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http: support auth in server mode. #84

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nadoo 2019-10-19 22:16:15 +08:00
parent 2560f6727f
commit ef8cdfa703
8 changed files with 445 additions and 303 deletions
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16
README.md
View File

@ -116,7 +116,7 @@ glider -config CONFIGPATH -listen :8080 -verbose
## Usage
```bash
glider 0.8.0 usage:
glider 0.9.0 usage:
-checkinterval int
proxy check interval(seconds) (default 30)
-checktimeout int
@ -191,6 +191,7 @@ Available methods for ss:
AES-128-CFB AES-128-CTR AES-192-CFB AES-192-CTR AES-256-CFB AES-256-CTR CHACHA20-IETF XCHACHA20 CHACHA20 RC4-MD5
Alias:
chacha20-ietf-poly1305 = AEAD_CHACHA20_POLY1305, xchacha20-ietf-poly1305 = AEAD_XCHACHA20_POLY1305
Plain: DUMMY
SSR scheme:
ssr://method:pass@host:port?protocol=xxx&protocol_param=yyy&obfs=zzz&obfs_param=xyz
@ -282,17 +283,14 @@ Examples:
glider -config glider.conf
-run glider with specified config file.
glider -config glider.conf -rulefile office.rule -rulefile home.rule
-run glider with specified global config file and rule config files.
glider -listen :8443 -verbose
-listen on :8443, serve as http/socks5 proxy on the same port, in verbose mode.
glider -listen :8443
-listen on :8443, serve as http/socks5 proxy on the same port.
glider -listen ss://AEAD_CHACHA20_POLY1305:pass@:8443
glider -listen ss://AEAD_CHACHA20_POLY1305:pass@:8443 -verbose
-listen on 0.0.0.0:8443 as a ss server.
glider -listen socks5://:1080 -verbose
-listen on :1080 as a socks5 proxy server, in verbose mode.
glider -listen socks5://user1:pass1@:1080 -verbose
-listen on :1080 as a socks5 proxy server, enable authentication.
glider -listen tls://:443?cert=crtFilePath&key=keyFilePath,http:// -verbose
-listen on :443 as a https(http over tls) proxy server.

13
conf.go
View File

@ -255,17 +255,14 @@ func usage() {
fmt.Fprintf(os.Stderr, " "+app+" -config glider.conf\n")
fmt.Fprintf(os.Stderr, " -run glider with specified config file.\n")
fmt.Fprintf(os.Stderr, "\n")
fmt.Fprintf(os.Stderr, " "+app+" -config glider.conf -rulefile office.rule -rulefile home.rule\n")
fmt.Fprintf(os.Stderr, " -run glider with specified global config file and rule config files.\n")
fmt.Fprintf(os.Stderr, " "+app+" -listen :8443 -verbose\n")
fmt.Fprintf(os.Stderr, " -listen on :8443, serve as http/socks5 proxy on the same port, in verbose mode.\n")
fmt.Fprintf(os.Stderr, "\n")
fmt.Fprintf(os.Stderr, " "+app+" -listen :8443\n")
fmt.Fprintf(os.Stderr, " -listen on :8443, serve as http/socks5 proxy on the same port.\n")
fmt.Fprintf(os.Stderr, "\n")
fmt.Fprintf(os.Stderr, " "+app+" -listen ss://AEAD_CHACHA20_POLY1305:pass@:8443\n")
fmt.Fprintf(os.Stderr, " "+app+" -listen ss://AEAD_CHACHA20_POLY1305:pass@:8443 -verbose\n")
fmt.Fprintf(os.Stderr, " -listen on 0.0.0.0:8443 as a ss server.\n")
fmt.Fprintf(os.Stderr, "\n")
fmt.Fprintf(os.Stderr, " "+app+" -listen socks5://:1080 -verbose\n")
fmt.Fprintf(os.Stderr, " -listen on :1080 as a socks5 proxy server, in verbose mode.\n")
fmt.Fprintf(os.Stderr, " "+app+" -listen socks5://user1:pass1@:1080 -verbose\n")
fmt.Fprintf(os.Stderr, " -listen on :1080 as a socks5 proxy server, enable authentication.\n")
fmt.Fprintf(os.Stderr, "\n")
fmt.Fprintf(os.Stderr, " "+app+" -listen tls://:443?cert=crtFilePath&key=keyFilePath,http:// -verbose\n")
fmt.Fprintf(os.Stderr, " -listen on :443 as a https(http over tls) proxy server.\n")

81
proxy/http/client.go Normal file
View File

@ -0,0 +1,81 @@
package http
import (
"bytes"
"encoding/base64"
"errors"
"net"
"net/textproto"
"github.com/nadoo/glider/common/conn"
"github.com/nadoo/glider/common/log"
"github.com/nadoo/glider/proxy"
)
// NewHTTPDialer returns a http proxy dialer.
