diff options
Diffstat (limited to 'config/snort-dev/snort_check_for_rule_updates.php')
-rw-r--r-- | config/snort-dev/snort_check_for_rule_updates.php | 1380 |
1 files changed, 690 insertions, 690 deletions
diff --git a/config/snort-dev/snort_check_for_rule_updates.php b/config/snort-dev/snort_check_for_rule_updates.php index d959a1d5..41995e9d 100644 --- a/config/snort-dev/snort_check_for_rule_updates.php +++ b/config/snort-dev/snort_check_for_rule_updates.php @@ -1,690 +1,690 @@ -<?php
-/*
- snort_check_for_rule_updates.php
- Copyright (C) 2006 Scott Ullrich
- Copyright (C) 2009 Robert Zelaya
- Copyright (C) 2011 Ermal Luci
- 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.
- */
-
-/* Setup enviroment */
-
-/* TODO: review if include files are needed */
-require_once("functions.inc");
-require_once("service-utils.inc");
-require_once("/usr/local/pkg/snort/snort.inc");
-
-$pkg_interface = "console";
-
-$tmpfname = "/usr/local/etc/snort/tmp/snort_rules_up";
-$snortdir = "/usr/local/etc/snort";
-$snortdir_wan = "/usr/local/etc/snort";
-$snort_filename_md5 = "{$snort_rules_file}.md5";
-$snort_filename = "{$snort_rules_file}";
-$emergingthreats_filename_md5 = "emerging.rules.tar.gz.md5";
-$emergingthreats_filename = "emerging.rules.tar.gz";
-$pfsense_rules_filename_md5 = "pfsense_rules.tar.gz.md5";
-$pfsense_rules_filename = "pfsense_rules.tar.gz";
-
-/* Time stamps define */
-$last_md5_download = $config['installedpackages']['snortglobal']['last_md5_download'];
-$last_rules_install = $config['installedpackages']['snortglobal']['last_rules_install'];
-
-$up_date_time = date('l jS \of F Y h:i:s A');
-echo "\n";
-echo "#########################\n";
-echo "$up_date_time\n";
-echo "#########################\n";
-echo "\n\n";
-
-/* define checks */
-$oinkid = $config['installedpackages']['snortglobal']['oinkmastercode'];
-$snortdownload = $config['installedpackages']['snortglobal']['snortdownload'];
-$emergingthreats = $config['installedpackages']['snortglobal']['emergingthreats'];
-
-if ($snortdownload == 'off' && $emergingthreats != 'on')
- $snort_emrging_info = 'stop';
-
-if ($oinkid == "" && $snortdownload != 'off')
- $snort_oinkid_info = 'stop';
-
-/* check if main rule directory is empty */
-$if_mrule_dir = "/usr/local/etc/snort/rules";
-$mfolder_chk = (count(glob("$if_mrule_dir/*")) === 0) ? 'empty' : 'full';
-
-if (file_exists('/var/run/snort.conf.dirty'))
- $snort_dirty_d = 'stop';
-
-/* Start of code */
-conf_mount_rw();
-
-if (!is_dir('/usr/local/etc/snort/tmp'))
- exec('/bin/mkdir -p /usr/local/etc/snort/tmp');
-
-$snort_md5_check_ok = 'off';
-$emerg_md5_check_ok = 'off';
-$pfsense_md5_check_ok = 'off';
-
-/* Set user agent to Mozilla */
-ini_set('user_agent','Mozilla/4.0 (compatible; MSIE 6.0)');
-ini_set("memory_limit","150M");
-
-/* mark the time update started */
-$config['installedpackages']['snortglobal']['last_md5_download'] = date("Y-M-jS-h:i-A");
-
-/* send current buffer */
-ob_flush();
-
-/* send current buffer */
-ob_flush();
-
-/* remove old $tmpfname files */
-if (is_dir("{$tmpfname}")) {
- update_status(gettext("Removing old tmp files..."));
- exec("/bin/rm -r {$tmpfname}");
- apc_clear_cache();
-}
-
-/* Make shure snortdir exits */
-exec("/bin/mkdir -p {$snortdir}");
-exec("/bin/mkdir -p {$snortdir}/rules");
-exec("/bin/mkdir -p {$snortdir}/signatures");
-exec("/bin/mkdir -p {$tmpfname}");
-exec("/bin/mkdir -p /usr/local/lib/snort/dynamicrules/");
-
-/* send current buffer */
-ob_flush();
-
-$pfsensedownload = 'on';
-
-/* download md5 sig from snort.org */
-if ($snortdownload == 'on')
-{
- if (file_exists("{$tmpfname}/{$snort_filename_md5}") &&
- filesize("{$tmpfname}/{$snort_filename_md5}") > 0) {
- update_status(gettext("snort.org md5 temp file exists..."));
- } else {
- update_status(gettext("Downloading snort.org md5 file..."));
- ini_set('user_agent','Mozilla/4.0 (compatible; MSIE 6.0)');
-
- //$image = @file_get_contents("http://www.mtest.local/pub-bin/oinkmaster.cgi/{$oinkid}/{$snort_filename_md5}");
- $image = @file_get_contents("http://www.snort.org/pub-bin/oinkmaster.cgi/{$oinkid}/{$snort_filename_md5}");
- @file_put_contents("{$tmpfname}/{$snort_filename_md5}", $image);
- update_status(gettext("Done downloading snort.org md5"));
- }
-}
-
-/* download md5 sig from emergingthreats.net */
-if ($emergingthreats == 'on')
-{
- update_status(gettext("Downloading emergingthreats md5 file..."));
- ini_set('user_agent','Mozilla/4.0 (compatible; MSIE 6.0)');
- // $image = @file_get_contents("http://www.mtest.local/pub-bin/oinkmaster.cgi/{$oinkid}/version.txt");
- $image = @file_get_contents('http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz.md5');
- @file_put_contents("{$tmpfname}/{$emergingthreats_filename_md5}", $image);
- update_status(gettext("Done downloading emergingthreats md5"));
-}
-
-/* download md5 sig from pfsense.org */
-if (file_exists("{$tmpfname}/{$pfsense_rules_filename_md5}")) {
- update_status(gettext("pfsense md5 temp file exists..."));
-} else {
- update_status(gettext("Downloading pfsense md5 file..."));
- ini_set('user_agent','Mozilla/4.0 (compatible; MSIE 6.0)');
- //$image = @file_get_contents("http://www.mtest.local/pub-bin/oinkmaster.cgi/{$oinkid}/pfsense_rules.tar.gz.md5");
- $image = @file_get_contents("http://www.pfsense.com/packages/config/snort/pfsense_rules/pfsense_rules.tar.gz.md5");
- @file_put_contents("{$tmpfname}/pfsense_rules.tar.gz.md5", $image);
- update_status(gettext("Done downloading pfsense md5."));
-}
-
-/* If md5 file is empty wait 15min exit */
-if ($snortdownload == 'on')
-{
- if (0 == filesize("{$tmpfname}/{$snort_filename_md5}"))
- {
- update_status(gettext("Please wait... You may only check for New Rules every 15 minutes..."));
- update_output_window(gettext("Rules are released every month from snort.org. You may download the Rules at any time."));
- $snortdownload = 'off';
- }
-}
-
-/* If pfsense md5 file is empty wait 15min exit */
-if (0 == filesize("{$tmpfname}/$pfsense_rules_filename_md5")){
- update_status(gettext("Please wait... You may only check for New Pfsense Rules every 15 minutes..."));
- update_output_window(gettext("Rules are released to support Pfsense packages."));
- $pfsensedownload = 'off';
-}
-
-/* Check if were up to date snort.org */
-if ($snortdownload == 'on')
-{
- if (file_exists("{$snortdir}/{$snort_filename_md5}"))
- {
- $md5_check_new_parse = file_get_contents("{$tmpfname}/{$snort_filename_md5}");
- $md5_check_new = `/bin/echo "{$md5_check_new_parse}" | /usr/bin/awk '{ print $1 }'`;
- $md5_check_old_parse = file_get_contents("{$snortdir}/{$snort_filename_md5}");
- $md5_check_old = `/bin/echo "{$md5_check_old_parse}" | /usr/bin/awk '{ print $1 }'`;
- if ($md5_check_new == $md5_check_old)
- {
- update_status(gettext("Your rules are up to date..."));
- update_output_window(gettext("You may start Snort now, check update."));
