From bbcd4cf31287381104ea4450e303a8c23664abff Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= Date: Tue, 3 Dec 2024 20:11:27 +0800 Subject: [PATCH] Add Tailscale --- Makefile | 2 +- cmd/internal/build_libbox/main.go | 2 +- constant/dns.go | 1 + constant/proxy.go | 1 + go.mod | 71 +++- go.sum | 163 +++++++-- include/registry.go | 2 + include/tailscale.go | 17 + include/tailscale_stub.go | 27 ++ option/tailscale.go | 25 ++ protocol/tailscale/dns_transport.go | 316 +++++++++++++++++ protocol/tailscale/endpoint.go | 425 +++++++++++++++++++++++ protocol/tailscale/protect_android.go | 16 + protocol/tailscale/protect_nonandroid.go | 8 + 14 files changed, 1023 insertions(+), 53 deletions(-) create mode 100644 include/tailscale.go create mode 100644 include/tailscale_stub.go create mode 100644 option/tailscale.go create mode 100644 protocol/tailscale/dns_transport.go create mode 100644 protocol/tailscale/endpoint.go create mode 100644 protocol/tailscale/protect_android.go create mode 100644 protocol/tailscale/protect_nonandroid.go diff --git a/Makefile b/Makefile index 87595b8b..1ebc738f 100644 --- a/Makefile +++ b/Makefile @@ -2,7 +2,7 @@ NAME = sing-box COMMIT = $(shell git rev-parse --short HEAD) TAGS_GO120 = with_gvisor,with_dhcp,with_wireguard,with_reality_server,with_clash_api,with_quic,with_utls TAGS_GO121 = with_ech -TAGS_GO123 = badlinkname +TAGS_GO123 = with_tailscale,badlinkname TAGS ?= $(TAGS_GO118),$(TAGS_GO120),$(TAGS_GO121),$(TAGS_GO123) TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_ech,with_utls,with_reality_server diff --git a/cmd/internal/build_libbox/main.go b/cmd/internal/build_libbox/main.go index 72d06e7a..56ff6a45 100644 --- a/cmd/internal/build_libbox/main.go +++ b/cmd/internal/build_libbox/main.go @@ -58,7 +58,7 @@ func init() { sharedFlags = append(sharedFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid= -checklinkname=0") debugFlags = append(debugFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag) - sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_ech", "with_utls", "with_clash_api") + sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_ech", "with_utls", "with_clash_api", "with_tailscale") iosTags = append(iosTags, "with_dhcp", "with_low_memory", "with_conntrack") debugTags = append(debugTags, "debug") } diff --git a/constant/dns.go b/constant/dns.go index d3346de9..57449668 100644 --- a/constant/dns.go +++ b/constant/dns.go @@ -26,6 +26,7 @@ const ( DNSTypePreDefined = "predefined" DNSTypeFakeIP = "fakeip" DNSTypeDHCP = "dhcp" + DNSTypeTailscale = "tailscale" ) const ( diff --git a/constant/proxy.go b/constant/proxy.go index 3197de60..45e79f84 100644 --- a/constant/proxy.go +++ b/constant/proxy.go @@ -23,6 +23,7 @@ const ( TypeVLESS = "vless" TypeTUIC = "tuic" TypeHysteria2 = "hysteria2" + TypeTailscale = "tailscale" ) const ( diff --git a/go.mod b/go.mod index 1ad0c046..c69fe52a 100644 --- a/go.mod +++ b/go.mod @@ -1,6 +1,8 @@ module github.com/sagernet/sing-box -go 1.20 +go 1.23.1 + +toolchain go1.23.2 require ( github.com/caddyserver/certmagic v0.20.0 @@ -27,7 +29,6 @@ require ( github.com/sagernet/quic-go v0.48.2-beta.1 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691 github.com/sagernet/sing v0.6.0-beta.12 - github.com/sagernet/sing-dns v0.4.0-beta.2 github.com/sagernet/sing-mux v0.3.0-alpha.1 github.com/sagernet/sing-quic v0.4.0-beta.4 github.com/sagernet/sing-shadowsocks v0.2.7 @@ -36,6 +37,7 @@ require ( github.com/sagernet/sing-tun v0.6.0-beta.8 github.com/sagernet/sing-vmess v0.2.0-beta.2 github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7 + github.com/sagernet/tailscale v0.0.0-20241203114627-8b68177dbcc1 github.com/sagernet/utls v1.6.7 github.com/sagernet/wireguard-go v0.0.1-beta.5 github.com/sagernet/ws v0.0.0-20231204124109-acfe8907c854 @@ -54,51 +56,86 @@ require ( howett.net/plist v1.0.1 ) -//replace github.com/sagernet/sing => ../sing - require ( + filippo.io/edwards25519 v1.1.0 // indirect github.com/ajg/form v1.5.1 // indirect - github.com/andybalholm/brotli v1.0.6 // indirect + github.com/akutz/memconn v0.1.0 // indirect + github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa // indirect + github.com/andybalholm/brotli v1.1.0 // indirect + github.com/bits-and-blooms/bitset v1.13.0 // indirect github.com/cenkalti/backoff/v4 v4.3.0 // indirect - github.com/davecgh/go-spew v1.1.1 // indirect + github.com/coder/websocket v1.8.12 // indirect + github.com/coreos/go-iptables v0.7.1-0.20240112124308-65c67c9f46e6 // indirect + github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect + github.com/dblohm7/wingoes v0.0.0-20240119213807-a09d6be7affa // indirect github.com/dgrijalva/jwt-go/v4 v4.0.0-preview1 // indirect + github.com/digitalocean/go-smbios v0.0.0-20180907143718-390a4f403a8e // indirect github.com/fsnotify/fsnotify v1.7.0 // indirect + github.com/fxamacker/cbor/v2 v2.6.0 // indirect + github.com/gaissmai/bart v0.11.1 // indirect + github.com/go-json-experiment/json v0.0.0-20231102232822-2e55bd4e08b0 // indirect github.com/go-ole/go-ole v1.3.0 // indirect - github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect + github.com/go-task/slim-sprig/v3 v3.0.0 // indirect github.com/gobwas/httphead v0.1.0 // indirect github.com/gobwas/pool v0.2.1 // indirect + github.com/godbus/dbus/v5 v5.1.1-0.20230522191255-76236955d466 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect