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Update UoT protocol

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pull/1805/head
世界 2 years ago
parent f1e35ad9d4
commit f57ec13880
No known key found for this signature in database
GPG Key ID: CD109927C34A63C4
7 changed files with 66 additions and 38 deletions
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12
app/proxyman/outbound/uot.go
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@ -11,13 +11,21 @@ import (
)
func (h *Handler) getUoTConnection(ctx context.Context, dest net.Destination) (stat.Connection, error) {
if !dest.Address.Family().IsDomain() || dest.Address.Domain() != uot.UOTMagicAddress {
if !dest.Address.Family().IsDomain() {
return nil, os.ErrInvalid
}
var uotVersion int
if dest.Address.Domain() == uot.MagicAddress {
uotVersion = uot.Version
} else if dest.Address.Domain() == uot.LegacyMagicAddress {
uotVersion = uot.LegacyVersion
} else {
return nil, os.ErrInvalid
}
packetConn, err := internet.ListenSystemPacket(ctx, &net.UDPAddr{IP: net.AnyIP.IP(), Port: 0}, h.streamSettings.SocketSettings)
if err != nil {
return nil, newError("unable to listen socket").Base(err)
}
conn := uot.NewServerConn(packetConn)
conn := uot.NewServerConn(packetConn, uotVersion)
return h.getStatCouterConnection(conn), nil
}

2
go.mod
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@ -13,7 +13,7 @@ require (
github.com/pires/go-proxyproto v0.6.2
github.com/quic-go/quic-go v0.33.0
github.com/refraction-networking/utls v1.2.3-0.20230308205431-4f1df6c200db
github.com/sagernet/sing v0.1.8
github.com/sagernet/sing v0.2.0
github.com/sagernet/sing-shadowsocks v0.1.1
github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c
github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb

6
go.sum
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@ -141,8 +141,10 @@ github.com/refraction-networking/utls v1.2.3-0.20230308205431-4f1df6c200db/go.mo
github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr8meMVVGxhp+QBTqY91tM8HjEuMjGg=
github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3/go.mod h1:HgjTstvQsPGkxUsCd2KWxErBblirPizecHcpD3ffK+s=
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/sagernet/sing v0.1.8 h1:6DKo2FkSHn0nUcjO7bAext/ai7y7pCusK/+fScBJ5Jk=
github.com/sagernet/sing v0.1.8/go.mod h1:jt1w2u7lJQFFSGLiRrRIs5YWmx4kAPfWuOejuDW9qMk=
github.com/sagernet/sing v0.1.9-0.20230315063014-2731df16725b h1:1iKGftQ59+shDSx2RaLaxXJcMK/B+IU9WqUPwyBW+E0=
github.com/sagernet/sing v0.1.9-0.20230315063014-2731df16725b/go.mod h1:9uHswk2hITw8leDbiLS/xn0t9nzBcbePxzm9PJhwdlw=
github.com/sagernet/sing v0.2.0 h1:iyc4TaeXG5XYXixl48zSDDTw46C9NOEAVFq6ZE0dA2k=
github.com/sagernet/sing v0.2.0/go.mod h1:9uHswk2hITw8leDbiLS/xn0t9nzBcbePxzm9PJhwdlw=
github.com/sagernet/sing-shadowsocks v0.1.1 h1:uFK2rlVeD/b1xhDwSMbUI2goWc6fOKxp+ZeKHZq6C9Q=
github.com/sagernet/sing-shadowsocks v0.1.1/go.mod h1:f3mHTy5shnVM9l8UocMlJgC/1G/zdj5FuEuVXhDinGU=
github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c h1:vK2wyt9aWYHHvNLWniwijBu/n4pySypiKRhN32u/JGo=

2
infra/conf/shadowsocks.go
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@ -163,6 +163,7 @@ type ShadowsocksServerTarget struct {
Level byte `json:"level"`
IVCheck bool `json:"ivCheck"`
UoT bool `json:"uot"`
UoTVersion int `json:"uotVersion"`
}
type ShadowsocksClientConfig struct {
@ -193,6 +194,7 @@ func (v *ShadowsocksClientConfig) Build() (proto.Message, error) {
config.Method = server.Cipher
config.Key = server.Password
config.UdpOverTcp = server.UoT
config.UdpOverTcpVersion = uint32(server.UoTVersion)
return config, nil
}
}

