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package main
import (
"bufio"
"crypto/tls"
"io"
"log"
"net"
"sync"
ircgomsg "github.com/ergochat/irc-go/ircmsg"
)
func ghost(serverAddress, listenAddress string) {
listener, err := net.Listen("tcp", listenAddress)
if err != nil {
log.Fatalf("Failed to listen on %s: %v", listenAddress, err)
}
defer listener.Close()
log.Printf("IRC Bouncer listening on %s", listenAddress)
log.Printf("Connecting clients to IRC server: %s", serverAddress)
for {
clientConn, err := listener.Accept()
if err != nil {
log.Printf("Failed to accept client connection: %v", err)
continue
}
go handleClientConnection(clientConn, serverAddress)
}
}
func handleClientConnection(clientConn net.Conn, serverAddress string) {
log.Printf("Client connected from: %s", clientConn.RemoteAddr())
// ircServerConn, err := net.Dial("tcp", serverAddress)
ircServerConn, err := tls.Dial("tcp", serverAddress, nil)
if err != nil {
log.Printf("Failed to connect to IRC server %s: %v", serverAddress, err)
clientConn.Close()
return
}
log.Printf("Successfully connected to IRC server: %s", serverAddress)
done := make(chan struct{})
var once sync.Once
closeConnections := func() {
once.Do(func() {
clientConn.Close()
ircServerConn.Close()
close(done)
})
}
go relay(clientConn, ircServerConn, closeConnections)
go relay(ircServerConn, clientConn, closeConnections)
<-done
log.Printf("Connection closed for client: %s", clientConn.RemoteAddr())
}
func relay(src, dest net.Conn, closer func()) {
reader := bufio.NewReader(src)
for {
line, err := reader.ReadString('\n')
if err != nil {
if err != io.EOF {
log.Printf("Relay read error on: %v", err)
}
closer()
return
}
msg, err := ircgomsg.ParseLine(line)
if err != nil {
log.Printf("Failed to parse IRC message: %v", err)
}
if msg.Command == "PRIVMSG" {
}
if msg.Command == "MSG" {
}
log.Println(msg)
_, err = io.WriteString(dest, line)
if err != nil {
closer()
return
}
}
}
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