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-rw-r--r--config/suricata/suricata.inc142
1 files changed, 77 insertions, 65 deletions
diff --git a/config/suricata/suricata.inc b/config/suricata/suricata.inc
index 1b6f5eb3..5c052cd2 100644
--- a/config/suricata/suricata.inc
+++ b/config/suricata/suricata.inc
@@ -77,16 +77,12 @@ function suricata_generate_id() {
}
function suricata_is_running($suricata_uuid, $if_real, $type = 'suricata') {
- global $config, $g;
-
- if (isvalidpid("{$g['varrun_path']}/{$type}_{$if_real}{$suricata_uuid}.pid"))
- return true;
- else
- return false;
+ global $g;
+ return isvalidpid("{$g['varrun_path']}/{$type}_{$if_real}{$suricata_uuid}.pid");
}
function suricata_barnyard_stop($suricatacfg, $if_real) {
- global $config, $g;
+ global $g;
$suricata_uuid = $suricatacfg['uuid'];
if (isvalidpid("{$g['varrun_path']}/barnyard2_{$if_real}{$suricata_uuid}.pid")) {
@@ -96,13 +92,13 @@ function suricata_barnyard_stop($suricatacfg, $if_real) {
}
function suricata_stop($suricatacfg, $if_real) {
- global $config, $g;
+ global $g;
$suricata_uuid = $suricatacfg['uuid'];
if (isvalidpid("{$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid")) {
log_error("[Suricata] Suricata STOP for {$suricatacfg['descr']}({$if_real})...");
killbypid("{$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid");
- sleep(2);
+ sleep(1);
// For some reason Suricata seems to need a double TERM signal to actually shutdown
if (isvalidpid("{$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid"))
@@ -113,7 +109,7 @@ function suricata_stop($suricatacfg, $if_real) {
}
function suricata_barnyard_start($suricatacfg, $if_real) {
- global $config, $g;
+ global $g;
$suricata_uuid = $suricatacfg['uuid'];
$suricatadir = SURICATADIR . "suricata_{$suricata_uuid}_{$if_real}";
@@ -121,19 +117,19 @@ function suricata_barnyard_start($suricatacfg, $if_real) {
if ($suricatacfg['barnyard_enable'] == 'on') {
log_error("[Suricata] Barnyard2 START for {$suricatacfg['descr']}({$if_real})...");
- exec("/usr/local/bin/barnyard2 -r {$suricata_uuid} -f unified2.alert --pid-path {$g['varrun_path']} --nolock-pidfile -c {$suricatadir}/barnyard2.conf -d {$suricatalogdir} -D -q");
+ mwexec_bg("/usr/local/bin/barnyard2 -r {$suricata_uuid} -f unified2.alert --pid-path {$g['varrun_path']} --nolock-pidfile -c {$suricatadir}/barnyard2.conf -d {$suricatalogdir} -D -q");
}
}
function suricata_start($suricatacfg, $if_real) {
- global $config, $g;
+ global $g;
$suricatadir = SURICATADIR;
$suricata_uuid = $suricatacfg['uuid'];
if ($suricatacfg['enable'] == 'on') {
log_error("[Suricata] Suricata START for {$suricatacfg['descr']}({$if_real})...");
- exec("/usr/local/bin/suricata -i {$if_real} -D -c {$suricatadir}suricata_{$suricata_uuid}_{$if_real}/suricata.yaml --pidfile {$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid");
+ mwexec_bg("/usr/local/bin/suricata -i {$if_real} -D -c {$suricatadir}suricata_{$suricata_uuid}_{$if_real}/suricata.yaml --pidfile {$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid");
}
else
return;
@@ -154,7 +150,7 @@ function suricata_reload_config($suricatacfg, $signal="USR2") {
/* */
/* $signal = USR2 (default) parses and reloads config. */
/**************************************************************/
- global $config, $g;
+ global $g;
$suricatadir = SURICATADIR;
$suricata_uuid = $suricatacfg['uuid'];
@@ -166,8 +162,8 @@ function suricata_reload_config($suricatacfg, $signal="USR2") {
/******************************************************/
if (isvalidpid("{$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid")) {
log_error("[Suricata] Suricata LIVE RULE RELOAD initiated for {$suricatacfg['descr']} ({$if_real})...");
- sigkillbypid("{$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid", $signal);
