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- /*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2010 Alexander Barton (alex@barton.de)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * Please read the file COPYING, README and AUTHORS for more information.
- */
- #include "portab.h"
- /**
- * @file
- * IRC channel commands
- */
- #include "imp.h"
- #include <assert.h>
- #include <stdlib.h>
- #include <stdio.h>
- #include <string.h>
- #include "defines.h"
- #include "conn.h"
- #include "channel.h"
- #include "conn-func.h"
- #include "lists.h"
- #include "log.h"
- #include "match.h"
- #include "messages.h"
- #include "parse.h"
- #include "irc.h"
- #include "irc-info.h"
- #include "irc-write.h"
- #include "conf.h"
- #include "exp.h"
- #include "irc-channel.h"
- /**
- * Part from all channels.
- *
- * RFC 2812, (3.2.1 Join message Command):
- * Note that this message accepts a special argument ("0"), which is a
- * special request to leave all channels the user is currently a member of.
- * The server will process this message as if the user had sent a PART
- * command (See Section 3.2.2) for each channel he is a member of.
- *
- * @param client Client that initiated the part request
- * @param target Client that should part all joined channels
- * @returns CONNECTED or DISCONNECTED
- */
- static bool
- part_from_all_channels(CLIENT* client, CLIENT *target)
- {
- CL2CHAN *cl2chan;
- CHANNEL *chan;
- while ((cl2chan = Channel_FirstChannelOf(target))) {
- chan = Channel_GetChannel(cl2chan);
- assert( chan != NULL );
- Channel_Part(target, client, Channel_Name(chan), Client_ID(target));
- }
- return CONNECTED;
- } /* part_from_all_channels */
- /**
- * Check weather a local client is allowed to join an already existing
- * channel or not.
- *
- * @param Client Client that sent the JOIN command
- * @param chan Channel to check
- * @param channame Name of the channel
- * @param key Provided channel key (or NULL)
- * @returns true if client is allowed to join, false otherwise
- */
- static bool
- join_allowed(CLIENT *Client, CHANNEL *chan, const char *channame,
- const char *key)
- {
- bool is_invited, is_banned, is_exception;
- const char *channel_modes;
- /* Allow IRC operators to overwrite channel limits */
- if (strchr(Client_Modes(Client), 'o'))
- return true;
- is_banned = Lists_Check(Channel_GetListBans(chan), Client);
- is_exception = Lists_Check(Channel_GetListExcepts(chan), Client);
- is_invited = Lists_Check(Channel_GetListInvites(chan), Client);
- if (is_banned && !is_invited && !is_exception) {
- /* Client is banned from channel (and not on invite list) */
- IRC_WriteStrClient(Client, ERR_BANNEDFROMCHAN_MSG,
- Client_ID(Client), channame);
- return false;
- }
- channel_modes = Channel_Modes(chan);
- if (strchr(channel_modes, 'i') && !is_invited) {
- /* Channel is "invite-only" and client is not on invite list */
- IRC_WriteStrClient(Client, ERR_INVITEONLYCHAN_MSG,
- Client_ID(Client), channame);
- return false;
- }
- if (!Channel_CheckKey(chan, Client, key ? key : "")) {
- /* Channel is protected by a channel key and the client
- * didn't specify the correct one */
- IRC_WriteStrClient(Client, ERR_BADCHANNELKEY_MSG,
- Client_ID(Client), channame);
- return false;
- }
- if (strchr(channel_modes, 'l') &&
- (Channel_MaxUsers(chan) <= Channel_MemberCount(chan))) {
- /* There are more clints joined to this channel than allowed */
- IRC_WriteStrClient(Client, ERR_CHANNELISFULL_MSG,
- Client_ID(Client), channame);
- return false;
- }
- if (strchr(channel_modes, 'z') && !Conn_UsesSSL(Client_Conn(Client))) {
- /* Only "secure" clients are allowed, but clients doesn't
- * use SSL encryption */
- IRC_WriteStrClient(Client, ERR_SECURECHANNEL_MSG,
- Client_ID(Client), channame);
- return false;
- }
- if (strchr(channel_modes, 'O') && !Client_OperByMe(Client)) {
- /* Only IRC operators are allowed! */
- IRC_WriteStrClient(Client, ERR_OPONLYCHANNEL_MSG,
- Client_ID(Client), channame);
- return false;
- }
- if (strchr(channel_modes, 'R') && !strchr(Client_Modes(Client), 'R')) {
- /* Only registered users are allowed! */
- IRC_WriteStrClient(Client, ERR_REGONLYCHANNEL_MSG,
- Client_ID(Client), channame);
- return false;
- }
- return true;
- } /* join_allowed */
- /**
- * Set user channel modes.
