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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-11-09 03:37:37 -05:00
v2fly/proxy/vmess/outbound/command.go
2016-01-22 17:56:03 +01:00

49 lines
1.4 KiB
Go

package outbound
import (
"hash/fnv"
"github.com/v2ray/v2ray-core/common/log"
v2net "github.com/v2ray/v2ray-core/common/net"
"github.com/v2ray/v2ray-core/common/serial"
"github.com/v2ray/v2ray-core/proxy/vmess"
"github.com/v2ray/v2ray-core/proxy/vmess/command"
)
func (this *VMessOutboundHandler) handleSwitchAccount(cmd *command.SwitchAccount) {
user := vmess.NewUser(vmess.NewID(cmd.ID), cmd.Level, cmd.AlterIds.Value())
dest := v2net.TCPDestination(cmd.Host, cmd.Port)
this.receiverManager.AddDetour(NewReceiver(dest, user), cmd.ValidMin)
}
func (this *VMessOutboundHandler) handleCommand(dest v2net.Destination, cmdId byte, data []byte) {
if len(data) < 4 {
return
}
fnv1hash := fnv.New32a()
fnv1hash.Write(data[4:])
actualHashValue := fnv1hash.Sum32()
expectedHashValue := serial.BytesLiteral(data[:4]).Uint32Value()
if actualHashValue != expectedHashValue {
return
}
data = data[4:]
cmd, err := command.CreateResponseCommand(cmdId)
if err != nil {
log.Warning("VMessOut: Unknown response command (", cmdId, "): ", err)
return
}
if err := cmd.Unmarshal(data); err != nil {
log.Warning("VMessOut: Failed to parse response command: ", err)
return
}
switch typedCommand := cmd.(type) {
case *command.SwitchAccount:
if typedCommand.Host == nil {
typedCommand.Host = dest.Address()
}
this.handleSwitchAccount(typedCommand)
default:
}
}