func NewHTTPDialer(s string, d proxy.Dialer) (proxy.Dialer, error) {
return NewHTTP(s, d, nil)
}
// Addr returns forwarder's address.
func (s *HTTP) Addr() string {
if s.addr == "" {
return s.dialer.Addr()
}
return s.addr
}
// Dial connects to the address addr on the network net via the proxy.
func (s *HTTP) Dial(network, addr string) (net.Conn, error) {
rc, err := s.dialer.Dial(network, s.addr)
if err != nil {
log.F("[http] dial to %s error: %s", s.addr, err)
return nil, err
}
var buf bytes.Buffer
buf.WriteString("CONNECT " + addr + " HTTP/1.1\r\n")
buf.WriteString("Host: " + addr + "\r\n")
buf.WriteString("Proxy-Connection: Keep-Alive\r\n")
if s.user != "" && s.password != "" {
auth := s.user + ":" + s.password
buf.Write([]byte("Proxy-Authorization: Basic " + base64.StdEncoding.EncodeToString([]byte(auth)) + "\r\n"))
}
// header ended
buf.WriteString("\r\n")
_, err = rc.Write(buf.Bytes())
if err != nil {
return nil, err
}
c := conn.NewConn(rc)
tpr := textproto.NewReader(c.Reader())
line, err := tpr.ReadLine()
if err != nil {
return c, err
}
_, code, _, ok := parseStartLine(line)
if ok && code == "200" {
tpr.ReadMIMEHeader()
return c, err
}
switch code {
case "403":
log.F("[http] 'CONNECT' to ports other than 443 are not allowed by proxy %s", s.addr)
case "405":
log.F("[http] 'CONNECT' method not allowed by proxy %s", s.addr)
case "407":
log.F("[http] authencation needed by proxy %s", s.addr)
}
return nil, errors.New("[http] can not connect remote address: " + addr + ". error code: " + code)
}
// DialUDP connects to the given address via the proxy.
func (s *HTTP) DialUDP(network, addr string) (pc net.PacketConn, writeTo net.Addr, err error) {
return nil, nil, errors.New("http client does not support udp")
}

253
proxy/http/http.go
View File

@ -5,19 +5,12 @@
package http
import (
"bufio"
"bytes"
"encoding/base64"
"errors"
"fmt"
"io"
"net"
"net/textproto"
"net/url"
"strings"
"time"
"github.com/nadoo/glider/common/conn"
"github.com/nadoo/glider/common/log"
"github.com/nadoo/glider/proxy"
)
@ -29,7 +22,7 @@ type HTTP struct {
addr string
user string
password string
pretendAsWebServer bool
pretend bool
}
func init() {
@ -55,235 +48,18 @@ func NewHTTP(s string, d proxy.Dialer, p proxy.Proxy) (*HTTP, error) {
addr: addr,
user: user,
password: pass,
pretendAsWebServer: false,
pretend: false,
}
pretend := u.Query().Get("pretend")
if pretend == "true" {
h.pretendAsWebServer = true
if u.Query().Get("pretend") == "true" {
h.pretend = true
}
return h, nil
}
// NewHTTPDialer returns a http proxy dialer.
func NewHTTPDialer(s string, d proxy.Dialer) (proxy.Dialer, error) {
return NewHTTP(s, d, nil)
}
// NewHTTPServer returns a http proxy server.
func NewHTTPServer(s string, p proxy.Proxy) (proxy.Server, error) {
return NewHTTP(s, nil, p)
}
// ListenAndServe listens on server's addr and serves connections.
func (s *HTTP) ListenAndServe() {
l, err := net.Listen("tcp", s.addr)
if err != nil {
log.F("[http] failed to listen on %s: %v", s.addr, err)
return
}
defer l.Close()
log.F("[http] listening TCP on %s", s.addr)
for {
c, err := l.Accept()
if err != nil {
log.F("[http] failed to accept: %v", err)
continue
}
go s.Serve(c)
}
}
// Serve serves a connection.
