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* ebtables: Default to extrapositioned negationsPhil Sutter2024-01-101-6/+4
| | | | | | | | | | | | | | | 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>
* extensions: libebt_802_3: Use guided option parserPhil Sutter2024-01-101-55/+19
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* extensions: libebt_*: Drop some needless init callbacksPhil Sutter2024-01-101-9/+0
| | | | Extension data is zero by default.
* Revert "ebtables: use extrapositioned negation consistently"Phil Sutter2019-02-051-2/+2
| | | | | | | | | | | | | | | | | | | | | | | 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>
* ebtables: use extrapositioned negation consistentlyFlorian Westphal2018-11-121-2/+2
| | | | | | | | | | | | | | 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>
* extensions: update Arturo Borrero email addressArturo Borrero Gonzalez2016-11-101-1/+1
| | | | | | | The email address has changed, let's update it. Signed-off-by: Arturo Borrero Gonzalez <arturo@debian.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* ebtables-compat: call extensions final checksArturo Borrero2015-02-031-0/+2
| | | | | | | Let's call extensions final checks. Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* extensions: cleanup commented code in ebtables-compat extensionsArturo Borrero2015-01-301-29/+0
| | | | | | | | This code can be cleaned up. No need for validation from userspace, the kernel will reject incorrect options. Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* extensions: add ebt 802_3 extensionArturo Borrero2014-12-231-0/+160
This patch adds the first ebtables extension to ebtables-compat. The original 802_3 code is adapted to the xtables environment. I tried to mimic as much as possible the original ebtables code paths. With this patch, ebtables-compat is able to send the 802_3 match to the kernel, but the kernel-to-userspace path is not tested and should be adjusted in follow-up patches. Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>