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.
28 #include "conn-func.h"
41 #include "irc-write.h"
42 #include "client-cap.h"
49 IRC_ADMIN(CLIENT *Client, REQUEST *Req )
51 CLIENT *target, *prefix;
53 assert( Client != NULL );
54 assert( Req != NULL );
56 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
59 if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
60 else target = Client_ThisServer( );
63 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
65 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
67 /* forwad message to another server? */
68 if( target != Client_ThisServer( ))
70 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
73 IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
77 /* mit Versionsinfo antworten */
78 if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
79 if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
80 if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
81 if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
83 IRC_SetPenalty( Client, 1 );
89 * Handler for the IRC command "INFO".
90 * See RFC 2812 section 3.4.10.
93 IRC_INFO(CLIENT * Client, REQUEST * Req)
95 CLIENT *target, *prefix;
98 assert(Client != NULL);
101 /* Wrong number of parameters? */
103 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
104 Client_ID(Client), Req->command);
106 /* Determine prefix */
107 if (Client_Type(Client) == CLIENT_SERVER)
108 prefix = Client_Search(Req->prefix);
112 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
113 Client_ID(Client), Req->prefix);
115 /* Look for a target */
117 target = Client_Search(Req->argv[0]);
119 target = Client_ThisServer();
121 /* Make sure that the target is a server */
122 if (target && Client_Type(target) != CLIENT_SERVER)
123 target = Client_Introducer(target);
126 return IRC_WriteStrClient(prefix, ERR_NOSUCHSERVER_MSG,
127 Client_ID(prefix), Req->argv[0]);
129 /* Pass on to another server? */
130 if (target != Client_ThisServer()) {
131 IRC_WriteStrClientPrefix(target, prefix, "INFO %s",
136 if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix),
140 #if defined(__DATE__) && defined(__TIME__)
141 snprintf(msg, sizeof(msg), "Birth Date: %s at %s", __DATE__, __TIME__);
142 if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix), msg))
146 strlcpy(msg, "On-line since ", sizeof(msg));
147 strlcat(msg, NGIRCd_StartStr, sizeof(msg));
148 if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix), msg))
151 if (!IRC_WriteStrClient(Client, RPL_ENDOFINFO_MSG, Client_ID(prefix)))
154 IRC_SetPenalty(Client, 2);
160 * Handler for the IRC "ISON" command.
162 * See RFC 2812, 4.9 "Ison message".
164 * @param Client The client from which this command has been received.
165 * @param Req Request structure with prefix and all parameters.
166 * @return CONNECTED or DISCONNECTED.
169 IRC_ISON( CLIENT *Client, REQUEST *Req )
171 char rpl[COMMAND_LEN];
176 assert(Client != NULL);
179 /* Bad number of arguments? */
181 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
182 Client_ID(Client), Req->command);
184 strlcpy(rpl, RPL_ISON_MSG, sizeof rpl);
185 for (i = 0; i < Req->argc; i++) {
186 /* "All" ircd even parse ":<x> <y> ..." arguments and split
187 * them up; so we do the same ... */
188 ptr = strtok(Req->argv[i], " ");
191 c = Client_Search(ptr);
192 if (c && Client_Type(c) == CLIENT_USER) {
193 strlcat(rpl, Client_ID(c), sizeof(rpl));
194 strlcat(rpl, " ", sizeof(rpl));
196 ptr = strtok(NULL, " ");
199 ngt_TrimLastChr(rpl, ' ');
201 return IRC_WriteStrClient(Client, rpl, Client_ID(Client));
206 * Handler for the IRC "LINKS" command.
208 * See RFC 2812, 3.4.5 "Links message".
210 * @param Client The client from which this command has been received.
211 * @param Req Request structure with prefix and all parameters.
212 * @return CONNECTED or DISCONNECTED.
215 IRC_LINKS(CLIENT *Client, REQUEST *Req)
217 CLIENT *target, *from, *c;
220 assert(Client != NULL);
223 IRC_SetPenalty(Client, 1);
226 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
227 Client_ID(Client), Req->command);
229 /* Get pointer to server mask or "*", if none given */
231 mask = Req->argv[Req->argc - 1];
235 if (Client_Type(Client) == CLIENT_SERVER)
236 from = Client_Search(Req->prefix);
240 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
241 Client_ID(Client), Req->prefix);
244 if (Req->argc == 2) {
245 target = Client_Search(Req->argv[0]);
246 if (! target || Client_Type(target) != CLIENT_SERVER)
247 return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
251 if (target != Client_ThisServer())
252 return IRC_WriteStrClientPrefix(target, from,
253 "LINKS %s %s", Req->argv[0],
259 if (Client_Type(c) == CLIENT_SERVER
260 && MatchCaseInsensitive(mask, Client_ID(c))) {
261 if (!IRC_WriteStrClient(from, RPL_LINKS_MSG,
262 Client_ID(from), Client_ID(c),
263 Client_ID(Client_TopServer(c)
264 ? Client_TopServer(c)
265 : Client_ThisServer()),
266 Client_Hops(c), Client_Info(c)))
271 return IRC_WriteStrClient(from, RPL_ENDOFLINKS_MSG,
272 Client_ID(from), mask);
277 IRC_LUSERS( CLIENT *Client, REQUEST *Req )
279 CLIENT *target, *from;
281 assert( Client != NULL );
282 assert( Req != NULL );
284 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
286 /* Absender ermitteln */
287 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
289 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
291 /* An anderen Server forwarden? */
294 target = Client_Search( Req->argv[1] );
295 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
296 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
299 /* Wer ist der Absender? */
300 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
301 else target = Client;
302 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
304 IRC_Send_LUSERS( target );
306 IRC_SetPenalty( target, 1 );
312 * Handler for the IRC command "SERVLIST".
