[solanum.git] / modules / m_whois.c

/*
 *  ircd-ratbox: A slightly useful ircd.
 *  m_whois.c: Shows who a user is.
 *
 *  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 "common.h"
#include "client.h"
#include "hash.h"
#include "channel.h"
#include "hash.h"
#include "ircd.h"
#include "numeric.h"
#include "s_conf.h"
#include "s_serv.h"
#include "send.h"
#include "match.h"
#include "s_conf.h"
#include "logger.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "hook.h"
#include "s_newconf.h"
#include "ipv4_from_ipv6.h"
#include "ratelimit.h"
#include "s_assert.h"

static void do_whois(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
static void single_whois(struct Client *source_p, struct Client *target_p, int operspy);

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

struct Message whois_msgtab = {
	"WHOIS", 0, 0, 0, 0,
	{mg_unreg, {m_whois, 2}, {ms_whois, 2}, mg_ignore, mg_ignore, {m_whois, 2}}
};

int doing_whois_hook;
int doing_whois_global_hook;
int doing_whois_channel_visibility_hook;

mapi_clist_av1 whois_clist[] = { &whois_msgtab, NULL };
mapi_hlist_av1 whois_hlist[] = {
	{ "doing_whois",			&doing_whois_hook },
	{ "doing_whois_global",			&doing_whois_global_hook },
	{ "doing_whois_channel_visibility",	&doing_whois_channel_visibility_hook },
	{ NULL, NULL }
};

DECLARE_MODULE_AV2(whois, NULL, NULL, whois_clist, whois_hlist, NULL, NULL, NULL, NULL);

/*
 * m_whois
 *      parv[1] = nickname masklist
 */
static int
m_whois(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	static time_t last_used = 0;

	if(parc > 2)
	{
		if(EmptyString(parv[2]))
		{
			sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
					me.name, source_p->name);
			return 0;
		}

		if(!IsOper(source_p))
		{
			/* seeing as this is going across servers, we should limit it */
			if((last_used + ConfigFileEntry.pace_wait_simple) > rb_current_time() || !ratelimit_client(source_p, 2))
			{
				sendto_one(source_p, form_str(RPL_LOAD2HI),
					   me.name, source_p->name, "WHOIS");
				sendto_one_numeric(source_p, RPL_ENDOFWHOIS,
						   form_str(RPL_ENDOFWHOIS), parv[2]);
				return 0;
			}
			else
				last_used = rb_current_time();
		}

		if(hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1, parc, parv) !=
		   HUNTED_ISME)
			return 0;

		parv[1] = parv[2];

	}
	do_whois(client_p, source_p, parc, parv);

	return 0;
}

/*
 * ms_whois
 *      parv[1] = server to reply
 *      parv[2] = nickname to whois
 */
static int
ms_whois(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	struct Client *target_p;

	/* note: early versions of ratbox allowed users to issue a remote
	 * whois with a blank parv[2], so we cannot treat it as a protocol
	 * violation. --anfl
	 */
	if(parc < 3 || EmptyString(parv[2]))
	{
		sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
				me.name, source_p->name);
		return 0;
	}

	/* check if parv[1] exists */
	if((target_p = find_client(parv[1])) == NULL)
	{
		sendto_one_numeric(source_p, ERR_NOSUCHSERVER,
				   form_str(ERR_NOSUCHSERVER),
				   IsDigit(parv[1][0]) ? "*" : parv[1]);
		return 0;
	}

	/* if parv[1] isnt my client, or me, someone else is supposed
	 * to be handling the request.. so send it to them
	 */
	if(!MyClient(target_p) && !IsMe(target_p))
	{
		sendto_one(target_p, ":%s WHOIS %s :%s",
			   get_id(source_p, target_p),
			   get_id(target_p, target_p), parv[2]);
		return 0;
	}

	/* ok, the target is either us, or a client on our server, so perform the whois
	 * but first, parv[1] == server to perform the whois on, parv[2] == person
	 * to whois, so make parv[1] = parv[2] so do_whois is ok -- fl_
	 */
	parv[1] = parv[2];
	do_whois(client_p, source_p, parc, parv);

	return 0;
}

/* do_whois
 *
 * inputs	- pointer to
 * output	-
 * side effects -
 */
static void
do_whois(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	struct Client *target_p;
	char *nick;
	char *p = NULL;
	int operspy = 0;

