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/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* m_mode.c: Sets a user or channel mode. |
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* |
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* Copyright (C) 2002 by the past and present ircd coders, and others. |
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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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* $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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#include "tools.h" |
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#include "handlers.h" |
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#include "channel.h" |
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#include "channel_mode.h" |
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#include "client.h" |
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#include "hash.h" |
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#include "irc_string.h" |
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#include "sprintf_irc.h" |
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#include "ircd.h" |
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#include "numeric.h" |
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#include "s_user.h" |
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#include "s_conf.h" |
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#include "s_serv.h" |
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#include "send.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 "common.h" |
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|
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static void m_mode(struct Client *, struct Client *, int, char *[]); |
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static void ms_tmode(struct Client *, struct Client *, int, char *[]); |
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static void ms_bmask(struct Client *, struct Client *, int, char *[]); |
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|
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struct Message mode_msgtab = { |
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"MODE", 0, 0, 2, 0, MFLG_SLOW, 0, |
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{m_unregistered, m_mode, m_mode, m_ignore, m_mode, m_ignore} |
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}; |
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|
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struct Message tmode_msgtab = { |
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"TMODE", 0, 0, 4, 0, MFLG_SLOW, 0, |
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{m_ignore, m_ignore, ms_tmode, m_ignore, m_ignore, m_ignore} |
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}; |
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|
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struct Message bmask_msgtab = { |
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"BMASK", 0, 0, 5, 0, MFLG_SLOW, 0, |
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{m_ignore, m_ignore, ms_bmask, m_ignore, m_ignore, m_ignore} |
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}; |
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|
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#ifndef STATIC_MODULES |
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void |
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_modinit(void) |
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{ |
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mod_add_cmd(&mode_msgtab); |
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mod_add_cmd(&tmode_msgtab); |
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mod_add_cmd(&bmask_msgtab); |
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} |
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|
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void |
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_moddeinit(void) |
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{ |
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mod_del_cmd(&mode_msgtab); |
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mod_del_cmd(&tmode_msgtab); |
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mod_del_cmd(&bmask_msgtab); |
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} |
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|
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const char *_version = "$Revision$"; |
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#endif |
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|
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/* |
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* m_mode - MODE command handler |
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* parv[0] - sender |
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* parv[1] - channel |
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*/ |
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static void |
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m_mode(struct Client *client_p, struct Client *source_p, |
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int parc, char *parv[]) |
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{ |
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struct Channel *chptr = NULL; |
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struct Membership *member; |
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static char modebuf[MODEBUFLEN]; |
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static char parabuf[MODEBUFLEN]; |
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|
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if (*parv[1] == '\0') |
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{ |
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sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), |
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me.name, source_p->name, "MODE"); |
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return; |
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} |
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|
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/* Now, try to find the channel in question */ |
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if (!IsChanPrefix(*parv[1])) |
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{ |
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/* if here, it has to be a non-channel name */ |
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set_user_mode(client_p, source_p, parc, parv); |
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return; |
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} |
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|
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if (!check_channel_name(parv[1])) |
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{ |
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sendto_one(source_p, form_str(ERR_BADCHANNAME), |
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me.name, source_p->name, parv[1]); |
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return; |
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} |
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|
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chptr = hash_find_channel(parv[1]); |
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|
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if (chptr == NULL) |
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{ |
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/* if chptr isn't found locally, it =could= exist |
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* on the uplink. So ask. |
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*/ |
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|
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/* LazyLinks */ |
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/* only send a mode upstream if a local client sent this request |
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* -davidt |
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*/ |
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if (MyClient(source_p) && !ServerInfo.hub && uplink && |
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IsCapable(uplink, CAP_LL)) |
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{ |
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#if 0 |
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/* cache the channel if it exists on uplink */ |
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/* Lets not for now -db */ |
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|
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sendto_one(uplink, ":%s CBURST %s", |
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me.name, chptr->chname); |
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#endif |
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sendto_one(uplink, ":%s MODE %s %s", |
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ID_or_name(source_p, uplink), |
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chptr->chname, (parv[2] ? parv[2] : "")); |
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return; |
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} |
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else |
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{ |
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sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL), |
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ID_or_name(&me, source_p->from), |
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ID_or_name(source_p, source_p->from), |
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parv[1]); |
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return; |
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} |
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} |
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|
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/* Now known the channel exists */ |
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if (parc < 3) |
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{ |
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channel_modes(chptr, source_p, modebuf, parabuf); |
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sendto_one(source_p, form_str(RPL_CHANNELMODEIS), |
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me.name, source_p->name, chptr->chname, modebuf, parabuf); |
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sendto_one(source_p, form_str(RPL_CREATIONTIME), |
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me.name, source_p->name, chptr->chname, chptr->channelts); |
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} |
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/* bounce all modes from people we deop on sjoin |
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* servers have always gotten away with murder, |
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* including telnet servers *g* - Dianora |
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* |
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* XXX Is it worth the bother to make an ms_mode() ? - Dianora |
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*/ |
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else if (IsServer(source_p)) |
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{ |
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set_channel_mode(client_p, source_p, chptr, NULL, parc - 2, parv + 2, |
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chptr->chname); |
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} |
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else |
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{ |
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member = find_channel_link(source_p, chptr); |
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|
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if (!has_member_flags(member, CHFL_DEOPPED)) |
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{ |
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/* Finish the flood grace period... */ |
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if (MyClient(source_p) && !IsFloodDone(source_p)) |