- $snort_md5_check_ok = 'on';
- } else {
- update_status(gettext("Your rules are not up to date..."));
- $snort_md5_check_ok = 'off';
- }
- }
-}
-
-/* Check if were up to date emergingthreats.net */
-if ($emergingthreats == 'on')
-{
- if (file_exists("{$snortdir}/{$emergingthreats_filename_md5}"))
- {
- $emerg_md5_check_new_parse = file_get_contents("{$tmpfname}/{$emergingthreats_filename_md5}");
- $emerg_md5_check_new = `/bin/echo "{$emerg_md5_check_new_parse}" | /usr/bin/awk '{ print $1 }'`;
- $emerg_md5_check_old_parse = file_get_contents("{$snortdir}/{$emergingthreats_filename_md5}");
- $emerg_md5_check_old = `/bin/echo "{$emerg_md5_check_old_parse}" | /usr/bin/awk '{ print $1 }'`;
- if ($emerg_md5_check_new == $emerg_md5_check_old)
- {
- $emerg_md5_check_ok = 'on';
- } else
- $emerg_md5_check_ok = 'off';
- }
-}
-
-/* Check if were up to date pfsense.org */
-if ($pfsensedownload == 'on' && file_exists("{$snortdir}/pfsense_rules.tar.gz.md5"))
-{
- $pfsense_check_new_parse = file_get_contents("{$tmpfname}/pfsense_rules.tar.gz.md5");
- $pfsense_md5_check_new = `/bin/echo "{$pfsense_md5_check_new_parse}" | /usr/bin/awk '{ print $1 }'`;
- $pfsense_md5_check_old_parse = file_get_contents("{$snortdir}/pfsense_rules.tar.gz.md5");
- $pfsense_md5_check_old = `/bin/echo "{$pfsense_md5_check_old_parse}" | /usr/bin/awk '{ print $1 }'`;
- if ($pfsense_md5_check_new == $pfsense_md5_check_old)
- {
- $pfsense_md5_check_ok = 'on';
- } else
- $pfsense_md5_check_ok = 'off';
-}
-
-if ($snortdownload == 'on') {
- if ($snort_md5_check_ok == 'on')
- {
- update_status(gettext("Your snort.org rules are up to date..."));
- update_output_window(gettext("You may start Snort now..."));
- $snortdownload = 'off';
- }
-}
-if ($emergingthreats == 'on') {
- if ($emerg_md5_check_ok == 'on')
- {
- update_status(gettext("Your Emergingthreats rules are up to date..."));
- update_output_window(gettext("You may start Snort now..."));
- $emergingthreats = 'off';
- }
-}
-
-/* download snortrules file */
-if ($snortdownload == 'on')
-{
- if ($snort_md5_check_ok != 'on') {
- if (file_exists("{$tmpfname}/{$snort_filename}")) {
- update_status(gettext("Snortrule tar file exists..."));
- } else {
- update_status(gettext("There is a new set of Snort.org rules posted. Downloading..."));
- update_output_window(gettext("May take 4 to 10 min..."));
- download_file_with_progress_bar("http://www.snort.org/pub-bin/oinkmaster.cgi/{$oinkid}/{$snort_filename}", "{$tmpfname}/{$snort_filename}");
- update_all_status($static_output);
- update_status(gettext("Done downloading rules file."));
- if (300000 > filesize("{$tmpfname}/$snort_filename")){
- update_status(gettext("Error with the snort rules download..."));
- update_output_window(gettext("Snort rules file downloaded failed..."));
- $snortdownload = 'off';
- }
- }
- }
-}
-
-/* download emergingthreats rules file */
-if ($emergingthreats == "on")
-{
- if ($emerg_md5_check_ok != 'on')
- {
- if (file_exists("{$tmpfname}/{$emergingthreats_filename}"))
- {
- update_status(gettext('Emergingthreats tar file exists...'));
- }else{
- update_status(gettext("There is a new set of Emergingthreats rules posted. Downloading..."));
- update_output_window(gettext("May take 4 to 10 min..."));
- download_file_with_progress_bar('http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz', "{$tmpfname}/{$emergingthreats_filename}");
- update_status(gettext('Done downloading Emergingthreats rules file.'));
- }
- }
-}
-
-/* download pfsense rules file */
-if ($pfsensedownload == 'on' && $pfsense_md5_check_ok != 'on') {
- if (file_exists("{$tmpfname}/{$pfsense_rules_filename}")) {
- update_status(gettext("Snortrule tar file exists..."));
- } else {
- update_status(gettext("There is a new set of Pfsense rules posted. Downloading..."));
- update_output_window(gettext("May take 4 to 10 min..."));
- download_file_with_progress_bar("http://www.pfsense.com/packages/config/snort/pfsense_rules/pfsense_rules.tar.gz", $tmpfname . "/{$pfsense_rules_filename}");
- update_all_status($static_output);
- update_status(gettext("Done downloading rules file."));
- }
-}
-
-/* Compair md5 sig to file sig */
-
-//$premium_url_chk = $config['installedpackages']['snort']['config'][0]['subscriber'];
-//if ($premium_url_chk == on) {
-//$md5 = file_get_contents("{$tmpfname}/{$snort_filename_md5}");
-//$file_md5_ondisk = `/sbin/md5 {$tmpfname}/{$snort_filename} | /usr/bin/awk '{ print $4 }'`;
-// if ($md5 == $file_md5_ondisk) {
-// update_status(gettext("Valid md5 checksum pass..."));
-//} else {
-// update_status(gettext("The downloaded file does not match the md5 file...P is ON"));
-// update_output_window(gettext("Error md5 Mismatch..."));
-// return;
-// }
-//}
-
-//$premium_url_chk = $config['installedpackages']['snort']['config'][0]['subscriber'];
-//if ($premium_url_chk != on) {
-//$md55 = `/bin/cat {$tmpfname}/{$snort_filename_md5} | /usr/bin/awk '{ print $4 }'`;
-//$file_md5_ondisk2 = `/sbin/md5 {$tmpfname}/{$snort_filename} | /usr/bin/awk '{ print $4 }'`;
-// if ($md55 == $file_md5_ondisk2) {
-// update_status(gettext("Valid md5 checksum pass..."));
-//} else {
-// update_status(gettext("The downloaded file does not match the md5 file...Not P"));
-// update_output_window(gettext("Error md5 Mismatch..."));
-// return;
-// }
-//}
-
-/* Untar snort rules file individually to help people with low system specs */
-if ($snortdownload == 'on')
-{
- if ($snort_md5_check_ok != 'on') {
- if (file_exists("{$tmpfname}/{$snort_filename}")) {
-
- if ($pfsense_stable == 'yes')
- $freebsd_version_so = 'FreeBSD-7-2';
- else
- $freebsd_version_so = 'FreeBSD-8-1';
-
- update_status(gettext("Extracting Snort.org rules..."));
- update_output_window(gettext("May take a while..."));
- /* extract snort.org rules and add prefix to all snort.org files*/
- exec("/bin/rm -r {$snortdir}/rules");
- sleep(2);
- exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} rules/");
- chdir ("/usr/local/etc/snort/rules");
- sleep(2);
- exec('/usr/local/bin/perl /usr/local/bin/snort_rename.pl s/^/snort_/ *.rules');
-
- /* extract so rules */
- exec('/bin/mkdir -p /usr/local/lib/snort/dynamicrules/');
- if($snort_arch == 'x86'){
- exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} so_rules/precompiled/$freebsd_version_so/i386/2.9.0.5/");
- exec("/bin/mv -f {$snortdir}/so_rules/precompiled/$freebsd_version_so/i386/2.9.0.5/* /usr/local/lib/snort/dynamicrules/");
- } else if ($snort_arch == 'x64') {
- exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} so_rules/precompiled/$freebsd_version_so/x86-64/2.9.0.5/");
- exec("/bin/mv -f {$snortdir}/so_rules/precompiled/$freebsd_version_so/x86-64/2.9.0.5/* /usr/local/lib/snort/dynamicrules/");
- }
- /* extract so rules none bin and rename */
- exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} so_rules/bad-traffic.rules/" .
