2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 * Please read the file COPYING, README and AUTHORS for more information.
30 #include "conn-func.h"
36 #include "irc-write.h"
52 static CHANNEL *My_Channels;
53 static CL2CHAN *My_Cl2Chan;
56 static CL2CHAN *Get_Cl2Chan PARAMS(( CHANNEL *Chan, CLIENT *Client ));
57 static CL2CHAN *Add_Client PARAMS(( CHANNEL *Chan, CLIENT *Client ));
58 static bool Remove_Client PARAMS(( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, const char *Reason, bool InformServer ));
59 static CL2CHAN *Get_First_Cl2Chan PARAMS(( CLIENT *Client, CHANNEL *Chan ));
60 static CL2CHAN *Get_Next_Cl2Chan PARAMS(( CL2CHAN *Start, CLIENT *Client, CHANNEL *Chan ));
61 static void Delete_Channel PARAMS(( CHANNEL *Chan ));
62 static void Free_Channel PARAMS(( CHANNEL *Chan ));
63 static void Set_KeyFile PARAMS((CHANNEL *Chan, const char *KeyFile));
74 GLOBAL struct list_head *
75 Channel_GetListBans(CHANNEL *c)
82 GLOBAL struct list_head *
83 Channel_GetListExcepts(CHANNEL *c)
86 return &c->list_excepts;
90 GLOBAL struct list_head *
91 Channel_GetListInvites(CHANNEL *c)
94 return &c->list_invites;
99 * Generate predefined persistent channels and &SERVER
102 Channel_InitPredefined( void )
105 const struct Conf_Channel *conf_chan;
107 size_t i, channel_count = array_length(&Conf_Channels, sizeof(*conf_chan));
109 conf_chan = array_start(&Conf_Channels);
111 assert(channel_count == 0 || conf_chan != NULL);
113 for (i = 0; i < channel_count; i++, conf_chan++) {
114 if (!conf_chan->name[0])
116 if (!Channel_IsValidName(conf_chan->name)) {
118 "Can't create pre-defined channel: invalid name: \"%s\"",
123 new_chan = Channel_Search(conf_chan->name);
126 "Can't create pre-defined channel \"%s\": name already in use.",
128 Set_KeyFile(new_chan, conf_chan->keyfile);
132 new_chan = Channel_Create(conf_chan->name);
134 Log(LOG_ERR, "Can't create pre-defined channel \"%s\"",
138 Log(LOG_INFO, "Created pre-defined channel \"%s\"",
141 Channel_ModeAdd(new_chan, 'P');
143 if (conf_chan->topic[0])
144 Channel_SetTopic(new_chan, NULL, conf_chan->topic);
146 c = conf_chan->modes;
148 Channel_ModeAdd(new_chan, *c++);
150 Channel_SetKey(new_chan, conf_chan->key);
151 Channel_SetMaxUsers(new_chan, conf_chan->maxusers);
152 Set_KeyFile(new_chan, conf_chan->keyfile);
155 array_free(&Conf_Channels);
157 /* Make sure the local &SERVER channel exists */
158 if (!Channel_Search("&SERVER")) {
159 new_chan = Channel_Create("&SERVER");
161 Channel_SetModes(new_chan, "mnPt");
162 Channel_SetTopic(new_chan, Client_ThisServer(),
165 Log(LOG_ERR, "Failed to create \"&SERVER\" channel!");
167 LogDebug("Required channel \"&SERVER\" already exists, ok.");
168 } /* Channel_InitPredefined */
172 Free_Channel(CHANNEL *chan)
174 array_free(&chan->topic);
175 array_free(&chan->keyfile);
176 Lists_Free(&chan->list_bans);
177 Lists_Free(&chan->list_excepts);
178 Lists_Free(&chan->list_invites);
188 CL2CHAN *cl2chan, *cl2chan_next;
190 /* free struct Channel */
198 /* Free Channel allocation table */
199 cl2chan = My_Cl2Chan;
201 cl2chan_next = cl2chan->next;
203 cl2chan = cl2chan_next;
210 * This function lets a client join a channel. First, the function
211 * checks that the specified channel name is valid and that the client
212 * isn't already a member. If the specified channel doesn't exist,
213 * a new channel is created. Client is added to channel by function
217 Channel_Join( CLIENT *Client, const char *Name )
221 assert(Client != NULL);
222 assert(Name != NULL);
224 /* Check that the channel name is valid */
225 if (! Channel_IsValidName(Name)) {
226 IRC_WriteStrClient(Client, ERR_NOSUCHCHANNEL_MSG,
227 Client_ID(Client), Name);
231 chan = Channel_Search(Name);
233 /* Check if the client is already in the channel */
234 if (Get_Cl2Chan(chan, Client))
237 /* If the specified channel does not exist, the channel
239 chan = Channel_Create(Name);
244 /* Add user to Channel */
245 if (! Add_Client(chan, Client))
253 * Part client from channel.
