[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.
 */

#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_AV2(xline, NULL, NULL, xline_clist, NULL, NULL, NULL, NULL, NULL);

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.
212380e3 AC	29	*/
	30
	31	#include "stdinc.h"
212380e3 AC	32	#include "send.h"
	33	#include "channel.h"
	34	#include "client.h"
	35	#include "common.h"
	36	#include "config.h"
	37	#include "class.h"
	38	#include "ircd.h"
	39	#include "numeric.h"
4016731b	40	#include "logger.h"
212380e3 AC	41	#include "s_serv.h"
212380e3 AC	42	#include "whowas.h"
4562c604	43	#include "match.h"
212380e3 AC	44	#include "hash.h"
	45	#include "msg.h"
	46	#include "parse.h"
	47	#include "modules.h"
	48	#include "s_conf.h"
	49	#include "s_newconf.h"
35f6f850	50	#include "reject.h"
8bbeb278	51	#include "bandbi.h"
27f616dd	52	#include "operhash.h"
212380e3	53
428ca87b AC	54	static int mo_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	55	static int ms_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	56	static int me_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	57	static int mo_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	58	const char *parv[]);
428ca87b	59	static int ms_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	60	const char *parv[]);
428ca87b	61	static int me_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	62	const char *parv[]);
212380e3 AC	63
212380e3 AC	64	struct Message xline_msgtab = {
7baa37a9	65	"XLINE", 0, 0, 0, 0,
212380e3 AC	66	{mg_unreg, mg_not_oper, {ms_xline, 5}, {ms_xline, 5}, {me_xline, 5}, {mo_xline, 3}}
212380e3 AC	67	};
8bbeb278	68
212380e3	69	struct Message unxline_msgtab = {
7baa37a9	70	"UNXLINE", 0, 0, 0, 0,
212380e3 AC	71	{mg_unreg, mg_not_oper, {ms_unxline, 3}, {ms_unxline, 3}, {me_unxline, 2}, {mo_unxline, 2}}
	72	};
	73
8bbeb278 AC	74	mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL };
8bbeb278 AC	75
105a4985	76	DECLARE_MODULE_AV2(xline, NULL, NULL, xline_clist, NULL, NULL, NULL, NULL, NULL);
212380e3	77
8bbeb278 AC	78	static int valid_xline(struct Client , const char , const char *);
8bbeb278 AC	79	static void apply_xline(struct Client client_p, const char name,
3cbbfb25	80	const char *reason, int temp_time, int propagated);
212380e3	81	static void propagate_xline(struct Client source_p, const char target,
8bbeb278	82	int temp_time, const char name, const char type, const char *reason);
212380e3	83	static void cluster_xline(struct Client *source_p, int temp_time,
8bbeb278	84	const char name, const char reason);
212380e3 AC	85
	86	static void handle_remote_xline(struct Client *source_p, int temp_time,
	87	const char name, const char reason);
	88	static void handle_remote_unxline(struct Client source_p, const char name);
	89
3cbbfb25 JT	90	static void remove_xline(struct Client source_p, const char name,
3cbbfb25 JT	91	int propagated);
212380e3 AC	92
	93
	94	/* m_xline()
	95	*
	96	* parv[1] - thing to xline
	97	* parv[2] - optional type/reason
	98	* parv[3] - reason
	99	*/
	100	static int
428ca87b	101	mo_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	102	{
	103	struct ConfItem *aconf;
	104	const char *name;
	105	const char *reason;
	106	const char *target_server = NULL;
	107	int temp_time;
	108	int loc = 1;
3cbbfb25	109	int propagated = ConfigFileEntry.use_propagated_bans;
212380e3 AC	110
	111	if(!IsOperXline(source_p))
	112	{
8bbeb278	113	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
212380e3 AC	114	return 0;
	115	}
