2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2008 Alexander Barton (alex@barton.de)
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.
26 #include "conn-func.h"
38 #include "irc-write.h"
45 IRC_ADMIN(CLIENT *Client, REQUEST *Req )
47 CLIENT *target, *prefix;
49 assert( Client != NULL );
50 assert( Req != NULL );
52 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
55 if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
56 else target = Client_ThisServer( );
59 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
61 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
63 /* forwad message to another server? */
64 if( target != Client_ThisServer( ))
66 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
69 IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
73 /* mit Versionsinfo antworten */
74 if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
75 if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
76 if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
77 if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
79 IRC_SetPenalty( Client, 1 );
85 * Handler for the IRC command "INFO".
86 * See RFC 2812 section 3.4.10.
89 IRC_INFO(CLIENT * Client, REQUEST * Req)
91 CLIENT *target, *prefix;
94 assert(Client != NULL);
97 /* Wrong number of parameters? */
99 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
100 Client_ID(Client), Req->command);
102 /* Determine prefix */
103 if (Client_Type(Client) == CLIENT_SERVER)
104 prefix = Client_Search(Req->prefix);
108 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
109 Client_ID(Client), Req->prefix);
111 /* Look for a target */
113 target = Client_Search(Req->argv[0]);
115 target = Client_ThisServer();
117 /* Make sure that the target is a server */
118 if (target && Client_Type(target) != CLIENT_SERVER)
119 target = Client_Introducer(target);
122 return IRC_WriteStrClient(prefix, ERR_NOSUCHSERVER_MSG,
123 Client_ID(prefix), Req->argv[0]);
125 /* Pass on to another server? */
126 if (target != Client_ThisServer()) {
127 IRC_WriteStrClientPrefix(target, prefix, "INFO %s",
132 if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix),
136 #if defined(__DATE__) && defined(__TIME__)
137 snprintf(msg, sizeof(msg), "Birth Date: %s at %s", __DATE__, __TIME__);
138 if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix), msg))
142 strlcpy(msg, "On-line since ", sizeof(msg));
143 strlcat(msg, NGIRCd_StartStr, sizeof(msg));
144 if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix), msg))
147 if (!IRC_WriteStrClient(Client, RPL_ENDOFINFO_MSG, Client_ID(prefix)))
150 IRC_SetPenalty(Client, 2);
156 IRC_ISON( CLIENT *Client, REQUEST *Req )
158 char rpl[COMMAND_LEN];
163 assert( Client != NULL );
164 assert( Req != NULL );
166 /* Falsche Anzahl Parameter? */
167 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
169 strlcpy( rpl, RPL_ISON_MSG, sizeof rpl );
170 for( i = 0; i < Req->argc; i++ )
172 ptr = strtok( Req->argv[i], " " );
176 c = Client_Search( ptr );
177 if( c && ( Client_Type( c ) == CLIENT_USER ))
179 /* Dieser Nick ist "online" */
180 strlcat( rpl, ptr, sizeof( rpl ));
181 strlcat( rpl, " ", sizeof( rpl ));
183 ptr = strtok( NULL, " " );
186 ngt_TrimLastChr(rpl, ' ');
188 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
193 IRC_LINKS( CLIENT *Client, REQUEST *Req )
195 CLIENT *target, *from, *c;
198 assert( Client != NULL );
199 assert( Req != NULL );
201 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
203 /* Server-Mask ermitteln */
204 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
207 /* Absender ermitteln */
208 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
210 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
212 /* An anderen Server forwarden? */
215 target = Client_Search( Req->argv[0] );
216 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
217 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
220 /* Wer ist der Absender? */
221 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
222 else target = Client;
223 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
228 if( Client_Type( c ) == CLIENT_SERVER )
230 if( ! IRC_WriteStrClient( target, RPL_LINKS_MSG, Client_ID( target ), Client_ID( c ), Client_ID( Client_TopServer( c ) ? Client_TopServer( c ) : Client_ThisServer( )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
232 c = Client_Next( c );
235 IRC_SetPenalty( target, 1 );
236 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
241 IRC_LUSERS( CLIENT *Client, REQUEST *Req )
243 CLIENT *target, *from;
245 assert( Client != NULL );
246 assert( Req != NULL );
248 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
250 /* Absender ermitteln */
251 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
253 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
255 /* An anderen Server forwarden? */
258 target = Client_Search( Req->argv[1] );
259 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
260 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
263 /* Wer ist der Absender? */
264 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
265 else target = Client;
266 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
268 IRC_Send_LUSERS( target );
270 IRC_SetPenalty( target, 1 );
276 * Handler for the IRC command "SERVLIST".