254 * This function lets a client part from a channel. First, the function checks
255 * if the channel exists and the client is a member of it and sends out
256 * appropriate error messages if not. The real work is done by the function
260 Channel_Part(CLIENT * Client, CLIENT * Origin, const char *Name, const char *Reason)
264 assert(Client != NULL);
265 assert(Name != NULL);
266 assert(Reason != NULL);
268 /* Check that specified channel exists */
269 chan = Channel_Search(Name);
271 IRC_WriteStrClient(Client, ERR_NOSUCHCHANNEL_MSG,
272 Client_ID(Client), Name);
276 /* Check that the client is in the channel */
277 if (!Get_Cl2Chan(chan, Client)) {
278 IRC_WriteStrClient(Client, ERR_NOTONCHANNEL_MSG,
279 Client_ID(Client), Name);
283 if (Conf_MorePrivacy)
286 /* Part client from channel */
287 if (!Remove_Client(REMOVE_PART, chan, Client, Origin, Reason, true))
295 * Kick user from Channel
298 Channel_Kick(CLIENT *Peer, CLIENT *Target, CLIENT *Origin, const char *Name,
302 char *ptr, *target_modes;
303 bool can_kick = false;
305 assert(Peer != NULL);
306 assert(Target != NULL);
307 assert(Origin != NULL);
308 assert(Name != NULL);
309 assert(Reason != NULL);
311 /* Check that channel exists */
312 chan = Channel_Search( Name );
315 IRC_WriteStrClient( Origin, ERR_NOSUCHCHANNEL_MSG, Client_ID( Origin ), Name );
319 if (Client_Type(Peer) != CLIENT_SERVER &&
320 Client_Type(Origin) != CLIENT_SERVICE) {
321 /* Check that user is on the specified channel */
322 if (!Channel_IsMemberOf(chan, Origin)) {
323 IRC_WriteStrClient( Origin, ERR_NOTONCHANNEL_MSG,
324 Client_ID(Origin), Name);
329 if(Client_Type(Peer) == CLIENT_USER) {
330 /* Channel mode 'Q' and user mode 'q' on target: nobody but
331 * IRC Operators and servers can kick the target user */
332 if ((strchr(Channel_Modes(chan), 'Q')
333 || Client_HasMode(Target, 'q')
334 || Client_Type(Target) == CLIENT_SERVICE)
335 && !Client_HasMode(Origin, 'o')) {
336 IRC_WriteStrClient(Origin, ERR_KICKDENY_MSG,
337 Client_ID(Origin), Name,
342 /* Check if client has the rights to kick target */
343 ptr = Channel_UserModes(chan, Peer);
344 target_modes = Channel_UserModes(chan, Target);
346 /* Owner can kick everyone */
351 /* Admin can't kick owner */
353 if (!strchr(target_modes, 'q')) {
358 /* Op can't kick owner | admin */
360 if (!strchr(target_modes, 'q') &&
361 !strchr(target_modes, 'a')) {
366 /* Half Op can't kick owner | admin | op */
368 if (!strchr(target_modes, 'q') &&
369 !strchr(target_modes, 'a') &&
370 !strchr(target_modes, 'o')) {
379 IRC_WriteStrClient(Origin, ERR_CHANOPPRIVTOOLOW_MSG,
380 Client_ID(Origin), Name);
385 /* Check that the client to be kicked is on the specified channel */
386 if (!Channel_IsMemberOf(chan, Target)) {
387 IRC_WriteStrClient(Origin, ERR_USERNOTINCHANNEL_MSG,
388 Client_ID(Origin), Client_ID(Target), Name );
392 /* Kick Client from channel */
393 Remove_Client( REMOVE_KICK, chan, Target, Origin, Reason, true);
398 Channel_Quit( CLIENT *Client, const char *Reason )
402 assert( Client != NULL );
403 assert( Reason != NULL );
405 if (Conf_MorePrivacy)