github.com/google/btree v1.1.3 // indirect github.com/google/go-cmp v0.6.0 // indirect github.com/google/go-querystring v1.1.0 // indirect - github.com/google/pprof v0.0.0-20231101202521-4ca4178f5c7a // indirect + github.com/google/nftables v0.2.1-0.20240414091927-5e242ec57806 // indirect + github.com/google/pprof v0.0.0-20240424215950-a892ee059fd6 // indirect + github.com/google/uuid v1.6.0 // indirect + github.com/gorilla/csrf v1.7.2 // indirect + github.com/gorilla/securecookie v1.1.2 // indirect github.com/hashicorp/yamux v0.1.2 // indirect + github.com/hdevalence/ed25519consensus v0.2.0 // indirect + github.com/illarion/gonotify/v2 v2.0.3 // indirect github.com/inconshreveable/mousetrap v1.1.0 // indirect - github.com/josharian/native v1.1.0 // indirect - github.com/klauspost/compress v1.17.4 // indirect + github.com/josharian/native v1.1.1-0.20230202152459-5c7d0dd6ab86 // indirect + github.com/jsimonetti/rtnetlink v1.4.0 // indirect + github.com/klauspost/compress v1.17.11 // indirect github.com/klauspost/cpuid/v2 v2.2.5 // indirect + github.com/kortschak/wol v0.0.0-20200729010619-da482cc4850a // indirect github.com/libdns/libdns v0.2.2 // indirect + github.com/mdlayher/genetlink v1.3.2 // indirect github.com/mdlayher/netlink v1.7.2 // indirect - github.com/mdlayher/socket v0.4.1 // indirect - github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect - github.com/onsi/ginkgo/v2 v2.9.7 // indirect - github.com/pierrec/lz4/v4 v4.1.14 // indirect - github.com/pmezard/go-difflib v1.0.0 // indirect + github.com/mdlayher/sdnotify v1.0.0 // indirect + github.com/mdlayher/socket v0.5.0 // indirect + github.com/mitchellh/go-ps v1.0.0 // indirect + github.com/onsi/ginkgo/v2 v2.17.2 // indirect + github.com/pierrec/lz4/v4 v4.1.21 // indirect + github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect + github.com/prometheus-community/pro-bing v0.4.0 // indirect github.com/quic-go/qpack v0.4.0 // indirect github.com/quic-go/qtls-go1-20 v0.4.1 // indirect + github.com/safchain/ethtool v0.3.0 // indirect github.com/sagernet/netlink v0.0.0-20240612041022-b9a21c07ac6a // indirect github.com/sagernet/nftables v0.3.0-beta.4 // indirect github.com/spf13/pflag v1.0.5 // indirect - github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923 // indirect + github.com/tailscale/certstore v0.1.1-0.20231202035212-d3fa0460f47e // indirect + github.com/tailscale/go-winio v0.0.0-20231025203758-c4f33415bf55 // indirect + github.com/tailscale/golang-x-crypto v0.0.0-20240604161659-3fde5e568aa4 // indirect + github.com/tailscale/goupnp v1.0.1-0.20210804011211-c64d0f06ea05 // indirect + github.com/tailscale/hujson v0.0.0-20221223112325-20486734a56a // indirect + github.com/tailscale/netlink v1.1.1-0.20240822203006-4d49adab4de7 // indirect + github.com/tailscale/peercred v0.0.0-20240214030740-b535050b2aa4 // indirect + github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1 // indirect + github.com/tcnksm/go-httpstat v0.2.0 // indirect + github.com/u-root/uio v0.0.0-20240118234441-a3c409a6018e // indirect github.com/vishvananda/netns v0.0.4 // indirect + github.com/x448/float16 v0.8.4 // indirect github.com/zeebo/blake3 v0.2.3 // indirect go.uber.org/multierr v1.11.0 // indirect + go4.org/mem v0.0.0-20220726221520-4f986261bf13 // indirect golang.org/x/sync v0.10.0 // indirect + golang.org/x/term v0.27.0 // indirect golang.org/x/text v0.21.0 // indirect golang.org/x/time v0.7.0 // indirect golang.org/x/tools v0.24.0 // indirect golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect + golang.zx2c4.com/wireguard/windows v0.5.3 // indirect google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de // indirect - gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect gopkg.in/yaml.v3 v3.0.1 // indirect lukechampine.com/blake3 v1.3.0 // indirect ) diff --git a/go.sum b/go.sum index d2032913..c62ac4e3 100644 --- a/go.sum +++ b/go.sum @@ -1,39 +1,69 @@ +filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA= +filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4= github.com/ajg/form v1.5.1 h1:t9c7v8JUKu/XxOGBU0yjNpaMloxGEJhUkqFRq0ibGeU= github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY= -github.com/andybalholm/brotli v1.0.6 h1:Yf9fFpf49Zrxb9NlQaluyE92/+X7UVHlhMNJN2sxfOI= -github.com/andybalholm/brotli v1.0.6/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig= +github.com/akutz/memconn v0.1.0 h1:NawI0TORU4hcOMsMr11g7vwlCdkYeLKXBcxWu2W/P8A= +github.com/akutz/memconn v0.1.0/go.mod h1:Jo8rI7m0NieZyLI5e2CDlRdRqRRB4S7Xp77ukDjH+Fw= +github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa h1:LHTHcTQiSGT7VVbI0o4wBRNQIgn917usHWOd6VAffYI= +github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4= +github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M= +github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY= +github.com/bits-and-blooms/bitset v1.13.0 h1:bAQ9OPNFYbGHV6Nez0tmNI0RiEu7/hxlYJRUA0wFAVE= +github.com/bits-and-blooms/bitset v1.13.