Merge branch 'master' of https://code.dnix.de/an/ircd
Conflicts: server.go
This commit is contained in:
Andreas Neue
commit
3c292ca756
440
server.go
440
server.go
|
|
@ -1,440 +0,0 @@
|
|||
// vim:ts=4:sts=4:sw=4:noet:tw=72
|
||||
|
||||
package ircd
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net"
|
||||
"os"
|
||||
"runtime"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"code.dnix.de/an/conf"
|
||||
"code.dnix.de/an/irc"
|
||||
"code.dnix.de/an/xlog"
|
||||
)
|
||||
|
||||
const (
|
||||
CHANLIMIT = 1024
|
||||
CHANNELLEN = 200
|
||||
TOPICLEN = 1024
|
||||
)
|
||||
|
||||
var myinfo string = "%s %s/%s * *"
|
||||
var isupport string = "CASEMAPPING=rfc1459 CHANTYPES=# NICKLEN=32 PREFIX=(aohv)&@%%+"
|
||||
|
||||
type Server struct {
|
||||
queue chan *irc.Message
|
||||
addq chan Client
|
||||
delq chan Client
|
||||
|
||||
host string
|
||||
info string
|
||||
software string
|
||||
version string
|
||||
created string
|
||||
motd string
|
||||
|
||||
clients map[string]Client
|
||||
|
||||
chUsers map[string]map[string]string
|
||||
chTopics map[string]string
|
||||
chModes map[string]map[string]bool
|
||||
config *conf.ConfigFile
|
||||
configPath string
|
||||
|
||||
packetsTransferred float64
|
||||
connectionsCurrent float64
|
||||
connectionsCount float64
|
||||
queueLen float64
|
||||
|
||||
authCallback func(name, pass string) bool
|
||||
}
|
||||
|
||||
// Create a new server instance.
|
||||
func NewServer(configPath, software, version string) *Server {
|
||||
sv := &Server{software: software, version: version,
|
||||
created: time.Now().String()}
|
||||
|
||||
sv.queue = make(chan *irc.Message, 1024)
|
||||
sv.addq = make(chan Client, 128)
|
||||
sv.delq = make(chan Client, 128)
|
||||
|
||||
sv.clients = make(map[string]Client)
|
||||
sv.chUsers = make(map[string]map[string]string)
|
||||
sv.chTopics = make(map[string]string)
|
||||
sv.chModes = make(map[string]map[string]bool)
|
||||
|
||||
sv.configPath = configPath
|
||||
sv.loadConfig()
|
||||
|
||||
loglevel, _ := sv.config.GetInt("system", "loglevel")
|
||||
xlog.Init(loglevel)
|
||||
|
||||
sv.host, _ = sv.config.GetString("server", "host")
|
||||
sv.info, _ = sv.config.GetString("server", "info")
|
||||
sv.motd, _ = sv.config.GetString("server", "motd")
|
||||
|
||||
sv.packetsTransferred = 0
|
||||
sv.connectionsCurrent = 0
|
||||
sv.connectionsCount = 0
|
||||
sv.queueLen = 0
|
||||
|
||||
return sv
|
||||
}
|
||||
|
||||
func (sv *Server) SetAuthCallback(authCB func(name, pass string) bool) {
|
||||
sv.authCallback = authCB
|
||||
}
|
||||
|
||||
// Open the listening port and start the main server loop.
