detect: add test for ldap.request.operation

Ticket: #7453

tests/detect-ldap-operation/README.md

@@ -0,0 +1,3 @@
+Test ldap.request.operation and ldap.response.operation keywords.
+
+PCAP from ../ldap-search/ldap.pcap

tests/detect-ldap-operation/test.rules

@@ -0,0 +1,4 @@
+alert tcp any any -> any any (msg:"Test LDAP search request number argument"; ldap.request.operation:3; sid:1;)
+alert tcp any any -> any any (msg:"Test LDAP search request str argument"; ldap.request.operation:search_request; sid:2;)
+alert tcp any any -> any any (msg:"Test LDAP search result entry"; ldap.responses.operation:search_result_entry; sid:3;)
+alert tcp any any -> any any (msg:"Test LDAP search result done"; ldap.responses.operation:search_result_done; sid:4;)

tests/detect-ldap-operation/test.yaml

@@ -0,0 +1,36 @@
+requires:
+  min-version: 8
+
+pcap: ../ldap-search/ldap.pcap
+
+args:
+  - -k none
+
+checks:
+  - filter:
+      count: 1
+      match:
+        event_type: alert
+        pcap_cnt: 7
+        ldap.request.operation: search_request
+        alert.signature_id: 1
+  - filter:
+      count: 1
+      match:
+        event_type: alert
+        pcap_cnt: 7
+        ldap.request.operation: search_request
+        alert.signature_id: 2
+  - filter:
+      count: 1
+      match:
+        event_type: alert
+        pcap_cnt: 8
+        ldap.responses[0].operation: search_result_entry
+        alert.signature_id: 3
+  - filter:
+      count: 1
+      match:
+        event_type: alert
+        ldap.responses[1].operation: search_result_done
+        alert.signature_id: 4