trunk/modules/m_whois.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_whois.c: Shows who a user is.
 *
 *  Copyright (C) 2005 by the past and present ircd coders, and others.
 *
 *  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
 *
 *  $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "client.h"
#include "hash.h"
#include "channel.h"
#include "channel_mode.h"
#include "ircd.h"
#include "numeric.h"
#include "conf.h"
#include "s_misc.h"
#include "s_serv.h"
#include "send.h"
#include "irc_string.h"
#include "parse.h"
#include "modules.h"


/* whois_person()
 *
 * inputs       - source_p client to report to
 *              - target_p client to report on
 * output       - NONE
 * side effects - 
 */
static void
whois_person(struct Client *source_p, struct Client *target_p)
{
  char buf[IRCD_BUFSIZE] = { '\0' };
  const dlink_node *lp = NULL;
  char *t = NULL;
  int cur_len = 0;
  int show_ip = 0;
  int mlen = 0;
  int tlen = 0;
  int reply_to_send = 0;

  sendto_one(source_p, form_str(RPL_WHOISUSER), me.name,
             source_p->name, target_p->name,
             target_p->username, target_p->host, target_p->info);

  cur_len = mlen = snprintf(buf, sizeof(buf), form_str(RPL_WHOISCHANNELS),
                            me.name, source_p->name, target_p->name, "");
  t = buf + mlen;

  DLINK_FOREACH(lp, target_p->channel.head)
  {
    const struct Membership *ms = lp->data;

    if (ShowChannel(source_p, ms->chptr))
    {
      if ((cur_len + 3 + strlen(ms->chptr->chname) + 1) > (IRCD_BUFSIZE - 2))
      {
        *(t - 1) = '\0';
        sendto_one(source_p, "%s", buf);
        cur_len = mlen;
        t = buf + mlen;
      }

      tlen = sprintf(t, "%s%s ", get_member_status(ms, 1), ms->chptr->chname);
      t += tlen;
      cur_len += tlen;
      reply_to_send = 1;
    }
  }

  if (reply_to_send)
  {
    *(t - 1) = '\0';
    sendto_one(source_p, "%s", buf);
  }

  if (HasUMode(source_p, UMODE_OPER) || !ConfigServerHide.hide_servers || target_p == source_p)
    sendto_one(source_p, form_str(RPL_WHOISSERVER),
               me.name, source_p->name, target_p->name,
               target_p->servptr->name, target_p->servptr->info);
  else
    sendto_one(source_p, form_str(RPL_WHOISSERVER),
               me.name, source_p->name, target_p->name,
               ConfigServerHide.hidden_name,
               ServerInfo.network_desc);

  if (HasUMode(target_p, UMODE_REGISTERED))
    sendto_one(source_p, form_str(RPL_WHOISREGNICK),
               me.name, source_p->name, target_p->name);

  if (target_p->away[0])
    sendto_one(source_p, form_str(RPL_AWAY),
               me.name, source_p->name, target_p->name,
               target_p->away);

  if (HasUMode(target_p, UMODE_CALLERID) && !HasUMode(target_p, UMODE_SOFTCALLERID))
    sendto_one(source_p, form_str(RPL_TARGUMODEG),
               me.name, source_p->name, target_p->name);

  if (HasUMode(target_p, UMODE_OPER))
    if (!HasUMode(target_p, UMODE_HIDDEN) || HasUMode(source_p, UMODE_OPER))
      sendto_one(source_p, form_str(HasUMode(target_p, UMODE_ADMIN) ? RPL_WHOISADMIN :
                 RPL_WHOISOPERATOR),
                 me.name, source_p->name, target_p->name);

  if (target_p->sockhost[0] && strcmp(target_p->sockhost, "0"))
  {
    if (HasUMode(source_p, UMODE_ADMIN) || source_p == target_p)
      show_ip = 1;
    else if (IsIPSpoof(target_p))
      show_ip = (HasUMode(source_p, UMODE_OPER) && !ConfigFileEntry.hide_spoof_ips);
    else
      show_ip = 1;

    sendto_one(source_p, form_str(RPL_WHOISACTUALLY),
               me.name, source_p->name, target_p->name,
               show_ip ? target_p->sockhost : "255.255.255.255");
  }

