Compare commits
24 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| 6c83ff3496 | |||
| f7f97ef625 | |||
| 5acdd72a1d | |||
| f53686103d | |||
| f63c9eb22f | |||
| a37243cf30 | |||
| b3c1b4a840 | |||
| 14bbf6eedc | |||
| aa81193d5b | |||
| 9eb98e399d | |||
| d48cfecf60 | |||
| 6036fb63ba | |||
| cd48f69b1f | |||
| fcc594ae26 | |||
| f4de055aa1 | |||
| 35925cb3da | |||
| ff430df845 | |||
| e4cdea2111 | |||
| b6ee47a541 | |||
| b25009cde7 | |||
| 6fedd7ec84 | |||
| 9619c3fb20 | |||
| 02d029dd2d | |||
| 09c28e0355 |
4
.github/workflows/go.yml
vendored
4
.github/workflows/go.yml
vendored
@ -9,7 +9,7 @@ jobs:
|
||||
- name: Setup Go
|
||||
uses: actions/setup-go@v2
|
||||
with:
|
||||
go-version: 1.15.x
|
||||
go-version: 1.16
|
||||
|
||||
- name: Check out code into the Go module directory
|
||||
uses: actions/checkout@v2
|
||||
@ -26,7 +26,7 @@ jobs:
|
||||
run: |
|
||||
go test ./...
|
||||
go vet ./...
|
||||
go get -u honnef.co/go/tools/cmd/staticcheck
|
||||
go install honnef.co/go/tools/cmd/staticcheck@latest
|
||||
staticcheck -- $(go list ./...)
|
||||
|
||||
- name: Build
|
||||
|
||||
@ -10,7 +10,7 @@ RUN go mod download && \
|
||||
mv ./bin/clash-docker /clash
|
||||
|
||||
FROM alpine:latest
|
||||
LABEL org.opencontainers.image.source https://github.com/Dreamacro/clash
|
||||
LABEL org.opencontainers.image.source="https://github.com/Dreamacro/clash"
|
||||
|
||||
RUN apk add --no-cache ca-certificates
|
||||
COPY --from=builder /Country.mmdb /root/.config/clash/
|
||||
|
||||
4
Makefile
4
Makefile
@ -8,6 +8,7 @@ GOBUILD=CGO_ENABLED=0 go build -trimpath -ldflags '-X "github.com/Dreamacro/clas
|
||||
|
||||
PLATFORM_LIST = \
|
||||
darwin-amd64 \
|
||||
darwin-arm64 \
|
||||
linux-386 \
|
||||
linux-amd64 \
|
||||
linux-armv5 \
|
||||
@ -36,6 +37,9 @@ docker:
|
||||
darwin-amd64:
|
||||
GOARCH=amd64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
|
||||
|
||||
darwin-arm64:
|
||||
GOARCH=arm64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
|
||||
|
||||
linux-386:
|
||||
GOARCH=386 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
|
||||
|
||||
|
||||
@ -6,33 +6,18 @@ import (
|
||||
"strings"
|
||||
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
"github.com/Dreamacro/clash/context"
|
||||
)
|
||||
|
||||
// HTTPAdapter is a adapter for HTTP connection
|
||||
type HTTPAdapter struct {
|
||||
net.Conn
|
||||
metadata *C.Metadata
|
||||
R *http.Request
|
||||
}
|
||||
|
||||
// Metadata return destination metadata
|
||||
func (h *HTTPAdapter) Metadata() *C.Metadata {
|
||||
return h.metadata
|
||||
}
|
||||
|
||||
// NewHTTP is HTTPAdapter generator
|
||||
func NewHTTP(request *http.Request, conn net.Conn) *HTTPAdapter {
|
||||
// NewHTTP recieve normal http request and return HTTPContext
|
||||
func NewHTTP(request *http.Request, conn net.Conn) *context.HTTPContext {
|
||||
metadata := parseHTTPAddr(request)
|
||||
metadata.Type = C.HTTP
|
||||
if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil {
|
||||
metadata.SrcIP = ip
|
||||
metadata.SrcPort = port
|
||||
}
|
||||
return &HTTPAdapter{
|
||||
metadata: metadata,
|
||||
R: request,
|
||||
Conn: conn,
|
||||
}
|
||||
return context.NewHTTPContext(conn, request, metadata)
|
||||
}
|
||||
|
||||
// RemoveHopByHopHeaders remove hop-by-hop header
|
||||
@ -58,3 +43,19 @@ func RemoveHopByHopHeaders(header http.Header) {
|
||||
header.Del(strings.TrimSpace(h))
|
||||
}
|
||||
}
|
||||
|
||||
// RemoveExtraHTTPHostPort remove extra host port (example.com:80 --> example.com)
|
||||
// It resolves the behavior of some HTTP servers that do not handle host:80 (e.g. baidu.com)
|
||||
func RemoveExtraHTTPHostPort(req *http.Request) {
|
||||
host := req.Host
|
||||
if host == "" {
|
||||
host = req.URL.Host
|
||||
}
|
||||
|
||||
if pHost, port, err := net.SplitHostPort(host); err == nil && port == "80" {
|
||||
host = pHost
|
||||
}
|
||||
|
||||
req.Host = host
|
||||
req.URL.Host = host
|
||||
}
|
||||
|
||||
@ -5,18 +5,16 @@ import (
|
||||
"net/http"
|
||||
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
"github.com/Dreamacro/clash/context"
|
||||
)
|
||||
|
||||
// NewHTTPS is HTTPAdapter generator
|
||||
func NewHTTPS(request *http.Request, conn net.Conn) *SocketAdapter {
|
||||
// NewHTTPS recieve CONNECT request and return ConnContext
|
||||
func NewHTTPS(request *http.Request, conn net.Conn) *context.ConnContext {
|
||||
metadata := parseHTTPAddr(request)
|
||||
metadata.Type = C.HTTPCONNECT
|
||||
if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil {
|
||||
metadata.SrcIP = ip
|
||||
metadata.SrcPort = port
|
||||
}
|
||||
return &SocketAdapter{
|
||||
metadata: metadata,
|
||||
Conn: conn,
|
||||
}
|
||||
return context.NewConnContext(conn, metadata)
|
||||
}
|
||||
|
||||
@ -5,21 +5,11 @@ import (
|
||||
|
||||
"github.com/Dreamacro/clash/component/socks5"
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
"github.com/Dreamacro/clash/context"
|
||||
)
|
||||
|
||||
// SocketAdapter is a adapter for socks and redir connection
|
||||
type SocketAdapter struct {
|
||||
net.Conn
|
||||
metadata *C.Metadata
|
||||
}
|
||||
|
||||
// Metadata return destination metadata
|
||||
func (s *SocketAdapter) Metadata() *C.Metadata {
|
||||
return s.metadata
|
||||
}
|
||||
|
||||
// NewSocket is SocketAdapter generator
|
||||
func NewSocket(target socks5.Addr, conn net.Conn, source C.Type) *SocketAdapter {
|
||||
// NewSocket recieve TCP inbound and return ConnContext
|
||||
func NewSocket(target socks5.Addr, conn net.Conn, source C.Type) *context.ConnContext {
|
||||
metadata := parseSocksAddr(target)
|
||||
metadata.NetWork = C.TCP
|
||||
metadata.Type = source
|
||||
@ -28,8 +18,5 @@ func NewSocket(target socks5.Addr, conn net.Conn, source C.Type) *SocketAdapter
|
||||
metadata.SrcPort = port
|
||||
}
|
||||
|
||||
return &SocketAdapter{
|
||||
Conn: conn,
|
||||
metadata: metadata,
|
||||
}
|
||||
return context.NewConnContext(conn, metadata)
|
||||
}
|
||||
|
||||
@ -12,12 +12,13 @@ import (
|
||||
"github.com/Dreamacro/clash/component/ssr/protocol"
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
"github.com/Dreamacro/go-shadowsocks2/core"
|
||||
"github.com/Dreamacro/go-shadowsocks2/shadowaead"
|
||||
"github.com/Dreamacro/go-shadowsocks2/shadowstream"
|
||||
)
|
||||
|
||||
type ShadowSocksR struct {
|
||||
*Base
|
||||
cipher *core.StreamCipher
|
||||
cipher core.Cipher
|
||||
obfs obfs.Obfs
|
||||
protocol protocol.Protocol
|
||||
}
|
||||
@ -36,17 +37,22 @@ type ShadowSocksROption struct {
|
||||
}
|
||||
|
||||
func (ssr *ShadowSocksR) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
|
||||
c = obfs.NewConn(c, ssr.obfs)
|
||||
c = ssr.obfs.StreamConn(c)
|
||||
c = ssr.cipher.StreamConn(c)
|
||||
conn, ok := c.(*shadowstream.Conn)
|
||||
if !ok {
|
||||
var (
|
||||
iv []byte
|
||||
err error
|
||||
)
|
||||
switch conn := c.(type) {
|
||||
case *shadowstream.Conn:
|
||||
iv, err = conn.ObtainWriteIV()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
case *shadowaead.Conn:
|
||||
return nil, fmt.Errorf("invalid connection type")
|
||||
}
|
||||
iv, err := conn.ObtainWriteIV()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
c = protocol.NewConn(c, ssr.protocol, iv)
|
||||
c = ssr.protocol.StreamConn(c, iv)
|
||||
_, err = c.Write(serializesSocksAddr(metadata))
|
||||
return c, err
|
||||
}
|
||||
@ -74,7 +80,7 @@ func (ssr *ShadowSocksR) DialUDP(metadata *C.Metadata) (C.PacketConn, error) {
|
||||
}
|
||||
|
||||
pc = ssr.cipher.PacketConn(pc)
|
||||
pc = protocol.NewPacketConn(pc, ssr.protocol)
|
||||
pc = ssr.protocol.PacketConn(pc)
|
||||
return newPacketConn(&ssPacketConn{PacketConn: pc, rAddr: addr}, ssr), nil
|
||||
}
|
||||
|
||||
@ -90,35 +96,43 @@ func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
|
||||
password := option.Password
|
||||
coreCiph, err := core.PickCipher(cipher, nil, password)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("ssr %s initialize cipher error: %w", addr, err)
|
||||
return nil, fmt.Errorf("ssr %s initialize error: %w", addr, err)
|
||||
}
|
||||
ciph, ok := coreCiph.(*core.StreamCipher)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("%s is not a supported stream cipher in ssr", cipher)
|
||||
var (
|
||||
ivSize int
|
||||
key []byte
|
||||
)
|
||||
if option.Cipher == "dummy" {
|
||||
ivSize = 0
|
||||
key = core.Kdf(option.Password, 16)
|
||||
} else {
|
||||
ciph, ok := coreCiph.(*core.StreamCipher)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("%s is not dummy or a supported stream cipher in ssr", cipher)
|
||||
}
|
||||
ivSize = ciph.IVSize()
|
||||
key = ciph.Key
|
||||
}
|
||||
|
||||
obfs, err := obfs.PickObfs(option.Obfs, &obfs.Base{
|
||||
IVSize: ciph.IVSize(),
|
||||
Key: ciph.Key,
|
||||
HeadLen: 30,
|
||||
Host: option.Server,
|
||||
Port: option.Port,
|
||||
Param: option.ObfsParam,
|
||||
obfs, obfsOverhead, err := obfs.PickObfs(option.Obfs, &obfs.Base{
|
||||
Host: option.Server,
|
||||
Port: option.Port,
|
||||
Key: key,
|
||||
IVSize: ivSize,
|
||||
Param: option.ObfsParam,
|
||||
})
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("ssr %s initialize obfs error: %w", addr, err)
|
||||
}
|
||||
|
||||
protocol, err := protocol.PickProtocol(option.Protocol, &protocol.Base{
|
||||
IV: nil,
|
||||
Key: ciph.Key,
|
||||
TCPMss: 1460,
|
||||
Param: option.ProtocolParam,
|
||||
Key: key,
|
||||
Overhead: obfsOverhead,
|
||||
Param: option.ProtocolParam,
|
||||
})
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("ssr %s initialize protocol error: %w", addr, err)
|
||||
}
|
||||
protocol.SetOverhead(obfs.GetObfsOverhead() + protocol.GetProtocolOverhead())
|
||||
|
||||
return &ShadowSocksR{
|
||||
Base: &Base{
|
||||
@ -127,7 +141,7 @@ func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
|
||||
tp: C.ShadowsocksR,
|
||||
udp: option.UDP,
|
||||
},
|
||||
cipher: ciph,
|
||||
cipher: coreCiph,
|
||||
obfs: obfs,
|
||||
protocol: protocol,
|
||||
}, nil
|
||||
|
||||
@ -122,7 +122,21 @@ func (ss *Socks5) DialUDP(metadata *C.Metadata) (_ C.PacketConn, err error) {
|
||||
pc.Close()
|
||||
}()
|
||||
|
||||
return newPacketConn(&socksPacketConn{PacketConn: pc, rAddr: bindAddr.UDPAddr(), tcpConn: c}, ss), nil
|
||||
// Support unspecified UDP bind address.
|
||||
bindUDPAddr := bindAddr.UDPAddr()
|
||||
if bindUDPAddr == nil {
|
||||
err = errors.New("invalid UDP bind address")
|
||||
return
|
||||
} else if bindUDPAddr.IP.IsUnspecified() {
|
||||
serverAddr, err := resolveUDPAddr("udp", ss.Addr())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
bindUDPAddr.IP = serverAddr.IP
|
||||
}
|
||||
|
||||
return newPacketConn(&socksPacketConn{PacketConn: pc, rAddr: bindUDPAddr, tcpConn: c}, ss), nil
|
||||
}
|
||||
|
||||
func NewSocks5(option Socks5Option) *Socks5 {
|
||||
|
||||
@ -74,7 +74,7 @@ func (f *fetcher) Initial() (interface{}, error) {
|
||||
}
|
||||
}
|
||||
|
||||
if f.vehicle.Type() != File {
|
||||
if f.vehicle.Type() != File && !isLocal {
|
||||
if err := safeWrite(f.vehicle.Path(), buf); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
@ -108,8 +108,10 @@ func (f *fetcher) Update() (interface{}, bool, error) {
|
||||
return nil, false, err
|
||||
}
|
||||
|
||||
if err := safeWrite(f.vehicle.Path(), buf); err != nil {
|
||||
return nil, false, err
|
||||
if f.vehicle.Type() != File {
|
||||
if err := safeWrite(f.vehicle.Path(), buf); err != nil {
|
||||
return nil, false, err
|
||||
}
|
||||
}
|
||||
|
||||
f.updatedAt = &now
|
||||
|
||||
@ -107,6 +107,7 @@ func (h *HTTPVehicle) Read() ([]byte, error) {
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer resp.Body.Close()
|
||||
|
||||
buf, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
|
||||
11
common/net/io.go
Normal file
11
common/net/io.go
Normal file
@ -0,0 +1,11 @@
|
||||
package net
|
||||
|
||||
import "io"
|
||||
|
||||
type ReadOnlyReader struct {
|
||||
io.Reader
|
||||
}
|
||||
|
||||
type WriteOnlyWriter struct {
|
||||
io.Writer
|
||||
}
|
||||
@ -3,8 +3,14 @@ package dialer
|
||||
import (
|
||||
"errors"
|
||||
"net"
|
||||
"time"
|
||||
|
||||
"github.com/Dreamacro/clash/common/singledo"
|
||||
)
|
||||
|
||||
// In some OS, such as Windows, it takes a little longer to get interface information
|
||||
var ifaceSingle = singledo.NewSingle(time.Second * 20)
|
||||
|
||||
var (
|
||||
errPlatformNotSupport = errors.New("unsupport platform")
|
||||
)
|
||||
@ -52,12 +58,18 @@ func lookupUDPAddr(ip net.IP, addrs []net.Addr) (*net.UDPAddr, error) {
|
||||
}
|
||||
|
||||
func fallbackBindToDialer(dialer *net.Dialer, network string, ip net.IP, name string) error {
|
||||
iface, err := net.InterfaceByName(name)
|
||||
if !ip.IsGlobalUnicast() {
|
||||
return nil
|
||||
}
|
||||
|
||||
iface, err, _ := ifaceSingle.Do(func() (interface{}, error) {
|
||||
return net.InterfaceByName(name)
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
addrs, err := iface.Addrs()
|
||||
addrs, err := iface.(*net.Interface).Addrs()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
@ -81,12 +93,14 @@ func fallbackBindToDialer(dialer *net.Dialer, network string, ip net.IP, name st
|
||||
}
|
||||
|
||||
func fallbackBindToListenConfig(name string) (string, error) {
|
||||
iface, err := net.InterfaceByName(name)
|
||||
iface, err, _ := ifaceSingle.Do(func() (interface{}, error) {
|
||||
return net.InterfaceByName(name)
|
||||
})
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
addrs, err := iface.Addrs()
|
||||
addrs, err := iface.(*net.Interface).Addrs()
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
@ -29,23 +29,25 @@ func bindControl(ifaceIdx int) controlFn {
|
||||
}
|
||||
|
||||
func bindIfaceToDialer(dialer *net.Dialer, ifaceName string) error {
|
||||
iface, err := net.InterfaceByName(ifaceName)
|
||||
iface, err, _ := ifaceSingle.Do(func() (interface{}, error) {
|
||||
return net.InterfaceByName(ifaceName)
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
dialer.Control = bindControl(iface.Index)
|
||||
|
||||
dialer.Control = bindControl(iface.(*net.Interface).Index)
|
||||
return nil
|
||||
}
|
||||
|
||||
func bindIfaceToListenConfig(lc *net.ListenConfig, ifaceName string) error {
|
||||
iface, err := net.InterfaceByName(ifaceName)
|
||||
iface, err, _ := ifaceSingle.Do(func() (interface{}, error) {
|
||||
return net.InterfaceByName(ifaceName)
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
lc.Control = bindControl(iface.Index)
|
||||
|
||||
lc.Control = bindControl(iface.(*net.Interface).Index)
|
||||
return nil
|
||||
}
|
||||
|
||||
101
component/profile/cachefile/cache.go
Normal file
101
component/profile/cachefile/cache.go
Normal file
@ -0,0 +1,101 @@
|
||||
package cachefile
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/gob"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"sync"
|
||||
|
||||
"github.com/Dreamacro/clash/component/profile"
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
"github.com/Dreamacro/clash/log"
|
||||
)
|
||||
|
||||
var (
|
||||
initOnce sync.Once
|
||||
fileMode os.FileMode = 0666
|
||||
defaultCache *CacheFile
|
||||
)
|
||||
|
||||
type cache struct {
|
||||
Selected map[string]string
|
||||
}
|
||||
|
||||
// CacheFile store and update the cache file
|
||||
type CacheFile struct {
|
||||
path string
|
||||
model *cache
|
||||
buf *bytes.Buffer
|
||||
mux sync.Mutex
|
||||
}
|
||||
|
||||
func (c *CacheFile) SetSelected(group, selected string) {
|
||||
if !profile.StoreSelected.Load() {
|
||||
return
|
||||
}
|
||||
|
||||
c.mux.Lock()
|
||||
defer c.mux.Unlock()
|
||||
|
||||
model := c.element()
|
||||
|
||||
model.Selected[group] = selected
|
||||
c.buf.Reset()
|
||||
if err := gob.NewEncoder(c.buf).Encode(model); err != nil {
|
||||
log.Warnln("[CacheFile] encode gob failed: %s", err.Error())
|
||||
return
|
||||
}
|
||||
|
||||
if err := ioutil.WriteFile(c.path, c.buf.Bytes(), fileMode); err != nil {
|
||||
log.Warnln("[CacheFile] write cache to %s failed: %s", c.path, err.Error())
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
func (c *CacheFile) SelectedMap() map[string]string {
|
||||
if !profile.StoreSelected.Load() {
|
||||
return nil
|
||||
}
|
||||
|
||||
c.mux.Lock()
|
||||
defer c.mux.Unlock()
|
||||
|
||||
model := c.element()
|
||||
|
||||
mapping := map[string]string{}
|
||||
for k, v := range model.Selected {
|
||||
mapping[k] = v
|
||||
}
|
||||
return mapping
|
||||
}
|
||||
|
||||
func (c *CacheFile) element() *cache {
|
||||
if c.model != nil {
|
||||
return c.model
|
||||
}
|
||||
|
||||
model := &cache{
|
||||
Selected: map[string]string{},
|
||||
}
|
||||
|
||||
if buf, err := ioutil.ReadFile(c.path); err == nil {
|
||||
bufReader := bytes.NewBuffer(buf)
|
||||
gob.NewDecoder(bufReader).Decode(model)
|
||||
}
|
||||
|
||||
c.model = model
|
||||
return c.model
|
||||
}
|
||||
|
||||
// Cache return singleton of CacheFile
|
||||
func Cache() *CacheFile {
|
||||
initOnce.Do(func() {
|
||||
defaultCache = &CacheFile{
|
||||
path: C.Path.Cache(),
|
||||
buf: &bytes.Buffer{},
|
||||
}
|
||||
})
|
||||
|
||||
return defaultCache
|
||||
}
|
||||
10
component/profile/profile.go
Normal file
10
component/profile/profile.go
Normal file
@ -0,0 +1,10 @@
|
||||
package profile
|
||||
|
||||
import (
|
||||
"go.uber.org/atomic"
|
||||
)
|
||||
|
||||
var (
|
||||
// StoreSelected is a global switch for storing selected proxy to cache
|
||||
StoreSelected = atomic.NewBool(true)
|
||||
)
|
||||
@ -1,11 +1,9 @@
|
||||
package obfs
|
||||
|
||||
// Base information for obfs
|
||||
type Base struct {
|
||||
IVSize int
|
||||
Key []byte
|
||||
HeadLen int
|
||||
Host string
|
||||
Port int
|
||||
Param string
|
||||
Host string
|
||||
Port int
|
||||
Key []byte
|
||||
IVSize int
|
||||
Param string
|
||||
}
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
package obfs
|
||||
|
||||
func init() {
|
||||
register("http_post", newHTTPPost)
|
||||
register("http_post", newHTTPPost, 0)
|
||||
}
|
||||
|
||||
func newHTTPPost(b *Base) Obfs {
|
||||
|
||||
@ -3,400 +3,405 @@ package obfs
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/hex"
|
||||
"fmt"
|
||||
"io"
|
||||
"math/rand"
|
||||
"net"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/component/ssr/tools"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("http_simple", newHTTPSimple, 0)
|
||||
}
|
||||
|
||||
type httpObfs struct {
|
||||
*Base
|
||||
firstRequest bool
|
||||
firstResponse bool
|
||||
post bool
|
||||
}
|
||||
|
||||
func init() {
|
||||
register("http_simple", newHTTPSimple)
|
||||
post bool
|
||||
}
|
||||
|
||||
func newHTTPSimple(b *Base) Obfs {
|
||||
return &httpObfs{Base: b}
|
||||
}
|
||||
|
||||
func (h *httpObfs) initForConn() Obfs {
|
||||
return &httpObfs{
|
||||
Base: h.Base,
|
||||
firstRequest: true,
|
||||
firstResponse: true,
|
||||
post: h.post,
|
||||
}
|
||||
type httpConn struct {
|
||||
net.Conn
|
||||
*httpObfs
|
||||
hasSentHeader bool
|
||||
hasRecvHeader bool
|
||||
buf []byte
|
||||
}
|
||||
|
||||
func (h *httpObfs) GetObfsOverhead() int {
|
||||
return 0
|
||||
func (h *httpObfs) StreamConn(c net.Conn) net.Conn {
|
||||
return &httpConn{Conn: c, httpObfs: h}
|
||||
}
|
||||
|
||||
func (h *httpObfs) Decode(b []byte) ([]byte, bool, error) {
|
||||
if h.firstResponse {
|
||||
idx := bytes.Index(b, []byte("\r\n\r\n"))
|
||||
if idx == -1 {
|
||||
return nil, false, io.EOF
|
||||
}
|
||||
h.firstResponse = false
|
||||
return b[idx+4:], false, nil
|
||||
}
|
||||
return b, false, nil
|
||||
}
|
||||
|
||||
func (h *httpObfs) Encode(b []byte) ([]byte, error) {
|
||||
if h.firstRequest {
|
||||
bSize := len(b)
|
||||
var headData []byte
|
||||
|
||||
if headSize := h.IVSize + h.HeadLen; bSize-headSize > 64 {
|
||||
headData = make([]byte, headSize+rand.Intn(64))
|
||||
func (c *httpConn) Read(b []byte) (int, error) {
|
||||
if c.buf != nil {
|
||||
n := copy(b, c.buf)
|
||||
if n == len(c.buf) {
|
||||
c.buf = nil
|
||||
} else {
|
||||
headData = make([]byte, bSize)
|
||||
c.buf = c.buf[n:]
|
||||
}
|
||||
copy(headData, b[:len(headData)])
|
||||
host := h.Host
|
||||
var customHead string
|
||||
|
||||
if len(h.Param) > 0 {
|
||||
customHeads := strings.Split(h.Param, "#")
|
||||
if len(customHeads) > 2 {
|
||||
customHeads = customHeads[:2]
|
||||
}
|
||||
customHosts := h.Param
|
||||
if len(customHeads) > 1 {
|
||||
customHosts = customHeads[0]
|
||||
customHead = customHeads[1]
|
||||
}
|
||||
hosts := strings.Split(customHosts, ",")
|
||||
if len(hosts) > 0 {
|
||||
host = strings.TrimSpace(hosts[rand.Intn(len(hosts))])
|
||||
}
|
||||
}
|
||||
|
||||
method := "GET /"
|
||||
if h.post {
|
||||
method = "POST /"
|
||||
}
|
||||
requestPathIndex := rand.Intn(len(requestPath)/2) * 2
|
||||
httpBuf := fmt.Sprintf("%s%s%s%s HTTP/1.1\r\nHost: %s:%d\r\n",
|
||||
method,
|
||||
requestPath[requestPathIndex],
|
||||
data2URLEncode(headData),
|
||||
requestPath[requestPathIndex+1],
|
||||
host, h.Port)
|
||||
if len(customHead) > 0 {
|
||||
httpBuf = httpBuf + strings.Replace(customHead, "\\n", "\r\n", -1) + "\r\n\r\n"
|
||||
} else {
|
||||
var contentType string
|
||||
if h.post {
|
||||
contentType = "Content-Type: multipart/form-data; boundary=" + boundary() + "\r\n"
|
||||
}
|
||||
httpBuf = httpBuf + "User-agent: " + requestUserAgent[rand.Intn(len(requestUserAgent))] + "\r\n" +
|
||||
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n" +
|
||||
"Accept-Language: en-US,en;q=0.8\r\n" +
|
||||
"Accept-Encoding: gzip, deflate\r\n" +
|
||||
contentType +
|
||||
"DNT: 1\r\n" +
|
||||
"Connection: keep-alive\r\n" +
|
||||
"\r\n"
|
||||
}
|
||||
|
||||
var encoded []byte
|
||||
if len(headData) < bSize {
|
||||
encoded = make([]byte, len(httpBuf)+(bSize-len(headData)))
|
||||
copy(encoded, []byte(httpBuf))
|
||||
copy(encoded[len(httpBuf):], b[len(headData):])
|
||||
} else {
|
||||
encoded = []byte(httpBuf)
|
||||
}
|
||||
h.firstRequest = false
|
||||
return encoded, nil
|
||||
return n, nil
|
||||
}
|
||||
|
||||
return b, nil
|
||||
}
|
||||
|
||||
func data2URLEncode(data []byte) (ret string) {
|
||||
for i := 0; i < len(data); i++ {
|
||||
ret = fmt.Sprintf("%s%%%s", ret, hex.EncodeToString([]byte{data[i]}))
|
||||
if c.hasRecvHeader {
|
||||
return c.Conn.Read(b)
|
||||
}
|
||||
return
|
||||
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
defer pool.Put(buf)
|
||||
n, err := c.Conn.Read(buf)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
pos := bytes.Index(buf[:n], []byte("\r\n\r\n"))
|
||||
if pos == -1 {
|
||||
return 0, io.EOF
|
||||
}
|
||||
c.hasRecvHeader = true
|
||||
dataLength := n - pos - 4
|
||||
n = copy(b, buf[4+pos:n])
|
||||
if dataLength > n {
|
||||
c.buf = append(c.buf, buf[4+pos+n:4+pos+dataLength]...)
