103 lines
3.0 KiB
Rust

use serde_yaml::{Mapping, Value};
macro_rules! revise {
($map: expr, $key: expr, $val: expr) => {
let ret_key = Value::String($key.into());
$map.insert(ret_key, Value::from($val));
};
}
// if key not exists then append value
#[allow(unused_macros)]
macro_rules! append {
($map: expr, $key: expr, $val: expr) => {
let ret_key = Value::String($key.into());
if !$map.contains_key(&ret_key) {
$map.insert(ret_key, Value::from($val));
}
};
}
pub async fn use_tun(mut config: Mapping, enable: bool) -> Mapping {
let tun_key = Value::from("tun");
let tun_val = config.get(&tun_key);
let mut tun_val = tun_val.map_or(Mapping::new(), |val| {
val.as_mapping().cloned().unwrap_or(Mapping::new())
});
let dns_key = Value::from("dns");
let dns_val = config.get(&dns_key);
let mut dns_val = dns_val.map_or(Mapping::new(), |val| {
val.as_mapping().cloned().unwrap_or(Mapping::new())
});
let ipv6_key = Value::from("ipv6");
let ipv6_val = config
.get(&ipv6_key)
.and_then(|v| v.as_bool())
.unwrap_or(false);
if enable {
// 检查现有的 enhanced-mode 设置
let current_mode = dns_val
.get(&Value::from("enhanced-mode"))
.and_then(|v| v.as_str())
.unwrap_or("fake-ip");
// 只有当 enhanced-mode 是 fake-ip 或未设置时才修改 DNS 配置
if current_mode == "fake-ip" || !dns_val.contains_key(&Value::from("enhanced-mode")) {
revise!(dns_val, "enable", true);
revise!(dns_val, "ipv6", ipv6_val);
if !dns_val.contains_key(&Value::from("enhanced-mode")) {
revise!(dns_val, "enhanced-mode", "fake-ip");
}
if !dns_val.contains_key(&Value::from("fake-ip-range")) {
revise!(dns_val, "fake-ip-range", "198.18.0.1/16");
}
#[cfg(target_os = "macos")]
{
crate::utils::resolve::restore_public_dns().await;
crate::utils::resolve::set_public_dns("223.6.6.6".to_string()).await;
}
}
} else {
revise!(
dns_val,
"enable",
dns_val
.get("enable")
.and_then(|v| v.as_bool())
.unwrap_or(true)
);
revise!(dns_val, "ipv6", ipv6_val);
revise!(
dns_val,
"enhanced-mode",
dns_val
.get("enhanced-mode")
.and_then(|v| v.as_str())
.unwrap_or("redir-host")
);
revise!(
dns_val,
"fake-ip-range",
dns_val
.get("fake-ip-range")
.and_then(|v| v.as_str())
.unwrap_or("198.18.0.1/16")
);
#[cfg(target_os = "macos")]
crate::utils::resolve::restore_public_dns().await;
}
revise!(tun_val, "enable", enable);
revise!(config, "tun", tun_val);
revise!(config, "dns", dns_val);
config
}