[solanum.git] / modules / m_dline.c

/*
 *  ircd-ratbox: A slightly useful ircd.
 *  m_dline.c: Bans/unbans a user.
 *
 *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
 *  Copyright (C) 1996-2002 Hybrid Development Team
 *  Copyright (C) 2002-2005 ircd-ratbox development team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 */

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

static const char dline_desc[] = "Provides the DLINE facility to ban users via IP address";

static void mo_dline(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void me_dline(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void mo_undline(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void me_undline(struct MsgBuf *, struct Client *, struct Client *, int, const char **);

struct Message dline_msgtab = {
	"DLINE", 0, 0, 0, 0,
	{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_dline, 4}, {mo_dline, 2}}
};

struct Message undline_msgtab = {
	"UNDLINE", 0, 0, 0, 0,
	{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_undline, 2}, {mo_undline, 2}}
};

mapi_clist_av1 dline_clist[] = { &dline_msgtab, &undline_msgtab, NULL };

DECLARE_MODULE_AV2(dline, NULL, NULL, dline_clist, NULL, NULL, NULL, NULL, dline_desc);

static bool remove_temp_dline(struct ConfItem *);
static void apply_dline(struct Client *, const char *, int, char *);
static void apply_undline(struct Client *, const char *);

/* mo_dline()
 *
 *   parv[1] - dline to add
 *   parv[2] - reason
 */
static void
mo_dline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	char def[] = "No Reason";
	const char *dlhost;
	char *reason = def;
	char cidr_form_host[HOSTLEN + 1];
	int tdline_time = 0;
	const char *target_server = NULL;
	int loc = 1;

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

	if((tdline_time = valid_temp_time(parv[loc])) >= 0)
		loc++;

	dlhost = parv[loc];
	rb_strlcpy(cidr_form_host, dlhost, sizeof(cidr_form_host));
	loc++;

	/* would break the protocol */
	if (*dlhost == ':')
	{
		sendto_one_notice(source_p, ":Invalid D-Line");
		return;
	}

	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 + 1 && !EmptyString(parv[loc]))
		reason = LOCAL_COPY(parv[loc]);

	if(target_server != NULL)
	{
		sendto_match_servs(source_p, target_server,
				   CAP_ENCAP, NOCAPS,
				   "ENCAP %s DLINE %d %s :%s",
				   target_server, tdline_time, dlhost, reason);

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

	apply_dline(source_p, dlhost, tdline_time, reason);

	check_dlines();
}

/* mo_undline()
 *
 *      parv[1] = dline to remove
 */
static void
mo_undline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	const char *cidr;
	const char *target_server = NULL;

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

	cidr = parv[1];

	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;
		}

		target_server = parv[3];
		sendto_match_servs(source_p, target_server,
				   CAP_ENCAP, NOCAPS, "ENCAP %s UNDLINE %s", target_server, cidr);

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

	apply_undline(source_p, cidr);
}

static void
me_dline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv)
{
	int tdline_time = atoi(parv[1]);
	/* Since this is coming over a server link, assume that the originating
	 * server did the relevant permission/sanity checks...
	 */

	if(!IsPerson(source_p))
		return;

	if(!find_shared_conf(source_p->username, source_p->host,
			     source_p->servptr->name,
			     tdline_time > 0 ? SHARED_TDLINE : SHARED_PDLINE))
		return;

	apply_dline(source_p, parv[2], tdline_time, LOCAL_COPY(parv[3]));

	check_dlines();
}

static void
me_undline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv)
{
	if(!IsPerson(source_p))
		return;

	if(!find_shared_conf(source_p->username, source_p->host,
			     source_p->servptr->name, SHARED_UNDLINE))
		return;

	apply_undline(source_p, parv[1]);
}

static void
apply_dline(struct Client *source_p, const char *dlhost, int tdline_time, char *reason)
{
	struct ConfItem *aconf;
	char *oper_reason;
	struct rb_sockaddr_storage daddr;
	int t = AF_INET, ty, b;
	const char *creason;

	ty = parse_netmask(dlhost, &daddr, &b);
	if(ty == HM_HOST)
	{
		sendto_one(source_p, ":%s NOTICE %s :Invalid D-Line", me.name, source_p->name);
		return;
	}
#ifdef RB_IPV6
	if(ty == HM_IPV6)
		t = AF_INET6;
	else
#endif
		t = AF_INET;

