3c7d6fcce7
Also fix up some return values and stuff to use bool (or void if nothing). I just did it whilst I was here. According to jilles, the return value used to signify whether or not the client had exited. This was error-prone and was fixed a long, long time ago, but the return value was left int for historical reasons. Since the return type is not used (and has no clear use case anyway), it's safe to just get rid of it.
651 lines
18 KiB
C
651 lines
18 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_resv.c: Reserves(jupes) a nickname or channel.
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*
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* Copyright (C) 2001-2002 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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#include "stdinc.h"
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#include "client.h"
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#include "channel.h"
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#include "ircd.h"
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#include "numeric.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 "s_conf.h"
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#include "s_newconf.h"
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#include "hash.h"
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#include "logger.h"
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#include "bandbi.h"
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#include "operhash.h"
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static const char resv_desc[] =
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"Provides management of reserved nicknames and channels using (UN)RESV";
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static void mo_resv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void ms_resv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void me_resv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void mo_unresv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void ms_unresv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void me_unresv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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struct Message resv_msgtab = {
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"RESV", 0, 0, 0, 0,
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{mg_ignore, mg_not_oper, {ms_resv, 4}, {ms_resv, 4}, {me_resv, 5}, {mo_resv, 3}}
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};
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struct Message unresv_msgtab = {
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"UNRESV", 0, 0, 0, 0,
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{mg_ignore, mg_not_oper, {ms_unresv, 3}, {ms_unresv, 3}, {me_unresv, 2}, {mo_unresv, 2}}
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};
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mapi_clist_av1 resv_clist[] = { &resv_msgtab, &unresv_msgtab, NULL };
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DECLARE_MODULE_AV2(resv, NULL, NULL, resv_clist, NULL, NULL, NULL, NULL, resv_desc);
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static void parse_resv(struct Client *source_p, const char *name,
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const char *reason, int temp_time, int propagated);
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static void propagate_resv(struct Client *source_p, const char *target,
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int temp_time, const char *name, const char *reason);
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static void cluster_resv(struct Client *source_p, int temp_time,
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const char *name, const char *reason);
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static void handle_remote_unresv(struct Client *source_p, const char *name);
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static void remove_resv(struct Client *source_p, const char *name, int propagated);
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/*
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* mo_resv()
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* parv[1] = channel/nick to forbid
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* parv[2] = reason
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*/
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static void
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mo_resv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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const char *name;
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const char *reason;
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const char *target_server = NULL;
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int temp_time;
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int loc = 1;
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int propagated = ConfigFileEntry.use_propagated_bans;
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if(!IsOperResv(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "resv");
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return;
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}
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/* RESV [time] <name> [ON <server>] :<reason> */
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if((temp_time = valid_temp_time(parv[loc])) >= 0)
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loc++;
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/* we just set temp_time to -1! */
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else
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temp_time = 0;
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name = parv[loc];
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loc++;
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if((parc >= loc + 2) && (irccmp(parv[loc], "ON") == 0))
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{
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if(!IsOperRemoteBan(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS),
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me.name, source_p->name, "remoteban");
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return;
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}
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target_server = parv[loc + 1];
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loc += 2;
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/* Set as local-only. */
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propagated = 0;
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}
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if(parc <= loc || EmptyString(parv[loc]))
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{
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sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, source_p->name, "RESV");
