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| author | bmeeks8 <bmeeks8@bellsouth.net> | 2013-05-14 18:54:14 -0400 |
|---|---|---|
| committer | bmeeks8 <bmeeks8@bellsouth.net> | 2013-05-14 18:54:14 -0400 |
| commit | 86b9d0fc9c53fc10ee6a37630b609fb4a5656ba5 (patch) | |
| tree | 838abb78cc02e3ea60f803b41b53c611616808da /config/snort | |
| parent | 3de5c81b8c8ea9c4357b70f5aed33b8a6aad8e68 (diff) | |
| download | pfsense-packages-86b9d0fc9c53fc10ee6a37630b609fb4a5656ba5.tar.gz pfsense-packages-86b9d0fc9c53fc10ee6a37630b609fb4a5656ba5.tar.bz2 pfsense-packages-86b9d0fc9c53fc10ee6a37630b609fb4a5656ba5.zip | |
Improve flowbits logic to include bitwise logical operators.
Diffstat (limited to 'config/snort')
| -rwxr-xr-x | config/snort/snort.inc | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/config/snort/snort.inc b/config/snort/snort.inc index 430e5a95..a191d941 100755 --- a/config/snort/snort.inc +++ b/config/snort/snort.inc @@ -1268,10 +1268,10 @@ function snort_get_flowbits($rule) { if (preg_match_all('/flowbits\b\s*:\s*(set|setx|unset|toggle|isset|isnotset)\s*,([^;]+)/i', $rule, $matches)) { $i = -1; while (++$i < count($matches[1])) { - $action = trim($matches[1][$i]) . ","; + $action = trim($matches[1][$i]); $target = preg_split('/[&|]/', $matches[2][$i]); foreach ($target as $t) - $flowbits[] = $action . trim($t); + $flowbits[] = "{$action}," . trim($t); } } @@ -1316,9 +1316,10 @@ function snort_get_checked_flowbits(&$rules_map) { continue; $action = substr(strtolower($flowbit), 0, $pos); if ($action == "isset" || $action == "isnotset") { - $tmp = substr($flowbit, strpos($flowbit, ",") + 1 ); - if (!empty($tmp)) - $checked_flowbits[$tmp] = $action; + $target = preg_split('/[&|]/', substr($flowbit, $pos + 1)); + foreach ($target as $t) + if (!empty($t) && !isset($checked_flowbits[$t])) + $checked_flowbits[$t] = $action; } } } @@ -1356,9 +1357,10 @@ function snort_get_set_flowbits(&$rules_map) { continue; $action = substr(strtolower($flowbit), 0, $pos); if ($action == "set" || $action == "toggle" || $action == "setx") { - $tmp = substr($flowbit, strpos($flowbit, ",") + 1 ); - if (!empty($tmp)) - $set_flowbits[$tmp] = $action; + $target = preg_split('/[&|]/', substr($flowbit, $pos + 1)); + foreach ($target as $t) + if (!empty($t) && !isset($set_flowbits[$t])) + $set_flowbits[$t] = $action; } } } @@ -3162,7 +3164,7 @@ function snort_do_xmlrpc_sync($sync_to_ip, $username, $password, $synctimeout) { log_error("snort XMLRPC sync successfully completed with {$url}:{$port}."); } - /* tell squid to reload our settings on the destination sync host. */ + /* tell snort to reload our settings on the destination sync host. */ $method = 'pfsense.exec_php'; $execcmd = "require_once('/usr/local/pkg/snort/snort.inc');\n"; $execcmd .= "sync_snort_package_config();"; |