[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 "defaults.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 const char xline_desc[] =
	"Provides management of GECOS bans via (UN)XLINE command";

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

static bool 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, bool 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,
			 bool propagated);

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, xline_desc);

/* m_xline()
 *
 * parv[1] - thing to xline
 * parv[2] - optional type/reason
 * parv[3] - reason
 */
static void
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;
	bool propagated = ConfigFileEntry.use_propagated_bans;

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

	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;
		}

		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;
	}

	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;

		/* Set as local-only. */
		propagated = false;
	}
	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;
	}

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

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

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

/* ms_xline()
 *
 * handles a remote xline
 */
static void
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;

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

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

static void
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;

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

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, false);
}

/* valid_xline()
 *
 * inputs	- client xlining, gecos, reason and whether to warn
 * outputs	-
 * side effects - checks the xline for validity, erroring if needed
 */
static bool
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 false;
	}

	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 false;
	}

	return true;
}

void
apply_xline(struct Client *source_p, const char *name, const char *reason, int temp_time, bool 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 void
mo_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	bool propagated = true;

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

	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;
		}

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

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

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

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

/* ms_unxline()
 *
 * handles a remote unxline
 */
static void
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;

	if(!IsPerson(source_p))
		return;

	handle_remote_unxline(source_p, parv[2]);
}

static void
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;