	116
	117	if((temp_time = valid_temp_time(parv[loc])) >= 0)
	118	loc++;
	119	/* we just set temp_time to -1! */
	120	else
	121	temp_time = 0;
	122
	123	name = parv[loc];
	124	loc++;
	125
	126	/* XLINE <gecos> ON <server> :<reason> */
8bbeb278	127	if(parc >= loc + 2 && !irccmp(parv[loc], "ON"))
212380e3 AC	128	{
	129	if(!IsOperRemoteBan(source_p))
	130	{
	131	sendto_one(source_p, form_str(ERR_NOPRIVS),
8bbeb278	132	me.name, source_p->name, "remoteban");
212380e3 AC	133	return 0;
	134	}
	135
8bbeb278	136	target_server = parv[loc + 1];
212380e3 AC	137	loc += 2;
	138	}
	139
	140	if(parc <= loc \|\| EmptyString(parv[loc]))
	141	{
	142	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
8bbeb278	143	me.name, source_p->name, "XLINE");
212380e3 AC	144	return 0;
	145	}
	146
	147	reason = parv[loc];
	148
	149	if(target_server != NULL)
	150	{
8bbeb278	151	propagate_xline(source_p, target_server, temp_time, name, "2", reason);
212380e3 AC	152
	153	if(!match(target_server, me.name))
	154	return 0;
3cbbfb25 JT	155
	156	/* Set as local-only. */
	157	propagated = 0;
212380e3	158	}
3cbbfb25	159	else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
8bbeb278	160	cluster_xline(source_p, temp_time, name, reason);
212380e3	161
8bbeb278	162	if((aconf = find_xline_mask(name)) != NULL)
212380e3 AC	163	{
212380e3 AC	164	sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s",
23959371	165	me.name, source_p->name, name, aconf->host, aconf->passwd);
212380e3 AC	166	return 0;
	167	}
	168
8bbeb278	169	if(!valid_xline(source_p, name, reason))
212380e3 AC	170	return 0;
212380e3 AC	171
3cbbfb25 JT	172	if(propagated && temp_time == 0)
	173	{
	174	sendto_one_notice(source_p, ":Cannot set a permanent global ban");
	175	return 0;
	176	}
	177
	178	apply_xline(source_p, name, reason, temp_time, propagated);
212380e3 AC	179
	180	return 0;
	181	}
	182
	183	/* ms_xline()
	184	*
	185	* handles a remote xline
	186	*/
	187	static int
428ca87b	188	ms_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	189	{
8bbeb278 AC	190	/* parv[0] parv[1] parv[2] parv[3] parv[4]
8bbeb278 AC	191	* oper target serv xline type reason
212380e3 AC	192	*/
	193	propagate_xline(source_p, parv[1], 0, parv[2], parv[3], parv[4]);
	194
	195	if(!IsPerson(source_p))
	196	return 0;
	197
	198	/* destined for me? */
	199	if(!match(parv[1], me.name))
	200	return 0;
	201
	202	handle_remote_xline(source_p, 0, parv[2], parv[4]);
	203	return 0;
	204	}
	205
	206	static int
428ca87b	207	me_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	208	{
	209	/* time name type :reason */
	210	if(!IsPerson(source_p))
	211	return 0;
	212
	213	handle_remote_xline(source_p, atoi(parv[1]), parv[2], parv[4]);
	214	return 0;
	215	}
	216
	217	static void
8bbeb278	218	handle_remote_xline(struct Client source_p, int temp_time, const char name, const char *reason)
212380e3 AC	219	{
	220	struct ConfItem *aconf;
	221
	222	if(!find_shared_conf(source_p->username, source_p->host,
8bbeb278 AC	223	source_p->servptr->name,
8bbeb278 AC	224	(temp_time > 0) ? SHARED_TXLINE : SHARED_PXLINE))
212380e3 AC	225	return;
212380e3 AC	226
8bbeb278	227	if(!valid_xline(source_p, name, reason))
212380e3 AC	228	return;
	229
	230	/* already xlined */
0fdb2570	231	if((aconf = find_xline_mask(name)) != NULL)
212380e3	232	{
23959371	233	sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s", name, aconf->host,
8bbeb278	234	aconf->passwd);
212380e3 AC	235	return;
	236	}
	237
3cbbfb25	238	apply_xline(source_p, name, reason, temp_time, 0);