  if (MyConnect(target_p))
  {
#ifdef HAVE_LIBCRYPTO
    if (target_p->localClient->fd.ssl)
      sendto_one(source_p, form_str(RPL_WHOISSECURE),
                 me.name, source_p->name, target_p->name);
#endif
    sendto_one(source_p, form_str(RPL_WHOISIDLE),
               me.name, source_p->name, target_p->name,
               idle_time_get(source_p, target_p),
               target_p->localClient->firsttime);

    if (HasUMode(target_p, UMODE_OPER) && target_p != source_p)
      if (HasUMode(target_p, UMODE_SPY))
        sendto_one(target_p, ":%s NOTICE %s :*** Notice -- %s (%s@%s) [%s] is doing "
                   "a whois on you", me.name, target_p->name, source_p->name,
                   source_p->username, source_p->host, source_p->servptr->name);
  }
}

/* do_whois()
 *
 * inputs       - pointer to /whois source
 *              - number of parameters
 *              - pointer to parameters array
 * output       - pointer to void
 * side effects - Does whois
 */
static void
do_whois(struct Client *source_p, int parc, char *parv[])
{
  struct Client *target_p = NULL;
  char *nick = parv[1];
  char *p = NULL;

  if ((p = strchr(nick, ',')) != NULL)
    *p = '\0';
  if (*nick == '\0')
    return;

  if ((target_p = hash_find_client(nick)) && IsClient(target_p))
    whois_person(source_p, target_p);
  else  if (!IsDigit(*nick))
    sendto_one(source_p, form_str(ERR_NOSUCHNICK),
               me.name, source_p->name, nick);

  sendto_one(source_p, form_str(RPL_ENDOFWHOIS),
             me.name, source_p->name, nick);
}

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

  if (parc < 2 || EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
               me.name, source_p->name);
    return;
  }

  if (parc > 2 && !EmptyString(parv[2]))
  {
    /* seeing as this is going across servers, we should limit it */
    if ((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime)
    {
      sendto_one(source_p, form_str(RPL_LOAD2HI),
                 me.name, source_p->name);
      return;
    }

    last_used = CurrentTime;

    /*
     * if we have serverhide enabled, they can either ask the clients
     * server, or our server.. I dont see why they would need to ask
     * anything else for info about the client.. --fl_
     */
    if (ConfigFileEntry.disable_remote)
      parv[1] = parv[2];

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

    parv[1] = parv[2];
  }

  do_whois(source_p, parc, parv);
}

/*
** mo_whois
**      parv[0] = sender prefix
**      parv[1] = nickname masklist
*/
static void
mo_whois(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  if (parc < 2 || EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
               me.name, source_p->name);
    return;
  }

  if (parc > 2 && !EmptyString(parv[2]))
  {
    if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1,
                    parc, parv) != HUNTED_ISME)
      return;

    parv[1] = parv[2];
  }

  do_whois(source_p, parc, parv);
}

static struct Message whois_msgtab = {
  "WHOIS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_whois, mo_whois, m_ignore, mo_whois, m_ignore }
};

static void
module_init(void)
{
  mod_add_cmd(&whois_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&whois_msgtab);
}

