mirror of
https://github.com/matrix-construct/construct
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207 lines
5.6 KiB
C
207 lines
5.6 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_part.c: Parts a user from a channel.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox 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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* $Id: m_part.c 98 2005-09-11 03:37:47Z nenolod $
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*/
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#include "stdinc.h"
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#include "channel.h"
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#include "client.h"
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#include "common.h"
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#include "hash.h"
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#include "match.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 "msg.h"
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#include "parse.h"
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#include "modules.h"
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#include "s_conf.h"
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#include "packet.h"
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#include "inline/stringops.h"
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#include "hook.h"
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static int m_part(struct Client *, struct Client *, int, const char **);
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struct Message part_msgtab = {
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"PART", 0, 0, 0, MFLG_SLOW,
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{mg_unreg, {m_part, 2}, {m_part, 2}, mg_ignore, mg_ignore, {m_part, 2}}
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};
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mapi_clist_av1 part_clist[] = { &part_msgtab, NULL };
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DECLARE_MODULE_AV1(part, NULL, NULL, part_clist, NULL, NULL, "$Revision: 98 $");
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static void part_one_client(struct Client *client_p,
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struct Client *source_p, char *name,
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const char *reason);
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static int can_send_part(struct Client *source_p, struct Channel *chptr, struct membership *msptr);
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static int do_message_hook(struct Client *source_p, struct Channel *chptr, const char **reason);
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/*
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** m_part
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** parv[1] = channel
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** parv[2] = reason
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*/
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static int
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m_part(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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char *p, *name;
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char reason[REASONLEN + 1];
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char *s = LOCAL_COPY(parv[1]);
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reason[0] = '\0';
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if(parc > 2)
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rb_strlcpy(reason, parv[2], sizeof(reason));
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name = rb_strtok_r(s, ",", &p);
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/* Finish the flood grace period... */
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if(MyClient(source_p) && !IsFloodDone(source_p))
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flood_endgrace(source_p);
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while(name)
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{
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part_one_client(client_p, source_p, name, reason);
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name = rb_strtok_r(NULL, ",", &p);
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}
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return 0;
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}
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/*
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* part_one_client
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*
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* inputs - pointer to server
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* - pointer to source client to remove
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* - char pointer of name of channel to remove from
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* output - none
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* side effects - remove ONE client given the channel name
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*/
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static void
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part_one_client(struct Client *client_p, struct Client *source_p, char *name, const char *reason)
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{
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struct Channel *chptr;
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struct membership *msptr;
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if((chptr = find_channel(name)) == NULL)
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{
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sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, form_str(ERR_NOSUCHCHANNEL), name);
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return;
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}
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msptr = find_channel_membership(chptr, source_p);
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if(msptr == NULL)
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{
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sendto_one_numeric(source_p, ERR_NOTONCHANNEL, form_str(ERR_NOTONCHANNEL), name);
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return;
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}
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if(MyConnect(source_p) && !IsOper(source_p) && !IsExemptSpambot(source_p))
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check_spambot_warning(source_p, NULL);
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/*
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* Remove user from the old channel (if any)
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* only allow /part reasons in -m chans
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*/
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if(!EmptyString(reason) &&
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(!MyConnect(source_p) ||
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(can_send_part(source_p, chptr, msptr) && do_message_hook(source_p, chptr, &reason))
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)
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)
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{
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sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
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":%s PART %s :%s", use_id(source_p), chptr->chname, reason);
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sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s PART %s :%s",
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source_p->name, source_p->username,
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source_p->host, chptr->chname, reason);
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}
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else
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{
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sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
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":%s PART %s", use_id(source_p), chptr->chname);
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sendto_channel_local(ALL_MEMBERS, 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(msptr);
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}
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/*
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* can_send_part - whether a part message can be sent.
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*
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* inputs:
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* - client parting
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* - channel being parted
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* - membership pointer
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* outputs:
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* - 1 if message allowed
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* - 0 if message denied
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* side effects:
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* - none.
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*/
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static int
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can_send_part(struct Client *source_p, struct Channel *chptr, struct membership *msptr)
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{
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if (!can_send(chptr, source_p, msptr))
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return 0;
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/* Allow chanops to bypass anti_spam_exit_message_time for part messages. */
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if (is_chanop(msptr))
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return 1;
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return (source_p->localClient->firsttime + ConfigFileEntry.anti_spam_exit_message_time) < rb_current_time();
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}
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/*
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* do_message_hook - execute the message hook on a part message reason.
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*
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* inputs:
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* - client parting
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* - channel being parted
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* - pointer to reason
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* outputs:
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* - 1 if message is allowed
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* - 0 if message is denied or message is now empty
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* side effects:
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* - reason may be modified.
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*/
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static int
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do_message_hook(struct Client *source_p, struct Channel *chptr, const char **reason)
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{
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hook_data_privmsg_channel hdata;
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hdata.msgtype = MESSAGE_TYPE_PART;
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hdata.source_p = source_p;
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hdata.chptr = chptr;
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hdata.text = *reason;
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hdata.approved = 0;
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call_hook(h_privmsg_channel, &hdata);
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/* The reason may have been changed by a hook... */
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*reason = hdata.text;
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return (hdata.approved == 0 && !EmptyString(*reason));
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}
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