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connection session

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This commit is contained in:
v2ray 2016-08-14 17:08:01 +02:00
parent a2651f4dfc
commit a9d583b92f
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GPG Key ID: 7251FFA14BB18169
14 changed files with 82 additions and 29 deletions
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3
app/dispatcher/dispatcher.go
View File

@ -2,7 +2,6 @@ package dispatcher
import (
"github.com/v2ray/v2ray-core/app"
v2net "github.com/v2ray/v2ray-core/common/net"
"github.com/v2ray/v2ray-core/proxy"
"github.com/v2ray/v2ray-core/transport/ray"
)
@ -13,5 +12,5 @@ const (
// PacketDispatcher dispatch a packet and possibly further network payload to its destination.
type PacketDispatcher interface {
DispatchToOutbound(meta *proxy.InboundHandlerMeta, destination v2net.Destination) ray.InboundRay
DispatchToOutbound(meta *proxy.InboundHandlerMeta, session *proxy.SessionInfo) ray.InboundRay
}

3
app/dispatcher/impl/default.go
View File

@ -43,9 +43,10 @@ func (this *DefaultDispatcher) Release() {
}
func (this *DefaultDispatcher) DispatchToOutbound(meta *proxy.InboundHandlerMeta, destination v2net.Destination) ray.InboundRay {
func (this *DefaultDispatcher) DispatchToOutbound(meta *proxy.InboundHandlerMeta, session *proxy.SessionInfo) ray.InboundRay {
direct := ray.NewRay()
dispatcher := this.ohm.GetDefaultHandler()
destination := session.Destination
if this.router != nil {
if tag, err := this.router.TakeDetour(destination); err == nil {

6
app/dispatcher/testing/dispatcher.go
View File

@ -30,10 +30,10 @@ func NewTestPacketDispatcher(handler func(destination v2net.Destination, traffic
}
}
func (this *TestPacketDispatcher) DispatchToOutbound(meta *proxy.InboundHandlerMeta, destination v2net.Destination) ray.InboundRay {
func (this *TestPacketDispatcher) DispatchToOutbound(meta *proxy.InboundHandlerMeta, session *proxy.SessionInfo) ray.InboundRay {
traffic := ray.NewRay()
this.Destination <- destination
go this.Handler(destination, traffic)
this.Destination <- session.Destination
go this.Handler(session.Destination, traffic)
return traffic
}

2
app/dns/nameserver.go
View File

@ -165,7 +165,7 @@ func (this *UDPNameServer) BuildQueryA(domain string, id uint16) *alloc.Buffer {
}
func (this *UDPNameServer) DispatchQuery(payload *alloc.Buffer) {
this.udpServer.Dispatch(pseudoDestination, this.address, payload, this.HandleResponse)
this.udpServer.Dispatch(&proxy.SessionInfo{Source: pseudoDestination, Destination: this.address}, payload, this.HandleResponse)
}
func (this *UDPNameServer) QueryA(domain string) <-chan *ARecord {

12
common/net/destination.go
View File

@ -1,5 +1,9 @@
package net
import (
"net"
)
// Destination represents a network destination including address and protocol (tcp / udp).
type Destination interface {
Network() Network // Protocol of communication (tcp / udp)
@ -13,11 +17,19 @@ type Destination interface {
IsUDP() bool // True if destination is reachable via UDP
}
func TCPDestinationFromAddr(addr *net.TCPAddr) Destination {
return TCPDestination(IPAddress(addr.IP), Port(addr.Port))
}
// TCPDestination creates a TCP destination with given address
func TCPDestination(address Address, port Port) Destination {
return &tcpDestination{address: address, port: port}
}
func UDPDestinationFromAddr(addr *net.UDPAddr) Destination {
return UDPDestination(IPAddress(addr.IP), Port(addr.Port))
}
// UDPDestination creates a UDP destination with given address
func UDPDestination(address Address, port Port) Destination {
return &udpDestination{address: address, port: port}

