247 lines
6.6 KiB
Go
247 lines
6.6 KiB
Go
// vim:ts=4:sts=4:sw=4:noet:tw=72
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package ircd
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import (
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"strings"
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"code.dnix.de/an/irc"
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"code.dnix.de/an/xlog"
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)
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type commandHook struct {
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HookFn func(sv *Server, msg *irc.Message)
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MinArgs int
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NeedTrail bool
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NeedMode string
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}
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var svCommandHooks = map[string]commandHook{
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"PRIVMSG": {handleCmdPrivmsg, 1, true, ""},
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"JOIN": {handleCmdJoin, 1, false, ""},
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"PART": {handleCmdPart, 1, false, ""},
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"QUIT": {handleCmdQuit, 0, false, ""},
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"MODE": {handleCmdMode, 1, false, ""},
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"TOPIC": {handleCmdTopic, 1, false, ""},
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"KICK": {handleCmdKick, 2, false, ""},
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"NAMES": {handleCmdNames, 1, false, ""},
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"WHOIS": {handleCmdWhois, 0, false, ""},
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"PING": {handleCmdPing, 1, false, ""},
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"REHASH": {handleCmdRehash, 0, false, "ao"},
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"KILL": {handleCmdKill, 0, false, "ao"},
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/*
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"LIST": {handleCmdList, 0, false, false},
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"VERSION": {handleCmdVersion, 0, false, false},
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"STATS": {handleCmdStats, 0, false, false},
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"TIME": {handleCmdTime, 0, false, false},
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"OPER": {handleCmdOper, 1, false, false},
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"ADMIN": {handleCmdAdmin, 0, false, false},
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"INFO": {handleCmdInfo, 0, false, false},
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"WHO": {handleCmdWho, 0, false, false},
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"WHOWAS": {handleCmdWhowas, 0, false, false},
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"PONG": {handleCmdPong, 0, false, false},
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"ERROR": {handleCmdError, 0, false, false},
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"AWAY": {handleCmdAway, 0, false, false},
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"RESTART": {handleCmdRestart, 0, false, false},
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"SUMMON": {handleCmdSummon, 0, false, false},
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"USERS": {handleCmdUsers, 0, false, false},
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"USERHOST": {handleCmdUserhost, 0, false, false},
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"ISON": {handleCmdIson, 0, false, false},
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*/
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}
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func handleCmdPrivmsg(sv *Server, msg *irc.Message) {
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if strings.HasPrefix(msg.Args[0], "#") {
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clid := strings.ToLower(msg.Pre)
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chid := strings.ToLower(msg.Args[0])
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if sv.channelCheckMode(chid, "m") &&
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!sv.channelCheckPerm(chid, clid, "ohv") {
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sv.sendReply(clid, ERR_CANNOTSENDTOCHAN, chid, "Cannot send to channel")
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return
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}
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if _, exists := sv.chUsers[chid][clid]; !exists {
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sv.sendReply(clid, ERR_CANNOTSENDTOCHAN, chid, "Cannot send to channel")
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return
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}
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}
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sv.sendMsg(msg)
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}
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func handleCmdJoin(sv *Server, msg *irc.Message) {
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first := false
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clid := strings.ToLower(msg.Pre)
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chid := strings.ToLower(msg.Args[0])
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if _, exists := sv.chUsers[chid]; !exists {
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sv.chUsers[chid] = make(map[string]string)
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sv.chTopics[chid] = ""
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sv.chModes[chid] = make(map[string]bool)
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first = true
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}
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if _, exists := sv.chUsers[chid][clid]; exists {
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return
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}
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sv.chUsers[chid][clid] = ""
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sv.sendMsg(msg)
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sv.sendReply(msg.Pre, RPL_TOPIC, msg.Args[0], sv.chTopics[msg.Args[0]])
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sv.channelNames(msg.Pre, msg.Args[0])
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_, isop := sv.opers[clid]
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if first || isop {
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mode := "o " + clid
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sv.chModes[chid][mode] = true
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sv.sendMsg(irc.M(sv.host, "MODE", chid+" +o "+clid, ""))
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}
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if isop {
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sv.sendMsg(irc.M(sv.host, "PRIVMSG", chid, clid+" is a server operator"))
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}
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}
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// Handle user parting the channel and delete channel if last user has
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// left
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func handleCmdPart(sv *Server, msg *irc.Message) {
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clid := strings.ToLower(msg.Pre)
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chid := strings.ToLower(msg.Args[0])
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if _, exists := sv.chUsers[chid]; !exists {
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return
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}
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if _, exists := sv.chUsers[chid][clid]; !exists {
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return
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}
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sv.sendMsg(msg)
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delete(sv.chUsers[chid], clid)
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delete(sv.chModes[chid], "o "+clid)
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delete(sv.chModes[chid], "h "+clid)
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delete(sv.chModes[chid], "v "+clid)
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if len(sv.chUsers[chid]) == 0 {
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delete(sv.chUsers, chid)
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delete(sv.chTopics, chid)
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delete(sv.chModes, chid)
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}
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}
