tests: py: add payload merging test cases

commit 04fc306359a49bc9f314ae82520218f5dfebfef1 upstream.

Add a test case that would fail without preceeding fix.

[ NB. Precending fix is f35a0d78fe870737fa39d859bd2e3ac25bf1b12e ]

Signed-off-by: Florian Westphal <fw@strlen.de>

3 files changed, 291 insertions, 0 deletions

diff --git a/tests/py/inet/payloadmerge.t b/tests/py/inet/payloadmerge.t
new file mode 100644
index 00000000..04ba1ce6
--- /dev/null
+++ b/tests/py/inet/payloadmerge.t
@@ -0,0 +1,14 @@
+:input;type filter hook input priority 0
+
+*ip;test-ip4;input
+*ip6;test-ip6;input
+*inet;test-inet;input
+
+tcp sport 1 tcp dport 2;ok
+tcp sport != 1 tcp dport != 2;ok
+tcp sport 1 tcp dport != 2;ok
+tcp sport != 1 tcp dport 2;ok
+meta l4proto != 6 th dport 2;ok
+meta l4proto 6 tcp dport 22;ok;tcp dport 22
+tcp sport > 1 tcp dport > 2;ok
+tcp sport 1 tcp dport > 2;ok
diff --git a/tests/py/inet/payloadmerge.t.json b/tests/py/inet/payloadmerge.t.json
new file mode 100644
index 00000000..e5b66cf9
--- /dev/null
+++ b/tests/py/inet/payloadmerge.t.json
@@ -0,0 +1,211 @@
+# tcp sport 1 tcp dport 2
+[
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "sport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": "==",
+            "right": 1
+        }
+    },
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "dport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": "==",
+            "right": 2
+        }
+    }
+]
+
+# tcp sport != 1 tcp dport != 2
+[
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "sport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": "!=",
+            "right": 1
+        }
+    },
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "dport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": "!=",
+            "right": 2
+        }
+    }
+]
+
+# tcp sport 1 tcp dport != 2
+[
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "sport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": "==",
+            "right": 1
+        }
+    },
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "dport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": "!=",
+            "right": 2
+        }
+    }
+]
+
+# tcp sport != 1 tcp dport 2
+[
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "sport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": "!=",
+            "right": 1
+        }
+    },
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "dport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": "==",
+            "right": 2
+        }
+    }
+]
+
+# meta l4proto != 6 th dport 2
+[
+    {
+        "match": {
+            "left": {
+                "meta": {
+                    "key": "l4proto"
+                }
+            },
+            "op": "!=",
+            "right": 6
+        }
+    },
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "dport",
+                    "protocol": "th"
+                }
+            },
+            "op": "==",
+            "right": 2
+        }
+    }
+]
+
+# meta l4proto 6 tcp dport 22
+[
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "dport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": "==",
+            "right": 22
+        }
+    }
+]
+
+# tcp sport > 1 tcp dport > 2
+[
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "sport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": ">",
+            "right": 1
+        }
+    },
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "dport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": ">",
+            "right": 2
+        }
+    }
+]
+
+# tcp sport 1 tcp dport > 2
+[
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "sport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": "==",
+            "right": 1
+        }
+    },
+    {
+        "match": {
+            "left": {
+                "payload": {
+                    "field": "dport",
+                    "protocol": "tcp"
+                }
+            },
+            "op": ">",
+            "right": 2
+        }
+    }
+]
+
diff --git a/tests/py/inet/payloadmerge.t.payload b/tests/py/inet/payloadmerge.t.payload
new file mode 100644
index 00000000..a0465cdd
--- /dev/null
+++ b/tests/py/inet/payloadmerge.t.payload
@@ -0,0 +1,66 @@
+# tcp sport 1 tcp dport 2
+ip test-ip4 input
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 4b @ transport header + 0 => reg 1 ]
+  [ cmp eq reg 1 0x02000100 ]
+
+# tcp sport != 1 tcp dport != 2
+ip test-ip4 input
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 2b @ transport header + 0 => reg 1 ]
+  [ cmp neq reg 1 0x00000100 ]
+  [ payload load 2b @ transport header + 2 => reg 1 ]
+  [ cmp neq reg 1 0x00000200 ]
+
+# tcp sport 1 tcp dport != 2
+ip test-ip4 input
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 2b @ transport header + 0 => reg 1 ]
+  [ cmp eq reg 1 0x00000100 ]
+  [ payload load 2b @ transport header + 2 => reg 1 ]
+  [ cmp neq reg 1 0x00000200 ]
+
+# tcp sport != 1 tcp dport 2
+ip test-ip4 input
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 2b @ transport header + 0 => reg 1 ]
+  [ cmp neq reg 1 0x00000100 ]
+  [ payload load 2b @ transport header + 2 => reg 1 ]
+  [ cmp eq reg 1 0x00000200 ]
+
+# meta l4proto != 6 th dport 2
+ip test-ip4 input
+  [ meta load l4proto => reg 1 ]
+  [ cmp neq reg 1 0x00000006 ]
+  [ payload load 2b @ transport header + 2 => reg 1 ]
+  [ cmp eq reg 1 0x00000200 ]
+
+# meta l4proto 6 tcp dport 22
+ip test-ip4 input
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 2b @ transport header + 2 => reg 1 ]
+  [ cmp eq reg 1 0x00001600 ]
+
+# tcp sport > 1 tcp dport > 2
+ip test-ip4 input
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 2b @ transport header + 0 => reg 1 ]
+  [ cmp gt reg 1 0x00000100 ]
+  [ payload load 2b @ transport header + 2 => reg 1 ]
+  [ cmp gt reg 1 0x00000200 ]
+
+# tcp sport 1 tcp dport > 2
+ip test-ip4 input
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 2b @ transport header + 0 => reg 1 ]
+  [ cmp eq reg 1 0x00000100 ]
+  [ payload load 2b @ transport header + 2 => reg 1 ]
+  [ cmp gt reg 1 0x00000200 ]
+