2 * IRC - Internet Relay Chat, ircd/m_pseudo.c
3 * Copyright (C) 2002 - 2003 Zoot <zoot@gamesurge.net>
5 * See file AUTHORS in IRC package for additional names of
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 1, or (at your option)
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 * m_functions execute protocol messages on this server:
28 * cptr is always NON-NULL, pointing to a *LOCAL* client
29 * structure (with an open socket connected!). This
30 * identifies the physical socket where the message
31 * originated (or which caused the m_function to be
32 * executed--some m_functions may call others...).
34 * sptr is the source of the message, defined by the
35 * prefix part of the message if present. If not
36 * or prefix not found, then sptr==cptr.
38 * (!IsServer(cptr)) => (cptr == sptr), because
39 * prefixes are taken *only* from servers...
42 * (sptr == cptr) => the message didn't
45 * (sptr != cptr && IsServer(sptr) means
46 * the prefix specified servername. (?)
48 * (sptr != cptr && !IsServer(sptr) means
49 * that message originated from a remote
54 * (!IsServer(sptr)) means that, sptr can safely
55 * taken as defining the target structure of the
56 * message in this server.
58 * *Always* true (if 'parse' and others are working correct):
60 * 1) sptr->from == cptr (note: cptr->from == cptr)
62 * 2) MyConnect(sptr) <=> sptr == cptr (e.g. sptr
63 * *cannot* be a local connection, unless it's
64 * actually cptr!). [MyConnect(x) should probably
65 * be defined as (x == x->from) --msa ]
67 * parc number of variable parameter strings (if zero,
68 * parv is allowed to be NULL)
70 * parv a NULL terminated list of parameter pointers,
72 * parv[0], sender (prefix string), if not present
73 * this points to an empty string.
74 * parv[1], pointer to "extra" data (service mapping)
75 * parv[2]...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
87 #include "ircd_features.h"
89 #include "ircd_relay.h"
90 #include "ircd_reply.h"
91 #include "ircd_string.h"
92 #include "ircd_snprintf.h"
99 /* #include <assert.h> -- Now using assert in ircd_log.h */
102 * m_pseudo - generic service message handler
104 * parv[0] = sender prefix
105 * parv[1] = service mapping (s_map * disguised as char *)
108 int m_pseudo(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
110 char *text, buffer[BUFSIZE];
112 struct nick_host *nh;
115 assert(cptr == sptr);
116 assert(0 != cli_user(sptr));
118 /* By default, relay the message straight through. */
119 text = parv[parc - 1];
121 if (parc < 3 || EmptyString(text))
122 return send_reply(sptr, ERR_NOTEXTTOSEND);
124 /* HACK! HACK! HACK! HACK! Yes. It's icky, but
125 * it's the only way. */
126 map = (struct s_map *)parv[1];
130 ircd_snprintf(0, buffer, sizeof(buffer) - 1, "%s%s", map->prepend, text);
131 buffer[sizeof(buffer) - 1] = 0;
135 for (nh = map->services; nh; nh = nh->next) {
136 struct Client *target, *server;
138 if (NULL == (server = FindServer(nh->nick + nh->nicklen + 1)))
140 nh->nick[nh->nicklen] = '\0';
141 if ((NULL == (target = FindUser(nh->nick)))
142 || (server != cli_user(target)->server))
144 nh->nick[nh->nicklen] = '@';
145 relay_directed_message(sptr, nh->nick, nh->nick + nh->nicklen, text);
149 return send_reply(sptr, ERR_SERVICESDOWN, map->name);