277 * List registered services, see RFC 2811, section 3.5.1: the syntax is
278 * "SERVLIST [<mask> [<type>]]".
281 IRC_SERVLIST(CLIENT *Client, REQUEST *Req)
285 assert(Client != NULL);
289 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
290 Client_ID(Client), Req->command);
292 if (Req->argc < 2 || strcmp(Req->argv[1], "0") == 0) {
293 for (c = Client_First(); c!= NULL; c = Client_Next(c)) {
294 if (Client_Type(c) != CLIENT_SERVICE)
296 if (Req->argc > 0 && !MatchCaseInsensitive(Req->argv[0],
299 if (!IRC_WriteStrClient(Client, RPL_SERVLIST_MSG,
300 Client_ID(Client), Client_Mask(c),
301 Client_Mask(Client_Introducer(c)), "*",
302 0, Client_Hops(c), Client_Info(c)))
307 return IRC_WriteStrClient(Client, RPL_SERVLISTEND_MSG, Client_ID(Client),
308 Req->argc > 0 ? Req->argv[0] : "*",
309 Req->argc > 1 ? Req->argv[1] : "0");
314 IRC_MOTD( CLIENT *Client, REQUEST *Req )
316 CLIENT *from, *target;
318 assert( Client != NULL );
319 assert( Req != NULL );
321 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
323 /* From aus Prefix ermitteln */
324 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
326 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
331 target = Client_Search( Req->argv[0] );
332 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
334 if( target != Client_ThisServer( ))
336 /* Ok, anderer Server ist das Ziel: forwarden */
337 return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
341 IRC_SetPenalty( from, 3 );
342 return IRC_Show_MOTD( from );
347 IRC_NAMES( CLIENT *Client, REQUEST *Req )
349 char rpl[COMMAND_LEN], *ptr;
350 CLIENT *target, *from, *c;
353 assert( Client != NULL );
354 assert( Req != NULL );
356 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
358 /* use prefix to determine "From" */
359 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
361 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
365 /* forward to another server? */
366 target = Client_Search( Req->argv[1] );
367 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
369 if( target != Client_ThisServer( )) {
370 /* target is another server, forward */
371 return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
377 /* bestimmte Channels durchgehen */
378 ptr = strtok( Req->argv[0], "," );
381 chan = Channel_Search( ptr );
385 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
387 if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
389 /* get next channel name */
390 ptr = strtok( NULL, "," );
395 chan = Channel_First( );
398 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
400 chan = Channel_Next( chan );
403 /* Now print all clients which are not in any channel */
405 snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
408 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
410 /* its a user, concatenate ... */
411 if( rpl[strlen( rpl ) - 1] != ':' ) strlcat( rpl, " ", sizeof( rpl ));
412 strlcat( rpl, Client_ID( c ), sizeof( rpl ));
414 if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
416 /* Line is gwoing too long, send now */
417 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
418 snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
422 c = Client_Next( c );
424 if( rpl[strlen( rpl ) - 1] != ':')
426 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
429 IRC_SetPenalty( from, 1 );
430 return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
435 t_diff(time_t *t, const time_t d)
448 uptime_days(time_t *now)
450 return t_diff(now, 60 * 60 * 24);
455 uptime_hrs(time_t *now)
457 return t_diff(now, 60 * 60);
462 uptime_mins(time_t *now)
464 return t_diff(now, 60);
469 IRC_STATS( CLIENT *Client, REQUEST *Req )
471 CLIENT *from, *target, *cl;
476 unsigned int days, hrs, mins;
478 assert( Client != NULL );
479 assert( Req != NULL );
482 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
484 /* use prefix to determine "From" */
485 if (Client_Type(Client) == CLIENT_SERVER)
486 from = Client_Search(Req->prefix);
