diff options
Diffstat (limited to 'packages/snort/snort.inc')
| -rw-r--r-- | packages/snort/snort.inc | 58 |
1 files changed, 41 insertions, 17 deletions
diff --git a/packages/snort/snort.inc b/packages/snort/snort.inc index 7c441ab8..feba1e84 100644 --- a/packages/snort/snort.inc +++ b/packages/snort/snort.inc @@ -33,17 +33,21 @@ require_once("pfsense-utils.inc"); if($config['installedpackages']['snort']) $oinkid = $config['installedpackages']['snort']['config'][0]['oinkmastercode']; -function sync_package_snort_reinstall() { +function sync_package_snort_reinstall() +{ global $config; if(!$config['installedpackages']['snort']) return; + /* create snort configuration file */ create_snort_conf(); + /* start snort service */ start_service("snort"); } -function sync_package_snort() { +function sync_package_snort() +{ global $config, $g; mwexec("mkdir -p /var/log/snort/"); @@ -78,24 +82,37 @@ function sync_package_snort() { exec("/bin/rm -f /usr/local/etc/rc.d/snort"); $first = 0; + $snortInterfaces = array(); /* -gtm */ + /* generate if list */ $iflist = array("lan" => "LAN"); + for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) $iflist['opt' . $i] = "opt{$i}"; - if($_POST['iface_array']) { - foreach($_POST['iface_array'] as $iface) { + + if($_POST['iface_array']) + { + foreach($_POST['iface_array'] as $iface) + { $if = convert_friendly_interface_to_real_interface_name($iface); + if($config['interfaces'][$iface]['ipaddr'] == "pppoe") $if = "ng0"; - if($if) { - $ifaces_final .= " -i " . $if; - $first = 1; - } - } - if(!$ifaces_final) { - log_error("Snort will not start. You must select an interface for it to listen on."); - return; - } + + /* build a list of user specified interfaces -gtm */ + if($if) + { + array_push($snortInterfaces, $if); + $first = 1; + } + } + + if (count($snortInterfaces) < 1) + { + log_error("Snort will not start. You must select an interface for it to listen on."); + return; + } + } /* create log directory */ @@ -117,13 +134,20 @@ function sync_package_snort() { if($bpfmaxinsns) mwexec_bg("sysctl net.bpf.maxinsns={$bpfmaxinsns}"); - /* start snort */ - $start .= ";snort -c /usr/local/etc/snort/snort.conf -l /var/log/snort {$ifaces_final} -A full -D"; + /* always stop snort2c before starting snort -gtm */ + $start .= ";/usr/bin/killall snort2c"; + /* start a snort process for each interface -gtm */ + /* Note the sleep delay. Seems to help getting mult interfaces to start -gtm */ + foreach($snortInterfaces as $snortIf) + { + $start .= ";sleep 8;snort -c /usr/local/etc/snort/snort.conf -l /var/log/snort -i {$snortIf} -A full -D"; + } + /* if block offenders is checked, start snort2c */ if($_POST['blockoffenders']) - $start .= ";/usr/bin/killall snort2c; snort2c -w /var/db/whitelist -a /var/log/snort/alert"; - + $start .= ";sleep 8;snort2c -w /var/db/whitelist -a /var/log/snort/alert"; + $sample_before = "\nBEFORE_MEM=`top | grep Free | grep Wired | awk '{print \$10}'`\n"; $sample_after = "\nAFTER_MEM=`top | grep Free | grep Wired | awk '{print \$10}'`\n"; $sleep_before_final = "\necho \"Sleeping before final memory sampling...\"\nsleep 17"; |