mirror of
https://github.com/matrix-construct/construct
synced 2024-09-07 09:15:19 +02:00
While functionally compatible with the implementation in ElementalIRCd, our approach is different, specifically pre-calculating the bitmask at config load time. This is more efficient, and allows us to report errors as part of the configuration phase.
1342 lines
32 KiB
C
1342 lines
32 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_join.c: Joins 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_join.c 3494 2007-05-27 13:07:27Z jilles $
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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 "s_conf.h"
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#include "s_newconf.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 "packet.h"
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#include "chmode.h"
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#include "ratelimit.h"
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#include "s_assert.h"
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static int m_join(struct Client *, struct Client *, int, const char **);
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static int ms_join(struct Client *, struct Client *, int, const char **);
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static int ms_sjoin(struct Client *, struct Client *, int, const char **);
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static int h_can_create_channel;
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static int h_channel_join;
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struct Message join_msgtab = {
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"JOIN", 0, 0, 0, MFLG_SLOW,
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{mg_unreg, {m_join, 2}, {ms_join, 2}, mg_ignore, mg_ignore, {m_join, 2}}
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};
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struct Message sjoin_msgtab = {
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"SJOIN", 0, 0, 0, MFLG_SLOW,
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{mg_unreg, mg_ignore, mg_ignore, {ms_sjoin, 4}, mg_ignore, mg_ignore}
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};
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mapi_clist_av1 join_clist[] = { &join_msgtab, &sjoin_msgtab, NULL };
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mapi_hlist_av1 join_hlist[] = {
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{ "can_create_channel", &h_can_create_channel },
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{ "channel_join", &h_channel_join },
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{ NULL, NULL },
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};
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DECLARE_MODULE_AV1(join, NULL, NULL, join_clist, join_hlist, NULL, "$Revision: 3494 $");
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static void do_join_0(struct Client *client_p, struct Client *source_p);
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static int check_channel_name_loc(struct Client *source_p, const char *name);
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static void send_join_error(struct Client *source_p, int numeric, const char *name);
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static void set_final_mode(struct Mode *mode, struct Mode *oldmode);
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static void remove_our_modes(struct Channel *chptr, struct Client *source_p);
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static void remove_ban_list(struct Channel *chptr, struct Client *source_p,
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rb_dlink_list * list, char c, int mems);
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static char modebuf[MODEBUFLEN];
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static char parabuf[MODEBUFLEN];
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static const char *para[MAXMODEPARAMS];
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static char *mbuf;
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static int pargs;
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/* Check what we will forward to, without sending any notices to the user
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* -- jilles
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*/
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static struct Channel *
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check_forward(struct Client *source_p, struct Channel *chptr,
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char *key, int *err)
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{
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int depth = 0, i;
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const char *next = NULL;
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/* The caller (m_join) is only interested in the reason
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* for the original channel.
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*/
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if ((*err = can_join(source_p, chptr, key, &next)) == 0)
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return chptr;
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/* User is +Q, or forwarding disabled */
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if (IsNoForward(source_p) || !ConfigChannel.use_forward)
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return NULL;
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while (depth < 16)
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{
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if (next == NULL)
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return NULL;
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chptr = find_channel(next);
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/* Can only forward to existing channels */
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if (chptr == NULL)
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return NULL;
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/* Already on there, show original error message */
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if (IsMember(source_p, chptr))
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return NULL;
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/* Juped. Sending a warning notice would be unfair */
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if (hash_find_resv(chptr->chname))
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return NULL;
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/* Don't forward to +Q channel */
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if (chptr->mode.mode & MODE_DISFORWARD)
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return NULL;
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i = can_join(source_p, chptr, key, &next);
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if (i == 0)
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return chptr;
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depth++;
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}
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return NULL;
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}
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/*
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* m_join
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* parv[1] = channel
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* parv[2] = channel password (key)
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*/
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static int
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m_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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static char jbuf[BUFSIZE];
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struct Channel *chptr = NULL, *chptr2 = NULL;
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struct ConfItem *aconf;
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char *name;
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char *key = NULL;
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const char *modes;
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int i, flags = 0;
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char *p = NULL, *p2 = NULL;
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char *chanlist;
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char *mykey;
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jbuf[0] = '\0';
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/* rebuild the list of channels theyre supposed to be joining.
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* this code has a side effect of losing keys, but..
