2 * IRC - Internet Relay Chat, ircd/m_names.c
3 * Copyright (C) 1990 Jarkko Oikarinen and
4 * University of Oulu, Computing Center
6 * See file AUTHORS in IRC package for additional names of
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 1, or (at your option)
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 * m_functions execute protocol messages on this server:
29 * cptr is always NON-NULL, pointing to a *LOCAL* client
30 * structure (with an open socket connected!). This
31 * identifies the physical socket where the message
32 * originated (or which caused the m_function to be
33 * executed--some m_functions may call others...).
35 * sptr is the source of the message, defined by the
36 * prefix part of the message if present. If not
37 * or prefix not found, then sptr==cptr.
39 * (!IsServer(cptr)) => (cptr == sptr), because
40 * prefixes are taken *only* from servers...
43 * (sptr == cptr) => the message didn't
46 * (sptr != cptr && IsServer(sptr) means
47 * the prefix specified servername. (?)
49 * (sptr != cptr && !IsServer(sptr) means
50 * that message originated from a remote
55 * (!IsServer(sptr)) means that, sptr can safely
56 * taken as defining the target structure of the
57 * message in this server.
59 * *Always* true (if 'parse' and others are working correct):
61 * 1) sptr->from == cptr (note: cptr->from == cptr)
63 * 2) MyConnect(sptr) <=> sptr == cptr (e.g. sptr
64 * *cannot* be a local connection, unless it's
65 * actually cptr!). [MyConnect(x) should probably
66 * be defined as (x == x->from) --msa ]
68 * parc number of variable parameter strings (if zero,
69 * parv is allowed to be NULL)
71 * parv a NULL terminated list of parameter pointers,
73 * parv[0], sender (prefix string), if not present
74 * this points to an empty string.
75 * parv[1]...parv[parc-1]
76 * pointers to additional parameters
77 * parv[parc] == NULL, *always*
79 * note: it is guaranteed that parv[0]..parv[parc-1] are all
89 #include "ircd_reply.h"
90 #include "ircd_string.h"
97 /* #include <assert.h> -- Now using assert in ircd_log.h */
101 * Sends a suitably formatted 'names' reply to 'sptr' consisting of nicks within
102 * 'chptr', depending on 'filter'.
104 * NAMES_ALL - Lists all users on channel.
105 * NAMES_VIS - Only list visible (-i) users. --Gte (04/06/2000).
106 * NAMES_EON - When OR'd with the other two, adds an 'End of Names' numeric
111 void do_names(struct Client* sptr, struct Channel* chptr, int filter)
119 struct Client *c2ptr;
120 struct Membership* member;
124 assert((filter&NAMES_ALL) != (filter&NAMES_VIS));
126 /* Tag Pub/Secret channels accordingly. */
129 if (PubChannel(chptr))
131 else if (SecretChannel(chptr))
134 len = strlen(chptr->chname);
135 strcpy(buf + 2, chptr->chname);
136 strcpy(buf + 2 + len, " :");
142 if (!ShowChannel(sptr, chptr)) /* Don't list private channels unless we are on them. */
145 /* Iterate over all channel members, and build up the list. */
147 mlen = strlen(cli_name(&me)) + 10 + strlen(cli_name(sptr));
149 for (member = chptr->members; member; member = member->next_member)
151 c2ptr = member->user;
153 if (((filter&NAMES_VIS)!=0) && IsInvisible(c2ptr))
156 if (IsZombie(member) && member->user != sptr)
159 if (IsDelayedJoin(member) && (member->user != sptr) && !(filter & NAMES_DEL))
