|
1
|
<?php
|
|
2
|
/*
|
|
3
|
diag_packet_capture.php
|
|
4
|
Copyright (C) 2013-2015 Electric Sheep Fencing, LP
|
|
5
|
All rights reserved
|
|
6
|
|
|
7
|
Redistribution and use in source and binary forms, with or without
|
|
8
|
modification, are permitted provided that the following conditions are met:
|
|
9
|
|
|
10
|
1. Redistributions of source code must retain the above copyright notice,
|
|
11
|
this list of conditions and the following disclaimer.
|
|
12
|
|
|
13
|
2. Redistributions in binary form must reproduce the above copyright
|
|
14
|
notice, this list of conditions and the following disclaimer in the
|
|
15
|
documentation and/or other materials provided with the distribution.
|
|
16
|
|
|
17
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
18
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
19
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
20
|
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
21
|
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
22
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
23
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
24
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
25
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
26
|
POSSIBILITY OF SUCH DAMAGE.
|
|
27
|
*/
|
|
28
|
|
|
29
|
/*
|
|
30
|
pfSense_BUILDER_BINARIES: /bin/ps /usr/bin/grep /usr/sbin/tcpdump
|
|
31
|
pfSense_MODULE: routing
|
|
32
|
*/
|
|
33
|
|
|
34
|
##|+PRIV
|
|
35
|
##|*IDENT=page-diagnostics-packetcapture
|
|
36
|
##|*NAME=Diagnostics: Packet Capture page
|
|
37
|
##|*DESCR=Allow access to the 'Diagnostics: Packet Capture' page.
|
|
38
|
##|*MATCH=diag_packet_capture.php*
|
|
39
|
##|-PRIV
|
|
40
|
|
|
41
|
$allowautocomplete = true;
|
|
42
|
|
|
43
|
function fixup_host_logic($value) {
|
|
44
|
return str_replace(array(" ", ",", "+", "|", "!"), array("", "and ", "and ", "or ", "not "), $value);
|
|
45
|
}
|
|
46
|
function strip_host_logic($value) {
|
|
47
|
return str_replace(array(" ", ",", "+", "|", "!"), array("", "", "", "", ""), $value);
|
|
48
|
}
|
|
49
|
function get_host_boolean($value, $host) {
|
|
50
|
$value = str_replace(array("!", $host), array("", ""), $value);
|
|
51
|
$andor = "";
|
|
52
|
switch (trim($value)) {
|
|
53
|
case "|":
|
|
54
|
$andor = "or ";
|
|
55
|
break;
|
|
56
|
case ",":
|
|
57
|
case "+":
|
|
58
|
$andor = "and ";
|
|
59
|
break;
|
|
60
|
}
|
|
61
|
return $andor;
|
|
62
|
}
|
|
63
|
function has_not($value) {
|
|
64
|
return strpos($value, '!') !== false;
|
|
65
|
}
|
|
66
|
function fixup_not($value) {
|
|
67
|
return str_replace("!", "not ", $value);
|
|
68
|
}
|
|
69
|
function strip_not($value) {
|
|
70
|
return ltrim(trim($value), '!');
|
|
71
|
}
|
|
72
|
|
|
73
|
function fixup_host($value, $position) {
|
|
74
|
$host = strip_host_logic($value);
|
|
75
|
$not = has_not($value) ? "not " : "";
|
|
76
|
$andor = ($position > 0) ? get_host_boolean($value, $host) : "";
|
|
77
|
if (is_ipaddr($host)) {
|
|
78
|
return "{$andor}host {$not}" . $host;
|
|
79
|
} elseif (is_subnet($host)) {
|
|
80
|
return "{$andor}net {$not}" . $host;
|
|
81
|
} else {
|
|
82
|
return "";
|
|
83
|
}
|
|
84
|
}
|
|
85
|
|
|
86
|