- *
- * @param chan Channel
- * @param target User to set modes for
- * @param flags Channel modes to add
- */
- static void
- join_set_channelmodes(CHANNEL *chan, CLIENT *target, const char *flags)
- {
- if (flags) {
- while (*flags) {
- Channel_UserModeAdd(chan, target, *flags);
- flags++;
- }
- }
- /* If channel persistent and client is ircop: make client chanop */
- if (strchr(Channel_Modes(chan), 'P') && strchr(Client_Modes(target), 'o'))
- Channel_UserModeAdd(chan, target, 'o');
- } /* join_set_channelmodes */
- /**
- * Forward JOIN command to a specific server
- *
- * This function diffentiates between servers using RFC 2813 mode that
- * support the JOIN command with appended ASCII 7 character and channel
- * modes, and servers using RFC 1459 protocol which require separate JOIN
- * and MODE commands.
- *
- * @param To Forward JOIN (and MODE) command to this peer server
- * @param Prefix Client used to prefix the genrated commands
- * @param Data Parameters of JOIN command to forward, probably
- * containing channel modes separated by ASCII 7.
- */
- static void
- cb_join_forward(CLIENT *To, CLIENT *Prefix, void *Data)
- {
- CONN_ID conn;
- char str[COMMAND_LEN], *ptr = NULL;
- strlcpy(str, (char *)Data, sizeof(str));
- conn = Client_Conn(To);
- if (Conn_Options(conn) & CONN_RFC1459) {
- /* RFC 1459 compatibility mode, appended modes are NOT
- * supported, so strip them off! */
- ptr = strchr(str, 0x7);
- if (ptr)
- *ptr++ = '\0';
- }
- IRC_WriteStrClientPrefix(To, Prefix, "JOIN %s", str);
- if (ptr && *ptr)
- IRC_WriteStrClientPrefix(To, Prefix, "MODE %s +%s %s", str, ptr,
- Client_ID(Prefix));
- } /* cb_join_forward */
- /**
- * Forward JOIN command to all servers
- *
- * This function calls cb_join_forward(), which differentiates between
- * protocol implementations (e.g. RFC 2812, RFC 1459).
- *
- * @param Client Client used to prefix the genrated commands
- * @param target Forward JOIN (and MODE) command to this peer server
- * @param chan Channel structure
- * @param channame Channel name
- */
- static void
- join_forward(CLIENT *Client, CLIENT *target, CHANNEL *chan,
- const char *channame)
- {
- char modes[CHANNEL_MODE_LEN], str[COMMAND_LEN];
- /* RFC 2813, 4.2.1: channel modes are separated from the channel
- * name with ASCII 7, if any, and not spaces: */
- strlcpy(&modes[1], Channel_UserModes(chan, target), sizeof(modes) - 1);
- if (modes[1])
- modes[0] = 0x7;
- else
- modes[0] = '\0';
- /* forward to other servers (if it is not a local channel) */
- if (!Channel_IsLocal(chan)) {
- snprintf(str, sizeof(str), "%s%s", channame, modes);
- IRC_WriteStrServersPrefixFlag_CB(Client, target, '\0',
- cb_join_forward, str);
- }
- /* tell users in this channel about the new client */
- IRC_WriteStrChannelPrefix(Client, chan, target, false,
- "JOIN :%s", channame);
- /* synchronize channel modes */
- if (modes[1]) {
- IRC_WriteStrChannelPrefix(Client, chan, target, false,
- "MODE %s +%s %s", channame,
- &modes[1], Client_ID(target));
- }
- } /* join_forward */
- /**
- * Aknowledge user JOIN request and send "channel info" numerics.