162 if ((!IsDelayedJoin(member) || (member->user == sptr)) && (filter & NAMES_DEL))
170 if (IsZombie(member))
175 else if (IsChanOp(member))
180 else if (HasVoice(member))
185 strcat(buf, cli_name(c2ptr));
186 idx += strlen(cli_name(c2ptr));
188 if (mlen + idx + NICKLEN + 5 > BUFSIZE)
189 /* space, modifier, nick, \r \n \0 */
191 send_reply(sptr, (filter & NAMES_DEL) ? RPL_DELNAMREPLY : RPL_NAMREPLY, buf);
193 ircd_strncpy(buf + 2, chptr->chname, len + 1);
196 if (PubChannel(chptr))
198 else if (SecretChannel(chptr))
206 send_reply(sptr, (filter & NAMES_DEL) ? RPL_DELNAMREPLY : RPL_NAMREPLY, buf);
207 if (filter&NAMES_EON)
208 send_reply(sptr, RPL_ENDOFNAMES, chptr->chname);
212 * m_names - generic message handler
214 * parv[0] = sender prefix
218 int m_names(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
220 struct Channel *chptr;
221 struct Channel *ch2ptr;
222 struct Client *c2ptr;
223 struct Membership* member;
225 char* para = parc > 1 ? parv[1] : 0;
226 int showingdelayed = 0;
228 if (parc > 1 && !ircd_strcmp(parv[1], "-D")) {
229 para = (parc > 2) ? parv[2] : 0;
231 if (parc > 3 && hunt_server_cmd(sptr, CMD_NAMES, cptr, 1, "%s %s %C", 3, parc, parv))
233 } else if (parc > 2 && hunt_server_cmd(sptr, CMD_NAMES, cptr, 1, "%s %C", 2, parc, parv))
236 if (EmptyString(para)) {
237 send_reply(sptr, RPL_ENDOFNAMES, "*");
240 else if (*para == '0')
243 s = strchr(para, ','); /* Recursively call m_names for each comma-separated channel. Eww. */
246 parv[1+showingdelayed] = s;
247 m_names(cptr, sptr, parc, parv);
251 * Special Case 1: "/names 0".
252 * Full list as per RFC.
259 struct Channel *ch3ptr;
262 mlen = strlen(cli_name(&me)) + 10 + strlen(cli_name(sptr));
264 /* List all visible channels/visible members */
266 for (ch2ptr = GlobalChannelList; ch2ptr; ch2ptr = ch2ptr->next)
268 if (!ShowChannel(sptr, ch2ptr))
269 continue; /* Don't show secret chans. */
271 if (find_channel_member(sptr, ch2ptr))
273 do_names(sptr, ch2ptr, (showingdelayed?NAMES_DEL:0)|NAMES_ALL); /* Full list if we're in this chan. */
275 do_names(sptr, ch2ptr, (showingdelayed?NAMES_DEL:0)|NAMES_VIS);
279 /* List all remaining users on channel '*' */
281 strcpy(buf, "* * :");
285 for (c2ptr = GlobalClientList; c2ptr; c2ptr = cli_next(c2ptr))
289 if (!IsUser(c2ptr) || (sptr != c2ptr && IsInvisible(c2ptr)))
292 member = cli_user(c2ptr)->channel;
296 ch3ptr = member->channel;
298 if (PubChannel(ch3ptr) || find_channel_member(sptr, ch3ptr))
301 member = member->next_channel;
304 if (showflag) /* Have we already shown them? */
307 strcat(buf, cli_name(c2ptr));
309 idx += strlen(cli_name(c2ptr)) + 1;
312 if (mlen + idx + NICKLEN + 3 > BUFSIZE) /* space, \r\n\0 */
314 send_reply(sptr, RPL_NAMREPLY, buf);
315 strcpy(buf, "* * :");
321 send_reply(sptr, RPL_NAMREPLY, buf);
322 send_reply(sptr, RPL_ENDOFNAMES, "*");
327 * Special Case 2: User is on this channel, requesting full names list.
328 * (As performed with each /join) - ** High frequency usage **
331 chptr = FindChannel(para);
334 member = find_member_link(chptr, sptr);
337 do_names(sptr, chptr, (showingdelayed?NAMES_DEL:0)|NAMES_ALL);
338 if (!EmptyString(para))
340 send_reply(sptr, RPL_ENDOFNAMES, chptr ? chptr->chname : para);
347 * Special Case 3: User isn't on this channel, show all visible users, in
348 * non secret channels.
