feat: Support Tun Config (#416)

src-tauri/src/config/clash.rs

@@ -23,6 +23,14 @@ impl IClashTemp {
 
     pub fn template() -> Self {
         let mut map = Mapping::new();
+        let mut tun = Mapping::new();
+        tun.insert("stack".into(), "gVisor".into());
+        tun.insert("device".into(), "Meta".into());
+        tun.insert("auto-route".into(), true.into());
+        tun.insert("strict-route".into(), true.into());
+        tun.insert("auto-detect-interface".into(), true.into());
+        tun.insert("dns-hijack".into(), vec!["any:53", "tcp://any:53"].into());
+        tun.insert("mtu".into(), 9000.into());
 
         map.insert("mixed-port".into(), 7897.into());
         map.insert("socks-port".into(), 7898.into());
@@ -32,6 +40,7 @@ impl IClashTemp {
         map.insert("mode".into(), "rule".into());
         map.insert("external-controller".into(), "127.0.0.1:9097".into());
         map.insert("secret".into(), "".into());
+        map.insert("tun".into(), tun.into());
 
         Self(map)
     }

src-tauri/src/config/runtime.rs

@@ -1,7 +1,7 @@
+use crate::enhance::field::use_keys;
 use serde::{Deserialize, Serialize};
-use serde_yaml::Mapping;
+use serde_yaml::{Mapping, Value};
 use std::collections::HashMap;
-
 #[derive(Default, Debug, Clone, Deserialize, Serialize)]
 pub struct IRuntime {
     pub config: Option<Mapping>,
@@ -16,7 +16,7 @@ impl IRuntime {
         Self::default()
     }
 
-    // 这里只更改 allow-lan | ipv6 | log-level
+    // 这里只更改 allow-lan | ipv6 | log-level | tun
     pub fn patch_config(&mut self, patch: Mapping) {
         if let Some(config) = self.config.as_mut() {
             ["allow-lan", "ipv6", "log-level"]
@@ -26,6 +26,20 @@ impl IRuntime {
                         config.insert(key.into(), value.clone());
                     }
                 });
+            let tun = config.get("tun");
+            let mut tun = tun.map_or(Mapping::new(), |val| {
+                val.as_mapping().cloned().unwrap_or(Mapping::new())
+            });
+            let patch_tun = patch.get("tun");
+            let patch_tun = patch_tun.map_or(Mapping::new(), |val| {
+                val.as_mapping().cloned().unwrap_or(Mapping::new())
+            });
+            use_keys(&patch_tun).into_iter().for_each(|key| {
+                if let Some(value) = patch_tun.get(&key).to_owned() {
+                    tun.insert(key.into(), value.clone());
+                }
+            });
+            config.insert("tun".into(), Value::from(tun));
         }
     }
 }

src-tauri/src/enhance/mod.rs

@@ -1,5 +1,5 @@
 mod chain;
-mod field;
+pub mod field;
 mod merge;
 mod script;
 mod tun;
@@ -78,7 +78,18 @@ pub fn enhance() -> (Mapping, Vec<String>, HashMap<String, ResultLog>) {
 
     // 合并默认的config
     for (key, value) in clash_config.into_iter() {
-        config.insert(key, value);
+        if key.as_str() == Some("tun") {
+            let mut tun = config.get_mut("tun").map_or(Mapping::new(), |val| {
+                val.as_mapping().cloned().unwrap_or(Mapping::new())
+            });
+            let patch_tun = value.as_mapping().cloned().unwrap_or(Mapping::new());
+            for (key, value) in patch_tun.into_iter() {
+                tun.insert(key, value);
+            }
+            config.insert("tun".into(), tun.into());
+        } else {
+            config.insert(key, value);
+        }
     }
 
     // 内建脚本最后跑

src-tauri/src/enhance/tun.rs

@@ -30,12 +30,6 @@ pub fn use_tun(mut config: Mapping, enable: bool) -> Mapping {
     });
 
     revise!(tun_val, "enable", enable);
-    if enable {
-        append!(tun_val, "stack", "gvisor");
-        append!(tun_val, "dns-hijack", vec!["any:53"]);
-        append!(tun_val, "auto-route", true);
-        append!(tun_val, "auto-detect-interface", true);
-    }
 
     revise!(config, "tun", tun_val);