|
||||
}
|
||||
return n, nil
|
||||
}
|
||||
|
||||
func boundary() (ret string) {
|
||||
func (c *httpConn) Write(b []byte) (int, error) {
|
||||
if c.hasSentHeader {
|
||||
return c.Conn.Write(b)
|
||||
}
|
||||
// 30: head length
|
||||
headLength := c.IVSize + 30
|
||||
|
||||
bLength := len(b)
|
||||
headDataLength := bLength
|
||||
if bLength-headLength > 64 {
|
||||
headDataLength = headLength + rand.Intn(65)
|
||||
}
|
||||
headData := b[:headDataLength]
|
||||
b = b[headDataLength:]
|
||||
|
||||
var body string
|
||||
host := c.Host
|
||||
if len(c.Param) > 0 {
|
||||
pos := strings.Index(c.Param, "#")
|
||||
if pos != -1 {
|
||||
body = strings.ReplaceAll(c.Param[pos+1:], "\n", "\r\n")
|
||||
body = strings.ReplaceAll(body, "\\n", "\r\n")
|
||||
host = c.Param[:pos]
|
||||
} else {
|
||||
host = c.Param
|
||||
}
|
||||
}
|
||||
hosts := strings.Split(host, ",")
|
||||
host = hosts[rand.Intn(len(hosts))]
|
||||
|
||||
buf := tools.BufPool.Get().(*bytes.Buffer)
|
||||
defer tools.BufPool.Put(buf)
|
||||
defer buf.Reset()
|
||||
if c.post {
|
||||
buf.WriteString("POST /")
|
||||
} else {
|
||||
buf.WriteString("GET /")
|
||||
}
|
||||
packURLEncodedHeadData(buf, headData)
|
||||
buf.WriteString(" HTTP/1.1\r\nHost: " + host)
|
||||
if c.Port != 80 {
|
||||
buf.WriteString(":" + strconv.Itoa(c.Port))
|
||||
}
|
||||
buf.WriteString("\r\n")
|
||||
if len(body) > 0 {
|
||||
buf.WriteString(body + "\r\n\r\n")
|
||||
} else {
|
||||
buf.WriteString("User-Agent: ")
|
||||
buf.WriteString(userAgent[rand.Intn(len(userAgent))])
|
||||
buf.WriteString("\r\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\nAccept-Language: en-US,en;q=0.8\r\nAccept-Encoding: gzip, deflate\r\n")
|
||||
if c.post {
|
||||
packBoundary(buf)
|
||||
}
|
||||
buf.WriteString("DNT: 1\r\nConnection: keep-alive\r\n\r\n")
|
||||
}
|
||||
buf.Write(b)
|
||||
_, err := c.Conn.Write(buf.Bytes())
|
||||
if err != nil {
|
||||
return 0, nil
|
||||
}
|
||||
c.hasSentHeader = true
|
||||
return bLength, nil
|
||||
}
|
||||
|
||||
func packURLEncodedHeadData(buf *bytes.Buffer, data []byte) {
|
||||
dataLength := len(data)
|
||||
for i := 0; i < dataLength; i++ {
|
||||
buf.WriteRune('%')
|
||||
buf.WriteString(hex.EncodeToString(data[i : i+1]))
|
||||
}
|
||||
}
|
||||
|
||||
func packBoundary(buf *bytes.Buffer) {
|
||||
buf.WriteString("Content-Type: multipart/form-data; boundary=")
|
||||
set := "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
|
||||
for i := 0; i < 32; i++ {
|
||||
ret = fmt.Sprintf("%s%c", ret, set[rand.Intn(len(set))])
|
||||
buf.WriteByte(set[rand.Intn(62)])
|
||||
}
|
||||
return
|
||||
buf.WriteString("\r\n")
|
||||
}
|
||||
|
||||
var (
|
||||
requestPath = []string{
|
||||
"", "",
|
||||
"login.php?redir=", "",
|
||||
"register.php?code=", "",
|
||||
"?keyword=", "",
|
||||
"search?src=typd&q=", "&lang=en",
|
||||
"s?ie=utf-8&f=8&rsv_bp=1&rsv_idx=1&ch=&bar=&wd=", "&rn=",
|
||||
"post.php?id=", "&goto=view.php",
|
||||
}
|
||||
requestUserAgent = []string{
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 7.0; Moto C Build/NRD90M.059) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 5.1.1; SM-J120M Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 7.0; Moto G (5) Build/NPPS25.137-93-14) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 7.0; SM-G570M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 5.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0; CAM-L03 Build/HUAWEICAM-L03) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7",
|
||||
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
|
||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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||||
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|
||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.109 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 5.1; HUAWEI CUN-L22 Build/HUAWEICUN-L22; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 5.1.1; A37fw Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 7.0; SM-J730GM Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.111 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 7.0; SM-G610F Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.111 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
|
||||
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|
||||
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
|
||||
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|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Unknown; Linux) AppleWebKit/538.1 (KHTML, like Gecko) Chrome/v1.0.0 Safari/538.1",
|
||||
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|
||||
"Mozilla/5.0 (Linux; Android 7.0; SM-J710F Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.91 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 7.1.1; CPH1723 Build/N6F26Q) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.98 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.118 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.94 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36",
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||||
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|
||||
"Mozilla/5.0 (Windows; U; Windows NT 6.1; de-DE) AppleWebKit/534.17 (KHTML, like Gecko) Chrome/10.0.649.0 Safari/534.17",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
|
||||
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|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Unknown; Linux) AppleWebKit/538.1 (KHTML, like Gecko) Chrome/v1.0.0 Safari/538.1",
|
||||
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|
||||
"Mozilla/5.0 (Linux; Android 7.0; SM-J710F Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Mobile Safari/537.36",
|
||||
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|
||||
"Mozilla/5.0 (Linux; Android 7.1.1; CPH1723 Build/N6F26Q) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.98 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.118 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.94 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 8.0.0; FIG-LX3 Build/HUAWEIFIG-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows; U; Windows NT 6.1; de-DE) AppleWebKit/534.17 (KHTML, like Gecko) Chrome/10.0.649.0 Safari/534.17",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36",
|
||||
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|
||||
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|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
|
||||
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|
||||
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|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
|
||||
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|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.99 Safari/533.4",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.111 Safari/537.36 MVisionPlayer/1.0.0.0",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 5.1; A37f Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.93 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0.1; CPH1607 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36",
|
||||
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0.1; vivo 1603 Build/MMB29M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.83 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0.1; Redmi 4A Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.116 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
|
||||
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.71 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.64 Safari/537.31",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532G Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.83 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.109 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.131 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0; vivo 1713 Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
|
||||
}
|
||||
|
||||
@ -3,7 +3,7 @@ package obfs
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"strings"
|
||||
"net"
|
||||
)
|
||||
|
||||
var (
|
||||
@ -12,26 +12,31 @@ var (
|
||||
errTLS12TicketAuthHMACError = errors.New("tls1.2_ticket_auth hmac verifying failed")
|
||||
)
|
||||
|
||||
// Obfs provides methods for decoding and encoding
|
||||
type authData struct {
|
||||
clientID [32]byte
|
||||
}
|
||||
|
||||
type Obfs interface {
|
||||
initForConn() Obfs
|
||||
GetObfsOverhead() int
|
||||
Decode(b []byte) ([]byte, bool, error)
|
||||
Encode(b []byte) ([]byte, error)
|
||||
StreamConn(net.Conn) net.Conn
|
||||
}
|
||||
|
||||
type obfsCreator func(b *Base) Obfs
|
||||
|
||||
var obfsList = make(map[string]obfsCreator)
|
||||
var obfsList = make(map[string]struct {
|
||||
overhead int
|
||||
new obfsCreator
|
||||
})
|
||||
|
||||
func register(name string, c obfsCreator) {
|
||||
obfsList[name] = c
|
||||
func register(name string, c obfsCreator, o int) {
|
||||
obfsList[name] = struct {
|
||||
overhead int
|
||||
new obfsCreator
|
||||
}{overhead: o, new: c}
|
||||
}
|
||||
|
||||
// PickObfs returns an obfs of the given name
|
||||
func PickObfs(name string, b *Base) (Obfs, error) {
|
||||
if obfsCreator, ok := obfsList[strings.ToLower(name)]; ok {
|
||||
return obfsCreator(b), nil
|
||||
func PickObfs(name string, b *Base) (Obfs, int, error) {
|
||||
if choice, ok := obfsList[name]; ok {
|
||||
return choice.new(b), choice.overhead, nil
|
||||
}
|
||||
return nil, fmt.Errorf("Obfs %s not supported", name)
|
||||
return nil, 0, fmt.Errorf("Obfs %s not supported", name)
|
||||
}
|
||||
|
||||
@ -1,25 +1,15 @@
|
||||
package obfs
|
||||
|
||||
import "net"
|
||||
|
||||
type plain struct{}
|
||||
|
||||
func init() {
|
||||
register("plain", newPlain)
|
||||
register("plain", newPlain, 0)
|
||||
}
|
||||
|
||||
func newPlain(b *Base) Obfs {
|
||||
return &plain{}
|
||||
}
|
||||
|
||||
func (p *plain) initForConn() Obfs { return &plain{} }
|
||||
|
||||
func (p *plain) GetObfsOverhead() int {
|
||||
return 0
|
||||
}
|
||||
|
||||
func (p *plain) Encode(b []byte) ([]byte, error) {
|
||||
return b, nil
|
||||
}
|
||||
|
||||
func (p *plain) Decode(b []byte) ([]byte, bool, error) {
|
||||
return b, false, nil
|
||||
}
|
||||
func (p *plain) StreamConn(c net.Conn) net.Conn { return c }
|
||||
|
||||
@ -4,72 +4,68 @@ import (
|
||||
"encoding/binary"
|
||||
"hash/crc32"
|
||||
"math/rand"
|
||||
"net"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("random_head", newRandomHead, 0)
|
||||
}
|
||||
|
||||
type randomHead struct {
|
||||
*Base
|
||||
firstRequest bool
|
||||
firstResponse bool
|
||||
headerSent bool
|
||||
buffer []byte
|
||||
}
|
||||
|
||||
func init() {
|
||||
register("random_head", newRandomHead)
|
||||
}
|
||||
|
||||
func newRandomHead(b *Base) Obfs {
|
||||
return &randomHead{Base: b}
|
||||
}
|
||||
|
||||
func (r *randomHead) initForConn() Obfs {
|
||||
return &randomHead{
|
||||
Base: r.Base,
|
||||
firstRequest: true,
|
||||
firstResponse: true,
|
||||
}
|
||||
type randomHeadConn struct {
|
||||
net.Conn
|
||||
*randomHead
|
||||
hasSentHeader bool
|
||||
rawTransSent bool
|
||||
rawTransRecv bool
|
||||
buf []byte
|
||||
}
|
||||
|
||||
func (r *randomHead) GetObfsOverhead() int {
|
||||
return 0
|
||||
func (r *randomHead) StreamConn(c net.Conn) net.Conn {
|
||||
return &randomHeadConn{Conn: c, randomHead: r}
|
||||
}
|
||||
|
||||
func (r *randomHead) Encode(b []byte) (encoded []byte, err error) {
|
||||
if !r.firstRequest {
|
||||
return b, nil
|
||||
func (c *randomHeadConn) Read(b []byte) (int, error) {
|
||||
if c.rawTransRecv {
|
||||
return c.Conn.Read(b)
|
||||
}
|
||||
|
||||
bSize := len(b)
|
||||
if r.headerSent {
|
||||
if bSize > 0 {
|
||||
d := make([]byte, len(r.buffer)+bSize)
|
||||
copy(d, r.buffer)
|
||||
copy(d[len(r.buffer):], b)
|
||||
r.buffer = d
|
||||
} else {
|
||||
encoded = r.buffer
|
||||
r.buffer = nil
|
||||
r.firstRequest = false
|
||||
}
|
||||
} else {
|
||||
size := rand.Intn(96) + 8
|
||||
encoded = make([]byte, size)
|
||||
rand.Read(encoded)
|
||||
crc := (0xFFFFFFFF - crc32.ChecksumIEEE(encoded[:size-4])) & 0xFFFFFFFF
|
||||
binary.LittleEndian.PutUint32(encoded[size-4:], crc)
|
||||
|
||||
d := make([]byte, bSize)
|
||||
copy(d, b)
|
||||
r.buffer = d
|
||||
}
|
||||
r.headerSent = true
|
||||
return encoded, nil
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
defer pool.Put(buf)
|
||||
c.Conn.Read(buf)
|
||||
c.rawTransRecv = true
|
||||
c.Write(nil)
|
||||
return 0, nil
|
||||
}
|
||||
|
||||
func (r *randomHead) Decode(b []byte) ([]byte, bool, error) {
|
||||
if r.firstResponse {
|
||||
r.firstResponse = false
|
||||
return b, true, nil
|
||||
func (c *randomHeadConn) Write(b []byte) (int, error) {
|
||||
if c.rawTransSent {
|
||||
return c.Conn.Write(b)
|
||||
}
|
||||
return b, false, nil
|
||||
c.buf = append(c.buf, b...)
|
||||
if !c.hasSentHeader {
|
||||
c.hasSentHeader = true
|
||||
dataLength := rand.Intn(96) + 4
|
||||
buf := pool.Get(dataLength + 4)
|
||||
defer pool.Put(buf)
|
||||
rand.Read(buf[:dataLength])
|
||||
binary.LittleEndian.PutUint32(buf[dataLength:], 0xffffffff-crc32.ChecksumIEEE(buf[:dataLength]))
|
||||
_, err := c.Conn.Write(buf)
|
||||
return len(b), err
|
||||
}
|
||||
if c.rawTransRecv {
|
||||
_, err := c.Conn.Write(c.buf)
|
||||
c.buf = nil
|
||||
c.rawTransSent = true
|
||||
return len(b), err
|
||||
}
|
||||
return len(b), nil
|
||||
}
|
||||
|
||||
@ -1,72 +0,0 @@
|
||||
package obfs
|
||||
|
||||
import (
|
||||
"net"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
)
|
||||
|
||||
// NewConn wraps a stream-oriented net.Conn with obfs decoding/encoding
|
||||
func NewConn(c net.Conn, o Obfs) net.Conn {
|
||||
return &Conn{Conn: c, Obfs: o.initForConn()}
|
||||
}
|
||||
|
||||
// Conn represents an obfs connection
|
||||
type Conn struct {
|
||||
net.Conn
|
||||
Obfs
|
||||
buf []byte
|
||||
offset int
|
||||
}
|
||||
|
||||
func (c *Conn) Read(b []byte) (int, error) {
|
||||
if c.buf != nil {
|
||||
n := copy(b, c.buf[c.offset:])
|
||||
c.offset += n
|
||||
if c.offset == len(c.buf) {
|
||||
pool.Put(c.buf)
|
||||
c.buf = nil
|
||||
}
|
||||
return n, nil
|
||||
}
|
||||
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
defer pool.Put(buf)
|
||||
n, err := c.Conn.Read(buf)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
decoded, sendback, err := c.Decode(buf[:n])
|
||||
// decoded may be part of buf
|
||||
decodedData := pool.Get(len(decoded))
|
||||
copy(decodedData, decoded)
|
||||
if err != nil {
|
||||
pool.Put(decodedData)
|
||||
return 0, err
|
||||
}
|
||||
if sendback {
|
||||
c.Write(nil)
|
||||
pool.Put(decodedData)
|
||||
return 0, nil
|
||||
}
|
||||
n = copy(b, decodedData)
|
||||
if len(decodedData) > len(b) {
|
||||
c.buf = decodedData
|
||||
c.offset = n
|
||||
} else {
|
||||
pool.Put(decodedData)
|
||||
}
|
||||
return n, err
|
||||
}
|
||||
|
||||
func (c *Conn) Write(b []byte) (int, error) {
|
||||
encoded, err := c.Encode(b)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
_, err = c.Conn.Write(encoded)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
return len(b), nil
|
||||
}
|
||||
231
component/ssr/obfs/tls1.2_ticket_auth.go
Normal file
231
component/ssr/obfs/tls1.2_ticket_auth.go
Normal file
@ -0,0 +1,231 @@
|
||||
package obfs
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/hmac"
|
||||
"encoding/binary"
|
||||
"math/rand"
|
||||
"net"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/component/ssr/tools"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("tls1.2_ticket_auth", newTLS12Ticket, 5)
|
||||
register("tls1.2_ticket_fastauth", newTLS12Ticket, 5)
|
||||
}
|
||||
|
||||
type tls12Ticket struct {
|
||||
*Base
|
||||
*authData
|
||||
}
|
||||
|
||||
func newTLS12Ticket(b *Base) Obfs {
|
||||
r := &tls12Ticket{Base: b, authData: &authData{}}
|
||||
rand.Read(r.clientID[:])
|
||||
return r
|
||||
}
|
||||
|
||||
type tls12TicketConn struct {
|
||||
net.Conn
|
||||
*tls12Ticket
|
||||
handshakeStatus int
|
||||
decoded bytes.Buffer
|
||||
underDecoded bytes.Buffer
|
||||
sendBuf bytes.Buffer
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) StreamConn(c net.Conn) net.Conn {
|
||||
return &tls12TicketConn{Conn: c, tls12Ticket: t}
|
||||
}
|
||||
|
||||
func (c *tls12TicketConn) Read(b []byte) (int, error) {
|
||||
if c.decoded.Len() > 0 {
|
||||
return c.decoded.Read(b)
|
||||
}
|
||||
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
defer pool.Put(buf)
|
||||
n, err := c.Conn.Read(buf)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
|
||||
if c.handshakeStatus == 8 {
|
||||
c.underDecoded.Write(buf[:n])
|
||||
for c.underDecoded.Len() > 5 {
|
||||
if !bytes.Equal(c.underDecoded.Bytes()[:3], []byte{0x17, 3, 3}) {
|
||||
c.underDecoded.Reset()
|
||||
return 0, errTLS12TicketAuthIncorrectMagicNumber
|
||||
}
|
||||
size := int(binary.BigEndian.Uint16(c.underDecoded.Bytes()[3:5]))
|
||||
if c.underDecoded.Len() < 5+size {
|
||||
break
|
||||
}
|
||||
c.underDecoded.Next(5)
|
||||
c.decoded.Write(c.underDecoded.Next(size))
|
||||
}
|
||||
n, _ = c.decoded.Read(b)
|
||||
return n, nil
|
||||
}
|
||||
|
||||
if n < 11+32+1+32 {
|
||||
return 0, errTLS12TicketAuthTooShortData
|
||||
}
|
||||
|
||||
if !hmac.Equal(buf[33:43], c.hmacSHA1(buf[11:33])[:10]) || !hmac.Equal(buf[n-10:n], c.hmacSHA1(buf[:n-10])[:10]) {
|
||||
return 0, errTLS12TicketAuthHMACError
|
||||
}
|
||||
|
||||
c.Write(nil)
|
||||
return 0, nil
|
||||
}
|
||||
|
||||
func (c *tls12TicketConn) Write(b []byte) (int, error) {
|
||||
length := len(b)
|
||||
if c.handshakeStatus == 8 {
|
||||
buf := tools.BufPool.Get().(*bytes.Buffer)
|
||||
defer tools.BufPool.Put(buf)
|
||||
defer buf.Reset()
|
||||
for len(b) > 2048 {
|
||||
size := rand.Intn(4096) + 100
|
||||
if len(b) < size {
|
||||
size = len(b)
|
||||
}
|
||||
packData(buf, b[:size])
|
||||
b = b[size:]
|
||||
}
|
||||
if len(b) > 0 {
|
||||
packData(buf, b)
|
||||
}
|
||||
_, err := c.Conn.Write(buf.Bytes())
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
return length, nil
|
||||
}
|
||||
|
||||
if len(b) > 0 {
|
||||
packData(&c.sendBuf, b)
|
||||
}
|
||||
|
||||
if c.handshakeStatus == 0 {
|
||||
c.handshakeStatus = 1
|
||||
|
||||
data := tools.BufPool.Get().(*bytes.Buffer)
|
||||
defer tools.BufPool.Put(data)
|
||||
defer data.Reset()
|
||||
|
||||
data.Write([]byte{3, 3})
|
||||
c.packAuthData(data)
|
||||
data.WriteByte(0x20)
|
||||
data.Write(c.clientID[:])
|
||||
data.Write([]byte{0x00, 0x1c, 0xc0, 0x2b, 0xc0, 0x2f, 0xcc, 0xa9, 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13, 0xc0, 0x0a, 0xc0, 0x14, 0xc0, 0x09, 0xc0, 0x13, 0x00, 0x9c, 0x00, 0x35, 0x00, 0x2f, 0x00, 0x0a})
|
||||
data.Write([]byte{0x1, 0x0})
|
||||
|
||||
ext := tools.BufPool.Get().(*bytes.Buffer)
|
||||
defer tools.BufPool.Put(ext)
|
||||
defer ext.Reset()
|
||||
|
||||
host := c.getHost()
|
||||
ext.Write([]byte{0xff, 0x01, 0x00, 0x01, 0x00})
|
||||
packSNIData(ext, host)
|
||||
ext.Write([]byte{0, 0x17, 0, 0})
|
||||
c.packTicketBuf(ext, host)
|
||||
ext.Write([]byte{0x00, 0x0d, 0x00, 0x16, 0x00, 0x14, 0x06, 0x01, 0x06, 0x03, 0x05, 0x01, 0x05, 0x03, 0x04, 0x01, 0x04, 0x03, 0x03, 0x01, 0x03, 0x03, 0x02, 0x01, 0x02, 0x03})
|
||||
ext.Write([]byte{0x00, 0x05, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00})
|
||||
ext.Write([]byte{0x00, 0x12, 0x00, 0x00})
|
||||
ext.Write([]byte{0x75, 0x50, 0x00, 0x00})
|
||||
ext.Write([]byte{0x00, 0x0b, 0x00, 0x02, 0x01, 0x00})
|
||||
ext.Write([]byte{0x00, 0x0a, 0x00, 0x06, 0x00, 0x04, 0x00, 0x17, 0x00, 0x18})
|
||||
|
||||
binary.Write(data, binary.BigEndian, uint16(ext.Len()))
|
||||
data.ReadFrom(ext)
|
||||
|
||||
ret := tools.BufPool.Get().(*bytes.Buffer)
|
||||
defer tools.BufPool.Put(ret)
|
||||
defer ret.Reset()
|
||||
|
||||
ret.Write([]byte{0x16, 3, 1})
|
||||
binary.Write(ret, binary.BigEndian, uint16(data.Len()+4))
|
||||
ret.Write([]byte{1, 0})
|
||||
binary.Write(ret, binary.BigEndian, uint16(data.Len()))
|
||||
ret.ReadFrom(data)
|
||||
|
||||
_, err := c.Conn.Write(ret.Bytes())
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
return length, nil
|
||||
} else if c.handshakeStatus == 1 && len(b) == 0 {
|
||||
buf := tools.BufPool.Get().(*bytes.Buffer)
|
||||
defer tools.BufPool.Put(buf)
|
||||
defer buf.Reset()