if ($_POST['downloadbtn'] == gettext("Download Capture")) {
|
|
87
|
$nocsrf = true;
|
|
88
|
}
|
|
89
|
|
|
90
|
$pgtitle = array(gettext("Diagnostics"), gettext("Packet Capture"));
|
|
91
|
require_once("guiconfig.inc");
|
|
92
|
require_once("pfsense-utils.inc");
|
|
93
|
|
|
94
|
$fp = "/root/";
|
|
95
|
$fn = "packetcapture.cap";
|
|
96
|
$snaplen = 0;//default packet length
|
|
97
|
$count = 100;//default number of packets to capture
|
|
98
|
|
|
99
|
$fams = array('ip', 'ip6');
|
|
100
|
$protos = array('icmp', 'icmp6', 'tcp', 'udp', 'arp', 'carp', 'esp',
|
|
101
|
'!icmp', '!icmp6', '!tcp', '!udp', '!arp', '!carp', '!esp');
|
|
102
|
|
|
103
|
$input_errors = array();
|
|
104
|
|
|
105
|
$interfaces = get_configured_interface_with_descr();
|
|
106
|
if (isset($config['ipsec']['enable'])) {
|
|
107
|
$interfaces['ipsec'] = "IPsec";
|
|
108
|
}
|
|
109
|
foreach (array('server', 'client') as $mode) {
|
|
110
|
if (is_array($config['openvpn']["openvpn-{$mode}"])) {
|
|
111
|
foreach ($config['openvpn']["openvpn-{$mode}"] as $id => $setting) {
|
|
112
|
if (!isset($setting['disable'])) {
|
|
113
|
$interfaces['ovpn' . substr($mode, 0, 1) . $setting['vpnid']] = gettext("OpenVPN") . " ".$mode.": ".htmlspecialchars($setting['description']);
|
|
114
|
}
|
|
115
|
}
|
|
116
|
}
|
|
117
|
}
|
|
118
|
|
|
119
|
if ($_POST) {
|
|
120
|
$host = $_POST['host'];
|
|
121
|
$selectedif = $_POST['interface'];
|
|
122
|
$count = $_POST['count'];
|
|
123
|
$snaplen = $_POST['snaplen'];
|
|
124
|
$port = $_POST['port'];
|
|
125
|
$detail = $_POST['detail'];
|
|
126
|
$fam = $_POST['fam'];
|
|
127
|
$proto = $_POST['proto'];
|
|
128
|
|
|
129
|
if (!array_key_exists($selectedif, $interfaces)) {
|
|
130
|
$input_errors[] = gettext("Invalid interface.");
|
|
131
|
}
|
|
132
|
if ($fam !== "" && $fam !== "ip" && $fam !== "ip6") {
|
|
133
|
$input_errors[] = gettext("Invalid address family.");
|
|
134
|
}
|
|
135
|
if ($proto !== "" && !in_array(strip_not($proto), $protos)) {
|
|
136
|
$input_errors[] = gettext("Invalid protocol.");
|
|
137
|
}
|
|
138
|
|
|
139
|
if ($host != "") {
|
|
140
|
$host_string = str_replace(array(" ", "|", ","), array("", "#|", "#+"), $host);
|
|
141
|
if (strpos($host_string, '#') === false) {
|
|
142
|
$hosts = array($host);
|
|
143
|
} else {
|
|
144
|
$hosts = explode('#', $host_string);
|
|
145
|
}
|
|
146
|
foreach ($hosts as $h) {
|
|
147
|
if (!is_subnet(strip_host_logic($h)) && !is_ipaddr(strip_host_logic($h))) {
|
|
148
|
$input_errors[] = sprintf(gettext("A valid IP address or CIDR block must be specified. [%s]"), $h);
|
|
149
|
}
|
|
150
|
}
|
|
151
|
}
|
|
152
|
if ($port != "") {
|
|
153
|
if (!is_port(strip_not($port))) {
|
|
154
|
$input_errors[] = gettext("Invalid value specified for port.");
|
|
155
|
}
|
|
156
|
}
|
|
157
|
if ($snaplen == "") {
|
|
158
|
$snaplen = 0;
|
|
159
|
} else {
|
|
160
|
if (!is_numeric($snaplen) || $snaplen < 0) {
|
|
161
|
$input_errors[] = gettext("Invalid value specified for packet length.");
|
|
162
|
}
|
|
163
|
}
|
|
164
|
if ($count == "") {
|
|
165
|
$count = 0;
|
|
166
|
} else {
|
|
167
|
if (!is_numeric($count) || $count < 0) {
|
|
168
|
$input_errors[] = gettext("Invalid value specified for packet count.");
