mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-07-05 21:45:24 +00:00
54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
package inbound
|
|
|
|
import (
|
|
"hash/fnv"
|
|
|
|
"github.com/v2ray/v2ray-core/common/alloc"
|
|
"github.com/v2ray/v2ray-core/common/log"
|
|
"github.com/v2ray/v2ray-core/common/serial"
|
|
"github.com/v2ray/v2ray-core/proxy/vmess/command"
|
|
)
|
|
|
|
func (this *VMessInboundHandler) generateCommand(buffer *alloc.Buffer) {
|
|
cmd := byte(0)
|
|
commandBytes := alloc.NewSmallBuffer().Clear()
|
|
defer commandBytes.Release()
|
|
|
|
if this.features != nil && this.features.Detour != nil {
|
|
|
|
tag := this.features.Detour.ToTag
|
|
if this.space.HasInboundHandlerManager() {
|
|
handlerManager := this.space.InboundHandlerManager()
|
|
handler, availableMin := handlerManager.GetHandler(tag)
|
|
inboundHandler, ok := handler.(*VMessInboundHandler)
|
|
if ok {
|
|
if availableMin > 255 {
|
|
availableMin = 255
|
|
}
|
|
cmd = byte(1)
|
|
log.Info("VMessIn: Pick detour handler for port ", inboundHandler.Port(), " for ", availableMin, " minutes.")
|
|
user := inboundHandler.GetUser()
|
|
saCmd := &command.SwitchAccount{
|
|
Port: inboundHandler.Port(),
|
|
ID: user.ID.UUID(),
|
|
AlterIds: serial.Uint16Literal(len(user.AlterIDs)),
|
|
Level: user.Level,
|
|
ValidMin: byte(availableMin),
|
|
}
|
|
saCmd.Marshal(commandBytes)
|
|
}
|
|
}
|
|
}
|
|
|
|
if cmd == 0 || commandBytes.Len()+4 > 256 {
|
|
buffer.AppendBytes(byte(0), byte(0))
|
|
} else {
|
|
buffer.AppendBytes(cmd, byte(commandBytes.Len()+4))
|
|
fnv1hash := fnv.New32a()
|
|
fnv1hash.Write(commandBytes.Value)
|
|
hashValue := fnv1hash.Sum32()
|
|
buffer.AppendBytes(byte(hashValue>>24), byte(hashValue>>16), byte(hashValue>>8), byte(hashValue))
|
|
buffer.Append(commandBytes.Value)
|
|
}
|
|
}
|