8.0.0beta2/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"


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,
                       "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)
{
  const char *name;
  const char *class_name;

  name = get_client_name(target_p, HIDE_IP);
  class_name = get_client_class(target_p);

  set_time();

  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",
                   class_name,
                   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", 
                   class_name,
                   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",
                   class_name,
                   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", 
                   class_name,
                   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:	1471
Committed:	Sat Jul 21 20:39:22 2012 UTC (13 years, 1 month ago) by lusky
Content type:	text/x-csrc
Original Path:	*releases/ircd-hybrid-8.0.0beta2/modules/m_etrace.c*
File size:	5579 byte(s)
Log Message:	RELEASE TAG ircd-hybrid-8.0.0beta2
#	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	adx	30
40
41	db	849	static void report_this_status(struct Client , struct Client , int);
42	adx	30
43			/*
44			* do_etrace()
45			*/
46			static void
47	michael	1144	do_etrace(struct Client source_p, int parc, char parv[])
48	adx	30	{
49			const char *tname = NULL;
50			struct Client *target_p = NULL;
51			int wilds = 0;
52			int do_all = 0;
53	db	849	int full_etrace = 0;
54	adx	30	dlink_node *ptr;
55
56	michael	1144	sendto_realops_flags(UMODE_SPY, L_ALL,
57			"ETRACE requested by %s (%s@%s) [%s]",
58			source_p->name, source_p->username,
59			source_p->host, source_p->servptr->name);
60
61	db	849	if (parc > 1)
62	adx	30	{
63	db	849	if (irccmp(parv[1], "-full") == 0)
64			{
65	michael	1169	++parv;
66			--parc;
67	db	849	full_etrace = 1;
68			}
69			}
70
71			if (parc > 1)
72			{
73	adx	30	tname = parv[1];
74	db	849
75	adx	30	if (tname != NULL)
76	michael	1400	wilds = has_wildcards(tname);
77	adx	30	else
78			tname = "*";
79			}
80			else
81			{
82			do_all = 1;
83			tname = "*";
84			}
85
86	michael	1219	if (HasUMode(source_p, UMODE_CCONN_FULL))
87	db	856	full_etrace = 1;
88
89	adx	30	if (!wilds && !do_all)
90			{
91	michael	1169	target_p = hash_find_client(tname);
92	adx	30
93			if (target_p && MyClient(target_p))
94	db	849	report_this_status(source_p, target_p, full_etrace);
95	adx	30
96			sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
97	michael	891	source_p->name, tname);
98	adx	30	return;
99			}
100
101			DLINK_FOREACH(ptr, local_client_list.head)
102			{
103			target_p = ptr->data;
104
105			if (wilds)
106			{
107	michael	1118	if (match(tname, target_p->name))
108	michael	891	report_this_status(source_p, target_p, full_etrace);
109	adx	30	}
110			else
111	db	849	report_this_status(source_p, target_p, full_etrace);
112	adx	30	}
113
114			sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
115	michael	891	source_p->name, tname);
116	adx	30	}
117
118			/* mo_etrace()
119			* parv[0] = sender prefix
120			* parv[1] = servername
121			*/
122			static void
123			mo_etrace(struct Client client_p, struct Client source_p,
124	michael	1114	int parc, char *parv[])
125	adx	30	{
126	michael	1144	do_etrace(source_p, parc, parv);
127	adx	30	}
128
129			/* report_this_status()
130			*
131			* inputs - pointer to client to report to
132			* - pointer to client to report about
133	db	849	* - flag full etrace or not
134	adx	30	* output - NONE
135			* side effects - NONE
136			*/
137			static void
138	db	849	report_this_status(struct Client source_p, struct Client target_p,
139	michael	1114	int full_etrace)
140	adx	30	{
141			const char *name;
142			const char *class_name;
143
144			name = get_client_name(target_p, HIDE_IP);
145			class_name = get_client_class(target_p);
146
147			set_time();
148
149			if (target_p->status == STAT_CLIENT)
150			{
151	db	849	if (full_etrace)
152			{
153			if (ConfigFileEntry.hide_spoof_ips)
154	michael	1114	sendto_one(source_p, form_str(RPL_ETRACE_FULL),
155	db	849	me.name,
156			source_p->name,
157	michael	1219	HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
158	db	849	class_name,
159			target_p->name,
160			target_p->username,
161	db	856	target_p->host,
162	michael	891	IsIPSpoof(target_p) ? "255.255.255.255" : target_p->sockhost,
163	michael	1113	IsIPSpoof(target_p) ? "<hidden>" : target_p->localClient->client_host,
164			IsIPSpoof(target_p) ? "<hidden>" : target_p->localClient->client_server,
165	db	849	target_p->info);
166			else
167	michael	1114	sendto_one(source_p, form_str(RPL_ETRACE_FULL),
168	db	849	me.name,
169			source_p->name,
170	michael	1219	HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
171	db	849	class_name,
172			target_p->name,
173			target_p->username,
174	db	856	target_p->host,
175	michael	891	target_p->sockhost,
176	michael	1113	target_p->localClient->client_host,
177			target_p->localClient->client_server,
178	db	849	target_p->info);
179			}
180	adx	30	else
181	db	849	{
182			if (ConfigFileEntry.hide_spoof_ips)
183	michael	1114	sendto_one(source_p, form_str(RPL_ETRACE),
184	db	849	me.name,
185			source_p->name,
186	michael	1219	HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
187	db	849	class_name,
188			target_p->name,
189			target_p->username,
190	db	856	target_p->host,
191	michael	891	IsIPSpoof(target_p) ? "255.255.255.255" : target_p->sockhost,
192	db	849	target_p->info);
193			else
194	michael	1114	sendto_one(source_p, form_str(RPL_ETRACE),
195	db	849	me.name,
196			source_p->name,
197	michael	1219	HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
198	db	849	class_name,
199			target_p->name,
200			target_p->username,
201	db	856	target_p->host,
202	michael	891	target_p->sockhost,
203	db	849	target_p->info);
204			}
205	adx	30	}
206			}
207	michael	1230
208			static struct Message etrace_msgtab = {
209			"ETRACE", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
210			{m_unregistered, m_not_oper, m_ignore, m_ignore, mo_etrace, m_ignore}
211			};
212
213			static void
214			module_init(void)
215			{
216			mod_add_cmd(&etrace_msgtab);
217			}
218
219			static void
220			module_exit(void)
221			{
222			mod_del_cmd(&etrace_msgtab);
223			}
224
225			struct module module_entry = {
226			.node = { NULL, NULL, NULL },
227			.name = NULL,
228			.version = "$Revision$",
229			.handle = NULL,
230			.modinit = module_init,
231			.modexit = module_exit,
232			.flags = 0
233			};