[solanum.git] / modules / m_xline.c

/* modules/m_xline.c
 *
 *  Copyright (C) 2002-2003 Lee Hardy <lee@leeh.co.uk>
 *  Copyright (C) 2002-2005 ircd-ratbox development team
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1.Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * 2.Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * 3.The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id$
 */

#include "stdinc.h"
#include "send.h"
#include "channel.h"
#include "client.h"
#include "common.h"
#include "config.h"
#include "class.h"
#include "ircd.h"
#include "numeric.h"
#include "logger.h"
#include "s_serv.h"
#include "whowas.h"
#include "match.h"
#include "hash.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "reject.h"
#include "bandbi.h"
#include "operhash.h"

static int mo_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
static int ms_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
static int me_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
static int mo_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc,
		      const char *parv[]);
static int ms_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc,
		      const char *parv[]);
static int me_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc,
		      const char *parv[]);

struct Message xline_msgtab = {
	"XLINE", 0, 0, 0, 0,
	{mg_unreg, mg_not_oper, {ms_xline, 5}, {ms_xline, 5}, {me_xline, 5}, {mo_xline, 3}}
};

struct Message unxline_msgtab = {
	"UNXLINE", 0, 0, 0, 0,
	{mg_unreg, mg_not_oper, {ms_unxline, 3}, {ms_unxline, 3}, {me_unxline, 2}, {mo_unxline, 2}}
};

mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL };

DECLARE_MODULE_AV1(xline, NULL, NULL, xline_clist, NULL, NULL, "$Revision$");

static int valid_xline(struct Client *, const char *, const char *);
static void apply_xline(struct Client *client_p, const char *name,
			const char *reason, int temp_time, int propagated);
static void propagate_xline(struct Client *source_p, const char *target,
			    int temp_time, const char *name, const char *type, const char *reason);
static void cluster_xline(struct Client *source_p, int temp_time,
			  const char *name, const char *reason);

static void handle_remote_xline(struct Client *source_p, int temp_time,
				const char *name, const char *reason);
static void handle_remote_unxline(struct Client *source_p, const char *name);

static void remove_xline(struct Client *source_p, const char *name,
			 int propagated);


/* m_xline()
 *
 * parv[1] - thing to xline
 * parv[2] - optional type/reason
 * parv[3] - reason
 */
static int
mo_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	struct ConfItem *aconf;
	const char *name;
	const char *reason;
	const char *target_server = NULL;
	int temp_time;
	int loc = 1;
	int propagated = ConfigFileEntry.use_propagated_bans;

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

	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++;

	/* XLINE <gecos> ON <server> :<reason> */
	if(parc >= loc + 2 && !irccmp(parv[loc], "ON"))
	{
		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, "XLINE");
		return 0;
	}

	reason = parv[loc];

	if(target_server != NULL)
	{
		propagate_xline(source_p, target_server, temp_time, name, "2", reason);

		if(!match(target_server, me.name))
			return 0;

		/* Set as local-only. */
		propagated = 0;
	}
	else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
		cluster_xline(source_p, temp_time, name, reason);

	if((aconf = find_xline_mask(name)) != NULL)
	{
		sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s",
			   me.name, source_p->name, name, aconf->host, aconf->passwd);
		return 0;
	}

	if(!valid_xline(source_p, name, reason))
		return 0;

	if(propagated && temp_time == 0)
	{
		sendto_one_notice(source_p, ":Cannot set a permanent global ban");
		return 0;
	}

	apply_xline(source_p, name, reason, temp_time, propagated);

	return 0;
}

/* ms_xline()
 *
 * handles a remote xline
 */
static int
ms_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	/* parv[0]  parv[1]      parv[2]  parv[3]  parv[4]
	 * oper     target serv  xline    type     reason
	 */
	propagate_xline(source_p, parv[1], 0, parv[2], parv[3], parv[4]);

	if(!IsPerson(source_p))
		return 0;

	/* destined for me? */
	if(!match(parv[1], me.name))
		return 0;

	handle_remote_xline(source_p, 0, parv[2], parv[4]);
	return 0;
}

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

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

static void
handle_remote_xline(struct Client *source_p, int temp_time, const char *name, const char *reason)
{
	struct ConfItem *aconf;

	if(!find_shared_conf(source_p->username, source_p->host,
			     source_p->servptr->name,
			     (temp_time > 0) ? SHARED_TXLINE : SHARED_PXLINE))
		return;

	if(!valid_xline(source_p, name, reason))
		return;