313 * List registered services, see RFC 2811, section 3.5.1: the syntax is
314 * "SERVLIST [<mask> [<type>]]".
317 IRC_SERVLIST(CLIENT *Client, REQUEST *Req)
321 assert(Client != NULL);
325 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
326 Client_ID(Client), Req->command);
328 if (Req->argc < 2 || strcmp(Req->argv[1], "0") == 0) {
329 for (c = Client_First(); c!= NULL; c = Client_Next(c)) {
330 if (Client_Type(c) != CLIENT_SERVICE)
332 if (Req->argc > 0 && !MatchCaseInsensitive(Req->argv[0],
335 if (!IRC_WriteStrClient(Client, RPL_SERVLIST_MSG,
336 Client_ID(Client), Client_Mask(c),
337 Client_Mask(Client_Introducer(c)), "*",
338 0, Client_Hops(c), Client_Info(c)))
343 return IRC_WriteStrClient(Client, RPL_SERVLISTEND_MSG, Client_ID(Client),
344 Req->argc > 0 ? Req->argv[0] : "*",
345 Req->argc > 1 ? Req->argv[1] : "0");
350 IRC_MOTD( CLIENT *Client, REQUEST *Req )
352 CLIENT *from, *target;
354 assert( Client != NULL );
355 assert( Req != NULL );
357 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
359 /* From aus Prefix ermitteln */
360 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
362 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
367 target = Client_Search( Req->argv[0] );
368 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
370 if( target != Client_ThisServer( ))
372 /* Ok, anderer Server ist das Ziel: forwarden */
373 return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
377 IRC_SetPenalty( from, 3 );
378 return IRC_Show_MOTD( from );
383 IRC_NAMES( CLIENT *Client, REQUEST *Req )
385 char rpl[COMMAND_LEN], *ptr;
386 CLIENT *target, *from, *c;
389 assert( Client != NULL );
390 assert( Req != NULL );
392 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
394 /* use prefix to determine "From" */
395 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
397 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
401 /* forward to another server? */
402 target = Client_Search( Req->argv[1] );
403 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
405 if( target != Client_ThisServer( )) {
406 /* target is another server, forward */
407 return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
413 /* bestimmte Channels durchgehen */
414 ptr = strtok( Req->argv[0], "," );
417 chan = Channel_Search( ptr );
421 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
423 if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
425 /* get next channel name */
426 ptr = strtok( NULL, "," );
431 chan = Channel_First( );
434 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
436 chan = Channel_Next( chan );
439 /* Now print all clients which are not in any channel */
441 snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
444 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
446 /* its a user, concatenate ... */
447 if( rpl[strlen( rpl ) - 1] != ':' ) strlcat( rpl, " ", sizeof( rpl ));
448 strlcat( rpl, Client_ID( c ), sizeof( rpl ));
450 if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
452 /* Line is gwoing too long, send now */
453 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
454 snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
458 c = Client_Next( c );
460 if( rpl[strlen( rpl ) - 1] != ':')
462 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
465 IRC_SetPenalty( from, 1 );
466 return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
471 t_diff(time_t *t, const time_t d)
479 return (unsigned int)diff;
484 uptime_days(time_t *now)
486 return t_diff(now, 60 * 60 * 24);
491 uptime_hrs(time_t *now)
493 return t_diff(now, 60 * 60);
498 uptime_mins(time_t *now)
500 return t_diff(now, 60);
505 * Handler for the IRC command "STATS".
506 * See RFC 2812 section 3.4.4.
