[irc/rqf/shadowircd.git] / modules / m_resv.c

/*
 *  ircd-ratbox: A slightly useful ircd.
 *  m_resv.c: Reserves(jupes) a nickname or channel.
 *
 *  Copyright (C) 2001-2002 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
 *
 *  $Id: m_resv.c 3045 2006-12-26 23:16:57Z jilles $
 */

#include "stdinc.h"
#include "client.h"
#include "channel.h"
#include "ircd.h"
#include "numeric.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "hash.h"
#include "logger.h"

static int mo_resv(struct Client *, struct Client *, int, const char **);
static int ms_resv(struct Client *, struct Client *, int, const char **);
static int me_resv(struct Client *, struct Client *, int, const char **);
static int mo_unresv(struct Client *, struct Client *, int, const char **);
static int ms_unresv(struct Client *, struct Client *, int, const char **);
static int me_unresv(struct Client *, struct Client *, int, const char **);

struct Message resv_msgtab = {
	"RESV", 0, 0, 0, MFLG_SLOW | MFLG_UNREG,
	{mg_ignore, mg_not_oper, {ms_resv, 4}, {ms_resv, 4}, {me_resv, 5}, {mo_resv, 3}}
};
struct Message unresv_msgtab = {
	"UNRESV", 0, 0, 0, MFLG_SLOW | MFLG_UNREG,
	{mg_ignore, mg_not_oper, {ms_unresv, 3}, {ms_unresv, 3}, {me_unresv, 2}, {mo_unresv, 2}}
};

mapi_clist_av1 resv_clist[] = {	&resv_msgtab, &unresv_msgtab, NULL };
DECLARE_MODULE_AV1(resv, NULL, NULL, resv_clist, NULL, NULL, "$Revision: 3045 $");

static void parse_resv(struct Client *source_p, const char *name,
			const char *reason, int temp_time);
static void propagate_resv(struct Client *source_p, const char *target,
			int temp_time, const char *name, const char *reason);
static void cluster_resv(struct Client *source_p, int temp_time, 
			const char *name, const char *reason);

static void handle_remote_unresv(struct Client *source_p, const char *name);
static void remove_resv(struct Client *source_p, const char *name);
static int remove_resv_from_file(struct Client *source_p, const char *name);

/*
 * mo_resv()
 *      parv[1] = channel/nick to forbid
 *      parv[2] = reason
 */
static int
mo_resv(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	const char *name;
	const char *reason;
	const char *target_server = NULL;
	int temp_time;
	int loc = 1;

	if(!IsOperResv(source_p))
	{
		sendto_one(source_p, form_str(ERR_NOPRIVS),
			   me.name, source_p->name, "resv");
		return 0;
	}

	/* RESV [time] <name> [ON <server>] :<reason> */

	if((temp_time = valid_temp_time(parv[loc])) >= 0)
		loc++;
	/* we just set temp_time to -1! */
	else
		temp_time = 0;

	name = parv[loc];
	loc++;

	if((parc >= loc+2) && (irccmp(parv[loc], "ON") == 0))
	{
		if(!IsOperRemoteBan(source_p))
		{
			sendto_one(source_p, form_str(ERR_NOPRIVS),
				me.name, source_p->name, "remoteban");
			return 0;
		}

		target_server = parv[loc+1];
		loc += 2;
	}

	if(parc <= loc || EmptyString(parv[loc]))
	{
		sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
			   me.name, source_p->name, "RESV");
		return 0;
	}

	reason = parv[loc];

	/* remote resv.. */
	if(target_server)
	{
		propagate_resv(source_p, target_server, temp_time, name, reason);

		if(match(target_server, me.name) == 0)
			return 0;
	}
	else if(rb_dlink_list_length(&cluster_conf_list) > 0)
		cluster_resv(source_p, temp_time, name, reason);

	parse_resv(source_p, name, reason, temp_time);

	return 0;
}

/* ms_resv()
 *     parv[1] = target server
 *     parv[2] = channel/nick to forbid
 *     parv[3] = reason
 */
static int
ms_resv(struct Client *client_p, struct Client *source_p,
	int parc, const char *parv[])
{
	/* source_p  parv[1]        parv[2]  parv[3]
	 * oper      target server  resv     reason
	 */
	propagate_resv(source_p, parv[1], 0, parv[2], parv[3]);

	if(!match(parv[1], me.name))
		return 0;

	if(!IsPerson(source_p))
		return 0;

	parse_resv(source_p, parv[2], parv[3], 0);
	return 0;
}

static int
me_resv(struct Client *client_p, struct Client *source_p,
	int parc, const char *parv[])
{
	/* time name 0 :reason */
	if(!IsPerson(source_p))
		return 0;

