diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-07-27 22:26:52 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-07-28 00:31:32 +0200 |
| commit | 347a4aa16e64b8708d61eeb074736bea02258d1d (patch) | |
| tree | 054b49b7e70a6db2fd6ca711c2453c2de8d7c946 /tests/py/inet/tcp.t.payload | |
| parent | 2acc8776e8b436566fc7d73161ef08e6b77b0c45 (diff) | |
netlink_delinearize: skip flags / mask notation for singleton bitmask
Do not transform 'tcp flags & flag == flag' to 'flag / flag'.
The parser does not accept this notation yet.
Fixes: c3d57114f119 ("parser_bison: add shortcut syntax for matching flags without binary operations")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'tests/py/inet/tcp.t.payload')
| -rw-r--r-- | tests/py/inet/tcp.t.payload | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/py/inet/tcp.t.payload b/tests/py/inet/tcp.t.payload index 6b8b4ecd..77b30188 100644 --- a/tests/py/inet/tcp.t.payload +++ b/tests/py/inet/tcp.t.payload @@ -378,6 +378,14 @@ inet test-inet input [ bitwise reg 1 = ( reg 1 & 0x00000002 ) ^ 0x00000000 ] [ cmp neq reg 1 0x00000000 ] +# tcp flags & syn == syn +inet test-inet input + [ meta load l4proto => reg 1 ] + [ cmp eq reg 1 0x00000006 ] + [ payload load 1b @ transport header + 13 => reg 1 ] + [ bitwise reg 1 = ( reg 1 & 0x00000002 ) ^ 0x00000000 ] + [ cmp eq reg 1 0x00000002 ] + # tcp flags & (fin | syn | rst | ack) syn inet test-inet input [ meta load l4proto => reg 1 ] |