408 IRC_WriteStrRelatedPrefix( Client, Client, false, "QUIT :%s", Reason );
414 Remove_Client( REMOVE_QUIT, c, Client, Client, Reason, false );
421 * Get number of channels this server knows and that are "visible" to
422 * the given client. If no client is given, all channels will be counted.
424 * @param Client The client to check or NULL.
425 * @return Number of channels visible to the client.
428 Channel_CountVisible (CLIENT *Client)
431 unsigned long count = 0;
436 if (!strchr(Channel_Modes(c), 's')
437 || Channel_IsMemberOf(c, Client))
448 Channel_MemberCount( CHANNEL *Chan )
451 unsigned long count = 0;
453 assert( Chan != NULL );
455 cl2chan = My_Cl2Chan;
458 if( cl2chan->channel == Chan ) count++;
459 cl2chan = cl2chan->next;
462 } /* Channel_MemberCount */
466 Channel_CountForUser( CLIENT *Client )
468 /* Count number of channels a user is member of. */
473 assert( Client != NULL );
475 cl2chan = My_Cl2Chan;
478 if( cl2chan->client == Client ) count++;
479 cl2chan = cl2chan->next;
483 } /* Channel_CountForUser */
487 Channel_Name( const CHANNEL *Chan )
489 assert( Chan != NULL );
495 Channel_Modes( CHANNEL *Chan )
497 assert( Chan != NULL );
499 } /* Channel_Modes */
503 Channel_Key( CHANNEL *Chan )
505 assert( Chan != NULL );
511 Channel_MaxUsers( CHANNEL *Chan )
513 assert( Chan != NULL );
514 return Chan->maxusers;
515 } /* Channel_MaxUsers */
519 Channel_First( void )
522 } /* Channel_First */
526 Channel_Next( CHANNEL *Chan )
528 assert( Chan != NULL );
534 Channel_Search( const char *Name )
536 /* Search channel structure */
541 assert( Name != NULL );
543 search_hash = Hash( Name );
547 if( search_hash == c->hash )
550 if( strcasecmp( Name, c->name ) == 0 ) return c;
555 } /* Channel_Search */
559 Channel_FirstMember( CHANNEL *Chan )
561 assert( Chan != NULL );
562 return Get_First_Cl2Chan( NULL, Chan );
563 } /* Channel_FirstMember */
567 Channel_NextMember( CHANNEL *Chan, CL2CHAN *Cl2Chan )
569 assert( Chan != NULL );
570 assert( Cl2Chan != NULL );
571 return Get_Next_Cl2Chan( Cl2Chan->next, NULL, Chan );
572 } /* Channel_NextMember */
576 Channel_FirstChannelOf( CLIENT *Client )
578 assert( Client != NULL );
579 return Get_First_Cl2Chan( Client, NULL );
580 } /* Channel_FirstChannelOf */
584 Channel_NextChannelOf( CLIENT *Client, CL2CHAN *Cl2Chan )
586 assert( Client != NULL );
587 assert( Cl2Chan != NULL );
588 return Get_Next_Cl2Chan( Cl2Chan->next, Client, NULL );
589 } /* Channel_NextChannelOf */
593 Channel_GetClient( CL2CHAN *Cl2Chan )
595 assert( Cl2Chan != NULL );
596 return Cl2Chan->client;
597 } /* Channel_GetClient */
601 Channel_GetChannel( CL2CHAN *Cl2Chan )
603 assert( Cl2Chan != NULL );
604 return Cl2Chan->channel;
605 } /* Channel_GetChannel */
609 Channel_IsValidName( const char *Name )
611 assert( Name != NULL );
614 if (strlen(Name) <= 1)
617 if (strchr("#&+", Name[0]) == NULL)
619 if (strlen(Name) >= CHANNEL_NAME_LEN)
622 return Name[strcspn(Name, " ,:\007")] == 0;
623 } /* Channel_IsValidName */
627 Channel_ModeAdd( CHANNEL *Chan, char Mode )
630 * If the channel already had this mode, return false.
