[solanum.git] / modules / m_whowas.c

/*
 *  ircd-ratbox: A slightly useful ircd.
 *  m_whois.c: Shows who a user was.
 *
 *  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
 *
 *  $Id: m_whowas.c 1717 2006-07-04 14:41:11Z jilles $
 */

#include "stdinc.h"
#include "whowas.h"
#include "client.h"
#include "common.h"
#include "hash.h"
#include "match.h"
#include "ircd.h"
#include "ircd_defs.h"
#include "numeric.h"
#include "s_serv.h"
#include "s_user.h"
#include "send.h"
#include "s_conf.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"

static int m_whowas(struct MsgBuf *, struct Client *, struct Client *, int, const char **);

struct Message whowas_msgtab = {
	"WHOWAS", 0, 0, 0, 0,
	{mg_unreg, {m_whowas, 2}, {m_whowas, 4}, mg_ignore, mg_ignore, {m_whowas, 2}}
};

mapi_clist_av1 whowas_clist[] = { &whowas_msgtab, NULL };
DECLARE_MODULE_AV1(whowas, NULL, NULL, whowas_clist, NULL, NULL, "$Revision: 1717 $");

/*
** m_whowas
**      parv[1] = nickname queried
*/
static int
m_whowas(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	rb_dlink_list *whowas_list;
	rb_dlink_node *ptr;
	int cur = 0;
	int max = -1;
	char *p;
	const char *nick;
	char tbuf[26];
	long sendq_limit;

	static time_t last_used = 0L;

	if(MyClient(source_p) && !IsOper(source_p))
	{
		if(last_used + (parc > 3 ? ConfigFileEntry.pace_wait :
						ConfigFileEntry.pace_wait_simple
				) > rb_current_time())
		{
			sendto_one(source_p, form_str(RPL_LOAD2HI),
				   me.name, source_p->name, "WHOWAS");
			sendto_one_numeric(source_p, RPL_ENDOFWHOWAS, form_str(RPL_ENDOFWHOWAS),
				   parv[1]);
			return 0;
		}
		else
			last_used = rb_current_time();
	}


	if(parc > 2)
		max = atoi(parv[2]);

	if(parc > 3)
		if(hunt_server(client_p, source_p, ":%s WHOWAS %s %s :%s", 3, parc, parv))
			return 0;

	if(!MyClient(source_p) && (max <= 0 || max > 20))
		max = 20;

	if((p = strchr(parv[1], ',')))
		*p = '\0';

	nick = parv[1];

	sendq_limit = get_sendq(client_p) * 9 / 10;
	whowas_list = whowas_get_list(nick);

	if(whowas_list == NULL)
	{
		sendto_one_numeric(source_p, ERR_WASNOSUCHNICK, form_str(ERR_WASNOSUCHNICK), nick);
		sendto_one_numeric(source_p, RPL_ENDOFWHOWAS, form_str(RPL_ENDOFWHOWAS), parv[1]);
		return 0;
	}

	RB_DLINK_FOREACH(ptr, whowas_list->head)
	{
		struct Whowas *temp = ptr->data;
		if(cur > 0 && rb_linebuf_len(&client_p->localClient->buf_sendq) > sendq_limit)
		{
			sendto_one(source_p, form_str(ERR_TOOMANYMATCHES),
				   me.name, source_p->name, "WHOWAS");
			break;
		}

		sendto_one(source_p, form_str(RPL_WHOWASUSER),
			   me.name, source_p->name, temp->name,
			   temp->username, temp->hostname, temp->realname);
		if (!EmptyString(temp->sockhost) &&
				strcmp(temp->sockhost, "0") &&
				show_ip_whowas(temp, source_p))
			sendto_one_numeric(source_p, RPL_WHOISACTUALLY,
					   form_str(RPL_WHOISACTUALLY),
					   temp->name, temp->sockhost);

		if (!EmptyString(temp->suser))
			sendto_one_numeric(source_p, RPL_WHOISLOGGEDIN,
					   "%s %s :was logged in as",
					   temp->name, temp->suser);

		sendto_one_numeric(source_p, RPL_WHOISSERVER,
				   form_str(RPL_WHOISSERVER),
				   temp->name, temp->servername,
				   rb_ctime(temp->logoff, tbuf, sizeof(tbuf)));