	handle_remote_unxline(source_p, parv[1]);
}

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, false);
}

static void
remove_xline(struct Client *source_p, const char *name, bool 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);
}
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"
9b8e9eb3	36	#include "defaults.h"
212380e3 AC	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
eeabf33a EM	54	static const char xline_desc[] =
	55	"Provides management of GECOS bans via (UN)XLINE command";
	56
3c7d6fcc EM	57	static void mo_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	58	static void ms_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	59	static void me_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	60	static void mo_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	61	const char *parv[]);
3c7d6fcc	62	static void ms_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	63	const char *parv[]);
3c7d6fcc	64	static void me_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	65	const char *parv[]);
212380e3	66
3c7d6fcc	67	static bool valid_xline(struct Client , const char , const char *);
8bbeb278	68	static void apply_xline(struct Client client_p, const char name,
f66f0baa	69	const char *reason, int temp_time, bool propagated);
212380e3	70	static void propagate_xline(struct Client source_p, const char target,
8bbeb278	71	int temp_time, const char name, const char type, const char *reason);
212380e3	72	static void cluster_xline(struct Client *source_p, int temp_time,
8bbeb278	73	const char name, const char reason);
212380e3 AC	74
	75	static void handle_remote_xline(struct Client *source_p, int temp_time,
	76	const char name, const char reason);
	77	static void handle_remote_unxline(struct Client source_p, const char name);
3cbbfb25	78	static void remove_xline(struct Client source_p, const char name,
f66f0baa	79	bool propagated);
212380e3	80
eeabf33a EM	81	struct Message xline_msgtab = {
	82	"XLINE", 0, 0, 0, 0,
	83	{mg_unreg, mg_not_oper, {ms_xline, 5}, {ms_xline, 5}, {me_xline, 5}, {mo_xline, 3}}
	84	};
	85
	86	struct Message unxline_msgtab = {
	87	"UNXLINE", 0, 0, 0, 0,
	88	{mg_unreg, mg_not_oper, {ms_unxline, 3}, {ms_unxline, 3}, {me_unxline, 2}, {mo_unxline, 2}}
	89	};
	90
	91	mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL };
	92
	93	DECLARE_MODULE_AV2(xline, NULL, NULL, xline_clist, NULL, NULL, NULL, NULL, xline_desc);
212380e3 AC	94
	95	/* m_xline()
	96	*
	97	* parv[1] - thing to xline
	98	* parv[2] - optional type/reason
	99	* parv[3] - reason
	100	*/
3c7d6fcc	101	static void
428ca87b	102	mo_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	103	{
	104	struct ConfItem *aconf;
	105	const char *name;
	106	const char *reason;
	107	const char *target_server = NULL;
	108	int temp_time;
	109	int loc = 1;
f66f0baa	110	bool propagated = ConfigFileEntry.use_propagated_bans;
212380e3 AC	111
	112	if(!IsOperXline(source_p))
	113	{
8bbeb278	114	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
3c7d6fcc	115	return;
212380e3 AC	116	}
	117
	118	if((temp_time = valid_temp_time(parv[loc])) >= 0)
	119	loc++;
	120	/* we just set temp_time to -1! */
	121	else
	122	temp_time = 0;
	123
	124	name = parv[loc];
	125	loc++;
	126
	127	/* XLINE <gecos> ON <server> :<reason> */
8bbeb278	128	if(parc >= loc + 2 && !irccmp(parv[loc], "ON"))
212380e3 AC	129	{
	130	if(!IsOperRemoteBan(source_p))
	131	{
	132	sendto_one(source_p, form_str(ERR_NOPRIVS),
8bbeb278	133	me.name, source_p->name, "remoteban");
3c7d6fcc	134	return;
212380e3 AC	135	}
212380e3 AC	136
8bbeb278	137	target_server = parv[loc + 1];
212380e3 AC	138	loc += 2;
	139	}
	140
	141	if(parc <= loc \|\| EmptyString(parv[loc]))
	142	{
	143	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
8bbeb278	144	me.name, source_p->name, "XLINE");
3c7d6fcc	145	return;
212380e3 AC	146	}
	147
	148	reason = parv[loc];
	149
	150	if(target_server != NULL)
	151	{
8bbeb278	152	propagate_xline(source_p, target_server, temp_time, name, "2", reason);
212380e3 AC	153
212380e3 AC	154	if(!match(target_server, me.name))
3c7d6fcc	155	return;
3cbbfb25 JT	156
3cbbfb25 JT	157	/* Set as local-only. */
f66f0baa	158	propagated = false;
212380e3	159	}
3cbbfb25	160	else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
8bbeb278	161	cluster_xline(source_p, temp_time, name, reason);
212380e3	162
