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Support Restls-V1 in Clash.Meta (#441)

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* feat: impl restls

* fix: don't break shadowtls' working

* chores: correct restls-client-go version

* feat: bump restls-client-go version

* fix: consistent naming `client-fingerprint`

* docs: update example config

* chore: adjust client-fingerprint's snippet

---------

Co-authored-by: wwqgtxx <wwqgtxx@gmail.com>
Co-authored-by: Larvan2 <78135608+Larvan2@users.noreply.github.com>
This commit is contained in:
3andne
2023-03-13 22:33:24 -07:00
committed by GitHub
parent 2f992e9863
commit 2fef00d2a8
6 changed files with 152 additions and 17 deletions
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64
adapter/outbound/shadowsocks.go
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@ -12,11 +12,13 @@ import (
"github.com/Dreamacro/clash/common/structure"
"github.com/Dreamacro/clash/component/dialer"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/transport/restls"
obfs "github.com/Dreamacro/clash/transport/simple-obfs"
shadowtls "github.com/Dreamacro/clash/transport/sing-shadowtls"
"github.com/Dreamacro/clash/transport/socks5"
v2rayObfs "github.com/Dreamacro/clash/transport/v2ray-plugin"
restlsC "github.com/3andne/restls-client-go"
shadowsocks "github.com/metacubex/sing-shadowsocks"
"github.com/metacubex/sing-shadowsocks/shadowimpl"
"github.com/sagernet/sing/common/bufio"
@ -34,19 +36,21 @@ type ShadowSocks struct {
obfsOption *simpleObfsOption
v2rayOption *v2rayObfs.Option
shadowTLSOption *shadowtls.ShadowTLSOption
restlsConfig *restlsC.Config
}
type ShadowSocksOption struct {
BasicOption
Name string `proxy:"name"`
Server string `proxy:"server"`
Port int `proxy:"port"`
Password string `proxy:"password"`
Cipher string `proxy:"cipher"`
UDP bool `proxy:"udp,omitempty"`
Plugin string `proxy:"plugin,omitempty"`
PluginOpts map[string]any `proxy:"plugin-opts,omitempty"`
UDPOverTCP bool `proxy:"udp-over-tcp,omitempty"`
Name string `proxy:"name"`
Server string `proxy:"server"`
Port int `proxy:"port"`
Password string `proxy:"password"`
Cipher string `proxy:"cipher"`
UDP bool `proxy:"udp,omitempty"`
Plugin string `proxy:"plugin,omitempty"`
PluginOpts map[string]any `proxy:"plugin-opts,omitempty"`
UDPOverTCP bool `proxy:"udp-over-tcp,omitempty"`
ClientFingerprint string `proxy:"client-fingerprint,omitempty"`
}
type simpleObfsOption struct {
@ -66,12 +70,18 @@ type v2rayObfsOption struct {
}
type shadowTLSOption struct {
Password string `obfs:"password"`
Host string `obfs:"host"`
Fingerprint string `obfs:"fingerprint,omitempty"`
ClientFingerprint string `obfs:"client-fingerprint,omitempty"`
SkipCertVerify bool `obfs:"skip-cert-verify,omitempty"`
Version int `obfs:"version,omitempty"`
Password string `obfs:"password"`
Host string `obfs:"host"`
Fingerprint string `obfs:"fingerprint,omitempty"`
SkipCertVerify bool `obfs:"skip-cert-verify,omitempty"`
Version int `obfs:"version,omitempty"`
}
type restlsOption struct {
Password string `obfs:"password"`
Host string `obfs:"host"`
VersionHint string `obfs:"version-hint"`
RestlsScript string `obfs:"restls-script,omitempty"`
}
// StreamConn implements C.ProxyAdapter
@ -86,6 +96,7 @@ func (ss *ShadowSocks) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, e
if err != nil {
return nil, err
}
}
return ss.streamConn(c, metadata)
}
@ -103,6 +114,12 @@ func (ss *ShadowSocks) streamConn(c net.Conn, metadata *C.Metadata) (net.Conn, e
if err != nil {
return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
}
case restls.Mode:
var err error
c, err = restls.NewRestls(c, ss.restlsConfig)
if err != nil {
return nil, fmt.Errorf("%s (restls) connect error: %w", ss.addr, err)
}
}
if metadata.NetWork == C.UDP && ss.option.UDPOverTCP {
if N.NeedHandshake(c) {
@ -202,6 +219,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
var v2rayOption *v2rayObfs.Option
var obfsOption *simpleObfsOption
var shadowTLSOpt *shadowtls.ShadowTLSOption
var restlsConfig *restlsC.Config
obfsMode := ""
decoder := structure.NewDecoder(structure.Option{TagName: "obfs", WeaklyTypedInput: true})
@ -250,10 +268,23 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
Password: opt.Password,
Host: opt.Host,
Fingerprint: opt.Fingerprint,
ClientFingerprint: opt.ClientFingerprint,
ClientFingerprint: option.ClientFingerprint,
SkipCertVerify: opt.SkipCertVerify,
Version: opt.Version,
}
} else if option.Plugin == restls.Mode {
obfsMode = restls.Mode
restlsOpt := &restlsOption{}
if err := decoder.Decode(option.PluginOpts, restlsOpt); err != nil {
return nil, fmt.Errorf("ss %s initialize restls-plugin error: %w", addr, err)
}
restlsConfig, err = restlsC.NewRestlsConfig(restlsOpt.Host, restlsOpt.Password, restlsOpt.VersionHint, restlsOpt.RestlsScript, option.ClientFingerprint)
restlsConfig.SessionTicketsDisabled = true
if err != nil {
return nil, fmt.Errorf("ss %s initialize restls-plugin error: %w", addr, err)
}
}
return &ShadowSocks{
@ -274,6 +305,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
v2rayOption: v2rayOption,
obfsOption: obfsOption,
shadowTLSOption: shadowTLSOpt,
restlsConfig: restlsConfig,
}, nil
}