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Diffstat (limited to 'packages/snort/snort_download_rules.php')
| -rw-r--r-- | packages/snort/snort_download_rules.php | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/packages/snort/snort_download_rules.php b/packages/snort/snort_download_rules.php new file mode 100644 index 00000000..3558ee8b --- /dev/null +++ b/packages/snort/snort_download_rules.php @@ -0,0 +1,157 @@ +<?php +/* + snort_download_rules.php + part of pfSense (http://www.pfsense.com) + + Copyright (C) 2005 Scott Ullrich and Colin Smith + + 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. + + TODO: + * modify pfSense.com XMLRPC server to return md5 hashes of firmware updates. +*/ + +$pgtitle = array(gettext("Services"),gettext("Snort"),gettext("Update Rules")); + +require_once("guiconfig.inc"); +require_once("xmlrpc.inc"); + +include("head.inc"); + +?> + +<body link="#0000CC" vlink="#0000CC" alink="#0000CC"> +<?php include("fbegin.inc"); ?> + +<form action="snort_download_rules.php" method="post"> +<div id="inputerrors"></div> +<table width="100%" border="0" cellpadding="0" cellspacing="0"> + <tr> + <td> +<?php + $tab_array = array(); + $tab_array[0] = array(gettext("Snort Settings"), false, "pkg.php?xml=snort.xml"); + $tab_array[0] = array(gettext("Snort Rules Update"), false, "/usr/local/www/snort_download_rules.php"); + display_top_tabs($tab_array); +?> + </td> + </tr> + <tr> + <td> + <div id="mainarea"> + <table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0"> + <tr> + <td align="center" valign="top"> + <!-- progress bar --> + <table id="progholder" width='420' style='border-collapse: collapse; border: 1px solid #000000;' cellpadding='2' cellspacing='2'> + <tr> + <td> + <img border='0' src='./themes/<?= $g['theme']; ?>/images/misc/progress_bar.gif' width='280' height='23' name='progressbar' id='progressbar' alt='' /> + </td> + </tr> + </table> + <br /> + <!-- status box --> + <textarea cols="60" rows="1" name="status" id="status" wrap="hard"> + <?=gettext("Beginning system autoupdate...");?> + </textarea> + <!-- command output box --> + <textarea cols="60" rows="25" name="output" id="output" wrap="hard"> + </textarea> + </td> + </tr> + </table> + </div> + </td> + </tr> +</table> +</form> +<?php include("fend.inc"); ?> +<?php + +/* define oinkid */ +$oinkid = ""; + +if(!$oinkid) { + $static_output = gettext("You must obtain an oinkid from snort.com and set its value in the Snort settings tab."); + update_all_status($static_output); + echo "\n<script type=\"text/javascript\">document.progressbar.style.visibility='hidden';\n</script>"; + exit; +} + +$dl = "http://www.snort.org/pub-bin/oinkmaster.cgi/{$oinkid}/snortrules-snapshot-CURRENT.tar.gz"; +$dl_md5 = "http://www.snort.org/pub-bin/oinkmaster.cgi/{$oinkid}/snortrules-snapshot-CURRENT.tar.gz.md5"; +$tmpfname = tempnam("/tmp", "snortRules"); +$static_output = gettext("Downloading current snort rules... "); + +update_all_status($static_output); +download_file_with_progress_bar($dl, $tmpfname); +$static_output = gettext("Downloading current snort rules md5... "); + +update_all_status($static_output); +download_file_with_progress_bar($dl_md5, $tmpfname); + +/* verify downloaded rules signature */ +verify_snort_rules_md5($tmpfname); + +/* extract rules */ +extract_snort_rules_md5($tmpfname); + +$static_output = gettext("Your snort rules are now up to date."); +update_all_status($static_output); + +echo "\n<script type=\"text/javascript\">document.progressbar.style.visibility='hidden';\n</script>"; +?> +</body> +</html> + +<?php +function extract_snort_rules_md5($tmpfname) { + $static_output = gettext("Extracting snort rules..."); + update_all_status($static_output); + exec("tar xzf {$tmpfname}/snortrules-snapshot-CURRENT.tar.gz -C /usr/local/etc/snort/"); + $static_output = gettext("Snort rules extracted."); + update_status($static_output); + update_output_window($static_output); +} + +function verify_snort_rules_md5($tmpfname) { + $static_output = gettext("Verifying md5 signature..."); + update_all_status($static_output); + $md5 = file_get_contents("{$tmpfname}/snortrules-snapshot-CURRENT.tar.gz.md5"); + $file_md5_ondisk = `md5 {$tmpfname}/snortrules-snapshot-CURRENT.tar.gz | awk '{ print $4 }'`; + if($md5 <> $file_md5_ondisk) { + $static_output = gettext("md5 signature of rules mismatch."); + update_all_status($static_output); + echo "\n<script type=\"text/javascript\">document.progressbar.style.visibility='hidden';\n</script>"; + exit; + } +} + +function update_all_status($status) { + update_status($status); + update_output_window($status); +} + +?>
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