631 * If the channel mode was newly set return true.
636 assert( Chan != NULL );
638 x[0] = Mode; x[1] = '\0';
639 if( ! strchr( Chan->modes, x[0] ))
641 /* Channel does not have this mode yet, set it */
642 strlcat( Chan->modes, x, sizeof( Chan->modes ));
646 } /* Channel_ModeAdd */
650 Channel_ModeDel( CHANNEL *Chan, char Mode )
653 * if the mode was removed return true.
654 * if the channel did not have the mode, return false.
658 assert( Chan != NULL );
660 p = strchr( Chan->modes, Mode );
661 if( ! p ) return false;
663 /* Channel has mode -> delete */
670 } /* Channel_ModeDel */
674 Channel_UserModeAdd( CHANNEL *Chan, CLIENT *Client, char Mode )
676 /* Set Channel-User-Mode.
677 * if mode was newly set, return true.
678 * if the User already had this channel-mode, return false.
684 assert( Chan != NULL );
685 assert( Client != NULL );
687 cl2chan = Get_Cl2Chan( Chan, Client );
688 assert( cl2chan != NULL );
690 x[0] = Mode; x[1] = '\0';
691 if( ! strchr( cl2chan->modes, x[0] ))
693 /* mode not set, -> set it */
694 strlcat( cl2chan->modes, x, sizeof( cl2chan->modes ));
698 } /* Channel_UserModeAdd */
702 Channel_UserModeDel( CHANNEL *Chan, CLIENT *Client, char Mode )
704 /* Delete Channel-User-Mode.
705 * If Mode was removed, return true.
706 * If User did not have the Channel-Mode, return false.