-// exec("/bin/pkill -{$signal} -F {$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid 2>&1 &");
+// sigkillbypid("{$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid", $signal);
+ mwexec_bg("/bin/pkill -{$signal} -F {$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid");
}
}
@@ -183,7 +179,7 @@ function suricata_barnyard_reload_config($suricatacfg, $signal="HUP") {
/* */
/* $signal = HUP (default) parses and reloads config. */
/**************************************************************/
- global $config, $g;
+ global $g;
$suricatadir = SURICATADIR;
$suricata_uuid = $suricatacfg['uuid'];
@@ -195,8 +191,8 @@ function suricata_barnyard_reload_config($suricatacfg, $signal="HUP") {
/******************************************************/
if (isvalidpid("{$g['varrun_path']}/barnyard2_{$if_real}{$suricata_uuid}.pid")) {
log_error("[Suricata] Barnyard2 CONFIG RELOAD initiated for {$suricatacfg['descr']} ({$if_real})...");
- sigkillbypid("{$g['varrun_path']}/barnyard2_{$if_real}{$suricata_uuid}.pid", $signal);
-// exec("/bin/pkill -{$signal} -F {$g['varrun_path']}/barnyard2_{$if_real}{$suricata_uuid}.pid 2>&1 &");
+// sigkillbypid("{$g['varrun_path']}/barnyard2_{$if_real}{$suricata_uuid}.pid", $signal);
+ mwexec_bg("/bin/pkill -{$signal} -F {$g['varrun_path']}/barnyard2_{$if_real}{$suricata_uuid}.pid");
}
}
@@ -698,16 +694,28 @@ function suricata_build_sid_msg_map($rules_path, $sid_file) {
/*************************************************************/
/* This function reads all the rules file in the passed */
/* $rules_path variable and produces a properly formatted */
- /* sid-msg.map file for use by Suricata and/or barnyard2. */
+ /* sid-msg.map v2 file for use by Suricata and barnyard2. */
+ /* */
+ /* This function produces the new v2 format sid-msg.map */
+ /* with the field layout as follows: */
+ /* */
+ /* GID || SID || REV || CLASSTYPE || PRI || MSG || REF ... */
+ /* */
+ /* On Entry: $rules_path --> array or directory of files */
+ /* or a single file containing */
+ /* the rules to read. */
+ /* $sid_file --> the complete destination path */
+ /* and filename for the output */
+ /* sid-msg.map file. */
/*************************************************************/
$sidMap = array();
$rule_files = array();
- // First check if we were passed a directory, a single file
- // or an array of filenames to read. Set our $rule_files
- // variable accordingly. If we can't figure it out, return
- // and don't write a sid_msg_map file.
+ /* First check if we were passed a directory, a single file */
+ /* or an array of filenames to read. Set our $rule_files */
+ /* variable accordingly. If we can't figure it out, return */
+ /* and don't write a sid-msg.map file. */
if (is_string($rules_path)) {
if (is_dir($rules_path))
$rule_files = glob($rules_path . "*.rules");
@@ -719,14 +727,14 @@ function suricata_build_sid_msg_map($rules_path, $sid_file) {
else
return;
- // Read the rule files into an array, then iterate the list
+ /* Read the rule files into an array, then iterate the list */
foreach ($rule_files as $file) {
- // Don't process files with "deleted" in the filename
+ /* Don't process files with "deleted" in the filename */
if (stristr($file, "deleted"))
continue;
- // Read the file into an array, skipping missing files.
+ /* Read the file into an array, skipping missing files. */
if (!file_exists($file))
continue;
@@ -734,24 +742,24 @@ function suricata_build_sid_msg_map($rules_path, $sid_file) {
$record = "";
$b_Multiline = false;
- // Read and process each line from the rules in the current file
+ /* Read and process each line from the rules in the current file */
foreach ($rules_array as $rule) {
- // Skip any non-rule lines unless we're in multiline mode.