212380e3 AC	239	}
	240
	241	/* valid_xline()
	242	*
8bbeb278	243	* inputs - client xlining, gecos, reason and whether to warn
212380e3 AC	244	* outputs -
	245	* side effects - checks the xline for validity, erroring if needed
	246	*/
	247	static int
8bbeb278	248	valid_xline(struct Client source_p, const char gecos, const char *reason)
212380e3 AC	249	{
	250	if(EmptyString(reason))
	251	{
	252	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
8bbeb278	253	get_id(&me, source_p), get_id(source_p, source_p), "XLINE");
cc169c94 JT	254	return 0;
	255	}
	256
212380e3 AC	257	if(!valid_wild_card_simple(gecos))
	258	{
	259	sendto_one_notice(source_p,
	260	":Please include at least %d non-wildcard "
	261	"characters with the xline",
	262	ConfigFileEntry.min_nonwildcard_simple);
	263	return 0;
	264	}
	265
	266	return 1;
	267	}
	268
	269	void
3cbbfb25	270	apply_xline(struct Client source_p, const char name, const char *reason, int temp_time, int propagated)
212380e3 AC	271	{
	272	struct ConfItem *aconf;
	273
	274	aconf = make_conf();
	275	aconf->status = CONF_XLINE;
b52c2949	276	aconf->created = rb_current_time();
4418166c	277	aconf->host = rb_strdup(name);
8bbeb278	278	aconf->passwd = rb_strdup(reason);
23959371	279	collapse(aconf->host);
212380e3	280
27f616dd JT	281	aconf->info.oper = operhash_add(get_oper_name(source_p));
27f616dd JT	282
3cbbfb25 JT	283	if(propagated)
	284	{
	285	aconf->flags \|= CONF_FLAGS_MYOPER \| CONF_FLAGS_TEMPORARY;
	286	aconf->hold = rb_current_time() + temp_time;
	287	aconf->lifetime = aconf->hold;
	288
	289	replace_old_ban(aconf);
	290	rb_dlinkAddAlloc(aconf, &prop_bans);
	291
	292	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	293	"%s added global %d min. X-Line for [%s] [%s]",
	294	get_oper_name(source_p), temp_time / 60,
	295	aconf->host, reason);
	296	ilog(L_KLINE, "X %s %d %s %s",
	297	get_oper_name(source_p), temp_time / 60, name, reason);
	298	sendto_one_notice(source_p, ":Added global %d min. X-Line [%s]",
	299	temp_time / 60, aconf->host);
	300	sendto_server(NULL, NULL, CAP_BAN\|CAP_TS6, NOCAPS,
	301	":%s BAN X * %s %lu %d %d * :%s",
	302	source_p->id, aconf->host,
	303	(unsigned long)aconf->created,
	304	(int)(aconf->hold - aconf->created),
	305	(int)(aconf->lifetime - aconf->created),
	306	reason);
	307	}
	308	else if(temp_time > 0)
212380e3	309	{
8bbeb278	310	aconf->hold = rb_current_time() + temp_time;
212380e3	311
8bbeb278 AC	312	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	313	"%s added temporary %d min. X-Line for [%s] [%s]",
	314	get_oper_name(source_p), temp_time / 60,
23959371	315	aconf->host, reason);
8bbeb278 AC	316	ilog(L_KLINE, "X %s %d %s %s",
	317	get_oper_name(source_p), temp_time / 60, name, reason);
	318	sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]",
23959371	319	temp_time / 60, aconf->host);
8bbeb278 AC	320	}
8bbeb278 AC	321	else
212380e3	322	{
8bbeb278	323	sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added X-Line for [%s] [%s]",
23959371	324	get_oper_name(source_p), aconf->host, aconf->passwd);
8bbeb278	325	sendto_one_notice(source_p, ":Added X-Line for [%s] [%s]",
23959371	326	aconf->host, aconf->passwd);
8bbeb278	327
23959371	328	bandb_add(BANDB_XLINE, source_p, aconf->host, NULL, aconf->passwd, NULL, 0);
f36d4fdd	329	ilog(L_KLINE, "X %s 0 %s %s", get_oper_name(source_p), name, aconf->passwd);
212380e3	330	}
8bbeb278 AC	331
	332	rb_dlinkAddAlloc(aconf, &xline_conf_list);
	333	check_xlines();
212380e3 AC	334	}
212380e3 AC	335