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

	if(IsOperSpy(source_p) && *nick == '!')
	{
		operspy = 1;
		nick++;
	}

	target_p = find_named_person(nick);
	if(target_p != NULL)
	{
		if(operspy)
		{
			char buffer[BUFSIZE];

			snprintf(buffer, sizeof(buffer), "%s!%s@%s %s",
				target_p->name, target_p->username,
				target_p->host, target_p->servptr->name);
			report_operspy(source_p, "WHOIS", buffer);
		}

		single_whois(source_p, target_p, operspy);
	}
	else
		sendto_one_numeric(source_p, ERR_NOSUCHNICK,
				   form_str(ERR_NOSUCHNICK),
				   nick);

	sendto_one_numeric(source_p, RPL_ENDOFWHOIS,
			   form_str(RPL_ENDOFWHOIS), parv[1]);
	return;
}

/*
 * single_whois()
 *
 * Inputs	- source_p client to report to
 *		- target_p client to report on
 * Output	- if found return 1
 * Side Effects	- do a single whois on given client
 * 		  writing results to source_p
 */
static void
single_whois(struct Client *source_p, struct Client *target_p, int operspy)
{
	char buf[BUFSIZE];
	rb_dlink_node *ptr;
	struct membership *msptr;
	struct Channel *chptr;
	int cur_len = 0;
	int mlen;
	char *t;
	int tlen;
	hook_data_client hdata;
	int extra_space = 0;
#ifdef RB_IPV6
	struct sockaddr_in ip4;
#endif

	if(target_p->user == NULL)
	{
		s_assert(0);
		return;
	}

	sendto_one_numeric(source_p, RPL_WHOISUSER, form_str(RPL_WHOISUSER),
			   target_p->name, target_p->username,
			   target_p->host, target_p->info);

	cur_len = mlen = sprintf(buf, form_str(RPL_WHOISCHANNELS),
				    get_id(&me, source_p), get_id(source_p, source_p),
				    target_p->name);

	/* Make sure it won't overflow when sending it to the client
	 * in full names; note that serverhiding may require more space
	 * for a different server name (not done here) -- jilles
	 */
	if (!MyConnect(source_p))
	{
		extra_space = strlen(source_p->name) - 9;
		if (extra_space < 0)
			extra_space = 0;
		extra_space += strlen(me.name) - 2; /* make sure >= 0 */
		cur_len += extra_space;
	}

	t = buf + mlen;

	hdata.client = source_p;
	hdata.target = target_p;

	if (!IsService(target_p))
	{
		RB_DLINK_FOREACH(ptr, target_p->user->channel.head)
		{
			msptr = ptr->data;
			chptr = msptr->chptr;

			hdata.chptr = chptr;

			hdata.approved = ShowChannel(source_p, chptr);
			call_hook(doing_whois_channel_visibility_hook, &hdata);

			if(hdata.approved || operspy)
			{
				if((cur_len + strlen(chptr->chname) + 3) > (BUFSIZE - 5))
				{
					sendto_one(source_p, "%s", buf);
					cur_len = mlen + extra_space;
					t = buf + mlen;
				}

				tlen = sprintf(t, "%s%s%s ",
						hdata.approved ? "" : "!",
						find_channel_status(msptr, 1),
						chptr->chname);
				t += tlen;
				cur_len += tlen;
			}
		}
	}

	if(cur_len > mlen + extra_space)
		sendto_one(source_p, "%s", buf);

	sendto_one_numeric(source_p, RPL_WHOISSERVER, form_str(RPL_WHOISSERVER),
			   target_p->name, target_p->servptr->name,
			   target_p->servptr->info);

	if(target_p->user->away)
		sendto_one_numeric(source_p, RPL_AWAY, form_str(RPL_AWAY),
				   target_p->name, target_p->user->away);

	if(IsOper(target_p) && (!ConfigFileEntry.hide_opers_in_whois || IsOper(source_p)))
	{
		sendto_one_numeric(source_p, RPL_WHOISOPERATOR, form_str(RPL_WHOISOPERATOR),
				   target_p->name,
				   IsService(target_p) ? ConfigFileEntry.servicestring :
				   (IsAdmin(target_p) ? GlobalSetOptions.adminstring :
				    GlobalSetOptions.operstring));
	}

