut(), p_len),
         };
         return match rs {
             Ok(buf) => {
@@ -133,9 +146,10 @@ impl AesCbcCipher {
                 net_packet.set_encrypt_flag(true);
                 Ok(())
             }
-            Err(e) => {
-                Err(io::Error::new(io::ErrorKind::Other, format!("加密失败:{}", e)))
-            }
+            Err(e) => Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("加密失败:{}", e),
+            )),
         };
     }
-}
+}

vnt/src/cipher/aes_ecb.rs

@@ -1,9 +1,9 @@
-use std::io;
 use crate::cipher::Finger;
 use crate::protocol::body::AesCbcSecretBody;
-use crate::protocol::{HEAD_LEN, NetPacket};
+use crate::protocol::{NetPacket, HEAD_LEN};
 use aes::cipher::{block_padding::Pkcs7, BlockDecryptMut, BlockEncryptMut, KeyInit};
 use rand::RngCore;
+use std::io;
 
 type Aes128EcbEnc = ecb::Encryptor<aes::Aes128>;
 type Aes128EcbDec = ecb::Decryptor<aes::Aes128>;
@@ -25,8 +25,8 @@ pub enum AesEcbEnum {
 impl AesEcbCipher {
     pub fn key(&self) -> &[u8] {
         match &self.cipher {
-            AesEcbEnum::AES128ECB(key) => { key }
-            AesEcbEnum::AES256ECB(key) => { key }
+            AesEcbEnum::AES128ECB(key) => key,
+            AesEcbEnum::AES256ECB(key) => key,
         }
     }
 }
@@ -45,13 +45,16 @@ impl AesEcbCipher {
         }
     }
 
-    pub fn decrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<()> {
+    pub fn decrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<()> {
         if !net_packet.is_encrypt() {
             //未加密的数据直接丢弃
             return Err(io::Error::new(io::ErrorKind::Other, "not encrypt"));
         }
         if net_packet.payload().len() < 16 {
-            log::error!("数据异常,长度{}小于{}",net_packet.payload().len(),16);
+            log::error!("数据异常,长度{}小于{}", net_packet.payload().len(), 16);
             return Err(io::Error::new(io::ErrorKind::Other, "data err"));
         }
         let mut iv = [0; 16];
@@ -65,7 +68,8 @@ impl AesEcbCipher {
             iv[12..16].copy_from_slice(&finger.hash[0..4]);
         }
 
-        let mut secret_body = AesCbcSecretBody::new(net_packet.payload_mut(), self.finger.is_some())?;
+        let mut secret_body =
+            AesCbcSecretBody::new(net_packet.payload_mut(), self.finger.is_some())?;
         if let Some(finger) = &self.finger {
             let finger = finger.calculate_finger(&iv[..12], secret_body.en_body());
             if &finger != secret_body.finger() {
@@ -73,8 +77,10 @@ impl AesEcbCipher {
             }
         }
         let rs = match &self.cipher {
-            AesEcbEnum::AES128ECB(key) => { Aes128EcbDec::new(&(*key).into()).decrypt_padded_mut::<Pkcs7>(secret_body.en_body_mut()) }
-            AesEcbEnum::AES256ECB(key) => { Aes256EcbDec::new(&(*key).into()).decrypt_padded_mut::<Pkcs7>(secret_body.en_body_mut()) }
+            AesEcbEnum::AES128ECB(key) => Aes128EcbDec::new(&(*key).into())
+                .decrypt_padded_mut::<Pkcs7>(secret_body.en_body_mut()),
+            AesEcbEnum::AES256ECB(key) => Aes256EcbDec::new(&(*key).into())
+                .decrypt_padded_mut::<Pkcs7>(secret_body.en_body_mut()),
         };
         match rs {
             Ok(buf) => {
@@ -84,14 +90,18 @@ impl AesEcbCipher {
                 net_packet.set_data_len(HEAD_LEN + len - 4)?;
                 Ok(())
             }
-            Err(e) => {
-                Err(io::Error::new(io::ErrorKind::Other, format!("解密失败:{}", e)))
-            }
+            Err(e) => Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("解密失败:{}", e),
+            )),
         }
     }
     /// net_packet 必须预留足够长度
     /// data_len是有效载荷的长度
-    pub fn encrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<()> {
+    pub fn encrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<()> {
         let data_len = net_packet.data_len();
         let mut iv = [0; 16];
         iv[0..4].copy_from_slice(&net_packet.source().octets());
@@ -103,18 +113,21 @@ impl AesEcbCipher {
         if let Some(finger) = &self.finger {
             iv[12..16].copy_from_slice(&finger.hash[0..4]);
             net_packet.set_data_len(data_len + 16)?;
-        }else{
+        } else {
             net_packet.set_data_len(data_len + 4)?;
         }
         //先扩充随机数
 
-        let mut secret_body = AesCbcSecretBody::new(net_packet.payload_mut(), self.finger.is_some())?;
+        let mut secret_body =
+            AesCbcSecretBody::new(net_packet.payload_mut(), self.finger.is_some())?;
         secret_body.set_random(rand::thread_rng().next_u32());
         let p_len = secret_body.en_body().len();
         net_packet.set_data_len_max();
         let rs = match &self.cipher {
-            AesEcbEnum::AES128ECB(key) => { Aes128EcbEnc::new(&(*key).into()).encrypt_padded_mut::<Pkcs7>(net_packet.payload_mut(), p_len) }
-            AesEcbEnum::AES256ECB(key) => { Aes256EcbEnc::new(&(*key).into()).encrypt_padded_mut::<Pkcs7>(net_packet.payload_mut(), p_len) }
+            AesEcbEnum::AES128ECB(key) => Aes128EcbEnc::new(&(*key).into())
+                .encrypt_padded_mut::<Pkcs7>(net_packet.payload_mut(), p_len),
+            AesEcbEnum::AES256ECB(key) => Aes256EcbEnc::new(&(*key).into())
+                .encrypt_padded_mut::<Pkcs7>(net_packet.payload_mut(), p_len),
         };
         return match rs {
             Ok(buf) => {
@@ -132,9 +145,10 @@ impl AesEcbCipher {
                 net_packet.set_encrypt_flag(true);
                 Ok(())
             }
-            Err(e) => {
-                Err(io::Error::new(io::ErrorKind::Other, format!("加密失败:{}", e)))
-            }
+            Err(e) => Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("加密失败:{}", e),
+            )),
         };
     }
-}
+}

vnt/src/cipher/aes_gcm_cipher.rs

@@ -1,13 +1,12 @@
 use std::io;
 
-use aes_gcm::{AeadInPlace, Aes128Gcm, Aes256Gcm, Key, KeyInit, Nonce, Tag};
 use aes_gcm::aead::consts::{U12, U16};
 use aes_gcm::aead::generic_array::GenericArray;
+use aes_gcm::{AeadInPlace, Aes128Gcm, Aes256Gcm, Key, KeyInit, Nonce, Tag};
 use rand::RngCore;
 
 use crate::cipher::finger::Finger;
-use crate::protocol::{body::ENCRYPTION_RESERVED, body::SecretBody, NetPacket};
-
+use crate::protocol::{body::SecretBody, body::ENCRYPTION_RESERVED, NetPacket};
 
 #[derive(Clone)]
 pub struct AesGcmCipher {
@@ -37,13 +36,16 @@ impl AesGcmCipher {
         }
     }
 
-    pub fn decrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<()> {
+    pub fn decrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<()> {
         if !net_packet.is_encrypt() {
             //未加密的数据直接丢弃
             return Err(io::Error::new(io::ErrorKind::Other, "not encrypt"));
         }
         if net_packet.payload().len() < ENCRYPTION_RESERVED {
-            log::error!("数据异常,长度小于{}",ENCRYPTION_RESERVED);
+            log::error!("数据异常,长度小于{}", ENCRYPTION_RESERVED);
             return Err(io::Error::new(io::ErrorKind::Other, "data err"));
         }
         let mut nonce_raw = [0; 12];
@@ -65,11 +67,18 @@ impl AesGcmCipher {
         }
         let tag: GenericArray<u8, U16> = Tag::clone_from_slice(tag);
         let rs = match &self.cipher {
-            AesGcmEnum::AES128GCM(aes_gcm) => { aes_gcm.decrypt_in_place_detached(nonce, &[], secret_body.body_mut(), &tag) }
-            AesGcmEnum::AES256GCM(aes_gcm) => { aes_gcm.decrypt_in_place_detached(nonce, &[], secret_body.body_mut(), &tag) }
+            AesGcmEnum::AES128GCM(aes_gcm) => {
+                aes_gcm.decrypt_in_place_detached(nonce, &[], secret_body.body_mut(), &tag)
+            }
+            AesGcmEnum::AES256GCM(aes_gcm) => {
+                aes_gcm.decrypt_in_place_detached(nonce, &[], secret_body.body_mut(), &tag)
+            }
         };
         if let Err(e) = rs {
-            return Err(io::Error::new(io::ErrorKind::Other, format!("解密失败:{}", e)));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("解密失败:{}", e),
+            ));
         }
         net_packet.set_encrypt_flag(false);
         net_packet.set_data_len(net_packet.data_len() - ENCRYPTION_RESERVED)?;
@@ -77,7 +86,10 @@ impl AesGcmCipher {
     }
     /// net_packet 必须预留足够长度
     /// data_len是有效载荷的长度
-    pub fn encrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<()> {
+    pub fn encrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<()> {
         if net_packet.reserve() < ENCRYPTION_RESERVED {
             return Err(io::Error::new(io::ErrorKind::Other, "too short"));
         }
@@ -94,8 +106,12 @@ impl AesGcmCipher {
         let mut secret_body = SecretBody::new(net_packet.payload_mut(), self.finger.is_some())?;
         secret_body.set_random(rand::thread_rng().next_u32());
         let rs = match &self.cipher {
-            AesGcmEnum::AES128GCM(aes_gcm) => { aes_gcm.encrypt_in_place_detached(nonce, &[], secret_body.body_mut()) }
-            AesGcmEnum::AES256GCM(aes_gcm) => { aes_gcm.encrypt_in_place_detached(nonce, &[], secret_body.body_mut()) }
+            AesGcmEnum::AES128GCM(aes_gcm) => {
+                aes_gcm.encrypt_in_place_detached(nonce, &[], secret_body.body_mut())
+            }
+            AesGcmEnum::AES256GCM(aes_gcm) => {
+                aes_gcm.encrypt_in_place_detached(nonce, &[], secret_body.body_mut())
+            }
         };
         return match rs {
             Ok(tag) => {
@@ -107,9 +123,10 @@ impl AesGcmCipher {
                 net_packet.set_encrypt_flag(true);
                 Ok(())
             }
-            Err(e) => {
-                Err(io::Error::new(io::ErrorKind::Other, format!("加密失败:{}", e)))
-            }
+            Err(e) => Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("加密失败:{}", e),
+            )),
         };
     }
-}
+}

vnt/src/cipher/cipher.rs

@@ -1,14 +1,14 @@
-use std::io;
-use std::str::FromStr;
-use crate::cipher::{aes_cbc, Finger};
-use crate::protocol::NetPacket;
-use sha2::Digest;
-#[cfg(feature = "ring-cipher")]
-use crate::cipher::ring_aes_gcm_cipher::AesGcmCipher;
+use crate::cipher::aes_ecb::AesEcbCipher;
 #[cfg(not(feature = "ring-cipher"))]
 use crate::cipher::aes_gcm_cipher::AesGcmCipher;
+#[cfg(feature = "ring-cipher")]
+use crate::cipher::ring_aes_gcm_cipher::AesGcmCipher;
+use crate::cipher::{aes_cbc, Finger};
+use crate::protocol::NetPacket;
 use aes_cbc::AesCbcCipher;
-use crate::cipher::aes_ecb::AesEcbCipher;
+use sha2::Digest;
+use std::io;
+use std::str::FromStr;
 
 #[derive(Copy, Clone, Eq, PartialEq, Debug)]
 pub enum CipherModel {
@@ -22,14 +22,10 @@ impl FromStr for CipherModel {
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
         match s {
-            "aes_gcm" => {
-                Ok(CipherModel::AesGcm)
-            }
-            "aes_cbc" => { Ok(CipherModel::AesCbc) }
-            "aes_ecb" => { Ok(CipherModel::AesEcb) }
-            _ => {
-                Err(format!("not match '{}'", s))
-            }
+            "aes_gcm" => Ok(CipherModel::AesGcm),
+            "aes_cbc" => Ok(CipherModel::AesCbc),
+            "aes_ecb" => Ok(CipherModel::AesEcb),
+            _ => Err(format!("not match '{}'", s)),
         }
     }
 }
@@ -43,7 +39,11 @@ pub enum Cipher {
 }
 
 impl Cipher {
-    pub fn new_password(model: CipherModel, password: Option<String>, token: Option<String>) -> Self {
+    pub fn new_password(
+        model: CipherModel,
+        password: Option<String>,
+        token: Option<String>,
+    ) -> Self {
         let finger = token.map(|token| Finger::new(&token));
         if let Some(password) = password {
             let mut hasher = sha2::Sha256::new();
@@ -93,22 +93,17 @@ impl Cipher {
                 let aes = AesGcmCipher::new_256(key, finger);
                 Ok(Cipher::AesGcm((aes, key.to_vec())))
             }
-            _ => {
-                Err(io::Error::new(io::ErrorKind::Other, "key error"))
-            }
+            _ => Err(io::Error::new(io::ErrorKind::Other, "key error")),
         }
     }
-    pub fn decrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<()> {
+    pub fn decrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<()> {
         match self {
-            Cipher::AesGcm((aes_gcm, _)) => {
-                aes_gcm.decrypt_ipv4(net_packet)
-            }
-            Cipher::AesCbc(aes_cbc) => {
-                aes_cbc.decrypt_ipv4(net_packet)
-            }
-            Cipher::AesEcb(aes_ecb) => {
-                aes_ecb.decrypt_ipv4(net_packet)
-            }
+            Cipher::AesGcm((aes_gcm, _)) => aes_gcm.decrypt_ipv4(net_packet),
+            Cipher::AesCbc(aes_cbc) => aes_cbc.decrypt_ipv4(net_packet),
+            Cipher::AesEcb(aes_ecb) => aes_ecb.decrypt_ipv4(net_packet),
             Cipher::None => {
                 if net_packet.is_encrypt() {
                     return Err(io::Error::new(io::ErrorKind::Other, "not key"));
@@ -117,36 +112,23 @@ impl Cipher {
             }
         }
     }
-    pub fn encrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<()> {
+    pub fn encrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<()> {
         match self {
-            Cipher::AesGcm((aes_gcm, _)) => {
-                aes_gcm.encrypt_ipv4(net_packet)
-            }
-            Cipher::AesCbc(aes_cbc) => {
-                aes_cbc.encrypt_ipv4(net_packet)
-            }
-            Cipher::AesEcb(aes_ecb) => {
-                aes_ecb.encrypt_ipv4(net_packet)
-            }
-            Cipher::None => {
-                Ok(())
-            }
+            Cipher::AesGcm((aes_gcm, _)) => aes_gcm.encrypt_ipv4(net_packet),
+            Cipher::AesCbc(aes_cbc) => aes_cbc.encrypt_ipv4(net_packet),
+            Cipher::AesEcb(aes_ecb) => aes_ecb.encrypt_ipv4(net_packet),
+            Cipher::None => Ok(()),
         }
     }
     pub fn check_finger<B: AsRef<[u8]>>(&self, net_packet: &NetPacket<B>) -> io::Result<()> {
         let finger = match self {
-            Cipher::AesGcm((aes_gcm, _)) => {
-                aes_gcm.finger.as_ref()
-            }
-            Cipher::AesCbc(aes_cbc) => {
-                aes_cbc.finger.as_ref()
-            }
-            Cipher::AesEcb(aes_ecb) => {
-                aes_ecb.finger.as_ref()
-            }
-            Cipher::None => {
-                None
-            }
+            Cipher::AesGcm((aes_gcm, _)) => aes_gcm.finger.as_ref(),
+            Cipher::AesCbc(aes_cbc) => aes_cbc.finger.as_ref(),
+            Cipher::AesEcb(aes_ecb) => aes_ecb.finger.as_ref(),
+            Cipher::None => None,
         };
         if let Some(finger) = finger {
             finger.check_finger(net_packet)
@@ -156,18 +138,10 @@ impl Cipher {
     }
     pub fn key(&self) -> Option<&[u8]> {
         match self {
-            Cipher::AesGcm((_, key)) => {
-                Some(key)
-            }
-            Cipher::AesCbc(aes_cbc) => {
-                Some(aes_cbc.key())
-            }
-            Cipher::AesEcb(aes_ecb) => {
-                Some(aes_ecb.key())
-            }
-            Cipher::None => {
-                None
-            }
+            Cipher::AesGcm((_, key)) => Some(key),
+            Cipher::AesCbc(aes_cbc) => Some(aes_cbc.key()),
+            Cipher::AesEcb(aes_ecb) => Some(aes_ecb.key()),
+            Cipher::None => None,
         }
     }
-}
+}

vnt/src/cipher/finger.rs

@@ -23,7 +23,7 @@ impl Finger {
         }
         let payload_len = net_packet.payload().len();
         if payload_len < 12 {
-            log::error!("数据异常,长度小于{}",12);
+            log::error!("数据异常,长度小于{}", 12);
             return Err(io::Error::new(io::ErrorKind::Other, "data err"));
         }
         let mut nonce_raw = [0; 12];
@@ -48,4 +48,4 @@ impl Finger {
         let key: [u8; 32] = hasher.finalize().into();
         return key[20..].try_into().unwrap();
     }
-}
+}

vnt/src/cipher/mod.rs

@@ -1,15 +1,14 @@
-#[cfg(feature = "ring-cipher")]
-mod ring_aes_gcm_cipher;
-#[cfg(not(feature = "ring-cipher"))]
-mod aes_gcm_cipher;
-mod rsa_cipher;
 mod aes_cbc;
 mod aes_ecb;
-mod finger;
+#[cfg(not(feature = "ring-cipher"))]
+mod aes_gcm_cipher;
 mod cipher;
+mod finger;
+#[cfg(feature = "ring-cipher")]
+mod ring_aes_gcm_cipher;
+mod rsa_cipher;
 
 pub use cipher::Cipher;
+pub use cipher::CipherModel;
 pub use finger::Finger;
 pub use rsa_cipher::RsaCipher;
-pub use cipher::CipherModel;
-

vnt/src/cipher/ring_aes_gcm_cipher.rs

@@ -1,11 +1,11 @@
-use std::io;
+use crate::cipher::Finger;
 use rand::RngCore;
 use ring::aead;
 use ring::aead::{LessSafeKey, UnboundKey};
-use crate::cipher::Finger;
+use std::io;
 
+use crate::protocol::body::{SecretBody, ENCRYPTION_RESERVED};
 use crate::protocol::NetPacket;
-use crate::protocol::body::{ENCRYPTION_RESERVED, SecretBody};
 
 #[derive(Clone)]
 pub struct AesGcmCipher {
@@ -22,11 +22,13 @@ impl Clone for AesGcmEnum {
     fn clone(&self) -> Self {
         match &self {
             AesGcmEnum::AesGCM128(_, key) => {
-                let c = LessSafeKey::new(UnboundKey::new(&aead::AES_128_GCM, key.as_slice()).unwrap());
+                let c =
+                    LessSafeKey::new(UnboundKey::new(&aead::AES_128_GCM, key.as_slice()).unwrap());
                 AesGcmEnum::AesGCM128(c, *key)
             }
             AesGcmEnum::AesGCM256(_, key) => {
-                let c = LessSafeKey::new(UnboundKey::new(&aead::AES_256_GCM, key.as_slice()).unwrap());
+                let c =
+                    LessSafeKey::new(UnboundKey::new(&aead::AES_256_GCM, key.as_slice()).unwrap());
                 AesGcmEnum::AesGCM256(c, *key)
             }
         }
@@ -48,13 +50,16 @@ impl AesGcmCipher {
             finger,
         }
     }
-    pub fn decrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<()> {
+    pub fn decrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<()> {
         if !net_packet.is_encrypt() {
             //未加密的数据直接丢弃
             return Err(io::Error::new(io::ErrorKind::Other, "not encrypt"));
         }
         if net_packet.payload().len() < ENCRYPTION_RESERVED {
-            log::error!("数据异常,长度小于{}",ENCRYPTION_RESERVED);
+            log::error!("数据异常,长度小于{}", ENCRYPTION_RESERVED);
             return Err(io::Error::new(io::ErrorKind::Other, "data err"));
         }
         let mut nonce_raw = [0; 12];
@@ -82,7 +87,10 @@ impl AesGcmCipher {
             }
         };
         if let Err(e) = rs {
-            return Err(io::Error::new(io::ErrorKind::Other, format!("解密失败:{}", e)));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("解密失败:{}", e),
+            ));
         }
         net_packet.set_encrypt_flag(false);
         net_packet.set_data_len(net_packet.data_len() - ENCRYPTION_RESERVED)?;
@@ -91,7 +99,10 @@ impl AesGcmCipher {
     /// net_packet 必须预留足够长度
     /// data_len是有效载荷的长度
     /// 返回加密后载荷的长度
-    pub fn encrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<()> {
+    pub fn encrypt_ipv4<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<()> {
         let mut nonce_raw = [0; 12];
         nonce_raw[0..4].copy_from_slice(&net_packet.source().octets());
         nonce_raw[4..8].copy_from_slice(&net_packet.destination().octets());
@@ -117,7 +128,10 @@ impl AesGcmCipher {
             Ok(tag) => {
                 let tag = tag.as_ref();
                 if tag.len() != 16 {
-                    return Err(io::Error::new(io::ErrorKind::Other, format!("加密tag长度错误:{}", tag.len())));
+                    return Err(io::Error::new(
+                        io::ErrorKind::Other,
+                        format!("加密tag长度错误:{}", tag.len()),
+                    ));
                 }
                 secret_body.set_tag(tag)?;
                 if let Some(finger) = &self.finger {
@@ -127,9 +141,10 @@ impl AesGcmCipher {
                 net_packet.set_encrypt_flag(true);
                 Ok(())
             }
-            Err(e) => {
-                Err(io::Error::new(io::ErrorKind::Other, format!("加密失败:{}", e)))
-            }
+            Err(e) => Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("加密失败:{}", e),
+            )),
         };
     }
-}
+}

vnt/src/cipher/rsa_cipher.rs

@@ -1,11 +1,11 @@
-use std::io;
+use crate::protocol::body::{RsaSecretBody, ENCRYPTION_RESERVED};
+use crate::protocol::NetPacket;
 use rand::Rng;
 use rsa::pkcs8::der::Decode;
 use rsa::{PublicKey, RsaPublicKey};
-use spki::{DecodePublicKey, EncodePublicKey};
-use crate::protocol::body::{ENCRYPTION_RESERVED, RsaSecretBody};
-use crate::protocol::NetPacket;
 use sha2::Digest;
+use spki::{DecodePublicKey, EncodePublicKey};
+use std::io;
 
 #[derive(Clone)]
 pub struct RsaCipher {
@@ -21,47 +21,44 @@ impl RsaCipher {
     pub fn new(der: &[u8]) -> io::Result<Self> {
         match RsaPublicKey::from_public_key_der(der) {
             Ok(public_key) => {
-                let inner = Inner {
-                    public_key,
-                };
-                Ok(Self {
-                    inner
-                })
-            }
-            Err(e) => {
-                Err(io::Error::new(io::ErrorKind::Other, format!("from_public_key_der failed {}", e)))
+                let inner = Inner { public_key };
+                Ok(Self { inner })
             }
+            Err(e) => Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("from_public_key_der failed {}", e),
+            )),
         }
     }
     pub fn finger(&self) -> io::Result<String> {
         match self.inner.public_key.to_public_key_der() {
-            Ok(der) => {
-                match rsa::pkcs8::SubjectPublicKeyInfo::from_der(der.as_bytes()) {
-                    Ok(spki) => {
-                        match spki.fingerprint_base64() {
-                            Ok(finger) => {
-                                Ok(finger)
-                            }
-                            Err(e) => {
-                                Err(io::Error::new(io::ErrorKind::Other, format!("fingerprint_base64 error {}", e)))
-                            }
-                        }
-                    }
-                    Err(e) => {
-                        Err(io::Error::new(io::ErrorKind::Other, format!("from_der error {}", e)))
-                    }
-                }
-            }
-            Err(e) => {
-                Err(io::Error::new(io::ErrorKind::Other, format!("to_public_key_der error {}", e)))
-            }
+            Ok(der) => match rsa::pkcs8::SubjectPublicKeyInfo::from_der(der.as_bytes()) {
+                Ok(spki) => match spki.fingerprint_base64() {
+                    Ok(finger) => Ok(finger),
+                    Err(e) => Err(io::Error::new(
+                        io::ErrorKind::Other,
+                        format!("fingerprint_base64 error {}", e),
+                    )),
+                },
+                Err(e) => Err(io::Error::new(
+                    io::ErrorKind::Other,
+                    format!("from_der error {}", e),
+                )),
+            },
+            Err(e) => Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("to_public_key_der error {}", e),
+            )),
         }
     }
 }
 
 impl RsaCipher {
     /// net_packet 必须预留足够长度
-    pub fn encrypt<B: AsRef<[u8]> + AsMut<[u8]>>(&self, net_packet: &mut NetPacket<B>) -> io::Result<NetPacket<Vec<u8>>> {
+    pub fn encrypt<B: AsRef<[u8]> + AsMut<[u8]>>(
+        &self,
+        net_packet: &mut NetPacket<B>,
+    ) -> io::Result<NetPacket<Vec<u8>>> {
         if net_packet.reserve() < ENCRYPTION_RESERVED {
             return Err(io::Error::new(io::ErrorKind::Other, "too short"));
         }
@@ -84,16 +81,21 @@ impl RsaCipher {
         hasher.update(nonce_raw);
         let key: [u8; 32] = hasher.finalize().into();
         secret_body.set_finger(&key[16..])?;
-        match self.inner.public_key.encrypt(&mut rng, rsa::PaddingScheme::PKCS1v15Encrypt, secret_body.buffer()) {
+        match self.inner.public_key.encrypt(
+            &mut rng,
+            rsa::PaddingScheme::PKCS1v15Encrypt,
+            secret_body.buffer(),
+        ) {
             Ok(enc_data) => {
                 let mut net_packet_e = NetPacket::new(vec![0; 12 + enc_data.len()])?;
                 net_packet_e.buffer_mut()[..12].copy_from_slice(&net_packet.buffer()[..12]);
                 net_packet_e.set_payload(&enc_data)?;
                 Ok(net_packet_e)
             }
-            Err(e) => {
-                Err(io::Error::new(io::ErrorKind::Other, format!("encrypt failed {}", e)))
-            }
+            Err(e) => Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("encrypt failed {}", e),
+            )),
         }
     }
-}
+}

vnt/src/core/mod.rs

@@ -10,22 +10,25 @@ use rand::Rng;
 use tokio::net::{TcpStream, UdpSocket};
 use tokio::sync::mpsc::channel;
 
-use crate::channel::{Route, RouteKey};
 use crate::channel::channel::{Channel, Context};
 use crate::channel::idle::Idle;
 use crate::channel::punch::{NatInfo, Punch};
 use crate::channel::sender::ChannelSender;
+use crate::channel::{Route, RouteKey};
 use crate::cipher::{Cipher, CipherModel, RsaCipher};
 use crate::core::status::VntStatusManger;
 use crate::error::Error;
 use crate::external_route::{AllowExternalRoute, ExternalRoute};
-use crate::handle::{ConnectStatus, CurrentDeviceInfo, handshake_handler, heartbeat_handler, PeerDeviceInfo, punch_handler, registration_handler};
 use crate::handle::handshake_handler::HandshakeEnum;
 use crate::handle::recv_handler::ChannelDataHandler;
 use crate::handle::registration_handler::{RegResponse, ReqEnum};
 #[cfg(any(target_os = "linux", target_os = "macos", target_os = "windows"))]
 use crate::handle::tun_tap::tap_handler;
 use crate::handle::tun_tap::tun_handler;
+use crate::handle::{
+    handshake_handler, heartbeat_handler, punch_handler, registration_handler, ConnectStatus,
+    CurrentDeviceInfo, PeerDeviceInfo,
+};
 use crate::igmp_server::IgmpServer;
 use crate::nat::NatTest;
 use crate::tun_tap_device;
@@ -34,7 +37,6 @@ use crate::tun_tap_device::{DeviceReader, DeviceWriter};
 pub mod status;
 pub mod sync;
 
-
 #[derive(Clone)]
 pub struct Vnt {
     config: Config,
@@ -66,11 +68,9 @@ impl VntUtil {
     pub async fn new(config: Config) -> io::Result<VntUtil> {
         let main_channel = UdpSocket::bind("0.0.0.0:0").await?;
         let main_channel_ipv6 = match UdpSocket::bind("[::]:0").await {
-            Ok(main_channel_ipv6) => {
-                Some(main_channel_ipv6)
-            }
+            Ok(main_channel_ipv6) => Some(main_channel_ipv6),
             Err(e) => {
-                log::warn!("绑定ipv6地址失败:{}",e);
+                log::warn!("绑定ipv6地址失败:{}", e);
                 None
             }
         };
@@ -103,26 +103,48 @@ impl VntUtil {
 
     ///握手 用于获取公钥
     pub async fn handshake(&mut self) -> Result<Option<RsaCipher>, HandshakeEnum> {
-        let rsa_cipher = handshake_handler::handshake(&self.main_channel, self.main_tcp_channel.as_mut(), self.config.server_address, self.config.server_encrypt).await?;
+        let rsa_cipher = handshake_handler::handshake(
+            &self.main_channel,
+            self.main_tcp_channel.as_mut(),
+            self.config.server_address,
+            self.config.server_encrypt,
+        )
+        .await?;
         self.rsa_cipher = rsa_cipher.clone();
         Ok(rsa_cipher)
     }
     /// 加密握手 用于同步密钥
     pub async fn secret_handshake(&mut self) -> Result<(), HandshakeEnum> {
-        handshake_handler::secret_handshake(&self.main_channel, self.main_tcp_channel.as_mut(), self.config.server_address, self.rsa_cipher.as_ref().unwrap(), &self.server_cipher, self.config.token.clone()).await
+        handshake_handler::secret_handshake(
+            &self.main_channel,
+            self.main_tcp_channel.as_mut(),
+            self.config.server_address,
+            self.rsa_cipher.as_ref().unwrap(),
+            &self.server_cipher,
+            self.config.token.clone(),
+        )
+        .await
     }
     /// 注册
     pub async fn register(&mut self) -> Result<RegResponse, ReqEnum> {
-        match registration_handler::registration(&self.main_channel, self.main_tcp_channel.as_mut(), &self.server_cipher, self.config.server_address,
-                                                 self.config.token.clone(), self.config.device_id.clone(),
-                                                 self.config.name.clone(), self.config.ip.unwrap_or(Ipv4Addr::UNSPECIFIED), self.config.password.is_some()).await {
+        match registration_handler::registration(
+            &self.main_channel,
+            self.main_tcp_channel.as_mut(),
+            &self.server_cipher,
+            self.config.server_address,
+            self.config.token.clone(),
+            self.config.device_id.clone(),
+            self.config.name.clone(),
+            self.config.ip.unwrap_or(Ipv4Addr::UNSPECIFIED),
+            self.config.password.is_some(),
+        )
+        .await
+        {
             Ok(res) => {
                 let _ = self.response.insert(res.clone());
                 Ok(res)
             }
-            Err(e) => {
-                Err(e)
-            }
+            Err(e) => Err(e),
         }
     }
     #[cfg(any(target_os = "android"))]
@@ -139,9 +161,7 @@ impl VntUtil {
             None => {
                 return Err(io::Error::from(io::ErrorKind::AlreadyExists));
             }
-            Some(res) => {
-                res
-            }
+            Some(res) => res,
         };
         let device_type = if self.config.tap {
             #[cfg(windows)]
@@ -166,14 +186,23 @@ impl VntUtil {
                     1420
                 }
             }
-            Some(mtu) => {
-                mtu
-            }
+            Some(mtu) => mtu,
         };
-        let in_ips = self.config.in_ips.iter().map(|(dest, mask, _)| { (Ipv4Addr::from(*dest & *mask), Ipv4Addr::from(*mask)) }).collect::<Vec<(Ipv4Addr, Ipv4Addr)>>();
+        let in_ips = self
+            .config
+            .in_ips
+            .iter()
+            .map(|(dest, mask, _)| (Ipv4Addr::from(*dest & *mask), Ipv4Addr::from(*mask)))
+            .collect::<Vec<(Ipv4Addr, Ipv4Addr)>>();
 