	parse_resv(source_p, parv[2], parv[4], atoi(parv[1]));
	return 0;
}

/* parse_resv()
 *
 * inputs       - source_p if error messages wanted
 * 		- thing to resv
 * 		- reason for resv
 * outputs	-
 * side effects - will parse the resv and create it if valid
 */
static void
parse_resv(struct Client *source_p, const char *name, 
	   const char *reason, int temp_time)
{
	struct ConfItem *aconf;

	if(!MyClient(source_p) && 
	   !find_shared_conf(source_p->username, source_p->host,
			source_p->servptr->name, 
			(temp_time > 0) ? SHARED_TRESV : SHARED_PRESV))
		return;

	if(IsChannelName(name))
	{
		if(hash_find_resv(name))
		{
			sendto_one_notice(source_p,
					":A RESV has already been placed on channel: %s",
					name);
			return;
		}

		if(strlen(name) > CHANNELLEN)
		{
			sendto_one_notice(source_p, ":Invalid RESV length: %s",
					  name);
			return;
		}

		if(strchr(name, ','))
		{
			sendto_one_notice(source_p,
					":Invalid character ',' in channel RESV");
			return;
		}

		if(strchr(reason, '"'))
		{
			sendto_one_notice(source_p,
					":Invalid character '\"' in comment");
			return;
		}

		aconf = make_conf();
		aconf->status = CONF_RESV_CHANNEL;
		aconf->port = 0;
		aconf->name = rb_strdup(name);
		aconf->passwd = rb_strdup(reason);
		add_to_resv_hash(aconf->name, aconf);

		if(temp_time > 0)
		{
			aconf->hold = rb_current_time() + temp_time;

			sendto_realops_snomask(SNO_GENERAL, L_ALL,
				     "%s added temporary %d min. RESV for [%s] [%s]",
				     get_oper_name(source_p), temp_time / 60,
				     name, reason);
			ilog(L_KLINE, "R %s %d %s %s",
				get_oper_name(source_p), temp_time / 60,
				name, reason);
			sendto_one_notice(source_p, ":Added temporary %d min. RESV [%s]",
					temp_time / 60, name);
		}
		else
			write_confitem(RESV_TYPE, source_p, NULL, aconf->name, 
					aconf->passwd, NULL, NULL, 0);
	}
	else if(clean_resv_nick(name))
	{
		if(strlen(name) > NICKLEN*2)
		{
			sendto_one_notice(source_p, ":Invalid RESV length: %s",
					   name);
			return;
		}

		if(strchr(reason, '"'))
		{
			sendto_one_notice(source_p,
					":Invalid character '\"' in comment");
			return;
		}

		if(!valid_wild_card_simple(name))
		{
			sendto_one_notice(source_p,
					   ":Please include at least %d non-wildcard "
					   "characters with the resv",
					   ConfigFileEntry.min_nonwildcard_simple);
			return;
		}

		if(find_nick_resv_mask(name))
		{
			sendto_one_notice(source_p,
					   ":A RESV has already been placed on nick: %s",
					   name);
			return;
		}

		aconf = make_conf();
		aconf->status = CONF_RESV_NICK;
		aconf->port = 0;
		aconf->name = rb_strdup(name);
		aconf->passwd = rb_strdup(reason);
		rb_dlinkAddAlloc(aconf, &resv_conf_list);

		if(temp_time > 0)
		{
			aconf->hold = rb_current_time() + temp_time;

			sendto_realops_snomask(SNO_GENERAL, L_ALL,
				     "%s added temporary %d min. RESV for [%s] [%s]",
				     get_oper_name(source_p), temp_time / 60,
				     name, reason);
			ilog(L_KLINE, "R %s %d %s %s",
				get_oper_name(source_p), temp_time / 60,
				name, reason);
			sendto_one_notice(source_p, ":Added temporary %d min. RESV [%s]",
					temp_time / 60, name);
		}
		else
			write_confitem(RESV_TYPE, source_p, NULL, aconf->name, 
					aconf->passwd, NULL, NULL, 0);
	}
	else
		sendto_one_notice(source_p,
				  ":You have specified an invalid resv: [%s]",
				  name);
}

static void 
propagate_resv(struct Client *source_p, const char *target,
		int temp_time, const char *name, const char *reason)
{
	if(!temp_time)
	{
		sendto_match_servs(source_p, target,
				CAP_CLUSTER, NOCAPS,
				"RESV %s %s :%s",
				target, name, reason);
		sendto_match_servs(source_p, target,
				CAP_ENCAP, CAP_CLUSTER,
				"ENCAP %s RESV %d %s 0 :%s",
				target, temp_time, name, reason);
	}
	else
		sendto_match_servs(source_p, target,
				CAP_ENCAP, NOCAPS,
				"ENCAP %s RESV %d %s 0 :%s",
				target, temp_time, name, reason);
}

static void
cluster_resv(struct Client *source_p, int temp_time, const char *name,
		const char *reason)
{
	struct remote_conf *shared_p;
	rb_dlink_node *ptr;

