/* * IRC - Internet Relay Chat, ircd/m_privmsg.c * Copyright (C) 1990 Jarkko Oikarinen and * University of Oulu, Computing Center * * See file AUTHORS in IRC package for additional names of * the programmers. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 1, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * $Id: m_privmsg.c 579 2003-11-21 04:39:57Z r33d $ */ /* * m_functions execute protocol messages on this server: * * cptr is always NON-NULL, pointing to a *LOCAL* client * structure (with an open socket connected!). This * identifies the physical socket where the message * originated (or which caused the m_function to be * executed--some m_functions may call others...). * * sptr is the source of the message, defined by the * prefix part of the message if present. If not * or prefix not found, then sptr==cptr. * * (!IsServer(cptr)) => (cptr == sptr), because * prefixes are taken *only* from servers... * * (IsServer(cptr)) * (sptr == cptr) => the message didn't * have the prefix. * * (sptr != cptr && IsServer(sptr) means * the prefix specified servername. (?) * * (sptr != cptr && !IsServer(sptr) means * that message originated from a remote * user (not local). * * combining * * (!IsServer(sptr)) means that, sptr can safely * taken as defining the target structure of the * message in this server. * * *Always* true (if 'parse' and others are working correct): * * 1) sptr->from == cptr (note: cptr->from == cptr) * * 2) MyConnect(sptr) <=> sptr == cptr (e.g. sptr * *cannot* be a local connection, unless it's * actually cptr!). [MyConnect(x) should probably * be defined as (x == x->from) --msa ] * * parc number of variable parameter strings (if zero, * parv is allowed to be NULL) * * parv a NULL terminated list of parameter pointers, * * parv[0], sender (prefix string), if not present * this points to an empty string. * parv[1]...parv[parc-1] * pointers to additional parameters * parv[parc] == NULL, *always* * * note: it is guaranteed that parv[0]..parv[parc-1] are all * non-NULL pointers. */ #include "config.h" #include "client.h" #include "ircd.h" #include "ircd_chattr.h" #include "ircd_features.h" #include "ircd_relay.h" #include "ircd_reply.h" #include "ircd_string.h" #include "match.h" #include "msg.h" #include "numeric.h" #include "send.h" #include #include /* * m_privmsg - generic message handler */ int m_privmsg(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) { char* name; char* server; int i; int count; char* vector[MAXTARGETS]; assert(0 != cptr); assert(cptr == sptr); assert(0 != cli_user(sptr)); ClrFlag(sptr, FLAG_TS8); if (feature_bool(FEAT_IDLE_FROM_MSG)) cli_user(sptr)->last = CurrentTime; if (parc < 2 || EmptyString(parv[1])) return send_reply(sptr, ERR_NORECIPIENT, MSG_PRIVATE); if (parc < 3 || EmptyString(parv[parc - 1])) return send_reply(sptr, ERR_NOTEXTTOSEND); count = unique_name_vector(parv[1], ',', vector, MAXTARGETS); for (i = 0; i < count; ++i) { name = vector[i]; /* * channel msg? */ if (IsChannelPrefix(*name)) { relay_channel_message(sptr, name, parv[parc - 1], count); } /* * we have to check for the '@' at least once no matter what we do * handle it first so we don't have to do it twice */ else if ((server = strchr(name, '@'))) relay_directed_message(sptr, name, server, parv[parc - 1]); else relay_private_message(sptr, name, parv[parc - 1]); } return 0; } /* * ms_privmsg - server message handler */ int ms_privmsg(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) { char* name; char* server; ClrFlag(sptr, FLAG_TS8); if (parc < 3) { /* * we can't deliver it, sending an error back is pointless */ return 0; } name = parv[1]; /* * channel msg? */ if (IsChannelPrefix(*name)) { server_relay_channel_message(sptr, name, parv[parc - 1]); } /* * coming from another server, we have to check this here */ else if ('$' == *name && IsOper(sptr)) { server_relay_masked_message(sptr, name, parv[parc - 1]); } else if ((server = strchr(name, '@'))) { /* * XXX - can't get away with not doing everything * relay_directed_message has to do */ relay_directed_message(sptr, name, server, parv[parc - 1]); } else { server_relay_private_message(sptr, name, parv[parc - 1]); } return 0; } /* * mo_privmsg - oper message handler */ int mo_privmsg(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) { char* name; char* server; int i; int count; char* vector[MAXTARGETS]; assert(0 != cptr); assert(cptr == sptr); assert(0 != cli_user(sptr)); ClrFlag(sptr, FLAG_TS8); if (feature_bool(FEAT_IDLE_FROM_MSG)) cli_user(sptr)->last = CurrentTime; if (parc < 2 || EmptyString(parv[1])) return send_reply(sptr, ERR_NORECIPIENT, MSG_PRIVATE); if (parc < 3 || EmptyString(parv[parc - 1])) return send_reply(sptr, ERR_NOTEXTTOSEND); count = unique_name_vector(parv[1], ',', vector, MAXTARGETS); for (i = 0; i < count; ++i) { name = vector[i]; /* * channel msg? */ if (IsChannelPrefix(*name)) relay_channel_message(sptr, name, parv[parc - 1], count); else if (*name == '$') relay_masked_message(sptr, name, parv[parc - 1]); else if ((server = strchr(name, '@'))) relay_directed_message(sptr, name, server, parv[parc - 1]); else relay_private_message(sptr, name, parv[parc - 1]); } return 0; }