[irc/rqf/shadowircd.git] / modules / m_testmask.c

/*
 *  m_testmask.c: Shows the number of matching local and global clients
 *                for a user@host mask
 *
 *  Copyright (C) 2003 by W. Campbell
 *  Coypright (C) 2004 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.
 *
 *
 */

/* List of ircd includes from ../include/ */
#include "stdinc.h"
#include "client.h"
#include "common.h"     /* FALSE bleah */
#include "ircd.h"
#include "match.h"
#include "numeric.h"
#include "s_conf.h"
#include "logger.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"

static int mo_testmask(struct Client *client_p, struct Client *source_p,
			int parc, const char *parv[]);

struct Message testmask_msgtab = {
	"TESTMASK", 0, 0, 0, MFLG_SLOW,
	{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_testmask, 2}}
};

mapi_clist_av1 testmask_clist[] = { &testmask_msgtab, NULL };
DECLARE_MODULE_AV1(testmask, NULL, NULL, testmask_clist, NULL, NULL, "$Revision: 3161 $");

static const char *empty_sockhost = "255.255.255.255";
static const char *spoofed_sockhost = "0";

static int
mo_testmask(struct Client *client_p, struct Client *source_p,
                        int parc, const char *parv[])
{
	struct Client *target_p;
	int lcount = 0;
	int gcount = 0;
	char *name, *username, *hostname;
	const char *sockhost;
	char *gecos = NULL;
	rb_dlink_node *ptr;

	name = LOCAL_COPY(parv[1]);
	collapse(name);

	/* username is required */
	if((hostname = strchr(name, '@')) == NULL)
	{
		sendto_one_notice(source_p, ":Invalid parameters");
		return 0;
	}

	*hostname++ = '\0';

	/* nickname is optional */
	if((username = strchr(name, '!')) == NULL)
	{
		username = name;
		name = NULL;
	}
	else
		*username++ = '\0';

	if(EmptyString(username) || EmptyString(hostname))
	{
		sendto_one_notice(source_p, ":Invalid parameters");
		return 0;
	}

	if(parc > 2 && !EmptyString(parv[2]))
	{
		gecos = LOCAL_COPY(parv[2]);
		collapse_esc(gecos);
	}

	RB_DLINK_FOREACH(ptr, global_client_list.head)
	{
		target_p = ptr->data;

		if(!IsPerson(target_p))
			continue;

		if(EmptyString(target_p->sockhost))
			sockhost = empty_sockhost;
		else if(!show_ip(source_p, target_p))
			sockhost = spoofed_sockhost;
		else
			sockhost = target_p->sockhost;

		if(match(username, target_p->username) &&
		   (match(hostname, target_p->host) ||
		    match(hostname, target_p->orighost) ||
		    match(hostname, sockhost) || match_ips(hostname, sockhost)))
		{
			if(name && !match(name, target_p->name))
				continue;

			if(gecos && !match_esc(gecos, target_p->info))
				continue;