|
|
169
|
}
|
|
170
|
}
|
|
171
|
|
|
172
|
if (!count($input_errors)) {
|
|
173
|
$do_tcpdump = true;
|
|
174
|
|
|
175
|
conf_mount_rw();
|
|
176
|
|
|
177
|
if ($_POST['promiscuous']) {
|
|
178
|
//if promiscuous mode is checked
|
|
179
|
$disablepromiscuous = "";
|
|
180
|
} else {
|
|
181
|
//if promiscuous mode is unchecked
|
|
182
|
$disablepromiscuous = "-p";
|
|
183
|
}
|
|
184
|
|
|
185
|
if ($_POST['dnsquery']) {
|
|
186
|
//if dns lookup is checked
|
|
187
|
$disabledns = "";
|
|
188
|
} else {
|
|
189
|
//if dns lookup is unchecked
|
|
190
|
$disabledns = "-n";
|
|
191
|
}
|
|
192
|
|
|
193
|
if ($_POST['startbtn'] != "") {
|
|
194
|
$action = gettext("Start");
|
|
195
|
|
|
196
|
//delete previous packet capture if it exists
|
|
197
|
if (file_exists($fp.$fn)) {
|
|
198
|
unlink ($fp.$fn);
|
|
199
|
}
|
|
200
|
|
|
201
|
} elseif ($_POST['stopbtn'] != "") {
|
|
202
|
$action = gettext("Stop");
|
|
203
|
$processes_running = trim(shell_exec("/bin/ps axw -O pid= | /usr/bin/grep tcpdump | /usr/bin/grep {$fn} | /usr/bin/egrep -v '(pflog|grep)'"));
|
|
204
|
|
|
205
|
//explode processes into an array, (delimiter is new line)
|
|
206
|
$processes_running_array = explode("\n", $processes_running);
|
|
207
|
|
|
208
|
//kill each of the packetcapture processes
|
|
209
|
foreach ($processes_running_array as $process) {
|
|
210
|
$process_id_pos = strpos($process, ' ');
|
|
211
|
$process_id = substr($process, 0, $process_id_pos);
|
|
212
|
exec("kill $process_id");
|
|
213
|
}
|
|
214
|
|
|
215
|
} elseif ($_POST['downloadbtn'] != "") {
|
|
216
|
//download file
|
|
217
|
$fs = filesize($fp.$fn);
|
|
218
|
header("Content-Type: application/octet-stream");
|
|
219
|
header("Content-Disposition: attachment; filename=$fn");
|
|
220
|
header("Content-Length: $fs");
|
|
221
|
readfile($fp.$fn);
|
|
222
|
exit;
|
|
223
|
}
|
|
224
|
}
|
|
225
|
} else {
|
|
226
|
$do_tcpdump = false;
|
|
227
|
}
|
|
228
|
|
|
229
|
include("head.inc"); ?>
|
|
230
|
|
|
231
|
<body link="#000000" vlink="#0000CC" alink="#0000CC">
|
|
232
|
|
|
233
|
<?php
|
|
234
|
include("fbegin.inc");
|
|
235
|
?>
|
|
236
|
|
|
237
|
<?php if ($input_errors) print_input_errors($input_errors); ?>
|
|
238
|
|
|
239
|
<table width="100%" border="0" cellpadding="0" cellspacing="0" summary="diag packet capture">
|
|
240
|
<tr><td>
|
|
241
|
<form action="diag_packet_capture.php" method="post" name="iform" id="iform">
|
|
242
|
<table width="100%" border="0" cellpadding="6" cellspacing="0" summary="table">
|
|
243
|
<tr>
|
|
244
|
<td colspan="3" valign="top" class="listtopic"><?=gettext("Packet capture");?></td>
|
|
245
|
</tr>
|
|
246
|
<tr>
|
|
247
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Interface");?></td>
|
|
248
|
<td width="32%" class="vtable">
|
|
249
|
<select name="interface">
|
|
250
|
<?php foreach ($interfaces as $iface => $ifacename): ?>
|
|
251
|
<option value="<?=$iface;?>" <?php if ($selectedif == $iface) echo "selected=\"selected\""; ?>>
|
|
252
|
<?php echo $ifacename;?>
|
|
253
|
</option>
|
|
254
|
<?php endforeach; ?>
|
|
255
|
</select>
|
|
256
|
<br /><?=gettext("Select the interface on which to capture traffic.");?>