9
proxy/dokodemo/dokodemo.go
View File

@ -1,6 +1,7 @@
package dokodemo
import (
"net"
"sync"
"github.com/v2ray/v2ray-core/app"
@ -102,7 +103,8 @@ func (this *DokodemoDoor) ListenUDP() error {
}
func (this *DokodemoDoor) handleUDPPackets(payload *alloc.Buffer, dest v2net.Destination) {
this.udpServer.Dispatch(dest, v2net.UDPDestination(this.address, this.port), payload, this.handleUDPResponse)
this.udpServer.Dispatch(
&proxy.SessionInfo{Source: dest, Destination: v2net.UDPDestination(this.address, this.port)}, payload, this.handleUDPResponse)
}
func (this *DokodemoDoor) handleUDPResponse(dest v2net.Destination, payload *alloc.Buffer) {
@ -148,7 +150,10 @@ func (this *DokodemoDoor) HandleTCPConnection(conn internet.Connection) {
}
log.Info("Dokodemo: Handling request to ", dest)
ray := this.packetDispatcher.DispatchToOutbound(this.meta, dest)
ray := this.packetDispatcher.DispatchToOutbound(this.meta, &proxy.SessionInfo{
Source: v2net.TCPDestinationFromAddr(conn.RemoteAddr().(*net.TCPAddr)),
Destination: dest,
})
defer ray.InboundOutput().Release()
var inputFinish, outputFinish sync.Mutex

16
proxy/http/server.go
View File

@ -119,14 +119,18 @@ func (this *Server) handleConnection(conn internet.Connection) {
return
}
log.Access(conn.RemoteAddr(), request.URL, log.AccessAccepted, "")
session := &proxy.SessionInfo{
Source: v2net.TCPDestinationFromAddr(conn.RemoteAddr().(*net.TCPAddr)),
Destination: dest,
}
if strings.ToUpper(request.Method) == "CONNECT" {
this.handleConnect(request, dest, reader, conn)
this.handleConnect(request, session, reader, conn)
} else {
this.handlePlainHTTP(request, dest, reader, conn)
this.handlePlainHTTP(request, session, reader, conn)
}
}
func (this *Server) handleConnect(request *http.Request, destination v2net.Destination, reader io.Reader, writer io.Writer) {
func (this *Server) handleConnect(request *http.Request, session *proxy.SessionInfo, reader io.Reader, writer io.Writer) {
response := &http.Response{
Status: "200 OK",
StatusCode: 200,
@ -140,7 +144,7 @@ func (this *Server) handleConnect(request *http.Request, destination v2net.Desti
}
response.Write(writer)
ray := this.packetDispatcher.DispatchToOutbound(this.meta, destination)
ray := this.packetDispatcher.DispatchToOutbound(this.meta, session)
this.transport(reader, writer, ray)
}
@ -209,7 +213,7 @@ func (this *Server) GenerateResponse(statusCode int, status string) *http.Respon
}
}
func (this *Server) handlePlainHTTP(request *http.Request, dest v2net.Destination, reader *bufio.Reader, writer io.Writer) {
func (this *Server) handlePlainHTTP(request *http.Request, session *proxy.SessionInfo, reader *bufio.Reader, writer io.Writer) {
if len(request.URL.Host) <= 0 {
response := this.GenerateResponse(400, "Bad Request")
response.Write(writer)
@ -220,7 +224,7 @@ func (this *Server) handlePlainHTTP(request *http.Request, dest v2net.Destinatio
request.Host = request.URL.Host
StripHopByHopHeaders(request)
ray := this.packetDispatcher.DispatchToOutbound(this.meta, dest)
ray := this.packetDispatcher.DispatchToOutbound(this.meta, session)
defer ray.InboundInput().Close()
defer ray.InboundOutput().Release()

7
proxy/proxy.go
View File

@ -4,6 +4,7 @@ package proxy // import "github.com/v2ray/v2ray-core/proxy"
import (
"github.com/v2ray/v2ray-core/common/alloc"
v2net "github.com/v2ray/v2ray-core/common/net"
"github.com/v2ray/v2ray-core/common/protocol"
"github.com/v2ray/v2ray-core/transport/internet"
"github.com/v2ray/v2ray-core/transport/ray"
)
@ -15,6 +16,12 @@ const (
HandlerStateRunning = HandlerState(1)
)
type SessionInfo struct {
Source v2net.Destination
Destination v2net.Destination
User *protocol.User
}
type InboundHandlerMeta struct {
Tag string
Address v2net.Address

