[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 "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(!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)
{
	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"
9b8e9eb3	35	#include "defaults.h"
212380e3 AC	36	#include "class.h"
	37	#include "ircd.h"
	38	#include "numeric.h"
4016731b	39	#include "logger.h"
212380e3 AC	40	#include "s_serv.h"
212380e3 AC	41	#include "whowas.h"
4562c604	42	#include "match.h"
212380e3 AC	43	#include "hash.h"
	44	#include "msg.h"
	45	#include "parse.h"
	46	#include "modules.h"
	47	#include "s_conf.h"
	48	#include "s_newconf.h"
35f6f850	49	#include "reject.h"
8bbeb278	50	#include "bandbi.h"
27f616dd	51	#include "operhash.h"
212380e3	52
eeabf33a EM	53	static const char xline_desc[] =
	54	"Provides management of GECOS bans via (UN)XLINE command";
	55
3c7d6fcc EM	56	static void mo_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	57	static void ms_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	58	static void me_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[]);
	59	static void mo_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	60	const char *parv[]);
3c7d6fcc	61	static void ms_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	62	const char *parv[]);
3c7d6fcc	63	static void me_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client *source_p, int parc,
8bbeb278	64	const char *parv[]);
212380e3	65
3c7d6fcc	66	static bool valid_xline(struct Client , const char , const char *);
8bbeb278	67	static void apply_xline(struct Client client_p, const char name,
f66f0baa	68	const char *reason, int temp_time, bool propagated);
212380e3	69	static void propagate_xline(struct Client source_p, const char target,
8bbeb278	70	int temp_time, const char name, const char type, const char *reason);
212380e3	71	static void cluster_xline(struct Client *source_p, int temp_time,
8bbeb278	72	const char name, const char reason);
212380e3 AC	73
	74	static void handle_remote_xline(struct Client *source_p, int temp_time,
	75	const char name, const char reason);
	76	static void handle_remote_unxline(struct Client source_p, const char name);
3cbbfb25	77	static void remove_xline(struct Client source_p, const char name,
f66f0baa	78	bool propagated);
212380e3	79
eeabf33a EM	80	struct Message xline_msgtab = {
	81	"XLINE", 0, 0, 0, 0,
	82	{mg_unreg, mg_not_oper, {ms_xline, 5}, {ms_xline, 5}, {me_xline, 5}, {mo_xline, 3}}
	83	};
	84
	85	struct Message unxline_msgtab = {
	86	"UNXLINE", 0, 0, 0, 0,
	87	{mg_unreg, mg_not_oper, {ms_unxline, 3}, {ms_unxline, 3}, {me_unxline, 2}, {mo_unxline, 2}}
	88	};
	89
	90	mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL };
	91
	92	DECLARE_MODULE_AV2(xline, NULL, NULL, xline_clist, NULL, NULL, NULL, NULL, xline_desc);
212380e3 AC	93
	94	/* m_xline()
	95	*
	96	* parv[1] - thing to xline
	97	* parv[2] - optional type/reason
	98	* parv[3] - reason
	99	*/
3c7d6fcc	100	static void
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;
f66f0baa	109	bool 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");
3c7d6fcc	114	return;
212380e3 AC	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");
3c7d6fcc	133	return;
212380e3 AC	134	}
