fix:public DNS not set in macos, tun+fake-ip

scripts/check.mjs

@@ -279,27 +279,50 @@ async function resolveSidecar(binInfo) {
   }
 }
 
+const resolveSetDnsScript = () =>
+  resolveResource({
+    file: "set_dns.sh",
+    localPath: path.join(cwd, "scripts/set_dns.sh"),
+  });
+const resolveUnSetDnsScript = () =>
+  resolveResource({
+    file: "unset_dns.sh",
+    localPath: path.join(cwd, "scripts/unset_dns.sh"),
+  });
+
 /**
  * download the file to the resources dir
  */
 async function resolveResource(binInfo) {
-  const { file, downloadURL } = binInfo;
+  const { file, downloadURL, localPath } = binInfo;
 
   const resDir = path.join(cwd, "src-tauri/resources");
   const targetPath = path.join(resDir, file);
 
   if (!FORCE && fs.existsSync(targetPath)) return;
 
+  if (downloadURL) {
     await fsp.mkdir(resDir, { recursive: true });
     await downloadFile(downloadURL, targetPath);
+  }
+
+  if (localPath) {
+    await fs.copyFile(localPath, targetPath, (err) => {
+      if (err) {
+        console.error("Error copying file:", err);
+      } else {
+        console.log("File was copied successfully");
+      }
+    });
+    log_debug(`copy file finished: "${localPath}"`);
+  }
 
   log_success(`${file} finished`);
 }
 
 /**
  * download file and save to `path`
- */
-async function downloadFile(url, path) {
+ */ async function downloadFile(url, path) {
   const options = {};
 
   const httpProxy =
@@ -474,6 +497,18 @@ const tasks = [
     retry: 5,
     winOnly: true,
   },
+  {
+    name: "set_dns_script",
+    func: resolveSetDnsScript,
+    retry: 5,
+    macosOnly: true,
+  },
+  {
+    name: "unset_dns_script",
+    func: resolveUnSetDnsScript,
+    retry: 5,
+    macosOnly: true,
+  },
 ];
 
 async function runTask() {
@@ -482,6 +517,7 @@ async function runTask() {
   if (task.winOnly && platform !== "win32") return runTask();
   if (task.linuxOnly && platform !== "linux") return runTask();
   if (task.unixOnly && platform === "win32") return runTask();
+  if (task.macosOnly && platform !== "darwin") return runTask();
 
   for (let i = 0; i < task.retry; i++) {
     try {

scripts/set_dns.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+function is_valid_ip() {
+    local ip=$1
+    local IFS='.'
+    local -a octets
+
+    if [[ ! $ip =~ ^([0-9]+\.){3}[0-9]+$ ]]; then
+        return 1
+    fi
+
+    read -r -a octets <<<"$ip"
+
+    if [ "${#octets[@]}" -ne 4 ]; then
+        return 1
+    fi
+
+    for octet in "${octets[@]}"; do
+        if ! [[ "$octet" =~ ^[0-9]+$ ]] || ((octet < 0 || octet > 255)); then
+            return 1
+        fi
+    done
+
+    return 0
+}
+
+if [ $# -lt 1 ]; then
+    echo "Usage: $0 <hardware_port>"
+    exit 1
+fi
+
+if ! is_valid_ip "$1"; then
+    echo "$1 is not a valid IP address."
+    exit 1
+fi
+
+nic=$(route -n get default | grep "interface" | awk '{print $2}')
+hardware_port=$(networksetup -listallhardwareports | awk -v dev="$nic" '
+    /Hardware Port:/{
+        port=$0; gsub("Hardware Port: ", "", port)
+    } 
+    /Device: /{
+        if ($2 == dev) {
+            print port; 
+            exit
+        }
+    }
+')
+
+original_dns=$(networksetup -getdnsservers "$hardware_port")
+
+if [ ${#original_dns} -gt 15 ]; then
+    echo "Empty" >original_dns.txt
+else
+    echo $original_dns >original_dns.txt
+fi
+
+networksetup -setdnsservers "$hardware_port" "$1"

