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/* |
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* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
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* |
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* Copyright (c) 2014 ircd-hybrid development team |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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*/ |
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|
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/*! \file m_svsjoin.c |
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* \brief Includes required functions for processing the SVSJOIN command. |
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* \version $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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#include "list.h" |
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#include "channel.h" |
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#include "channel_mode.h" |
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#include "client.h" |
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#include "hash.h" |
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#include "irc_string.h" |
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#include "ircd.h" |
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#include "numeric.h" |
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#include "send.h" |
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#include "s_serv.h" |
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#include "conf.h" |
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#include "parse.h" |
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#include "modules.h" |
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#include "resv.h" |
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|
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|
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/* do_join_0() |
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* |
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* inputs - pointer to client doing join 0 |
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* output - NONE |
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* side effects - Use has decided to join 0. This is legacy |
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* from the days when channels were numbers not names. *sigh* |
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* There is a bunch of evilness necessary here due to |
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* anti spambot code. |
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*/ |
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static void |
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do_join_0(struct Client *source_p) |
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{ |
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dlink_node *ptr = NULL, *ptr_next = NULL; |
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|
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DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->channel.head) |
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{ |
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struct Channel *chptr = ((struct Membership *)ptr->data)->chptr; |
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|
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sendto_server(source_p, NOCAPS, NOCAPS, ":%s PART %s", |
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source_p->id, chptr->chname); |
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sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s PART %s", |
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source_p->name, source_p->username, |
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source_p->host, chptr->chname); |
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|
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remove_user_from_channel(ptr->data); |
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} |
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} |
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|
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/* last0() stolen from ircu */ |
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static char * |
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last0(struct Client *target_p, char *chanlist) |
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{ |
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char *p; |
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int join0 = 0; |
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|
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for (p = chanlist; *p; ++p) /* find last "JOIN 0" */ |
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{ |
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if (*p == '0' && (*(p + 1) == ',' || *(p + 1) == '\0')) |
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{ |
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if ((*p + 1) == ',') |
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++p; |
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|
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chanlist = p + 1; |
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join0 = 1; |
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} |
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else |
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{ |
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while (*p != ',' && *p != '\0') /* skip past channel name */ |
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++p; |
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|
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if (*p == '\0') /* hit the end */ |
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break; |
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} |
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} |
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|
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if (join0) |
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do_join_0(target_p); |
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|
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return chanlist; |
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} |
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|
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/*! \brief SVSJOIN command handler |
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* |
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* \param source_p Pointer to allocated Client struct from which the message |
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* originally comes from. This can be a local or remote client. |
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* \param parc Integer holding the number of supplied arguments. |
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* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL |
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* pointers. |
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* \note Valid arguments for this command are: |
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* - parv[0] = command |
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* - parv[1] = nickname |
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* - parv[2] = channel |
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* - parv[3] = channel password (key) |
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*/ |
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static int |
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ms_svsjoin(struct Client *source_p, int parc, char *parv[]) |
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{ |
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char *p = NULL; |
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char *key_list = NULL; |
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char *chan_list = NULL; |
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char *chan = NULL; |
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struct Channel *chptr = NULL; |
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struct MaskItem *conf = NULL; |
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struct Client *target_p = NULL; |
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int i = 0; |
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unsigned int flags = 0; |
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|
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if (!HasFlag(source_p, FLAGS_SERVICE)) |
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return 0; |
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|
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if (EmptyString(parv[2])) |
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return 0; |
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|
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if ((target_p = find_person(source_p, parv[1])) == NULL) |
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return 0; |
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|
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if (target_p->from == source_p->from) |
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{ |
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sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE, |
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"Received wrong-direction SVSJOIN " |
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"for %s (behind %s) from %s", |
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target_p->name, source_p->from->name, |
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get_client_name(source_p, HIDE_IP)); |
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return 0; |
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} |
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|
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if (!MyConnect(target_p)) |
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{ |
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if (parc == 3) |
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sendto_one(target_p, ":%s SVSJOIN %s %s", source_p->id, |
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target_p->id, parv[2]); |
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else |
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sendto_one(target_p, ":%s SVSJOIN %s %s %s", source_p->id, |
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target_p->id, parv[2], parv[3]); |
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return 0; |
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} |
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|
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key_list = parv[3]; |
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chan_list = last0(target_p, parv[2]); |
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|
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for (chan = strtoken(&p, chan_list, ","); chan; |
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chan = strtoken(&p, NULL, ",")) |
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{ |
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const char *key = NULL; |
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|
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/* If we have any more keys, take the first for this channel. */ |
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if (!EmptyString(key_list) && (key_list = strchr(key = key_list, ','))) |
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*key_list++ = '\0'; |
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|
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/* Empty keys are the same as no keys. */ |
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if (key && *key == '\0') |
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key = NULL; |
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|