|
||||
func (sv *Server) Run() {
|
||||
xlog.Info("%s/%s", sv.software, sv.version)
|
||||
go monitoringRun(sv)
|
||||
laddr, err := sv.config.GetString("net", "listen")
|
||||
if err == nil {
|
||||
go sv.listen(laddr)
|
||||
}
|
||||
laddr, err = sv.config.GetString("net", "listen_tls")
|
||||
if err == nil {
|
||||
go sv.listenTls(laddr)
|
||||
}
|
||||
sv.dispatcher()
|
||||
}
|
||||
|
||||
func (sv *Server) Dispatch(msg *irc.Message) {
|
||||
sv.queue <- msg
|
||||
}
|
||||
|
||||
func (sv *Server) AddClient(cl Client) {
|
||||
sv.addq <- cl
|
||||
}
|
||||
|
||||
func (sv *Server) DelClient(cl Client) {
|
||||
sv.delq <- cl
|
||||
}
|
||||
|
||||
func (sv *Server) listen(laddr string) {
|
||||
listen, err := net.Listen("tcp", laddr)
|
||||
if err != nil {
|
||||
xlog.Fatal(err.Error())
|
||||
os.Exit(-1)
|
||||
}
|
||||
for {
|
||||
time.Sleep(1 * time.Millisecond)
|
||||
conn, err := listen.Accept()
|
||||
if err != nil {
|
||||
xlog.Error(err.Error())
|
||||
} else {
|
||||
NewRemoteClient(sv, conn)
|
||||
sv.connectionsCount++
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (sv *Server) listenTls(laddr string) {
|
||||
}
|
||||
|
||||
func (sv *Server) dispatcher() {
|
||||
for {
|
||||
time.Sleep(1 * time.Microsecond)
|
||||
sv.queueLen = float64(len(sv.queue))
|
||||
select {
|
||||
case msg := <-sv.queue:
|
||||
sv.recvMsg(msg)
|
||||
sv.packetsTransferred++
|
||||
case cl := <-sv.addq:
|
||||
clid := strings.ToLower(cl.Name())
|
||||
if _, exists := sv.clients[clid]; exists {
|
||||
sv.sendReply(cl.Name(), ERR_NICKNAMEINUSE, "", "Nickname is already in use")
|
||||
go func() {
|
||||
time.Sleep(5 * time.Second)
|
||||
cl.Register(false)
|
||||
}()
|
||||
xlog.Info("Client registration failed: '%s' (client exists)", clid)
|
||||
continue
|
||||
}
|
||||
if !sv.authCallback(cl.Name(), cl.Password()) {
|
||||
sv.sendReply(cl.Name(), ERR_PASSWDMISMATCH, "", "Password incorrect")
|
||||
go func() {
|
||||
time.Sleep(5 * time.Second)
|
||||
cl.Register(false)
|
||||
}()
|
||||
xlog.Info("Client registration failed: '%s' (wrong password)", clid)
|
||||
continue
|
||||
}
|
||||
sv.clients[clid] = cl
|
||||
sv.clients[clid] = cl
|
||||
sv.sendLogon(cl.Name())
|
||||
sv.connectionsCurrent = float64(len(sv.clients))
|
||||
cl.Register(true)
|
||||
xlog.Info("Client registered: '%s'", clid)
|
||||
xlog.Info("Server has %d client(s)", len(sv.clients))
|
||||
xlog.Debug("Goroutines running: %d", runtime.NumGoroutine())
|
||||
case cl := <-sv.delq:
|
||||
clid := strings.ToLower(cl.Name())
|
||||
cl.Destroy()
|
||||
for chname, ch := range sv.chUsers {
|
||||