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*/
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chanlist = LOCAL_COPY(parv[1]);
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for(name = rb_strtok_r(chanlist, ",", &p); name; name = rb_strtok_r(NULL, ",", &p))
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{
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/* check the length and name of channel is ok */
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if(!check_channel_name_loc(source_p, name) || (strlen(name) > LOC_CHANNELLEN))
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{
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sendto_one_numeric(source_p, ERR_BADCHANNAME,
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form_str(ERR_BADCHANNAME), (unsigned char *) name);
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continue;
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}
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/* join 0 parts all channels */
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if(*name == '0' && (name[1] == ',' || name[1] == '\0') && name == chanlist)
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{
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(void) strcpy(jbuf, "0");
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continue;
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}
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/* check it begins with # or &, and local chans are disabled */
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else if(!IsChannelName(name) ||
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( ConfigChannel.disable_local_channels && name[0] == '&'))
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{
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sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
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form_str(ERR_NOSUCHCHANNEL), name);
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continue;
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}
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/* see if its resv'd */
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if(!IsExemptResv(source_p) && (aconf = hash_find_resv(name)))
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{
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sendto_one_numeric(source_p, ERR_BADCHANNAME,
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form_str(ERR_BADCHANNAME), name);
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/* dont warn for opers */
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if(!IsExemptJupe(source_p) && !IsOper(source_p))
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sendto_realops_snomask(SNO_SPY, L_NETWIDE,
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"User %s (%s@%s) is attempting to join locally juped channel %s (%s)",
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source_p->name, source_p->username,
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source_p->orighost, name, aconf->passwd);
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/* dont update tracking for jupe exempt users, these
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* are likely to be spamtrap leaves
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*/
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else if(IsExemptJupe(source_p))
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aconf->port--;
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continue;
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}
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if(splitmode && !IsOper(source_p) && (*name != '&') &&
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ConfigChannel.no_join_on_split)
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{
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sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE),
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me.name, source_p->name, name);
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continue;
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}
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if(*jbuf)
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(void) strcat(jbuf, ",");
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(void) rb_strlcat(jbuf, name, sizeof(jbuf));
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}
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if(parc > 2)
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{
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mykey = LOCAL_COPY(parv[2]);
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key = rb_strtok_r(mykey, ",", &p2);
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}
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for(name = rb_strtok_r(jbuf, ",", &p); name;
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key = (key) ? rb_strtok_r(NULL, ",", &p2) : NULL, name = rb_strtok_r(NULL, ",", &p))
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{
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hook_data_channel_activity hook_info;
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/* JOIN 0 simply parts all channels the user is in */
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if(*name == '0' && !atoi(name))
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{
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if(source_p->user->channel.head == NULL)
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continue;
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do_join_0(&me, source_p);
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continue;
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}
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/* look for the channel */
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if((chptr = find_channel(name)) != NULL)
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{
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if(IsMember(source_p, chptr))
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continue;
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flags = 0;
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}
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else
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{
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hook_data_client_approval moduledata;
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moduledata.client = source_p;
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moduledata.approved = 0;
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call_hook(h_can_create_channel, &moduledata);
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if(moduledata.approved != 0)
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{
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if(moduledata.approved != ERR_CUSTOM)
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send_join_error(source_p,
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moduledata.approved,
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name);
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continue;
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}
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if(splitmode && !IsOper(source_p) && (*name != '&') &&
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ConfigChannel.no_create_on_split)
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{
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sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE),
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me.name, source_p->name, name);
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continue;
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}
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flags = CHFL_CHANOP;
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}
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if((rb_dlink_list_length(&source_p->user->channel) >=
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(unsigned long) ConfigChannel.max_chans_per_user) &&
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(!IsOper(source_p) ||
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(rb_dlink_list_length(&source_p->user->channel) >=
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(unsigned long) ConfigChannel.max_chans_per_user * 3)))
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{
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sendto_one(source_p, form_str(ERR_TOOMANYCHANNELS),
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me.name, source_p->name, name);
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continue;
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}
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if(chptr == NULL) /* If I already have a chptr, no point doing this */
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{
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chptr = get_or_create_channel(source_p, name, NULL);
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if(chptr == NULL)
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{
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sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE),
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me.name, source_p->name, name);
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continue;
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}
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}
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/* If check_forward returns NULL, they couldn't join and there wasn't a usable forward channel. */
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if(!(chptr2 = check_forward(source_p, chptr, key, &i)))
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{
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/* might be wrong, but is there any other better location for such?
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* see extensions/chm_operonly.c for other comments on this
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* -- dwr
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*/
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if(i != ERR_CUSTOM)
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send_join_error(source_p, i, name);
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continue;
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}
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else if(chptr != chptr2)
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sendto_one_numeric(source_p, ERR_LINKCHANNEL, form_str(ERR_LINKCHANNEL), name, chptr2->chname);
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chptr = chptr2;
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if(flags == 0 &&
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!IsOper(source_p) && !IsExemptSpambot(source_p))
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check_spambot_warning(source_p, name);
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/* add the user to the channel */
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add_user_to_channel(chptr, source_p, flags);
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if (chptr->mode.join_num &&
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rb_current_time() - chptr->join_delta >= chptr->mode.join_time)
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{
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chptr->join_count = 0;
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chptr->join_delta = rb_current_time();
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}
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chptr->join_count++;
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/* credit user for join */
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credit_client_join(source_p);
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/* we send the user their join here, because we could have to
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* send a mode out next.