212380e3 AC	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");
3c7d6fcc	144	return;
212380e3 AC	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
212380e3 AC	153	if(!match(target_server, me.name))
3c7d6fcc	154	return;
3cbbfb25 JT	155
3cbbfb25 JT	156	/* Set as local-only. */
f66f0baa	157	propagated = false;
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);
3c7d6fcc	166	return;
212380e3 AC	167	}
212380e3 AC	168
8bbeb278	169	if(!valid_xline(source_p, name, reason))
3c7d6fcc	170	return;
212380e3	171
3cbbfb25 JT	172	if(propagated && temp_time == 0)
	173	{
	174	sendto_one_notice(source_p, ":Cannot set a permanent global ban");
3c7d6fcc	175	return;
3cbbfb25 JT	176	}
	177
	178	apply_xline(source_p, name, reason, temp_time, propagated);
212380e3 AC	179	}
	180
	181	/* ms_xline()
	182	*
	183	* handles a remote xline
	184	*/
3c7d6fcc	185	static void
428ca87b	186	ms_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	187	{
8bbeb278 AC	188	/* parv[0] parv[1] parv[2] parv[3] parv[4]
8bbeb278 AC	189	* oper target serv xline type reason
212380e3 AC	190	*/
	191	propagate_xline(source_p, parv[1], 0, parv[2], parv[3], parv[4]);
	192
	193	if(!IsPerson(source_p))
3c7d6fcc	194	return;
212380e3 AC	195
	196	/* destined for me? */
	197	if(!match(parv[1], me.name))
3c7d6fcc	198	return;
212380e3 AC	199
212380e3 AC	200	handle_remote_xline(source_p, 0, parv[2], parv[4]);
212380e3 AC	201	}
212380e3 AC	202
3c7d6fcc	203	static void
428ca87b	204	me_xline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	205	{
	206	/* time name type :reason */
	207	if(!IsPerson(source_p))
3c7d6fcc	208	return;
212380e3 AC	209
212380e3 AC	210	handle_remote_xline(source_p, atoi(parv[1]), parv[2], parv[4]);
212380e3 AC	211	}
	212
	213	static void
8bbeb278	214	handle_remote_xline(struct Client source_p, int temp_time, const char name, const char *reason)
212380e3 AC	215	{
	216	struct ConfItem *aconf;
	217
8bbeb278	218	if(!valid_xline(source_p, name, reason))
212380e3 AC	219	return;
	220
	221	/* already xlined */
0fdb2570	222	if((aconf = find_xline_mask(name)) != NULL)
212380e3	223	{
23959371	224	sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s", name, aconf->host,
8bbeb278	225	aconf->passwd);
212380e3 AC	226	return;
	227	}
	228
f66f0baa	229	apply_xline(source_p, name, reason, temp_time, false);
212380e3 AC	230	}
	231
	232	/* valid_xline()
	233	*
8bbeb278	234	* inputs - client xlining, gecos, reason and whether to warn
212380e3 AC	235	* outputs -
	236	* side effects - checks the xline for validity, erroring if needed
	237	*/
3c7d6fcc	238	static bool
8bbeb278	239	valid_xline(struct Client source_p, const char gecos, const char *reason)
212380e3 AC	240	{
	241	if(EmptyString(reason))
	242	{
	243	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
8bbeb278	244	get_id(&me, source_p), get_id(source_p, source_p), "XLINE");
3c7d6fcc	245	return false;
cc169c94 JT	246	}
cc169c94 JT	247
212380e3 AC	248	if(!valid_wild_card_simple(gecos))
	249	{
	250	sendto_one_notice(source_p,
	251	":Please include at least %d non-wildcard "
	252	"characters with the xline",
	253	ConfigFileEntry.min_nonwildcard_simple);
3c7d6fcc	254	return false;
212380e3 AC	255	}
212380e3 AC	256