			if(MyClient(target_p))
				lcount++;
			else
				gcount++;
		}
	}

	sendto_one(source_p, form_str(RPL_TESTMASKGECOS),
			me.name, source_p->name,
			lcount, gcount, name ? name : "*",
			username, hostname, gecos ? gecos : "*");
	return 0;
}
Commit	Line	Data
212380e3	1	/*
212380e3	2	* m_testmask.c: Shows the number of matching local and global clients
d5a432fa	3	* for a user@host mask
212380e3	4	*
	5	* Copyright (C) 2003 by W. Campbell
	6	* Coypright (C) 2004 ircd-ratbox development team
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions are
	10	* met:
	11	*
	12	* 1.Redistributions of source code must retain the above copyright notice,
	13	* this list of conditions and the following disclaimer.
	14	* 2.Redistributions in binary form must reproduce the above copyright
	15	* notice, this list of conditions and the following disclaimer in the
	16	* documentation and/or other materials provided with the distribution.
	17	* 3.The name of the author may not be used to endorse or promote products
	18	* derived from this software without specific prior written permission.
	19	*
	20	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	21	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	22	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	23	* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	24	* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	25	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	26	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	27	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	28	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	29	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	30	* POSSIBILITY OF SUCH DAMAGE.
	31	*
212380e3	32	*
	33	*/
	34
	35	/* List of ircd includes from ../include/ */
	36	#include "stdinc.h"
	37	#include "client.h"
	38	#include "common.h" /* FALSE bleah */
	39	#include "ircd.h"
13ae2f4b	40	#include "match.h"
212380e3	41	#include "numeric.h"
212380e3	42	#include "s_conf.h"
d3455e2c	43	#include "logger.h"
212380e3	44	#include "s_serv.h"
	45	#include "send.h"
	46	#include "msg.h"
	47	#include "parse.h"
	48	#include "modules.h"
	49
	50	static int mo_testmask(struct Client client_p, struct Client source_p,
	51	int parc, const char *parv[]);
	52
	53	struct Message testmask_msgtab = {
	54	"TESTMASK", 0, 0, 0, MFLG_SLOW,
	55	{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_testmask, 2}}
	56	};
	57
	58	mapi_clist_av1 testmask_clist[] = { &testmask_msgtab, NULL };
5366977b	59	DECLARE_MODULE_AV1(testmask, NULL, NULL, testmask_clist, NULL, NULL, "$Revision: 3161 $");
212380e3	60
	61	static const char *empty_sockhost = "255.255.255.255";
	62	static const char *spoofed_sockhost = "0";
	63
	64	static int
	65	mo_testmask(struct Client client_p, struct Client source_p,
	66	int parc, const char *parv[])
	67	{
	68	struct Client *target_p;
	69	int lcount = 0;
	70	int gcount = 0;
	71	char name, username, *hostname;
	72	const char *sockhost;
eb5e3f15	73	char *gecos = NULL;
08d11e34	74	rb_dlink_node *ptr;
212380e3	75
	76	name = LOCAL_COPY(parv[1]);
	77	collapse(name);
	78
	79	/* username is required */
	80	if((hostname = strchr(name, '@')) == NULL)
	81	{
5366977b	82	sendto_one_notice(source_p, ":Invalid parameters");
212380e3	83	return 0;
	84	}
	85
	86	*hostname++ = '\0';
	87
	88	/* nickname is optional */
	89	if((username = strchr(name, '!')) == NULL)
	90	{
	91	username = name;
	92	name = NULL;
	93	}
	94	else
	95	*username++ = '\0';
	96
	97	if(EmptyString(username) \|\| EmptyString(hostname))
	98	{
5366977b	99	sendto_one_notice(source_p, ":Invalid parameters");
212380e3	100	return 0;
	101	}
	102
	103	if(parc > 2 && !EmptyString(parv[2]))
	104	{
	105	gecos = LOCAL_COPY(parv[2]);
	106	collapse_esc(gecos);
212380e3	107	}
212380e3	108
08d11e34	109	RB_DLINK_FOREACH(ptr, global_client_list.head)
212380e3	110	{
	111	target_p = ptr->data;
	112
	113	if(!IsPerson(target_p))
	114	continue;
	115
	116	if(EmptyString(target_p->sockhost))
	117	sockhost = empty_sockhost;
	118	else if(!show_ip(source_p, target_p))
	119	sockhost = spoofed_sockhost;
	120	else
	121	sockhost = target_p->sockhost;
	122
	123	if(match(username, target_p->username) &&
	124	(match(hostname, target_p->host) \|\|
	125	match(hostname, target_p->orighost) \|\|
	126	match(hostname, sockhost) \|\| match_ips(hostname, sockhost)))
	127	{
	128	if(name && !match(name, target_p->name))
	129	continue;
	130
eb5e3f15	131	if(gecos && !match_esc(gecos, target_p->info))
212380e3	132	continue;
	133
	134	if(MyClient(target_p))
	135	lcount++;
	136	else
	137	gcount++;
	138	}
	139	}
	140
	141	sendto_one(source_p, form_str(RPL_TESTMASKGECOS),
	142	me.name, source_p->name,
	143	lcount, gcount, name ? name : "*",
	144	username, hostname, gecos ? gecos : "*");
	145	return 0;
	146	}