On Wed, Dec 23, 2015 at 9:03 PM, Shivani Bhardwaj <shivanib134@xxxxxxxxx> wrote:
> Add translation for target MARK to nftables.
>
> Examples:
>
> $ sudo iptables-translate -t mangle -A PREROUTING -j MARK --set-mark 12
> nft add rule ip mangle PREROUTING counter mark set 0xc
>
> $ sudo iptables-translate -t mangle -A PREROUTING -p tcp --dport 22 -j MARK --set-mark 2
> nft add rule ip mangle PREROUTING tcp dport 22 counter mark set 0x2
>
> Signed-off-by: Shivani Bhardwaj <shivanib134@xxxxxxxxx>
> ---
> extensions/libxt_MARK.c | 22 +++++++++++++++++++++-
> 1 file changed, 21 insertions(+), 1 deletion(-)
>
> diff --git a/extensions/libxt_MARK.c b/extensions/libxt_MARK.c
> index 556dbde..c5de763 100644
> --- a/extensions/libxt_MARK.c
> +++ b/extensions/libxt_MARK.c
> @@ -242,7 +242,24 @@ static void mark_tg_save(const void *ip, const struct xt_entry_target *target)
> {
> const struct xt_mark_tginfo2 *info = (const void *)target->data;
>
> - printf(" --set-xmark 0x%x/0x%x", info->mark, info->mask);
> + printf(" --set mark 0x%x/0x%x", info->mark, info->mask);
> +}
> +
> +static void
> +print_mark_xlate(unsigned long mark, struct xt_buf *buf)
> +{
> + xt_buf_add(buf, " 0x%lx", mark);
> +}
> +
> +static int mark_tg_xlate(const struct xt_entry_target *target,
> + struct xt_buf *buf, int numeric)
> +{
> + const struct xt_mark_tginfo2 *info = (const void *)target->data;
> +
> + xt_buf_add(buf, "mark set");
> + print_mark_xlate(info->mark, buf);
> +
> + return 1;
> }
>
> static struct xtables_target mark_tg_reg[] = {
> @@ -259,6 +276,7 @@ static struct xtables_target mark_tg_reg[] = {
> .x6_parse = MARK_parse_v0,
> .x6_fcheck = MARK_check,
> .x6_options = MARK_opts,
> + .xlate = mark_tg_xlate,
> },
> {
> .family = NFPROTO_IPV4,
> @@ -273,6 +291,7 @@ static struct xtables_target mark_tg_reg[] = {
> .x6_parse = MARK_parse_v1,
> .x6_fcheck = MARK_check,
> .x6_options = MARK_opts,
> + .xlate = mark_tg_xlate,
> },
> {
> .version = XTABLES_VERSION,
> @@ -287,6 +306,7 @@ static struct xtables_target mark_tg_reg[] = {
> .x6_parse = mark_tg_parse,
> .x6_fcheck = mark_tg_check,
> .x6_options = mark_tg_opts,
> + .xlate = mark_tg_xlate,
> },
> };
>
> --
> 1.9.1
>
Hi,
I'm unsure if the options or-set, and-set are supported in nftables. I
cannot find much about them. Please let me know if there are
translations corresponding to these options as well, I'll send another
patch then.
Thank you
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