|
||||
|
||||
buf.Write([]byte{0x14, 3, 3, 0, 1, 1, 0x16, 3, 3, 0, 0x20})
|
||||
tools.AppendRandBytes(buf, 22)
|
||||
buf.Write(c.hmacSHA1(buf.Bytes())[:10])
|
||||
buf.ReadFrom(&c.sendBuf)
|
||||
|
||||
c.handshakeStatus = 8
|
||||
|
||||
_, err := c.Conn.Write(buf.Bytes())
|
||||
return 0, err
|
||||
}
|
||||
return length, nil
|
||||
}
|
||||
|
||||
func packData(buf *bytes.Buffer, data []byte) {
|
||||
buf.Write([]byte{0x17, 3, 3})
|
||||
binary.Write(buf, binary.BigEndian, uint16(len(data)))
|
||||
buf.Write(data)
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) packAuthData(buf *bytes.Buffer) {
|
||||
binary.Write(buf, binary.BigEndian, uint32(time.Now().Unix()))
|
||||
tools.AppendRandBytes(buf, 18)
|
||||
buf.Write(t.hmacSHA1(buf.Bytes()[buf.Len()-22:])[:10])
|
||||
}
|
||||
|
||||
func packSNIData(buf *bytes.Buffer, u string) {
|
||||
len := uint16(len(u))
|
||||
buf.Write([]byte{0, 0})
|
||||
binary.Write(buf, binary.BigEndian, len+5)
|
||||
binary.Write(buf, binary.BigEndian, len+3)
|
||||
buf.WriteByte(0)
|
||||
binary.Write(buf, binary.BigEndian, len)
|
||||
buf.WriteString(u)
|
||||
}
|
||||
|
||||
func (c *tls12TicketConn) packTicketBuf(buf *bytes.Buffer, u string) {
|
||||
length := 16 * (rand.Intn(17) + 8)
|
||||
buf.Write([]byte{0, 0x23})
|
||||
binary.Write(buf, binary.BigEndian, uint16(length))
|
||||
tools.AppendRandBytes(buf, length)
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) hmacSHA1(data []byte) []byte {
|
||||
key := pool.Get(len(t.Key) + 32)
|
||||
defer pool.Put(key)
|
||||
copy(key, t.Key)
|
||||
copy(key[len(t.Key):], t.clientID[:])
|
||||
|
||||
sha1Data := tools.HmacSHA1(key, data)
|
||||
return sha1Data[:10]
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) getHost() string {
|
||||
host := t.Param
|
||||
if len(host) == 0 {
|
||||
host = t.Host
|
||||
}
|
||||
if len(host) > 0 && host[len(host)-1] >= '0' && host[len(host)-1] <= '9' {
|
||||
host = ""
|
||||
}
|
||||
hosts := strings.Split(host, ",")
|
||||
host = hosts[rand.Intn(len(hosts))]
|
||||
return host
|
||||
}
|
||||
@ -1,290 +0,0 @@
|
||||
package obfs
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/hmac"
|
||||
"encoding/binary"
|
||||
"fmt"
|
||||
"io"
|
||||
"math/rand"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/component/ssr/tools"
|
||||
"github.com/Dreamacro/clash/log"
|
||||
)
|
||||
|
||||
type tlsAuthData struct {
|
||||
localClientID [32]byte
|
||||
}
|
||||
|
||||
type tls12Ticket struct {
|
||||
*Base
|
||||
*tlsAuthData
|
||||
handshakeStatus int
|
||||
sendSaver bytes.Buffer
|
||||
recvBuffer bytes.Buffer
|
||||
buffer bytes.Buffer
|
||||
}
|
||||
|
||||
func init() {
|
||||
register("tls1.2_ticket_auth", newTLS12Ticket)
|
||||
register("tls1.2_ticket_fastauth", newTLS12Ticket)
|
||||
}
|
||||
|
||||
func newTLS12Ticket(b *Base) Obfs {
|
||||
return &tls12Ticket{
|
||||
Base: b,
|
||||
}
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) initForConn() Obfs {
|
||||
r := &tls12Ticket{
|
||||
Base: t.Base,
|
||||
tlsAuthData: &tlsAuthData{},
|
||||
}
|
||||
rand.Read(r.localClientID[:])
|
||||
return r
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) GetObfsOverhead() int {
|
||||
return 5
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) Decode(b []byte) ([]byte, bool, error) {
|
||||
if t.handshakeStatus == -1 {
|
||||
return b, false, nil
|
||||
}
|
||||
t.buffer.Reset()
|
||||
if t.handshakeStatus == 8 {
|
||||
t.recvBuffer.Write(b)
|
||||
for t.recvBuffer.Len() > 5 {
|
||||
var h [5]byte
|
||||
t.recvBuffer.Read(h[:])
|
||||
if !bytes.Equal(h[:3], []byte{0x17, 0x3, 0x3}) {
|
||||
log.Warnln("incorrect magic number %x, 0x170303 is expected", h[:3])
|
||||
return nil, false, errTLS12TicketAuthIncorrectMagicNumber
|
||||
}
|
||||
size := int(binary.BigEndian.Uint16(h[3:5]))
|
||||
if t.recvBuffer.Len() < size {
|
||||
// 不够读，下回再读吧
|
||||
unread := t.recvBuffer.Bytes()
|
||||
t.recvBuffer.Reset()
|
||||
t.recvBuffer.Write(h[:])
|
||||
t.recvBuffer.Write(unread)
|
||||
break
|
||||
}
|
||||
d := pool.Get(size)
|
||||
t.recvBuffer.Read(d)
|
||||
t.buffer.Write(d)
|
||||
pool.Put(d)
|
||||
}
|
||||
return t.buffer.Bytes(), false, nil
|
||||
}
|
||||
|
||||
if len(b) < 11+32+1+32 {
|
||||
return nil, false, errTLS12TicketAuthTooShortData
|
||||
}
|
||||
|
||||
hash := t.hmacSHA1(b[11 : 11+22])
|
||||
|
||||
if !hmac.Equal(b[33:33+tools.HmacSHA1Len], hash) {
|
||||
return nil, false, errTLS12TicketAuthHMACError
|
||||
}
|
||||
return nil, true, nil
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) Encode(b []byte) ([]byte, error) {
|
||||
t.buffer.Reset()
|
||||
switch t.handshakeStatus {
|
||||
case 8:
|
||||
if len(b) < 1024 {
|
||||
d := []byte{0x17, 0x3, 0x3, 0, 0}
|
||||
binary.BigEndian.PutUint16(d[3:5], uint16(len(b)&0xFFFF))
|
||||
t.buffer.Write(d)
|
||||
t.buffer.Write(b)
|
||||
return t.buffer.Bytes(), nil
|
||||
}
|
||||
start := 0
|
||||
var l int
|
||||
for len(b)-start > 2048 {
|
||||
l = rand.Intn(4096) + 100
|
||||
if l > len(b)-start {
|
||||
l = len(b) - start
|
||||
}
|
||||
packData(&t.buffer, b[start:start+l])
|
||||
start += l
|
||||
}
|
||||
if len(b)-start > 0 {
|
||||
l = len(b) - start
|
||||
packData(&t.buffer, b[start:start+l])
|
||||
}
|
||||
return t.buffer.Bytes(), nil
|
||||
case 1:
|
||||
if len(b) > 0 {
|
||||
if len(b) < 1024 {
|
||||
packData(&t.sendSaver, b)
|
||||
} else {
|
||||
start := 0
|
||||
var l int
|
||||
for len(b)-start > 2048 {
|
||||
l = rand.Intn(4096) + 100
|
||||
if l > len(b)-start {
|
||||
l = len(b) - start
|
||||
}
|
||||
packData(&t.buffer, b[start:start+l])
|
||||
start += l
|
||||
}
|
||||
if len(b)-start > 0 {
|
||||
l = len(b) - start
|
||||
packData(&t.buffer, b[start:start+l])
|
||||
}
|
||||
io.Copy(&t.sendSaver, &t.buffer)
|
||||
}
|
||||
return []byte{}, nil
|
||||
}
|
||||
hmacData := make([]byte, 43)
|
||||
handshakeFinish := []byte("\x14\x03\x03\x00\x01\x01\x16\x03\x03\x00\x20")
|
||||
copy(hmacData, handshakeFinish)
|
||||
rand.Read(hmacData[11:33])
|
||||
h := t.hmacSHA1(hmacData[:33])
|
||||
copy(hmacData[33:], h)
|
||||
t.buffer.Write(hmacData)
|
||||
io.Copy(&t.buffer, &t.sendSaver)
|
||||
t.handshakeStatus = 8
|
||||
return t.buffer.Bytes(), nil
|
||||
case 0:
|
||||
tlsData0 := []byte("\x00\x1c\xc0\x2b\xc0\x2f\xcc\xa9\xcc\xa8\xcc\x14\xcc\x13\xc0\x0a\xc0\x14\xc0\x09\xc0\x13\x00\x9c\x00\x35\x00\x2f\x00\x0a\x01\x00")
|
||||
tlsData1 := []byte("\xff\x01\x00\x01\x00")
|
||||
tlsData2 := []byte("\x00\x17\x00\x00\x00\x23\x00\xd0")
|
||||
// tlsData3 := []byte("\x00\x0d\x00\x16\x00\x14\x06\x01\x06\x03\x05\x01\x05\x03\x04\x01\x04\x03\x03\x01\x03\x03\x02\x01\x02\x03\x00\x05\x00\x05\x01\x00\x00\x00\x00\x00\x12\x00\x00\x75\x50\x00\x00\x00\x0b\x00\x02\x01\x00\x00\x0a\x00\x06\x00\x04\x00\x17\x00\x18\x00\x15\x00\x66\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00")
|
||||
tlsData3 := []byte("\x00\x0d\x00\x16\x00\x14\x06\x01\x06\x03\x05\x01\x05\x03\x04\x01\x04\x03\x03\x01\x03\x03\x02\x01\x02\x03\x00\x05\x00\x05\x01\x00\x00\x00\x00\x00\x12\x00\x00\x75\x50\x00\x00\x00\x0b\x00\x02\x01\x00\x00\x0a\x00\x06\x00\x04\x00\x17\x00\x18")
|
||||
|
||||
var tlsData [2048]byte
|
||||
tlsDataLen := 0
|
||||
copy(tlsData[0:], tlsData1)
|
||||
tlsDataLen += len(tlsData1)
|
||||
sni := t.sni(t.getHost())
|
||||
copy(tlsData[tlsDataLen:], sni)
|
||||
tlsDataLen += len(sni)
|
||||
copy(tlsData[tlsDataLen:], tlsData2)
|
||||
tlsDataLen += len(tlsData2)
|
||||
ticketLen := rand.Intn(164)*2 + 64
|
||||
tlsData[tlsDataLen-1] = uint8(ticketLen & 0xff)
|
||||
tlsData[tlsDataLen-2] = uint8(ticketLen >> 8)
|
||||
//ticketLen := 208
|
||||
rand.Read(tlsData[tlsDataLen : tlsDataLen+ticketLen])
|
||||
tlsDataLen += ticketLen
|
||||
copy(tlsData[tlsDataLen:], tlsData3)
|
||||
tlsDataLen += len(tlsData3)
|
||||
|
||||
length := 11 + 32 + 1 + 32 + len(tlsData0) + 2 + tlsDataLen
|
||||
encodedData := make([]byte, length)
|
||||
pdata := length - tlsDataLen
|
||||
l := tlsDataLen
|
||||
copy(encodedData[pdata:], tlsData[:tlsDataLen])
|
||||
encodedData[pdata-1] = uint8(tlsDataLen)
|
||||
encodedData[pdata-2] = uint8(tlsDataLen >> 8)
|
||||
pdata -= 2
|
||||
l += 2
|
||||
copy(encodedData[pdata-len(tlsData0):], tlsData0)
|
||||
pdata -= len(tlsData0)
|
||||
l += len(tlsData0)
|
||||
copy(encodedData[pdata-32:], t.localClientID[:])
|
||||
pdata -= 32
|
||||
l += 32
|
||||
encodedData[pdata-1] = 0x20
|
||||
pdata--
|
||||
l++
|
||||
copy(encodedData[pdata-32:], t.packAuthData())
|
||||
pdata -= 32
|
||||
l += 32
|
||||
encodedData[pdata-1] = 0x3
|
||||
encodedData[pdata-2] = 0x3 // tls version
|
||||
pdata -= 2
|
||||
l += 2
|
||||
encodedData[pdata-1] = uint8(l)
|
||||
encodedData[pdata-2] = uint8(l >> 8)
|
||||
encodedData[pdata-3] = 0
|
||||
encodedData[pdata-4] = 1
|
||||
pdata -= 4
|
||||
l += 4
|
||||
encodedData[pdata-1] = uint8(l)
|
||||
encodedData[pdata-2] = uint8(l >> 8)
|
||||
pdata -= 2
|
||||
l += 2
|
||||
encodedData[pdata-1] = 0x1
|
||||
encodedData[pdata-2] = 0x3 // tls version
|
||||
pdata -= 2
|
||||
l += 2
|
||||
encodedData[pdata-1] = 0x16 // tls handshake
|
||||
pdata--
|
||||
l++
|
||||
packData(&t.sendSaver, b)
|
||||
t.handshakeStatus = 1
|
||||
return encodedData, nil
|
||||
default:
|
||||
return nil, fmt.Errorf("unexpected handshake status: %d", t.handshakeStatus)
|
||||
}
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) hmacSHA1(data []byte) []byte {
|
||||
key := make([]byte, len(t.Key)+32)
|
||||
copy(key, t.Key)
|
||||
copy(key[len(t.Key):], t.localClientID[:])
|
||||
|
||||
sha1Data := tools.HmacSHA1(key, data)
|
||||
return sha1Data[:tools.HmacSHA1Len]
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) sni(u string) []byte {
|
||||
bURL := []byte(u)
|
||||
length := len(bURL)
|
||||
ret := make([]byte, length+9)
|
||||
copy(ret[9:9+length], bURL)
|
||||
binary.BigEndian.PutUint16(ret[7:], uint16(length&0xFFFF))
|
||||
length += 3
|
||||
binary.BigEndian.PutUint16(ret[4:], uint16(length&0xFFFF))
|
||||
length += 2
|
||||
binary.BigEndian.PutUint16(ret[2:], uint16(length&0xFFFF))
|
||||
return ret
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) getHost() string {
|
||||
host := t.Host
|
||||
if len(t.Param) > 0 {
|
||||
hosts := strings.Split(t.Param, ",")
|
||||
if len(hosts) > 0 {
|
||||
|
||||
host = hosts[rand.Intn(len(hosts))]
|
||||
host = strings.TrimSpace(host)
|
||||
}
|
||||
}
|
||||
if len(host) > 0 && host[len(host)-1] >= byte('0') && host[len(host)-1] <= byte('9') && len(t.Param) == 0 {
|
||||
host = ""
|
||||
}
|
||||
return host
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) packAuthData() (ret []byte) {
|
||||
retSize := 32
|
||||
ret = make([]byte, retSize)
|
||||
|
||||
now := time.Now().Unix()
|
||||
binary.BigEndian.PutUint32(ret[:4], uint32(now))
|
||||
|
||||
rand.Read(ret[4 : 4+18])
|
||||
|
||||
hash := t.hmacSHA1(ret[:retSize-tools.HmacSHA1Len])
|
||||
copy(ret[retSize-tools.HmacSHA1Len:], hash)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func packData(buffer *bytes.Buffer, suffix []byte) {
|
||||
d := []byte{0x17, 0x3, 0x3, 0, 0}
|
||||
binary.BigEndian.PutUint16(d[3:5], uint16(len(suffix)&0xFFFF))
|
||||
buffer.Write(d)
|
||||
buffer.Write(suffix)
|
||||
}
|
||||
@ -1,310 +1,18 @@
|
||||
package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/aes"
|
||||
"crypto/cipher"
|
||||
"encoding/base64"
|
||||
"encoding/binary"
|
||||
"math/rand"
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/component/ssr/tools"
|
||||
"github.com/Dreamacro/go-shadowsocks2/core"
|
||||
)
|
||||
|
||||
type authAES128 struct {
|
||||
*Base
|
||||
*recvInfo
|
||||
*authData
|
||||
hasSentHeader bool
|
||||
packID uint32
|
||||
userKey []byte
|
||||
uid [4]byte
|
||||
salt string
|
||||
hmac hmacMethod
|
||||
hashDigest hashDigestMethod
|
||||
}
|
||||
import "github.com/Dreamacro/clash/component/ssr/tools"
|
||||
|
||||
func init() {
|
||||
register("auth_aes128_md5", newAuthAES128MD5)
|
||||
register("auth_aes128_md5", newAuthAES128MD5, 9)
|
||||
}
|
||||
|
||||
func newAuthAES128MD5(b *Base) Protocol {
|
||||
return &authAES128{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
salt: "auth_aes128_md5",
|
||||
hmac: tools.HmacMD5,
|
||||
hashDigest: tools.MD5Sum,
|
||||
a := &authAES128{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
authAES128Function: &authAES128Function{salt: "auth_aes128_md5", hmac: tools.HmacMD5, hashDigest: tools.MD5Sum},
|
||||
userData: &userData{},
|
||||
}
|
||||
}
|
||||
|
||||
func (a *authAES128) initForConn(iv []byte) Protocol {
|
||||
return &authAES128{
|
||||
Base: &Base{
|
||||
IV: iv,
|
||||
Key: a.Key,
|
||||
TCPMss: a.TCPMss,
|
||||
Overhead: a.Overhead,
|
||||
Param: a.Param,
|
||||
},
|
||||
recvInfo: &recvInfo{recvID: 1, buffer: new(bytes.Buffer)},
|
||||
authData: a.authData,
|
||||
packID: 1,
|
||||
salt: a.salt,
|
||||
hmac: a.hmac,
|
||||
hashDigest: a.hashDigest,
|
||||
}
|
||||
}
|
||||
|
||||
func (a *authAES128) GetProtocolOverhead() int {
|
||||
return 9
|
||||
}
|
||||
|
||||
func (a *authAES128) SetOverhead(overhead int) {
|
||||
a.Overhead = overhead
|
||||
}
|
||||
|
||||
func (a *authAES128) Decode(b []byte) ([]byte, int, error) {
|
||||
a.buffer.Reset()
|
||||
bSize := len(b)
|
||||
readSize := 0
|
||||
key := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(key)
|
||||
copy(key, a.userKey)
|
||||
for bSize > 4 {
|
||||
binary.LittleEndian.PutUint32(key[len(key)-4:], a.recvID)
|
||||
|
||||
h := a.hmac(key, b[:2])
|
||||
if !bytes.Equal(h[:2], b[2:4]) {
|
||||
return nil, 0, errAuthAES128IncorrectMAC
|
||||
}
|
||||
|
||||
length := int(binary.LittleEndian.Uint16(b[:2]))
|
||||
if length >= 8192 || length < 8 {
|
||||
return nil, 0, errAuthAES128DataLengthError
|
||||
}
|
||||
if length > bSize {
|
||||
break
|
||||
}
|
||||
|
||||
h = a.hmac(key, b[:length-4])
|
||||
if !bytes.Equal(h[:4], b[length-4:length]) {
|
||||
return nil, 0, errAuthAES128IncorrectChecksum
|
||||
}
|
||||
|
||||
a.recvID++
|
||||
pos := int(b[4])
|
||||
if pos < 255 {
|
||||
pos += 4
|
||||
} else {
|
||||
pos = int(binary.LittleEndian.Uint16(b[5:7])) + 4
|
||||
}
|
||||
|
||||
if pos > length-4 {
|
||||
return nil, 0, errAuthAES128PositionTooLarge
|
||||
}
|
||||
a.buffer.Write(b[pos : length-4])
|
||||
b = b[length:]
|
||||
bSize -= length
|
||||
readSize += length
|
||||
}
|
||||
return a.buffer.Bytes(), readSize, nil
|
||||
}
|
||||
|
||||
func (a *authAES128) Encode(b []byte) ([]byte, error) {
|
||||
a.buffer.Reset()
|
||||
bSize := len(b)
|
||||
offset := 0
|
||||
if bSize > 0 && !a.hasSentHeader {
|
||||
authSize := bSize
|
||||
if authSize > 1200 {
|
||||
authSize = 1200
|
||||
}
|
||||
a.hasSentHeader = true
|
||||
a.buffer.Write(a.packAuthData(b[:authSize]))
|
||||
bSize -= authSize
|
||||
offset += authSize
|
||||
}
|
||||
const blockSize = 4096
|
||||
for bSize > blockSize {
|
||||
packSize, randSize := a.packedDataSize(b[offset : offset+blockSize])
|
||||
pack := pool.Get(packSize)
|
||||
a.packData(b[offset:offset+blockSize], pack, randSize)
|
||||
a.buffer.Write(pack)
|
||||
pool.Put(pack)
|
||||
bSize -= blockSize
|
||||
offset += blockSize
|
||||
}
|
||||
if bSize > 0 {
|
||||
packSize, randSize := a.packedDataSize(b[offset:])
|
||||
pack := pool.Get(packSize)
|
||||
a.packData(b[offset:], pack, randSize)
|
||||
a.buffer.Write(pack)
|
||||
pool.Put(pack)
|
||||
}
|
||||
return a.buffer.Bytes(), nil
|
||||
}
|
||||
|
||||
func (a *authAES128) DecodePacket(b []byte) ([]byte, int, error) {
|
||||
bSize := len(b)
|
||||
h := a.hmac(a.Key, b[:bSize-4])
|
||||
if !bytes.Equal(h[:4], b[bSize-4:]) {
|
||||
return nil, 0, errAuthAES128IncorrectMAC
|
||||
}
|
||||
return b[:bSize-4], bSize - 4, nil
|
||||
}
|
||||
|
||||
func (a *authAES128) EncodePacket(b []byte) ([]byte, error) {
|
||||
a.initUserKeyAndID()
|
||||
|
||||
var buf bytes.Buffer
|
||||
buf.Write(b)
|
||||
buf.Write(a.uid[:])
|
||||
h := a.hmac(a.userKey, buf.Bytes())
|
||||
buf.Write(h[:4])
|
||||
return buf.Bytes(), nil
|
||||
}
|
||||
|
||||
func (a *authAES128) initUserKeyAndID() {
|
||||
if a.userKey == nil {
|
||||
params := strings.Split(a.Param, ":")
|
||||
if len(params) >= 2 {
|
||||
if userID, err := strconv.ParseUint(params[0], 10, 32); err == nil {
|
||||
binary.LittleEndian.PutUint32(a.uid[:], uint32(userID))
|
||||
a.userKey = a.hashDigest([]byte(params[1]))
|
||||
}
|
||||
}
|
||||
|
||||
if a.userKey == nil {
|
||||
rand.Read(a.uid[:])
|
||||
a.userKey = make([]byte, len(a.Key))
|
||||
copy(a.userKey, a.Key)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (a *authAES128) packedDataSize(data []byte) (packSize, randSize int) {
|
||||
dataSize := len(data)
|
||||
randSize = 1
|
||||
if dataSize <= 1200 {
|
||||
if a.packID > 4 {
|
||||
randSize += rand.Intn(32)
|
||||
} else {
|
||||
if dataSize > 900 {
|
||||
randSize += rand.Intn(128)
|
||||
} else {
|
||||
randSize += rand.Intn(512)
|
||||
}
|
||||
}
|
||||
}
|
||||
packSize = randSize + dataSize + 8
|
||||
return
|
||||
}
|
||||
|
||||
func (a *authAES128) packData(data, ret []byte, randSize int) {
|
||||
dataSize := len(data)
|
||||
retSize := len(ret)
|
||||
// 0~1, ret_size
|
||||
binary.LittleEndian.PutUint16(ret[0:], uint16(retSize&0xFFFF))
|
||||
// 2~3, hmac
|
||||
key := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(key)
|
||||
copy(key, a.userKey)
|
||||
binary.LittleEndian.PutUint32(key[len(key)-4:], a.packID)
|
||||
h := a.hmac(key, ret[:2])
|
||||
copy(ret[2:4], h[:2])
|
||||
// 4~rand_size+4, rand number
|
||||
rand.Read(ret[4 : 4+randSize])
|
||||
// 4, rand_size
|
||||
if randSize < 128 {
|
||||
ret[4] = byte(randSize & 0xFF)
|
||||
} else {
|
||||
// 4, magic number 0xFF
|
||||
ret[4] = 0xFF
|
||||
// 5~6, rand_size
|
||||
binary.LittleEndian.PutUint16(ret[5:], uint16(randSize&0xFFFF))
|
||||
}
|
||||
// rand_size+4~ret_size-4, data
|
||||
if dataSize > 0 {
|
||||
copy(ret[randSize+4:], data)
|
||||
}
|
||||
a.packID++
|
||||
h = a.hmac(key, ret[:retSize-4])
|
||||
copy(ret[retSize-4:], h[:4])
|
||||
}
|
||||
|
||||
func (a *authAES128) packAuthData(data []byte) (ret []byte) {
|
||||
dataSize := len(data)
|
||||
var randSize int
|
||||
|
||||
if dataSize > 400 {
|
||||
randSize = rand.Intn(512)
|
||||
} else {
|
||||
randSize = rand.Intn(1024)
|
||||
}
|
||||
|
||||
dataOffset := randSize + 16 + 4 + 4 + 7
|
||||
retSize := dataOffset + dataSize + 4
|
||||
ret = make([]byte, retSize)
|
||||
encrypt := make([]byte, 24)
|
||||
key := make([]byte, len(a.IV)+len(a.Key))
|
||||
copy(key, a.IV)
|
||||
copy(key[len(a.IV):], a.Key)
|
||||
|
||||
rand.Read(ret[dataOffset-randSize:])
|
||||
a.mutex.Lock()
|
||||
defer a.mutex.Unlock()
|
||||
a.connectionID++
|
||||
if a.connectionID > 0xFF000000 {
|
||||
a.clientID = nil
|
||||
}
|
||||
if len(a.clientID) == 0 {
|
||||
a.clientID = make([]byte, 8)
|
||||
rand.Read(a.clientID)
|
||||
b := make([]byte, 4)
|
||||
rand.Read(b)
|
||||
a.connectionID = binary.LittleEndian.Uint32(b) & 0xFFFFFF
|
||||
}
|
||||
copy(encrypt[4:], a.clientID)
|
||||
binary.LittleEndian.PutUint32(encrypt[8:], a.connectionID)
|
||||
|
||||
now := time.Now().Unix()
|
||||
binary.LittleEndian.PutUint32(encrypt[:4], uint32(now))
|
||||
|
||||
binary.LittleEndian.PutUint16(encrypt[12:], uint16(retSize&0xFFFF))
|
||||
binary.LittleEndian.PutUint16(encrypt[14:], uint16(randSize&0xFFFF))
|
||||
|
||||
a.initUserKeyAndID()
|
||||
|
||||
aesCipherKey := core.Kdf(base64.StdEncoding.EncodeToString(a.userKey)+a.salt, 16)
|
||||
block, err := aes.NewCipher(aesCipherKey)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
encryptData := make([]byte, 16)
|
||||
iv := make([]byte, aes.BlockSize)
|
||||
cbc := cipher.NewCBCEncrypter(block, iv)
|
||||
cbc.CryptBlocks(encryptData, encrypt[:16])
|
||||
copy(encrypt[:4], a.uid[:])
|
||||
copy(encrypt[4:4+16], encryptData)
|
||||
|
||||
h := a.hmac(key, encrypt[:20])
|
||||
copy(encrypt[20:], h[:4])
|
||||
|
||||
rand.Read(ret[:1])
|
||||
h = a.hmac(key, ret[:1])
|
||||
copy(ret[1:], h[:7-1])
|
||||
|
||||
copy(ret[7:], encrypt)
|
||||
copy(ret[dataOffset:], data)
|
||||
|
||||
h = a.hmac(a.userKey, ret[:retSize-4])
|
||||
copy(ret[retSize-4:], h[:4])
|
||||
|
||||
return
|
||||
a.initUserData()
|
||||
return a
|
||||
}
|
||||
|
||||
@ -2,21 +2,274 @@ package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
"math"
|
||||
"math/rand"
|
||||
"net"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/component/ssr/tools"
