diff options
Diffstat (limited to 'config/snort-dev/snort_download_rules.php')
| -rw-r--r-- | config/snort-dev/snort_download_rules.php | 776 |
1 files changed, 776 insertions, 0 deletions
diff --git a/config/snort-dev/snort_download_rules.php b/config/snort-dev/snort_download_rules.php new file mode 100644 index 00000000..521a7b0f --- /dev/null +++ b/config/snort-dev/snort_download_rules.php @@ -0,0 +1,776 @@ +<?php +/* + snort_download_rules.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 */ +require_once("guiconfig.inc"); +require_once("functions.inc"); +require_once("service-utils.inc"); +require_once("/usr/local/pkg/snort/snort.inc"); + +if ($_GET['return']) { + header("Location: /snort/snort_download_updates.php"); + exit; +} + +$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 = $config['installedpackages']['snortglobal']['last_rules_install']; + +/* define checks */ +$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')) + $snort_dirty_d = 'stop'; + +$pgtitle = "Services: Snort: Update Rules"; + +include("head.inc"); +?> + +<body link="#0000CC" vlink="#0000CC" alink="#0000CC"> + +<?php include("fbegin.inc"); ?> +<?if($pfsense_stable == 'yes'){echo '<p class="pgtitle">' . $pgtitle . '</p>';}?> + +<form action="/snort/snort_download_updates.php" method="GET"> +<table width="100%" border="0" cellpadding="0" cellspacing="0"> +<tr> + <td> + <div id="mainarea"> + <table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0"> + <tr> + <td ><!-- progress bar --> + <table id="progholder" width='320' + style='border-collapse: collapse; border: 1px solid #000000;' + cellpadding='2' cellspacing='2'> + <tr> + <td><img border='0' + src='../themes/<?= $g['theme']; ?>/images/misc/progress_bar.gif' + width='280' height='23' name='progressbar' id='progressbar' + alt='' /> + </td> + </tr> + </table> + <br /> + <!-- status box --> <textarea cols="60" rows="2" name="status" id="status" wrap="hard"> + <?=gettext("Initializing...");?> + </textarea> + <!-- command output box --> <textarea cols="60" rows="2" name="output" id="output" wrap="hard"> + </textarea> + </td> + </tr> + </table> + </div> + </td> +</tr> +<tr><td><input type="submit" Value="Return"></td></tr> +</table> +</form> +<?php include("fend.inc");?> +</body> +</html> + +<?php +/* Start of code */ +conf_mount_rw(); + +if (!is_dir('/usr/local/etc/snort/tmp')) + exec('/bin/mkdir -p /usr/local/etc/snort/tmp'); + +$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(); + +/* hide progress bar */ +hide_progress_bar_status(); + +/* 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 {$tmpfname}"); +exec("/bin/mkdir -p /usr/local/lib/snort/dynamicrules/"); + +/* send current buffer */ +ob_flush(); + +/* unhide progress bar and lets end this party */ +unhide_progress_bar_status(); + +$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.")); + hide_progress_bar_status(); + $snortdownload = 'off'; + } +} + +/* If pfsense md5 file is empty wait 15min exit */ +if (0 == filesize("{$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.")); + hide_progress_bar_status(); + $pfsensedownload = 'off'; +} + +/* Check if were up to date snort.org */ +if ($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.")); + hide_progress_bar_status(); + $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) + { + hide_progress_bar_status(); + $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) + { + hide_progress_bar_status(); + $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}/{$snort_filename}")) { + update_status(gettext("Snortrule tar file exists...")); + } else { + unhide_progress_bar_status(); + update_status(gettext("There is a new set of Snort.org rules posted. Downloading...")); + update_output_window(gettext("May take 4 to 10 min...")); + download_file_with_progress_bar("http://www.snort.org/pub-bin/oinkmaster.cgi/{$oinkid}/{$snort_filename}", "{$tmpfname}/{$snort_filename}"); + update_all_status($static_output); + update_status(gettext("Done downloading rules file.")); + if (150000 > 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 { + unhide_progress_bar_status(); + 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' && $snort_md5_check_ok != 'on') { + if (file_exists("{$tmpfname}/{$snort_filename}")) { + + // find out if were in 1.2.3-RELEASE + $pfsense_ver_chk = exec('/bin/cat /etc/version'); + if ($pfsense_ver_chk === '1.2.3-RELEASE') { + $pfsense_stable = 'yes'; + }else{ + $pfsense_stable = 'no'; + } + + // get the system arch + $snort_arch_ck = exec('/usr/bin/uname -m'); + if ($snort_arch_ck === 'i386') { + $snort_arch = 'i386'; + }else{ + $snort_arch = 'x86-64'; // amd64 + } + + if ($pfsense_stable === 'yes') { + $freebsd_version_so = 'FreeBSD-7-3'; + }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); + + $snort_dirList = scandir("{$snortdir}/rules"); // Waning: only in php 5 + $snortrules_filterList = snortscandirfilter($snort_dirList, '/.