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* conntrack: introduce new -A commandMikhail Sennikovsky2022-07-081-0/+1
| | | | | | | | | | | | | | The -A command works exactly the same way as -I except that it does not fail if the ct entry already exists. This command is useful for the batched ct loads to not abort if some entries being applied exist. The ct entry dump in the "save" format is now switched to use the -A command as well for the generated output. Also tests added to cover the -A command. Signed-off-by: Mikhail Sennikovsky <mikhail.sennikovskii@ionos.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* conntrack: use C99 initializer syntax for option mapMikhail Sennikovsky2022-07-081-16/+16
| | | | | | | | | | | | | The old way of the commands_v_options initialization made it more difficult and error-prone to add a map for a new command, because one would have to calculate a proper "index" for the initializer and fill the gap with zeros. As a preparation step for adding the new "-A" command support, switch to C99 initializer syntax for commands_v_options. Signed-off-by: Mikhail Sennikovsky <mikhail.sennikovskii@ionos.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* conntrack: implement save output formatMikhail Sennikovsky2020-11-021-0/+9
| | | | | | | | | | | | | | | This commit allows dumping conntrack entries in the format used by the conntrack parameters, aka "save" output format. This is useful for saving ct entry data to allow applying it later on. To enable the "save" output the "-o save" parameter needs to be passed to the conntrack tool invocation. [ pablo@netfilter.org: several updates to the original patch ] Signed-off-by: Mikhail Sennikovsky <mikhail.sennikovskii@cloud.ionos.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: Use stdint typesFelix Janda2015-05-211-1/+1
| | | | | Signed-off-by: Felix Janda <felix.janda@posteo.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* conntrack: add GRE supportPablo Neira Ayuso2009-04-181-0/+192
This patch adds GRE support for the command line tool conntrack. With this patch, we support all protocols available in the kernel. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.