|
||||
"github.com/Dreamacro/clash/log"
|
||||
)
|
||||
|
||||
type hmacMethod func(key, data []byte) []byte
|
||||
type hashDigestMethod func([]byte) []byte
|
||||
|
||||
func init() {
|
||||
register("auth_aes128_sha1", newAuthAES128SHA1)
|
||||
register("auth_aes128_sha1", newAuthAES128SHA1, 9)
|
||||
}
|
||||
|
||||
type authAES128Function struct {
|
||||
salt string
|
||||
hmac hmacMethod
|
||||
hashDigest hashDigestMethod
|
||||
}
|
||||
|
||||
type authAES128 struct {
|
||||
*Base
|
||||
*authData
|
||||
*authAES128Function
|
||||
*userData
|
||||
iv []byte
|
||||
hasSentHeader bool
|
||||
rawTrans bool
|
||||
packID uint32
|
||||
recvID uint32
|
||||
}
|
||||
|
||||
func newAuthAES128SHA1(b *Base) Protocol {
|
||||
return &authAES128{
|
||||
Base: b,
|
||||
recvInfo: &recvInfo{buffer: new(bytes.Buffer)},
|
||||
authData: &authData{},
|
||||
salt: "auth_aes128_sha1",
|
||||
hmac: tools.HmacSHA1,
|
||||
hashDigest: tools.SHA1Sum,
|
||||
a := &authAES128{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
authAES128Function: &authAES128Function{salt: "auth_aes128_sha1", hmac: tools.HmacSHA1, hashDigest: tools.SHA1Sum},
|
||||
userData: &userData{},
|
||||
}
|
||||
a.initUserData()
|
||||
return a
|
||||
}
|
||||
|
||||
func (a *authAES128) initUserData() {
|
||||
params := strings.Split(a.Param, ":")
|
||||
if len(params) > 1 {
|
||||
if userID, err := strconv.ParseUint(params[0], 10, 32); err == nil {
|
||||
binary.LittleEndian.PutUint32(a.userID[:], uint32(userID))
|
||||
a.userKey = a.hashDigest([]byte(params[1]))
|
||||
} else {
|
||||
log.Warnln("Wrong protocol-param for %s, only digits are expected before ':'", a.salt)
|
||||
}
|
||||
}
|
||||
if len(a.userKey) == 0 {
|
||||
a.userKey = a.Key
|
||||
rand.Read(a.userID[:])
|
||||
}
|
||||
}
|
||||
|
||||
func (a *authAES128) StreamConn(c net.Conn, iv []byte) net.Conn {
|
||||
p := &authAES128{
|
||||
Base: a.Base,
|
||||
authData: a.next(),
|
||||
authAES128Function: a.authAES128Function,
|
||||
userData: a.userData,
|
||||
packID: 1,
|
||||
recvID: 1,
|
||||
}
|
||||
p.iv = iv
|
||||
return &Conn{Conn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authAES128) PacketConn(c net.PacketConn) net.PacketConn {
|
||||
p := &authAES128{
|
||||
Base: a.Base,
|
||||
authAES128Function: a.authAES128Function,
|
||||
userData: a.userData,
|
||||
}
|
||||
return &PacketConn{PacketConn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authAES128) Decode(dst, src *bytes.Buffer) error {
|
||||
if a.rawTrans {
|
||||
dst.ReadFrom(src)
|
||||
return nil
|
||||
}
|
||||
for src.Len() > 4 {
|
||||
macKey := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.userKey)
|
||||
binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.recvID)
|
||||
if !bytes.Equal(a.hmac(macKey, src.Bytes()[:2])[:2], src.Bytes()[2:4]) {
|
||||
src.Reset()
|
||||
return errAuthAES128MACError
|
||||
}
|
||||
|
||||
length := int(binary.LittleEndian.Uint16(src.Bytes()[:2]))
|
||||
if length >= 8192 || length < 7 {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthAES128LengthError
|
||||
}
|
||||
if length > src.Len() {
|
||||
break
|
||||
}
|
||||
|
||||
if !bytes.Equal(a.hmac(macKey, src.Bytes()[:length-4])[:4], src.Bytes()[length-4:length]) {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthAES128ChksumError
|
||||
}
|
||||
|
||||
a.recvID++
|
||||
|
||||
pos := int(src.Bytes()[4])
|
||||
if pos < 255 {
|
||||
pos += 4
|
||||
} else {
|
||||
pos = int(binary.LittleEndian.Uint16(src.Bytes()[5:7])) + 4
|
||||
}
|
||||
dst.Write(src.Bytes()[pos : length-4])
|
||||
src.Next(length)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authAES128) Encode(buf *bytes.Buffer, b []byte) error {
|
||||
fullDataLength := len(b)
|
||||
if !a.hasSentHeader {
|
||||
dataLength := getDataLength(b)
|
||||
a.packAuthData(buf, b[:dataLength])
|
||||
b = b[dataLength:]
|
||||
a.hasSentHeader = true
|
||||
}
|
||||
for len(b) > 8100 {
|
||||
a.packData(buf, b[:8100], fullDataLength)
|
||||
b = b[8100:]
|
||||
}
|
||||
if len(b) > 0 {
|
||||
a.packData(buf, b, fullDataLength)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authAES128) DecodePacket(b []byte) ([]byte, error) {
|
||||
if !bytes.Equal(a.hmac(a.Key, b[:len(b)-4])[:4], b[len(b)-4:]) {
|
||||
return nil, errAuthAES128ChksumError
|
||||
}
|
||||
return b[:len(b)-4], nil
|
||||
}
|
||||
|
||||
func (a *authAES128) EncodePacket(buf *bytes.Buffer, b []byte) error {
|
||||
buf.Write(b)
|
||||
buf.Write(a.userID[:])
|
||||
buf.Write(a.hmac(a.userKey, buf.Bytes())[:4])
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authAES128) packData(poolBuf *bytes.Buffer, data []byte, fullDataLength int) {
|
||||
dataLength := len(data)
|
||||
randDataLength := a.getRandDataLengthForPackData(dataLength, fullDataLength)
|
||||
/*
|
||||
2: uint16 LittleEndian packedDataLength
|
||||
2: hmac of packedDataLength
|
||||
3: maxRandDataLengthPrefix (min:1)
|
||||
4: hmac of packedData except the last 4 bytes
|
||||
*/
|
||||
packedDataLength := 2 + 2 + 3 + randDataLength + dataLength + 4
|
||||
if randDataLength < 128 {
|
||||
packedDataLength -= 2
|
||||
}
|
||||
|
||||
macKey := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.userKey)
|
||||
binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.packID)
|
||||
a.packID++
|
||||
|
||||
binary.Write(poolBuf, binary.LittleEndian, uint16(packedDataLength))
|
||||
poolBuf.Write(a.hmac(macKey, poolBuf.Bytes()[poolBuf.Len()-2:])[:2])
|
||||
a.packRandData(poolBuf, randDataLength)
|
||||
poolBuf.Write(data)
|
||||
poolBuf.Write(a.hmac(macKey, poolBuf.Bytes()[poolBuf.Len()-packedDataLength+4:])[:4])
|
||||
}
|
||||
|
||||
func trapezoidRandom(max int, d float64) int {
|
||||
base := rand.Float64()
|
||||
if d-0 > 1e-6 {
|
||||
a := 1 - d
|
||||
base = (math.Sqrt(a*a+4*d*base) - a) / (2 * d)
|
||||
}
|
||||
return int(base * float64(max))
|
||||
}
|
||||
|
||||
func (a *authAES128) getRandDataLengthForPackData(dataLength, fullDataLength int) int {
|
||||
if fullDataLength >= 32*1024-a.Overhead {
|
||||
return 0
|
||||
}
|
||||
// 1460: tcp_mss
|
||||
revLength := 1460 - dataLength - 9
|
||||
if revLength == 0 {
|
||||
return 0
|
||||
}
|
||||
if revLength < 0 {
|
||||
if revLength > -1460 {
|
||||
return trapezoidRandom(revLength+1460, -0.3)
|
||||
}
|
||||
return rand.Intn(32)
|
||||
}
|
||||
if dataLength > 900 {
|
||||
return rand.Intn(revLength)
|
||||
}
|
||||
return trapezoidRandom(revLength, -0.3)
|
||||
}
|
||||
|
||||
func (a *authAES128) packAuthData(poolBuf *bytes.Buffer, data []byte) {
|
||||
if len(data) == 0 {
|
||||
return
|
||||
}
|
||||
dataLength := len(data)
|
||||
randDataLength := a.getRandDataLengthForPackAuthData(dataLength)
|
||||
/*
|
||||
7: checkHead(1) and hmac of checkHead(6)
|
||||
4: userID
|
||||
16: encrypted data of authdata(12), uint16 BigEndian packedDataLength(2) and uint16 BigEndian randDataLength(2)
|
||||
4: hmac of userID and encrypted data
|
||||
4: hmac of packedAuthData except the last 4 bytes
|
||||
*/
|
||||
packedAuthDataLength := 7 + 4 + 16 + 4 + randDataLength + dataLength + 4
|
||||
|
||||
macKey := pool.Get(len(a.iv) + len(a.Key))
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.iv)
|
||||
copy(macKey[len(a.iv):], a.Key)
|
||||
|
||||
poolBuf.WriteByte(byte(rand.Intn(256)))
|
||||
poolBuf.Write(a.hmac(macKey, poolBuf.Bytes())[:6])
|
||||
poolBuf.Write(a.userID[:])
|
||||
err := a.authData.putEncryptedData(poolBuf, a.userKey, [2]int{packedAuthDataLength, randDataLength}, a.salt)
|
||||
if err != nil {
|
||||
poolBuf.Reset()
|
||||
return
|
||||
}
|
||||
poolBuf.Write(a.hmac(macKey, poolBuf.Bytes()[7:])[:4])
|
||||
tools.AppendRandBytes(poolBuf, randDataLength)
|
||||
poolBuf.Write(data)
|
||||
poolBuf.Write(a.hmac(a.userKey, poolBuf.Bytes())[:4])
|
||||
}
|
||||
|
||||
func (a *authAES128) getRandDataLengthForPackAuthData(size int) int {
|
||||
if size > 400 {
|
||||
return rand.Intn(512)
|
||||
}
|
||||
return rand.Intn(1024)
|
||||
}
|
||||
|
||||
func (a *authAES128) packRandData(poolBuf *bytes.Buffer, size int) {
|
||||
if size < 128 {
|
||||
poolBuf.WriteByte(byte(size + 1))
|
||||
tools.AppendRandBytes(poolBuf, size)
|
||||
return
|
||||
}
|
||||
poolBuf.WriteByte(255)
|
||||
binary.Write(poolBuf, binary.LittleEndian, uint16(size+3))
|
||||
tools.AppendRandBytes(poolBuf, size)
|
||||
}
|
||||
|
||||
@ -2,426 +2,308 @@ package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/aes"
|
||||
"crypto/cipher"
|
||||
"crypto/rand"
|
||||
"crypto/rc4"
|
||||
"encoding/base64"
|
||||
"encoding/binary"
|
||||
"math/rand"
|
||||
"net"
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/component/ssr/tools"
|
||||
"github.com/Dreamacro/clash/log"
|
||||
"github.com/Dreamacro/go-shadowsocks2/core"
|
||||
)
|
||||
|
||||
type authChain struct {
|
||||
*Base
|
||||
*recvInfo
|
||||
*authData
|
||||
randomClient shift128PlusContext
|
||||
randomServer shift128PlusContext
|
||||
enc cipher.Stream
|
||||
dec cipher.Stream
|
||||
headerSent bool
|
||||
lastClientHash []byte
|
||||
lastServerHash []byte
|
||||
userKey []byte
|
||||
uid [4]byte
|
||||
salt string
|
||||
hmac hmacMethod
|
||||
hashDigest hashDigestMethod
|
||||
rnd rndMethod
|
||||
dataSizeList []int
|
||||
dataSizeList2 []int
|
||||
chunkID uint32
|
||||
func init() {
|
||||
register("auth_chain_a", newAuthChainA, 4)
|
||||
}
|
||||
|
||||
func init() {
|
||||
register("auth_chain_a", newAuthChainA)
|
||||
type randDataLengthMethod func(int, []byte, *tools.XorShift128Plus) int
|
||||
|
||||
type authChainA struct {
|
||||
*Base
|
||||
*authData
|
||||
*userData
|
||||
iv []byte
|
||||
salt string
|
||||
hasSentHeader bool
|
||||
rawTrans bool
|
||||
lastClientHash []byte
|
||||
lastServerHash []byte
|
||||
encrypter cipher.Stream
|
||||
decrypter cipher.Stream
|
||||
randomClient tools.XorShift128Plus
|
||||
randomServer tools.XorShift128Plus
|
||||
randDataLength randDataLengthMethod
|
||||
packID uint32
|
||||
recvID uint32
|
||||
}
|
||||
|
||||
func newAuthChainA(b *Base) Protocol {
|
||||
return &authChain{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
salt: "auth_chain_a",
|
||||
hmac: tools.HmacMD5,
|
||||
hashDigest: tools.SHA1Sum,
|
||||
rnd: authChainAGetRandLen,
|
||||
a := &authChainA{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
userData: &userData{},
|
||||
salt: "auth_chain_a",
|
||||
}
|
||||
a.initUserData()
|
||||
return a
|
||||
}
|
||||
|
||||
func (a *authChain) initForConn(iv []byte) Protocol {
|
||||
r := &authChain{
|
||||
Base: &Base{
|
||||
IV: iv,
|
||||
Key: a.Key,
|
||||
TCPMss: a.TCPMss,
|
||||
Overhead: a.Overhead,
|
||||
Param: a.Param,
|
||||
},
|
||||
recvInfo: &recvInfo{recvID: 1, buffer: new(bytes.Buffer)},
|
||||
authData: a.authData,
|
||||
salt: a.salt,
|
||||
hmac: a.hmac,
|
||||
hashDigest: a.hashDigest,
|
||||
rnd: a.rnd,
|
||||
}
|
||||
if r.salt == "auth_chain_b" {
|
||||
initDataSize(r)
|
||||
}
|
||||
return r
|
||||
}
|
||||
|
||||
func (a *authChain) GetProtocolOverhead() int {
|
||||
return 4
|
||||
}
|
||||
|
||||
func (a *authChain) SetOverhead(overhead int) {
|
||||
a.Overhead = overhead
|
||||
}
|
||||
|
||||
func (a *authChain) Decode(b []byte) ([]byte, int, error) {
|
||||
a.buffer.Reset()
|
||||
key := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(key)
|
||||
readSize := 0
|
||||
copy(key, a.userKey)
|
||||
for len(b) > 4 {
|
||||
binary.LittleEndian.PutUint32(key[len(a.userKey):], a.recvID)
|
||||
dataLen := (int)((uint(b[1]^a.lastServerHash[15]) << 8) + uint(b[0]^a.lastServerHash[14]))
|
||||
randLen := a.getServerRandLen(dataLen, a.Overhead)
|
||||
length := randLen + dataLen
|
||||
if length >= 4096 {
|
||||
return nil, 0, errAuthChainDataLengthError
|
||||
func (a *authChainA) initUserData() {
|
||||
params := strings.Split(a.Param, ":")
|
||||
if len(params) > 1 {
|
||||
if userID, err := strconv.ParseUint(params[0], 10, 32); err == nil {
|
||||
binary.LittleEndian.PutUint32(a.userID[:], uint32(userID))
|
||||
a.userKey = []byte(params[1])
|
||||
} else {
|
||||
log.Warnln("Wrong protocol-param for %s, only digits are expected before ':'", a.salt)
|
||||
}
|
||||
length += 4
|
||||
if length > len(b) {
|
||||
}
|
||||
if len(a.userKey) == 0 {
|
||||
a.userKey = a.Key
|
||||
rand.Read(a.userID[:])
|
||||
}
|
||||
}
|
||||
|
||||
func (a *authChainA) StreamConn(c net.Conn, iv []byte) net.Conn {
|
||||
p := &authChainA{
|
||||
Base: a.Base,
|
||||
authData: a.next(),
|
||||
userData: a.userData,
|
||||
salt: a.salt,
|
||||
packID: 1,
|
||||
recvID: 1,
|
||||
}
|
||||
p.iv = iv
|
||||
p.randDataLength = p.getRandLength
|
||||
return &Conn{Conn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authChainA) PacketConn(c net.PacketConn) net.PacketConn {
|
||||
p := &authChainA{
|
||||
Base: a.Base,
|
||||
salt: a.salt,
|
||||
userData: a.userData,
|
||||
}
|
||||
return &PacketConn{PacketConn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authChainA) Decode(dst, src *bytes.Buffer) error {
|
||||
if a.rawTrans {
|
||||
dst.ReadFrom(src)
|
||||
return nil
|
||||
}
|
||||
for src.Len() > 4 {
|
||||
macKey := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.userKey)
|
||||
binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.recvID)
|
||||
|
||||
dataLength := int(binary.LittleEndian.Uint16(src.Bytes()[:2]) ^ binary.LittleEndian.Uint16(a.lastServerHash[14:16]))
|
||||
randDataLength := a.randDataLength(dataLength, a.lastServerHash, &a.randomServer)
|
||||
length := dataLength + randDataLength
|
||||
|
||||
if length >= 4096 {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthChainLengthError
|
||||
}
|
||||
|
||||
if 4+length > src.Len() {
|
||||
break
|
||||
}
|
||||
|
||||
hash := a.hmac(key, b[:length-2])
|
||||
if !bytes.Equal(hash[:2], b[length-2:length]) {
|
||||
return nil, 0, errAuthChainHMACError
|
||||
serverHash := tools.HmacMD5(macKey, src.Bytes()[:length+2])
|
||||
if !bytes.Equal(serverHash[:2], src.Bytes()[length+2:length+4]) {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthChainChksumError
|
||||
}
|
||||
var dataPos int
|
||||
if dataLen > 0 && randLen > 0 {
|
||||
dataPos = 2 + getRandStartPos(&a.randomServer, randLen)
|
||||
} else {
|
||||
dataPos = 2
|
||||
a.lastServerHash = serverHash
|
||||
|
||||
pos := 2
|
||||
if dataLength > 0 && randDataLength > 0 {
|
||||
pos += getRandStartPos(randDataLength, &a.randomServer)
|
||||
}
|
||||
d := pool.Get(dataLen)
|
||||
a.dec.XORKeyStream(d, b[dataPos:dataPos+dataLen])
|
||||
a.buffer.Write(d)
|
||||
pool.Put(d)
|
||||
wantedData := src.Bytes()[pos : pos+dataLength]
|
||||
a.decrypter.XORKeyStream(wantedData, wantedData)
|
||||
if a.recvID == 1 {
|
||||
a.TCPMss = int(binary.LittleEndian.Uint16(a.buffer.Next(2)))
|
||||
dst.Write(wantedData[2:])
|
||||
} else {
|
||||
dst.Write(wantedData)
|
||||
}
|
||||
a.lastServerHash = hash
|
||||
a.recvID++
|
||||
b = b[length:]
|
||||
readSize += length
|
||||
src.Next(length + 4)
|
||||
}
|
||||
return a.buffer.Bytes(), readSize, nil
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authChain) Encode(b []byte) ([]byte, error) {
|
||||
a.buffer.Reset()
|
||||
bSize := len(b)
|
||||
offset := 0
|
||||
if bSize > 0 && !a.headerSent {
|
||||
headSize := 1200
|
||||
if headSize > bSize {
|
||||
headSize = bSize
|
||||
}
|
||||
a.buffer.Write(a.packAuthData(b[:headSize]))
|
||||
offset += headSize
|
||||
bSize -= headSize
|
||||
a.headerSent = true
|
||||
func (a *authChainA) Encode(buf *bytes.Buffer, b []byte) error {
|
||||
if !a.hasSentHeader {
|
||||
dataLength := getDataLength(b)
|
||||
a.packAuthData(buf, b[:dataLength])
|
||||
b = b[dataLength:]
|
||||
a.hasSentHeader = true
|
||||
}
|
||||
var unitSize = a.TCPMss - a.Overhead
|
||||
for bSize > unitSize {
|
||||
dataLen, randLength := a.packedDataLen(b[offset : offset+unitSize])
|
||||
d := pool.Get(dataLen)
|
||||
a.packData(d, b[offset:offset+unitSize], randLength)
|
||||
a.buffer.Write(d)
|
||||
pool.Put(d)
|
||||
bSize -= unitSize
|
||||
offset += unitSize
|
||||
for len(b) > 2800 {
|
||||
a.packData(buf, b[:2800])
|
||||
b = b[2800:]
|
||||
}
|
||||
if bSize > 0 {
|
||||
dataLen, randLength := a.packedDataLen(b[offset:])
|
||||
d := pool.Get(dataLen)
|
||||
a.packData(d, b[offset:], randLength)
|
||||
a.buffer.Write(d)
|
||||
pool.Put(d)
|
||||
if len(b) > 0 {
|
||||
a.packData(buf, b)
|
||||
}
|
||||
return a.buffer.Bytes(), nil
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authChain) DecodePacket(b []byte) ([]byte, int, error) {
|
||||
bSize := len(b)
|
||||
if bSize < 9 {
|
||||
return nil, 0, errAuthChainDataLengthError
|
||||
func (a *authChainA) DecodePacket(b []byte) ([]byte, error) {
|
||||
if len(b) < 9 {
|
||||
return nil, errAuthChainLengthError
|
||||
}
|
||||
h := a.hmac(a.userKey, b[:bSize-1])
|
||||
if h[0] != b[bSize-1] {
|
||||
return nil, 0, errAuthChainHMACError
|
||||
if !bytes.Equal(tools.HmacMD5(a.userKey, b[:len(b)-1])[:1], b[len(b)-1:]) {
|
||||
return nil, errAuthChainChksumError
|
||||
}
|
||||
hash := a.hmac(a.Key, b[bSize-8:bSize-1])
|
||||
cipherKey := a.getRC4CipherKey(hash)
|
||||
dec, _ := rc4.NewCipher(cipherKey)
|
||||
randLength := udpGetRandLen(&a.randomServer, hash)
|
||||
bSize -= 8 + randLength
|
||||
dec.XORKeyStream(b, b[:bSize])
|
||||
return b, bSize, nil
|
||||
md5Data := tools.HmacMD5(a.Key, b[len(b)-8:len(b)-1])
|
||||
|
||||
randDataLength := udpGetRandLength(md5Data, &a.randomServer)
|
||||
|
||||
key := core.Kdf(base64.StdEncoding.EncodeToString(a.userKey)+base64.StdEncoding.EncodeToString(md5Data), 16)
|
||||
rc4Cipher, err := rc4.NewCipher(key)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
wantedData := b[:len(b)-8-randDataLength]
|
||||
rc4Cipher.XORKeyStream(wantedData, wantedData)
|
||||
return wantedData, nil
|
||||
}
|
||||
|
||||
func (a *authChain) EncodePacket(b []byte) ([]byte, error) {
|
||||
a.initUserKeyAndID()
|
||||
func (a *authChainA) EncodePacket(buf *bytes.Buffer, b []byte) error {
|
||||
authData := pool.Get(3)
|
||||
defer pool.Put(authData)
|
||||
rand.Read(authData)
|
||||
hash := a.hmac(a.Key, authData)
|
||||
uid := pool.Get(4)
|
||||
defer pool.Put(uid)
|
||||
for i := 0; i < 4; i++ {
|
||||
uid[i] = a.uid[i] ^ hash[i]
|
||||
}
|
||||
|
||||
cipherKey := a.getRC4CipherKey(hash)
|
||||
enc, _ := rc4.NewCipher(cipherKey)
|
||||
var buf bytes.Buffer
|
||||
enc.XORKeyStream(b, b)
|
||||
md5Data := tools.HmacMD5(a.Key, authData)
|
||||
|
||||
randDataLength := udpGetRandLength(md5Data, &a.randomClient)
|
||||
|
||||
key := core.Kdf(base64.StdEncoding.EncodeToString(a.userKey)+base64.StdEncoding.EncodeToString(md5Data), 16)
|
||||
rc4Cipher, err := rc4.NewCipher(key)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
rc4Cipher.XORKeyStream(b, b)
|
||||
|
||||
buf.Write(b)
|
||||
|
||||
randLength := udpGetRandLen(&a.randomClient, hash)
|
||||
randBytes := pool.Get(randLength)
|
||||
defer pool.Put(randBytes)
|
||||
buf.Write(randBytes)
|
||||
|
||||
tools.AppendRandBytes(buf, randDataLength)
|
||||
buf.Write(authData)
|
||||
buf.Write(uid)
|
||||
|
||||
h := a.hmac(a.userKey, buf.Bytes())
|
||||
buf.Write(h[:1])
|
||||
return buf.Bytes(), nil
|
||||
binary.Write(buf, binary.LittleEndian, binary.LittleEndian.Uint32(a.userID[:])^binary.LittleEndian.Uint32(md5Data[:4]))
|
||||
buf.Write(tools.HmacMD5(a.userKey, buf.Bytes())[:1])
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authChain) getRC4CipherKey(hash []byte) []byte {
|
||||
base64UserKey := base64.StdEncoding.EncodeToString(a.userKey)
|
||||
return a.calcRC4CipherKey(hash, base64UserKey)
|
||||
}
|
||||
func (a *authChainA) packAuthData(poolBuf *bytes.Buffer, data []byte) {
|
||||
/*
|
||||
dataLength := len(data)
|
||||
12: checkHead(4) and hmac of checkHead(8)
|
||||
4: uint32 LittleEndian uid (uid = userID ^ last client hash)
|
||||
16: encrypted data of authdata(12), uint16 LittleEndian overhead(2) and uint16 LittleEndian number zero(2)
|
||||
4: last server hash(4)
|
||||
packedAuthDataLength := 12 + 4 + 16 + 4 + dataLength
|
||||
*/
|
||||
|
||||
func (a *authChain) calcRC4CipherKey(hash []byte, base64UserKey string) []byte {
|
||||
password := pool.Get(len(base64UserKey) + base64.StdEncoding.EncodedLen(16))
|
||||
defer pool.Put(password)
|
||||
copy(password, base64UserKey)
|
||||
base64.StdEncoding.Encode(password[len(base64UserKey):], hash[:16])