- " so_rules/chat.rules/" .
- " so_rules/dos.rules/" .
- " so_rules/exploit.rules/" .
- " so_rules/icmp.rules/" .
- " so_rules/imap.rules/" .
- " so_rules/misc.rules/" .
- " so_rules/multimedia.rules/" .
- " so_rules/netbios.rules/" .
- " so_rules/nntp.rules/" .
- " so_rules/p2p.rules/" .
- " so_rules/smtp.rules/" .
- " so_rules/sql.rules/" .
- " so_rules/web-activex.rules/" .
- " so_rules/web-client.rules/" .
- " so_rules/web-iis.rules/" .
- " so_rules/web-misc.rules/");
-
- exec("/bin/mv -f {$snortdir}/so_rules/bad-traffic.rules {$snortdir}/rules/snort_bad-traffic.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/chat.rules {$snortdir}/rules/snort_chat.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/dos.rules {$snortdir}/rules/snort_dos.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/exploit.rules {$snortdir}/rules/snort_exploit.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/icmp.rules {$snortdir}/rules/snort_icmp.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/imap.rules {$snortdir}/rules/snort_imap.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/misc.rules {$snortdir}/rules/snort_misc.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/multimedia.rules {$snortdir}/rules/snort_multimedia.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/netbios.rules {$snortdir}/rules/snort_netbios.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/nntp.rules {$snortdir}/rules/snort_nntp.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/p2p.rules {$snortdir}/rules/snort_p2p.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/smtp.rules {$snortdir}/rules/snort_smtp.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/sql.rules {$snortdir}/rules/snort_sql.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/web-activex.rules {$snortdir}/rules/snort_web-activex.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/web-client.rules {$snortdir}/rules/snort_web-client.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/web-iis.rules {$snortdir}/rules/snort_web-iis.so.rules");
- exec("/bin/mv -f {$snortdir}/so_rules/web-misc.rules {$snortdir}/rules/snort_web-misc.so.rules");
- exec("/bin/rm -r {$snortdir}/so_rules");
- }
-
- /* extract base etc files */
- exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} etc/");
- exec("/bin/mv -f {$snortdir}/etc/* {$snortdir}");
- exec("/bin/rm -r {$snortdir}/etc");
-
- update_status(gettext("Done extracting Snort.org Rules."));
- }else{
- update_status(gettext("Error extracting Snort.org Rules..."));
- update_output_window(gettext("Error Line 755"));
- $snortdownload = 'off';
- }
-}
-
-/* Untar emergingthreats rules to tmp */
-if ($emergingthreats == 'on')
-{
- if ($emerg_md5_check_ok != 'on')
- {
- if (file_exists("{$tmpfname}/{$emergingthreats_filename}"))
- {
- update_status(gettext("Extracting rules..."));
- update_output_window(gettext("May take a while..."));
- exec("/usr/bin/tar xzf {$tmpfname}/{$emergingthreats_filename} -C {$snortdir} rules/");
- }
- }
-}
-
-/* Untar Pfsense rules to tmp */
-if ($pfsensedownload == 'on' && $pfsense_md5_check_ok != 'on') {
- if (file_exists("{$tmpfname}/{$pfsense_rules_filename}")) {
- update_status(gettext("Extracting Pfsense rules..."));
- update_output_window(gettext("May take a while..."));
- exec("/usr/bin/tar xzf {$tmpfname}/{$pfsense_rules_filename} -C {$snortdir} rules/");
- }
-}
-
-/* Untar snort signatures */
-if ($snortdownload == 'on' && $snort_md5_check_ok != 'on') {
- if (file_exists("{$tmpfname}/{$snort_filename}")) {
- $signature_info_chk = $config['installedpackages']['snortglobal']['signatureinfo'];
- if ($premium_url_chk == 'on') {
- update_status(gettext("Extracting Signatures..."));
- update_output_window(gettext("May take a while..."));
- exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} doc/signatures/");
- update_status(gettext("Done extracting Signatures."));
- }
- }
-}
-
-/* Copy md5 sig to snort dir */
-if ($snortdownload == 'on')
-{
- if ($snort_md5_check_ok != 'on') {
- if (file_exists("{$tmpfname}/$snort_filename_md5")) {
- update_status(gettext("Copying md5 sig to snort directory..."));
- exec("/bin/cp {$tmpfname}/$snort_filename_md5 {$snortdir}/$snort_filename_md5");
- }else{
- update_status(gettext("The md5 file does not exist..."));
- update_output_window(gettext("Error copying config..."));
- $snortdownload = 'off';
- }
- }
-}
-
-/* Copy emergingthreats md5 sig to snort dir */
-if ($emergingthreats == "on")
-{
- if ($emerg_md5_check_ok != 'on')
- {
- if (file_exists("{$tmpfname}/$emergingthreats_filename_md5"))
- {
- update_status(gettext("Copying md5 sig to snort directory..."));
- exec("/bin/cp {$tmpfname}/$emergingthreats_filename_md5 {$snortdir}/$emergingthreats_filename_md5");
- }else{
- update_status(gettext("The emergingthreats md5 file does not exist..."));
- update_output_window(gettext("Error copying config..."));
- $emergingthreats = 'off';
- }
- }
-}
-
-/* Copy Pfsense md5 sig to snort dir */
-if ($pfsensedownload == 'on' && $pfsense_md5_check_ok != 'on') {
- if (file_exists("{$tmpfname}/$pfsense_rules_filename_md5")) {
- update_status(gettext("Copying Pfsense md5 sig to snort directory..."));
- exec("/bin/cp {$tmpfname}/$pfsense_rules_filename_md5 {$snortdir}/$pfsense_rules_filename_md5");
- } else {
- update_status(gettext("The Pfsense md5 file does not exist..."));
- update_output_window(gettext("Error copying config..."));
- $pfsensedownload = 'off';
- }
-}
-
-/* Copy signatures dir to snort dir */
-if ($snortdownload == 'on')
-{
- if ($snort_md5_check_ok != 'on')
- {
- $signature_info_chk = $config['installedpackages']['snortglobal']['signatureinfo'];
- if ($premium_url_chk == 'on')
- {
- if (file_exists("{$snortdir}/doc/signatures")) {
- update_status(gettext("Copying signatures..."));
- update_output_window(gettext("May take a while..."));
- exec("/bin/mv -f {$snortdir}/doc/signatures {$snortdir}/signatures");
- exec("/bin/rm -r {$snortdir}/doc/signatures");
- update_status(gettext("Done copying signatures."));
- }else{
- update_status(gettext("Directory signatures exist..."));
- update_output_window(gettext("Error copying signature..."));
- $snortdownload = 'off';
- }
- }
- }
-}
-
-/* double make shure cleanup emerg rules that dont belong */
-if (file_exists("/usr/local/etc/snort/rules/emerging-botcc-BLOCK.rules")) {
- apc_clear_cache();
- @unlink("/usr/local/etc/snort/rules/emerging-botcc-BLOCK.rules");
- @unlink("/usr/local/etc/snort/rules/emerging-botcc.rules");
- @unlink("/usr/local/etc/snort/rules/emerging-compromised-BLOCK.rules");
- @unlink("/usr/local/etc/snort/rules/emerging-drop-BLOCK.rules");
- @unlink("/usr/local/etc/snort/rules/emerging-dshield-BLOCK.rules");
- @unlink("/usr/local/etc/snort/rules/emerging-rbn-BLOCK.rules");
- @unlink("/usr/local/etc/snort/rules/emerging-tor-BLOCK.rules");
-}
-
-if (file_exists("/usr/local/lib/snort/dynamicrules/lib_sfdynamic_example_rule.so")) {
- exec("/bin/rm /usr/local/lib/snort/dynamicrules/lib_sfdynamic_example_rule.so");