|
|
257
|
</td>
|
|
258
|
</tr>
|
|
259
|
<tr>
|
|
260
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Promiscuous");?></td>
|
|
261
|
<td width="51%" class="vtable">
|
|
262
|
<input name="promiscuous" type="checkbox"<?php if ($_POST['promiscuous']) echo " checked=\"checked\""; ?> />
|
|
263
|
<br /><?=gettext("If checked, the");?> <a target="_blank" href="http://www.freebsd.org/cgi/man.cgi?query=tcpdump&apropos=0&sektion=0&manpath=FreeBSD+8.3-stable&arch=default&format=html"><?= gettext("packet capture")?></a> <?= gettext("will be performed using promiscuous mode.");?>
|
|
264
|
<br /><b><?=gettext("Note");?>: </b><?=gettext("Some network adapters do not support or work well in promiscuous mode.");?>
|
|
265
|
</td>
|
|
266
|
</tr>
|
|
267
|
<tr>
|
|
268
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Address Family");?></td>
|
|
269
|
<td colspan="2" width="83%" class="vtable">
|
|
270
|
<select name="fam">
|
|
271
|
<option value="">Any</option>
|
|
272
|
<option value="ip" <?php if ($fam == "ip") echo "selected=\"selected\""; ?>>IPv4 Only</option>
|
|
273
|
<option value="ip6" <?php if ($fam == "ip6") echo "selected=\"selected\""; ?>>IPv6 Only</option>
|
|
274
|
</select>
|
|
275
|
<br /><?=gettext("Select the type of traffic to be captured, either Any, IPv4 only or IPv6 only.");?>
|
|
276
|
</td>
|
|
277
|
</tr>
|
|
278
|
<tr>
|
|
279
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Protocol");?></td>
|
|
280
|
<td colspan="2" width="83%" class="vtable">
|
|
281
|
<select name="proto">
|
|
282
|
<option value="">Any</option>
|
|
283
|
<option value="icmp" <?php if ($proto == "icmp") echo "selected=\"selected\""; ?>>ICMP</option>
|
|
284
|
<option value="!icmp" <?php if ($proto == "!icmp") echo "selected=\"selected\""; ?>>Exclude ICMP</option>
|
|
285
|
<option value="icmp6" <?php if ($proto == "icmp6") echo "selected=\"selected\""; ?>>ICMPv6</option>
|
|
286
|
<option value="!icmp6" <?php if ($proto == "!icmp6") echo "selected=\"selected\""; ?>>Exclude ICMPv6</option>
|
|
287
|
<option value="tcp" <?php if ($proto == "tcp") echo "selected=\"selected\""; ?>>TCP</option>
|
|
288
|
<option value="!tcp" <?php if ($proto == "!tcp") echo "selected=\"selected\""; ?>>Exclude TCP</option>
|
|
289
|
<option value="udp" <?php if ($proto == "udp") echo "selected=\"selected\""; ?>>UDP</option>
|
|
290
|
<option value="!udp" <?php if ($proto == "!udp") echo "selected=\"selected\""; ?>>Exclude UDP</option>
|
|
291
|
<option value="arp" <?php if ($proto == "arp") echo "selected=\"selected\""; ?>>ARP</option>
|
|
292
|
<option value="!arp" <?php if ($proto == "!arp") echo "selected=\"selected\""; ?>>Exclude ARP</option>
|
|
293
|
<option value="carp" <?php if ($proto == "carp") echo "selected=\"selected\""; ?>>CARP (VRRP)</option>
|
|
294
|
<option value="!carp" <?php if ($proto == "!carp") echo "selected=\"selected\""; ?>>Exclude CARP (VRRP)</option>
|
|
295
|
<option value="esp" <?php if ($proto == "esp") echo "selected=\"selected\""; ?>>ESP</option>
|
|
296
|
</select>
|
|
297
|
<br /><?=gettext("Select the protocol to capture, or Any.");?>
|
|
298
|
</td>
|
|
299
|
</tr>
|
|
300
|
<tr>
|
|
301