-        let (device_writer, device_reader, driver_info) = tun_tap_device::create_device(device_type, response.virtual_ip,
-                                                                                        response.virtual_netmask, response.virtual_gateway, in_ips, mtu)?;
+        let (device_writer, device_reader, driver_info) = tun_tap_device::create_device(
+            device_type,
+            response.virtual_ip,
+            response.virtual_netmask,
+            response.virtual_gateway,
+            in_ips,
+            mtu,
+        )?;
         let _ = self.iface.insert((device_writer, device_reader));
         Ok(driver_info)
     }
@@ -182,17 +211,13 @@ impl VntUtil {
             None => {
                 return Err(Error::Stop("response None".to_string()));
             }
-            Some(res) => {
-                res
-            }
+            Some(res) => res,
         };
         let (device_writer, device_reader) = match self.iface {
             None => {
                 return Err(Error::Stop("iface None".to_string()));
             }
-            Some(res) => {
-                res
-            }
+            Some(res) => res,
         };
         let config = self.config.clone();
         let vnt_status_manager = VntStatusManger::new();
@@ -201,11 +226,17 @@ impl VntUtil {
         } else {
             None
         };
-        let client_cipher = Cipher::new_password(config.cipher_model, config.password.clone(), finger);
+        let client_cipher =
+            Cipher::new_password(config.cipher_model, config.password.clone(), finger);
         let virtual_ip = response.virtual_ip;
         let virtual_gateway = response.virtual_gateway;
         let virtual_netmask = response.virtual_netmask;
-        let current_device = Arc::new(AtomicCell::new(CurrentDeviceInfo::new(virtual_ip, virtual_gateway, virtual_netmask, config.server_address)));
+        let current_device = Arc::new(AtomicCell::new(CurrentDeviceInfo::new(
+            virtual_ip,
+            virtual_gateway,
+            virtual_netmask,
+            config.server_address,
+        )));
 
         let (cone_sender, cone_receiver) = channel(3);
         let (symmetric_sender, symmetric_receiver) = channel(2);
@@ -215,17 +246,28 @@ impl VntUtil {
         } else {
             (None, None)
         };
-        let context = Context::new(Arc::new(self.main_channel),
-                                   self.main_channel_ipv6.map(|v| Arc::new(v)),
-                                   tcp_sender, current_device.clone(), 1);
+        let context = Context::new(
+            Arc::new(self.main_channel),
+            self.main_channel_ipv6.map(|v| Arc::new(v)),
+            tcp_sender,
+            current_device.clone(),
+            1,
+        );
         let punch = Punch::new(context.clone());
         let idle = Idle::new(Duration::from_secs(16), context.clone());
         let channel_sender = ChannelSender::new(context.clone());
 
-        let register = Arc::new(registration_handler::Register::new(self.server_cipher.clone(), channel_sender.clone(),
-                                                                    config.server_address, config.token.clone(),
-                                                                    config.device_id.clone(), config.name.clone(), config.password.is_some()));
-        let device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>> = Arc::new(Mutex::new((response.epoch, response.device_info_list)));
+        let register = Arc::new(registration_handler::Register::new(
+            self.server_cipher.clone(),
+            channel_sender.clone(),
+            config.server_address,
+            config.token.clone(),
+            config.device_id.clone(),
+            config.name.clone(),
+            config.password.is_some(),
+        ));
+        let device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>> =
+            Arc::new(Mutex::new((response.epoch, response.device_info_list)));
         let peer_nat_info_map: Arc<DashMap<Ipv4Addr, NatInfo>> = Arc::new(DashMap::new());
         let connect_status = Arc::new(AtomicCell::new(ConnectStatus::Connected));
 
@@ -235,8 +277,14 @@ impl VntUtil {
         let ipv6_port = context.main_local_ipv6_port().unwrap_or(0);
         let ipv6_addr = crate::nat::local_ipv6_addr(ipv6_port);
         // NAT检测
-        let nat_test = NatTest::new(config.stun_server.clone(), response.public_ip,
-                                    response.public_port, local_ipv4_addr, ipv6_addr).await;
+        let nat_test = NatTest::new(
+            config.stun_server.clone(),
+            response.public_ip,
+            response.public_port,
+            local_ipv4_addr,
+            ipv6_addr,
+        )
+        .await;
         let in_external_route = if config.in_ips.is_empty() {
             None
         } else {
@@ -245,7 +293,12 @@ impl VntUtil {
         let (tcp_proxy, udp_proxy, ip_proxy_map) = if config.out_ips.is_empty() {
             (None, None, None)
         } else {
-            let (tcp_proxy, udp_proxy, ip_proxy_map) = crate::ip_proxy::init_proxy(channel_sender.clone(), current_device.clone(), client_cipher.clone()).await?;
+            let (tcp_proxy, udp_proxy, ip_proxy_map) = crate::ip_proxy::init_proxy(
+                channel_sender.clone(),
+                current_device.clone(),
+                client_cipher.clone(),
+            )
+            .await?;
             (Some(tcp_proxy), Some(udp_proxy), Some(ip_proxy_map))
         };
         let out_external_route = AllowExternalRoute::new(config.out_ips);
@@ -257,31 +310,79 @@ impl VntUtil {
         };
         #[cfg(any(target_os = "linux", target_os = "macos", target_os = "windows"))]
         if config.tap {
-            tap_handler::start(vnt_status_manager.worker("tap_handler"), channel_sender.clone(), device_reader, device_writer.clone(),
-                               igmp_server.clone(), current_device.clone(), in_external_route, ip_proxy_map.clone(),
-                               client_cipher.clone(), self.server_cipher.clone(), config.parallel);
+            tap_handler::start(
+                vnt_status_manager.worker("tap_handler"),
+                channel_sender.clone(),
+                device_reader,
+                device_writer.clone(),
+                igmp_server.clone(),
+                current_device.clone(),
+                in_external_route,
+                ip_proxy_map.clone(),
+                client_cipher.clone(),
+                self.server_cipher.clone(),
+                config.parallel,
+            );
         } else {
-            tun_handler::start(vnt_status_manager.worker("tun_handler"), channel_sender.clone(), device_reader, device_writer.clone(),
-                               igmp_server.clone(), current_device.clone(), in_external_route, ip_proxy_map.clone(),
-                               client_cipher.clone(), self.server_cipher.clone(), config.parallel).await;
+            tun_handler::start(
+                vnt_status_manager.worker("tun_handler"),
+                channel_sender.clone(),
+                device_reader,
+                device_writer.clone(),
+                igmp_server.clone(),
+                current_device.clone(),
+                in_external_route,
+                ip_proxy_map.clone(),
+                client_cipher.clone(),
+                self.server_cipher.clone(),
+                config.parallel,
+            )
+            .await;
         }
         #[cfg(any(target_os = "android"))]
-        tun_handler::start(vnt_status_manager.worker("android tun_handler"), channel_sender.clone(), device_reader, device_writer.clone(),
-                           igmp_server.clone(), current_device.clone(), in_external_route, ip_proxy_map.clone(), client_cipher.clone(), self.server_cipher.clone(), config.parallel).await;
+        tun_handler::start(
+            vnt_status_manager.worker("android tun_handler"),
+            channel_sender.clone(),
+            device_reader,
+            device_writer.clone(),
+            igmp_server.clone(),
+            current_device.clone(),
+            in_external_route,
+            ip_proxy_map.clone(),
+            client_cipher.clone(),
+            self.server_cipher.clone(),
+            config.parallel,
+        )
+        .await;
 
         //外部数据接收处理
-        let channel_recv_handler = ChannelDataHandler::new(current_device.clone(), device_list.clone(),
-                                                           register.clone(), nat_test.clone(), igmp_server,
-                                                           device_writer.clone(), connect_status.clone(),
-                                                           peer_nat_info_map.clone(), ip_proxy_map, out_external_route,
-                                                           cone_sender, symmetric_sender, client_cipher.clone(),
-                                                           self.server_cipher.clone(), self.rsa_cipher.clone(), config.relay, config.token.clone());
+        let channel_recv_handler = ChannelDataHandler::new(
+            current_device.clone(),
+            device_list.clone(),
+            register.clone(),
+            nat_test.clone(),
+            igmp_server,
+            device_writer.clone(),
+            connect_status.clone(),
+            peer_nat_info_map.clone(),
+            ip_proxy_map,
+            out_external_route,
+            cone_sender,
+            symmetric_sender,
+            client_cipher.clone(),
+            self.server_cipher.clone(),
+            self.rsa_cipher.clone(),
+            config.relay,
+            config.token.clone(),
+        );
         {
             let channel = Channel::new(context.clone(), channel_recv_handler);
             let channel_worker = vnt_status_manager.worker("channel_worker");
             let relay = config.relay;
             tokio::spawn(async move {
-                channel.start(channel_worker, tcp, 14, 65, relay, config.parallel).await
+                channel
+                    .start(channel_worker, tcp, 14, 65, relay, config.parallel)
+                    .await
             });
         }
         {
@@ -289,16 +390,45 @@ impl VntUtil {
             let device_list = device_list.clone();
             let current_device = current_device.clone();
             // 定时心跳
-            heartbeat_handler::start_heartbeat(vnt_status_manager.worker("heartbeat"), channel_sender.clone(), device_list.clone(),
-                                               current_device.clone(), config.server_address_str, client_cipher.clone(), self.server_cipher.clone());
+            heartbeat_handler::start_heartbeat(
+                vnt_status_manager.worker("heartbeat"),
+                channel_sender.clone(),
+                device_list.clone(),
+                current_device.clone(),
+                config.server_address_str,
+                client_cipher.clone(),
+                self.server_cipher.clone(),
+            );
             // 空闲检查
-            heartbeat_handler::start_idle(vnt_status_manager.worker("idle"), idle, channel_sender.clone());
+            heartbeat_handler::start_idle(
+                vnt_status_manager.worker("idle"),
+                idle,
+                channel_sender.clone(),
+            );
             if !config.relay {
                 // 打洞处理
-                punch_handler::start(vnt_status_manager.worker("cone_receiver"), cone_receiver, punch.clone(), current_device.clone(), client_cipher.clone());
-                punch_handler::start(vnt_status_manager.worker("symmetric_receiver"), symmetric_receiver, punch, current_device.clone(), client_cipher.clone());
-                tokio::spawn(punch_handler::start_punch(vnt_status_manager.worker("punch_handler"), nat_test,
-                                                        device_list, channel_sender, current_device, client_cipher.clone()));
+                punch_handler::start(
+                    vnt_status_manager.worker("cone_receiver"),
+                    cone_receiver,
+                    punch.clone(),
+                    current_device.clone(),
+                    client_cipher.clone(),
+                );
+                punch_handler::start(
+                    vnt_status_manager.worker("symmetric_receiver"),
+                    symmetric_receiver,
+                    punch,
+                    current_device.clone(),
+                    client_cipher.clone(),
+                );
+                tokio::spawn(punch_handler::start_punch(
+                    vnt_status_manager.worker("punch_handler"),
+                    nat_test,
+                    device_list,
+                    channel_sender,
+                    current_device,
+                    client_cipher.clone(),
+                ));
             }
         }
         {
@@ -367,8 +497,10 @@ impl Vnt {
         self.vnt_status_manager.stop_all();
         self.device_writer.close()?;
         let virtual_gateway = self.current_device.load().virtual_gateway;
-        let _ = std::net::UdpSocket::bind("0.0.0.0:0")?.send_to(&[0],
-                                                                SocketAddr::V4(SocketAddrV4::new(virtual_gateway, 10000)));
+        let _ = std::net::UdpSocket::bind("0.0.0.0:0")?.send_to(
+            &[0],
+            SocketAddr::V4(SocketAddrV4::new(virtual_gateway, 10000)),
+        );
         Ok(())
     }
     pub async fn wait_stop(&mut self) {
@@ -417,18 +549,28 @@ pub struct Config {
     pub finger: bool,
 }
 
-
 impl Config {
-    pub fn new(tap: bool, token: String,
-               device_id: String,
-               name: String,
-               server_address: SocketAddr,
-               server_address_str: String,
-               mut stun_server: Vec<String>,
-               in_ips: Vec<(u32, u32, Ipv4Addr)>, out_ips: Vec<(u32, u32)>,
-               password: Option<String>, simulate_multicast: bool, mtu: Option<u16>, tcp: bool,
-               ip: Option<Ipv4Addr>,
-               relay: bool, server_encrypt: bool, parallel: usize, cipher_model: CipherModel, finger: bool, ) -> Self {
+    pub fn new(
+        tap: bool,
+        token: String,
+        device_id: String,
+        name: String,
+        server_address: SocketAddr,
+        server_address_str: String,
+        mut stun_server: Vec<String>,
+        in_ips: Vec<(u32, u32, Ipv4Addr)>,
+        out_ips: Vec<(u32, u32)>,
+        password: Option<String>,
+        simulate_multicast: bool,
+        mtu: Option<u16>,
+        tcp: bool,
+        ip: Option<Ipv4Addr>,
+        relay: bool,
+        server_encrypt: bool,
+        parallel: usize,
+        cipher_model: CipherModel,
+        finger: bool,
+    ) -> Self {
         for x in stun_server.iter_mut() {
             if !x.contains(":") {
                 x.push_str(":3478");
@@ -456,4 +598,4 @@ impl Config {
             finger,
         }
     }
-}
+}

vnt/src/core/status.rs

@@ -1,7 +1,7 @@
+use crate::util::wait::WaitGroup;
 use std::sync::Arc;
 use tokio::sync::watch;
 use tokio::sync::watch::{Receiver, Sender};
-use crate::util::wait::WaitGroup;
 
 #[derive(Copy, Clone, Eq, PartialEq)]
 pub enum VntStatus {
@@ -49,7 +49,9 @@ impl VntWorker {
                         return;
                     }
                 }
-                Err(_) => { return; }
+                Err(_) => {
+                    return;
+                }
             }
         }
     }

vnt/src/core/sync.rs

@@ -1,11 +1,11 @@
-use std::io;
-use std::ops::Deref;
-use std::time::Duration;
-use tokio::runtime::Runtime;
 use crate::cipher::RsaCipher;
 use crate::core::{Config, Vnt, VntUtil};
 use crate::handle::handshake_handler::HandshakeEnum;
 use crate::handle::registration_handler::{RegResponse, ReqEnum};
+use std::io;
+use std::ops::Deref;
+use std::time::Duration;
+use tokio::runtime::Runtime;
 
 pub struct VntUtilSync {
     vnt_util: VntUtil,
@@ -19,12 +19,11 @@ pub struct VntSync {
 
 impl VntUtilSync {
     pub fn new(config: Config) -> io::Result<VntUtilSync> {
-        let runtime = tokio::runtime::Builder::new_multi_thread().enable_all().build()?;
+        let runtime = tokio::runtime::Builder::new_multi_thread()
+            .enable_all()
+            .build()?;
         let vnt_util = runtime.block_on(VntUtil::new(config))?;
-        Ok(VntUtilSync {
-            vnt_util,
-            runtime,
-        })
+        Ok(VntUtilSync { vnt_util, runtime })
     }
     pub fn connect(&mut self) -> io::Result<()> {
         self.runtime.block_on(self.vnt_util.connect())
@@ -51,13 +50,14 @@ impl VntUtilSync {
         let vnt = runtime.block_on(self.vnt_util.build())?;
         {
             let mut vnt = vnt.clone();
-            std::thread::spawn(move || {
-                runtime.block_on(vnt.wait_stop())
-            });
+            std::thread::spawn(move || runtime.block_on(vnt.wait_stop()));
         }
         Ok(VntSync {
             vnt,
-            runtime: tokio::runtime::Builder::new_current_thread().enable_all().build().unwrap(),
+            runtime: tokio::runtime::Builder::new_current_thread()
+                .enable_all()
+                .build()
+                .unwrap(),
         })
     }
 }
@@ -67,7 +67,8 @@ impl VntSync {
         self.runtime.block_on(self.vnt.wait_stop())
     }
     pub fn wait_stop_ms(&mut self, ms: u64) -> bool {
-        self.runtime.block_on(self.vnt.wait_stop_ms(Duration::from_millis(ms)))
+        self.runtime
+            .block_on(self.vnt.wait_stop_ms(Duration::from_millis(ms)))
     }
 }
 
@@ -77,4 +78,4 @@ impl Deref for VntSync {
     fn deref(&self) -> &Self::Target {
         &self.vnt
     }
-}
+}

vnt/src/external_route/mod.rs

@@ -11,7 +11,7 @@ pub struct ExternalRoute {
 impl ExternalRoute {
     pub fn new(route_table: Vec<(u32, u32, Ipv4Addr)>) -> Self {
         Self {
-            route_table: Arc::new(route_table)
+            route_table: Arc::new(route_table),
         }
     }
     pub fn route(&self, ip: &Ipv4Addr) -> Option<Ipv4Addr> {
@@ -33,7 +33,7 @@ pub struct AllowExternalRoute {
 impl AllowExternalRoute {
     pub fn new(route_table: Vec<(u32, u32)>) -> Self {
         Self {
-            route_table: Arc::new(route_table)
+            route_table: Arc::new(route_table),
         }
     }
     pub fn allow(&self, ip: &Ipv4Addr) -> bool {
@@ -45,4 +45,4 @@ impl AllowExternalRoute {
         }
         false
     }
-}
+}

vnt/src/handle/handshake_handler.rs

@@ -8,9 +8,8 @@ use tokio::net::{TcpStream, UdpSocket};
 use crate::channel::channel::Context;
 use crate::cipher::{Cipher, RsaCipher};
 use crate::proto::message::{HandshakeRequest, HandshakeResponse, SecretHandshakeRequest};
-use crate::protocol::{MAX_TTL, NetPacket, Protocol, service_packet, Version};
 use crate::protocol::body::ENCRYPTION_RESERVED;
-
+use crate::protocol::{service_packet, NetPacket, Protocol, Version, MAX_TTL};
 
 pub enum HandshakeEnum {
     NotSecret,
@@ -36,7 +35,11 @@ fn handshake_request_packet(secret: bool) -> crate::Result<NetPacket<Vec<u8>>> {
     Ok(net_packet)
 }
 
-fn secret_handshake_request_packet(rsa_cipher: &RsaCipher, token: String, key: &[u8]) -> crate::Result<NetPacket<Vec<u8>>> {
+fn secret_handshake_request_packet(
+    rsa_cipher: &RsaCipher,
+    token: String,
+    key: &[u8],
+) -> crate::Result<NetPacket<Vec<u8>>> {
     let mut request = SecretHandshakeRequest::new();
     request.token = token;
     request.key = key.to_vec();
@@ -52,16 +55,25 @@ fn secret_handshake_request_packet(rsa_cipher: &RsaCipher, token: String, key: &
 }
 
 /// 第一次握手，拿到公钥
-pub async fn handshake(main_channel: &UdpSocket, main_tcp_channel: Option<&mut TcpStream>,
-                       server_address: SocketAddr, secret: bool) -> Result<Option<RsaCipher>, HandshakeEnum> {
+pub async fn handshake(
+    main_channel: &UdpSocket,
+    main_tcp_channel: Option<&mut TcpStream>,
+    server_address: SocketAddr,
+    secret: bool,
+) -> Result<Option<RsaCipher>, HandshakeEnum> {
     let request_packet = handshake_request_packet(secret).unwrap();
     let send_buf = request_packet.buffer();
     let mut recv_buf = [0u8; 10240];
-    let len = send_recv(main_channel, main_tcp_channel, server_address, send_buf, &mut recv_buf).await?;
+    let len = send_recv(
+        main_channel,
+        main_tcp_channel,
+        server_address,
+        send_buf,
+        &mut recv_buf,
+    )
+    .await?;
     let net_packet = match NetPacket::new(&recv_buf[..len]) {
-        Ok(net_packet) => {
-            net_packet
-        }
+        Ok(net_packet) => net_packet,
         Err(e) => {
             return Err(HandshakeEnum::Other(format!("net_packet {}", e)));
         }
@@ -77,23 +89,31 @@ pub async fn handshake(main_channel: &UdpSocket, main_tcp_channel: Option<&mut T
                                 return Err(HandshakeEnum::NotSecret);
                             }
                             if secret {
-                                //转换公钥 
+                                //转换公钥
                                 match RsaCipher::new(&response.public_key) {
                                     Ok(rsa) => {
                                         match rsa.finger() {
                                             Ok(finger) => {
                                                 if finger != response.key_finger {
-                                                    return Err(HandshakeEnum::Other("finger error".to_string()));
+                                                    return Err(HandshakeEnum::Other(
+                                                        "finger error".to_string(),
+                                                    ));
                                                 }
                                             }
                                             Err(e) => {
-                                                return Err(HandshakeEnum::Other(format!("finger {}", e)));
+                                                return Err(HandshakeEnum::Other(format!(
+                                                    "finger {}",
+                                                    e
+                                                )));
                                             }
                                         }
                                         Ok(Some(rsa))
                                     }
                                     Err(e) => {
-                                        return Err(HandshakeEnum::Other(format!("RsaCipher {}", e)));
+                                        return Err(HandshakeEnum::Other(format!(
+                                            "RsaCipher {}",
+                                            e
+                                        )));
                                     }
                                 }
                             } else {
@@ -116,8 +136,13 @@ pub async fn handshake(main_channel: &UdpSocket, main_tcp_channel: Option<&mut T
     }
 }
 
-async fn send_recv(main_channel: &UdpSocket, main_tcp_channel: Option<&mut TcpStream>,
-                   server_address: SocketAddr, send_buf: &[u8], recv_buf: &mut [u8]) -> Result<usize, HandshakeEnum> {
+async fn send_recv(
+    main_channel: &UdpSocket,
+    main_tcp_channel: Option<&mut TcpStream>,
+    server_address: SocketAddr,
+    send_buf: &[u8],
+    recv_buf: &mut [u8],
+) -> Result<usize, HandshakeEnum> {
     if let Some(main_tcp_channel) = main_tcp_channel {
         let mut head = [0; 4];
         let len = send_buf.len();
@@ -144,20 +169,20 @@ async fn send_recv(main_channel: &UdpSocket, main_tcp_channel: Option<&mut TcpSt
         if let Err(e) = main_channel.send_to(send_buf, server_address).await {
             return Err(HandshakeEnum::Other(format!("send error:{}", e)));
         }
-        match tokio::time::timeout(Duration::from_millis(300), main_channel.recv_from(recv_buf)).await {
-            Ok(rs) => {
-                match rs {
-                    Ok((len, addr)) => {
-                        if server_address != addr {
-                            return Err(HandshakeEnum::Other(format!("invalid data,from {}", addr)));
-                        }
-                        Ok(len)
-                    }
-                    Err(e) => {
-                        return Err(HandshakeEnum::Other(format!("receiver error:{}", e)));
+        match tokio::time::timeout(Duration::from_millis(300), main_channel.recv_from(recv_buf))
+            .await
+        {
+            Ok(rs) => match rs {
+                Ok((len, addr)) => {
+                    if server_address != addr {
+                        return Err(HandshakeEnum::Other(format!("invalid data,from {}", addr)));
                     }
+                    Ok(len)
                 }
-            }
+                Err(e) => {
+                    return Err(HandshakeEnum::Other(format!("receiver error:{}", e)));
+                }
+            },
             Err(_) => {
                 return Err(HandshakeEnum::Timeout);
             }
@@ -166,48 +191,72 @@ async fn send_recv(main_channel: &UdpSocket, main_tcp_channel: Option<&mut TcpSt
 }
 
 /// 第二次握手，同步对称密钥，后续将使用对称加密
-pub async fn secret_handshake(main_channel: &UdpSocket, main_tcp_channel: Option<&mut TcpStream>,
-                              server_address: SocketAddr, rsa_cipher: &RsaCipher, server_cipher: &Cipher, token: String)
-                              -> Result<(), HandshakeEnum> {
-    let secret_packet = match secret_handshake_request_packet(rsa_cipher, token, server_cipher.key().unwrap()) {
-        Ok(secret_packet) => {
-            secret_packet
-        }
-        Err(e) => {
-            return Err(HandshakeEnum::Other(format!("secret_handshake_request_packet {}", e)));
-        }
-    };
+pub async fn secret_handshake(
+    main_channel: &UdpSocket,
+    main_tcp_channel: Option<&mut TcpStream>,
+    server_address: SocketAddr,
+    rsa_cipher: &RsaCipher,
+    server_cipher: &Cipher,
+    token: String,
+) -> Result<(), HandshakeEnum> {
+    let secret_packet =
+        match secret_handshake_request_packet(rsa_cipher, token, server_cipher.key().unwrap()) {
+            Ok(secret_packet) => secret_packet,
+            Err(e) => {
+                return Err(HandshakeEnum::Other(format!(
+                    "secret_handshake_request_packet {}",
+                    e
+                )));
+            }
+        };
     let send_buf = secret_packet.buffer();
     let mut recv_buf = [0u8; 10240];
-    let len = send_recv(main_channel, main_tcp_channel, server_address, send_buf, &mut recv_buf).await?;
+    let len = send_recv(
+        main_channel,
+        main_tcp_channel,
+        server_address,
+        send_buf,
+        &mut recv_buf,
+    )
+    .await?;
     let mut net_packet = match NetPacket::new(&mut recv_buf[..len]) {
-        Ok(net_packet) => { net_packet }
+        Ok(net_packet) => net_packet,
         Err(e) => {
             return Err(HandshakeEnum::Other(format!("secret_net_packet {}", e)));
         }
     };
     match server_cipher.decrypt_ipv4(&mut net_packet) {
         Ok(_) => {
-            if net_packet.is_gateway() && net_packet.protocol() == Protocol::Service
-                && service_packet::Protocol::from(net_packet.transport_protocol()) ==
-                service_packet::Protocol::SecretHandshakeResponse {
+            if net_packet.is_gateway()
+                && net_packet.protocol() == Protocol::Service
+                && service_packet::Protocol::from(net_packet.transport_protocol())
+                    == service_packet::Protocol::SecretHandshakeResponse
+            {
                 Ok(())
             } else {
                 Err(HandshakeEnum::Other("not match".to_string()))
             }
         }
-        Err(e) => {
-            Err(HandshakeEnum::Other(format!("decrypt_ipv4 {}", e)))
-        }
+        Err(e) => Err(HandshakeEnum::Other(format!("decrypt_ipv4 {}", e))),
     }
 }
 
-pub async fn secret_handshake_req(context: &Context,
-                                  server_address: SocketAddr, rsa_cipher: &RsaCipher, server_cipher: &Cipher, token: String, ) -> crate::Result<()> {
-    let secret_packet = secret_handshake_request_packet(rsa_cipher, token, server_cipher.key().unwrap())?;
-    context.send_main(secret_packet.buffer(), server_address).await?;
-    if context.is_main_tcp(){
-        context.send_main_udp(secret_packet.buffer(),server_address).await?;
+pub async fn secret_handshake_req(
+    context: &Context,
+    server_address: SocketAddr,
+    rsa_cipher: &RsaCipher,
+    server_cipher: &Cipher,
+    token: String,
+) -> crate::Result<()> {
+    let secret_packet =
+        secret_handshake_request_packet(rsa_cipher, token, server_cipher.key().unwrap())?;
+    context
+        .send_main(secret_packet.buffer(), server_address)
+        .await?;
+    if context.is_main_tcp() {
+        context
+            .send_main_udp(secret_packet.buffer(), server_address)
+            .await?;
     }
     Ok(())
 }

vnt/src/handle/heartbeat_handler.rs

@@ -1,22 +1,21 @@
+use std::io;
 use std::net::{Ipv4Addr, ToSocketAddrs};
 use std::sync::Arc;
 use std::time::Duration;
-use std::io;
 
+use crate::channel::idle::Idle;
+use crate::channel::sender::ChannelSender;
+use crate::channel::Route;
+use crate::cipher::Cipher;
+use crate::core::status::VntWorker;
 use crossbeam_utils::atomic::AtomicCell;
 use parking_lot::Mutex;
 use rand::prelude::SliceRandom;
-use crate::channel::idle::Idle;
-use crate::channel::Route;
-use crate::channel::sender::ChannelSender;
-use crate::cipher::Cipher;
-use crate::core::status::VntWorker;
-
 
 use crate::handle::{CurrentDeviceInfo, PeerDeviceInfo};
-use crate::protocol::control_packet::PingPacket;
-use crate::protocol::{control_packet, MAX_TTL, NetPacket, Protocol, Version};
 use crate::protocol::body::ENCRYPTION_RESERVED;
+use crate::protocol::control_packet::PingPacket;
+use crate::protocol::{control_packet, NetPacket, Protocol, Version, MAX_TTL};
 
 pub fn start_idle(mut worker: VntWorker, idle: Idle, sender: ChannelSender) {
     tokio::spawn(async move {
@@ -38,11 +37,7 @@ async fn start_idle_(idle: Idle, sender: ChannelSender) -> io::Result<()> {
     log::info!("启动空闲检查任务");
     loop {
         let (peer_ip, route) = idle.next_idle().await?;
-        log::info!(
-            "peer_ip:{:?},route:{:?}",
-            peer_ip,
-            route
-        );
+        log::info!("peer_ip:{:?},route:{:?}", peer_ip, route);
         sender.remove_route(&peer_ip, route);
     }
 }
@@ -71,8 +66,15 @@ pub fn start_heartbeat(
     });
 }
 