*\.rules/', '/\.rules/', ''); + + if (!empty($snortrules_filterList)) { + foreach ($snortrules_filterList as $snort_rule_move) + { + exec("/bin/mv -f {$snortdir}/rules/{$snort_rule_move}.rules {$snortdir}/rules/snort_{$snort_rule_move}.rules"); + } + } + + /* extract so_rules */ + + // list so_rules and exclude dir + exec("/usr/bin/tar --exclude='precompiled' --exclude='src' -tf {$tmpfname}/{$snort_filename} so_rules", $so_rules_list); + + $so_rulesPattr = array('/\//', '/\.rules/'); + $so_rulesPattw = array('', ''); + + // build list of so_rules + $so_rules_filterList = snortscandirfilter($so_rules_list, '/\/.*\.rules/', $so_rulesPattr, $so_rulesPattw); + + if (!empty($so_rules_filterList)) { + // cp rule to so tmp dir + foreach ($so_rules_filterList as $so_rule) + { + + exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} so_rules/{$so_rule}.rules"); + + } + // mv and rename so rules + foreach ($so_rules_filterList as $so_rule_move) + { + exec("/bin/mv -f {$snortdir}/so_rules/{$so_rule_move}.rules {$snortdir}/rules/snort_{$so_rule_move}.so.rules"); + } + } + + /* extract preproc_rules */ + + // list so_rules and exclude dir + exec("/usr/bin/tar --exclude='precompiled' --exclude='src' -tf {$tmpfname}/{$snort_filename} preproc_rules", $preproc_rules_list); + + $preproc_rules_filterList = snortscandirfilter($preproc_rules_list, '/\/.*\.rules/', $so_rulesPattr, $so_rulesPattw); + + if (!empty($preproc_rules_filterList)) { + // cp rule to so tmp dir + foreach ($preproc_rules_filterList as $preproc_rule) + { + + exec("/usr/bin/tar xzf {$tmpfname}/{$snort_filename} -C {$snortdir} preproc_rules/{$preproc_rule}.rules"); + + } + // mv and rename preproc_rules + foreach ($preproc_rules_filterList as $preproc_rule_move) + { + exec("/bin/mv -f {$snortdir}/preproc_rules/{$preproc_rule_move}.rules {$snortdir}/rules/snort_{$preproc_rule_move}.preproc.rules"); + } + } + + /* extract base etc files */ + exec("/usr/bin/tar xzf {$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...")); + $snortdownload = 'off'; + } + } + } +} + +/* double make shure cleanup emerg rules that dont belong */ +if (file_exists("/usr/local/etc/snort/rules/emerging-botcc-BLOCK.rules")) { + apc_clear_cache(); + @unlink("/usr/local/etc/snort/rules/emerging-botcc-BLOCK.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-botcc.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-compromised-BLOCK.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-drop-BLOCK.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-dshield-BLOCK.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-rbn-BLOCK.rules"); + @unlink("/usr/local/etc/snort/rules/emerging-tor-BLOCK.rules"); +} + +if (file_exists("/usr/local/lib/snort/dynamicrules/lib_sfdynamic_example_rule.so")) { + exec("/bin/rm /usr/local/lib/snort/dynamicrules/lib_sfdynamic_example_rule.so"); + exec("/bin/rm /usr/local/lib/snort/dynamicrules/lib_sfdynamic_example\*"); +} + +/* make shure default rules are in the right format */ +exec("/usr/bin/sed -i '' 's/^[ \t]*//' /usr/local/etc/snort/rules/*.rules"); // remove white spaces from begining of line +exec("/usr/bin/sed -i '' 's/^#alert*/\# alert/' /usr/local/etc/snort/rules/*.rules"); +exec("/usr/bin/sed -i '' 's/^##alert*/\# alert/' /usr/local/etc/snort/rules/*.rules"); +exec("/usr/bin/sed -i '' 's/^## alert*/\# alert/' /usr/local/etc/snort/rules/*.rules"); + +/* create a msg-map for snort */ +update_status(gettext("Updating Alert Messages...")); +update_output_window(gettext("Please Wait...")); +exec("/usr/local/bin/perl /usr/local/bin/create-sidmap.pl /usr/local/etc/snort/rules > /usr/local/etc/snort/sid-msg.map"); + + +////////////////// + +/* open oinkmaster_conf for writing" function */ +function oinkmaster_conf($id, $if_real, $iface_uuid) +{ + global $config, $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_sections = ""; + $selected_sid_off_sections = ""; + + if (!empty($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($selected_sid_on_sections) || !empty($selected_sid_off_sections)) { + $snort_sid_text = <<<EOD + +########################################### +# # +# this is auto generated on snort updates # +# # +########################################### + +path = /bin:/usr/bin:/usr/local/bin + +update_files = \.rules$|\.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 $tmpfname files */ +if (is_dir('/usr/local/etc/snort/tmp')) { + update_status(gettext("Cleaning up...")); + exec("/bin/rm -r /usr/local/etc/snort/tmp/snort_rules_up"); + sleep(2); + exec("/bin/rm -r /usr/local/etc/snort/tmp/rules_bk"); +} + +/* XXX: These are needed if snort is run as snort user +mwexec("/usr/sbin/chown -R snort:snort /var/log/snort", true); +mwexec("/usr/sbin/chown -R snort:snort /usr/local/etc/snort", true); +mwexec("/usr/sbin/chown -R snort:snort /usr/local/lib/snort", true); +*/ +/* make all dirs snorts */ +mwexec("/bin/chmod -R 755 /var/log/snort", true); +mwexec("/bin/chmod -R 755 /usr/local/etc/snort", true); +mwexec("/bin/chmod -R 755 /usr/local/lib/snort", true); + +/* hide progress bar and lets end this party */ +hide_progress_bar_status(); + +if ($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(); + +?> |