- exec("/bin/rm /usr/local/lib/snort/dynamicrules/lib_sfdynamic_example\*");
-}
-
-/* make shure default rules are in the right format */
-exec("/usr/local/bin/perl -pi -e 's/#alert/# alert/g' /usr/local/etc/snort/rules/*.rules");
-exec("/usr/local/bin/perl -pi -e 's/##alert/# alert/g' /usr/local/etc/snort/rules/*.rules");
-exec("/usr/local/bin/perl -pi -e 's/## alert/# alert/g' /usr/local/etc/snort/rules/*.rules");
-
-/* create a msg-map for snort */
-update_status(gettext("Updating Alert Messages..."));
-update_output_window(gettext("Please Wait..."));
-exec("/usr/local/bin/perl /usr/local/bin/create-sidmap.pl /usr/local/etc/snort/rules > /usr/local/etc/snort/sid-msg.map");
-
-
-//////////////////
-/* open oinkmaster_conf for writing" function */
-function oinkmaster_conf($id, $if_real, $iface_uuid)
-{
- global $config, $g, $snort_md5_check_ok, $emerg_md5_check_ok, $pfsense_md5_check_ok;
-
- @unlink("/usr/local/etc/snort/snort_{$iface_uuid}_{$if_real}/oinkmaster_{$iface_uuid}_{$if_real}.conf");
-
- /* enable disable setting will carry over with updates */
- /* TODO carry signature changes with the updates */
- if ($snort_md5_check_ok != 'on' || $emerg_md5_check_ok != 'on' || $pfsense_md5_check_ok != 'on') {
-
- $selected_sid_on_section = "";
- $selected_sid_off_sections = "";
-
- if (!empty($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_on'])) {
- $enabled_sid_on = trim($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_on']);
- $enabled_sid_on_array = split('\|\|', $enabled_sid_on);
- foreach($enabled_sid_on_array as $enabled_item_on)
- $selected_sid_on_sections .= "$enabled_item_on\n";
- }
-
- if (!empty($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_off'])) {
- $enabled_sid_off = trim($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_off']);
- $enabled_sid_off_array = split('\|\|', $enabled_sid_off);
- foreach($enabled_sid_off_array as $enabled_item_off)
- $selected_sid_off_sections .= "$enabled_item_off\n";
- }
-
- if (!empty($selected_sid_off_sections) || !empty($selected_sid_on_section)) {
- $snort_sid_text = <<<EOD
-
-###########################################
-# #
-# this is auto generated on snort updates #
-# #
-###########################################
-
-path = /bin:/usr/bin:/usr/local/bin
-
-update_files = \.rules$|\.config$|\.conf$|\.txt$|\.map$
-
-url = dir:///usr/local/etc/snort/rules
-
-$selected_sid_on_sections
-
-$selected_sid_off_sections
-
-EOD;
-
- /* open snort's oinkmaster.conf for writing */
- @file_put_contents("/usr/local/etc/snort/snort_{$iface_uuid}_{$if_real}/oinkmaster_{$iface_uuid}_{$if_real}.conf", $snort_sid_text);
- }
- }
-}
-
-/* Run oinkmaster to snort_wan and cp configs */
-/* If oinkmaster is not needed cp rules normally */
-/* TODO add per interface settings here */
-function oinkmaster_run($id, $if_real, $iface_uuid)
-{
- global $config, $g, $snortdir_wan, $snortdir, $snort_md5_check_ok, $emerg_md5_check_ok, $pfsense_md5_check_ok;
-
- if ($snort_md5_check_ok != 'on' || $emerg_md5_check_ok != 'on' || $pfsense_md5_check_ok != 'on') {
- if (empty($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_on']) && empty($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_off'])) {
- update_status(gettext("Your first set of rules are being copied..."));
- update_output_window(gettext("May take a while..."));
- exec("/bin/cp {$snortdir}/rules/* {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}/rules/");
- exec("/bin/cp {$snortdir}/classification.config {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/gen-msg.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/generators {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/reference.config {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/sid {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/sid-msg.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/unicode.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- } else {
- update_status(gettext("Your enable and disable changes are being applied to your fresh set of rules..."));
- update_output_window(gettext("May take a while..."));
- exec("/bin/cp {$snortdir}/rules/* {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}/rules/");
- exec("/bin/cp {$snortdir}/classification.config {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/gen-msg.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/generators {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/reference.config {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/sid {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/sid-msg.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
- exec("/bin/cp {$snortdir}/unicode.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}");
-
- /* might have to add a sleep for 3sec for flash drives or old drives */
- exec("/usr/local/bin/perl /usr/local/bin/oinkmaster.pl -C /usr/local/etc/snort/snort_{$iface_uuid}_{$if_real}/oinkmaster_{$iface_uuid}_{$if_real}.conf -o /usr/local/etc/snort/snort_{$iface_uuid}_{$if_real}/rules > /usr/local/etc/snort/oinkmaster_{$iface_uuid}_{$if_real}.log");
-
- }
- }
-}
-
-/* Start the proccess for every interface rule */
-/* TODO: try to make the code smother */
-if (is_array($config['installedpackages']['snortglobal']['rule']))
-{
- foreach ($config['installedpackages']['snortglobal']['rule'] as $id => $value) {
- $result_lan = $value['interface'];
- $if_real = snort_get_real_interface($result_lan);
- $iface_uuid = $value['uuid'];
-
- /* make oinkmaster.conf for each interface rule */
- oinkmaster_conf($id, $if_real, $iface_uuid);
-
- /* run oinkmaster for each interface rule */
- oinkmaster_run($id, $if_real, $iface_uuid);
- }
-}
-
-//////////////
-
-/* mark the time update finnished */
-$config['installedpackages']['snortglobal']['last_rules_install'] = date("Y-M-jS-h:i-A");
-
-/* remove old $tmpfname files */
-if (is_dir('/usr/local/etc/snort/tmp')) {
- update_status(gettext("Cleaning up..."));
- exec("/bin/rm -r /usr/local/etc/snort/tmp/snort_rules_up");
- sleep(2);
- exec("/bin/rm -r /usr/local/etc/snort/tmp/rules_bk");
-}
-
-/* XXX: These are needed if snort is run as snort user
-mwexec("/usr/sbin/chown -R snort:snort /var/log/snort", true);
-mwexec("/usr/sbin/chown -R snort:snort /usr/local/etc/snort", true);
-mwexec("/usr/sbin/chown -R snort:snort /usr/local/lib/snort", true);
-*/
-/* make all dirs snorts */
-mwexec("/bin/chmod -R 755 /var/log/snort", true);
-mwexec("/bin/chmod -R 755 /usr/local/etc/snort", true);
-mwexec("/bin/chmod -R 755 /usr/local/lib/snort", true);
-
-if ($snortdownload == 'off' && $emergingthreats == 'off' && $pfsensedownload == 'off')
- update_output_window(gettext("Finished..."));
-else if ($snort_md5_check_ok == 'on' && $emerg_md5_check_ok == 'on' && $pfsense_md5_check_ok == 'on')
- update_output_window(gettext("Finished..."));
-else {
- /* You are Not Up to date, always stop snort when updating rules for low end machines */;
