src: support limit rate over value

So far it was only possible to match packet under a rate limit, this
patch allows you to explicitly indicate if you want to match packets
that goes over or until the rate limit, eg.

... limit rate over 3/second counter log prefix "OVERLIMIT: " drop
... limit rate over 3 mbytes/second counter log prefix "OVERLIMIT: " drop
... ct state invalid limit rate until 1/second counter log prefix "INVALID: "

When listing rate limit until, this shows:

... ct state invalid limit rate 1/second counter log prefix "INVALID: "

thus, the existing syntax is still valid (i.e. default to rate limit until).

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

2 files changed, 99 insertions, 16 deletions

diff --git a/tests/py/any/limit.t b/tests/py/any/limit.t
index 358b5abb..8180bea3 100644
--- a/tests/py/any/limit.t
+++ b/tests/py/any/limit.t
@@ -26,3 +26,22 @@ limit rate 1025 bytes/second burst 512 bytes;ok
 limit rate 1025 kbytes/second burst 1023 kbytes;ok
 limit rate 1025 mbytes/second burst 1025 kbytes;ok
 limit rate 1025000 mbytes/second burst 1023 mbytes;ok
+
+limit rate over 400/minute;ok
+limit rate over 20/second;ok
+limit rate over 400/hour;ok
+limit rate over 40/day;ok
+limit rate over 400/week;ok
+limit rate over 1023/second burst 10 packets;ok
+
+limit rate over 1 kbytes/second;ok
+limit rate over 2 kbytes/second;ok
+limit rate over 1025 kbytes/second;ok
+limit rate over 1023 mbytes/second;ok
+limit rate over 10230 mbytes/second;ok
+limit rate over 1023000 mbytes/second;ok
+
+limit rate over 1025 bytes/second burst 512 bytes;ok
+limit rate over 1025 kbytes/second burst 1023 kbytes;ok
+limit rate over 1025 mbytes/second burst 1025 kbytes;ok
+limit rate over 1025000 mbytes/second burst 1023 mbytes;ok
diff --git a/tests/py/any/limit.t.payload b/tests/py/any/limit.t.payload
index a3c87d84..b0cc84b4 100644
--- a/tests/py/any/limit.t.payload
+++ b/tests/py/any/limit.t.payload
@@ -1,64 +1,128 @@
 # limit rate 400/minute
 ip test-ip4 output
-  [ limit rate 400/minute burst 0 type packets ]
+  [ limit rate 400/minute burst 0 type packets flags 0x0 ]
 
 # limit rate 20/second
 ip test-ip4 output
-  [ limit rate 20/second burst 0 type packets ]
+  [ limit rate 20/second burst 0 type packets flags 0x0 ]
 
 # limit rate 400/hour
 ip test-ip4 output
-  [ limit rate 400/hour burst 0 type packets ]
+  [ limit rate 400/hour burst 0 type packets flags 0x0 ]
 
 # limit rate 400/week
 ip test-ip4 output
-  [ limit rate 400/week burst 0 type packets ]
+  [ limit rate 400/week burst 0 type packets flags 0x0 ]
 
 # limit rate 40/day
 ip test-ip4 output
-  [ limit rate 40/day burst 0 type packets ]
+  [ limit rate 40/day burst 0 type packets flags 0x0 ]
 
 # limit rate 1023/second burst 10 packets
 ip test-ip4 output
-  [ limit rate 1023/second burst 10 type packets ]
+  [ limit rate 1023/second burst 10 type packets flags 0x0 ]
 
 # limit rate 1 kbytes/second
 ip test-ip4 output
-  [ limit rate 1024/second burst 0 type bytes ]
+  [ limit rate 1024/second burst 0 type bytes flags 0x0 ]
 
 # limit rate 2 kbytes/second
 ip test-ip4 output
-  [ limit rate 2048/second burst 0 type bytes ]
+  [ limit rate 2048/second burst 0 type bytes flags 0x0 ]
 
 # limit rate 1025 kbytes/second
 ip test-ip4 output
-  [ limit rate 1049600/second burst 0 type bytes ]
+  [ limit rate 1049600/second burst 0 type bytes flags 0x0 ]
 