if _, exists := ch[clid]; exists {
|
||||
delete(ch, clid)
|
||||
sv.sendMsg(irc.M(cl.Name(), "PART", chname, "quit"))
|
||||
}
|
||||
}
|
||||
delete(sv.clients, clid)
|
||||
sv.connectionsCurrent = float64(len(sv.clients))
|
||||
xlog.Info("Client deleted: '%s'", clid)
|
||||
xlog.Info("Server has %d client(s)", len(sv.clients))
|
||||
xlog.Debug("Goroutines running: %d", runtime.NumGoroutine())
|
||||
default:
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (sv *Server) loadConfig() {
|
||||
cfg, err := conf.ReadConfigFile(sv.configPath)
|
||||
if err != nil {
|
||||
xlog.Fatal("Can't read config file (%s)", err.Error())
|
||||
os.Exit(-1)
|
||||
}
|
||||
sv.config = cfg
|
||||
}
|
||||
|
||||
func (sv *Server) recvMsg(msg *irc.Message) {
|
||||
cmd := msg.Cmd
|
||||
hook, exists := svCommandHooks[cmd]
|
||||
if !exists {
|
||||
sv.sendReply(msg.Pre, ERR_UNKNOWNCOMMAND, cmd, "Unknown command")
|
||||
return
|
||||
}
|
||||
argc := len(msg.Args)
|
||||
if argc < hook.MinArgs {
|
||||
sv.sendReply(msg.Pre, ERR_NEEDMOREPARAMS, cmd, "Not enough parameters")
|
||||
return
|
||||
}
|
||||
if hook.NeedTrail && msg.Trail == "" {
|
||||
sv.sendReply(msg.Pre, ERR_NEEDMOREPARAMS, cmd, "Not enough parameters")
|
||||
return
|
||||
}
|
||||
hook.HookFn(sv, msg)
|
||||
}
|
||||
|
||||
func (sv *Server) sendMsg(msg *irc.Message) {
|
||||
if strings.HasPrefix(msg.Args[0], "#") {
|
||||
chid := strings.ToLower(msg.Args[0])
|
||||
if _, exists := sv.chUsers[chid]; !exists {
|
||||
sv.sendReply(msg.Pre, ERR_NOSUCHNICK, msg.Args[0], "No such nick/channel")
|
||||
return
|
||||
}
|
||||
for clid, _ := range sv.chUsers[chid] {
|
||||
if strings.ToLower(msg.Pre) == clid && msg.Cmd == "PRIVMSG" {
|
||||
continue
|
||||
}
|
||||
if cl, exists := sv.clients[clid]; exists {
|
||||
cl.Receive(msg)
|
||||
}
|
||||
}
|
||||
} else {
|
||||
clid := strings.ToLower(msg.Args[0])
|
||||
if _, exists := sv.clients[clid]; !exists {
|
||||
sv.sendReply(msg.Pre, ERR_NOSUCHNICK, msg.Args[0], "No such nick/channel")
|
||||
return
|
||||
}
|
||||
cl := sv.clients[clid]
|
||||
cl.Receive(msg)
|
||||
}
|
||||
}
|
||||
|
||||
func (sv *Server) sendReply(nick, cmd, args, trail string) {
|
||||
clid := strings.ToLower(nick)
|
||||
if _, exists := sv.clients[clid]; !exists {
|
||||
return
|
||||
}
|
||||
cl := sv.clients[clid]
|
||||
if args != "" {
|
||||
args = nick + " " + args
|
||||
} else {
|
||||
args = nick
|
||||
}
|
||||
cl.Receive(irc.M(sv.host, cmd, args, trail))
|
||||
}
|
||||
|
||||
func (sv *Server) sendLogon(nick string) {
|
||||
sv.sendReply(nick, RPL_WELCOME, "", "Willkommen!")