	RB_DLINK_FOREACH(ptr, cluster_conf_list.head)
	{
		shared_p = ptr->data;

		/* old protocol cant handle temps, and we dont really want
		 * to convert them to perm.. --fl
		 */
		if(!temp_time)
		{
			if(!(shared_p->flags & SHARED_PRESV))
				continue;

			sendto_match_servs(source_p, shared_p->server,
					CAP_CLUSTER, NOCAPS,
					"RESV %s %s :%s",
					shared_p->server, name, reason);
			sendto_match_servs(source_p, shared_p->server,
					CAP_ENCAP, CAP_CLUSTER,
					"ENCAP %s RESV 0 %s 0 :%s",
					shared_p->server, name, reason);
		}
		else if(shared_p->flags & SHARED_TRESV)
			sendto_match_servs(source_p, shared_p->server,
					CAP_ENCAP, NOCAPS,
					"ENCAP %s RESV %d %s 0 :%s",
					shared_p->server, temp_time, name, reason);
	}
}


/*
 * mo_unresv()
 *     parv[1] = channel/nick to unforbid
 */
static int
mo_unresv(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	if(!IsOperResv(source_p))
	{
		sendto_one(source_p, form_str(ERR_NOPRIVS),
			   me.name, source_p->name, "resv");
		return 0;
	}

	if((parc == 4) && (irccmp(parv[2], "ON") == 0))
	{
		if(!IsOperRemoteBan(source_p))
		{
			sendto_one(source_p, form_str(ERR_NOPRIVS),
				me.name, source_p->name, "remoteban");
			return 0;
		}

		propagate_generic(source_p, "UNRESV", parv[3], CAP_CLUSTER,
				"%s", parv[1]);

		if(match(parv[3], me.name) == 0)
			return 0;
	}
	else if(rb_dlink_list_length(&cluster_conf_list) > 0)
		cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER,
				"%s", parv[1]);

	remove_resv(source_p, parv[1]);
	return 0;
}

/* ms_unresv()
 *     parv[1] = target server
 *     parv[2] = resv to remove
 */
static int
ms_unresv(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	/* source_p  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 0;

	if(!IsPerson(source_p))
		return 0;

	handle_remote_unresv(source_p, parv[2]);
	return 0;
}

static int
me_unresv(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	/* name */
	if(!IsPerson(source_p))
		return 0;

	handle_remote_unresv(source_p, parv[1]);
	return 0;
}

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);

	return;
}

static void
remove_resv(struct Client *source_p, const char *name)
{
	struct ConfItem *aconf = NULL;

	if(IsChannelName(name))
	{
		if((aconf = hash_find_resv(name)) == NULL)
		{
			sendto_one_notice(source_p, ":No RESV for %s", name);
			return;
		}

		if(!aconf->hold)
		{
			if (!remove_resv_from_file(source_p, name))
				return;
		}
		else
		{
			sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
			sendto_realops_snomask(SNO_GENERAL, L_ALL,
					"%s has removed the RESV for: [%s]", 
					get_oper_name(source_p), name);
			ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
		}
		del_from_resv_hash(name, aconf);
	}
	else
	{
		rb_dlink_node *ptr;

		RB_DLINK_FOREACH(ptr, resv_conf_list.head)
		{
			aconf = ptr->data;

			if(irccmp(aconf->name, name))
				aconf = NULL;
			else
				break;
		}

		if(aconf == NULL)
		{
			sendto_one_notice(source_p, ":No RESV for %s", name);
			return;
		}

		if(!aconf->hold)
		{
			if (!remove_resv_from_file(source_p, name))
				return;
		}
		else
		{
			sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
			sendto_realops_snomask(SNO_GENERAL, L_ALL,
					"%s has removed the RESV for: [%s]", 
					get_oper_name(source_p), name);
			ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
		}
		/* already have ptr from the loop above.. */
		rb_dlinkDestroy(ptr, &resv_conf_list);
	}
	free_conf(aconf);

	return;
}

/* remove_resv_from_file()
 *
 * inputs	- client removing the resv
 * 		- resv to remove
 * outputs	-
 * side effects - resv if found, is removed from conf
 *              - does not touch resv hash or resv_conf_list
 */
static int
remove_resv_from_file(struct Client *source_p, const char *name)
{
	FILE *in, *out;
	char buf[BUFSIZE];
	char buff[BUFSIZE];
	char temppath[BUFSIZE];
	const char *filename;
	mode_t oldumask;
	char *p;
	int error_on_write = 0;
	int found_resv = 0;

