324 lines
9.4 KiB
C
324 lines
9.4 KiB
C
/*
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* IRC - Internet Relay Chat, contrib/m_clearchan.c
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* Copyright (C) 2002 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 1, or (at your option)
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* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: m_clearchan.c,v 1.4 2002/09/26 13:56:13 fishwaldo Exp $
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*/
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#include "stdinc.h"
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#include "tools.h"
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#include "handlers.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 "ircd.h"
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#include "numeric.h"
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#include "s_log.h"
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#include "s_serv.h"
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#include "send.h"
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#include "whowas.h"
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#include "irc_string.h"
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#include "hash.h"
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#include "msg.h"
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#include "parse.h"
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#include "modules.h"
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#include "list.h"
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#define MSG_CLEARCHAN "CLEARCHAN"
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extern BlockHeap *ban_heap;
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static void mo_clearchan(struct Client *client_p, struct Client *source_p,
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int parc, char *parv[]);
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static void kick_list(struct Client *client_p, struct Client *source_p, struct Channel *chptr,
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dlink_list *list,char *chname);
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static void remove_our_modes(int type,
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struct Channel *chptr, struct Channel *top_chptr,
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struct Client *source_p);
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static void remove_a_mode(int hide_or_not,
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struct Channel *chptr, struct Channel *top_chptr,
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struct Client *source_p, dlink_list *list, char flag);
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static void free_channel_list(dlink_list *list);
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static char *mbuf;
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struct Message clearchan_msgtab = {
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MSG_CLEARCHAN, 0, 0, 2, 0, MFLG_SLOW, 0,
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{m_unregistered, m_not_oper, m_ignore, mo_clearchan}
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};
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void
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_modinit(void)
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{
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mod_add_cmd(&clearchan_msgtab);
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}
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void
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_moddeinit(void)
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{
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mod_del_cmd(&clearchan_msgtab);
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}
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char *_version = "$Revision: 1.4 $";
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/*
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** mo_clearchan
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** parv[0] = sender prefix
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** parv[1] = channel
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*/
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static void mo_clearchan(struct Client *client_p, struct Client *source_p,
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int parc, char *parv[])
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{
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struct Channel *chptr, *root_chptr;
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/* admins only */
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if (!IsOperAdmin(source_p))
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{
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sendto_one(source_p, ":%s NOTICE %s :You have no A flag", me.name, parv[0]);
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return;
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}
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/* XXX - we might not have CBURSTed this channel if we are a lazylink
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* yet. */
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chptr= hash_find_channel(parv[1]);
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root_chptr = chptr;
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if( chptr == NULL )
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{
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sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
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me.name, parv[0], parv[1]);
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return;
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}
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if(IsMember(source_p, chptr))
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{
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sendto_one(source_p, ":%s NOTICE %s :*** Please part %s before using CLEARCHAN",
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me.name, source_p->name, parv[1]);
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return;
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}
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sendto_wallops_flags(FLAGS_WALLOP, &me,
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"CLEARCHAN called for [%s] by %s!%s@%s",
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parv[1], source_p->name, source_p->username, source_p->vhost);
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sendto_server(NULL, source_p, NULL, NOCAPS, NOCAPS, LL_ICLIENT,
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":%s WALLOPS :CLEARCHAN called for [%s] by %s!%s@%s",
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me.name, parv[1], source_p->name, source_p->username,
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source_p->vhost);
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ilog(L_NOTICE, "CLEARCHAN called for [%s] by %s!%s@%s",
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parv[1], source_p->name, source_p->username, source_p->host);
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/* Kill all the modes we have about the channel.. making everyone a peon */
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remove_our_modes(0, chptr, root_chptr, source_p);
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/* SJOIN the user to give them ops, and lock the channel */
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sendto_server(client_p, source_p, chptr, NOCAPS, NOCAPS,
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LL_ICLIENT, ":%s SJOIN %lu %s +ntsi :!%s",
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me.name, (unsigned long) (chptr->channelts - 1),
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chptr->chname, source_p->name);
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sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN %s",
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source_p->name,
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source_p->username,
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source_p->vhost,
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root_chptr->chname);
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sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s +a %s",
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me.name, chptr->chname, source_p->name);
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add_user_to_channel(chptr, source_p, CHFL_ADMIN);
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/* Take the TS down by 1, so we don't see the channel taken over
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* again. */
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if (chptr->channelts)
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chptr->channelts--;
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chptr->mode.mode =
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MODE_SECRET | MODE_TOPICLIMIT | MODE_INVITEONLY | MODE_NOPRIVMSGS;
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free_topic(chptr);
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chptr->mode.key[0] = 0;
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/* Kick the users out and join the oper */
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kick_list(client_p, source_p, chptr, &chptr->peons, chptr->chname);
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}
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void kick_list(struct Client *client_p, struct Client *source_p, struct Channel *chptr,
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dlink_list *list,char *chname)
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{
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struct Client *who;
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dlink_node *m;
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dlink_node *next_m;
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sendto_one(source_p, ":%s!%s@%s JOIN %s",
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source_p->name,
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source_p->username,
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source_p->vhost,
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chname);
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channel_member_names(source_p, chptr, chname, 1);
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for (m = list->head; m; m = next_m)
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{
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next_m = m->next;
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who = m->data;
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sendto_channel_local(ALL_MEMBERS, chptr,
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":%s KICK %s %s :CLEARCHAN",
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source_p->name, chname, who->name);
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sendto_server(NULL, source_p, chptr, NOCAPS, NOCAPS, LL_ICLIENT,
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":%s KICK %s %s :CLEARCHAN", source_p->name,
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chname, who->name);
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remove_user_from_channel(chptr, who);
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}
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}
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/*
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* remove_our_modes
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*
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* inputs - hide from ops or not int flag
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* - pointer to channel to remove modes from
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* - if vchan basechannel pointer
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* - client pointer
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* output - NONE
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* side effects - Go through the local members, remove all their
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* chanop modes etc., this side lost the TS.
