79 lines
2.2 KiB
Rust
79 lines
2.2 KiB
Rust
#[cfg(target_os = "windows")]
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pub fn get_unique_identifier() -> Option<String> {
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use std::os::windows::process::CommandExt;
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use std::process::Command;
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let output = match Command::new("wmic")
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.creation_flags(0x08000000)
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.args(&["csproduct", "get", "UUID"])
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.output()
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{
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Ok(output) => output,
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Err(_) => {
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return None;
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}
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};
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let result = String::from_utf8_lossy(&output.stdout);
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let identifier = result.lines().nth(1).unwrap_or("").trim();
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if identifier.is_empty() {
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None
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} else {
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Some(identifier.to_string())
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}
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}
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#[cfg(target_os = "macos")]
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pub fn get_unique_identifier() -> Option<String> {
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use std::process::Command;
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let output = match Command::new("ioreg")
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.args(&["-rd1", "-c", "IOPlatformExpertDevice"])
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.output()
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{
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Ok(output) => output,
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Err(_) => {
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return None;
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}
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};
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let result = String::from_utf8_lossy(&output.stdout);
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let identifier = result
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.lines()
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.find(|line| line.contains("IOPlatformUUID"))
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.unwrap_or("")
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.trim();
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if identifier.is_empty() {
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None
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} else {
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Some(identifier.to_string())
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}
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}
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#[cfg(target_os = "linux")]
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pub fn get_unique_identifier() -> Option<String> {
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use std::process::Command;
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// Try to execute 'dmidecode' command to get the system identifier first.
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if let Ok(output) = Command::new("dmidecode")
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.arg("-s")
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.arg("system-uuid")
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.output()
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{
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let identifier = String::from_utf8_lossy(&output.stdout).trim().to_owned();
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if !identifier.is_empty() {
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return Some(identifier.to_string());
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}
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}
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// Try to read file /etc/machine-id if 'dmidecode' command cannot be executed or get nothing.
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// 对 linux 或 wsl 来说，读取 /etc/machine-id 即可获取当前操作系统的
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// 唯一标识，而且某些环境没有预装`dmidecode`命令
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if let Ok(identifier) = std::fs::read_to_string("/etc/machine-id") {
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let identifier = identifier.trim();
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if !identifier.is_empty() {
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return Some(identifier.to_string());
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}
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}
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None
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}
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