	if(MyClient(target_p) && !EmptyString(target_p->localClient->opername) && IsOper(source_p))
	{
		char buf[512];
		snprintf(buf, sizeof(buf), "is opered as %s, privset %s",
			    target_p->localClient->opername, target_p->localClient->privset->name);
		sendto_one_numeric(source_p, RPL_WHOISSPECIAL, form_str(RPL_WHOISSPECIAL),
				   target_p->name, buf);
	}

	if(IsSSLClient(target_p))
	{
		char cbuf[256] = "is using a secure connection";

		if (MyClient(target_p) && target_p->localClient->cipher_string != NULL)
			rb_snprintf_append(cbuf, sizeof(cbuf), " [%s]", target_p->localClient->cipher_string);

		sendto_one_numeric(source_p, RPL_WHOISSECURE, form_str(RPL_WHOISSECURE),
				   target_p->name, cbuf);
		if((source_p == target_p || IsOper(source_p)) &&
				target_p->certfp != NULL)
			sendto_one_numeric(source_p, RPL_WHOISCERTFP,
					form_str(RPL_WHOISCERTFP),
					target_p->name, target_p->certfp);
	}

	if(MyClient(target_p))
	{
		if (IsDynSpoof(target_p) && (IsOper(source_p) || source_p == target_p))
		{
			/* trick here: show a nonoper their own IP if
			 * dynamic spoofed but not if auth{} spoofed
			 * -- jilles */
			ClearDynSpoof(target_p);
			sendto_one_numeric(source_p, RPL_WHOISHOST,
					   form_str(RPL_WHOISHOST),
					   target_p->name, target_p->orighost,
					   show_ip(source_p, target_p) ? target_p->sockhost : "255.255.255.255");
			SetDynSpoof(target_p);
		}
		else if(ConfigFileEntry.use_whois_actually && show_ip(source_p, target_p))
			sendto_one_numeric(source_p, RPL_WHOISACTUALLY,
					   form_str(RPL_WHOISACTUALLY),
					   target_p->name, target_p->sockhost);

#ifdef RB_IPV6
		if (target_p->localClient->ip.ss_family == AF_INET6 &&
				(show_ip(source_p, target_p) ||
				 (source_p == target_p && !IsIPSpoof(target_p))) &&
				ipv4_from_ipv6((struct sockaddr_in6 *)&target_p->localClient->ip, &ip4))
		{
			rb_inet_ntop_sock((struct sockaddr *)&ip4,
					buf, sizeof buf);
			sendto_one_numeric(source_p, RPL_WHOISTEXT,
					"%s :Underlying IPv4 is %s",
					target_p->name, buf);
		}
#endif /* RB_IPV6 */

		sendto_one_numeric(source_p, RPL_WHOISIDLE, form_str(RPL_WHOISIDLE),
				   target_p->name,
				   (long)(rb_current_time() - target_p->localClient->last),
				   (unsigned long)target_p->localClient->firsttime);
	}
	else
	{
		if (IsDynSpoof(target_p) && (IsOper(source_p) || source_p == target_p))
		{
			ClearDynSpoof(target_p);
			sendto_one_numeric(source_p, RPL_WHOISHOST,
					   form_str(RPL_WHOISHOST),
					   target_p->name, target_p->orighost,
					   show_ip(source_p, target_p) && !EmptyString(target_p->sockhost) && strcmp(target_p->sockhost, "0")? target_p->sockhost : "255.255.255.255");
			SetDynSpoof(target_p);
		}
		else if(ConfigFileEntry.use_whois_actually && show_ip(source_p, target_p) &&
		   !EmptyString(target_p->sockhost) && strcmp(target_p->sockhost, "0"))
		{
			sendto_one_numeric(source_p, RPL_WHOISACTUALLY,
					   form_str(RPL_WHOISACTUALLY),
					   target_p->name, target_p->sockhost);