	/* already xlined */
	if((aconf = find_xline_mask(name)) != NULL)
	{
		sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s", name, aconf->host,
				  aconf->passwd);
		return;
	}

	apply_xline(source_p, name, reason, temp_time, 0);
}

/* valid_xline()
 *
 * inputs	- client xlining, gecos, reason and whether to warn
 * outputs	-
 * side effects - checks the xline for validity, erroring if needed
 */
static int
valid_xline(struct Client *source_p, const char *gecos, const char *reason)
{
	if(EmptyString(reason))
	{
		sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
			   get_id(&me, source_p), get_id(source_p, source_p), "XLINE");
		return 0;
	}

	if(!valid_wild_card_simple(gecos))
	{
		sendto_one_notice(source_p,
				  ":Please include at least %d non-wildcard "
				  "characters with the xline",
				  ConfigFileEntry.min_nonwildcard_simple);
		return 0;
	}

	return 1;
}

void
apply_xline(struct Client *source_p, const char *name, const char *reason, int temp_time, int propagated)
{
	struct ConfItem *aconf;

	aconf = make_conf();
	aconf->status = CONF_XLINE;
	aconf->created = rb_current_time();
	aconf->host = rb_strdup(name);
	aconf->passwd = rb_strdup(reason);
	collapse(aconf->host);

	aconf->info.oper = operhash_add(get_oper_name(source_p));

	if(propagated)
	{
		aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
		aconf->hold = rb_current_time() + temp_time;
		aconf->lifetime = aconf->hold;

		replace_old_ban(aconf);
		rb_dlinkAddAlloc(aconf, &prop_bans);

		sendto_realops_snomask(SNO_GENERAL, L_ALL,
				       "%s added global %d min. X-Line for [%s] [%s]",
				       get_oper_name(source_p), temp_time / 60,
				       aconf->host, reason);
		ilog(L_KLINE, "X %s %d %s %s",
		     get_oper_name(source_p), temp_time / 60, name, reason);
		sendto_one_notice(source_p, ":Added global %d min. X-Line [%s]",
				  temp_time / 60, aconf->host);
		sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
				":%s BAN X * %s %lu %d %d * :%s",
				source_p->id, aconf->host,
				(unsigned long)aconf->created,
				(int)(aconf->hold - aconf->created),
				(int)(aconf->lifetime - aconf->created),
				reason);
	}
	else if(temp_time > 0)
	{
		aconf->hold = rb_current_time() + temp_time;

		sendto_realops_snomask(SNO_GENERAL, L_ALL,
				       "%s added temporary %d min. X-Line for [%s] [%s]",
				       get_oper_name(source_p), temp_time / 60,
				       aconf->host, reason);
		ilog(L_KLINE, "X %s %d %s %s",
		     get_oper_name(source_p), temp_time / 60, name, reason);
		sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]",
				  temp_time / 60, aconf->host);
	}
	else
	{
		sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added X-Line for [%s] [%s]",
				       get_oper_name(source_p), aconf->host, aconf->passwd);
		sendto_one_notice(source_p, ":Added X-Line for [%s] [%s]",
				  aconf->host, aconf->passwd);

		bandb_add(BANDB_XLINE, source_p, aconf->host, NULL, aconf->passwd, NULL, 0);
		ilog(L_KLINE, "X %s 0 %s %s", get_oper_name(source_p), name, aconf->passwd);
	}

	rb_dlinkAddAlloc(aconf, &xline_conf_list);
	check_xlines();
}

static void
propagate_xline(struct Client *source_p, const char *target,
		int temp_time, const char *name, const char *type, const char *reason)
{
	if(!temp_time)
	{
		sendto_match_servs(source_p, target, CAP_CLUSTER, NOCAPS,
				   "XLINE %s %s %s :%s", target, name, type, reason);
		sendto_match_servs(source_p, target, CAP_ENCAP, CAP_CLUSTER,
				   "ENCAP %s XLINE %d %s 2 :%s", target, temp_time, name, reason);
	}
	else
		sendto_match_servs(source_p, target, CAP_ENCAP, NOCAPS,
				   "ENCAP %s XLINE %d %s %s :%s",
				   target, temp_time, name, type, reason);
}