|
||||
return core.Kdf(string(password), 16)
|
||||
}
|
||||
macKey := pool.Get(len(a.iv) + len(a.Key))
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.iv)
|
||||
copy(macKey[len(a.iv):], a.Key)
|
||||
|
||||
func (a *authChain) initUserKeyAndID() {
|
||||
if a.userKey == nil {
|
||||
params := strings.Split(a.Param, ":")
|
||||
if len(params) >= 2 {
|
||||
if userID, err := strconv.ParseUint(params[0], 10, 32); err == nil {
|
||||
binary.LittleEndian.PutUint32(a.uid[:], uint32(userID))
|
||||
a.userKey = []byte(params[1])[:len(a.userKey)]
|
||||
}
|
||||
}
|
||||
|
||||
if a.userKey == nil {
|
||||
rand.Read(a.uid[:])
|
||||
a.userKey = make([]byte, len(a.Key))
|
||||
copy(a.userKey, a.Key)
|
||||
}
|
||||
// check head
|
||||
tools.AppendRandBytes(poolBuf, 4)
|
||||
a.lastClientHash = tools.HmacMD5(macKey, poolBuf.Bytes())
|
||||
a.initRC4Cipher()
|
||||
poolBuf.Write(a.lastClientHash[:8])
|
||||
// uid
|
||||
binary.Write(poolBuf, binary.LittleEndian, binary.LittleEndian.Uint32(a.userID[:])^binary.LittleEndian.Uint32(a.lastClientHash[8:12]))
|
||||
// encrypted data
|
||||
err := a.putEncryptedData(poolBuf, a.userKey, [2]int{a.Overhead, 0}, a.salt)
|
||||
if err != nil {
|
||||
poolBuf.Reset()
|
||||
return
|
||||
}
|
||||
// last server hash
|
||||
a.lastServerHash = tools.HmacMD5(a.userKey, poolBuf.Bytes()[12:])
|
||||
poolBuf.Write(a.lastServerHash[:4])
|
||||
// packed data
|
||||
a.packData(poolBuf, data)
|
||||
}
|
||||
|
||||
func (a *authChain) getClientRandLen(dataLength int, overhead int) int {
|
||||
return a.rnd(dataLength, &a.randomClient, a.lastClientHash, a.dataSizeList, a.dataSizeList2, overhead)
|
||||
func (a *authChainA) packData(poolBuf *bytes.Buffer, data []byte) {
|
||||
a.encrypter.XORKeyStream(data, data)
|
||||
|
||||
macKey := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.userKey)
|
||||
binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.packID)
|
||||
a.packID++
|
||||
|
||||
length := uint16(len(data)) ^ binary.LittleEndian.Uint16(a.lastClientHash[14:16])
|
||||
|
||||
originalLength := poolBuf.Len()
|
||||
binary.Write(poolBuf, binary.LittleEndian, length)
|
||||
a.putMixedRandDataAndData(poolBuf, data)
|
||||
a.lastClientHash = tools.HmacMD5(macKey, poolBuf.Bytes()[originalLength:])
|
||||
poolBuf.Write(a.lastClientHash[:2])
|
||||
}
|
||||
|
||||
func (a *authChain) getServerRandLen(dataLength int, overhead int) int {
|
||||
return a.rnd(dataLength, &a.randomServer, a.lastServerHash, a.dataSizeList, a.dataSizeList2, overhead)
|
||||
func (a *authChainA) putMixedRandDataAndData(poolBuf *bytes.Buffer, data []byte) {
|
||||
randDataLength := a.randDataLength(len(data), a.lastClientHash, &a.randomClient)
|
||||
if len(data) == 0 {
|
||||
tools.AppendRandBytes(poolBuf, randDataLength)
|
||||
return
|
||||
}
|
||||
if randDataLength > 0 {
|
||||
startPos := getRandStartPos(randDataLength, &a.randomClient)
|
||||
tools.AppendRandBytes(poolBuf, startPos)
|
||||
poolBuf.Write(data)
|
||||
tools.AppendRandBytes(poolBuf, randDataLength-startPos)
|
||||
return
|
||||
}
|
||||
poolBuf.Write(data)
|
||||
}
|
||||
|
||||
func (a *authChain) packedDataLen(data []byte) (chunkLength, randLength int) {
|
||||
dataLength := len(data)
|
||||
randLength = a.getClientRandLen(dataLength, a.Overhead)
|
||||
chunkLength = randLength + dataLength + 2 + 2
|
||||
return
|
||||
}
|
||||
|
||||
func (a *authChain) packData(outData []byte, data []byte, randLength int) {
|
||||
dataLength := len(data)
|
||||
outLength := randLength + dataLength + 2
|
||||
outData[0] = byte(dataLength) ^ a.lastClientHash[14]
|
||||
outData[1] = byte(dataLength>>8) ^ a.lastClientHash[15]
|
||||
|
||||
{
|
||||
if dataLength > 0 {
|
||||
randPart1Length := getRandStartPos(&a.randomClient, randLength)
|
||||
rand.Read(outData[2 : 2+randPart1Length])
|
||||
a.enc.XORKeyStream(outData[2+randPart1Length:], data)
|
||||
rand.Read(outData[2+randPart1Length+dataLength : outLength])
|
||||
} else {
|
||||
rand.Read(outData[2 : 2+randLength])
|
||||
}
|
||||
}
|
||||
|
||||
userKeyLen := uint8(len(a.userKey))
|
||||
key := pool.Get(int(userKeyLen + 4))
|
||||
defer pool.Put(key)
|
||||
copy(key, a.userKey)
|
||||
a.chunkID++
|
||||
binary.LittleEndian.PutUint32(key[userKeyLen:], a.chunkID)
|
||||
a.lastClientHash = a.hmac(key, outData[:outLength])
|
||||
copy(outData[outLength:], a.lastClientHash[:2])
|
||||
}
|
||||
|
||||
const authHeadLength = 4 + 8 + 4 + 16 + 4
|
||||
|
||||
func (a *authChain) packAuthData(data []byte) (outData []byte) {
|
||||
outData = make([]byte, authHeadLength, authHeadLength+1500)
|
||||
a.mutex.Lock()
|
||||
defer a.mutex.Unlock()
|
||||
a.connectionID++
|
||||
if a.connectionID > 0xFF000000 {
|
||||
rand.Read(a.clientID)
|
||||
b := make([]byte, 4)
|
||||
rand.Read(b)
|
||||
a.connectionID = binary.LittleEndian.Uint32(b) & 0xFFFFFF
|
||||
}
|
||||
var key = make([]byte, len(a.IV)+len(a.Key))
|
||||
copy(key, a.IV)
|
||||
copy(key[len(a.IV):], a.Key)
|
||||
|
||||
encrypt := make([]byte, 20)
|
||||
t := time.Now().Unix()
|
||||
binary.LittleEndian.PutUint32(encrypt[:4], uint32(t))
|
||||
copy(encrypt[4:8], a.clientID)
|
||||
binary.LittleEndian.PutUint32(encrypt[8:], a.connectionID)
|
||||
binary.LittleEndian.PutUint16(encrypt[12:], uint16(a.Overhead))
|
||||
binary.LittleEndian.PutUint16(encrypt[14:], 0)
|
||||
|
||||
// first 12 bytes
|
||||
{
|
||||
rand.Read(outData[:4])
|
||||
a.lastClientHash = a.hmac(key, outData[:4])
|
||||
copy(outData[4:], a.lastClientHash[:8])
|
||||
}
|
||||
var base64UserKey string
|
||||
// uid & 16 bytes auth data
|
||||
{
|
||||
a.initUserKeyAndID()
|
||||
uid := make([]byte, 4)
|
||||
for i := 0; i < 4; i++ {
|
||||
uid[i] = a.uid[i] ^ a.lastClientHash[8+i]
|
||||
}
|
||||
base64UserKey = base64.StdEncoding.EncodeToString(a.userKey)
|
||||
aesCipherKey := core.Kdf(base64UserKey+a.salt, 16)
|
||||
block, err := aes.NewCipher(aesCipherKey)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
encryptData := make([]byte, 16)
|
||||
iv := make([]byte, aes.BlockSize)
|
||||
cbc := cipher.NewCBCEncrypter(block, iv)
|
||||
cbc.CryptBlocks(encryptData, encrypt[:16])
|
||||
copy(encrypt[:4], uid[:])
|
||||
copy(encrypt[4:4+16], encryptData)
|
||||
}
|
||||
// final HMAC
|
||||
{
|
||||
a.lastServerHash = a.hmac(a.userKey, encrypt[:20])
|
||||
|
||||
copy(outData[12:], encrypt)
|
||||
copy(outData[12+20:], a.lastServerHash[:4])
|
||||
}
|
||||
|
||||
// init cipher
|
||||
cipherKey := a.calcRC4CipherKey(a.lastClientHash, base64UserKey)
|
||||
a.enc, _ = rc4.NewCipher(cipherKey)
|
||||
a.dec, _ = rc4.NewCipher(cipherKey)
|
||||
|
||||
// data
|
||||
chunkLength, randLength := a.packedDataLen(data)
|
||||
if chunkLength <= 1500 {
|
||||
outData = outData[:authHeadLength+chunkLength]
|
||||
} else {
|
||||
newOutData := make([]byte, authHeadLength+chunkLength)
|
||||
copy(newOutData, outData[:authHeadLength])
|
||||
outData = newOutData
|
||||
}
|
||||
a.packData(outData[authHeadLength:], data, randLength)
|
||||
return
|
||||
}
|
||||
|
||||
func getRandStartPos(random *shift128PlusContext, randLength int) int {
|
||||
if randLength > 0 {
|
||||
return int(random.Next() % 8589934609 % uint64(randLength))
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
func authChainAGetRandLen(dataLength int, random *shift128PlusContext, lastHash []byte, dataSizeList, dataSizeList2 []int, overhead int) int {
|
||||
if dataLength > 1440 {
|
||||
func getRandStartPos(length int, random *tools.XorShift128Plus) int {
|
||||
if length == 0 {
|
||||
return 0
|
||||
}
|
||||
random.InitFromBinDatalen(lastHash[:16], dataLength)
|
||||
if dataLength > 1300 {
|
||||
return int(random.Next()%8589934609) % length
|
||||
}
|
||||
|
||||
func (a *authChainA) getRandLength(length int, lastHash []byte, random *tools.XorShift128Plus) int {
|
||||
if length > 1440 {
|
||||
return 0
|
||||
}
|
||||
random.InitFromBinAndLength(lastHash, length)
|
||||
if length > 1300 {
|
||||
return int(random.Next() % 31)
|
||||
}
|
||||
if dataLength > 900 {
|
||||
if length > 900 {
|
||||
return int(random.Next() % 127)
|
||||
}
|
||||
if dataLength > 400 {
|
||||
if length > 400 {
|
||||
return int(random.Next() % 521)
|
||||
}
|
||||
return int(random.Next() % 1021)
|
||||
}
|
||||
|
||||
func udpGetRandLen(random *shift128PlusContext, lastHash []byte) int {
|
||||
random.InitFromBin(lastHash[:16])
|
||||
func (a *authChainA) initRC4Cipher() {
|
||||
key := core.Kdf(base64.StdEncoding.EncodeToString(a.userKey)+base64.StdEncoding.EncodeToString(a.lastClientHash), 16)
|
||||
a.encrypter, _ = rc4.NewCipher(key)
|
||||
a.decrypter, _ = rc4.NewCipher(key)
|
||||
}
|
||||
|
||||
func udpGetRandLength(lastHash []byte, random *tools.XorShift128Plus) int {
|
||||
random.InitFromBin(lastHash)
|
||||
return int(random.Next() % 127)
|
||||
}
|
||||
|
||||
type shift128PlusContext struct {
|
||||
v [2]uint64
|
||||
}
|
||||
|
||||
func (ctx *shift128PlusContext) InitFromBin(bin []byte) {
|
||||
var fillBin [16]byte
|
||||
copy(fillBin[:], bin)
|
||||
|
||||
ctx.v[0] = binary.LittleEndian.Uint64(fillBin[:8])
|
||||
ctx.v[1] = binary.LittleEndian.Uint64(fillBin[8:])
|
||||
}
|
||||
|
||||
func (ctx *shift128PlusContext) InitFromBinDatalen(bin []byte, datalen int) {
|
||||
var fillBin [16]byte
|
||||
copy(fillBin[:], bin)
|
||||
binary.LittleEndian.PutUint16(fillBin[:2], uint16(datalen))
|
||||
|
||||
ctx.v[0] = binary.LittleEndian.Uint64(fillBin[:8])
|
||||
ctx.v[1] = binary.LittleEndian.Uint64(fillBin[8:])
|
||||
|
||||
for i := 0; i < 4; i++ {
|
||||
ctx.Next()
|
||||
}
|
||||
}
|
||||
|
||||
func (ctx *shift128PlusContext) Next() uint64 {
|
||||
x := ctx.v[0]
|
||||
y := ctx.v[1]
|
||||
ctx.v[0] = y
|
||||
x ^= x << 23
|
||||
x ^= y ^ (x >> 17) ^ (y >> 26)
|
||||
ctx.v[1] = x
|
||||
return x + y
|
||||
}
|
||||
|
||||
@ -1,71 +1,96 @@
|
||||
package protocol
|
||||
|
||||
import (
|
||||
"net"
|
||||
"sort"
|
||||
|
||||
"github.com/Dreamacro/clash/component/ssr/tools"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("auth_chain_b", newAuthChainB)
|
||||
register("auth_chain_b", newAuthChainB, 4)
|
||||
}
|
||||
|
||||
type authChainB struct {
|
||||
*authChainA
|
||||
dataSizeList []int
|
||||
dataSizeList2 []int
|
||||
}
|
||||
|
||||
func newAuthChainB(b *Base) Protocol {
|
||||
return &authChain{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
salt: "auth_chain_b",
|
||||
hmac: tools.HmacMD5,
|
||||
hashDigest: tools.SHA1Sum,
|
||||
rnd: authChainBGetRandLen,
|
||||
a := &authChainB{
|
||||
authChainA: &authChainA{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
userData: &userData{},
|
||||
salt: "auth_chain_b",
|
||||
},
|
||||
}
|
||||
a.initUserData()
|
||||
return a
|
||||
}
|
||||
|
||||
func initDataSize(r *authChain) {
|
||||
random := &r.randomServer
|
||||
random.InitFromBin(r.Key)
|
||||
len := random.Next()%8 + 4
|
||||
r.dataSizeList = make([]int, len)
|
||||
for i := 0; i < int(len); i++ {
|
||||
r.dataSizeList[i] = int(random.Next() % 2340 % 2040 % 1440)
|
||||
func (a *authChainB) StreamConn(c net.Conn, iv []byte) net.Conn {
|
||||
p := &authChainB{
|
||||
authChainA: &authChainA{
|
||||
Base: a.Base,
|
||||
authData: a.next(),
|
||||
userData: a.userData,
|
||||
salt: a.salt,
|
||||
packID: 1,
|
||||
recvID: 1,
|
||||
},
|
||||
}
|
||||
sort.Ints(r.dataSizeList)
|
||||
|
||||
len = random.Next()%16 + 8
|
||||
r.dataSizeList2 = make([]int, len)
|
||||
for i := 0; i < int(len); i++ {
|
||||
r.dataSizeList2[i] = int(random.Next() % 2340 % 2040 % 1440)
|
||||
}
|
||||
sort.Ints(r.dataSizeList2)
|
||||
p.iv = iv
|
||||
p.randDataLength = p.getRandLength
|
||||
p.initDataSize()
|
||||
return &Conn{Conn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func authChainBGetRandLen(dataLength int, random *shift128PlusContext, lastHash []byte, dataSizeList, dataSizeList2 []int, overhead int) int {
|
||||
if dataLength > 1440 {
|
||||
func (a *authChainB) initDataSize() {
|
||||
a.dataSizeList = a.dataSizeList[:0]
|
||||
a.dataSizeList2 = a.dataSizeList2[:0]
|
||||
|
||||
a.randomServer.InitFromBin(a.Key)
|
||||
length := a.randomServer.Next()%8 + 4
|
||||
for ; length > 0; length-- {
|
||||
a.dataSizeList = append(a.dataSizeList, int(a.randomServer.Next()%2340%2040%1440))
|
||||
}
|
||||
sort.Ints(a.dataSizeList)
|
||||
|
||||
length = a.randomServer.Next()%16 + 8
|
||||
for ; length > 0; length-- {
|
||||
a.dataSizeList2 = append(a.dataSizeList2, int(a.randomServer.Next()%2340%2040%1440))
|
||||
}
|
||||
sort.Ints(a.dataSizeList2)
|
||||
}
|
||||
|
||||
func (a *authChainB) getRandLength(length int, lashHash []byte, random *tools.XorShift128Plus) int {
|
||||
if length >= 1440 {
|
||||
return 0
|
||||
}
|
||||
random.InitFromBinDatalen(lastHash[:16], dataLength)
|
||||
pos := sort.Search(len(dataSizeList), func(i int) bool { return dataSizeList[i] > dataLength+overhead })
|
||||
finalPos := uint64(pos) + random.Next()%uint64(len(dataSizeList))
|
||||
if finalPos < uint64(len(dataSizeList)) {
|
||||
return dataSizeList[finalPos] - dataLength - overhead
|
||||
random.InitFromBinAndLength(lashHash, length)
|
||||
pos := sort.Search(len(a.dataSizeList), func(i int) bool { return a.dataSizeList[i] >= length+a.Overhead })
|
||||
finalPos := pos + int(random.Next()%uint64(len(a.dataSizeList)))
|
||||
if finalPos < len(a.dataSizeList) {
|
||||
return a.dataSizeList[finalPos] - length - a.Overhead
|
||||
}
|
||||
|
||||
pos = sort.Search(len(dataSizeList2), func(i int) bool { return dataSizeList2[i] > dataLength+overhead })
|
||||
finalPos = uint64(pos) + random.Next()%uint64(len(dataSizeList2))
|
||||
if finalPos < uint64(len(dataSizeList2)) {
|
||||
return dataSizeList2[finalPos] - dataLength - overhead
|
||||
pos = sort.Search(len(a.dataSizeList2), func(i int) bool { return a.dataSizeList2[i] >= length+a.Overhead })
|
||||
finalPos = pos + int(random.Next()%uint64(len(a.dataSizeList2)))
|
||||
if finalPos < len(a.dataSizeList2) {
|
||||
return a.dataSizeList2[finalPos] - length - a.Overhead
|
||||
}
|
||||
if finalPos < uint64(pos+len(dataSizeList2)-1) {
|
||||
if finalPos < pos+len(a.dataSizeList2)-1 {
|
||||
return 0
|
||||
}
|
||||
|
||||
if dataLength > 1300 {
|
||||
if length > 1300 {
|
||||
return int(random.Next() % 31)
|
||||
}
|
||||
if dataLength > 900 {
|
||||
if length > 900 {
|
||||
return int(random.Next() % 127)
|
||||
}
|
||||
if dataLength > 400 {
|
||||
if length > 400 {
|
||||
return int(random.Next() % 521)
|
||||
}
|
||||
return int(random.Next() % 1021)
|
||||
|
||||
@ -6,248 +6,177 @@ import (
|
||||
"hash/adler32"
|
||||
"hash/crc32"
|
||||
"math/rand"
|
||||
"time"
|
||||
"net"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/component/ssr/tools"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("auth_sha1_v4", newAuthSHA1V4, 7)
|
||||
}
|
||||
|
||||
type authSHA1V4 struct {
|
||||
*Base
|
||||
*authData
|
||||
headerSent bool
|
||||
buffer bytes.Buffer
|
||||
}
|
||||
|
||||
func init() {
|
||||
register("auth_sha1_v4", newAuthSHA1V4)
|
||||
iv []byte
|
||||
hasSentHeader bool
|
||||
rawTrans bool
|
||||
}
|
||||
|
||||
func newAuthSHA1V4(b *Base) Protocol {
|
||||
return &authSHA1V4{Base: b, authData: &authData{}}
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) initForConn(iv []byte) Protocol {
|
||||
return &authSHA1V4{
|
||||
Base: &Base{
|
||||
IV: iv,
|
||||
Key: a.Key,
|
||||
TCPMss: a.TCPMss,
|
||||
Overhead: a.Overhead,
|
||||
Param: a.Param,
|
||||
},
|
||||
authData: a.authData,
|
||||
func (a *authSHA1V4) StreamConn(c net.Conn, iv []byte) net.Conn {
|
||||
p := &authSHA1V4{Base: a.Base, authData: a.next()}
|
||||
p.iv = iv
|
||||
return &Conn{Conn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) PacketConn(c net.PacketConn) net.PacketConn {
|
||||
return c
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) Decode(dst, src *bytes.Buffer) error {
|
||||
if a.rawTrans {
|
||||
dst.ReadFrom(src)
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) GetProtocolOverhead() int {
|
||||
return 7
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) SetOverhead(overhead int) {
|
||||
a.Overhead = overhead
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) Decode(b []byte) ([]byte, int, error) {
|
||||
a.buffer.Reset()
|
||||
bSize := len(b)
|
||||
originalSize := bSize
|
||||
for bSize > 4 {
|
||||
crc := crc32.ChecksumIEEE(b[:2]) & 0xFFFF
|
||||
if binary.LittleEndian.Uint16(b[2:4]) != uint16(crc) {
|
||||
return nil, 0, errAuthSHA1v4CRC32Error
|
||||
for src.Len() > 4 {
|
||||
if uint16(crc32.ChecksumIEEE(src.Bytes()[:2])&0xffff) != binary.LittleEndian.Uint16(src.Bytes()[2:4]) {
|
||||
src.Reset()
|
||||
return errAuthSHA1V4CRC32Error
|
||||
}
|
||||
length := int(binary.BigEndian.Uint16(b[:2]))
|
||||
if length >= 8192 || length < 8 {
|
||||
return nil, 0, errAuthSHA1v4DataLengthError
|
||||
|
||||
length := int(binary.BigEndian.Uint16(src.Bytes()[:2]))
|
||||
if length >= 8192 || length < 7 {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthSHA1V4LengthError
|
||||
}
|
||||
if length > bSize {
|
||||
if length > src.Len() {
|
||||
break
|
||||
}
|
||||
|
||||
if adler32.Checksum(b[:length-4]) == binary.LittleEndian.Uint32(b[length-4:]) {
|
||||
pos := int(b[4])
|
||||
if pos != 0xFF {
|
||||
pos += 4
|
||||
} else {
|
||||
pos = int(binary.BigEndian.Uint16(b[5:5+2])) + 4
|
||||
}
|
||||
retSize := length - pos - 4
|
||||
a.buffer.Write(b[pos : pos+retSize])
|
||||
bSize -= length
|
||||
b = b[length:]
|
||||
if adler32.Checksum(src.Bytes()[:length-4]) != binary.LittleEndian.Uint32(src.Bytes()[length-4:length]) {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthSHA1V4Adler32Error
|
||||
}
|
||||
|
||||
pos := int(src.Bytes()[4])
|
||||
if pos < 255 {
|
||||
pos += 4
|
||||
} else {
|
||||
return nil, 0, errAuthSHA1v4IncorrectChecksum
|
||||
pos = int(binary.BigEndian.Uint16(src.Bytes()[5:7])) + 4
|
||||
}
|
||||
dst.Write(src.Bytes()[pos : length-4])
|
||||
src.Next(length)
|
||||
}
|
||||
return a.buffer.Bytes(), originalSize - bSize, nil
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) Encode(b []byte) ([]byte, error) {
|
||||
a.buffer.Reset()
|
||||
bSize := len(b)
|
||||
offset := 0
|
||||
if !a.headerSent && bSize > 0 {
|
||||
headSize := getHeadSize(b, 30)
|
||||
if headSize > bSize {
|
||||
headSize = bSize
|
||||
}
|
||||
a.buffer.Write(a.packAuthData(b[:headSize]))
|
||||
offset += headSize
|
||||
bSize -= headSize
|
||||
a.headerSent = true
|
||||
func (a *authSHA1V4) Encode(buf *bytes.Buffer, b []byte) error {
|
||||
if !a.hasSentHeader {
|
||||
dataLength := getDataLength(b)
|
||||
|
||||
a.packAuthData(buf, b[:dataLength])
|
||||
b = b[dataLength:]
|
||||
|
||||
a.hasSentHeader = true
|
||||
}
|
||||
const blockSize = 4096
|
||||
for bSize > blockSize {
|
||||
packSize, randSize := a.packedDataSize(b[offset : offset+blockSize])
|
||||
pack := pool.Get(packSize)
|
||||
a.packData(b[offset:offset+blockSize], pack, randSize)
|
||||
a.buffer.Write(pack)
|
||||
pool.Put(pack)
|
||||
offset += blockSize
|
||||
bSize -= blockSize
|
||||
for len(b) > 8100 {
|
||||
a.packData(buf, b[:8100])
|
||||
b = b[8100:]
|
||||
}
|
||||
if bSize > 0 {
|
||||
packSize, randSize := a.packedDataSize(b[offset:])
|
||||
pack := pool.Get(packSize)
|
||||
a.packData(b[offset:], pack, randSize)
|
||||
a.buffer.Write(pack)
|
||||
pool.Put(pack)
|
||||
if len(b) > 0 {
|
||||
a.packData(buf, b)
|
||||
}
|
||||
return a.buffer.Bytes(), nil
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) DecodePacket(b []byte) ([]byte, int, error) {
|
||||
return b, len(b), nil
|
||||
func (a *authSHA1V4) DecodePacket(b []byte) ([]byte, error) { return b, nil }
|
||||
|
||||
func (a *authSHA1V4) EncodePacket(buf *bytes.Buffer, b []byte) error {
|
||||
buf.Write(b)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) EncodePacket(b []byte) ([]byte, error) {
|
||||
return b, nil
|
||||
func (a *authSHA1V4) packData(poolBuf *bytes.Buffer, data []byte) {
|
||||
dataLength := len(data)
|
||||
randDataLength := a.getRandDataLength(dataLength)
|
||||
/*
|
||||
2: uint16 BigEndian packedDataLength
|
||||
2: uint16 LittleEndian crc32Data & 0xffff
|
||||
3: maxRandDataLengthPrefix (min:1)
|
||||
4: adler32Data
|
||||
*/
|
||||
packedDataLength := 2 + 2 + 3 + randDataLength + dataLength + 4
|
||||
if randDataLength < 128 {
|
||||