712 assert( Chan != NULL );
713 assert( Client != NULL );
715 cl2chan = Get_Cl2Chan( Chan, Client );
716 assert( cl2chan != NULL );
718 p = strchr( cl2chan->modes, Mode );
719 if( ! p ) return false;
721 /* Client has Mode -> delete */
728 } /* Channel_UserModeDel */
732 Channel_UserModes( CHANNEL *Chan, CLIENT *Client )
734 /* return Users' Channel-Modes */
738 assert( Chan != NULL );
739 assert( Client != NULL );
741 cl2chan = Get_Cl2Chan( Chan, Client );
742 assert( cl2chan != NULL );
744 return cl2chan->modes;
745 } /* Channel_UserModes */
749 Channel_IsMemberOf( CHANNEL *Chan, CLIENT *Client )
751 /* Test if Client is on Channel Chan */
753 assert( Chan != NULL );
754 assert( Client != NULL );
755 return Get_Cl2Chan(Chan, Client) != NULL;
756 } /* Channel_IsMemberOf */
760 Channel_Topic( CHANNEL *Chan )
763 assert( Chan != NULL );
764 ret = array_start(&Chan->topic);
765 return ret ? ret : "";
766 } /* Channel_Topic */
772 Channel_TopicTime(CHANNEL *Chan)
774 assert(Chan != NULL);
775 return (unsigned int) Chan->topic_time;
776 } /* Channel_TopicTime */
780 Channel_TopicWho(CHANNEL *Chan)
782 assert(Chan != NULL);
783 return Chan->topic_who;
784 } /* Channel_TopicWho */
788 Channel_CreationTime(CHANNEL *Chan)
790 assert(Chan != NULL);
791 return (unsigned int) Chan->creation_time;
792 } /* Channel_CreationTime */
798 Channel_SetTopic(CHANNEL *Chan, CLIENT *Client, const char *Topic)
801 assert( Chan != NULL );
802 assert( Topic != NULL );
805 if (len < array_bytes(&Chan->topic))
806 array_free(&Chan->topic);
808 if (len >= COMMAND_LEN || !array_copyb(&Chan->topic, Topic, len+1))
809 Log(LOG_WARNING, "could not set new Topic \"%s\" on %s: %s",
810 Topic, Chan->name, strerror(errno));
812 Chan->topic_time = time(NULL);
813 if (Client != NULL && Client_Type(Client) != CLIENT_SERVER)
814 strlcpy(Chan->topic_who, Client_ID(Client),
815 sizeof Chan->topic_who);
817 strlcpy(Chan->topic_who, DEFAULT_TOPIC_ID,
818 sizeof Chan->topic_who);
822 } /* Channel_SetTopic */
826 Channel_SetModes( CHANNEL *Chan, const char *Modes )
828 assert( Chan != NULL );
829 assert( Modes != NULL );
831 strlcpy( Chan->modes, Modes, sizeof( Chan->modes ));
832 } /* Channel_SetModes */
836 Channel_SetKey( CHANNEL *Chan, const char *Key )
838 assert( Chan != NULL );
839 assert( Key != NULL );
841 strlcpy( Chan->key, Key, sizeof( Chan->key ));
842 LogDebug("Channel %s: Key is now \"%s\".", Chan->name, Chan->key );
843 } /* Channel_SetKey */
847 Channel_SetMaxUsers(CHANNEL *Chan, unsigned long Count)
849 assert( Chan != NULL );
851 Chan->maxusers = Count;
852 LogDebug("Channel %s: Member limit is now %lu.", Chan->name, Chan->maxusers );
853 } /* Channel_SetMaxUsers */
857 * Check if a client is allowed to send to a specific channel.
859 * @param Chan The channel to check.
860 * @param From The client that wants to send.
861 * @return true if the client is allowed to send, false otherwise.
864 Can_Send_To_Channel(CHANNEL *Chan, CLIENT *From)
866 bool is_member, has_voice, is_halfop, is_op, is_chanadmin, is_owner;
868 is_member = has_voice = is_halfop = is_op = is_chanadmin = is_owner = false;
870 /* The server itself always can send messages :-) */
871 if (Client_ThisServer() == From)
874 if (Channel_IsMemberOf(Chan, From)) {
876 if (strchr(Channel_UserModes(Chan, From), 'v'))
878 if (strchr(Channel_UserModes(Chan, From), 'h'))
880 if (strchr(Channel_UserModes(Chan, From), 'o'))
882 if (strchr(Channel_UserModes(Chan, From), 'a'))
884 if (strchr(Channel_UserModes(Chan, From), 'q'))
889 * Is the client allowed to write to channel?
891 * If channel mode n set: non-members cannot send to channel.
892 * If channel mode m set: need voice.