491 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix);
493 if (Req->argc == 2) {
494 /* forward to another server? */
495 target = Client_Search( Req->argv[1] );
496 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
497 return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
499 if( target != Client_ThisServer()) {
500 /* forward to another server */
501 return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
506 query = Req->argv[0][0] ? Req->argv[0][0] : '*';
511 case 'l': /* Links */
513 time_now = time(NULL);
514 for (con = Conn_First(); con != NONE ;con = Conn_Next(con)) {
515 cl = Conn_GetClient(con);
518 if ((Client_Type(cl) == CLIENT_SERVER) || (cl == Client)) {
519 /* Server link or our own connection */
521 if (Conn_Options(con) & CONN_ZIP) {
522 if (!IRC_WriteStrClient(from, RPL_STATSLINKINFOZIP_MSG,
523 Client_ID(from), Client_Mask(cl), Conn_SendQ(con),
524 Conn_SendMsg(con), Zip_SendBytes(con), Conn_SendBytes(con),
525 Conn_RecvMsg(con), Zip_RecvBytes(con), Conn_RecvBytes(con), (long)(time_now - Conn_StartTime(con))))
530 if (!IRC_WriteStrClient(from, RPL_STATSLINKINFO_MSG, Client_ID(from),
531 Client_Mask(cl), Conn_SendQ(con), Conn_SendMsg(con), Conn_SendBytes(con),
532 Conn_RecvMsg(con), Conn_RecvBytes(con), (long)(time_now - Conn_StartTime(con))))
537 case 'm': /* IRC-Commands */
539 cmd = Parse_GetCommandStruct( );
540 for (; cmd->name ; cmd++) {
541 if (cmd->lcount == 0 && cmd->rcount == 0)
543 if (!IRC_WriteStrClient(from, RPL_STATSCOMMANDS_MSG, Client_ID(from),
544 cmd->name, cmd->lcount, cmd->bytes, cmd->rcount))
548 case 'u': /* server uptime */
550 time_now = time(NULL) - NGIRCd_Start;
551 days = uptime_days(&time_now);
552 hrs = uptime_hrs(&time_now);
553 mins = uptime_mins(&time_now);
554 if (!IRC_WriteStrClient(from, RPL_STATSUPTIME, Client_ID(from),
555 days, hrs, mins, (unsigned int) time_now))
560 IRC_SetPenalty(from, 2);
561 return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG, Client_ID(from), query);
566 * Handler for the IRC command "SUMMON".
567 * See RFC 2812 section 4.5. ngIRCd doesn't implement this functionality and
568 * therefore answers with ERR_SUMMONDISABLED.
571 IRC_SUMMON(CLIENT * Client, REQUEST * Req)
573 return IRC_WriteStrClient(Client, ERR_SUMMONDISABLED_MSG,
574 Client_ID(Client), Req->command);
579 IRC_TIME( CLIENT *Client, REQUEST *Req )
581 CLIENT *from, *target;
585 assert( Client != NULL );
586 assert( Req != NULL );
588 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
590 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
592 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
596 target = Client_Search( Req->argv[0] );
597 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
599 if( target != Client_ThisServer( ))
601 return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
606 (void)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
607 return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
612 IRC_USERHOST( CLIENT *Client, REQUEST *Req )
614 char rpl[COMMAND_LEN];
618 assert( Client != NULL );
619 assert( Req != NULL );
621 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
623 if( Req->argc > 5 ) max = 5;
624 else max = Req->argc;
626 strlcpy( rpl, RPL_USERHOST_MSG, sizeof rpl );
627 for( i = 0; i < max; i++ )
629 c = Client_Search( Req->argv[i] );
630 if( c && ( Client_Type( c ) == CLIENT_USER ))
632 /* This Nick is "online" */
633 strlcat( rpl, Client_ID( c ), sizeof( rpl ));
634 if( Client_HasMode( c, 'o' )) strlcat( rpl, "*", sizeof( rpl ));
635 strlcat( rpl, "=", sizeof( rpl ));
636 if( Client_HasMode( c, 'a' )) strlcat( rpl, "-", sizeof( rpl ));
637 else strlcat( rpl, "+", sizeof( rpl ));
638 strlcat( rpl, Client_User( c ), sizeof( rpl ));
639 strlcat( rpl, "@", sizeof( rpl ));
640 strlcat( rpl, Client_Hostname( c ), sizeof( rpl ));
641 strlcat( rpl, " ", sizeof( rpl ));
644 ngt_TrimLastChr( rpl, ' ');
646 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
651 * Handler for the IRC command "USERS".