packedDataLength -= 2
|
||||
}
|
||||
|
||||
binary.Write(poolBuf, binary.BigEndian, uint16(packedDataLength))
|
||||
binary.Write(poolBuf, binary.LittleEndian, uint16(crc32.ChecksumIEEE(poolBuf.Bytes()[poolBuf.Len()-2:])&0xffff))
|
||||
a.packRandData(poolBuf, randDataLength)
|
||||
poolBuf.Write(data)
|
||||
binary.Write(poolBuf, binary.LittleEndian, adler32.Checksum(poolBuf.Bytes()[poolBuf.Len()-packedDataLength+4:]))
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) packedDataSize(data []byte) (packSize, randSize int) {
|
||||
dataSize := len(data)
|
||||
randSize = 1
|
||||
if dataSize <= 1300 {
|
||||
if dataSize > 400 {
|
||||
randSize += rand.Intn(128)
|
||||
} else {
|
||||
randSize += rand.Intn(1024)
|
||||
}
|
||||
func (a *authSHA1V4) packAuthData(poolBuf *bytes.Buffer, data []byte) {
|
||||
dataLength := len(data)
|
||||
randDataLength := a.getRandDataLength(12 + dataLength)
|
||||
/*
|
||||
2: uint16 BigEndian packedAuthDataLength
|
||||
4: uint32 LittleEndian crc32Data
|
||||
3: maxRandDataLengthPrefix (min: 1)
|
||||
12: authDataLength
|
||||
10: hmacSHA1DataLength
|
||||
*/
|
||||
packedAuthDataLength := 2 + 4 + 3 + randDataLength + 12 + dataLength + 10
|
||||
if randDataLength < 128 {
|
||||
packedAuthDataLength -= 2
|
||||
}
|
||||
packSize = randSize + dataSize + 8
|
||||
return
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) packData(data, ret []byte, randSize int) {
|
||||
dataSize := len(data)
|
||||
retSize := len(ret)
|
||||
// 0~1, ret size
|
||||
binary.BigEndian.PutUint16(ret[:2], uint16(retSize&0xFFFF))
|
||||
// 2~3, crc of ret size
|
||||
crc := crc32.ChecksumIEEE(ret[:2]) & 0xFFFF
|
||||
binary.LittleEndian.PutUint16(ret[2:4], uint16(crc))
|
||||
// 4, rand size
|
||||
if randSize < 128 {
|
||||
ret[4] = uint8(randSize & 0xFF)
|
||||
} else {
|
||||
ret[4] = uint8(0xFF)
|
||||
binary.BigEndian.PutUint16(ret[5:7], uint16(randSize&0xFFFF))
|
||||
}
|
||||
// (rand size+4)~(ret size-4), data
|
||||
if dataSize > 0 {
|
||||
copy(ret[randSize+4:], data)
|
||||
}
|
||||
// (ret size-4)~end, adler32 of full data
|
||||
adler := adler32.Checksum(ret[:retSize-4])
|
||||
binary.LittleEndian.PutUint32(ret[retSize-4:], adler)
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) packAuthData(data []byte) (ret []byte) {
|
||||
dataSize := len(data)
|
||||
randSize := 1
|
||||
if dataSize <= 1300 {
|
||||
if dataSize > 400 {
|
||||
randSize += rand.Intn(128)
|
||||
} else {
|
||||
randSize += rand.Intn(1024)
|
||||
}
|
||||
}
|
||||
dataOffset := randSize + 4 + 2
|
||||
retSize := dataOffset + dataSize + 12 + tools.HmacSHA1Len
|
||||
ret = make([]byte, retSize)
|
||||
a.mutex.Lock()
|
||||
defer a.mutex.Unlock()
|
||||
a.connectionID++
|
||||
if a.connectionID > 0xFF000000 {
|
||||
a.clientID = nil
|
||||
}
|
||||
if len(a.clientID) == 0 {
|
||||
a.clientID = make([]byte, 8)
|
||||
rand.Read(a.clientID)
|
||||
b := make([]byte, 4)
|
||||
rand.Read(b)
|
||||
a.connectionID = binary.LittleEndian.Uint32(b) & 0xFFFFFF
|
||||
}
|
||||
// 0~1, ret size
|
||||
binary.BigEndian.PutUint16(ret[:2], uint16(retSize&0xFFFF))
|
||||
|
||||
// 2~6, crc of (ret size+salt+key)
|
||||
salt := []byte("auth_sha1_v4")
|
||||
crcData := make([]byte, len(salt)+len(a.Key)+2)
|
||||
copy(crcData[:2], ret[:2])
|
||||
crcData := pool.Get(len(salt) + len(a.Key) + 2)
|
||||
defer pool.Put(crcData)
|
||||
binary.BigEndian.PutUint16(crcData, uint16(packedAuthDataLength))
|
||||
copy(crcData[2:], salt)
|
||||
copy(crcData[2+len(salt):], a.Key)
|
||||
crc := crc32.ChecksumIEEE(crcData) & 0xFFFFFFFF
|
||||
// 2~6, crc of (ret size+salt+key)
|
||||
binary.LittleEndian.PutUint32(ret[2:], crc)
|
||||
// 6~(rand size+6), rand numbers
|
||||
rand.Read(ret[dataOffset-randSize : dataOffset])
|
||||
// 6, rand size
|
||||
if randSize < 128 {
|
||||
ret[6] = byte(randSize & 0xFF)
|
||||
} else {
|
||||
// 6, magic number 0xFF
|
||||
ret[6] = 0xFF
|
||||
// 7~8, rand size
|
||||
binary.BigEndian.PutUint16(ret[7:9], uint16(randSize&0xFFFF))
|
||||
}
|
||||
// rand size+6~(rand size+10), time stamp
|
||||
now := time.Now().Unix()
|
||||
binary.LittleEndian.PutUint32(ret[dataOffset:dataOffset+4], uint32(now))
|
||||
// rand size+10~(rand size+14), client ID
|
||||
copy(ret[dataOffset+4:dataOffset+4+4], a.clientID[:4])
|
||||
// rand size+14~(rand size+18), connection ID
|
||||
binary.LittleEndian.PutUint32(ret[dataOffset+8:dataOffset+8+4], a.connectionID)
|
||||
// rand size+18~(rand size+18)+data length, data
|
||||
copy(ret[dataOffset+12:], data)
|
||||
|
||||
key := make([]byte, len(a.IV)+len(a.Key))
|
||||
copy(key, a.IV)
|
||||
copy(key[len(a.IV):], a.Key)
|
||||
key := pool.Get(len(a.iv) + len(a.Key))
|
||||
defer pool.Put(key)
|
||||
copy(key, a.iv)
|
||||
copy(key[len(a.iv):], a.Key)
|
||||
|
||||
h := tools.HmacSHA1(key, ret[:retSize-tools.HmacSHA1Len])
|
||||
// (ret size-10)~(ret size)/(rand size)+18+data length~end, hmac
|
||||
copy(ret[retSize-tools.HmacSHA1Len:], h[:tools.HmacSHA1Len])
|
||||
return ret
|
||||
poolBuf.Write(crcData[:2])
|
||||
binary.Write(poolBuf, binary.LittleEndian, crc32.ChecksumIEEE(crcData))
|
||||
a.packRandData(poolBuf, randDataLength)
|
||||
a.putAuthData(poolBuf)
|
||||
poolBuf.Write(data)
|
||||
poolBuf.Write(tools.HmacSHA1(key, poolBuf.Bytes()[poolBuf.Len()-packedAuthDataLength+10:])[:10])
|
||||
}
|
||||
|
||||
func getHeadSize(data []byte, defaultValue int) int {
|
||||
if data == nil || len(data) < 2 {
|
||||
return defaultValue
|
||||
func (a *authSHA1V4) packRandData(poolBuf *bytes.Buffer, size int) {
|
||||
if size < 128 {
|
||||
poolBuf.WriteByte(byte(size + 1))
|
||||
tools.AppendRandBytes(poolBuf, size)
|
||||
return
|
||||
}
|
||||
headType := data[0] & 0x07
|
||||
switch headType {
|
||||
case 1:
|
||||
// IPv4 1+4+2
|
||||
return 7
|
||||
case 4:
|
||||
// IPv6 1+16+2
|
||||
return 19
|
||||
case 3:
|
||||
// domain name, variant length
|
||||
return 4 + int(data[1])
|
||||
}
|
||||
|
||||
return defaultValue
|
||||
poolBuf.WriteByte(255)
|
||||
binary.Write(poolBuf, binary.BigEndian, uint16(size+3))
|
||||
tools.AppendRandBytes(poolBuf, size)
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) getRandDataLength(size int) int {
|
||||
if size > 1200 {
|
||||
return 0
|
||||
}
|
||||
if size > 400 {
|
||||
return rand.Intn(256)
|
||||
}
|
||||
return rand.Intn(512)
|
||||
}
|
||||
|
||||
@ -1,10 +1,77 @@
|
||||
package protocol
|
||||
|
||||
// Base information for protocol
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/aes"
|
||||
"crypto/cipher"
|
||||
"encoding/base64"
|
||||
"encoding/binary"
|
||||
"math/rand"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/log"
|
||||
"github.com/Dreamacro/go-shadowsocks2/core"
|
||||
)
|
||||
|
||||
type Base struct {
|
||||
IV []byte
|
||||
Key []byte
|
||||
TCPMss int
|
||||
Overhead int
|
||||
Param string
|
||||
}
|
||||
|
||||
type userData struct {
|
||||
userKey []byte
|
||||
userID [4]byte
|
||||
}
|
||||
|
||||
type authData struct {
|
||||
clientID [4]byte
|
||||
connectionID uint32
|
||||
mutex sync.Mutex
|
||||
}
|
||||
|
||||
func (a *authData) next() *authData {
|
||||
r := &authData{}
|
||||
a.mutex.Lock()
|
||||
defer a.mutex.Unlock()
|
||||
if a.connectionID > 0xff000000 || a.connectionID == 0 {
|
||||
rand.Read(a.clientID[:])
|
||||
a.connectionID = rand.Uint32() & 0xffffff
|
||||
}
|
||||
a.connectionID++
|
||||
copy(r.clientID[:], a.clientID[:])
|
||||
r.connectionID = a.connectionID
|
||||
return r
|
||||
}
|
||||
|
||||
func (a *authData) putAuthData(buf *bytes.Buffer) {
|
||||
binary.Write(buf, binary.LittleEndian, uint32(time.Now().Unix()))
|
||||
buf.Write(a.clientID[:])
|
||||
binary.Write(buf, binary.LittleEndian, a.connectionID)
|
||||
}
|
||||
|
||||
func (a *authData) putEncryptedData(b *bytes.Buffer, userKey []byte, paddings [2]int, salt string) error {
|
||||
encrypt := pool.Get(16)
|
||||
defer pool.Put(encrypt)
|
||||
binary.LittleEndian.PutUint32(encrypt, uint32(time.Now().Unix()))
|
||||
copy(encrypt[4:], a.clientID[:])
|
||||
binary.LittleEndian.PutUint32(encrypt[8:], a.connectionID)
|
||||
binary.LittleEndian.PutUint16(encrypt[12:], uint16(paddings[0]))
|
||||
binary.LittleEndian.PutUint16(encrypt[14:], uint16(paddings[1]))
|
||||
|
||||
cipherKey := core.Kdf(base64.StdEncoding.EncodeToString(userKey)+salt, 16)
|
||||
block, err := aes.NewCipher(cipherKey)
|
||||
if err != nil {
|
||||
log.Warnln("New cipher error: %s", err.Error())
|
||||
return err
|
||||
}
|
||||
iv := bytes.Repeat([]byte{0}, 16)
|
||||
cbcCipher := cipher.NewCBCEncrypter(block, iv)
|
||||
|
||||
cbcCipher.CryptBlocks(encrypt, encrypt)
|
||||
|
||||
b.Write(encrypt)
|
||||
return nil
|
||||
}
|
||||
|
||||
@ -1,36 +1,33 @@
|
||||
package protocol
|
||||
|
||||
type origin struct{ *Base }
|
||||
import (
|
||||
"bytes"
|
||||
"net"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("origin", newOrigin)
|
||||
type origin struct{}
|
||||
|
||||
func init() { register("origin", newOrigin, 0) }
|
||||
|
||||
func newOrigin(b *Base) Protocol { return &origin{} }
|
||||
|
||||
func (o *origin) StreamConn(c net.Conn, iv []byte) net.Conn { return c }
|
||||
|
||||
func (o *origin) PacketConn(c net.PacketConn) net.PacketConn { return c }
|
||||
|
||||
func (o *origin) Decode(dst, src *bytes.Buffer) error {
|
||||
dst.ReadFrom(src)
|
||||
return nil
|
||||
}
|
||||
|
||||
func newOrigin(b *Base) Protocol {
|
||||
return &origin{}
|
||||
func (o *origin) Encode(buf *bytes.Buffer, b []byte) error {
|
||||
buf.Write(b)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (o *origin) initForConn(iv []byte) Protocol { return &origin{} }
|
||||
func (o *origin) DecodePacket(b []byte) ([]byte, error) { return b, nil }
|
||||
|
||||
func (o *origin) GetProtocolOverhead() int {
|
||||
return 0
|
||||
}
|
||||
|
||||
func (o *origin) SetOverhead(overhead int) {
|
||||
}
|
||||
|
||||
func (o *origin) Decode(b []byte) ([]byte, int, error) {
|
||||
return b, len(b), nil
|
||||
}
|
||||
|
||||
func (o *origin) Encode(b []byte) ([]byte, error) {
|
||||
return b, nil
|
||||
}
|
||||
|
||||
func (o *origin) DecodePacket(b []byte) ([]byte, int, error) {
|
||||
return b, len(b), nil
|
||||
}
|
||||
|
||||
func (o *origin) EncodePacket(b []byte) ([]byte, error) {
|
||||
return b, nil
|
||||
func (o *origin) EncodePacket(buf *bytes.Buffer, b []byte) error {
|
||||
buf.Write(b)
|
||||
return nil
|
||||
}
|
||||
|
||||
@ -1,30 +1,26 @@
|
||||
package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"net"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/component/ssr/tools"
|
||||
)
|
||||
|
||||
// NewPacketConn returns a net.NewPacketConn with protocol decoding/encoding
|
||||
func NewPacketConn(pc net.PacketConn, p Protocol) net.PacketConn {
|
||||
return &PacketConn{PacketConn: pc, Protocol: p.initForConn(nil)}
|
||||
}
|
||||
|
||||
// PacketConn represents a protocol packet connection
|
||||
type PacketConn struct {
|
||||
net.PacketConn
|
||||
Protocol
|
||||
}
|
||||
|
||||
func (c *PacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
defer pool.Put(buf)
|
||||
buf, err := c.EncodePacket(b)
|
||||
buf := tools.BufPool.Get().(*bytes.Buffer)
|
||||
defer tools.BufPool.Put(buf)
|
||||
defer buf.Reset()
|
||||
err := c.EncodePacket(buf, b)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
_, err = c.PacketConn.WriteTo(buf, addr)
|
||||
_, err = c.PacketConn.WriteTo(buf.Bytes(), addr)
|
||||
return len(b), err
|
||||
}
|
||||
|
||||
@ -33,10 +29,10 @@ func (c *PacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
|
||||
if err != nil {
|
||||
return n, addr, err
|
||||
}
|
||||
bb, length, err := c.DecodePacket(b[:n])
|
||||
decoded, err := c.DecodePacket(b[:n])
|
||||
if err != nil {
|
||||
return n, addr, err
|
||||
}
|
||||
copy(b, bb)
|
||||
return length, addr, err
|
||||
copy(b, decoded)
|
||||
return len(decoded), addr, nil
|
||||
}
|
||||
|
||||
@ -4,60 +4,73 @@ import (
|
||||
"bytes"
|
||||
"errors"
|
||||
"fmt"
|
||||
"strings"
|
||||
"sync"
|
||||
"math/rand"
|
||||
"net"
|
||||
)
|
||||
|
||||
var (
|
||||
errAuthAES128IncorrectMAC = errors.New("auth_aes128_* post decrypt incorrect mac")
|
||||
errAuthAES128DataLengthError = errors.New("auth_aes128_* post decrypt length mismatch")
|
||||
errAuthAES128IncorrectChecksum = errors.New("auth_aes128_* post decrypt incorrect checksum")
|
||||
errAuthAES128PositionTooLarge = errors.New("auth_aes128_* post decrypt position is too large")
|
||||
errAuthSHA1v4CRC32Error = errors.New("auth_sha1_v4 post decrypt data crc32 error")
|
||||
errAuthSHA1v4DataLengthError = errors.New("auth_sha1_v4 post decrypt data length error")
|
||||
errAuthSHA1v4IncorrectChecksum = errors.New("auth_sha1_v4 post decrypt incorrect checksum")
|
||||
errAuthChainDataLengthError = errors.New("auth_chain_* post decrypt length mismatch")
|
||||
errAuthChainHMACError = errors.New("auth_chain_* post decrypt hmac error")
|
||||
errAuthSHA1V4CRC32Error = errors.New("auth_sha1_v4 decode data wrong crc32")
|
||||
errAuthSHA1V4LengthError = errors.New("auth_sha1_v4 decode data wrong length")
|
||||
errAuthSHA1V4Adler32Error = errors.New("auth_sha1_v4 decode data wrong adler32")
|
||||
errAuthAES128MACError = errors.New("auth_aes128 decode data wrong mac")
|
||||
errAuthAES128LengthError = errors.New("auth_aes128 decode data wrong length")
|
||||
errAuthAES128ChksumError = errors.New("auth_aes128 decode data wrong checksum")
|
||||
errAuthChainLengthError = errors.New("auth_chain decode data wrong length")
|
||||
errAuthChainChksumError = errors.New("auth_chain decode data wrong checksum")
|
||||
)
|
||||
|
||||
type authData struct {
|
||||
clientID []byte
|
||||
connectionID uint32
|
||||
mutex sync.Mutex
|
||||
}
|
||||
|
||||
type recvInfo struct {
|
||||
recvID uint32
|
||||
buffer *bytes.Buffer
|
||||
}
|
||||
|
||||
type hmacMethod func(key []byte, data []byte) []byte
|
||||
type hashDigestMethod func(data []byte) []byte
|
||||
type rndMethod func(dataSize int, random *shift128PlusContext, lastHash []byte, dataSizeList, dataSizeList2 []int, overhead int) int
|
||||
|
||||
// Protocol provides methods for decoding, encoding and iv setting
|
||||
type Protocol interface {
|
||||
initForConn(iv []byte) Protocol
|
||||
GetProtocolOverhead() int
|
||||
SetOverhead(int)
|
||||
Decode([]byte) ([]byte, int, error)
|
||||
Encode([]byte) ([]byte, error)
|
||||
DecodePacket([]byte) ([]byte, int, error)
|
||||
EncodePacket([]byte) ([]byte, error)
|
||||
StreamConn(net.Conn, []byte) net.Conn
|
||||
PacketConn(net.PacketConn) net.PacketConn
|
||||
Decode(dst, src *bytes.Buffer) error
|
||||
Encode(buf *bytes.Buffer, b []byte) error
|
||||
DecodePacket([]byte) ([]byte, error)
|
||||
EncodePacket(buf *bytes.Buffer, b []byte) error
|
||||
}
|
||||
|
||||
type protocolCreator func(b *Base) Protocol
|
||||
|
||||
var protocolList = make(map[string]protocolCreator)
|
||||
var protocolList = make(map[string]struct {
|
||||
overhead int
|
||||
new protocolCreator
|
||||
})
|
||||
|
||||
func register(name string, c protocolCreator) {
|
||||
protocolList[name] = c
|
||||
func register(name string, c protocolCreator, o int) {
|
||||
protocolList[name] = struct {
|
||||
overhead int
|
||||
new protocolCreator
|
||||
}{overhead: o, new: c}
|
||||
}
|
||||
|
||||
// PickProtocol returns a protocol of the given name
|
||||
func PickProtocol(name string, b *Base) (Protocol, error) {
|
||||
if protocolCreator, ok := protocolList[strings.ToLower(name)]; ok {
|
||||
return protocolCreator(b), nil
|
||||
if choice, ok := protocolList[name]; ok {
|
||||
b.Overhead += choice.overhead
|
||||
return choice.new(b), nil
|
||||
}
|
||||
return nil, fmt.Errorf("Protocol %s not supported", name)
|
||||
return nil, fmt.Errorf("protocol %s not supported", name)
|
||||
}
|
||||
|
||||
func getHeadSize(b []byte, defaultValue int) int {
|
||||
if len(b) < 2 {
|
||||
return defaultValue
|
||||
}
|
||||
headType := b[0] & 7
|
||||
switch headType {
|
||||
case 1:
|
||||
return 7
|
||||
case 4:
|
||||
return 19
|
||||
case 3:
|
||||
return 4 + int(b[1])
|
||||
}
|
||||
return defaultValue
|
||||
}
|
||||
|
||||
func getDataLength(b []byte) int {
|
||||
bLength := len(b)
|
||||
dataLength := getHeadSize(b, 30) + rand.Intn(32)
|
||||
if bLength < dataLength {
|
||||
return bLength
|
||||
}
|
||||
return dataLength
|
||||
}
|
||||
|
||||
@ -5,31 +5,21 @@ import (
|
||||
"net"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/component/ssr/tools"
|
||||
)
|
||||
|
||||
// NewConn wraps a stream-oriented net.Conn with protocol decoding/encoding
|
||||
func NewConn(c net.Conn, p Protocol, iv []byte) net.Conn {
|
||||
return &Conn{Conn: c, Protocol: p.initForConn(iv)}
|
||||
}
|
||||
|
||||
// Conn represents a protocol connection
|
||||
type Conn struct {
|
||||
net.Conn
|
||||
Protocol
|
||||
buf []byte
|
||||
offset int
|
||||
decoded bytes.Buffer
|
||||
underDecoded bytes.Buffer
|
||||
}
|
||||
|
||||
func (c *Conn) Read(b []byte) (int, error) {
|
||||
if c.buf != nil {
|
||||
n := copy(b, c.buf[c.offset:])
|
||||
c.offset += n
|
||||
if c.offset == len(c.buf) {
|
||||
c.buf = nil
|
||||
}
|
||||
return n, nil
|
||||
if c.decoded.Len() > 0 {
|
||||
return c.decoded.Read(b)
|
||||
}
|
||||
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
defer pool.Put(buf)
|
||||
n, err := c.Conn.Read(buf)
|
||||
@ -37,32 +27,26 @@ func (c *Conn) Read(b []byte) (int, error) {
|
||||
return 0, err
|
||||
}
|
||||
c.underDecoded.Write(buf[:n])
|
||||
underDecoded := c.underDecoded.Bytes()
|
||||
decoded, length, err := c.Decode(underDecoded)
|
||||
err = c.Decode(&c.decoded, &c.underDecoded)
|
||||
if err != nil {
|
||||
c.underDecoded.Reset()
|
||||
return 0, nil
|
||||
}
|
||||
if length == 0 {
|
||||
return 0, nil
|
||||
}
|
||||
c.underDecoded.Next(length)
|
||||
n = copy(b, decoded)
|
||||
if len(decoded) > len(b) {
|
||||
c.buf = decoded
|
||||
c.offset = n
|
||||
return 0, err
|
||||
}
|
||||
n, _ = c.decoded.Read(b)
|
||||
return n, nil
|
||||
}
|
||||
|
||||
func (c *Conn) Write(b []byte) (int, error) {
|
||||
encoded, err := c.Encode(b)
|
||||
bLength := len(b)
|
||||
buf := tools.BufPool.Get().(*bytes.Buffer)
|
||||
defer tools.BufPool.Put(buf)
|
||||
defer buf.Reset()
|
||||
err := c.Encode(buf, b)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
_, err = c.Conn.Write(encoded)
|
||||
_, err = c.Conn.Write(buf.Bytes())
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
return len(b), nil
|
||||
return bLength, nil
|
||||
}
|
||||
|
||||
18
component/ssr/tools/bufPool.go
Normal file
18
component/ssr/tools/bufPool.go
Normal file
@ -0,0 +1,18 @@
|
||||
package tools
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"math/rand"
|
||||
"sync"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
)
|
||||
|
||||
var BufPool = sync.Pool{New: func() interface{} { return &bytes.Buffer{} }}
|
||||
|
||||
func AppendRandBytes(b *bytes.Buffer, length int) {
|
||||
randBytes := pool.Get(length)
|
||||
defer pool.Put(randBytes)
|
||||
rand.Read(randBytes)
|
||||
b.Write(randBytes)
|
||||
}
|
||||
@ -11,13 +11,13 @@ const HmacSHA1Len = 10
|
||||
func HmacMD5(key, data []byte) []byte {
|
||||
hmacMD5 := hmac.New(md5.New, key)
|
||||
hmacMD5.Write(data)
|
||||
return hmacMD5.Sum(nil)[:16]
|
||||
return hmacMD5.Sum(nil)
|
||||
}
|
||||
|
||||
func HmacSHA1(key, data []byte) []byte {
|
||||
hmacSHA1 := hmac.New(sha1.New, key)
|
||||
hmacSHA1.Write(data)
|
||||
return hmacSHA1.Sum(nil)[:20]
|
||||
return hmacSHA1.Sum(nil)
|
||||
}
|
||||
|
||||
func MD5Sum(b []byte) []byte {
|
||||
57
component/ssr/tools/random.go
Normal file
57
component/ssr/tools/random.go
Normal file
@ -0,0 +1,57 @@
|
||||
package tools
|
||||
|
||||
import (
|
||||
"encoding/binary"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
)
|
||||
|
||||
// XorShift128Plus - a pseudorandom number generator
|
||||
type XorShift128Plus struct {
|
||||
s [2]uint64
|
||||
}
|
||||
|
||||
func (r *XorShift128Plus) Next() uint64 {
|
||||
x := r.s[0]
|
||||
y := r.s[1]
|
||||
r.s[0] = y
|
||||
x ^= x << 23
|
||||
x ^= y ^ (x >> 17) ^ (y >> 26)
|
||||
r.s[1] = x
|
||||
return x + y
|
||||
}
|
||||
|
||||
func (r *XorShift128Plus) InitFromBin(bin []byte) {
|
||||
var full []byte
|
||||
if len(bin) < 16 {
|
||||
full := pool.Get(16)[:0]
|
||||
defer pool.Put(full)
|
||||
full = append(full, bin...)
