/
forward.go
81 lines (70 loc) · 1.73 KB
/
forward.go
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package dispather
import (
"bytes"
"io"
"runtime"
"github.com/Dliv3/Venom/global"
"github.com/Dliv3/Venom/node"
"github.com/Dliv3/Venom/protocol"
"github.com/Dliv3/Venom/utils"
)
func CopyStdin2Node(input io.Reader, output *node.Node, c chan bool) {
orgBuf := make([]byte, global.MAX_PACKET_SIZE-8)
for {
count, err := input.Read(orgBuf)
// fmt.Println(orgBuf[:count])
var buf []byte
// // delete \r
if runtime.GOOS == "windows" {
buf = bytes.Replace(orgBuf[:count], []byte("\r"), []byte(""), -1)
count = len(buf)
} else {
buf = orgBuf
}
// fmt.Println(buf[:count])
if count > 0 {
data := protocol.ShellPacketCmd{
Start: 1,
CmdLen: uint32(count),
Cmd: buf[:count],
}
packetHeader := protocol.PacketHeader{
Separator: global.PROTOCOL_SEPARATOR,
CmdType: protocol.SHELL,
SrcHashID: utils.UUIDToArray32(node.CurrentNode.HashID),
DstHashID: utils.UUIDToArray32(output.HashID),
}
writeErr := output.WritePacket(packetHeader, data)
if writeErr != nil {
// 强制结束 CommandBuffers[protocol.SHELL]
node.CurrentNode.CommandBuffers[protocol.SHELL].WriteCloseMessage()
}
if string(buf[:count]) == "exit\n" {
break
}
}
if err != nil {
break
}
}
c <- true
// fmt.Println("CopyStdin2Node Exit")
return
}
func CopyNode2Stdout(input *node.Node, output io.Writer, c chan bool) {
for {
var packetHeader protocol.PacketHeader
var shellPacketRet protocol.ShellPacketRet
err := node.CurrentNode.CommandBuffers[protocol.SHELL].ReadPacket(&packetHeader, &shellPacketRet)
if err != nil {
break
}
if shellPacketRet.Success == 0 {
break
}
output.Write(shellPacketRet.Data)
}
c <- true
// fmt.Println("CopyNode2Stdout Exit")
return
}