luckyimnotanigger/tun2proxy
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--dns-addr option

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ssrlive 2023-08-31 15:59:07 +08:00
parent bbb8d3b244
commit 0044756f78
4 changed files with 28 additions and 15 deletions
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31
src/main.rs
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@ -25,13 +25,13 @@ struct Args {
#[arg(short, long, value_parser = Proxy::from_url, value_name = "URL")]
proxy: Proxy,
/// DNS handling
#[arg(short, long, value_name = "method", value_enum, default_value = "virtual")]
/// DNS handling strategy
#[arg(short, long, value_name = "strategy", value_enum, default_value = "virtual")]
dns: ArgDns,
/// Enable DNS over TCP
#[arg(long)]
dns_over_tcp: bool,
/// DNS resolver address
#[arg(long, value_name = "IP", default_value = "8.8.8.8")]
dns_addr: IpAddr,
/// IPv6 enabled
#[arg(short = '6', long)]
@ -50,10 +50,15 @@ struct Args {
verbosity: ArgVerbosity,
}
/// DNS query handling strategy
/// - Virtual: Intercept DNS queries and resolve them locally with a fake IP address
/// - OverTcp: Use TCP to send DNS queries to the DNS server
/// - Direct: Looks as general UDP traffic but change the destination to the DNS server
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, clap::ValueEnum)]
enum ArgDns {
Virtual,
None,
OverTcp,
Direct,
}
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, clap::ValueEnum)]
@ -83,13 +88,17 @@ fn main() -> ExitCode {
log::info!("Proxy {proxy_type} server: {addr}");
let mut options = Options::new();
if args.dns == ArgDns::Virtual {
options = options.with_virtual_dns();
match args.dns {
ArgDns::Virtual => {
options = options.with_virtual_dns();
}
ArgDns::OverTcp => {
options = options.with_dns_over_tcp();
}
_ => {}
}
if args.dns_over_tcp {
options = options.with_dns_over_tcp();
}
options = options.with_dns_addr(Some(args.dns_addr));
if args.ipv6_enabled {
options = options.with_ipv6_enabled();