static void
cluster_xline(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_PXLINE))
				continue;

			sendto_match_servs(source_p, shared_p->server, CAP_CLUSTER, NOCAPS,
					   "XLINE %s %s 2 :%s", shared_p->server, name, reason);
			sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, CAP_CLUSTER,
					   "ENCAP %s XLINE 0 %s 2 :%s",
					   shared_p->server, name, reason);
		}
		else if(shared_p->flags & SHARED_TXLINE)
			sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, NOCAPS,
					   "ENCAP %s XLINE %d %s 2 :%s",
					   shared_p->server, temp_time, name, reason);
	}
}

/* mo_unxline()
 *
 * parv[1] - thing to unxline
 */
static int
mo_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	int propagated = 1;

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

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

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

		if(match(parv[3], me.name) == 0)
			return 0;

		propagated = 0;
	}
	/* cluster{} moved to remove_xline */

	remove_xline(source_p, parv[1], propagated);

	return 0;
}

/* ms_unxline()
 *
 * handles a remote unxline
 */
static int
ms_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	/* parv[0]  parv[1]        parv[2]
	 * oper     target server  gecos
	 */
	propagate_generic(source_p, "UNXLINE", parv[1], CAP_CLUSTER, "%s", parv[2]);

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

	if(!IsPerson(source_p))
		return 0;

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

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

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

static void
handle_remote_unxline(struct Client *source_p, const char *name)
{
	if(!find_shared_conf(source_p->username, source_p->host,
			     source_p->servptr->name, SHARED_UNXLINE))
		return;

	remove_xline(source_p, name, 0);

	return;
}

static void
remove_xline(struct Client *source_p, const char *name, int propagated)
{
	struct ConfItem *aconf;
	rb_dlink_node *ptr;
	time_t now;

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

		if(!irccmp(aconf->host, name))
		{
			if(aconf->lifetime)
			{
				if(!propagated)
				{
					sendto_one_notice(source_p, ":Cannot remove global X-Line %s on specific servers", name);
					return;
				}
				ptr = rb_dlinkFind(aconf, &prop_bans);
				if(ptr == NULL)
					return;
				sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
				sendto_realops_snomask(SNO_GENERAL, L_ALL,
						       "%s has removed the global X-Line for: [%s]",
						       get_oper_name(source_p), name);
				ilog(L_KLINE, "UX %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 X * %s %lu %d %d * :*",
						source_p->id, aconf->host,
						(unsigned long)aconf->created,
						0,
						(int)(aconf->lifetime - aconf->created));
				remove_reject_mask(aconf->host, NULL);
				deactivate_conf(aconf, ptr, now);
				return;
			}
			else if(propagated && rb_dlink_list_length(&cluster_conf_list))
				cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
			if(!aconf->hold)
			{
				bandb_del(BANDB_XLINE, aconf->host, NULL);

				sendto_one_notice(source_p, ":X-Line for [%s] is removed", aconf->host);
				sendto_realops_snomask(SNO_GENERAL, L_ALL,
						       "%s has removed the X-Line for: [%s]",
						       get_oper_name(source_p), aconf->host);
				ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), aconf->host);
			}
			else
			{
				sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
				sendto_realops_snomask(SNO_GENERAL, L_ALL,
						       "%s has removed the temporary X-Line for: [%s]",
						       get_oper_name(source_p), name);
				ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
			}

			remove_reject_mask(aconf->host, NULL);
			free_conf(aconf);
			rb_dlinkDestroy(ptr, &xline_conf_list);
			return;
		}
	}

	if(propagated && rb_dlink_list_length(&cluster_conf_list))
		cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);

	sendto_one_notice(source_p, ":No X-Line for %s", name);