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8= github.com/caddyserver/certmagic v0.20.0 h1:bTw7LcEZAh9ucYCRXyCpIrSAGplplI0vGYJ4BpCQ/Fc= github.com/caddyserver/certmagic v0.20.0/go.mod h1:N4sXgpICQUskEWpj7zVzvWD41p3NYacrNoZYiRM2jTg= github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8= github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE= +github.com/cilium/ebpf v0.15.0 h1:7NxJhNiBT3NG8pZJ3c+yfrVdHY8ScgKD27sScgjLMMk= +github.com/cilium/ebpf v0.15.0/go.mod h1:DHp1WyrLeiBh19Cf/tfiSMhqheEiK8fXFZ4No0P1Hso= github.com/cloudflare/circl v1.3.7 h1:qlCDlTPz2n9fu58M0Nh1J/JzcFpfgkFHHX3O35r5vcU= github.com/cloudflare/circl v1.3.7/go.mod h1:sRTcRWXGLrKw6yIGJ+l7amYJFfAXbZG0kBSc8r4zxgA= +github.com/coder/websocket v1.8.12 h1:5bUXkEPPIbewrnkU8LTCLVaxi4N4J8ahufH2vlo4NAo= +github.com/coder/websocket v1.8.12/go.mod h1:LNVeNrXQZfe5qhS9ALED3uA+l5pPqvwXg3CKoDBB2gs= +github.com/coreos/go-iptables v0.7.1-0.20240112124308-65c67c9f46e6 h1:8h5+bWd7R6AYUslN6c6iuZWTKsKxUFDlpnmilO6R2n0= +github.com/coreos/go-iptables v0.7.1-0.20240112124308-65c67c9f46e6/go.mod h1:Qe8Bv2Xik5FyTXwgIbLAnv2sWSBmvWdFETJConOQ//Q= github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= github.com/cretz/bine v0.2.0 h1:8GiDRGlTgz+o8H9DSnsl+5MeBK4HsExxgl6WgzOCuZo= github.com/cretz/bine v0.2.0/go.mod h1:WU4o9QR9wWp8AVKtTM1XD5vUHkEqnf2vVSo6dBqbetI= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= -github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/dblohm7/wingoes v0.0.0-20240119213807-a09d6be7affa h1:h8TfIT1xc8FWbwwpmHn1J5i43Y0uZP97GqasGCzSRJk= +github.com/dblohm7/wingoes v0.0.0-20240119213807-a09d6be7affa/go.mod h1:Nx87SkVqTKd8UtT+xu7sM/l+LgXs6c0aHrlKusR+2EQ= github.com/dgrijalva/jwt-go/v4 v4.0.0-preview1 h1:CaO/zOnF8VvUfEbhRatPcwKVWamvbYd8tQGRWacE9kU= github.com/dgrijalva/jwt-go/v4 v4.0.0-preview1/go.mod h1:+hnT3ywWDTAFrW5aE+u2Sa/wT555ZqwoCS+pk3p6ry4= +github.com/digitalocean/go-smbios v0.0.0-20180907143718-390a4f403a8e h1:vUmf0yezR0y7jJ5pceLHthLaYf4bA5T14B6q39S4q2Q= +github.com/digitalocean/go-smbios v0.0.0-20180907143718-390a4f403a8e/go.mod h1:YTIHhz/QFSYnu/EhlF2SpU2Uk+32abacUYA5ZPljz1A= github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA= github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM= +github.com/fxamacker/cbor/v2 v2.6.0 h1:sU6J2usfADwWlYDAFhZBQ6TnLFBHxgesMrQfQgk1tWA= +github.com/fxamacker/cbor/v2 v2.6.0/go.mod h1:pxXPTn3joSm21Gbwsv0w9OSA2y1HFR9qXEeXQVeNoDQ= +github.com/gaissmai/bart v0.11.1 h1:5Uv5XwsaFBRo4E5VBcb9TzY8B7zxFf+U7isDxqOrRfc= +github.com/gaissmai/bart v0.11.1/go.mod 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h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220817070843-5a390386f1f2/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.4.1-0.20230131160137-e7d7f63158de/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= @@ -195,6 +285,7 @@ golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA= golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= golang.org/x/term v0.27.0 h1:WP60Sv1nlK1T6SupCHbXzSaN0b9wUmsPoRS9b61A23Q= +golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM= golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo= @@ -204,21 +295,23 @@ golang.org/x/time v0.7.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.24.0 h1:J1shsA93PJUEVaUSaay7UXAyE8aimq3GW0pjlolpa24= golang.org/x/tools v0.24.0/go.mod h1:YhNqVBIfWHdzvTLs0d8LCuMhkKUgSUKldakyV7W/WDQ= -golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeunTOisW56dUokqW/FOteYJJ/yg= golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI= golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6 h1:CawjfCvYQH2OU3/TnxLx97WDSUDRABfT18pCOYwc2GE= golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6/go.mod h1:3rxYc4HtVcSG9gVaTs2GEBdehh+sYPOwKtyUWEOTb80= +golang.zx2c4.com/wireguard/windows v0.5.3 h1:On6j2Rpn3OEMXqBq00QEDC7bWSZrPIHKIus8eIuExIE= +golang.zx2c4.com/wireguard/windows v0.5.3/go.mod h1:9TEe8TJmtwyQebdFwAkEWOPr3prrtqm+REGFifP60hI= google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de h1:cZGRis4/ot9uVm639a+rHCUaG0JJHEsdyzSQTMX+suY= google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:H4O17MA/PE9BsGx3w+a+W2VOLLD1Qf7oJneAoU6WktY= google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM= google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA= google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI= google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU= -gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0/go.mod h1:WDnlLJ4WF5VGsH/HVa3CI79GS0ol3YnhVnKP89i0kNg= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= @@ -227,3 +320,5 @@ howett.net/plist v1.0.1 h1:37GdZ8tP09Q35o9ych3ehygcsL+HqKSwzctveSlarvM= howett.net/plist v1.0.1/go.mod h1:lqaXoTrLY4hg8tnEzNru53gicrbv7rrk+2xJA/7hw9g= lukechampine.com/blake3 v1.3.0 h1:sJ3XhFINmHSrYCgl958hscfIa3bw8x4DqMP3u1YvoYE= lukechampine.com/blake3 v1.3.0/go.mod h1:0OFRp7fBtAylGVCO40o87sbupkyIGgbpv1+M1k1LM6k= +software.sslmate.com/src/go-pkcs12 v0.4.0 h1:H2g08FrTvSFKUj+D309j1DPfk5APnIdAQAB8aEykJ5k= +software.sslmate.com/src/go-pkcs12 v0.4.0/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI= diff --git a/include/registry.go b/include/registry.go index 6f6aab2b..c6487967 100644 --- a/include/registry.go +++ b/include/registry.go @@ -91,6 +91,7 @@ func EndpointRegistry() *endpoint.Registry { registry := endpoint.NewRegistry() registerWireGuardEndpoint(registry) + registerTailscaleEndpoint(registry) return registry } @@ -108,6 +109,7 @@ func DNSTransportRegistry() *dns.TransportRegistry { registerQUICTransports(registry) registerDHCPTransport(registry) + registerTailscaleTransport(registry) return registry } diff --git a/include/tailscale.go b/include/tailscale.go new file mode 100644 index 00000000..05eed2cd --- /dev/null +++ b/include/tailscale.go @@ -0,0 +1,17 @@ +//go:build with_tailscale + +package include + +import ( + "github.com/sagernet/sing-box/adapter/endpoint" + "github.com/sagernet/sing-box/dns" + "github.com/sagernet/sing-box/protocol/tailscale" +) + +func registerTailscaleEndpoint(registry *endpoint.Registry) { + tailscale.RegisterEndpoint(registry) +} + +func registerTailscaleTransport(registry *dns.TransportRegistry) { + tailscale.RegistryTransport(registry) +} diff --git a/include/tailscale_stub.go b/include/tailscale_stub.go new file mode 100644 index 00000000..ddf6485e --- /dev/null +++ b/include/tailscale_stub.go @@ -0,0 +1,27 @@ +//go:build !with_tailscale + +package include + +import ( + "context" + + "github.com/sagernet/sing-box/adapter" + "github.com/sagernet/sing-box/adapter/endpoint" + C "github.com/sagernet/sing-box/constant" + "github.com/sagernet/sing-box/dns" + "github.com/sagernet/sing-box/log" + "github.com/sagernet/sing-box/option" + E "github.com/sagernet/sing/common/exceptions" +) + +func registerTailscaleEndpoint(registry *endpoint.Registry) { + endpoint.Register[option.TailscaleEndpointOptions](registry, C.TypeTailscale, func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.TailscaleEndpointOptions) (adapter.Endpoint, error) { + return nil, E.New(`Tailscale is not included in this build, rebuild with -tags with_tailscale`) + }) +} + +func registerTailscaleTransport(registry *dns.TransportRegistry) { + dns.RegisterTransport[option.TailscaleDNSServerOptions](registry, C.DNSTypeTailscale, func(ctx context.Context, logger log.ContextLogger, tag string, options option.TailscaleDNSServerOptions) (adapter.DNSTransport, error) { + return nil, E.New(`Tailscale is not included in this build, rebuild with -tags with_tailscale`) + }) +} diff --git a/option/tailscale.go b/option/tailscale.go new file mode 100644 index 00000000..c383b784 --- /dev/null +++ b/option/tailscale.go @@ -0,0 +1,25 @@ +package option + +import ( + "net/netip" +) + +type TailscaleEndpointOptions struct { + StateDirectory string `json:"state_directory,omitempty"` + AuthKey string `json:"auth_key,omitempty"` + ControlURL string `json:"control_url,omitempty"` + Ephemeral bool `json:"ephemeral,omitempty"` + Hostname string `json:"hostname,omitempty"` + + ExitNode string `json:"exit_node,omitempty"` + ExitNodeAllowLANAccess bool `json:"exit_node_allow_lan_access,omitempty"` + AdvertiseRoutes []netip.Prefix `json:"advertise_routes,omitempty"` + AdvertiseExitNode bool `json:"advertise_exit_node,omitempty"` + + UDPTimeout UDPTimeoutCompat `json:"udp_timeout,omitempty"` +} + +type TailscaleDNSServerOptions struct { + Endpoint string `json:"endpoint,omitempty"` + AcceptDefaultResolvers bool `json:"accept_default_resolvers,omitempty"` +} diff --git a/protocol/tailscale/dns_transport.go b/protocol/tailscale/dns_transport.go new file mode 100644 index 00000000..61e68ab4 --- /dev/null +++ b/protocol/tailscale/dns_transport.go @@ -0,0 +1,316 @@ +package tailscale + +import ( + "context" + "net" + "net/http" + "net/netip" + "net/url" + "os" + "reflect" + "strings" + "sync" + + "github.com/sagernet/sing-box/adapter" + "github.com/sagernet/sing-box/common/dialer" + "github.com/sagernet/sing-box/common/tls" + C "github.com/sagernet/sing-box/constant" + "github.com/sagernet/sing-box/dns" + "github.com/sagernet/sing-box/dns/transport" + "github.com/sagernet/sing-box/log" + "github.com/sagernet/sing-box/option" + "github.com/sagernet/sing/common" + E "github.com/sagernet/sing/common/exceptions" + "github.com/sagernet/sing/common/logger" + M "github.com/sagernet/sing/common/metadata" + N "github.com/sagernet/sing/common/network" + "github.com/sagernet/sing/service" + nDNS "github.com/sagernet/tailscale/net/dns" + "github.com/sagernet/tailscale/types/dnstype" + "github.com/sagernet/tailscale/wgengine/router" + "github.com/sagernet/tailscale/wgengine/wgcfg" + + mDNS "github.com/miekg/dns" + "go4.org/netipx" + "golang.org/x/net/http2" +) + +func RegistryTransport(registry *dns.TransportRegistry) { + dns.RegisterTransport[option.TailscaleDNSServerOptions](registry, C.DNSTypeTailscale, NewDNSTransport) +} + +type DNSTransport struct { + dns.TransportAdapter + ctx context.Context + logger logger.ContextLogger + endpointTag string + acceptDefaultResolvers bool + dnsRouter adapter.DNSRouter + endpointManager adapter.EndpointManager + cfg *wgcfg.Config + dnsCfg *nDNS.Config + endpoint *Endpoint + routePrefixes []netip.Prefix + routes map[string][]adapter.DNSTransport + hosts map[string][]netip.Addr + defaultResolvers []adapter.DNSTransport +} + +func NewDNSTransport(ctx context.Context, logger log.ContextLogger, tag string, options option.TailscaleDNSServerOptions) (adapter.DNSTransport, error) { + if options.Endpoint == "" { + return nil, E.New("missing tailscale endpoint tag") + } + return &DNSTransport{ + TransportAdapter: dns.NewTransportAdapter(C.DNSTypeTailscale, tag, nil), + ctx: ctx, + logger: logger, + endpointTag: options.Endpoint, + acceptDefaultResolvers: options.AcceptDefaultResolvers, + dnsRouter: service.FromContext[adapter.DNSRouter](ctx), + endpointManager: service.FromContext[adapter.EndpointManager](ctx), + }, nil +} + +func (t *DNSTransport) Start(stage adapter.StartStage) error { + if stage != adapter.StartStateInitialize { + return nil + } + rawOutbound, loaded := t.endpointManager.Get(t.endpointTag) + if !loaded { + return E.New("endpoint not found: ", t.endpointTag) + } + ep, isTailscale := rawOutbound.