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 "handlers.h"
#include "hook.h"
#include "client.h"
#include "hash.h"
#include "common.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 "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h"


static void do_etrace(struct Client *, int, char **);
static void mo_etrace(struct Client *, struct Client *, int, char *[]);

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

#ifndef STATIC_MODULES
const char *_version = "$Revision$";
static struct Callback *etrace_cb;

static void *
va_etrace(va_list args)
{
  struct Client *source_p = va_arg(args, struct Client *);
  int parc = va_arg(args, int);
  char **parv = va_arg(args, char **);

  do_etrace(source_p, parc, parv);
  return NULL;
}

void
_modinit(void)
{
  etrace_cb = register_callback("doing_etrace", va_etrace);
  mod_add_cmd(&etrace_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&etrace_msgtab);
  uninstall_hook(etrace_cb, va_etrace);
}
#endif

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;

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

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

    if (tname != NULL)
      wilds = strchr(tname, '*') || strchr(tname, '?');
    else
      tname = "*";
  }
  else
  {
    do_all = 1;
    tname = "*";
  }

  if (IsFull(source_p))
    full_etrace = 1;

  if (!wilds && !do_all)
  {
    target_p = 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[])
{
#ifdef STATIC_MODULES
  do_etrace(source_p, parc, parv);
#else
  execute_callback(etrace_cb, source_p, parc, parv);
#endif
}