8bbeb278	336	static void
212380e3	337	propagate_xline(struct Client source_p, const char target,
8bbeb278	338	int temp_time, const char name, const char type, const char *reason)
212380e3 AC	339	{
	340	if(!temp_time)
	341	{
	342	sendto_match_servs(source_p, target, CAP_CLUSTER, NOCAPS,
8bbeb278	343	"XLINE %s %s %s :%s", target, name, type, reason);
212380e3	344	sendto_match_servs(source_p, target, CAP_ENCAP, CAP_CLUSTER,
8bbeb278	345	"ENCAP %s XLINE %d %s 2 :%s", target, temp_time, name, reason);
212380e3 AC	346	}
	347	else
	348	sendto_match_servs(source_p, target, CAP_ENCAP, NOCAPS,
8bbeb278 AC	349	"ENCAP %s XLINE %d %s %s :%s",
8bbeb278 AC	350	target, temp_time, name, type, reason);
212380e3	351	}
8bbeb278	352
212380e3	353	static void
8bbeb278	354	cluster_xline(struct Client source_p, int temp_time, const char name, const char *reason)
212380e3 AC	355	{
212380e3 AC	356	struct remote_conf *shared_p;
5b96d9a6	357	rb_dlink_node *ptr;
212380e3	358
5b96d9a6	359	RB_DLINK_FOREACH(ptr, cluster_conf_list.head)
212380e3 AC	360	{
	361	shared_p = ptr->data;
	362
	363	/* old protocol cant handle temps, and we dont really want
	364	* to convert them to perm.. --fl
	365	*/
	366	if(!temp_time)
	367	{
	368	if(!(shared_p->flags & SHARED_PXLINE))
	369	continue;
	370
	371	sendto_match_servs(source_p, shared_p->server, CAP_CLUSTER, NOCAPS,
8bbeb278	372	"XLINE %s %s 2 :%s", shared_p->server, name, reason);
212380e3	373	sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, CAP_CLUSTER,
8bbeb278 AC	374	"ENCAP %s XLINE 0 %s 2 :%s",
8bbeb278 AC	375	shared_p->server, name, reason);
212380e3 AC	376	}
	377	else if(shared_p->flags & SHARED_TXLINE)
	378	sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, NOCAPS,
8bbeb278 AC	379	"ENCAP %s XLINE %d %s 2 :%s",
8bbeb278 AC	380	shared_p->server, temp_time, name, reason);
212380e3 AC	381	}
	382	}
	383
	384	/* mo_unxline()
	385	*
	386	* parv[1] - thing to unxline
	387	*/
	388	static int
428ca87b	389	mo_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	390	{
3cbbfb25 JT	391	int propagated = 1;
3cbbfb25 JT	392
212380e3 AC	393	if(!IsOperXline(source_p))
212380e3 AC	394	{
8bbeb278	395	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
212380e3 AC	396	return 0;
	397	}
	398
	399	if(parc == 4 && !(irccmp(parv[2], "ON")))
	400	{
	401	if(!IsOperRemoteBan(source_p))
	402	{
	403	sendto_one(source_p, form_str(ERR_NOPRIVS),
8bbeb278	404	me.name, source_p->name, "remoteban");
212380e3 AC	405	return 0;
	406	}
	407
8bbeb278	408	propagate_generic(source_p, "UNXLINE", parv[3], CAP_CLUSTER, "%s", parv[1]);
212380e3 AC	409
	410	if(match(parv[3], me.name) == 0)
	411	return 0;
3cbbfb25 JT	412
3cbbfb25 JT	413	propagated = 0;
212380e3	414	}
3cbbfb25	415	/* cluster{} moved to remove_xline */
212380e3	416
3cbbfb25	417	remove_xline(source_p, parv[1], propagated);
212380e3 AC	418
	419	return 0;
	420	}
	421
	422	/* ms_unxline()
	423	*
	424	* handles a remote unxline
	425	*/
	426	static int
428ca87b	427	ms_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	428	{
8bbeb278 AC	429	/* parv[0] parv[1] parv[2]
8bbeb278 AC	430	* oper target server gecos
212380e3	431	*/
8bbeb278	432	propagate_generic(source_p, "UNXLINE", parv[1], CAP_CLUSTER, "%s", parv[2]);
212380e3 AC	433
	434	if(!match(parv[1], me.name))
	435	return 0;
	436
	437	if(!IsPerson(source_p))
	438	return 0;
	439
	440	handle_remote_unxline(source_p, parv[2]);
	441	return 0;
	442	}
	443
	444	static int
428ca87b	445	me_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	446	{