		cur++;
		if(max > 0 && cur >= max)
			break;
	}

	sendto_one_numeric(source_p, RPL_ENDOFWHOWAS, form_str(RPL_ENDOFWHOWAS), parv[1]);
	return 0;
}
Commit	Line	Data
212380e3 AC	1	/*
	2	* ircd-ratbox: A slightly useful ircd.
	3	* m_whois.c: Shows who a user was.
	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
	23	*
	24	* $Id: m_whowas.c 1717 2006-07-04 14:41:11Z jilles $
	25	*/
	26
	27	#include "stdinc.h"
	28	#include "whowas.h"
	29	#include "client.h"
	30	#include "common.h"
	31	#include "hash.h"
4562c604	32	#include "match.h"
212380e3 AC	33	#include "ircd.h"
	34	#include "ircd_defs.h"
	35	#include "numeric.h"
	36	#include "s_serv.h"
	37	#include "s_user.h"
	38	#include "send.h"
	39	#include "s_conf.h"
	40	#include "msg.h"
	41	#include "parse.h"
	42	#include "modules.h"
	43
428ca87b	44	static int m_whowas(struct MsgBuf , struct Client , struct Client , int, const char *);
212380e3 AC	45
212380e3 AC	46	struct Message whowas_msgtab = {
7baa37a9	47	"WHOWAS", 0, 0, 0, 0,
7a9a9000	48	{mg_unreg, {m_whowas, 2}, {m_whowas, 4}, mg_ignore, mg_ignore, {m_whowas, 2}}
212380e3 AC	49	};
	50
	51	mapi_clist_av1 whowas_clist[] = { &whowas_msgtab, NULL };
	52	DECLARE_MODULE_AV1(whowas, NULL, NULL, whowas_clist, NULL, NULL, "$Revision: 1717 $");
	53
	54	/*
	55	** m_whowas
212380e3 AC	56	** parv[1] = nickname queried
	57	*/
	58	static int
428ca87b	59	m_whowas(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
55abcbb2	60	{
b47f8a4f AC	61	rb_dlink_list *whowas_list;
b47f8a4f AC	62	rb_dlink_node *ptr;
212380e3	63	int cur = 0;
b47f8a4f	64	int max = -1;
212380e3 AC	65	char *p;
212380e3 AC	66	const char *nick;
08d75d97	67	char tbuf[26];
df2516e6	68	long sendq_limit;
212380e3 AC	69
	70	static time_t last_used = 0L;
	71
7a9a9000	72	if(MyClient(source_p) && !IsOper(source_p))
212380e3	73	{
7a9a9000 JT	74	if(last_used + (parc > 3 ? ConfigFileEntry.pace_wait :
	75	ConfigFileEntry.pace_wait_simple
	76	) > rb_current_time())
212380e3 AC	77	{
	78	sendto_one(source_p, form_str(RPL_LOAD2HI),
	79	me.name, source_p->name, "WHOWAS");
b47f8a4f AC	80	sendto_one_numeric(source_p, RPL_ENDOFWHOWAS, form_str(RPL_ENDOFWHOWAS),
b47f8a4f AC	81	parv[1]);
212380e3 AC	82	return 0;
	83	}
	84	else
e3354945	85	last_used = rb_current_time();
212380e3 AC	86	}
	87
	88
	89	if(parc > 2)
	90	max = atoi(parv[2]);
	91
212380e3 AC	92	if(parc > 3)
	93	if(hunt_server(client_p, source_p, ":%s WHOWAS %s %s :%s", 3, parc, parv))
	94	return 0;
7a9a9000 JT	95
	96	if(!MyClient(source_p) && (max <= 0 \|\| max > 20))
	97	max = 20;
212380e3 AC	98
	99	if((p = strchr(parv[1], ',')))
	100	*p = '\0';
	101
	102	nick = parv[1];
	103
df2516e6	104	sendq_limit = get_sendq(client_p) * 9 / 10;
b47f8a4f	105	whowas_list = whowas_get_list(nick);
df2516e6	106
b47f8a4f	107	if(whowas_list == NULL)
212380e3	108	{
b47f8a4f AC	109	sendto_one_numeric(source_p, ERR_WASNOSUCHNICK, form_str(ERR_WASNOSUCHNICK), nick);
	110	sendto_one_numeric(source_p, RPL_ENDOFWHOWAS, form_str(RPL_ENDOFWHOWAS), parv[1]);
	111	return 0;
	112	}
	113
	114	RB_DLINK_FOREACH(ptr, whowas_list->head)
	115	{
	116	struct Whowas *temp = ptr->data;
	117	if(cur > 0 && rb_linebuf_len(&client_p->localClient->buf_sendq) > sendq_limit)
212380e3	118	{
b47f8a4f AC	119	sendto_one(source_p, form_str(ERR_TOOMANYMATCHES),
	120	me.name, source_p->name, "WHOWAS");
	121	break;
212380e3	122	}
b47f8a4f AC	123
	124	sendto_one(source_p, form_str(RPL_WHOWASUSER),
	125	me.name, source_p->name, temp->name,
	126	temp->username, temp->hostname, temp->realname);
	127	if (!EmptyString(temp->sockhost) &&
	128	strcmp(temp->sockhost, "0") &&
	129	show_ip_whowas(temp, source_p))
	130	sendto_one_numeric(source_p, RPL_WHOISACTUALLY,
	131	form_str(RPL_WHOISACTUALLY),
	132	temp->name, temp->sockhost);
	133
	134	if (!EmptyString(temp->suser))
	135	sendto_one_numeric(source_p, RPL_WHOISLOGGEDIN,
	136	"%s %s :was logged in as",
	137	temp->name, temp->suser);
	138
	139	sendto_one_numeric(source_p, RPL_WHOISSERVER,
	140	form_str(RPL_WHOISSERVER),
	141	temp->name, temp->servername,
	142	rb_ctime(temp->logoff, tbuf, sizeof(tbuf)));
	143
	144	cur++;
212380e3 AC	145	if(max > 0 && cur >= max)
	146	break;
	147	}
	148
b47f8a4f	149	sendto_one_numeric(source_p, RPL_ENDOFWHOWAS, form_str(RPL_ENDOFWHOWAS), parv[1]);
212380e3 AC	150	return 0;
212380e3 AC	151	}