diff options
Diffstat (limited to 'config/snort/snort.inc')
| -rw-r--r-- | config/snort/snort.inc | 193 |
1 files changed, 96 insertions, 97 deletions
diff --git a/config/snort/snort.inc b/config/snort/snort.inc index 3cb3cf26..35d8229e 100644 --- a/config/snort/snort.inc +++ b/config/snort/snort.inc @@ -42,6 +42,7 @@ $pfSense_snort_version = "2.3.0"; $snort_package_version = "Snort {$snort_version} pkg v. {$pfSense_snort_version}"; $snort_rules_file = "snortrules-snapshot-2923.tar.gz"; $emerging_threats_version = "2.9.0"; +$snortdir = "/usr/local/etc/snort"; /* Allow additional execution time 0 = no limit. */ ini_set('max_execution_time', '9999'); @@ -57,7 +58,7 @@ else $snort_pfsense_basever = 'yes'; /* find out what arch where in x86 , x64 */ -global $snort_arch; +global $snortdir, $snort_arch; $snort_arch = 'x86'; $snort_arch_ck = php_uname("m"); if ($snort_arch_ck == 'i386') @@ -278,11 +279,11 @@ function Running_Stop($snort_uuid, $if_real, $id) { } function Running_Start($snort_uuid, $if_real, $id) { - global $config, $g; + global $snortdir, $config, $g; $snort_info_chk = $config['installedpackages']['snortglobal']['rule'][$id]['enable']; if ($snort_info_chk == 'on') - exec("/usr/local/bin/snort -R {$snort_uuid} -D -q -l /var/log/snort/snort_{$if_real}{$snort_uuid} --pid-path {$g['varrun_path']} --nolock-pidfile -G {$snort_uuid} -c /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/snort.conf -i {$if_real}"); + exec("/usr/local/bin/snort -R {$snort_uuid} -D -q -l /var/log/snort/snort_{$if_real}{$snort_uuid} --pid-path {$g['varrun_path']} --nolock-pidfile -G {$snort_uuid} -c {$snortdir}/snort_{$snort_uuid}_{$if_real}/snort.conf -i {$if_real}"); else return; @@ -291,7 +292,7 @@ function Running_Start($snort_uuid, $if_real, $id) { $snortbarnyardlog_info_chk = $config['installedpackages']['snortglobal']['rule'][$id]['barnyard_enable']; $snortbarnyardlog_mysql_info_chk = $config['installedpackages']['snortglobal']['rule'][$id]['barnyard_mysql']; if ($snortbarnyardlog_info_chk == 'on' && $snortbarnyardlog_mysql_info_chk != '') - exec("/usr/local/bin/barnyard2 -r {$snort_uuid} -f \"snort_{$snort_uuid}_{$if_real}.u2\" --pid-path {$g['varrun_path']} --nolock-pidfile -c /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/barnyard2.conf -d /var/log/snort/snort_{$if_real}{$snort_uuid} -D -q"); + exec("/usr/local/bin/barnyard2 -r {$snort_uuid} -f \"snort_{$snort_uuid}_{$if_real}.u2\" --pid-path {$g['varrun_path']} --nolock-pidfile -c {$snortdir}/snort_{$snort_uuid}_{$if_real}/barnyard2.conf -d /var/log/snort/snort_{$if_real}{$snort_uuid} -D -q"); /* Log Iface stop */ exec("/usr/bin/logger -p daemon.info -i -t SnortStartup 'Interface Rule START for {$id}_{$snort_uuid}_{$if_real}...'"); @@ -386,9 +387,8 @@ function snort_post_delete_logs($snort_uuid = 0) } } -function snort_postinstall() -{ - global $config, $g, $snort_pfsense_basever, $snort_arch; +function snort_postinstall() { + global $snortdir, $config, $g, $snort_pfsense_basever, $snort_arch; /* snort -> advanced features */ if (is_array($config['installedpackages']['snortglobal'])) { @@ -398,17 +398,17 @@ function snort_postinstall() } /* cleanup default files */ - @rename('/usr/local/etc/snort/snort.conf-sample', '/usr/local/etc/snort/snort.conf'); - @rename('/usr/local/etc/snort/threshold.conf-sample', '/usr/local/etc/snort/threshold.conf'); - @rename('/usr/local/etc/snort/sid-msg.map-sample', '/usr/local/etc/snort/sid-msg.map'); - @rename('/usr/local/etc/snort/unicode.map-sample', '/usr/local/etc/snort/unicode.map'); - @rename('/usr/local/etc/snort/classification.config-sample', '/usr/local/etc/snort/classification.config'); - @rename('/usr/local/etc/snort/generators-sample', '/usr/local/etc/snort/generators'); - @rename('/usr/local/etc/snort/reference.config-sample', '/usr/local/etc/snort/reference.config'); - @rename('/usr/local/etc/snort/gen-msg.map-sample', '/usr/local/etc/snort/gen-msg.map'); - @unlink('/usr/local/etc/snort/sid'); - @unlink('/usr/local/etc/rc.d/snort'); - @unlink('/usr/local/etc/rc.d/barnyard2'); + @rename("{$snortdir}/snort.conf-sample", "{$snortdir}/snort.conf"); + @rename("{$snortdir}/threshold.conf-sample", "{$snortdir}/threshold.conf"); + @rename("{$snortdir}/sid-msg.map-sample", "{$snortdir}/sid-msg.map"); + @rename("{$snortdir}/unicode.map-sample", "{$snortdir}/unicode.map"); + @rename("{$snortdir}/classification.config-sample", "{$snortdir}/classification.config"); + @rename("{$snortdir}/generators-sample", "{$snortdir}/generators"); + @rename("{$snortdir}/reference.config-sample", "{$snortdir}/reference.config"); + @rename("{$snortdir}/gen-msg.map-sample", "{$snortdir}/gen-msg.map"); + @unlink("{$snortdir}/sid"); + @unlink("/usr/local/etc/rc.d/snort"); + @unlink("/usr/local/etc/rc.d/barnyard2"); /* remove example files */ if (file_exists('/usr/local/lib/snort/dynamicrules/lib_sfdynamic_example_rule.so.0')) @@ -417,8 +417,8 @@ function snort_postinstall() if (file_exists('/usr/local/lib/snort/dynamicpreprocessor/lib_sfdynamic_preprocessor_example.so')) exec('/bin/rm /usr/local/lib/snort/dynamicpreprocessor/lib_sfdynamic_preprocessor_example*'); - mwexec('/usr/sbin/chown -R snort:snort /var/log/snort', true); - mwexec('/usr/sbin/chown -R snort:snort /usr/local/etc/snort', true); + mwexec("/usr/sbin/chown -R snort:snort /var/log/snort", true); + mwexec("/usr/sbin/chown -R snort:snort {$snortdir}", true); mwexec('/usr/sbin/chown -R snort:snort /usr/local/lib/snort', true); mwexec('/usr/sbin/chown snort:snort /tmp/snort*', true); mwexec('/usr/sbin/chown snort:snort /var/db/whitelist', true); @@ -724,11 +724,11 @@ function sync_snort_package_config() /* create threshold file */ function create_snort_suppress($id, $if_real) { - global $config, $g; + global $snortdir, $config, $g; /* make sure dir is there */ - if (!is_dir('/usr/local/etc/snort/suppress')) - exec('/bin/mkdir -p /usr/local/etc/snort/suppress'); + if (!is_dir("{$snortdir}/suppress")) + exec("/bin/mkdir -p {$snortdir}/suppress"); if (!is_array($config['installedpackages']['snortglobal']['rule'])) return; @@ -746,23 +746,23 @@ function create_snort_suppress($id, $if_real) { $s_data .