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*/
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send_channel_join(chptr, source_p);
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/* its a new channel, set +nt and burst. */
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if(flags & CHFL_CHANOP)
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{
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chptr->channelts = rb_current_time();
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chptr->mode.mode |= ConfigChannel.autochanmodes;
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modes = channel_modes(chptr, &me);
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sendto_channel_local(ONLY_CHANOPS, chptr, ":%s MODE %s %s",
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me.name, chptr->chname, modes);
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sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
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":%s SJOIN %ld %s %s :@%s",
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me.id, (long) chptr->channelts,
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chptr->chname, modes, source_p->id);
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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 JOIN %ld %s +",
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use_id(source_p), (long) chptr->channelts,
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chptr->chname);
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}
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del_invite(chptr, source_p);
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if(chptr->topic != NULL)
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{
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sendto_one(source_p, form_str(RPL_TOPIC), me.name,
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source_p->name, chptr->chname, chptr->topic);
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sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
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me.name, source_p->name, chptr->chname,
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chptr->topic_info,
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(unsigned long)chptr->topic_time);
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}
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channel_member_names(chptr, source_p, 1);
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hook_info.client = source_p;
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hook_info.chptr = chptr;
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hook_info.key = key;
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call_hook(h_channel_join, &hook_info);
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}
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return 0;
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}
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/*
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* ms_join
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* parv[1] = channel TS
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* parv[2] = channel
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* parv[3] = "+", formerly channel modes but now unused
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* alternatively, a single "0" parameter parts all channels
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*/
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static int
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ms_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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struct Channel *chptr;
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static struct Mode mode;
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time_t oldts;
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time_t newts;
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int isnew;
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int keep_our_modes = YES;
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rb_dlink_node *ptr, *next_ptr;
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/* special case for join 0 */
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if((parv[1][0] == '0') && (parv[1][1] == '\0') && parc == 2)
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{
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do_join_0(client_p, source_p);
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return 0;
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}
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if(parc < 4)
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return 0;
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if(!IsChannelName(parv[2]) || !check_channel_name(parv[2]))
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return 0;
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/* joins for local channels cant happen. */
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if(parv[2][0] == '&')
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return 0;
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mbuf = modebuf;
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mode.key[0] = mode.forward[0] = '\0';
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mode.mode = mode.limit = mode.join_num = mode.join_time = 0;
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if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL)
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return 0;
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newts = atol(parv[1]);
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oldts = chptr->channelts;
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#ifdef IGNORE_BOGUS_TS
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if(newts < 800000000)
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{