509 IRC_STATS( CLIENT *Client, REQUEST *Req )
511 CLIENT *from, *target, *cl;
516 unsigned int days, hrs, mins;
517 struct list_head *list;
518 struct list_elem *list_item;
520 assert(Client != NULL);
524 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
525 Client_ID(Client), Req->command);
527 /* use prefix to determine "From" */
528 if (Client_Type(Client) == CLIENT_SERVER)
529 from = Client_Search(Req->prefix);
534 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
535 Client_ID(Client), Req->prefix);
537 if (Req->argc == 2) {
538 /* forward to another server? */
539 target = Client_Search(Req->argv[1]);
540 if ((!target) || (Client_Type(target) != CLIENT_SERVER))
541 return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
542 Client_ID(from), Req->argv[1]);
544 if (target != Client_ThisServer()) {
545 /* forward to another server */
546 return IRC_WriteStrClientPrefix(target, from,
547 "STATS %s %s", Req->argv[0], Req->argv[1]);
552 query = Req->argv[0][0] ? Req->argv[0][0] : '*';
557 case 'g': /* Network-wide bans ("G-Lines") */
559 case 'k': /* Server-local bans ("K-Lines") */
561 if (!Client_HasMode(from, 'o'))
562 return IRC_WriteStrClient(from, ERR_NOPRIVILEGES_MSG,
564 if (query == 'g' || query == 'G')
565 list = Class_GetList(CLASS_GLINE);
567 list = Class_GetList(CLASS_KLINE);
568 list_item = Lists_GetFirst(list);
570 if (!IRC_WriteStrClient(from, RPL_STATSXLINE_MSG,
571 Client_ID(from), query,
572 Lists_GetMask(list_item),
573 Lists_GetValidity(list_item),
574 Lists_GetReason(list_item)))
576 list_item = Lists_GetNext(list_item);
579 case 'l': /* Link status (servers and own link) */
581 time_now = time(NULL);
582 for (con = Conn_First(); con != NONE; con = Conn_Next(con)) {
583 cl = Conn_GetClient(con);
586 if ((Client_Type(cl) == CLIENT_SERVER)
588 /* Server link or our own connection */
590 if (Conn_Options(con) & CONN_ZIP) {
591 if (!IRC_WriteStrClient
592 (from, RPL_STATSLINKINFOZIP_MSG,
593 Client_ID(from), Client_Mask(cl),
594 Conn_SendQ(con), Conn_SendMsg(con),
600 (long)(time_now - Conn_StartTime(con))))
605 if (!IRC_WriteStrClient
606 (from, RPL_STATSLINKINFO_MSG,
607 Client_ID(from), Client_Mask(cl),
608 Conn_SendQ(con), Conn_SendMsg(con),
609 Conn_SendBytes(con), Conn_RecvMsg(con),
611 (long)(time_now - Conn_StartTime(con))))
616 case 'm': /* IRC command status (usage count) */
618 cmd = Parse_GetCommandStruct();
619 for (; cmd->name; cmd++) {
620 if (cmd->lcount == 0 && cmd->rcount == 0)
622 if (!IRC_WriteStrClient
623 (from, RPL_STATSCOMMANDS_MSG, Client_ID(from),
624 cmd->name, cmd->lcount, cmd->bytes, cmd->rcount))
628 case 'u': /* Server uptime */
630 time_now = time(NULL) - NGIRCd_Start;
631 days = uptime_days(&time_now);
632 hrs = uptime_hrs(&time_now);
633 mins = uptime_mins(&time_now);
634 if (!IRC_WriteStrClient(from, RPL_STATSUPTIME, Client_ID(from),
635 days, hrs, mins, (unsigned int)time_now))
640 IRC_SetPenalty(from, 2);
641 return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG,
642 Client_ID(from), query);
647 * Handler for the IRC command "SUMMON".
648 * See RFC 2812 section 4.5. ngIRCd doesn't implement this functionality and
649 * therefore answers with ERR_SUMMONDISABLED.
652 IRC_SUMMON(CLIENT * Client, UNUSED REQUEST * Req)
654 return IRC_WriteStrClient(Client, ERR_SUMMONDISABLED_MSG,
660 IRC_TIME( CLIENT *Client, REQUEST *Req )
662 CLIENT *from, *target;
666 assert( Client != NULL );
667 assert( Req != NULL );
669 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
671 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
673 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
677 target = Client_Search( Req->argv[0] );
678 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
680 if( target != Client_ThisServer( ))
682 return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
687 (void)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
688 return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
693 * Handler for the IRC command "USERHOST".
694 * See RFC 2812 section 4.8.
697 IRC_USERHOST(CLIENT *Client, REQUEST *Req)
699 char rpl[COMMAND_LEN];
703 assert(Client != NULL);
707 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
708 Client_ID(Client), Req->command);
715 strlcpy(rpl, RPL_USERHOST_MSG, sizeof rpl);
716 for (i = 0; i < max; i++) {
717 c = Client_Search(Req->argv[i]);
718 if (c && (Client_Type(c) == CLIENT_USER)) {
719 /* This Nick is "online" */
720 strlcat(rpl, Client_ID(c), sizeof(rpl));
721 if (Client_HasMode(c, 'o'))
722 strlcat(rpl, "*", sizeof(rpl));
723 strlcat(rpl, "=", sizeof(rpl));
724 if (Client_HasMode(c, 'a'))
725 strlcat(rpl, "-", sizeof(rpl));
727 strlcat(rpl, "+", sizeof(rpl));
728 strlcat(rpl, Client_User(c), sizeof(rpl));
729 strlcat(rpl, "@", sizeof(rpl));
730 strlcat(rpl, Client_HostnameCloaked(c), sizeof(rpl));
731 strlcat(rpl, " ", sizeof(rpl));
734 ngt_TrimLastChr(rpl, ' ');
736 return IRC_WriteStrClient(Client, rpl, Client_ID(Client));
741 * Handler for the IRC command "USERS".
742 * See RFC 2812 section 4.6. As suggested there the command is disabled.
745 IRC_USERS(CLIENT * Client, UNUSED REQUEST * Req)
747 return IRC_WriteStrClient(Client, ERR_USERSDISABLED_MSG,
753 IRC_VERSION( CLIENT *Client, REQUEST *Req )
755 CLIENT *target, *prefix;
757 assert( Client != NULL );
758 assert( Req != NULL );
760 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
763 if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
764 else target = Client_ThisServer( );
766 /* Prefix ermitteln */
767 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
768 else prefix = Client;
769 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
771 /* An anderen Server weiterleiten? */
772 if( target != Client_ThisServer( ))
774 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
777 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
781 /* send version information */
782 IRC_SetPenalty(Client, 1);
783 return IRC_WriteStrClient(Client, RPL_VERSION_MSG, Client_ID(prefix),
784 PACKAGE_NAME, PACKAGE_VERSION,
785 NGIRCd_DebugLevel, Conf_ServerName,
786 NGIRCd_VersionAddition);
791 write_whoreply(CLIENT *Client, CLIENT *c, const char *channelname, const char *flags)
793 return IRC_WriteStrClient(Client, RPL_WHOREPLY_MSG, Client_ID(Client),
794 channelname, Client_User(c),
795 Client_HostnameCloaked(c),
796 Client_ID(Client_Introducer(c)), Client_ID(c),
797 flags, Client_Hops(c), Client_Info(c));
802 who_flags_status(const char *client_modes)
804 if (strchr(client_modes, 'a'))
805 return "G"; /* away */
811 * Return channel user mode prefix(es).