= str_replace("\r", "", base64_decode($config['installedpackages']['snortglobal']['suppress']['item'][$whitelist_key_s]['suppresspassthru'])); /* open snort's whitelist for writing */ - @file_put_contents("/usr/local/etc/snort/suppress/$suppress_file_name", $s_data); + @file_put_contents("{$snortdir}/suppress/$suppress_file_name", $s_data); } } function create_snort_whitelist($id, $if_real) { - global $config, $g; + global $snortdir, $config, $g; /* make sure dir is there */ - if (!is_dir('/usr/local/etc/snort/whitelist')) - exec('/bin/mkdir -p /usr/local/etc/snort/whitelist'); + if (!is_dir("{$snortdir}/whitelist")) + exec("/bin/mkdir -p {$snortdir}/whitelist"); if ($config['installedpackages']['snortglobal']['rule'][$id]['whitelistname'] == 'default') { $w_data = build_base_whitelist('whitelist', 'yes', 'yes', 'yes', 'yes', 'yes', 'no'); /* open snort's whitelist for writing */ - @file_put_contents("/usr/local/etc/snort/whitelist/defaultwlist", $w_data); + @file_put_contents("{$snortdir}/whitelist/defaultwlist", $w_data); } else if (!empty($config['installedpackages']['snortglobal']['rule'][$id]['whitelistname'])) { $whitelist_key_w = find_whitelist_key($config['installedpackages']['snortglobal']['rule'][$id]['whitelistname']); @@ -775,7 +775,7 @@ function create_snort_whitelist($id, $if_real) { $whitelist['wandnsips'], $whitelist['vips'], $whitelist['vpnips'], $whitelist_key_w); /* open snort's whitelist for writing */ - @file_put_contents("/usr/local/etc/snort/whitelist/" . $config['installedpackages']['snortglobal']['rule'][$id]['whitelistname'], $w_data); + @file_put_contents("{$snortdir}/whitelist/" . $config['installedpackages']['snortglobal']['rule'][$id]['whitelistname'], $w_data); } } @@ -823,7 +823,7 @@ function create_snort_externalnet($id, $if_real) { /* open snort.sh for writing" */ function create_snort_sh() { - global $config, $g; + global $snortdir, $config, $g; if (!is_array($config['installedpackages']['snortglobal']['rule'])) return; @@ -842,13 +842,13 @@ function create_snort_sh() { $start_barnyard = <<<EOE if [ ! -f {$g['varrun_path']}/barnyard2_{$if_real}{$snort_uuid}.pid ]; then - /bin/pgrep -xf '/usr/local/bin/barnyard2 -r {$snort_uuid} -f snort_{$snort_uuid}_{$if_real}.u2 --pid-path {$g['varrun_path']} --nolock-pidfile -c /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/barnyard2.conf -d /var/log/snort/snort_{$if_real}{$snort_uuid} -D -q' > {$g['varrun_path']}/barnyard2_{$if_real}{$snort_uuid}.pid + /bin/pgrep -xf '/usr/local/bin/barnyard2 -r {$snort_uuid} -f snort_{$snort_uuid}_{$if_real}.u2 --pid-path {$g['varrun_path']} --nolock-pidfile -c {$snortdir}/snort_{$snort_uuid}_{$if_real}/barnyard2.conf -d /var/log/snort/snort_{$if_real}{$snort_uuid} -D -q' > {$g['varrun_path']}/barnyard2_{$if_real}{$snort_uuid}.pid fi /bin/pgrep -F {$g['varrun_path']}/barnyard2_{$if_real}{$snort_uuid}.pid if [ $? = 0 ]; then /bin/pkill -HUP -F {$g['varrun_path']}/barnyard2_{$if_real}{$snort_uuid}.pid -a else - /usr/local/bin/barnyard2 -r {$snort_uuid} -f snort_{$snort_uuid}_{$if_real}.u2 --pid-path {$g['varrun_path']} --nolock-pidfile -c /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/barnyard2.conf -d /var/log/snort/snort_{$if_real}{$snort_uuid} -D -q + /usr/local/bin/barnyard2 -r {$snort_uuid} -f snort_{$snort_uuid}_{$if_real}.u2 --pid-path {$g['varrun_path']} --nolock-pidfile -c {$snortdir}/snort_{$snort_uuid}_{$if_real}/barnyard2.conf -d /var/log/snort/snort_{$if_real}{$snort_uuid} -D -q fi EOE; @@ -858,7 +858,7 @@ EOE; /bin/pkill -F {$g['varrun_path']}/barnyard2_{$if_real}{$snort_uuid}.pid -a /bin/rm /var/run/barnyard2_{$if_real}{$snort_uuid}.pid else - /bin/pkill -xf '/usr/local/bin/barnyard2 -r {$snort_uuid} -f snort_{$snort_uuid}_{$if_real}.u2 --pid-path {$g['varrun_path']} --nolock-pidfile -c /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/barnyard2.conf -d /var/log/snort/snort_{$if_real}{$snort_uuid} -D -q' + /bin/pkill -xf '/usr/local/bin/barnyard2 -r {$snort_uuid} -f snort_{$snort_uuid}_{$if_real}.u2 --pid-path {$g['varrun_path']} --nolock-pidfile -c {$snortdir}/snort_{$snort_uuid}_{$if_real}/barnyard2.conf -d /var/log/snort/snort_{$if_real}{$snort_uuid} -D -q' fi EOE; @@ -872,7 +872,7 @@ EOE; ###### For Each Iface #### Only try to restart if snort is running on Iface if [ ! -f {$g['varrun_path']}/snort_{$if_real}{$snort_uuid}.pid ]; then - /bin/pgrep -xf '/usr/local/bin/snort -R {$snort_uuid} -D -q -l /var/log/snort/snort_{$if_real}{$snort_uuid} --pid-path {$g['varrun_path']} --nolock-pidfile -G {$snort_uuid} -c /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/snort.conf -i {$if_real}' > {$g['varrun_path']}/snort_{$if_real}{$snort_uuid}.pid + /bin/pgrep -xf '/usr/local/bin/snort -R {$snort_uuid} -D -q -l /var/log/snort/snort_{$if_real}{$snort_uuid} --pid-path {$g['varrun_path']} --nolock-pidfile -G {$snort_uuid} -c {$snortdir}/snort_{$snort_uuid}_{$if_real}/snort.conf -i {$if_real}' > {$g['varrun_path']}/snort_{$if_real}{$snort_uuid}.pid fi /bin/pgrep -nF {$g['varrun_path']}/snort_{$if_real}{$snort_uuid}.pid if [ $? = 0 ]; then @@ -881,7 +881,7 @@ EOE; else # Start snort and barnyard2 /bin/rm {$g['varrun_path']}/snort_{$if_real}{$snort_uuid}.pid - /usr/local/bin/snort -R {$snort_uuid} -D -q -l /var/log/snort/snort_{$if_real}{$snort_uuid} --pid-path {$g['varrun_path']} --nolock-pidfile -G {$snort_uuid} -c /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/snort.conf -i {$if_real} + /usr/local/bin/snort -R {$snort_uuid} -D -q -l /var/log/snort/snort_{$if_real}{$snort_uuid} --pid-path {$g['varrun_path']} --nolock-pidfile -G {$snort_uuid} -c {$snortdir}/snort_{$snort_uuid}_{$if_real}/snort.conf -i {$if_real} /usr/bin/logger -p daemon.info -i -t SnortStartup "Snort START For {$value['descr']}({$snort_uuid}_{$if_real})..." fi @@ -897,7 +897,7 @@ EOE; /bin/pkill -F {$g['varrun_path']}/snort_{$if_real}{$snort_uuid}.pid -a /bin/rm /var/run/snort_{$if_real}{$snort_uuid}.pid else - /bin/pkill -xf '/usr/local/bin/snort -R {$snort_uuid} -D -q -l /var/log/snort/snort_{$if_real}{$snort_uuid} --pid-path {$g['varrun_path']} --nolock-pidfile -G {$snort_uuid} -c /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/snort.conf -i {$if_real}' + /bin/pkill -xf '/usr/local/bin/snort -R {$snort_uuid} -D -q -l /var/log/snort/snort_{$if_real}{$snort_uuid} --pid-path {$g['varrun_path']} --nolock-pidfile -G {$snort_uuid} -c {$snortdir}/snort_{$snort_uuid}_{$if_real}/snort.conf -i {$if_real}' fi sleep 2 @@ -948,28 +948,27 @@ EOD; } /* if rules exist copy to new interfaces */ -function create_rules_iface($id, $if_real, $snort_uuid) -{ - global $config, $g; +function create_rules_iface($id, $if_real, $snort_uuid) { + global $snortdir, $config, $g; - $if_rule_dir = "/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}"; + $if_rule_dir = "{$snortdir}/snort_{$snort_uuid}_{$if_real}"; $folder_chk = (count(glob("{$if_rule_dir}/rules/*")) === 0) ? 