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func handleCmdQuit(sv *Server, msg *irc.Message) {
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}
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func handleCmdMode(sv *Server, msg *irc.Message) {
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if strings.HasPrefix(msg.Args[0], "#") {
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chid := strings.ToLower(msg.Args[0])
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clid := strings.ToLower(msg.Pre)
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if _, exists := sv.chUsers[chid]; !exists {
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return
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}
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if len(msg.Args) < 2 {
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return
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}
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mode := ""
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modeSwitch := msg.Args[1]
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modeTarget := ""
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if len(modeSwitch) < 2 {
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return
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}
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if len(msg.Args) > 2 {
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modeTarget = strings.ToLower(msg.Args[2])
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}
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switch modeSwitch[1] {
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// maybe this can be done more elegant
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case 'o':
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if !sv.channelCheckPerm(chid, clid, "o") {
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goto noPerm
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}
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case 'h':
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if !sv.channelCheckPerm(chid, clid, "o") {
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goto noPerm
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}
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case 'b':
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if !sv.channelCheckPerm(chid, clid, "oh") {
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goto noPerm
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}
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case 'v':
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if !sv.channelCheckPerm(chid, clid, "oh") {
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goto noPerm
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}
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case 'm':
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if !sv.channelCheckPerm(chid, clid, "oh") {
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goto noPerm
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}
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case 't':
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if !sv.channelCheckPerm(chid, clid, "oh") {
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goto noPerm
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}
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default:
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return
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}
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mode = string(modeSwitch[1])
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if modeTarget != "" {
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mode = mode + " " + modeTarget
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}
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if modeSwitch[0] == '+' {
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sv.chModes[chid][mode] = true
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} else {
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delete(sv.chModes[chid], mode)
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}
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sv.sendMsg(msg)
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return
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noPerm:
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sv.sendReply(clid, ERR_CHANOPRIVSNEEDED, chid, "You're not channel operator")
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}
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}
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func handleCmdTopic(sv *Server, msg *irc.Message) {
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chid := strings.ToLower(msg.Args[0])
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clid := strings.ToLower(msg.Pre)
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if _, exists := sv.chUsers[chid]; !exists {
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sv.sendReply(msg.Pre, ERR_NOSUCHCHANNEL, chid, "No such channel")
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}
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if msg.Trail == "" {
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sv.sendReply(msg.Pre, RPL_TOPIC, chid, sv.chTopics[chid])
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} else {
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if sv.channelCheckMode(chid, "t") &&
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!sv.channelCheckPerm(chid, clid, "oh") {
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sv.sendReply(clid, ERR_CHANOPRIVSNEEDED, chid, "You're not channel operator")
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return
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}
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sv.chTopics[chid] = msg.Trail
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sv.sendMsg(msg)
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//sv.sendReply(msg.Pre, RPL_TOPIC, ch, msg.Trail)
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}
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}
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func handleCmdKick(sv *Server, msg *irc.Message) {
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chid := strings.ToLower(msg.Args[0])
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clid := strings.ToLower(msg.Pre)
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target := strings.ToLower(msg.Args[1])
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if !sv.channelCheckPerm(chid, clid, "oh") {
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sv.sendReply(clid, ERR_CHANOPRIVSNEEDED, chid, "You're not channel operator")
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}
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sv.sendMsg(msg)
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delete(sv.chUsers[chid], target)
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delete(sv.chModes[chid], "o "+target)
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delete(sv.chModes[chid], "h "+target)
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delete(sv.chModes[chid], "v "+target)
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}
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func handleCmdNames(sv *Server, msg *irc.Message) {
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chid := strings.ToLower(msg.Args[0])
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if _, exists := sv.chUsers[chid]; !exists {
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sv.sendReply(msg.Pre, ERR_NOSUCHCHANNEL, chid, "No such channel")
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}
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sv.channelNames(msg.Pre, chid)
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}
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func handleCmdWhois(sv *Server, msg *irc.Message) {
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sv.sendReply(msg.Pre, RPL_WHOISUSER, "nick user host *", "real name")
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}
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func handleCmdPing(sv *Server, msg *irc.Message) {
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sv.sendReply(msg.Pre, "PONG", msg.Args[0], "")
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}
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func handleCmdRehash(sv *Server, msg *irc.Message) {
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sv.loadConfig()
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sv.sendReply(msg.Pre, RPL_REHASHING, "", "Rehashing.")
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xlog.Info("Rehashing")
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}
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func handleCmdKill(sv *Server, msg *irc.Message) {
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}
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