(*Endpoint) + if !isTailscale { + return E.New("endpoint is not tailscale: ", t.endpointTag) + } + if ep.onReconfig != nil { + return E.New("only one tailscale DNS server is allowed for single endpoint") + } + ep.onReconfig = t.onReconfig + t.endpoint = ep + return nil +} + +func (t *DNSTransport) Reset() { +} + +func (t *DNSTransport) onReconfig(cfg *wgcfg.Config, routerCfg *router.Config, dnsCfg *nDNS.Config) { + if cfg == nil || dnsCfg == nil { + return + } + if (t.cfg != nil && reflect.DeepEqual(t.cfg, cfg)) && (t.dnsCfg != nil && reflect.DeepEqual(t.dnsCfg, dnsCfg)) { + return + } + t.cfg = cfg + t.dnsCfg = dnsCfg + err := t.updateDNSServers(routerCfg, dnsCfg) + if err != nil { + t.logger.Error(E.Cause(err, "update DNS servers")) + } +} + +func (t *DNSTransport) updateDNSServers(routeConfig *router.Config, dnsConfig *nDNS.Config) error { + t.routePrefixes = buildRoutePrefixes(routeConfig) + directDialerOnce := sync.OnceValue(func() N.Dialer { + directDialer := common.Must1(dialer.NewDefault(t.ctx, option.DialerOptions{})) + return &DNSDialer{transport: t, fallbackDialer: directDialer} + }) + routes := make(map[string][]adapter.DNSTransport) + for domain, resolvers := range dnsConfig.Routes { + var myResolvers []adapter.DNSTransport + for _, resolver := range resolvers { + myResolver, err := t.createResolver(directDialerOnce, resolver) + if err != nil { + return err + } + myResolvers = append(myResolvers, myResolver) + } + routes[domain.WithTrailingDot()] = myResolvers + } + hosts := make(map[string][]netip.Addr) + for domain, addresses := range dnsConfig.Hosts { + hosts[domain.WithTrailingDot()] = addresses + } + var defaultResolvers []adapter.DNSTransport + for _, resolver := range dnsConfig.DefaultResolvers { + myResolver, err := t.createResolver(directDialerOnce, resolver) + if err != nil { + return err + } + defaultResolvers = append(defaultResolvers, myResolver) + } + t.routes = routes + t.hosts = hosts + t.defaultResolvers = defaultResolvers + if len(defaultResolvers) > 0 { + t.logger.Info("updated ", len(routes), " routes, ", len(hosts), " hosts, default resolvers: ", + strings.Join(common.Map(dnsConfig.DefaultResolvers, func(it *dnstype.Resolver) string { return it.Addr }), " ")) + } else { + t.logger.Info("updated ", len(routes), " routes, ", len(hosts), " hosts") + } + return nil +} + +func (t *DNSTransport) createResolver(directDialer func() N.Dialer, resolver *dnstype.Resolver) (adapter.DNSTransport, error) { + serverURL, parseURLErr := url.Parse(resolver.Addr) + var myDialer N.Dialer + if parseURLErr == nil && serverURL.Scheme == "http" { + myDialer = t.endpoint + } else { + myDialer = directDialer() + } + if len(resolver.BootstrapResolution) > 0 { + bootstrapTransport := transport.NewUDPRaw(t.logger, t.TransportAdapter, myDialer, M.SocksaddrFrom(resolver.BootstrapResolution[0], 53)) + myDialer = dns.NewTransportDialer(myDialer, t.dnsRouter, bootstrapTransport, C.DomainStrategyPreferIPv4, 0) + } + if serverAddr := M.ParseSocksaddr(resolver.Addr); serverAddr.IsValid() { + if serverAddr.Port == 0 { + serverAddr.Port = 53 + } + return transport.NewUDPRaw(t.logger, t.TransportAdapter, myDialer, serverAddr), nil + } else if parseURLErr != nil { + return nil, E.Cause(parseURLErr, "parse resolver address") + } else { + switch serverURL.Scheme { + case "https": + serverAddr = M.ParseSocksaddrHostPortStr(serverURL.Hostname(), serverURL.Port()) + if serverAddr.Port == 0 { + serverAddr.Port = 443 + } + tlsConfig := common.Must1(tls.NewClient(t.ctx, serverAddr.AddrString(), option.OutboundTLSOptions{ + ALPN: []string{http2.NextProtoTLS, "http/1.1"}, + })) + return transport.NewHTTPSRaw(t.TransportAdapter, t.logger, myDialer, serverURL, http.Header{}, serverAddr, tlsConfig), nil + case "http": + serverAddr = M.ParseSocksaddrHostPortStr(serverURL.Hostname(), serverURL.Port()) + if serverAddr.Port == 0 { + serverAddr.Port = 80 + } + return transport.NewHTTPSRaw(t.TransportAdapter, t.logger, myDialer, serverURL, http.Header{}, serverAddr, nil), nil + // case "tls": + default: + return nil, E.New("unknown resolver scheme: ", serverURL.Scheme) + } + } +} + +func buildRoutePrefixes(routeConfig *router.Config) []netip.Prefix { + var builder netipx.IPSetBuilder + for _, localAddr := range routeConfig.LocalAddrs { + builder.AddPrefix(localAddr) + } + for _, route := range routeConfig.Routes { + builder.AddPrefix(route) + } + for _, route := range routeConfig.LocalRoutes { + builder.AddPrefix(route) + } + for _, route := range routeConfig.SubnetRoutes { + builder.AddPrefix(route) + } + ipSet, err := builder.IPSet() + if err != nil { + return nil + } + return ipSet.Prefixes() +} + +func (t *DNSTransport) Close() error { + return nil +} + +func (t *DNSTransport) Raw() bool { + return true +} + +func (t *DNSTransport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, error) { + if len(message.Question) != 1 { + return nil, os.ErrInvalid + } + question := message.Question[0] + addresses, hostsLoaded := t.hosts[question.Name] + if hostsLoaded { + switch question.Qtype { + case mDNS.TypeA: + addresses4 := common.Filter(addresses, func(addr netip.Addr) bool { + return addr.Is4() + }) + if len(addresses4) > 0 { + return dns.FixedResponse(message.Id, question, addresses4, C.DefaultDNSTTL), nil + } + case mDNS.TypeAAAA: + addresses6 := common.Filter(addresses, func(addr netip.Addr) bool { + return addr.Is6() + }) + if len(addresses6) > 0 { + return dns.FixedResponse(message.Id, question, addresses6, C.DefaultDNSTTL), nil + } + } + } + for domainSuffix, transports := range t.routes { + if strings.HasSuffix(question.Name, domainSuffix) { + if len(transports) == 0 { + return &mDNS.Msg{ + MsgHdr: mDNS.MsgHdr{ + Id: message.Id, + Rcode: mDNS.RcodeNameError, + Response: true, + }, + Question: []mDNS.Question{question}, + }, nil + } + var lastErr error + for _, dnsTransport := range transports { + response, err := dnsTransport.Exchange(ctx, message) + if err != nil { + lastErr = err + continue + } + return response, nil + } + return nil, lastErr + } + } + if t.acceptDefaultResolvers && len(t.defaultResolvers) > 0 { + var lastErr error + for _, resolver := range t.defaultResolvers { + response, err := resolver.Exchange(ctx, message) + if err != nil { + lastErr = err + continue + } + return response, nil + } + return nil, lastErr + } + return nil, dns.RCodeNameError +} + +type DNSDialer struct { + transport *DNSTransport + fallbackDialer N.Dialer +} + +func (d *DNSDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) { + if destination.IsFqdn() { + panic("invalid request here") + } + for _, prefix := range d.transport.routePrefixes { + if prefix.Contains(destination.Addr) { + return d.transport.endpoint.DialContext(ctx, network, destination) + } + } + return d.fallbackDialer.DialContext(ctx, network, destination) +} + +func (d *DNSDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) { + if destination.IsFqdn() { + panic("invalid request here") + } + for _, prefix := range d.transport.routePrefixes { + if prefix.Contains(destination.Addr) { + return d.transport.endpoint.ListenPacket(ctx, destination) + } + } + return d.fallbackDialer.ListenPacket(ctx, destination) +} diff --git a/protocol/tailscale/endpoint.go b/protocol/tailscale/endpoint.go new file mode 100644 index 00000000..bf401cfe --- /dev/null +++ b/protocol/tailscale/endpoint.go @@ -0,0 +1,425 @@ +package tailscale + +import ( + "context" + "fmt" + "net" + "net/netip" + "os" + "path/filepath" + "runtime" + "strings" + "sync/atomic" + "syscall" + "time" + + "github.com/sagernet/gvisor/pkg/tcpip" + "github.com/sagernet/gvisor/pkg/tcpip/adapters/gonet" + "github.com/sagernet/gvisor/pkg/tcpip/header" + "github.com/sagernet/gvisor/pkg/tcpip/stack" + "github.com/sagernet/gvisor/pkg/tcpip/transport/tcp" + "github.com/sagernet/gvisor/pkg/tcpip/transport/udp" + "github.com/sagernet/sing-box/adapter" + "github.com/sagernet/sing-box/adapter/endpoint" + C "github.com/sagernet/sing-box/constant" + "github.com/sagernet/sing-box/experimental/libbox/platform" + "github.com/sagernet/sing-box/log" + "github.com/sagernet/sing-box/option" + "github.com/sagernet/sing-tun" + "github.com/sagernet/sing/common" + "github.com/sagernet/sing/common/bufio" + "github.com/sagernet/sing/common/control" + E "github.com/sagernet/sing/common/exceptions" + F "github.com/sagernet/sing/common/format" + "github.com/sagernet/sing/common/logger" + M "github.com/sagernet/sing/common/metadata" + N "github.com/sagernet/sing/common/network" + "github.com/sagernet/sing/service" + "github.com/sagernet/sing/service/filemanager" + "github.com/sagernet/tailscale/ipn" + "github.com/sagernet/tailscale/net/netmon" + "github.com/sagernet/tailscale/net/tsaddr" + "github.com/sagernet/tailscale/tsnet" + "github.com/sagernet/tailscale/types/ipproto" + "github.com/sagernet/tailscale/version" + "github.com/sagernet/tailscale/wgengine" + "github.com/sagernet/tailscale/wgengine/filter" +) + +func init() { + version.SetVersion("sing-box " + C.Version) +} + +func RegisterEndpoint(registry *endpoint.Registry) { + endpoint.Register[option.TailscaleEndpointOptions](registry, C.TypeTailscale, NewEndpoint) +} + +type Endpoint struct { + endpoint.Adapter + ctx context.Context + router adapter.Router + logger logger.ContextLogger + dnsRouter adapter.DNSRouter + network adapter.NetworkManager + platformInterface platform.Interface + server *tsnet.Server + stack *stack.Stack + filter *atomic.Pointer[filter.Filter] + onReconfig wgengine.ReconfigListener + + exitNode string + exitNodeAllowLANAccess bool + advertiseRoutes []netip.Prefix + advertiseExitNode bool + + udpTimeout time.Duration +} + +func NewEndpoint(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.TailscaleEndpointOptions) (adapter.Endpoint, error) { + stateDirectory := options.StateDirectory + if stateDirectory == "" { + stateDirectory = "tailscale" + } + hostname := options.Hostname + if hostname == "" { + osHostname, _ := os.Hostname() + osHostname = strings.TrimSpace(osHostname) + hostname = osHostname + } + if hostname == "" { + hostname = "sing-box" + } + stateDirectory = filemanager.BasePath(ctx, os.ExpandEnv(stateDirectory)) + stateDirectory, _ = filepath.Abs(stateDirectory) + server := &tsnet.Server{ + Dir: stateDirectory, + Hostname: hostname, + Logf: func(format string, args ...any) { + logger.Trace(fmt.Sprintf(format, args...)) + }, + UserLogf: func(format string, args ...any) { + logger.Debug(fmt.Sprintf(format, args...)) + }, + Ephemeral: options.Ephemeral, + AuthKey: options.AuthKey, + ControlURL: options.ControlURL, + } + for _, advertiseRoute := range options.AdvertiseRoutes { + if advertiseRoute.Addr().IsUnspecified() && advertiseRoute.Bits() == 0 { + return nil, E.New("`advertise_routes` cannot be default, use `advertise_exit_node` instead.") + } + } + if options.AdvertiseExitNode && options.ExitNode != "" { + return nil, E.New("cannot advertise an exit node and use an exit node at the same time.") + } + var udpTimeout time.Duration + if options.UDPTimeout != 0 { + udpTimeout = time.Duration(options.UDPTimeout) + } else { + udpTimeout = C.UDPTimeout + } + return &Endpoint{ + Adapter: endpoint.NewAdapter(C.TypeTailscale, tag, []string{N.NetworkTCP, N.NetworkUDP}, nil), + ctx: ctx, + router: router, + logger: logger, + dnsRouter: service.FromContext[adapter.DNSRouter](ctx), + network: service.FromContext[adapter.NetworkManager](ctx), + platformInterface: service.FromContext[platform.Interface](ctx), + server: server, + exitNode: options.ExitNode, + exitNodeAllowLANAccess: options.ExitNodeAllowLANAccess, + advertiseRoutes: options.AdvertiseRoutes, + advertiseExitNode: options.AdvertiseExitNode, + udpTimeout: udpTimeout, + }, nil +} + +func (t *Endpoint) Start(stage adapter.StartStage) error { + if stage != adapter.StartStateStart { + return nil + } + if t.platformInterface != nil { + err := t.network.UpdateInterfaces() + if err != nil { + return err + } + netmon.RegisterInterfaceGetter(func() ([]netmon.Interface, error) { + return common.Map(t.network.InterfaceFinder().Interfaces(), func(it control.Interface) netmon.Interface { + return netmon.Interface{ + Interface: &net.Interface{ + Index: it.Index, + MTU: it.MTU, + Name: it.Name, + HardwareAddr: it.HardwareAddr, + Flags: it.Flags, + }, + AltAddrs: common.Map(it.Addresses, func(it netip.Prefix) net.Addr { + return &net.IPNet{ + IP: it.Addr().AsSlice(), + Mask: net.CIDRMask(it.Bits(), it.Addr().BitLen()), + } + }), + } + }), nil + }) + if runtime.GOOS == "android" { + setAndroidProtectFunc(t.platformInterface) + } + } + err := t.server.Start() + if err != nil { + return err + } + if t.onReconfig != nil { + t.server.ExportLocalBackend().ExportEngine().(wgengine.ExportedUserspaceEngine).SetOnReconfigListener(t.onReconfig) + } + + ipStack := t.server.ExportNetstack().ExportIPStack() + ipStack.SetTransportProtocolHandler(tcp.ProtocolNumber, tun.NewTCPForwarder(t.ctx, ipStack, t).HandlePacket) + udpForwarder := tun.NewUDPForwarder(t.ctx, ipStack, t, t.udpTimeout) + ipStack.SetTransportProtocolHandler(udp.ProtocolNumber, udpForwarder.HandlePacket) + t.stack = ipStack + + localBackend := t.server.ExportLocalBackend() + perfs := &ipn.MaskedPrefs{ + ExitNodeIPSet: true, + AdvertiseRoutesSet: true, + } + if len(t.advertiseRoutes) > 0 { + perfs.AdvertiseRoutes = t.advertiseRoutes + } + if t.advertiseExitNode { + perfs.AdvertiseRoutes = append(perfs.AdvertiseRoutes, tsaddr.ExitRoutes()...) + } + _, err = localBackend.EditPrefs(perfs) + if err != nil { + return E.Cause(err, "update prefs") + } + t.filter = localBackend.ExportFilter() + + go t.watchState() + return nil +} + +func (t *Endpoint) watchState() { + localBackend := t.server.ExportLocalBackend() + localBackend.WatchNotifications(t.ctx, ipn.NotifyInitialState, nil, func(roNotify *ipn.Notify) (keepGoing bool) { + if roNotify.State != nil && *roNotify.State != ipn.NeedsLogin && *roNotify.State != ipn.NoState { + return false + } + authURL := localBackend.StatusWithoutPeers().AuthURL + if authURL != "" { + t.logger.Info("Waiting for authentication: ", authURL) + if t.platformInterface != nil { + err := t.platformInterface.SendNotification(&platform.Notification{ + Identifier: "tailscale-authentication", + TypeName: "Tailscale Authentication Notifications", + TypeID: 10, + Title: "Tailscale Authentication", + Body: F.ToString("Tailscale outbound[", t.Tag(), "] is waiting for authentication."), + OpenURL: authURL, + }) + if err != nil { + t.logger.Error("send authentication notification: ", err) + } + } + return false + } + return true + }) + if t.exitNode != "" { + localBackend.WatchNotifications(t.ctx, ipn.NotifyInitialState, nil, func(roNotify *ipn.Notify) (keepGoing bool) { + if roNotify.State == nil || *roNotify.State != ipn.Running { + return true + } + status, err := common.Must1(t.server.LocalClient()).Status(t.ctx) + if err != nil { + t.logger.Error("set exit node: ", err) + return + } + perfs := &ipn.MaskedPrefs{ + Prefs: ipn.Prefs{ + ExitNodeAllowLANAccess: t.exitNodeAllowLANAccess, + }, + ExitNodeIPSet: true, + ExitNodeAllowLANAccessSet: true, + } + err = perfs.SetExitNodeIP(t.exitNode, status) + if err != nil { + t.logger.Error("set exit node: ", err) + return true + } + _, err = localBackend.EditPrefs(perfs) + if err != nil { + t.logger.Error("set exit node: ", err) + return true + } + return false + }) + } +} + +func (t *Endpoint) Close() error { + netmon.RegisterInterfaceGetter(nil) + if runtime.GOOS == "android" { + setAndroidProtectFunc(nil) + } + return common.Close(common.PtrOrNil(t.server)) +} + +func (t *Endpoint) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) { + switch network { + case N.NetworkTCP: + t.logger.InfoContext(ctx, "outbound connection to ", destination) + case N.NetworkUDP: + t.logger.InfoContext(ctx, "outbound packet connection to ", destination) + } + if destination.IsFqdn() { + destinationAddresses, err := t.dnsRouter.