mirror of
https://github.com/Security-Onion-Solutions/securityonion.git
synced 2026-07-02 23:28:18 +02:00
Merge pull request #16021 from Security-Onion-Solutions/surirulereload
suricata: verify reloaded ruleset is newer than the rules file
This commit is contained in:
@@ -7,5 +7,50 @@
|
||||
|
||||
. /usr/sbin/so-common
|
||||
|
||||
retry 60 3 'docker exec so-suricata /opt/suricata/bin/suricatasc -c reload-rules /var/run/suricata/suricata-command.socket' '{"message":"done","return":"OK"}' || fail "The Suricata container was not ready in time."
|
||||
retry 60 3 'docker exec so-suricata /opt/suricata/bin/suricatasc -c ruleset-reload-nonblocking /var/run/suricata/suricata-command.socket' '{"message":"done","return":"OK"}' || fail "The Suricata container was not ready in time."
|
||||
RULES_FILE="/opt/so/rules/suricata/all-rulesets.rules"
|
||||
SOCKET="/var/run/suricata/suricata-command.socket"
|
||||
SURICATASC="docker exec so-suricata /opt/suricata/bin/suricatasc"
|
||||
|
||||
# Epoch mtime of the ruleset we need Suricata to have loaded. Captured once so a
|
||||
# file update mid-reload does not move the goalpost.
|
||||
target_mtime=$(stat -c %Y "$RULES_FILE") || fail "Could not stat the Suricata rules file: $RULES_FILE"
|
||||
|
||||
# Format an epoch as a human-readable local timestamp for log messages.
|
||||
fmt_time() { date -d "@$1" '+%Y-%m-%d %H:%M:%S %Z' 2>/dev/null; }
|
||||
|
||||
# Epoch of Suricata's last *completed* ruleset reload; non-zero return on failure.
|
||||
suricata_reload_epoch() {
|
||||
local out ts
|
||||
out=$($SURICATASC -c ruleset-reload-time "$SOCKET" 2>/dev/null)
|
||||
ts=$(echo "$out" | jq -r '.message[0].last_reload // empty' 2>/dev/null)
|
||||
[ -n "$ts" ] || return 1
|
||||
date -d "$ts" +%s 2>/dev/null
|
||||
}
|
||||
|
||||
# Trigger a fresh reload and confirm Suricata is running a ruleset at least as new
|
||||
# as the rules file. Returns 0 only when both hold, so retry keeps going until an
|
||||
# in-progress reload clears and our own reload completes.
|
||||
reload_and_verify() {
|
||||
local out reload_epoch
|
||||
out=$($SURICATASC -c reload-rules "$SOCKET")
|
||||
echo "reload-rules: $out"
|
||||
|
||||
if [[ "$out" =~ "Reload already in progress" ]]; then
|
||||
echo "A reload is already in progress; waiting for it to clear so a fresh reload can load the current ruleset."
|
||||
return 1
|
||||
fi
|
||||
if [[ ! "$out" =~ '{"message":"done","return":"OK"}' ]]; then
|
||||
echo "Suricata not ready or unexpected reload output; will retry."
|
||||
return 1
|
||||
fi
|
||||
|
||||
reload_epoch=$(suricata_reload_epoch) || { echo "Could not read ruleset-reload-time; will retry."; return 1; }
|
||||
if [ "$reload_epoch" -ge "$target_mtime" ]; then
|
||||
echo "Loaded ruleset is current: last reload ($(fmt_time "$reload_epoch")) is newer than rules file ($(fmt_time "$target_mtime"))."
|
||||
return 0
|
||||
fi
|
||||
echo "Loaded ruleset is stale: last reload ($(fmt_time "$reload_epoch")) is older than rules file ($(fmt_time "$target_mtime")); retrying."
|
||||
return 1
|
||||
}
|
||||
|
||||
retry 60 3 'reload_and_verify' || fail "Suricata did not load the current ruleset in time."
|
||||
|
||||
Reference in New Issue
Block a user