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Host Address");?></td>
|
|
302
|
<td colspan="2" width="83%" class="vtable">
|
|
303
|
<input name="host" class="formfld host" id="host" size="20" value="<?=htmlspecialchars($host);?>" />
|
|
304
|
<br /><?=gettext("This value is either the Source or Destination IP address or subnet in CIDR notation. The packet capture will look for this address in either field.");?>
|
|
305
|
<br /><?=gettext("Matching can be negated by preceding the value with \"!\". Multiple IP addresses or CIDR subnets may be specified. Comma (\",\") separated values perform a boolean \"and\". Separating with a pipe (\"|\") performs a boolean \"or\".");?>
|
|
306
|
<br /><?=gettext("If you leave this field blank, all packets on the specified interface will be captured.");?>
|
|
307
|
</td>
|
|
308
|
</tr>
|
|
309
|
<tr>
|
|
310
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Port");?></td>
|
|
311
|
<td colspan="2" width="83%" class="vtable">
|
|
312
|
<input name="port" class="formfld unknown" id="port" size="5" value="<?=$port;?>" />
|
|
313
|
<br /><?=gettext("The port can be either the source or destination port. The packet capture will look for this port in either field.");?>
|
|
314
|
<br /><?=gettext("Leave blank if you do not want to filter by port.");?>
|
|
315
|
</td>
|
|
316
|
</tr>
|
|
317
|
<tr>
|
|
318
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Packet Length");?></td>
|
|
319
|
<td colspan="2" width="83%" class="vtable">
|
|
320
|
<input name="snaplen" class="formfld unknown" id="snaplen" size="5" value="<?=$snaplen;?>" />
|
|
321
|
<br /><?=gettext("The Packet length is the number of bytes of each packet that will be captured. Default value is 0, which will capture the entire frame regardless of its size.");?>
|
|
322
|
</td>
|
|
323
|
</tr>
|
|
324
|
<tr>
|
|
325
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Count");?></td>
|
|
326
|
<td colspan="2" width="83%" class="vtable">
|
|
327
|
<input name="count" class="formfld unknown" id="count" size="5" value="<?=$count;?>" />
|
|
328
|
<br /><?=gettext("This is the number of packets the packet capture will grab. Default value is 100.") . "<br />" . gettext("Enter 0 (zero) for no count limit.");?>
|
|
329
|
</td>
|
|
330
|
</tr>
|
|
331
|
<tr>
|
|
332
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Level of Detail");?></td>
|
|
333
|
<td colspan="2" width="83%" class="vtable">
|
|
334
|
<select name="detail" class="formselect" id="detail" size="1">
|
|
335
|
<option value="normal" <?php if ($detail == "normal") echo "selected=\"selected\""; ?>><?=gettext("Normal");?></option>
|
|
336
|
<option value="medium" <?php if ($detail == "medium") echo "selected=\"selected\""; ?>><?=gettext("Medium");?></option>
|
|
337
|
<option value="high" <?php if ($detail == "high") echo "selected=\"selected\""; ?>><?=gettext("High");?></option>
|
|
338
|
<option value="full" <?php if ($detail == "full") echo "selected=\"selected\""; ?>><?=gettext("Full");?></option>
|
|
339
|
</select>
|
|
340
|
<br />
|
|
341
|
<?=gettext("This is the level of detail that will be displayed after hitting 'Stop' when the packets have been captured.") . "<br /><b>" .
