Fix build errors on Unix

src-tauri/Cargo.lock

@@ -756,6 +756,7 @@ dependencies = [
  "rustls-pemfile",
  "serde",
  "serde_json",
+ "sudo",
  "sysinfo",
  "tauri",
  "tauri-build",
@@ -3726,6 +3727,16 @@ version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
+[[package]]
+name = "sudo"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88bd84d4c082e18e37fef52c0088e4407dabcef19d23a607fb4b5ee03b7d5b83"
+dependencies = [
+ "libc",
+ "log",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.92"

src-tauri/Cargo.toml

@@ -14,6 +14,13 @@ rust-version = "1.57"
 [build-dependencies]
 tauri-build = { version = "1.0.0-rc.8", features = [] }
 
+[target.'cfg(windows)'.dependencies]
+is_elevated = "0.1.2"
+registry = "1.2.1"
+
+[target.'cfg(unix)'.dependencies]
+sudo = "0.6.0"
+
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
 tauri = { version = "1.0.0-rc.9", features = ["api-all"] }
@@ -28,9 +35,6 @@ zip = "0.6.2"
 # For creating a "global" downloads list.
 lazy_static = "1.4.0"
 
-# Access to the Windows Registry.
-registry = "1.2.1"
-
 # Program opener.
 open = "2.1.2"
 duct = "0.13.5"
@@ -39,7 +43,6 @@ duct = "0.13.5"
 serde_json = "1"
 
 # System process elevation.
-is_elevated = "0.1.2"
 runas = "0.2.1"
 
 # Dependencies for the HTTP(S) proxy.

src-tauri/src/proxy.rs

@@ -17,11 +17,12 @@ use hudsucker::{
 use std::fs;
 use std::net::SocketAddr;
 use std::path::Path;
-use registry::{Hive, Data, Security};
 
 use rustls_pemfile as pemfile;
 use tauri::http::Uri;
-use crate::system_helpers::run_command;
+
+#[cfg(windows)]
+use registry::{Hive, Data, Security};
 
 async fn shutdown_signal() {
   tokio::signal::ctrl_c().await
@@ -109,8 +110,8 @@ pub async fn create_proxy(proxy_port: u16, certificate_path: String) {
 /**
  * Connects to the local HTTP(S) proxy server.
  */
+#[cfg(windows)]
 pub fn connect_to_proxy(proxy_port: u16) {
-  if cfg!(target_os = "windows") {
   // Create 'ProxyServer' string.
   let server_string: String = format!("http=127.0.0.1:{};https=127.0.0.1:{}", proxy_port, proxy_port);
 
@@ -120,26 +121,32 @@ pub fn connect_to_proxy(proxy_port: u16) {
   // Set registry values.
   settings.set_value("ProxyServer", &Data::String(server_string.parse().unwrap())).unwrap();
   settings.set_value("ProxyEnable", &Data::U32(1)).unwrap();
-  }
 
   println!("Connected to the proxy.");
 }
 
+#[cfg(not(windows))]
+pub fn connect_to_proxy(_proxy_port: u16) {
+  println!("Connecting to the proxy is not implemented on this platform.");
+}
+
 /**
  * Disconnects from the local HTTP(S) proxy server.
  */
+#[cfg(windows)]
 pub fn disconnect_from_proxy() {
-  if cfg!(target_os = "windows") {
   // Fetch the 'Internet Settings' registry key.
   let settings = Hive::CurrentUser.open(r"Software\Microsoft\Windows\CurrentVersion\Internet Settings", Security::Write).unwrap();
 
   // Set registry values.
   settings.set_value("ProxyEnable", &Data::U32(0)).unwrap();
-  }
 
   println!("Disconnected from proxy.");
 }
 
+#[cfg(not(windows))]
+pub fn disconnect_from_proxy() {}
+
 /*
  * Generates a private key and certificate used by the certificate authority.
  * Additionally installs the certificate and private key in the Root CA store.
@@ -201,12 +208,19 @@ pub fn generate_ca_files(path: &Path) {
 /*
  * Attempts to install the certificate authority's certificate into the Root CA store.
  */
+#[cfg(windows)]
 pub fn install_ca_files(cert_path: &Path) {
-  if cfg!(target_os = "windows") {
+  crate::system_helpers::run_command("certutil", vec!["-user", "-addstore", "Root", cert_path.to_str().unwrap()]);
-    run_command("certutil", vec!["-user", "-addstore", "Root", cert_path.to_str().unwrap()]);
-  } else {
-    run_command("security", vec!["add-trusted-cert", "-d", "-r", "trustRoot", "-k", "/Library/Keychains/System.keychain", cert_path.to_str().unwrap()]);
-  }
-
   println!("Installed certificate.");
 }
+
+#[cfg(target_os = "macos")]
+pub fn install_ca_files(cert_path: &Path) {
+  crate::system_helpers::run_command("security", vec!["add-trusted-cert", "-d", "-r", "trustRoot", "-k", "/Library/Keychains/System.keychain", cert_path.to_str().unwrap()]);
+  println!("Installed certificate.");
+}
+
+#[cfg(not(any(windows, target_os = "macos")))]
+pub fn install_ca_files(_cert_path: &Path) {
+  println!("Certificate installation is not supported on this platform.");
+}

src-tauri/src/system_helpers.rs

@@ -76,7 +76,14 @@ pub fn install_location() -> String {
   return exe_path.to_str().unwrap().to_string();
 }
 
+#[cfg(windows)]
 #[tauri::command]
 pub fn is_elevated() -> bool {
-  return is_elevated::is_elevated();
+  is_elevated::is_elevated()
+}
+
+#[cfg(unix)]
+#[tauri::command]
+pub fn is_elevated() -> bool {
+  sudo::check() == sudo::RunningAs::Root
 }