	rb_sprintf(temppath, "%s.tmp", ConfigFileEntry.resvfile);
	filename = get_conf_name(RESV_TYPE);

	if((in = fopen(filename, "r")) == NULL)
	{
		sendto_one_notice(source_p, ":Cannot open %s", filename);
		return 0;
	}

	oldumask = umask(0);

	if((out = fopen(temppath, "w")) == NULL)
	{
		sendto_one_notice(source_p, ":Cannot open %s", temppath);
		fclose(in);
		umask(oldumask);
		return 0;
	}

	umask(oldumask);

	while (fgets(buf, sizeof(buf), in))
	{
		const char *resv_name;

		if(error_on_write)
		{
			if(temppath != NULL)
				(void) unlink(temppath);

			break;
		}

		rb_strlcpy(buff, buf, sizeof(buff));

		if((p = strchr(buff, '\n')) != NULL)
			*p = '\0';

		if((*buff == '\0') || (*buff == '#'))
		{
			error_on_write = (fputs(buf, out) < 0) ? YES : NO;
			continue;
		}

		if((resv_name = getfield(buff)) == NULL)
		{
			error_on_write = (fputs(buf, out) < 0) ? YES : NO;
			continue;
		}

		if(irccmp(resv_name, name) == 0)
		{
			found_resv++;
		}
		else
		{
			error_on_write = (fputs(buf, out) < 0) ? YES : NO;
		}
	}

	fclose(in);
	if (fclose(out))
		error_on_write = YES;

	if(error_on_write)
	{
		sendto_one_notice(source_p, ":Couldn't write temp resv file, aborted");
		return 0;
	}
	else if(!found_resv)
	{
		sendto_one_notice(source_p, ":Cannot find RESV for %s in file", name);

		if(temppath != NULL)
			(void) unlink(temppath);

		return 0;
	}

	if (rename(temppath, filename))
	{
		sendto_one_notice(source_p, ":Couldn't rename temp file, aborted");
		return 0;
	}

	sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
	sendto_realops_snomask(SNO_GENERAL, L_ALL,
			     "%s has removed the RESV for: [%s]", get_oper_name(source_p), name);
	ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);

