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authorErmal <eri@pfsense.org>2011-11-11 11:15:41 +0000
committerErmal <eri@pfsense.org>2011-11-11 11:15:41 +0000
commit5becc5aa5efda18cc0a69e3664738fe3d3d23149 (patch)
tree05524b0d2cab28af1f475bd8a6369ca4376da465 /config/snort/snort.inc
parent3a07cd507ea64db89b451ab324a8145012eb4999 (diff)
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Send snort.inc on some diet by removing unused/junk code
Diffstat (limited to 'config/snort/snort.inc')
-rw-r--r--config/snort/snort.inc251
1 files changed, 3 insertions, 248 deletions
diff --git a/config/snort/snort.inc b/config/snort/snort.inc
index 5fdc7a8b..e0f90582 100644
--- a/config/snort/snort.inc
+++ b/config/snort/snort.inc
@@ -37,7 +37,7 @@ require_once("functions.inc");
require_once("filter.inc");
/* package version */
-$snort_package_version = 'Snort 2.9.0.5 pkg v. 2.0';
+$snort_package_version = 'Snort 2.9.1 pkg v. 2.0';
/* Allow additional execution time 0 = no limit. */
ini_set('max_execution_time', '9999');
@@ -56,6 +56,8 @@ else
$snort_pfsense_basever = 'yes';
/* find out what arch where in x86 , x64 */
+global $snort_arch;
+$snort_arch = 'x86';
$snort_arch_ck = php_uname("m");
if ($snort_arch_ck == 'i386')
$snort_arch = 'x86';
@@ -597,24 +599,6 @@ function snort_postinstall()
}
}
-function sync_package_snort_reinstall()
-{
- global $config;
-
- conf_mount_rw();
-
- if (!$config['installedpackages']['snortglobal'])
- return;
-
- /* create snort configuration file */
- create_snort_conf();
-
- /* start snort service */
- // start_service("snort"); // do not start, may be needed latter.
-
- conf_mount_ro();
-}
-
function snort_Getdirsize($node) {
if(!is_readable($node))
return false;
@@ -1040,7 +1024,6 @@ function create_snort_sh()
$snortconf =& $config['installedpackages']['snortglobal']['rule'];
- $snort_sh_text2 = array();
$snort_sh_text3 = array();
$snort_sh_text4 = array();
@@ -1157,9 +1140,6 @@ EOD;
@chmod("/usr/local/etc/rc.d/snort.sh", 0755);
}
-
-///////////////////////// >>>>>>>>>>>>
-
/* if rules exist copy to new interfaces */
function create_rules_iface($id, $if_real, $snort_uuid)
{
@@ -1218,29 +1198,6 @@ function generate_barnyard2_conf($id, $if_real, $snort_uuid) {
# barnyard2.conf
# barnyard2 can be found at http://www.securixlive.com/barnyard2/index.php
#
-# Copyright (C) 2006 Robert Zelaya
-# part of pfSense
-# All rights reserved.
-#
-# 1. Redistributions of source code must retain the above copyright notice,
-# this list of conditions and the following disclaimer.
-#
-# 2. Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
-# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
-# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-# AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
-# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-# POSSIBILITY OF SUCH DAMAGE.
-#
-
# set the appropriate paths to the file(s) your Snort process is using
config reference_file: /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/reference.config
@@ -2169,125 +2126,6 @@ EOD;
return $snort_conf_text;
}
-/* check downloaded text from snort.org to make sure that an error did not occur
- * for example, if you are not a premium subscriber you can only download rules
- * so often, etc. TO BE: Removed unneeded.
- */
-function check_for_common_errors($filename) {
- global $snort_filename, $snort_filename_md5, $console_mode;
-
- // ob_flush();
- $contents = file_get_contents($filename);
- if (!$contents) {
- if(!$console_mode) {
- update_all_status("An error occured while downloading {$filename}.");
- hide_progress_bar_status();
- } else
- log_error("An error occured. Scroll down to inspect it's contents.");
-
- if (!$console_mode)
- update_output_window(strip_tags("$contents"));
- else {
- $contents = strip_tags($contents);
- log_error("Error downloading snort rules: {$contents}");
- echo "Error downloading snort rules: {$contents}";
- }
-
- scroll_down_to_bottom_of_page();
-
- return;
- }
-}
-
-/* force browser to scroll all the way down */
-function scroll_down_to_bottom_of_page() {
- global $snort_filename, $console_mode;
-
- ob_flush();
- if(!$console_mode)
- echo "\n<script type=\"text/javascript\">parent.scrollTo(0,1500);\n</script>";
-}
-
-/* ensure downloaded file looks sane */
-function verify_downloaded_file($filename) {
- global $snort_filename, $snort_filename_md5, $console_mode;
-
- ob_flush();
- if (filesize($filename) < 9500) {
- if(!$console_mode) {
- update_all_status("Checking {$filename}...");
- check_for_common_errors($filename);
- }
- }
- update_all_status("Verifying {$filename}...");
- if(!file_exists($filename)) {
- if(!$console_mode) {
- update_all_status("Could not fetch snort rules ({$filename}). Check oinkid key and dns and try again.");
- hide_progress_bar_status();
- } else {