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sendto_realops_snomask(SNO_DEBUG, L_ALL,
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"*** Bogus TS %ld on %s ignored from %s",
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(long) newts, chptr->chname, client_p->name);
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newts = (oldts == 0) ? oldts : 800000000;
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}
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#else
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/* making a channel TS0 */
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if(!isnew && !newts && oldts)
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{
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sendto_channel_local(ALL_MEMBERS, chptr,
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":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to 0",
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me.name, chptr->chname, chptr->chname, (long) oldts);
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"Server %s changing TS on %s from %ld to 0",
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source_p->name, chptr->chname, (long) oldts);
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}
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#endif
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if(isnew)
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chptr->channelts = newts;
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else if(newts == 0 || oldts == 0)
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chptr->channelts = 0;
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else if(newts == oldts)
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;
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else if(newts < oldts)
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{
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keep_our_modes = NO;
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chptr->channelts = newts;
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}
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|
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/* Lost the TS, other side wins, so remove modes on this side */
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|
if(!keep_our_modes)
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{
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set_final_mode(&mode, &chptr->mode);
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chptr->mode = mode;
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remove_our_modes(chptr, source_p);
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RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head)
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{
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del_invite(chptr, ptr->data);
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}
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|
/* If setting -j, clear join throttle state -- jilles */
|
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chptr->join_count = chptr->join_delta = 0;
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sendto_channel_local(ALL_MEMBERS, chptr,
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":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld",
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me.name, chptr->chname, chptr->chname,
|
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(long) oldts, (long) newts);
|
|
/* Update capitalization in channel name, this makes the
|
|
* capitalization timestamped like modes are -- jilles */
|
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strcpy(chptr->chname, parv[2]);
|
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if(*modebuf != '\0')
|
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sendto_channel_local(ALL_MEMBERS, chptr,
|
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":%s MODE %s %s %s",
|
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source_p->servptr->name,
|
|
chptr->chname, modebuf, parabuf);
|
|
*modebuf = *parabuf = '\0';
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|
|
/* since we're dropping our modes, we want to clear the mlock as well. --nenolod */
|
|
set_channel_mlock(client_p, source_p, chptr, NULL, FALSE);
|
|
}
|
|
|
|
if(!IsMember(source_p, chptr))
|
|
{
|
|
add_user_to_channel(chptr, source_p, CHFL_PEON);
|
|
if (chptr->mode.join_num &&
|
|
rb_current_time() - chptr->join_delta >= chptr->mode.join_time)
|
|
{
|
|
chptr->join_count = 0;
|
|
chptr->join_delta = rb_current_time();
|
|
}
|
|
chptr->join_count++;
|
|
send_channel_join(chptr, source_p);
|
|
}
|
|
|
|
sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
|
|
":%s JOIN %ld %s +",
|
|
source_p->id, (long) chptr->channelts, chptr->chname);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ms_sjoin(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
|
|
{
|
|
static char buf_uid[BUFSIZE];
|
|
static const char empty_modes[] = "0";
|
|
struct Channel *chptr;
|
|
struct Client *target_p, *fakesource_p;
|
|
time_t newts;
|
|
time_t oldts;
|
|
static struct Mode mode, *oldmode;
|
|
const char *modes;
|
|
int args = 0;
|
|
int keep_our_modes = 1;
|
|
int keep_new_modes = 1;
|
|
int fl;
|
|
int isnew;
|
|
int mlen_uid;
|
|
int len_uid;
|
|
int len;
|
|
int joins = 0;
|
|
const char *s;
|
|
char *ptr_uid;
|
|
char *p;
|
|
int i, joinc = 0, timeslice = 0;
|
|
static char empty[] = "";
|
|
rb_dlink_node *ptr, *next_ptr;
|
|
|
|
if(parc < 5)
|
|
return 0;
|
|
|
|
if(!IsChannelName(parv[2]) || !check_channel_name(parv[2]))
|
|
return 0;
|
|
|
|
/* SJOIN's for local channels can't happen. */
|
|
if(*parv[2] == '&')
|
|
return 0;
|
|
|
|
modebuf[0] = parabuf[0] = mode.key[0] = mode.forward[0] = '\0';
|
|
pargs = mode.mode = mode.limit = mode.join_num = mode.join_time = 0;
|
|
|
|
/* Hide connecting server on netburst -- jilles */
|
|