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{ |
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if (!((parc == 3) && (parv[2][0] == 'b') && (parv[2][1] == '\0'))) |
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flood_endgrace(source_p); |
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} |
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|
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set_channel_mode(client_p, source_p, chptr, member, parc - 2, parv + 2, |
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chptr->chname); |
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} |
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} |
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} |
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|
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/* |
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* ms_tmode() |
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* |
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* inputs - parv[0] = UID |
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* parv[1] = TS |
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* parv[2] = channel name |
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* parv[3] = modestring |
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*/ |
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static void |
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ms_tmode(struct Client *client_p, struct Client *source_p, int parc, char *parv[]) |
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{ |
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struct Channel *chptr = NULL; |
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struct Membership *member = NULL; |
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|
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if ((chptr = hash_find_channel(parv[2])) == NULL) |
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{ |
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sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL), |
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ID_or_name(&me, client_p), ID_or_name(source_p, client_p), parv[2]); |
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return; |
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} |
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|
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if (atol(parv[1]) > chptr->channelts) |
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return; |
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|
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if (IsServer(source_p)) |
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set_channel_mode(client_p, source_p, chptr, NULL, parc - 3, parv + 3, chptr->chname); |
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else |
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{ |
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member = find_channel_link(source_p, chptr); |
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|
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/* XXX are we sure we just want to bail here? */ |
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if (has_member_flags(member, CHFL_DEOPPED)) |
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return; |
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|
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set_channel_mode(client_p, source_p, chptr, member, parc - 3, parv + 3, chptr->chname); |
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} |
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} |
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|
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/* |
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* ms_bmask() |
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* |
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* inputs - parv[0] = SID |
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* parv[1] = TS |
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* parv[2] = channel name |
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* parv[3] = type of ban to add ('b' 'I' or 'e') |
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* parv[4] = space delimited list of masks to add |
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* outputs - none |
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* side effects - propagates unchanged bmask line to CAP_TS6 servers, |
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* sends plain modes to the others. nothing is sent |
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* to the server the issuing server is connected through |
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*/ |
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static void |
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ms_bmask(struct Client *client_p, struct Client *source_p, int parc, char *parv[]) |
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{ |
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static char modebuf[IRCD_BUFSIZE]; |
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static char parabuf[IRCD_BUFSIZE]; |
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static char banbuf[IRCD_BUFSIZE]; |
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struct Channel *chptr; |
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char *s, *t, *mbuf, *pbuf; |
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long mode_type; |
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int mlen, tlen; |
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int modecount = 0; |
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int needcap = NOCAPS; |
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|
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if ((chptr = hash_find_channel(parv[2])) == NULL) |
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return; |
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|
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/* TS is higher, drop it. */ |
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if (atol(parv[1]) > chptr->channelts) |
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return; |
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|
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switch (*parv[3]) |
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{ |
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case 'b': |
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mode_type = CHFL_BAN; |
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break; |
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|
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case 'e': |
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mode_type = CHFL_EXCEPTION; |
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needcap = CAP_EX; |
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break; |
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|
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case 'I': |
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mode_type = CHFL_INVEX; |
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needcap = CAP_IE; |
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break; |
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|
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/* maybe we should just blindly propagate this? */ |
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default: |
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return; |
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} |
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|
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parabuf[0] = '\0'; |
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s = banbuf; |
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strlcpy(s, parv[4], sizeof(banbuf)); |
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|
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/* only need to construct one buffer, for non-ts6 servers */ |
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mlen = ircsprintf(modebuf, ":%s MODE %s +", |
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source_p->name, chptr->chname); |
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mbuf = modebuf + mlen; |
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pbuf = parabuf; |
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|
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do { |
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if ((t = strchr(s, ' ')) != NULL) |
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*t++ = '\0'; |
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tlen = strlen(s); |
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|
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/* I dont even want to begin parsing this.. */ |
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if (tlen > MODEBUFLEN) |
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break; |
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|
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if (tlen && *s != ':' && add_id(source_p, chptr, s, mode_type)) |
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{ |
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/* this new one wont fit.. */ |
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if (mbuf - modebuf + 2 + pbuf - parabuf + tlen > IRCD_BUFSIZE - 2 || |
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modecount >= MAXMODEPARAMS) |
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{ |
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*mbuf = '\0'; |
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*(pbuf - 1) = '\0'; |
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|
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sendto_channel_local(ALL_MEMBERS, NO, chptr, "%s %s", |
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modebuf, parabuf); |
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sendto_server(client_p, NULL, chptr, needcap, CAP_TS6, NOFLAGS, |
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"%s %s", modebuf, parabuf); |
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|
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mbuf = modebuf + mlen; |
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pbuf = parabuf; |
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modecount = 0; |
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} |
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|
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*mbuf++ = parv[3][0]; |
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pbuf += ircsprintf(pbuf, "%s ", s); |
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modecount++; |
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} |
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|
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s = t; |
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} while (s != NULL); |
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|
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if (modecount) |
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{ |
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*mbuf = *(pbuf - 1) = '\0'; |
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sendto_channel_local(ALL_MEMBERS, NO, chptr, "%s %s", modebuf, parabuf); |
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sendto_server(client_p, NULL, chptr, needcap, CAP_TS6, NOFLAGS, |
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"%s %s", modebuf, parabuf); |
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} |
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|
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/* assumption here is that since the server sent BMASK, they are TS6, so they have an ID */ |
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sendto_server(client_p, NULL, chptr, CAP_TS6|needcap, NOCAPS, NOFLAGS, |
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":%s BMASK %lu %s %s :%s", |
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source_p->id, (unsigned long)chptr->channelts, chptr->chname, |
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parv[3], parv[4]); |
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} |