652 * See RFC 2812 section 4.6. As suggested there the command is disabled.
655 IRC_USERS(CLIENT * Client, REQUEST * Req)
657 return IRC_WriteStrClient(Client, ERR_USERSDISABLED_MSG,
658 Client_ID(Client), Req->command);
663 IRC_VERSION( CLIENT *Client, REQUEST *Req )
665 CLIENT *target, *prefix;
667 assert( Client != NULL );
668 assert( Req != NULL );
670 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
673 if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
674 else target = Client_ThisServer( );
676 /* Prefix ermitteln */
677 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
678 else prefix = Client;
679 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
681 /* An anderen Server weiterleiten? */
682 if( target != Client_ThisServer( ))
684 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
687 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
691 /* send version information */
692 IRC_SetPenalty(Client, 1);
693 return IRC_WriteStrClient(Client, RPL_VERSION_MSG, Client_ID(prefix),
694 PACKAGE_NAME, PACKAGE_VERSION,
695 NGIRCd_DebugLevel, Conf_ServerName,
696 NGIRCd_VersionAddition);
701 write_whoreply(CLIENT *Client, CLIENT *c, const char *channelname, const char *flags)
703 return IRC_WriteStrClient(Client, RPL_WHOREPLY_MSG, Client_ID(Client), channelname,
704 Client_User(c), Client_Hostname(c), Client_ID(Client_Introducer(c)), Client_ID(c),
705 flags, Client_Hops(c), Client_Info(c));
710 who_flags_status(const char *client_modes)
712 if (strchr(client_modes, 'a'))
713 return "G"; /* away */
719 who_flags_qualifier(const char *chan_user_modes)
721 if (strchr(chan_user_modes, 'o'))
723 else if (strchr(chan_user_modes, 'v'))
730 IRC_Send_WHO(CLIENT *Client, CHANNEL *Chan, bool OnlyOps)
732 bool is_visible, is_member, is_ircop;
734 const char *client_modes;
735 const char *chan_user_modes;
739 assert( Client != NULL );
740 assert( Chan != NULL );
742 is_member = Channel_IsMemberOf(Chan, Client);
744 /* Secret channel? */
745 if (!is_member && strchr(Channel_Modes(Chan), 's'))
746 return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), Channel_Name(Chan));
748 cl2chan = Channel_FirstMember(Chan);
749 for (; cl2chan ; cl2chan = Channel_NextMember(Chan, cl2chan)) {
750 c = Channel_GetClient(cl2chan);
752 client_modes = Client_Modes(c);
753 is_ircop = strchr(client_modes, 'o') != NULL;
754 if (OnlyOps && !is_ircop)
757 is_visible = strchr(client_modes, 'i') == NULL;
758 if (is_member || is_visible) {
759 strcpy(flags, who_flags_status(client_modes));
761 strlcat(flags, "*", sizeof(flags));
763 chan_user_modes = Channel_UserModes(Chan, c);
764 strlcat(flags, who_flags_qualifier(chan_user_modes), sizeof(flags));
766 if (!write_whoreply(Client, c, Channel_Name(Chan), flags))
770 return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), Channel_Name(Chan));
775 IRC_WHO( CLIENT *Client, REQUEST *Req )
777 bool only_ops, have_arg, client_match;
778 const char *channelname, *client_modes, *chan_user_modes;
779 char pattern[COMMAND_LEN];
785 assert( Client != NULL );
786 assert( Req != NULL );
789 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
794 if (Req->argc == 2) {
795 if (strcmp(Req->argv[1], "o") == 0)
798 else return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
802 IRC_SetPenalty(Client, 1);
803 if (Req->argc >= 1) { /* Channel or Mask. */
804 chan = Channel_Search(Req->argv[0]);
806 return IRC_Send_WHO(Client, chan, only_ops);
807 if (strcmp(Req->argv[0], "0") != 0) { /* RFC stupidity, same as no arguments */
809 strlcpy(pattern, Req->argv[0], sizeof(pattern));
810 ngt_LowerStr(pattern);
811 IRC_SetPenalty(Client, 3);
815 for (c = Client_First(); c != NULL; c = Client_Next(c)) {
816 if (Client_Type(c) != CLIENT_USER)
820 * In the absence of the parameter, all visible (users who aren't
821 * invisible (user mode +i) and who don't have a common channel
822 * with the requesting client) are listed.