- *
- * @param Client Client used to prefix the genrated commands
- * @param target Forward commands/numerics to this user
- * @param chan Channel structure
- * @param channame Channel name
- */
- static bool
- join_send_topic(CLIENT *Client, CLIENT *target, CHANNEL *chan,
- const char *channame)
- {
- const char *topic;
- if (Client_Type(Client) != CLIENT_USER)
- return true;
- /* acknowledge join */
- if (!IRC_WriteStrClientPrefix(Client, target, "JOIN :%s", channame))
- return false;
- /* Send topic to client, if any */
- topic = Channel_Topic(chan);
- assert(topic != NULL);
- if (*topic) {
- if (!IRC_WriteStrClient(Client, RPL_TOPIC_MSG,
- Client_ID(Client), channame, topic))
- return false;
- #ifndef STRICT_RFC
- if (!IRC_WriteStrClient(Client, RPL_TOPICSETBY_MSG,
- Client_ID(Client), channame,
- Channel_TopicWho(chan),
- Channel_TopicTime(chan)))
- return false;
- #endif
- }
- /* send list of channel members to client */
- if (!IRC_Send_NAMES(Client, chan))
- return false;
- return IRC_WriteStrClient(Client, RPL_ENDOFNAMES_MSG, Client_ID(Client),
- Channel_Name(chan));
- } /* join_send_topic */
- /**
- * Handler for the IRC "JOIN" command.
- *
- * See RFC 2812, 3.2.1 "Join message"; RFC 2813, 4.2.1 "Join message".
- *
- * @param Client The client from which this command has been received
- * @param Req Request structure with prefix and all parameters
- * @returns CONNECTED or DISCONNECTED
- */
- GLOBAL bool
- IRC_JOIN( CLIENT *Client, REQUEST *Req )
- {
- char *channame, *key = NULL, *flags, *lastkey = NULL, *lastchan = NULL;
- CLIENT *target;
- CHANNEL *chan;
- assert (Client != NULL);
- assert (Req != NULL);
- /* Bad number of arguments? */
- if (Req->argc < 1 || Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
- /* Who is the sender? */
- if (Client_Type(Client) == CLIENT_SERVER)
- target = Client_Search(Req->prefix);
- else
- target = Client;
- if (!target)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
- /* Is argument "0"? */
- if (Req->argc == 1 && !strncmp("0", Req->argv[0], 2))
- return part_from_all_channels(Client, target);
- /* Are channel keys given? */
- if (Req->argc > 1)
- key = strtok_r(Req->argv[1], ",", &lastkey);
- channame = Req->argv[0];
- channame = strtok_r(channame, ",", &lastchan);
- /* Make sure that "channame" is not the empty string ("JOIN :") */
- if (! channame)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
- while (channame) {
- flags = NULL;
- /* Did the server include channel-user-modes? */
- if (Client_Type(Client) == CLIENT_SERVER) {
- flags = strchr(channame, 0x7);
- if (flags) {
- *flags = '\0';
- flags++;
- }
- }
- chan = Channel_Search(channame);
- if (!chan && Conf_PredefChannelsOnly) {
- /* channel must be created, but forbidden by config */
- IRC_WriteStrClient(Client, ERR_BANNEDFROMCHAN_MSG,
- Client_ID(Client), channame);
- goto join_next;
- }
- /* Local client? */
- if (Client_Type(Client) == CLIENT_USER) {
- if (chan) {
- /* Already existing channel: already member? */
- if (Channel_IsMemberOf(chan, Client))
- goto join_next;
- }
- /* Test if the user has reached the channel limit */
- if ((Conf_MaxJoins > 0) &&
- (Channel_CountForUser(Client) >= Conf_MaxJoins)) {
- if (!IRC_WriteStrClient(Client,
- ERR_TOOMANYCHANNELS_MSG,
- Client_ID(Client), channame))
- return DISCONNECTED;
- goto join_next;
- }
- if (chan) {
- /* Already existing channel: check if the
- * client is allowed to join */
- if (!join_allowed(Client, chan, channame, key))
- goto join_next;
- } else {
- /* New channel: first user will become channel
- * operator unless this is a modeless channel */
- if (*channame != '+')
- flags = "o";
