On Wed, Mar 2, 2016 at 5:19 PM, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> On Wed, Mar 02, 2016 at 03:22:43AM +0530, Shivani Bhardwaj wrote:
>> Add translation for module hop-by-hop to nftables.
>> Full translation of this match awaits the support for --hbh-opts option.
>>
>> Examples:
>>
>> $ sudo ip6tables-translate -A INPUT -m hbh --hbh-len 33
>> nft add rule ip6 filter INPUT hbh hdrlength 33 counter
>>
>> $ sudo ip6tables-translate -A INPUT -m hbh ! --hbh-len 33
>> nft add rule ip6 filter INPUT hbh hdrlength != 33 counter
>>
>> Signed-off-by: Shivani Bhardwaj <shivanib134@xxxxxxxxx>
>> ---
>> extensions/libip6t_hbh.c | 17 +++++++++++++++++
>> 1 file changed, 17 insertions(+)
>>
>> diff --git a/extensions/libip6t_hbh.c b/extensions/libip6t_hbh.c
>> index c0389ed..f968036 100644
>> --- a/extensions/libip6t_hbh.c
>> +++ b/extensions/libip6t_hbh.c
>> @@ -164,6 +164,22 @@ static void hbh_save(const void *ip, const struct xt_entry_match *match)
>> print_options(optinfo->optsnr, (uint16_t *)optinfo->opts);
>> }
>>
>> +static int hbh_xlate(const struct xt_entry_match *match,
>> + struct xt_xlate *xl, int numeric)
>> +{
>> + const struct ip6t_opts *optinfo = (struct ip6t_opts *)match->data;
>> +
>> + xt_xlate_add(xl, "hbh ");
>> +
>> + if (optinfo->flags & IP6T_OPTS_LEN) {
>
> If no header length is passed, then this will print:
>
> nft add rule ip6 filter INPUT hbh counter
>
What should be the rule generated in case none of the options is mentioned?
# iptables-translate -A INPUT -m hbh
?
> which will not work.
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