func (s *HTTP) Serve(c net.Conn) {
defer c.Close()
if c, ok := c.(*net.TCPConn); ok {
c.SetKeepAlive(true)
}
reqR := bufio.NewReader(c)
reqTP := textproto.NewReader(reqR)
method, requestURI, proto, ok := parseStartLine(reqTP)
if !ok {
return
}
if s.pretendAsWebServer {
fmt.Fprintf(c, "%s 404 Not Found\r\nServer: nginx\r\n\r\n404 Not Found\r\n", proto)
log.F("[http pretender] being accessed as web server from %s", c.RemoteAddr().String())
return
}
if method == "CONNECT" {
s.servHTTPS(method, requestURI, proto, c)
return
}
reqHeader, err := reqTP.ReadMIMEHeader()
if err != nil {
log.F("[http] read header error:%s", err)
return
}
cleanHeaders(reqHeader)
// tell the remote server not to keep alive
reqHeader.Set("Connection", "close")
u, err := url.ParseRequestURI(requestURI)
if err != nil {
log.F("[http] parse request url error: %s", err)
return
}
tgt := u.Host
if !strings.Contains(u.Host, ":") {
tgt += ":80"
}
rc, p, err := s.proxy.Dial("tcp", tgt)
if err != nil {
fmt.Fprintf(c, "%s 502 ERROR\r\n\r\n", proto)
log.F("[http] %s <-> %s via %s, error in dial: %v", c.RemoteAddr(), tgt, p, err)
return
}
defer rc.Close()
// GET http://example.com/a/index.htm HTTP/1.1 -->
// GET /a/index.htm HTTP/1.1
u.Scheme, u.Host = "", ""
uri := u.String()
var buf bytes.Buffer
writeStartLine(&buf, method, uri, proto)
writeHeaders(&buf, reqHeader)
// send request to remote server
rc.Write(buf.Bytes())
// copy the left request bytes to remote server. eg. length specificed or chunked body
go func() {
if _, err := reqR.Peek(1); err == nil {
io.Copy(rc, reqR)
rc.SetDeadline(time.Now())
c.SetDeadline(time.Now())
}
}()
respR := bufio.NewReader(rc)
respTP := textproto.NewReader(respR)
proto, code, status, ok := parseStartLine(respTP)
if !ok {
return
}
respHeader, err := respTP.ReadMIMEHeader()
if err != nil {
log.F("[http] %s <-> %s via %s, read header error: %v", c.RemoteAddr(), tgt, p, err)
return
}
respHeader.Set("Proxy-Connection", "close")
respHeader.Set("Connection", "close")
buf.Reset()
writeStartLine(&buf, proto, code, status)
writeHeaders(&buf, respHeader)
log.F("[http] %s <-> %s via %s", c.RemoteAddr(), tgt, p)
c.Write(buf.Bytes())
io.Copy(c, respR)
}
func (s *HTTP) servHTTPS(method, requestURI, proto string, c net.Conn) {
rc, p, err := s.proxy.Dial("tcp", requestURI)
if err != nil {
c.Write([]byte(proto))
c.Write([]byte(" 502 ERROR\r\n\r\n"))
log.F("[http] %s <-> %s [c] via %s, error in dial: %v", c.RemoteAddr(), requestURI, p, err)
return
}
c.Write([]byte("HTTP/1.1 200 Connection established\r\n\r\n"))
log.F("[http] %s <-> %s [c] via %s", c.RemoteAddr(), requestURI, p)
_, _, err = conn.Relay(c, rc)
if err != nil {
if err, ok := err.(net.Error); ok && err.Timeout() {
return // ignore i/o timeout
}
log.F("[http] relay error: %v", err)
}
}
// Addr returns forwarder's address.
func (s *HTTP) Addr() string {
if s.addr == "" {
return s.dialer.Addr()
}
return s.addr
}
// Dial connects to the address addr on the network net via the proxy.