- update_status(gettext("You are NOT up to date..."));
- exec("/bin/sh /usr/local/etc/rc.d/snort.sh start");
- update_status(gettext("The Rules update finished..."));
- update_output_window(gettext("Snort has restarted with your new set of rules..."));
- exec("/bin/rm /tmp/snort_download_halt.pid");
-}
-
-update_status(gettext("The Rules update finished..."));
-conf_mount_ro();
-
-?>
+<?php +/* + snort_check_for_rule_updates.php + Copyright (C) 2006 Scott Ullrich + Copyright (C) 2009 Robert Zelaya + Copyright (C) 2011 Ermal Luci + 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. + */ + +/* Setup enviroment */ + +/* TODO: review if include files are needed */ +require_once("functions.inc"); +require_once("service-utils.inc"); +require_once("/usr/local/pkg/snort/snort.inc"); + +$pkg_interface = "console"; + +$tmpfname = "/usr/local/etc/snort/tmp/snort_rules_up"; +$snortdir = "/usr/local/etc/snort"; +$snortdir_wan = "/usr/local/etc/snort"; +$snort_filename_md5 = "{$snort_rules_file}.md5"; +$snort_filename = "{$snort_rules_file}"; +$emergingthreats_filename_md5 = "emerging.rules.tar.gz.md5"; +$emergingthreats_filename = "emerging.rules.tar.gz"; +$pfsense_rules_filename_md5 = "pfsense_rules.tar.gz.md5"; +$pfsense_rules_filename = "pfsense_rules.tar.gz"; + +/* Time stamps define */ +$last_md5_download = $config['installedpackages']['snortglobal']['last_md5_download']; +$last_rules_install = $config['installedpackages']['snortglobal']['last_rules_install']; + +$up_date_time = date('l jS \of F Y h:i:s A'); +echo "\n"; +echo "#########################\n"; +echo "$up_date_time\n"; +echo "#########################\n"; +echo "\n\n"; + +/* define checks */ +$oinkid = $config['installedpackages']['snortglobal']['oinkmastercode']; +$snortdownload = $config['installedpackages']['snortglobal']['snortdownload']; +$emergingthreats = $config['installedpackages']['snortglobal']['emergingthreats']; + +if ($snortdownload == 'off' && $emergingthreats != 'on') + $snort_emrging_info = 'stop'; + +if ($oinkid == "" && $snortdownload != 'off') + $snort_oinkid_info = 'stop'; + +/* check if main rule directory is empty */ +$if_mrule_dir = "/usr/local/etc/snort/rules"; +$mfolder_chk = (count(glob("$if_mrule_dir/*")) === 0) ? 'empty' : 'full'; + +if (file_exists('/var/run/snort.conf.dirty')) + $snort_dirty_d = 'stop'; + +/* Start of code */ +conf_mount_rw(); + +if (!is_dir('/usr/local/etc/snort/tmp')) + exec('/bin/mkdir -p /usr/local/etc/snort/tmp'); + +$snort_md5_check_ok = 'off'; +$emerg_md5_check_ok = 'off'; +$pfsense_md5_check_ok = 'off'; + +/* Set user agent to Mozilla */ +ini_set('user_agent','Mozilla/4.0 (compatible; MSIE 6.0)'); +ini_set("memory_limit","150M"); + +/* mark the time update started */ +$config['installedpackages']['snortglobal']['last_md5_download'] = date("Y-M-jS-h:i-A"); + +/* send current buffer */ +ob_flush(); + +/* send current buffer */ +ob_flush(); + +/* remove old $tmpfname files */ +if (is_dir("{$tmpfname}")) { + update_status(gettext("Removing old tmp files...")); + exec("/bin/rm -r {$tmpfname}"); + apc_clear_cache(); +} + +/* Make shure snortdir exits */ +exec("/bin/mkdir -p {$snortdir}"); +exec("/bin/mkdir -p {$snortdir}/rules"); +exec("/bin/mkdir -p {$snortdir}/signatures"); +exec("/bin/mkdir -p {$tmpfname}"); +exec("/bin/mkdir -p /usr/local/lib/snort/dynamicrules/"); + +/* send current buffer */ +ob_flush(); + +$pfsensedownload = 'on'; + +/* download md5 sig from snort.org */ +if ($snortdownload == 'on') +{ + if (file_exists("{$tmpfname}/{$snort_filename_md5}") && + filesize("{$tmpfname}/{$snort_filename_md5}") > 0) { + update_status(gettext("snort.org md5 temp file exists...")); + } else { + update_status(gettext("Downloading snort.org md5 file...")); + ini_set('user_agent','Mozilla/4.0 (compatible; MSIE 6.0)'); + + //$image = @file_get_contents("http://www.mtest.local/pub-bin/oinkmaster.cgi/{$oinkid}/{$snort_filename_md5}"); + $image = @file_get_contents("http://www.snort.org/pub-bin/oinkmaster.cgi/{$oinkid}/{$snort_filename_md5}"); + @file_put_contents("{$tmpfname}/{$snort_filename_md5}", $image); + update_status(gettext("Done downloading snort.org md5")); + } +} + +/* download md5 sig from emergingthreats.net */ +if ($emergingthreats == 'on') +{ + update_status(gettext("Downloading emergingthreats md5 file...")); + ini_set('user_agent','Mozilla/4.0 (compatible; MSIE 6.0)'); + // $image = @file_get_contents("http://www.mtest.local/pub-bin/oinkmaster.cgi/{$oinkid}/version.txt"); + $image = @file_get_contents('http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz.md5'); + @file_put_contents("{$tmpfname}/{$emergingthreats_filename_md5}", $image); + update_status(gettext("Done downloading emergingthreats md5")); +} + +/* download md5 sig from pfsense.org */ +if (file_exists("{$tmpfname}/{$pfsense_rules_filename_md5}")) { + update_status(gettext("pfsense md5 temp file exists...")); +} else { + update_status(gettext("Downloading pfsense md5 file...")); + ini_set('user_agent','Mozilla/4.0 (compatible; MSIE 6.0)'); + //$image = @file_get_contents("http://www.mtest.local/pub-bin/oinkmaster.cgi/{$oinkid}/pfsense_rules.tar.gz.md5"); + $image = @file_get_contents("http://www.pfsense.com/packages/config/snort/pfsense_rules/pfsense_rules.tar.gz.md5"); + @file_put_contents("{$tmpfname}/pfsense_rules.tar.gz.md5", $image); + update_status(gettext("Done downloading pfsense md5.")); +} + +/* If md5 file is empty wait 15min exit */ +if ($snortdownload == 'on') +{ + if (0 == filesize("{$tmpfname}/{$snort_filename_md5}")) + { + update_status(gettext("Please wait... You may only check for New Rules every 15 minutes...")); + update_output_window(gettext("Rules are released every month from snort.org. You may download the Rules at any time.")); + $snortdownload = 'off'; + } +} + +/* If pfsense md5 file is empty wait 15min exit */ +if (0 == filesize("{$tmpfname}/$pfsense_rules_filename_md5")){ + update_status(gettext("Please wait... You may only check for New Pfsense Rules every 15 minutes...")); + update_output_window(gettext("Rules are released to support Pfsense packages.")); + $pfsensedownload = 'off'; +} + +/* Check if were up to date snort.org */ +if ($snortdownload == 'on') +{ + if (file_exists("{$snortdir}/{$snort_filename_md5}")) + { + $md5_check_new_parse = file_get_contents("{$tmpfname}/{$snort_filename_md5}"); + $md5_check_new = `/bin/echo "{$md5_check_new_parse}" | /usr/bin/awk '{ print $1 }'`; + $md5_check_old_parse = file_get_contents("{$snortdir}/{$snort_filename_md5}"); + $md5_check_old = `/bin/echo "{$md5_check_old_parse}" | /usr/bin/awk '{ print $1 }'`; + if ($md5_check_new == $md5_check_old) + { + update_status(gettext("Your rules are up to date...")); + update_output_window(gettext("You may start Snort now, check update.")); + $snort_md5_check_ok = 'on'; + } else { + update_status(gettext("Your rules are not up to date...")); + $snort_md5_check_ok = 'off'; + } + } +} + +/* Check if were up to date emergingthreats.net */ +if ($emergingthreats == 