	/* This means dlines wider than /16 cannot be set remotely */
	if(IsOperAdmin(source_p))
	{
		if(b < 8)
		{
			sendto_one_notice(source_p,
					  ":For safety, bitmasks less than 8 require conf access.");
			return;
		}
	}
	else
	{
		if(b < 16)
		{
			sendto_one_notice(source_p,
					  ":Dline bitmasks less than 16 are for admins only.");
			return;
		}
	}

	if(ConfigFileEntry.non_redundant_klines)
	{
		if((aconf = find_dline((struct sockaddr *) &daddr, t)) != NULL)
		{
			int bx;
			parse_netmask(aconf->host, NULL, &bx);
			if(b >= bx)
			{
				creason = aconf->passwd ? aconf->passwd : "<No Reason>";
				if(IsConfExemptKline(aconf))
					sendto_one(source_p,
						   ":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
						   me.name, source_p->name, dlhost, aconf->host,
						   creason);
				else
					sendto_one(source_p,
						   ":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
						   me.name, source_p->name, dlhost, aconf->host,
						   creason);
				return;
			}
		}
	}

	rb_set_time();

	aconf = make_conf();
	aconf->status = CONF_DLINE;
	aconf->created = rb_current_time();
	aconf->host = rb_strdup(dlhost);
	aconf->passwd = rb_strdup(reason);
	aconf->info.oper = operhash_add(get_oper_name(source_p));

	if(strlen(reason) > BANREASONLEN)
		reason[BANREASONLEN] = '\0';

	/* Look for an oper reason */
	if((oper_reason = strchr(reason, '|')) != NULL)
	{
		*oper_reason = '\0';
		oper_reason++;

		if(!EmptyString(oper_reason))
			aconf->spasswd = rb_strdup(oper_reason);
	}

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

		if(EmptyString(oper_reason))
		{
			sendto_realops_snomask(SNO_GENERAL, L_ALL,
					       "%s added temporary %d min. D-Line for [%s] [%s]",
					       get_oper_name(source_p), tdline_time / 60,
					       aconf->host, reason);
			ilog(L_KLINE, "D %s %d %s %s",
			     get_oper_name(source_p), tdline_time / 60, aconf->host, reason);
		}
		else
		{
			sendto_realops_snomask(SNO_GENERAL, L_ALL,
					       "%s added temporary %d min. D-Line for [%s] [%s|%s]",
					       get_oper_name(source_p), tdline_time / 60,
					       aconf->host, reason, oper_reason);
			ilog(L_KLINE, "D %s %d %s %s|%s",
			     get_oper_name(source_p), tdline_time / 60,
			     aconf->host, reason, oper_reason);
		}

		sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. D-Line for [%s]",
			   me.name, source_p->name, tdline_time / 60, aconf->host);
	}
	else
	{
		add_conf_by_address(aconf->host, CONF_DLINE, NULL, NULL, aconf);

		bandb_add(BANDB_DLINE, source_p, aconf->host, NULL,
			  reason, EmptyString(aconf->spasswd) ? NULL : aconf->spasswd, 0);

		if(EmptyString(oper_reason))
		{
			sendto_realops_snomask(SNO_GENERAL, L_ALL,
					       "%s added D-Line for [%s] [%s]",
					       get_oper_name(source_p), aconf->host, reason);
			ilog(L_KLINE, "D %s 0 %s %s",
			     get_oper_name(source_p), aconf->host, reason);
		}
		else
		{
			sendto_realops_snomask(SNO_GENERAL, L_ALL,
					       "%s added D-Line for [%s] [%s|%s]",
					       get_oper_name(source_p), aconf->host, reason, oper_reason);
			ilog(L_KLINE, "D %s 0 %s %s|%s",
			     get_oper_name(source_p),
			     aconf->host, reason, oper_reason);
		}
	}
}

static void
apply_undline(struct Client *source_p, const char *cidr)
{
	char buf[BUFSIZE];
	struct ConfItem *aconf;

