diff options
Diffstat (limited to 'config/snort')
| -rw-r--r-- | config/snort/snort_log_mgmt.php | 388 |
1 files changed, 388 insertions, 0 deletions
diff --git a/config/snort/snort_log_mgmt.php b/config/snort/snort_log_mgmt.php new file mode 100644 index 00000000..aee98a99 --- /dev/null +++ b/config/snort/snort_log_mgmt.php @@ -0,0 +1,388 @@ +<?php +/* + * snort_log_mgmt.php + * + * Portions of this code are based on original work done for the + * Snort package for pfSense from the following contributors: + * + * Copyright (C) 2005 Bill Marquette <bill.marquette@gmail.com>. + * Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>. + * Copyright (C) 2006 Scott Ullrich + * Copyright (C) 2009 Robert Zelaya Sr. Developer + * Copyright (C) 2012 Ermal Luci + * Copyright (C) 2014 Bill Meeks + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +require_once("guiconfig.inc"); +require_once("/usr/local/pkg/snort/snort.inc"); + +global $g; + +$snortdir = SNORTDIR; + +$pconfig = array(); + +// Grab saved settings from configuration +$pconfig['enable_log_mgmt'] = $config['installedpackages']['snortglobal']['enable_log_mgmt'] == 'on' ? 'on' : 'off'; +$pconfig['clearlogs'] = $config['installedpackages']['snortglobal']['clearlogs']; +$pconfig['snortloglimit'] = $config['installedpackages']['snortglobal']['snortloglimit']; +$pconfig['snortloglimitsize'] = $config['installedpackages']['snortglobal']['snortloglimitsize']; +$pconfig['alert_log_limit_size'] = $config['installedpackages']['snortglobal']['alert_log_limit_size']; +$pconfig['alert_log_retention'] = $config['installedpackages']['snortglobal']['alert_log_retention']; +$pconfig['stats_log_limit_size'] = $config['installedpackages']['snortglobal']['stats_log_limit_size']; +$pconfig['stats_log_retention'] = $config['installedpackages']['snortglobal']['stats_log_retention']; +$pconfig['sid_changes_log_limit_size'] = $config['installedpackages']['snortglobal']['sid_changes_log_limit_size']; +$pconfig['sid_changes_log_retention'] = $config['installedpackages']['snortglobal']['sid_changes_log_retention']; + +// Load up some arrays with selection values (we use these later). +// The keys in the $retentions array are the retention period +// converted to hours. The keys in the $log_sizes array are +// the file size limits in KB. +$retentions = array( '0' => gettext('KEEP ALL'), '24' => gettext('1 DAY'), '168' => gettext('7 DAYS'), '336' => gettext('14 DAYS'), + '720' => gettext('30 DAYS'), '1080' => gettext("45 DAYS"), '2160' => gettext('90 DAYS'), '4320' => gettext('180 DAYS'), + '8766' => gettext('1 YEAR'), '26298' => gettext("3 YEARS") ); +$log_sizes = array( '0' => gettext('NO LIMIT'), '50' => gettext('50 KB'), '150' => gettext('150 KB'), '250' => gettext('250 KB'), + '500' => gettext('500 KB'), '750' => gettext('750 KB'), '1000' => gettext('1 MB'), '2000' => gettext('2 MB'), + '5000' => gettext("5 MB"), '10000' => gettext("10 MB") ); + +// Set sensible defaults for any unset parameters +if (empty($pconfig['snortloglimit'])) + $pconfig['snortloglimit'] = 'on'; +if (empty($pconfig['snortloglimitsize'])) { + // Set limit to 20% of slice that is unused */ + $pconfig['snortloglimitsize'] = round(exec('df -k /var | grep -v "Filesystem" | awk \'{print $4}\'') * .20 / 1024); +} + +// Set default retention periods for rotated logs +if (!isset($pconfig['alert_log_retention'])) + $pconfig['alert_log_retention'] = "336"; +if (!isset($pconfig['stats_log_retention'])) + $pconfig['stats_log_retention'] = "168"; +if (!isset($pconfig['u2_archive_log_retention'])) + $pconfig['u2_archive_log_retention'] = "168"; +if (!isset($pconfig['sid_changes_log_retention'])) + $pconfig['sid_changes_log_retention'] = "336"; + +// Set default log file size limits +if (!isset($pconfig['alert_log_limit_size'])) + $pconfig['alert_log_limit_size'] = "500"; +if (!isset($pconfig['stats_log_limit_size'])) + $pconfig['stats_log_limit_size'] = "500"; +if (!isset($pconfig['unified2_log_limit'])) + $pconfig['unified2_log_limit'] = "32"; +if (!isset($pconfig['sid_changes_log_limit_size'])) + $pconfig['sid_changes_log_limit_size'] = "250"; + +if ($_POST['ResetAll']) { + + // Reset all settings to their defaults + $pconfig['alert_log_retention'] = "336"; + $pconfig['stats_log_retention'] = "168"; + $pconfig['sid_changes_log_retention'] = "336"; + + $pconfig['alert_log_limit_size'] = "500"; + $pconfig['stats_log_limit_size'] = "500"; + $pconfig['sid_changes_log_limit_size'] = "250"; + + /* Log a message at the top of the page to inform the user */ + $savemsg = gettext("All log management settings on this page have been reset to their defaults. Click APPLY if you wish to keep these new settings."); +} + +if ($_POST["save"] || $_POST['apply']) { + if ($_POST['enable_log_mgmt'] != 'on') { + $config['installedpackages']['snortglobal']['enable_log_mgmt'] = $_POST['enable_log_mgmt'] ? 