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* Revert "bitwise: add support for passing mask and xor via registers."Pablo Neira Ayuso2020-03-311-46/+24
| | | | | | | This reverts commit 75b8778e5bf630a3fc13e5d76bc64838135f02a9. Kernel support for this new feature might be reworked, keep this back. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* bitwise: add support for passing mask and xor via registers.Jeremy Sowden2020-03-021-24/+46
| | | | | | | | | | The kernel supports passing mask and xor values for bitwise boolean operations via registers. These are mutually exclusive with the existing data attributes: e.g., setting both NFTA_EXPR_BITWISE_MASK and NFTA_EXPR_BITWISE_MREG is an error. Add support to libnftnl. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: bitwise: fix error message.Jeremy Sowden2020-03-021-1/+1
| | | | | | | | In one case, the boolean test was reporting the wrong mismatched attribute. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* bitwise: add support for left- and right-shifts.Jeremy Sowden2020-01-181-18/+184
| | | | | | | The kernel supports bitwise shifts. Add support to libnftnl. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* bitwise: add support for new netlink attributes.Jeremy Sowden2020-01-181-0/+4
| | | | | | | | Add code to set and get the new op and data attributes. The existing boolean bitwise expressions will only use the op attribute. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* bitwise: fix some incorrect indentation.Jeremy Sowden2020-01-181-2/+2
| | | | | Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: shuffle values that are injectedPablo Neira Ayuso2016-06-151-2/+2
| | | | | | | Shuffle value that are used to set attributes, this variability should help us catch more problems in the future. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: rename nftnl_rule_expr to nftnl_exprPablo Neira Ayuso2015-09-071-30/+30
| | | | | | | Use a shorter name for this, morever this can be used from sets so the _rule_ is misleading. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: rename existing functions to use the nftnl_ prefixPablo Neira Ayuso2015-09-071-39/+39
| | | | | | | | | So we can use the nft_* prefix anytime soon for our upcoming higher level library. After this patch, the nft_* symbols become an alias of the nftnl_* symbols. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* rename library to libnftnllibnftnl-1.0.0Pablo Neira Ayuso2014-01-201-2/+2
| | | | | | We plan to use this library name for the higher layer library. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: add unit tests for libnftablesAna Rey2013-11-201-0/+115
These tests create an initial object 'a' whose attributes are set to arbitrary values. Then, that object is converted to a Netlink message which is parsed to obtain the object 'b'. If things go well, the original object 'a' and the transformed object 'b' should be equivalent. Thus, we make sure that object transformations through the main library APIs are correct. These tests have helped to catch the following bugs in this library: (3cf788a72 expr: fix leak in target and match expressions) (4182e574f expr: match: fix wrong flag setting in nft_rule_expr_match_parse) (0bec6bc5e expr: log: release prefix) (2b690deea expr: log: fix missing \0 when sending log prefix to kernel) (e55c7afcf expr: target: fix wrong info length in nft_rule_expr_target_parse) (8fc4d4bd2 expr: log: fix wrong attribute type in nft_rule_expr_log_parse) Signed-off-by: Ana Rey <anarey@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>