-
-fn heartbeat_packet(ttl: u8, device_list: &Mutex<(u16, Vec<PeerDeviceInfo>)>, client_cipher: &Cipher, server_cipher: &Cipher, gateway: bool, src: Ipv4Addr, dest: Ipv4Addr) -> NetPacket<[u8; 48]> {
+fn heartbeat_packet(
+    ttl: u8,
+    device_list: &Mutex<(u16, Vec<PeerDeviceInfo>)>,
+    client_cipher: &Cipher,
+    server_cipher: &Cipher,
+    gateway: bool,
+    src: Ipv4Addr,
+    dest: Ipv4Addr,
+) -> NetPacket<[u8; 48]> {
     let mut net_packet = NetPacket::new_encrypt([0u8; 12 + 4 + ENCRYPTION_RESERVED]).unwrap();
     net_packet.set_version(Version::V1);
     net_packet.set_protocol(Protocol::Control);
@@ -116,14 +118,14 @@ async fn start_heartbeat_(
             packet.set_version(Version::V1);
             packet.set_gateway_flag(true);
             packet.set_protocol(Protocol::Control);
-            packet.set_transport_protocol(
-                control_packet::Protocol::AddrRequest.into(),
-            );
+            packet.set_transport_protocol(control_packet::Protocol::AddrRequest.into());
             packet.first_set_ttl(MAX_TTL);
             packet.set_source(current_dev.virtual_ip());
             packet.set_destination(current_dev.virtual_gateway);
             server_cipher.encrypt_ipv4(&mut packet)?;
-            let _ = sender.send_main_udp(packet.buffer(), current_dev.connect_server).await;
+            let _ = sender
+                .send_main_udp(packet.buffer(), current_dev.connect_server)
+                .await;
         }
         if count % 20 == 19 {
             if let Ok(mut addr) = server_address_str.to_socket_addrs() {
@@ -131,7 +133,11 @@ async fn start_heartbeat_(
                     if addr != current_dev.connect_server {
                         let mut tmp = current_dev.clone();
                         tmp.connect_server = addr;
-                        log::info!("服务端地址变化,旧地址:{}，新地址:{}",current_dev.connect_server,addr);
+                        log::info!(
+                            "服务端地址变化,旧地址:{}，新地址:{}",
+                            current_dev.connect_server,
+                            addr
+                        );
                         if current_device.compare_exchange(current_dev, tmp).is_ok() {
                             current_dev.connect_server = addr;
                         }
@@ -140,14 +146,20 @@ async fn start_heartbeat_(
             }
         }
         let src = current_dev.virtual_ip();
-        let server_packet = heartbeat_packet(MAX_TTL, &device_list, &client_cipher, &server_cipher, true, src, current_dev.virtual_gateway);
-        if let Err(e) = sender.send_main(server_packet.buffer(), current_dev.connect_server).await
+        let server_packet = heartbeat_packet(
+            MAX_TTL,
+            &device_list,
+            &client_cipher,
+            &server_cipher,
+            true,
+            src,
+            current_dev.virtual_gateway,
+        );
+        if let Err(e) = sender
+            .send_main(server_packet.buffer(), current_dev.connect_server)
+            .await
         {
-            log::warn!(
-                    "connect_server:{:?},e:{:?}",
-                    current_dev.connect_server,
-                    e
-                );
+            log::warn!("connect_server:{:?},e:{:?}", current_dev.connect_server, e);
         }
         if count < 7 || count % 7 == 0 {
             let mut route_list: Option<Vec<(Ipv4Addr, Vec<Route>)>> = None;
@@ -156,15 +168,27 @@ async fn start_heartbeat_(
                 if peer.virtual_ip == current_dev.virtual_ip {
                     continue;
                 }
-                let client_packet = heartbeat_packet(MAX_TTL, &device_list, &client_cipher, &server_cipher, false, src, peer.virtual_ip);
+                let client_packet = heartbeat_packet(
+                    MAX_TTL,
+                    &device_list,
+                    &client_cipher,
+                    &server_cipher,
+                    false,
+                    src,
+                    peer.virtual_ip,
+                );
                 if let Some(route) = sender.route_one(&peer.virtual_ip) {
-                    let _ = sender.send_by_key(client_packet.buffer(), &route.route_key()).await;
+                    let _ = sender
+                        .send_by_key(client_packet.buffer(), &route.route_key())
+                        .await;
                     if route.is_p2p() {
                         continue;
                     }
                 } else {
                     //没有直连路由则发送到网关
-                    let _ = sender.send_main(client_packet.buffer(), current_dev.connect_server).await;
+                    let _ = sender
+                        .send_main(client_packet.buffer(), current_dev.connect_server)
+                        .await;
                 }
 
                 //再随机发送到其他地址，看有没有客户端符合转发条件
@@ -177,7 +201,8 @@ async fn start_heartbeat_(
                 'a: for (peer_ip, route_list) in route_list.iter() {
                     for route in route_list {
                         if peer_ip != &peer.virtual_ip && route.is_p2p() {
-                            let _ = sender.try_send_by_key(client_packet.buffer(), &route.route_key());
+                            let _ =
+                                sender.try_send_by_key(client_packet.buffer(), &route.route_key());
                             num += 1;
                             break;
                         }
@@ -193,9 +218,20 @@ async fn start_heartbeat_(
                 if peer_ip == &current_dev.virtual_gateway {
                     continue;
                 }
-                let client_packet = heartbeat_packet(MAX_TTL, &device_list, &client_cipher, &server_cipher, false, src, *peer_ip);
+                let client_packet = heartbeat_packet(
+                    MAX_TTL,
+                    &device_list,
+                    &client_cipher,
+                    &server_cipher,
+                    false,
+                    src,
+                    *peer_ip,
+                );
                 for route in route_list {
-                    if let Err(e) = sender.send_by_key(client_packet.buffer(), &route.route_key()).await {
+                    if let Err(e) = sender
+                        .send_by_key(client_packet.buffer(), &route.route_key())
+                        .await
+                    {
                         log::warn!("peer_ip:{:?},route:{:?},e:{:?}", peer_ip, route, e);
                     }
                     tokio::time::sleep(Duration::from_millis(2)).await;

vnt/src/handle/mod.rs

@@ -31,17 +31,17 @@ pub struct PeerDeviceInfo {
 }
 
 impl PeerDeviceInfo {
-    pub fn new(virtual_ip: Ipv4Addr, name: String, status: u8,client_secret: bool) -> Self {
+    pub fn new(virtual_ip: Ipv4Addr, name: String, status: u8, client_secret: bool) -> Self {
         Self {
             virtual_ip,
             name,
             status: PeerDeviceStatus::from(status),
-            client_secret
+            client_secret,
         }
     }
 }
 
-#[derive(Copy, Clone, Debug, Eq, PartialEq,Ord, PartialOrd)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd)]
 pub enum PeerDeviceStatus {
     Online,
     Offline,
@@ -82,7 +82,6 @@ pub struct CurrentDeviceInfo {
     pub broadcast_address: Ipv4Addr,
     //链接的服务器地址
     pub connect_server: SocketAddr,
-
 }
 
 impl CurrentDeviceInfo {

vnt/src/handle/punch_handler.rs

@@ -1,25 +1,29 @@
+use crate::channel::punch::{NatInfo, Punch};
+use crate::channel::sender::ChannelSender;
+use crate::cipher::Cipher;
+use crate::core::status::VntWorker;
 use crate::handle::{CurrentDeviceInfo, PeerDeviceInfo};
 use crate::nat::NatTest;
 use crate::proto::message::{PunchInfo, PunchNatType};
+use crate::protocol::body::ENCRYPTION_RESERVED;
 use crate::protocol::{control_packet, other_turn_packet, NetPacket, Protocol, Version, MAX_TTL};
 use crossbeam_utils::atomic::AtomicCell;
 use parking_lot::Mutex;
 use protobuf::Message;
 use rand::prelude::SliceRandom;
+use std::io;
 use std::net::Ipv4Addr;
 use std::sync::Arc;
 use std::time::Duration;
-use std::io;
 use tokio::sync::mpsc::Receiver;
-use crate::channel::punch::{NatInfo, Punch};
-use crate::channel::sender::ChannelSender;
-use crate::cipher::Cipher;
-use crate::core::status::VntWorker;
-use crate::protocol::body::ENCRYPTION_RESERVED;
 
-pub fn start(mut worker: VntWorker, receiver: Receiver<(Ipv4Addr, NatInfo)>,
-             punch: Punch, current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-             client_cipher: Cipher, ) {
+pub fn start(
+    mut worker: VntWorker,
+    receiver: Receiver<(Ipv4Addr, NatInfo)>,
+    punch: Punch,
+    current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+    client_cipher: Cipher,
+) {
     tokio::spawn(async move {
         tokio::select! {
             _=start0(receiver, punch, current_device,client_cipher)=>{}
@@ -31,12 +35,23 @@ pub fn start(mut worker: VntWorker, receiver: Receiver<(Ipv4Addr, NatInfo)>,
     });
 }
 
-pub async fn start0(mut receiver: Receiver<(Ipv4Addr, NatInfo)>,
-                    mut punch: Punch, current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-                    client_cipher: Cipher, ) {
+pub async fn start0(
+    mut receiver: Receiver<(Ipv4Addr, NatInfo)>,
+    mut punch: Punch,
+    current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+    client_cipher: Cipher,
+) {
     log::info!("启动打洞任务");
     while let Some((peer_ip, nat_info)) = receiver.recv().await {
-        if let Err(e) = start_(&client_cipher, &mut punch, &current_device, peer_ip, nat_info).await {
+        if let Err(e) = start_(
+            &client_cipher,
+            &mut punch,
+            &current_device,
+            peer_ip,
+            nat_info,
+        )
+        .await
+        {
             log::warn!("网络打洞异常 {:?}", e);
         }
     }
@@ -115,8 +130,15 @@ async fn start_punch_(
         if count > 2 {
             break;
         }
-        let packet = punch_packet(client_cipher, current_device.virtual_ip(), &nat_info, info.virtual_ip)?;
-        let _ = sender.send_main(packet.buffer(), current_device.connect_server).await;
+        let packet = punch_packet(
+            client_cipher,
+            current_device.virtual_ip(),
+            &nat_info,
+            info.virtual_ip,
+        )?;
+        let _ = sender
+            .send_main(packet.buffer(), current_device.connect_server)
+            .await;
     }
     tokio::time::sleep(sleep_time).await;
     Ok(())

vnt/src/handle/recv_handler.rs

@@ -7,29 +7,32 @@ use parking_lot::Mutex;
 use protobuf::Message;
 use tokio::sync::mpsc::Sender;
 
-use packet::icmp::{icmp, Kind};
 use packet::icmp::icmp::HeaderOther;
+use packet::icmp::{icmp, Kind};
 use packet::ip::ipv4;
 use packet::ip::ipv4::packet::IpV4Packet;
 
-use crate::channel::{Route, RouteKey};
 use crate::channel::channel::Context;
 use crate::channel::punch::{NatInfo, NatType};
+use crate::channel::{Route, RouteKey};
 use crate::cipher::{Cipher, RsaCipher};
 use crate::error::Error;
 use crate::external_route::AllowExternalRoute;
-use crate::handle::{ConnectStatus, CurrentDeviceInfo, PeerDeviceInfo, PeerDeviceStatus};
 use crate::handle::handshake_handler::secret_handshake_req;
 use crate::handle::registration_handler::Register;
+use crate::handle::{ConnectStatus, CurrentDeviceInfo, PeerDeviceInfo, PeerDeviceStatus};
 use crate::igmp_server::IgmpServer;
 use crate::ip_proxy::IpProxyMap;
 use crate::nat;
 use crate::nat::NatTest;
 use crate::proto::message::{DeviceList, PunchInfo, PunchNatType, RegistrationResponse};
-use crate::protocol::{control_packet, ip_turn_packet, MAX_TTL, NetPacket, other_turn_packet, Protocol, service_packet, Version};
 use crate::protocol::body::ENCRYPTION_RESERVED;
 use crate::protocol::control_packet::ControlPacket;
 use crate::protocol::error_packet::InErrorPacket;
+use crate::protocol::{
+    control_packet, ip_turn_packet, other_turn_packet, service_packet, NetPacket, Protocol,
+    Version, MAX_TTL,
+};
 use crate::tun_tap_device::DeviceWriter;
 
 #[derive(Clone)]
@@ -54,22 +57,25 @@ pub struct ChannelDataHandler {
 }
 
 impl ChannelDataHandler {
-    pub fn new(current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-               device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>>,
-               register: Arc<Register>,
-               nat_test: NatTest,
-               igmp_server: Option<IgmpServer>,
-               device_writer: DeviceWriter,
-               connect_status: Arc<AtomicCell<ConnectStatus>>,
-               peer_nat_info_map: Arc<DashMap<Ipv4Addr, NatInfo>>,
-               ip_proxy_map: Option<IpProxyMap>,
-               out_external_route: AllowExternalRoute,
-               cone_sender: Sender<(Ipv4Addr, NatInfo)>,
-               symmetric_sender: Sender<(Ipv4Addr, NatInfo)>,
-               client_cipher: Cipher,
-               server_cipher: Cipher,
-               rsa_cipher: Option<RsaCipher>,
-               relay: bool, token: String, ) -> Self {
+    pub fn new(
+        current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+        device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>>,
+        register: Arc<Register>,
+        nat_test: NatTest,
+        igmp_server: Option<IgmpServer>,
+        device_writer: DeviceWriter,
+        connect_status: Arc<AtomicCell<ConnectStatus>>,
+        peer_nat_info_map: Arc<DashMap<Ipv4Addr, NatInfo>>,
+        ip_proxy_map: Option<IpProxyMap>,
+        out_external_route: AllowExternalRoute,
+        cone_sender: Sender<(Ipv4Addr, NatInfo)>,
+        symmetric_sender: Sender<(Ipv4Addr, NatInfo)>,
+        client_cipher: Cipher,
+        server_cipher: Cipher,
+        rsa_cipher: Option<RsaCipher>,
+        relay: bool,
+        token: String,
+    ) -> Self {
         Self {
             current_device,
             device_list,
@@ -92,18 +98,29 @@ impl ChannelDataHandler {
     }
 }
 
-
 impl ChannelDataHandler {
-    pub async fn handle(&self, buf: &mut [u8], start: usize, end: usize, route_key: RouteKey, context: &Context) {
+    pub async fn handle(
+        &self,
+        buf: &mut [u8],
+        start: usize,
+        end: usize,
+        route_key: RouteKey,
+        context: &Context,
+    ) {
         assert_eq!(start, 14);
         match self.handle0(&mut buf[..end], &route_key, context).await {
             Ok(_) => {}
             Err(e) => {
-                log::warn!("{:?}",e);
+                log::warn!("{:?}", e);
             }
         }
     }
-    async fn handle0(&self, buf: &mut [u8], route_key: &RouteKey, context: &Context) -> crate::Result<()> {
+    async fn handle0(
+        &self,
+        buf: &mut [u8],
+        route_key: &RouteKey,
+        context: &Context,
+    ) -> crate::Result<()> {
         let mut net_packet = NetPacket::new(&mut buf[14..])?;
         if net_packet.ttl() == 0 || net_packet.source_ttl() < net_packet.ttl() {
             return Ok(());
@@ -112,9 +129,13 @@ impl ChannelDataHandler {
         context.update_read_time(&source, route_key);
         let current_device = self.current_device.load();
         let destination = net_packet.destination();
-        let not_broadcast = !destination.is_broadcast() && !destination.is_multicast() && destination != current_device.broadcast_address;
+        let not_broadcast = !destination.is_broadcast()
+            && !destination.is_multicast()
+            && destination != current_device.broadcast_address;
         if current_device.virtual_ip() != destination
-            && not_broadcast && !destination.is_unspecified() {
+            && not_broadcast
+            && !destination.is_unspecified()
+        {
             //校验指纹，不需要解密
             self.client_cipher.check_finger(&net_packet)?;
             net_packet.set_ttl(net_packet.ttl() - 1);
@@ -123,26 +144,42 @@ impl ChannelDataHandler {
                 // 转发
                 if let Some(route) = context.route_one(&destination) {
                     if route.metric <= net_packet.ttl() {
-                        context.send_by_key(net_packet.buffer(), &route.route_key()).await?;
+                        context
+                            .send_by_key(net_packet.buffer(), &route.route_key())
+                            .await?;
                     }
                 } else if (ttl > 1 || destination == current_device.virtual_gateway())
-                    && source != current_device.virtual_gateway() {
+                    && source != current_device.virtual_gateway()
+                {
                     //网关默认要转发一次，生存时间不够的发到网关也会被丢弃
-                    context.send_main(net_packet.buffer(), current_device.connect_server).await?;
+                    context
+                        .send_main(net_packet.buffer(), current_device.connect_server)
+                        .await?;
                 }
             }
             return Ok(());
         }
         if net_packet.is_gateway() {
-            if net_packet.protocol() == Protocol::Error && net_packet.transport_protocol() == crate::protocol::error_packet::Protocol::NoKey.into() {
+            if net_packet.protocol() == Protocol::Error
+                && net_packet.transport_protocol()
+                    == crate::protocol::error_packet::Protocol::NoKey.into()
+            {
                 if let Some(rsa_cipher) = &self.rsa_cipher {
-                    secret_handshake_req(context, current_device.connect_server, rsa_cipher, &self.server_cipher, self.token.clone()).await?;
+                    secret_handshake_req(
+                        context,
+                        current_device.connect_server,
+                        rsa_cipher,
+                        &self.server_cipher,
+                        self.token.clone(),
+                    )
+                    .await?;
                 }
             } else {
                 //服务端解密
                 self.server_cipher.decrypt_ipv4(&mut net_packet)?;
                 let data_len = net_packet.data_len();
-                self.server_packet_handle(context, current_device, buf, data_len, route_key).await?;
+                self.server_packet_handle(context, current_device, buf, data_len, route_key)
+                    .await?;
             }
             return Ok(());
         }
@@ -161,7 +198,8 @@ impl ChannelDataHandler {
                             }
                             ipv4::protocol::Protocol::Icmp => {
                                 if ipv4.destination_ip() == destination {
-                                    let mut icmp_packet = icmp::IcmpPacket::new(ipv4.payload_mut())?;
+                                    let mut icmp_packet =
+                                        icmp::IcmpPacket::new(ipv4.payload_mut())?;
                                     if icmp_packet.kind() == Kind::EchoRequest {
                                         //开启ping
                                         icmp_packet.set_kind(Kind::EchoReply);
@@ -187,56 +225,81 @@ impl ChannelDataHandler {
                                         ipv4::protocol::Protocol::Tcp => {
                                             let dest_ip = ipv4.destination_ip();
                                             //转发到代理目标地址
-                                            let mut tcp_packet = packet::tcp::tcp::TcpPacket::new(source, destination, ipv4.payload_mut())?;
+                                            let mut tcp_packet = packet::tcp::tcp::TcpPacket::new(
+                                                source,
+                                                destination,
+                                                ipv4.payload_mut(),
+                                            )?;
                                             let source_port = tcp_packet.source_port();
                                             let dest_port = tcp_packet.destination_port();
-                                            tcp_packet.set_destination_port(ip_proxy_map.tcp_proxy_port);
+                                            tcp_packet
+                                                .set_destination_port(ip_proxy_map.tcp_proxy_port);
                                             tcp_packet.update_checksum();
                                             ipv4.set_destination_ip(destination);
                                             ipv4.update_checksum();
                                             let key = SocketAddrV4::new(source, source_port);
                                             //https://github.com/crossbeam-rs/crossbeam/issues/1023
-                                            ip_proxy_map.tcp_proxy_map.insert(key, SocketAddrV4::new(dest_ip, dest_port));
+                                            ip_proxy_map
+                                                .tcp_proxy_map
+                                                .insert(key, SocketAddrV4::new(dest_ip, dest_port));
                                         }
                                         ipv4::protocol::Protocol::Udp => {
                                             let dest_ip = ipv4.destination_ip();
                                             //转发到代理目标地址
-                                            let mut udp_packet = packet::udp::udp::UdpPacket::new(source, destination, ipv4.payload_mut())?;
+                                            let mut udp_packet = packet::udp::udp::UdpPacket::new(
+                                                source,
+                                                destination,
+                                                ipv4.payload_mut(),
+                                            )?;
                                             let source_port = udp_packet.source_port();
                                             let dest_port = udp_packet.destination_port();
-                                            udp_packet.set_destination_port(ip_proxy_map.udp_proxy_port);
+                                            udp_packet
+                                                .set_destination_port(ip_proxy_map.udp_proxy_port);
                                             udp_packet.update_checksum();
                                             ipv4.set_destination_ip(destination);
                                             ipv4.update_checksum();
                                             let key = SocketAddrV4::new(source, source_port);
-                                            ip_proxy_map.udp_proxy_map.insert(key, SocketAddrV4::new(dest_ip, dest_port));
+                                            ip_proxy_map
+                                                .udp_proxy_map
+                                                .insert(key, SocketAddrV4::new(dest_ip, dest_port));
                                         }
                                         ipv4::protocol::Protocol::Icmp => {
                                             let dest_ip = ipv4.destination_ip();
                                             //转发到代理目标地址
-                                            let icmp_packet = icmp::IcmpPacket::new(ipv4.payload())?;
+                                            let icmp_packet =
+                                                icmp::IcmpPacket::new(ipv4.payload())?;
                                             match icmp_packet.header_other() {
                                                 HeaderOther::Identifier(id, seq) => {
-                                                    ip_proxy_map.icmp_proxy_map.insert((dest_ip, id, seq), source);
-                                                    ip_proxy_map.send_icmp(ipv4.payload(), &dest_ip)?;
+                                                    ip_proxy_map
+                                                        .icmp_proxy_map
+                                                        .insert((dest_ip, id, seq), source);
+                                                    ip_proxy_map
+                                                        .send_icmp(ipv4.payload(), &dest_ip)?;
                                                 }
                                                 _ => {
-                                                    log::warn!("不支持的ip代理Icmp协议:{}",destination);
-                                                    return Err(Error::Warn("不支持的ip代理Icmp协议".to_string()));
+                                                    log::warn!(
+                                                        "不支持的ip代理Icmp协议:{}",
+                                                        destination
+                                                    );
+                                                    return Err(Error::Warn(
+                                                        "不支持的ip代理Icmp协议".to_string(),
+                                                    ));
                                                 }
                                             }
                                         }
                                         _ => {
-                                            log::warn!("不支持的ip代理ipv4协议:{}",destination);
-                                            return Err(Error::Warn("不支持的ip代理ipv4协议".to_string()));
+                                            log::warn!("不支持的ip代理ipv4协议:{}", destination);
+                                            return Err(Error::Warn(
+                                                "不支持的ip代理ipv4协议".to_string(),
+                                            ));
                                         }
                                     }
                                 } else {
-                                    log::warn!("没有ip代理规则:{}",destination);
+                                    log::warn!("没有ip代理规则:{}", destination);
                                     return Err(Error::Warn("没有ip代理规则".to_string()));
                                 }
                             } else {
-                                log::warn!("不支持ip代理:{}",destination);
+                                log::warn!("不支持ip代理:{}", destination);
                                 return Err(Error::Warn("不支持ip代理".to_string()));
                             }
                         }
@@ -254,19 +317,30 @@ impl ChannelDataHandler {
             Protocol::Service => {}
             Protocol::Error => {}
             Protocol::Control => {
-                self.control(context, current_device, source, net_packet, route_key).await?;
+                self.control(context, current_device, source, net_packet, route_key)
+                    .await?;
             }
             Protocol::OtherTurn => {
-                self.other_turn(context, current_device, source, net_packet, route_key).await?;
+                self.other_turn(context, current_device, source, net_packet, route_key)
+                    .await?;
             }
             Protocol::UnKnow(e) => {
-                log::info!("不支持的协议:{}",e);
+                log::info!("不支持的协议:{}", e);
             }
         }
         Ok(())
     }
 
-    async fn pong_packet(&self, gateway: bool, metric: u8, context: &Context, current_device: CurrentDeviceInfo, source: Ipv4Addr, pong_packet: control_packet::PongPacket<&[u8]>, route_key: &RouteKey) -> crate::Result<()> {
+    async fn pong_packet(
+        &self,
+        gateway: bool,
+        metric: u8,
+        context: &Context,
+        current_device: CurrentDeviceInfo,
+        source: Ipv4Addr,
+        pong_packet: control_packet::PongPacket<&[u8]>,
+        route_key: &RouteKey,
+    ) -> crate::Result<()> {
         let current_time = crate::handle::now_time() as u16;
         if current_time < pong_packet.time() {
             return Ok(());
@@ -286,12 +360,21 @@ impl ChannelDataHandler {
                 poll_device.set_protocol(Protocol::Service);
                 poll_device.set_transport_protocol(service_packet::Protocol::PollDeviceList.into());
                 self.server_cipher.encrypt_ipv4(&mut poll_device)?;
-                context.send_main(poll_device.buffer(), current_device.connect_server).await?;
+                context
+                    .send_main(poll_device.buffer(), current_device.connect_server)
+                    .await?;
             }
         }
         Ok(())
     }
-    async fn control(&self, context: &Context, current_device: CurrentDeviceInfo, source: Ipv4Addr, mut net_packet: NetPacket<&mut [u8]>, route_key: &RouteKey) -> crate::Result<()> {
+    async fn control(
+        &self,
+        context: &Context,
+        current_device: CurrentDeviceInfo,
+        source: Ipv4Addr,
+        mut net_packet: NetPacket<&mut [u8]>,
+        route_key: &RouteKey,
+    ) -> crate::Result<()> {
         let metric = net_packet.source_ttl() - net_packet.ttl() + 1;
         match ControlPacket::new(net_packet.transport_protocol(), net_packet.payload())? {
             ControlPacket::PingPacket(_) => {
@@ -305,7 +388,16 @@ impl ChannelDataHandler {
                 context.add_route_if_absent(source, route);
             }
             ControlPacket::PongPacket(pong_packet) => {
-                self.pong_packet(false, metric, context, current_device, source, pong_packet, route_key).await?;
+                self.pong_packet(
+                    false,
+                    metric,
+                    context,
+                    current_device,
+                    source,
+                    pong_packet,
+                    route_key,
+                )
+                .await?;
             }
             ControlPacket::PunchRequest => {
                 if self.relay {
@@ -328,49 +420,61 @@ impl ChannelDataHandler {
                 let route = Route::from(*route_key, 1, 199);
                 context.add_route_if_absent(source, route);
             }
-            ControlPacket::AddrRequest => {
-                match route_key.addr.ip() {
-                    std::net::IpAddr::V4(ipv4) => {
-                        let mut packet = NetPacket::new_encrypt([0; 12 + 6 + ENCRYPTION_RESERVED])?;
-                        packet.set_version(Version::V1);
-                        packet.set_protocol(Protocol::Control);
-                        packet.set_transport_protocol(
-                            control_packet::Protocol::AddrResponse.into(),
-                        );
-                        packet.first_set_ttl(MAX_TTL);
-                        packet.set_source(current_device.virtual_ip());
-                        packet.set_destination(source);
-                        let mut addr_packet = control_packet::AddrPacket::new(packet.payload_mut())?;
-                        addr_packet.set_ipv4(ipv4);
-                        addr_packet.set_port(route_key.addr.port());
-                        self.client_cipher.encrypt_ipv4(&mut packet)?;
-                        context.send_by_key(packet.buffer(), route_key).await?;
-                    }
-                    std::net::IpAddr::V6(_) => {}
+            ControlPacket::AddrRequest => match route_key.addr.ip() {
+                std::net::IpAddr::V4(ipv4) => {
+                    let mut packet = NetPacket::new_encrypt([0; 12 + 6 + ENCRYPTION_RESERVED])?;
+                    packet.set_version(Version::V1);
+                    packet.set_protocol(Protocol::Control);
+                    packet.set_transport_protocol(control_packet::Protocol::AddrResponse.into());
+                    packet.first_set_ttl(MAX_TTL);
+                    packet.set_source(current_device.virtual_ip());
+                    packet.set_destination(source);
+                    let mut addr_packet = control_packet::AddrPacket::new(packet.payload_mut())?;
+                    addr_packet.set_ipv4(ipv4);
+                    addr_packet.set_port(route_key.addr.port());
+                    self.client_cipher.encrypt_ipv4(&mut packet)?;
+                    context.send_by_key(packet.buffer(), route_key).await?;
                 }
-            }
+                std::net::IpAddr::V6(_) => {}
+            },
             ControlPacket::AddrResponse(addr_packet) => {
                 if !addr_packet.ipv4().is_multicast()
                     && !addr_packet.ipv4().is_broadcast()
                     && !addr_packet.ipv4().is_unspecified()
                     && !addr_packet.ipv4().is_loopback()
-                    && !addr_packet.ipv4().is_private() && addr_packet.port() != 0 {
-                    self.nat_test.update_addr(addr_packet.ipv4(), addr_packet.port())
+                    && !addr_packet.ipv4().is_private()
+                    && addr_packet.port() != 0
+                {
+                    self.nat_test
+                        .update_addr(addr_packet.ipv4(), addr_packet.port())
                 }
             }
         }
         Ok(())
     }
-    async fn other_turn(&self, context: &Context, current_device: CurrentDeviceInfo, source: Ipv4Addr, net_packet: NetPacket<&mut [u8]>, route_key: &RouteKey) -> crate::Result<()> {
+    async fn other_turn(
+        &self,
+        context: &Context,
+        current_device: CurrentDeviceInfo,
+        source: Ipv4Addr,
+        net_packet: NetPacket<&mut [u8]>,
+        route_key: &RouteKey,
+    ) -> crate::Result<()> {
         if self.relay {
             return Ok(());
         }
         match other_turn_packet::Protocol::from(net_packet.transport_protocol()) {
             other_turn_packet::Protocol::Punch => {
                 let punch_info = PunchInfo::parse_from_bytes(net_packet.payload())?;
-                let public_ips = punch_info.public_ip_list.
-                    iter().map(|v| { Ipv4Addr::from(v.to_be_bytes()) }).collect();
-                let local_ipv4_addr = SocketAddrV4::new(Ipv4Addr::from(punch_info.local_ip.to_be_bytes()), punch_info.local_port as u16);
+                let public_ips = punch_info
+                    .public_ip_list
+                    .iter()
+                    .map(|v| Ipv4Addr::from(v.to_be_bytes()))
+                    .collect();
+                let local_ipv4_addr = SocketAddrV4::new(
+                    Ipv4Addr::from(punch_info.local_ip.to_be_bytes()),
+                    punch_info.local_port as u16,
+                );
                 let ipv6_addr = if punch_info.ipv6.len() == 16 {
                     let ipv6: [u8; 16] = punch_info.ipv6.try_into().unwrap();
                     SocketAddrV6::new(Ipv6Addr::from(ipv6), punch_info.ipv6_port as u16, 0, 0)
@@ -378,23 +482,30 @@ impl ChannelDataHandler {
                     SocketAddrV6::new(Ipv6Addr::UNSPECIFIED, 0, 0, 0)
                 };
 
-                let peer_nat_info = NatInfo::new(public_ips,
-                                                 punch_info.public_port as u16,
-                                                 punch_info.public_port_range as u16,
-                                                 local_ipv4_addr,
-                                                 ipv6_addr,
-                                                 punch_info.nat_type.enum_value_or_default().into());
+                let peer_nat_info = NatInfo::new(
+                    public_ips,
+                    punch_info.public_port as u16,
+                    punch_info.public_port_range as u16,
+                    local_ipv4_addr,
+                    ipv6_addr,
+                    punch_info.nat_type.enum_value_or_default().into(),
+                );
                 self.peer_nat_info_map.insert(source, peer_nat_info.clone());
                 if !punch_info.reply {
                     let mut punch_reply = PunchInfo::new();
                     punch_reply.reply = true;
                     let nat_info = self.nat_test.nat_info();
-                    punch_reply.public_ip_list = nat_info.public_ips.iter().map(|ip| u32::from_be_bytes(ip.octets())).collect();
+                    punch_reply.public_ip_list = nat_info
+                        .public_ips
+                        .iter()
+                        .map(|ip| u32::from_be_bytes(ip.octets()))
+                        .collect();
                     punch_reply.public_port = nat_info.public_port as u32;
                     punch_reply.public_port_range = nat_info.public_port_range as u32;
                     punch_reply.nat_type =
                         protobuf::EnumOrUnknown::new(PunchNatType::from(nat_info.nat_type));
-                    punch_reply.local_ip = u32::from_be_bytes(nat_info.local_ipv4_addr.ip().octets());
+                    punch_reply.local_ip =
+                        u32::from_be_bytes(nat_info.local_ipv4_addr.ip().octets());
                     punch_reply.local_port = nat_info.local_ipv4_addr.port() as u32;
                     if !nat_info.ipv6_addr.ip().is_unspecified() {
                         punch_reply.ipv6 = nat_info.ipv6_addr.ip().octets().to_vec();
@@ -405,9 +516,7 @@ impl ChannelDataHandler {
                         NetPacket::new_encrypt(vec![0u8; 12 + bytes.len() + ENCRYPTION_RESERVED])?;
                     punch_packet.set_version(Version::V1);
                     punch_packet.set_protocol(Protocol::OtherTurn);
-                    punch_packet.set_transport_protocol(
-                        other_turn_packet::Protocol::Punch.into(),
-                    );
+                    punch_packet.set_transport_protocol(other_turn_packet::Protocol::Punch.into());
                     punch_packet.first_set_ttl(MAX_TTL);
                     punch_packet.set_source(current_device.virtual_ip());
                     punch_packet.set_destination(source);
@@ -426,44 +535,55 @@ impl ChannelDataHandler {
                     // }
                     if self.punch(source, peer_nat_info).await {
                         self.client_cipher.encrypt_ipv4(&mut punch_packet)?;
-                        context.send_by_key(punch_packet.buffer(), route_key).await?;
+                        context
+                            .send_by_key(punch_packet.buffer(), route_key)
+                            .await?;
                     }
                 } else {
                     self.punch(source, peer_nat_info).await;
                 }
             }
             other_turn_packet::Protocol::Unknown(e) => {
-                log::warn!("不支持的转发协议 {:?},source:{:?}",e,source);
+                log::warn!("不支持的转发协议 {:?},source:{:?}", e, source);
             }
         }
         Ok(())
     }
     async fn punch(&self, peer_ip: Ipv4Addr, peer_nat_info: NatInfo) -> bool {
         match peer_nat_info.nat_type {
-            NatType::Symmetric => {
-                self.symmetric_sender.try_send((peer_ip, peer_nat_info)).is_ok()
-            }
-            NatType::Cone => {
-                self.cone_sender.try_send((peer_ip, peer_nat_info)).is_ok()
-            }
+            NatType::Symmetric => self
+                .symmetric_sender
+                .try_send((peer_ip, peer_nat_info))
+                .is_ok(),
+            NatType::Cone => self.cone_sender.try_send((peer_ip, peer_nat_info)).is_ok(),
         }
     }
 }
 
