142 lines
3.7 KiB
Go
142 lines
3.7 KiB
Go
/*
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goircd -- minimalistic simple Internet Relay Chat (IRC) server
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Copyright (C) 2014 Sergey Matveev <stargrave@stargrave.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"bytes"
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"crypto/tls"
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"flag"
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"log"
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"net"
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"os"
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"path"
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"path/filepath"
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"strings"
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)
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var (
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hostname = flag.String("hostname", "localhost", "Hostname")
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bind = flag.String("bind", ":6667", "Address to bind to")
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motd = flag.String("motd", "", "Path to MOTD file")
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logdir = flag.String("logdir", "", "Absolute path to directory for logs")
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statedir = flag.String("statedir", "", "Absolute path to directory for states")
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ssl = flag.Bool("ssl", false, "Use SSL only.")
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sslKey = flag.String("ssl_key", "", "SSL keyfile.")
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sslCert = flag.String("ssl_cert", "", "SSL certificate.")
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verbose = flag.Bool("v", false, "Enable verbose logging.")
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)
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func Run() {
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var client *Client
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events := make(chan ClientEvent)
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log.SetFlags(log.Ldate | log.Lmicroseconds | log.Lshortfile)
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log_sink := make(chan LogEvent)
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if *logdir == "" {
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// Dummy logger
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go func() {
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for _ = range log_sink {
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}
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}()
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} else {
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if !path.IsAbs(*logdir) {
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log.Fatalln("Need absolute path for logdir")
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return
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}
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go Logger(*logdir, log_sink)
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log.Println(*logdir, "logger initialized")
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}
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state_sink := make(chan StateEvent)
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daemon := NewDaemon(*hostname, *motd, log_sink, state_sink)
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daemon.Verbose = *verbose
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if *statedir == "" {
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// Dummy statekeeper
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go func() {
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for _ = range state_sink {
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}
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}()
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} else {
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if !path.IsAbs(*statedir) {
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log.Fatalln("Need absolute path for statedir")
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}
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states, err := filepath.Glob(*statedir + "/#*")
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if err != nil {
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log.Fatalln("Can not read statedir", err)
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}
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for _, state := range states {
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fd, err := os.Open(state)
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if err != nil {
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log.Fatalln("Can not open state", state, err)
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}
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buf := make([]byte, 1024)
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_, err = fd.Read(buf)
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fd.Close()
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if err != nil {
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log.Fatalln("Can not read state", state, err)
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}
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room, _ := daemon.RoomRegister(path.Base(state))
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buf = bytes.TrimRight(buf, "\x00")
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contents := strings.Split(string(buf), "\n")
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room.topic = contents[0]
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room.key = contents[1]
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log.Println("Loaded state for room", room.name)
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}
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go StateKeeper(*statedir, state_sink)
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log.Println(*statedir, "statekeeper initialized")
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}
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var listener net.Listener
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if *ssl {
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cert, err := tls.LoadX509KeyPair(*sslCert, *sslKey)
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if err != nil {
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log.Fatalf("Could not load SSL keys from %s and %s: %s", *sslCert, *sslKey, err)
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}
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config := tls.Config{Certificates: []tls.Certificate{cert}}
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listener, err = tls.Listen("tcp", *bind, &config)
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if err != nil {
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log.Fatalf("Can not listen on %s: %v", *bind, err)
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}
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} else {
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var err error
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listener, err = net.Listen("tcp", *bind)
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if err != nil {
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log.Fatalf("Can not listen on %s: %v", *bind, err)
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}
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}
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log.Println("Listening on", *bind)
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go daemon.Processor(events)
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for {
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conn, err := listener.Accept()
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if err != nil {
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log.Println("Error during accepting connection", err)
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continue
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}
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client = NewClient(*hostname, conn)
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go client.Processor(events)
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}
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}
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func main() {
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flag.Parse()
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Run()
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}
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