func (s *HTTP) Dial(network, addr string) (net.Conn, error) {
rc, err := s.dialer.Dial(network, s.addr)
if err != nil {
log.F("[http] dial to %s error: %s", s.addr, err)
return nil, err
}
var buf bytes.Buffer
buf.WriteString("CONNECT " + addr + " HTTP/1.1\r\n")
buf.WriteString("Host: " + addr + "\r\n")
buf.WriteString("Proxy-Connection: Keep-Alive\r\n")
if s.user != "" && s.password != "" {
auth := s.user + ":" + s.password
buf.Write([]byte("Proxy-Authorization: Basic " + base64.StdEncoding.EncodeToString([]byte(auth)) + "\r\n"))
}
// header ended
buf.WriteString("\r\n")
_, err = rc.Write(buf.Bytes())
if err != nil {
return nil, err
}
c := conn.NewConn(rc)
tpr := textproto.NewReader(c.Reader())
_, code, _, ok := parseStartLine(tpr)
if ok && code == "200" {
tpr.ReadMIMEHeader()
return c, err
}
if code == "407" {
log.F("[http] authencation needed by proxy %s", s.addr)
} else if code == "405" {
log.F("[http] 'CONNECT' method not allowed by proxy %s", s.addr)
}
return nil, errors.New("[http] can not connect remote address: " + addr + ". error code: " + code)
}
// DialUDP connects to the given address via the proxy.
func (s *HTTP) DialUDP(network, addr string) (pc net.PacketConn, writeTo net.Addr, err error) {
return nil, nil, errors.New("http client does not support udp")
}
// parseStartLine parses "GET /foo HTTP/1.1" OR "HTTP/1.1 200 OK" into its three parts.
func parseStartLine(tp *textproto.Reader) (r1, r2, r3 string, ok bool) {
line, err := tp.ReadLine()
if err != nil {
return
}
func parseStartLine(line string) (r1, r2, r3 string, ok bool) {
s1 := strings.Index(line, " ")
s2 := strings.Index(line[s1+1:], " ")
if s1 < 0 || s2 < 0 {
@ -317,3 +93,22 @@ func writeHeaders(buf *bytes.Buffer, header textproto.MIMEHeader) {
}
buf.WriteString("\r\n")
}
func extractUserPass(auth string) (username, password string, ok bool) {
if !strings.HasPrefix(auth, "Basic ") {
return
}
b, err := base64.StdEncoding.DecodeString(strings.TrimPrefix(auth, "Basic "))
if err != nil {
return
}
s := string(b)
idx := strings.IndexByte(s, ':')
if idx < 0 {
return
}
return s[:idx], s[idx+1:], true
}

113
proxy/http/request.go Normal file
View File

@ -0,0 +1,113 @@
package http
import (
"bufio"
"bytes"
"net/textproto"
"net/url"
"strings"
"github.com/nadoo/glider/common/log"
)
// Methods are http methods from rfc.
// https://www.ietf.org/rfc/rfc2616.txt, http methods must be uppercase
var Methods = [...][]byte{
[]byte("GET"),
[]byte("POST"),
[]byte("PUT"),
[]byte("DELETE"),
[]byte("CONNECT"),
[]byte("HEAD"),
[]byte("OPTIONS"),
[]byte("TRACE"),
[]byte("PATCH"),
}
type request struct {
method string
uri string
proto string
auth string
header textproto.MIMEHeader
target string // target host with port
ruri string // relative uri
absuri string // absolute uri
}
func parseRequest(r *bufio.Reader) (*request, error) {
tpr := textproto.NewReader(r)
line, err := tpr.ReadLine()
if err != nil {
return nil, err
}
method, uri, proto, ok := parseStartLine(line)
if !ok {
return nil, err
}
header, err := tpr.ReadMIMEHeader()
if err != nil {
log.F("[http] read header error:%s", err)
return nil, err
}
auth := header.Get("Proxy-Authorization")
cleanHeaders(header)
header.Set("Connection", "close")
u, err := url.ParseRequestURI(uri)
if err != nil {
log.F("[http] parse request url error: %s, uri: %s", err, uri)
return nil, err
}
var tgt = u.Host
if !strings.Contains(u.Host, ":") {
tgt += ":80"
}
req := &request{
method: method,
uri: uri,
proto: proto,
auth: auth,
header: header,
target: tgt,
}
if u.IsAbs() {
req.absuri = u.String()
u.Scheme = ""
u.Host = ""
req.ruri = u.String()
} else {
req.ruri = u.String()
base, err := url.Parse("http://" + header.Get("Host"))
if err != nil {
return nil, err
}
u = base.ResolveReference(u)
req.absuri = u.String()
}
return req, nil
}
func (r *request) Marshal() []byte {
var buf bytes.Buffer
writeStartLine(&buf, r.method, r.ruri, r.proto)
writeHeaders(&buf, r.header)
return buf.Bytes()
}
func (r *request) MarshalAbs() []byte {
var buf bytes.Buffer
writeStartLine(&buf, r.method, r.absuri, r.proto)
writeHeaders(&buf, r.header)
return buf.Bytes()
}

163
proxy/http/server.go Normal file
View File

@ -0,0 +1,163 @@
package http
import (
"bufio"
"bytes"
"fmt"
"io"
"net"
"net/textproto"
"time"
"github.com/nadoo/glider/common/conn"
"github.com/nadoo/glider/common/log"
"github.com/nadoo/glider/proxy"
)
// NewHTTPServer returns a http proxy server.
