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forward.go
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forward.go
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package dispather
import (
"io"
"os/exec"
"github.com/Dliv3/Venom/global"
"github.com/Dliv3/Venom/node"
"github.com/Dliv3/Venom/protocol"
"github.com/Dliv3/Venom/utils"
)
func CopyStdoutPipe2Node(input io.Reader, output *node.Node, c chan bool) {
buf := make([]byte, global.MAX_PACKET_SIZE-8)
for {
count, err := input.Read(buf)
data := protocol.ShellPacketRet{
Success: 1,
DataLen: uint32(count),
Data: buf[:count],
}
packetHeader := protocol.PacketHeader{
Separator: global.PROTOCOL_SEPARATOR,
CmdType: protocol.SHELL,
SrcHashID: utils.UUIDToArray32(node.CurrentNode.HashID),
DstHashID: utils.UUIDToArray32(output.HashID),
}
if err != nil {
if count > 0 {
output.WritePacket(packetHeader, data)
}
break
}
if count > 0 {
output.WritePacket(packetHeader, data)
}
}
c <- true
// fmt.Println("CopyStdoutPipe2Node Exit")
return
}
func CopyNode2StdinPipe(input *node.Node, output io.Writer, c chan bool, cmd *exec.Cmd) {
for {
var packetHeader protocol.PacketHeader
var shellPacketCmd protocol.ShellPacketCmd
err := node.CurrentNode.CommandBuffers[protocol.SHELL].ReadPacket(&packetHeader, &shellPacketCmd)
if shellPacketCmd.Start == 0 {
break
}
if err != nil {
break
}
output.Write(shellPacketCmd.Cmd)
if string(shellPacketCmd.Cmd) == "exit\n" {
break
}
}
c <- true
// fmt.Println("CopyNode2StdinPipe Exit")
return
}