8.1.x/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;
    int show = ShowChannel(source_p, ms->chptr);

    if (show || HasUMode(source_p, UMODE_ADMIN))
    {
      if ((cur_len + 4 + 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%s ", show ? "" : "~", 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 (!IsDigit(target_p->svid[0]))
    sendto_one(source_p, form_str(RPL_WHOISACCOUNT),
               me.name, source_p->name, target_p->name,
               target_p->svid);

  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 (HasUMode(target_p, UMODE_WEBIRC))
    sendto_one(source_p, form_str(RPL_WHOISTEXT),
               me.name, source_p->name, target_p->name,
               "User connected using a webirc gateway");

  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 (HasUMode(target_p, UMODE_SSL))
    sendto_one(source_p, form_str(RPL_WHOISSECURE), me.name,
               source_p->name, target_p->name);

  if (!EmptyString(target_p->certfp))
    if (target_p == source_p || HasUMode(source_p, UMODE_OPER))
      sendto_one(source_p, form_str(RPL_WHOISCERTFP), me.name,
                 source_p->name, target_p->name, target_p->certfp);

  if (MyConnect(target_p))
  {
    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, const char *name)
{
  struct Client *target_p = NULL;

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

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

/*
** 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 (ConfigServerHide.disable_remote_commands)
      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, parv[1]);
}