	return 1;
}
Commit	Line	Data
212380e3	1	/*
	2	* ircd-ratbox: A slightly useful ircd.
	3	* m_resv.c: Reserves(jupes) a nickname or channel.
	4	*
	5	* Copyright (C) 2001-2002 Hybrid Development Team
	6	* Copyright (C) 2002-2005 ircd-ratbox development team
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
	21	* USA
	22	*
	23	* $Id: m_resv.c 3045 2006-12-26 23:16:57Z jilles $
	24	*/
	25
	26	#include "stdinc.h"
	27	#include "client.h"
	28	#include "channel.h"
	29	#include "ircd.h"
	30	#include "numeric.h"
	31	#include "s_serv.h"
	32	#include "send.h"
	33	#include "msg.h"
	34	#include "parse.h"
	35	#include "modules.h"
	36	#include "s_conf.h"
	37	#include "s_newconf.h"
	38	#include "hash.h"
d3455e2c	39	#include "logger.h"
212380e3	40
	41	static int mo_resv(struct Client , struct Client , int, const char **);
	42	static int ms_resv(struct Client , struct Client , int, const char **);
	43	static int me_resv(struct Client , struct Client , int, const char **);
	44	static int mo_unresv(struct Client , struct Client , int, const char **);
	45	static int ms_unresv(struct Client , struct Client , int, const char **);
	46	static int me_unresv(struct Client , struct Client , int, const char **);
	47
	48	struct Message resv_msgtab = {
	49	"RESV", 0, 0, 0, MFLG_SLOW \| MFLG_UNREG,
	50	{mg_ignore, mg_not_oper, {ms_resv, 4}, {ms_resv, 4}, {me_resv, 5}, {mo_resv, 3}}
	51	};
	52	struct Message unresv_msgtab = {
	53	"UNRESV", 0, 0, 0, MFLG_SLOW \| MFLG_UNREG,
	54	{mg_ignore, mg_not_oper, {ms_unresv, 3}, {ms_unresv, 3}, {me_unresv, 2}, {mo_unresv, 2}}
	55	};
	56
	57	mapi_clist_av1 resv_clist[] = { &resv_msgtab, &unresv_msgtab, NULL };
	58	DECLARE_MODULE_AV1(resv, NULL, NULL, resv_clist, NULL, NULL, "$Revision: 3045 $");
	59
	60	static void parse_resv(struct Client source_p, const char name,
	61	const char *reason, int temp_time);
	62	static void propagate_resv(struct Client source_p, const char target,
	63	int temp_time, const char name, const char reason);
	64	static void cluster_resv(struct Client *source_p, int temp_time,
	65	const char name, const char reason);
	66
	67	static void handle_remote_unresv(struct Client source_p, const char name);
	68	static void remove_resv(struct Client source_p, const char name);
1328da86	69	static int remove_resv_from_file(struct Client source_p, const char name);
212380e3	70
	71	/*
	72	* mo_resv()
212380e3	73	* parv[1] = channel/nick to forbid
	74	* parv[2] = reason
	75	*/
	76	static int
	77	mo_resv(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	78	{
	79	const char *name;
	80	const char *reason;
	81	const char *target_server = NULL;
	82	int temp_time;
	83	int loc = 1;
	84
1ebe6ffc JT	85	if(!IsOperResv(source_p))
	86	{
	87	sendto_one(source_p, form_str(ERR_NOPRIVS),
	88	me.name, source_p->name, "resv");
	89	return 0;
	90	}
	91
212380e3	92	/* RESV [time] <name> [ON <server>] :<reason> */
	93
	94	if((temp_time = valid_temp_time(parv[loc])) >= 0)
	95	loc++;
	96	/* we just set temp_time to -1! */
	97	else
	98	temp_time = 0;
	99
	100	name = parv[loc];
	101	loc++;
	102
	103	if((parc >= loc+2) && (irccmp(parv[loc], "ON") == 0))
	104	{
	105	if(!IsOperRemoteBan(source_p))
	106	{
	107	sendto_one(source_p, form_str(ERR_NOPRIVS),
	108	me.name, source_p->name, "remoteban");
	109	return 0;
	110	}
	111
	112	target_server = parv[loc+1];
	113	loc += 2;
	114	}
	115
	116	if(parc <= loc \|\| EmptyString(parv[loc]))
	117	{
	118	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
	119	me.name, source_p->name, "RESV");
	120	return 0;
	121	}
	122
	123	reason = parv[loc];
	124
	125	/* remote resv.. */
	126	if(target_server)
	127	{
	128	propagate_resv(source_p, target_server, temp_time, name, reason);
	129
	130	if(match(target_server, me.name) == 0)
	131	return 0;
	132	}
08d11e34	133	else if(rb_dlink_list_length(&cluster_conf_list) > 0)
212380e3	134	cluster_resv(source_p, temp_time, name, reason);
	135
	136	parse_resv(source_p, name, reason, temp_time);
	137
	138	return 0;
	139	}
	140
	141	/* ms_resv()
212380e3	142	* parv[1] = target server
	143	* parv[2] = channel/nick to forbid
	144	* parv[3] = reason
	145	*/
	146	static int
	147	ms_resv(struct Client client_p, struct Client source_p,
	148	int parc, const char *parv[])
	149	{
77f3c1f4 JT	150	/* source_p parv[1] parv[2] parv[3]
