trunk/modules/m_etrace.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_etrace.c: Traces a path to a client/server.
 *
 *  Copyright (C) 2002 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 "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "s_serv.h"
#include "send.h"
#include "parse.h"
#include "modules.h"
#include "conf.h"
#include "conf_class.h"


static void report_this_status(struct Client *, struct Client *, int);

/*
 * do_etrace()
 */
static void
do_etrace(struct Client *source_p, int parc, char *parv[])
{
  const char *tname = NULL;
  struct Client *target_p = NULL;
  int wilds = 0;
  int do_all = 0;
  int full_etrace = 0;
  dlink_node *ptr;

  sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
                       "ETRACE requested by %s (%s@%s) [%s]",
                       source_p->name, source_p->username,
                       source_p->host, source_p->servptr->name);

  if (parc > 1)
  {
    if (irccmp(parv[1], "-full") == 0)
    {
      ++parv;
      --parc;
      full_etrace = 1;
    }
  }

  if (parc > 1)
  {
    tname = parv[1];

    if (tname != NULL)
      wilds = has_wildcards(tname);
    else
      tname = "*";
  }
  else
  {
    do_all = 1;
    tname = "*";
  }

  if (HasUMode(source_p, UMODE_CCONN_FULL))
    full_etrace = 1;

  if (!wilds && !do_all)
  {
    target_p = hash_find_client(tname);

    if (target_p && MyClient(target_p))
      report_this_status(source_p, target_p, full_etrace);
      
    sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name, 
               source_p->name, tname);
    return;
  }

  DLINK_FOREACH(ptr, local_client_list.head)
  {
    target_p = ptr->data;

    if (wilds)
    {
      if (!match(tname, target_p->name))
        report_this_status(source_p, target_p, full_etrace);
    }
    else
      report_this_status(source_p, target_p, full_etrace);
  }

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

/* mo_etrace()
 *      parv[0] = sender prefix
 *      parv[1] = servername
 */
static void
mo_etrace(struct Client *client_p, struct Client *source_p,
          int parc, char *parv[])
{
  do_etrace(source_p, parc, parv);
}

/* report_this_status()
 *
 * inputs       - pointer to client to report to
 *              - pointer to client to report about
 *              - flag full etrace or not
 * output       - NONE
 * side effects - NONE
 */
static void
report_this_status(struct Client *source_p, struct Client *target_p,
                   int full_etrace)
{
  if (target_p->status == STAT_CLIENT)
  {
    if (full_etrace)
    {
      if (ConfigFileEntry.hide_spoof_ips)
        sendto_one(source_p, form_str(RPL_ETRACE_FULL),
                   me.name,
                   source_p->name,
                   HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
                   get_client_class(&target_p->localClient->confs),
                   target_p->name,
                   target_p->username,
                   target_p->host,
                   IsIPSpoof(target_p) ? "255.255.255.255" : target_p->sockhost,
                   IsIPSpoof(target_p) ? "<hidden>" : target_p->localClient->client_host,
                   IsIPSpoof(target_p) ? "<hidden>" : target_p->localClient->client_server,
                   target_p->info);
      else
        sendto_one(source_p, form_str(RPL_ETRACE_FULL),
                   me.name,
                   source_p->name, 
                   HasUMode(target_p, UMODE_OPER) ? "Oper" : "User", 
                   get_client_class(&target_p->localClient->confs),
                   target_p->name,
                   target_p->username,
                   target_p->host,
                   target_p->sockhost,
                   target_p->localClient->client_host,
                   target_p->localClient->client_server,
                   target_p->info);
    }
    else
    {
      if (ConfigFileEntry.hide_spoof_ips)
        sendto_one(source_p, form_str(RPL_ETRACE),
                   me.name,
                   source_p->name,
                   HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
                   get_client_class(&target_p->localClient->confs),
                   target_p->name,
                   target_p->username,
                   target_p->host,
                   IsIPSpoof(target_p) ? "255.255.255.255" : target_p->sockhost,
                   target_p->info);
      else
        sendto_one(source_p, form_str(RPL_ETRACE),
                   me.name,
                   source_p->name, 
                   HasUMode(target_p, UMODE_OPER) ? "Oper" : "User", 
                   get_client_class(&target_p->localClient->confs),
                   target_p->name,
                   target_p->username,
                   target_p->host,
                   target_p->sockhost,
                   target_p->info);
    }
  }
}

static struct Message etrace_msgtab = {
  "ETRACE", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
  {m_unregistered, m_not_oper, m_ignore, m_ignore, mo_etrace, m_ignore}
};