struct module module_entry = {
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	1997
Committed:	Sat May 11 17:35:07 2013 UTC (13 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	8077 byte(s)
Log Message:	- Mostly style cleanups & whitespace changes
#	Content
1	/*
2	* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	* m_whois.c: Shows who a user is.
4	*
5	* Copyright (C) 2005 by the past and present ircd coders, and others.
6	*
7	* This program is free software; you can redistribute it and/or modify
8	* it under the terms of the GNU General Public License as published by
9	* the Free Software Foundation; either version 2 of the License, or
10	* (at your option) any later version.
11	*
12	* This program is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with this program; if not, write to the Free Software
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20	* USA
21	*
22	* $Id$
23	*/
24
25	#include "stdinc.h"
26	#include "list.h"
27	#include "client.h"
28	#include "hash.h"
29	#include "channel.h"
30	#include "channel_mode.h"
31	#include "ircd.h"
32	#include "numeric.h"
33	#include "conf.h"
34	#include "s_misc.h"
35	#include "s_serv.h"
36	#include "send.h"
37	#include "irc_string.h"
38	#include "parse.h"
39	#include "modules.h"
40
41
42	/* whois_person()
43	*
44	* inputs - source_p client to report to
45	* - target_p client to report on
46	* output - NONE
47	* side effects -
48	*/
49	static void
50	whois_person(struct Client source_p, struct Client target_p)
51	{
52	char buf[IRCD_BUFSIZE] = { '\0' };
53	const dlink_node *lp = NULL;
54	char *t = NULL;
55	int cur_len = 0;
56	int show_ip = 0;
57	int mlen = 0;
58	int tlen = 0;
59	int reply_to_send = 0;
60
61	sendto_one(source_p, form_str(RPL_WHOISUSER), me.name,
62	source_p->name, target_p->name,
63	target_p->username, target_p->host, target_p->info);
64
65	cur_len = mlen = snprintf(buf, sizeof(buf), form_str(RPL_WHOISCHANNELS),
66	me.name, source_p->name, target_p->name, "");
67	t = buf + mlen;
68
69	DLINK_FOREACH(lp, target_p->channel.head)
70	{
71	const struct Membership *ms = lp->data;
72
73	if (ShowChannel(source_p, ms->chptr))
74	{
75	if ((cur_len + 3 + strlen(ms->chptr->chname) + 1) > (IRCD_BUFSIZE - 2))
76	{
77	*(t - 1) = '\0';
78	sendto_one(source_p, "%s", buf);
79	cur_len = mlen;
80	t = buf + mlen;
81	}
82
83	tlen = sprintf(t, "%s%s ", get_member_status(ms, 1), ms->chptr->chname);
84	t += tlen;
85	cur_len += tlen;
86	reply_to_send = 1;
87	}
88	}
89
90	if (reply_to_send)
91	{
92	*(t - 1) = '\0';
93	sendto_one(source_p, "%s", buf);
94	}
95
96	if (HasUMode(source_p, UMODE_OPER) \|\| !ConfigServerHide.hide_servers \|\| target_p == source_p)
97	sendto_one(source_p, form_str(RPL_WHOISSERVER),
98	me.name, source_p->name, target_p->name,
99	target_p->servptr->name, target_p->servptr->info);
100	else
101	sendto_one(source_p, form_str(RPL_WHOISSERVER),
102	me.name, source_p->name, target_p->name,
103	ConfigServerHide.hidden_name,
104	ServerInfo.network_desc);
105
106	if (HasUMode(target_p, UMODE_REGISTERED))
107	sendto_one(source_p, form_str(RPL_WHOISREGNICK),
108	me.name, source_p->name, target_p->name);
109
110	if (target_p->away[0])
111	sendto_one(source_p, form_str(RPL_AWAY),
112	me.name, source_p->name, target_p->name,
113	target_p->away);
114
115	if (HasUMode(target_p, UMODE_CALLERID) && !HasUMode(target_p, UMODE_SOFTCALLERID))
116	sendto_one(source_p, form_str(RPL_TARGUMODEG),
117	me.name, source_p->name, target_p->name);
118
119	if (HasUMode(target_p, UMODE_OPER))
120	if (!HasUMode(target_p, UMODE_HIDDEN) \|\| HasUMode(source_p, UMODE_OPER))
121	sendto_one(source_p, form_str(HasUMode(target_p, UMODE_ADMIN) ? RPL_WHOISADMIN :
122	RPL_WHOISOPERATOR),
123	me.name, source_p->name, target_p->name);
124
125	if (target_p->sockhost[0] && strcmp(target_p->sockhost, "0"))
126	{
127	if (HasUMode(source_p, UMODE_ADMIN) \|\| source_p == target_p)
128	show_ip = 1;
129	else if (IsIPSpoof(target_p))
130	show_ip = (HasUMode(source_p, UMODE_OPER) && !ConfigFileEntry.hide_spoof_ips);
131	else
132	show_ip = 1;
133