77f3c1f4 JT	151	* oper target server resv reason
212380e3	152	*/
	153	propagate_resv(source_p, parv[1], 0, parv[2], parv[3]);
	154
	155	if(!match(parv[1], me.name))
	156	return 0;
	157
	158	if(!IsPerson(source_p))
	159	return 0;
	160
	161	parse_resv(source_p, parv[2], parv[3], 0);
	162	return 0;
	163	}
	164
	165	static int
	166	me_resv(struct Client client_p, struct Client source_p,
	167	int parc, const char *parv[])
	168	{
	169	/* time name 0 :reason */
	170	if(!IsPerson(source_p))
	171	return 0;
	172
	173	parse_resv(source_p, parv[2], parv[4], atoi(parv[1]));
	174	return 0;
	175	}
	176
	177	/* parse_resv()
	178	*
	179	* inputs - source_p if error messages wanted
	180	* - thing to resv
	181	* - reason for resv
	182	* outputs -
	183	* side effects - will parse the resv and create it if valid
	184	*/
	185	static void
	186	parse_resv(struct Client source_p, const char name,
	187	const char *reason, int temp_time)
	188	{
	189	struct ConfItem *aconf;
	190
	191	if(!MyClient(source_p) &&
	192	!find_shared_conf(source_p->username, source_p->host,
c88cdb00	193	source_p->servptr->name,
212380e3	194	(temp_time > 0) ? SHARED_TRESV : SHARED_PRESV))
	195	return;
	196
	197	if(IsChannelName(name))
	198	{
	199	if(hash_find_resv(name))
	200	{
	201	sendto_one_notice(source_p,
	202	":A RESV has already been placed on channel: %s",
	203	name);
	204	return;
	205	}
	206
	207	if(strlen(name) > CHANNELLEN)
	208	{
	209	sendto_one_notice(source_p, ":Invalid RESV length: %s",
	210	name);
	211	return;
	212	}
6e5b8a5d JT	213
	214	if(strchr(name, ','))
	215	{
	216	sendto_one_notice(source_p,
	217	":Invalid character ',' in channel RESV");
	218	return;
	219	}
212380e3	220
	221	if(strchr(reason, '"'))
	222	{
	223	sendto_one_notice(source_p,
	224	":Invalid character '\"' in comment");
	225	return;
	226	}
	227
	228	aconf = make_conf();
	229	aconf->status = CONF_RESV_CHANNEL;
	230	aconf->port = 0;
bf019bb0	231	aconf->name = rb_strdup(name);
62d28946	232	aconf->passwd = rb_strdup(reason);
bf019bb0	233	add_to_resv_hash(aconf->name, aconf);
212380e3	234
	235	if(temp_time > 0)
	236	{
9f6bbe3c	237	aconf->hold = rb_current_time() + temp_time;
212380e3	238
	239	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	240	"%s added temporary %d min. RESV for [%s] [%s]",
	241	get_oper_name(source_p), temp_time / 60,
	242	name, reason);
	243	ilog(L_KLINE, "R %s %d %s %s",
	244	get_oper_name(source_p), temp_time / 60,
	245	name, reason);
	246	sendto_one_notice(source_p, ":Added temporary %d min. RESV [%s]",
	247	temp_time / 60, name);
	248	}
	249	else
bf019bb0	250	write_confitem(RESV_TYPE, source_p, NULL, aconf->name,
212380e3	251	aconf->passwd, NULL, NULL, 0);
	252	}
	253	else if(clean_resv_nick(name))
	254	{
	255	if(strlen(name) > NICKLEN*2)
	256	{
	257	sendto_one_notice(source_p, ":Invalid RESV length: %s",
	258	name);
	259	return;
	260	}
	261
	262	if(strchr(reason, '"'))
	263	{
	264	sendto_one_notice(source_p,
	265	":Invalid character '\"' in comment");
	266	return;
	267	}
	268
	269	if(!valid_wild_card_simple(name))
	270	{
	271	sendto_one_notice(source_p,
	272	":Please include at least %d non-wildcard "
	273	"characters with the resv",
	274	ConfigFileEntry.min_nonwildcard_simple);
	275	return;
	276	}
	277
0fdb2570	278	if(find_nick_resv_mask(name))
212380e3	279	{
	280	sendto_one_notice(source_p,
	281	":A RESV has already been placed on nick: %s",
	282	name);
	283	return;
	284	}
	285
	286	aconf = make_conf();
	287	aconf->status = CONF_RESV_NICK;
	288	aconf->port = 0;
bf019bb0	289	aconf->name = rb_strdup(name);
62d28946	290	aconf->passwd = rb_strdup(reason);
7f4fa195	291	rb_dlinkAddAlloc(aconf, &resv_conf_list);
212380e3	292
	293	if(temp_time > 0)
	294	{
9f6bbe3c	295	aconf->hold = rb_current_time() + temp_time;
212380e3	296
	297	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	298	"%s added temporary %d min. RESV for [%s] [%s]",
	299	get_oper_name(source_p), temp_time / 60,
	300	name, reason);
	301	ilog(L_KLINE, "R %s %d %s %s",
	302	get_oper_name(source_p), temp_time / 60,
	303	name, reason);
	304	sendto_one_notice(source_p, ":Added temporary %d min. RESV [%s]",
	305	temp_time / 60, name);
	306	}
	307	else
bf019bb0	308	write_confitem(RESV_TYPE, source_p, NULL, aconf->name,
212380e3	309	aconf->passwd, NULL, NULL, 0);
