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Merge pull request MetaCubeX#76 from nekohasekai/Alpha
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feat: add support for shadowsocks 2022 ciphers
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Skyxim authored Jun 6, 2022
2 parents e995003 + 1acc675 commit d31adaf
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Showing 5 changed files with 35 additions and 18 deletions.
28 changes: 16 additions & 12 deletions adapter/outbound/shadowsocks.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,18 +7,27 @@ import (
"net"
"strconv"

"github.com/Dreamacro/clash/common/pool"
"github.com/Dreamacro/clash/common/structure"
"github.com/Dreamacro/clash/component/dialer"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/transport/shadowsocks/core"
obfs "github.com/Dreamacro/clash/transport/simple-obfs"
"github.com/Dreamacro/clash/transport/socks5"
v2rayObfs "github.com/Dreamacro/clash/transport/v2ray-plugin"
"github.com/sagernet/sing-shadowsocks"
"github.com/sagernet/sing-shadowsocks/shadowimpl"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
)

func init() {
buf.DefaultAllocator = pool.DefaultAllocator
}

type ShadowSocks struct {
*Base
cipher core.Cipher
method shadowsocks.Method

// obfs
obfsMode string
Expand Down Expand Up @@ -68,9 +77,7 @@ func (ss *ShadowSocks) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, e
return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
}
}
c = ss.cipher.StreamConn(c)
_, err := c.Write(serializesSocksAddr(metadata))
return c, err
return ss.method.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
}

// DialContext implements C.ProxyAdapter
Expand Down Expand Up @@ -99,16 +106,13 @@ func (ss *ShadowSocks) ListenPacketContext(ctx context.Context, metadata *C.Meta
pc.Close()
return nil, err
}

pc = ss.cipher.PacketConn(pc)
return newPacketConn(&ssPacketConn{PacketConn: pc, rAddr: addr}, ss), nil
pc = ss.method.DialPacketConn(&bufio.BindPacketConn{PacketConn: pc, Addr: addr})
return newPacketConn(pc, ss), nil
}

func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
cipher := option.Cipher
password := option.Password
ciph, err := core.PickCipher(cipher, nil, password)
method, err := shadowimpl.FetchMethod(option.Cipher, option.Password)
if err != nil {
return nil, fmt.Errorf("ss %s initialize error: %w", addr, err)
}
Expand Down Expand Up @@ -161,7 +165,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
iface: option.Interface,
rmark: option.RoutingMark,
},
cipher: ciph,
method: method,

obfsMode: obfsMode,
v2rayOption: v2rayOption,
Expand Down
2 changes: 1 addition & 1 deletion common/pool/alloc.go
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ import (
"sync"
)

var defaultAllocator = NewAllocator()
var DefaultAllocator = NewAllocator()

// Allocator for incoming frames, optimized to prevent overwriting after zeroing
type Allocator struct {
Expand Down
4 changes: 2 additions & 2 deletions common/pool/pool.go
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,9 @@ const (
)

func Get(size int) []byte {
return defaultAllocator.Get(size)
return DefaultAllocator.Get(size)
}

func Put(buf []byte) error {
return defaultAllocator.Put(buf)
return DefaultAllocator.Put(buf)
}
6 changes: 5 additions & 1 deletion go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,8 @@ require (
github.com/lucas-clemente/quic-go v0.27.0
github.com/miekg/dns v1.1.49
github.com/oschwald/geoip2-golang v1.7.0
github.com/sagernet/sing v0.0.0-20220606113732-5efacc1c7db5
github.com/sagernet/sing-shadowsocks v0.0.0-20220606072955-efe895ec59b5
github.com/sirupsen/logrus v1.8.1
github.com/stretchr/testify v1.7.1
github.com/vishvananda/netlink v1.2.0-beta.0.20220404152918-5e915e014938
Expand All @@ -30,6 +32,7 @@ require (
golang.zx2c4.com/wireguard/windows v0.5.4-0.20220328111914-004c22c5647e
google.golang.org/protobuf v1.28.0
gopkg.in/yaml.v2 v2.4.0
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
gvisor.dev/gvisor v0.0.0-20220527053002-8ab279227ac8
)

Expand All @@ -39,6 +42,7 @@ require (
github.com/fsnotify/fsnotify v1.5.4 // indirect
github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
github.com/google/btree v1.0.1 // indirect
github.com/klauspost/cpuid/v2 v2.0.12 // indirect
github.com/kr/pretty v0.2.1 // indirect
github.com/marten-seemann/qtls-go1-16 v0.1.5 // indirect
github.com/marten-seemann/qtls-go1-17 v0.1.1 // indirect
Expand All @@ -55,7 +59,7 @@ require (
golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f // indirect
golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224 // indirect
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
lukechampine.com/blake3 v1.1.7 // indirect
)

replace github.com/vishvananda/netlink v1.2.0-beta.0.20220404152918-5e915e014938 => github.com/MetaCubeX/netlink v1.2.0-beta.0.20220529072258-d6853f887820
13 changes: 11 additions & 2 deletions go.sum
View file
Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,9 @@ github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCV
github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
github.com/klauspost/cpuid/v2 v2.0.12 h1:p9dKCg8i4gmOxtv35DvrYoWqYzQrvEVdjQ762Y0OqZE=
github.com/klauspost/cpuid/v2 v2.0.12/go.mod h1:g2LTdtYhdyuGPqyWyv7qRAmj1WBqxuObKfj5c0PQa7c=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
Expand Down Expand Up @@ -158,6 +161,10 @@ github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:
github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/sagernet/sing v0.0.0-20220606113732-5efacc1c7db5 h1:jE4puDTAniQRtt/TmmHVIdgqo3RDoi+ztPa2oQXpG28=
github.com/sagernet/sing v0.0.0-20220606113732-5efacc1c7db5/go.mod h1:w2HnJzXKHpD6F5Z/9XlSD4qbcpHY2RSZuQnFzqgELMg=
github.com/sagernet/sing-shadowsocks v0.0.0-20220606072955-efe895ec59b5 h1:yA6MV01pgWaLaFk9sdb1M8HSPasRj55NcYsAQVuNq0A=
github.com/sagernet/sing-shadowsocks v0.0.0-20220606072955-efe895ec59b5/go.mod h1:4Wb0SmPgT8ZBQeY2kf4LFI6jl4T9mHJ2uDPdxG5ky38=
github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
github.com/shurcooL/component v0.0.0-20170202220835-f88ec8f54cc4/go.mod h1:XhFIlyj5a1fBNx5aJTbKoIq0mNaPvOagO+HjB3EtxrY=
github.com/shurcooL/events v0.0.0-20181021180414-410e4ca65f48/go.mod h1:5u70Mqkb5O5cxEA8nxTsgrgLehJeAw6Oc4Ab1c/P1HM=
Expand Down Expand Up @@ -388,13 +395,15 @@ gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
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=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o=
gvisor.dev/gvisor v0.0.0-20220527053002-8ab279227ac8 h1:K6RgHqNR+9t3sKVsfRFsvXryRL5kL6wtBPU5aPt1jLY=
gvisor.dev/gvisor v0.0.0-20220527053002-8ab279227ac8/go.mod h1:TIvkJD0sxe8pIob3p6T8IzxXunlp6yfgktvTNp+DGNM=
honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
lukechampine.com/blake3 v1.1.7 h1:GgRMhmdsuK8+ii6UZFDL8Nb+VyMwadAgcJyfYHxG6n0=
lukechampine.com/blake3 v1.1.7/go.mod h1:tkKEOtDkNtklkXtLNEOGNq5tcV90tJiA1vAA12R78LA=
sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=

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