v2

src/extract_wintun_dll.rs

@@ -0,0 +1,33 @@
+use std::fs;
+use std::io::{self, Write};
+use std::path::Path;
+
+#[cfg(target_arch = "x86_64")]
+const WINTUN_DLL: &[u8] = include_bytes!("../dll/amd64/wintun.dll");
+
+#[cfg(target_arch = "x86")]
+const WINTUN_DLL: &[u8] = include_bytes!("../dll/x86/wintun.dll");
+
+#[cfg(target_arch = "aarch64")]
+const WINTUN_DLL: &[u8] = include_bytes!("../dll/arm64/wintun.dll");
+
+#[cfg(target_arch = "arm")]
+const WINTUN_DLL: &[u8] = include_bytes!("../dll/arm/wintun.dll");
+
+pub fn extract_wintun() {
+    if let Err(e) = extract_wintun_impl() {
+        log::error!("extract wintun.dll {:?}", e);
+    }
+}
+fn extract_wintun_impl() -> io::Result<()> {
+    let path = std::env::current_exe()
+        .ok()
+        .and_then(|p| p.parent().map(|d| d.join("wintun.dll")))
+        .unwrap_or_else(|| Path::new("wintun.dll").to_path_buf());
+
+    if !path.exists() {
+        let mut file = fs::File::create(&path)?;
+        file.write_all(WINTUN_DLL)?;
+    }
+    Ok(())
+}