	return;
}
Commit	Line	Data
212380e3	1	/* modules/m_xline.c
55abcbb2	2	*
212380e3 AC	3	* Copyright (C) 2002-2003 Lee Hardy <lee@leeh.co.uk>
	4	* Copyright (C) 2002-2005 ircd-ratbox development team
	5	*
	6	* Redistribution and use in source and binary forms, with or without
	7	* modification, are permitted provided that the following conditions are
	8	* met:
	9	*
	10	* 1.Redistributions of source code must retain the above copyright notice,
	11	* this list of conditions and the following disclaimer.
	12	* 2.Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	* 3.The name of the author may not be used to endorse or promote products
	16	* derived from this software without specific prior written permission.
	17	*
	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	20	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	21	* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	22	* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	23	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	24	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	25	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	26	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	27	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	28	* POSSIBILITY OF SUCH DAMAGE.
	29	*
8bbeb278	30	* $Id$
212380e3 AC	31	*/
	32
	33	#include "stdinc.h"
212380e3 AC	34	#include "send.h"
	35	#include "channel.h"
	36	#include "client.h"
	37	#include "common.h"
	38	#include "config.h"
	39	#include "class.h"
	40	#include "ircd.h"
	41	#include "numeric.h"
4016731b	42	#include "logger.h"
212380e3 AC	43	#include "s_serv.h"
212380e3 AC	44	#include "whowas.h"
4562c604	45	#include "match.h"
212380e3 AC	46	#include "hash.h"
	47	#include "msg.h"
	48	#include "parse.h"
	49	#include "modules.h"
	50	#include "s_conf.h"
	51	#include "s_newconf.h"
35f6f850	52	#include "reject.h"
8bbeb278	53	#include "bandbi.h"
27f616dd	54	#include "operhash.h"
212380e3	55
428ca87b AC	56	static int mo_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	57	static int ms_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	58	static int me_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	59	static int mo_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	60	const char *parv[]);
428ca87b	61	static int ms_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	62	const char *parv[]);
428ca87b	63	static int me_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	64	const char *parv[]);
212380e3 AC	65
212380e3 AC	66	struct Message xline_msgtab = {
7baa37a9	67	"XLINE", 0, 0, 0, 0,
212380e3 AC	68	{mg_unreg, mg_not_oper, {ms_xline, 5}, {ms_xline, 5}, {me_xline, 5}, {mo_xline, 3}}
212380e3 AC	69	};
8bbeb278	70
212380e3	71	struct Message unxline_msgtab = {
7baa37a9	72	"UNXLINE", 0, 0, 0, 0,
212380e3 AC	73	{mg_unreg, mg_not_oper, {ms_unxline, 3}, {ms_unxline, 3}, {me_unxline, 2}, {mo_unxline, 2}}
	74	};
	75
8bbeb278 AC	76	mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL };
	77
	78	DECLARE_MODULE_AV1(xline, NULL, NULL, xline_clist, NULL, NULL, "$Revision$");
212380e3	79
8bbeb278 AC	80	static int valid_xline(struct Client , const char , const char *);
8bbeb278 AC	81	static void apply_xline(struct Client client_p, const char name,
3cbbfb25	82	const char *reason, int temp_time, int propagated);
212380e3	83	static void propagate_xline(struct Client source_p, const char target,
8bbeb278	84	int temp_time, const char name, const char type, const char *reason);
212380e3	85	static void cluster_xline(struct Client *source_p, int temp_time,
8bbeb278	86	const char name, const char reason);
212380e3 AC	87
	88	static void handle_remote_xline(struct Client *source_p, int temp_time,