func NewHTTPServer(s string, p proxy.Proxy) (proxy.Server, error) {
return NewHTTP(s, nil, p)
}
// ListenAndServe listens on server's addr and serves connections.
func (s *HTTP) ListenAndServe() {
l, err := net.Listen("tcp", s.addr)
if err != nil {
log.F("[http] failed to listen on %s: %v", s.addr, err)
return
}
defer l.Close()
log.F("[http] listening TCP on %s", s.addr)
for {
c, err := l.Accept()
if err != nil {
log.F("[http] failed to accept: %v", err)
continue
}
go s.Serve(c)
}
}
// Serve serves a connection.
func (s *HTTP) Serve(cc net.Conn) {
defer cc.Close()
var c *conn.Conn
switch ccc := cc.(type) {
case *net.TCPConn:
ccc.SetKeepAlive(true)
c = conn.NewConn(ccc)
case *conn.Conn:
c = ccc
}
req, err := parseRequest(c.Reader())
if err != nil {
return
}
if s.pretend {
fmt.Fprintf(c, "%s 404 Not Found\r\nServer: nginx\r\n\r\n404 Not Found\r\n", req.proto)
log.F("[http] accessed by %s as web server", c.RemoteAddr().String())
return
}
s.servRequest(req, c)
}
func (s *HTTP) servRequest(req *request, c *conn.Conn) {
// Auth
if s.user != "" && s.password != "" {
if user, pass, ok := extractUserPass(req.auth); !ok || user != s.user || pass != s.password {
c.Write([]byte("HTTP/1.1 403 Forbidden\r\n\r\n"))
log.F("[http] auth failed from %s, auth info: %s:%s", c.RemoteAddr(), user, pass)
return
}
}
if req.method == "CONNECT" {
s.servHTTPS(req, c)
return
}
s.servHTTP(req, c)
}
func (s *HTTP) servHTTPS(r *request, c net.Conn) {
rc, p, err := s.proxy.Dial("tcp", r.uri)
if err != nil {
c.Write([]byte(r.proto + " 502 ERROR\r\n\r\n"))
log.F("[http] %s <-> %s [c] via %s, error in dial: %v", c.RemoteAddr(), r.uri, p, err)
return
}
c.Write([]byte("HTTP/1.1 200 Connection established\r\n\r\n"))
log.F("[http] %s <-> %s [c] via %s", c.RemoteAddr(), r.uri, p)
_, _, err = conn.Relay(c, rc)
if err != nil {
if err, ok := err.(net.Error); ok && err.Timeout() {
return // ignore i/o timeout
}
log.F("[http] relay error: %v", err)
}
}
func (s *HTTP) servHTTP(req *request, c *conn.Conn) {
rc, p, err := s.proxy.Dial("tcp", req.target)
if err != nil {
fmt.Fprintf(c, "%s 502 ERROR\r\n\r\n", req.proto)
log.F("[http] %s <-> %s via %s, error in dial: %v", c.RemoteAddr(), req.target, p, err)
return
}
defer rc.Close()
// send request to remote server
_, err = rc.Write(req.Marshal())
if err != nil {
return
}
// copy the left request bytes to remote server. eg. length specificed or chunked body.