	if(parse_netmask(cidr, NULL, NULL) == HM_HOST)
	{
		sendto_one_notice(source_p, ":Invalid D-Line");
		return;
	}

	aconf = find_exact_conf_by_address(cidr, CONF_DLINE, NULL);
	if(aconf == NULL)
	{
		sendto_one_notice(source_p, ":No D-Line for %s", cidr);
		return;
	}

	rb_strlcpy(buf, aconf->host, sizeof buf);
	if(remove_temp_dline(aconf))
	{
		sendto_one(source_p,
			   ":%s NOTICE %s :Un-dlined [%s] from temporary D-lines",
			   me.name, source_p->name, buf);
		sendto_realops_snomask(SNO_GENERAL, L_ALL,
				       "%s has removed the temporary D-Line for: [%s]",
				       get_oper_name(source_p), buf);
		ilog(L_KLINE, "UD %s %s", get_oper_name(source_p), buf);
		return;
	}

	bandb_del(BANDB_DLINE, aconf->host, NULL);

	sendto_one(source_p, ":%s NOTICE %s :D-Line for [%s] is removed", me.name, source_p->name,
		   aconf->host);
	sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has removed the D-Line for: [%s]",
			       get_oper_name(source_p), aconf->host);
	ilog(L_KLINE, "UD %s %s", get_oper_name(source_p), aconf->host);
	delete_one_address_conf(aconf->host, aconf);
}

/* remove_temp_dline()
 *
 * inputs       - confitem to undline
 * outputs      - true if removed, false otherwise.
 * side effects - tries to undline anything that matches
 */
static bool
remove_temp_dline(struct ConfItem *aconf)
{
	rb_dlink_node *ptr;
	int i;

	for(i = 0; i < LAST_TEMP_TYPE; i++)
	{
		RB_DLINK_FOREACH(ptr, temp_dlines[i].head)
		{
			if(aconf == ptr->data)
			{
				rb_dlinkDestroy(ptr, &temp_dlines[i]);
				delete_one_address_conf(aconf->host, aconf);
				return true;
			}
		}
	}