894 if (strchr(Channel_Modes(Chan), 'n') && !is_member)
897 if (strchr(Channel_Modes(Chan), 'M') && !Client_HasMode(From, 'R')
898 && !Client_HasMode(From, 'o'))
901 if (has_voice || is_halfop || is_op || is_chanadmin || is_owner)
904 if (strchr(Channel_Modes(Chan), 'm'))
907 if (Lists_Check(&Chan->list_excepts, From))
910 return !Lists_Check(&Chan->list_bans, From);
915 Channel_Write(CHANNEL *Chan, CLIENT *From, CLIENT *Client, const char *Command,
916 bool SendErrors, const char *Text)
918 if (!Can_Send_To_Channel(Chan, From)) {
920 return CONNECTED; /* no error, see RFC 2812 */
921 if (strchr(Channel_Modes(Chan), 'M'))
922 return IRC_WriteStrClient(From, ERR_NEEDREGGEDNICK_MSG,
923 Client_ID(From), Channel_Name(Chan));
925 return IRC_WriteStrClient(From, ERR_CANNOTSENDTOCHAN_MSG,
926 Client_ID(From), Channel_Name(Chan));
929 if (Client_Conn(From) > NONE)
930 Conn_UpdateIdle(Client_Conn(From));
932 return IRC_WriteStrChannelPrefix(Client, Chan, From, true,
933 "%s %s :%s", Command, Channel_Name(Chan), Text);
938 Channel_Create( const char *Name )
940 /* Create new CHANNEL structure and add it to linked list */
943 assert( Name != NULL );
945 c = (CHANNEL *)malloc( sizeof( CHANNEL ));
948 Log( LOG_EMERG, "Can't allocate memory! [New_Chan]" );
951 memset( c, 0, sizeof( CHANNEL ));
952 strlcpy( c->name, Name, sizeof( c->name ));
953 c->hash = Hash( c->name );
954 c->next = My_Channels;
956 c->creation_time = time(NULL);
959 LogDebug("Created new channel structure for \"%s\".", Name);
961 } /* Channel_Create */
965 Get_Cl2Chan( CHANNEL *Chan, CLIENT *Client )
969 assert( Chan != NULL );
970 assert( Client != NULL );
972 cl2chan = My_Cl2Chan;
975 if(( cl2chan->channel == Chan ) && ( cl2chan->client == Client )) return cl2chan;
976 cl2chan = cl2chan->next;
983 Add_Client( CHANNEL *Chan, CLIENT *Client )
987 assert( Chan != NULL );
988 assert( Client != NULL );
990 /* Create new CL2CHAN structure */
991 cl2chan = (CL2CHAN *)malloc( sizeof( CL2CHAN ));
994 Log( LOG_EMERG, "Can't allocate memory! [Add_Client]" );
997 cl2chan->channel = Chan;
998 cl2chan->client = Client;
999 strcpy( cl2chan->modes, "" );
1002 cl2chan->next = My_Cl2Chan;
1003 My_Cl2Chan = cl2chan;
1005 LogDebug("User \"%s\" joined channel \"%s\".", Client_Mask(Client), Chan->name);
1012 Remove_Client( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, const char *Reason, bool InformServer )
1014 CL2CHAN *cl2chan, *last_cl2chan;
1017 assert( Chan != NULL );
1018 assert( Client != NULL );
1019 assert( Origin != NULL );
1020 assert( Reason != NULL );
1022 /* Do not inform other servers if the channel is local to this server,
1023 * regardless of what the caller requested! */
1025 InformServer = !Channel_IsLocal(Chan);
1027 last_cl2chan = NULL;
1028 cl2chan = My_Cl2Chan;
1031 if(( cl2chan->channel == Chan ) && ( cl2chan->client == Client )) break;
1032 last_cl2chan = cl2chan;
1033 cl2chan = cl2chan->next;
1035 if( ! cl2chan ) return false;
1037 c = cl2chan->channel;
1038 assert( c != NULL );
1040 /* maintain cl2chan list */
1041 if( last_cl2chan ) last_cl2chan->next = cl2chan->next;
1042 else My_Cl2Chan = cl2chan->next;
1048 /* QUIT: other servers have already been notified,
1049 * see Client_Destroy(); so only inform other clients
1050 * in same channel. */
1051 assert( InformServer == false );
1052 LogDebug("User \"%s\" left channel \"%s\" (%s).",