	310	}
	311	else
	312	sendto_one_notice(source_p,
	313	":You have specified an invalid resv: [%s]",
	314	name);
	315	}
	316
	317	static void
	318	propagate_resv(struct Client source_p, const char target,
	319	int temp_time, const char name, const char reason)
	320	{
	321	if(!temp_time)
	322	{
	323	sendto_match_servs(source_p, target,
	324	CAP_CLUSTER, NOCAPS,
	325	"RESV %s %s :%s",
	326	target, name, reason);
	327	sendto_match_servs(source_p, target,
	328	CAP_ENCAP, CAP_CLUSTER,
	329	"ENCAP %s RESV %d %s 0 :%s",
	330	target, temp_time, name, reason);
	331	}
	332	else
	333	sendto_match_servs(source_p, target,
	334	CAP_ENCAP, NOCAPS,
	335	"ENCAP %s RESV %d %s 0 :%s",
	336	target, temp_time, name, reason);
	337	}
	338
	339	static void
	340	cluster_resv(struct Client source_p, int temp_time, const char name,
	341	const char *reason)
	342	{
	343	struct remote_conf *shared_p;
08d11e34	344	rb_dlink_node *ptr;
212380e3	345
08d11e34	346	RB_DLINK_FOREACH(ptr, cluster_conf_list.head)
212380e3	347	{
	348	shared_p = ptr->data;
	349
	350	/* old protocol cant handle temps, and we dont really want
	351	* to convert them to perm.. --fl
	352	*/
	353	if(!temp_time)
	354	{
	355	if(!(shared_p->flags & SHARED_PRESV))
	356	continue;
	357
	358	sendto_match_servs(source_p, shared_p->server,
	359	CAP_CLUSTER, NOCAPS,
	360	"RESV %s %s :%s",
	361	shared_p->server, name, reason);
	362	sendto_match_servs(source_p, shared_p->server,
	363	CAP_ENCAP, CAP_CLUSTER,
	364	"ENCAP %s RESV 0 %s 0 :%s",
	365	shared_p->server, name, reason);
	366	}
	367	else if(shared_p->flags & SHARED_TRESV)
	368	sendto_match_servs(source_p, shared_p->server,
	369	CAP_ENCAP, NOCAPS,
	370	"ENCAP %s RESV %d %s 0 :%s",
	371	shared_p->server, temp_time, name, reason);
	372	}
	373	}
	374
	375
	376	/*
	377	* mo_unresv()
212380e3	378	* parv[1] = channel/nick to unforbid
	379	*/
	380	static int
	381	mo_unresv(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	382	{
1ebe6ffc JT	383	if(!IsOperResv(source_p))
	384	{
	385	sendto_one(source_p, form_str(ERR_NOPRIVS),
	386	me.name, source_p->name, "resv");
	387	return 0;
	388	}
	389
212380e3	390	if((parc == 4) && (irccmp(parv[2], "ON") == 0))
	391	{
	392	if(!IsOperRemoteBan(source_p))
	393	{
	394	sendto_one(source_p, form_str(ERR_NOPRIVS),
	395	me.name, source_p->name, "remoteban");
	396	return 0;
	397	}
	398
	399	propagate_generic(source_p, "UNRESV", parv[3], CAP_CLUSTER,
	400	"%s", parv[1]);
	401
	402	if(match(parv[3], me.name) == 0)
	403	return 0;
	404	}
08d11e34	405	else if(rb_dlink_list_length(&cluster_conf_list) > 0)
212380e3	406	cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER,
	407	"%s", parv[1]);
	408
212380e3	409	remove_resv(source_p, parv[1]);
	410	return 0;
	411	}
	412
	413	/* ms_unresv()
212380e3	414	* parv[1] = target server
	415	* parv[2] = resv to remove
	416	*/
	417	static int
	418	ms_unresv(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	419	{
77f3c1f4 JT	420	/* source_p parv[1] parv[2]
77f3c1f4 JT	421	* oper target server resv to remove
212380e3	422	*/
	423	propagate_generic(source_p, "UNRESV", parv[1], CAP_CLUSTER,
	424	"%s", parv[2]);
	425
	426	if(!match(parv[1], me.name))
	427	return 0;
	428
	429	if(!IsPerson(source_p))
	430	return 0;
	431
	432	handle_remote_unresv(source_p, parv[2]);
	433	return 0;
	434	}
	435
	436	static int
	437	me_unresv(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	438	{
	439	/* name */
	440	if(!IsPerson(source_p))
	441	return 0;
	442
	443	handle_remote_unresv(source_p, parv[1]);
	444	return 0;
	445	}
	446
	447	static void
	448	handle_remote_unresv(struct Client source_p, const char name)
	449	{
	450	if(!find_shared_conf(source_p->username, source_p->host,
c88cdb00	451	source_p->servptr->name, SHARED_UNRESV))
212380e3	452	return;
212380e3	453
212380e3	454	remove_resv(source_p, name);
	455
	456	return;
	457	}
	458
1328da86 JT	459	static void
1328da86 JT	460	remove_resv(struct Client source_p, const char name)
212380e3	461	{
	462	struct ConfItem *aconf = NULL;
	463
	464	if(IsChannelName(name))
	465	{
	466	if((aconf = hash_find_resv(name)) == NULL)
1328da86 JT	467	{
	468	sendto_one_notice(source_p, ":No RESV for %s", name);
	469	return;
	470	}
212380e3	471
212380e3	472	if(!aconf->hold)
1328da86 JT	473	{