	447	/* name */
	448	if(!IsPerson(source_p))
	449	return 0;
	450
	451	handle_remote_unxline(source_p, parv[1]);
	452	return 0;
	453	}
	454
	455	static void
	456	handle_remote_unxline(struct Client source_p, const char name)
	457	{
	458	if(!find_shared_conf(source_p->username, source_p->host,
8bbeb278	459	source_p->servptr->name, SHARED_UNXLINE))
212380e3 AC	460	return;
212380e3 AC	461
3cbbfb25	462	remove_xline(source_p, name, 0);
212380e3 AC	463
	464	return;
	465	}
	466
60c96e64	467	static void
3cbbfb25	468	remove_xline(struct Client source_p, const char name, int propagated)
212380e3 AC	469	{
212380e3 AC	470	struct ConfItem *aconf;
5b96d9a6	471	rb_dlink_node *ptr;
483987a4	472	time_t now;
212380e3	473
5b96d9a6	474	RB_DLINK_FOREACH(ptr, xline_conf_list.head)
212380e3 AC	475	{
	476	aconf = ptr->data;
	477
23959371	478	if(!irccmp(aconf->host, name))
212380e3	479	{
3cbbfb25 JT	480	if(aconf->lifetime)
	481	{
	482	if(!propagated)
	483	{
	484	sendto_one_notice(source_p, ":Cannot remove global X-Line %s on specific servers", name);
	485	return;
	486	}
	487	ptr = rb_dlinkFind(aconf, &prop_bans);
	488	if(ptr == NULL)
	489	return;
	490	sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
	491	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	492	"%s has removed the global X-Line for: [%s]",
	493	get_oper_name(source_p), name);
	494	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
483987a4 JT	495	now = rb_current_time();
	496	if(aconf->created < now)
	497	aconf->created = now;
3cbbfb25 JT	498	else
	499	aconf->created++;
	500	aconf->hold = aconf->created;
	501	operhash_delete(aconf->info.oper);
	502	aconf->info.oper = operhash_add(get_oper_name(source_p));
	503	aconf->flags \|= CONF_FLAGS_MYOPER \| CONF_FLAGS_TEMPORARY;
	504	sendto_server(NULL, NULL, CAP_BAN\|CAP_TS6, NOCAPS,
	505	":%s BAN X * %s %lu %d %d * :*",
	506	source_p->id, aconf->host,
	507	(unsigned long)aconf->created,
	508	0,
	509	(int)(aconf->lifetime - aconf->created));
	510	remove_reject_mask(aconf->host, NULL);
483987a4	511	deactivate_conf(aconf, ptr, now);
3cbbfb25 JT	512	return;
3cbbfb25 JT	513	}
1b5d7c2e	514	else if(propagated && rb_dlink_list_length(&cluster_conf_list))
3cbbfb25	515	cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
8bbeb278	516	if(!aconf->hold)
5408b484	517	{
8bbeb278 AC	518	bandb_del(BANDB_XLINE, aconf->host, NULL);
	519
	520	sendto_one_notice(source_p, ":X-Line for [%s] is removed", aconf->host);
	521	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	522	"%s has removed the X-Line for: [%s]",
	523	get_oper_name(source_p), aconf->host);
	524	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), aconf->host);
5408b484 JT	525	}
	526	else
	527	{
8bbeb278	528	sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
5408b484	529	sendto_realops_snomask(SNO_GENERAL, L_ALL,
8bbeb278 AC	530	"%s has removed the temporary X-Line for: [%s]",
	531	get_oper_name(source_p), name);
	532	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
5408b484	533	}
8bbeb278	534
23959371	535	remove_reject_mask(aconf->host, NULL);
212380e3	536	free_conf(aconf);
555ac41f	537	rb_dlinkDestroy(ptr, &xline_conf_list);
60c96e64	538	return;
212380e3 AC	539	}
	540	}
	541
1b5d7c2e	542	if(propagated && rb_dlink_list_length(&cluster_conf_list))
3cbbfb25 JT	543	cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
3cbbfb25 JT	544
8bbeb278	545	sendto_one_notice(source_p, ":No X-Line for %s", name);
5408b484	546
60c96e64	547	return;
212380e3	548	}