if (ConfigServerHide.flatten_links && !HasSentEob(source_p))
|
|
fakesource_p = &me;
|
|
else
|
|
fakesource_p = source_p;
|
|
|
|
mbuf = modebuf;
|
|
newts = atol(parv[1]);
|
|
|
|
s = parv[3];
|
|
while (*s)
|
|
{
|
|
switch (*(s++))
|
|
{
|
|
case 'f':
|
|
rb_strlcpy(mode.forward, parv[4 + args], sizeof(mode.forward));
|
|
args++;
|
|
if(parc < 5 + args)
|
|
return 0;
|
|
break;
|
|
case 'j':
|
|
sscanf(parv[4 + args], "%d:%d", &joinc, ×lice);
|
|
args++;
|
|
mode.join_num = joinc;
|
|
mode.join_time = timeslice;
|
|
if(parc < 5 + args)
|
|
return 0;
|
|
break;
|
|
case 'k':
|
|
rb_strlcpy(mode.key, parv[4 + args], sizeof(mode.key));
|
|
args++;
|
|
if(parc < 5 + args)
|
|
return 0;
|
|
break;
|
|
case 'l':
|
|
mode.limit = atoi(parv[4 + args]);
|
|
args++;
|
|
if(parc < 5 + args)
|
|
return 0;
|
|
break;
|
|
default:
|
|
if(chmode_flags[(int) *s] != 0)
|
|
{
|
|
mode.mode |= chmode_flags[(int) *s];
|
|
}
|
|
}
|
|
}
|
|
|
|
if(parv[args + 4])
|
|
{
|
|
s = parv[args + 4];
|
|
|
|
/* remove any leading spaces */
|
|
while (*s == ' ')
|
|
s++;
|
|
}
|
|
else
|
|
s = "";
|
|
|
|
if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL)
|
|
return 0; /* channel name too long? */
|
|
|
|
|
|
oldts = chptr->channelts;
|
|
oldmode = &chptr->mode;
|
|
|
|
#ifdef IGNORE_BOGUS_TS
|
|
if(newts < 800000000)
|
|
{
|
|
sendto_realops_snomask(SNO_DEBUG, L_ALL,
|
|
"*** Bogus TS %ld on %s ignored from %s",
|
|
(long) newts, chptr->chname, client_p->name);
|
|
|
|
newts = (oldts == 0) ? oldts : 800000000;
|
|
}
|
|
#else
|
|
if(!isnew && !newts && oldts)
|
|
{
|
|
sendto_channel_local(ALL_MEMBERS, chptr,
|
|
":%s NOTICE %s :*** Notice -- TS for %s "
|
|
"changed from %ld to 0",
|
|
me.name, chptr->chname, chptr->chname, (long) oldts);
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
"Server %s changing TS on %s from %ld to 0",
|
|
source_p->name, chptr->chname, (long) oldts);
|
|
}
|
|
#endif
|
|
|
|
if(isnew)
|
|
chptr->channelts = newts;
|
|
|
|
else if(newts == 0 || oldts == 0)
|
|
chptr->channelts = 0;
|
|
else if(newts == oldts)
|
|
;
|
|
else if(newts < oldts)
|
|
{
|
|
/* If configured, kick people trying to join +i/+k
|
|
* channels by recreating them on split servers.
|
|
* If the source has sent EOB, assume this is some
|
|
* sort of hack by services. If cmode +i is set,
|
|
* services can send kicks if needed; if the key
|
|
* differs, services cannot kick in a race-free
|
|
* manner so do so here.
|
|
* -- jilles */
|
|
if (ConfigChannel.kick_on_split_riding &&
|
|
((!HasSentEob(source_p) &&
|
|
mode.mode & MODE_INVITEONLY) ||
|
|
(mode.key[0] != 0 && irccmp(mode.key, oldmode->key) != 0)))
|
|
{
|
|
struct membership *msptr;
|
|
struct Client *who;
|
|
int l = rb_dlink_list_length(&chptr->members);
|
|
|
|
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->locmembers.head)
|
|
{
|
|
msptr = ptr->data;
|
|
who = msptr->client_p;
|
|
sendto_one(who, ":%s KICK %s %s :Net Rider",
|
|
me.name, chptr->chname, who->name);
|
|
|
|
sendto_server(NULL, chptr, CAP_TS6, NOCAPS,
|
|
":%s KICK %s %s :Net Rider",
|
|
me.id, chptr->chname,
|
|
who->id);
|
|
remove_user_from_channel(msptr);
|
|
if (--l == 0)
|
|
break;
|
|
}
|
|
if (l == 0)
|
|
{
|
|
/* Channel was emptied, create a new one */
|
|
if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL)
|
|
return 0; /* oops! */
|
|
|
|
oldmode = &chptr->mode;
|
|
}
|
|
}
|
|
keep_our_modes = NO;
|
|
chptr->channelts = newts;
|
|
}
|
|
else
|
|
keep_new_modes = NO;
|
|
|
|
if(!keep_new_modes)
|
|
mode = *oldmode;
|
|
else if(keep_our_modes)
|
|
{
|
|
mode.mode |= oldmode->mode;
|
|
if(oldmode->limit > mode.limit)
|
|
mode.limit = oldmode->limit;
|
|
if(strcmp(mode.key, oldmode->key) < 0)
|
|
strcpy(mode.key, oldmode->key);
|
|
if(oldmode->join_num > mode.join_num ||
|
|
(oldmode->join_num == mode.join_num &&
|
|
oldmode->join_time > mode.join_time))
|
|
{
|
|
mode.join_num = oldmode->join_num;
|
|
mode.join_time = oldmode->join_time;
|
|
}
|
|
if(irccmp(mode.forward, oldmode->forward) < 0)
|
|
strcpy(mode.forward, oldmode->forward);
|
|
}
|
|
else
|
|
{
|
|
/* If setting -j, clear join throttle state -- jilles */
|
|
if (!mode.join_num)
|
|
chptr->join_count = chptr->join_delta = 0;
|
|
}
|
|
|
|
set_final_mode(&mode, oldmode);
|
|
chptr->mode = mode;
|
|
|
|
/* Lost the TS, other side wins, so remove modes on this side */
|
|
if(!keep_our_modes)
|
|
{
|
|
remove_our_modes(chptr, fakesource_p);
|
|
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head)
|
|
{
|
|
del_invite(chptr, ptr->data);
|
|
}
|
|
|
|
if(rb_dlink_list_length(&chptr->banlist) > 0)
|
|
remove_ban_list(chptr, fakesource_p, &chptr->banlist, 'b', ALL_MEMBERS);
|
|
if(rb_dlink_list_length(&chptr->exceptlist) > 0)
|
|
remove_ban_list(chptr, fakesource_p, &chptr->exceptlist,
|
|
'e', ONLY_CHANOPS);
|
|
if(rb_dlink_list_length(&chptr->invexlist) > 0)
|
|
remove_ban_list(chptr, fakesource_p, &chptr->invexlist,
|
|
'I', ONLY_CHANOPS);
|
|
if(rb_dlink_list_length(&chptr->quietlist) > 0)
|
|
remove_ban_list(chptr, fakesource_p, &chptr->quietlist,
|
|
'q', ALL_MEMBERS);
|
|
chptr->bants++;
|
|
|
|
sendto_channel_local(ALL_MEMBERS, chptr,
|
|
":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld",
|
|
me.name, chptr->chname, chptr->chname,
|
|
(long) oldts, (long) newts);
|
|
/* Update capitalization in channel name, this makes the
|
|
* capitalization timestamped like modes are -- jilles */
|
|
strcpy(chptr->chname, parv[2]);
|
|
|
|
/* since we're dropping our modes, we want to clear the mlock as well. --nenolod */
|
|
set_channel_mlock(client_p, source_p, chptr, NULL, FALSE);
|
|
}
|
|
|
|
if(*modebuf != '\0')
|
|
sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s %s %s",
|
|
fakesource_p->name, chptr->chname, modebuf, parabuf);
|
|
|
|
*modebuf = *parabuf = '\0';
|
|
|
|
if(parv[3][0] != '0' && keep_new_modes)
|
|
modes = channel_modes(chptr, source_p);
|
|
else
|
|
modes = empty_modes;
|
|
|
|
mlen_uid = rb_sprintf(buf_uid, ":%s SJOIN %ld %s %s :",
|
|
use_id(source_p), (long) chptr->channelts, parv[2], modes);