|
|
342
|
gettext("Note:") . "</b> " .
|
|
343
|
gettext("This option does not affect the level of detail when downloading the packet capture.");?>
|
|
344
|
</td>
|
|
345
|
</tr>
|
|
346
|
<tr>
|
|
347
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Reverse DNS Lookup");?></td>
|
|
348
|
<td colspan="2" width="83%" class="vtable">
|
|
349
|
<input name="dnsquery" type="checkbox" <?php if ($_POST['dnsquery']) echo " checked=\"checked\""; ?> />
|
|
350
|
<br /><?=gettext("This check box will cause the packet capture to perform a reverse DNS lookup associated with all IP addresses.");?>
|
|
351
|
<br /><b><?=gettext("Note");?>: </b><?=gettext("This option can cause delays for large packet captures.");?>
|
|
352
|
</td>
|
|
353
|
</tr>
|
|
354
|
<tr>
|
|
355
|
<td width="17%" valign="top"> </td>
|
|
356
|
<td colspan="2" width="83%">
|
|
357
|
<?php
|
|
358
|
|
|
359
|
/* check to see if packet capture tcpdump is already running */
|
|
360
|
$processcheck = (trim(shell_exec("/bin/ps axw -O pid= | /usr/bin/grep tcpdump | /usr/bin/grep {$fn} | /usr/bin/egrep -v '(pflog|grep)'")));
|
|
361
|
|
|
362
|
if ($processcheck != "") {
|
|
363
|
$processisrunning = true;
|
|
364
|
} else {
|
|
365
|
$processisrunning = false;
|
|
366
|
}
|
|
367
|
|
|
368
|
if (($action == gettext("Stop") or $action == "") and $processisrunning != true) {
|
|
369
|
echo "<input type=\"submit\" name=\"startbtn\" value=\"" . gettext("Start") . "\" /> ";
|
|
370
|
} else {
|
|
371
|
echo "<input type=\"submit\" name=\"stopbtn\" value=\"" . gettext("Stop") . "\" /> ";
|
|
372
|
}
|
|
373
|
if (file_exists($fp.$fn) and $processisrunning != true) {
|
|
374
|
echo "<input type=\"submit\" name=\"viewbtn\" value=\"" . gettext("View Capture") . "\" /> ";
|
|
375
|
echo "<input type=\"submit\" name=\"downloadbtn\" value=\"" . gettext("Download Capture") . "\" />";
|
|
376
|
echo "<br />" . gettext("The packet capture file was last updated:") . " " . date("F jS, Y g:i:s a.", filemtime($fp.$fn));
|
|
377
|
}
|
|
378
|
?>
|
|
379
|
</td>
|
|
380
|
</tr>
|
|
381
|
</table>
|
|
382
|
</form>
|
|
383
|
<table width="100%" border="0" cellpadding="6" cellspacing="0" summary="results">
|
|
384
|
<tr>
|
|
385
|
<td valign="top" colspan="2">
|
|
386
|
<?php
|
|
387
|
echo "<font face=\"terminal\" size=\"2\">";
|
|
388
|
if ($processisrunning == true) {
|
|
389
|
echo("<strong>" . gettext("Packet Capture is running.") . "</strong><br />");
|
|
390
|
}
|
|
391
|
|
|
392
|
if ($do_tcpdump) {
|
|
393
|
$matches = array();
|
|
394
|
|
|
395
|
if (in_array($fam, $fams)) {
|
|
396
|