1053 Client_Mask( Client ), c->name, Reason );
1056 /* User was KICKed: inform other servers (public
1057 * channels) and all users in the channel */
1059 IRC_WriteStrServersPrefix( Client_NextHop( Origin ),
1060 Origin, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason);
1061 IRC_WriteStrChannelPrefix(Client, c, Origin, false, "KICK %s %s :%s",
1062 c->name, Client_ID( Client ), Reason );
1063 if ((Client_Conn(Client) > NONE) &&
1064 (Client_Type(Client) == CLIENT_USER))
1066 IRC_WriteStrClientPrefix(Client, Origin, "KICK %s %s :%s",
1067 c->name, Client_ID( Client ), Reason);
1069 LogDebug("User \"%s\" has been kicked off \"%s\" by \"%s\": %s.",
1070 Client_Mask( Client ), c->name, Client_ID(Origin), Reason);
1073 if (Conf_MorePrivacy)
1077 IRC_WriteStrServersPrefix(Origin, Client, "PART %s :%s", c->name, Reason);
1079 IRC_WriteStrChannelPrefix(Origin, c, Client, false, "PART %s :%s",
1082 if ((Client_Conn(Origin) > NONE) &&
1083 (Client_Type(Origin) == CLIENT_USER))
1085 IRC_WriteStrClientPrefix( Origin, Client, "PART %s :%s", c->name, Reason);
1086 LogDebug("User \"%s\" left channel \"%s\" (%s).",
1087 Client_Mask(Client), c->name, Reason);
1091 /* When channel is empty and is not pre-defined, delete */
1092 if( ! strchr( Channel_Modes( Chan ), 'P' ))
1094 if( ! Get_First_Cl2Chan( NULL, Chan )) Delete_Channel( Chan );
1098 } /* Remove_Client */
1102 Channel_AddBan(CHANNEL *c, const char *mask )
1104 struct list_head *h = Channel_GetListBans(c);
1105 LogDebug("Adding \"%s\" to \"%s\" ban list", mask, Channel_Name(c));
1106 return Lists_Add(h, mask, false, NULL);
1111 Channel_AddExcept(CHANNEL *c, const char *mask )
1113 struct list_head *h = Channel_GetListExcepts(c);
1114 LogDebug("Adding \"%s\" to \"%s\" exception list", mask, Channel_Name(c));
1115 return Lists_Add(h, mask, false, NULL);
1120 Channel_AddInvite(CHANNEL *c, const char *mask, bool onlyonce)
1122 struct list_head *h = Channel_GetListInvites(c);
1123 LogDebug("Adding \"%s\" to \"%s\" invite list", mask, Channel_Name(c));
1124 return Lists_Add(h, mask, onlyonce, NULL);
1129 ShowChannelList(struct list_head *head, CLIENT *Client, CHANNEL *Channel,
1130 char *msg, char *msg_end)
1132 struct list_elem *e;
1134 assert (Client != NULL);
1135 assert (Channel != NULL);
1137 e = Lists_GetFirst(head);
1139 if (!IRC_WriteStrClient(Client, msg, Client_ID(Client),
1140 Channel_Name(Channel),
1142 return DISCONNECTED;
1143 e = Lists_GetNext(e);
1146 return IRC_WriteStrClient(Client, msg_end, Client_ID(Client),
1147 Channel_Name(Channel));
1152 Channel_ShowBans( CLIENT *Client, CHANNEL *Channel )
1154 struct list_head *h;
1156 assert( Channel != NULL );
1158 h = Channel_GetListBans(Channel);
1159 return ShowChannelList(h, Client, Channel, RPL_BANLIST_MSG,
1160 RPL_ENDOFBANLIST_MSG);
1165 Channel_ShowExcepts( CLIENT *Client, CHANNEL *Channel )
1167 struct list_head *h;
1169 assert( Channel != NULL );
1171 h = Channel_GetListExcepts(Channel);
1172 return ShowChannelList(h, Client, Channel, RPL_EXCEPTLIST_MSG,
1173 RPL_ENDOFEXCEPTLIST_MSG);
1178 Channel_ShowInvites( CLIENT *Client, CHANNEL *Channel )
1180 struct list_head *h;
1182 assert( Channel != NULL );
1184 h = Channel_GetListInvites(Channel);
1185 return ShowChannelList(h, Client, Channel, RPL_INVITELIST_MSG,
1186 RPL_ENDOFINVITELIST_MSG);
1191 * Log a message to the local &SERVER channel, if it exists.