'on') +{ + if (file_exists("{$snortdir}/{$emergingthreats_filename_md5}")) + { + $emerg_md5_check_new_parse = file_get_contents("{$tmpfname}/{$emergingthreats_filename_md5}"); + $emerg_md5_check_new = `/bin/echo "{$emerg_md5_check_new_parse}" | /usr/bin/awk '{ print $1 }'`; + $emerg_md5_check_old_parse = file_get_contents("{$snortdir}/{$emergingthreats_filename_md5}"); + $emerg_md5_check_old = `/bin/echo "{$emerg_md5_check_old_parse}" | /usr/bin/awk '{ print $1 }'`; + if ($emerg_md5_check_new == $emerg_md5_check_old) + { + $emerg_md5_check_ok = 'on'; + } else + $emerg_md5_check_ok = 'off'; + } +} + +/* Check if were up to date pfsense.org */ +if ($pfsensedownload == 'on' && file_exists("{$snortdir}/pfsense_rules.tar.gz.md5")) +{ + $pfsense_check_new_parse = file_get_contents("{$tmpfname}/pfsense_rules.tar.gz.md5"); + $pfsense_md5_check_new = `/bin/echo "{$pfsense_md5_check_new_parse}" | /usr/bin/awk '{ print $1 }'`; + $pfsense_md5_check_old_parse = file_get_contents("{$snortdir}/pfsense_rules.tar.gz.md5"); + $pfsense_md5_check_old = `/bin/echo "{$pfsense_md5_check_old_parse}" | /usr/bin/awk '{ print $1 }'`; + if ($pfsense_md5_check_new == $pfsense_md5_check_old) + { + $pfsense_md5_check_ok = 'on'; + } else + $pfsense_md5_check_ok = 'off'; +} + +if ($snortdownload == 'on') { + if ($snort_md5_check_ok == 'on') + { + update_status(gettext("Your snort.org rules are up to date...")); + update_output_window(gettext("You may start Snort now...")); + $snortdownload = 'off'; + } +} +if ($emergingthreats == 'on') { + if ($emerg_md5_check_ok == 'on') + { + update_status(gettext("Your Emergingthreats rules are up to date...")); + update_output_window(gettext("You may start Snort now...")); + $emergingthreats = 'off'; + } +} + +/* download snortrules file */ +if ($snortdownload == 'on') +{ + if ($snort_md5_check_ok != 'on') { + if (file_exists("{$tmpfname}/{$snort_filename}")) { + update_status(gettext("Snortrule tar file exists...")); + } else { + update_status(gettext("There is a new set of Snort.org rules posted. Downloading...")); + update_output_window(gettext("May take 4 to 10 min...")); + download_file_with_progress_bar("http://www.snort.org/pub-bin/oinkmaster.cgi/{$oinkid}/{$snort_filename}", "{$tmpfname}/{$snort_filename}"); + update_all_status($static_output); + update_status(gettext("Done downloading rules file.")); + if (300000 > filesize("{$tmpfname}/$snort_filename")){ + update_status(gettext("Error with the snort rules download...")); + update_output_window(gettext("Snort rules file downloaded failed...")); + $snortdownload = 'off'; + } + } + } +} + +/* download emergingthreats rules file */ +if ($emergingthreats == "on") +{ + if ($emerg_md5_check_ok != 'on') + { + if (file_exists("{$tmpfname}/{$emergingthreats_filename}")) + { + update_status(gettext('Emergingthreats tar file exists...')); + }else{ + update_status(gettext("There is a new set of Emergingthreats rules posted. Downloading...")); + update_output_window(gettext("May take 4 to 10 min...")); + download_file_with_progress_bar('http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz', "{$tmpfname}/{$emergingthreats_filename}"); + update_status(gettext('Done downloading Emergingthreats rules file.')); + } + } +} + +/* download pfsense rules file */ +if ($pfsensedownload == 'on' && $pfsense_md5_check_ok != 'on') { + if (file_exists("{$tmpfname}/{$pfsense_rules_filename}")) { + update_status(gettext("Snortrule tar file exists...")); + } else { + update_status(gettext("There is a new set of Pfsense rules posted. Downloading...")); + update_output_window(gettext("May take 4 to 10 min...")); + download_file_with_progress_bar("http://www.pfsense.com/packages/config/snort/pfsense_rules/pfsense_rules.tar.gz", $tmpfname . "/{$pfsense_rules_filename}"); + update_all_status($static_output); + update_status(gettext("Done downloading rules file.")); + } +} + +/* Compair md5 sig to file sig */ + +//$premium_url_chk = $config['installedpackages']['snort']['config'][0]['subscriber']; +//if ($premium_url_chk == on) { +//$md5 = file_get_contents("{$tmpfname}/{$snort_filename_md5}"); +//$file_md5_ondisk = `/sbin/md5 {$tmpfname}/{$snort_filename} | /usr/bin/awk '{ print $4 }'`; +// if ($md5 == $file_md5_ondisk) { +// update_status(gettext("Valid md5 checksum pass...")); +//} else { +// update_status(gettext("The downloaded file does not match the md5 file...P is ON")); +// update_output_window(gettext("Error md5 Mismatch...")); +// return; +// } +//} + +//$premium_url_chk = $config['installedpackages']['snort']['config'][0]['subscriber']; +//if ($premium_url_chk != on) { +//$md55 = `/bin/cat {$tmpfname}/{$snort_filename_md5} | /usr/bin/awk '{ print $4 }'`; +//$file_md5_ondisk2 = `/sbin/md5 {$tmpfname}/{$snort_filename} | /usr/bin/awk '{ print $4 }'`; +// if ($md55 == $file_md5_ondisk2) { +// update_status(gettext("Valid md5 checksum pass...")); +//} else { +// update_status(gettext("The downloaded file does not match the md5 file...Not P")); +// update_output_window(gettext("Error md5 Mismatch...")); +// return; +// } +//} + +/* Untar snort rules file individually to help people with low system specs */ +if ($snortdownload == 'on') +{ + if ($snort_md5_check_ok != 'on') { + if (file_exists("{$tmpfname}/{$snort_filename}")) { + + if ($pfsense_stable == 'yes') + $freebsd_version_so = 'FreeBSD-7-2'; + else + $freebsd_version_so = 'FreeBSD-8-1'; + + update_status(gettext("Extracting Snort.org rules...")); + update_output_window(gettext("May take a while...")); + /* extract snort.org rules and add prefix to all snort.org files*/ + exec("/bin/rm -r {$snortdir}/rules"); + sleep(2); + exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} rules/"); + chdir ("/usr/local/etc/snort/rules"); + sleep(2); + exec('/usr/local/bin/perl /usr/local/bin/snort_rename.pl s/^/snort_/ *.rules'); + + /* extract so rules */ + exec('/bin/mkdir -p /usr/local/lib/snort/dynamicrules/'); + if($snort_arch == 'x86'){ + exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} so_rules/precompiled/$freebsd_version_so/i386/2.9.0.5/"); + exec("/bin/mv -f {$snortdir}/so_rules/precompiled/$freebsd_version_so/i386/2.9.0.5/* /usr/local/lib/snort/dynamicrules/"); + } else if ($snort_arch == 'x64') { + exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} so_rules/precompiled/$freebsd_version_so/x86-64/2.9.0.5/"); + exec("/bin/mv -f {$snortdir}/so_rules/precompiled/$freebsd_version_so/x86-64/2.9.0.5/* /usr/local/lib/snort/dynamicrules/"); + } + /* extract so rules none bin and rename */ + exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} so_rules/bad-traffic.rules/" . + " so_rules/chat.rules/" . + " so_rules/dos.rules/" . + " so_rules/exploit.rules/" . + " so_rules/icmp.rules/" . + " so_rules/imap.rules/" . + " so_rules/misc.rules/" . + " so_rules/multimedia.rules/" . + " so_rules/netbios.rules/" . + " so_rules/nntp.rules/" . + " so_rules/p2p.rules/" . + " so_rules/smtp.rules/" . + " so_rules/sql.rules/" . + " so_rules/web-activex.rules/" . + " so_rules/web-client.rules/" . + " so_rules/web-iis.rules/" . + " so_rules/web-misc.rules/"); + + exec("/bin/mv -f {$snortdir}/so_rules/bad-traffic.rules {$snortdir}/rules/snort_bad-traffic.