- }
- /* Local client: update idle time */
- Conn_UpdateIdle(Client_Conn(Client));
- } else {
- /* Remote server: we don't need to know whether the
- * client is invited or not, but we have to make sure
- * that the "one shot" entries (generated by INVITE
- * commands) in this list become deleted when a user
- * joins a channel this way. */
- if (chan)
- (void)Lists_Check(Channel_GetListInvites(chan),
- target);
- }
- /* Join channel (and create channel if it doesn't exist) */
- if (!Channel_Join(target, channame))
- goto join_next;
- if (!chan) { /* channel is new; it has been created above */
- chan = Channel_Search(channame);
- assert(chan != NULL);
- if (Channel_IsModeless(chan)) {
- Channel_ModeAdd(chan, 't'); /* /TOPIC not allowed */
- Channel_ModeAdd(chan, 'n'); /* no external msgs */
- }
- }
- assert(chan != NULL);
- join_set_channelmodes(chan, target, flags);
- join_forward(Client, target, chan, channame);
- if (!join_send_topic(Client, target, chan, channame))
- break; /* write error */
- join_next:
- /* next channel? */
- channame = strtok_r(NULL, ",", &lastchan);
- if (channame && key)
- key = strtok_r(NULL, ",", &lastkey);
- }
- return CONNECTED;
- } /* IRC_JOIN */
- /**
- * Handler for the IRC "PART" command.
- *
- * See RFC 2812, 3.2.2: "Part message".
- *
- * @param Client The client from which this command has been received
- * @param Req Request structure with prefix and all parameters
- * @returns CONNECTED or DISCONNECTED
- */
- GLOBAL bool
- IRC_PART(CLIENT * Client, REQUEST * Req)
- {
- CLIENT *target;
- char *chan;
- assert(Client != NULL);
- assert(Req != NULL);
- if (Req->argc < 1 || Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
- /* Get the sender */
- if (Client_Type(Client) == CLIENT_SERVER)
- target = Client_Search(Req->prefix);
- else
- target = Client;
- if (!target)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
- /* Loop over all the given channel names */
- chan = strtok(Req->argv[0], ",");
- /* Make sure that "chan" is not the empty string ("PART :") */
- if (! chan)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
- while (chan) {
- Channel_Part(target, Client, chan,
- Req->argc > 1 ? Req->argv[1] : Client_ID(target));
- chan = strtok(NULL, ",");
- }
- /* Update idle time, if local client */
- if (Client_Conn(Client) > NONE)
- Conn_UpdateIdle(Client_Conn(Client));
- return CONNECTED;
- } /* IRC_PART */
- /**
- * Handler for the IRC "TOPIC" command.
- *
- * See RFC 2812, 3.2.4 "Topic message".
- *
- * @param Client The client from which this command has been received
- * @param Req Request structure with prefix and all parameters
- * @returns CONNECTED or DISCONNECTED
- */
- GLOBAL bool
- IRC_TOPIC( CLIENT *Client, REQUEST *Req )
- {
- CHANNEL *chan;
- CLIENT *from;
- char *topic;
- bool onchannel, topicok, use_servermode, r;
- assert( Client != NULL );
- assert( Req != NULL );
- if (Req->argc < 1 || Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
- if (Client_Type(Client) == CLIENT_SERVER)
- from = Client_Search(Req->prefix);
- else
- from = Client;
- if (!from)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
- chan = Channel_Search(Req->argv[0]);
- if (!chan)
- return IRC_WriteStrClient(from, ERR_NOSUCHCHANNEL_MSG,
- Client_ID(from), Req->argv[0]);
- Channel_CheckAdminRights(chan, Client, from,
- &onchannel, &topicok, &use_servermode);
- if (!onchannel && !topicok)
- return IRC_WriteStrClient(from, ERR_NOTONCHANNEL_MSG,
- Client_ID(from), Req->argv[0]);
- if (Req->argc == 1) {
- /* Request actual topic */
- topic = Channel_Topic(chan);
- if (*topic) {
- r = IRC_WriteStrClient(from, RPL_TOPIC_MSG,