+ /* Skip any non-rule lines unless we're in multiline mode. */
if (!preg_match('/^\s*#*\s*(alert|drop|pass)/i', $rule) && !$b_Multiline)
continue;
- // Test for a multi-line rule, and reassemble the
- // pieces back into a single line.
+ /* Test for a multi-line rule, and reassemble the */
+ /* pieces back into a single line. */
if (preg_match('/\\\\s*[\n]$/m', $rule)) {
$rule = substr($rule, 0, strrpos($rule, '\\'));
$record .= $rule;
$b_Multiline = true;
continue;
}
- // If the last segment of a multiline rule, then
- // append it onto the previous parts to form a
- // single-line rule for further processing below.
+ /* If the last segment of a multiline rule, then */
+ /* append it onto the previous parts to form a */
+ /* single-line rule for further processing below. */
elseif (!preg_match('/\\\\s*[\n]$/m', $rule) && $b_Multiline) {
$record .= $rule;
$rule = $record;
@@ -759,8 +767,12 @@ function suricata_build_sid_msg_map($rules_path, $sid_file) {
$b_Multiline = false;
$record = "";
- // Parse the rule to find sid and any references.
+ /* Parse the rule to find sid and any references. */
+ $gid = '1'; // default to 1 for regular rules
$sid = '';
+ $rev = '';
+ $classtype = 'NOCLASS'; // required default for v2 format
+ $priority = '0'; // required default for v2 format
$msg = '';
$matches = '';
$sidEntry = '';
@@ -768,23 +780,32 @@ function suricata_build_sid_msg_map($rules_path, $sid_file) {
$msg = trim($matches[1]);
if (preg_match('/\bsid\s*:\s*(\d+)\s*;/i', $rule, $matches))
$sid = trim($matches[1]);
- if (!empty($sid) && !empty($msg)) {
- $sidEntry = $sid . ' || ' . $msg;
+ if (preg_match('/\bgid\s*:\s*(\d+)\s*;/i', $rule, $matches))
+ $gid = trim($matches[1]);
+ if (preg_match('/\brev\s*:\s*([^\;]+)/i', $rule, $matches))
+ $rev = trim($matches[1]);
+ if (preg_match('/\bclasstype\s*:\s*([^\;]+)/i', $rule, $matches))
+ $classtype = trim($matches[1]);
+ if (preg_match('/\bpriority\s*:\s*([^\;]+)/i', $rule, $matches))
+ $priority = trim($matches[1]);
+
+ if (!empty($gid) && !empty($sid) && !empty($msg)) {
+ $sidEntry = $gid . ' || ' . $sid . ' || ' . $rev . ' || ' . $classtype . ' || ';
+ $sidEntry .= $priority . ' || ' . $msg;
preg_match_all('/\breference\s*:\s*([^\;]+)/i', $rule, $matches);
foreach ($matches[1] as $ref)
$sidEntry .= " || " . trim($ref);
$sidEntry .= "\n";
- if (!is_array($sidMap[$sid]))
- $sidMap[$sid] = array();
- $sidMap[$sid] = $sidEntry;
+ $sidMap[] = $sidEntry;
}
}
}
- // Sort the generated sid-msg map by sid
- ksort($sidMap);
+ /* Sort the generated sid-msg map */
+ natcasesort($sidMap);
- // Now print the result to the supplied file
- @file_put_contents($sid_file, array_values($sidMap));
+ /* Now print the result to the supplied file */
+ @file_put_contents($sid_file, "#v2\n# sid-msg.map file auto-generated by Snort.\n\n");
+ @file_put_contents($sid_file, array_values($sidMap), FILE_APPEND);
}
function suricata_merge_reference_configs($cfg_in, $cfg_out) {
@@ -1688,27 +1709,18 @@ function suricata_create_rc() {
$start_barnyard = <<<EOE
if [ ! -f {$g['varrun_path']}/barnyard2_{$if_real}{$suricata_uuid}.pid ]; then
- pid=`/bin/pgrep -f "barnyard2 -r {$suricata_uuid} "`
+ pid=`/bin/pgrep -fn "barnyard2 -r {$suricata_uuid} "`
else
pid=`/bin/pgrep -F {$g['varrun_path']}/barnyard2_{$if_real}{$suricata_uuid}.pid`
fi
+
if [ ! -z \$pid ]; then
- /usr/bin/logger -p daemon.info -i -t SuricataStartup "Barnyard2 STOP for {$value['descr']}({$suricata_uuid}_{$if_real})..."