824 * The same result can be achieved by using a [sic] of "0"
825 * or any wildcard which will end up matching every visible user.
827 * The [sic] passed to WHO is matched against users' host, server, real name and
828 * nickname if the channel cannot be found.
830 client_modes = Client_Modes(c);
831 if (strchr(client_modes, 'i'))
834 if (only_ops && !strchr(client_modes, 'o'))
837 if (have_arg) { /* match pattern against user host/server/name/nick */
838 client_match = MatchCaseInsensitive(pattern, Client_Hostname(c)); /* user's host */
840 client_match = MatchCaseInsensitive(pattern, Client_ID(Client_Introducer(c))); /* server */
842 client_match = Match(Req->argv[0], Client_Info(c)); /* realname */
844 client_match = MatchCaseInsensitive(pattern, Client_ID(c)); /* nick name */
846 if (!client_match) /* This isn't the client you're looking for */
850 strcpy(flags, who_flags_status(client_modes));
852 if (strchr(client_modes, 'o')) /* this client is an operator */
853 strlcat(flags, "*", sizeof(flags));
855 /* Search suitable channel */
856 cl2chan = Channel_FirstChannelOf(c);
858 cn = Channel_GetChannel(cl2chan);
859 if (Channel_IsMemberOf(cn, Client) ||
860 !strchr(Channel_Modes(cn), 's'))
862 channelname = Channel_Name(cn);
865 cl2chan = Channel_NextChannelOf(c, cl2chan);
868 chan = Channel_GetChannel(cl2chan);
869 chan_user_modes = Channel_UserModes(chan, c);
870 strlcat(flags, who_flags_qualifier(chan_user_modes), sizeof(flags));
874 if (!write_whoreply(Client, c, channelname, flags))
879 channelname = Req->argv[0];
883 return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), channelname);
888 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
890 CLIENT *from, *target, *c;
891 char str[LINE_LEN + 1];
895 assert( Client != NULL );
896 assert( Req != NULL );
898 /* Bad number of parameters? */
899 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
902 c = Client_Search( Req->argv[Req->argc - 1] );
903 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
905 /* Search sender of the WHOIS */
906 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
908 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
910 /* Forward to other server? */
913 /* Search target server (can be specified as nick of that server!) */
914 target = Client_Search( Req->argv[0] );
915 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
917 else target = Client_ThisServer( );
919 assert( target != NULL );
921 if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], Req->argv[1] );
923 /* Nick, user and name */
924 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
927 if( ! IRC_WriteStrClient( from, RPL_WHOISSERVER_MSG, Client_ID( from ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED;
930 snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
931 cl2chan = Channel_FirstChannelOf( c );
934 chan = Channel_GetChannel( cl2chan );
935 assert( chan != NULL );
938 cl2chan = Channel_NextChannelOf( c, cl2chan );
940 /* Secret channel? */
941 if (strchr(Channel_Modes(chan), 's')
942 && !Channel_IsMemberOf(chan, Client))
945 /* Local channel and request is not from a user? */
946 if (Client_Type(Client) == CLIENT_SERVER
947 && Channel_IsLocal(chan))
950 /* Concatenate channel names */
951 if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
952 if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
953 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strlcat( str, "+", sizeof( str ));
954 strlcat( str, Channel_Name( chan ), sizeof( str ));
956 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
958 /* Line becomes too long: send it! */
959 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
960 snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
963 if( str[strlen( str ) - 1] != ':')
965 /* There is data left to send: */
966 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
970 if( Client_HasMode( c, 'o' ))
972 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
975 /* Idle and signon time (local clients only!) */
976 if (Client_Conn(c) > NONE ) {
977 if (! IRC_WriteStrClient(from, RPL_WHOISIDLE_MSG,
978 Client_ID(from), Client_ID(c),
979 (unsigned long)Conn_GetIdle(Client_Conn(c)),
980 (unsigned long)Conn_GetSignon(Client_Conn(c))))
985 if( Client_HasMode( c, 'a' ))
987 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
991 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
996 WHOWAS_EntryWrite(CLIENT *prefix, WHOWAS *entry)
1000 (void)strftime(t_str, sizeof(t_str), "%a %b %d %H:%M:%S %Y",
1001 localtime(&entry->time));
1003 if (!IRC_WriteStrClient(prefix, RPL_WHOWASUSER_MSG, Client_ID(prefix),
1004 entry->id, entry->user, entry->host, entry->info))
1005 return DISCONNECTED;
1007 return IRC_WriteStrClient(prefix, RPL_WHOISSERVER_MSG, Client_ID(prefix),
1008 entry->id, entry->server, t_str);
1012 * IRC "WHOWAS" function.