|
||||
for len(full) < 16 {
|
||||
full = append(full, 0)
|
||||
}
|
||||
} else {
|
||||
full = bin
|
||||
}
|
||||
r.s[0] = binary.LittleEndian.Uint64(full[:8])
|
||||
r.s[1] = binary.LittleEndian.Uint64(full[8:16])
|
||||
}
|
||||
|
||||
func (r *XorShift128Plus) InitFromBinAndLength(bin []byte, length int) {
|
||||
var full []byte
|
||||
if len(bin) < 16 {
|
||||
full := pool.Get(16)[:0]
|
||||
defer pool.Put(full)
|
||||
full = append(full, bin...)
|
||||
for len(full) < 16 {
|
||||
full = append(full, 0)
|
||||
}
|
||||
}
|
||||
full = bin
|
||||
binary.LittleEndian.PutUint16(full, uint16(length))
|
||||
r.s[0] = binary.LittleEndian.Uint64(full[:8])
|
||||
r.s[1] = binary.LittleEndian.Uint64(full[8:16])
|
||||
for i := 0; i < 4; i++ {
|
||||
r.Next()
|
||||
}
|
||||
}
|
||||
@ -46,6 +46,7 @@ func (hc *h2Conn) establishConn() error {
|
||||
},
|
||||
}
|
||||
|
||||
// it will be close at : `func (hc *h2Conn) Close() error`
|
||||
res, err := hc.ClientConn.RoundTrip(&req)
|
||||
if err != nil {
|
||||
return err
|
||||
|
||||
@ -30,7 +30,7 @@ type General struct {
|
||||
Mode T.TunnelMode `json:"mode"`
|
||||
LogLevel log.LogLevel `json:"log-level"`
|
||||
IPv6 bool `json:"ipv6"`
|
||||
Interface string `json:"interface-name"`
|
||||
Interface string `json:"-"`
|
||||
}
|
||||
|
||||
// Inbound
|
||||
@ -73,6 +73,11 @@ type FallbackFilter struct {
|
||||
Domain []string `yaml:"domain"`
|
||||
}
|
||||
|
||||
// Profile config
|
||||
type Profile struct {
|
||||
StoreSelected bool `yaml:"store-selected"`
|
||||
}
|
||||
|
||||
// Experimental config
|
||||
type Experimental struct{}
|
||||
|
||||
@ -82,6 +87,7 @@ type Config struct {
|
||||
DNS *DNS
|
||||
Experimental *Experimental
|
||||
Hosts *trie.DomainTrie
|
||||
Profile *Profile
|
||||
Rules []C.Rule
|
||||
Users []auth.AuthUser
|
||||
Proxies map[string]C.Proxy
|
||||
@ -129,6 +135,7 @@ type RawConfig struct {
|
||||
Hosts map[string]string `yaml:"hosts"`
|
||||
DNS RawDNS `yaml:"dns"`
|
||||
Experimental Experimental `yaml:"experimental"`
|
||||
Profile Profile `yaml:"profile"`
|
||||
Proxy []map[string]interface{} `yaml:"proxies"`
|
||||
ProxyGroup []map[string]interface{} `yaml:"proxy-groups"`
|
||||
Rule []string `yaml:"rules"`
|
||||
@ -145,7 +152,7 @@ func Parse(buf []byte) (*Config, error) {
|
||||
}
|
||||
|
||||
func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
|
||||
// config with some default value
|
||||
// config with default value
|
||||
rawCfg := &RawConfig{
|
||||
AllowLan: false,
|
||||
BindAddress: "*",
|
||||
@ -169,6 +176,9 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
|
||||
"8.8.8.8",
|
||||
},
|
||||
},
|
||||
Profile: Profile{
|
||||
StoreSelected: true,
|
||||
},
|
||||
}
|
||||
|
||||
if err := yaml.Unmarshal(buf, &rawCfg); err != nil {
|
||||
@ -182,6 +192,7 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
|
||||
config := &Config{}
|
||||
|
||||
config.Experimental = &rawCfg.Experimental
|
||||
config.Profile = &rawCfg.Profile
|
||||
|
||||
general, err := parseGeneral(rawCfg)
|
||||
if err != nil {
|
||||
|
||||
@ -12,7 +12,7 @@ import (
|
||||
)
|
||||
|
||||
func downloadMMDB(path string) (err error) {
|
||||
resp, err := http.Get("https://github.com/Dreamacro/maxmind-geoip/releases/latest/download/Country.mmdb")
|
||||
resp, err := http.Get("https://cdn.jsdelivr.net/gh/Dreamacro/maxmind-geoip@release/Country.mmdb")
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
@ -27,11 +27,6 @@ const (
|
||||
LoadBalance
|
||||
)
|
||||
|
||||
type ServerAdapter interface {
|
||||
net.Conn
|
||||
Metadata() *Metadata
|
||||
}
|
||||
|
||||
type Connection interface {
|
||||
Chains() Chain
|
||||
AppendToChains(adapter ProxyAdapter)
|
||||
@ -50,6 +45,15 @@ func (c Chain) String() string {
|
||||
}
|
||||
}
|
||||
|
||||
func (c Chain) Last() string {
|
||||
switch len(c) {
|
||||
case 0:
|
||||
return ""
|
||||
default:
|
||||
return c[0]
|
||||
}
|
||||
}
|
||||
|
||||
type Conn interface {
|
||||
net.Conn
|
||||
Connection
|
||||
|
||||
23
constant/context.go
Normal file
23
constant/context.go
Normal file
@ -0,0 +1,23 @@
|
||||
package constant
|
||||
|
||||
import (
|
||||
"net"
|
||||
|
||||
"github.com/gofrs/uuid"
|
||||
)
|
||||
|
||||
type PlainContext interface {
|
||||
ID() uuid.UUID
|
||||
}
|
||||
|
||||
type ConnContext interface {
|
||||
PlainContext
|
||||
Metadata() *Metadata
|
||||
Conn() net.Conn
|
||||
}
|
||||
|
||||
type PacketConnContext interface {
|
||||
PlainContext
|
||||
Metadata() *Metadata
|
||||
PacketConn() net.PacketConn
|
||||
}
|
||||
@ -56,3 +56,7 @@ func (p *path) Resolve(path string) string {
|
||||
func (p *path) MMDB() string {
|
||||
return P.Join(p.homeDir, "Country.mmdb")
|
||||
}
|
||||
|
||||
func (p *path) Cache() string {
|
||||
return P.Join(p.homeDir, ".cache")
|
||||
}
|
||||
|
||||
39
context/conn.go
Normal file
39
context/conn.go
Normal file
@ -0,0 +1,39 @@
|
||||
package context
|
||||
|
||||
import (
|
||||
"net"
|
||||
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
|
||||
"github.com/gofrs/uuid"
|
||||
)
|
||||
|
||||
type ConnContext struct {
|
||||
id uuid.UUID
|
||||
metadata *C.Metadata
|
||||
conn net.Conn
|
||||
}
|
||||
|
||||
func NewConnContext(conn net.Conn, metadata *C.Metadata) *ConnContext {
|
||||
id, _ := uuid.NewV4()
|
||||
return &ConnContext{
|
||||
id: id,
|
||||
metadata: metadata,
|
||||
conn: conn,
|
||||
}
|
||||
}
|
||||
|
||||
// ID implement C.ConnContext ID
|
||||
func (c *ConnContext) ID() uuid.UUID {
|
||||
return c.id
|
||||
}
|
||||
|
||||
// Metadata implement C.ConnContext Metadata
|
||||
func (c *ConnContext) Metadata() *C.Metadata {
|
||||
return c.metadata
|
||||
}
|
||||
|
||||
// Conn implement C.ConnContext Conn
|
||||
func (c *ConnContext) Conn() net.Conn {
|
||||
return c.conn
|
||||
}
|
||||
41
context/dns.go
Normal file
41
context/dns.go
Normal file
@ -0,0 +1,41 @@
|
||||
package context
|
||||
|
||||
import (
|
||||
"github.com/gofrs/uuid"
|
||||
"github.com/miekg/dns"
|
||||
)
|
||||
|
||||
const (
|
||||
DNSTypeHost = "host"
|
||||
DNSTypeFakeIP = "fakeip"
|
||||
DNSTypeRaw = "raw"
|
||||
)
|
||||
|
||||
type DNSContext struct {
|
||||
id uuid.UUID
|
||||
msg *dns.Msg
|
||||
tp string
|
||||
}
|
||||
|
||||
func NewDNSContext(msg *dns.Msg) *DNSContext {
|
||||
id, _ := uuid.NewV4()
|
||||
return &DNSContext{
|
||||
id: id,
|
||||
msg: msg,
|
||||
}
|
||||
}
|
||||
|
||||
// ID implement C.PlainContext ID
|
||||
func (c *DNSContext) ID() uuid.UUID {
|
||||
return c.id
|
||||
}
|
||||
|
||||
// SetType set type of response
|
||||
func (c *DNSContext) SetType(tp string) {
|
||||
c.tp = tp
|
||||
}
|
||||
|
||||
// Type return type of response
|
||||
func (c *DNSContext) Type() string {
|
||||
return c.tp
|
||||
}
|
||||
47
context/http.go
Normal file
47
context/http.go
Normal file
@ -0,0 +1,47 @@
|
||||
package context
|
||||
|
||||
import (
|
||||
"net"
|
||||
"net/http"
|
||||
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
|
||||
"github.com/gofrs/uuid"
|
||||
)
|
||||
|
||||
type HTTPContext struct {
|
||||
id uuid.UUID
|
||||
metadata *C.Metadata
|
||||
conn net.Conn
|
||||
req *http.Request
|
||||
}
|
||||
|
||||
func NewHTTPContext(conn net.Conn, req *http.Request, metadata *C.Metadata) *HTTPContext {
|
||||
id, _ := uuid.NewV4()
|
||||
return &HTTPContext{
|
||||
id: id,
|
||||
metadata: metadata,
|
||||
conn: conn,
|
||||
req: req,
|
||||
}
|
||||
}
|
||||
|
||||
// ID implement C.ConnContext ID
|
||||
func (hc *HTTPContext) ID() uuid.UUID {
|
||||
return hc.id
|
||||
}
|
||||
|
||||
// Metadata implement C.ConnContext Metadata
|
||||
func (hc *HTTPContext) Metadata() *C.Metadata {
|
||||
return hc.metadata
|
||||
}
|
||||
|
||||
// Conn implement C.ConnContext Conn
|
||||
func (hc *HTTPContext) Conn() net.Conn {
|
||||
return hc.conn
|
||||
}
|
||||
|
||||
// Request return the http request struct
|
||||
func (hc *HTTPContext) Request() *http.Request {
|
||||
return hc.req
|
||||
}
|
||||
43
context/packetconn.go
Normal file
43
context/packetconn.go
Normal file
@ -0,0 +1,43 @@
|
||||
package context
|
||||
|
||||
import (
|
||||
"net"
|
||||
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
|
||||
"github.com/gofrs/uuid"
|
||||
)
|
||||
|
||||
type PacketConnContext struct {
|
||||
id uuid.UUID
|
||||
metadata *C.Metadata
|
||||
packetConn net.PacketConn
|
||||
}
|
||||
|
||||
func NewPacketConnContext(metadata *C.Metadata) *PacketConnContext {
|
||||
id, _ := uuid.NewV4()
|
||||
return &PacketConnContext{
|
||||
id: id,
|
||||
metadata: metadata,
|
||||
}
|
||||
}
|
||||
|
||||
// ID implement C.PacketConnContext ID
|
||||
func (pc *PacketConnContext) ID() uuid.UUID {
|
||||
return pc.id
|
||||
}
|
||||
|
||||
// Metadata implement C.PacketConnContext Metadata
|
||||
func (pc *PacketConnContext) Metadata() *C.Metadata {
|
||||
return pc.metadata
|
||||
}
|
||||
|
||||
// PacketConn implement C.PacketConnContext PacketConn
|
||||
func (pc *PacketConnContext) PacketConn() net.PacketConn {
|
||||
return pc.packetConn
|
||||
}
|
||||
|
||||
// InjectPacketConn injectPacketConn manually
|
||||
func (pc *PacketConnContext) InjectPacketConn(pconn C.PacketConn) {
|
||||
pc.packetConn = pconn
|
||||
}
|
||||
@ -39,7 +39,7 @@ func (c *client) ExchangeContext(ctx context.Context, m *D.Msg) (msg *D.Msg, err
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if dialer.DialHook != nil {
|
||||
if ip != nil && ip.IsGlobalUnicast() && dialer.DialHook != nil {
|
||||
network := "udp"
|
||||
if strings.HasPrefix(c.Client.Net, "tcp") {
|
||||
network = "tcp"
|
||||
|
||||
@ -8,26 +8,27 @@ import (
|
||||
"github.com/Dreamacro/clash/common/cache"
|
||||
"github.com/Dreamacro/clash/component/fakeip"
|
||||
"github.com/Dreamacro/clash/component/trie"
|
||||
"github.com/Dreamacro/clash/context"
|
||||
"github.com/Dreamacro/clash/log"
|
||||
|
||||
D "github.com/miekg/dns"
|
||||
)
|
||||
|
||||
type handler func(r *D.Msg) (*D.Msg, error)
|
||||
type handler func(ctx *context.DNSContext, r *D.Msg) (*D.Msg, error)
|
||||
type middleware func(next handler) handler
|
||||
|
||||
func withHosts(hosts *trie.DomainTrie) middleware {
|
||||
return func(next handler) handler {
|
||||
return func(r *D.Msg) (*D.Msg, error) {
|
||||
return func(ctx *context.DNSContext, r *D.Msg) (*D.Msg, error) {
|
||||
q := r.Question[0]
|
||||
|
||||
if !isIPRequest(q) {
|
||||
return next(r)
|
||||
return next(ctx, r)
|
||||
}
|
||||
|
||||
record := hosts.Search(strings.TrimRight(q.Name, "."))
|
||||
if record == nil {
|
||||
return next(r)
|
||||
return next(ctx, r)
|
||||
}
|
||||
|
||||
ip := record.Data.(net.IP)
|
||||
@ -46,9 +47,10 @@ func withHosts(hosts *trie.DomainTrie) middleware {
|
||||
|
||||
msg.Answer = []D.RR{rr}
|
||||
} else {
|
||||
return next(r)
|
||||
return next(ctx, r)
|
||||
}
|
||||
|
||||
ctx.SetType(context.DNSTypeHost)
|
||||
msg.SetRcode(r, D.RcodeSuccess)
|
||||
msg.Authoritative = true
|
||||
msg.RecursionAvailable = true
|
||||
@ -60,14 +62,14 @@ func withHosts(hosts *trie.DomainTrie) middleware {
|
||||
|
||||
func withMapping(mapping *cache.LruCache) middleware {
|
||||
return func(next handler) handler {
|
||||
return func(r *D.Msg) (*D.Msg, error) {
|
||||
return func(ctx *context.DNSContext, r *D.Msg) (*D.Msg, error) {
|
||||
q := r.Question[0]
|
||||
|
||||
if !isIPRequest(q) {
|
||||
return next(r)
|
||||
return next(ctx, r)
|
||||
}
|
||||
|
||||
msg, err := next(r)
|
||||
msg, err := next(ctx, r)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
@ -99,12 +101,12 @@ func withMapping(mapping *cache.LruCache) middleware {
|
||||
|
||||
func withFakeIP(fakePool *fakeip.Pool) middleware {
|
||||
return func(next handler) handler {
|
||||
return func(r *D.Msg) (*D.Msg, error) {
|
||||
return func(ctx *context.DNSContext, r *D.Msg) (*D.Msg, error) {
|
||||
q := r.Question[0]
|
||||
|
||||
host := strings.TrimRight(q.Name, ".")
|
||||
if fakePool.LookupHost(host) {
|
||||
return next(r)
|
||||
return next(ctx, r)
|
||||
}
|
||||
|
||||
switch q.Qtype {
|
||||
@ -113,7 +115,7 @@ func withFakeIP(fakePool *fakeip.Pool) middleware {
|
||||
}
|
||||
|
||||
if q.Qtype != D.TypeA {
|
||||
return next(r)
|
||||
return next(ctx, r)
|
||||
}
|
||||
|
||||
rr := &D.A{}
|
||||
@ -123,6 +125,7 @@ func withFakeIP(fakePool *fakeip.Pool) middleware {
|
||||
msg := r.Copy()
|
||||
msg.Answer = []D.RR{rr}
|
||||
|
||||
ctx.SetType(context.DNSTypeFakeIP)
|
||||
setMsgTTL(msg, 1)
|
||||
msg.SetRcode(r, D.RcodeSuccess)
|
||||
msg.Authoritative = true
|
||||
@ -134,7 +137,8 @@ func withFakeIP(fakePool *fakeip.Pool) middleware {
|
||||
}
|
||||
|
||||
func withResolver(resolver *Resolver) handler {
|
||||
return func(r *D.Msg) (*D.Msg, error) {
|
||||
return func(ctx *context.DNSContext, r *D.Msg) (*D.Msg, error) {
|
||||
ctx.SetType(context.DNSTypeRaw)
|
||||
q := r.Question[0]
|
||||
|
||||
// return a empty AAAA msg when ipv6 disabled
|
||||
|
||||
@ -212,7 +212,7 @@ func (r *Resolver) ipExchange(m *D.Msg) (msg *D.Msg, err error) {
|
||||
fallbackMsg := r.asyncExchange(r.fallback, m)
|
||||
res := <-msgCh
|
||||
if res.Error == nil {
|
||||
if ips := r.msgToIP(res.Msg); len(ips) != 0 {
|
||||
if ips := msgToIP(res.Msg); len(ips) != 0 {
|
||||
if !r.shouldIPFallback(ips[0]) {
|
||||
msg = res.Msg // no need to wait for fallback result
|
||||
err = res.Error
|
||||
@ -247,7 +247,7 @@ func (r *Resolver) resolveIP(host string, dnsType uint16) (ip net.IP, err error)
|
||||
return nil, err
|
||||
}
|
||||
|
||||
ips := r.msgToIP(msg)
|
||||
ips := msgToIP(msg)
|
||||
ipLength := len(ips)
|
||||
if ipLength == 0 {
|
||||
return nil, resolver.ErrIPNotFound
|
||||
@ -257,21 +257,6 @@ func (r *Resolver) resolveIP(host string, dnsType uint16) (ip net.IP, err error)
|
||||
return
|
||||
}
|
||||
|
||||
func (r *Resolver) msgToIP(msg *D.Msg) []net.IP {
|
||||
ips := []net.IP{}
|
||||
|
||||
for _, answer := range msg.Answer {
|
||||
switch ans := answer.(type) {
|
||||
case *D.AAAA:
|
||||
ips = append(ips, ans.AAAA)
|
||||
case *D.A:
|
||||
ips = append(ips, ans.A)
|
||||
}
|
||||
}
|
||||
|
||||
return ips
|
||||
}
|
||||
|
||||
func (r *Resolver) msgToDomain(msg *D.Msg) string {
|
||||
if len(msg.Question) > 0 {
|
||||
return strings.TrimRight(msg.Question[0].Name, ".")