- /bin/pkill -TERM \$pid
- time=0 timeout=30
- while /bin/kill -TERM \$pid 2>/dev/null; do
- sleep 1
- time=\$((time+1))
- if [ \$time -gt \$timeout ]; then
- break
- fi
- done
- if [ -f /var/run/barnyard2_{$if_real}{$suricata_uuid}.pid ]; then
- /bin/rm /var/run/barnyard2_{$if_real}{$suricata_uuid}.pid
- fi
+ /usr/bin/logger -p daemon.info -i -t SuricataStartup "Barnyard2 SOFT RESTART for {$value['descr']}({$suricata_uuid}_{$if_real})..."
+ /bin/pkill -HUP \$pid
+ else
+ /usr/bin/logger -p daemon.info -i -t SuricataStartup "Barnyard2 START for {$value['descr']}({$suricata_uuid}_{$if_real})..."
+ /usr/local/bin/barnyard2 -r {$suricata_uuid} -f unified2.alert --pid-path {$g['varrun_path']} --nolock-pidfile -c {$suricatadir}suricata_{$suricata_uuid}_{$if_real}/barnyard2.conf -d {$suricatalogdir}suricata_{$if_real}{$suricata_uuid} -D -q
fi
- /usr/bin/logger -p daemon.info -i -t SuricataStartup "Barnyard2 START for {$value['descr']}({$suricata_uuid}_{$if_real})..."
- /usr/local/bin/barnyard2 -r {$suricata_uuid} -f unified2.alert --pid-path {$g['varrun_path']} --nolock-pidfile -c {$suricatadir}suricata_{$suricata_uuid}_{$if_real}/barnyard2.conf -d {$suricatalogdir}suricata_{$if_real}{$suricata_uuid} -D -q
EOE;
$stop_barnyard2 = <<<EOE
@@ -1729,9 +1741,9 @@ EOE;
/bin/rm /var/run/barnyard2_{$if_real}{$suricata_uuid}.pid
fi
else
- pid=`/bin/pgrep -f "barnyard2 -r {$suricata_uuid} "`
+ pid=`/bin/pgrep -fn "barnyard2 -r {$suricata_uuid} "`
if [ ! -z \$pid ]; then
- /bin/pkill -TERM -f "barnyard2 -r {$suricata_uuid} "
+ /bin/pkill -TERM -fn "barnyard2 -r {$suricata_uuid} "
time=0 timeout=30
while /bin/kill -TERM \$pid 2>/dev/null; do
sleep 1
@@ -1754,7 +1766,7 @@ EOE;
###### For Each Iface
# Start suricata and barnyard2
if [ ! -f {$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid ]; then
- pid=`/bin/pgrep -f "suricata -i {$if_real} "`
+ pid=`/bin/pgrep -fn "suricata -i {$if_real} "`
else
pid=`/bin/pgrep -F {$g['varrun_path']}/suricata_{$if_real}{$suricata_uuid}.pid`
fi
@@ -1790,10 +1802,10 @@ EOE;
/bin/rm /var/run/suricata_{$if_real}{$suricata_uuid}.pid
fi
else
- pid=`/bin/pgrep -f "suricata -i {$if_real} "`
+ pid=`/bin/pgrep -fn "suricata -i {$if_real} "`
if [ ! -z \$pid ]; then
/usr/bin/logger -p daemon.info -i -t SuricataStartup "Suricata STOP for {$value['descr']}({$suricata_uuid}_{$if_real})..."
- /bin/pkill -TERM -f "suricata -i {$if_real} "
+ /bin/pkill -TERM -fn "suricata -i {$if_real} "
time=0 timeout=30
while /bin/kill -TERM \$pid 2>/dev/null; do
sleep 1
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 11:35:06 +0000