3c7d6fcc	257	return true;
212380e3 AC	258	}
	259
	260	void
f66f0baa	261	apply_xline(struct Client source_p, const char name, const char *reason, int temp_time, bool propagated)
212380e3 AC	262	{
	263	struct ConfItem *aconf;
	264
	265	aconf = make_conf();
	266	aconf->status = CONF_XLINE;
b52c2949	267	aconf->created = rb_current_time();
4418166c	268	aconf->host = rb_strdup(name);
8bbeb278	269	aconf->passwd = rb_strdup(reason);
23959371	270	collapse(aconf->host);
212380e3	271
27f616dd JT	272	aconf->info.oper = operhash_add(get_oper_name(source_p));
27f616dd JT	273
3cbbfb25 JT	274	if(propagated)
	275	{
	276	aconf->flags \|= CONF_FLAGS_MYOPER \| CONF_FLAGS_TEMPORARY;
	277	aconf->hold = rb_current_time() + temp_time;
	278	aconf->lifetime = aconf->hold;
	279
	280	replace_old_ban(aconf);
	281	rb_dlinkAddAlloc(aconf, &prop_bans);
	282
	283	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	284	"%s added global %d min. X-Line for [%s] [%s]",
	285	get_oper_name(source_p), temp_time / 60,
	286	aconf->host, reason);
	287	ilog(L_KLINE, "X %s %d %s %s",
	288	get_oper_name(source_p), temp_time / 60, name, reason);
	289	sendto_one_notice(source_p, ":Added global %d min. X-Line [%s]",
	290	temp_time / 60, aconf->host);
	291	sendto_server(NULL, NULL, CAP_BAN\|CAP_TS6, NOCAPS,
	292	":%s BAN X * %s %lu %d %d * :%s",
	293	source_p->id, aconf->host,
	294	(unsigned long)aconf->created,
	295	(int)(aconf->hold - aconf->created),
	296	(int)(aconf->lifetime - aconf->created),
	297	reason);
	298	}
	299	else if(temp_time > 0)
212380e3	300	{
8bbeb278	301	aconf->hold = rb_current_time() + temp_time;
212380e3	302
8bbeb278 AC	303	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	304	"%s added temporary %d min. X-Line for [%s] [%s]",
	305	get_oper_name(source_p), temp_time / 60,
23959371	306	aconf->host, reason);
8bbeb278 AC	307	ilog(L_KLINE, "X %s %d %s %s",
	308	get_oper_name(source_p), temp_time / 60, name, reason);
	309	sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]",
23959371	310	temp_time / 60, aconf->host);
8bbeb278 AC	311	}
8bbeb278 AC	312	else
212380e3	313	{
8bbeb278	314	sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added X-Line for [%s] [%s]",
23959371	315	get_oper_name(source_p), aconf->host, aconf->passwd);
8bbeb278	316	sendto_one_notice(source_p, ":Added X-Line for [%s] [%s]",
23959371	317	aconf->host, aconf->passwd);
8bbeb278	318
23959371	319	bandb_add(BANDB_XLINE, source_p, aconf->host, NULL, aconf->passwd, NULL, 0);
f36d4fdd	320	ilog(L_KLINE, "X %s 0 %s %s", get_oper_name(source_p), name, aconf->passwd);
212380e3	321	}
8bbeb278 AC	322
	323	rb_dlinkAddAlloc(aconf, &xline_conf_list);
	324	check_xlines();
212380e3 AC	325	}
212380e3 AC	326
8bbeb278	327	static void
212380e3	328	propagate_xline(struct Client source_p, const char target,
8bbeb278	329	int temp_time, const char name, const char type, const char *reason)
212380e3 AC	330	{
	331	if(!temp_time)
	332	{
	333	sendto_match_servs(source_p, target, CAP_CLUSTER, NOCAPS,
8bbeb278	334	"XLINE %s %s %s :%s", target, name, type, reason);
212380e3	335	sendto_match_servs(source_p, target, CAP_ENCAP, CAP_CLUSTER,
8bbeb278	336	"ENCAP %s XLINE %d %s 2 :%s", target, temp_time, name, reason);
212380e3 AC	337	}