813 * @param Client The client requesting the mode prefixes.
814 * @param chan_user_modes String with channel user modes.
815 * @param str String buffer to which the prefix(es) will be appended.
816 * @param len Size of "str" buffer.
817 * @return Pointer to "str".
820 who_flags_qualifier(CLIENT *Client, const char *chan_user_modes,
821 char *str, size_t len)
823 assert(Client != NULL);
825 if (Client_Cap(Client) & CLIENT_CAP_MULTI_PREFIX) {
826 if (strchr(chan_user_modes, 'q'))
827 strlcat(str, "~", len);
828 if (strchr(chan_user_modes, 'a'))
829 strlcat(str, "&", len);
830 if (strchr(chan_user_modes, 'o'))
831 strlcat(str, "@", len);
832 if (strchr(chan_user_modes, 'h'))
833 strlcat(str, "%", len);
834 if (strchr(chan_user_modes, 'v'))
835 strlcat(str, "+", len);
840 if (strchr(chan_user_modes, 'q'))
841 strlcat(str, "~", len);
842 else if (strchr(chan_user_modes, 'a'))
843 strlcat(str, "&", len);
844 else if (strchr(chan_user_modes, 'o'))
845 strlcat(str, "@", len);
846 else if (strchr(chan_user_modes, 'h'))
847 strlcat(str, "%", len);
848 else if (strchr(chan_user_modes, 'v'))
849 strlcat(str, "+", len);
856 * Send WHO reply for a "channel target" ("WHO #channel").
858 * @param Client Client requesting the information.
859 * @param Chan Channel being requested.
860 * @param OnlyOps Only display IRC operators.
861 * @return CONNECTED or DISCONNECTED.
864 IRC_WHO_Channel(CLIENT *Client, CHANNEL *Chan, bool OnlyOps)
866 bool is_visible, is_member, is_ircop;
868 const char *client_modes;
873 assert( Client != NULL );
874 assert( Chan != NULL );
876 IRC_SetPenalty(Client, 1);
878 is_member = Channel_IsMemberOf(Chan, Client);
880 /* Secret channel? */
881 if (!is_member && strchr(Channel_Modes(Chan), 's'))
882 return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG,
883 Client_ID(Client), Channel_Name(Chan));
885 cl2chan = Channel_FirstMember(Chan);
886 for (; cl2chan ; cl2chan = Channel_NextMember(Chan, cl2chan)) {
887 c = Channel_GetClient(cl2chan);
889 client_modes = Client_Modes(c);
890 is_ircop = strchr(client_modes, 'o') != NULL;
891 if (OnlyOps && !is_ircop)
894 is_visible = strchr(client_modes, 'i') == NULL;
895 if (is_member || is_visible) {
896 strcpy(flags, who_flags_status(client_modes));
898 strlcat(flags, "*", sizeof(flags));
900 who_flags_qualifier(Client, Channel_UserModes(Chan, c),
901 flags, sizeof(flags));
903 if (!write_whoreply(Client, c, Channel_Name(Chan),
910 /* If there are a lot of clients, augment penalty a bit */
911 if (count > MAX_RPL_WHO)
912 IRC_SetPenalty(Client, 1);
914 return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client),
920 * Send WHO reply for a "mask target" ("WHO m*sk").
922 * @param Client Client requesting the information.
923 * @param Mask Mask being requested or NULL for "all" clients.
924 * @param OnlyOps Only display IRC operators.
925 * @return CONNECTED or DISCONNECTED.
928 IRC_WHO_Mask(CLIENT *Client, char *Mask, bool OnlyOps)
933 bool client_match, is_visible;
937 assert (Client != NULL);
942 IRC_SetPenalty(Client, 3);
943 for (c = Client_First(); c != NULL; c = Client_Next(c)) {
944 if (Client_Type(c) != CLIENT_USER)
947 if (OnlyOps && !Client_HasMode(c, 'o'))
951 /* Match pattern against user host/server/name/nick */
952 client_match = MatchCaseInsensitive(Mask,
955 client_match = MatchCaseInsensitive(Mask,
956 Client_ID(Client_Introducer(c)));
958 client_match = MatchCaseInsensitive(Mask,
961 client_match = MatchCaseInsensitive(Mask,
964 continue; /* no match: skip this client */
967 is_visible = !Client_HasMode(c, 'i');
969 /* Target client is invisible, but mask matches exactly? */
970 if (!is_visible && Mask && strcasecmp(Client_ID(c), Mask) == 0)
973 /* Target still invisible, but are both on the same channel? */
975 cl2chan = Channel_FirstChannelOf(Client);
976 while (cl2chan && !is_visible) {
977 chan = Channel_GetChannel(cl2chan);
978 if (Channel_IsMemberOf(chan, c))
980 cl2chan = Channel_NextChannelOf(Client, cl2chan);
984 if (!is_visible) /* target user is not visible */
987 if (IRC_CheckListTooBig(Client, count, MAX_RPL_WHO, "WHO"))
990 strcpy(flags, who_flags_status(Client_Modes(c)));
991 if (strchr(Client_Modes(c), 'o'))
992 strlcat(flags, "*", sizeof(flags));
994 if (!write_whoreply(Client, c, "*", flags))
999 return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client),
1005 * Handler for the IRC "WHO" command.