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/chat.rules {$snortdir}/rules/snort_chat.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/dos.rules {$snortdir}/rules/snort_dos.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/exploit.rules {$snortdir}/rules/snort_exploit.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/icmp.rules {$snortdir}/rules/snort_icmp.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/imap.rules {$snortdir}/rules/snort_imap.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/misc.rules {$snortdir}/rules/snort_misc.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/multimedia.rules {$snortdir}/rules/snort_multimedia.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/netbios.rules {$snortdir}/rules/snort_netbios.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/nntp.rules {$snortdir}/rules/snort_nntp.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/p2p.rules {$snortdir}/rules/snort_p2p.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/smtp.rules {$snortdir}/rules/snort_smtp.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/sql.rules {$snortdir}/rules/snort_sql.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/web-activex.rules {$snortdir}/rules/snort_web-activex.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/web-client.rules {$snortdir}/rules/snort_web-client.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/web-iis.rules {$snortdir}/rules/snort_web-iis.so.rules"); + exec("/bin/mv -f {$snortdir}/so_rules/web-misc.rules {$snortdir}/rules/snort_web-misc.so.rules"); + exec("/bin/rm -r {$snortdir}/so_rules"); + } + + /* extract base etc files */ + exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} etc/"); + exec("/bin/mv -f {$snortdir}/etc/* {$snortdir}"); + exec("/bin/rm -r {$snortdir}/etc"); + + update_status(gettext("Done extracting Snort.org Rules.")); + }else{ + update_status(gettext("Error extracting Snort.org Rules...")); + update_output_window(gettext("Error Line 755")); + $snortdownload = 'off'; + } +} + +/* Untar emergingthreats rules to tmp */ +if ($emergingthreats == 'on') +{ + if ($emerg_md5_check_ok != 'on') + { + if (file_exists("{$tmpfname}/{$emergingthreats_filename}")) + { + update_status(gettext("Extracting rules...")); + update_output_window(gettext("May take a while...")); + exec("/usr/bin/tar xzf {$tmpfname}/{$emergingthreats_filename} -C {$snortdir} rules/"); + } + } +} + +/* Untar Pfsense rules to tmp */ +if ($pfsensedownload == 'on' && $pfsense_md5_check_ok != 'on') { + if (file_exists("{$tmpfname}/{$pfsense_rules_filename}")) { + update_status(gettext("Extracting Pfsense rules...")); + update_output_window(gettext("May take a while...")); + exec("/usr/bin/tar xzf {$tmpfname}/{$pfsense_rules_filename} -C {$snortdir} rules/"); + } +} + +/* Untar snort signatures */ +if ($snortdownload == 'on' && $snort_md5_check_ok != 'on') { + if (file_exists("{$tmpfname}/{$snort_filename}")) { + $signature_info_chk = $config['installedpackages']['snortglobal']['signatureinfo']; + if ($premium_url_chk == 'on') { + update_status(gettext("Extracting Signatures...")); + update_output_window(gettext("May take a while...")); + exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} doc/signatures/"); + update_status(gettext("Done extracting Signatures.")); + } + } +} + +/* Copy md5 sig to snort dir */ +if ($snortdownload == 'on') +{ + if ($snort_md5_check_ok != 'on') { + if (file_exists("{$tmpfname}/$snort_filename_md5")) { + update_status(gettext("Copying md5 sig to snort directory...")); + exec("/bin/cp {$tmpfname}/$snort_filename_md5 {$snortdir}/$snort_filename_md5"); + }else{ + update_status(gettext("The md5 file does not exist...")); + update_output_window(gettext("Error copying config...")); + $snortdownload = 'off'; + } + } +} + +/* Copy emergingthreats md5 sig to snort dir */ +if ($emergingthreats == "on") +{ + if ($emerg_md5_check_ok != 'on') + { + if (file_exists("{$tmpfname}/$emergingthreats_filename_md5")) + { + update_status(gettext("Copying md5 sig to snort directory...")); + exec("/bin/cp {$tmpfname}/$emergingthreats_filename_md5 {$snortdir}/$emergingthreats_filename_md5"); + }else{ + update_status(gettext("The emergingthreats md5 file does not exist...")); + update_output_window(gettext("Error copying config...")); + $emergingthreats = 'off'; + } + } +} + +/* Copy Pfsense md5 sig to snort dir */ +if ($pfsensedownload == 'on' && $pfsense_md5_check_ok != 'on') { + if (file_exists("{$tmpfname}/$pfsense_rules_filename_md5")) { + update_status(gettext("Copying Pfsense md5 sig to snort directory...")); + exec("/bin/cp {$tmpfname}/$pfsense_rules_filename_md5 {$snortdir}/$pfsense_rules_filename_md5"); + } else { + update_status(gettext("The Pfsense md5 file does not exist...")); + update_output_window(gettext("Error copying config...")); + $pfsensedownload = 'off'; + } +} + +/* Copy signatures dir to snort dir */ +if ($snortdownload == 'on') +{ + if ($snort_md5_check_ok != 'on') + { + $signature_info_chk = $config['installedpackages']['snortglobal']['signatureinfo']; + if ($premium_url_chk == 'on') + { + if (file_exists("{$snortdir}/doc/signatures")) { + update_status(gettext("Copying signatures...")); + update_output_window(gettext("May take a while...")); + exec("/bin/mv -f {$snortdir}/doc/signatures {$snortdir}/signatures"); + exec("/bin/rm -r {$snortdir}/doc/signatures"); + update_status(gettext("Done copying signatures.")); + }else{ + update_status(gettext("Directory signatures exist...")); + update_output_window(gettext("Error copying signature...")); + $snortdownload = 'off'; + } + } + } +} + +/* double make shure cleanup emerg rules that dont belong */ +if (file_exists("/usr/local/etc/snort/rules/emerging-botcc-BLOCK.rules")) { + apc_clear_cache(); + @unlink("/usr/local/etc/snort/rules/emerging-botcc-BLOCK.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-botcc.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-compromised-BLOCK.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-drop-BLOCK.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-dshield-BLOCK.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-rbn-BLOCK.