- log_error("Could not fetch snort rules ({$filename}). Check oinkid key and dns and try again.");
- echo "Could not fetch snort rules ({$filename}). Check oinkid key and dns and try again.";
- }
- return;
- }
- update_all_status("Verified {$filename}.");
-}
-
-/* extract rules */
-function extract_snort_rules_md5($tmpfname) {
- global $snort_filename, $snort_filename_md5, $console_mode;
-
- ob_flush();
- if(!$console_mode) {
- $static_output = gettext("Extracting snort rules...");
- update_all_status($static_output);
- }
- if(!is_dir("/usr/local/etc/snort/rules/"))
- @mkdir("/usr/local/etc/snort/rules/");
-
- $cmd = "/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C /usr/local/etc/snort/ rules/";
- $handle = popen("{$cmd} 2>&1", 'r');
- while(!feof($handle)) {
- $buffer = fgets($handle);
- update_output_window($buffer);
- }
- pclose($handle);
-
- if(!$console_mode) {
- $static_output = gettext("Snort rules extracted.");
- update_all_status($static_output);
- } else {
- log_error("Snort rules extracted.");
- echo "Snort rules extracted.";
- }
-}
-
-/* verify MD5 against downloaded item */
-function verify_snort_rules_md5($tmpfname) {
- global $snort_filename, $snort_filename_md5, $console_mode;
-
- ob_flush();
- if(!$console_mode) {
- $static_output = gettext("Verifying md5 signature...");
- update_all_status($static_output);
- }
-
- $md555 = file_get_contents("{$tmpfname}/{$snort_filename_md5}");
- $md5 = `echo "{$md555}" | /usr/bin/awk '{ print $4 }'`;
- $file_md5_ondisk = `/sbin/md5 {$tmpfname}/{$snort_filename} | /usr/bin/awk '{ print $4 }'`;
- if($md5 == $file_md5_ondisk) {
- if(!$console_mode) {
- $static_output = gettext("snort rules: md5 signature of rules mismatch.");
- update_all_status($static_output);
- hide_progress_bar_status();
- } else {
- log_error("snort rules: md5 signature of rules mismatch.");
- echo "snort rules: md5 signature of rules mismatch.";
- }
- return;
- }
-}
-
/* hide progress bar */
function hide_progress_bar_status() {
global $snort_filename, $snort_filename_md5, $console_mode;
@@ -2317,87 +2155,4 @@ function update_all_status($status) {
}
}
-/* obtain alert description for an ip address */
-function get_snort_alert($ip) {
- global $snort_alert_file_split, $snort_config;
-
- if(!file_exists("/var/log/snort/alert"))
- return;
- if(!$snort_config)
- $snort_config = read_snort_config_cache();
- if($snort_config[$ip])
- return $snort_config[$ip];
- if(!$snort_alert_file_split)
- $snort_alert_file_split = split("\n", file_get_contents("/var/log/snort/alert"));
-
- foreach($snort_alert_file_split as $fileline) {
- if (preg_match("/\[\*\*\] (\[.*\]) (.*) (\[\*\*\])/", $fileline, $matches))
- $alert_title = $matches[2];
- if (preg_match("/(\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b)/", $fileline, $matches))
- $alert_ip = $matches[$id];
- if($alert_ip == $ip) {
- if(!$snort_config[$ip])
- $snort_config[$ip] = $alert_title;
-
- return $alert_title;
- }
- }
- return "n/a";
-}
-
-function make_clickable($buffer) {
- global $config, $g;
-
- /* if clickable urls is disabled, simply return buffer back to caller */
- $clickablalerteurls = $config['installedpackages']['snort']['config'][$id]['oinkmastercode'];
- if(!$clickablalerteurls)
- return $buffer;
-
- $buffer = eregi_replace("(^|[ \n\r\t])((http(s?)://)(www\.)?([a-z0-9_-]+(\.[a-z0-9_-]+)+)(/[^/ \n\r]*)*)","\\1<a href=\"\\2\" target=\"_blank\">\\2</a>", $buffer);
- $buffer = eregi_replace("(^|[ \n\r\t])((ftp://)(www\.)?([a-z0-9_-]+(\.[a-z0-9_-]+)+)(/[^/ \n\r]*)*)","\\1<a href=\"\\2\" target=\"_blank\">\\2</a>", $buffer);
- $buffer = eregi_replace("([a-z_-][a-z0-9\._-]*@[a-z0-9_-]+(\.[a-z0-9_-]+)+)","<a href=\"mailto:\\1\">\\1</a>", $buffer);
- $buffer = eregi_replace("(^|[ \n\r\t])(www\.([a-z0-9_-]+(\.[a-z0-9_-]+)+)(/[^/ \n\r]*)*)","\\1<a href=\"http://\\2\" target=\"_blank\">\\2</a>", $buffer);
- $buffer = eregi_replace("(^|[ \n\r\t])(ftp\.([a-z0-9_-]+(\.[a-z0-9_-]+)+)(/[^/ \n\r]*)*)","\\1<a href=\"ftp://\\2\" target=\"_blank\">\\2</a>", $buffer);
-
- return $buffer;
-}
-
-function read_snort_config_cache() {
- global $g, $config, $snort_config;
-
- if($snort_config)
- return $snort_config;
-
- if(file_exists($g['tmp_path'] . '/snort_config.cache'))
- $snort_config = unserialize(file_get_contents($g['tmp_path'] . '/snort_config.cache'));
-
- return $snort_config;
-}
-
-function write_snort_config_cache($snort_config) {
- global $g, $config;
-
- $configcache = fopen($g['tmp_path'] . '/snort_config.cache', "w");
- if(!$configcache) {
- log_error("Could not open {$g['tmp_path']}/snort_config.cache for writing.");
- return false;
- }
- fwrite($configcache, serialize($snort_config));
- fclose($configcache);
-
- return true;
-}
-
-function snort_advanced() {
- global $g, $config;
-
- sync_package_snort();
-}
-
-function snort_define_servers() {
- global $g, $config;
-
- sync_package_snort();
-}
-
?>