|
||||
|
||||
@ -1,9 +1,11 @@
|
||||
package dns
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"net"
|
||||
|
||||
"github.com/Dreamacro/clash/common/sockopt"
|
||||
"github.com/Dreamacro/clash/context"
|
||||
"github.com/Dreamacro/clash/log"
|
||||
|
||||
D "github.com/miekg/dns"
|
||||
@ -21,21 +23,25 @@ type Server struct {
|
||||
handler handler
|
||||
}
|
||||
|
||||
// ServeDNS implement D.Handler ServeDNS
|
||||
func (s *Server) ServeDNS(w D.ResponseWriter, r *D.Msg) {
|
||||
if len(r.Question) == 0 {
|
||||
D.HandleFailed(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
msg, err := s.handler(r)
|
||||
msg, err := handlerWithContext(s.handler, r)
|
||||
if err != nil {
|
||||
D.HandleFailed(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
w.WriteMsg(msg)
|
||||
}
|
||||
|
||||
func handlerWithContext(handler handler, msg *D.Msg) (*D.Msg, error) {
|
||||
if len(msg.Question) == 0 {
|
||||
return nil, errors.New("at least one question is required")
|
||||
}
|
||||
|
||||
ctx := context.NewDNSContext(msg)
|
||||
return handler(ctx, msg)
|
||||
}
|
||||
|
||||
func (s *Server) setHandler(handler handler) {
|
||||
s.handler = handler
|
||||
}
|
||||
|
||||
15
dns/util.go
15
dns/util.go
@ -153,3 +153,18 @@ func handleMsgWithEmptyAnswer(r *D.Msg) *D.Msg {
|
||||
|
||||
return msg
|
||||
}
|
||||
|
||||
func msgToIP(msg *D.Msg) []net.IP {
|
||||
ips := []net.IP{}
|
||||
|
||||
for _, answer := range msg.Answer {
|
||||
switch ans := answer.(type) {
|
||||
case *D.AAAA:
|
||||
ips = append(ips, ans.AAAA)
|
||||
case *D.A:
|
||||
ips = append(ips, ans.A)
|
||||
}
|
||||
}
|
||||
|
||||
return ips
|
||||
}
|
||||
|
||||
20
go.mod
20
go.mod
@ -1,22 +1,22 @@
|
||||
module github.com/Dreamacro/clash
|
||||
|
||||
go 1.15
|
||||
go 1.16
|
||||
|
||||
require (
|
||||
github.com/Dreamacro/go-shadowsocks2 v0.1.6
|
||||
github.com/go-chi/chi v4.1.2+incompatible
|
||||
github.com/go-chi/cors v1.1.1
|
||||
github.com/go-chi/render v1.0.1
|
||||
github.com/gofrs/uuid v3.3.0+incompatible
|
||||
github.com/gofrs/uuid v4.0.0+incompatible
|
||||
github.com/gorilla/websocket v1.4.2
|
||||
github.com/miekg/dns v1.1.35
|
||||
github.com/oschwald/geoip2-golang v1.4.0
|
||||
github.com/sirupsen/logrus v1.7.0
|
||||
github.com/stretchr/testify v1.6.1
|
||||
github.com/miekg/dns v1.1.40
|
||||
github.com/oschwald/geoip2-golang v1.5.0
|
||||
github.com/sirupsen/logrus v1.8.1
|
||||
github.com/stretchr/testify v1.7.0
|
||||
go.uber.org/atomic v1.7.0
|
||||
golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad
|
||||
golang.org/x/net v0.0.0-20201224014010-6772e930b67b
|
||||
golang.org/x/sync v0.0.0-20201207232520-09787c993a3a
|
||||
golang.org/x/sys v0.0.0-20201223074533-0d417f636930
|
||||
golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
|
||||
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110
|
||||
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
|
||||
golang.org/x/sys v0.0.0-20210309074719-68d13333faf2
|
||||
gopkg.in/yaml.v2 v2.4.0
|
||||
)
|
||||
|
||||
43
go.sum
43
go.sum
@ -9,54 +9,52 @@ github.com/go-chi/cors v1.1.1 h1:eHuqxsIw89iXcWnWUN8R72JMibABJTN/4IOYI5WERvw=
|
||||
github.com/go-chi/cors v1.1.1/go.mod h1:K2Yje0VW/SJzxiyMYu6iPQYa7hMjQX2i/F491VChg1I=
|
||||
github.com/go-chi/render v1.0.1 h1:4/5tis2cKaNdnv9zFLfXzcquC9HbeZgCnxGnKrltBS8=
|
||||
github.com/go-chi/render v1.0.1/go.mod h1:pq4Rr7HbnsdaeHagklXub+p6Wd16Af5l9koip1OvJns=
|
||||
github.com/gofrs/uuid v3.3.0+incompatible h1:8K4tyRfvU1CYPgJsveYFQMhpFd/wXNM7iK6rR7UHz84=
|
||||
github.com/gofrs/uuid v3.3.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
|
||||
github.com/gofrs/uuid v4.0.0+incompatible h1:1SD/1F5pU8p29ybwgQSwpQk+mwdRrXCYuPhW6m+TnJw=
|
||||
github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
|
||||
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
|
||||
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
|
||||
github.com/miekg/dns v1.1.35 h1:oTfOaDH+mZkdcgdIjH6yBajRGtIwcwcaR+rt23ZSrJs=
|
||||
github.com/miekg/dns v1.1.35/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
|
||||
github.com/oschwald/geoip2-golang v1.4.0 h1:5RlrjCgRyIGDz/mBmPfnAF4h8k0IAcRv9PvrpOfz+Ug=
|
||||
github.com/oschwald/geoip2-golang v1.4.0/go.mod h1:8QwxJvRImBH+Zl6Aa6MaIcs5YdlZSTKtzmPGzQqi9ng=
|
||||
github.com/oschwald/maxminddb-golang v1.6.0 h1:KAJSjdHQ8Kv45nFIbtoLGrGWqHFajOIm7skTyz/+Dls=
|
||||
github.com/oschwald/maxminddb-golang v1.6.0/go.mod h1:DUJFucBg2cvqx42YmDa/+xHvb0elJtOm3o4aFQ/nb/w=
|
||||
github.com/miekg/dns v1.1.40 h1:pyyPFfGMnciYUk/mXpKkVmeMQjfXqt3FAJ2hy7tPiLA=
|
||||
github.com/miekg/dns v1.1.40/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
|
||||
github.com/oschwald/geoip2-golang v1.5.0 h1:igg2yQIrrcRccB1ytFXqBfOHCjXWIoMv85lVJ1ONZzw=
|
||||
github.com/oschwald/geoip2-golang v1.5.0/go.mod h1:xdvYt5xQzB8ORWFqPnqMwZpCpgNagttWdoZLlJQzg7s=
|
||||
github.com/oschwald/maxminddb-golang v1.8.0 h1:Uh/DSnGoxsyp/KYbY1AuP0tYEwfs0sCph9p/UMXK/Hk=
|
||||
github.com/oschwald/maxminddb-golang v1.8.0/go.mod h1:RXZtst0N6+FY/3qCNmZMBApR19cdQj43/NM9VkrNAis=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
|
||||
github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
|
||||
github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
|
||||
github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
|
||||
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
||||
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
|
||||
github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
|
||||
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
|
||||
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
|
||||
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
|
||||
go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
|
||||
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
|
||||
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
|
||||
golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
|
||||
golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad h1:DN0cp81fZ3njFcrLCytUHRSUkqBjfTo4Tx9RJTWs0EY=
|
||||
golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
|
||||
golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 h1:/ZScEX8SfEmUGRHs0gxpqteO5nfNW6axyZbBdw9A12g=
|
||||
golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
|
||||
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
|
||||
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
|
||||
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||
golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||
golang.org/x/net v0.0.0-20201224014010-6772e930b67b h1:iFwSg7t5GZmB/Q5TjiEAsdoLDrdJRC1RiF2WhuV29Qw=
|
||||
golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
|
||||
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 h1:qWPm9rbaAMKs8Bq/9LRpbMqxWRVUAQwMI9fVrssnTfw=
|
||||
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
|
||||
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20201207232520-09787c993a3a h1:DcqTD9SDLc+1P/r1EmRBwnVsrOwW+kk2vWf9n+1sGhs=
|
||||
golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
|
||||
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20191224085550-c709ea063b76/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68 h1:nxC68pudNYkKU6jWhgrqdreuFiOQWj1Fs7T3VrH4Pjw=
|
||||
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20201223074533-0d417f636930 h1:vRgIt+nup/B/BwIS0g2oC0haq0iqbV3ZA+u6+0TlNCo=
|
||||
golang.org/x/sys v0.0.0-20201223074533-0d417f636930/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20210309074719-68d13333faf2 h1:46ULzRKLh1CwgRq2dC5SlBzEqqNCi8rreOZnNrbqcIY=
|
||||
golang.org/x/sys v0.0.0-20210309074719-68d13333faf2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
|
||||
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
|
||||
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
|
||||
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
|
||||
@ -65,7 +63,6 @@ golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapK
|
||||
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||
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/yaml.v2 v2.2.2/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 h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
|
||||
|
||||
@ -6,9 +6,13 @@ import (
|
||||
"os"
|
||||
"sync"
|
||||
|
||||
"github.com/Dreamacro/clash/adapters/outbound"
|
||||
"github.com/Dreamacro/clash/adapters/outboundgroup"
|
||||
"github.com/Dreamacro/clash/adapters/provider"
|
||||
"github.com/Dreamacro/clash/component/auth"
|
||||
"github.com/Dreamacro/clash/component/dialer"
|
||||
"github.com/Dreamacro/clash/component/profile"
|
||||
"github.com/Dreamacro/clash/component/profile/cachefile"
|
||||
"github.com/Dreamacro/clash/component/resolver"
|
||||
"github.com/Dreamacro/clash/component/trie"
|
||||
"github.com/Dreamacro/clash/config"
|
||||
@ -72,6 +76,7 @@ func ApplyConfig(cfg *config.Config, force bool) {
|
||||
updateDNS(cfg.DNS)
|
||||
updateHosts(cfg.Hosts)
|
||||
updateExperimental(cfg)
|
||||
updateProfile(cfg)
|
||||
}
|
||||
|
||||
func GetGeneral() *config.General {
|
||||
@ -94,6 +99,7 @@ func GetGeneral() *config.General {
|
||||
},
|
||||
Mode: tunnel.Mode(),
|
||||
LogLevel: log.Level(),
|
||||
IPv6: !resolver.DisableIPv6,
|
||||
}
|
||||
|
||||
return general
|
||||
@ -208,3 +214,38 @@ func updateUsers(users []auth.AuthUser) {
|
||||
log.Infoln("Authentication of local server updated")
|
||||
}
|
||||
}
|
||||
|
||||
func updateProfile(cfg *config.Config) {
|
||||
profileCfg := cfg.Profile
|
||||
|
||||
profile.StoreSelected.Store(profileCfg.StoreSelected)
|
||||
if profileCfg.StoreSelected {
|
||||
patchSelectGroup(cfg.Proxies)
|
||||
}
|
||||
}
|
||||
|
||||
func patchSelectGroup(proxies map[string]C.Proxy) {
|
||||
mapping := cachefile.Cache().SelectedMap()
|
||||
if mapping == nil {
|
||||
return
|
||||
}
|
||||
|
||||
for name, proxy := range proxies {
|
||||
outbound, ok := proxy.(*outbound.Proxy)
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
|
||||
selector, ok := outbound.ProxyAdapter.(*outboundgroup.Selector)
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
|
||||
selected, exist := mapping[name]
|
||||
if !exist {
|
||||
continue
|
||||
}
|
||||
|
||||
selector.Set(selected)
|
||||
}
|
||||
}
|
||||
|
||||
@ -4,6 +4,7 @@ import (
|
||||
"net/http"
|
||||
"path/filepath"
|
||||
|
||||
"github.com/Dreamacro/clash/component/resolver"
|
||||
"github.com/Dreamacro/clash/config"
|
||||
"github.com/Dreamacro/clash/hub/executor"
|
||||
"github.com/Dreamacro/clash/log"
|
||||
@ -32,6 +33,7 @@ type configSchema struct {
|
||||
BindAddress *string `json:"bind-address"`
|
||||
Mode *tunnel.TunnelMode `json:"mode"`
|
||||
LogLevel *log.LogLevel `json:"log-level"`
|
||||
IPv6 *bool `json:"ipv6"`
|
||||
}
|
||||
|
||||
func getConfigs(w http.ResponseWriter, r *http.Request) {
|
||||
@ -78,6 +80,10 @@ func patchConfigs(w http.ResponseWriter, r *http.Request) {
|
||||
log.SetLevel(*general.LogLevel)
|
||||
}
|
||||
|
||||
if general.IPv6 != nil {
|
||||
resolver.DisableIPv6 = !*general.IPv6
|
||||
}
|
||||
|
||||
render.NoContent(w, r)
|
||||
}
|
||||
|
||||
|
||||
@ -7,7 +7,7 @@ import (
|
||||
"strconv"
|
||||
"time"
|
||||
|
||||
T "github.com/Dreamacro/clash/tunnel"
|
||||
"github.com/Dreamacro/clash/tunnel/statistic"
|
||||
"github.com/gorilla/websocket"
|
||||
|
||||
"github.com/go-chi/chi"
|
||||
@ -24,7 +24,7 @@ func connectionRouter() http.Handler {
|
||||
|
||||
func getConnections(w http.ResponseWriter, r *http.Request) {
|
||||
if !websocket.IsWebSocketUpgrade(r) {
|
||||
snapshot := T.DefaultManager.Snapshot()
|
||||
snapshot := statistic.DefaultManager.Snapshot()
|
||||
render.JSON(w, r, snapshot)
|
||||
return
|
||||
}
|
||||
@ -50,7 +50,7 @@ func getConnections(w http.ResponseWriter, r *http.Request) {
|
||||
buf := &bytes.Buffer{}
|
||||
sendSnapshot := func() error {
|
||||
buf.Reset()
|
||||
snapshot := T.DefaultManager.Snapshot()
|
||||
snapshot := statistic.DefaultManager.Snapshot()
|
||||
if err := json.NewEncoder(buf).Encode(snapshot); err != nil {
|
||||
return err
|
||||
}
|
||||
@ -73,7 +73,7 @@ func getConnections(w http.ResponseWriter, r *http.Request) {
|
||||
|
||||
func closeConnection(w http.ResponseWriter, r *http.Request) {
|
||||
id := chi.URLParam(r, "id")
|
||||
snapshot := T.DefaultManager.Snapshot()
|
||||
snapshot := statistic.DefaultManager.Snapshot()
|
||||
for _, c := range snapshot.Connections {
|
||||
if id == c.ID() {
|
||||
c.Close()
|
||||
@ -84,7 +84,7 @@ func closeConnection(w http.ResponseWriter, r *http.Request) {
|
||||
}
|
||||
|
||||
func closeAllConnections(w http.ResponseWriter, r *http.Request) {
|
||||
snapshot := T.DefaultManager.Snapshot()
|
||||
snapshot := statistic.DefaultManager.Snapshot()
|
||||
for _, c := range snapshot.Connections {
|
||||
c.Close()
|
||||
}
|
||||
|
||||
@ -9,6 +9,7 @@ import (
|
||||
|
||||
"github.com/Dreamacro/clash/adapters/outbound"
|
||||
"github.com/Dreamacro/clash/adapters/outboundgroup"
|
||||
"github.com/Dreamacro/clash/component/profile/cachefile"
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
"github.com/Dreamacro/clash/tunnel"
|
||||
|
||||
@ -91,6 +92,7 @@ func updateProxy(w http.ResponseWriter, r *http.Request) {
|
||||
return
|
||||
}
|
||||
|
||||
cachefile.Cache().SetSelected(proxy.Name(), req.Name)
|
||||
render.NoContent(w, r)
|
||||
}
|
||||
|
||||
|
||||
@ -9,7 +9,7 @@ import (
|
||||
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
"github.com/Dreamacro/clash/log"
|
||||
T "github.com/Dreamacro/clash/tunnel"
|
||||
"github.com/Dreamacro/clash/tunnel/statistic"
|
||||
|
||||
"github.com/go-chi/chi"
|
||||
"github.com/go-chi/cors"
|
||||
@ -143,7 +143,7 @@ func traffic(w http.ResponseWriter, r *http.Request) {
|
||||
|
||||
tick := time.NewTicker(time.Second)
|
||||
defer tick.Stop()
|
||||
t := T.DefaultManager
|
||||
t := statistic.DefaultManager
|
||||
buf := &bytes.Buffer{}
|
||||
var err error
|
||||
for range tick.C {
|
||||
|
||||
@ -10,18 +10,22 @@ import (
|
||||
"time"
|
||||
|
||||
"github.com/Dreamacro/clash/adapters/inbound"
|
||||
N "github.com/Dreamacro/clash/common/net"
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/component/resolver"
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
"github.com/Dreamacro/clash/context"
|
||||
)
|
||||
|
||||
func handleHTTP(request *inbound.HTTPAdapter, outbound net.Conn) {
|
||||
req := request.R
|
||||
host := req.Host
|
||||
func handleHTTP(ctx *context.HTTPContext, outbound net.Conn) {
|
||||
req := ctx.Request()
|
||||
conn := ctx.Conn()
|
||||
|
||||
inboundReader := bufio.NewReader(request)
|
||||
inboundReader := bufio.NewReader(conn)
|
||||
outboundReader := bufio.NewReader(outbound)
|
||||
|
||||
inbound.RemoveExtraHTTPHostPort(req)
|
||||
host := req.Host
|
||||
for {
|
||||
keepAlive := strings.TrimSpace(strings.ToLower(req.Header.Get("Proxy-Connection"))) == "keep-alive"
|
||||
|
||||
@ -34,6 +38,8 @@ func handleHTTP(request *inbound.HTTPAdapter, outbound net.Conn) {
|
||||
}
|
||||
|
||||
handleResponse:
|
||||
// resp will be closed after we call resp.Write()
|
||||
// see https://golang.org/pkg/net/http/#Response.Write
|
||||
resp, err := http.ReadResponse(outboundReader, req)
|
||||
if err != nil {
|
||||
break
|
||||
@ -41,7 +47,7 @@ func handleHTTP(request *inbound.HTTPAdapter, outbound net.Conn) {
|
||||
inbound.RemoveHopByHopHeaders(resp.Header)
|
||||
|
||||
if resp.StatusCode == http.StatusContinue {
|
||||
err = resp.Write(request)
|
||||
err = resp.Write(conn)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
@ -56,14 +62,14 @@ func handleHTTP(request *inbound.HTTPAdapter, outbound net.Conn) {
|
||||
} else {
|
||||
resp.Close = true
|
||||
}
|
||||
err = resp.Write(request)
|
||||
err = resp.Write(conn)
|
||||
if err != nil || resp.Close {
|
||||
break
|
||||
}
|
||||
|
||||
// even if resp.Write write body to the connection, but some http request have to Copy to close it
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
_, err = io.CopyBuffer(request, resp.Body, buf)
|
||||
_, err = io.CopyBuffer(conn, resp.Body, buf)
|
||||
pool.Put(buf)
|
||||
if err != nil && err != io.EOF {
|
||||
break
|
||||
@ -74,6 +80,7 @@ func handleHTTP(request *inbound.HTTPAdapter, outbound net.Conn) {
|
||||
break
|
||||
}
|
||||
|
||||
inbound.RemoveExtraHTTPHostPort(req)
|
||||
// Sometimes firefox just open a socket to process multiple domains in HTTP
|
||||
// The temporary solution is close connection when encountering different HOST
|
||||
if req.Host != host {
|
||||
@ -99,8 +106,13 @@ func handleUDPToRemote(packet C.UDPPacket, pc C.PacketConn, metadata *C.Metadata
|
||||
return errors.New("udp addr invalid")
|
||||
}
|
||||
|
||||
_, err := pc.WriteTo(packet.Data(), addr)
|
||||
return err
|
||||
if _, err := pc.WriteTo(packet.Data(), addr); err != nil {
|
||||
return err
|
||||
}
|
||||
// reset timeout
|
||||
pc.SetReadDeadline(time.Now().Add(udpTimeout))
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func handleUDPToLocal(packet C.UDPPacket, pc net.PacketConn, key string, fAddr net.Addr) {
|
||||
@ -127,8 +139,8 @@ func handleUDPToLocal(packet C.UDPPacket, pc net.PacketConn, key string, fAddr n
|
||||
}
|
||||
}
|
||||
|
||||
func handleSocket(request C.ServerAdapter, outbound net.Conn) {
|
||||
relay(request, outbound)
|
||||
func handleSocket(ctx C.ConnContext, outbound net.Conn) {
|
||||
relay(ctx.Conn(), outbound)
|
||||
}
|
||||
|
||||
// relay copies between left and right bidirectionally.
|
||||
@ -137,14 +149,16 @@ func relay(leftConn, rightConn net.Conn) {
|
||||
|
||||
go func() {
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
_, err := io.CopyBuffer(leftConn, rightConn, buf)
|
||||
// Wrapping to avoid using *net.TCPConn.(ReadFrom)
|
||||
// See also https://github.com/Dreamacro/clash/pull/1209
|
||||
_, err := io.CopyBuffer(N.WriteOnlyWriter{Writer: leftConn}, N.ReadOnlyReader{Reader: rightConn}, buf)
|
||||
pool.Put(buf)
|
||||
leftConn.SetReadDeadline(time.Now())
|
||||
ch <- err
|
||||
}()
|
||||
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
io.CopyBuffer(rightConn, leftConn, buf)
|
||||
io.CopyBuffer(N.WriteOnlyWriter{Writer: rightConn}, N.ReadOnlyReader{Reader: leftConn}, buf)
|
||||
pool.Put(buf)
|
||||
rightConn.SetReadDeadline(time.Now())
|
||||
<-ch
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
package tunnel
|
||||
package statistic
|
||||
|
||||
import (
|
||||
"sync"
|
||||
@ -1,4 +1,4 @@
|
||||
package tunnel
|
||||
package statistic
|
||||
|
||||
import (
|
||||
"net"
|
||||
@ -57,7 +57,7 @@ func (tt *tcpTracker) Close() error {
|
||||
return tt.Conn.Close()
|
||||
}
|
||||
|
||||
func newTCPTracker(conn C.Conn, manager *Manager, metadata *C.Metadata, rule C.Rule) *tcpTracker {
|
||||
func NewTCPTracker(conn C.Conn, manager *Manager, metadata *C.Metadata, rule C.Rule) *tcpTracker {
|
||||
uuid, _ := uuid.NewV4()
|
||||
|
||||
t := &tcpTracker{
|
||||
@ -114,7 +114,7 @@ func (ut *udpTracker) Close() error {
|
||||
return ut.PacketConn.Close()
|
||||
}
|
||||
|
||||
func newUDPTracker(conn C.PacketConn, manager *Manager, metadata *C.Metadata, rule C.Rule) *udpTracker {
|
||||
func NewUDPTracker(conn C.PacketConn, manager *Manager, metadata *C.Metadata, rule C.Rule) *udpTracker {
|
||||
uuid, _ := uuid.NewV4()
|
||||
|
||||
ut := &udpTracker{
|
||||
@ -12,11 +12,13 @@ import (
|
||||
"github.com/Dreamacro/clash/component/nat"
|
||||
"github.com/Dreamacro/clash/component/resolver"
|
||||
C "github.com/Dreamacro/clash/constant"
|
||||
"github.com/Dreamacro/clash/context"
|
||||
"github.com/Dreamacro/clash/log"
|
||||
"github.com/Dreamacro/clash/tunnel/statistic"
|
||||
)
|
||||
|
||||
var (
|
||||
tcpQueue = make(chan C.ServerAdapter, 200)
|
||||
tcpQueue = make(chan C.ConnContext, 200)
|
||||
udpQueue = make(chan *inbound.PacketAdapter, 200)
|
||||
natTable = nat.New()
|
||||
rules []C.Rule
|
||||
@ -36,8 +38,8 @@ func init() {
|
||||
}
|
||||
|
||||
// Add request to queue
|
||||
func Add(req C.ServerAdapter) {
|
||||
tcpQueue <- req
|
||||
func Add(ctx C.ConnContext) {
|
||||
tcpQueue <- ctx
|
||||
}
|
||||
|
||||
// AddPacket add udp Packet to queue
|
||||
@ -119,6 +121,7 @@ func preHandleMetadata(metadata *C.Metadata) error {
|
||||
// handle IP string on host
|
||||
if ip := net.ParseIP(metadata.Host); ip != nil {
|
||||
metadata.DstIP = ip
|
||||
metadata.Host = ""
|
||||
}
|
||||
|
||||
// preprocess enhanced-mode metadata
|
||||
@ -141,9 +144,7 @@ func preHandleMetadata(metadata *C.Metadata) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func resolveMetadata(metadata *C.Metadata) (C.Proxy, C.Rule, error) {
|
||||
var proxy C.Proxy
|
||||
var rule C.Rule
|
||||
func resolveMetadata(ctx C.PlainContext, metadata *C.Metadata) (proxy C.Proxy, rule C.Rule, err error) {
|
||||
switch mode {
|
||||
case Direct:
|
||||
proxy = proxies["DIRECT"]
|
||||
@ -151,13 +152,9 @@ func resolveMetadata(metadata *C.Metadata) (C.Proxy, C.Rule, error) {
|
||||
proxy = proxies["GLOBAL"]
|
||||
// Rule
|
||||
default:
|
||||
var err error
|
||||
proxy, rule, err = match(metadata)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
}
|
||||
return proxy, rule, nil
|
||||
return
|
||||
}
|
||||
|
||||
func handleUDPConn(packet *inbound.PacketAdapter) {
|
||||
@ -210,7 +207,8 @@ func handleUDPConn(packet *inbound.PacketAdapter) {
|
||||
cond.Broadcast()
|
||||
}()
|
||||
|
||||
proxy, rule, err := resolveMetadata(metadata)
|
||||
ctx := context.NewPacketConnContext(metadata)
|
||||
proxy, rule, err := resolveMetadata(ctx, metadata)
|
||||
if err != nil {
|
||||
log.Warnln("[UDP] Parse metadata failed: %s", err.Error())
|
||||
return
|
||||
@ -225,7 +223,8 @@ func handleUDPConn(packet *inbound.PacketAdapter) {
|
||||
}
|
||||
return
|
||||
}
|
||||
pc := newUDPTracker(rawPc, DefaultManager, metadata, rule)
|
||||
ctx.InjectPacketConn(rawPc)
|
||||
pc := statistic.NewUDPTracker(rawPc, statistic.DefaultManager, metadata, rule)
|
||||
|
||||
switch true {
|
||||
case rule != nil:
|
||||
@ -245,10 +244,10 @@ func handleUDPConn(packet *inbound.PacketAdapter) {
|
||||
}()
|
||||
}
|
||||
|
||||
func handleTCPConn(localConn C.ServerAdapter) {
|
||||
defer localConn.Close()
|
||||
func handleTCPConn(ctx C.ConnContext) {
|
||||
defer ctx.Conn().Close()
|
||||
|
||||
metadata := localConn.Metadata()
|
||||
metadata := ctx.Metadata()
|
||||
if !metadata.Valid() {
|
||||
log.Warnln("[Metadata] not valid: %#v", metadata)
|
||||
return
|
||||
@ -259,7 +258,7 @@ func handleTCPConn(localConn C.ServerAdapter) {
|
||||
return
|
||||
}
|
||||
|
||||
proxy, rule, err := resolveMetadata(metadata)
|
||||
proxy, rule, err := resolveMetadata(ctx, metadata)
|
||||
if err != nil {
|
||||
log.Warnln("[Metadata] parse failed: %s", err.Error())
|
||||
return
|
||||
@ -274,7 +273,7 @@ func handleTCPConn(localConn C.ServerAdapter) {
|
||||
}
|
||||
return
|
||||
}
|
||||
remoteConn = newTCPTracker(remoteConn, DefaultManager, metadata, rule)
|
||||
remoteConn = statistic.NewTCPTracker(remoteConn, statistic.DefaultManager, metadata, rule)
|
||||
defer remoteConn.Close()
|
||||
|
||||
switch true {
|
||||
@ -288,11 +287,11 @@ func handleTCPConn(localConn C.ServerAdapter) {
|
||||
log.Infoln("[TCP] %s --> %v doesn't match any rule using DIRECT", metadata.SourceAddress(), metadata.String())
|
||||
}
|
||||
|
||||
switch adapter := localConn.(type) {
|
||||
case *inbound.HTTPAdapter:
|
||||
handleHTTP(adapter, remoteConn)
|
||||
case *inbound.SocketAdapter:
|
||||
handleSocket(adapter, remoteConn)
|
||||
switch c := ctx.(type) {
|
||||
case *context.HTTPContext:
|
||||
handleHTTP(c, remoteConn)
|
||||
default:
|
||||
handleSocket(ctx, remoteConn)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user