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return;
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}
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reason = parv[loc];
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/* remote resv.. */
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if(target_server)
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{
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propagate_resv(source_p, target_server, temp_time, name, reason);
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if(match(target_server, me.name) == 0)
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return;
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}
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else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
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cluster_resv(source_p, temp_time, name, reason);
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if(propagated && temp_time == 0)
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{
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sendto_one_notice(source_p, ":Cannot set a permanent global ban");
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return;
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}
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parse_resv(source_p, name, reason, temp_time, propagated);
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}
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/* ms_resv()
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* parv[1] = target server
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* parv[2] = channel/nick to forbid
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* parv[3] = reason
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*/
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static void
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ms_resv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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/* parv[0] parv[1] parv[2] parv[3]
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* oper target server resv reason
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*/
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propagate_resv(source_p, parv[1], 0, parv[2], parv[3]);
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if(!match(parv[1], me.name))
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return;
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if(!IsPerson(source_p))
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return;
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parse_resv(source_p, parv[2], parv[3], 0, 0);
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}
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static void
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me_resv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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/* time name 0 :reason */
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if(!IsPerson(source_p))
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return;
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parse_resv(source_p, parv[2], parv[4], atoi(parv[1]), 0);
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}
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/* parse_resv()
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*
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* inputs - source_p if error messages wanted
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* - thing to resv
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* - reason for resv
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* outputs -
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* side effects - will parse the resv and create it if valid
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*/
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static void
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parse_resv(struct Client *source_p, const char *name, const char *reason, int temp_time, int propagated)
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{
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struct ConfItem *aconf;
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if(!MyClient(source_p) &&
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!find_shared_conf(source_p->username, source_p->host,
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source_p->servptr->name,
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(temp_time > 0) ? SHARED_TRESV : SHARED_PRESV))
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return;
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if(IsChannelName(name))
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{
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if(hash_find_resv(name))
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{
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sendto_one_notice(source_p,
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":A RESV has already been placed on channel: %s", name);
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return;
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}
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if(strlen(name) > CHANNELLEN)
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{
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sendto_one_notice(source_p, ":Invalid RESV length: %s", name);
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return;
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}
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aconf = make_conf();
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aconf->status = CONF_RESV_CHANNEL;
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aconf->port = 0;
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aconf->created = rb_current_time();
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aconf->host = rb_strdup(name);
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aconf->passwd = rb_strdup(reason);
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aconf->info.oper = operhash_add(get_oper_name(source_p));
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if(propagated)
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{
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aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
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aconf->hold = rb_current_time() + temp_time;
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aconf->lifetime = aconf->hold;
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replace_old_ban(aconf);
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rb_dlinkAddAlloc(aconf, &prop_bans);
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s added global %d min. RESV for [%s] [%s]",