/* 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,
                   IsOper(target_p) ? "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, 
                   IsOper(target_p) ? "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,
                   IsOper(target_p) ? "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, 
                   IsOper(target_p) ? "Oper" : "User", 
                   class_name,
                   target_p->name,
                   target_p->username,
                   target_p->host,
                   target_p->sockhost,
                   target_p->info);
    }
  }
}
Revision:	1118
Committed:	Thu Jan 6 13:39:10 2011 UTC (15 years, 6 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-7.3/modules/m_etrace.c*
File size:	5777 byte(s)
Log Message:	- cleanup and sanitize m_server.c. remove hostmasking. Improve TS6 suppport
#	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 "handlers.h"
28			#include "hook.h"
29			#include "client.h"
30			#include "hash.h"
31			#include "common.h"
32			#include "irc_string.h"
33			#include "ircd.h"
34			#include "numeric.h"
35			#include "fdlist.h"
36			#include "s_bsd.h"
37			#include "s_serv.h"
38			#include "send.h"
39			#include "msg.h"
40			#include "parse.h"
41			#include "modules.h"
42			#include "s_conf.h"
43
44
45			static void do_etrace(struct Client , int, char *);
46			static void mo_etrace(struct Client , struct Client , int, char *[]);
47
48			struct Message etrace_msgtab = {
49			"ETRACE", 0, 0, 0, 0, MFLG_SLOW, 0,
50	michael	172	{m_unregistered, m_not_oper, m_ignore, m_ignore, mo_etrace, m_ignore}
51	adx	30	};
52
53			#ifndef STATIC_MODULES
54	knight	31	const char *_version = "$Revision$";
55	adx	30	static struct Callback *etrace_cb;
56
57			static void *
58			va_etrace(va_list args)
59			{
60			struct Client source_p = va_arg(args, struct Client );
61			int parc = va_arg(args, int);
62			char parv = va_arg(args, char );
63
64			do_etrace(source_p, parc, parv);
65			return NULL;
66			}
67
68			void
69			_modinit(void)
70			{
71			etrace_cb = register_callback("doing_etrace", va_etrace);
72			mod_add_cmd(&etrace_msgtab);
73			}
74
75			void
76			_moddeinit(void)
77			{
78			mod_del_cmd(&etrace_msgtab);
79			uninstall_hook(etrace_cb, va_etrace);
80			}
81			#endif
82
83	db	849	static void report_this_status(struct Client , struct Client , int);
84	adx	30
85			/*
86			* do_etrace()
87			*/
88			static void
89			do_etrace(struct Client source_p, int parc, char *parv)
90			{
91			const char *tname = NULL;
92			struct Client *target_p = NULL;
93			int wilds = 0;
94			int do_all = 0;
95	db	849	int full_etrace = 0;
96	adx	30	dlink_node *ptr;
97
98	db	849	if (parc > 1)
99	adx	30	{
100	db	849	if (irccmp(parv[1], "-full") == 0)
101			{
102			parv++;
103			parc--;
104			full_etrace = 1;
105			}
106			}
107
108			if (parc > 1)
109			{
110	adx	30	tname = parv[1];
111	db	849
112	adx	30	if (tname != NULL)
113			wilds = strchr(tname, '*') \|\| strchr(tname, '?');
114			else
115			tname = "*";
116			}
117			else
118			{
119			do_all = 1;
120			tname = "*";
121			}
122
123	db	856	if (IsFull(source_p))
124			full_etrace = 1;
125
126	adx	30	if (!wilds && !do_all)
127			{
128			target_p = find_client(tname);
129
130			if (target_p && MyClient(target_p))
131	db	849	report_this_status(source_p, target_p, full_etrace);
132	adx	30
133			sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
134	michael	891	source_p->name, tname);
135	adx	30	return;
136			}
137
138			DLINK_FOREACH(ptr, local_client_list.head)
139			{
140			target_p = ptr->data;
141
142			if (wilds)
143			{
144	michael	1118	if (match(tname, target_p->name))
145	michael	891	report_this_status(source_p, target_p, full_etrace);
146	adx	30	}
147			else
148	db	849	report_this_status(source_p, target_p, full_etrace);
149	adx	30	}
150
151			sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
152	michael	891	source_p->name, tname);
153	adx	30	}
154
155			/* mo_etrace()
156			* parv[0] = sender prefix
157			* parv[1] = servername
158			*/
159			static void
160			mo_etrace(struct Client client_p, struct Client source_p,
161	michael	1114	int parc, char *parv[])
162	adx	30	{
163			#ifdef STATIC_MODULES
164			do_etrace(source_p, parc, parv);
165			#else
166			execute_callback(etrace_cb, source_p, parc, parv);
167			#endif
168			}
169
170			/* report_this_status()
171			*
172			* inputs - pointer to client to report to
173			* - pointer to client to report about
174	db	849	* - flag full etrace or not
175	adx	30	* output - NONE
176			* side effects - NONE
177			*/
178			static void
179	db	849	report_this_status(struct Client source_p, struct Client target_p,
180	michael	1114	int full_etrace)
181	adx	30	{
182			const char *name;
183			const char *class_name;
184
185			name = get_client_name(target_p, HIDE_IP);
186			class_name = get_client_class(target_p);
187
188			set_time();
189
190			if (target_p->status == STAT_CLIENT)
191			{
192	db	849	if (full_etrace)
193			{
194			if (ConfigFileEntry.hide_spoof_ips)
195	michael	1114	sendto_one(source_p, form_str(RPL_ETRACE_FULL),
196	db	849	me.name,
197			source_p->name,
198			IsOper(target_p) ? "Oper" : "User",
199			class_name,
200			target_p->name,
201			target_p->username,
202	db	856	target_p->host,
203	michael	891	IsIPSpoof(target_p) ? "255.255.255.255" : target_p->sockhost,
204	michael	1113	IsIPSpoof(target_p) ? "<hidden>" : target_p->localClient->client_host,
205			IsIPSpoof(target_p) ? "<hidden>" : target_p->localClient->client_server,
206	db	849	target_p->info);
207			else
208	michael	1114	sendto_one(source_p, form_str(RPL_ETRACE_FULL),
209	db	849	me.name,
210			source_p->name,
211			IsOper(target_p) ? "Oper" : "User",
212			class_name,
213			target_p->name,
214			target_p->username,
215	db	856	target_p->host,
216	michael	891	target_p->sockhost,
217	michael	1113	target_p->localClient->client_host,
218			target_p->localClient->client_server,
219	db	849	target_p->info);
220			}
221	adx	30	else
222	db	849	{
223			if (ConfigFileEntry.hide_spoof_ips)
224	michael	1114	sendto_one(source_p, form_str(RPL_ETRACE),
225	db	849	me.name,
226			source_p->name,
227			IsOper(target_p) ? "Oper" : "User",
228			class_name,
229			target_p->name,
230			target_p->username,
231	db	856	target_p->host,
232	michael	891	IsIPSpoof(target_p) ? "255.255.255.255" : target_p->sockhost,
233	db	849	target_p->info);
234			else
235	michael	1114	sendto_one(source_p, form_str(RPL_ETRACE),
236	db	849	me.name,
237			source_p->name,
238			IsOper(target_p) ? "Oper" : "User",
239			class_name,
240			target_p->name,
241			target_p->username,
242	db	856	target_p->host,
243	michael	891	target_p->sockhost,
244	db	849	target_p->info);
245			}
246	adx	30	}
247			}