From 5e3221f852179cc78cd4c35579fd2b3ae1c36370 Mon Sep 17 00:00:00 2001 From: AzMoridaneOstad Date: Fri, 13 Sep 2024 14:49:52 +0330 Subject: [PATCH] Implement mock_dns outbound --- Cargo.lock | 608 ++++++++++++++++++++++++++++++++- Cargo.toml | 1 + config.toml | 1 + src/config.rs | 2 + src/proxy/mock_udp/doh.rs | 22 ++ src/proxy/mock_udp/mod.rs | 9 + src/proxy/mock_udp/outbound.rs | 94 +++++ src/proxy/mod.rs | 40 ++- 8 files changed, 760 insertions(+), 17 deletions(-) create mode 100644 src/proxy/mock_udp/doh.rs create mode 100644 src/proxy/mock_udp/mod.rs create mode 100644 src/proxy/mock_udp/outbound.rs diff --git a/Cargo.lock b/Cargo.lock index bec4d32..636c523 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -93,6 +93,12 @@ dependencies = [ "rustc-demangle", ] +[[package]] +name = "base64" +version = "0.21.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567" + [[package]] name = "base64" version = "0.22.1" @@ -118,6 +124,18 @@ dependencies = [ "virtue", ] +[[package]] +name = "bitflags" +version = "1.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" + +[[package]] +name = "bitflags" +version = "2.6.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de" + [[package]] name = "block-buffer" version = "0.10.4" @@ -203,6 +221,22 @@ dependencies = [ "inout", ] +[[package]] +name = "core-foundation" +version = "0.9.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f" +dependencies = [ + "core-foundation-sys", + "libc", +] + +[[package]] +name = "core-foundation-sys" +version = "0.8.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f" + [[package]] name = "cpufeatures" version = "0.2.12" @@ -248,12 +282,31 @@ version = "1.0.17" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0d6ef0072f8a535281e4876be788938b528e9a1d43900b82c2569af7da799125" +[[package]] +name = "encoding_rs" +version = "0.8.34" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b45de904aa0b010bce2ab45264d0631681847fa7b6f2eaa7dab7619943bc4f59" +dependencies = [ + "cfg-if", +] + [[package]] name = "equivalent" version = "1.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5" +[[package]] +name = "errno" +version = "0.3.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba" +dependencies = [ + "libc", + "windows-sys 0.52.0", +] + [[package]] name = "fastrand" version = "2.1.0" @@ -266,6 +319,21 @@ version = "1.0.7" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" +[[package]] +name = "foreign-types" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1" +dependencies = [ + "foreign-types-shared", +] + +[[package]] +name = "foreign-types-shared" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b" + [[package]] name = "form_urlencoded" version = "1.2.1" @@ -375,6 +443,25 @@ version = "0.28.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253" +[[package]] +name = "h2" +version = "0.3.26" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "81fe527a889e1532da5c525686d96d4c2e74cdd345badf8dfef9f6b39dd5f5e8" +dependencies = [ + "bytes", + "fnv", + "futures-core", + "futures-sink", + "futures-util", + "http", + "indexmap", + "slab", + "tokio", + "tokio-util", + "tracing", +] + [[package]] name = "hashbrown" version = "0.14.5" @@ -392,6 +479,66 @@ dependencies = [ "itoa", ] +[[package]] +name = "http-body" +version = "0.4.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2" +dependencies = [ + "bytes", + "http", + "pin-project-lite", +] + +[[package]] +name = "httparse" +version = "1.9.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0fcc0b4a115bf80b728eb8ea024ad5bd707b615bfed49e0665b6e0f86fd082d9" + +[[package]] +name = "httpdate" +version = "1.0.