|
|
ptr_uid = buf_uid + mlen_uid;
|
|
|
|
mbuf = modebuf;
|
|
para[0] = para[1] = para[2] = para[3] = empty;
|
|
pargs = 0;
|
|
len_uid = 0;
|
|
|
|
/* if theres a space, theres going to be more than one nick, change the
|
|
* first space to \0, so s is just the first nick, and point p to the
|
|
* second nick
|
|
*/
|
|
if((p = strchr(s, ' ')) != NULL)
|
|
{
|
|
*p++ = '\0';
|
|
}
|
|
|
|
*mbuf++ = '+';
|
|
|
|
while (s)
|
|
{
|
|
fl = 0;
|
|
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
if(*s == '@')
|
|
{
|
|
fl |= CHFL_CHANOP;
|
|
s++;
|
|
}
|
|
else if(*s == '+')
|
|
{
|
|
fl |= CHFL_VOICE;
|
|
s++;
|
|
}
|
|
}
|
|
|
|
/* if the client doesnt exist or is fake direction, skip. */
|
|
if(!(target_p = find_client(s)) ||
|
|
(target_p->from != client_p) || !IsPerson(target_p))
|
|
goto nextnick;
|
|
|
|
/* we assume for these we can fit at least one nick/uid in.. */
|
|
|
|
/* check we can fit another status+nick+space into a buffer */
|
|
if((mlen_uid + len_uid + IDLEN + 3) > (BUFSIZE - 3))
|
|
{
|
|
*(ptr_uid - 1) = '\0';
|
|
sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid);
|
|
ptr_uid = buf_uid + mlen_uid;
|
|
len_uid = 0;
|
|
}
|
|
|
|
if(keep_new_modes)
|
|
{
|
|
if(fl & CHFL_CHANOP)
|
|
{
|
|
*ptr_uid++ = '@';
|
|
len_uid++;
|
|
}
|
|
if(fl & CHFL_VOICE)
|
|
{
|
|
*ptr_uid++ = '+';
|
|
len_uid++;
|
|
}
|
|
}
|
|
|
|
/* copy the nick to the two buffers */
|
|
len = rb_sprintf(ptr_uid, "%s ", use_id(target_p));
|
|
ptr_uid += len;
|
|
len_uid += len;
|
|
|
|
if(!keep_new_modes)
|
|
fl = 0;
|
|
|
|
if(!IsMember(target_p, chptr))
|
|
{
|
|
add_user_to_channel(chptr, target_p, fl);
|
|
send_channel_join(chptr, target_p);
|
|
joins++;
|
|
}
|
|
|
|
if(fl & CHFL_CHANOP)
|
|
{
|
|
*mbuf++ = 'o';
|
|
para[pargs++] = target_p->name;
|
|
|
|
/* a +ov user.. bleh */
|
|
if(fl & CHFL_VOICE)
|
|
{
|
|
/* its possible the +o has filled up MAXMODEPARAMS, if so, start
|
|
* a new buffer
|
|
*/
|
|
if(pargs >= MAXMODEPARAMS)
|
|
{
|
|
*mbuf = '\0';
|
|
sendto_channel_local(ALL_MEMBERS, chptr,
|
|
":%s MODE %s %s %s %s %s %s",
|
|
fakesource_p->name, chptr->chname,
|
|
modebuf,
|
|
para[0], para[1], para[2], para[3]);
|
|
mbuf = modebuf;
|
|
*mbuf++ = '+';
|
|
para[0] = para[1] = para[2] = para[3] = NULL;
|
|
pargs = 0;
|
|
}
|
|
|
|
*mbuf++ = 'v';
|
|
para[pargs++] = target_p->name;
|
|
}
|
|
}
|
|
else if(fl & CHFL_VOICE)
|
|
{
|
|
*mbuf++ = 'v';
|
|
para[pargs++] = target_p->name;
|
|
}
|
|
|
|
if(pargs >= MAXMODEPARAMS)
|
|
{
|
|
*mbuf = '\0';
|
|
sendto_channel_local(ALL_MEMBERS, chptr,
|
|
":%s MODE %s %s %s %s %s %s",
|
|
fakesource_p->name,
|
|
chptr->chname,
|
|
modebuf, para[0], para[1], para[2], para[3]);
|
|
mbuf = modebuf;
|
|
*mbuf++ = '+';
|
|
para[0] = para[1] = para[2] = para[3] = NULL;
|
|
pargs = 0;
|
|
}
|
|
|
|
nextnick:
|
|
/* p points to the next nick */
|
|
s = p;
|
|
|
|
/* if there was a trailing space and p was pointing to it, then we
|
|
* need to exit.. this has the side effect of breaking double spaces
|
|
* in an sjoin.. but that shouldnt happen anyway
|
|
*/
|
|
if(s && (*s == '\0'))
|
|
s = p = NULL;
|
|
|
|
/* if p was NULL due to no spaces, s wont exist due to the above, so
|
|
* we cant check it for spaces.. if there are no spaces, then when
|
|
* we next get here, s will be NULL
|
|
*/
|
|
if(s && ((p = strchr(s, ' ')) != NULL))
|
|
{
|
|
*p++ = '\0';
|
|
}
|
|
}
|
|
|
|
*mbuf = '\0';
|
|
if(pargs)
|
|
{
|
|
sendto_channel_local(ALL_MEMBERS, chptr,
|
|
":%s MODE %s %s %s %s %s %s",
|
|
fakesource_p->name, chptr->chname, modebuf,
|
|
para[0], CheckEmpty(para[1]),
|
|
CheckEmpty(para[2]), CheckEmpty(para[3]));
|
|
}
|
|
|
|
if(!joins && !(chptr->mode.mode & MODE_PERMANENT) && isnew)
|
|
{
|
|
destroy_channel(chptr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Keep the colon if we're sending an SJOIN without nicks -- jilles */
|
|
if (joins)
|
|
{
|
|
*(ptr_uid - 1) = '\0';
|
|
}
|
|
|
|
sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* do_join_0
|
|
*
|
|
* inputs - pointer to client doing join 0
|
|
* output - NONE
|
|
* side effects - Use has decided to join 0. This is legacy
|
|
* from the days when channels were numbers not names. *sigh*
|
|
*/
|
|
static void
|
|
do_join_0(struct Client *client_p, struct Client *source_p)
|
|
{
|
|
struct membership *msptr;
|
|
struct Channel *chptr = NULL;
|
|
rb_dlink_node *ptr;
|
|
|
|
/* Finish the flood grace period... */
|
|
if(MyClient(source_p) && !IsFloodDone(source_p))
|
|
flood_endgrace(source_p);
|
|
|
|
sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s JOIN 0", use_id(source_p));
|
|
|
|
while((ptr = source_p->user->channel.head))
|
|
{
|
|
if(MyConnect(source_p) &&
|
|
!IsOper(source_p) && !IsExemptSpambot(source_p))
|
|
check_spambot_warning(source_p, NULL);
|
|
|
|
msptr = ptr->data;
|
|
chptr = msptr->chptr;
|
|
sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s PART %s",
|
|
source_p->name,
|
|
source_p->username, source_p->host, chptr->chname);
|
|
remove_user_from_channel(msptr);
|
|
}
|
|
}
|
|
|
|
static int
|
|
check_channel_name_loc(struct Client *source_p, const char *name)
|
|
{
|
|
const char *p;
|
|
|
|
s_assert(name != NULL);
|
|
if(EmptyString(name))
|
|
return 0;
|
|
|
|
if(ConfigFileEntry.disable_fake_channels && !IsOper(source_p))
|
|
{
|
|
for(p = name; *p; ++p)
|
|
{
|
|
if(!IsChanChar(*p) || IsFakeChanChar(*p))
|
|
return 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(p = name; *p; ++p)
|
|
{
|
|
if(!IsChanChar(*p))
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if(ConfigChannel.only_ascii_channels)
|
|
{
|
|
for(p = name; *p; ++p)
|
|
if(*p < 33 || *p > 126)
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* send_join_error()
|
|
*
|
|
* input - client to send to, reason, channel name
|
|
* output - none
|
|
* side effects - error message sent to client
|
|
*/
|
|
static void
|
|
send_join_error(struct Client *source_p, int numeric, const char *name)
|
|
{
|
|
/* This stuff is necessary because the form_str macro only
|
|
* accepts constants.