		}
	}

	/* doing_whois_hook must only be called for local clients,
	 * doing_whois_global_hook must only be called for local targets
	 */
	/* it is important that these are called *before* RPL_ENDOFWHOIS is
	 * sent, services compatibility code depends on it. --anfl
	 */
	if(MyClient(source_p))
		call_hook(doing_whois_hook, &hdata);
	else
		call_hook(doing_whois_global_hook, &hdata);

	return;
}
Commit	Line	Data
212380e3 AC	1	/*
	2	* ircd-ratbox: A slightly useful ircd.
	3	* m_whois.c: Shows who a user is.
	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 "common.h"
	27	#include "client.h"
	28	#include "hash.h"
	29	#include "channel.h"
	30	#include "hash.h"
	31	#include "ircd.h"
	32	#include "numeric.h"
	33	#include "s_conf.h"
	34	#include "s_serv.h"
	35	#include "send.h"
4562c604	36	#include "match.h"
212380e3	37	#include "s_conf.h"
4016731b	38	#include "logger.h"
212380e3 AC	39	#include "msg.h"
	40	#include "parse.h"
	41	#include "modules.h"
	42	#include "hook.h"
	43	#include "s_newconf.h"
ae52fe0f	44	#include "ipv4_from_ipv6.h"
7e132ff0	45	#include "ratelimit.h"
77d3d2db	46	#include "s_assert.h"
212380e3 AC	47
	48	static void do_whois(struct Client client_p, struct Client source_p, int parc, const char *parv[]);
	49	static void single_whois(struct Client source_p, struct Client target_p, int operspy);
	50
428ca87b AC	51	static int m_whois(struct MsgBuf , struct Client , struct Client , int, const char *);
428ca87b AC	52	static int ms_whois(struct MsgBuf , struct Client , struct Client , int, const char *);
212380e3 AC	53
212380e3 AC	54	struct Message whois_msgtab = {
7baa37a9	55	"WHOIS", 0, 0, 0, 0,
212380e3 AC	56	{mg_unreg, {m_whois, 2}, {ms_whois, 2}, mg_ignore, mg_ignore, {m_whois, 2}}
	57	};
	58
	59	int doing_whois_hook;
	60	int doing_whois_global_hook;
9e07c8f7	61	int doing_whois_channel_visibility_hook;
212380e3 AC	62
	63	mapi_clist_av1 whois_clist[] = { &whois_msgtab, NULL };
	64	mapi_hlist_av1 whois_hlist[] = {
9e07c8f7 AC	65	{ "doing_whois", &doing_whois_hook },
	66	{ "doing_whois_global", &doing_whois_global_hook },
	67	{ "doing_whois_channel_visibility", &doing_whois_channel_visibility_hook },
212380e3 AC	68	{ NULL, NULL }
	69	};
	70
105a4985	71	DECLARE_MODULE_AV2(whois, NULL, NULL, whois_clist, whois_hlist, NULL, NULL, NULL, NULL);
212380e3 AC	72
	73	/*
	74	* m_whois
212380e3 AC	75	* parv[1] = nickname masklist
	76	*/
	77	static int
428ca87b	78	m_whois(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	79	{
	80	static time_t last_used = 0;
	81
	82	if(parc > 2)
	83	{
	84	if(EmptyString(parv[2]))
	85	{
	86	sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
	87	me.name, source_p->name);
	88	return 0;
	89	}
	90
	91	if(!IsOper(source_p))
	92	{
	93	/* seeing as this is going across servers, we should limit it */
7e132ff0	94	if((last_used + ConfigFileEntry.pace_wait_simple) > rb_current_time() \|\| !ratelimit_client(source_p, 2))
212380e3 AC	95	{
	96	sendto_one(source_p, form_str(RPL_LOAD2HI),
	97	me.name, source_p->name, "WHOIS");
55abcbb2	98	sendto_one_numeric(source_p, RPL_ENDOFWHOIS,
f7eac53d	99	form_str(RPL_ENDOFWHOIS), parv[2]);
212380e3 AC	100	return 0;
	101	}
	102	else
e3354945	103	last_used = rb_current_time();
212380e3 AC	104	}
	105
	106	if(hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1, parc, parv) !=
	107	HUNTED_ISME)
	108	return 0;
	109
	110	parv[1] = parv[2];
	111