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get_oper_name(source_p), temp_time / 60,
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name, reason);
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ilog(L_KLINE, "R %s %d %s %s",
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get_oper_name(source_p), temp_time / 60, name, reason);
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sendto_one_notice(source_p, ":Added global %d min. RESV [%s]",
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temp_time / 60, name);
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sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
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":%s BAN R * %s %lu %d %d * :%s",
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source_p->id, aconf->host,
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(unsigned long)aconf->created,
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(int)(aconf->hold - aconf->created),
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(int)(aconf->lifetime - aconf->created),
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reason);
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}
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else if(temp_time > 0)
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{
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aconf->hold = rb_current_time() + temp_time;
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s added temporary %d min. RESV for [%s] [%s]",
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get_oper_name(source_p), temp_time / 60,
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name, reason);
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ilog(L_KLINE, "R %s %d %s %s",
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get_oper_name(source_p), temp_time / 60, name, reason);
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sendto_one_notice(source_p, ":Added temporary %d min. RESV [%s]",
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temp_time / 60, name);
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}
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else
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{
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s added RESV for [%s] [%s]",
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get_oper_name(source_p), name, reason);
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ilog(L_KLINE, "R %s 0 %s %s",
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get_oper_name(source_p), name, reason);
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sendto_one_notice(source_p, ":Added RESV [%s]", name);
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bandb_add(BANDB_RESV, source_p, aconf->host, NULL, aconf->passwd, NULL, 0);
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}
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add_to_resv_hash(aconf->host, aconf);
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resv_chan_forcepart(aconf->host, aconf->passwd, temp_time);
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}
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else if(clean_resv_nick(name))
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{
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if(strlen(name) > NICKLEN * 2)
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{
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sendto_one_notice(source_p, ":Invalid RESV length: %s", name);
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return;
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}
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if(!valid_wild_card_simple(name))
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{
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sendto_one_notice(source_p,
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":Please include at least %d non-wildcard "
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"characters with the resv",
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ConfigFileEntry.min_nonwildcard_simple);
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return;
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}
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if(find_nick_resv_mask(name))
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{
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sendto_one_notice(source_p,
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":A RESV has already been placed on nick: %s", name);
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return;
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}
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aconf = make_conf();
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aconf->status = CONF_RESV_NICK;
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aconf->port = 0;
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aconf->created = rb_current_time();
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aconf->host = rb_strdup(name);
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aconf->passwd = rb_strdup(reason);
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aconf->info.oper = operhash_add(get_oper_name(source_p));
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if(propagated)
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{
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aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
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aconf->hold = rb_current_time() + temp_time;
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aconf->lifetime = aconf->hold;
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replace_old_ban(aconf);
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rb_dlinkAddAlloc(aconf, &prop_bans);
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s added global %d min. RESV for [%s] [%s]",
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get_oper_name(source_p), temp_time / 60,
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name, reason);
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ilog(L_KLINE, "R %s %d %s %s",
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get_oper_name(source_p), temp_time / 60, name, reason);
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sendto_one_notice(source_p, ":Added global %d min. RESV [%s]",
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temp_time / 60, name);
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sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
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":%s BAN R * %s %lu %d %d * :%s",
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source_p->id, aconf->host,
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(unsigned long)aconf->created,
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(int)(aconf->hold - aconf->created),
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(int)(aconf->lifetime - aconf->created),