8bbeb278	163	if((aconf = find_xline_mask(name)) != NULL)
212380e3 AC	164	{
212380e3 AC	165	sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s",
23959371	166	me.name, source_p->name, name, aconf->host, aconf->passwd);
3c7d6fcc	167	return;
212380e3 AC	168	}
212380e3 AC	169
8bbeb278	170	if(!valid_xline(source_p, name, reason))
3c7d6fcc	171	return;
212380e3	172
3cbbfb25 JT	173	if(propagated && temp_time == 0)
	174	{
	175	sendto_one_notice(source_p, ":Cannot set a permanent global ban");
3c7d6fcc	176	return;
3cbbfb25 JT	177	}
	178
	179	apply_xline(source_p, name, reason, temp_time, propagated);
212380e3 AC	180	}
	181
	182	/* ms_xline()
	183	*
	184	* handles a remote xline
	185	*/
3c7d6fcc	186	static void
428ca87b	187	ms_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	188	{
8bbeb278 AC	189	/* parv[0] parv[1] parv[2] parv[3] parv[4]
8bbeb278 AC	190	* oper target serv xline type reason
212380e3 AC	191	*/
	192	propagate_xline(source_p, parv[1], 0, parv[2], parv[3], parv[4]);
	193
	194	if(!IsPerson(source_p))
3c7d6fcc	195	return;
212380e3 AC	196
	197	/* destined for me? */
	198	if(!match(parv[1], me.name))
3c7d6fcc	199	return;
212380e3 AC	200
212380e3 AC	201	handle_remote_xline(source_p, 0, parv[2], parv[4]);
212380e3 AC	202	}
212380e3 AC	203
3c7d6fcc	204	static void
428ca87b	205	me_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	206	{
	207	/* time name type :reason */
	208	if(!IsPerson(source_p))
3c7d6fcc	209	return;
212380e3 AC	210
212380e3 AC	211	handle_remote_xline(source_p, atoi(parv[1]), parv[2], parv[4]);
212380e3 AC	212	}
	213
	214	static void
8bbeb278	215	handle_remote_xline(struct Client source_p, int temp_time, const char name, const char *reason)
212380e3 AC	216	{
	217	struct ConfItem *aconf;
	218
	219	if(!find_shared_conf(source_p->username, source_p->host,
8bbeb278 AC	220	source_p->servptr->name,
8bbeb278 AC	221	(temp_time > 0) ? SHARED_TXLINE : SHARED_PXLINE))
212380e3 AC	222	return;
212380e3 AC	223
8bbeb278	224	if(!valid_xline(source_p, name, reason))
212380e3 AC	225	return;
	226
	227	/* already xlined */
0fdb2570	228	if((aconf = find_xline_mask(name)) != NULL)
212380e3	229	{
23959371	230	sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s", name, aconf->host,
8bbeb278	231	aconf->passwd);
212380e3 AC	232	return;
	233	}
	234
f66f0baa	235	apply_xline(source_p, name, reason, temp_time, false);
212380e3 AC	236	}
	237
	238	/* valid_xline()
	239	*
8bbeb278	240	* inputs - client xlining, gecos, reason and whether to warn
212380e3 AC	241	* outputs -
	242	* side effects - checks the xline for validity, erroring if needed
	243	*/
3c7d6fcc	244	static bool
8bbeb278	245	valid_xline(struct Client source_p, const char gecos, const char *reason)
212380e3 AC	246	{
	247	if(EmptyString(reason))
	248	{
	249	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
8bbeb278	250	get_id(&me, source_p), get_id(source_p, source_p), "XLINE");
3c7d6fcc	251	return false;
cc169c94 JT	252	}
cc169c94 JT	253
212380e3 AC	254	if(!valid_wild_card_simple(gecos))
	255	{
	256	sendto_one_notice(source_p,
	257	":Please include at least %d non-wildcard "
	258	"characters with the xline",
	259	ConfigFileEntry.min_nonwildcard_simple);
3c7d6fcc	260	return false;
212380e3 AC	261	}
212380e3 AC	262
3c7d6fcc	263	return true;
212380e3 AC	264	}
	265
	266	void
f66f0baa	267	apply_xline(struct Client source_p, const char name, const char *reason, int temp_time, bool propagated)
212380e3 AC	268	{
	269	struct ConfItem *aconf;
	270
	271	aconf = make_conf();
	272	aconf->status = CONF_XLINE;
b52c2949	273	aconf->created = rb_current_time();
4418166c	274	aconf->host = rb_strdup(name);
8bbeb278	275	aconf->passwd = rb_strdup(reason);
23959371	276	collapse(aconf->host);
212380e3	277
27f616dd JT	278	aconf->info.oper = operhash_add(get_oper_name(source_p));
27f616dd JT	279
3cbbfb25 JT	280	if(propagated)
	281	{
	282	aconf->flags \|= CONF_FLAGS_MYOPER \| CONF_FLAGS_TEMPORARY;
	283	aconf->hold = rb_current_time() + temp_time;
	284	aconf->lifetime = aconf->hold;
	285
	286	replace_old_ban(aconf);
	287	rb_dlinkAddAlloc(aconf, &prop_bans);
	288
	289	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	290	"%s added global %d min. X-Line for [%s] [%s]",
	291	get_oper_name(source_p), temp_time / 60,
	292	aconf->host, reason);
	293	ilog(L_KLINE, "X %s %d %s %s",
	294	get_oper_name(source_p), temp_time / 60, name, reason);