 # limit rate 1023 mbytes/second
 ip test-ip4 output
-  [ limit rate 1072693248/second burst 0 type bytes ]
+  [ limit rate 1072693248/second burst 0 type bytes flags 0x0 ]
 
 # limit rate 10230 mbytes/second
 ip test-ip4 output
-  [ limit rate 10726932480/second burst 0 type bytes ]
+  [ limit rate 10726932480/second burst 0 type bytes flags 0x0 ]
 
 # limit rate 1023000 mbytes/second
 ip test-ip4 output
-  [ limit rate 1072693248000/second burst 0 type bytes ]
+  [ limit rate 1072693248000/second burst 0 type bytes flags 0x0 ]
 
 # limit rate 1025 bytes/second burst 512 bytes
 ip test-ip4 output
-  [ limit rate 1025/second burst 512 type bytes ]
+  [ limit rate 1025/second burst 512 type bytes flags 0x0 ]
 
 # limit rate 1025 kbytes/second burst 1023 kbytes
 ip test-ip4 output
-  [ limit rate 1049600/second burst 1047552 type bytes ]
+  [ limit rate 1049600/second burst 1047552 type bytes flags 0x0 ]
 
 # limit rate 1025 mbytes/second burst 1025 kbytes
 ip test-ip4 output
-  [ limit rate 1074790400/second burst 1049600 type bytes ]
+  [ limit rate 1074790400/second burst 1049600 type bytes flags 0x0 ]
 
 # limit rate 1025000 mbytes/second burst 1023 mbytes
 ip test-ip4 output
-  [ limit rate 1074790400000/second burst 1072693248 type bytes ]
+  [ limit rate 1074790400000/second burst 1072693248 type bytes flags 0x0 ]
+
+# limit rate over 400/minute
+ip test-ip4 output
+  [ limit rate 400/minute burst 0 type packets flags 0x1 ]
+
+# limit rate over 20/second
+ip test-ip4 output
+  [ limit rate 20/second burst 0 type packets flags 0x1 ]
+
+# limit rate over 400/hour
+ip test-ip4 output
+  [ limit rate 400/hour burst 0 type packets flags 0x1 ]
+
+# limit rate over 400/week
+ip test-ip4 output
+  [ limit rate 400/week burst 0 type packets flags 0x1 ]
+
+# limit rate over 40/day
+ip test-ip4 output
+  [ limit rate 40/day burst 0 type packets flags 0x1 ]
+
+# limit rate over 1023/second burst 10 packets
+ip test-ip4 output
+  [ limit rate 1023/second burst 10 type packets flags 0x1 ]
+
+# limit rate over 1 kbytes/second
+ip test-ip4 output
+  [ limit rate 1024/second burst 0 type bytes flags 0x1 ]
+
+# limit rate over 2 kbytes/second
+ip test-ip4 output
+  [ limit rate 2048/second burst 0 type bytes flags 0x1 ]
+
+# limit rate over 1025 kbytes/second
+ip test-ip4 output
+  [ limit rate 1049600/second burst 0 type bytes flags 0x1 ]
+
+# limit rate over 1023 mbytes/second
+ip test-ip4 output
+  [ limit rate 1072693248/second burst 0 type bytes flags 0x1 ]
+
+# limit rate over 10230 mbytes/second
+ip test-ip4 output
+  [ limit rate 10726932480/second burst 0 type bytes flags 0x1 ]
+
+# limit rate over 1023000 mbytes/second
+ip test-ip4 output
+  [ limit rate 1072693248000/second burst 0 type bytes flags 0x1 ]
+
+# limit rate over 1025 bytes/second burst 512 bytes
+ip test-ip4 output
+  [ limit rate 1025/second burst 512 type bytes flags 0x1 ]
+
+# limit rate over 1025 kbytes/second burst 1023 kbytes
+ip test-ip4 output
+  [ limit rate 1049600/second burst 1047552 type bytes flags 0x1 ]
+
+# limit rate over 1025 mbytes/second burst 1025 kbytes
+ip test-ip4 output
+  [ limit rate 1074790400/second burst 1049600 type bytes flags 0x1 ]
+
+# limit rate over 1025000 mbytes/second burst 1023 mbytes
+ip test-ip4 output
+  [ limit rate 1074790400000/second burst 1072693248 type bytes flags 0x1 ]