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reason);
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}
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else if(temp_time > 0)
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{
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aconf->hold = rb_current_time() + temp_time;
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s added temporary %d min. RESV for [%s] [%s]",
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get_oper_name(source_p), temp_time / 60,
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name, reason);
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ilog(L_KLINE, "R %s %d %s %s",
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get_oper_name(source_p), temp_time / 60, name, reason);
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sendto_one_notice(source_p, ":Added temporary %d min. RESV [%s]",
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temp_time / 60, name);
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}
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else
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{
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s added RESV for [%s] [%s]",
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get_oper_name(source_p), name, reason);
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ilog(L_KLINE, "R %s 0 %s %s",
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get_oper_name(source_p), name, reason);
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sendto_one_notice(source_p, ":Added RESV [%s]", name);
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bandb_add(BANDB_RESV, source_p, aconf->host, NULL, aconf->passwd, NULL, 0);
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}
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rb_dlinkAddAlloc(aconf, &resv_conf_list);
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resv_nick_fnc(aconf->host, aconf->passwd, temp_time);
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}
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else
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sendto_one_notice(source_p, ":You have specified an invalid resv: [%s]", name);
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}
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static void
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propagate_resv(struct Client *source_p, const char *target,
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int temp_time, const char *name, const char *reason)
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{
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if(!temp_time)
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{
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sendto_match_servs(source_p, target,
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CAP_CLUSTER, NOCAPS, "RESV %s %s :%s", target, name, reason);
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sendto_match_servs(source_p, target,
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CAP_ENCAP, CAP_CLUSTER,
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"ENCAP %s RESV %d %s 0 :%s", target, temp_time, name, reason);
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}
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else
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sendto_match_servs(source_p, target,
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CAP_ENCAP, NOCAPS,
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"ENCAP %s RESV %d %s 0 :%s", target, temp_time, name, reason);
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}
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static void
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cluster_resv(struct Client *source_p, int temp_time, const char *name, const char *reason)
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{
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struct remote_conf *shared_p;
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rb_dlink_node *ptr;
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RB_DLINK_FOREACH(ptr, cluster_conf_list.head)
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{
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shared_p = ptr->data;
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/* old protocol cant handle temps, and we dont really want
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* to convert them to perm.. --fl
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*/
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if(!temp_time)
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{
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if(!(shared_p->flags & SHARED_PRESV))
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continue;
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sendto_match_servs(source_p, shared_p->server,
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CAP_CLUSTER, NOCAPS,
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"RESV %s %s :%s", shared_p->server, name, reason);
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sendto_match_servs(source_p, shared_p->server,
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CAP_ENCAP, CAP_CLUSTER,
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"ENCAP %s RESV 0 %s 0 :%s",
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shared_p->server, name, reason);
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}
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else if(shared_p->flags & SHARED_TRESV)
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sendto_match_servs(source_p, shared_p->server,
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CAP_ENCAP, NOCAPS,
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"ENCAP %s RESV %d %s 0 :%s",
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shared_p->server, temp_time, name, reason);
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}
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}
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/*
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* mo_unresv()
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* parv[1] = channel/nick to unforbid
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*/
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static void
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mo_unresv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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int propagated = 1;
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if(!IsOperResv(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "resv");
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return;
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}
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if((parc == 4) && (irccmp(parv[2], "ON") == 0))
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{
