Add SNI shunt support for VLESS (#141)

This commit is contained in:
eMeab 2021-01-13 23:13:51 +08:00 committed by GitHub
parent 11a851f957
commit d85162ea44
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 77 additions and 42 deletions

View File

@ -18,6 +18,7 @@ import (
)
type VLessInboundFallback struct {
Name string `json:"name"`
Alpn string `json:"alpn"`
Path string `json:"path"`
Type string `json:"type"`
@ -85,6 +86,7 @@ func (c *VLessInboundConfig) Build() (proto.Message, error) {
_ = json.Unmarshal(fb.Dest, &s)
}
config.Fallbacks = append(config.Fallbacks, &inbound.Fallback{
Name: fb.Name,
Alpn: fb.Alpn,
Path: fb.Path,
Type: fb.Type,

View File

@ -31,11 +31,12 @@ type Fallback struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Alpn string `protobuf:"bytes,1,opt,name=alpn,proto3" json:"alpn,omitempty"`
Path string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
Type string `protobuf:"bytes,3,opt,name=type,proto3" json:"type,omitempty"`
Dest string `protobuf:"bytes,4,opt,name=dest,proto3" json:"dest,omitempty"`
Xver uint64 `protobuf:"varint,5,opt,name=xver,proto3" json:"xver,omitempty"`
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
Alpn string `protobuf:"bytes,2,opt,name=alpn,proto3" json:"alpn,omitempty"`
Path string `protobuf:"bytes,3,opt,name=path,proto3" json:"path,omitempty"`
Type string `protobuf:"bytes,4,opt,name=type,proto3" json:"type,omitempty"`
Dest string `protobuf:"bytes,5,opt,name=dest,proto3" json:"dest,omitempty"`
Xver uint64 `protobuf:"varint,6,opt,name=xver,proto3" json:"xver,omitempty"`
}
func (x *Fallback) Reset() {
@ -70,6 +71,13 @@ func (*Fallback) Descriptor() ([]byte, []int) {
return file_proxy_vless_inbound_config_proto_rawDescGZIP(), []int{0}
}
func (x *Fallback) GetName() string {
if x != nil {
return x.Name
}
return ""
}
func (x *Fallback) GetAlpn() string {
if x != nil {
return x.Alpn
@ -178,31 +186,33 @@ var file_proxy_vless_inbound_config_proto_rawDesc = []byte{
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}
var (

View File

@ -9,11 +9,12 @@ option java_multiple_files = true;
import "common/protocol/user.proto";
message Fallback {
string alpn = 1;
string path = 2;
string type = 3;
string dest = 4;
uint64 xver = 5;
string name = 1;
string alpn = 2;
string path = 3;
string type = 4;
string dest = 5;
uint64 xver = 6;
}
message Config {

View File

@ -6,6 +6,7 @@ import (
"context"
"io"
"strconv"
"strings"
"syscall"
"time"
@ -63,7 +64,7 @@ type Handler struct {
policyManager policy.Manager
validator *vless.Validator
dns dns.Client
fallbacks map[string]map[string]*Fallback // or nil
fallbacks map[string]map[string]map[string]*Fallback // or nil
// regexps map[string]*regexp.Regexp // or nil
}
@ -88,13 +89,16 @@ func New(ctx context.Context, config *Config, dc dns.Client) (*Handler, error) {
}
if config.Fallbacks != nil {
handler.fallbacks = make(map[string]map[string]*Fallback)
handler.fallbacks = make(map[string]map[string]map[string]*Fallback)
// handler.regexps = make(map[string]*regexp.Regexp)
for _, fb := range config.Fallbacks {
if handler.fallbacks[fb.Alpn] == nil {
handler.fallbacks[fb.Alpn] = make(map[string]*Fallback)
if handler.fallbacks[fb.Name] == nil {
handler.fallbacks[fb.Name] = make(map[string]map[string]*Fallback)
}
handler.fallbacks[fb.Alpn][fb.Path] = fb
if handler.fallbacks[fb.Name][fb.Alpn] == nil {
handler.fallbacks[fb.Name][fb.Alpn] = make(map[string]*Fallback)
}
handler.fallbacks[fb.Name][fb.Alpn][fb.Path] = fb
/*
if fb.Path != "" {
if r, err := regexp.Compile(fb.Path); err != nil {
@ -187,20 +191,38 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection i
}
newError("fallback starts").Base(err).AtInfo().WriteToLog(sid)
name := ""
alpn := ""
if len(apfb) > 1 || apfb[""] == nil {
if tlsConn, ok := iConn.(*tls.Conn); ok {
name = tlsConn.ConnectionState().ServerName
alpn = tlsConn.ConnectionState().NegotiatedProtocol
newError("realServerName = " + name).AtInfo().WriteToLog(sid)
newError("realAlpn = " + alpn).AtInfo().WriteToLog(sid)
} else if xtlsConn, ok := iConn.(*xtls.Conn); ok {
name = xtlsConn.ConnectionState().ServerName
alpn = xtlsConn.ConnectionState().NegotiatedProtocol
newError("realServerName = " + name).AtInfo().WriteToLog(sid)
newError("realAlpn = " + alpn).AtInfo().WriteToLog(sid)
}
if apfb[alpn] == nil {
labels := strings.Split(name, ".")
for i := range labels {
labels[i] = "*"
candidate := strings.Join(labels, ".")
if apfb[candidate] != nil {
name = candidate
break
}
}
if apfb[name] == nil {
name = ""
}
if apfb[name][alpn] == nil {
alpn = ""
}
}
pfb := apfb[alpn]
pfb := apfb[name][alpn]
if pfb == nil {
return newError(`failed to find the default "alpn" config`).AtWarning()
}