1013 * This function implements the IRC command "WHOWHAS". It handles local
1014 * requests and request that should be forwarded to other servers.
1017 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
1019 CLIENT *target, *prefix;
1021 char tok_buf[COMMAND_LEN];
1022 int max, last, count, i, nc;
1025 assert( Client != NULL );
1026 assert( Req != NULL );
1028 /* Wrong number of parameters? */
1030 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
1031 Client_ID(Client), Req->command);
1033 return IRC_WriteStrClient(Client, ERR_NONICKNAMEGIVEN_MSG, Client_ID(Client));
1037 target = Client_Search(Req->argv[2]);
1039 target = Client_ThisServer();
1042 if (Client_Type(Client) == CLIENT_SERVER)
1043 prefix = Client_Search(Req->prefix);
1048 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
1049 Client_ID(Client), Req->prefix);
1051 /* Forward to other server? */
1052 if (target != Client_ThisServer()) {
1053 if (!target || (Client_Type(target) != CLIENT_SERVER))
1054 return IRC_WriteStrClient(prefix, ERR_NOSUCHSERVER_MSG,
1055 Client_ID(prefix), Req->argv[2]);
1058 IRC_WriteStrClientPrefix( target, prefix, "WHOWAS %s %s %s",
1059 Req->argv[0], Req->argv[1],
1064 whowas = Client_GetWhowas( );
1065 last = Client_GetLastWhowasIndex( );
1069 max = DEFAULT_WHOWAS;
1070 if (Req->argc > 1) {
1071 max = atoi(Req->argv[1]);
1077 * Break up the nick argument into a list of nicks, if applicable
1078 * Can't modify Req->argv[0] because we need it for RPL_ENDOFWHOWAS_MSG.
1080 strlcpy(tok_buf, Req->argv[0], sizeof(tok_buf));
1081 nick = strtok(tok_buf, ",");
1083 for (i=last, count=0; nick != NULL ; nick = strtok(NULL, ",")) {
1087 if (whowas[i].time > 0 && strcasecmp(nick, whowas[i].id) == 0) {
1088 if (!WHOWAS_EntryWrite(prefix, &whowas[i]))
1089 return DISCONNECTED;
1093 /* previous entry */
1096 /* "underflow", wrap around */
1100 if (nc && count >= max)
1102 } while (i != last);
1104 if (nc == 0 && !IRC_WriteStrClient(prefix, ERR_WASNOSUCHNICK_MSG,
1105 Client_ID(prefix), nick))
1106 return DISCONNECTED;
1108 return IRC_WriteStrClient(prefix, RPL_ENDOFWHOWAS_MSG, Client_ID(prefix), Req->argv[0]);
1113 IRC_Send_LUSERS( CLIENT *Client )
1120 assert( Client != NULL );
1122 /* Users, services and serevers in the network */
1123 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
1125 /* Number of IRC operators */
1126 cnt = Client_OperCount( );
1129 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
1132 /* Unknown connections */
1133 cnt = Client_UnknownCount( );
1136 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
1139 /* Number of created channels */
1140 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
1142 /* Number of local users, services and servers */
1143 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
1146 /* Maximum number of local users */
1147 cnt = Client_MyUserCount();
1148 max = Client_MyMaxUserCount();
1149 if (! IRC_WriteStrClient(Client, RPL_LOCALUSERS_MSG, Client_ID(Client),
1150 cnt, max, cnt, max))
1151 return DISCONNECTED;
1152 /* Maximum number of users in the network */
1153 cnt = Client_UserCount();
1154 max = Client_MaxUserCount();
1155 if(! IRC_WriteStrClient(Client, RPL_NETUSERS_MSG, Client_ID(Client),
1156 cnt, max, cnt, max))
1157 return DISCONNECTED;
1161 } /* IRC_Send_LUSERS */
1165 Show_MOTD_Start(CLIENT *Client)
1167 return IRC_WriteStrClient(Client, RPL_MOTDSTART_MSG,
