X-Git-Url: http://git.pk910.de/?p=ircu2.10.12-pk.git;a=blobdiff_plain;f=ircd%2Fm_mode.c;fp=ircd%2Fm_mode.c;h=e85398d26646e57790efc55f261ebbaaeeb5e04f;hp=0000000000000000000000000000000000000000;hb=0400a5a6479398d82526785c18c0df8bc8b92dce;hpb=d17e10da972ce5776c60b4c317267c6abe0e1ead diff --git a/ircd/m_mode.c b/ircd/m_mode.c new file mode 100644 index 0000000..e85398d --- /dev/null +++ b/ircd/m_mode.c @@ -0,0 +1,254 @@ +/* + * IRC - Internet Relay Chat, ircd/m_mode.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_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 "handlers.h" +#include "channel.h" +#include "client.h" +#include "hash.h" +#include "ircd.h" +#include "ircd_features.h" +#include "ircd_log.h" +#include "ircd_reply.h" +#include "ircd_string.h" +#include "msg.h" +#include "numeric.h" +#include "numnicks.h" +#include "s_conf.h" +#include "s_debug.h" +#include "s_user.h" +#include "send.h" + +/* #include -- Now using assert in ircd_log.h */ +#include +#include + +int +m_mode(struct Client *cptr, struct Client *sptr, int parc, char *parv[]) +{ + struct Channel *chptr = 0; + struct ModeBuf mbuf; + struct Membership *member; + + if (parc < 2) + return need_more_params(sptr, "MODE"); + + if (!IsChannelName(parv[1]) || !(chptr = FindChannel(parv[1]))) + { + struct Client *acptr; + + acptr = FindUser(parv[1]); + if (!acptr) + { + send_reply(sptr, ERR_NOSUCHCHANNEL, parv[1]); + return 0; + } + else if (sptr != acptr) + { + send_reply(sptr, ERR_USERSDONTMATCH); + return 0; + } + return set_user_mode(cptr, sptr, parc, parv, ALLOWMODES_ANY); + } + + ClrFlag(sptr, FLAG_TS8); + + member = find_member_link(chptr, sptr); + + if (parc < 3) { + char modebuf[MODEBUFLEN]; + char parabuf[MODEBUFLEN]; + + *modebuf = *parabuf = '\0'; + modebuf[1] = '\0'; + channel_modes(sptr, modebuf, parabuf, sizeof(parabuf), chptr, member); + send_reply(sptr, RPL_CHANNELMODEIS, chptr->chname, modebuf, parabuf); + send_reply(sptr, RPL_CREATIONTIME, chptr->chname, chptr->creationtime); + return 0; + } + + if (!member || !IsChanOp(member)) { + if (IsLocalChannel(chptr->chname) && HasPriv(sptr, PRIV_MODE_LCHAN)) { + modebuf_init(&mbuf, sptr, cptr, chptr, + (MODEBUF_DEST_CHANNEL | /* Send mode to channel */ + MODEBUF_DEST_HACK4)); /* Send HACK(4) notice */ + mode_parse(&mbuf, cptr, sptr, chptr, parc - 2, parv + 2, + (MODE_PARSE_SET | /* Set the mode */ + MODE_PARSE_FORCE), /* Force it to take */ + member); + return modebuf_flush(&mbuf); + } else + mode_parse(0, cptr, sptr, chptr, parc - 2, parv + 2, + (member ? MODE_PARSE_NOTOPER : MODE_PARSE_NOTMEMBER), member); + return 0; + } + + modebuf_init(&mbuf, sptr, cptr, chptr, + (MODEBUF_DEST_CHANNEL | /* Send mode to channel */ + MODEBUF_DEST_SERVER)); /* Send mode to servers */ + mode_parse(&mbuf, cptr, sptr, chptr, parc - 2, parv + 2, MODE_PARSE_SET, member); + return modebuf_flush(&mbuf); +} + +int +ms_mode(struct Client *cptr, struct Client *sptr, int parc, char *parv[]) +{ + struct Channel *chptr = 0; + struct ModeBuf mbuf; + struct Membership *member; + + if (parc < 3) + return need_more_params(sptr, "MODE"); + + if (IsLocalChannel(parv[1])) + return 0; + + if (!(chptr = FindChannel(parv[1]))) + { + struct Client *acptr; + + acptr = FindUser(parv[1]); + if (!acptr) + { + return 0; + } + else if (sptr != acptr) + { + sendwallto_group_butone(&me, WALL_WALLOPS, 0, + "MODE for User %s from %s!%s", parv[1], + cli_name(cptr), cli_name(sptr)); + return 0; + } + return set_user_mode(cptr, sptr, parc, parv, ALLOWMODES_ANY); + } + + ClrFlag(sptr, FLAG_TS8); + + if (IsServer(sptr)) { + if (find_conf_byhost(cli_confs(cptr), cli_name(sptr), CONF_UWORLD)) + modebuf_init(&mbuf, sptr, cptr, chptr, + (MODEBUF_DEST_CHANNEL | /* Send mode to clients */ + MODEBUF_DEST_SERVER | /* Send mode to servers */ + MODEBUF_DEST_HACK4)); /* Send a HACK(4) message */ + else if (!feature_bool(FEAT_OPLEVELS)) + modebuf_init(&mbuf, sptr, cptr, chptr, + (MODEBUF_DEST_CHANNEL | /* Send mode to clients */ + MODEBUF_DEST_SERVER | /* Send mode to servers */ + MODEBUF_DEST_HACK3)); /* Send a HACK(3) message */ + else + /* Servers need to be able to op people who join using the Apass + * or upass, as well as people joining a zannel, therefore we do + * not generate HACK3 when oplevels are on. */ + modebuf_init(&mbuf, sptr, cptr, chptr, + (MODEBUF_DEST_CHANNEL | /* Send mode to clients */ + MODEBUF_DEST_SERVER)); /* Send mode to servers */ + + mode_parse(&mbuf, cptr, sptr, chptr, parc - 2, parv + 2, + (MODE_PARSE_SET | /* Set the mode */ + MODE_PARSE_STRICT | /* Interpret it strictly */ + MODE_PARSE_FORCE), /* And force it to be accepted */ + NULL); + } else { + if (!(member = find_member_link(chptr, sptr)) || !IsChanOp(member)) { + modebuf_init(&mbuf, sptr, cptr, chptr, + (MODEBUF_DEST_SERVER | /* Send mode to server */ + MODEBUF_DEST_HACK2 | /* Send a HACK(2) message */ + MODEBUF_DEST_DEOP | /* Deop the source */ + MODEBUF_DEST_BOUNCE)); /* And bounce the MODE */ + mode_parse(&mbuf, cptr, sptr, chptr, parc - 2, parv + 2, + (MODE_PARSE_STRICT | /* Interpret it strictly */ + MODE_PARSE_BOUNCE), /* And bounce the MODE */ + member); + } else { + modebuf_init(&mbuf, sptr, cptr, chptr, + (MODEBUF_DEST_CHANNEL | /* Send mode to clients */ + MODEBUF_DEST_SERVER)); /* Send mode to servers */ + mode_parse(&mbuf, cptr, sptr, chptr, parc - 2, parv + 2, + (MODE_PARSE_SET | /* Set the mode */ + MODE_PARSE_STRICT | /* Interpret it strictly */ + MODE_PARSE_FORCE), /* And force it to be accepted */ + member); + } + } + + return modebuf_flush(&mbuf); +}