/*
** 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, parv[1]);
}

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:	2512
Committed:	Sun Oct 27 18:59:49 2013 UTC (11 years, 10 months ago) by michael
Content type:	text/x-csrc
File size:	8663 byte(s)
Log Message:	- Added usermode +W. Users connected via a webirc gateway get this mode set by servers. - /WHOIS now shows whether a client is connected via a webirc gateway
#	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	int show = ShowChannel(source_p, ms->chptr);
73
74	if (show \|\| HasUMode(source_p, UMODE_ADMIN))
75	{
76	if ((cur_len + 4 + strlen(ms->chptr->chname) + 1) > (IRCD_BUFSIZE - 2))
77	{
78	*(t - 1) = '\0';
79	sendto_one(source_p, "%s", buf);
80	cur_len = mlen;
81	t = buf + mlen;
82	}
83
84	tlen = sprintf(t, "%s%s%s ", show ? "" : "~", get_member_status(ms, 1),
85	ms->chptr->chname);
86	t += tlen;
87	cur_len += tlen;
88	reply_to_send = 1;
89	}
90	}
91
92	if (reply_to_send)
93	{
94	*(t - 1) = '\0';
95	sendto_one(source_p, "%s", buf);
96	}
97
98	if (HasUMode(source_p, UMODE_OPER) \|\| !ConfigServerHide.hide_servers \|\| target_p == source_p)
99	sendto_one(source_p, form_str(RPL_WHOISSERVER),
100	me.name, source_p->name, target_p->name,
101	target_p->servptr->name, target_p->servptr->info);
102	else
103	sendto_one(source_p, form_str(RPL_WHOISSERVER),
104	me.name, source_p->name, target_p->name,
105	ConfigServerHide.hidden_name,
106	ServerInfo.network_desc);
107
108	if (HasUMode(target_p, UMODE_REGISTERED))
109	sendto_one(source_p, form_str(RPL_WHOISREGNICK),
110	me.name, source_p->name, target_p->name);
111
112	if (!IsDigit(target_p->svid[0]))
113	sendto_one(source_p, form_str(RPL_WHOISACCOUNT),
114	me.name, source_p->name, target_p->name,
115	target_p->svid);
116
117	if (target_p->away[0])
118	sendto_one(source_p, form_str(RPL_AWAY),
119	me.name, source_p->name, target_p->name,
120	target_p->away);
121
122	if (HasUMode(target_p, UMODE_CALLERID) && !HasUMode(target_p, UMODE_SOFTCALLERID))
123	sendto_one(source_p, form_str(RPL_TARGUMODEG),
124	me.name, source_p->name, target_p->name);
125
126	if (HasUMode(target_p, UMODE_OPER))
127	if (!HasUMode(target_p, UMODE_HIDDEN) \|\| HasUMode(source_p, UMODE_OPER))
128	sendto_one(source_p, form_str(HasUMode(target_p, UMODE_ADMIN) ? RPL_WHOISADMIN :
129	RPL_WHOISOPERATOR),
130	me.name, source_p->name, target_p->name);
131
132	if (HasUMode(target_p, UMODE_WEBIRC))
133	sendto_one(source_p, form_str(RPL_WHOISTEXT),
134	me.name, source_p->name, target_p->name,
135	"User connected using a webirc gateway");
136
137	if (target_p->sockhost[0] && strcmp(target_p->sockhost, "0"))
138	{
139	if (HasUMode(source_p, UMODE_ADMIN) \|\| source_p == target_p)
140	show_ip = 1;
141	else if (IsIPSpoof(target_p))
142	show_ip = (HasUMode(source_p, UMODE_OPER) && !ConfigFileEntry.hide_spoof_ips);
143	else
144	show_ip = 1;
145
146	sendto_one(source_p, form_str(RPL_WHOISACTUALLY),
147	me.name, source_p->name, target_p->name,
148	show_ip ? target_p->sockhost : "255.255.255.255");
149	}
150
151	if (HasUMode(target_p, UMODE_SSL))
152	sendto_one(source_p, form_str(RPL_WHOISSECURE), me.name,
153	source_p->name, target_p->name);
154
155	if (!EmptyString(target_p->certfp))
156	if (target_p == source_p \|\| HasUMode(source_p, UMODE_OPER))
157	sendto_one(source_p, form_str(RPL_WHOISCERTFP), me.name,
158	source_p->name, target_p->name, target_p->certfp);
159
160	if (MyConnect(target_p))
161	{
162	sendto_one(source_p, form_str(RPL_WHOISIDLE),
163	me.name, source_p->name, target_p->name,
164	idle_time_get(source_p, target_p),
165	target_p->localClient->firsttime);
166
167	if (HasUMode(target_p, UMODE_OPER) && target_p != source_p)
168	if (HasUMode(target_p, UMODE_SPY))
169	sendto_one(target_p, ":%s NOTICE %s :*** Notice -- %s (%s@%s) [%s] is doing "
170	"a whois on you", me.name, target_p->name, source_p->name,
171	source_p->username, source_p->host, source_p->servptr->name);
172	}
173	}
174
175	/* do_whois()
176	*
177	* inputs - pointer to /whois source
178	* - number of parameters
179	* - pointer to parameters array
180	* output - pointer to void
181	* side effects - Does whois
182	*/
183	static void
184	do_whois(struct Client source_p, const char name)
185	{
186	struct Client *target_p = NULL;
187
188	if ((target_p = hash_find_client(name)) && IsClient(target_p))
189	whois_person(source_p, target_p);
190	else if (!IsDigit(*name))
191	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
192	me.name, source_p->name, name);
193
194	sendto_one(source_p, form_str(RPL_ENDOFWHOIS),
195	me.name, source_p->name, name);
196	}
197
198	/*
199	** m_whois
200	** parv[0] = sender prefix
201	** parv[1] = nickname masklist
202	*/
203	static void
204	m_whois(struct Client client_p, struct Client source_p,
205	int parc, char *parv[])
206	{
207	static time_t last_used = 0;
208
209	if (parc < 2 \|\| EmptyString(parv[1]))
210	{
211	sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
212	me.name, source_p->name);
213	return;
214	}
215
216	if (parc > 2 && !EmptyString(parv[2]))
217	{
218	/* seeing as this is going across servers, we should limit it */
219	if ((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime)
220	{
221	sendto_one(source_p, form_str(RPL_LOAD2HI),
222	me.name, source_p->name);
223	return;
224	}
225
226	last_used = CurrentTime;
227
228	/*
229	* if we have serverhide enabled, they can either ask the clients
230	* server, or our server.. I dont see why they would need to ask
231	* anything else for info about the client.. --fl_
232	*/
233	if (ConfigServerHide.disable_remote_commands)
234	parv[1] = parv[2];
235
236	if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1,
237	parc, parv) != HUNTED_ISME)
238	return;
239
240	parv[1] = parv[2];
241	}
242
243	do_whois(source_p, parv[1]);
244	}
245
246	/*
247	** mo_whois
248	** parv[0] = sender prefix
249	** parv[1] = nickname masklist
250	*/
251	static void
252	mo_whois(struct Client client_p, struct Client source_p,
253	int parc, char *parv[])
254	{
255	if (parc < 2 \|\| EmptyString(parv[1]))
256	{
257	sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
258	me.name, source_p->name);
259	return;
260	}
261
262	if (parc > 2 && !EmptyString(parv[2]))
263	{
264	if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1,
265	parc, parv) != HUNTED_ISME)
266	return;
267
268	parv[1] = parv[2];
269	}
270
271	do_whois(source_p, parv[1]);
272	}
273
274	static struct Message whois_msgtab = {
275	"WHOIS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
276	{ m_unregistered, m_whois, mo_whois, m_ignore, mo_whois, m_ignore }
277	};
278
279	static void
280	module_init(void)
281	{
282	mod_add_cmd(&whois_msgtab);
283	}
284
285	static void
286	module_exit(void)
287	{
288	mod_del_cmd(&whois_msgtab);
289	}
290
291	struct module module_entry = {
292	.node = { NULL, NULL, NULL },
293	.name = NULL,
294	.version = "$Revision$",
295	.handle = NULL,
296	.modinit = module_init,
297	.modexit = module_exit,
298	.flags = 0
299	};