2 * IRC - Internet Relay Chat, ircd/m_privmsg.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
84 * No need to include handlers.h here the signatures must match
85 * and we don't need to force a rebuild of all the handlers everytime
86 * we add a new one to the list. --Bleep
92 #include "ircd_chattr.h"
93 #include "ircd_features.h"
94 #include "ircd_relay.h"
95 #include "ircd_reply.h"
96 #include "ircd_string.h"
106 * m_privmsg - generic message handler
108 int m_privmsg(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
114 char* vector[MAXTARGETS];
117 assert(cptr == sptr);
118 assert(0 != cli_user(sptr));
120 cli_flags(sptr) &= ~FLAGS_TS8;
122 if (feature_bool(FEAT_IDLE_FROM_MSG))
123 cli_user(sptr)->last = CurrentTime;
125 if (parc < 2 || EmptyString(parv[1]))
126 return send_reply(sptr, ERR_NORECIPIENT, MSG_PRIVATE);
128 if (parc < 3 || EmptyString(parv[parc - 1]))
129 return send_reply(sptr, ERR_NOTEXTTOSEND);
131 count = unique_name_vector(parv[1], ',', vector, MAXTARGETS);
133 for (i = 0; i < count; ++i) {
138 if (IsChannelPrefix(*name)) {
139 relay_channel_message(sptr, name, parv[parc - 1]);
142 * we have to check for the '@' at least once no matter what we do
143 * handle it first so we don't have to do it twice
145 else if ((server = strchr(name, '@')))
146 relay_directed_message(sptr, name, server, parv[parc - 1]);
148 relay_private_message(sptr, name, parv[parc - 1]);
154 * ms_privmsg - server message handler template
156 int ms_privmsg(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
161 cli_flags(sptr) &= ~FLAGS_TS8;
165 * we can't deliver it, sending an error back is pointless
173 if (IsChannelPrefix(*name)) {
174 server_relay_channel_message(sptr, name, parv[parc - 1]);
177 * coming from another server, we have to check this here
179 else if ('$' == *name && IsOper(sptr)) {
180 server_relay_masked_message(sptr, name, parv[parc - 1]);
182 else if ((server = strchr(name, '@'))) {
184 * XXX - can't get away with not doing everything
185 * relay_directed_message has to do
187 relay_directed_message(sptr, name, server, parv[parc - 1]);
190 server_relay_private_message(sptr, name, parv[parc - 1]);
197 * mo_privmsg - oper message handler
199 int mo_privmsg(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
205 char* vector[MAXTARGETS];
207 assert(cptr == sptr);
208 assert(0 != cli_user(sptr));
210 cli_flags(sptr) &= ~FLAGS_TS8;
212 if (feature_bool(FEAT_IDLE_FROM_MSG))
213 cli_user(sptr)->last = CurrentTime;
215 if (parc < 2 || EmptyString(parv[1]))
216 return send_reply(sptr, ERR_NORECIPIENT, MSG_PRIVATE);
218 if (parc < 3 || EmptyString(parv[parc - 1]))
219 return send_reply(sptr, ERR_NOTEXTTOSEND);
221 count = unique_name_vector(parv[1], ',', vector, MAXTARGETS);
223 for (i = 0; i < count; ++i) {
228 if (IsChannelPrefix(*name))
229 relay_channel_message(sptr, name, parv[parc - 1]);
231 else if (*name == '$')
232 relay_masked_message(sptr, name, parv[parc - 1]);
234 else if ((server = strchr(name, '@')))
235 relay_directed_message(sptr, name, server, parv[parc - 1]);
238 relay_private_message(sptr, name, parv[parc - 1]);
246 * m_message (used in m_private() and m_notice())
248 * The general function to deliver MSG's between users/channels
250 * parv[0] = sender prefix
251 * parv[1] = receiver list
252 * parv[parc-1] = message text
257 static int m_message(struct Client *cptr, struct Client *sptr,
258 int parc, char *parv[], int notice)
260 struct Client* acptr;
262 struct Channel* chptr;
269 char* vector[MAXTARGETS];
271 sptr->flags &= ~FLAGS_TS8;
273 cmd = notice ? MSG_NOTICE : MSG_PRIVATE;
275 if (parc < 2 || EmptyString(parv[1]))
276 return send_error_to_client(sptr, ERR_NORECIPIENT, cmd); /* XXX DEAD */
278 if (parc < 3 || EmptyString(parv[parc - 1]))
279 return send_error_to_client(sptr, ERR_NOTEXTTOSEND); /* XXX DEAD */
284 parv[1] = canonize(parv[1]);
285 for (p = 0, nick = ircd_strtok(&p, parv[1], ","); nick;
286 nick = ircd_strtok(&p, 0, ","))
289 count = unique_name_vector(parv[1], ',', vector, MAXTARGETS);
290 for (i = 0; i < count; ++i) {
295 if (IsChannelName(nick))
297 if ((chptr = FindChannel(nick)))
299 /* This first: Almost never a server/service */
300 if (client_can_send_to_channel(sptr, chptr) || IsChannelService(sptr))
302 if (MyUser(sptr) && (chptr->mode.mode & MODE_NOPRIVMSGS) &&
303 check_target_limit(sptr, chptr, chptr->chname, 0))
305 sendmsgto_channel_butone(cptr, sptr, chptr, /* XXX DEAD */
306 parv[0], (notice ? TOK_NOTICE : TOK_PRIVATE),
307 chptr->chname, parv[parc - 1]);
310 sendto_one(sptr, err_str(ERR_CANNOTSENDTOCHAN), /* XXX DEAD */
311 me.name, parv[0], chptr->chname);
315 else if (*nick != '$' && !strchr(nick, '@'))
318 * nickname addressed?
