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Family may be specified also if no address is given at the same time,
make parser/printer tolerant to that. Also fix for missing/incorrect
JSON equivalents in tests/py.
While being at it, fix two issues in non-JSON tests:
* Ruleset is printed in numeric mode, so use 'l4proto 6' instead of
'l4proto tcp' in rules to avoid having to specify expected output for
that unrelated bit.
* In ip and ip6 family tables, family parameter is not deserialized on
output.
Fixes: 3edb96200690b ("parser_bison: missing tproxy syntax with port only for inet family")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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# nft add rule inet filter divert ip daddr 0.0.0.0/0 meta l4proto tcp tproxy ip to :2000
Error: syntax error, unexpected colon
add rule inet filter divert ip daddr 0.0.0.0/0 meta l4proto tcp tproxy ip to :2000
^
Syntax with no protocol for tproxy complains with:
# nft add rule inet filter divert ip daddr 0.0.0.0/0 meta l4proto tcp tproxy to :2000
Error: Conflicting network layer protocols.
add rule inet filter divert ip daddr 0.0.0.0/0 meta l4proto tcp tproxy to :2000
^^^^^^^^^^^^^^^
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1310
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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evaluation step currently prohibits
tproxy ip to 1.2.3.4 in ip family, and
tproxy ip6 to dead::1 in ip6.
This seems an arbitrary limitation, just accept this.
The current restriction would make json output support harder than needed,
as the tproxy expression generated from json path would have to
special-case the table its currently in, rather than just using the
family attribute in the json output.
We obviously still reject the family in case it mismatches
the table family (e.g., can't use ip address in ip6 table).
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Máté Eckl <ecklm94@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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