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*/
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static void remove_our_modes( int hide_or_not,
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struct Channel *chptr, struct Channel *top_chptr,
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struct Client *source_p)
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{
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remove_a_mode(hide_or_not, chptr, top_chptr, source_p, &chptr->chanadmins, 'a');
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remove_a_mode(hide_or_not, chptr, top_chptr, source_p, &chptr->chanops, 'o');
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remove_a_mode(hide_or_not, chptr, top_chptr, source_p, &chptr->halfops, 'h');
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remove_a_mode(hide_or_not, chptr, top_chptr, source_p, &chptr->voiced, 'v');
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/* Move all voice/ops etc. to non opped list */
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dlinkMoveList(&chptr->chanadmins, &chptr->peons);
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dlinkMoveList(&chptr->chanops, &chptr->peons);
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dlinkMoveList(&chptr->halfops, &chptr->peons);
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dlinkMoveList(&chptr->voiced, &chptr->peons);
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dlinkMoveList(&chptr->locchanadmins, &chptr->locchanadmins);
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dlinkMoveList(&chptr->locchanops, &chptr->locpeons);
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dlinkMoveList(&chptr->lochalfops, &chptr->locpeons);
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dlinkMoveList(&chptr->locvoiced, &chptr->locpeons);
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/* Clear all +beI modes */
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free_channel_list(&chptr->banlist);
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free_channel_list(&chptr->exceptlist);
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free_channel_list(&chptr->invexlist);
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chptr->banlist.head = chptr->exceptlist.head = chptr->invexlist.head = NULL;
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chptr->banlist.tail = chptr->exceptlist.tail = chptr->invexlist.tail = NULL;
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}
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/*
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* remove_a_mode
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*
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* inputs -
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* output - NONE
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* side effects - remove ONE mode from a channel
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*/
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static void remove_a_mode( int hide_or_not,
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struct Channel *chptr, struct Channel *top_chptr,
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struct Client *source_p, dlink_list *list, char flag)
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{
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dlink_node *ptr;
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struct Client *target_p;
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char buf[BUFSIZE];
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char lmodebuf[MODEBUFLEN];
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char *lpara[MAXMODEPARAMS];
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char *chname;
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int count = 0;
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mbuf = lmodebuf;
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*mbuf++ = '-';
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lpara[0] = lpara[1] = lpara[2] = lpara[3] = "";
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chname = chptr->chname;
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ircsprintf(buf,":%s MODE %s ", me.name, chname);
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for (ptr = list->head; ptr && ptr->data; ptr = ptr->next)
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{
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target_p = ptr->data;
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lpara[count++] = target_p->name;
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*mbuf++ = flag;
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if (count >= MAXMODEPARAMS)
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{
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*mbuf = '\0';
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sendto_channel_local(hide_or_not, chptr,
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":%s MODE %s %s %s %s %s %s",
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me.name,
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chname,
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lmodebuf,
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lpara[0], lpara[1], lpara[2], lpara[3] );
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mbuf = lmodebuf;
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*mbuf++ = '-';
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count = 0;
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lpara[0] = lpara[1] = lpara[2] = lpara[3] = "";
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}
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}
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if(count != 0)
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{
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*mbuf = '\0';
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sendto_channel_local(hide_or_not, chptr,
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":%s MODE %s %s %s %s %s %s",
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me.name,
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chname,
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lmodebuf,
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lpara[0], lpara[1], lpara[2], lpara[3] );
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}
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}
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/*
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* free_channel_list
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*
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* inputs - pointer to dlink_list
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* output - NONE
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* side effects -
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*/
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static void free_channel_list(dlink_list *list)
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{
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dlink_node *ptr;
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dlink_node *next_ptr;
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struct Ban *actualBan;
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for (ptr = list->head; ptr; ptr = next_ptr)
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{
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next_ptr = ptr->next;
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actualBan = ptr->data;
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MyFree(actualBan->banstr);
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MyFree(actualBan->who);
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BlockHeapFree(ban_heap, actualBan);
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free_dlink_node(ptr);
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}
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}
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