1168 Client_ID( Client ), Client_ID( Client_ThisServer( )));
1172 Show_MOTD_Sendline(CLIENT *Client, const char *msg)
1174 return IRC_WriteStrClient(Client, RPL_MOTD_MSG, Client_ID( Client ), msg);
1178 Show_MOTD_End(CLIENT *Client)
1180 return IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ));
1184 static bool Show_MOTD_SSLInfo(CLIENT *Client)
1187 char buf[COMMAND_LEN] = "Connected using Cipher ";
1189 if (!Conn_GetCipherInfo(Client_Conn(Client), buf + 23, sizeof buf - 23))
1192 if (!Show_MOTD_Sendline(Client, buf))
1198 static inline bool Show_MOTD_SSLInfo(UNUSED CLIENT *c) { return true; }
1202 IRC_Show_MOTD( CLIENT *Client )
1207 assert( Client != NULL );
1209 if (Conf_MotdPhrase[0]) {
1210 if (!Show_MOTD_Start(Client))
1211 return DISCONNECTED;
1212 if (!Show_MOTD_Sendline(Client, Conf_MotdPhrase))
1213 return DISCONNECTED;
1217 fd = fopen( Conf_MotdFile, "r" );
1219 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
1220 if (Conn_UsesSSL(Client_Conn(Client))) {
1221 if (!Show_MOTD_Start(Client))
1222 return DISCONNECTED;
1225 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
1228 if (!Show_MOTD_Start( Client )) {
1233 while (fgets( line, (int)sizeof line, fd )) {
1234 ngt_TrimLastChr( line, '\n');
1236 if( ! Show_MOTD_Sendline( Client, line)) {
1243 if (!Show_MOTD_SSLInfo(Client))
1244 return DISCONNECTED;
1245 return Show_MOTD_End(Client);
1246 } /* IRC_Show_MOTD */
1250 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
1252 bool is_visible, is_member;
1253 char str[LINE_LEN + 1];
1257 assert( Client != NULL );
1258 assert( Chan != NULL );
1260 if( Channel_IsMemberOf( Chan, Client )) is_member = true;
1261 else is_member = false;
1263 /* Secret channel? */
1264 if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
1266 /* Alle Mitglieder suchen */
1267 snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1268 cl2chan = Channel_FirstMember( Chan );
1271 cl = Channel_GetClient( cl2chan );
1273 if( strchr( Client_Modes( cl ), 'i' )) is_visible = false;
1274 else is_visible = true;
1276 if( is_member || is_visible )
1278 /* Nick anhaengen */
1279 if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
1280 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
1281 else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
1282 strlcat( str, Client_ID( cl ), sizeof( str ));
1284 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1286 /* Zeile wird zu lang: senden! */
1287 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
1288 snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1292 /* naechstes Mitglied suchen */
1293 cl2chan = Channel_NextMember( Chan, cl2chan );
1295 if( str[strlen( str ) - 1] != ':')
1297 /* Es sind noch Daten da, die gesendet werden muessen */
1298 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
1302 } /* IRC_Send_NAMES */
1307 * Send the ISUPPORT numeric (005).
1308 * This numeric indicates the features that are supported by this server.
1309 * See <http://www.irc.org/tech_docs/005.html> for details.
1312 IRC_Send_ISUPPORT PARAMS((CLIENT * Client))
1314 if (!IRC_WriteStrClient(Client, RPL_ISUPPORT1_MSG, Client_ID(Client),
1316 return DISCONNECTED;
1317 return IRC_WriteStrClient(Client, RPL_ISUPPORT2_MSG, Client_ID(Client),
1318 CHANNEL_NAME_LEN - 1, Conf_MaxNickLength - 1,
1319 COMMAND_LEN - 23, CLIENT_AWAY_LEN - 1,
1321 } /* IRC_Send_ISUPPORT */