go func() {
if _, err := c.Reader().Peek(1); err == nil {
io.Copy(rc, c)
rc.SetDeadline(time.Now())
c.SetDeadline(time.Now())
}
}()
r := bufio.NewReader(rc)
tpr := textproto.NewReader(r)
line, err := tpr.ReadLine()
if err != nil {
return
}
proto, code, status, ok := parseStartLine(line)
if !ok {
return
}
header, err := tpr.ReadMIMEHeader()
if err != nil {
log.F("[http] read header error:%s", err)
return
}
header.Set("Proxy-Connection", "close")
header.Set("Connection", "close")
var buf bytes.Buffer
writeStartLine(&buf, proto, code, status)
writeHeaders(&buf, header)
log.F("[http] %s <-> %s", c.RemoteAddr(), req.target)
c.Write(buf.Bytes())
io.Copy(c, r)
}

42
proxy/mixed/mixed.go
View File

@ -12,26 +12,13 @@ import (
"github.com/nadoo/glider/proxy/socks5"
)
// https://www.ietf.org/rfc/rfc2616.txt, http methods must be uppercase
var httpMethods = [...][]byte{
[]byte("GET"),
[]byte("POST"),
[]byte("PUT"),
[]byte("DELETE"),
[]byte("CONNECT"),
[]byte("HEAD"),
[]byte("OPTIONS"),
[]byte("TRACE"),
[]byte("PATCH"),
}
// Mixed struct.
type Mixed struct {
proxy proxy.Proxy
addr string
http *http.HTTP
socks5 *socks5.Socks5
httpServer *http.HTTP
socks5Server *socks5.Socks5
}
func init() {
@ -51,8 +38,15 @@ func NewMixed(s string, p proxy.Proxy) (*Mixed, error) {
addr: u.Host,
}
m.http, _ = http.NewHTTP(s, nil, p)
m.socks5, _ = socks5.NewSocks5(s, nil, p)
m.httpServer, err = http.NewHTTP(s, nil, p)
if err != nil {
return nil, err
}
m.socks5Server, err = socks5.NewSocks5(s, nil, p)
if err != nil {
return nil, err
}
return m, nil
}
@ -64,7 +58,7 @@ func NewMixedServer(s string, p proxy.Proxy) (proxy.Server, error) {
// ListenAndServe listens on server's addr and serves connections.
func (m *Mixed) ListenAndServe() {
go m.socks5.ListenAndServeUDP()
go m.socks5Server.ListenAndServeUDP()
l, err := net.Listen("tcp", m.addr)
if err != nil {
@ -95,7 +89,6 @@ func (m *Mixed) Serve(c net.Conn) {
cc := conn.NewConn(c)
if m.socks5 != nil {
head, err := cc.Peek(1)
if err != nil {
// log.F("[mixed] socks5 peek error: %s", err)
@ -104,24 +97,21 @@ func (m *Mixed) Serve(c net.Conn) {
// check socks5, client send socksversion: 5 as the first byte
if head[0] == socks5.Version {
m.socks5.Serve(cc)
m.socks5Server.Serve(cc)
return
}
}
if m.http != nil {
head, err := cc.Peek(8)
head, err = cc.Peek(8)
if err != nil {
log.F("[mixed] http peek error: %s", err)
return
}
for _, method := range httpMethods {
for _, method := range http.Methods {
if bytes.HasPrefix(head, method) {
m.http.Serve(cc)
m.httpServer.Serve(cc)
return
}
}
}
}

17
proxy/socks5/socks5.go
View File

@ -103,11 +103,16 @@ func (s *Socks5) ListenAndServeTCP() {
}
// Serve serves a connection.
func (s *Socks5) Serve(c net.Conn) {
defer c.Close()
func (s *Socks5) Serve(cc net.Conn) {
defer cc.Close()
if c, ok := c.(*net.TCPConn); ok {
c.SetKeepAlive(true)
var c *conn.Conn
switch ccc := cc.(type) {
case *net.TCPConn:
ccc.SetKeepAlive(true)
c = conn.NewConn(ccc)
case *conn.Conn:
c = ccc
}
tgt, err := s.handshake(c)
@ -126,7 +131,7 @@ func (s *Socks5) Serve(c net.Conn) {
}
}
log.F("[socks5] failed in handshake: %v", err)
log.F("[socks5] failed in handshake with %s: %v", c.RemoteAddr(), err)
return
}
@ -483,7 +488,7 @@ func (s *Socks5) handshake(rw io.ReadWriter) (socks.Addr, error) {
if err != nil {
return nil, err
}
return nil, errors.New("auth failed")
return nil, errors.New("auth failed, authinfo: " + user + ":" + pass)
}
// Response auth state