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if (!check_channel_name(chan, 1)) |
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{ |
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sendto_one_numeric(target_p, &me, ERR_BADCHANNAME, chan); |
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continue; |
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} |
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|
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if (!IsExemptResv(target_p) && |
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!(HasUMode(target_p, UMODE_OPER) && ConfigFileEntry.oper_pass_resv) && |
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((conf = match_find_resv(chan)) && !resv_find_exempt(target_p, conf))) |
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{ |
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++conf->count; |
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sendto_one_numeric(target_p, &me, ERR_CHANBANREASON, |
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chan, conf->reason ? conf->reason : "Reserved channel"); |
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sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE, |
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"Forbidding reserved channel %s from user %s", |
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chan, get_client_name(target_p, HIDE_IP)); |
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continue; |
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} |
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|
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if (dlink_list_length(&target_p->channel) >= |
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(HasUMode(target_p, UMODE_OPER) ? |
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ConfigChannel.max_chans_per_oper : |
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ConfigChannel.max_chans_per_user)) |
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{ |
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sendto_one_numeric(target_p, &me, ERR_TOOMANYCHANNELS, chan); |
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break; |
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} |
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|
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if ((chptr = hash_find_channel(chan)) != NULL) |
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{ |
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if (IsMember(target_p, chptr)) |
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continue; |
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|
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if (splitmode && !HasUMode(target_p, UMODE_OPER) && |
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ConfigChannel.no_join_on_split) |
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{ |
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sendto_one_numeric(target_p, &me, ERR_UNAVAILRESOURCE, chan); |
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continue; |
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} |
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|
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/* |
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* can_join checks for +i key, bans. |
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*/ |
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if ((i = can_join(target_p, chptr, key))) |
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{ |
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sendto_one_numeric(target_p, &me, i, chptr->chname); |
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continue; |
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} |
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|
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/* |
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* This should never be the case unless there is some sort of |
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* persistant channels. |
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*/ |
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if (dlink_list_length(&chptr->members) == 0) |
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flags = CHFL_CHANOP; |
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else |
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flags = 0; |
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} |
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else |
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{ |
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if (splitmode && !HasUMode(target_p, UMODE_OPER) && |
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(ConfigChannel.no_create_on_split || ConfigChannel.no_join_on_split)) |
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{ |
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sendto_one_numeric(target_p, &me, ERR_UNAVAILRESOURCE, chan); |
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continue; |
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} |
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|
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flags = CHFL_CHANOP; |
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chptr = make_channel(chan); |
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} |
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|
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add_user_to_channel(chptr, target_p, flags, 1); |
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|
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/* |
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* Set timestamp if appropriate, and propagate |
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*/ |
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if (flags & CHFL_CHANOP) |
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{ |
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chptr->channelts = CurrentTime; |
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chptr->mode.mode |= MODE_TOPICLIMIT; |
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chptr->mode.mode |= MODE_NOPRIVMSGS; |
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|
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sendto_server(target_p, NOCAPS, NOCAPS, ":%s SJOIN %lu %s +nt :@%s", |
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me.id, (unsigned long)chptr->channelts, |
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chptr->chname, target_p->id); |
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/* |
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* notify all other users on the new channel |
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*/ |
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sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s JOIN :%s", |
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target_p->name, target_p->username, |
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target_p->host, chptr->chname); |
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sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s MODE %s +nt", |
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me.name, chptr->chname); |
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if (target_p->away[0]) |
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sendto_channel_local_butone(target_p, 0, CAP_AWAY_NOTIFY, chptr, |
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":%s!%s@%s AWAY :%s", |
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target_p->name, target_p->username, |
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target_p->host, target_p->away); |
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} |
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else |
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{ |
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sendto_server(target_p, NOCAPS, NOCAPS, ":%s JOIN %lu %s +", |
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target_p->id, (unsigned long)chptr->channelts, |
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chptr->chname); |
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|
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sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s JOIN :%s", |
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target_p->name, target_p->username, |
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target_p->host, chptr->chname); |
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|
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if (target_p->away[0]) |
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sendto_channel_local_butone(target_p, 0, CAP_AWAY_NOTIFY, chptr, |
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":%s!%s@%s AWAY :%s", |
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target_p->name, target_p->username, |
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target_p->host, target_p->away); |
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} |
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|
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del_invite(chptr, target_p); |
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|
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if (chptr->topic[0]) |
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{ |
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sendto_one_numeric(target_p, &me, RPL_TOPIC, chptr->chname, chptr->topic); |
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sendto_one_numeric(target_p, &me, RPL_TOPICWHOTIME, chptr->chname, |
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chptr->topic_info, chptr->topic_time); |
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} |
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|
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channel_member_names(target_p, chptr, 1); |
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} |
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|
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return 0; |
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} |
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|
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static struct Message svsjoin_msgtab = { |
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"SVSJOIN", 0, 0, 3, MAXPARA, MFLG_SLOW, 0, |
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{ m_unregistered, m_ignore, ms_svsjoin, m_ignore, m_ignore, m_ignore } |
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}; |
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|
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static void |
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module_init(void) |
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{ |
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mod_add_cmd(&svsjoin_msgtab); |
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} |
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|
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static void |
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module_exit(void) |
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{ |
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mod_del_cmd(&svsjoin_msgtab); |
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} |
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|
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struct module module_entry = { |
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.node = { NULL, NULL, NULL }, |
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.name = NULL, |
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.version = "$Revision$", |
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.handle = NULL, |
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.modinit = module_init, |
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.modexit = module_exit, |
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.flags = MODULE_FLAG_CORE |
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}; |