- Client_ID(Client),
- Channel_Name(chan), topic);
- #ifndef STRICT_RFC
- if (!r)
- return r;
- r = IRC_WriteStrClient(from, RPL_TOPICSETBY_MSG,
- Client_ID(Client),
- Channel_Name(chan),
- Channel_TopicWho(chan),
- Channel_TopicTime(chan));
- #endif
- return r;
- }
- else
- return IRC_WriteStrClient(from, RPL_NOTOPIC_MSG,
- Client_ID(from),
- Channel_Name(chan));
- }
- if (strchr(Channel_Modes(chan), 't')) {
- /* Topic Lock. Is the user a channel or IRC operator? */
- if (!topicok)
- return IRC_WriteStrClient(from, ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(from),
- Channel_Name(chan));
- }
- /* Set new topic */
- Channel_SetTopic(chan, from, Req->argv[1]);
- LogDebug("%s \"%s\" set topic on \"%s\": %s",
- Client_TypeText(from), Client_Mask(from), Channel_Name(chan),
- Req->argv[1][0] ? Req->argv[1] : "<none>");
- if (use_servermode)
- from = Client_ThisServer();
- /* Update channel and forward new topic to other servers */
- if (!Channel_IsLocal(chan))
- IRC_WriteStrServersPrefix(Client, from, "TOPIC %s :%s",
- Req->argv[0], Req->argv[1]);
- IRC_WriteStrChannelPrefix(Client, chan, from, false, "TOPIC %s :%s",
- Req->argv[0], Req->argv[1]);
- if (Client_Type(Client) == CLIENT_USER)
- return IRC_WriteStrClientPrefix(Client, Client, "TOPIC %s :%s",
- Req->argv[0], Req->argv[1]);
- else
- return CONNECTED;
- } /* IRC_TOPIC */
- /**
- * Handler for the IRC "LIST" command.
- *
- * See RFC 2812, 3.2.6 "List message".
- *
- * This implementation handles the local case as well as the forwarding of the
- * LIST command to other servers in the IRC network.
- *
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @return CONNECTED or DISCONNECTED.
- */
- GLOBAL bool
- IRC_LIST( CLIENT *Client, REQUEST *Req )
- {
- char *pattern;
- CHANNEL *chan;
- CLIENT *from, *target;
- int count = 0;
- assert(Client != NULL);
- assert(Req != NULL);
- /* Bad number of prameters? */
- if (Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
- if (Req->argc > 0)
- pattern = strtok(Req->argv[0], ",");
- else
- pattern = "*";
- /* Get sender from prefix, if any */
- if (Client_Type(Client) == CLIENT_SERVER)
- from = Client_Search(Req->prefix);
- else
- from = Client;
- if (!from)
- return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
- Client_ID(Client), Req->prefix);
- if (Req->argc == 2) {
- /* Forward to other server? */
- target = Client_Search(Req->argv[1]);
- if (! target || Client_Type(target) != CLIENT_SERVER)
- return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
- Client_ID(Client),
- Req->argv[1]);
- if (target != Client_ThisServer()) {
- /* Target is indeed an other server, forward it! */
- return IRC_WriteStrClientPrefix(target, from,
- "LIST %s :%s",
- Req->argv[0],
- Req->argv[1]);
- }
- }
- while (pattern) {
- /* Loop through all the channels */
- if (Req->argc > 0)
- ngt_LowerStr(pattern);
- chan = Channel_First();
- while (chan) {
- /* Check search pattern */
- if (MatchCaseInsensitive(pattern, Channel_Name(chan))) {
- /* Gotcha! */
- if (!strchr(Channel_Modes(chan), 's')
- || Channel_IsMemberOf(chan, from)) {
- if (IRC_CheckListTooBig(from, count,
- MAX_RPL_LIST,
- "LIST"))
- break;
- if (!IRC_WriteStrClient(from,
- RPL_LIST_MSG, Client_ID(from),
- Channel_Name(chan),
- Channel_MemberCount(chan),
- Channel_Topic( chan )))
- return DISCONNECTED;
- count++;
- }
- }
- chan = Channel_Next(chan);
- }
- /* Get next name ... */
- if(Req->argc > 0)
- pattern = strtok(NULL, ",");
- else
- pattern = NULL;
- }
- IRC_SetPenalty(from, 2);
- return IRC_WriteStrClient(from, RPL_LISTEND_MSG, Client_ID(from));
- } /* IRC_LIST */
- /**
- * Handler for the IRC+ command "CHANINFO".