	89	const char name, const char reason);
	90	static void handle_remote_unxline(struct Client source_p, const char name);
	91
3cbbfb25 JT	92	static void remove_xline(struct Client source_p, const char name,
3cbbfb25 JT	93	int propagated);
212380e3 AC	94
	95
	96	/* m_xline()
	97	*
	98	* parv[1] - thing to xline
	99	* parv[2] - optional type/reason
	100	* parv[3] - reason
	101	*/
	102	static int
428ca87b	103	mo_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	104	{
	105	struct ConfItem *aconf;
	106	const char *name;
	107	const char *reason;
	108	const char *target_server = NULL;
	109	int temp_time;
	110	int loc = 1;
3cbbfb25	111	int propagated = ConfigFileEntry.use_propagated_bans;
212380e3 AC	112
	113	if(!IsOperXline(source_p))
	114	{
8bbeb278	115	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
212380e3 AC	116	return 0;
	117	}
	118
	119	if((temp_time = valid_temp_time(parv[loc])) >= 0)
	120	loc++;
	121	/* we just set temp_time to -1! */
	122	else
	123	temp_time = 0;
	124
	125	name = parv[loc];
	126	loc++;
	127
	128	/* XLINE <gecos> ON <server> :<reason> */
8bbeb278	129	if(parc >= loc + 2 && !irccmp(parv[loc], "ON"))
212380e3 AC	130	{
	131	if(!IsOperRemoteBan(source_p))
	132	{
	133	sendto_one(source_p, form_str(ERR_NOPRIVS),
8bbeb278	134	me.name, source_p->name, "remoteban");
212380e3 AC	135	return 0;
	136	}
	137
8bbeb278	138	target_server = parv[loc + 1];
212380e3 AC	139	loc += 2;
	140	}
	141
	142	if(parc <= loc \|\| EmptyString(parv[loc]))
	143	{
	144	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
8bbeb278	145	me.name, source_p->name, "XLINE");
212380e3 AC	146	return 0;
	147	}
	148
	149	reason = parv[loc];
	150
	151	if(target_server != NULL)
	152	{
8bbeb278	153	propagate_xline(source_p, target_server, temp_time, name, "2", reason);
212380e3 AC	154
	155	if(!match(target_server, me.name))
	156	return 0;
3cbbfb25 JT	157
	158	/* Set as local-only. */
	159	propagated = 0;
212380e3	160	}
3cbbfb25	161	else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
8bbeb278	162	cluster_xline(source_p, temp_time, name, reason);
212380e3	163
8bbeb278	164	if((aconf = find_xline_mask(name)) != NULL)
212380e3 AC	165	{
212380e3 AC	166	sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s",
23959371	167	me.name, source_p->name, name, aconf->host, aconf->passwd);
212380e3 AC	168	return 0;
	169	}
	170
8bbeb278	171	if(!valid_xline(source_p, name, reason))
212380e3 AC	172	return 0;
212380e3 AC	173
3cbbfb25 JT	174	if(propagated && temp_time == 0)
	175	{
	176	sendto_one_notice(source_p, ":Cannot set a permanent global ban");
	177	return 0;
	178	}
	179
	180	apply_xline(source_p, name, reason, temp_time, propagated);
212380e3 AC	181
	182	return 0;
	183	}
	184
	185	/* ms_xline()
	186	*
	187	* handles a remote xline
	188	*/
	189	static int
428ca87b	190	ms_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	191	{
8bbeb278 AC	192	/* parv[0] parv[1] parv[2] parv[3] parv[4]
8bbeb278 AC	193	* oper target serv xline type reason
212380e3 AC	194	*/
	195	propagate_xline(source_p, parv[1], 0, parv[2], parv[3], parv[4]);
	196
	197	if(!IsPerson(source_p))
	198	return 0;
	199
	200	/* destined for me? */
	201	if(!match(parv[1], me.name))
	202	return 0;
	203
	204	handle_remote_xline(source_p, 0, parv[2], parv[4]);
	205	return 0;
	206	}
	207
	208	static int
428ca87b	209	me_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	210	{
	211	/* time name type :reason */
	212	if(!IsPerson(source_p))
	213	return 0;
	214
	215	handle_remote_xline(source_p, atoi(parv[1]), parv[2], parv[4]);
	216	return 0;
	217	}
	218
	219	static void
8bbeb278	220	handle_remote_xline(struct Client source_p, int temp_time, const char name, const char *reason)
212380e3 AC	221	{
	222	struct ConfItem *aconf;