 /// 处理服务端数据
 impl ChannelDataHandler {
-    async fn server_packet_handle(&self, context: &Context, current_device: CurrentDeviceInfo, buf: &mut [u8], data_len: usize, route_key: &RouteKey) -> crate::Result<()> {
+    async fn server_packet_handle(
+        &self,
+        context: &Context,
+        current_device: CurrentDeviceInfo,
+        buf: &mut [u8],
+        data_len: usize,
+        route_key: &RouteKey,
+    ) -> crate::Result<()> {
         let net_packet = NetPacket::new0(data_len, &buf[14..])?;
         let source = net_packet.source();
         match net_packet.protocol() {
             Protocol::Service => {
-                self.service(context, current_device, net_packet, route_key).await?;
+                self.service(context, current_device, net_packet, route_key)
+                    .await?;
             }
             Protocol::Error => {
-                self.error(context, current_device, source, net_packet, route_key).await?;
+                self.error(context, current_device, source, net_packet, route_key)
+                    .await?;
             }
             Protocol::Control => {
-                self.control_gateway(context, current_device, net_packet, route_key).await?;
+                self.control_gateway(context, current_device, net_packet, route_key)
+                    .await?;
             }
             Protocol::IpTurn => {
                 match ip_turn_packet::Protocol::from(net_packet.transport_protocol()) {
@@ -497,14 +617,29 @@ impl ChannelDataHandler {
         }
         return Ok(());
     }
-    async fn control_gateway(&self, context: &Context, current_device: CurrentDeviceInfo, net_packet: NetPacket<&[u8]>, route_key: &RouteKey) -> crate::Result<()> {
+    async fn control_gateway(
+        &self,
+        context: &Context,
+        current_device: CurrentDeviceInfo,
+        net_packet: NetPacket<&[u8]>,
+        route_key: &RouteKey,
+    ) -> crate::Result<()> {
         if net_packet.source() != current_device.virtual_gateway {
             return Ok(());
         }
         match ControlPacket::new(net_packet.transport_protocol(), net_packet.payload())? {
             ControlPacket::PongPacket(pong_packet) => {
                 let metric = net_packet.source_ttl() - net_packet.ttl() + 1;
-                self.pong_packet(true, metric, context, current_device, net_packet.source(), pong_packet, route_key).await?;
+                self.pong_packet(
+                    true,
+                    metric,
+                    context,
+                    current_device,
+                    net_packet.source(),
+                    pong_packet,
+                    route_key,
+                )
+                .await?;
             }
             ControlPacket::AddrResponse(addr_packet) => {
                 if addr_packet.port() != 0
@@ -512,15 +647,23 @@ impl ChannelDataHandler {
                     && !addr_packet.ipv4().is_broadcast()
                     && !addr_packet.ipv4().is_unspecified()
                     && !addr_packet.ipv4().is_loopback()
-                    && !addr_packet.ipv4().is_private() {
-                    self.nat_test.update_addr(addr_packet.ipv4(), addr_packet.port())
+                    && !addr_packet.ipv4().is_private()
+                {
+                    self.nat_test
+                        .update_addr(addr_packet.ipv4(), addr_packet.port())
                 }
             }
             _ => {}
         }
         Ok(())
     }
-    async fn service(&self, context: &Context, current_device: CurrentDeviceInfo, net_packet: NetPacket<&[u8]>, route_key: &RouteKey) -> crate::Result<()> {
+    async fn service(
+        &self,
+        context: &Context,
+        current_device: CurrentDeviceInfo,
+        net_packet: NetPacket<&[u8]>,
+        route_key: &RouteKey,
+    ) -> crate::Result<()> {
         match service_packet::Protocol::from(net_packet.transport_protocol()) {
             service_packet::Protocol::RegistrationRequest => {}
             service_packet::Protocol::RegistrationResponse => {
@@ -529,28 +672,47 @@ impl ChannelDataHandler {
                 let local_ipv4_addr = nat::local_ipv4_addr(local_port);
                 let local_port = context.main_local_ipv6_port().unwrap_or(0);
                 let ipv6_addr = nat::local_ipv6_addr(local_port);
-                let nat_info = self.nat_test.re_test(Ipv4Addr::from(response.public_ip),
-                                                     response.public_port as u16,
-                                                     local_ipv4_addr, ipv6_addr).await;
+                let nat_info = self
+                    .nat_test
+                    .re_test(
+                        Ipv4Addr::from(response.public_ip),
+                        response.public_port as u16,
+                        local_ipv4_addr,
+                        ipv6_addr,
+                    )
+                    .await;
                 context.switch(nat_info.nat_type);
                 let new_ip = Ipv4Addr::from(response.virtual_ip);
                 let current_ip = current_device.virtual_ip();
                 if current_ip != new_ip {
                     // ip发生变化
-                    log::info!("ip发生变化,old_ip:{:?},new_ip:{:?}",current_ip,new_ip);
+                    log::info!("ip发生变化,old_ip:{:?},new_ip:{:?}", current_ip, new_ip);
                     #[cfg(any(target_os = "linux", target_os = "macos", target_os = "windows"))]
-                        let old_netmask = current_device.virtual_netmask;
+                    let old_netmask = current_device.virtual_netmask;
                     #[cfg(any(target_os = "linux", target_os = "macos", target_os = "windows"))]
-                        let old_gateway = current_device.virtual_gateway();
+                    let old_gateway = current_device.virtual_gateway();
                     let virtual_ip = Ipv4Addr::from(response.virtual_ip);
                     let virtual_gateway = Ipv4Addr::from(response.virtual_gateway);
                     let virtual_netmask = Ipv4Addr::from(response.virtual_netmask);
                     #[cfg(any(target_os = "linux", target_os = "macos", target_os = "windows"))]
-                    self.device_writer.change_ip(virtual_ip, virtual_netmask, virtual_gateway, old_netmask, old_gateway)?;
-                    let new_current_device = CurrentDeviceInfo::new(virtual_ip, virtual_gateway,
-                                                                    virtual_netmask, current_device.connect_server);
-                    if let Err(e) = self.current_device.compare_exchange(current_device, new_current_device) {
-                        log::warn!("替换失败:{:?}",e);
+                    self.device_writer.change_ip(
+                        virtual_ip,
+                        virtual_netmask,
+                        virtual_gateway,
+                        old_netmask,
+                        old_gateway,
+                    )?;
+                    let new_current_device = CurrentDeviceInfo::new(
+                        virtual_ip,
+                        virtual_gateway,
+                        virtual_netmask,
+                        current_device.connect_server,
+                    );
+                    if let Err(e) = self
+                        .current_device
+                        .compare_exchange(current_device, new_current_device)
+                    {
+                        log::warn!("替换失败:{:?}", e);
                     }
                 }
                 self.connect_status.store(ConnectStatus::Connected);
@@ -583,14 +745,21 @@ impl ChannelDataHandler {
                 }
             }
             service_packet::Protocol::Unknown(u) => {
-                log::warn!("未知服务协议:{}",u);
+                log::warn!("未知服务协议:{}", u);
             }
             _ => {}
         }
         Ok(())
     }
-    async fn error(&self, _context: &Context, current_device: CurrentDeviceInfo, _source: Ipv4Addr, net_packet: NetPacket<&[u8]>, _route_key: &RouteKey) -> crate::Result<()> {
-        log::info!("current_device:{:?}",current_device);
+    async fn error(
+        &self,
+        _context: &Context,
+        current_device: CurrentDeviceInfo,
+        _source: Ipv4Addr,
+        net_packet: NetPacket<&[u8]>,
+        _route_key: &RouteKey,
+    ) -> crate::Result<()> {
+        log::info!("current_device:{:?}", current_device);
         match InErrorPacket::new(net_packet.transport_protocol(), net_packet.payload())? {
             InErrorPacket::TokenError => {
                 return Err(Error::Stop("Token error".to_string()));
@@ -603,7 +772,9 @@ impl ChannelDataHandler {
                 }
 
                 self.connect_status.store(ConnectStatus::Connecting);
-                self.register.fast_register(current_device.virtual_ip).await?;
+                self.register
+                    .fast_register(current_device.virtual_ip)
+                    .await?;
             }
             InErrorPacket::AddressExhausted => {
                 //地址用尽
@@ -622,4 +793,4 @@ impl ChannelDataHandler {
         }
         Ok(())
     }
-}
+}

vnt/src/handle/registration_handler.rs

@@ -1,18 +1,18 @@
+use crossbeam_utils::atomic::AtomicCell;
 use std::net::{Ipv4Addr, SocketAddr};
 use std::time::{Duration, Instant};
-use crossbeam_utils::atomic::AtomicCell;
 
-use protobuf::Message;
-use tokio::io::{AsyncReadExt, AsyncWriteExt};
-use tokio::net::{TcpStream, UdpSocket};
 use crate::channel::sender::ChannelSender;
 use crate::cipher::Cipher;
 use crate::handle::PeerDeviceInfo;
+use protobuf::Message;
+use tokio::io::{AsyncReadExt, AsyncWriteExt};
+use tokio::net::{TcpStream, UdpSocket};
 
 use crate::proto::message::{RegistrationRequest, RegistrationResponse};
+use crate::protocol::body::ENCRYPTION_RESERVED;
 use crate::protocol::error_packet::InErrorPacket;
 use crate::protocol::{service_packet, NetPacket, Protocol, Version, MAX_TTL};
-use crate::protocol::body::ENCRYPTION_RESERVED;
 
 pub enum ReqEnum {
     TokenError,
@@ -47,8 +47,17 @@ pub async fn registration(
     ip: Ipv4Addr,
     client_secret: bool,
 ) -> Result<RegResponse, ReqEnum> {
-    let request_packet =
-        registration_request_packet(server_cipher, token.clone(), device_id.clone(), name.clone(), ip, false, false, client_secret).unwrap();
+    let request_packet = registration_request_packet(
+        server_cipher,
+        token.clone(),
+        device_id.clone(),
+        name.clone(),
+        ip,
+        false,
+        false,
+        client_secret,
+    )
+    .unwrap();
     let buf = request_packet.buffer();
     let mut recv_buf = [0u8; 10240];
     let recv_buf = if let Some(main_tcp_channel) = main_tcp_channel {
@@ -75,29 +84,30 @@ pub async fn registration(
         if let Err(e) = main_channel.send_to(buf, server_address).await {
             return Err(ReqEnum::Other(format!("send error:{}", e)));
         }
-        match tokio::time::timeout(Duration::from_millis(300), main_channel.recv_from(&mut recv_buf)).await {
-            Ok(rs) => {
-                match rs {
-                    Ok((len, addr)) => {
-                        if server_address != addr {
-                            return Err(ReqEnum::Other(format!("invalid data,from {}", addr)));
-                        }
-                        &mut recv_buf[..len]
-                    }
-                    Err(e) => {
-                        return Err(ReqEnum::Other(format!("receiver error:{}", e)));
+        match tokio::time::timeout(
+            Duration::from_millis(300),
+            main_channel.recv_from(&mut recv_buf),
+        )
+        .await
+        {
+            Ok(rs) => match rs {
+                Ok((len, addr)) => {
+                    if server_address != addr {
+                        return Err(ReqEnum::Other(format!("invalid data,from {}", addr)));
                     }
+                    &mut recv_buf[..len]
                 }
-            }
+                Err(e) => {
+                    return Err(ReqEnum::Other(format!("receiver error:{}", e)));
+                }
+            },
             Err(_) => {
                 return Err(ReqEnum::Timeout);
             }
         }
     };
     let mut net_packet = match NetPacket::new(recv_buf) {
-        Ok(net_packet) => {
-            net_packet
-        }
+        Ok(net_packet) => net_packet,
         Err(e) => {
             return Err(ReqEnum::ServerError(format!("{}", e)));
         }
@@ -133,14 +143,10 @@ pub async fn registration(
                                 public_port: response.public_port as u16,
                             })
                         }
-                        Err(_) => {
-                            Err(ReqEnum::ServerError("invalid data".to_string()))
-                        }
+                        Err(_) => Err(ReqEnum::ServerError("invalid data".to_string())),
                     }
                 }
-                _ => {
-                    Err(ReqEnum::ServerError("invalid data".to_string()))
-                }
+                _ => Err(ReqEnum::ServerError("invalid data".to_string())),
             }
         }
         Protocol::Error => {
@@ -150,24 +156,14 @@ pub async fn registration(
                     InErrorPacket::Disconnect => {
                         Err(ReqEnum::ServerError("disconnect".to_string()))
                     }
-                    InErrorPacket::AddressExhausted => {
-                        Err(ReqEnum::AddressExhausted)
-                    }
+                    InErrorPacket::AddressExhausted => Err(ReqEnum::AddressExhausted),
                     InErrorPacket::OtherError(e) => match e.message() {
-                        Ok(str) => {
-                            Err(ReqEnum::ServerError(str))
-                        }
+                        Ok(str) => Err(ReqEnum::ServerError(str)),
                         Err(e) => Err(ReqEnum::Other(format!("{}", e))),
                     },
-                    InErrorPacket::IpAlreadyExists => {
-                        Err(ReqEnum::IpAlreadyExists)
-                    }
-                    InErrorPacket::InvalidIp => {
-                        Err(ReqEnum::InvalidIp)
-                    }
-                    InErrorPacket::NoKey => {
-                        Err(ReqEnum::ServerError("no key".to_string()))
-                    }
+                    InErrorPacket::IpAlreadyExists => Err(ReqEnum::IpAlreadyExists),
+                    InErrorPacket::InvalidIp => Err(ReqEnum::InvalidIp),
+                    InErrorPacket::NoKey => Err(ReqEnum::ServerError("no key".to_string())),
                 },
                 Err(e) => Err(ReqEnum::Other(format!("{}", e))),
             }
@@ -243,10 +239,7 @@ impl Register {
     pub async fn fast_register(&self, ip: Ipv4Addr) -> crate::Result<()> {
         let last = self.time.load();
         if last.elapsed() < Duration::from_secs(2)
-            || self
-            .time
-            .compare_exchange(last, Instant::now())
-            .is_err()
+            || self.time.compare_exchange(last, Instant::now()).is_err()
         {
             //短时间不重复注册
             return Ok(());

vnt/src/handle/tun_tap/channel_group.rs

@@ -1,7 +1,10 @@
 use byte_pool::Block;
 
 #[derive(Clone)]
-pub struct BufSenderGroup(usize, Vec<tokio::sync::mpsc::Sender<(Block<'static>, usize, usize)>>);
+pub struct BufSenderGroup(
+    usize,
+    Vec<tokio::sync::mpsc::Sender<(Block<'static>, usize, usize)>>,
+);
 
 pub struct BufReceiverGroup(pub Vec<tokio::sync::mpsc::Receiver<(Block<'static>, usize, usize)>>);
 
@@ -17,9 +20,13 @@ pub fn buf_channel_group(size: usize) -> (BufSenderGroup, BufReceiverGroup) {
     let mut buf_sender_group = Vec::with_capacity(size);
     let mut buf_receiver_group = Vec::with_capacity(size);
     for _ in 0..size {
-        let (buf_sender, buf_receiver) = tokio::sync::mpsc::channel::<(Block<'static>, usize, usize)>(10);
+        let (buf_sender, buf_receiver) =
+            tokio::sync::mpsc::channel::<(Block<'static>, usize, usize)>(10);
         buf_sender_group.push(buf_sender);
         buf_receiver_group.push(buf_receiver);
     }
-    (BufSenderGroup(0, buf_sender_group), BufReceiverGroup(buf_receiver_group))
-}
+    (
+        BufSenderGroup(0, buf_sender_group),
+        BufReceiverGroup(buf_receiver_group),
+    )
+}

vnt/src/handle/tun_tap/mod.rs

@@ -1,28 +1,34 @@
-use std::io;
-use std::net::{Ipv4Addr, SocketAddrV4};
-use std::sync::Arc;
-use parking_lot::RwLock;
+use crate::channel::sender::ChannelSender;
+use crate::cipher::Cipher;
+use crate::error::*;
+use crate::external_route::ExternalRoute;
+use crate::handle::{check_dest, CurrentDeviceInfo};
+use crate::igmp_server::{IgmpServer, Multicast};
+use crate::ip_proxy::IpProxyMap;
+use crate::protocol;
+use crate::protocol::body::ENCRYPTION_RESERVED;
+use crate::protocol::ip_turn_packet::BroadcastPacket;
+use crate::protocol::{ip_turn_packet, NetPacket, Version, MAX_TTL};
 use packet::ip::ipv4::packet::IpV4Packet;
 use packet::ip::ipv4::protocol::Protocol;
 use packet::tcp::tcp::TcpPacket;
 use packet::udp::udp::UdpPacket;
-use crate::channel::sender::ChannelSender;
-use crate::cipher::Cipher;
-use crate::external_route::ExternalRoute;
-use crate::handle::{check_dest, CurrentDeviceInfo};
-use crate::ip_proxy::IpProxyMap;
-use crate::protocol::{ip_turn_packet, MAX_TTL, NetPacket, Version};
-use crate::error::*;
-use crate::igmp_server::{IgmpServer, Multicast};
-use crate::protocol;
-use crate::protocol::body::ENCRYPTION_RESERVED;
-use crate::protocol::ip_turn_packet::BroadcastPacket;
+use parking_lot::RwLock;
+use std::io;
+use std::net::{Ipv4Addr, SocketAddrV4};
+use std::sync::Arc;
 pub mod channel_group;
-pub mod tun_handler;
 #[cfg(any(target_os = "linux", target_os = "macos", target_os = "windows"))]
 pub mod tap_handler;
+pub mod tun_handler;
 
-async fn broadcast(server_cipher: &Cipher, multicast_members: Option<Arc<RwLock<Multicast>>>, sender: &ChannelSender, net_packet: &mut NetPacket<&mut [u8]>, current_device: &CurrentDeviceInfo) -> Result<()> {
+async fn broadcast(
+    server_cipher: &Cipher,
+    multicast_members: Option<Arc<RwLock<Multicast>>>,
+    sender: &ChannelSender,
+    net_packet: &mut NetPacket<&mut [u8]>,
+    current_device: &CurrentDeviceInfo,
+) -> Result<()> {
     let mut peer_ips = Vec::with_capacity(8);
     let vec = sender.route_table_one();
     let mut relay_count = 0;
@@ -40,7 +46,11 @@ async fn broadcast(server_cipher: &Cipher, multicast_members: Option<Arc<RwLock<
             }
         }
         if route.is_p2p()
-            && sender.send_by_key(net_packet.buffer(), &route.route_key()).await.is_ok() {
+            && sender
+                .send_by_key(net_packet.buffer(), &route.route_key())
+                .await
+                .is_ok()
+        {
             peer_ips.push(peer_ip);
         } else {
             relay_count += 1;
@@ -52,9 +62,14 @@ async fn broadcast(server_cipher: &Cipher, multicast_members: Option<Arc<RwLock<
     }
     //转发到服务端的可选择广播，还要进行服务端加密
     if peer_ips.is_empty() {
-        sender.send_main(net_packet.buffer(), current_device.connect_server).await?;
+        sender
+            .send_main(net_packet.buffer(), current_device.connect_server)
+            .await?;
     } else {
-        let buf = vec![0 as u8; 12 + 1 + peer_ips.len() * 4 + net_packet.data_len() + ENCRYPTION_RESERVED];
+        let buf = vec![
+            0 as u8;
+            12 + 1 + peer_ips.len() * 4 + net_packet.data_len() + ENCRYPTION_RESERVED
+        ];
         //剩余的发送到服务端，需要告知哪些已发送过
         let mut server_packet = NetPacket::new_encrypt(buf)?;
         server_packet.set_version(Version::V1);
@@ -70,7 +85,9 @@ async fn broadcast(server_cipher: &Cipher, multicast_members: Option<Arc<RwLock<
         broadcast.set_address(&peer_ips)?;
         broadcast.set_data(net_packet.buffer())?;
         server_cipher.encrypt_ipv4(&mut server_packet)?;
-        sender.send_main(server_packet.buffer(), current_device.connect_server).await?;
+        sender
+            .send_main(server_packet.buffer(), current_device.connect_server)
+            .await?;
     }
     Ok(())
 }
@@ -79,14 +96,17 @@ async fn broadcast(server_cipher: &Cipher, multicast_members: Option<Arc<RwLock<
 /// |12字节开头|ip报文|至少1024字节结尾|
 ///
 #[inline]
-pub async fn base_handle(sender: &ChannelSender, buf: &mut [u8],
-                         data_len: usize,//数据总长度=12+ip包长度
-                         igmp_server: &Option<IgmpServer>,
-                         current_device: CurrentDeviceInfo,
-                         ip_route: &Option<ExternalRoute>,
-                         proxy_map: &Option<IpProxyMap>,
-                         client_cipher: &Cipher,
-                         server_cipher: &Cipher) -> Result<()> {
+pub async fn base_handle(
+    sender: &ChannelSender,
+    buf: &mut [u8],
+    data_len: usize, //数据总长度=12+ip包长度
+    igmp_server: &Option<IgmpServer>,
+    current_device: CurrentDeviceInfo,
+    ip_route: &Option<ExternalRoute>,
+    proxy_map: &Option<IpProxyMap>,
+    client_cipher: &Cipher,
+    server_cipher: &Cipher,
+) -> Result<()> {
     let ipv4_packet = IpV4Packet::new(&buf[12..data_len])?;
     let protocol = ipv4_packet.protocol();
     let ip_head_len = ipv4_packet.header_len() as usize * 4;
@@ -106,7 +126,9 @@ pub async fn base_handle(sender: &ChannelSender, buf: &mut [u8],
         if protocol == Protocol::Icmp {
             net_packet.set_gateway_flag(true);
             server_cipher.encrypt_ipv4(&mut net_packet)?;
-            sender.send_main(net_packet.buffer(), current_device.connect_server).await?;
+            sender
+                .send_main(net_packet.buffer(), current_device.connect_server)
+                .await?;
         }
         return Ok(());
     }
@@ -118,7 +140,9 @@ pub async fn base_handle(sender: &ChannelSender, buf: &mut [u8],
                     net_packet.set_destination(current_device.virtual_gateway);
                     net_packet.set_gateway_flag(true);
                     server_cipher.encrypt_ipv4(&mut net_packet)?;
-                    sender.send_main(net_packet.buffer(), current_device.connect_server).await?;
+                    sender
+                        .send_main(net_packet.buffer(), current_device.connect_server)
+                        .await?;
                 }
             }
             Protocol::Udp => {
@@ -130,7 +154,14 @@ pub async fn base_handle(sender: &ChannelSender, buf: &mut [u8],
                     None
                 };
                 client_cipher.encrypt_ipv4(&mut net_packet)?;
-                broadcast(server_cipher, multicast_members, sender, &mut net_packet, &current_device).await?;
+                broadcast(
+                    server_cipher,
+                    multicast_members,
+                    sender,
+                    &mut net_packet,
+                    &current_device,
+                )
+                .await?;
             }
             _ => {}
         }
@@ -139,10 +170,21 @@ pub async fn base_handle(sender: &ChannelSender, buf: &mut [u8],
     if dest_ip.is_broadcast() || current_device.broadcast_address == dest_ip {
         // 广播 发送到直连目标
         client_cipher.encrypt_ipv4(&mut net_packet)?;
-        broadcast(server_cipher, None, sender, &mut net_packet, &current_device).await?;
+        broadcast(
+            server_cipher,
+            None,
+            sender,
+            &mut net_packet,
+            &current_device,
+        )
+        .await?;
         return Ok(());
     }
-    if !check_dest(dest_ip, current_device.virtual_netmask, current_device.virtual_network) {
+    if !check_dest(
+        dest_ip,
+        current_device.virtual_netmask,
+        current_device.virtual_network,
+    ) {
         if let Some(ip_route) = ip_route {
             if let Some(r_dest_ip) = ip_route.route(&dest_ip) {
                 //路由的目标不能是自己
@@ -162,15 +204,21 @@ pub async fn base_handle(sender: &ChannelSender, buf: &mut [u8],
         match protocol {
             Protocol::Tcp => {
                 let dest_addr = {
-                    let tcp_packet = TcpPacket::new(src_ip, dest_ip,
-                                                    &mut net_packet.payload_mut()[ip_head_len..])?;
+                    let tcp_packet = TcpPacket::new(
+                        src_ip,
+                        dest_ip,
+                        &mut net_packet.payload_mut()[ip_head_len..],
+                    )?;
                     SocketAddrV4::new(dest_ip, tcp_packet.destination_port())
                 };
                 if let Some(entry) = proxy_map.tcp_proxy_map.get(&dest_addr) {
                     let source_addr = entry.value();
                     let source_ip = *source_addr.ip();
-                    let mut tcp_packet = TcpPacket::new(source_ip, dest_ip,
-                                                        &mut net_packet.payload_mut()[ip_head_len..])?;
+                    let mut tcp_packet = TcpPacket::new(
+                        source_ip,
+                        dest_ip,
+                        &mut net_packet.payload_mut()[ip_head_len..],
+                    )?;
                     tcp_packet.set_source_port(source_addr.port());
                     tcp_packet.update_checksum();
                     let mut ipv4_packet = IpV4Packet::new(net_packet.payload_mut())?;
@@ -180,15 +228,21 @@ pub async fn base_handle(sender: &ChannelSender, buf: &mut [u8],
             }
             Protocol::Udp => {
                 let dest_addr = {
-                    let udp_packet = UdpPacket::new(src_ip, dest_ip,
-                                                    &mut net_packet.payload_mut()[ip_head_len..])?;
+                    let udp_packet = UdpPacket::new(
+                        src_ip,
+                        dest_ip,
+                        &mut net_packet.payload_mut()[ip_head_len..],
+                    )?;
                     SocketAddrV4::new(dest_ip, udp_packet.destination_port())
                 };
                 if let Some(entry) = proxy_map.udp_proxy_map.get(&dest_addr) {
                     let source_addr = entry.value();
                     let source_ip = *source_addr.ip();
-                    let mut udp_packet = UdpPacket::new(source_ip, dest_ip,
-                                                        &mut net_packet.payload_mut()[ip_head_len..])?;
+                    let mut udp_packet = UdpPacket::new(
+                        source_ip,
+                        dest_ip,
+                        &mut net_packet.payload_mut()[ip_head_len..],
+                    )?;
                     udp_packet.set_source_port(source_addr.port());
                     udp_packet.update_checksum();
                     let mut ipv4_packet = IpV4Packet::new(net_packet.payload_mut())?;
@@ -201,8 +255,14 @@ pub async fn base_handle(sender: &ChannelSender, buf: &mut [u8],
     }
     client_cipher.encrypt_ipv4(&mut net_packet)?;
     //优先发到直连到地址
-    if sender.send_by_id(net_packet.buffer(), &dest_ip).await.is_err() {
-        sender.send_main(net_packet.buffer(), current_device.connect_server).await?;
+    if sender
+        .send_by_id(net_packet.buffer(), &dest_ip)
+        .await
+        .is_err()
+    {
+        sender
+            .send_main(net_packet.buffer(), current_device.connect_server)
+            .await?;
     }
     return Ok(());
 }

vnt/src/handle/tun_tap/tap_handler.rs

@@ -1,6 +1,6 @@
-use std::{io, thread};
-use std::sync::Arc;
 use byte_pool::BytePool;
+use std::sync::Arc;
+use std::{io, thread};
 
 use crossbeam_utils::atomic::AtomicCell;
 use lazy_static::lazy_static;
@@ -17,36 +17,56 @@ use crate::channel::sender::ChannelSender;
 use crate::cipher::Cipher;
 use crate::core::status::VntWorker;
 use crate::external_route::ExternalRoute;
-use crate::handle::CurrentDeviceInfo;
 use crate::handle::tun_tap::channel_group::{buf_channel_group, BufSenderGroup};
+use crate::handle::CurrentDeviceInfo;
 use crate::igmp_server::IgmpServer;
 use crate::ip_proxy::IpProxyMap;
 use crate::tun_tap_device::{DeviceReader, DeviceWriter};
 lazy_static! {
-    static ref POOL:BytePool<Vec<u8>> = BytePool::<Vec<u8>>::new();
+    static ref POOL: BytePool<Vec<u8>> = BytePool::<Vec<u8>>::new();
 }
 
-pub fn start(worker: VntWorker, sender: ChannelSender,
-             device_reader: DeviceReader,
-             device_writer: DeviceWriter,
-             igmp_server: Option<IgmpServer>,
-             current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-             ip_route: Option<ExternalRoute>,
-             ip_proxy_map: Option<IpProxyMap>,
-             client_cipher: Cipher, server_cipher: Cipher, parallel: usize) {
+pub fn start(
+    worker: VntWorker,
+    sender: ChannelSender,
+    device_reader: DeviceReader,
+    device_writer: DeviceWriter,
+    igmp_server: Option<IgmpServer>,
+    current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+    ip_route: Option<ExternalRoute>,
+    ip_proxy_map: Option<IpProxyMap>,
+    client_cipher: Cipher,
+    server_cipher: Cipher,
+    parallel: usize,
+) {
     if parallel == 1 {
-        thread::Builder::new().name("tap_handler".into()).spawn(move || {
-            tokio::runtime::Builder::new_current_thread()
-                .enable_all().build().unwrap()
-                .block_on(async move {
-                    if let Err(e) = start_simple(sender, device_reader,
-                                                 device_writer, igmp_server,
-                                                 current_device, ip_route, ip_proxy_map, client_cipher, server_cipher).await {
-                        log::warn!("tap:{:?}",e);
-                    }
-                    worker.stop_all();
-                });
-        }).unwrap();
+        thread::Builder::new()
+            .name("tap_handler".into())
+            .spawn(move || {
+                tokio::runtime::Builder::new_current_thread()
+                    .enable_all()
+                    .build()
+                    .unwrap()
+                    .block_on(async move {
+                        if let Err(e) = start_simple(
+                            sender,
+                            device_reader,
+                            device_writer,
+                            igmp_server,
+                            current_device,
+                            ip_route,
+                            ip_proxy_map,
+                            client_cipher,
+                            server_cipher,
+                        )
+                        .await
+                        {
+                            log::warn!("tap:{:?}", e);
+                        }
+                        worker.stop_all();
+                    });
+            })
+            .unwrap();
     } else {
         let (buf_sender, buf_receiver) = buf_channel_group(parallel);
         for mut buf_receiver in buf_receiver.0 {
@@ -60,8 +80,20 @@ pub fn start(worker: VntWorker, sender: ChannelSender,
             let server_cipher = server_cipher.clone();
             tokio::spawn(async move {
                 while let Some((mut buf, _, len)) = buf_receiver.recv().await {
-                    match handle(&mut buf, len, &igmp_server, &current_device, &device_writer, &sender,
-                                 &ip_route, &ip_proxy_map, &client_cipher, &server_cipher).await {
+                    match handle(
+                        &mut buf,
+                        len,
+                        &igmp_server,
+                        &current_device,
+                        &device_writer,
+                        &sender,
+                        &ip_route,
+                        &ip_proxy_map,
+                        &client_cipher,
+                        &server_cipher,
+                    )
+                    .await
+                    {
                         Ok(_) => {}
                         Err(e) => {
                             log::warn!("{:?}", e)
@@ -70,22 +102,29 @@ pub fn start(worker: VntWorker, sender: ChannelSender,
                 }
             });
         }
-        thread::Builder::new().name("tap_handler".into()).spawn(move || {
-            tokio::runtime::Builder::new_current_thread()
-                .enable_all().build().unwrap()
-                .block_on(async move {
-                    if let Err(e) = start_(sender, device_reader, buf_sender).await {
-                        log::warn!("tap:{:?}",e);
-                    }
-                    worker.stop_all();
-                });
-        }).unwrap();
+        thread::Builder::new()
+            .name("tap_handler".into())
+            .spawn(move || {
+                tokio::runtime::Builder::new_current_thread()
+                    .enable_all()
+                    .build()
+                    .unwrap()
+                    .block_on(async move {
+                        if let Err(e) = start_(sender, device_reader, buf_sender).await {
+                            log::warn!("tap:{:?}", e);
+                        }
+                        worker.stop_all();
+                    });
+            })
+            .unwrap();
     }
 }
 