$matches[] = $fam;
|
|
397
|
}
|
|
398
|
|
|
399
|
if (in_array($proto, $protos)) {
|
|
400
|
$matches[] = fixup_not($proto);
|
|
401
|
}
|
|
402
|
|
|
403
|
if ($port != "") {
|
|
404
|
$matches[] = "port ".fixup_not($port);
|
|
405
|
}
|
|
406
|
|
|
407
|
if ($host != "") {
|
|
408
|
$hostmatch = "";
|
|
409
|
$hostcount = 0;
|
|
410
|
foreach ($hosts as $h) {
|
|
411
|
$h = fixup_host($h, $hostcount++);
|
|
412
|
if (!empty($h)) {
|
|
413
|
$hostmatch .= " " . $h;
|
|
414
|
}
|
|
415
|
}
|
|
416
|
if (!empty($hostmatch)) {
|
|
417
|
$matches[] = "({$hostmatch})";
|
|
418
|
}
|
|
419
|
}
|
|
420
|
|
|
421
|
if ($count != "0") {
|
|
422
|
$searchcount = "-c " . $count;
|
|
423
|
} else {
|
|
424
|
$searchcount = "";
|
|
425
|
}
|
|
426
|
|
|
427
|
$selectedif = convert_friendly_interface_to_real_interface_name($selectedif);
|
|
428
|
|
|
429
|
if ($action == gettext("Start")) {
|
|
430
|
$matchstr = implode($matches, " and ");
|
|
431
|
echo("<strong>" . gettext("Packet Capture is running.") . "</strong><br />");
|
|
432
|
$cmd = "/usr/sbin/tcpdump -i {$selectedif} {$disablepromiscuous} {$searchcount} -s {$snaplen} -w {$fp}{$fn} " . escapeshellarg($matchstr);
|
|
433
|
// Debug
|
|
434
|
//echo $cmd;
|
|
435
|
mwexec_bg ($cmd);
|
|
436
|
} else {
|
|
437
|
//action = stop
|
|
438
|
echo("<strong>" . gettext("Packet Capture stopped.") . "<br /><br />" . gettext("Packets Captured:") . "</strong><br />");
|
|
439
|
?>
|
|
440
|
<script type="text/javascript">
|
|
441
|
//<![CDATA[
|
|
442
|
window.onload=function() {
|
|
443
|
document.getElementById("packetsCaptured").wrap='off';
|
|
444
|
}
|
|
445
|
//]]>
|
|
446
|
</script>
|
|
447
|
<textarea id="packetsCaptured" style="width:98%" name="code" rows="15" cols="66" readonly="readonly">
|
|
448
|
<?php
|
|
449
|
$detail_args = "";
|
|
450
|
switch ($detail) {
|
|
451
|
case "full":
|
|
452
|
$detail_args = "-vv -e";
|
|
453
|
break;
|
|
454
|
case "high":
|
|
455
|
$detail_args = "-vv";
|
|
456
|
break;
|
|
457
|
case "medium":
|
|
458
|
$detail_args = "-v";
|
|
459
|
break;
|
|
460
|
case "normal":
|
|
461
|
default:
|
|
462
|
$detail_args = "-q";
|
|
463
|
break;
|
|
464
|
}
|
|
465
|
system("/usr/sbin/tcpdump {$disabledns} {$detail_args} -r {$fp}{$fn}");
|
|
466
|
|
|
467
|
conf_mount_ro();
|
|
468
|
?>
|
|
469
|
</textarea>
|
|
470
|
<?php
|
|
471
|
}
|
|
472
|
}
|
|
473
|
?>
|
|
474
|
</font>
|
|
475
|
</td>
|
|
476
|
</tr>
|
|
477
|
</table>
|
|
478
|
</td></tr>
|
|
479
|
</table>
|
|
480
|
|
|
481
|
<?php
|
|
482
|
include("fend.inc");
|
|
483
|
?>
|
|
484
|
</body>
|
|
485
|
</html>
|