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9" + +[[package]] +name = "hyper" +version = "0.14.30" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a152ddd61dfaec7273fe8419ab357f33aee0d914c5f4efbf0d96fa749eea5ec9" +dependencies = [ + "bytes", + "futures-channel", + "futures-core", + "futures-util", + "h2", + "http", + "http-body", + "httparse", + "httpdate", + "itoa", + "pin-project-lite", + "socket2", + "tokio", + "tower-service", + "tracing", + "want", +] + +[[package]] +name = "hyper-tls" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905" +dependencies = [ + "bytes", + "hyper", + "native-tls", + "tokio", + "tokio-native-tls", +] + [[package]] name = "idna" version = "0.5.0" @@ -421,6 +568,12 @@ dependencies = [ "generic-array", ] +[[package]] +name = "ipnet" +version = "2.9.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3" + [[package]] name = "itoa" version = "1.0.11" @@ -448,6 +601,12 @@ version = "0.2.154" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "ae743338b92ff9146ce83992f766a31066a91a8c84a45e0e9f21e7cf6de6d346" +[[package]] +name = "linux-raw-sys" +version = "0.4.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89" + [[package]] name = "log" version = "0.4.21" @@ -476,6 +635,12 @@ version = "2.7.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "6c8640c5d730cb13ebd907d8d04b52f55ac9a2eec55b440c8892f40d56c76c1d" +[[package]] +name = "mime" +version = "0.3.17" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a" + [[package]] name = "miniz_oxide" version = "0.7.2" @@ -485,6 +650,34 @@ dependencies = [ "adler", ] +[[package]] +name = "mio" +version = "0.8.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a4a650543ca06a924e8b371db273b2756685faae30f8487da1b56505a8f78b0c" +dependencies = [ + "libc", + "wasi", + "windows-sys 0.48.0", +] + +[[package]] +name = "native-tls" +version = "0.2.12" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a8614eb2c83d59d1c8cc974dd3f920198647674a0a035e1af1fa58707e317466" +dependencies = [ + "libc", + "log", + "openssl", + "openssl-probe", + "openssl-sys", + "schannel", + "security-framework", + "security-framework-sys", + "tempfile", +] + [[package]] name = "num-traits" version = "0.2.19" @@ -515,6 +708,50 @@ version = "0.3.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381" +[[package]] +name = "openssl" +version = "0.10.66" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9529f4786b70a3e8c61e11179af17ab6188ad8d0ded78c5529441ed39d4bd9c1" +dependencies = [ + "bitflags 2.6.0", + "cfg-if", + "foreign-types", + "libc", + "once_cell", + "openssl-macros", + "openssl-sys", +] + +[[package]] +name = "openssl-macros" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "openssl-probe" +version = "0.1.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf" + +[[package]] +name = "openssl-sys" +version = "0.9.103" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7f9e8deee91df40a943c71b917e5874b951d32a802526c85721ce3b776c929d6" +dependencies = [ + "cc", + "libc", + "pkg-config", + "vcpkg", +] + [[package]] name = "parse-zoneinfo" version = "0.3.1" @@ -600,6 +837,12 @@ version = "0.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184" +[[package]] +name = "pkg-config" +version = "0.3.30" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec" + [[package]] name = "polyval" version = "0.6.2" @@ -677,18 +920,80 @@ version = "0.8.