-async fn start_(sender: ChannelSender,
-                device_reader: DeviceReader,
-                mut buf_sender: BufSenderGroup) -> io::Result<()> {
+async fn start_(
+    sender: ChannelSender,
+    device_reader: DeviceReader,
+    mut buf_sender: BufSenderGroup,
+) -> io::Result<()> {
     loop {
         let mut buf = POOL.alloc(4096);
         if sender.is_close() {
@@ -94,36 +133,65 @@ async fn start_(sender: ChannelSender,
         let start = 0;
         let len = device_reader.read(&mut buf)?;
         if !buf_sender.send((buf, start, len)).await {
-            return Err(io::Error::new(io::ErrorKind::Other, "tap buf_sender发送失败"));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "tap buf_sender发送失败",
+            ));
         }
     }
 }
 
-async fn start_simple(sender: ChannelSender,
-                      device_reader: DeviceReader,
-                      device_writer: DeviceWriter,
-                      igmp_server: Option<IgmpServer>,
-                      current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-                      ip_route: Option<ExternalRoute>,
-                      ip_proxy_map: Option<IpProxyMap>,
-                      client_cipher: Cipher, server_cipher: Cipher) -> io::Result<()> {
+async fn start_simple(
+    sender: ChannelSender,
+    device_reader: DeviceReader,
+    device_writer: DeviceWriter,
+    igmp_server: Option<IgmpServer>,
+    current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+    ip_route: Option<ExternalRoute>,
+    ip_proxy_map: Option<IpProxyMap>,
+    client_cipher: Cipher,
+    server_cipher: Cipher,
+) -> io::Result<()> {
     let mut buf = [0; 4096];
     loop {
         let len = device_reader.read(&mut buf)?;
-        if let Err(e) = handle(&mut buf, len, &igmp_server, &current_device, &device_writer, &sender, &ip_route, &ip_proxy_map, &client_cipher, &server_cipher).await {
-            log::warn!("tap handle{:?}",e);
+        if let Err(e) = handle(
+            &mut buf,
+            len,
+            &igmp_server,
+            &current_device,
+            &device_writer,
+            &sender,
+            &ip_route,
+            &ip_proxy_map,
+            &client_cipher,
+            &server_cipher,
+        )
+        .await
+        {
+            log::warn!("tap handle{:?}", e);
         }
     }
 }
 
-async fn handle(buf: &mut [u8], len: usize, igmp_server: &Option<IgmpServer>, current_device: &AtomicCell<CurrentDeviceInfo>,
-                device_writer: &DeviceWriter, sender: &ChannelSender, ip_route: &Option<ExternalRoute>,
-                proxy_map: &Option<IpProxyMap>, client_cipher: &Cipher, server_cipher: &Cipher) -> crate::Result<()> {
+async fn handle(
+    buf: &mut [u8],
+    len: usize,
+    igmp_server: &Option<IgmpServer>,
+    current_device: &AtomicCell<CurrentDeviceInfo>,
+    device_writer: &DeviceWriter,
+    sender: &ChannelSender,
+    ip_route: &Option<ExternalRoute>,
+    proxy_map: &Option<IpProxyMap>,
+    client_cipher: &Cipher,
+    server_cipher: &Cipher,
+) -> crate::Result<()> {
     let mut ethernet_packet = EthernetPacket::new(&mut buf[..len])?;
     let current_device = current_device.load();
     match ethernet_packet.protocol() {
         ethernet::protocol::Protocol::Arp => {
-            let mut out_ethernet_packet = EthernetPacket::unchecked(ethernet_packet.buffer.to_vec());
+            let mut out_ethernet_packet =
+                EthernetPacket::unchecked(ethernet_packet.buffer.to_vec());
             let arp_packet = ArpPacket::unchecked(ethernet_packet.payload());
             let mut out_arp_packet = ArpPacket::unchecked(out_ethernet_packet.payload_mut());
             let sender_h = arp_packet.sender_hardware_addr();
@@ -133,12 +201,26 @@ async fn handle(buf: &mut [u8], len: usize, igmp_server: &Option<IgmpServer>, cu
                 return Ok(());
             }
             //回复一个虚假的MAC地址
-            out_arp_packet.set_sender_hardware_addr(&[target_p[0], target_p[1], target_p[2], target_p[3], !sender_h[5], 234]);
+            out_arp_packet.set_sender_hardware_addr(&[
+                target_p[0],
+                target_p[1],
+                target_p[2],
+                target_p[3],
+                !sender_h[5],
+                234,
+            ]);
             out_arp_packet.set_sender_protocol_addr(target_p);
             out_arp_packet.set_target_hardware_addr(sender_h);
             out_arp_packet.set_target_protocol_addr(sender_p);
             out_arp_packet.set_op_code(2);
-            out_ethernet_packet.set_source(&[target_p[0], target_p[1], target_p[2], target_p[3], !sender_h[5], 234]);
+            out_ethernet_packet.set_source(&[
+                target_p[0],
+                target_p[1],
+                target_p[2],
+                target_p[3],
+                !sender_h[5],
+                234,
+            ]);
             out_ethernet_packet.set_destination(sender_h);
             device_writer.write_ethernet_tap(&out_ethernet_packet.buffer)?;
         }
@@ -169,8 +251,18 @@ async fn handle(buf: &mut [u8], len: usize, igmp_server: &Option<IgmpServer>, cu
                 return Ok(());
             }
             // 以太网帧头部14字节，预留12字节
-            return crate::handle::tun_tap::base_handle(sender, &mut buf[2..], len - 2, igmp_server, current_device,
-                                                       ip_route, proxy_map, client_cipher, server_cipher).await;
+            return crate::handle::tun_tap::base_handle(
+                sender,
+                &mut buf[2..],
+                len - 2,
+                igmp_server,
+                current_device,
+                ip_route,
+                proxy_map,
+                client_cipher,
+                server_cipher,
+            )
+            .await;
         }
         _ => {
             // log::warn!("不支持的二层协议：{:?}",p)
@@ -178,4 +270,3 @@ async fn handle(buf: &mut [u8], len: usize, igmp_server: &Option<IgmpServer>, cu
     }
     Ok(())
 }
-

vnt/src/handle/tun_tap/tun_handler.rs

@@ -1,21 +1,21 @@
-use std::{io, thread};
-use std::sync::Arc;
 use byte_pool::BytePool;
+use std::sync::Arc;
+use std::{io, thread};
 
 use crossbeam_utils::atomic::AtomicCell;
 
-use packet::icmp::Kind;
-use packet::icmp::icmp::IcmpPacket;
-use packet::ip::ipv4;
-use packet::ip::ipv4::packet::IpV4Packet;
 use crate::channel::sender::ChannelSender;
 use crate::cipher::Cipher;
 use crate::core::status::VntWorker;
+use packet::icmp::icmp::IcmpPacket;
+use packet::icmp::Kind;
+use packet::ip::ipv4;
+use packet::ip::ipv4::packet::IpV4Packet;
 
 use crate::error::*;
 use crate::external_route::ExternalRoute;
-use crate::handle::CurrentDeviceInfo;
 use crate::handle::tun_tap::channel_group::{buf_channel_group, BufSenderGroup};
+use crate::handle::CurrentDeviceInfo;
 use crate::igmp_server::IgmpServer;
 use crate::ip_proxy::IpProxyMap;
 use crate::tun_tap_device::{DeviceReader, DeviceWriter};
@@ -40,10 +40,18 @@ fn icmp(device_writer: &DeviceWriter, mut ipv4_packet: IpV4Packet<&mut [u8]>) ->
 
 /// 接收tun数据，并且转发到udp上
 #[inline]
-async fn handle(sender: &ChannelSender, data: &mut [u8], len: usize, device_writer: &DeviceWriter,
-                igmp_server: &Option<IgmpServer>, current_device: CurrentDeviceInfo,
-                ip_route: &Option<ExternalRoute>, proxy_map: &Option<IpProxyMap>,
-                client_cipher: &Cipher, server_cipher: &Cipher) -> Result<()> {
+async fn handle(
+    sender: &ChannelSender,
+    data: &mut [u8],
+    len: usize,
+    device_writer: &DeviceWriter,
+    igmp_server: &Option<IgmpServer>,
+    current_device: CurrentDeviceInfo,
+    ip_route: &Option<ExternalRoute>,
+    proxy_map: &Option<IpProxyMap>,
+    client_cipher: &Cipher,
+    server_cipher: &Cipher,
+) -> Result<()> {
     let ipv4_packet = if let Ok(ipv4_packet) = IpV4Packet::new(&mut data[12..len]) {
         ipv4_packet
     } else {
@@ -57,30 +65,62 @@ async fn handle(sender: &ChannelSender, data: &mut [u8], len: usize, device_writ
     if src_ip == dest_ip {
         return icmp(&device_writer, ipv4_packet);
     }
-    return crate::handle::tun_tap::base_handle(sender, data, len, igmp_server,
-                                               current_device, ip_route, proxy_map, client_cipher, server_cipher).await;
+    return crate::handle::tun_tap::base_handle(
+        sender,
+        data,
+        len,
+        igmp_server,
+        current_device,
+        ip_route,
+        proxy_map,
+        client_cipher,
+        server_cipher,
+    )
+    .await;
 }
 
-pub async fn start(worker: VntWorker, sender: ChannelSender,
-                   device_reader: DeviceReader,
-                   device_writer: DeviceWriter,
-                   igmp_server: Option<IgmpServer>,
-                   current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-                   ip_route: Option<ExternalRoute>,
-                   ip_proxy_map: Option<IpProxyMap>,
-                   client_cipher: Cipher, server_cipher: Cipher, parallel: usize) {
+pub async fn start(
+    worker: VntWorker,
+    sender: ChannelSender,
+    device_reader: DeviceReader,
+    device_writer: DeviceWriter,
+    igmp_server: Option<IgmpServer>,
+    current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+    ip_route: Option<ExternalRoute>,
+    ip_proxy_map: Option<IpProxyMap>,
+    client_cipher: Cipher,
+    server_cipher: Cipher,
+    parallel: usize,
+) {
     if parallel == 1 {
-        thread::Builder::new().name("tun_handler".into()).spawn(move || {
-            tokio::runtime::Builder::new_current_thread()
-                .enable_all().build().unwrap()
-                .block_on(async move {
-                    if let Err(e) = start_simple(sender, device_reader, &device_writer, igmp_server, current_device, ip_route, ip_proxy_map, client_cipher, server_cipher).await {
-                        log::warn!("stop:{}",e);
-                    }
-                    let _ = device_writer.close();
-                    worker.stop_all();
-                })
-        }).unwrap();
+        thread::Builder::new()
+            .name("tun_handler".into())
+            .spawn(move || {
+                tokio::runtime::Builder::new_current_thread()
+                    .enable_all()
+                    .build()
+                    .unwrap()
+                    .block_on(async move {
+                        if let Err(e) = start_simple(
+                            sender,
+                            device_reader,
+                            &device_writer,
+                            igmp_server,
+                            current_device,
+                            ip_route,
+                            ip_proxy_map,
+                            client_cipher,
+                            server_cipher,
+                        )
+                        .await
+                        {
+                            log::warn!("stop:{}", e);
+                        }
+                        let _ = device_writer.close();
+                        worker.stop_all();
+                    })
+            })
+            .unwrap();
     } else {
         let (buf_sender, buf_receiver) = buf_channel_group(parallel);
         for mut buf_receiver in buf_receiver.0 {
@@ -94,8 +134,20 @@ pub async fn start(worker: VntWorker, sender: ChannelSender,
             let server_cipher = server_cipher.clone();
             tokio::spawn(async move {
                 while let Some((mut buf, start, len)) = buf_receiver.recv().await {
-                    match handle(&sender, &mut buf[start..], len, &device_writer, &igmp_server, current_device.load(),
-                                 &ip_route, &ip_proxy_map, &client_cipher, &server_cipher).await {
+                    match handle(
+                        &sender,
+                        &mut buf[start..],
+                        len,
+                        &device_writer,
+                        &igmp_server,
+                        current_device.load(),
+                        &ip_route,
+                        &ip_proxy_map,
+                        &client_cipher,
+                        &server_cipher,
+                    )
+                    .await
+                    {
                         Ok(_) => {}
                         Err(e) => {
                             log::warn!("{:?}", e)
@@ -105,21 +157,30 @@ pub async fn start(worker: VntWorker, sender: ChannelSender,
             });
         }
 
-        thread::Builder::new().name("tun_handler".into()).spawn(move || {
-            tokio::runtime::Builder::new_current_thread()
-                .enable_all().build().unwrap()
-                .block_on(async move {
-                    if let Err(e) = start_(sender, device_reader, buf_sender).await {
-                        log::warn!("stop:{}",e);
-                    }
-                    let _ = device_writer.close();
-                    worker.stop_all();
-                })
-        }).unwrap();
+        thread::Builder::new()
+            .name("tun_handler".into())
+            .spawn(move || {
+                tokio::runtime::Builder::new_current_thread()
+                    .enable_all()
+                    .build()
+                    .unwrap()
+                    .block_on(async move {
+                        if let Err(e) = start_(sender, device_reader, buf_sender).await {
+                            log::warn!("stop:{}", e);
+                        }
+                        let _ = device_writer.close();
+                        worker.stop_all();
+                    })
+            })
+            .unwrap();
     }
 }
 
-async fn start_(sender: ChannelSender, device_reader: DeviceReader, mut buf_sender: BufSenderGroup) -> io::Result<()> {
+async fn start_(
+    sender: ChannelSender,
+    device_reader: DeviceReader,
+    mut buf_sender: BufSenderGroup,
+) -> io::Result<()> {
     loop {
         let mut buf = POOL.alloc(4096);
         buf[..12].fill(0);
@@ -129,21 +190,27 @@ async fn start_(sender: ChannelSender, device_reader: DeviceReader, mut buf_send
         let start = 0;
         let len = device_reader.read(&mut buf[12..])? + 12;
         #[cfg(any(target_os = "macos"))]
-            let start = 4;
+        let start = 4;
         if !buf_sender.send((buf, start, len)).await {
-            return Err(io::Error::new(io::ErrorKind::Other, "tun buf_sender发送失败"));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "tun buf_sender发送失败",
+            ));
         }
     }
 }
 
-async fn start_simple(sender: ChannelSender,
-                      device_reader: DeviceReader,
-                      device_writer: &DeviceWriter,
-                      igmp_server: Option<IgmpServer>,
-                      current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-                      ip_route: Option<ExternalRoute>,
-                      ip_proxy_map: Option<IpProxyMap>,
-                      client_cipher: Cipher, server_cipher: Cipher) -> io::Result<()> {
+async fn start_simple(
+    sender: ChannelSender,
+    device_reader: DeviceReader,
+    device_writer: &DeviceWriter,
+    igmp_server: Option<IgmpServer>,
+    current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+    ip_route: Option<ExternalRoute>,
+    ip_proxy_map: Option<IpProxyMap>,
+    client_cipher: Cipher,
+    server_cipher: Cipher,
+) -> io::Result<()> {
     let mut buf = [0; 4096];
     loop {
         if sender.is_close() {
@@ -152,8 +219,21 @@ async fn start_simple(sender: ChannelSender,
         buf[..12].fill(0);
         let len = device_reader.read(&mut buf[12..])? + 12;
         #[cfg(any(target_os = "macos"))]
-            let mut buf = &mut buf[4..];
-        match handle(&sender, &mut buf, len, device_writer, &igmp_server, current_device.load(), &ip_route, &ip_proxy_map, &client_cipher, &server_cipher).await {
+        let mut buf = &mut buf[4..];
+        match handle(
+            &sender,
+            &mut buf,
+            len,
+            device_writer,
+            &igmp_server,
+            current_device.load(),
+            &ip_route,
+            &ip_proxy_map,
+            &client_cipher,
+            &server_cipher,
+        )
+        .await
+        {
             Ok(_) => {}
             Err(e) => {
                 log::warn!("{:?}", e)

vnt/src/igmp_server/mod.rs

@@ -1,14 +1,14 @@
-use std::collections::{HashMap, HashSet};
-use std::net::Ipv4Addr;
-use std::sync::Arc;
-use std::time::{Duration, Instant};
+use crate::tun_tap_device::DeviceWriter;
 use dashmap::DashMap;
-use parking_lot::RwLock;
 use packet::igmp::igmp_v2::IgmpV2Packet;
 use packet::igmp::igmp_v3::{IgmpV3QueryPacket, IgmpV3RecordType, IgmpV3ReportPacket};
 use packet::igmp::IgmpType;
 use packet::ip::ipv4::protocol::Protocol;
-use crate::tun_tap_device::DeviceWriter;
+use parking_lot::RwLock;
+use std::collections::{HashMap, HashSet};
+use std::net::Ipv4Addr;
+use std::sync::Arc;
+use std::time::{Duration, Instant};
 
 //1. 定时发送query，启动时20秒一次，连发3次，之后8分钟一次
 //2. 接收网关的igmp report 维护组播源信息
@@ -90,9 +90,7 @@ impl IgmpServer {
                 std::thread::sleep(Duration::from_secs(20))
             }
         });
-        Self {
-            multicast,
-        }
+        Self { multicast }
     }
     pub fn load(&self, multicast_addr: &Ipv4Addr) -> Option<Arc<RwLock<Multicast>>> {
         if let Some(entry) = self.multicast.get(multicast_addr) {
@@ -125,9 +123,11 @@ impl IgmpServer {
                     return Ok(());
                 }
                 let multi = {
-                    self.multicast.entry(multicast_addr).or_insert_with(|| {
-                        Arc::new(RwLock::new(Multicast::new()))
-                    }).value().clone()
+                    self.multicast
+                        .entry(multicast_addr)
+                        .or_insert_with(|| Arc::new(RwLock::new(Multicast::new())))
+                        .value()
+                        .clone()
                 };
                 let mut guard = multi.write();
                 guard.members.insert(source, Instant::now());
@@ -153,13 +153,17 @@ impl IgmpServer {
                         if !multicast_addr.is_multicast() {
                             return Ok(());
                         }
-                        let multi = self.multicast.entry(multicast_addr).or_insert_with(|| {
-                            Arc::new(RwLock::new(Multicast::new()))
-                        }).value().clone();
+                        let multi = self
+                            .multicast
+                            .entry(multicast_addr)
+                            .or_insert_with(|| Arc::new(RwLock::new(Multicast::new())))
+                            .value()
+                            .clone();
                         let mut guard = multi.write();
 
                         match group_record.record_type() {
-                            IgmpV3RecordType::ModeIsInclude | IgmpV3RecordType::ChangeToIncludeMode => {
+                            IgmpV3RecordType::ModeIsInclude
+                            | IgmpV3RecordType::ChangeToIncludeMode => {
                                 match group_record.source_addresses() {
                                     None => {
                                         //不接收所有
@@ -173,7 +177,8 @@ impl IgmpServer {
                                 }
                             }
 
-                            IgmpV3RecordType::ModeIsExclude | IgmpV3RecordType::ChangeToExcludeMode => {
+                            IgmpV3RecordType::ModeIsExclude
+                            | IgmpV3RecordType::ChangeToExcludeMode => {
                                 match group_record.source_addresses() {
                                     None => {
                                         //接收所有
@@ -190,40 +195,36 @@ impl IgmpServer {
                                 //在已有源的基础上，接收目标源，如果是排除模式，则删除；是包含模式则添加
                                 match group_record.source_addresses() {
                                     None => {}
-                                    Some(src) => {
-                                        match guard.map.get_mut(&source) {
-                                            None => {}
-                                            Some((is_include, set)) => {
-                                                for ip in src {
-                                                    if *is_include {
-                                                        set.insert(ip);
-                                                    } else {
-                                                        set.remove(&ip);
-                                                    }
+                                    Some(src) => match guard.map.get_mut(&source) {
+                                        None => {}
+                                        Some((is_include, set)) => {
+                                            for ip in src {
+                                                if *is_include {
+                                                    set.insert(ip);
+                                                } else {
+                                                    set.remove(&ip);
                                                 }
                                             }
                                         }
-                                    }
+                                    },
                                 }
                             }
                             IgmpV3RecordType::BlockOldSources => {
                                 //在已有源的基础上，不接收目标源
                                 match group_record.source_addresses() {
                                     None => {}
-                                    Some(src) => {
-                                        match guard.map.get_mut(&source) {
-                                            None => {}
-                                            Some((is_include, set)) => {
-                                                for ip in src {
-                                                    if *is_include {
-                                                        set.remove(&ip);
-                                                    } else {
-                                                        set.insert(ip);
-                                                    }
+                                    Some(src) => match guard.map.get_mut(&source) {
+                                        None => {}
+                                        Some((is_include, set)) => {
+                                            for ip in src {
+                                                if *is_include {
+                                                    set.remove(&ip);
+                                                } else {
+                                                    set.insert(ip);
                                                 }
                                             }
                                         }
-                                    }
+                                    },
                                 }
                             }
                             IgmpV3RecordType::Unknown(_) => {}
@@ -235,4 +236,4 @@ impl IgmpServer {
         }
         Ok(())
     }
-}
+}

vnt/src/ip_proxy/icmp_proxy.rs

@@ -1,20 +1,20 @@
+use crossbeam_utils::atomic::AtomicCell;
+use dashmap::DashMap;
 use std::io;
 use std::mem::MaybeUninit;
 use std::net::{IpAddr, Ipv4Addr, SocketAddrV4};
 use std::sync::Arc;
-use crossbeam_utils::atomic::AtomicCell;
-use dashmap::DashMap;
 
 use socket2::{Domain, SockAddr, Socket, Type};
 
-use packet::icmp::icmp;
-use packet::icmp::icmp::HeaderOther;
-use packet::ip::ipv4;
 use crate::channel::sender::ChannelSender;
 use crate::cipher::Cipher;
 use crate::handle::CurrentDeviceInfo;
-use crate::protocol::{MAX_TTL, NetPacket, Protocol, Version};
 use crate::protocol::body::ENCRYPTION_RESERVED;
+use crate::protocol::{NetPacket, Protocol, Version, MAX_TTL};
+use packet::icmp::icmp;
+use packet::icmp::icmp::HeaderOther;
+use packet::ip::ipv4;
 
 pub struct IcmpProxy {
     icmp_socket: Arc<Socket>,
@@ -26,9 +26,18 @@ pub struct IcmpProxy {
 }
 
 impl IcmpProxy {
-    pub fn new(addr: SocketAddrV4, icmp_proxy_map: Arc<DashMap<(Ipv4Addr, u16, u16), Ipv4Addr>>,
-               sender: ChannelSender, current_device: Arc<AtomicCell<CurrentDeviceInfo>>, client_cipher: Cipher) -> io::Result<IcmpProxy> {
-        let icmp_socket = Arc::new(Socket::new(Domain::IPV4, Type::RAW, Some(socket2::Protocol::ICMPV4))?);
+    pub fn new(
+        addr: SocketAddrV4,
+        icmp_proxy_map: Arc<DashMap<(Ipv4Addr, u16, u16), Ipv4Addr>>,
+        sender: ChannelSender,
+        current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+        client_cipher: Cipher,
+    ) -> io::Result<IcmpProxy> {
+        let icmp_socket = Arc::new(Socket::new(
+            Domain::IPV4,
+            Type::RAW,
+            Some(socket2::Protocol::ICMPV4),
+        )?);
         icmp_socket.bind(&SockAddr::from(addr))?;
         Ok(IcmpProxy {
             icmp_socket,
@@ -43,8 +52,7 @@ impl IcmpProxy {
     }
     pub fn start(self) {
         let mut buf = [0 as u8; 1500];
-        let data: &mut [MaybeUninit<u8>] =
-            unsafe { std::mem::transmute(&mut buf[..]) };
+        let data: &mut [MaybeUninit<u8>] = unsafe { std::mem::transmute(&mut buf[..]) };
 
         loop {
             match self.recv(data) {
@@ -57,29 +65,54 @@ impl IcmpProxy {
                                         Ok(icmp_packet) => {
                                             match icmp_packet.header_other() {
                                                 HeaderOther::Identifier(id, seq) => {
-                                                    if let Some(entry) = self.icmp_proxy_map.get(&(peer_ip, id, seq)) {
+                                                    if let Some(entry) =
+                                                        self.icmp_proxy_map.get(&(peer_ip, id, seq))
+                                                    {
                                                         //将数据发送到真实的来源
                                                         let dest_ip = *entry.value();
                                                         drop(entry);
                                                         ipv4_packet.set_destination_ip(dest_ip);
                                                         ipv4_packet.update_checksum();
-                                                        let current_device = self.current_device.load();
-                                                        let virtual_ip = current_device.virtual_ip();
-                                                        let connect_server = current_device.connect_server;
-                                                        let mut net_packet = NetPacket::new_encrypt(vec![0u8; 12 + len + ENCRYPTION_RESERVED]).unwrap();
+                                                        let current_device =
+                                                            self.current_device.load();
+                                                        let virtual_ip =
+                                                            current_device.virtual_ip();
+                                                        let connect_server =
+                                                            current_device.connect_server;
+                                                        let mut net_packet =
+                                                            NetPacket::new_encrypt(vec![
+                                                                    0u8;
+                                                                    12 + len + ENCRYPTION_RESERVED
+                                                                ])
+                                                            .unwrap();
                                                         net_packet.set_version(Version::V1);
                                                         net_packet.set_protocol(Protocol::IpTurn);
                                                         net_packet.set_transport_protocol(crate::protocol::ip_turn_packet::Protocol::Ipv4.into());
                                                         net_packet.first_set_ttl(MAX_TTL);
                                                         net_packet.set_source(virtual_ip);
                                                         net_packet.set_destination(dest_ip);
-                                                        net_packet.set_payload(ipv4_packet.buffer).unwrap();
-                                                        if let Err(e) = self.client_cipher.encrypt_ipv4(&mut net_packet) {
-                                                            log::warn!("加密失败:{}",e);
+                                                        net_packet
+                                                            .set_payload(ipv4_packet.buffer)
+                                                            .unwrap();
+                                                        if let Err(e) = self
+                                                            .client_cipher
+                                                            .encrypt_ipv4(&mut net_packet)
+                                                        {
+                                                            log::warn!("加密失败:{}", e);
                                                             continue;
                                                         }
-                                                        if self.sender.try_send_by_id(net_packet.buffer(), &dest_ip).is_err() {
-                                                            let _ = self.sender.try_send_main(net_packet.buffer(), connect_server);
+                                                        if self
+                                                            .sender
+                                                            .try_send_by_id(
+                                                                net_packet.buffer(),
+                                                                &dest_ip,
+                                                            )
+                                                            .is_err()
+                                                        {
+                                                            let _ = self.sender.try_send_main(
+                                                                net_packet.buffer(),
+                                                                connect_server,
+                                                            );
                                                         }
                                                     }
                                                 }
@@ -98,7 +131,7 @@ impl IcmpProxy {
                     }
                 }
                 Err(e) => {
-                    log::warn!("icmp代理异常:{:?}",e);
+                    log::warn!("icmp代理异常:{:?}", e);
                 }
             }
         }
@@ -106,16 +139,12 @@ impl IcmpProxy {
     fn recv(&self, buf: &mut [MaybeUninit<u8>]) -> io::Result<(usize, IpAddr)> {
         let (size, addr) = self.icmp_socket.recv_from(buf)?;
         let addr = match addr.as_socket() {
-            None => {
-                IpAddr::V4(Ipv4Addr::UNSPECIFIED)
-            }
-            Some(add) => {
-                add.ip()
-            }
+            None => IpAddr::V4(Ipv4Addr::UNSPECIFIED),
+            Some(add) => add.ip(),
         };
         Ok((size, addr))
     }
     // fn send_to(&self, buf: &[u8], addr: SocketAddrV4) -> io::Result<usize> {
     //     self.icmp_socket.send_to(buf, &SockAddr::from(addr))
     // }
-}
+}

vnt/src/ip_proxy/mod.rs

@@ -1,16 +1,16 @@
-use std::{io, thread};
-use std::net::{Ipv4Addr, SocketAddrV4};
-use std::sync::Arc;
-use crossbeam_utils::atomic::AtomicCell;
-use dashmap::DashMap;
-use socket2::{SockAddr, Socket};
-use tokio::net::{TcpListener, UdpSocket};
 use crate::channel::sender::ChannelSender;
 use crate::cipher::Cipher;
 use crate::handle::CurrentDeviceInfo;
 use crate::ip_proxy::icmp_proxy::IcmpProxy;
 use crate::ip_proxy::tcp_proxy::TcpProxy;
 use crate::ip_proxy::udp_proxy::UdpProxy;
+use crossbeam_utils::atomic::AtomicCell;
+use dashmap::DashMap;
+use socket2::{SockAddr, Socket};
+use std::net::{Ipv4Addr, SocketAddrV4};
+use std::sync::Arc;
+use std::{io, thread};
+use tokio::net::{TcpListener, UdpSocket};
 
 pub mod icmp_proxy;
 pub mod tcp_proxy;
@@ -37,13 +37,18 @@ pub struct IpProxyMap {
 
 impl IpProxyMap {
     pub fn send_icmp(&self, buf: &[u8], dest: &Ipv4Addr) -> io::Result<usize> {
-        self.icmp_socket.send_to(buf, &SockAddr::from(SocketAddrV4::new(*dest, 0)))
+        self.icmp_socket
+            .send_to(buf, &SockAddr::from(SocketAddrV4::new(*dest, 0)))
     }
 }
 