	return false;
}
Commit	Line	Data
212380e3 AC	1	/*
	2	* ircd-ratbox: A slightly useful ircd.
	3	* m_dline.c: Bans/unbans a user.
	4	*
	5	* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
	6	* Copyright (C) 1996-2002 Hybrid Development Team
	7	* Copyright (C) 2002-2005 ircd-ratbox development team
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2 of the License, or
	12	* (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
	22	* USA
212380e3 AC	23	*/
	24
	25	#include "stdinc.h"
212380e3 AC	26	#include "channel.h"
	27	#include "class.h"
	28	#include "client.h"
	29	#include "common.h"
4562c604	30	#include "match.h"
212380e3 AC	31	#include "ircd.h"
	32	#include "hostmask.h"
	33	#include "numeric.h"
212380e3 AC	34	#include "s_conf.h"
212380e3 AC	35	#include "s_newconf.h"
4016731b	36	#include "logger.h"
212380e3 AC	37	#include "send.h"
	38	#include "hash.h"
	39	#include "s_serv.h"
	40	#include "msg.h"
	41	#include "parse.h"
	42	#include "modules.h"
8bbeb278	43	#include "bandbi.h"
27f616dd	44	#include "operhash.h"
212380e3	45
eeabf33a EM	46	static const char dline_desc[] = "Provides the DLINE facility to ban users via IP address";
eeabf33a EM	47
3c7d6fcc EM	48	static void mo_dline(struct MsgBuf , struct Client , struct Client , int, const char *);
	49	static void me_dline(struct MsgBuf , struct Client , struct Client , int, const char *);
	50	static void mo_undline(struct MsgBuf , struct Client , struct Client , int, const char *);
	51	static void me_undline(struct MsgBuf , struct Client , struct Client , int, const char *);
212380e3 AC	52
212380e3 AC	53	struct Message dline_msgtab = {
7baa37a9	54	"DLINE", 0, 0, 0, 0,
b647efa0	55	{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_dline, 4}, {mo_dline, 2}}
212380e3	56	};
8bbeb278	57
212380e3	58	struct Message undline_msgtab = {
7baa37a9	59	"UNDLINE", 0, 0, 0, 0,
b647efa0	60	{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_undline, 2}, {mo_undline, 2}}
212380e3 AC	61	};
	62
	63	mapi_clist_av1 dline_clist[] = { &dline_msgtab, &undline_msgtab, NULL };
8bbeb278	64
9fd8e7cb	65	DECLARE_MODULE_AV2(dline, NULL, NULL, dline_clist, NULL, NULL, NULL, NULL, dline_desc);
212380e3	66
3c7d6fcc EM	67	static bool remove_temp_dline(struct ConfItem *);
	68	static void apply_dline(struct Client , const char , int, char *);
	69	static void apply_undline(struct Client , const char );
212380e3 AC	70
212380e3 AC	71	/* mo_dline()
55abcbb2	72	*
212380e3 AC	73	* parv[1] - dline to add
	74	* parv[2] - reason
	75	*/
3c7d6fcc	76	static void
428ca87b	77	mo_dline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	78	{
	79	char def[] = "No Reason";
	80	const char *dlhost;
212380e3	81	char *reason = def;
212380e3	82	char cidr_form_host[HOSTLEN + 1];
212380e3	83	int tdline_time = 0;
f5cb68d5	84	const char *target_server = NULL;
212380e3 AC	85	int loc = 1;
	86
	87	if(!IsOperK(source_p))
	88	{
8bbeb278	89	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "kline");
3c7d6fcc	90	return;
212380e3 AC	91	}
	92
	93	if((tdline_time = valid_temp_time(parv[loc])) >= 0)
	94	loc++;
	95
212380e3	96	dlhost = parv[loc];
f427c8b0	97	rb_strlcpy(cidr_form_host, dlhost, sizeof(cidr_form_host));
f5cb68d5 VY	98	loc++;
f5cb68d5 VY	99
2b843a5b JT	100	/* would break the protocol */
	101	if (*dlhost == ':')
	102	{
	103	sendto_one_notice(source_p, ":Invalid D-Line");
3c7d6fcc	104	return;
2b843a5b JT	105	}
2b843a5b JT	106
8bbeb278 AC	107	if(parc >= loc + 2 && !irccmp(parv[loc], "ON"))