	223
	224	if(!find_shared_conf(source_p->username, source_p->host,
8bbeb278 AC	225	source_p->servptr->name,
8bbeb278 AC	226	(temp_time > 0) ? SHARED_TXLINE : SHARED_PXLINE))
212380e3 AC	227	return;
212380e3 AC	228
8bbeb278	229	if(!valid_xline(source_p, name, reason))
212380e3 AC	230	return;
	231
	232	/* already xlined */
0fdb2570	233	if((aconf = find_xline_mask(name)) != NULL)
212380e3	234	{
23959371	235	sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s", name, aconf->host,
8bbeb278	236	aconf->passwd);
212380e3 AC	237	return;
	238	}
	239
3cbbfb25	240	apply_xline(source_p, name, reason, temp_time, 0);
212380e3 AC	241	}
	242
	243	/* valid_xline()
	244	*
8bbeb278	245	* inputs - client xlining, gecos, reason and whether to warn
212380e3 AC	246	* outputs -
	247	* side effects - checks the xline for validity, erroring if needed
	248	*/
	249	static int
8bbeb278	250	valid_xline(struct Client source_p, const char gecos, const char *reason)
212380e3 AC	251	{
	252	if(EmptyString(reason))
	253	{
	254	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
8bbeb278	255	get_id(&me, source_p), get_id(source_p, source_p), "XLINE");
cc169c94 JT	256	return 0;
	257	}
	258
212380e3 AC	259	if(!valid_wild_card_simple(gecos))
	260	{
	261	sendto_one_notice(source_p,
	262	":Please include at least %d non-wildcard "
	263	"characters with the xline",
	264	ConfigFileEntry.min_nonwildcard_simple);
	265	return 0;
	266	}
	267
	268	return 1;
	269	}
	270
	271	void
3cbbfb25	272	apply_xline(struct Client source_p, const char name, const char *reason, int temp_time, int propagated)
212380e3 AC	273	{
	274	struct ConfItem *aconf;
	275
	276	aconf = make_conf();
	277	aconf->status = CONF_XLINE;
b52c2949	278	aconf->created = rb_current_time();
4418166c	279	aconf->host = rb_strdup(name);
8bbeb278	280	aconf->passwd = rb_strdup(reason);
23959371	281	collapse(aconf->host);
212380e3	282
27f616dd JT	283	aconf->info.oper = operhash_add(get_oper_name(source_p));
27f616dd JT	284
3cbbfb25 JT	285	if(propagated)
	286	{
	287	aconf->flags \|= CONF_FLAGS_MYOPER \| CONF_FLAGS_TEMPORARY;
	288	aconf->hold = rb_current_time() + temp_time;
	289	aconf->lifetime = aconf->hold;
	290
	291	replace_old_ban(aconf);
	292	rb_dlinkAddAlloc(aconf, &prop_bans);
	293
	294	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	295	"%s added global %d min. X-Line for [%s] [%s]",
	296	get_oper_name(source_p), temp_time / 60,
	297	aconf->host, reason);
	298	ilog(L_KLINE, "X %s %d %s %s",
	299	get_oper_name(source_p), temp_time / 60, name, reason);
	300	sendto_one_notice(source_p, ":Added global %d min. X-Line [%s]",
	301	temp_time / 60, aconf->host);
	302	sendto_server(NULL, NULL, CAP_BAN\|CAP_TS6, NOCAPS,
	303	":%s BAN X * %s %lu %d %d * :%s",
	304	source_p->id, aconf->host,
	305	(unsigned long)aconf->created,
	306	(int)(aconf->hold - aconf->created),
	307	(int)(aconf->lifetime - aconf->created),
	308	reason);
	309	}
	310	else if(temp_time > 0)
212380e3	311	{
8bbeb278	312	aconf->hold = rb_current_time() + temp_time;
212380e3	313
8bbeb278 AC	314	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	315	"%s added temporary %d min. X-Line for [%s] [%s]",
	316	get_oper_name(source_p), temp_time / 60,
23959371	317	aconf->host, reason);
8bbeb278 AC	318	ilog(L_KLINE, "X %s %d %s %s",
	319	get_oper_name(source_p), temp_time / 60, name, reason);
	320	sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]",
23959371	321	temp_time / 60, aconf->host);
8bbeb278 AC	322	}
8bbeb278 AC	323	else
212380e3	324	{
8bbeb278	325	sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added X-Line for [%s] [%s]",
23959371	326	get_oper_name(source_p), aconf->host, aconf->passwd);