- *
- * See doc/Protocol.txt, section II.3:
- * "Exchange channel-modes, topics, and persistent channels".
- *
- * @param Client The client from which this command has been received
- * @param Req Request structure with prefix and all parameters
- * @returns CONNECTED or DISCONNECTED
- */
- GLOBAL bool
- IRC_CHANINFO( CLIENT *Client, REQUEST *Req )
- {
- char modes_add[COMMAND_LEN], l[16], *ptr;
- CLIENT *from;
- CHANNEL *chan;
- int arg_topic;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Bad number of parameters? */
- if (Req->argc < 2 || Req->argc == 4 || Req->argc > 5)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
- /* Compatibility kludge */
- if( Req->argc == 5 ) arg_topic = 4;
- else if( Req->argc == 3 ) arg_topic = 2;
- else arg_topic = -1;
- /* Search origin */
- from = Client_Search( Req->prefix );
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- /* Search or create channel */
- chan = Channel_Search( Req->argv[0] );
- if( ! chan ) chan = Channel_Create( Req->argv[0] );
- if( ! chan ) return CONNECTED;
- if( Req->argv[1][0] == '+' )
- {
- ptr = Channel_Modes( chan );
- if( ! *ptr )
- {
- /* OK, this channel doesn't have modes jet, set the received ones: */
- Channel_SetModes( chan, &Req->argv[1][1] );
- if( Req->argc == 5 )
- {
- if( strchr( Channel_Modes( chan ), 'k' )) Channel_SetKey( chan, Req->argv[2] );
- if( strchr( Channel_Modes( chan ), 'l' )) Channel_SetMaxUsers( chan, atol( Req->argv[3] ));
- }
- else
- {
- /* Delete modes which we never want to inherit */
- Channel_ModeDel( chan, 'l' );
- Channel_ModeDel( chan, 'k' );
- }
- strcpy( modes_add, "" );
- ptr = Channel_Modes( chan );
- while( *ptr )
- {
- if( *ptr == 'l' )
- {
- snprintf( l, sizeof( l ), " %lu", Channel_MaxUsers( chan ));
- strlcat( modes_add, l, sizeof( modes_add ));
- }
- if( *ptr == 'k' )
- {
- strlcat( modes_add, " ", sizeof( modes_add ));
- strlcat( modes_add, Channel_Key( chan ), sizeof( modes_add ));
- }
- ptr++;
- }
- /* Inform members of this channel */
- IRC_WriteStrChannelPrefix( Client, chan, from, false, "MODE %s +%s%s", Req->argv[0], Channel_Modes( chan ), modes_add );
- }
- }
- else Log( LOG_WARNING, "CHANINFO: invalid MODE format ignored!" );
- if( arg_topic > 0 )
- {
- /* We got a topic */
- ptr = Channel_Topic( chan );
- if(( ! *ptr ) && ( Req->argv[arg_topic][0] ))
- {
- /* OK, there is no topic jet */
- Channel_SetTopic(chan, Client, Req->argv[arg_topic]);
- IRC_WriteStrChannelPrefix(Client, chan, from, false,
- "TOPIC %s :%s", Req->argv[0], Channel_Topic(chan));
- }
- }
- /* Forward CHANINFO to other serevrs */
- if( Req->argc == 5 ) IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s %s %s :%s", Req->argv[0], Req->argv[1], Req->argv[2], Req->argv[3], Req->argv[4] );
- else if( Req->argc == 3 ) IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s :%s", Req->argv[0], Req->argv[1], Req->argv[2] );
- else IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s", Req->argv[0], Req->argv[1] );
- return CONNECTED;
- } /* IRC_CHANINFO */
- /* -eof- */
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