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if(!IsOperRemoteBan(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS),
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me.name, source_p->name, "remoteban");
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return;
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}
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propagate_generic(source_p, "UNRESV", parv[3], CAP_CLUSTER, "%s", parv[1]);
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if(match(parv[3], me.name) == 0)
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return;
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propagated = 0;
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}
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#if 0
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else if(rb_dlink_list_length(&cluster_conf_list) > 0)
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cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER, "%s", parv[1]);
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#endif
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/* cluster{} moved to remove_resv */
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remove_resv(source_p, parv[1], propagated);
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}
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/* ms_unresv()
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* parv[1] = target server
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* parv[2] = resv to remove
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*/
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static void
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ms_unresv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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/* parv[0] parv[1] parv[2]
|
|
* oper target server resv to remove
|
|
*/
|
|
propagate_generic(source_p, "UNRESV", parv[1], CAP_CLUSTER, "%s", parv[2]);
|
|
|
|
if(!match(parv[1], me.name))
|
|
return;
|
|
|
|
if(!IsPerson(source_p))
|
|
return;
|
|
|
|
handle_remote_unresv(source_p, parv[2]);
|
|
}
|
|
|
|
static void
|
|
me_unresv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
|
|
{
|
|
/* name */
|
|
if(!IsPerson(source_p))
|
|
return;
|
|
|
|
handle_remote_unresv(source_p, parv[1]);
|
|
}
|
|
|
|
static void
|
|
handle_remote_unresv(struct Client *source_p, const char *name)
|
|
{
|
|
if(!find_shared_conf(source_p->username, source_p->host,
|
|
source_p->servptr->name, SHARED_UNRESV))
|
|
return;
|
|
|
|
remove_resv(source_p, name, 0);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
remove_resv(struct Client *source_p, const char *name, int propagated)
|
|
{
|
|
struct ConfItem *aconf = NULL;
|
|
rb_dlink_node *ptr;
|
|
time_t now;
|
|
|
|
if(IsChannelName(name))
|
|
{
|
|
if((aconf = hash_find_resv(name)) == NULL)
|
|
{
|
|
if(propagated && rb_dlink_list_length(&cluster_conf_list))
|
|
cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER, "%s", name);
|
|
|
|
sendto_one_notice(source_p, ":No RESV for %s", name);
|
|
return;
|
|
}
|
|
|
|
if(aconf->lifetime)
|
|
{
|
|
if(!propagated)
|
|
{
|
|
sendto_one_notice(source_p, ":Cannot remove global RESV %s on specific servers", name);
|
|
return;
|
|
}
|
|
ptr = rb_dlinkFind(aconf, &prop_bans);
|
|
if(ptr == NULL)
|
|
return;
|
|
sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
"%s has removed the global RESV for: [%s]",
|
|
get_oper_name(source_p), name);
|
|
ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
|
|
now = rb_current_time();
|
|
if(aconf->created < now)
|
|
aconf->created = now;
|
|
else
|
|
aconf->created++;
|
|
aconf->hold = aconf->created;
|
|
operhash_delete(aconf->info.oper);
|
|
aconf->info.oper = operhash_add(get_oper_name(source_p));
|
|
aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
|
|
sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
|
|
":%s BAN R * %s %lu %d %d * :*",
|
|
source_p->id, aconf->host,
|
|
(unsigned long)aconf->created,
|
|
0,
|
|
(int)(aconf->lifetime - aconf->created));
|
|
deactivate_conf(aconf, ptr, now);
|
|
return;
|
|
}
|
|
else if(propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
|
|
cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER, "%s", name);
|
|
|
|
sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
|
|
ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
|
|
if(!aconf->hold)
|
|
{
|
|
bandb_del(BANDB_RESV, aconf->host, NULL);
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
"%s has removed the RESV for: [%s]",
|
|
get_oper_name(source_p), name);
|
|
}
|
|
else
|
|
{
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
"%s has removed the temporary RESV for: [%s]",
|
|
get_oper_name(source_p), name);
|
|
}
|
|
del_from_resv_hash(name, aconf);
|
|
}
|
|
else
|
|
{
|
|
RB_DLINK_FOREACH(ptr, resv_conf_list.head)
|
|
{
|
|
aconf = ptr->data;
|
|
|
|
if(irccmp(aconf->host, name))
|
|
aconf = NULL;
|
|
else
|
|
break;
|
|
}
|
|
|
|
if(aconf == NULL)
|
|
{
|
|
if(propagated && rb_dlink_list_length(&cluster_conf_list))
|
|
cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER, "%s", name);
|
|
|
|
sendto_one_notice(source_p, ":No RESV for %s", name);
|
|
return;
|
|
}
|
|
|
|
if(aconf->lifetime)
|
|
{
|
|
if(!propagated)
|
|
{
|
|
sendto_one_notice(source_p, ":Cannot remove global RESV %s on specific servers", name);
|
|
return;
|
|
}
|
|
ptr = rb_dlinkFind(aconf, &prop_bans);
|
|
if(ptr == NULL)
|
|
return;
|
|
sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
"%s has removed the global RESV for: [%s]",
|
|
get_oper_name(source_p), name);
|
|
ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
|
|
now = rb_current_time();
|
|
if(aconf->created < now)
|
|
aconf->created = now;
|
|
else
|
|
aconf->created++;
|
|
aconf->hold = aconf->created;
|
|
operhash_delete(aconf->info.oper);
|
|
aconf->info.oper = operhash_add(get_oper_name(source_p));
|
|
aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
|
|
sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
|
|
":%s BAN R * %s %lu %d %d * :*",
|
|
source_p->id, aconf->host,
|
|
(unsigned long)aconf->created,
|
|
0,
|
|
(int)(aconf->lifetime - aconf->created));
|
|
deactivate_conf(aconf, ptr, now);
|
|
return;
|
|
}
|
|
else if(propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
|
|
cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER, "%s", name);
|
|
|
|
sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
|
|
ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
|
|
if(!aconf->hold)
|
|
{
|
|
bandb_del(BANDB_RESV, aconf->host, NULL);
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
"%s has removed the RESV for: [%s]",
|
|
get_oper_name(source_p), name);
|
|
}
|
|
else
|
|
{
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
"%s has removed the temporary RESV for: [%s]",
|
|
get_oper_name(source_p), name);
|
|
}
|
|
/* already have ptr from the loop above.. */
|
|
rb_dlinkDestroy(ptr, &resv_conf_list);
|
|
}
|
|
free_conf(aconf);
|
|
|
|
return;
|
|
}
|