	338	else
	339	sendto_match_servs(source_p, target, CAP_ENCAP, NOCAPS,
8bbeb278 AC	340	"ENCAP %s XLINE %d %s %s :%s",
8bbeb278 AC	341	target, temp_time, name, type, reason);
212380e3	342	}
8bbeb278	343
212380e3	344	static void
8bbeb278	345	cluster_xline(struct Client source_p, int temp_time, const char name, const char *reason)
212380e3 AC	346	{
212380e3 AC	347	struct remote_conf *shared_p;
5b96d9a6	348	rb_dlink_node *ptr;
212380e3	349
5b96d9a6	350	RB_DLINK_FOREACH(ptr, cluster_conf_list.head)
212380e3 AC	351	{
	352	shared_p = ptr->data;
	353
	354	/* old protocol cant handle temps, and we dont really want
	355	* to convert them to perm.. --fl
	356	*/
	357	if(!temp_time)
	358	{
	359	if(!(shared_p->flags & SHARED_PXLINE))
	360	continue;
	361
	362	sendto_match_servs(source_p, shared_p->server, CAP_CLUSTER, NOCAPS,
8bbeb278	363	"XLINE %s %s 2 :%s", shared_p->server, name, reason);
212380e3	364	sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, CAP_CLUSTER,
8bbeb278 AC	365	"ENCAP %s XLINE 0 %s 2 :%s",
8bbeb278 AC	366	shared_p->server, name, reason);
212380e3 AC	367	}
	368	else if(shared_p->flags & SHARED_TXLINE)
	369	sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, NOCAPS,
8bbeb278 AC	370	"ENCAP %s XLINE %d %s 2 :%s",
8bbeb278 AC	371	shared_p->server, temp_time, name, reason);
212380e3 AC	372	}
	373	}
	374
	375	/* mo_unxline()
	376	*
	377	* parv[1] - thing to unxline
	378	*/
3c7d6fcc	379	static void
428ca87b	380	mo_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	381	{
f66f0baa	382	bool propagated = true;
3cbbfb25	383
212380e3 AC	384	if(!IsOperXline(source_p))
212380e3 AC	385	{
8bbeb278	386	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
3c7d6fcc	387	return;
212380e3 AC	388	}
	389
	390	if(parc == 4 && !(irccmp(parv[2], "ON")))
	391	{
	392	if(!IsOperRemoteBan(source_p))
	393	{
	394	sendto_one(source_p, form_str(ERR_NOPRIVS),
8bbeb278	395	me.name, source_p->name, "remoteban");
3c7d6fcc	396	return;
212380e3 AC	397	}
212380e3 AC	398
8bbeb278	399	propagate_generic(source_p, "UNXLINE", parv[3], CAP_CLUSTER, "%s", parv[1]);
212380e3 AC	400
212380e3 AC	401	if(match(parv[3], me.name) == 0)
3c7d6fcc	402	return;
3cbbfb25	403
f66f0baa	404	propagated = false;
212380e3	405	}
3cbbfb25	406	/* cluster{} moved to remove_xline */
212380e3	407
3cbbfb25	408	remove_xline(source_p, parv[1], propagated);
212380e3 AC	409	}
	410
	411	/* ms_unxline()
	412	*
	413	* handles a remote unxline
	414	*/
3c7d6fcc	415	static void
428ca87b	416	ms_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3	417	{
8bbeb278 AC	418	/* parv[0] parv[1] parv[2]
8bbeb278 AC	419	* oper target server gecos
212380e3	420	*/
8bbeb278	421	propagate_generic(source_p, "UNXLINE", parv[1], CAP_CLUSTER, "%s", parv[2]);
212380e3 AC	422
212380e3 AC	423	if(!match(parv[1], me.name))
3c7d6fcc	424	return;
212380e3 AC	425
212380e3 AC	426	if(!IsPerson(source_p))
3c7d6fcc	427	return;
212380e3 AC	428
212380e3 AC	429	handle_remote_unxline(source_p, parv[2]);
212380e3 AC	430	}
212380e3 AC	431
3c7d6fcc	432	static void
428ca87b	433	me_unxline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	434	{
	435	/* name */
	436	if(!IsPerson(source_p))
3c7d6fcc	437	return;
212380e3 AC	438
