mysql: add tests

Author: QianKaiLin

tests/mysql-command/input.pcap

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+%YAML 1.1
+---
+
+outputs:
+  - eve-log:
+      enabled: yes
+      filetype: regular
+      filename: eve.json
+      types:
+        - alert
+
+app-layer:
+  protocols:
+    mysql:
+      enabled: yes

tests/mysql-command/suricata.yaml

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+alert mysql any any -> any any (msg:"test mysql";mysql.command; pcre:"/(?:[1-9]\d{5})(?:(?:1[89]\d{2}|2\d{3})(?:0[1-9]|1[012])(?:0[1-9]|[12][0-9]|3[01]))\d{2}(?:\d)(?:[0-9xX])/i""; sid:1;)

tests/mysql-command/test.rules

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+args:
+- -k none
+
+
+checks:
+  - filter:
+      count: 1
+      match:
+        event_type: alert
+        alert.signature: "test mysql"
+        

tests/mysql-command/test.yaml

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+# Test Description
+
+Test mysql prepare statement like `select * from xxx where id = ?`.
+
+## PCAP
+This PCAP was generated from flow in my workspace.

tests/mysql-prepare-statement/README.md

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+requires:
+  min-version: 8
+
+args:
+- -k none
+
+checks:
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.command: select * from requests WHERE id =1 limit 1
+      mysql.tls: false
+      mysql.version: 8.4.0
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.command: select * from requests WHERE id =2 limit 1
+      mysql.tls: false
+      mysql.version: 8.4.0
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.command: select * from requests WHERE id=3 and client_code=client2 limit
+        1
+      mysql.tls: false
+      mysql.version: 8.4.0
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.command: select * from requests WHERE id =4 limit 1
+      mysql.tls: false
+      mysql.version: 8.4.0
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.command: select * from requests WHERE id =5 limit 1
+      mysql.tls: false
+      mysql.version: 8.4.0
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.command: select * from requests WHERE id =6 limit 1
+      mysql.tls: false
+      mysql.version: 8.4.0
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.command: select * from requests WHERE id =7 limit 1
+      mysql.tls: false
+      mysql.version: 8.4.0
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.command: select * from requests WHERE id=8 and client_code=client2 limit
+        1
+      mysql.tls: false
+      mysql.version: 8.4.0
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.command: select * from requests WHERE id=9 and client_code=client2 limit
+        1
+      mysql.tls: false
+      mysql.version: 8.4.0

tests/mysql-prepare-statement/input.pcap

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+# Test Description
+
+Test mysql normal sql statement.
+
+## PCAP
+This PCAP was generated from flow in my workspace.

tests/mysql-prepare-statement/test.yaml

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+requires:
+  min-version: 8
+
+args:
+- -k none
+
+checks:
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.version: 8.0.32
+      mysql.tls: false
+      mysql.command: "SELECT VERSION()"
+      mysql.rows[0]: "8.0.32"
+- filter:
+    count: 1
+    match:
+      event_type: mysql
+      mysql.version: 8.0.32
+      mysql.tls: false
+      mysql.command: "ping"