8bbeb278 AC	108	{
2cfb7214 JT	109	if(!IsOperRemoteBan(source_p))
	110	{
	111	sendto_one(source_p, form_str(ERR_NOPRIVS),
8bbeb278	112	me.name, source_p->name, "remoteban");
3c7d6fcc	113	return;
2cfb7214 JT	114	}
2cfb7214 JT	115
8bbeb278	116	target_server = parv[loc + 1];
f5cb68d5 VY	117	loc += 2;
	118	}
	119
	120	if(parc >= loc + 1 && !EmptyString(parv[loc]))
	121	reason = LOCAL_COPY(parv[loc]);
	122
	123	if(target_server != NULL)
212380e3	124	{
f5cb68d5	125	sendto_match_servs(source_p, target_server,
8bbeb278 AC	126	CAP_ENCAP, NOCAPS,
	127	"ENCAP %s DLINE %d %s :%s",
	128	target_server, tdline_time, dlhost, reason);
f5cb68d5 VY	129
f5cb68d5 VY	130	if(!match(target_server, me.name))
3c7d6fcc	131	return;
212380e3 AC	132	}
212380e3 AC	133
f5cb68d5 VY	134	apply_dline(source_p, dlhost, tdline_time, reason);
	135
	136	check_dlines();
f5cb68d5	137	}
212380e3	138
f5cb68d5 VY	139	/* mo_undline()
	140	*
	141	* parv[1] = dline to remove
	142	*/
3c7d6fcc	143	static void
428ca87b	144	mo_undline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
f5cb68d5 VY	145	{
	146	const char *cidr;
	147	const char *target_server = NULL;
	148
	149	if(!IsOperK(source_p))
	150	{
8bbeb278	151	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "unkline");
3c7d6fcc	152	return;
8bbeb278 AC	153	}
8bbeb278 AC	154
f5cb68d5 VY	155	cidr = parv[1];
	156
	157	if(parc >= 4 && !irccmp(parv[2], "ON"))
212380e3	158	{
2cfb7214 JT	159	if(!IsOperRemoteBan(source_p))
	160	{
	161	sendto_one(source_p, form_str(ERR_NOPRIVS),
8bbeb278	162	me.name, source_p->name, "remoteban");
3c7d6fcc	163	return;
2cfb7214 JT	164	}
2cfb7214 JT	165
f5cb68d5 VY	166	target_server = parv[3];
f5cb68d5 VY	167	sendto_match_servs(source_p, target_server,
8bbeb278	168	CAP_ENCAP, NOCAPS, "ENCAP %s UNDLINE %s", target_server, cidr);
212380e3	169
f5cb68d5	170	if(!match(target_server, me.name))
3c7d6fcc	171	return;
212380e3 AC	172	}
212380e3 AC	173
f5cb68d5	174	apply_undline(source_p, cidr);
f5cb68d5 VY	175	}
f5cb68d5 VY	176
3c7d6fcc	177	static void
428ca87b	178	me_dline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char *parv)
5f7a6a3d JT	179	{
	180	int tdline_time = atoi(parv[1]);
	181	/* Since this is coming over a server link, assume that the originating
	182	* server did the relevant permission/sanity checks...
	183	*/
	184
	185	if(!IsPerson(source_p))
3c7d6fcc	186	return;
5f7a6a3d JT	187
5f7a6a3d JT	188	if(!find_shared_conf(source_p->username, source_p->host,
8bbeb278 AC	189	source_p->servptr->name,
8bbeb278 AC	190	tdline_time > 0 ? SHARED_TDLINE : SHARED_PDLINE))
3c7d6fcc	191	return;
5f7a6a3d JT	192
	193	apply_dline(source_p, parv[2], tdline_time, LOCAL_COPY(parv[3]));
	194
	195	check_dlines();
5f7a6a3d JT	196	}
5f7a6a3d JT	197
3c7d6fcc	198	static void
428ca87b	199	me_undline(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char *parv)
5f7a6a3d JT	200	{
5f7a6a3d JT	201	if(!IsPerson(source_p))
3c7d6fcc	202	return;
5f7a6a3d JT	203
5f7a6a3d JT	204	if(!find_shared_conf(source_p->username, source_p->host,
8bbeb278	205	source_p->servptr->name, SHARED_UNDLINE))
3c7d6fcc	206	return;
5f7a6a3d JT	207
5f7a6a3d JT	208	apply_undline(source_p, parv[1]);
f5cb68d5 VY	209	}
f5cb68d5 VY	210
3c7d6fcc	211	static void
f5cb68d5 VY	212	apply_dline(struct Client source_p, const char dlhost, int tdline_time, char *reason)
	213	{
	214	struct ConfItem *aconf;
	215	char *oper_reason;
f5cb68d5 VY	216	struct rb_sockaddr_storage daddr;