212380e3 AC	439	handle_remote_unxline(source_p, parv[1]);
212380e3 AC	440	}
	441
	442	static void
	443	handle_remote_unxline(struct Client source_p, const char name)
	444	{
f66f0baa	445	remove_xline(source_p, name, false);
212380e3 AC	446	}
212380e3 AC	447
60c96e64	448	static void
5c1dbc3c	449	remove_xline(struct Client source_p, const char name, bool propagated)
212380e3 AC	450	{
212380e3 AC	451	struct ConfItem *aconf;
5b96d9a6	452	rb_dlink_node *ptr;
483987a4	453	time_t now;
212380e3	454
5b96d9a6	455	RB_DLINK_FOREACH(ptr, xline_conf_list.head)
212380e3 AC	456	{
	457	aconf = ptr->data;
	458
23959371	459	if(!irccmp(aconf->host, name))
212380e3	460	{
3cbbfb25 JT	461	if(aconf->lifetime)
	462	{
	463	if(!propagated)
	464	{
	465	sendto_one_notice(source_p, ":Cannot remove global X-Line %s on specific servers", name);
	466	return;
	467	}
	468	ptr = rb_dlinkFind(aconf, &prop_bans);
	469	if(ptr == NULL)
	470	return;
	471	sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
	472	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	473	"%s has removed the global X-Line for: [%s]",
	474	get_oper_name(source_p), name);
	475	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
483987a4 JT	476	now = rb_current_time();
	477	if(aconf->created < now)
	478	aconf->created = now;
3cbbfb25 JT	479	else
	480	aconf->created++;
	481	aconf->hold = aconf->created;
	482	operhash_delete(aconf->info.oper);
	483	aconf->info.oper = operhash_add(get_oper_name(source_p));
	484	aconf->flags \|= CONF_FLAGS_MYOPER \| CONF_FLAGS_TEMPORARY;
	485	sendto_server(NULL, NULL, CAP_BAN\|CAP_TS6, NOCAPS,
	486	":%s BAN X * %s %lu %d %d * :*",
	487	source_p->id, aconf->host,
	488	(unsigned long)aconf->created,
	489	0,
	490	(int)(aconf->lifetime - aconf->created));
	491	remove_reject_mask(aconf->host, NULL);
483987a4	492	deactivate_conf(aconf, ptr, now);
3cbbfb25 JT	493	return;
3cbbfb25 JT	494	}
1b5d7c2e	495	else if(propagated && rb_dlink_list_length(&cluster_conf_list))
3cbbfb25	496	cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
8bbeb278	497	if(!aconf->hold)
5408b484	498	{
8bbeb278 AC	499	bandb_del(BANDB_XLINE, aconf->host, NULL);
	500
	501	sendto_one_notice(source_p, ":X-Line for [%s] is removed", aconf->host);
	502	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	503	"%s has removed the X-Line for: [%s]",
	504	get_oper_name(source_p), aconf->host);
	505	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), aconf->host);
5408b484 JT	506	}
	507	else
	508	{
8bbeb278	509	sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
5408b484	510	sendto_realops_snomask(SNO_GENERAL, L_ALL,
8bbeb278 AC	511	"%s has removed the temporary X-Line for: [%s]",
	512	get_oper_name(source_p), name);
	513	ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
5408b484	514	}
8bbeb278	515
23959371	516	remove_reject_mask(aconf->host, NULL);
212380e3	517	free_conf(aconf);
555ac41f	518	rb_dlinkDestroy(ptr, &xline_conf_list);
60c96e64	519	return;
212380e3 AC	520	}
	521	}
	522
1b5d7c2e	523	if(propagated && rb_dlink_list_length(&cluster_conf_list))
3cbbfb25 JT	524	cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
3cbbfb25 JT	525
8bbeb278	526	sendto_one_notice(source_p, ":No X-Line for %s", name);
212380e3	527	}