1007 * See RFC 2812, 3.6.1 "Who query".
1009 * @param Client The client from which this command has been received.
1010 * @param Req Request structure with prefix and all parameters.
1011 * @return CONNECTED or DISCONNECTED.
1014 IRC_WHO(CLIENT *Client, REQUEST *Req)
1019 assert (Client != NULL);
1020 assert (Req != NULL);
1023 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
1024 Client_ID(Client), Req->command);
1028 if (Req->argc == 2) {
1029 if (strcmp(Req->argv[1], "o") == 0)
1033 return IRC_WriteStrClient(Client,
1034 ERR_NEEDMOREPARAMS_MSG,
1040 IRC_SetPenalty(Client, 1);
1041 if (Req->argc >= 1) {
1042 /* Channel or mask given */
1043 chan = Channel_Search(Req->argv[0]);
1045 /* Members of a channel have been requested */
1046 return IRC_WHO_Channel(Client, chan, only_ops);
1048 if (strcmp(Req->argv[0], "0") != 0) {
1049 /* A mask has been given. But please note this RFC
1050 * stupidity: "0" is same as no arguments ... */
1051 return IRC_WHO_Mask(Client, Req->argv[0], only_ops);
1055 /* No channel or (valid) mask given */
1056 IRC_SetPenalty(Client, 2);
1057 return IRC_WHO_Mask(Client, NULL, only_ops);
1062 * Generate WHOIS reply of one actual client.
1064 * @param Client The client from which this command has been received.
1065 * @param from The client requesting the information ("originator").
1066 * @param c The client of which information should be returned.
1067 * @return CONNECTED or DISCONNECTED.
1070 IRC_WHOIS_SendReply(CLIENT *Client, CLIENT *from, CLIENT *c)
1072 char str[LINE_LEN + 1];
1076 assert(Client != NULL);
1077 assert(from != NULL);
1080 /* Nick, user, hostname and client info */
1081 if (!IRC_WriteStrClient(from, RPL_WHOISUSER_MSG, Client_ID(from),
1082 Client_ID(c), Client_User(c),
1083 Client_HostnameCloaked(c), Client_Info(c)))
1084 return DISCONNECTED;
1087 if (!IRC_WriteStrClient(from, RPL_WHOISSERVER_MSG, Client_ID(from),
1088 Client_ID(c), Client_ID(Client_Introducer(c)),
1089 Client_Info(Client_Introducer(c))))
1090 return DISCONNECTED;
1093 snprintf(str, sizeof(str), RPL_WHOISCHANNELS_MSG,
1094 Client_ID(from), Client_ID(c));
1095 cl2chan = Channel_FirstChannelOf(c);
1097 chan = Channel_GetChannel(cl2chan);
1098 assert(chan != NULL);
1101 cl2chan = Channel_NextChannelOf(c, cl2chan);
1103 /* Secret channel? */
1104 if (strchr(Channel_Modes(chan), 's')
1105 && !Channel_IsMemberOf(chan, Client))
1108 /* Local channel and request is not from a user? */
1109 if (Client_Type(Client) == CLIENT_SERVER
1110 && Channel_IsLocal(chan))
1113 /* Concatenate channel names */
1114 if (str[strlen(str) - 1] != ':')
1115 strlcat(str, " ", sizeof(str));
1117 who_flags_qualifier(Client, Channel_UserModes(chan, c),
1119 strlcat(str, Channel_Name(chan), sizeof(str));
1121 if (strlen(str) > (LINE_LEN - CHANNEL_NAME_LEN - 4)) {
1122 /* Line becomes too long: send it! */
1123 if (!IRC_WriteStrClient(Client, "%s", str))
1124 return DISCONNECTED;
1125 snprintf(str, sizeof(str), RPL_WHOISCHANNELS_MSG,
1126 Client_ID(from), Client_ID(c));
1129 if(str[strlen(str) - 1] != ':') {
1130 /* There is data left to send: */
1131 if (!IRC_WriteStrClient(Client, "%s", str))
1132 return DISCONNECTED;
1136 if (Client_HasMode(c, 'o') &&
1137 !IRC_WriteStrClient(from, RPL_WHOISOPERATOR_MSG,
1138 Client_ID(from), Client_ID(c)))
1139 return DISCONNECTED;
1142 if (Client_HasMode(c, 'B') &&
1143 !IRC_WriteStrClient(from, RPL_WHOISBOT_MSG,
1144 Client_ID(from), Client_ID(c)))
1145 return DISCONNECTED;
1147 /* Connected using SSL? */
1148 if (Conn_UsesSSL(Client_Conn(c)) &&
1149 !IRC_WriteStrClient(from, RPL_WHOISSSL_MSG, Client_ID(from),
1151 return DISCONNECTED;
1153 /* Registered nickname? */
1154 if (Client_HasMode(c, 'R') &&
1155 !IRC_WriteStrClient(from, RPL_WHOISREGNICK_MSG,
1156 Client_ID(from), Client_ID(c)))
1157 return DISCONNECTED;
1159 /* Local client and requester is the user itself or an IRC Op? */
1160 if (Client_Conn(c) > NONE &&
1161 (from == c || (!Conf_MorePrivacy && Client_HasMode(from, 'o')))) {
1162 /* Client hostname */
1163 if (!IRC_WriteStrClient(from, RPL_WHOISHOST_MSG,
1164 Client_ID(from), Client_ID(c), Client_Hostname(c),
1165 Conn_GetIPAInfo(Client_Conn(c))))
1166 return DISCONNECTED;
