From: Jason Ish <jason.ish@oisf.net>
Date: Wed, 15 Nov 2023 17:21:12 +0000 (-0600)
Subject: test: new test for dns.answer.name
X-Git-Tag: suricata-6.0.16~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1780a85acc4ad5cb67b7463632bd1303f51287e9;p=thirdparty%2Fsuricata-verify.git

test: new test for dns.answer.name
---

diff --git a/tests/dns/dns-answer-name/README.md b/tests/dns/dns-answer-name/README.md
new file mode 100644
index 000000000..bf5513fec
--- /dev/null
+++ b/tests/dns/dns-answer-name/README.md
@@ -0,0 +1,5 @@
+Test the `dns.answer.name` sticky buffer.
+
+The PCAP here was a request created with Scapy to include answers in
+the request. However the response is from a real DNS server with the
+provided request.
diff --git a/tests/dns/dns-answer-name/dns-udp-request-with-answer.pcap b/tests/dns/dns-answer-name/dns-udp-request-with-answer.pcap
new file mode 100644
index 000000000..102e5aa6f
Binary files /dev/null and b/tests/dns/dns-answer-name/dns-udp-request-with-answer.pcap differ
diff --git a/tests/dns/dns-answer-name/test.rules b/tests/dns/dns-answer-name/test.rules
new file mode 100644
index 000000000..0544ae163
--- /dev/null
+++ b/tests/dns/dns-answer-name/test.rules
@@ -0,0 +1,8 @@
+# Should alert in both directions as no flow is provided.
+alert dns any any -> any any (dns.answer.name; content:"oisf"; sid:1; rev:1;)
+
+# Should only alert in the request direction.
+alert dns any any -> any any (dns.answer.name; content:"oisf"; flow:to_server; sid:2; rev:1;)
+
+# Should only alert in the response direction.
+alert dns any any -> any any (dns.answer.name; content:"oisf"; flow:to_client; sid:3; rev:1;)
diff --git a/tests/dns/dns-answer-name/test.yaml b/tests/dns/dns-answer-name/test.yaml
new file mode 100644
index 000000000..4bc24a91e
--- /dev/null
+++ b/tests/dns/dns-answer-name/test.yaml
@@ -0,0 +1,43 @@
+requires:
+  min-version: 8
+
+checks:
+  - filter:
+      count: 2
+      match:
+        alert.signature_id: 1
+        app_proto: dns
+  - filter:
+      count: 1
+      match:
+        alert.signature_id: 1
+        direction: to_client
+        app_proto: dns
+  - filter:
+      count: 1
+      match:
+        alert.signature_id: 1
+        direction: to_server
+        app_proto: dns
+
+  - filter:
+      count: 1
+      match:
+        alert.signature_id: 2
+  - filter:
+      count: 1
+      match:
+        alert.signature_id: 2
+        direction: to_server
+        app_proto: dns
+
+  - filter:
+      count: 1
+      match:
+        alert.signature_id: 3
+  - filter:
+      count: 1
+      match:
+        alert.signature_id: 3
+        direction: to_client
+        app_proto: dns