	217	int t = AF_INET, ty, b;
	218	const char *creason;
	219
29c92cf9	220	ty = parse_netmask(dlhost, &daddr, &b);
f5cb68d5 VY	221	if(ty == HM_HOST)
f5cb68d5 VY	222	{
8bbeb278	223	sendto_one(source_p, ":%s NOTICE %s :Invalid D-Line", me.name, source_p->name);
3c7d6fcc	224	return;
f5cb68d5 VY	225	}
	226	#ifdef RB_IPV6
	227	if(ty == HM_IPV6)
	228	t = AF_INET6;
	229	else
	230	#endif
	231	t = AF_INET;
	232
	233	/* This means dlines wider than /16 cannot be set remotely */
212380e3 AC	234	if(IsOperAdmin(source_p))
212380e3 AC	235	{
f5cb68d5	236	if(b < 8)
212380e3	237	{
f5cb68d5	238	sendto_one_notice(source_p,
8bbeb278	239	":For safety, bitmasks less than 8 require conf access.");
3c7d6fcc	240	return;
212380e3 AC	241	}
	242	}
	243	else
	244	{
f5cb68d5	245	if(b < 16)
212380e3	246	{
f5cb68d5	247	sendto_one_notice(source_p,
8bbeb278	248	":Dline bitmasks less than 16 are for admins only.");
3c7d6fcc	249	return;
212380e3 AC	250	}
	251	}
	252
54ac8b60 VY	253	if(ConfigFileEntry.non_redundant_klines)
54ac8b60 VY	254	{
8bbeb278	255	if((aconf = find_dline((struct sockaddr *) &daddr, t)) != NULL)
54ac8b60 VY	256	{
	257	int bx;
	258	parse_netmask(aconf->host, NULL, &bx);
	259	if(b >= bx)
	260	{
	261	creason = aconf->passwd ? aconf->passwd : "<No Reason>";
	262	if(IsConfExemptKline(aconf))
	263	sendto_one(source_p,
	264	":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
8bbeb278 AC	265	me.name, source_p->name, dlhost, aconf->host,
8bbeb278 AC	266	creason);
54ac8b60 VY	267	else
	268	sendto_one(source_p,
	269	":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
8bbeb278 AC	270	me.name, source_p->name, dlhost, aconf->host,
8bbeb278 AC	271	creason);
3c7d6fcc	272	return;
54ac8b60 VY	273	}
54ac8b60 VY	274	}
212380e3 AC	275	}
212380e3 AC	276
7df5fcfb	277	rb_set_time();
212380e3 AC	278
	279	aconf = make_conf();
	280	aconf->status = CONF_DLINE;
b52c2949	281	aconf->created = rb_current_time();
47a03750	282	aconf->host = rb_strdup(dlhost);
a12ad044	283	aconf->passwd = rb_strdup(reason);
27f616dd	284	aconf->info.oper = operhash_add(get_oper_name(source_p));
212380e3	285
9319a2e2 KB	286	if(strlen(reason) > BANREASONLEN)
	287	reason[BANREASONLEN] = '\0';
	288
08e8aa7a VY	289	/* Look for an oper reason */
	290	if((oper_reason = strchr(reason, '\|')) != NULL)
	291	{
	292	*oper_reason = '\0';
	293	oper_reason++;
	294
	295	if(!EmptyString(oper_reason))
	296	aconf->spasswd = rb_strdup(oper_reason);
	297	}
	298
212380e3 AC	299	if(tdline_time > 0)
212380e3 AC	300	{
e3354945	301	aconf->hold = rb_current_time() + tdline_time;
212380e3 AC	302	add_temp_dline(aconf);
	303
	304	if(EmptyString(oper_reason))
	305	{
61c096aa	306	sendto_realops_snomask(SNO_GENERAL, L_ALL,
8bbeb278 AC	307	"%s added temporary %d min. D-Line for [%s] [%s]",
	308	get_oper_name(source_p), tdline_time / 60,
	309	aconf->host, reason);
212380e3	310	ilog(L_KLINE, "D %s %d %s %s",
8bbeb278	311	get_oper_name(source_p), tdline_time / 60, aconf->host, reason);
212380e3 AC	312	}
	313	else
	314	{
61c096aa	315	sendto_realops_snomask(SNO_GENERAL, L_ALL,
8bbeb278 AC	316	"%s added temporary %d min. D-Line for [%s] [%s\|%s]",
	317	get_oper_name(source_p), tdline_time / 60,
	318	aconf->host, reason, oper_reason);
212380e3	319	ilog(L_KLINE, "D %s %d %s %s\|%s",
8bbeb278 AC	320	get_oper_name(source_p), tdline_time / 60,
8bbeb278 AC	321	aconf->host, reason, oper_reason);
212380e3 AC	322	}
	323
	324	sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. D-Line for [%s]",