31
proxy/shadowsocks_2022/config.pb.go
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@ -394,6 +394,7 @@ type ClientConfig struct {
Method string `protobuf:"bytes,3,opt,name=method,proto3" json:"method,omitempty"`
Key string `protobuf:"bytes,4,opt,name=key,proto3" json:"key,omitempty"`
UdpOverTcp bool `protobuf:"varint,5,opt,name=udp_over_tcp,json=udpOverTcp,proto3" json:"udp_over_tcp,omitempty"`
UdpOverTcpVersion uint32 `protobuf:"varint,6,opt,name=udp_over_tcp_version,json=udpOverTcpVersion,proto3" json:"udp_over_tcp_version,omitempty"`
}
func (x *ClientConfig) Reset() {
@ -463,6 +464,13 @@ func (x *ClientConfig) GetUdpOverTcp() bool {
return false
}
func (x *ClientConfig) GetUdpOverTcpVersion() uint32 {
if x != nil {
return x.UdpOverTcpVersion
}
return 0
}
var File_proxy_shadowsocks_2022_config_proto protoreflect.FileDescriptor
var file_proxy_shadowsocks_2022_config_proto_rawDesc = []byte{
@ -520,7 +528,7 @@ var file_proxy_shadowsocks_2022_config_proto_rawDesc = []byte{
0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65,
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@ -531,15 +539,18 @@ var file_proxy_shadowsocks_2022_config_proto_rawDesc = []byte{
0x64, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03,
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0x6f, 0x33,
}
var (

1
proxy/shadowsocks_2022/config.proto
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@ -51,4 +51,5 @@ message ClientConfig {
string method = 3;
string key = 4;
bool udp_over_tcp = 5;
uint32 udp_over_tcp_version = 6;
}

18
proxy/shadowsocks_2022/outbound.go
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@ -11,7 +11,6 @@ import (
C "github.com/sagernet/sing/common"
B "github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing/common/uot"
"github.com/xtls/xray-core/common"
@ -32,7 +31,7 @@ type Outbound struct {
ctx context.Context
server net.Destination
method shadowsocks.Method
uot bool
uotClient *uot.Client
}
func NewClient(ctx context.Context, config *ClientConfig) (*Outbound, error) {
@ -43,7 +42,6 @@ func NewClient(ctx context.Context, config *ClientConfig) (*Outbound, error) {
Port: net.Port(config.Port),
Network: net.Network_TCP,
},
uot: config.UdpOverTcp,
}
if C.Contains(shadowaead_2022.List, config.Method) {
if config.Key == "" {
@ -57,6 +55,9 @@ func NewClient(ctx context.Context, config *ClientConfig) (*Outbound, error) {
} else {
return nil, newError("unknown method ", config.Method)
}
if config.UdpOverTcp {
o.uotClient = &uot.Client{Version: uint8(config.UdpOverTcpVersion)}
}
return o, nil
}
@ -77,7 +78,7 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
newError("tunneling request to ", destination, " via ", o.server.NetAddr()).WriteToLog(session.ExportIDToError(ctx))
serverDestination := o.server
if o.uot {
if o.uotClient != nil {
serverDestination.Network = net.Network_TCP
} else {
serverDestination.Network = network
@ -149,9 +150,12 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
}
}
if o.uot {
serverConn := o.method.DialEarlyConn(connection, M.Socksaddr{Fqdn: uot.UOTMagicAddress})
return returnError(bufio.CopyPacketConn(ctx, packetConn, uot.NewClientConn(serverConn)))
if o.uotClient != nil {
uConn, err := o.uotClient.DialEarlyConn(o.method.DialEarlyConn(connection, uot.RequestDestination(o.uotClient.Version)), false, toSocksaddr(destination))
if err != nil {
return err
}
return returnError(bufio.CopyPacketConn(ctx, packetConn, uConn))
} else {
serverConn := o.method.DialPacketConn(connection)
return returnError(bufio.CopyPacketConn(ctx, packetConn, serverConn))

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