	295	sendto_one_notice(source_p, ":Added global %d min. X-Line [%s]",
	296	temp_time / 60, aconf->host);
	297	sendto_server(NULL, NULL, CAP_BAN\|CAP_TS6, NOCAPS,
	298	":%s BAN X * %s %lu %d %d * :%s",
	299	source_p->id, aconf->host,
	300	(unsigned long)aconf->created,
	301	(int)(aconf->hold - aconf->created),
	302	(int)(aconf->lifetime - aconf->created),
	303	reason);
	304	}
	305	else if(temp_time > 0)
212380e3	306	{
8bbeb278	307	aconf->hold = rb_current_time() + temp_time;
212380e3	308
8bbeb278 AC	309	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	310	"%s added temporary %d min. X-Line for [%s] [%s]",
	311	get_oper_name(source_p), temp_time / 60,
23959371	312	aconf->host, reason);
8bbeb278 AC	313	ilog(L_KLINE, "X %s %d %s %s",
	314	get_oper_name(source_p), temp_time / 60, name, reason);
	315	sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]",
23959371	316	temp_time / 60, aconf->host);
8bbeb278 AC	317	}
8bbeb278 AC	318	else
212380e3	319	{
8bbeb278	320	sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added X-Line for [%s] [%s]",
23959371	321	get_oper_name(source_p), aconf->host, aconf->passwd);
8bbeb278	322	sendto_one_notice(source_p, ":Added X-Line for [%s] [%s]",
23959371	323	aconf->host, aconf->passwd);
8bbeb278	324
23959371	325	bandb_add(BANDB_XLINE, source_p, aconf->host, NULL, aconf->passwd, NULL, 0);
f36d4fdd	326	ilog(L_KLINE, "X %s 0 %s %s", get_oper_name(source_p), name, aconf->passwd);
212380e3	327	}
8bbeb278 AC	328
	329	rb_dlinkAddAlloc(aconf, &xline_conf_list);
	330	check_xlines();
212380e3 AC	331	}
212380e3 AC	332
8bbeb278	333	static void
212380e3	334	propagate_xline(struct Client source_p, const char target,
8bbeb278	335	int temp_time, const char name, const char type, const char *reason)
212380e3 AC	336	{
	337	if(!temp_time)
	338	{
	339	sendto_match_servs(source_p, target, CAP_CLUSTER, NOCAPS,
8bbeb278	340	"XLINE %s %s %s :%s", target, name, type, reason);
212380e3	341	sendto_match_servs(source_p, target, CAP_ENCAP, CAP_CLUSTER,
8bbeb278	342	"ENCAP %s XLINE %d %s 2 :%s", target, temp_time, name, reason);
212380e3 AC	343	}
	344	else
	345	sendto_match_servs(source_p, target, CAP_ENCAP, NOCAPS,
8bbeb278 AC	346	"ENCAP %s XLINE %d %s %s :%s",
8bbeb278 AC	347	target, temp_time, name, type, reason);
212380e3	348	}
8bbeb278	349
212380e3	350	static void
8bbeb278	351	cluster_xline(struct Client source_p, int temp_time, const char name, const char *reason)
212380e3 AC	352	{
212380e3 AC	353	struct remote_conf *shared_p;
5b96d9a6	354	rb_dlink_node *ptr;
212380e3	355
5b96d9a6	356	RB_DLINK_FOREACH(ptr, cluster_conf_list.head)
212380e3 AC	357	{
	358	shared_p = ptr->data;
	359
	360	/* old protocol cant handle temps, and we dont really want
	361	* to convert them to perm.. --fl
	362	*/
	363	if(!temp_time)
	364	{
	365	if(!(shared_p->flags & SHARED_PXLINE))
	366	continue;
	367
	368	sendto_match_servs(source_p, shared_p->server, CAP_CLUSTER, NOCAPS,
8bbeb278	369	"XLINE %s %s 2 :%s", shared_p->server, name, reason);
212380e3	370	sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, CAP_CLUSTER,
8bbeb278 AC	371	"ENCAP %s XLINE 0 %s 2 :%s",
8bbeb278 AC	372	shared_p->server, name, reason);
212380e3 AC	373	}
	374	else if(shared_p->flags & SHARED_TXLINE)
	375	sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, NOCAPS,
8bbeb278 AC	376	"ENCAP %s XLINE %d %s 2 :%s",
8bbeb278 AC	377	shared_p->server, temp_time, name, reason);
212380e3 AC	378	}
	379	}
	380
	381	/* mo_unxline()
	382	*
	383	* parv[1] - thing to unxline
	384	*/
3c7d6fcc	385	static void
428ca87b	386	mo_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	387	{
f66f0baa	388	bool propagated = true;
3cbbfb25	389
212380e3 AC	390	if(!IsOperXline(source_p))
212380e3 AC	391	{
8bbeb278	392	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
3c7d6fcc	393	return;
212380e3 AC	394	}
	395
	396	if(parc == 4 && !(irccmp(parv[2], "ON")))
	397	{
	398	if(!IsOperRemoteBan(source_p))
	399	{
	400	sendto_one(source_p, form_str(ERR_NOPRIVS),
8bbeb278	401	me.name, source_p->name, "remoteban");
3c7d6fcc	402	return;
212380e3 AC	403	}
212380e3 AC	404
8bbeb278	405	propagate_generic(source_p, "UNXLINE", parv[3], CAP_CLUSTER, "%s", parv[1]);
212380e3 AC	406
212380e3 AC	407	if(match(parv[3], me.name) == 0)
3c7d6fcc	408	return;
3cbbfb25	409
f66f0baa	410	propagated = false;
212380e3	411	}