1168 if (!IRC_WriteStrClient(from, RPL_WHOISMODES_MSG,
1169 Client_ID(from), Client_ID(c), Client_Modes(c)))
1170 return DISCONNECTED;
1173 /* Idle and signon time (local clients only!) */
1174 if (!Conf_MorePrivacy && Client_Conn(c) > NONE &&
1175 !IRC_WriteStrClient(from, RPL_WHOISIDLE_MSG,
1176 Client_ID(from), Client_ID(c),
1177 (unsigned long)Conn_GetIdle(Client_Conn(c)),
1178 (unsigned long)Conn_GetSignon(Client_Conn(c))))
1179 return DISCONNECTED;
1182 if (Client_HasMode(c, 'a') &&
1183 !IRC_WriteStrClient(from, RPL_AWAY_MSG,
1184 Client_ID(from), Client_ID(c), Client_Away(c)))
1185 return DISCONNECTED;
1188 } /* IRC_WHOIS_SendReply */
1192 * Handler for the IRC "WHOIS" command.
1194 * See RFC 2812, 3.6.2 "Whois query".
1196 * @param Client The client from which this command has been received.
1197 * @param Req Request structure with prefix and all parameters.
1198 * @return CONNECTED or DISCONNECTED.
1201 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1203 CLIENT *from, *target, *c;
1204 unsigned int match_count = 0, found = 0;
1205 bool has_wildcards, is_remote;
1206 bool got_wildcard = false;
1207 char mask[COMMAND_LEN], *query;
1209 assert( Client != NULL );
1210 assert( Req != NULL );
1212 /* Bad number of parameters? */
1213 if (Req->argc < 1 || Req->argc > 2)
1214 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
1215 Client_ID(Client), Req->command);
1217 /* Search sender of the WHOIS */
1218 if (Client_Type(Client) == CLIENT_SERVER) {
1219 from = Client_Search(Req->prefix);
1221 IRC_SetPenalty(Client, 1);
1225 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
1226 Client_ID(Client), Req->prefix);
1228 /* Get target server for this command */
1229 if (Req->argc > 1) {
1230 /* Search the target server, which can be specified as a
1231 * nickname on that server as well: */
1232 target = Client_Search(Req->argv[0]);
1234 return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
1235 Client_ID(from), Req->argv[0]);
1237 target = Client_ThisServer();
1238 assert(target != NULL);
1240 /* Forward to other server? */
1241 if (Client_NextHop(target) != Client_ThisServer() &&
1242 Client_Type(Client_NextHop(target)) == CLIENT_SERVER)
1243 return IRC_WriteStrClientPrefix(target, from,
1245 Req->argv[0], Req->argv[1]);
1247 is_remote = Client_Conn(from) < 0;
1248 strlcpy(mask, Req->argv[Req->argc - 1], sizeof(mask));
1249 for (query = strtok(ngt_LowerStr(mask), ",");
1251 query = strtok(NULL, ","), found++)
1253 has_wildcards = query[strcspn(query, "*?")] != 0;
1255 * follows ircd 2.10 implementation:
1256 * - handle up to 3 targets
1257 * - no wildcards for remote clients
1258 * - only one wildcard target per local client
1260 * Also, at most MAX_RPL_WHOIS matches are returned.
1262 if (!has_wildcards || is_remote) {
1263 c = Client_Search(query);
1264 if (c && Client_Type(c) == CLIENT_USER) {
1265 if (!IRC_WHOIS_SendReply(Client, from, c))
1266 return DISCONNECTED;
1268 if (!IRC_WriteStrClient(Client,
1272 return DISCONNECTED;
1277 /* we already handled one wildcard query */
1278 if (!IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
1279 Client_ID(Client), query))
1280 return DISCONNECTED;
1283 got_wildcard = true;
1284 IRC_SetPenalty(Client, 3);
1286 for (c = Client_First(); c; c = Client_Next(c)) {
1287 if (IRC_CheckListTooBig(Client, match_count,
1288 MAX_RPL_WHOIS, "WHOIS"))
1291 if (Client_Type(c) != CLIENT_USER)
1293 if (!MatchCaseInsensitive(query, Client_ID(c)))
1295 if (!IRC_WHOIS_SendReply(Client, from, c))
1296 return DISCONNECTED;
1301 if (match_count == 0)
1302 IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
1304 Req->argv[Req->argc - 1]);
1306 return IRC_WriteStrClient(from, RPL_ENDOFWHOIS_MSG,
1307 Client_ID(from), Req->argv[Req->argc - 1]);
1312 WHOWAS_EntryWrite(CLIENT *prefix, WHOWAS *entry)
1316 (void)strftime(t_str, sizeof(t_str), "%a %b %d %H:%M:%S %Y",
1317 localtime(&entry->time));
1319 if (!IRC_WriteStrClient(prefix, RPL_WHOWASUSER_MSG, Client_ID(prefix),
1320 entry->id, entry->user, entry->host, entry->info))
1321 return DISCONNECTED;
1323 return IRC_WriteStrClient(prefix, RPL_WHOISSERVER_MSG, Client_ID(prefix),
1324 entry->id, entry->server, t_str);
1328 * IRC "WHOWAS" function.