-pub async fn init_proxy(sender: ChannelSender, current_device: Arc<AtomicCell<CurrentDeviceInfo>>, client_cipher: Cipher,) -> io::Result<(TcpProxy, UdpProxy, IpProxyMap)> {
-    let tcp_proxy_map: Arc<DashMap<SocketAddrV4,  SocketAddrV4>> = Arc::new(DashMap::new());
-    let udp_proxy_map: Arc<DashMap<SocketAddrV4,  SocketAddrV4>> = Arc::new(DashMap::new());
+pub async fn init_proxy(
+    sender: ChannelSender,
+    current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+    client_cipher: Cipher,
+) -> io::Result<(TcpProxy, UdpProxy, IpProxyMap)> {
+    let tcp_proxy_map: Arc<DashMap<SocketAddrV4, SocketAddrV4>> = Arc::new(DashMap::new());
+    let udp_proxy_map: Arc<DashMap<SocketAddrV4, SocketAddrV4>> = Arc::new(DashMap::new());
     let icmp_proxy_map: Arc<DashMap<(Ipv4Addr, u16, u16), Ipv4Addr>> = Arc::new(DashMap::new());
     let tcp_listener = TcpListener::bind("0.0.0.0:0").await?;
     let udp_socket = UdpSocket::bind("0.0.0.0:0").await?;
@@ -52,19 +57,28 @@ pub async fn init_proxy(sender: ChannelSender, current_device: Arc<AtomicCell<Cu
     let tcp_proxy = TcpProxy::new(tcp_listener, tcp_proxy_map.clone());
     let udp_proxy = UdpProxy::new(udp_socket, udp_proxy_map.clone());
     let addr = SocketAddrV4::new(Ipv4Addr::UNSPECIFIED, 0);
-    let icmp_proxy = IcmpProxy::new(addr, icmp_proxy_map.clone(),
-                                    sender.clone(), current_device.clone(),client_cipher)?;
+    let icmp_proxy = IcmpProxy::new(
+        addr,
+        icmp_proxy_map.clone(),
+        sender.clone(),
+        current_device.clone(),
+        client_cipher,
+    )?;
     let icmp_socket = icmp_proxy.icmp_socket();
     thread::spawn(move || {
         icmp_proxy.start();
     });
 
-    Ok((tcp_proxy, udp_proxy, IpProxyMap {
-        tcp_proxy_port,
-        udp_proxy_port,
-        tcp_proxy_map,
-        udp_proxy_map,
-        icmp_proxy_map,
-        icmp_socket,
-    }))
-}
+    Ok((
+        tcp_proxy,
+        udp_proxy,
+        IpProxyMap {
+            tcp_proxy_port,
+            udp_proxy_port,
+            tcp_proxy_map,
+            udp_proxy_map,
+            icmp_proxy_map,
+            icmp_socket,
+        },
+    ))
+}

vnt/src/ip_proxy/tcp_proxy.rs

@@ -1,7 +1,7 @@
+use dashmap::DashMap;
 use std::io;
 use std::net::{SocketAddr, SocketAddrV4};
 use std::sync::Arc;
-use dashmap::DashMap;
 
 use tokio::net::{TcpListener, TcpStream};
 
@@ -11,7 +11,10 @@ pub struct TcpProxy {
 }
 
 impl TcpProxy {
-    pub fn new(tcp_listener: TcpListener, tcp_proxy_map: Arc<DashMap<SocketAddrV4, SocketAddrV4>>) -> Self {
+    pub fn new(
+        tcp_listener: TcpListener,
+        tcp_proxy_map: Arc<DashMap<SocketAddrV4, SocketAddrV4>>,
+    ) -> Self {
         Self {
             tcp_listener,
             tcp_proxy_map,
@@ -22,33 +25,36 @@ impl TcpProxy {
         let tcp_proxy_map = self.tcp_proxy_map;
         loop {
             match tcp_listener.accept().await {
-                Ok((tcp_stream, sender_addr)) => {
-                    match sender_addr {
-                        SocketAddr::V4(sender_addr) => {
-                            if let Some(entry) = tcp_proxy_map.get(&sender_addr) {
-                                let dest_addr = *entry.value();
-                                drop(entry);
-                                let peer_tcp_stream = match TcpStream::connect(dest_addr).await {
-                                    Ok(peer_tcp_stream) => { peer_tcp_stream }
-                                    Err(e) => {
-                                        log::warn!("tcp代理异常:{:?},来源:{},目标：{}",e,sender_addr,dest_addr);
-                                        continue;
-                                    }
-                                };
-                                tokio::spawn(async move {
-                                    if let Err(e) = proxy(tcp_stream, peer_tcp_stream).await {
-                                        log::warn!("{}->{},{}",sender_addr,dest_addr,e);
-                                    }
-                                });
-                            }else {
-                                log::warn!("tcp代理异常: 来源:{},未找到目标",sender_addr);
-                            }
+                Ok((tcp_stream, sender_addr)) => match sender_addr {
+                    SocketAddr::V4(sender_addr) => {
+                        if let Some(entry) = tcp_proxy_map.get(&sender_addr) {
+                            let dest_addr = *entry.value();
+                            drop(entry);
+                            let peer_tcp_stream = match TcpStream::connect(dest_addr).await {
+                                Ok(peer_tcp_stream) => peer_tcp_stream,
+                                Err(e) => {
+                                    log::warn!(
+                                        "tcp代理异常:{:?},来源:{},目标：{}",
+                                        e,
+                                        sender_addr,
+                                        dest_addr
+                                    );
+                                    continue;
+                                }
+                            };
+                            tokio::spawn(async move {
+                                if let Err(e) = proxy(tcp_stream, peer_tcp_stream).await {
+                                    log::warn!("{}->{},{}", sender_addr, dest_addr, e);
+                                }
+                            });
+                        } else {
+                            log::warn!("tcp代理异常: 来源:{},未找到目标", sender_addr);
                         }
-                        SocketAddr::V6(_) => {}
                     }
-                }
+                    SocketAddr::V6(_) => {}
+                },
                 Err(e) => {
-                    log::warn!("tcp代理监听:{:?}",e);
+                    log::warn!("tcp代理监听:{:?}", e);
                 }
             }
         }

vnt/src/ip_proxy/udp_proxy.rs

@@ -1,8 +1,8 @@
+use dashmap::DashMap;
 use std::io;
 use std::net::{SocketAddr, SocketAddrV4};
 use std::sync::Arc;
 use std::time::Duration;
-use dashmap::DashMap;
 use tokio::net::UdpSocket;
 
 /// 一个udp代理，作用是利用系统协议栈，将udp数据报解析出来再转发到目的地址
@@ -14,10 +14,7 @@ pub struct UdpProxy {
 impl UdpProxy {
     pub fn new(udp_socket: UdpSocket, map: Arc<DashMap<SocketAddrV4, SocketAddrV4>>) -> Self {
         let udp_socket = Arc::new(udp_socket);
-        Self {
-            udp_socket,
-            map,
-        }
+        Self { udp_socket, map }
     }
     pub async fn start(self) {
         let map = self.map;
@@ -27,28 +24,33 @@ impl UdpProxy {
 
         loop {
             match udp_socket.recv_from(&mut buf).await {
-                Ok((len, sender_addr)) => {
-                    match sender_addr {
-                        SocketAddr::V4(sender_addr) => {
-                            match start0(&buf[..len], sender_addr, &inner_map, &map, &udp_socket).await {
-                                Ok(_) => {}
-                                Err(e) => {
-                                    log::warn!("udp代理异常:{:?},来源:{}",e,sender_addr);
-                                }
+                Ok((len, sender_addr)) => match sender_addr {
+                    SocketAddr::V4(sender_addr) => {
+                        match start0(&buf[..len], sender_addr, &inner_map, &map, &udp_socket).await
+                        {
+                            Ok(_) => {}
+                            Err(e) => {
+                                log::warn!("udp代理异常:{:?},来源:{}", e, sender_addr);
                             }
                         }
-                        SocketAddr::V6(_) => {}
                     }
-                }
+                    SocketAddr::V6(_) => {}
+                },
                 Err(e) => {
-                    log::warn!("udp代理异常:{:?}",e);
+                    log::warn!("udp代理异常:{:?}", e);
                 }
             };
         }
     }
 }
 
-async fn start0(buf: &[u8], sender_addr: SocketAddrV4, inner_map: &Arc<DashMap<SocketAddrV4, Arc<UdpSocket>>>, map: &Arc<DashMap<SocketAddrV4, SocketAddrV4>>, udp_socket: &Arc<UdpSocket>) -> io::Result<()> {
+async fn start0(
+    buf: &[u8],
+    sender_addr: SocketAddrV4,
+    inner_map: &Arc<DashMap<SocketAddrV4, Arc<UdpSocket>>>,
+    map: &Arc<DashMap<SocketAddrV4, SocketAddrV4>>,
+    udp_socket: &Arc<UdpSocket>,
+) -> io::Result<()> {
     if let Some(entry) = inner_map.get(&sender_addr) {
         let udp = entry.value().clone();
         drop(entry);
@@ -67,27 +69,35 @@ async fn start0(buf: &[u8], sender_addr: SocketAddrV4, inner_map: &Arc<DashMap<S
         tokio::spawn(async move {
             let mut buf = [0u8; 65536];
             loop {
-                match tokio::time::timeout(Duration::from_secs(300), peer_udp_socket.recv(&mut buf)).await {
-                    Ok(rs) => {
-                        match rs {
-                            Ok(len) => {
-                                match udp_socket.send_to(&buf[..len], sender_addr).await {
-                                    Ok(_) => {}
-                                    Err(e) => {
-                                        log::warn!("udp代理异常:{:?},来源:{},目标：{}",e,sender_addr,dest_addr);
-                                        break;
-                                    }
-                                }
-                            }
+                match tokio::time::timeout(Duration::from_secs(300), peer_udp_socket.recv(&mut buf))
+                    .await
+                {
+                    Ok(rs) => match rs {
+                        Ok(len) => match udp_socket.send_to(&buf[..len], sender_addr).await {
+                            Ok(_) => {}
                             Err(e) => {
-                                log::warn!("udp代理异常:{:?},来源:{},目标：{}",e,sender_addr,dest_addr);
+                                log::warn!(
+                                    "udp代理异常:{:?},来源:{},目标：{}",
+                                    e,
+                                    sender_addr,
+                                    dest_addr
+                                );
                                 break;
                             }
+                        },
+                        Err(e) => {
+                            log::warn!(
+                                "udp代理异常:{:?},来源:{},目标：{}",
+                                e,
+                                sender_addr,
+                                dest_addr
+                            );
+                            break;
                         }
-                    }
+                    },
                     Err(_) => {
                         //超时关闭
-                        log::warn!("udp代理超时关闭,来源:{},目标：{}",sender_addr,dest_addr);
+                        log::warn!("udp代理超时关闭,来源:{},目标：{}", sender_addr, dest_addr);
                         break;
                     }
                 }
@@ -97,4 +107,4 @@ async fn start0(buf: &[u8], sender_addr: SocketAddrV4, inner_map: &Arc<DashMap<S
         });
     }
     Ok(())
-}
+}

vnt/src/lib.rs

@@ -1,17 +1,17 @@
 use crate::error::Error;
-pub const VNT_VERSION:&'static str = "1.2.2";
+pub const VNT_VERSION: &'static str = "1.2.2";
 pub type Result<T> = std::result::Result<T, Error>;
 
+pub mod channel;
+pub mod cipher;
+pub mod core;
 pub mod error;
+pub mod external_route;
 pub mod handle;
+pub mod igmp_server;
+pub mod ip_proxy;
 pub mod nat;
 pub mod proto;
 pub mod protocol;
-pub mod ip_proxy;
-pub mod external_route;
-pub mod igmp_server;
 pub mod tun_tap_device;
-pub mod core;
-pub mod channel;
 pub mod util;
-pub mod cipher;

vnt/src/nat/mod.rs

@@ -1,6 +1,6 @@
 use std::io;
-use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddrV4, SocketAddrV6};
 use std::net::UdpSocket;
+use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddrV4, SocketAddrV6};
 use std::sync::Arc;
 
 use parking_lot::Mutex;
@@ -15,12 +15,8 @@ pub fn local_ipv4() -> io::Result<Ipv4Addr> {
     socket.connect("8.8.8.8:80")?;
     let addr = socket.local_addr()?;
     match addr.ip() {
-        IpAddr::V4(ip) => {
-            Ok(ip)
-        }
-        IpAddr::V6(_) => {
-            Ok(Ipv4Addr::UNSPECIFIED)
-        }
+        IpAddr::V4(ip) => Ok(ip),
+        IpAddr::V6(_) => Ok(Ipv4Addr::UNSPECIFIED),
     }
 }
 
@@ -29,22 +25,16 @@ pub fn local_ipv6() -> io::Result<Ipv6Addr> {
     socket.connect("[2001:4860:4860::8888]:80")?;
     let addr = socket.local_addr()?;
     match addr.ip() {
-        IpAddr::V4(_) => {
-            Ok(Ipv6Addr::UNSPECIFIED)
-        }
-        IpAddr::V6(ip) => {
-            Ok(ip)
-        }
+        IpAddr::V4(_) => Ok(Ipv6Addr::UNSPECIFIED),
+        IpAddr::V6(ip) => Ok(ip),
     }
 }
 
 pub fn local_ipv4_addr(port: u16) -> SocketAddrV4 {
     match local_ipv4() {
-        Ok(ipv4) => {
-            SocketAddrV4::new(ipv4, port)
-        }
+        Ok(ipv4) => SocketAddrV4::new(ipv4, port),
         Err(e) => {
-            log::warn!("获取本地ipv4地址失败:{}",e);
+            log::warn!("获取本地ipv4地址失败:{}", e);
             SocketAddrV4::new(Ipv4Addr::UNSPECIFIED, 0)
         }
     }
@@ -52,11 +42,9 @@ pub fn local_ipv4_addr(port: u16) -> SocketAddrV4 {
 
 pub fn local_ipv6_addr(port: u16) -> SocketAddrV6 {
     match local_ipv6() {
-        Ok(ipv6) => {
-            SocketAddrV6::new(ipv6, port, 0, 0)
-        }
+        Ok(ipv6) => SocketAddrV6::new(ipv6, port, 0, 0),
         Err(e) => {
-            log::warn!("获取本地ipv6地址失败:{}",e);
+            log::warn!("获取本地ipv6地址失败:{}", e);
             SocketAddrV6::new(Ipv6Addr::UNSPECIFIED, 0, 0, 0)
         }
     }
@@ -105,19 +93,13 @@ impl NatTest {
             NatType::Cone,
         );
         let info = Arc::new(Mutex::new(nat_info));
-        let nat_test = NatTest {
-            stun_server,
-            info,
-        };
+        let nat_test = NatTest { stun_server, info };
         {
             let nat_test = nat_test.clone();
             tokio::spawn(async move {
-                let _ = nat_test.re_test(
-                    public_ip,
-                    public_port,
-                    local_ipv4_addr,
-                    ipv6_addr,
-                ).await;
+                let _ = nat_test
+                    .re_test(public_ip, public_port, local_ipv4_addr, ipv6_addr)
+                    .await;
             });
         }
         nat_test
@@ -145,7 +127,8 @@ impl NatTest {
             public_port,
             local_ipv4_addr,
             ipv6_addr,
-        ).await;
+        )
+        .await;
         *self.info.lock() = info.clone();
         info
     }

vnt/src/nat/stun_test.rs

@@ -3,9 +3,9 @@ use std::io;
 use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6};
 use std::time::Duration;
 
+use crate::channel::punch::NatType;
 use stun_format::Attr;
 use tokio::net::UdpSocket;
-use crate::channel::punch::NatType;
 
 pub async fn stun_test_nat(stun_servers: Vec<String>) -> io::Result<(NatType, Vec<Ipv4Addr>, u16)> {
     let mut h = Vec::new();
@@ -68,21 +68,30 @@ async fn test_nat(stun_server: String) -> io::Result<(NatType, Vec<Ipv4Addr>, u1
     Ok((nat_type, hash_set.into_iter().collect(), port_range))
 }
 
-async fn test_nat_(udp: &UdpSocket, change_ip: bool, change_port: bool) -> io::Result<(SocketAddr, SocketAddr)> {
+async fn test_nat_(
+    udp: &UdpSocket,
+    change_ip: bool,
+    change_port: bool,
+) -> io::Result<(SocketAddr, SocketAddr)> {
     for _ in 0..2 {
         let mut buf = [0u8; 28];
         let mut msg = stun_format::MsgBuilder::from(buf.as_mut_slice());
         msg.typ(stun_format::MsgType::BindingRequest).unwrap();
         msg.tid(1).unwrap();
-        msg.add_attr(Attr::ChangeRequest { change_ip, change_port }).unwrap();
+        msg.add_attr(Attr::ChangeRequest {
+            change_ip,
+            change_port,
+        })
+        .unwrap();
         udp.send(msg.as_bytes()).await?;
         let mut buf = [0; 10240];
-        let (len, addr) = match tokio::time::timeout(Duration::from_millis(300), udp.recv_from(&mut buf)).await {
-            Ok(rs) => { rs? }
-            Err(_) => {
-                continue;
-            }
-        };
+        let (len, addr) =
+            match tokio::time::timeout(Duration::from_millis(300), udp.recv_from(&mut buf)).await {
+                Ok(rs) => rs?,
+                Err(_) => {
+                    continue;
+                }
+            };
         let msg = stun_format::Msg::from(&buf[..len]);
         let mut mapped_addr = None;
         let mut changed_addr = None;
@@ -126,4 +135,3 @@ fn stun_addr(addr: stun_format::SocketAddr) -> SocketAddr {
         }
     }
 }
-

vnt/src/protocol/body.rs

@@ -2,26 +2,26 @@ use std::{fmt, io};
 
 pub const ENCRYPTION_RESERVED: usize = 32;
 /* aes_gcm加密数据体
-   0                                            15                                              31
-   0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                          数据体                                              |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                         random(32)                                          |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                          tag(32)                                            |
-  |                                          tag(32)                                            |
-  |                                          tag(32)                                            |
-  |                                          tag(32)                                            |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                         finger(32)                                          |
-  |                                         finger(32)                                          |
-  |                                         finger(32)                                          |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+  0                                            15                                              31
+  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |                                          数据体                                              |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |                                         random(32)                                          |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |                                          tag(32)                                            |
+ |                                          tag(32)                                            |
+ |                                          tag(32)                                            |
+ |                                          tag(32)                                            |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |                                         finger(32)                                          |
+ |                                         finger(32)                                          |
+ |                                         finger(32)                                          |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 
-  注：finger用于快速校验数据是否被修改，上层可使用token、协议头参与计算finger，
-     确保服务端和客户端都能感知修改(服务端不能解密也能校验指纹)
- */
+ 注：finger用于快速校验数据是否被修改，上层可使用token、协议头参与计算finger，
+    确保服务端和客户端都能感知修改(服务端不能解密也能校验指纹)
+*/
 pub struct SecretBody<B> {
     buffer: B,
     exist_finger: bool,
@@ -30,11 +30,7 @@ pub struct SecretBody<B> {
 impl<B: AsRef<[u8]>> SecretBody<B> {
     pub fn new(buffer: B, exist_finger: bool) -> io::Result<SecretBody<B>> {
         let len = buffer.as_ref().len();
-        let min_len = if exist_finger {
-            32
-        } else {
-            32 - 12
-        };
+        let min_len = if exist_finger { 32 } else { 32 - 12 };
         // 不能大于udp最大载荷长度
         if len < min_len || len > 65535 - 20 - 8 - 12 {
             return Err(io::Error::new(
@@ -42,7 +38,10 @@ impl<B: AsRef<[u8]>> SecretBody<B> {
                 "SecretBody length overflow",
             ));
         }
-        Ok(SecretBody { buffer, exist_finger })
+        Ok(SecretBody {
+            buffer,
+            exist_finger,
+        })
     }
     pub fn random(&self) -> u32 {
         let mut end = self.buffer.as_ref().len() - 16;
@@ -109,13 +108,19 @@ impl<B: AsRef<[u8]> + AsMut<[u8]>> SecretBody<B> {
     pub fn set_finger(&mut self, finger: &[u8]) -> io::Result<()> {
         if self.exist_finger {
             if finger.len() != 12 {
-                return Err(io::Error::new(io::ErrorKind::InvalidData, "finger.len != 12"));
+                return Err(io::Error::new(
+                    io::ErrorKind::InvalidData,
+                    "finger.len != 12",
+                ));
             }
             let end = self.buffer.as_ref().len();
             self.buffer.as_mut()[end - 12..end].copy_from_slice(finger);
             Ok(())
         } else {
-            Err(io::Error::new(io::ErrorKind::InvalidData, "not exist finger"))
+            Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "not exist finger",
+            ))
         }
     }
 
@@ -158,21 +163,21 @@ impl<B: AsRef<[u8]>> fmt::Debug for SecretBody<B> {
     }
 }
 /* aes_cbc加密数据体
-   0                                            15                                              31
-   0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                          数据体                                              |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                         random(32)                                          |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                         finger(32)                                          |
-  |                                         finger(32)                                          |
-  |                                         finger(32)                                          |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+  0                                            15                                              31
+  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |                                          数据体                                              |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |                                         random(32)                                          |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |                                         finger(32)                                          |
+ |                                         finger(32)                                          |
+ |                                         finger(32)                                          |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 
-  注：finger用于快速校验数据是否被修改，上层可使用token、协议头参与计算finger，
-     确保服务端和客户端都能感知修改(服务端不能解密也能校验指纹)
- */
+ 注：finger用于快速校验数据是否被修改，上层可使用token、协议头参与计算finger，
+    确保服务端和客户端都能感知修改(服务端不能解密也能校验指纹)
+*/
 pub struct AesCbcSecretBody<B> {
     buffer: B,
     exist_finger: bool,
@@ -181,11 +186,7 @@ pub struct AesCbcSecretBody<B> {
 impl<B: AsRef<[u8]>> AesCbcSecretBody<B> {
     pub fn new(buffer: B, exist_finger: bool) -> io::Result<AesCbcSecretBody<B>> {
         let len = buffer.as_ref().len();
-        let min_len = if exist_finger {
-            16
-        } else {
-            16 - 12
-        };
+        let min_len = if exist_finger { 16 } else { 16 - 12 };
         // 不能大于udp最大载荷长度
         if len < min_len || len > 65535 - 20 - 8 - 12 {
             return Err(io::Error::new(
@@ -193,7 +194,10 @@ impl<B: AsRef<[u8]>> AesCbcSecretBody<B> {
                 "AesCbcSecretBody length overflow",
             ));
         }
-        Ok(AesCbcSecretBody { buffer, exist_finger })
+        Ok(AesCbcSecretBody {
+            buffer,
+            exist_finger,
+        })
     }
     pub fn en_body(&self) -> &[u8] {
         let mut end = self.buffer.as_ref().len();
@@ -223,13 +227,19 @@ impl<B: AsRef<[u8]> + AsMut<[u8]>> AesCbcSecretBody<B> {
     pub fn set_finger(&mut self, finger: &[u8]) -> io::Result<()> {
         if self.exist_finger {
             if finger.len() != 12 {
-                return Err(io::Error::new(io::ErrorKind::InvalidData, "finger.len != 12"));
+                return Err(io::Error::new(
+                    io::ErrorKind::InvalidData,
+                    "finger.len != 12",
+                ));
             }
             let end = self.buffer.as_ref().len();
             self.buffer.as_mut()[end - 12..end].copy_from_slice(finger);
             Ok(())
         } else {
-            Err(io::Error::new(io::ErrorKind::InvalidData, "cbc not exist finger"))
+            Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "cbc not exist finger",
+            ))
         }
     }
     pub fn en_body_mut(&mut self) -> &mut [u8] {
@@ -242,22 +252,22 @@ impl<B: AsRef<[u8]> + AsMut<[u8]>> AesCbcSecretBody<B> {
 }
 
 /* rsa加密数据体
-   0                                            15                                              31
-   0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                          数据体(n)                                            |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                         random(32)                                          |
-  |                                         random(32)                                          |
-  |                                         random(32)                                          |
-  |                                         random(32)                                          |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                         finger(32)                                          |
-  |                                         finger(32)                                          |
-  |                                         finger(32)                                          |
-  |                                         finger(32)                                          |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
+  0                                            15                                              31
+  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |                                          数据体(n)                                            |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |                                         random(32)                                          |
+ |                                         random(32)                                          |
+ |                                         random(32)                                          |
+ |                                         random(32)                                          |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |                                         finger(32)                                          |
+ |                                         finger(32)                                          |
+ |                                         finger(32)                                          |
+ |                                         finger(32)                                          |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
 pub struct RsaSecretBody<B> {
     buffer: B,
 }
@@ -298,7 +308,10 @@ impl<B: AsRef<[u8]>> RsaSecretBody<B> {
 impl<B: AsRef<[u8]> + AsMut<[u8]>> RsaSecretBody<B> {
     pub fn set_random(&mut self, random: &[u8]) -> io::Result<()> {
         if random.len() != 16 {
-            return Err(io::Error::new(io::ErrorKind::InvalidData, "random.len != 16"));
+            return Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "random.len != 16",
+            ));
         }
         let end = self.buffer.as_ref().len() - 16;
         self.buffer.as_mut()[end - 16..end].copy_from_slice(random);
@@ -310,10 +323,13 @@ impl<B: AsRef<[u8]> + AsMut<[u8]>> RsaSecretBody<B> {
     }
     pub fn set_finger(&mut self, finger: &[u8]) -> io::Result<()> {
         if finger.len() != 16 {
-            return Err(io::Error::new(io::ErrorKind::InvalidData, "finger.len != 16"));
+            return Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "finger.len != 16",
+            ));
         }
         let end = self.buffer.as_ref().len();
         self.buffer.as_mut()[end - 16..end].copy_from_slice(finger);
         Ok(())
     }
-}
+}

vnt/src/protocol/control_packet.rs

@@ -1,5 +1,5 @@
-use std::{fmt, io};
 use std::net::Ipv4Addr;
+use std::{fmt, io};
 
 #[derive(Eq, PartialEq, Copy, Clone, Debug)]
 pub enum Protocol {

vnt/src/protocol/ip_turn_packet.rs

@@ -40,7 +40,10 @@ impl<B: AsRef<[u8]>> BroadcastPacket<B> {
         let len = buffer.as_ref().len();
         let packet = Self::unchecked(buffer);
         if len < 2 + 4 || packet.addr_num() == 0 {
-            Err(io::Error::new(io::ErrorKind::InvalidData, "BroadcastPacket InvalidData"))
+            Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "BroadcastPacket InvalidData",
+            ))
         } else {
             Ok(packet)
         }

vnt/src/protocol/mod.rs

@@ -1,6 +1,6 @@
-use std::{fmt, io};
-use std::net::Ipv4Addr;
 use crate::protocol::body::ENCRYPTION_RESERVED;
+use std::net::Ipv4Addr;
+use std::{fmt, io};
 
 /*
    0                                            15                                              31
@@ -21,9 +21,9 @@ pub const HEAD_LEN: usize = 12;
 pub mod body;
 pub mod control_packet;
 pub mod error_packet;
-pub mod service_packet;
 pub mod ip_turn_packet;
 pub mod other_turn_packet;
+pub mod service_packet;
 
 #[derive(Eq, PartialEq, Copy, Clone, Debug)]
 pub enum Version {
@@ -230,7 +230,10 @@ impl<B: AsRef<[u8]> + AsMut<[u8]>> NetPacket<B> {
     }
     pub fn set_payload(&mut self, payload: &[u8]) -> io::Result<()> {
         if self.data_len - 12 != payload.len() {
-            return Err(io::Error::new(io::ErrorKind::InvalidData, "data_len - 12 != payload.len"));
+            return Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "data_len - 12 != payload.len",
+            ));
         }
         self.buffer.as_mut()[12..self.data_len].copy_from_slice(payload);
         Ok(())
@@ -240,7 +243,10 @@ impl<B: AsRef<[u8]> + AsMut<[u8]>> NetPacket<B> {
     }
     pub fn set_data_len(&mut self, data_len: usize) -> io::Result<()> {
         if data_len > self.buffer.as_ref().len() || data_len < 12 {
-            return Err(io::Error::new(io::ErrorKind::InvalidData, "data_len invalid"));
+            return Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "data_len invalid",
+            ));
         }
         self.data_len = data_len;
         Ok(())

vnt/src/tun_tap_device/android.rs

@@ -45,4 +45,4 @@ impl DeviceReader {
 
 pub fn create(fd: i32) -> (DeviceWriter, DeviceReader) {
     (DeviceWriter(fd as _), DeviceReader(fd as _))
-}
+}

vnt/src/tun_tap_device/linux.rs

@@ -1,18 +1,24 @@
+use crate::tun_tap_device::linux_mac::DeviceW;
+use crate::tun_tap_device::{DeviceReader, DeviceType, DeviceWriter, DriverInfo};
+use parking_lot::Mutex;
 use std::io;
 use std::net::Ipv4Addr;
-use crate::tun_tap_device::{DeviceReader, DeviceType, DeviceWriter, DriverInfo};
-use tun::Device;
-use parking_lot::Mutex;
 use std::process::Command;
 use std::sync::Arc;
-use crate::tun_tap_device::linux_mac::DeviceW;
+use tun::Device;
 
 impl DeviceWriter {
-    pub fn change_ip(&self, address: Ipv4Addr, netmask: Ipv4Addr,
-                     gateway: Ipv4Addr, _old_netmask: Ipv4Addr, _old_gateway: Ipv4Addr) -> io::Result<()> {
+    pub fn change_ip(
+        &self,
+        address: Ipv4Addr,
+        netmask: Ipv4Addr,
+        gateway: Ipv4Addr,
+        _old_netmask: Ipv4Addr,
+        _old_gateway: Ipv4Addr,
+    ) -> io::Result<()> {
         let mut config = tun::Configuration::default();
-        let broadcast_address = (!u32::from_be_bytes(netmask.octets()))
-            | u32::from_be_bytes(gateway.octets());
+        let broadcast_address =
+            (!u32::from_be_bytes(netmask.octets())) | u32::from_be_bytes(gateway.octets());
         let broadcast_address = Ipv4Addr::from(broadcast_address);
         config
             .destination(gateway)
@@ -33,37 +39,45 @@ impl DeviceWriter {
         // add_route(name, address, netmask)?;
         // 广播和组播路由
         add_route(name, Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST)?;
-        add_route(name, Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]))?;
+        add_route(
+            name,
+            Ipv4Addr::from([224, 0, 0, 0]),
+            Ipv4Addr::from([240, 0, 0, 0]),
+        )?;
         return Ok(());
     }
 }
 
 pub fn add_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-    let route_add_str: String = format!(
-        "ip route add {:?}/{:?} dev {}",
-        address, netmask, name
-    );
+    let route_add_str: String = format!("ip route add {:?}/{:?} dev {}", address, netmask, name);
     let route_add_out = Command::new("sh")
         .arg("-c")
         .arg(&route_add_str)
         .output()
         .expect("sh exec error!");
     if !route_add_out.status.success() {
-        return Err(io::Error::new(io::ErrorKind::Other, format!("添加路由失败: cmd:{},out:{:?}", route_add_str, route_add_out)));
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!(
+                "添加路由失败: cmd:{},out:{:?}",
+                route_add_str, route_add_out
+            ),
+        ));
     }
     Ok(())
 }
 
