X-Git-Url: http://git.pk910.de/?p=ircu2.10.12-pk.git;a=blobdiff_plain;f=ircd%2Fm_invite.c;fp=ircd%2Fm_invite.c;h=2479753dd5f152f304cf6777d168b063c979ae68;hp=0000000000000000000000000000000000000000;hb=0400a5a6479398d82526785c18c0df8bc8b92dce;hpb=d17e10da972ce5776c60b4c317267c6abe0e1ead diff --git a/ircd/m_invite.c b/ircd/m_invite.c new file mode 100644 index 0000000..2479753 --- /dev/null +++ b/ircd/m_invite.c @@ -0,0 +1,303 @@ +/* + * IRC - Internet Relay Chat, ircd/m_invite.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 "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 "list.h" +#include "msg.h" +#include "numeric.h" +#include "numnicks.h" +#include "s_user.h" +#include "send.h" +#include "struct.h" + +/* #include -- Now using assert in ircd_log.h */ + +/* + * m_invite - generic message handler + * + * parv[0] - sender prefix + * parv[1] - user to invite + * parv[2] - channel name + * + * - INVITE now is accepted only if who does it is chanop (this of course + * implies that channel must exist and he must be on it). + * + * - On the other side it IS processed even if channel is NOT invite only + * leaving room for other enhancements like inviting banned ppl. -- Nemesi + * + * - Invite with no parameters now lists the channels you are invited to. + * - Isomer 23 Oct 99 + */ +int m_invite(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) +{ + struct Client *acptr; + struct Channel *chptr; + + if (parc < 2 ) { + /* + * list the channels you have an invite to. + */ + struct SLink *lp; + for (lp = cli_user(sptr)->invited; lp; lp = lp->next) + send_reply(cptr, RPL_INVITELIST, lp->value.chptr->chname); + send_reply(cptr, RPL_ENDOFINVITELIST); + return 0; + } + + if (parc < 3 || EmptyString(parv[2])) + return need_more_params(sptr, "INVITE"); + + if (!(acptr = FindUser(parv[1]))) { + send_reply(sptr, ERR_NOSUCHNICK, parv[1]); + return 0; + } + + if (is_silenced(sptr, acptr)) + return 0; + + if (!IsChannelName(parv[2]) + || !strIsIrcCh(parv[2]) + || !(chptr = FindChannel(parv[2]))) { + send_reply(sptr, ERR_NOSUCHCHANNEL, parv[2]); + return 0; + } + + if (!find_channel_member(sptr, chptr)) { + send_reply(sptr, ERR_NOTONCHANNEL, chptr->chname); + return 0; + } + + if (find_channel_member(acptr, chptr)) { + send_reply(sptr, ERR_USERONCHANNEL, cli_name(acptr), chptr->chname); + return 0; + } + + if (!is_chan_op(sptr, chptr)) { + send_reply(sptr, ERR_CHANOPRIVSNEEDED, chptr->chname); + return 0; + } + + /* If we get here, it was a VALID and meaningful INVITE */ + + if (check_target_limit(sptr, acptr, cli_name(acptr), 0)) + return 0; + + send_reply(sptr, RPL_INVITING, cli_name(acptr), chptr->chname); + + if (cli_user(acptr)->away) + send_reply(sptr, RPL_AWAY, cli_name(acptr), cli_user(acptr)->away); + + if (MyConnect(acptr)) { + add_invite(acptr, chptr); + sendcmdto_one(sptr, CMD_INVITE, acptr, "%s %H", cli_name(acptr), chptr); + } else if (!IsLocalChannel(chptr->chname)) { + sendcmdto_one(sptr, CMD_INVITE, acptr, "%s %H %Tu", cli_name(acptr), chptr, + chptr->creationtime); + } + + if (!IsLocalChannel(chptr->chname) || MyConnect(acptr)) { + if (feature_bool(FEAT_ANNOUNCE_INVITES)) { + /* Announce to channel operators. */ + sendcmdto_channel_butserv_butone(&his, get_error_numeric(RPL_ISSUEDINVITE)->str, + NULL, chptr, sptr, SKIP_NONOPS, + "%H %C %C :%C has been invited by %C", + chptr, acptr, sptr, acptr, sptr); + /* Announce to servers with channel operators. */ + sendcmdto_channel_servers_butone(sptr, NULL, TOK_INVITE, chptr, acptr, SKIP_NONOPS, + "%s %H %Tu", cli_name(acptr), + chptr, chptr->creationtime); + } + } + + return 0; +} + +/* + * ms_invite - server message handler + * + * parv[0] - sender prefix + * parv[1] - user to invite + * parv[2] - channel name + * parv[3] - (optional) channel timestamp + * + * - INVITE now is accepted only if who does it is chanop (this of course + * implies that channel must exist and he must be on it). + * + * - On the other side it IS processed even if channel is NOT invite only + * leaving room for other enhancements like inviting banned ppl. -- Nemesi + * + * - Invite with no parameters now lists the channels you are invited to. + * - Isomer 23 Oct 99 + * + * - Invite with too-late timestamp, or with no timestamp from a bursting + * server, is silently discarded. - Entrope 19 Jan 05 + */ +int ms_invite(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) +{ + struct Client *acptr; + struct Channel *chptr; + time_t invite_ts; + + if (IsServer(sptr)) { + /* + * this will blow up if we get an invite from a server + * we look for channel membership in sptr below. + */ + return protocol_violation(sptr,"Server attempting to invite"); + } + if (parc < 3 || EmptyString(parv[2])) { + /* + * should have been handled upstream, ignore it. + */ + protocol_violation(sptr,"Too few arguments to invite"); + return need_more_params(sptr,"INVITE"); + } + if (!IsGlobalChannel(parv[2])) { + /* + * should not be sent + */ + return protocol_violation(sptr, "Invite to a non-standard channel %s",parv[2]); + } + if (!(acptr = FindUser(parv[1]))) { + send_reply(sptr, ERR_NOSUCHNICK, parv[1]); + return 0; + } + + if (!(chptr = FindChannel(parv[2]))) { + /* + * allow invites to non existent channels, bleah + * avoid JOIN, INVITE, PART abuse + */ + sendcmdto_one(sptr, CMD_INVITE, acptr, "%C :%s", acptr, parv[2]); + return 0; + } + + if (parc > 3) { + invite_ts = atoi(parv[3]); + if (invite_ts > chptr->creationtime) + return 0; + } else if (IsBurstOrBurstAck(cptr)) + return 0; + + if (!IsChannelService(sptr) && !find_channel_member(sptr, chptr)) { + send_reply(sptr, ERR_NOTONCHANNEL, chptr->chname); + return 0; + } + + if (find_channel_member(acptr, chptr)) { + send_reply(sptr, ERR_USERONCHANNEL, cli_name(acptr), chptr->chname); + return 0; + } + + if (is_silenced(sptr, acptr)) + return 0; + + if (MyConnect(acptr)) { + add_invite(acptr, chptr); + sendcmdto_one(sptr, CMD_INVITE, acptr, "%s %H", cli_name(acptr), chptr); + } else { + sendcmdto_one(sptr, CMD_INVITE, acptr, "%s %H %Tu", cli_name(acptr), chptr, + chptr->creationtime); + } + + if (feature_bool(FEAT_ANNOUNCE_INVITES)) { + /* Announce to channel operators. */ + sendcmdto_channel_butserv_butone(&his, get_error_numeric(RPL_ISSUEDINVITE)->str, + NULL, chptr, sptr, SKIP_NONOPS, + "%H %C %C :%C has been invited by %C", + chptr, acptr, sptr, acptr, sptr); + /* Announce to servers with channel operators. */ + sendcmdto_channel_servers_butone(sptr, NULL, TOK_INVITE, chptr, acptr, SKIP_NONOPS, + "%s %H %Tu", cli_name(acptr), chptr, + chptr->creationtime); + } + + return 0; +}