321 acptr = FindUser(nick);
322 else if ((acptr = findNUser(nick)) && !IsUser(acptr))
326 if (MyUser(sptr) && check_target_limit(sptr, acptr, acptr->name, 0))
328 if (!is_silenced(sptr, acptr))
330 if (!notice && MyConnect(sptr) && acptr->user && acptr->user->away)
331 sendto_one(sptr, rpl_str(RPL_AWAY), /* XXX DEAD */
332 me.name, parv[0], acptr->name, acptr->user->away);
335 add_target(acptr, sptr);
336 sendto_prefix_one(acptr, sptr, ":%s %s %s :%s", /* XXX DEAD */
337 parv[0], cmd, acptr->name, parv[parc - 1]);
340 sendto_prefix_one(acptr, sptr, ":%s %s %s%s :%s", /* XXX DEAD */
341 parv[0], (notice ? TOK_NOTICE : TOK_PRIVATE),
342 NumNick(acptr), parv[parc - 1]);
345 else if (MyUser(sptr))
346 sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name, parv[0], nick); /* XXX DEAD */
348 sendto_one(sptr, /* XXX DEAD */
349 ":%s %d %s * :Target left UnderNet. Failed to deliver: [%.50s]",
350 me.name, ERR_NOSUCHNICK, sptr->name, parv[parc - 1]);
354 * The following two cases allow masks in NOTICEs
357 * Armin, 8Jun90 (gruner@informatik.tu-muenchen.de)
359 if ((*nick == '$' || *nick == '#') && IsAnOper(sptr))
363 if (!(s = strrchr(nick, '.')))
365 sendto_one(sptr, err_str(ERR_NOTOPLEVEL), me.name, parv[0], nick); /* XXX DEAD */
369 if (*s == '.' || *s == '*' || *s == '?')
371 if (*s == '*' || *s == '?')
373 sendto_one(sptr, err_str(ERR_WILDTOPLEVEL), me.name, parv[0], nick); /* XXX DEAD */
377 sendto_match_butone(IsServer(cptr) ? cptr : 0, /* XXX DEAD */
378 sptr, nick + 1, (*nick == '#') ? MATCH_HOST : MATCH_SERVER,
379 ":%s %s %s :%s", parv[0], cmd, nick, parv[parc - 1]);
382 else if ((server = strchr(nick, '@')) && (acptr = FindServer(server + 1)))
385 * NICK[%host]@server addressed? See if <server> is me first
389 sendto_one(acptr, ":%s %s %s :%s", parv[0], cmd, nick, parv[parc - 1]); /* XXX DEAD */
393 /* Look for an user whose NICK is equal to <nick> and then
394 * check if it's hostname matches <host> and if it's a local
397 if ((host = strchr(nick, '%')))
400 if ((!(acptr = FindUser(nick))) ||
401 (!(MyUser(acptr))) ||
402 ((!(EmptyString(host))) && match(host, acptr->user->host)))
411 if (!(is_silenced(sptr, acptr)))
412 sendto_prefix_one(acptr, sptr, ":%s %s %s :%s", /* XXX DEAD */
413 parv[0], cmd, nick, parv[parc - 1]);
417 if (IsChannelName(nick))
418 sendto_one(sptr, err_str(ERR_NOSUCHCHANNEL), me.name, parv[0], nick); /* XXX DEAD */
420 sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name, parv[0], nick); /* XXX DEAD */
428 * parv[0] = sender prefix
429 * parv[1] = receiver list
430 * parv[parc-1] = message text
432 int m_private(struct Client *cptr, struct Client *sptr, int parc, char *parv[])
434 return m_message(cptr, sptr, parc, parv, 0);
437 #if !defined(XXX_BOGUS_TEMP_HACK)
438 #include "handlers.h"
443 * parv[0] = sender prefix
444 * parv[1] = receiver list
445 * parv[parc-1] = notice text
447 int m_notice(struct Client *cptr, struct Client *sptr, int parc, char *parv[])
449 if (MyUser(sptr) && parv[1] && parv[1][0] == '@' &&
450 IsChannelName(&parv[1][1]))
452 parv[1]++; /* Get rid of '@' */
453 return m_wallchops(cptr, sptr, parc, parv);
455 return m_message(cptr, sptr, parc, parv, 1);