'empty' : 'full'; if ($folder_chk == "empty") { if (!is_dir("{$if_rule_dir}/rules")) exec("/bin/mkdir -p {$if_rule_dir}/rules"); - exec("/bin/cp /usr/local/etc/snort/rules/* {$if_rule_dir}/rules"); - if (file_exists("/usr/local/etc/snort/custom_rules/local_{$snort_uuid}_{$if_real}.rules")) - exec("/bin/cp /usr/local/etc/snort/custom_rules/local_{$snort_uuid}_{$if_real}.rules {$if_rule_dir}/local_{$snort_uuid}_{$if_real}.rules"); + exec("/bin/cp {$snortdir}/rules/* {$if_rule_dir}/rules"); + if (file_exists("{$snortdir}/custom_rules/local_{$snort_uuid}_{$if_real}.rules")) + exec("/bin/cp {$snortdir}/custom_rules/local_{$snort_uuid}_{$if_real}.rules {$if_rule_dir}/local_{$snort_uuid}_{$if_real}.rules"); } } /* open barnyard2.conf for writing */ function create_barnyard2_conf($id, $if_real, $snort_uuid) { - global $config, $g; + global $snortdir, $config, $g; - if (!file_exists("/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/barnyard2.conf")) - exec("/usr/bin/touch /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/barnyard2.conf"); + if (!file_exists("{$snortdir}/snort_{$snort_uuid}_{$if_real}/barnyard2.conf")) + exec("/usr/bin/touch {$snortdir}/snort_{$snort_uuid}_{$if_real}/barnyard2.conf"); if (!file_exists("/var/log/snort/snort_{$if_real}{$snort_uuid}/barnyard2/{$snort_uuid}_{$if_real}.waldo")) { @touch("/var/log/snort/snort_{$if_real}{$snort_uuid}/barnyard2/{$snort_uuid}_{$if_real}.waldo"); @@ -979,12 +978,12 @@ function create_barnyard2_conf($id, $if_real, $snort_uuid) { $barnyard2_conf_text = generate_barnyard2_conf($id, $if_real, $snort_uuid); /* write out barnyard2_conf */ - @file_put_contents("/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/barnyard2.conf", $barnyard2_conf_text); + @file_put_contents("{$snortdir}/snort_{$snort_uuid}_{$if_real}/barnyard2.conf", $barnyard2_conf_text); } /* open barnyard2.conf for writing" */ function generate_barnyard2_conf($id, $if_real, $snort_uuid) { - global $config, $g; + global $snortdir, $config, $g; /* define snortbarnyardlog */ /* TODO: add support for the other 5 output plugins */ @@ -1001,10 +1000,10 @@ function generate_barnyard2_conf($id, $if_real, $snort_uuid) { # # set the appropriate paths to the file(s) your Snort process is using -config reference_file: /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/reference.config -config classification_file: /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/classification.config -config gen_file: /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/gen-msg.map -config sid_file: /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/sid-msg.map +config reference_file: {$snortdir}/snort_{$snort_uuid}_{$if_real}/reference.config +config classification_file: {$snortdir}/snort_{$snort_uuid}_{$if_real}/classification.config +config gen_file: {$snortdir}/snort_{$snort_uuid}_{$if_real}/gen-msg.map +config sid_file: {$snortdir}/snort_{$snort_uuid}_{$if_real}/sid-msg.map config hostname: $snortbarnyardlog_hostname_info_chk config interface: {$snort_uuid}_{$if_real} @@ -1032,14 +1031,13 @@ EOD; return $barnyard2_conf_text; } -function create_snort_conf($id, $if_real, $snort_uuid) -{ - global $config, $g; +function create_snort_conf($id, $if_real, $snort_uuid) { + global $snortdir, $config, $g; if (!empty($if_real) && !empty($snort_uuid)) { - if (!is_dir("/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}")) { - exec("/bin/mkdir -p /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}"); - @touch("/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/snort.conf"); + if (!is_dir("{$snortdir}/snort_{$snort_uuid}_{$if_real}")) { + exec("/bin/mkdir -p {$snortdir}/snort_{$snort_uuid}_{$if_real}"); + @touch("{$snortdir}/snort_{$snort_uuid}_{$if_real}/snort.conf"); } $snort_conf_text = generate_snort_conf($id, $if_real, $snort_uuid); @@ -1047,9 +1045,9 @@ function create_snort_conf($id, $if_real, $snort_uuid) return; /* write out snort.conf */ - $conf = fopen("/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/snort.conf", "w"); + $conf = fopen("{$snortdir}/snort_{$snort_uuid}_{$if_real}/snort.conf", "w"); if(!$conf) { - log_error("Could not open /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/snort.conf for writing."); + log_error("Could not open {$snortdir}/snort_{$snort_uuid}_{$if_real}/snort.conf for writing."); return -1; } fwrite($conf, $snort_conf_text); @@ -1058,7 +1056,7 @@ function create_snort_conf($id, $if_real, $snort_uuid) } function snort_deinstall() { - global $config, $g; + global $snortdir, $config, $g; /* remove custom sysctl */ remove_text_from_file("/etc/sysctl.conf", "sysctl net.bpf.bufsize=20480"); @@ -1074,7 +1072,7 @@ function snort_deinstall() { mwexec('/usr/bin/killall -9 barnyard2', true); sleep(2); mwexec('/usr/sbin/pw userdel snort; /usr/sbin/pw groupdel snort', true); - mwexec('/bin/rm -rf /usr/local/etc/snort*; /bin/rm -rf /usr/local/pkg/snort*', true); + mwexec("/bin/rm -rf {$snortdir}*; /bin/rm -rf /usr/local/pkg/snort*", true); mwexec('/bin/rm -rf /usr/local/www/snort; /bin/rm -rf /var/log/snort', true); /* Remove snort cron entries Ugly code needs smoothness*/ @@ -1109,9 +1107,8 @@ function snort_deinstall() { unset($config['installedpackages']['snortglobal']); } -function generate_snort_conf($id, $if_real, $snort_uuid) -{ - global $config, $g, $snort_pfsense_basever; +function generate_snort_conf($id, $if_real, $snort_uuid) { + global $snortdir, $config, $g, $snort_pfsense_basever; if (!is_array($config['installedpackages']['snortglobal']['rule'])) return; @@ -1133,14 +1130,14 @@ function generate_snort_conf($id, $if_real, $snort_uuid) $snort_config_pass_thru = str_replace("\r", "", base64_decode($snortcfg['configpassthru'])); /* create a few directories and ensure the sample files are in place */ - if (!is_dir('/usr/local/etc/snort')) - exec('/bin/mkdir -p /usr/local/etc/snort/custom_rules'); - if (!is_dir("/usr/local/etc/snort/snort/snort_{$snort_uuid}_{$if_real}")) - exec("/bin/mkdir -p /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}"); - if (!is_dir("/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/rules")) - exec("/bin/mkdir -p /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/rules"); - if (!is_dir('/usr/local/etc/snort/whitelist')) - exec('/bin/mkdir -p /usr/local/etc/snort/whitelist/'); + if (!is_dir("{$snortdir}")) + exec("/bin/mkdir -p {$snortdir}/custom_rules"); + if (!is_dir("{$snortdir}/snort/snort_{$snort_uuid}_{$if_real}")) + exec("/bin/mkdir -p {$snortdir}/snort_{$snort_uuid}_{$if_real}"); + if (!is_dir("{$snortdir}/snort_{$snort_uuid}_{$if_real}/rules")) + exec("/bin/mkdir -p {$snortdir}/snort_{$snort_uuid}_{$if_real}/rules"); + if (!is_dir("{$snortdir}/whitelist")) + exec("/bin/mkdir -p {$snortdir}/whitelist/"); if (!is_dir("/var/log/snort/snort_{$if_real}{$snort_uuid}")) exec("/bin/mkdir -p /var/log/snort/snort_{$if_real}{$snort_uuid}"); if (!is_dir("/var/log/snort/snort_{$if_real}{$snort_uuid}/barnyard2")) @@ -1154,13 +1151,13 @@ function generate_snort_conf($id, $if_real, $snort_uuid) if (!file_exists('/var/db/whitelist')) @touch('/var/db/whitelist'); - @copy("/usr/local/etc/snort/gen-msg.map", "/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/gen-msg.map"); - @copy("/usr/local/etc/snort/classification.config", "/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/classification.config"); - @copy("/usr/local/etc/snort/reference.config", "/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/reference.config"); - @copy("/usr/local/etc/snort/sid-msg.map", "/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/sid-msg.map"); - @copy("/usr/local/etc/snort/unicode.map", "/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/unicode.map"); - @copy("/usr/local/etc/snort/threshold.conf", "/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/threshold.conf"); - @touch("/usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/barnyard2.conf"); + @copy("{$snortdir}/gen-msg.map", "{$snortdir}/snort_{$snort_uuid}_{$if_real}/gen-msg.map"); + @copy("{$snortdir}/classification.config", "{$snortdir}/snort_{$snort_uuid}_{$if_real}/classification.config"); + @copy("{$snortdir}/reference.config", "{$snortdir}/snort_{$snort_uuid}_{$if_real}/reference.config"); + @copy("{$snortdir}/sid-msg.map", "{$snortdir}/snort_{$snort_uuid}_{$if_real}/sid-msg.map"); + @copy("{$snortdir}/unicode.map", "{$snortdir}/snort_{$snort_uuid}_{$if_real}/unicode.map"); + @copy("{$snortdir}/threshold.conf", "{$snortdir}/snort_{$snort_uuid}_{$if_real}/threshold.conf"); + @touch("{$snortdir}/snort_{$snort_uuid}_{$if_real}/barnyard2.conf"); /* define basic log filename */ $snortunifiedlogbasic_type = "output unified: filename snort_{$snort_uuid}_{$if_real}.log, limit 128"; @@ -1191,21 +1188,21 @@ function generate_snort_conf($id, $if_real, $snort_uuid) if ($snortcfg['blockoffenders7'] == "on") { if ($snortcfg['whitelistname'] == "default") $spoink_whitelist_name = 'defaultwlist'; - else if (file_exists("/usr/local/etc/snort/whitelist/{$snortcfg['whitelistname']}")) + else if (file_exists("{$snortdir}/whitelist/{$snortcfg['whitelistname']}")) $spoink_whitelist_name = $snortcfg['whitelistname']; $pfkill = ""; if ($snortcfg['blockoffenderskill'] == "on") $pfkill = "kill"; - $spoink_type = "output alert_pf: /usr/local/etc/snort/whitelist/{$spoink_whitelist_name},snort2c,{$snortcfg['blockoffendersip']},{$pfkill}"; + $spoink_type = "output alert_pf: {$snortdir}/whitelist/{$spoink_whitelist_name},snort2c,{$snortcfg['blockoffendersip']},{$pfkill}"; } /* define threshold file */ $threshold_file_name = ""; if ($snortcfg['suppresslistname'] != 'default') { - if (file_exists("/usr/local/etc/snort/suppress/{$snortcfg['suppresslistname']}")) - $threshold_file_name = "include /usr/local/etc/snort/suppress/{$snortcfg['suppresslistname']}"; + if (file_exists("{$snortdir}/suppress/{$snortcfg['suppresslistname']}")) + $threshold_file_name = "include {$snortdir}/suppress/{$snortcfg['suppresslistname']}"; } /* define servers and ports snortdefservers */ @@ -1475,9 +1472,11 @@ function generate_snort_conf($id, $if_real, $snort_uuid) $enabled_rulesets = $snortcfg['rulesets']; $selected_rules_sections = ""; if (!empty($enabled_rulesets)) { - $enabled_rulesets_array = split("\|\|", $enabled_rulesets); - foreach($enabled_rulesets_array as $enabled_item) - $selected_rules_sections .