diff options
Diffstat (limited to 'config/snort/snort.inc')
| -rwxr-xr-x | config/snort/snort.inc | 109 |
1 files changed, 70 insertions, 39 deletions
diff --git a/config/snort/snort.inc b/config/snort/snort.inc index 2a6d006a..e442755a 100755 --- a/config/snort/snort.inc +++ b/config/snort/snort.inc @@ -51,7 +51,7 @@ $snortver = array(); exec("/usr/local/bin/snort -V 2>&1 |/usr/bin/grep Version | /usr/bin/cut -c20-26", $snortver); /* Used to indicate latest version of this include file has been loaded */ -$pfSense_snort_version = "3.1.1"; +$pfSense_snort_version = "3.1.2"; /* get installed package version for display */ $snort_package_version = "Snort {$config['installedpackages']['package'][get_pkg_id("snort")]['version']}"; @@ -333,9 +333,11 @@ function snort_build_list($snortcfg, $listname = "", $whitelist = false) { $home_net = explode(" ", trim(filter_expand_alias($list['address']))); } - /* Always add loopback to HOME_NET and whitelist (ftphelper) */ + /* Always add loopback addresses to HOME_NET and whitelist */ if (!in_array("127.0.0.1", $home_net)) $home_net[] = "127.0.0.1"; + if (!in_array("::1", $home_net)) + $home_net[] = "::1"; /********************************************************************/ /* Always put the interface running Snort in HOME_NET and whitelist */ @@ -363,27 +365,37 @@ function snort_build_list($snortcfg, $listname = "", $whitelist = false) { } } - /* Handle IPv6 if available (2.1 and higher) */ - if (function_exists('get_interface_ipv6')) { - $snortip = get_interface_ipv6($snortcfg['interface']); - if (!$whitelist || $localnet == 'yes' || empty($localnet)) { - if (is_ipaddrv6($snortip)) { - if ($snortcfg['interface'] <> "wan") { - $sn = get_interface_subnetv6($snortcfg['interface']); - $ip = gen_subnetv6($snortip, $sn). "/{$sn}"; - if (!in_array($ip, $home_net)) - $home_net[] = $ip; - } + $snortip = get_interface_ipv6($snortcfg['interface']); + if (!$whitelist || $localnet == 'yes' || empty($localnet)) { + if (is_ipaddrv6($snortip)) { + if ($snortcfg['interface'] <> "wan") { + $sn = get_interface_subnetv6($snortcfg['interface']); + $ip = gen_subnetv6($snortip, $sn). "/{$sn}"; + if (!in_array($ip, $home_net)) + $home_net[] = $ip; } } - else { - if (is_ipaddrv6($snortip)) { - if (!in_array($snortip, $home_net)) - $home_net[] = $snortip; - } + } + else { + if (is_ipaddrv6($snortip)) { + // Trim off the interface designation (e.g., %em1) if present + if (strpos($snortip, "%") !== FALSE) + $snortip = substr($snortip, 0, strpos($snortip, "%")); + if (!in_array($snortip, $home_net)) + $home_net[] = $snortip; } } + // Add link-local address + $snortip = get_interface_linklocal($snortcfg['interface']); + if (!empty($snortip)) { + // Trim off the interface designation (e.g., %em1) if present + if (strpos($snortip, "%") !== FALSE) + $snortip = substr($snortip, 0, strpos($snortip, "%")); + if (!in_array($snortip, $home_net)) + $home_net[] = $snortip; + } + if (!$whitelist || $localnet == 'yes' || empty($localnet)) { /*************************************************************************/ /* Iterate through the interface list and write out whitelist items and */ @@ -402,16 +414,23 @@ function snort_build_list($snortcfg, $listname = "", $whitelist = false) { if (!in_array($ip, $home_net)) $home_net[] = $ip; } - if (function_exists("get_interface_ipv6")) { - if ($int == "wan") - continue; - $subnet = get_interface_ipv6($int); - if (is_ipaddrv6($subnet)) { - $sn = get_interface_subnetv6($int); - $ip = gen_subnetv6($subnet, $sn). "/{$sn}"; - if (!in_array($ip, $home_net)) - $home_net[] = $ip; - } + + $subnet = get_interface_ipv6($int); + if (is_ipaddrv6($subnet)) { + $sn = get_interface_subnetv6($int); + $ip = gen_subnetv6($subnet, $sn). "/{$sn}"; + if (!in_array($ip, $home_net)) + $home_net[] = $ip; + } + + // Add link-local address + $snortip = get_interface_linklocal($int); + if (!empty($snortip)) { + // Trim off the interface designation (e.g., %em1) if present + if (strpos($snortip, "%") !== FALSE) + $snortip = substr($snortip, 0, strpos($snortip, "%")); + if (!in_array($snortip, $home_net)) + $home_net[] = $snortip; } } } @@ -422,12 +441,23 @@ function snort_build_list($snortcfg, $listname = "", $whitelist = false) { if (!in_array($ip, $home_net)) $home_net[] = $ip; } - if (function_exists("get_interface_ipv6")) { - $ip = get_interface_ipv6("wan"); - if (is_ipaddrv6($ip)) { - if (!in_array($ip, $home_net)) - $home_net[] = $ip; - } + $ip = get_interface_ipv6("wan"); + if (is_ipaddrv6($ip)) { + // Trim off the interface designation (e.g., %em1) if present + if (strpos($ip, "%") !== FALSE) + $ip = substr($ip, 0, strpos($ip, "%")); + if (!in_array($ip, $home_net)) + $home_net[] = $ip; + } + + // Add link-local address + $snortip = get_interface_linklocal("wan"); + if (!empty($snortip)) { + // Trim off the interface designation (e.g., %em1) if present + if (strpos($snortip, "%") !== FALSE) + $snortip = substr($snortip, 0, strpos($snortip, "%")); + if (!in_array($snortip, $home_net)) + $home_net[] = $snortip; } } @@ -441,11 +471,12 @@ function snort_build_list($snortcfg, $listname = "", $whitelist = false) { $gw = get_interface_gateway($snortcfg['interface']); if (is_ipaddr($gw) && !in_array($gw, $home_net)) $home_net[] = $gw; - if (function_exists("get_interface_gateway_v6")) { - $gw = get_interface_gateway_v6($snortcfg['interface']); - if (is_ipaddrv6($gw) && !in_array($gw, $home_net)) - $home_net[] = $gw; - } + $gw = get_interface_gateway_v6($snortcfg['interface']); + // Trim off the interface designation (e.g., %em1) if present + if (strpos($gw, "%") !== FALSE) + $gw = substr($gw, 0, strpos($gw, "%")); + if (is_ipaddrv6($gw) && !in_array($gw, $home_net)) + $home_net[] = $gw; } if ($wandns == 'yes') { |