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{}) + if err != nil { + return nil, err + } + return N.DialSerial(ctx, t, network, destination, destinationAddresses) + } + addr := tcpip.FullAddress{ + NIC: 1, + Port: destination.Port, + Addr: addressFromAddr(destination.Addr), + } + var networkProtocol tcpip.NetworkProtocolNumber + if destination.IsIPv4() { + networkProtocol = header.IPv4ProtocolNumber + } else { + networkProtocol = header.IPv6ProtocolNumber + } + switch N.NetworkName(network) { + case N.NetworkTCP: + tcpConn, err := gonet.DialContextTCP(ctx, t.stack, addr, networkProtocol) + if err != nil { + return nil, err + } + return tcpConn, nil + case N.NetworkUDP: + udpConn, err := gonet.DialUDP(t.stack, nil, &addr, networkProtocol) + if err != nil { + return nil, err + } + return udpConn, nil + default: + return nil, E.Extend(N.ErrUnknownNetwork, network) + } +} + +func (t *Endpoint) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) { + t.logger.InfoContext(ctx, "outbound packet connection to ", destination) + if destination.IsFqdn() { + destinationAddresses, err := t.dnsRouter.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{}) + if err != nil { + return nil, err + } + packetConn, _, err := N.ListenSerial(ctx, t, destination, destinationAddresses) + if err != nil { + return nil, err + } + return packetConn, err + } + addr4, addr6 := t.server.TailscaleIPs() + bind := tcpip.FullAddress{ + NIC: 1, + } + var networkProtocol tcpip.NetworkProtocolNumber + if destination.IsIPv4() { + if !addr4.IsValid() { + return nil, E.New("missing Tailscale IPv4 address") + } + networkProtocol = header.IPv4ProtocolNumber + bind.Addr = addressFromAddr(addr4) + } else { + if !addr6.IsValid() { + return nil, E.New("missing Tailscale IPv6 address") + } + networkProtocol = header.IPv6ProtocolNumber + bind.Addr = addressFromAddr(addr6) + } + udpConn, err := gonet.DialUDP(t.stack, &bind, nil, networkProtocol) + if err != nil { + return nil, err + } + return udpConn, nil +} + +func (t *Endpoint) PrepareConnection(network string, source M.Socksaddr, destination M.Socksaddr) error { + tsFilter := t.filter.Load() + if tsFilter != nil { + var ipProto ipproto.Proto + switch N.NetworkName(network) { + case N.NetworkTCP: + ipProto = ipproto.TCP + case N.NetworkUDP: + ipProto = ipproto.UDP + } + response := tsFilter.Check(source.Addr, destination.Addr, destination.Port, ipProto) + switch response { + case filter.Drop: + return syscall.ECONNRESET + case filter.DropSilently: + return tun.ErrDrop + } + } + return t.router.PreMatch(adapter.InboundContext{ + Inbound: t.Tag(), + InboundType: t.Type(), + Network: network, + Source: source, + Destination: destination, + }) +} + +func (t *Endpoint) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) { + var metadata adapter.InboundContext + metadata.Inbound = t.Tag() + metadata.InboundType = t.Type() + metadata.Source = source + addr4, addr6 := t.server.TailscaleIPs() + switch destination.Addr { + case addr4: + destination.Addr = netip.AddrFrom4([4]uint8{127, 0, 0, 1}) + case addr6: + destination.Addr = netip.IPv6Loopback() + } + metadata.Destination = destination + t.logger.InfoContext(ctx, "inbound connection from ", source) + t.logger.InfoContext(ctx, "inbound connection to ", metadata.Destination) + t.router.RouteConnectionEx(ctx, conn, metadata, onClose) +} + +func (t *Endpoint) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) { + var metadata adapter.InboundContext + metadata.Inbound = t.Tag() + metadata.InboundType = t.Type() + metadata.Source = source + metadata.Destination = destination + addr4, addr6 := t.server.TailscaleIPs() + switch destination.Addr { + case addr4: + metadata.OriginDestination = destination + destination.Addr = netip.AddrFrom4([4]uint8{127, 0, 0, 1}) + conn = bufio.NewNATPacketConn(bufio.NewNetPacketConn(conn), metadata.OriginDestination, metadata.Destination) + case addr6: + metadata.OriginDestination = destination + destination.Addr = netip.IPv6Loopback() + conn = bufio.NewNATPacketConn(bufio.NewNetPacketConn(conn), metadata.OriginDestination, metadata.Destination) + } + t.logger.InfoContext(ctx, "inbound packet connection from ", source) + t.logger.InfoContext(ctx, "inbound packet connection to ", destination) + t.router.RoutePacketConnectionEx(ctx, conn, metadata, onClose) +} + +func addressFromAddr(destination netip.Addr) tcpip.Address { + if destination.Is6() { + return tcpip.AddrFrom16(destination.As16()) + } else { + return tcpip.AddrFrom4(destination.As4()) + } +} diff --git a/protocol/tailscale/protect_android.go b/protocol/tailscale/protect_android.go new file mode 100644 index 00000000..90ab615a --- /dev/null +++ b/protocol/tailscale/protect_android.go @@ -0,0 +1,16 @@ +package tailscale + +import ( + "github.com/sagernet/sing-box/experimental/libbox/platform" + "github.com/sagernet/tailscale/net/netns" +) + +func setAndroidProtectFunc(platformInterface platform.Interface) { + if platformInterface != nil { + netns.SetAndroidProtectFunc(func(fd int) error { + return platformInterface.AutoDetectInterfaceControl(fd) + }) + } else { + netns.SetAndroidProtectFunc(nil) + } +} diff --git a/protocol/tailscale/protect_nonandroid.go b/protocol/tailscale/protect_nonandroid.go new file mode 100644 index 00000000..eeb56bf6 --- /dev/null +++ b/protocol/tailscale/protect_nonandroid.go @@ -0,0 +1,8 @@ +//go:build !android + +package tailscale + +import "github.com/sagernet/sing-box/experimental/libbox/platform" + +func setAndroidProtectFunc(platformInterface platform.Interface) { +}