|
|
*/
|
|
switch (numeric)
|
|
{
|
|
#define NORMAL_NUMERIC(i) \
|
|
case i: \
|
|
sendto_one(source_p, form_str(i), \
|
|
me.name, source_p->name, name); \
|
|
break
|
|
|
|
NORMAL_NUMERIC(ERR_BANNEDFROMCHAN);
|
|
NORMAL_NUMERIC(ERR_INVITEONLYCHAN);
|
|
NORMAL_NUMERIC(ERR_BADCHANNELKEY);
|
|
NORMAL_NUMERIC(ERR_CHANNELISFULL);
|
|
NORMAL_NUMERIC(ERR_NEEDREGGEDNICK);
|
|
NORMAL_NUMERIC(ERR_THROTTLE);
|
|
|
|
default:
|
|
sendto_one_numeric(source_p, numeric,
|
|
"%s :Cannot join channel", name);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_final_mode(struct Mode *mode, struct Mode *oldmode)
|
|
{
|
|
int dir = MODE_QUERY;
|
|
char *pbuf = parabuf;
|
|
int len;
|
|
int i;
|
|
|
|
/* ok, first get a list of modes we need to add */
|
|
for (i = 0; i < 256; i++)
|
|
{
|
|
if((mode->mode & chmode_flags[i]) && !(oldmode->mode & chmode_flags[i]))
|
|
{
|
|
if(dir != MODE_ADD)
|
|
{
|
|
*mbuf++ = '+';
|
|
dir = MODE_ADD;
|
|
}
|
|
*mbuf++ = i;
|
|
}
|
|
}
|
|
|
|
/* now the ones we need to remove. */
|
|
for (i = 0; i < 256; i++)
|
|
{
|
|
if((oldmode->mode & chmode_flags[i]) && !(mode->mode & chmode_flags[i]))
|
|
{
|
|
if(dir != MODE_DEL)
|
|
{
|
|
*mbuf++ = '-';
|
|
dir = MODE_DEL;
|
|
}
|
|
*mbuf++ = i;
|
|
}
|
|
}
|
|
|
|
if(oldmode->limit && !mode->limit)
|
|
{
|
|
if(dir != MODE_DEL)
|
|
{
|
|
*mbuf++ = '-';
|
|
dir = MODE_DEL;
|
|
}
|
|
*mbuf++ = 'l';
|
|
}
|
|
if(oldmode->key[0] && !mode->key[0])
|
|
{
|
|
if(dir != MODE_DEL)
|
|
{
|
|
*mbuf++ = '-';
|
|
dir = MODE_DEL;
|
|
}
|
|
*mbuf++ = 'k';
|
|
len = rb_sprintf(pbuf, "%s ", oldmode->key);
|
|
pbuf += len;
|
|
}
|
|
if(oldmode->join_num && !mode->join_num)
|
|
{
|
|
if(dir != MODE_DEL)
|
|
{
|
|
*mbuf++ = '-';
|
|
dir = MODE_DEL;
|
|
}
|
|
*mbuf++ = 'j';
|
|
}
|
|
if(oldmode->forward[0] && !mode->forward[0])
|
|
{
|
|
if(dir != MODE_DEL)
|
|
{
|
|
*mbuf++ = '-';
|
|
dir = MODE_DEL;
|
|
}
|
|
*mbuf++ = 'f';
|
|
}
|
|
if(mode->limit && oldmode->limit != mode->limit)
|
|
{
|
|
if(dir != MODE_ADD)
|
|
{
|
|
*mbuf++ = '+';
|
|
dir = MODE_ADD;
|
|
}
|
|
*mbuf++ = 'l';
|
|
len = rb_sprintf(pbuf, "%d ", mode->limit);
|
|
pbuf += len;
|
|
}
|
|
if(mode->key[0] && strcmp(oldmode->key, mode->key))
|
|
{
|
|
if(dir != MODE_ADD)
|
|
{
|
|
*mbuf++ = '+';
|
|
dir = MODE_ADD;
|
|
}
|
|
*mbuf++ = 'k';
|
|
len = rb_sprintf(pbuf, "%s ", mode->key);
|
|
pbuf += len;
|
|
}
|
|
if(mode->join_num && (oldmode->join_num != mode->join_num || oldmode->join_time != mode->join_time))
|
|
{
|
|
if(dir != MODE_ADD)
|
|
{
|
|
*mbuf++ = '+';
|
|
dir = MODE_ADD;
|
|
}
|
|
*mbuf++ = 'j';
|
|
len = rb_sprintf(pbuf, "%d:%d ", mode->join_num, mode->join_time);
|
|
pbuf += len;
|
|
}
|
|
if(mode->forward[0] && strcmp(oldmode->forward, mode->forward) &&
|
|
ConfigChannel.use_forward)
|
|
{
|
|
if(dir != MODE_ADD)
|
|
{
|
|
*mbuf++ = '+';
|
|
dir = MODE_ADD;
|
|
}
|
|
*mbuf++ = 'f';
|
|
len = rb_sprintf(pbuf, "%s ", mode->forward);
|
|
pbuf += len;
|
|
}
|
|
*mbuf = '\0';
|
|
}
|
|
|
|
/*
|
|
* remove_our_modes
|
|
*
|
|
* inputs -
|
|
* output -
|
|
* side effects -
|
|
*/
|
|
static void
|
|
remove_our_modes(struct Channel *chptr, struct Client *source_p)
|
|
{
|
|
struct membership *msptr;
|
|
rb_dlink_node *ptr;
|
|
char lmodebuf[MODEBUFLEN];
|
|
char *lpara[MAXMODEPARAMS];
|
|
int count = 0;
|
|
int i;
|
|
|
|
mbuf = lmodebuf;
|
|
*mbuf++ = '-';
|
|
|
|
for(i = 0; i < MAXMODEPARAMS; i++)
|
|