= "include \$RULE_PATH/{$enabled_item}\n"; + $enabled_rulesets_array = explode("||", $enabled_rulesets); + foreach($enabled_rulesets_array as $enabled_item) { + if (file_exists("{$snortdir}/snort_{$snort_uuid}_{$if_real}/rules/{$enabled_item}")) + $selected_rules_sections .= "include \$RULE_PATH/{$enabled_item}\n"; + } } ///////////////////////////// @@ -1517,7 +1516,7 @@ EOD; # ################# -preprocessor http_inspect: global iis_unicode_map unicode.map 1252 compress_depth 65535 decompress_depth 65535 +preprocessor http_inspect: global {$snortdir}, iis_unicode_map unicode.map 1252 compress_depth 65535 decompress_depth 65535 preprocessor http_inspect_server: server default \ ports { 80 8080 } \ @@ -1576,7 +1575,7 @@ EOD; # ##################### -preprocessor ftp_telnet: global \ +preprocessor ftp_telnet: global {$snortdir}, \ inspection_type stateless preprocessor ftp_telnet_protocol: telnet \ @@ -1750,9 +1749,9 @@ EOD; $def_max_queued_segs_type = ' max_queued_segs ' . $snortcfg['max_queued_segs'] . ','; $snort_preprocessor_decoder_rules = ""; - if (file_exists("/usr/local/etc/snort/preproc_rules/preprocessor.rules")) + if (file_exists("{$snortdir}/preproc_rules/preprocessor.rules")) $snort_preprocessor_decoder_rules .= "include \$PREPROC_RULE_PATH/preprocessor.rules\n"; - if (file_exists("/usr/local/etc/snort/preproc_rules/decoder.rules")) + if (file_exists("{$snortdir}/preproc_rules/decoder.rules")) $snort_preprocessor_decoder_rules .= "include \$PREPROC_RULE_PATH/decoder.rules\n"; /* build snort configuration file */ @@ -1846,8 +1845,8 @@ portvar DCERPC_BRIGHTSTORE [6503,6504] # ##################### -var RULE_PATH /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/rules -var PREPROC_RULE_PATH /usr/local/etc/snort/preproc_rules +var RULE_PATH {$snortdir}/snort_{$snort_uuid}_{$if_real}/rules +var PREPROC_RULE_PATH {$snortdir}/preproc_rules ################################ # @@ -1885,10 +1884,10 @@ dynamicdetection directory /usr/local/lib/snort/dynamicrules # ################### -preprocessor frag3_global: max_frags 8192 +preprocessor frag3_global {$snortdir}: max_frags 8192 preprocessor frag3_engine: policy bsd detect_anomalies -preprocessor stream5_global: track_tcp yes, track_udp yes, track_icmp yes +preprocessor stream5_global {$snortdir}: track_tcp yes, track_udp yes, track_icmp yes preprocessor stream5_tcp: policy BSD, ports both all, {$def_max_queued_bytes_type}{$def_max_queued_segs_type} preprocessor stream5_udp: @@ -1939,8 +1938,8 @@ preprocessor ssl: ports { {$def_ssl_ports_ignore_type} }, trustservers, noinspec # ################# -include /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/reference.config -include /usr/local/etc/snort/snort_{$snort_uuid}_{$if_real}/classification.config +include {$snortdir}/snort_{$snort_uuid}_{$if_real}/reference.config +include {$snortdir}/snort_{$snort_uuid}_{$if_real}/classification.config {$snort_preprocessor_decoder_rules} $threshold_file_name |