	112	}
	113	do_whois(client_p, source_p, parc, parv);
	114
	115	return 0;
	116	}
	117
	118	/*
	119	* ms_whois
212380e3 AC	120	* parv[1] = server to reply
	121	* parv[2] = nickname to whois
	122	*/
	123	static int
428ca87b	124	ms_whois(struct MsgBuf msgbuf_p, struct Client client_p, struct Client source_p, int parc, const char parv[])
212380e3 AC	125	{
	126	struct Client *target_p;
	127
	128	/* note: early versions of ratbox allowed users to issue a remote
	129	* whois with a blank parv[2], so we cannot treat it as a protocol
	130	* violation. --anfl
	131	*/
	132	if(parc < 3 \|\| EmptyString(parv[2]))
	133	{
	134	sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
	135	me.name, source_p->name);
	136	return 0;
	137	}
	138
	139	/* check if parv[1] exists */
	140	if((target_p = find_client(parv[1])) == NULL)
	141	{
	142	sendto_one_numeric(source_p, ERR_NOSUCHSERVER,
55abcbb2	143	form_str(ERR_NOSUCHSERVER),
212380e3 AC	144	IsDigit(parv[1][0]) ? "*" : parv[1]);
	145	return 0;
	146	}
	147
	148	/* if parv[1] isnt my client, or me, someone else is supposed
55abcbb2	149	* to be handling the request.. so send it to them
212380e3 AC	150	*/
	151	if(!MyClient(target_p) && !IsMe(target_p))
	152	{
55abcbb2 KB	153	sendto_one(target_p, ":%s WHOIS %s :%s",
55abcbb2 KB	154	get_id(source_p, target_p),
212380e3 AC	155	get_id(target_p, target_p), parv[2]);
	156	return 0;
	157	}
	158
	159	/* ok, the target is either us, or a client on our server, so perform the whois
	160	* but first, parv[1] == server to perform the whois on, parv[2] == person
	161	* to whois, so make parv[1] = parv[2] so do_whois is ok -- fl_
	162	*/
	163	parv[1] = parv[2];
	164	do_whois(client_p, source_p, parc, parv);
	165
	166	return 0;
	167	}
	168
	169	/* do_whois
	170	*
55abcbb2 KB	171	* inputs - pointer to
55abcbb2 KB	172	* output -
212380e3 AC	173	* side effects -
	174	*/
	175	static void
	176	do_whois(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	177	{
	178	struct Client *target_p;
	179	char *nick;
	180	char *p = NULL;
	181	int operspy = 0;
	182
	183	nick = LOCAL_COPY(parv[1]);
	184	if((p = strchr(nick, ',')))
	185	*p = '\0';
	186
	187	if(IsOperSpy(source_p) && *nick == '!')
	188	{
	189	operspy = 1;
	190	nick++;
	191	}
	192
2ebef8d9	193	target_p = find_named_person(nick);
212380e3 AC	194	if(target_p != NULL)
	195	{
	196	if(operspy)
	197	{
	198	char buffer[BUFSIZE];
	199
5203cba5	200	snprintf(buffer, sizeof(buffer), "%s!%s@%s %s",
212380e3	201	target_p->name, target_p->username,
c88cdb00	202	target_p->host, target_p->servptr->name);
212380e3 AC	203	report_operspy(source_p, "WHOIS", buffer);
	204	}
	205
	206	single_whois(source_p, target_p, operspy);
	207	}
	208	else
	209	sendto_one_numeric(source_p, ERR_NOSUCHNICK,
55abcbb2	210	form_str(ERR_NOSUCHNICK),
8a1e143f	211	nick);
212380e3	212
55abcbb2	213	sendto_one_numeric(source_p, RPL_ENDOFWHOIS,
212380e3 AC	214	form_str(RPL_ENDOFWHOIS), parv[1]);
	215	return;
	216	}
	217
	218	/*
	219	* single_whois()
	220	*
	221	* Inputs - source_p client to report to
	222	* - target_p client to report on
	223	* Output - if found return 1
	224	* Side Effects - do a single whois on given client
	225	* writing results to source_p
	226	*/
	227	static void
	228	single_whois(struct Client source_p, struct Client target_p, int operspy)
	229	{
	230	char buf[BUFSIZE];
5b96d9a6	231	rb_dlink_node *ptr;