8bbeb278	327	sendto_one_notice(source_p, ":Added X-Line for [%s] [%s]",
23959371	328	aconf->host, aconf->passwd);
8bbeb278	329
23959371	330	bandb_add(BANDB_XLINE, source_p, aconf->host, NULL, aconf->passwd, NULL, 0);
f36d4fdd	331	ilog(L_KLINE, "X %s 0 %s %s", get_oper_name(source_p), name, aconf->passwd);
212380e3	332	}
8bbeb278 AC	333
	334	rb_dlinkAddAlloc(aconf, &xline_conf_list);
	335	check_xlines();
212380e3 AC	336	}
212380e3 AC	337
8bbeb278	338	static void
212380e3	339	propagate_xline(struct Client source_p, const char target,
8bbeb278	340	int temp_time, const char name, const char type, const char *reason)
212380e3 AC	341	{
	342	if(!temp_time)
	343	{
	344	sendto_match_servs(source_p, target, CAP_CLUSTER, NOCAPS,
8bbeb278	345	"XLINE %s %s %s :%s", target, name, type, reason);
212380e3	346	sendto_match_servs(source_p, target, CAP_ENCAP, CAP_CLUSTER,
8bbeb278	347	"ENCAP %s XLINE %d %s 2 :%s", target, temp_time, name, reason);
212380e3 AC	348	}
	349	else
	350	sendto_match_servs(source_p, target, CAP_ENCAP, NOCAPS,
8bbeb278 AC	351	"ENCAP %s XLINE %d %s %s :%s",
8bbeb278 AC	352	target, temp_time, name, type, reason);
212380e3	353	}
8bbeb278	354
212380e3	355	static void
8bbeb278	356	cluster_xline(struct Client source_p, int temp_time, const char name, const char *reason)
212380e3 AC	357	{
212380e3 AC	358	struct remote_conf *shared_p;
5b96d9a6	359	rb_dlink_node *ptr;
212380e3	360
5b96d9a6	361	RB_DLINK_FOREACH(ptr, cluster_conf_list.head)
212380e3 AC	362	{
	363	shared_p = ptr->data;
	364
	365	/* old protocol cant handle temps, and we dont really want
	366	* to convert them to perm.. --fl
	367	*/
	368	if(!temp_time)
	369	{
	370	if(!(shared_p->flags & SHARED_PXLINE))
	371	continue;
	372
	373	sendto_match_servs(source_p, shared_p->server, CAP_CLUSTER, NOCAPS,
8bbeb278	374	"XLINE %s %s 2 :%s", shared_p->server, name, reason);
212380e3	375	sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, CAP_CLUSTER,
8bbeb278 AC	376	"ENCAP %s XLINE 0 %s 2 :%s",
8bbeb278 AC	377	shared_p->server, name, reason);
212380e3 AC	378	}
	379	else if(shared_p->flags & SHARED_TXLINE)
	380	sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, NOCAPS,
8bbeb278 AC	381	"ENCAP %s XLINE %d %s 2 :%s",
8bbeb278 AC	382	shared_p->server, temp_time, name, reason);
212380e3 AC	383	}
	384	}
	385
	386	/* mo_unxline()
	387	*
	388	* parv[1] - thing to unxline
	389	*/
	390	static int
428ca87b	391	mo_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	392	{
3cbbfb25 JT	393	int propagated = 1;
3cbbfb25 JT	394
212380e3 AC	395	if(!IsOperXline(source_p))
212380e3 AC	396	{
8bbeb278	397	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
212380e3 AC	398	return 0;
	399	}
	400
	401	if(parc == 4 && !(irccmp(parv[2], "ON")))
	402	{
	403	if(!IsOperRemoteBan(source_p))
	404	{
	405	sendto_one(source_p, form_str(ERR_NOPRIVS),
8bbeb278	406	me.name, source_p->name, "remoteban");
212380e3 AC	407	return 0;
	408	}
	409
8bbeb278	410	propagate_generic(source_p, "UNXLINE", parv[3], CAP_CLUSTER, "%s", parv[1]);
212380e3 AC	411
	412	if(match(parv[3], me.name) == 0)
	413	return 0;
3cbbfb25 JT	414
3cbbfb25 JT	415	propagated = 0;
212380e3	416	}
3cbbfb25	417	/* cluster{} moved to remove_xline */
212380e3	418
3cbbfb25	419	remove_xline(source_p, parv[1], propagated);
212380e3 AC	420
	421	return 0;
	422	}
	423
	424	/* ms_unxline()
	425	*
	426	* handles a remote unxline
	427	*/
	428	static int
428ca87b	429	ms_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	430	{
8bbeb278 AC	431	/* parv[0] parv[1] parv[2]
8bbeb278 AC	432	* oper target server gecos
212380e3	433	*/
8bbeb278	434	propagate_generic(source_p, "UNXLINE", parv[1], CAP_CLUSTER, "%s", parv[2]);
212380e3 AC	435
	436	if(!match(parv[1], me.name))
	437	return 0;