'on' :'off'; + write_config("Snort pkg: saved updated configuration for LOGS MGMT."); + sync_snort_package_config(); + + /* forces page to reload new settings */ + header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' ); + header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' ); + header( 'Cache-Control: no-store, no-cache, must-revalidate' ); + header( 'Cache-Control: post-check=0, pre-check=0', false ); + header( 'Pragma: no-cache' ); + header("Location: /snort/snort_log_mgmt.php"); + exit; + } + + if ($_POST['snortloglimit'] == 'on') { + if (!is_numericint($_POST['snortloglimitsize']) || $_POST['snortloglimitsize'] < 1) + $input_errors[] = gettext("The 'Log Directory Size Limit' must be an integer value greater than zero."); + } + + if (!$input_errors) { + $config['installedpackages']['snortglobal']['enable_log_mgmt'] = $_POST['enable_log_mgmt'] ? 'on' :'off'; + $config['installedpackages']['snortglobal']['clearlogs'] = $_POST['clearlogs'] ? 'on' : 'off'; + $config['installedpackages']['snortglobal']['snortloglimit'] = $_POST['snortloglimit']; + $config['installedpackages']['snortglobal']['snortloglimitsize'] = $_POST['snortloglimitsize']; + $config['installedpackages']['snortglobal']['alert_log_limit_size'] = $_POST['alert_log_limit_size']; + $config['installedpackages']['snortglobal']['alert_log_retention'] = $_POST['alert_log_retention']; + $config['installedpackages']['snortglobal']['stats_log_limit_size'] = $_POST['stats_log_limit_size']; + $config['installedpackages']['snortglobal']['stats_log_retention'] = $_POST['stats_log_retention']; + $config['installedpackages']['snortglobal']['sid_changes_log_limit_size'] = $_POST['sid_changes_log_limit_size']; + $config['installedpackages']['snortglobal']['sid_changes_log_retention'] = $_POST['sid_changes_log_retention']; + + write_config("Snort pkg: saved updated configuration for LOGS MGMT."); + sync_snort_package_config(); + + /* forces page to reload new settings */ + header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' ); + header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' ); + header( 'Cache-Control: no-store, no-cache, must-revalidate' ); + header( 'Cache-Control: post-check=0, pre-check=0', false ); + header( 'Pragma: no-cache' ); + header("Location: /snort/snort_log_mgmt.php"); + exit; + } +} + +$pgtitle = gettext("Snort: Log Management"); +include_once("head.inc"); + +?> + +<body link="#000000" vlink="#000000" alink="#000000"> + +<?php +include_once("fbegin.inc"); + +/* Display Alert message, under form tag or no refresh */ +if ($input_errors) + print_input_errors($input_errors); +?> + +<form action="snort_log_mgmt.php" method="post" enctype="multipart/form-data" name="iform" id="iform"> + +<?php +if ($savemsg) { + /* Display save message */ + print_info_box($savemsg); +} +?> + +<table width="100%" border="0" cellpadding="0" cellspacing="0"> +<tr><td> +<?php + $tab_array = array(); + $tab_array[0] = array(gettext("Snort Interfaces"), false, "/snort/snort_interfaces.php"); + $tab_array[1] = array(gettext("Global Settings"), false, "/snort/snort_interfaces_global.php"); + $tab_array[2] = array(gettext("Updates"), false, "/snort/snort_download_updates.php"); + $tab_array[3] = array(gettext("Alerts"), false, "/snort/snort_alerts.php"); + $tab_array[4] = array(gettext("Blocked"), false, "/snort/snort_blocked.php"); + $tab_array[5] = array(gettext("Pass Lists"), false, "/snort/snort_passlist.php"); + $tab_array[6] = array(gettext("Suppress"), false, "/snort/snort_interfaces_suppress.php"); + $tab_array[7] = array(gettext("IP Lists"), false, "/snort/snort_ip_list_mgmt.php"); + $tab_array[8] = array(gettext("SID Mgmt"), false, "/snort/snort_sid_mgmt.php"); + $tab_array[9] = array(gettext("Log Mgmt"), true, "/snort/snort_logs_mgmt.php"); + $tab_array[10] = array(gettext("Sync"), false, "/pkg_edit.php?xml=snort/snort_sync.xml"); + display_top_tabs($tab_array, true); +?