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b" +[[package]] +name = "reqwest" +version = "0.11.23" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "37b1ae8d9ac08420c66222fb9096fc5de435c3c48542bc5336c51892cffafb41" +dependencies = [ + "base64 0.21.7", + "bytes", + "encoding_rs", + "futures-core", + "futures-util", + "h2", + "http", + "http-body", + "hyper", + "hyper-tls", + "ipnet", + "js-sys", + "log", + "mime", + "native-tls", + "once_cell", + "percent-encoding", + "pin-project-lite", + "serde", + "serde_json", + "serde_urlencoded", + "system-configuration", + "tokio", + "tokio-native-tls", + "tokio-util", + "tower-service", + "url", + "wasm-bindgen", + "wasm-bindgen-futures", + "wasm-streams", + "web-sys", + "winreg", +] + [[package]] name = "rustc-demangle" version = "0.1.24" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f" +[[package]] +name = "rustix" +version = "0.38.34" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "70dc5ec042f7a43c4a73241207cecc9873a06d45debb38b329f8541d85c2730f" +dependencies = [ + "bitflags 2.6.0", + "errno", + "libc", + "linux-raw-sys", + "windows-sys 0.52.0", +] + [[package]] name = "ryu" version = "1.0.18" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f" +[[package]] +name = "schannel" +version = "0.1.23" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fbc91545643bcf3a0bbb6569265615222618bdf33ce4ffbbd13c4bbd4c093534" +dependencies = [ + "windows-sys 0.52.0", +] + [[package]] name = "schemars" version = "0.8.21" @@ -714,6 +1019,29 @@ dependencies = [ "syn", ] +[[package]] +name = "security-framework" +version = "2.11.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "897b2245f0b511c87893af39b033e5ca9cce68824c4d7e7630b5a1d339658d02" +dependencies = [ + "bitflags 2.6.0", + "core-foundation", + "core-foundation-sys", + "libc", + "security-framework-sys", +] + +[[package]] +name = "security-framework-sys" +version = "2.11.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "75da29fe9b9b08fe9d6b22b5b4bcbc75d8db3aa31e639aa56bb62e9d46bfceaf" +dependencies = [ + "core-foundation-sys", + "libc", +] + [[package]] name = "serde" version = "1.0.201" @@ -776,6 +1104,18 @@ dependencies = [ "serde", ] +[[package]] +name = "serde_urlencoded" +version = "0.7.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd" +dependencies = [ + "form_urlencoded", + "itoa", + "ryu", + "serde", +] + [[package]] name = "sha2" version = "0.10.8" @@ -802,6 +1142,16 @@ dependencies = [ "autocfg", ] +[[package]] +name = "socket2" +version = "0.5.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ce305eb0b4296696835b71df73eb912e0f1ffd2556a501fcede6e0c50349191c" +dependencies = [ + "libc", + "windows-sys 0.52.0", +] + [[package]] name = "subtle" version = "2.5.0" @@ -819,6 +1169,39 @@ dependencies = [ "unicode-ident", ] +[[package]] +name = "system-configuration" +version = "0.5.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ba3a3adc5c275d719af8cb4272ea1c4a6d668a777f37e115f6d11ddbc1c8e0e7" +dependencies = [ + "bitflags 1.3.2", + "core-foundation", + "system-configuration-sys", +] + +[[package]] +name = "system-configuration-sys" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a75fb188eb626b924683e3b95e3a48e63551fcfb51949de2f06a9d91dbee93c9" +dependencies = [ + "core-foundation-sys", + "libc", +] + +[[package]] +name = "tempfile" +version = "3.10.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "85b77fafb263dd9d05cbeac119526425676db3784113aa9295c88498cbf8bff1" +dependencies = [ + "cfg-if", + "fastrand", + "rustix", + "windows-sys 0.52.0", +] + [[package]] name = "thiserror" version = "1.0.60" @@ -862,7 +1245,34 @@ checksum = "1adbebffeca75fcfd058afa480fb6c0b81e165a0323f9c9d39c9697e37c46787" dependencies = [ "backtrace", "bytes", + "libc", + "mio", "pin-project-lite", + "socket2", + "windows-sys 0.48.0", +] + +[[package]] +name = "tokio-native-tls" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2" +dependencies = [ + "native-tls", + "tokio", +] + +[[package]] +name = "tokio-util" +version = "0.7.