	438
	439	if(!IsPerson(source_p))
	440	return 0;
	441
	442	handle_remote_unxline(source_p, parv[2]);
	443	return 0;
	444	}
	445
	446	static int
428ca87b	447	me_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	448	{
	449	/* name */
	450	if(!IsPerson(source_p))
	451	return 0;
	452
	453	handle_remote_unxline(source_p, parv[1]);
	454	return 0;
	455	}
	456
	457	static void
	458	handle_remote_unxline(struct Client source_p, const char name)
	459	{
	460	if(!find_shared_conf(source_p->username, source_p->host,
8bbeb278	461	source_p->servptr->name, SHARED_UNXLINE))
212380e3 AC	462	return;
212380e3 AC	463
3cbbfb25	464	remove_xline(source_p, name, 0);
212380e3 AC	465
	466	return;
	467	}
	468
60c96e64	469	static void
3cbbfb25	470	remove_xline(struct Client source_p, const char name, int propagated)
212380e3 AC	471	{
212380e3 AC	472	struct ConfItem *aconf;
5b96d9a6	473	rb_dlink_node *ptr;
483987a4	474	time_t now;
212380e3	475
5b96d9a6	476	RB_DLINK_FOREACH(ptr, xline_conf_list.head)
212380e3 AC	477	{
	478	aconf = ptr->data;
	479
23959371	480	if(!irccmp(aconf->host, name))
212380e3	481	{
3cbbfb25 JT	482	if(aconf->lifetime)
	483	{
	484	if(!propagated)
	485	{
	486	sendto_one_notice(source_p, ":Cannot remove global X-Line %s on specific servers", name);
	487	return;
	488	}
	489	ptr = rb_dlinkFind(aconf, &prop_bans);
	490	if(ptr == NULL)
	491	return;
	492	sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
	493	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	494	"%s has removed the global X-Line for: [%s]",
	495	get_oper_name(source_p), name);
	496	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
483987a4 JT	497	now = rb_current_time();
	498	if(aconf->created < now)
	499	aconf->created = now;
3cbbfb25 JT	500	else
	501	aconf->created++;
	502	aconf->hold = aconf->created;
	503	operhash_delete(aconf->info.oper);
	504	aconf->info.oper = operhash_add(get_oper_name(source_p));
	505	aconf->flags \|= CONF_FLAGS_MYOPER \| CONF_FLAGS_TEMPORARY;
	506	sendto_server(NULL, NULL, CAP_BAN\|CAP_TS6, NOCAPS,
	507	":%s BAN X * %s %lu %d %d * :*",
	508	source_p->id, aconf->host,
	509	(unsigned long)aconf->created,
	510	0,
	511	(int)(aconf->lifetime - aconf->created));
	512	remove_reject_mask(aconf->host, NULL);
483987a4	513	deactivate_conf(aconf, ptr, now);
3cbbfb25 JT	514	return;
3cbbfb25 JT	515	}
1b5d7c2e	516	else if(propagated && rb_dlink_list_length(&cluster_conf_list))
3cbbfb25	517	cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
8bbeb278	518	if(!aconf->hold)
5408b484	519	{
8bbeb278 AC	520	bandb_del(BANDB_XLINE, aconf->host, NULL);
	521
	522	sendto_one_notice(source_p, ":X-Line for [%s] is removed", aconf->host);
	523	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	524	"%s has removed the X-Line for: [%s]",
	525	get_oper_name(source_p), aconf->host);
	526	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), aconf->host);
5408b484 JT	527	}
	528	else
	529	{
8bbeb278	530	sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
5408b484	531	sendto_realops_snomask(SNO_GENERAL, L_ALL,
8bbeb278 AC	532	"%s has removed the temporary X-Line for: [%s]",
	533	get_oper_name(source_p), name);
	534	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
5408b484	535	}
8bbeb278	536
23959371	537	remove_reject_mask(aconf->host, NULL);
212380e3	538	free_conf(aconf);
555ac41f	539	rb_dlinkDestroy(ptr, &xline_conf_list);
60c96e64	540	return;
212380e3 AC	541	}
	542	}
	543
1b5d7c2e	544	if(propagated && rb_dlink_list_length(&cluster_conf_list))
3cbbfb25 JT	545	cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
3cbbfb25 JT	546
8bbeb278	547	sendto_one_notice(source_p, ":No X-Line for %s", name);
5408b484	548
60c96e64	549	return;
212380e3	550	}