> +</td></tr> +<tr> + <td> + <div id="mainarea"> + <table id="maintable" class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0"> +<tr> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("General Settings"); ?></td> +</tr> +<tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Remove Snort Log Files During Package Uninstall"); ?></td> + <td width="78%" class="vtable"><input name="clearlogs" id="clearlogs" type="checkbox" value="yes" + <?php if ($config['installedpackages']['snortglobal']['clearlogs']=="on") echo " checked"; ?>/> + <?php echo gettext("Snort log files will be removed when the Snort package is uninstalled."); ?></td> +</tr> +<tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Auto Log Management"); ?></td> + <td width="78%" class="vtable"><input name="enable_log_mgmt" id="enable_log_mgmt" type="checkbox" value="on" + <?php if ($config['installedpackages']['snortglobal']['enable_log_mgmt']=="on") echo " checked"; ?> onClick="enable_change();"/> + <?php echo gettext("Enable automatic unattended management of Snort logs using parameters specified below."); ?><br/> + <span class="red"><strong><?=gettext("Note: ") . "</strong></span>" . gettext("This must be be enabled in order to set Log Size and Retention Limits below.");?> + </td> +</tr> +<tr> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Logs Directory Size Limit"); ?></td> +</tr> +<tr> +<?php $snortlogCurrentDSKsize = round(exec('df -k /var | grep -v "Filesystem" | awk \'{print $4}\'') / 1024); ?> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Log Directory Size " . + "Limit"); ?><br/><br/><br/><br/><br/><br/><br/> + <span class="red"><strong><?php echo gettext("Note:"); ?></strong></span><br/> + <?php echo gettext("Available space is"); ?> <strong><?php echo $snortlogCurrentDSKsize; ?> MB</strong></td> + <td width="78%" class="vtable"> + <table cellpadding="0" cellspacing="0"> + <tr> + <td colspan="2" class="vexpl"><input name="snortloglimit" type="radio" id="snortloglimit_on" value="on" + <?php if($pconfig['snortloglimit']=='on') echo 'checked'; ?> onClick="enable_change_dirSize();"/> + <strong><?php echo gettext("Enable"); ?></strong> <?php echo gettext("directory size limit"); ?> (<strong><?php echo gettext("Default"); ?></strong>)</td> + </tr> + <tr> + <td colspan="2" class="vexpl"><input name="snortloglimit" type="radio" id="snortloglimit_off" value="off" + <?php if($pconfig['snortloglimit']=='off') echo 'checked'; ?> onClick="enable_change_dirSize();"/> + <strong><?php echo gettext("Disable"); ?></strong> + <?php echo gettext("directory size limit"); ?><br/> + <br/><span class="red"><strong><?=gettext("Note: ");?></strong></span><?=gettext("this setting imposes a hard-limit on the combined log directory size of all Snort interfaces. ") . + gettext("When the size limit set is reached, rotated logs for all interfaces will be removed, and any active logs pruned to zero-length.");?> + <br/><br/> + <span class="red"><strong><?php echo gettext("Warning:"); ?></strong></span> <?php echo gettext("NanoBSD " . + "should use no more than 10MB of space."); ?></td> + </tr> + </table> + <table width="100%" border="0" cellpadding="2" cellspacing="0"> + <tr> + <td class="vexpl"><?php echo gettext("Size in ") . "<strong>" . gettext("MB:") . "</strong>";?> + <input name="snortloglimitsize" type="text" class="formfld unknown" id="snortloglimitsize" size="10" value="<?=htmlspecialchars($pconfig['snortloglimitsize']);?>"/> + <?php echo gettext("Default is ") . "<strong>" . gettext("20%") . "</strong>" . gettext(" of available space.");?></td> + </tr> + </table> + </td> +</tr> +<tr> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Log Size and Retention Limits"); ?></td> +</tr> +<tr> + <td class="vncell" valign="top" width="22%"><?php echo gettext("Text Log Settings");?></td> + <td class="vtable" width="78%"> + <table width="100%" border="0" cellpadding="2" cellspacing="0"> + <colgroup> + <col style="width: 15%;"> + <col style="width: 18%;"> + <col style="width: 18%;"> + <col> + </colgroup> + <thead> + <tr> + <th class="listhdrr"><?=gettext("Log Name");?></th> + <th class="listhdrr"><?=gettext("Max Size");?></th> + <th class="listhdrr"><?=gettext("Retention");?></th> + <th class="listhdrr"><?