1329 * This function implements the IRC command "WHOWHAS". It handles local
1330 * requests and request that should be forwarded to other servers.
1333 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
1335 CLIENT *target, *prefix;
1337 char tok_buf[COMMAND_LEN];
1338 int max, last, count, i, nc;
1341 assert( Client != NULL );
1342 assert( Req != NULL );
1344 /* Do not reveal any info on disconnected users? */
1345 if (Conf_MorePrivacy)
1348 /* Wrong number of parameters? */
1350 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
1351 Client_ID(Client), Req->command);
1353 return IRC_WriteStrClient(Client, ERR_NONICKNAMEGIVEN_MSG, Client_ID(Client));
1357 target = Client_Search(Req->argv[2]);
1359 target = Client_ThisServer();
1362 if (Client_Type(Client) == CLIENT_SERVER)
1363 prefix = Client_Search(Req->prefix);
1368 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
1369 Client_ID(Client), Req->prefix);
1371 /* Forward to other server? */
1372 if (target != Client_ThisServer()) {
1373 if (!target || (Client_Type(target) != CLIENT_SERVER))
1374 return IRC_WriteStrClient(prefix, ERR_NOSUCHSERVER_MSG,
1375 Client_ID(prefix), Req->argv[2]);
1378 IRC_WriteStrClientPrefix( target, prefix, "WHOWAS %s %s %s",
1379 Req->argv[0], Req->argv[1],
1384 whowas = Client_GetWhowas( );
1385 last = Client_GetLastWhowasIndex( );
1389 max = DEF_RPL_WHOWAS;
1390 if (Req->argc > 1) {
1391 max = atoi(Req->argv[1]);
1393 max = MAX_RPL_WHOWAS;
1397 * Break up the nick argument into a list of nicks, if applicable
1398 * Can't modify Req->argv[0] because we need it for RPL_ENDOFWHOWAS_MSG.
1400 strlcpy(tok_buf, Req->argv[0], sizeof(tok_buf));
1401 nick = strtok(tok_buf, ",");
1403 for (i=last, count=0; nick != NULL ; nick = strtok(NULL, ",")) {
1407 if (whowas[i].time > 0 && strcasecmp(nick, whowas[i].id) == 0) {
1408 if (!WHOWAS_EntryWrite(prefix, &whowas[i]))
1409 return DISCONNECTED;
1413 /* previous entry */
1416 /* "underflow", wrap around */
1420 if (nc && count >= max)
1422 } while (i != last);
1424 if (nc == 0 && !IRC_WriteStrClient(prefix, ERR_WASNOSUCHNICK_MSG,
1425 Client_ID(prefix), nick))
1426 return DISCONNECTED;
1428 return IRC_WriteStrClient(prefix, RPL_ENDOFWHOWAS_MSG, Client_ID(prefix), Req->argv[0]);
1433 * Send LUSERS reply to a client.
1435 * @param Client The receipient of the information.
1436 * @return CONNECTED or DISCONNECTED.
1439 IRC_Send_LUSERS(CLIENT *Client)
1446 assert(Client != NULL);
1448 /* Users, services and serevers in the network */
1449 if (!IRC_WriteStrClient(Client, RPL_LUSERCLIENT_MSG, Client_ID(Client),
1450 Client_UserCount(), Client_ServiceCount(),
1451 Client_ServerCount()))
1452 return DISCONNECTED;
1454 /* Number of IRC operators */
1455 cnt = Client_OperCount( );
1457 if (!IRC_WriteStrClient(Client, RPL_LUSEROP_MSG,
1458 Client_ID(Client), cnt))
1459 return DISCONNECTED;
1462 /* Unknown connections */
1463 cnt = Client_UnknownCount( );
1465 if (!IRC_WriteStrClient(Client, RPL_LUSERUNKNOWN_MSG,
1466 Client_ID(Client), cnt))
1467 return DISCONNECTED;
1470 /* Number of created channels */
1471 if (!IRC_WriteStrClient(Client, RPL_LUSERCHANNELS_MSG,
1473 Channel_CountVisible(Client)))
1474 return DISCONNECTED;
1476 /* Number of local users, services and servers */
1477 if (!IRC_WriteStrClient(Client, RPL_LUSERME_MSG, Client_ID(Client),
1478 Client_MyUserCount(), Client_MyServiceCount(),
1479 Client_MyServerCount()))
1480 return DISCONNECTED;
1483 /* Maximum number of local users */
1484 cnt = Client_MyUserCount();
1485 max = Client_MyMaxUserCount();
1486 if (! IRC_WriteStrClient(Client, RPL_LOCALUSERS_MSG, Client_ID(Client),
1487 cnt, max, cnt, max))
1488 return DISCONNECTED;
1489 /* Maximum number of users in the network */
1490 cnt = Client_UserCount();
1491 max = Client_MaxUserCount();
1492 if(! IRC_WriteStrClient(Client, RPL_NETUSERS_MSG, Client_ID(Client),