scripts/unset_dns.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+nic=$(route -n get default | grep "interface" | awk '{print $2}')
+
+hardware_port=$(networksetup -listallhardwareports | awk -v dev="$nic" '
+    /Hardware Port:/{
+        port=$0; gsub("Hardware Port: ", "", port)
+    } 
+    /Device: /{
+        if ($2 == dev) {
+            print port; 
+            exit
+        }
+    }
+')
+
+if [ -f original_dns.txt ]; then
+    original_dns=$(cat original_dns.txt)
+else
+    original_dns=$(networksetup -getdnsservers "$hardware_port")
+fi
+
+networksetup -setdnsservers "$hardware_port" $original_dns

src-tauri/src/enhance/tun.rs

@@ -35,8 +35,12 @@ pub async fn use_tun(mut config: Mapping, enable: bool) -> Mapping {
         revise!(dns_val, "ip-v6", true);
         revise!(dns_val, "enhanced-mode", "fake-ip");
         revise!(dns_val, "fake-ip-range", "10.96.0.0/16");
+        #[cfg(target_os = "macos")]
+        set_public_dns("10.96.0.2".to_string()).await;
     } else {
         revise!(dns_val, "enhanced-mode", "redir-host");
+        #[cfg(target_os = "macos")]
+        restore_public_dns().await;
     }
 
     revise!(tun_val, "enable", enable);
@@ -44,3 +48,76 @@ pub async fn use_tun(mut config: Mapping, enable: bool) -> Mapping {
     revise!(config, "dns", dns_val);
     config
 }
+
+#[cfg(target_os = "macos")]
+async fn set_public_dns(dns_server: String) {
+    use crate::core::handle;
+    use crate::utils::dirs;
+    use tauri_plugin_shell::ShellExt;
+    let app_handle = handle::Handle::global().app_handle().unwrap();
+
+    log::info!(target: "app", "try to set system dns");
+    let resource_dir = dirs::app_resources_dir().unwrap();
+    let script = resource_dir.join("set_dns.sh");
+    if !script.exists() {
+        log::error!(target: "app", "set_dns.sh not found");
+        return;
+    }
+    let script = script.to_string_lossy().into_owned();
+    match app_handle
+        .shell()
+        .command("bash")
+        .args([script, dns_server])
+        .current_dir(resource_dir)
+        .status()
+        .await
+    {
+        Ok(status) => {
+            if status.success() {
+                log::info!(target: "app", "set system dns successfully");
+            } else {
+                let code = status.code().unwrap_or(-1);
+                log::error!(target: "app", "set system dns failed: {code}");
+            }
+        }
+        Err(err) => {
+            log::error!(target: "app", "set system dns failed: {err}");
+        }
+    }
+}
+
+#[cfg(target_os = "macos")]
+async fn restore_public_dns() {
+    use crate::core::handle;
+    use crate::utils::dirs;
+    use tauri_plugin_shell::ShellExt;
+    let app_handle = handle::Handle::global().app_handle().unwrap();
+    log::info!(target: "app", "try to unset system dns");
+    let resource_dir = dirs::app_resources_dir().unwrap();
+    let script = resource_dir.join("unset_dns.sh");
+    if !script.exists() {
+        log::error!(target: "app", "unset_dns.sh not found");
+        return;
+    }
+    let script = script.to_string_lossy().into_owned();
+    match app_handle
+        .shell()
+        .command("bash")
+        .args([script])
+        .current_dir(resource_dir)
+        .status()
+        .await
+    {
+        Ok(status) => {
+            if status.success() {
+                log::info!(target: "app", "unset system dns successfully");
+            } else {
+                let code = status.code().unwrap_or(-1);
+                log::error!(target: "app", "unset system dns failed: {code}");
+            }
+        }
+        Err(err) => {
+            log::error!(target: "app", "unset system dns failed: {err}");
+        }
+    }
+}

src-tauri/tauri.macos.conf.json

@@ -3,6 +3,7 @@
   "identifier": "io.github.clash-verge-rev.clash-verge-rev",
   "bundle": {
     "targets": ["app", "dmg"],
+    "resources": ["resources/set_dns.sh", "resources/unset_dns.sh"],
     "macOS": {
       "frameworks": [],
       "minimumSystemVersion": "10.15",