lpara[i] = NULL;
|
|
|
|
RB_DLINK_FOREACH(ptr, chptr->members.head)
|
|
{
|
|
msptr = ptr->data;
|
|
|
|
if(is_chanop(msptr))
|
|
{
|
|
msptr->flags &= ~CHFL_CHANOP;
|
|
lpara[count++] = msptr->client_p->name;
|
|
*mbuf++ = 'o';
|
|
|
|
/* +ov, might not fit so check. */
|
|
if(is_voiced(msptr))
|
|
{
|
|
if(count >= MAXMODEPARAMS)
|
|
{
|
|
*mbuf = '\0';
|
|
sendto_channel_local(ALL_MEMBERS, chptr,
|
|
":%s MODE %s %s %s %s %s %s",
|
|
source_p->name, chptr->chname,
|
|
lmodebuf, lpara[0], lpara[1],
|
|
lpara[2], lpara[3]);
|
|
|
|
/* preserve the initial '-' */
|
|
mbuf = lmodebuf;
|
|
*mbuf++ = '-';
|
|
count = 0;
|
|
|
|
for(i = 0; i < MAXMODEPARAMS; i++)
|
|
lpara[i] = NULL;
|
|
}
|
|
|
|
msptr->flags &= ~CHFL_VOICE;
|
|
lpara[count++] = msptr->client_p->name;
|
|
*mbuf++ = 'v';
|
|
}
|
|
}
|
|
else if(is_voiced(msptr))
|
|
{
|
|
msptr->flags &= ~CHFL_VOICE;
|
|
lpara[count++] = msptr->client_p->name;
|
|
*mbuf++ = 'v';
|
|
}
|
|
else
|
|
continue;
|
|
|
|
if(count >= MAXMODEPARAMS)
|
|
{
|
|
*mbuf = '\0';
|
|
sendto_channel_local(ALL_MEMBERS, chptr,
|
|
":%s MODE %s %s %s %s %s %s",
|
|
source_p->name, chptr->chname, lmodebuf,
|
|
lpara[0], lpara[1], lpara[2], lpara[3]);
|
|
mbuf = lmodebuf;
|
|
*mbuf++ = '-';
|
|
count = 0;
|
|
|
|
for(i = 0; i < MAXMODEPARAMS; i++)
|
|
lpara[i] = NULL;
|
|
}
|
|
}
|
|
|
|
if(count != 0)
|
|
{
|
|
*mbuf = '\0';
|
|
sendto_channel_local(ALL_MEMBERS, chptr,
|
|
":%s MODE %s %s %s %s %s %s",
|
|
source_p->name, chptr->chname, lmodebuf,
|
|
EmptyString(lpara[0]) ? "" : lpara[0],
|
|
EmptyString(lpara[1]) ? "" : lpara[1],
|
|
EmptyString(lpara[2]) ? "" : lpara[2],
|
|
EmptyString(lpara[3]) ? "" : lpara[3]);
|
|
|
|
}
|
|
}
|
|
|
|
/* remove_ban_list()
|
|
*
|
|
* inputs - channel, source, list to remove, char of mode, caps needed
|
|
* outputs -
|
|
* side effects - given list is removed, with modes issued to local clients
|
|
*/
|
|
static void
|
|
remove_ban_list(struct Channel *chptr, struct Client *source_p,
|
|
rb_dlink_list * list, char c, int mems)
|
|
{
|
|
static char lmodebuf[BUFSIZE];
|
|
static char lparabuf[BUFSIZE];
|
|
struct Ban *banptr;
|
|
rb_dlink_node *ptr;
|
|
rb_dlink_node *next_ptr;
|
|
char *pbuf;
|
|
int count = 0;
|
|
int cur_len, mlen, plen;
|
|
|
|
pbuf = lparabuf;
|
|
|
|
cur_len = mlen = rb_sprintf(lmodebuf, ":%s MODE %s -", source_p->name, chptr->chname);
|
|
mbuf = lmodebuf + mlen;
|
|
|
|
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
|
|
{
|
|
banptr = ptr->data;
|
|
|
|
/* trailing space, and the mode letter itself */
|
|
plen = strlen(banptr->banstr) +
|
|
(banptr->forward ? strlen(banptr->forward) + 1 : 0) + 2;
|
|
|
|
if(count >= MAXMODEPARAMS || (cur_len + plen) > BUFSIZE - 4)
|
|
{
|
|
/* remove trailing space */
|
|
*mbuf = '\0';
|
|
*(pbuf - 1) = '\0';
|
|
|
|
sendto_channel_local(mems, chptr, "%s %s", lmodebuf, lparabuf);
|
|
|
|
cur_len = mlen;
|
|
mbuf = lmodebuf + mlen;
|
|
pbuf = lparabuf;
|
|
count = 0;
|
|
}
|
|
|
|
*mbuf++ = c;
|
|
cur_len += plen;
|
|
if (banptr->forward)
|
|
pbuf += rb_sprintf(pbuf, "%s$%s ", banptr->banstr, banptr->forward);
|
|
else
|
|
pbuf += rb_sprintf(pbuf, "%s ", banptr->banstr);
|
|
count++;
|
|
|
|
free_ban(banptr);
|
|
}
|
|
|
|
*mbuf = '\0';
|
|
*(pbuf - 1) = '\0';
|
|
sendto_channel_local(mems, chptr, "%s %s", lmodebuf, lparabuf);
|
|
|
|
list->head = list->tail = NULL;
|
|
list->length = 0;
|
|
}
|