-pub fn create_device(device_type: DeviceType,
-                     address: Ipv4Addr,
-                     netmask: Ipv4Addr,
-                     gateway: Ipv4Addr,
-                     in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
-                     mtu: u16,
-) -> io::Result<(DeviceWriter, DeviceReader,DriverInfo)> {
+pub fn create_device(
+    device_type: DeviceType,
+    address: Ipv4Addr,
+    netmask: Ipv4Addr,
+    gateway: Ipv4Addr,
+    in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
+    mtu: u16,
+) -> io::Result<(DeviceWriter, DeviceReader, DriverInfo)> {
     let mut config = tun::Configuration::default();
-    let broadcast_address = (!u32::from_be_bytes(netmask.octets()))
-        | u32::from_be_bytes(gateway.octets());
+    let broadcast_address =
+        (!u32::from_be_bytes(netmask.octets())) | u32::from_be_bytes(gateway.octets());
     let broadcast_address = Ipv4Addr::from(broadcast_address);
     config
         .destination(gateway)
@@ -92,11 +106,13 @@ pub fn create_device(device_type: DeviceType,
     // add_route(name, address, netmask)?;
     // 广播和组播路由
     add_route(name, Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST)?;
-    add_route(name, Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]))?;
+    add_route(
+        name,
+        Ipv4Addr::from([224, 0, 0, 0]),
+        Ipv4Addr::from([240, 0, 0, 0]),
+    )?;
     let device_w = match device_type {
-        DeviceType::Tun => {
-            DeviceW::Tun(writer)
-        }
+        DeviceType::Tun => DeviceW::Tun(writer),
         DeviceType::Tap => {
             let get_mac_cmd = format!("cat /sys/class/net/{}/address", name);
             let mac_out = Command::new("sh")
@@ -105,7 +121,10 @@ pub fn create_device(device_type: DeviceType,
                 .output()
                 .expect("sh exec error!");
             if !mac_out.status.success() {
-                return Err(io::Error::new(io::ErrorKind::Other, format!("获取mac地址错误: {:?}", mac_out)));
+                return Err(io::Error::new(
+                    io::ErrorKind::Other,
+                    format!("获取mac地址错误: {:?}", mac_out),
+                ));
             }
             let mac_str = String::from_utf8(mac_out.stdout).unwrap();
             let mut mac = [0; 6];
@@ -118,15 +137,21 @@ pub fn create_device(device_type: DeviceType,
     };
     let driver_info = DriverInfo {
         device_type,
-        name:name.to_string(),
-        version:String::new(),
+        name: name.to_string(),
+        version: String::new(),
         mac: None,
     };
     Ok((
-        DeviceWriter::new(device_w, Arc::new(Mutex::new(dev)), in_ips, address, packet_information),
+        DeviceWriter::new(
+            device_w,
+            Arc::new(Mutex::new(dev)),
+            in_ips,
+            address,
+            packet_information,
+        ),
         DeviceReader::new(reader),
         driver_info,
     ))
 }
 
-pub fn delete_device(_device_type: DeviceType) {}
+pub fn delete_device(_device_type: DeviceType) {}

vnt/src/tun_tap_device/linux_mac.rs

@@ -2,15 +2,15 @@ use std::io;
 use std::sync::Arc;
 
 use bytes::BufMut;
-use tun::platform::posix::{Reader, Writer};
+use packet::ethernet;
+use parking_lot::Mutex;
 use std::net::Ipv4Addr;
 use std::os::unix::io::AsRawFd;
 #[cfg(any(target_os = "linux"))]
 use tun::platform::linux::Device;
 #[cfg(any(target_os = "macos"))]
 use tun::platform::macos::Device;
-use parking_lot::Mutex;
-use packet::ethernet;
+use tun::platform::posix::{Reader, Writer};
 
 use packet::ethernet::packet::EthernetPacket;
 #[derive(Clone)]
@@ -22,12 +22,8 @@ pub enum DeviceW {
 impl DeviceW {
     pub fn is_tun(&self) -> bool {
         match self {
-            DeviceW::Tun(_) => {
-                true
-            }
-            DeviceW::Tap(_) => {
-                false
-            }
+            DeviceW::Tun(_) => true,
+            DeviceW::Tap(_) => false,
         }
     }
 }
@@ -41,7 +37,13 @@ pub struct DeviceWriter {
 }
 
 impl DeviceWriter {
-    pub fn new(writer: DeviceW,lock: Arc<Mutex<Device>>, in_ips: Vec<(Ipv4Addr, Ipv4Addr)>, _ip: Ipv4Addr, packet_information: bool) -> Self {
+    pub fn new(
+        writer: DeviceW,
+        lock: Arc<Mutex<Device>>,
+        in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
+        _ip: Ipv4Addr,
+        packet_information: bool,
+    ) -> Self {
         Self {
             writer,
             lock,
@@ -69,33 +71,30 @@ impl DeviceWriter {
     ///tun网卡写入ipv4数据
     pub fn write_ipv4_tun(&self, buf: &[u8]) -> io::Result<()> {
         match &self.writer {
-            DeviceW::Tun(writer) => {
-                Self::write(self.packet_information, writer, buf)
-            }
-            DeviceW::Tap(_) => {
-                Err(io::Error::from(io::ErrorKind::Unsupported))
-            }
+            DeviceW::Tun(writer) => Self::write(self.packet_information, writer, buf),
+            DeviceW::Tap(_) => Err(io::Error::from(io::ErrorKind::Unsupported)),
         }
     }
     /// tap网卡写入以太网帧
     pub fn write_ethernet_tap(&self, buf: &[u8]) -> io::Result<()> {
         match &self.writer {
-            DeviceW::Tun(_) => {
-                Err(io::Error::from(io::ErrorKind::Unsupported))
-            }
-            DeviceW::Tap((writer, _)) => {
-                Self::write(self.packet_information, writer, buf)
-            }
+            DeviceW::Tun(_) => Err(io::Error::from(io::ErrorKind::Unsupported)),
+            DeviceW::Tap((writer, _)) => Self::write(self.packet_information, writer, buf),
         }
     }
     ///写入ipv4数据，头部必须留14字节，给tap写入以太网帧头
     pub fn write_ipv4(&self, buf: &mut [u8]) -> io::Result<()> {
         match &self.writer {
-            DeviceW::Tun(writer) => {
-                Self::write(self.packet_information, writer, &buf[14..])
-            }
+            DeviceW::Tun(writer) => Self::write(self.packet_information, writer, &buf[14..]),
             DeviceW::Tap((writer, mac)) => {
-                let source_mac = [buf[14 + 12], buf[14 + 13], buf[14 + 14], buf[14 + 15], !mac[5], 234];
+                let source_mac = [
+                    buf[14 + 12],
+                    buf[14 + 13],
+                    buf[14 + 14],
+                    buf[14 + 15],
+                    !mac[5],
+                    234,
+                ];
                 let mut ethernet_packet = EthernetPacket::unchecked(buf);
                 ethernet_packet.set_source(&source_mac);
                 ethernet_packet.set_destination(mac);

vnt/src/tun_tap_device/mac.rs

@@ -1,15 +1,21 @@
+use crate::tun_tap_device::linux_mac::DeviceW;
+use crate::tun_tap_device::{DeviceReader, DeviceType, DeviceWriter, DriverInfo};
+use parking_lot::Mutex;
 use std::io;
 use std::net::Ipv4Addr;
-use crate::tun_tap_device::{DeviceReader, DeviceType, DeviceWriter, DriverInfo};
-use tun::Device;
-use parking_lot::Mutex;
 use std::process::Command;
 use std::sync::Arc;
-use crate::tun_tap_device::linux_mac::DeviceW;
+use tun::Device;
 
 impl DeviceWriter {
-    pub fn change_ip(&self, address: Ipv4Addr, netmask: Ipv4Addr,
-                     gateway: Ipv4Addr, _old_netmask: Ipv4Addr, _old_gateway: Ipv4Addr) -> io::Result<()> {
+    pub fn change_ip(
+        &self,
+        address: Ipv4Addr,
+        netmask: Ipv4Addr,
+        gateway: Ipv4Addr,
+        _old_netmask: Ipv4Addr,
+        _old_gateway: Ipv4Addr,
+    ) -> io::Result<()> {
         let mut config = tun::Configuration::default();
         config
             .destination(gateway)
@@ -21,7 +27,7 @@ impl DeviceWriter {
             return Err(io::Error::new(io::ErrorKind::Other, format!("{:?}", e)));
         }
         if let Err(e) = config_ip(dev.name(), address, netmask, gateway) {
-            log::error!("{}",e);
+            log::error!("{}", e);
         }
         let name = dev.name();
         for (address, netmask) in &self.in_ips {
@@ -31,17 +37,22 @@ impl DeviceWriter {
         add_route(name, address, netmask)?;
         // 广播和组播路由
         add_route(name, Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST)?;
-        add_route(name, Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]))?;
+        add_route(
+            name,
+            Ipv4Addr::from([224, 0, 0, 0]),
+            Ipv4Addr::from([240, 0, 0, 0]),
+        )?;
         return Ok(());
     }
 }
 
-pub fn create_device(device_type: DeviceType,
-                     address: Ipv4Addr,
-                     netmask: Ipv4Addr,
-                     gateway: Ipv4Addr,
-                     in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
-                     mtu: u16,
+pub fn create_device(
+    device_type: DeviceType,
+    address: Ipv4Addr,
+    netmask: Ipv4Addr,
+    gateway: Ipv4Addr,
+    in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
+    mtu: u16,
 ) -> io::Result<(DeviceWriter, DeviceReader, DriverInfo)> {
     match device_type {
         DeviceType::Tun => {}
@@ -68,7 +79,11 @@ pub fn create_device(device_type: DeviceType,
     add_route(name, address, netmask)?;
     // 广播和组播路由
     add_route(name, Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST)?;
-    add_route(name, Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]))?;
+    add_route(
+        name,
+        Ipv4Addr::from([224, 0, 0, 0]),
+        Ipv4Addr::from([240, 0, 0, 0]),
+    )?;
     let packet_information = dev.has_packet_information();
     let queue = dev.queue(0).unwrap();
     let reader = queue.reader();
@@ -80,9 +95,15 @@ pub fn create_device(device_type: DeviceType,
         mac: None,
     };
     Ok((
-        DeviceWriter::new(DeviceW::Tun(writer), Arc::new(Mutex::new(dev)), in_ips, address, packet_information),
+        DeviceWriter::new(
+            DeviceW::Tun(writer),
+            Arc::new(Mutex::new(dev)),
+            in_ips,
+            address,
+            packet_information,
+        ),
         DeviceReader::new(reader),
-        driver_info
+        driver_info,
     ))
 }
 
@@ -97,12 +118,23 @@ fn add_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()>
         .output()
         .expect("sh exec error!");
     if !route_add_out.status.success() {
-        return Err(io::Error::new(io::ErrorKind::Other, format!("添加路由失败: cmd:{},out:{:?}", route_add_str, route_add_out)));
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!(
+                "添加路由失败: cmd:{},out:{:?}",
+                route_add_str, route_add_out
+            ),
+        ));
     }
     Ok(())
 }
 
-fn config_ip(name: &str, address: Ipv4Addr, _netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()> {
+fn config_ip(
+    name: &str,
+    address: Ipv4Addr,
+    _netmask: Ipv4Addr,
+    gateway: Ipv4Addr,
+) -> io::Result<()> {
     let up_eth_str: String = format!("ifconfig {} {:?} {:?} up ", name, address, gateway);
     let up_eth_out = Command::new("sh")
         .arg("-c")
@@ -110,9 +142,12 @@ fn config_ip(name: &str, address: Ipv4Addr, _netmask: Ipv4Addr, gateway: Ipv4Add
         .output()
         .expect("sh exec error!");
     if !up_eth_out.status.success() {
-        return Err(io::Error::new(io::ErrorKind::Other, format!("设置网络地址失败: cmd:{},out:{:?}", up_eth_str, up_eth_out)));
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!("设置网络地址失败: cmd:{},out:{:?}", up_eth_str, up_eth_out),
+        ));
     }
     Ok(())
 }
 
-pub fn delete_device(_device_type: DeviceType) {}
+pub fn delete_device(_device_type: DeviceType) {}

vnt/src/tun_tap_device/mod.rs

@@ -1,25 +1,24 @@
-#[cfg(target_os = "windows")]
-mod windows;
-#[cfg(any(target_os = "linux"))]
-mod linux;
-#[cfg(target_os = "macos")]
-mod mac;
-#[cfg(any(target_os = "linux", target_os = "macos"))]
-mod linux_mac;
 #[cfg(target_os = "android")]
 mod android;
+#[cfg(any(target_os = "linux"))]
+mod linux;
+#[cfg(any(target_os = "linux", target_os = "macos"))]
+mod linux_mac;
+#[cfg(target_os = "macos")]
+mod mac;
+#[cfg(target_os = "windows")]
+mod windows;
 
-
+#[cfg(target_os = "android")]
+pub use android::create;
+#[cfg(target_os = "android")]
+pub use android::{DeviceReader, DeviceWriter};
 #[cfg(any(target_os = "linux"))]
 pub use linux::create_device;
 #[cfg(any(target_os = "linux"))]
 pub use linux::delete_device;
-#[cfg(target_os = "android")]
-pub use android::create;
 #[cfg(any(target_os = "linux", target_os = "macos"))]
-pub use linux_mac::{DeviceWriter, DeviceReader};
-#[cfg(target_os = "android")]
-pub use android::{DeviceWriter, DeviceReader};
+pub use linux_mac::{DeviceReader, DeviceWriter};
 #[cfg(target_os = "macos")]
 pub use mac::create_device;
 #[cfg(target_os = "macos")]
@@ -30,7 +29,7 @@ pub use windows::create_device;
 #[cfg(target_os = "windows")]
 pub use windows::delete_device;
 #[cfg(target_os = "windows")]
-pub use windows::{DeviceWriter, DeviceReader};
+pub use windows::{DeviceReader, DeviceWriter};
 
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
 pub enum DeviceType {
@@ -50,4 +49,4 @@ pub struct DriverInfo {
     pub name: String,
     pub version: String,
     pub mac: Option<String>,
-}
+}

vnt/src/tun_tap_device/windows.rs

@@ -1,14 +1,14 @@
-use std::{io, thread};
+use crate::tun_tap_device::{DeviceType, DriverInfo};
+use libloading::Library;
+use packet::ethernet;
+use packet::ethernet::packet::EthernetPacket;
+use parking_lot::Mutex;
 use std::net::Ipv4Addr;
 use std::os::windows::process::CommandExt;
 use std::sync::Arc;
 use std::time::Duration;
-use libloading::Library;
-use parking_lot::Mutex;
-use packet::ethernet;
-use packet::ethernet::packet::EthernetPacket;
+use std::{io, thread};
 use win_tun_tap::{IFace, TapDevice, TunDevice};
-use crate::tun_tap_device::{DriverInfo, DeviceType};
 
 pub const TUN_INTERFACE_NAME: &str = "Vnt-Tun-V1";
 pub const TUN_POOL_NAME: &str = "Vnt-Tun-V1";
@@ -22,12 +22,8 @@ pub enum Device {
 impl Device {
     pub fn is_tun(&self) -> bool {
         match self {
-            Device::Tun(_) => {
-                true
-            }
-            Device::Tap(_) => {
-                false
-            }
+            Device::Tun(_) => true,
+            Device::Tap(_) => false,
         }
     }
 }
@@ -59,17 +55,13 @@ impl DeviceWriter {
                 dev.send_packet(packet);
                 Ok(())
             }
-            Device::Tap(_) => {
-                Err(io::Error::from(io::ErrorKind::Unsupported))
-            }
+            Device::Tap(_) => Err(io::Error::from(io::ErrorKind::Unsupported)),
         }
     }
     /// tap网卡写入以太网帧
     pub fn write_ethernet_tap(&self, buf: &[u8]) -> io::Result<()> {
         match self.device.as_ref() {
-            Device::Tun(_) => {
-                Err(io::Error::from(io::ErrorKind::Unsupported))
-            }
+            Device::Tun(_) => Err(io::Error::from(io::ErrorKind::Unsupported)),
             Device::Tap((dev, _)) => {
                 dev.write(buf)?;
                 Ok(())
@@ -85,7 +77,14 @@ impl DeviceWriter {
                 dev.send_packet(packet);
             }
             Device::Tap((dev, mac)) => {
-                let source_mac = [buf[14 + 12], buf[14 + 13], buf[14 + 14], buf[14 + 15], !mac[5], 234];
+                let source_mac = [
+                    buf[14 + 12],
+                    buf[14 + 13],
+                    buf[14 + 14],
+                    buf[14 + 15],
+                    !mac[5],
+                    234,
+                ];
                 let mut ethernet_packet = EthernetPacket::unchecked(buf);
                 ethernet_packet.set_source(&source_mac);
                 ethernet_packet.set_destination(mac);
@@ -105,16 +104,10 @@ impl DeviceWriter {
     ) -> io::Result<()> {
         let _guard = self.lock.lock();
         let dev: &dyn IFace = match self.device.as_ref() {
-            Device::Tun(dev) => {
-                dev as &dyn IFace
-            }
-            Device::Tap((dev, _)) => {
-                dev as &dyn IFace
-            }
+            Device::Tun(dev) => dev as &dyn IFace,
+            Device::Tap((dev, _)) => dev as &dyn IFace,
         };
-        if let Err(e) =
-            dev.delete_route(dest(old_gateway, old_gateway), old_netmask, old_gateway)
-        {
+        if let Err(e) = dev.delete_route(dest(old_gateway, old_gateway), old_netmask, old_gateway) {
             log::warn!("{:?}", e);
         }
         dev.set_ip(address, netmask)?;
@@ -125,18 +118,19 @@ impl DeviceWriter {
         dev.add_route(address, netmask, gateway, 1)?;
         // 广播和组播路由
         dev.add_route(Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST, gateway, 1)?;
-        dev.add_route(Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]), gateway, 1)?;
+        dev.add_route(
+            Ipv4Addr::from([224, 0, 0, 0]),
+            Ipv4Addr::from([240, 0, 0, 0]),
+            gateway,
+            1,
+        )?;
         delete_cache();
         Ok(())
     }
     pub fn close(&self) -> io::Result<()> {
         match self.device.as_ref() {
-            Device::Tun(dev) => {
-                dev.shutdown()
-            }
-            Device::Tap((dev, _)) => {
-                dev.shutdown()
-            }
+            Device::Tun(dev) => dev.shutdown(),
+            Device::Tap((dev, _)) => dev.shutdown(),
         }
     }
     pub fn is_tun(&self) -> bool {
@@ -161,9 +155,7 @@ pub struct DeviceReader {
 
 impl DeviceReader {
     pub fn new(device: Arc<Device>) -> Self {
-        Self {
-            device,
-        }
+        Self { device }
     }
 }
 
@@ -180,9 +172,7 @@ impl DeviceReader {
                 buf[..len].copy_from_slice(packet);
                 Ok(len)
             }
-            Device::Tap((dev, _)) => {
-                dev.read(buf)
-            }
+            Device::Tap((dev, _)) => dev.read(buf),
         }
     }
 }
@@ -224,10 +214,7 @@ fn create_tun(
                 ) {
                     Ok(tun_device) => tun_device,
                     Err(e) => {
-                        return Err(io::Error::new(
-                            io::ErrorKind::Other,
-                            format!("{:?}", e),
-                        ));
+                        return Err(io::Error::new(io::ErrorKind::Other, format!("{:?}", e)));
                     }
                 }
             }
@@ -245,7 +232,12 @@ fn create_tun(
         tun_device.add_route(address, netmask, gateway, 1)?;
         // 广播和组播路由
         tun_device.add_route(Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST, gateway, 1)?;
-        tun_device.add_route(Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]), gateway, 1)?;
+        tun_device.add_route(
+            Ipv4Addr::from([224, 0, 0, 0]),
+            Ipv4Addr::from([240, 0, 0, 0]),
+            gateway,
+            1,
+        )?;
         delete_cache();
         let device = Arc::new(Device::Tun(tun_device));
         let driver_info = DriverInfo {
@@ -257,7 +249,7 @@ fn create_tun(
         Ok((
             DeviceWriter::new(device.clone(), in_ips, address),
             DeviceReader::new(device),
-            driver_info
+            driver_info,
         ))
     }
 }
@@ -272,7 +264,7 @@ fn delete_cache() {
         .output()
         .unwrap();
     if !out.status.success() {
-        log::warn!("删除缓存失败:{:?}",out);
+        log::warn!("删除缓存失败:{:?}", out);
     }
 }
 
@@ -318,7 +310,12 @@ fn create_tap(
     }
     // 广播和组播路由
     tap_device.add_route(Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST, gateway, 1)?;
-    tap_device.add_route(Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]), gateway, 1)?;
+    tap_device.add_route(
+        Ipv4Addr::from([224, 0, 0, 0]),
+        Ipv4Addr::from([240, 0, 0, 0]),
+        gateway,
+        1,
+    )?;
     delete_cache();
     let tap = Arc::new(Device::Tap((tap_device, mac)));
     let driver_info = DriverInfo {
@@ -330,7 +327,7 @@ fn create_tap(
     Ok((
         DeviceWriter::new(tap.clone(), in_ips, address),
         DeviceReader::new(tap),
-        driver_info
+        driver_info,
     ))
 }
 
@@ -344,29 +341,23 @@ fn delete_tap() {
     let _ = tap_device.delete();
 }
 
-pub fn create_device(device_type: DeviceType, address: Ipv4Addr,
-                     netmask: Ipv4Addr,
-                     gateway: Ipv4Addr,
-                     in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
-                     mtu: u16) -> io::Result<(DeviceWriter, DeviceReader, DriverInfo)> {
+pub fn create_device(
+    device_type: DeviceType,
+    address: Ipv4Addr,
+    netmask: Ipv4Addr,
+    gateway: Ipv4Addr,
+    in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
+    mtu: u16,
+) -> io::Result<(DeviceWriter, DeviceReader, DriverInfo)> {
     match device_type {
-        DeviceType::Tun => {
-            create_tun(address, netmask, gateway, in_ips, mtu)
-        }
-        DeviceType::Tap => {
-            create_tap(address, netmask, gateway, in_ips, mtu)
-        }
+        DeviceType::Tun => create_tun(address, netmask, gateway, in_ips, mtu),
+        DeviceType::Tap => create_tap(address, netmask, gateway, in_ips, mtu),
     }
 }
 
 pub fn delete_device(device_type: DeviceType) {
     match device_type {
-        DeviceType::Tun => {
-            delete_tun()
-        }
-        DeviceType::Tap => {
-            delete_tap()
-        }
+        DeviceType::Tun => delete_tun(),
+        DeviceType::Tap => delete_tap(),
     }
 }
-

vnt/src/util/mod.rs

@@ -1 +1 @@
-pub mod wait;
+pub mod wait;

vnt/src/util/wait.rs

@@ -1,5 +1,5 @@
-use std::sync::Arc;
 use std::sync::atomic::{AtomicIsize, Ordering};
+use std::sync::Arc;
 use tokio::sync::watch::{channel, Receiver, Sender};
 
 #[derive(Clone)]
@@ -41,4 +41,4 @@ impl WaitGroup {
             }
         }
     }
-}
+}

vnt/win-tun-tap/src/ffi.rs

@@ -21,8 +21,8 @@ use winapi::um::winioctl::*;
 use winapi::um::winnt::*;
 use winapi::um::winreg::*;
 
-use std::{io, mem, ptr};
 use std::error::Error;
+use std::{io, mem, ptr};
 use winapi::um::minwinbase::OVERLAPPED_u;
 
 #[allow(non_camel_case_types)]
@@ -46,9 +46,7 @@ pub fn string_from_guid(guid: &GUID) -> io::Result<Vec<WCHAR>> {
     // GUID_STRING_CHARACTERS + 1
     let mut string = vec![0; 39];
 
-    match unsafe {
-        StringFromGUID2(guid, string.as_mut_ptr(), string.len() as _)
-    } {
+    match unsafe { StringFromGUID2(guid, string.as_mut_ptr(), string.len() as _) } {
         0 => Err(io::Error::new(io::ErrorKind::Other, "Insufficent buffer")),
         _ => Ok(string),
     }
@@ -85,12 +83,8 @@ pub fn luid_to_alias(luid: &NET_LUID) -> io::Result<Vec<WCHAR>> {
     // IF_MAX_STRING_SIZE + 1
     let mut alias = vec![0; 257];
 
-    match unsafe {
-        ConvertInterfaceLuidToAlias(luid, alias.as_mut_ptr(), alias.len())
-    } {
-        0 => {
-            Ok(alias)
-        }
+    match unsafe { ConvertInterfaceLuidToAlias(luid, alias.as_mut_ptr(), alias.len()) } {
+        0 => Ok(alias),
         err => Err(io::Error::from_raw_os_error(err as _)),
     }
 }
@@ -140,7 +134,8 @@ pub fn read_file(handle: HANDLE, buffer: &mut [u8]) -> io::Result<DWORD> {
             buffer.as_mut_ptr() as _,
             buffer.len() as _,
             &mut ret,
-            &mut ip_overlapped, ) {
+            &mut ip_overlapped,
+        ) {
             let e = io::Error::last_os_error();
             if e.raw_os_error().unwrap_or(0) == 997 {
                 if 0 == GetOverlappedResult(handle, &mut ip_overlapped, &mut ret, 1) {
@@ -191,9 +186,7 @@ pub fn create_device_info_list(guid: &GUID) -> io::Result<HDEVINFO> {
 }
 
 pub fn get_class_devs(guid: &GUID, flags: DWORD) -> io::Result<HDEVINFO> {
-    match unsafe {
-        SetupDiGetClassDevsW(guid, ptr::null(), ptr::null_mut(), flags)
-    } {
+    match unsafe { SetupDiGetClassDevsW(guid, ptr::null(), ptr::null_mut(), flags) } {
         INVALID_HANDLE_VALUE => Err(io::Error::last_os_error()),
         devinfo => Ok(devinfo),
     }
@@ -248,13 +241,8 @@ pub fn create_device_info(
     }
 }
 
-pub fn set_selected_device(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-) -> io::Result<()> {
-    match unsafe {
-        SetupDiSetSelectedDevice(devinfo, devinfo_data as *const _ as _)
-    } {
+pub fn set_selected_device(devinfo: HDEVINFO, devinfo_data: &SP_DEVINFO_DATA) -> io::Result<()> {
+    match unsafe { SetupDiSetSelectedDevice(devinfo, devinfo_data as *const _ as _) } {
         0 => Err(io::Error::last_os_error()),
         _ => Ok(()),
     }
@@ -308,13 +296,8 @@ pub fn build_driver_info_list(
     devinfo_data: &SP_DEVINFO_DATA,
     driver_type: DWORD,
 ) -> io::Result<()> {
-    match unsafe {
-        SetupDiBuildDriverInfoList(
-            devinfo,
-            devinfo_data as *const _ as _,
-            driver_type,
-        )
-    } {
+    match unsafe { SetupDiBuildDriverInfoList(devinfo, devinfo_data as *const _ as _, driver_type) }
+    {
         0 => Err(io::Error::last_os_error()),
         _ => Ok(()),
     }
@@ -326,11 +309,7 @@ pub fn destroy_driver_info_list(
     driver_type: DWORD,
 ) -> io::Result<()> {
     match unsafe {
-        SetupDiDestroyDriverInfoList(
-            devinfo,
-            devinfo_data as *const _ as _,
-            driver_type,
-        )
+        SetupDiDestroyDriverInfoList(devinfo, devinfo_data as *const _ as _, driver_type)
     } {
         0 => Err(io::Error::last_os_error()),
         _ => Ok(()),
@@ -342,8 +321,7 @@ pub fn get_driver_info_detail(
     devinfo_data: &SP_DEVINFO_DATA,
     drvinfo_data: &SP_DRVINFO_DATA_W,
 ) -> io::Result<SP_DRVINFO_DETAIL_DATA_W2> {
-    let mut drvinfo_detail: SP_DRVINFO_DETAIL_DATA_W2 =
-        unsafe { mem::zeroed() };
+    let mut drvinfo_detail: SP_DRVINFO_DETAIL_DATA_W2 = unsafe { mem::zeroed() };
     drvinfo_detail.cbSize = mem::size_of::<SP_DRVINFO_DETAIL_DATA_W>() as _;
 
     match unsafe {
@@ -402,11 +380,7 @@ pub fn call_class_installer(
     install_function: DI_FUNCTION,
 ) -> io::Result<()> {
     match unsafe {
-        SetupDiCallClassInstaller(
-            install_function,
-            devinfo,
-            devinfo_data as *const _ as _,
-        )
+        SetupDiCallClassInstaller(install_function, devinfo, devinfo_data as *const _ as _)
     } {
         0 => Err(io::Error::last_os_error()),
         _ => Ok(()),
@@ -444,16 +418,12 @@ pub fn notify_change_key_value(
     notify_filter: DWORD,
     milliseconds: DWORD,
 ) -> io::Result<()> {
-    let event = match unsafe {
-        CreateEventW(ptr::null_mut(), FALSE, FALSE, ptr::null())
-    } {
+    let event = match unsafe { CreateEventW(ptr::null_mut(), FALSE, FALSE, ptr::null()) } {
         INVALID_HANDLE_VALUE => Err(io::Error::last_os_error()),
         event => Ok(event),
     }?;
 
-    match unsafe {
-        RegNotifyChangeKeyValue(key, watch_subtree, notify_filter, event, TRUE)
-    } {
+    match unsafe { RegNotifyChangeKeyValue(key, watch_subtree, notify_filter, event, TRUE) } {
         0 => Ok(()),
         err => Err(io::Error::from_raw_os_error(err)),
     }?;
@@ -499,9 +469,7 @@ pub fn enum_device_info(
     let mut devinfo_data: SP_DEVINFO_DATA = unsafe { mem::zeroed() };
     devinfo_data.cbSize = mem::size_of_val(&devinfo_data) as _;
 
-    match unsafe {
-        SetupDiEnumDeviceInfo(devinfo, member_index, &mut devinfo_data)
-    } {
+    match unsafe { SetupDiEnumDeviceInfo(devinfo, member_index, &mut devinfo_data) } {
         0 if unsafe { GetLastError() == ERROR_NO_MORE_ITEMS } => None,
         0 => Some(Err(io::Error::last_os_error())),
         _ => Some(Ok(devinfo_data)),

vnt/win-tun-tap/src/lib.rs

@@ -1,11 +1,11 @@
 #![cfg(windows)]
 
-mod tap;
-mod tun;
 mod ffi;
 mod netsh;
 mod route;
-use std::{io, net};
+mod tap;
+mod tun;
+use std::io;
 use std::net::Ipv4Addr;
 pub use tap::TapDevice;
 pub use tun::*;
@@ -33,13 +33,15 @@ pub trait IFace {
     /// 设置ip
     fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()>;
     /// 设置路由
-    fn add_route(&self, dest: Ipv4Addr,
-                     netmask: Ipv4Addr,
-                     gateway: Ipv4Addr, metric: u16) -> io::Result<()>;
+    fn add_route(
+        &self,
+        dest: Ipv4Addr,
+        netmask: Ipv4Addr,
+        gateway: Ipv4Addr,
+        metric: u16,
+    ) -> io::Result<()>;
     /// 删除路由
-    fn delete_route(&self, dest: Ipv4Addr,
-                        netmask: Ipv4Addr,
-                        gateway: Ipv4Addr, ) -> io::Result<()>;
+    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()>;
     /// 设置最大传输单元
     fn set_mtu(&self, mtu: u16) -> io::Result<()>;
     /// 设置跃点

vnt/win-tun-tap/src/netsh.rs

@@ -4,14 +4,17 @@ use std::os::windows::process::CommandExt;
 
