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authorPhil Sutter <phil@nwl.cc>2017-03-10 18:13:51 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2017-03-10 19:01:21 +0100
commite02bd59c4009bedba89da88b199e715441975439 (patch)
tree89dd9f1959adf4065d23da80053e119fe1483500 /tests/py/inet
parent627be570eff8f05849614a257e6fa45c744f4dbd (diff)
exthdr: Implement existence check
This allows to check for existence of an IPv6 extension or TCP option header by using the following syntax: | exthdr frag exists | tcpopt window exists Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'tests/py/inet')
-rw-r--r--tests/py/inet/tcpopt.t3
-rw-r--r--tests/py/inet/tcpopt.t.payload.inet14
2 files changed, 17 insertions, 0 deletions
diff --git a/tests/py/inet/tcpopt.t b/tests/py/inet/tcpopt.t
index 59452b48..a42ecd25 100644
--- a/tests/py/inet/tcpopt.t
+++ b/tests/py/inet/tcpopt.t
@@ -35,3 +35,6 @@ tcp option eol left 1;fail
tcp option eol left 1;fail
tcp option sack window;fail
tcp option sack window 1;fail
+
+tcp option window exists;ok
+tcp option window missing;ok
diff --git a/tests/py/inet/tcpopt.t.payload.inet b/tests/py/inet/tcpopt.t.payload.inet
index 12deab8c..0d14e779 100644
--- a/tests/py/inet/tcpopt.t.payload.inet
+++ b/tests/py/inet/tcpopt.t.payload.inet
@@ -179,3 +179,17 @@ inet test-inet input
[ cmp eq reg 1 0x00000006 ]
[ exthdr load tcpopt 4b @ 8 + 6 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
+
+# tcp option window exists
+inet test-inet input
+ [ meta load l4proto => reg 1 ]
+ [ cmp eq reg 1 0x00000006 ]
+ [ exthdr load tcpopt 1b @ 3 + 0 => reg 1 ]
+ [ cmp eq reg 1 0x00000001 ]
+
+# tcp option window missing
+inet test-inet input
+ [ meta load l4proto => reg 1 ]
+ [ cmp eq reg 1 0x00000006 ]
+ [ exthdr load tcpopt 1b @ 3 + 0 => reg 1 ]
+ [ cmp eq reg 1 0x00000000 ]