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-tor-BLOCK.rules"); +} + +if (file_exists("/usr/local/lib/snort/dynamicrules/lib_sfdynamic_example_rule.so")) { + exec("/bin/rm /usr/local/lib/snort/dynamicrules/lib_sfdynamic_example_rule.so"); + exec("/bin/rm /usr/local/lib/snort/dynamicrules/lib_sfdynamic_example\*"); +} + +/* make shure default rules are in the right format */ +exec("/usr/local/bin/perl -pi -e 's/#alert/# alert/g' /usr/local/etc/snort/rules/*.rules"); +exec("/usr/local/bin/perl -pi -e 's/##alert/# alert/g' /usr/local/etc/snort/rules/*.rules"); +exec("/usr/local/bin/perl -pi -e 's/## alert/# alert/g' /usr/local/etc/snort/rules/*.rules"); + +/* create a msg-map for snort */ +update_status(gettext("Updating Alert Messages...")); +update_output_window(gettext("Please Wait...")); +exec("/usr/local/bin/perl /usr/local/bin/create-sidmap.pl /usr/local/etc/snort/rules > /usr/local/etc/snort/sid-msg.map"); + + +////////////////// +/* open oinkmaster_conf for writing" function */ +function oinkmaster_conf($id, $if_real, $iface_uuid) +{ + global $config, $g, $snort_md5_check_ok, $emerg_md5_check_ok, $pfsense_md5_check_ok; + + @unlink("/usr/local/etc/snort/snort_{$iface_uuid}_{$if_real}/oinkmaster_{$iface_uuid}_{$if_real}.conf"); + + /* enable disable setting will carry over with updates */ + /* TODO carry signature changes with the updates */ + if ($snort_md5_check_ok != 'on' || $emerg_md5_check_ok != 'on' || $pfsense_md5_check_ok != 'on') { + + $selected_sid_on_section = ""; + $selected_sid_off_sections = ""; + + if (!empty($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_on'])) { + $enabled_sid_on = trim($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_on']); + $enabled_sid_on_array = split('\|\|', $enabled_sid_on); + foreach($enabled_sid_on_array as $enabled_item_on) + $selected_sid_on_sections .= "$enabled_item_on\n"; + } + + if (!empty($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_off'])) { + $enabled_sid_off = trim($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_off']); + $enabled_sid_off_array = split('\|\|', $enabled_sid_off); + foreach($enabled_sid_off_array as $enabled_item_off) + $selected_sid_off_sections .= "$enabled_item_off\n"; + } + + if (!empty($selected_sid_off_sections) || !empty($selected_sid_on_section)) { + $snort_sid_text = <<<EOD + +########################################### +# # +# this is auto generated on snort updates # +# # +########################################### + +path = /bin:/usr/bin:/usr/local/bin + +update_files = \.rules$|\.config$|\.conf$|\.txt$|\.map$ + +url = dir:///usr/local/etc/snort/rules + +$selected_sid_on_sections + +$selected_sid_off_sections + +EOD; + + /* open snort's oinkmaster.conf for writing */ + @file_put_contents("/usr/local/etc/snort/snort_{$iface_uuid}_{$if_real}/oinkmaster_{$iface_uuid}_{$if_real}.conf", $snort_sid_text); + } + } +} + +/* Run oinkmaster to snort_wan and cp configs */ +/* If oinkmaster is not needed cp rules normally */ +/* TODO add per interface settings here */ +function oinkmaster_run($id, $if_real, $iface_uuid) +{ + global $config, $g, $snortdir_wan, $snortdir, $snort_md5_check_ok, $emerg_md5_check_ok, $pfsense_md5_check_ok; + + if ($snort_md5_check_ok != 'on' || $emerg_md5_check_ok != 'on' || $pfsense_md5_check_ok != 'on') { + if (empty($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_on']) && empty($config['installedpackages']['snortglobal']['rule'][$id]['rule_sid_off'])) { + update_status(gettext("Your first set of rules are being copied...")); + update_output_window(gettext("May take a while...")); + exec("/bin/cp {$snortdir}/rules/* {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}/rules/"); + exec("/bin/cp {$snortdir}/classification.config {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/gen-msg.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/generators {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/reference.config {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/sid {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/sid-msg.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/unicode.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + } else { + update_status(gettext("Your enable and disable changes are being applied to your fresh set of rules...")); + update_output_window(gettext("May take a while...")); + exec("/bin/cp {$snortdir}/rules/* {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}/rules/"); + exec("/bin/cp {$snortdir}/classification.config {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/gen-msg.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/generators {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/reference.config {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/sid {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/sid-msg.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + exec("/bin/cp {$snortdir}/unicode.map {$snortdir_wan}/snort_{$iface_uuid}_{$if_real}"); + + /* might have to add a sleep for 3sec for flash drives or old drives */ + exec("/usr/local/bin/perl /usr/local/bin/oinkmaster.pl -C /usr/local/etc/snort/snort_{$iface_uuid}_{$if_real}/oinkmaster_{$iface_uuid}_{$if_real}.conf -o /usr/local/etc/snort/snort_{$iface_uuid}_{$if_real}/rules > /usr/local/etc/snort/oinkmaster_{$iface_uuid}_{$if_real}.log"); + + } + } +} + +/* Start the proccess for every interface rule */ +/* TODO: try to make the code smother */ +if (is_array($config['installedpackages']['snortglobal']['rule'])) +{ + foreach ($config['installedpackages']['snortglobal']['rule'] as $id => $value) { + $result_lan = $value['interface']; + $if_real = snort_get_real_interface($result_lan); + $iface_uuid = $value['uuid']; + + /* make oinkmaster.conf for each interface rule */ + oinkmaster_conf($id, $if_real, $iface_uuid); + + /* run oinkmaster for each interface rule */ + oinkmaster_run($id, $if_real, $iface_uuid); + } +} + +////////////// + +/* mark the time update finnished */ +$config['installedpackages']['snortglobal']['last_rules_install'] = date("Y-M-jS-h:i-A"); + +/* remove old $tmpfname files */ +if (is_dir('/usr/local/etc/snort/tmp')) { + update_status(gettext("Cleaning up...")); + exec("/bin/rm -r /usr/local/etc/snort/tmp/snort_rules_up"); + sleep(2); + exec("/bin/rm -r /usr/local/etc/snort/tmp/rules_bk"); +} + +/* XXX: These are needed if snort is run as snort user +mwexec("/usr/sbin/chown -R snort:snort /var/log/snort", true); +mwexec("/usr/sbin/chown -R snort:snort /usr/local/etc/snort", true); +mwexec("/usr/sbin/chown -R snort:snort /usr/local/lib/snort", true); +*/ +/* make all dirs snorts */ +mwexec("/bin/chmod -R 755 /var/log/snort", true); +mwexec("/bin/chmod -R 755 /usr/local/etc/snort", true); +mwexec("/bin/chmod -R 755 /usr/local/lib/snort", true); + +if ($snortdownload == 'off' && $emergingthreats == 'off' && $pfsensedownload == 'off') + update_output_window(gettext("Finished...")); +else if ($snort_md5_check_ok == 'on' && $emerg_md5_check_ok == 'on' && $pfsense_md5_check_ok == 'on') + update_output_window(gettext("Finished...")); +else { + /* You are Not Up to date, always stop snort when updating rules for low end machines */; + update_status(gettext("You are NOT up to date...")); + exec("/bin/sh /usr/local/etc/rc.d/snort.sh start"); + update_status(gettext("The Rules update finished...")); + update_output_window(gettext("Snort has restarted with your new set of rules...")); + exec("/bin/rm /tmp/snort_download_halt.pid"); +} + +update_status(gettext("The Rules update finished...")); +conf_mount_ro(); + +?> |