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support proxy protocol in unix_domain_socket

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This commit is contained in:
fatedier 2019-04-25 12:01:57 +08:00
parent 9f47c324b7
commit 6a1f15b25e
7 changed files with 45 additions and 40 deletions
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65
client/proxy/proxy.go
View File

@ -503,10 +503,43 @@ func HandleTcpWorkConnection(localInfo *config.LocalSvrConf, proxyPlugin plugin.
remote = frpIo.WithCompression(remote)
}
// check if we need to send proxy protocol info
var extraInfo []byte
if baseInfo.ProxyProtocolVersion != "" {
if m.SrcAddr != "" && m.SrcPort != 0 {
if m.DstAddr == "" {
m.DstAddr = "127.0.0.1"
}
h := &pp.Header{
Command: pp.PROXY,
SourceAddress: net.ParseIP(m.SrcAddr),
SourcePort: m.SrcPort,
DestinationAddress: net.ParseIP(m.DstAddr),
DestinationPort: m.DstPort,
}
if h.SourceAddress.To16() == nil {
h.TransportProtocol = pp.TCPv4
} else {
h.TransportProtocol = pp.TCPv6
}
if baseInfo.ProxyProtocolVersion == "v1" {
h.Version = 1
} else if baseInfo.ProxyProtocolVersion == "v2" {
h.Version = 2
}
buf := bytes.NewBuffer(nil)
h.WriteTo(buf)
extraInfo = buf.Bytes()
}
}
if proxyPlugin != nil {
// if plugin is set, let plugin handle connections first
workConn.Debug("handle by plugin: %s", proxyPlugin.Name())
proxyPlugin.Handle(remote, workConn)
proxyPlugin.Handle(remote, workConn, extraInfo)
workConn.Debug("handle by plugin finished")
return
} else {
@ -520,34 +553,8 @@ func HandleTcpWorkConnection(localInfo *config.LocalSvrConf, proxyPlugin plugin.
workConn.Debug("join connections, localConn(l[%s] r[%s]) workConn(l[%s] r[%s])", localConn.LocalAddr().String(),
localConn.RemoteAddr().String(), workConn.LocalAddr().String(), workConn.RemoteAddr().String())
// check if we need to send proxy protocol info
if baseInfo.ProxyProtocolVersion != "" {
if m.SrcAddr != "" && m.SrcPort != 0 {
if m.DstAddr == "" {
m.DstAddr = "127.0.0.1"
}
h := &pp.Header{
Command: pp.PROXY,
SourceAddress: net.ParseIP(m.SrcAddr),
SourcePort: m.SrcPort,
DestinationAddress: net.ParseIP(m.DstAddr),
DestinationPort: m.DstPort,
}
if h.SourceAddress.To16() == nil {
h.TransportProtocol = pp.TCPv4
} else {
h.TransportProtocol = pp.TCPv6
}
if baseInfo.ProxyProtocolVersion == "v1" {
h.Version = 1
} else if baseInfo.ProxyProtocolVersion == "v2" {
h.Version = 2
}
h.WriteTo(localConn)
}
if len(extraInfo) > 0 {
localConn.Write(extraInfo)
}
frpIo.Join(localConn, remote)

2
models/plugin/http_proxy.go
View File

@ -64,7 +64,7 @@ func (hp *HttpProxy) Name() string {
return PluginHttpProxy
}
func (hp *HttpProxy) Handle(conn io.ReadWriteCloser, realConn frpNet.Conn) {
func (hp *HttpProxy) Handle(conn io.ReadWriteCloser, realConn frpNet.Conn, extraBufToLocal []byte) {
wrapConn := frpNet.WrapReadWriteCloserToConn(conn, realConn)
sc, rd := gnet.NewSharedConn(wrapConn)

7
models/plugin/https2http.go
View File

@ -100,16 +100,11 @@ func (p *HTTPS2HTTPPlugin) genTLSConfig() (*tls.Config, error) {
return config, nil
}
func (p *HTTPS2HTTPPlugin) Handle(conn io.ReadWriteCloser, realConn frpNet.Conn) {
func (p *HTTPS2HTTPPlugin) Handle(conn io.ReadWriteCloser, realConn frpNet.Conn, extraBufToLocal []byte) {
wrapConn := frpNet.WrapReadWriteCloserToConn(conn, realConn)
p.l.PutConn(wrapConn)
}
func (p *HTTPS2HTTPPlugin) handleRequest(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("hello"))
return
}
func (p *HTTPS2HTTPPlugin) Name() string {
return PluginHTTPS2HTTP
}

2
models/plugin/plugin.go
View File

@ -46,7 +46,7 @@ func Create(name string, params map[string]string) (p Plugin, err error) {
type Plugin interface {
Name() string
Handle(conn io.ReadWriteCloser, realConn frpNet.Conn)
Handle(conn io.ReadWriteCloser, realConn frpNet.Conn, extraBufToLocal []byte)
Close() error
}

2
models/plugin/socks5.go
View File

@ -53,7 +53,7 @@ func NewSocks5Plugin(params map[string]string) (p Plugin, err error) {
return
}
func (sp *Socks5Plugin) Handle(conn io.ReadWriteCloser, realConn frpNet.Conn) {
func (sp *Socks5Plugin) Handle(conn io.ReadWriteCloser, realConn frpNet.Conn, extraBufToLocal []byte) {
defer conn.Close()
wrapConn := frpNet.WrapReadWriteCloserToConn(conn, realConn)
sp.Server.ServeConn(wrapConn)

2
models/plugin/static_file.go
View File

@ -72,7 +72,7 @@ func NewStaticFilePlugin(params map[string]string) (Plugin, error) {
return sp, nil
}
func (sp *StaticFilePlugin) Handle(conn io.ReadWriteCloser, realConn frpNet.Conn) {
func (sp *StaticFilePlugin) Handle(conn io.ReadWriteCloser, realConn frpNet.Conn, extraBufToLocal []byte) {
wrapConn := frpNet.WrapReadWriteCloserToConn(conn, realConn)
sp.l.PutConn(wrapConn)
}

5
models/plugin/unix_domain_socket.go
View File

@ -53,11 +53,14 @@ func NewUnixDomainSocketPlugin(params map[string]string) (p Plugin, err error) {
return
}
func (uds *UnixDomainSocketPlugin) Handle(conn io.ReadWriteCloser, realConn frpNet.Conn) {
func (uds *UnixDomainSocketPlugin) Handle(conn io.ReadWriteCloser, realConn frpNet.Conn, extraBufToLocal []byte) {
localConn, err := net.DialUnix("unix", nil, uds.UnixAddr)
if err != nil {
return
}
if len(extraBufToLocal) > 0 {
localConn.Write(extraBufToLocal)
}
frpIo.Join(localConn, conn)
}