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Extensions commonly require the upper range value to be larger or equal
to the lower one. Performing this check in the parser is easier and
covers all extensions at once.
One notable exception is NFQUEUE which requires strict monotonicity.
Hence leave its checks in place.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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This has to either consider ->nvals > 1 or check the values
post-no-range-fixup:
./iptables-test.py extensions/libebt_stp.t
extensions/libebt_stp.t: ERROR: line 12 (cannot load: ebtables -A INPUT --stp-root-cost 1)
(it tests 0 < 1 and fails, but test should be 1 < 1).
Fixes: dc6efcfeac38 ("extensions: libebt_stp: Use guided option parser")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Phil Sutter <phil@nwl.cc>
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ebtables-nft has always supported both intra- and extrapositioned
negations but defaulted to intrapositioned when printing/saving rules.
With commit 58d364c7120b5 ("ebtables: Use do_parse() from xshared")
though, it started to warn about intrapositioned negations. So change
the default to avoid mandatory warnings when e.g. loading previously
dumped rulesets.
Also adjust test cases, help texts and ebtables-nft.8 accordingly.
Cc: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Phil Sutter <phil@nwl.cc>
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No need for print_range() to print a trailing whitespace, caller does
this already.
Fixes: fd8d7d7e5d911 ("ebtables-nft: add stp match")
Signed-off-by: Phil Sutter <phil@nwl.cc>
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This wraps strdup(), checking for errors.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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Adding a parser which supports common names for special MAC/mask
combinations and a print routine detecting those special addresses and
printing the respective name allows to consolidate all the various
duplicated implementations.
The side-effects of this change are manageable:
* arptables now accepts "BGA" as alias for the bridge group address
* "mac" match now prints MAC addresses in lower-case which is consistent
with the remaining code at least
Signed-off-by: Phil Sutter <phil@nwl.cc>
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This reverts commit 5f508b76a0cebaf91965ffa678089222e2d47964.
While attempts at unifying syntax between arp-, eb- and iptables-nft
increase the opportunity for more code-sharing, they are problematic
when it comes to compatibility. Accepting the old syntax on input helps,
but due to the fact that neither arptables nor ebtables support --check
command we must expect for users to test existence of a rule by
comparing input with output. If that happens in a script, deviating from
the old syntax in output has a high chance of breaking it.
Therefore revert Florian's patch changing inversion character position
in output and review the old code for consistency - the only thing
changed on top of the actual revert is ebtables' own copy of
print_iface() to make it adhere to the intrapositioned negation scheme
used throughout ebtables.
Added extension tests by the reverted commit have been kept.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
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in the iptables universe, we enforce extrapositioned negation:
! -i foo
"-i ! foo" is not even supported anymore.
At least make sure that ebtables prints the former syntax everywhere as
well so we don't have a mix of both ways.
Parsing of --option ! 42 will still work for backwards compat reasons.
Signed-off-by: Florian Westphal <fw@strlen.de>
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This changes ebtables-nft to consistently print mac
address with two characters, i.e.
00:01:02:03:04:0a, not 0:1:2:3:4:a.
Will require another bump of vcurrent/vage.
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Unfortunately no nft translation available so far.
Signed-off-by: Florian Westphal <fw@strlen.de>
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