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

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

struct module module_entry = {
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	1834
Committed:	Fri Apr 19 19:50:27 2013 UTC (12 years, 4 months ago) by michael
Content type:	text/x-csrc
File size:	5614 byte(s)
Log Message:	- Revert to -r1831
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_etrace.c: Traces a path to a client/server.
4			*
5			* Copyright (C) 2002 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	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26	michael	1011	#include "list.h"
27	adx	30	#include "client.h"
28			#include "hash.h"
29			#include "irc_string.h"
30			#include "ircd.h"
31			#include "numeric.h"
32			#include "fdlist.h"
33			#include "s_bsd.h"
34			#include "s_serv.h"
35			#include "send.h"
36			#include "parse.h"
37			#include "modules.h"
38	michael	1309	#include "conf.h"
39	michael	1632	#include "conf_class.h"
40	adx	30
41
42	db	849	static void report_this_status(struct Client , struct Client , int);
43	adx	30
44			/*
45			* do_etrace()
46			*/
47			static void
48	michael	1144	do_etrace(struct Client source_p, int parc, char parv[])
49	adx	30	{
50			const char *tname = NULL;
51			struct Client *target_p = NULL;
52			int wilds = 0;
53			int do_all = 0;
54	db	849	int full_etrace = 0;
55	adx	30	dlink_node *ptr;
56
57	michael	1618	sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
58	michael	1144	"ETRACE requested by %s (%s@%s) [%s]",
59			source_p->name, source_p->username,
60			source_p->host, source_p->servptr->name);
61
62	db	849	if (parc > 1)
63	adx	30	{
64	db	849	if (irccmp(parv[1], "-full") == 0)
65			{
66	michael	1169	++parv;
67			--parc;
68	db	849	full_etrace = 1;
69			}
70			}
71
72			if (parc > 1)
73			{
74	adx	30	tname = parv[1];
75	db	849
76	adx	30	if (tname != NULL)
77	michael	1400	wilds = has_wildcards(tname);
78	adx	30	else
79			tname = "*";
80			}
81			else
82			{
83			do_all = 1;
84			tname = "*";
85			}
86
87	michael	1219	if (HasUMode(source_p, UMODE_CCONN_FULL))
88	db	856	full_etrace = 1;
89
90	adx	30	if (!wilds && !do_all)
91			{
92	michael	1169	target_p = hash_find_client(tname);
93	adx	30
94			if (target_p && MyClient(target_p))
95	db	849	report_this_status(source_p, target_p, full_etrace);
96	adx	30
97	michael	1834	sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
98	michael	891	source_p->name, tname);
99	adx	30	return;
100			}
101
102			DLINK_FOREACH(ptr, local_client_list.head)
103			{
104			target_p = ptr->data;
105
106			if (wilds)
107			{
108	michael	1652	if (!match(tname, target_p->name))
109	michael	891	report_this_status(source_p, target_p, full_etrace);
110	adx	30	}
111			else
112	db	849	report_this_status(source_p, target_p, full_etrace);
113	adx	30	}
114
115	michael	1834	sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
116	michael	891	source_p->name, tname);
117	adx	30	}
118
119			/* mo_etrace()
120			* parv[0] = sender prefix
121			* parv[1] = servername
122			*/
123			static void
124			mo_etrace(struct Client client_p, struct Client source_p,
125	michael	1114	int parc, char *parv[])
126	adx	30	{
127	michael	1144	do_etrace(source_p, parc, parv);
128	adx	30	}
129
130			/* report_this_status()
131			*
132			* inputs - pointer to client to report to
133			* - pointer to client to report about
134	db	849	* - flag full etrace or not
135	adx	30	* output - NONE
136			* side effects - NONE
137			*/
138			static void
139	db	849	report_this_status(struct Client source_p, struct Client target_p,
140	michael	1114	int full_etrace)
141	adx	30	{
142			if (target_p->status == STAT_CLIENT)
143			{
144	db	849	if (full_etrace)
145			{
146			if (ConfigFileEntry.hide_spoof_ips)
147	michael	1834	sendto_one(source_p, form_str(RPL_ETRACE_FULL),
148	db	849	me.name,
149			source_p->name,
150	michael	1219	HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
151	michael	1676	get_client_class(&target_p->localClient->confs),
152	db	849	target_p->name,
153			target_p->username,
154	db	856	target_p->host,
155	michael	891	IsIPSpoof(target_p) ? "255.255.255.255" : target_p->sockhost,
156	michael	1113	IsIPSpoof(target_p) ? "<hidden>" : target_p->localClient->client_host,
157			IsIPSpoof(target_p) ? "<hidden>" : target_p->localClient->client_server,
158	db	849	target_p->info);
159			else
160	michael	1834	sendto_one(source_p, form_str(RPL_ETRACE_FULL),
161	db	849	me.name,
162			source_p->name,
163	michael	1219	HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
164	michael	1676	get_client_class(&target_p->localClient->confs),
165	db	849	target_p->name,
166			target_p->username,
167	db	856	target_p->host,
168	michael	891	target_p->sockhost,
169	michael	1113	target_p->localClient->client_host,
170			target_p->localClient->client_server,
171	db	849	target_p->info);
172			}
173	adx	30	else
174	db	849	{
175			if (ConfigFileEntry.hide_spoof_ips)
176	michael	1834	sendto_one(source_p, form_str(RPL_ETRACE),
177	db	849	me.name,
178			source_p->name,
179	michael	1219	HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
180	michael	1676	get_client_class(&target_p->localClient->confs),
181	db	849	target_p->name,
182			target_p->username,
183	db	856	target_p->host,
184	michael	891	IsIPSpoof(target_p) ? "255.255.255.255" : target_p->sockhost,
185	db	849	target_p->info);
186			else
187	michael	1834	sendto_one(source_p, form_str(RPL_ETRACE),
188	db	849	me.name,
189			source_p->name,
190	michael	1219	HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
191	michael	1676	get_client_class(&target_p->localClient->confs),
192	db	849	target_p->name,
193			target_p->username,
194	db	856	target_p->host,
195	michael	891	target_p->sockhost,
196	db	849	target_p->info);
197			}
198	adx	30	}
199			}
200	michael	1230
201			static struct Message etrace_msgtab = {
202			"ETRACE", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
203			{m_unregistered, m_not_oper, m_ignore, m_ignore, mo_etrace, m_ignore}
204			};
205
206			static void
207			module_init(void)
208			{
209			mod_add_cmd(&etrace_msgtab);
210			}
211
212			static void
213			module_exit(void)
214			{
215			mod_del_cmd(&etrace_msgtab);
216			}
217
218			struct module module_entry = {
219			.node = { NULL, NULL, NULL },
220			.name = NULL,
221			.version = "$Revision$",
222			.handle = NULL,
223			.modinit = module_init,
224			.modexit = module_exit,
225			.flags = 0
226			};