=gettext("Log Description");?></th> + </tr> + </thead> + <tbody> + <tr> + <td class="listbg">alert</td> + <td class="listr" align="center"><select name="alert_log_limit_size" class="formselect" id="alert_log_limit_size"> + <?php foreach ($log_sizes as $k => $l): ?> + <option value="<?=$k;?>" + <?php if ($k == $pconfig['alert_log_limit_size']) echo "selected"; ?>> + <?=htmlspecialchars($l);?></option> + <?php endforeach; ?> + </select> + </td> + <td class="listr" align="center"><select name="alert_log_retention" class="formselect" id="alert_log_retention"> + <?php foreach ($retentions as $k => $p): ?> + <option value="<?=$k;?>" + <?php if ($k == $pconfig['alert_log_retention']) echo "selected"; ?>> + <?=htmlspecialchars($p);?></option> + <?php endforeach; ?> + </select> + </td> + <td class="listbg"><?=gettext("Snort alerts and event details");?></td> + </tr> + <tr> + <td class="listbg">sid_changes</td> + <td class="listr" align="center"><select name="sid_changes_log_limit_size" class="formselect" id="sid_changes_log_limit_size"> + <?php foreach ($log_sizes as $k => $l): ?> + <option value="<?=$k;?>" + <?php if ($k == $pconfig['sid_changes_log_limit_size']) echo "selected"; ?>> + <?=htmlspecialchars($l);?></option> + <?php endforeach; ?> + </select> + </td> + <td class="listr" align="center"><select name="sid_changes_log_retention" class="formselect" id="sid_changes_log_retention"> + <?php foreach ($retentions as $k => $p): ?> + <option value="<?=$k;?>" + <?php if ($k == $pconfig['sid_changes_log_retention']) echo "selected"; ?>> + <?=htmlspecialchars($p);?></option> + <?php endforeach; ?> + </select> + </td> + <td class="listbg"><?=gettext("SID changes made by SID Mgmt conf files");?></td> + </tr> + <tr> + <td class="listbg">stats</td> + <td class="listr" align="center"><select name="stats_log_limit_size" class="formselect" id="stats_log_limit_size"> + <?php foreach ($log_sizes as $k => $l): ?> + <option value="<?=$k;?>" + <?php if ($k == $pconfig['stats_log_limit_size']) echo "selected"; ?>> + <?=htmlspecialchars($l);?></option> + <?php endforeach; ?> + </select> + </td> + <td class="listr" align="center"><select name="stats_log_retention" class="formselect" id="stats_log_retention"> + <?php foreach ($retentions as $k => $p): ?> + <option value="<?=$k;?>" + <?php if ($k == $pconfig['stats_log_retention']) echo "selected"; ?>> + <?=htmlspecialchars($p);?></option> + <?php endforeach; ?> + </select> + </td> + <td class="listbg"><?=gettext("Snort performance statistics");?></td> + </tr> + </tbody> + </table> + <br/><?=gettext("Settings will be ignored for any log in the list above not enabled on the Interface Settings tab. ") . + gettext("When a log reaches the Max Size limit, it will be rotated and tagged with a timestamp. The Retention period determines ") . + gettext("how long rotated logs are kept before they are automatically deleted.");?> + </td> +</tr> +<tr> + <td width="22%"></td> + <td width="78%" class="vexpl"><input name="save" type="submit" class="formbtn" value="Save"/> + <input name="ResetAll" type="submit" class="formbtn" value="Reset" title="<?php echo + gettext("Reset all settings to defaults") . "\" onclick=\"return confirm('" . + gettext("WARNING: This will reset ALL Log Management settings to their defaults. Click OK to continue or CANCEL to quit.") . + "');\""; ?>/><br/> + <br/><span class="red"><strong><?php echo gettext("Note:");?></strong> + </span><?php echo gettext("Changing any settings on this page will affect all Snort-configured interfaces.");?></td> +</tr> + </table> +</div><br/> +</td></tr> +</table> +</form> + +<script language="JavaScript"> +function enable_change() { + var endis = !(document.iform.enable_log_mgmt.checked); + document.iform.alert_log_limit_size.disabled = endis; + document.iform.alert_log_retention.disabled = endis; + document.iform.stats_log_limit_size.disabled = endis; + document.iform.stats_log_retention.disabled = endis; + document.iform.sid_changes_log_retention.disabled = endis; + document.iform.sid_changes_log_limit_size.disabled = endis; +} + +function enable_change_dirSize() { + var endis = !(document.getElementById('snortloglimit_on').checked); + document.getElementById('snortloglimitsize').disabled = endis; +} + +enable_change(); +enable_change_dirSize(); +</script> + +<?php include("fend.inc"); ?> + +</body> +</html> |