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9cf6b47b3771c49ac75ad09a6162f53ad4b8088b76ac60e8ec1455b31a189fe1" +dependencies = [ + "bytes", + "futures-core", + "futures-sink", + "pin-project-lite", + "tokio", ] [[package]] @@ -899,6 +1309,37 @@ dependencies = [ "winnow", ] +[[package]] +name = "tower-service" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52" + +[[package]] +name = "tracing" +version = "0.1.40" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef" +dependencies = [ + "pin-project-lite", + "tracing-core", +] + +[[package]] +name = "tracing-core" +version = "0.1.32" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54" +dependencies = [ + "once_cell", +] + +[[package]] +name = "try-lock" +version = "0.2.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b" + [[package]] name = "tunl" version = "0.1.0" @@ -906,7 +1347,7 @@ dependencies = [ "aes", "aes-gcm", "async-trait", - "base64", + "base64 0.22.1", "bincode", "bytes", "cidr", @@ -916,6 +1357,7 @@ dependencies = [ "lazy_static", "md-5", "pin-project-lite", + "reqwest", "schemars", "serde", "serde_json", @@ -983,6 +1425,12 @@ dependencies = [ "serde", ] +[[package]] +name = "vcpkg" +version = "0.2.15" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426" + [[package]] name = "version_check" version = "0.9.4" @@ -995,6 +1443,15 @@ version = "0.0.13" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9dcc60c0624df774c82a0ef104151231d37da4962957d691c011c852b2473314" +[[package]] +name = "want" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e" +dependencies = [ + "try-lock", +] + [[package]] name = "wasi" version = "0.11.0+wasi-snapshot-preview1" @@ -1090,6 +1547,145 @@ dependencies = [ "wasm-bindgen", ] +[[package]] +name = "windows-sys" +version = "0.48.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9" +dependencies = [ + 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["uuid1"] } bincode = "2.0.0-rc.3" +reqwest = { version = "0.11", features = ["stream"] } [profile.release] opt-level = "s" diff --git a/config.toml b/config.toml index dd81bb3..8345228 100644 --- a/config.toml +++ b/config.toml @@ -34,3 +34,4 @@ match = [ "172.64.0.0/13", "131.0.72.0/22" ] +mock_udp = true diff --git a/src/config.rs b/src/config.rs index 0866db6..277fab8 100644 --- a/src/config.rs +++ b/src/config.rs @@ -34,6 +34,8 @@ pub struct Outbound { pub port: u16, #[serde(default)] pub uuid: Uuid, + #[serde(default)] + pub mock_udp: bool, } #[derive(Default, Clone, Serialize, Deserialize, JsonSchema)] diff --git a/src/proxy/mock_udp/doh.rs b/src/proxy/mock_udp/doh.rs new file mode 100644 index 0000000..799fed1 --- /dev/null +++ b/src/proxy/mock_udp/doh.rs @@ -0,0 +1,22 @@ +use reqwest::header::{HeaderMap, HeaderValue, ACCEPT, CONTENT_TYPE}; +use reqwest::Client; + +pub async fn doh(req_wireformat: &[u8]) -> reqwest::Result> { + let mut headers = HeaderMap::new(); + headers.insert( + CONTENT_TYPE, + HeaderValue::from_static("application/dns-message"), + ); + headers.insert(ACCEPT, HeaderValue::from_static("application/dns-message")); + let client = Client::new(); + let response = client + .post("https://1.1.1.1/dns-query") + .headers(headers) + .body(req_wireformat.to_vec()) + .send() + .await? + .bytes() + .await?; + + Ok(response.to_vec()) +} diff --git a/src/proxy/mock_udp/mod.rs b/src/proxy/mock_udp/mod.rs new file mode 100644 index 0000000..d933c69 --- /dev/null +++ b/src/proxy/mock_udp/mod.rs @@ -0,0 +1,9 @@ +//! Mock some udp based protocols. +//! - DNS: receive the dns request from in-bound but handle with DoH wireformat +//! - QUIC: +//! TODO: maybe we can receive the request and act like a sni-proxy? +//! - WebRTC: +//! TODO: maybe we can forge a response to force it to use TCP? + +pub mod doh; +pub mod