134	sendto_one(source_p, form_str(RPL_WHOISACTUALLY),
135	me.name, source_p->name, target_p->name,
136	show_ip ? target_p->sockhost : "255.255.255.255");
137	}
138
139	if (MyConnect(target_p))
140	{
141	#ifdef HAVE_LIBCRYPTO
142	if (target_p->localClient->fd.ssl)
143	sendto_one(source_p, form_str(RPL_WHOISSECURE),
144	me.name, source_p->name, target_p->name);
145	#endif
146	sendto_one(source_p, form_str(RPL_WHOISIDLE),
147	me.name, source_p->name, target_p->name,
148	idle_time_get(source_p, target_p),
149	target_p->localClient->firsttime);
150
151	if (HasUMode(target_p, UMODE_OPER) && target_p != source_p)
152	if (HasUMode(target_p, UMODE_SPY))
153	sendto_one(target_p, ":%s NOTICE %s :*** Notice -- %s (%s@%s) [%s] is doing "
154	"a whois on you", me.name, target_p->name, source_p->name,
155	source_p->username, source_p->host, source_p->servptr->name);
156	}
157	}
158
159	/* do_whois()
160	*
161	* inputs - pointer to /whois source
162	* - number of parameters
163	* - pointer to parameters array
164	* output - pointer to void
165	* side effects - Does whois
166	*/
167	static void
168	do_whois(struct Client source_p, int parc, char parv[])
169	{
170	struct Client *target_p = NULL;
171	char *nick = parv[1];
172	char *p = NULL;
173
174	if ((p = strchr(nick, ',')) != NULL)
175	*p = '\0';
176	if (*nick == '\0')
177	return;
178
179	if ((target_p = hash_find_client(nick)) && IsClient(target_p))
180	whois_person(source_p, target_p);
181	else if (!IsDigit(*nick))
182	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
183	me.name, source_p->name, nick);
184
185	sendto_one(source_p, form_str(RPL_ENDOFWHOIS),
186	me.name, source_p->name, nick);
187	}
188
189	/*
190	** m_whois
191	** parv[0] = sender prefix
192	** parv[1] = nickname masklist
193	*/
194	static void
195	m_whois(struct Client client_p, struct Client source_p,
196	int parc, char *parv[])
197	{
198	static time_t last_used = 0;
199
200	if (parc < 2 \|\| EmptyString(parv[1]))
201	{
202	sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
203	me.name, source_p->name);
204	return;
205	}
206
207	if (parc > 2 && !EmptyString(parv[2]))
208	{
209	/* seeing as this is going across servers, we should limit it */
210	if ((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime)
211	{
212	sendto_one(source_p, form_str(RPL_LOAD2HI),
213	me.name, source_p->name);
214	return;
215	}
216
217	last_used = CurrentTime;
218
219	/*
220	* if we have serverhide enabled, they can either ask the clients
221	* server, or our server.. I dont see why they would need to ask
222	* anything else for info about the client.. --fl_
223	*/
224	if (ConfigFileEntry.disable_remote)
225	parv[1] = parv[2];
226
227	if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1,
228	parc, parv) != HUNTED_ISME)
229	return;
230
231	parv[1] = parv[2];
232	}
233
234	do_whois(source_p, parc, parv);
235	}
236
237	/*
238	** mo_whois
239	** parv[0] = sender prefix
240	** parv[1] = nickname masklist
241	*/
242	static void
243	mo_whois(struct Client client_p, struct Client source_p,
244	int parc, char *parv[])
245	{
246	if (parc < 2 \|\| EmptyString(parv[1]))
247	{
248	sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
249	me.name, source_p->name);
250	return;
251	}
252
253	if (parc > 2 && !EmptyString(parv[2]))
254	{
255	if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1,
256	parc, parv) != HUNTED_ISME)
257	return;
258
259	parv[1] = parv[2];
260	}
261
262	do_whois(source_p, parc, parv);
263	}
264
265	static struct Message whois_msgtab = {
266	"WHOIS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
267	{ m_unregistered, m_whois, mo_whois, m_ignore, mo_whois, m_ignore }
268	};
269
270	static void
271	module_init(void)
272	{
273	mod_add_cmd(&whois_msgtab);
274	}
275
276	static void
277	module_exit(void)
278	{
279	mod_del_cmd(&whois_msgtab);
280	}
281
282	struct module module_entry = {
283	.node = { NULL, NULL, NULL },
284	.name = NULL,
285	.version = "$Revision$",
286	.handle = NULL,
287	.modinit = module_init,
288	.modexit = module_exit,
289	.flags = 0
290	};