212380e3 AC	232	struct membership *msptr;
	233	struct Channel *chptr;
	234	int cur_len = 0;
	235	int mlen;
	236	char *t;
	237	int tlen;
	238	hook_data_client hdata;
212380e3	239	int extra_space = 0;
ae52fe0f JT	240	#ifdef RB_IPV6
	241	struct sockaddr_in ip4;
	242	#endif
212380e3	243
212380e3 AC	244	if(target_p->user == NULL)
	245	{
	246	s_assert(0);
	247	return;
	248	}
	249
212380e3	250	sendto_one_numeric(source_p, RPL_WHOISUSER, form_str(RPL_WHOISUSER),
55abcbb2	251	target_p->name, target_p->username,
212380e3 AC	252	target_p->host, target_p->info);
212380e3 AC	253
5203cba5	254	cur_len = mlen = sprintf(buf, form_str(RPL_WHOISCHANNELS),
55abcbb2	255	get_id(&me, source_p), get_id(source_p, source_p),
212380e3 AC	256	target_p->name);
	257
	258	/* Make sure it won't overflow when sending it to the client
	259	* in full names; note that serverhiding may require more space
	260	* for a different server name (not done here) -- jilles
	261	*/
	262	if (!MyConnect(source_p))
	263	{
	264	extra_space = strlen(source_p->name) - 9;
	265	if (extra_space < 0)
	266	extra_space = 0;
	267	extra_space += strlen(me.name) - 2; /* make sure >= 0 */
	268	cur_len += extra_space;
	269	}
	270
	271	t = buf + mlen;
	272
9e07c8f7 AC	273	hdata.client = source_p;
	274	hdata.target = target_p;
	275
04513cff	276	if (!IsService(target_p))
212380e3	277	{
5b96d9a6	278	RB_DLINK_FOREACH(ptr, target_p->user->channel.head)
04513cff JT	279	{
	280	msptr = ptr->data;
	281	chptr = msptr->chptr;
212380e3	282
9e07c8f7 AC	283	hdata.chptr = chptr;
	284
	285	hdata.approved = ShowChannel(source_p, chptr);
	286	call_hook(doing_whois_channel_visibility_hook, &hdata);
212380e3	287
9e07c8f7	288	if(hdata.approved \|\| operspy)
212380e3	289	{
04513cff JT	290	if((cur_len + strlen(chptr->chname) + 3) > (BUFSIZE - 5))
	291	{
	292	sendto_one(source_p, "%s", buf);
	293	cur_len = mlen + extra_space;
	294	t = buf + mlen;
	295	}
	296
5203cba5	297	tlen = sprintf(t, "%s%s%s ",
9e07c8f7	298	hdata.approved ? "" : "!",
04513cff JT	299	find_channel_status(msptr, 1),
	300	chptr->chname);
	301	t += tlen;
	302	cur_len += tlen;
212380e3	303	}
212380e3 AC	304	}
	305	}
	306
	307	if(cur_len > mlen + extra_space)
	308	sendto_one(source_p, "%s", buf);
	309
	310	sendto_one_numeric(source_p, RPL_WHOISSERVER, form_str(RPL_WHOISSERVER),
c88cdb00	311	target_p->name, target_p->servptr->name,
8170176a	312	target_p->servptr->info);
212380e3	313
c127b45b	314	if(target_p->user->away)
212380e3	315	sendto_one_numeric(source_p, RPL_AWAY, form_str(RPL_AWAY),
c127b45b	316	target_p->name, target_p->user->away);
212380e3	317
6da38a0a	318	if(IsOper(target_p) && (!ConfigFileEntry.hide_opers_in_whois \|\| IsOper(source_p)))
212380e3 AC	319	{
	320	sendto_one_numeric(source_p, RPL_WHOISOPERATOR, form_str(RPL_WHOISOPERATOR),
	321	target_p->name,
	322	IsService(target_p) ? ConfigFileEntry.servicestring :
	323	(IsAdmin(target_p) ? GlobalSetOptions.adminstring :
	324	GlobalSetOptions.operstring));
	325	}
	326
5810d36e	327	if(MyClient(target_p) && !EmptyString(target_p->localClient->opername) && IsOper(source_p))
72ad5c04 AC	328	{
72ad5c04 AC	329	char buf[512];
5203cba5	330	snprintf(buf, sizeof(buf), "is opered as %s, privset %s",
72ad5c04 AC	331	target_p->localClient->opername, target_p->localClient->privset->name);
	332	sendto_one_numeric(source_p, RPL_WHOISSPECIAL, form_str(RPL_WHOISSPECIAL),
	333	target_p->name, buf);
	334	}