 /// 设置网卡名称
 pub fn set_interface_name(old_name: &str, new_name: &str) -> io::Result<()> {
-    let cmd = format!(" netsh interface set interface name={:?} newname={:?}", old_name, new_name);
+    let cmd = format!(
+        " netsh interface set interface name={:?} newname={:?}",
+        old_name, new_name
+    );
     let out = std::process::Command::new("cmd")
         .creation_flags(0x08000000) //winapi-0.3.9/src/um/winbase.rs:283
         .arg("/C")
         .arg(&cmd)
         .output()?;
     if !out.status.success() {
-        log::warn!("修改网卡名称失败：cmd={:?},out={:?}",cmd,out);
+        log::warn!("修改网卡名称失败：cmd={:?},out={:?}", cmd, out);
         return Err(io::Error::new(io::ErrorKind::Other, "修改网卡名称失败"));
     }
     Ok(())
@@ -28,8 +31,11 @@ pub fn set_interface_ip(index: u32, address: &Ipv4Addr, netmask: &Ipv4Addr) -> i
         .arg(&set_address)
         .output()?;
     if !out.status.success() {
-        log::error!("cmd={:?},out={:?}",set_address,out);
-        return Err(io::Error::new(io::ErrorKind::Other, format!("设置网络地址失败: {:?}", out)));
+        log::error!("cmd={:?},out={:?}", set_address, out);
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!("设置网络地址失败: {:?}", out),
+        ));
     }
     Ok(())
 }
@@ -45,21 +51,30 @@ pub fn set_interface_mtu(index: u32, mtu: u16) -> io::Result<()> {
         .arg(&set_mtu)
         .output()?;
     if !out.status.success() {
-        log::error!("cmd={:?},out={:?}",set_mtu,out);
-        return Err(io::Error::new(io::ErrorKind::Other, format!("设置mtu失败: {:?}", out)));
+        log::error!("cmd={:?},out={:?}", set_mtu, out);
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!("设置mtu失败: {:?}", out),
+        ));
     }
     Ok(())
 }
 pub fn set_interface_metric(index: u32, metric: u16) -> io::Result<()> {
-    let set_metric = format!("netsh interface ip set interface {} metric={}", index,metric);
+    let set_metric = format!(
+        "netsh interface ip set interface {} metric={}",
+        index, metric
+    );
     let out = std::process::Command::new("cmd")
         .creation_flags(0x08000000)
         .arg("/C")
         .arg(&set_metric)
         .output()?;
     if !out.status.success() {
-        log::error!("cmd={:?},out={:?}",set_metric,out);
-        return Err(io::Error::new(io::ErrorKind::Other, format!("设置metric失败: {:?}", out)));
+        log::error!("cmd={:?},out={:?}", set_metric, out);
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!("设置metric失败: {:?}", out),
+        ));
     }
     Ok(())
-}
+}

vnt/win-tun-tap/src/route.rs

@@ -3,9 +3,13 @@ use std::net::Ipv4Addr;
 use std::os::windows::process::CommandExt;
 
 /// 添加路由
-pub fn add_route(index: u32, dest: Ipv4Addr,
-                 netmask: Ipv4Addr,
-                 gateway: Ipv4Addr, metric: u16) -> io::Result<()> {
+pub fn add_route(
+    index: u32,
+    dest: Ipv4Addr,
+    netmask: Ipv4Addr,
+    gateway: Ipv4Addr,
+    metric: u16,
+) -> io::Result<()> {
     let set_route = format!(
         "route add {:?} mask {:?} {:?} metric {} if {}",
         dest, netmask, gateway, metric, index
@@ -18,16 +22,27 @@ pub fn add_route(index: u32, dest: Ipv4Addr,
         .output()
         .unwrap();
     if !out.status.success() {
-        log::error!("cmd={:?},out={:?}",set_route,out);
-        return Err(io::Error::new(io::ErrorKind::Other, format!("添加路由失败: {:?}", out)));
+        log::error!("cmd={:?},out={:?}", set_route, out);
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!("添加路由失败: {:?}", out),
+        ));
     }
     Ok(())
 }
 
 /// 删除路由
-pub fn delete_route(index: u32, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()> {
+pub fn delete_route(
+    index: u32,
+    dest: Ipv4Addr,
+    netmask: Ipv4Addr,
+    gateway: Ipv4Addr,
+) -> io::Result<()> {
     if index == 0 {
-        return Err(io::Error::new(io::ErrorKind::Other, format!("网络接口索引错误: {:?}", index)));
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!("网络接口索引错误: {:?}", index),
+        ));
     }
     let delete_route = format!(
         "route delete  {:?} mask {:?} {:?} if {}",
@@ -41,7 +56,10 @@ pub fn delete_route(index: u32, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4
         .output()
         .unwrap();
     if !out.status.success() {
-        return Err(io::Error::new(io::ErrorKind::Other, format!("删除路由失败: {:?}", out)));
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!("删除路由失败: {:?}", out),
+        ));
     }
     Ok(())
-}
+}

vnt/win-tun-tap/src/tap/iface.rs

@@ -51,22 +51,15 @@ pub fn create_interface() -> io::Result<NET_LUID> {
     ffi::build_driver_info_list(devinfo, &devinfo_data, SPDIT_COMPATDRIVER)?;
 
     let _guard = guard((), |_| {
-        let _ = ffi::destroy_driver_info_list(
-            devinfo,
-            &devinfo_data,
-            SPDIT_COMPATDRIVER,
-        );
+        let _ = ffi::destroy_driver_info_list(devinfo, &devinfo_data, SPDIT_COMPATDRIVER);
     });
 
     let mut driver_version = 0;
     let mut member_index = 0;
 
-    while let Some(drvinfo_data) = ffi::enum_driver_info(
-        devinfo,
-        &devinfo_data,
-        SPDIT_COMPATDRIVER,
-        member_index,
-    ) {
+    while let Some(drvinfo_data) =
+        ffi::enum_driver_info(devinfo, &devinfo_data, SPDIT_COMPATDRIVER, member_index)
+    {
         member_index += 1;
 
         let drvinfo_data = match drvinfo_data {
@@ -78,14 +71,11 @@ pub fn create_interface() -> io::Result<NET_LUID> {
             continue;
         }
 
-        let drvinfo_detail = match ffi::get_driver_info_detail(
-            devinfo,
-            &devinfo_data,
-            &drvinfo_data,
-        ) {
-            Ok(drvinfo_detail) => drvinfo_detail,
-            _ => continue,
-        };
+        let drvinfo_detail =
+            match ffi::get_driver_info_detail(devinfo, &devinfo_data, &drvinfo_data) {
+                Ok(drvinfo_detail) => drvinfo_detail,
+                _ => continue,
+            };
 
         let is_compatible = drvinfo_detail
             .HardwareID
@@ -115,16 +105,8 @@ pub fn create_interface() -> io::Result<NET_LUID> {
 
     ffi::call_class_installer(devinfo, &devinfo_data, DIF_REGISTERDEVICE)?;
 
-    let _ = ffi::call_class_installer(
-        devinfo,
-        &devinfo_data,
-        DIF_REGISTER_COINSTALLERS,
-    );
-    let _ = ffi::call_class_installer(
-        devinfo,
-        &devinfo_data,
-        DIF_INSTALLINTERFACES,
-    );
+    let _ = ffi::call_class_installer(devinfo, &devinfo_data, DIF_REGISTER_COINSTALLERS);
+    let _ = ffi::call_class_installer(devinfo, &devinfo_data, DIF_INSTALLINTERFACES);
 
     ffi::call_class_installer(devinfo, &devinfo_data, DIF_INSTALLDEVICE)?;
 
@@ -140,21 +122,11 @@ pub fn create_interface() -> io::Result<NET_LUID> {
     let key = RegKey::predef(key);
 
     while let Err(_) = key.get_value::<DWORD, &str>("*IfType") {
-        ffi::notify_change_key_value(
-            key.raw_handle(),
-            TRUE,
-            REG_NOTIFY_CHANGE_NAME,
-            2000,
-        )?;
+        ffi::notify_change_key_value(key.raw_handle(), TRUE, REG_NOTIFY_CHANGE_NAME, 2000)?;
     }
 
     while let Err(_) = key.get_value::<DWORD, &str>("NetLuidIndex") {
-        ffi::notify_change_key_value(
-            key.raw_handle(),
-            TRUE,
-            REG_NOTIFY_CHANGE_NAME,
-            2000,
-        )?;
+        ffi::notify_change_key_value(key.raw_handle(), TRUE, REG_NOTIFY_CHANGE_NAME, 2000)?;
     }
 
     let if_type: DWORD = key.get_value("*IfType")?;
@@ -181,8 +153,7 @@ pub fn check_interface(luid: &NET_LUID) -> io::Result<()> {
 
     let mut member_index = 0;
 
-    while let Some(devinfo_data) = ffi::enum_device_info(devinfo, member_index)
-    {
+    while let Some(devinfo_data) = ffi::enum_device_info(devinfo, member_index) {
         member_index += 1;
 
         let devinfo_data = match devinfo_data {
@@ -190,14 +161,11 @@ pub fn check_interface(luid: &NET_LUID) -> io::Result<()> {
             Err(_) => continue,
         };
 
-        let hardware_id = match ffi::get_device_registry_property(
-            devinfo,
-            &devinfo_data,
-            SPDRP_HARDWAREID,
-        ) {
-            Ok(hardware_id) => hardware_id,
-            Err(_) => continue,
-        };
+        let hardware_id =
+            match ffi::get_device_registry_property(devinfo, &devinfo_data, SPDRP_HARDWAREID) {
+                Ok(hardware_id) => hardware_id,
+                Err(_) => continue,
+            };
 
         if !decode_utf16(&hardware_id).eq_ignore_ascii_case(HARDWARE_ID) {
             continue;
@@ -238,7 +206,10 @@ pub fn check_interface(luid: &NET_LUID) -> io::Result<()> {
         return Ok(());
     }
 
-    Err(io::Error::new(io::ErrorKind::NotFound, "TAP Device not found"))
+    Err(io::Error::new(
+        io::ErrorKind::NotFound,
+        "TAP Device not found",
+    ))
 }
 
 /// Deletes an existing interface
@@ -251,8 +222,7 @@ pub fn delete_interface(luid: &NET_LUID) -> io::Result<()> {
 
     let mut member_index = 0;
 
-    while let Some(devinfo_data) = ffi::enum_device_info(devinfo, member_index)
-    {
+    while let Some(devinfo_data) = ffi::enum_device_info(devinfo, member_index) {
         member_index += 1;
 
         let devinfo_data = match devinfo_data {
@@ -260,14 +230,11 @@ pub fn delete_interface(luid: &NET_LUID) -> io::Result<()> {
             Err(_) => continue,
         };
 
-        let hardware_id = match ffi::get_device_registry_property(
-            devinfo,
-            &devinfo_data,
-            SPDRP_HARDWAREID,
-        ) {
-            Ok(hardware_id) => hardware_id,
-            Err(_) => continue,
-        };
+        let hardware_id =
+            match ffi::get_device_registry_property(devinfo, &devinfo_data, SPDRP_HARDWAREID) {
+                Ok(hardware_id) => hardware_id,
+                Err(_) => continue,
+            };
 
         if !decode_utf16(&hardware_id).eq_ignore_ascii_case(HARDWARE_ID) {
             continue;
@@ -308,13 +275,15 @@ pub fn delete_interface(luid: &NET_LUID) -> io::Result<()> {
         return ffi::call_class_installer(devinfo, &devinfo_data, DIF_REMOVE);
     }
 
-    Err(io::Error::new(io::ErrorKind::NotFound, "TAP Device not found"))
+    Err(io::Error::new(
+        io::ErrorKind::NotFound,
+        "TAP Device not found",
+    ))
 }
 
 /// Open an handle to an interface
 pub fn open_interface(luid: &NET_LUID) -> io::Result<HANDLE> {
-    let guid = ffi::luid_to_guid(luid)
-        .and_then(|guid| ffi::string_from_guid(&guid))?;
+    let guid = ffi::luid_to_guid(luid).and_then(|guid| ffi::string_from_guid(&guid))?;
 
     let path = format!(r"\\.\Global\{}.tap", &decode_utf16(&guid));
 
@@ -323,6 +292,6 @@ pub fn open_interface(luid: &NET_LUID) -> io::Result<HANDLE> {
         GENERIC_READ | GENERIC_WRITE,
         FILE_SHARE_READ | FILE_SHARE_WRITE,
         OPEN_EXISTING,
-        FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED,//FILE_ATTRIBUTE_SYSTEM,
+        FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, //FILE_ATTRIBUTE_SYSTEM,
     )
 }

vnt/win-tun-tap/src/tap/mod.rs

@@ -1,11 +1,11 @@
-use std::{io, time};
 use std::net::Ipv4Addr;
+use std::{io, time};
 
 use winapi::shared::ifdef::NET_LUID;
 use winapi::um::winioctl::*;
 use winapi::um::winnt::HANDLE;
 
-use crate::{decode_utf16, encode_utf16, ffi, IFace, netsh, route};
+use crate::{decode_utf16, encode_utf16, ffi, netsh, route, IFace};
 
 mod iface;
 
@@ -13,7 +13,6 @@ pub struct TapDevice {
     index: u32,
     luid: NET_LUID,
     handle: HANDLE,
-
 }
 
 unsafe impl Send for TapDevice {}
@@ -31,7 +30,7 @@ impl TapDevice {
             &(),
             &mut mac,
         )
-            .map(|_| mac)
+        .map(|_| mac)
     }
 
     /// Retrieve the version of the driver
@@ -44,7 +43,7 @@ impl TapDevice {
             &(),
             &mut version,
         )
-            .map(|_| version)
+        .map(|_| version)
     }
 
     /// Retieve the mtu of the interface
@@ -57,10 +56,9 @@ impl TapDevice {
             &(),
             &mut mtu,
         )
-            .map(|_| mtu)
+        .map(|_| mtu)
     }
 
-
     /// Set the status of the interface, true for connected,
     /// false for disconnected.
     pub fn set_status(&self, status: bool) -> io::Result<()> {
@@ -98,7 +96,11 @@ impl TapDevice {
             };
         };
         let index = ffi::luid_to_index(&luid).map(|index| index as u32)?;
-        Ok(Self { index, luid, handle })
+        Ok(Self {
+            index,
+            luid,
+            handle,
+        })
     }
 
     pub fn open(name: &str) -> io::Result<Self> {
@@ -109,7 +111,11 @@ impl TapDevice {
 
         let handle = iface::open_interface(&luid)?;
         let index = ffi::luid_to_index(&luid).map(|index| index as u32)?;
-        Ok(Self { index, luid, handle })
+        Ok(Self {
+            index,
+            luid,
+            handle,
+        })
     }
 
     pub fn delete(self) -> io::Result<()> {
@@ -140,12 +146,18 @@ impl IFace for TapDevice {
         netsh::set_interface_ip(index, &address, &mask)
     }
 
-    fn add_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr, metric: u16) -> io::Result<()>  {
+    fn add_route(
+        &self,
+        dest: Ipv4Addr,
+        netmask: Ipv4Addr,
+        gateway: Ipv4Addr,
+        metric: u16,
+    ) -> io::Result<()> {
         let index = self.get_index()?;
-        route::add_route(index, dest, netmask, gateway,metric)
+        route::add_route(index, dest, netmask, gateway, metric)
     }
 
-    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()>  {
+    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()> {
         let index = self.get_index()?;
         route::delete_route(index, dest, netmask, gateway)
     }
@@ -161,7 +173,6 @@ impl IFace for TapDevice {
     }
 }
 
-
 impl TapDevice {
     pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
         ffi::read_file(self.handle, buf).map(|res| res as _)
@@ -177,6 +188,3 @@ impl Drop for TapDevice {
         let _ = iface::delete_interface(&self.luid);
     }
 }
-
-
-

vnt/win-tun-tap/src/tun/log.rs

@@ -1,8 +1,8 @@
 use log::*;
 
+use crate::tun::wintun_raw;
 use std::sync::atomic::{AtomicBool, Ordering};
 use widestring::U16CStr;
-use crate::tun::wintun_raw;
 
 /// Sets the logger wintun will use when logging. Maps to the WintunSetLogger C function
 pub fn set_logger(win_tun: &wintun_raw::wintun, f: wintun_raw::WINTUN_LOGGER_CALLBACK) {

vnt/win-tun-tap/src/tun/mod.rs

@@ -3,11 +3,11 @@ use std::net::Ipv4Addr;
 
 use winapi::um::{handleapi, synchapi, winbase, winnt};
 
-use crate::{decode_utf16, encode_utf16, ffi, IFace, netsh, route};
+use crate::{decode_utf16, encode_utf16, ffi, netsh, route, IFace};
 use rand::Rng;
-mod wintun_raw;
 mod log;
 pub mod packet;
+mod wintun_raw;
 
 /// The maximum size of wintun's internal ring buffer (in bytes)
 pub const MAX_RING_CAPACITY: u32 = 0x400_0000;
@@ -18,7 +18,6 @@ pub const MIN_RING_CAPACITY: u32 = 0x2_0000;
 /// Maximum pool name length including zero terminator
 pub const MAX_POOL: usize = 256;
 
-
 pub struct TunDevice {
     pub(crate) luid: u64,
     pub(crate) index: u32,
@@ -38,7 +37,6 @@ pub struct TunDevice {
 
     /// The adapter that owns this session
     pub(crate) adapter: wintun_raw::WINTUN_ADAPTER_HANDLE,
-
 }
 
 unsafe impl Send for TunDevice {}
@@ -47,20 +45,31 @@ unsafe impl Sync for TunDevice {}
 
 impl TunDevice {
     pub unsafe fn create<L>(library: L, pool: &str, name: &str) -> io::Result<Self>
-        where L: Into<libloading::Library>, {
+    where
+        L: Into<libloading::Library>,
+    {
         let win_tun = match wintun_raw::wintun::from_library(library) {
-            Ok(win_tun) => { win_tun }
+            Ok(win_tun) => win_tun,
             Err(e) => {
-                return Err(io::Error::new(io::ErrorKind::Other, format!("library error {:?} ", e)));
+                return Err(io::Error::new(
+                    io::ErrorKind::Other,
+                    format!("library error {:?} ", e),
+                ));
             }
         };
         let pool_utf16 = encode_utf16(pool);
         if pool_utf16.len() > MAX_POOL {
-            return Err(io::Error::new(io::ErrorKind::Other, format!("长度大于{}:{:?}", MAX_POOL, pool)));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("长度大于{}:{:?}", MAX_POOL, pool),
+            ));
         }
         let name_utf16 = encode_utf16(name);
         if name_utf16.len() > MAX_POOL {
-            return Err(io::Error::new(io::ErrorKind::Other, format!("长度大于{}:{:?}", MAX_POOL, pool)));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                format!("长度大于{}:{:?}", MAX_POOL, pool),
+            ));
         }
         let mut guid_bytes: [u8; 16] = [0u8; 16];
         rand::thread_rng().fill(&mut guid_bytes);
@@ -76,22 +85,32 @@ impl TunDevice {
         //SAFETY: the function is loaded from the wintun dll properly, we are providing valid
         //pointers, and all the strings are correct null terminated UTF-16. This safety rationale
         //applies for all Wintun* functions below
-        let adapter = win_tun.WintunCreateAdapter(pool_utf16.as_ptr(), name_utf16.as_ptr(), guid_ptr);
+        let adapter =
+            win_tun.WintunCreateAdapter(pool_utf16.as_ptr(), name_utf16.as_ptr(), guid_ptr);
         if adapter.is_null() {
-            return Err(io::Error::new(io::ErrorKind::Other, "Failed to crate adapter"));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Failed to crate adapter",
+            ));
         }
         Self::init(win_tun, adapter)
     }
-    pub unsafe fn init(win_tun: wintun_raw::wintun, adapter: wintun_raw::WINTUN_ADAPTER_HANDLE) -> io::Result<Self> {
+    pub unsafe fn init(
+        win_tun: wintun_raw::wintun,
+        adapter: wintun_raw::WINTUN_ADAPTER_HANDLE,
+    ) -> io::Result<Self> {
         // 开启session
         let session = win_tun.WintunStartSession(adapter, 128 * 1024);
         if session.is_null() {
-            return Err(io::Error::new(io::ErrorKind::Other, "WintunStartSession failed"));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "WintunStartSession failed",
+            ));
         }
         //SAFETY: We follow the contract required by CreateEventA. See MSDN
         //(the pointers are allowed to be null, and 0 is okay for the others)
-        let shutdown_event = synchapi::CreateEventA(std::ptr::null_mut(),
-                                                    0, 0, std::ptr::null_mut());
+        let shutdown_event =
+            synchapi::CreateEventA(std::ptr::null_mut(), 0, 0, std::ptr::null_mut());
         let read_event = win_tun.WintunGetReadWaitEvent(session) as winnt::HANDLE;
         let mut luid: wintun_raw::NET_LUID = std::mem::zeroed();
         win_tun.WintunGetAdapterLUID(adapter, &mut luid as *mut wintun_raw::NET_LUID);
@@ -107,18 +126,26 @@ impl TunDevice {
         })
     }
     pub unsafe fn delete_for_name<L>(library: L, name: &str) -> io::Result<()>
-        where L: Into<libloading::Library>, {
+    where
+        L: Into<libloading::Library>,
+    {
         let win_tun = match wintun_raw::wintun::from_library(library) {
             Ok(win_tun) => win_tun,
             Err(e) => {
-                return Err(io::Error::new(io::ErrorKind::Other, format!("library error {:?} ", e)));
+                return Err(io::Error::new(
+                    io::ErrorKind::Other,
+                    format!("library error {:?} ", e),
+                ));
             }
         };
         log::set_default_logger_if_unset(&win_tun);
         let name_utf16 = encode_utf16(name);
         let adapter = win_tun.WintunOpenAdapter(name_utf16.as_ptr());
         if adapter.is_null() {
-            return Err(io::Error::new(io::ErrorKind::Other, "Failed to open adapter"));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Failed to open adapter",
+            ));
         }
         win_tun.WintunCloseAdapter(adapter);
         win_tun.WintunDeleteDriver();
@@ -131,7 +158,10 @@ impl TunDevice {
     pub fn version(&self) -> io::Result<Version> {
         let version = unsafe { self.win_tun.WintunGetRunningDriverVersion() };
         if version == 0 {
-            return Err(io::Error::new(io::ErrorKind::Other, "WintunGetRunningDriverVersion"));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "WintunGetRunningDriverVersion",
+            ));
         } else {
             Ok(Version {
                 major: ((version >> 16) & 0xFF) as u16,
@@ -155,7 +185,6 @@ pub struct Version {
 //     }
 // }
 
-
 impl IFace for TunDevice {
     fn shutdown(&self) -> io::Result<()> {
         let _ = unsafe { synchapi::SetEvent(self.shutdown_event) };
@@ -169,9 +198,7 @@ impl IFace for TunDevice {
 
     fn get_name(&self) -> io::Result<String> {
         let luid = self.luid;
-        ffi::luid_to_alias(&unsafe { std::mem::transmute(luid) }).map(|name| {
-            decode_utf16(&name)
-        })
+        ffi::luid_to_alias(&unsafe { std::mem::transmute(luid) }).map(|name| decode_utf16(&name))
     }
 
     fn set_name(&self, new_name: &str) -> io::Result<()> {
@@ -179,15 +206,21 @@ impl IFace for TunDevice {
         netsh::set_interface_name(&name, new_name)
     }
 
-    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()>{
+    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()> {
         netsh::set_interface_ip(self.get_index()?, &address, &mask)
     }
 
-    fn add_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr, metric: u16) -> io::Result<()>  {
+    fn add_route(
+        &self,
+        dest: Ipv4Addr,
+        netmask: Ipv4Addr,
+        gateway: Ipv4Addr,
+        metric: u16,
+    ) -> io::Result<()> {
         route::add_route(self.get_index()?, dest, netmask, gateway, metric)
     }
 
-    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()>  {
+    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()> {
         route::delete_route(self.get_index()?, dest, netmask, gateway)
     }
 
@@ -257,14 +290,19 @@ impl TunDevice {
                 )
             };
             match result {
-                winbase::WAIT_FAILED => return Err(io::Error::new(io::ErrorKind::Other, "WAIT_FAILED")),
+                winbase::WAIT_FAILED => {
+                    return Err(io::Error::new(io::ErrorKind::Other, "WAIT_FAILED"))
+                }
                 _ => {
                     if result == winbase::WAIT_OBJECT_0 {
                         //We have data!
                         continue;
                     } else if result == winbase::WAIT_OBJECT_0 + 1 {
                         //Shutdown event triggered
-                        return Err(io::Error::new(io::ErrorKind::Other, "Shutdown event triggered"));
+                        return Err(io::Error::new(
+                            io::ErrorKind::Other,
+                            "Shutdown event triggered",
+                        ));
                     }
                 }
             }
@@ -275,10 +313,14 @@ impl TunDevice {
 impl TunDevice {
     pub fn allocate_send_packet(&self, size: u16) -> io::Result<packet::TunPacket> {
         let bytes_ptr = unsafe {
-            self.win_tun.WintunAllocateSendPacket(self.session, size as u32)
+            self.win_tun
+                .WintunAllocateSendPacket(self.session, size as u32)
         };
         if bytes_ptr.is_null() {
-            Err(io::Error::new(io::ErrorKind::Other, "allocate_send_packet failed"))
+            Err(io::Error::new(
+                io::ErrorKind::Other,
+                "allocate_send_packet failed",
+            ))
         } else {
             Ok(packet::TunPacket {
                 kind: packet::Kind::SendPacketPending,
@@ -302,7 +344,6 @@ impl TunDevice {
     }
 }
 
-
 impl Drop for TunDevice {
     fn drop(&mut self) {
         //Close adapter on drop

vnt/win-tun-tap/src/tun/packet.rs

@@ -1,4 +1,3 @@
-
 use crate::TunDevice;
 
 pub(crate) enum Kind {
@@ -12,7 +11,7 @@ pub(crate) enum Kind {
 /// Represents a wintun packet
 pub struct TunPacket<'a> {
     pub(crate) kind: Kind,
-    pub(crate) size:usize,
+    pub(crate) size: usize,
     pub(crate) bytes_ptr: *const u8,
 
     //Share ownership of session to prevent the session from being dropped before packets that
@@ -20,7 +19,7 @@ pub struct TunPacket<'a> {
     pub(crate) tun_device: Option<&'a TunDevice>,
 }
 
-impl <'a>TunPacket<'a> {
+impl<'a> TunPacket<'a> {
     /// Returns the bytes this packet holds as &mut.
     /// The lifetime of the bytes is tied to the lifetime of this packet.
     pub fn bytes_mut(&mut self) -> &mut [u8] {
@@ -30,11 +29,11 @@ impl <'a>TunPacket<'a> {
     /// Returns an immutable reference to the bytes this packet holds.
     /// The lifetime of the bytes is tied to the lifetime of this packet.
     pub fn bytes(&self) -> &[u8] {
-        unsafe { std::slice::from_raw_parts(self.bytes_ptr,self.size) }
+        unsafe { std::slice::from_raw_parts(self.bytes_ptr, self.size) }
     }
 }
 
-impl <'a>Drop for TunPacket<'a> {
+impl<'a> Drop for TunPacket<'a> {
     fn drop(&mut self) {
         match self.kind {
             Kind::ReceivePacket => {
@@ -46,7 +45,8 @@ impl <'a>Drop for TunPacket<'a> {
                     //     ring buffer that the wintun session owns. We return that region of
                     //     memory back to wintun here
                     let tun_device = self.tun_device.unwrap();
-                    tun_device.win_tun
+                    tun_device
+                        .win_tun
                         .WintunReleaseReceivePacket(tun_device.session, self.bytes_ptr)
                 };
             }

vnt/win-tun-tap/src/tun/wintun_raw.rs

@@ -11,8 +11,8 @@ impl<Storage> __BindgenBitfieldUnit<Storage> {
     }
 }
 impl<Storage> __BindgenBitfieldUnit<Storage>
-    where
-        Storage: AsRef<[u8]> + AsMut<[u8]>,
+where
+    Storage: AsRef<[u8]> + AsMut<[u8]>,
 {
     #[inline]
     pub fn get_bit(&self, index: usize) -> bool {
@@ -112,40 +112,40 @@ fn bindgen_test_layout__GUID() {
         unsafe { &(*(::std::ptr::null::<_GUID>())).Data1 as *const _ as usize },
         0usize,
         concat!(
-        "Offset of field: ",
-        stringify!(_GUID),
-        "::",
-        stringify!(Data1)
+            "Offset of field: ",
+            stringify!(_GUID),
+            "::",
+            stringify!(Data1)
         )
     );
     assert_eq!(
         unsafe { &(*(::std::ptr::null::<_GUID>())).Data2 as *const _ as usize },
         4usize,
         concat!(
-        "Offset of field: ",
-        stringify!(_GUID),
-        "::",
-        stringify!(Data2)
+            "Offset of field: ",
+            stringify!(_GUID),
+            "::",
+            stringify!(Data2)
         )
     );
     assert_eq!(
         unsafe { &(*(::std::ptr::null::<_GUID>())).Data3 as *const _ as usize },
         6usize,
         concat!(
-        "Offset of field: ",
-        stringify!(_GUID),
-        "::",
-        stringify!(Data3)
+            "Offset of field: ",
+            stringify!(_GUID),
+            "::",
+            stringify!(Data3)
         )
     );
     assert_eq!(
         unsafe { &(*(::std::ptr::null::<_GUID>())).Data4 as *const _ as usize },
         8usize,
         concat!(
-        "Offset of field: ",
-        stringify!(_GUID),
-        "::",
-        stringify!(Data4)
+            "Offset of field: ",
+            stringify!(_GUID),
+            "::",
+            stringify!(Data4)
         )
     );
 }
@@ -248,20 +248,20 @@ fn bindgen_test_layout__NET_LUID_LH() {
         unsafe { &(*(::std::ptr::null::<_NET_LUID_LH>())).Value as *const _ as usize },
         0usize,
         concat!(
-        "Offset of field: ",
-        stringify!(_NET_LUID_LH),
-        "::",
-        stringify!(Value)
+            "Offset of field: ",
+            stringify!(_NET_LUID_LH),
+            "::",
+            stringify!(Value)
         )
     );
     assert_eq!(
         unsafe { &(*(::std::ptr::null::<_NET_LUID_LH>())).Info as *const _ as usize },
         0usize,
         concat!(
-        "Offset of field: ",
-        stringify!(_NET_LUID_LH),
-        "::",
-        stringify!(Info)
+            "Offset of field: ",
+            stringify!(_NET_LUID_LH),
+            "::",
+            stringify!(Info)
         )
     );
 }
@@ -310,33 +310,33 @@ pub struct wintun {
     pub WintunCloseAdapter: unsafe extern "C" fn(arg1: WINTUN_ADAPTER_HANDLE),
     pub WintunOpenAdapter: unsafe extern "C" fn(arg1: LPCWSTR) -> WINTUN_ADAPTER_HANDLE,
     pub WintunGetAdapterLUID:
-    unsafe extern "C" fn(arg1: WINTUN_ADAPTER_HANDLE, arg2: *mut NET_LUID),
+        unsafe extern "C" fn(arg1: WINTUN_ADAPTER_HANDLE, arg2: *mut NET_LUID),
     pub WintunGetRunningDriverVersion: unsafe extern "C" fn() -> DWORD,
     pub WintunDeleteDriver: unsafe extern "C" fn() -> BOOL,
     pub WintunSetLogger: unsafe extern "C" fn(arg1: WINTUN_LOGGER_CALLBACK),
     pub WintunStartSession:
-    unsafe extern "C" fn(arg1: WINTUN_ADAPTER_HANDLE, arg2: DWORD) -> WINTUN_SESSION_HANDLE,
+        unsafe extern "C" fn(arg1: WINTUN_ADAPTER_HANDLE, arg2: DWORD) -> WINTUN_SESSION_HANDLE,
     pub WintunEndSession: unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE),
     pub WintunGetReadWaitEvent: unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE) -> HANDLE,
     pub WintunReceivePacket:
-    unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: *mut DWORD) -> *mut BYTE,
+        unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: *mut DWORD) -> *mut BYTE,
     pub WintunReleaseReceivePacket:
-    unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: *const BYTE),
+        unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: *const BYTE),
     pub WintunAllocateSendPacket:
-    unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: DWORD) -> *mut BYTE,
+        unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: DWORD) -> *mut BYTE,
     pub WintunSendPacket: unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: *const BYTE),
 }
 impl wintun {
     pub unsafe fn new<P>(path: P) -> Result<Self, ::libloading::Error>
-        where
-            P: AsRef<::std::ffi::OsStr>,
+    where
+        P: AsRef<::std::ffi::OsStr>,
     {
         let library = ::libloading::Library::new(path)?;
         Self::from_library(library)
     }
     pub unsafe fn from_library<L>(library: L) -> Result<Self, ::libloading::Error>
-        where
-            L: Into<::libloading::Library>,
+    where
+        L: Into<::libloading::Library>,
     {
         let __library = library.into();
         let WintunCreateAdapter = __library.get(b"WintunCreateAdapter\0").map(|sym| *sym)?;