350 do_names(sptr, chptr, (showingdelayed?NAMES_DEL:0)|NAMES_VIS);
351 send_reply(sptr, RPL_ENDOFNAMES, para);
353 } else { /* Channel doesn't exist. */
354 send_reply(sptr, RPL_ENDOFNAMES, para);
361 * ms_names - server message handler
363 * parv[0] = sender prefix
366 int ms_names(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
368 struct Channel *chptr;
369 struct Channel *ch2ptr;
370 struct Client *c2ptr;
371 struct Membership* member;
373 char* para = parc > 1 ? parv[1] : 0;
374 int showingdelayed = 0;
376 if (parc > 1 && !ircd_strcmp(parv[1], "-D")) {
377 para = (parc > 2) ? parv[2] : 0;
378 showingdelayed = NAMES_DEL;
379 if (parc > 3 && hunt_server_cmd(sptr, CMD_NAMES, cptr, 1, "%s %s %C", 3, parc, parv))
381 } else if (parc > 2 && hunt_server_cmd(sptr, CMD_NAMES, cptr, 1, "%s %C", 2, parc, parv))
384 if (EmptyString(para)) {
385 send_reply(sptr, RPL_ENDOFNAMES, "*");
388 else if (*para == '0')
391 s = strchr(para, ','); /* Recursively call m_names for each comma-separated channel. */
394 parv[1+!!showingdelayed] = s;
395 m_names(cptr, sptr, parc, parv);
399 * Special Case 1: "/names 0".
400 * Full list as per RFC.
407 struct Channel *ch3ptr;
410 mlen = strlen(cli_name(&me)) + 10 + strlen(cli_name(sptr));
412 /* List all visible channels/visible members */
414 for (ch2ptr = GlobalChannelList; ch2ptr; ch2ptr = ch2ptr->next)
416 if (!ShowChannel(sptr, ch2ptr))
417 continue; /* Don't show secret chans. */
419 if (find_channel_member(sptr, ch2ptr))
421 do_names(sptr, ch2ptr, showingdelayed|NAMES_ALL); /* Full list if we're in this chan. */
423 do_names(sptr, ch2ptr, showingdelayed|NAMES_VIS);
427 /* List all remaining users on channel '*' */
429 strcpy(buf, "* * :");
433 for (c2ptr = GlobalClientList; c2ptr; c2ptr = cli_next(c2ptr))
437 if (!IsUser(c2ptr) || (sptr != c2ptr && IsInvisible(c2ptr)))
440 member = cli_user(c2ptr)->channel;
444 ch3ptr = member->channel;
446 if (PubChannel(ch3ptr) || find_channel_member(sptr, ch3ptr))
449 member = member->next_channel;
452 if (showflag) /* Have we already shown them? */
455 strcat(buf, cli_name(c2ptr));
457 idx += strlen(cli_name(c2ptr)) + 1;
460 if (mlen + idx + NICKLEN + 3 > BUFSIZE) /* space, \r\n\0 */
462 send_reply(sptr, RPL_NAMREPLY, buf);
463 strcpy(buf, "* * :");
469 send_reply(sptr, RPL_NAMREPLY, buf);
470 send_reply(sptr, RPL_ENDOFNAMES, "*");
475 * Special Case 2: User is on this channel, requesting full names list.
476 * (As performed with each /join) - ** High frequency usage **
479 chptr = FindChannel(para);
482 member = find_member_link(chptr, sptr);
485 do_names(sptr, chptr, showingdelayed|NAMES_ALL);
486 if (!EmptyString(para))
488 send_reply(sptr, RPL_ENDOFNAMES, chptr ? chptr->chname : para);
495 * Special Case 3: User isn't on this channel, show all visible users, in
496 * non secret channels.
498 do_names(sptr, chptr, showingdelayed|NAMES_VIS);
500 } else { /* Channel doesn't exist. */
501 send_reply(sptr, RPL_ENDOFNAMES, para);