8
proxy/shadowsocks/server.go
View File

@ -4,6 +4,7 @@ package shadowsocks
import (
"crypto/rand"
"io"
"net"
"sync"
"github.com/v2ray/v2ray-core/app"
@ -114,7 +115,7 @@ func (this *Server) handlerUDPPayload(payload *alloc.Buffer, source v2net.Destin
log.Access(source, dest, log.AccessAccepted, "")
log.Info("Shadowsocks: Tunnelling request to ", dest)
this.udpServer.Dispatch(source, dest, request.DetachUDPPayload(), func(destination v2net.Destination, payload *alloc.Buffer) {
this.udpServer.Dispatch(&proxy.SessionInfo{Source: source, Destination: dest}, request.DetachUDPPayload(), func(destination v2net.Destination, payload *alloc.Buffer) {
defer payload.Release()
response := alloc.NewBuffer().Slice(0, ivLen)
@ -204,7 +205,10 @@ func (this *Server) handleConnection(conn internet.Connection) {
log.Access(conn.RemoteAddr(), dest, log.AccessAccepted, "")
log.Info("Shadowsocks: Tunnelling request to ", dest)
ray := this.packetDispatcher.DispatchToOutbound(this.meta, dest)
ray := this.packetDispatcher.DispatchToOutbound(this.meta, &proxy.SessionInfo{
Source: v2net.TCPDestinationFromAddr(conn.RemoteAddr().(*net.TCPAddr)),
Destination: dest,
})
defer ray.InboundOutput().Release()
var writeFinish sync.Mutex

23
proxy/socks/server.go
View File

@ -3,6 +3,7 @@ package socks
import (
"errors"
"io"
"net"
"sync"
"time"
@ -119,7 +120,7 @@ func (this *Server) handleConnection(connection internet.Connection) {
return
}
clientAddr := connection.RemoteAddr().String()
clientAddr := v2net.TCPDestinationFromAddr(connection.RemoteAddr().(*net.TCPAddr))
if err != nil && err == protocol.Socks4Downgrade {
this.handleSocks4(clientAddr, reader, writer, auth4)
} else {
@ -127,7 +128,7 @@ func (this *Server) handleConnection(connection internet.Connection) {
}
}
func (this *Server) handleSocks5(clientAddr string, reader *v2io.BufferedReader, writer *v2io.BufferedWriter, auth protocol.Socks5AuthenticationRequest) error {
func (this *Server) handleSocks5(clientAddr v2net.Destination, reader *v2io.BufferedReader, writer *v2io.BufferedWriter, auth protocol.Socks5AuthenticationRequest) error {
expectedAuthMethod := protocol.AuthNotRequired
if this.config.AuthType == AuthTypePassword {
expectedAuthMethod = protocol.AuthUserPass
@ -219,10 +220,14 @@ func (this *Server) handleSocks5(clientAddr string, reader *v2io.BufferedReader,
writer.SetCached(false)
dest := request.Destination()
session := &proxy.SessionInfo{
Source: clientAddr,
Destination: dest,
}
log.Info("Socks: TCP Connect request to ", dest)
log.Access(clientAddr, dest, log.AccessAccepted, "")
this.transport(reader, writer, dest)
this.transport(reader, writer, session)
return nil
}
@ -258,7 +263,7 @@ func (this *Server) handleUDP(reader io.Reader, writer *v2io.BufferedWriter) err
return nil
}
func (this *Server) handleSocks4(clientAddr string, reader *v2io.BufferedReader, writer *v2io.BufferedWriter, auth protocol.Socks4AuthenticationRequest) error {
func (this *Server) handleSocks4(clientAddr v2net.Destination, reader *v2io.BufferedReader, writer *v2io.BufferedWriter, auth protocol.Socks4AuthenticationRequest) error {
result := protocol.Socks4RequestGranted
if auth.Command == protocol.CmdBind {
result = protocol.Socks4RequestRejected
@ -277,13 +282,17 @@ func (this *Server) handleSocks4(clientAddr string, reader *v2io.BufferedReader,
writer.SetCached(false)
dest := v2net.TCPDestination(v2net.IPAddress(auth.IP[:]), auth.Port)
session := &proxy.SessionInfo{
Source: clientAddr,
Destination: dest,
}
log.Access(clientAddr, dest, log.AccessAccepted, "")
this.transport(reader, writer, dest)
this.transport(reader, writer, session)
return nil
}
func (this *Server) transport(reader io.Reader, writer io.Writer, destination v2net.Destination) {
ray := this.packetDispatcher.DispatchToOutbound(this.meta, destination)
func (this *Server) transport(reader io.Reader, writer io.Writer, session *proxy.SessionInfo) {
ray := this.packetDispatcher.DispatchToOutbound(this.meta, session)
input := ray.InboundInput()
output := ray.InboundOutput()