3cbbfb25	412	/* cluster{} moved to remove_xline */
212380e3	413
3cbbfb25	414	remove_xline(source_p, parv[1], propagated);
212380e3 AC	415	}
	416
	417	/* ms_unxline()
	418	*
	419	* handles a remote unxline
	420	*/
3c7d6fcc	421	static void
428ca87b	422	ms_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	423	{
8bbeb278 AC	424	/* parv[0] parv[1] parv[2]
8bbeb278 AC	425	* oper target server gecos
212380e3	426	*/
8bbeb278	427	propagate_generic(source_p, "UNXLINE", parv[1], CAP_CLUSTER, "%s", parv[2]);
212380e3 AC	428
212380e3 AC	429	if(!match(parv[1], me.name))
3c7d6fcc	430	return;
212380e3 AC	431
212380e3 AC	432	if(!IsPerson(source_p))
3c7d6fcc	433	return;
212380e3 AC	434
212380e3 AC	435	handle_remote_unxline(source_p, parv[2]);
212380e3 AC	436	}
212380e3 AC	437
3c7d6fcc	438	static void
428ca87b	439	me_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	440	{
	441	/* name */
	442	if(!IsPerson(source_p))
3c7d6fcc	443	return;
212380e3 AC	444
212380e3 AC	445	handle_remote_unxline(source_p, parv[1]);
212380e3 AC	446	}
	447
	448	static void
	449	handle_remote_unxline(struct Client source_p, const char name)
	450	{
	451	if(!find_shared_conf(source_p->username, source_p->host,
8bbeb278	452	source_p->servptr->name, SHARED_UNXLINE))
212380e3 AC	453	return;
212380e3 AC	454
f66f0baa	455	remove_xline(source_p, name, false);
212380e3 AC	456	}
212380e3 AC	457
60c96e64	458	static void
5c1dbc3c	459	remove_xline(struct Client source_p, const char name, bool propagated)
212380e3 AC	460	{
212380e3 AC	461	struct ConfItem *aconf;
5b96d9a6	462	rb_dlink_node *ptr;
483987a4	463	time_t now;
212380e3	464
5b96d9a6	465	RB_DLINK_FOREACH(ptr, xline_conf_list.head)
212380e3 AC	466	{
	467	aconf = ptr->data;
	468
23959371	469	if(!irccmp(aconf->host, name))
212380e3	470	{
3cbbfb25 JT	471	if(aconf->lifetime)
	472	{
	473	if(!propagated)
	474	{
	475	sendto_one_notice(source_p, ":Cannot remove global X-Line %s on specific servers", name);
	476	return;
	477	}
	478	ptr = rb_dlinkFind(aconf, &prop_bans);
	479	if(ptr == NULL)
	480	return;
	481	sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
	482	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	483	"%s has removed the global X-Line for: [%s]",
	484	get_oper_name(source_p), name);
	485	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
483987a4 JT	486	now = rb_current_time();
	487	if(aconf->created < now)
	488	aconf->created = now;
3cbbfb25 JT	489	else
	490	aconf->created++;
	491	aconf->hold = aconf->created;
	492	operhash_delete(aconf->info.oper);
	493	aconf->info.oper = operhash_add(get_oper_name(source_p));
	494	aconf->flags \|= CONF_FLAGS_MYOPER \| CONF_FLAGS_TEMPORARY;
	495	sendto_server(NULL, NULL, CAP_BAN\|CAP_TS6, NOCAPS,
	496	":%s BAN X * %s %lu %d %d * :*",
	497	source_p->id, aconf->host,
	498	(unsigned long)aconf->created,
	499	0,
	500	(int)(aconf->lifetime - aconf->created));
	501	remove_reject_mask(aconf->host, NULL);
483987a4	502	deactivate_conf(aconf, ptr, now);
3cbbfb25 JT	503	return;
3cbbfb25 JT	504	}
1b5d7c2e	505	else if(propagated && rb_dlink_list_length(&cluster_conf_list))
3cbbfb25	506	cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
8bbeb278	507	if(!aconf->hold)
5408b484	508	{
8bbeb278 AC	509	bandb_del(BANDB_XLINE, aconf->host, NULL);
	510
	511	sendto_one_notice(source_p, ":X-Line for [%s] is removed", aconf->host);
	512	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	513	"%s has removed the X-Line for: [%s]",
	514	get_oper_name(source_p), aconf->host);
	515	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), aconf->host);
5408b484 JT	516	}
	517	else
	518	{
8bbeb278	519	sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
5408b484	520	sendto_realops_snomask(SNO_GENERAL, L_ALL,
8bbeb278 AC	521	"%s has removed the temporary X-Line for: [%s]",
	522	get_oper_name(source_p), name);
	523	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
5408b484	524	}
8bbeb278	525
23959371	526	remove_reject_mask(aconf->host, NULL);
212380e3	527	free_conf(aconf);
555ac41f	528	rb_dlinkDestroy(ptr, &xline_conf_list);
60c96e64	529	return;
212380e3 AC	530	}
	531	}
	532
1b5d7c2e	533	if(propagated && rb_dlink_list_length(&cluster_conf_list))
3cbbfb25 JT	534	cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
3cbbfb25 JT	535
8bbeb278	536	sendto_one_notice(source_p, ":No X-Line for %s", name);
212380e3	537	}