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elemental-ircd/modules/core/m_join.c

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/*
* ircd-ratbox: A slightly useful ircd.
* m_join.c: Joins a channel.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
*/
#include "stdinc.h"
#include "channel.h"
#include "client.h"
#include "common.h"
#include "hash.h"
#include "match.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "s_serv.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "packet.h"
#include "chmode.h"
static int m_join(struct Client *, struct Client *, int, const char **);
static int me_svsjoin(struct Client *, struct Client *, int, const char **);
static int ms_join(struct Client *, struct Client *, int, const char **);
static int ms_sjoin(struct Client *, struct Client *, int, const char **);
struct Message join_msgtab = {
"JOIN", 0, 0, 0, MFLG_SLOW,
{mg_unreg, {m_join, 2}, {ms_join, 2}, mg_ignore, mg_ignore, {m_join, 2}}
};
struct Message svsjoin_msgtab = {
"SVSJOIN", 0, 0, 0, MFLG_SLOW,
{mg_ignore, mg_ignore, mg_ignore, mg_ignore, {me_svsjoin, 3}, mg_ignore}
};
struct Message sjoin_msgtab = {
"SJOIN", 0, 0, 0, MFLG_SLOW,
{mg_unreg, mg_ignore, mg_ignore, {ms_sjoin, 4}, mg_ignore, mg_ignore}
};
mapi_clist_av1 join_clist[] = { &join_msgtab, &svsjoin_msgtab, &sjoin_msgtab, NULL };
DECLARE_MODULE_AV1(join, NULL, NULL, join_clist, NULL, NULL, "$Revision: 3494 $");
static void set_final_mode(struct Mode *mode, struct Mode *oldmode);
static void remove_our_modes(struct Channel *chptr, struct Client *source_p);
static void remove_ban_list(struct Channel *chptr, struct Client *source_p,
rb_dlink_list * list, char c, int mems);
static char modebuf[MODEBUFLEN];
static char omodebuf[MODEBUFLEN];
static char parabuf[MODEBUFLEN];
static const char *para[MAXMODEPARAMS];
static char *mbuf, *ombuf;
static int pargs;
/*
* m_join
* parv[1] = channel
* parv[2] = channel password (key)
*/
static int
m_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
user_join(client_p, source_p, parv[1], parc > 2 ? parv[2] : NULL); /* channel.c */
return 0;
}
/*
* me_svsjoin - small function to allow services to forcejoin clients, mainly for ns_ajoin
* parv[1] = user to act on (join to a channel)
* parv[2] = channel
* This does allow opers to "forcejoin" users to channels with operserv/raw or by writing a
* custom module (where they can make it not log anything), but the former bitches that it's
* being used and the latter...Can probably be done anyway with enough hackyness if this
* command didn't exist so it's not all that bad.
*/
static int
me_svsjoin(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Client *target_p;
if(!(source_p->flags & FLAGS_SERVICE))
return 0;
if((target_p = find_person(parv[1])) == NULL)
return 0;
user_join(&me, target_p, parv[2], NULL);
return 0;
}
/*
* ms_join
* parv[1] = channel TS
* parv[2] = channel
* parv[3] = "+", formerly channel modes but now unused
* alternatively, a single "0" parameter parts all channels
*/
static int
ms_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Channel *chptr;
static struct Mode mode;
time_t oldts;
time_t newts;
int isnew;
int keep_our_modes = YES;
int keep_new_modes = YES;
rb_dlink_node *ptr, *next_ptr;
/* special case for join 0 */
if((parv[1][0] == '0') && (parv[1][1] == '\0') && parc == 2)
{
do_join_0(client_p, source_p);
return 0;
}
if(parc < 4)
return 0;
if(!IsChannelName(parv[2]) || !check_channel_name(parv[2]))
return 0;
/* joins for local channels cant happen. */
if(parv[2][0] == '&')
return 0;
mbuf = modebuf;
ombuf = omodebuf;
mode.key[0] = mode.forward[0] = '\0';
mode.mode = mode.limit = mode.join_num = mode.join_time = 0;
if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL)
return 0;
newts = atol(parv[1]);
oldts = chptr->channelts;
#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
/* making a channel TS0 */
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)
{
keep_our_modes = NO;
chptr->channelts = newts;
}
else
keep_new_modes = NO;
/* Lost the TS, other side wins, so remove modes on this side */
if(!keep_our_modes)
{
set_final_mode(&mode, &chptr->mode);
chptr->mode = mode;
remove_our_modes(chptr, source_p);
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head)
{
del_invite(chptr, ptr->data);
}
/* If setting -j, clear join throttle state -- jilles */
chptr->join_count = chptr->join_delta = 0;
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]);
if(*modebuf != '\0')
sendto_channel_local(ALL_MEMBERS, chptr,
":%s MODE %s %s %s",
source_p->servptr->name,
chptr->chname, modebuf, parabuf);
if(*omodebuf != '\0')
sendto_channel_local(ONLY_OPERS, chptr,
":%s MODE %s %s %s",
source_p->servptr->name,
chptr->chname, modebuf, parabuf);
*omodebuf = *modebuf = *parabuf = '\0';
}
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++;
sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s",
source_p->name, source_p->username,
source_p->host, chptr->chname);
}
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_nick;
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(!IsChannelName(parv[2]) || !check_channel_name(parv[2]))
return 0;
/* SJOIN's for local channels can't happen. */
if(*parv[2] == '&')
return 0;
omodebuf[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;
ombuf = omodebuf;
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, &timeslice);
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.