|
||||
sv.sendReply(nick, RPL_YOURHOST, "",
|
||||
fmt.Sprintf("Your host is %s, running on %s/%s",
|
||||
sv.host, sv.software, sv.version))
|
||||
sv.sendReply(nick, RPL_CREATED, "",
|
||||
fmt.Sprintf("This server was created %s", sv.created))
|
||||
sv.sendReply(nick, RPL_MYINFO, "",
|
||||
fmt.Sprintf(myinfo, sv.host, sv.software, sv.version))
|
||||
sv.sendReply(nick, RPL_ISUPPORT, "",
|
||||
isupport+" are supported by this server")
|
||||
sv.sendReply(nick, RPL_MOTDSTART, "",
|
||||
fmt.Sprintf("- %s Message of the day -", sv.host))
|
||||
for _, line := range strings.Split(sv.motd, "\n") {
|
||||
sv.sendReply(nick, RPL_MOTD, "", fmt.Sprintf("- %s", line))
|
||||
}
|
||||
sv.sendReply(nick, RPL_ENDOFMOTD, "", "End of MOTD command")
|
||||
}
|
||||
|
||||
func (sv *Server) channelNames(nick, ch string) {
|
||||
chid := strings.ToLower(ch)
|
||||
if _, exists := sv.chUsers[chid]; !exists {
|
||||
return
|
||||
}
|
||||
names := ""
|
||||
for clid, mode := range sv.chUsers[chid] {
|
||||
name := sv.clients[clid].Name()
|
||||
if names != "" {
|
||||
names += " "
|
||||
}
|
||||
names = names + mode + name
|
||||
}
|
||||
sv.sendReply(nick, RPL_NAMEREPLY, "= "+ch, names)
|
||||
sv.sendReply(nick, RPL_ENDOFNAMES, ch, "End of /NAMES list")
|
||||
}
|
||||
|
||||
type commandHook struct {
|
||||
HookFn func(sv *Server, msg *irc.Message)
|
||||
MinArgs int
|
||||
NeedTrail bool
|
||||
NeedOper bool
|
||||
NeedAuth bool
|
||||
}
|
||||
|
||||
var svCommandHooks = map[string]commandHook{
|
||||
"PRIVMSG": {handleCmdPrivmsg, 1, true, false, false},
|
||||
"JOIN": {handleCmdJoin, 1, false, false, false},
|
||||
"PART": {handleCmdPart, 1, false, false, false},
|
||||
"QUIT": {handleCmdQuit, 0, false, false, false},
|
||||
"MODE": {handleCmdMode, 1, false, false, false},
|
||||
"TOPIC": {handleCmdTopic, 1, false, false, false},
|
||||
"NAMES": {handleCmdNames, 1, false, false, false},
|
||||
"WHOIS": {handleCmdWhois, 0, false, false, false},
|
||||
"PING": {handleCmdPing, 1, false, false, false},
|
||||
"REHASH": {handleCmdRehash, 0, false, false, false},
|
||||
/*
|
||||
"LIST": {handleCmdList, 0, false, false},
|
||||
"VERSION": {handleCmdVersion, 0, false, false},
|
||||
"STATS": {handleCmdStats, 0, false, false},
|
||||
"TIME": {handleCmdTime, 0, false, false},
|
||||
"OPER": {handleCmdOper, 1, false, false},
|
||||
"ADMIN": {handleCmdAdmin, 0, false, false},
|
||||
"INFO": {handleCmdInfo, 0, false, false},
|
||||
"WHO": {handleCmdWho, 0, false, false},
|
||||
"WHOWAS": {handleCmdWhowas, 0, false, false},
|
||||
"KILL": {handleCmdKill, 0, false, false},
|
||||
"PONG": {handleCmdPong, 0, false, false},
|
||||
"ERROR": {handleCmdError, 0, false, false},
|
||||
"AWAY": {handleCmdAway, 0, false, false},
|
||||
"RESTART": {handleCmdRestart, 0, false, false},
|
||||
"SUMMON": {handleCmdSummon, 0, false, false},
|
||||
"USERS": {handleCmdUsers, 0, false, false},
|
||||
"USERHOST": {handleCmdUserhost, 0, false, false},
|
||||
"ISON": {handleCmdIson, 0, false, false},
|
||||
*/
|
||||
}
|
||||
|
||||