	325	me.name, source_p->name, tdline_time / 60, aconf->host);
	326	}
	327	else
	328	{
40c1fd47	329	add_conf_by_address(aconf->host, CONF_DLINE, NULL, NULL, aconf);
8bbeb278 AC	330
	331	bandb_add(BANDB_DLINE, source_p, aconf->host, NULL,
	332	reason, EmptyString(aconf->spasswd) ? NULL : aconf->spasswd, 0);
9964e935 AC	333
	334	if(EmptyString(oper_reason))
	335	{
	336	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	337	"%s added D-Line for [%s] [%s]",
	338	get_oper_name(source_p), aconf->host, reason);
	339	ilog(L_KLINE, "D %s 0 %s %s",
	340	get_oper_name(source_p), aconf->host, reason);
	341	}
	342	else
	343	{
	344	sendto_realops_snomask(SNO_GENERAL, L_ALL,
	345	"%s added D-Line for [%s] [%s\|%s]",
	346	get_oper_name(source_p), aconf->host, reason, oper_reason);
	347	ilog(L_KLINE, "D %s 0 %s %s\|%s",
	348	get_oper_name(source_p),
	349	aconf->host, reason, oper_reason);
	350	}
212380e3	351	}
212380e3 AC	352	}
212380e3 AC	353
3c7d6fcc	354	static void
f5cb68d5	355	apply_undline(struct Client source_p, const char cidr)
212380e3	356	{
8bbeb278	357	char buf[BUFSIZE];
f5cb68d5	358	struct ConfItem *aconf;
212380e3 AC	359
	360	if(parse_netmask(cidr, NULL, NULL) == HM_HOST)
	361	{
5366977b	362	sendto_one_notice(source_p, ":Invalid D-Line");
3c7d6fcc	363	return;
212380e3 AC	364	}
212380e3 AC	365
6f3a09ff JT	366	aconf = find_exact_conf_by_address(cidr, CONF_DLINE, NULL);
	367	if(aconf == NULL)
	368	{
	369	sendto_one_notice(source_p, ":No D-Line for %s", cidr);
3c7d6fcc	370	return;
6f3a09ff JT	371	}
6f3a09ff JT	372
f427c8b0	373	rb_strlcpy(buf, aconf->host, sizeof buf);
6f3a09ff	374	if(remove_temp_dline(aconf))
212380e3 AC	375	{
	376	sendto_one(source_p,
	377	":%s NOTICE %s :Un-dlined [%s] from temporary D-lines",
f5cb68d5	378	me.name, source_p->name, buf);
212380e3	379	sendto_realops_snomask(SNO_GENERAL, L_ALL,
8bbeb278 AC	380	"%s has removed the temporary D-Line for: [%s]",
8bbeb278 AC	381	get_oper_name(source_p), buf);
6f3a09ff	382	ilog(L_KLINE, "UD %s %s", get_oper_name(source_p), buf);
3c7d6fcc	383	return;
212380e3 AC	384	}
212380e3 AC	385
8bbeb278	386	bandb_del(BANDB_DLINE, aconf->host, NULL);
212380e3	387
8bbeb278 AC	388	sendto_one(source_p, ":%s NOTICE %s :D-Line for [%s] is removed", me.name, source_p->name,
	389	aconf->host);
	390	sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has removed the D-Line for: [%s]",
	391	get_oper_name(source_p), aconf->host);
37f6cc05 JT	392	ilog(L_KLINE, "UD %s %s", get_oper_name(source_p), aconf->host);
37f6cc05 JT	393	delete_one_address_conf(aconf->host, aconf);
212380e3 AC	394	}
212380e3 AC	395
212380e3 AC	396	/* remove_temp_dline()
212380e3 AC	397	*
6f3a09ff	398	* inputs - confitem to undline
3c7d6fcc	399	* outputs - true if removed, false otherwise.
212380e3 AC	400	* side effects - tries to undline anything that matches
212380e3 AC	401	*/
3c7d6fcc	402	static bool
6f3a09ff	403	remove_temp_dline(struct ConfItem *aconf)
212380e3	404	{
5b96d9a6	405	rb_dlink_node *ptr;
212380e3 AC	406	int i;
212380e3 AC	407
8bbeb278	408	for(i = 0; i < LAST_TEMP_TYPE; i++)
212380e3	409	{
5b96d9a6	410	RB_DLINK_FOREACH(ptr, temp_dlines[i].head)
212380e3	411	{
8bbeb278	412	if(aconf == ptr->data)
212380e3	413	{
555ac41f	414	rb_dlinkDestroy(ptr, &temp_dlines[i]);
212380e3	415	delete_one_address_conf(aconf->host, aconf);
3c7d6fcc	416	return true;
212380e3 AC	417	}
	418	}
	419	}
	420
3c7d6fcc	421	return false;
212380e3	422	}