outbound; diff --git a/src/proxy/mock_udp/outbound.rs b/src/proxy/mock_udp/outbound.rs new file mode 100644 index 0000000..d283477 --- /dev/null +++ b/src/proxy/mock_udp/outbound.rs @@ -0,0 +1,94 @@ +use crate::proxy::Proxy; +use std::pin::Pin; +use std::task::{Context, Poll}; + +use async_trait::async_trait; +use tokio::io::{AsyncRead, AsyncWrite, ReadBuf}; +use worker::*; + +use std::sync::{Arc, Mutex}; +use std::task::Waker; + +use super::doh; + +struct MockUDPStreamInner { + response: Option>, + waker: Option, +} + +impl MockUDPStreamInner { + fn set_response(&mut self, response: Vec) { + self.response = Some(response); + if let Some(waker) = self.waker.take() { + waker.wake() + } + } +} + +pub struct MockUDPStream { + inner: Arc>, +} + +impl MockUDPStream { + pub fn new() -> Self { + MockUDPStream { + inner: Arc::new(Mutex::new(MockUDPStreamInner { + response: None, + waker: None, + })), + } + } +} + +#[async_trait] +impl Proxy for MockUDPStream { + async fn process(&mut self) -> Result<()> { + Ok(()) + } +} + +impl AsyncRead for MockUDPStream { + fn poll_read( + self: Pin<&mut Self>, + cx: &mut Context<'_>, + buf: &mut ReadBuf<'_>, + ) -> Poll> { + let mut inner = self.inner.lock().unwrap(); + if let Some(response) = inner.response.take() { + let len = std::cmp::min(buf.remaining(), response.len()); + buf.put_slice(&response[..len]); + Poll::Ready(Ok(())) + } else { + inner.waker = Some(cx.waker().clone()); + Poll::Pending + } + } +} + +impl AsyncWrite for MockUDPStream { + fn poll_write( + self: Pin<&mut Self>, + _cx: &mut Context<'_>, + buf: &[u8], + ) -> Poll> { + let inner_ref = self.inner.clone(); + + let b = buf.to_vec(); + wasm_bindgen_futures::spawn_local(async move { + match doh::doh(b.as_slice()).await { + Ok(x) => inner_ref.lock().unwrap().set_response(x), + Err(e) => console_error!("doh failed: {e:?}"), + }; + }); + + Poll::Ready(Ok(buf.len())) + } + + fn poll_flush(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll> { + Poll::Ready(Ok(())) + } + + fn poll_shutdown(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll> { + Poll::Ready(Ok(())) + } +} diff --git a/src/proxy/mod.rs b/src/proxy/mod.rs index 5c03396..383eb3d 100644 --- a/src/proxy/mod.rs +++ b/src/proxy/mod.rs @@ -1,5 +1,6 @@ pub mod bepass; pub mod blackhole; +pub mod mock_udp; pub mod relay; pub mod trojan; pub mod vless; @@ -109,22 +110,29 @@ async fn connect_outbound(ctx: RequestContext, outbound: Outbound) -> Result = match outbound.protocol { - Protocol::Vless => Box::new(vless::outbound::VlessStream::new(ctx, outbound, socket)), - Protocol::RelayV1 => Box::new(relay::outbound::RelayStream::new( - ctx, - socket, - relay::outbound::RelayVersion::V1, - )), - Protocol::RelayV2 => Box::new(relay::outbound::RelayStream::new( - ctx, - socket, - relay::outbound::RelayVersion::V2, - )), - Protocol::Blackhole => Box::new(blackhole::outbound::BlackholeStream), - _ => Box::new(socket), + let maybe_dns = outbound.mock_udp && port == 53 && matches!(ctx.network, Network::Udp); + + let mut stream = if maybe_dns { + Box::new(mock_udp::outbound::MockUDPStream::new()) + } else { + let socket = Socket::builder().connect(addr, port)?; + + let stream: Box = match outbound.protocol { + Protocol::Vless => Box::new(vless::outbound::VlessStream::new(ctx, outbound, socket)), + Protocol::RelayV1 => Box::new(relay::outbound::RelayStream::new( + ctx, + socket, + relay::outbound::RelayVersion::V1, + )), + Protocol::RelayV2 => Box::new(relay::outbound::RelayStream::new( + ctx, + socket, + relay::outbound::RelayVersion::V2, + )), + Protocol::Blackhole => Box::new(blackhole::outbound::BlackholeStream), + _ => Box::new(socket), + }; + stream }; stream.process().await?;