func handleCmdPrivmsg(sv *Server, msg *irc.Message) {
|
||||
sv.sendMsg(msg)
|
||||
}
|
||||
|
||||
func handleCmdJoin(sv *Server, msg *irc.Message) {
|
||||
clid := strings.ToLower(msg.Pre)
|
||||
chid := strings.ToLower(msg.Args[0])
|
||||
if _, exists := sv.chUsers[chid]; !exists {
|
||||
sv.chUsers[chid] = make(map[string]string)
|
||||
sv.chTopics[chid] = ""
|
||||
sv.chModes[chid] = make(map[string]bool)
|
||||
}
|
||||
if _, exists := sv.chUsers[chid][clid]; exists {
|
||||
return
|
||||
}
|
||||
sv.chUsers[chid][clid] = ""
|
||||
sv.sendMsg(msg)
|
||||
sv.sendReply(msg.Pre, RPL_TOPIC, msg.Args[0], sv.chTopics[msg.Args[0]])
|
||||
sv.channelNames(msg.Pre, msg.Args[0])
|
||||
}
|
||||
|
||||
func handleCmdPart(sv *Server, msg *irc.Message) {
|
||||
clid := strings.ToLower(msg.Pre)
|
||||
chid := strings.ToLower(msg.Args[0])
|
||||
if _, exists := sv.chUsers[chid]; !exists {
|
||||
return
|
||||
}
|
||||
if _, exists := sv.chUsers[chid][clid]; !exists {
|
||||
return
|
||||
}
|
||||
sv.sendMsg(msg)
|
||||
delete(sv.chUsers[chid], clid)
|
||||
|
||||
}
|
||||
|
||||
func handleCmdQuit(sv *Server, msg *irc.Message) {
|
||||
|
||||
}
|
||||
|
||||
func handleCmdMode(sv *Server, msg *irc.Message) {
|
||||
if strings.HasPrefix(msg.Args[0], "#") {
|
||||
chid := strings.ToLower(msg.Args[0])
|
||||
if _, exists := sv.chUsers[chid]; !exists {
|
||||
return
|
||||
}
|
||||
if len(msg.Args) < 2 {
|
||||
return
|
||||
}
|
||||
modeFlag := strings.ToLower(msg.Args[1])
|
||||
if len(msg.Args) < 3 {
|
||||
//modeTar := ""
|
||||
} else {
|
||||
//modeTar := strings.ToLower(msg.Args[2])
|
||||
}
|
||||
switch modeFlag {
|
||||
case "+o":
|
||||
case "-o":
|
||||
case "+h":
|
||||
case "-h":
|
||||
case "+b":
|
||||
case "-b":
|
||||
case "+v":
|
||||
case "-v":
|
||||
}
|
||||
sv.sendMsg(msg)
|
||||
}
|
||||
}
|
||||
|
||||
func handleCmdTopic(sv *Server, msg *irc.Message) {
|
||||
ch := msg.Args[0]
|
||||
if _, exists := sv.chUsers[ch]; !exists {
|
||||
sv.sendReply(msg.Pre, ERR_NOSUCHCHANNEL, ch, "No such channel")
|
||||
}
|
||||
if msg.Trail == "" {
|
||||
sv.sendReply(msg.Pre, RPL_TOPIC, ch, sv.chTopics[ch])
|
||||
} else {
|
||||
sv.chTopics[ch] = msg.Trail
|
||||
sv.sendMsg(msg)
|
||||
//sv.sendReply(msg.Pre, RPL_TOPIC, ch, msg.Trail)
|
||||
}
|
||||
}
|
||||
func handleCmdNames(sv *Server, msg *irc.Message) {
|
||||
ch := msg.Args[0]
|
||||
if _, exists := sv.chUsers[ch]; !exists {
|
||||
sv.sendReply(msg.Pre, ERR_NOSUCHCHANNEL, ch, "No such channel")
|
||||
}
|
||||
sv.channelNames(msg.Pre, ch)
|
||||
}
|
||||
|
||||
func handleCmdWhois(sv *Server, msg *irc.Message) {
|
||||
sv.sendReply(msg.Pre, RPL_WHOISUSER, "nick user host *", "real name")
|
||||
}
|
||||
|
||||
func handleCmdPing(sv *Server, msg *irc.Message) {
|
||||
sv.sendReply(msg.Pre, "PONG", msg.Args[0], "")
|
||||
}
|
||||
|
||||
func handleCmdRehash(sv *Server, msg *irc.Message) {
|
||||
sv.loadConfig()
|
||||
sv.sendReply(msg.Pre, RPL_REHASHING, "", "Rehashing.")
|
||||
xlog.Info("Rehashing")
|
||||
}
|
||||
Loading…
Reference in New Issue