1493 cnt, max, cnt, max))
1494 return DISCONNECTED;
1495 /* Connection counters */
1496 if (! IRC_WriteStrClient(Client, RPL_STATSCONN_MSG, Client_ID(Client),
1497 Conn_CountMax(), Conn_CountAccepted()))
1498 return DISCONNECTED;
1502 } /* IRC_Send_LUSERS */
1506 Show_MOTD_Start(CLIENT *Client)
1508 return IRC_WriteStrClient(Client, RPL_MOTDSTART_MSG,
1509 Client_ID( Client ), Client_ID( Client_ThisServer( )));
1513 Show_MOTD_Sendline(CLIENT *Client, const char *msg)
1515 return IRC_WriteStrClient(Client, RPL_MOTD_MSG, Client_ID( Client ), msg);
1519 Show_MOTD_End(CLIENT *Client)
1521 if (!IRC_WriteStrClient(Client, RPL_ENDOFMOTD_MSG, Client_ID(Client)))
1522 return DISCONNECTED;
1524 if (*Conf_CloakHost)
1525 return IRC_WriteStrClient(Client, RPL_HOSTHIDDEN_MSG,
1527 Client_Hostname(Client));
1533 static bool Show_MOTD_SSLInfo(CLIENT *Client)
1536 char buf[COMMAND_LEN] = "Connected using Cipher ";
1538 if (!Conn_GetCipherInfo(Client_Conn(Client), buf + 23, sizeof buf - 23))
1541 if (!Show_MOTD_Sendline(Client, buf))
1548 Show_MOTD_SSLInfo(UNUSED CLIENT *c)
1553 IRC_Show_MOTD( CLIENT *Client )
1556 size_t len_tot, len_str;
1558 assert( Client != NULL );
1560 len_tot = array_bytes(&Conf_Motd);
1561 if (len_tot == 0 && !Conn_UsesSSL(Client_Conn(Client)))
1562 return IRC_WriteStrClient(Client, ERR_NOMOTD_MSG, Client_ID(Client));
1564 if (!Show_MOTD_Start(Client))
1565 return DISCONNECTED;
1567 line = array_start(&Conf_Motd);
1568 while (len_tot > 0) {
1569 len_str = strlen(line) + 1;
1571 assert(len_tot >= len_str);
1574 if (!Show_MOTD_Sendline(Client, line))
1575 return DISCONNECTED;
1579 if (!Show_MOTD_SSLInfo(Client))
1580 return DISCONNECTED;
1581 return Show_MOTD_End(Client);
1582 } /* IRC_Show_MOTD */
1586 * Send NAMES reply for a specific client and channel.
1588 * @param Client The client requesting the NAMES information.
1589 * @param Chan The channel
1590 * @return CONNECTED or DISCONNECTED.
1593 IRC_Send_NAMES(CLIENT * Client, CHANNEL * Chan)
1595 bool is_visible, is_member;
1596 char str[LINE_LEN + 1];
1600 assert(Client != NULL);
1601 assert(Chan != NULL);
1603 if (Channel_IsMemberOf(Chan, Client))
1608 /* Do not print info on channel memberships to anyone that is not member? */
1609 if (Conf_MorePrivacy && !is_member)
1612 /* Secret channel? */
1613 if (!is_member && strchr(Channel_Modes(Chan), 's'))
1616 snprintf(str, sizeof(str), RPL_NAMREPLY_MSG, Client_ID(Client), "=",
1617 Channel_Name(Chan));
1618 cl2chan = Channel_FirstMember(Chan);
1620 cl = Channel_GetClient(cl2chan);
1622 if (strchr(Client_Modes(cl), 'i'))
1627 if (is_member || is_visible) {
1628 if (str[strlen(str) - 1] != ':')
1629 strlcat(str, " ", sizeof(str));
1631 who_flags_qualifier(Client, Channel_UserModes(Chan, cl),
1633 strlcat(str, Client_ID(cl), sizeof(str));
1635 if (strlen(str) > (LINE_LEN - CLIENT_NICK_LEN - 4)) {
1636 if (!IRC_WriteStrClient(Client, "%s", str))
1637 return DISCONNECTED;
1638 snprintf(str, sizeof(str), RPL_NAMREPLY_MSG,
1639 Client_ID(Client), "=",
1640 Channel_Name(Chan));
1644 cl2chan = Channel_NextMember(Chan, cl2chan);
1646 if (str[strlen(str) - 1] != ':') {
1647 if (!IRC_WriteStrClient(Client, "%s", str))
1648 return DISCONNECTED;
1652 } /* IRC_Send_NAMES */
1656 * Send the ISUPPORT numeric (005).
1657 * This numeric indicates the features that are supported by this server.
1658 * See <http://www.irc.org/tech_docs/005.html> for details.
1661 IRC_Send_ISUPPORT(CLIENT * Client)
1663 if (!IRC_WriteStrClient(Client, RPL_ISUPPORT1_MSG, Client_ID(Client),
1665 return DISCONNECTED;
1666 return IRC_WriteStrClient(Client, RPL_ISUPPORT2_MSG, Client_ID(Client),
1667 CHANNEL_NAME_LEN - 1, Conf_MaxNickLength - 1,
1668 COMMAND_LEN - 23, CLIENT_AWAY_LEN - 1,
1669 COMMAND_LEN - 113, MAX_HNDL_MODES_ARG,
1670 MAX_HNDL_CHANNEL_LISTS);
1671 } /* IRC_Send_ISUPPORT */