	335
af7aaa84	336	if(IsSSLClient(target_p))
427a8d5d AC	337	{
	338	char cbuf[256] = "is using a secure connection";
	339
	340	if (MyClient(target_p) && target_p->localClient->cipher_string != NULL)
	341	rb_snprintf_append(cbuf, sizeof(cbuf), " [%s]", target_p->localClient->cipher_string);
	342
af7aaa84	343	sendto_one_numeric(source_p, RPL_WHOISSECURE, form_str(RPL_WHOISSECURE),
427a8d5d AC	344	target_p->name, cbuf);
	345	if((source_p == target_p \|\| IsOper(source_p)) &&
	346	target_p->certfp != NULL)
	347	sendto_one_numeric(source_p, RPL_WHOISCERTFP,
	348	form_str(RPL_WHOISCERTFP),
	349	target_p->name, target_p->certfp);
	350	}
af7aaa84	351
212380e3 AC	352	if(MyClient(target_p))
	353	{
	354	if (IsDynSpoof(target_p) && (IsOper(source_p) \|\| source_p == target_p))
	355	{
	356	/* trick here: show a nonoper their own IP if
	357	* dynamic spoofed but not if auth{} spoofed
	358	* -- jilles */
	359	ClearDynSpoof(target_p);
	360	sendto_one_numeric(source_p, RPL_WHOISHOST,
	361	form_str(RPL_WHOISHOST),
	362	target_p->name, target_p->orighost,
	363	show_ip(source_p, target_p) ? target_p->sockhost : "255.255.255.255");
	364	SetDynSpoof(target_p);
	365	}
	366	else if(ConfigFileEntry.use_whois_actually && show_ip(source_p, target_p))
	367	sendto_one_numeric(source_p, RPL_WHOISACTUALLY,
	368	form_str(RPL_WHOISACTUALLY),
	369	target_p->name, target_p->sockhost);
	370
ae52fe0f JT	371	#ifdef RB_IPV6
	372	if (target_p->localClient->ip.ss_family == AF_INET6 &&
	373	(show_ip(source_p, target_p) \|\|
	374	(source_p == target_p && !IsIPSpoof(target_p))) &&
	375	ipv4_from_ipv6((struct sockaddr_in6 *)&target_p->localClient->ip, &ip4))
	376	{
	377	rb_inet_ntop_sock((struct sockaddr *)&ip4,
	378	buf, sizeof buf);
	379	sendto_one_numeric(source_p, RPL_WHOISTEXT,
	380	"%s :Underlying IPv4 is %s",
	381	target_p->name, buf);
	382	}
	383	#endif /* RB_IPV6 */
	384
212380e3	385	sendto_one_numeric(source_p, RPL_WHOISIDLE, form_str(RPL_WHOISIDLE),
55abcbb2 KB	386	target_p->name,
55abcbb2 KB	387	(long)(rb_current_time() - target_p->localClient->last),
77910830	388	(unsigned long)target_p->localClient->firsttime);
212380e3 AC	389	}
	390	else
	391	{
	392	if (IsDynSpoof(target_p) && (IsOper(source_p) \|\| source_p == target_p))
	393	{
	394	ClearDynSpoof(target_p);
	395	sendto_one_numeric(source_p, RPL_WHOISHOST,
	396	form_str(RPL_WHOISHOST),
	397	target_p->name, target_p->orighost,
	398	show_ip(source_p, target_p) && !EmptyString(target_p->sockhost) && strcmp(target_p->sockhost, "0")? target_p->sockhost : "255.255.255.255");
	399	SetDynSpoof(target_p);
	400	}
	401	else if(ConfigFileEntry.use_whois_actually && show_ip(source_p, target_p) &&
	402	!EmptyString(target_p->sockhost) && strcmp(target_p->sockhost, "0"))
	403	{
	404	sendto_one_numeric(source_p, RPL_WHOISACTUALLY,
	405	form_str(RPL_WHOISACTUALLY),
	406	target_p->name, target_p->sockhost);
55abcbb2	407
212380e3	408	}
212380e3 AC	409	}
212380e3 AC	410
212380e3 AC	411	/* doing_whois_hook must only be called for local clients,
	412	* doing_whois_global_hook must only be called for local targets
	413	*/
	414	/* it is important that these are called before RPL_ENDOFWHOIS is
	415	* sent, services compatibility code depends on it. --anfl
	416	*/
	417	if(MyClient(source_p))
	418	call_hook(doing_whois_hook, &hdata);
	419	else
	420	call_hook(doing_whois_global_hook, &hdata);
	421
	422	return;
	423	}