* Don't kick if the source has sent EOB (services
* deopping everyone by TS-1 SJOIN).
* -- 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]);
}
if(*modebuf != '\0')
sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s %s %s",
fakesource_p->name, chptr->chname, modebuf, parabuf);
if(*omodebuf != '\0')
sendto_channel_local(ONLY_OPERS, chptr, ":%s MODE %s %s %s",
fakesource_p->name, chptr->chname, omodebuf, parabuf);
*omodebuf = *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;
ombuf = omodebuf;
para[0] = para[1] = para[2] = para[3] = empty;
pargs = 0;
len_nick = 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_ADMIN;
s++;
}
else if(*s == '@')
{
fl |= CHFL_CHANOP;
s++;
}
else if(*s == '%')
{
fl |= CHFL_HALFOP;
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_ADMIN)
{
*ptr_uid++ = '!';
len_nick++;
len_uid++;
}
if(fl & CHFL_CHANOP)
{
*ptr_uid++ = '@';
len_nick++;
len_uid++;
}
if(fl & CHFL_HALFOP)
{
*ptr_uid++ = '%';
len_nick++;
len_uid++;
}
if(fl & CHFL_VOICE)
{
*ptr_uid++ = '+';
len_nick++;
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);
sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s",
target_p->name,
target_p->username, target_p->host, parv[2]);
joins++;
}
/* If anyone can think of a way to do this that doesn't make babies cry
* I would love to hear it - Taros */
if(fl & CHFL_ADMIN)
{
*mbuf++ = 'a';
para[pargs++] = target_p->name;
if(fl & CHFL_CHANOP)
{
/* its possible the +a 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++ = 'o';
para[pargs++] = target_p->name;
}
if(fl & CHFL_HALFOP)
{
/* its possible the +a 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++ = 'h';
para[pargs++] = target_p->name;
}
if(fl & CHFL_VOICE)
{
/* its possible the +a 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;
}
}
if(fl & CHFL_CHANOP)
{
*mbuf++ = 'o';
para[pargs++] = target_p->name;
if(fl & CHFL_HALFOP)
{
/* 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++ = 'h';
para[pargs++] = target_p->name;
}
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;
}
}
if(fl & CHFL_HALFOP)
{
*mbuf++ = 'h';
para[pargs++] = target_p->name;
if(fl & CHFL_VOICE)
{
/* its possible the +h 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;
}
static void
set_final_mode(struct Mode *mode, struct Mode *oldmode)
{
int dir = MODE_QUERY, odir = 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 (chmode_table[i].set_func == chm_hidden)
{
if(odir != MODE_ADD)
{
*ombuf++ = '+';
odir = MODE_ADD;
}
*ombuf++ = i;
}
else
{
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(chmode_table[i].set_func == chm_hidden)
{
if(odir != MODE_DEL)
{
*ombuf++ = '-';
odir = MODE_DEL;
}
*ombuf++ = i;
}
else
{
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 anyone can think of a way to do this that doesn't make babies cry
* I would love to hear it - Taros */
if(is_admin(msptr))
{
msptr->flags &= ~CHFL_ADMIN;
lpara[count++] = msptr->client_p->name;
*mbuf++ = 'a';
/* Make sure it fits if +h, +o, or +v are involved */
if(is_chanop(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_CHANOP;
lpara[count++] = msptr->client_p->name;
*mbuf++ = 'o';
}
if(is_halfop(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_HALFOP;
lpara[count++] = msptr->client_p->name;
*mbuf++ = 'h';
}
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_chanop(msptr))
{
msptr->flags &= ~CHFL_CHANOP;
lpara[count++] = msptr->client_p->name;
*mbuf++ = 'o';
/* Make sure it fits if +h or +v are involved */
if(is_halfop(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_HALFOP;
lpara[count++] = msptr->client_p->name;
*mbuf++ = 'h';
}
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_halfop(msptr))
{
msptr->flags &= ~CHFL_HALFOP;
lpara[count++] = msptr->client_p->name;
*mbuf++ = 'h';
/* +hv, 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) + 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;
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;
}
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