3
proxy/socks/server_udp.go
View File

@ -4,6 +4,7 @@ import (
"github.com/v2ray/v2ray-core/common/alloc"
"github.com/v2ray/v2ray-core/common/log"
v2net "github.com/v2ray/v2ray-core/common/net"
"github.com/v2ray/v2ray-core/proxy"
"github.com/v2ray/v2ray-core/proxy/socks/protocol"
"github.com/v2ray/v2ray-core/transport/internet/udp"
)
@ -44,7 +45,7 @@ func (this *Server) handleUDPPayload(payload *alloc.Buffer, source v2net.Destina
log.Info("Socks: Send packet to ", request.Destination(), " with ", request.Data.Len(), " bytes")
log.Access(source, request.Destination, log.AccessAccepted, "")
this.udpServer.Dispatch(source, request.Destination(), request.Data, func(destination v2net.Destination, payload *alloc.Buffer) {
this.udpServer.Dispatch(&proxy.SessionInfo{Source: source, Destination: request.Destination()}, request.Data, func(destination v2net.Destination, payload *alloc.Buffer) {
response := &protocol.Socks5UDPRequest{
Fragment: 0,
Address: request.Destination().Address(),

5
proxy/testing/mocks/inboundhandler.go
View File

@ -33,7 +33,10 @@ func (this *InboundConnectionHandler) Close() {
func (this *InboundConnectionHandler) Communicate(destination v2net.Destination) error {
ray := this.PacketDispatcher.DispatchToOutbound(&proxy.InboundHandlerMeta{
AllowPassiveConnection: false,
}, destination)
}, &proxy.SessionInfo{
Source: v2net.TCPDestination(v2net.LocalHostIP, v2net.Port(0)),
Destination: destination,
})
input := ray.InboundInput()
output := ray.InboundOutput()

6
proxy/vmess/inbound/inbound.go
View File

@ -2,6 +2,7 @@ package inbound
import (
"io"
"net"
"sync"
"github.com/v2ray/v2ray-core/app"
@ -163,7 +164,10 @@ func (this *VMessInboundHandler) HandleConnection(connection internet.Connection
connection.SetReusable(request.Option.Has(protocol.RequestOptionConnectionReuse))
ray := this.packetDispatcher.DispatchToOutbound(this.meta, request.Destination())
ray := this.packetDispatcher.DispatchToOutbound(this.meta, &proxy.SessionInfo{
Source: v2net.TCPDestinationFromAddr(connection.RemoteAddr().(*net.TCPAddr)),
Destination: request.Destination(),
})
input := ray.InboundInput()
output := ray.InboundOutput()
defer input.Close()

8
transport/internet/udp/udp_server.go
View File

@ -132,7 +132,11 @@ func (this *UDPServer) locateExistingAndDispatch(name string, payload *alloc.Buf
return false
}
func (this *UDPServer) Dispatch(source v2net.Destination, destination v2net.Destination, payload *alloc.Buffer, callback UDPResponseCallback) {
func (this *UDPServer) Dispatch(session *proxy.SessionInfo, payload *alloc.Buffer, callback UDPResponseCallback) {
source := session.Source
destination := session.Destination
// TODO: Add user to destString
destString := source.String() + "-" + destination.String()
log.Debug("UDP Server: Dispatch request: ", destString)
if this.locateExistingAndDispatch(destString, payload) {
@ -140,7 +144,7 @@ func (this *UDPServer) Dispatch(source v2net.Destination, destination v2net.Dest
}
log.Info("UDP Server: establishing new connection for ", destString)
inboundRay := this.packetDispatcher.DispatchToOutbound(this.meta, destination)
inboundRay := this.packetDispatcher.DispatchToOutbound(this.meta, session)
timedInboundRay := NewTimedInboundRay(destString, inboundRay, this)
outputStream := timedInboundRay.InboundInput()
if outputStream != nil {