	474	if (!remove_resv_from_file(source_p, name))
	475	return;
	476	}
	477	else
	478	{
	479	sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
	480	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	481	"%s has removed the RESV for: [%s]",
	482	get_oper_name(source_p), name);
	483	ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
	484	}
212380e3	485	del_from_resv_hash(name, aconf);
212380e3	486	}
	487	else
	488	{
08d11e34	489	rb_dlink_node *ptr;
212380e3	490
08d11e34	491	RB_DLINK_FOREACH(ptr, resv_conf_list.head)
212380e3	492	{
	493	aconf = ptr->data;
	494
bf019bb0	495	if(irccmp(aconf->name, name))
212380e3	496	aconf = NULL;
	497	else
	498	break;
	499	}
	500
	501	if(aconf == NULL)
1328da86 JT	502	{
	503	sendto_one_notice(source_p, ":No RESV for %s", name);
	504	return;
	505	}
212380e3	506
212380e3	507	if(!aconf->hold)
1328da86 JT	508	{
	509	if (!remove_resv_from_file(source_p, name))
	510	return;
	511	}
	512	else
	513	{
	514	sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
	515	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	516	"%s has removed the RESV for: [%s]",
	517	get_oper_name(source_p), name);
	518	ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
	519	}
212380e3	520	/* already have ptr from the loop above.. */
9f6c3353	521	rb_dlinkDestroy(ptr, &resv_conf_list);
212380e3	522	}
1328da86	523	free_conf(aconf);
212380e3	524
1328da86	525	return;
212380e3	526	}
212380e3	527
1328da86	528	/* remove_resv_from_file()
212380e3	529	*
	530	* inputs - client removing the resv
	531	* - resv to remove
	532	* outputs -
1328da86 JT	533	* side effects - resv if found, is removed from conf
1328da86 JT	534	* - does not touch resv hash or resv_conf_list
212380e3	535	*/
1328da86 JT	536	static int
1328da86 JT	537	remove_resv_from_file(struct Client source_p, const char name)
212380e3	538	{
	539	FILE in, out;
	540	char buf[BUFSIZE];
	541	char buff[BUFSIZE];
	542	char temppath[BUFSIZE];
	543	const char *filename;
	544	mode_t oldumask;
	545	char *p;
	546	int error_on_write = 0;
	547	int found_resv = 0;
	548
581fa5c4	549	rb_sprintf(temppath, "%s.tmp", ConfigFileEntry.resvfile);
212380e3	550	filename = get_conf_name(RESV_TYPE);
	551
	552	if((in = fopen(filename, "r")) == NULL)
	553	{
	554	sendto_one_notice(source_p, ":Cannot open %s", filename);
1328da86	555	return 0;
212380e3	556	}
	557
	558	oldumask = umask(0);
	559
	560	if((out = fopen(temppath, "w")) == NULL)
	561	{
	562	sendto_one_notice(source_p, ":Cannot open %s", temppath);
	563	fclose(in);
	564	umask(oldumask);
1328da86	565	return 0;
212380e3	566	}
	567
	568	umask(oldumask);
	569
	570	while (fgets(buf, sizeof(buf), in))
	571	{
	572	const char *resv_name;
	573
	574	if(error_on_write)
	575	{
	576	if(temppath != NULL)
	577	(void) unlink(temppath);
	578
	579	break;
	580	}
	581
907468c4	582	rb_strlcpy(buff, buf, sizeof(buff));
212380e3	583
	584	if((p = strchr(buff, '\n')) != NULL)
	585	*p = '\0';
	586
	587	if((buff == '\0') \|\| (buff == '#'))
	588	{
	589	error_on_write = (fputs(buf, out) < 0) ? YES : NO;
	590	continue;
	591	}
	592
	593	if((resv_name = getfield(buff)) == NULL)
	594	{
	595	error_on_write = (fputs(buf, out) < 0) ? YES : NO;
	596	continue;
	597	}
	598
	599	if(irccmp(resv_name, name) == 0)
	600	{
	601	found_resv++;
	602	}
	603	else
	604	{
	605	error_on_write = (fputs(buf, out) < 0) ? YES : NO;
	606	}
	607	}
	608
	609	fclose(in);
	610	if (fclose(out))
	611	error_on_write = YES;
	612
	613	if(error_on_write)
	614	{
	615	sendto_one_notice(source_p, ":Couldn't write temp resv file, aborted");
1328da86	616	return 0;
212380e3	617	}
	618	else if(!found_resv)
	619	{
1328da86	620	sendto_one_notice(source_p, ":Cannot find RESV for %s in file", name);
212380e3	621
	622	if(temppath != NULL)
	623	(void) unlink(temppath);
	624
1328da86	625	return 0;
212380e3	626	}
	627
	628	if (rename(temppath, filename))
	629	{
	630	sendto_one_notice(source_p, ":Couldn't rename temp file, aborted");
1328da86	631	return 0;
212380e3	632	}
212380e3	633
	634	sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
	635	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	636	"%s has removed the RESV for: [%s]", get_oper_name(source_p), name);
	637	ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
1328da86 JT	638
1328da86 JT	639	return 1;
212380e3	640	}