1194 Channel_LogServer(const char *msg)
1199 assert(msg != NULL);
1201 sc = Channel_Search("&SERVER");
1205 c = Client_ThisServer();
1206 Channel_Write(sc, c, c, "PRIVMSG", false, msg);
1207 } /* Channel_LogServer */
1211 Channel_CheckKey(CHANNEL *Chan, CLIENT *Client, const char *Key)
1213 char *file_name, line[COMMAND_LEN], *nick, *pass;
1216 assert(Chan != NULL);
1217 assert(Client != NULL);
1218 assert(Key != NULL);
1220 if (!strchr(Chan->modes, 'k'))
1224 if (strcmp(Chan->key, Key) == 0)
1227 file_name = array_start(&Chan->keyfile);
1230 fd = fopen(file_name, "r");
1232 Log(LOG_ERR, "Can't open channel key file \"%s\" for %s: %s",
1233 file_name, Chan->name, strerror(errno));
1237 while (fgets(line, (int)sizeof(line), fd) != NULL) {
1239 if (! (nick = strchr(line, ':')))
1242 if (!Match(line, Client_User(Client)))
1244 if (! (pass = strchr(nick, ':')))
1247 if (!Match(nick, Client_ID(Client)))
1249 if (strcmp(Key, pass) != 0)
1257 } /* Channel_CheckKey */
1261 Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan )
1263 return Get_Next_Cl2Chan( My_Cl2Chan, Client, Chan );
1264 } /* Get_First_Cl2Chan */
1268 Get_Next_Cl2Chan( CL2CHAN *Start, CLIENT *Client, CHANNEL *Channel )
1272 assert( Client != NULL || Channel != NULL );
1277 if(( Client ) && ( cl2chan->client == Client )) return cl2chan;
1278 if(( Channel ) && ( cl2chan->channel == Channel )) return cl2chan;
1279 cl2chan = cl2chan->next;
1282 } /* Get_Next_Cl2Chan */
1286 * Remove a channel and free all of its data structures.
1289 Delete_Channel(CHANNEL *Chan)
1291 CHANNEL *chan, *last_chan;
1302 assert(chan != NULL);
1306 /* maintain channel list */
1308 last_chan->next = chan->next;
1310 My_Channels = chan->next;
1312 LogDebug("Freed channel structure for \"%s\".", Chan->name);
1314 } /* Delete_Channel */
1318 Set_KeyFile(CHANNEL *Chan, const char *KeyFile)
1322 assert(Chan != NULL);
1323 assert(KeyFile != NULL);
1325 len = strlen(KeyFile);
1326 if (len < array_bytes(&Chan->keyfile)) {
1327 Log(LOG_INFO, "Channel key file of %s removed.", Chan->name);
1328 array_free(&Chan->keyfile);
1334 if (!array_copyb(&Chan->keyfile, KeyFile, len+1))
1336 "Could not set new channel key file \"%s\" for %s: %s",
1337 KeyFile, Chan->name, strerror(errno));
1339 Log(LOG_INFO|LOG_snotice,
1340 "New local channel key file \"%s\" for %s activated.",
1341 KeyFile, Chan->name);