On Wed, Mar 02, 2016 at 03:27:49PM +0530, Shivani Bhardwaj wrote: > Add translation for masquerade to nftables. > > Examples: > > $ sudo iptables-translate -t nat -A POSTROUTING -j MASQUERADE > nft add rule ip nat POSTROUTING counter masquerade > > $ sudo iptables-translate -t nat -A POSTROUTING -p tcp -j MASQUERADE > --to-ports 10 > nft add rule ip nat POSTROUTING ip protocol tcp counter masquerade to :10 > > $ sudo iptables-translate -t nat -A POSTROUTING -p tcp -j MASQUERADE > --to-ports 10-20 --random > nft add rule ip nat POSTROUTING ip protocol tcp counter masquerade to :10-20 > random
Applied, thanks Shivani. > > Signed-off-by: Shivani Bhardwaj <[email protected]> > --- > Changes in v2: > Add code for masquerade port range selection > > extensions/libipt_MASQUERADE.c | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/extensions/libipt_MASQUERADE.c b/extensions/libipt_MASQUERADE.c > index ea07445..d1393c1 100644 > --- a/extensions/libipt_MASQUERADE.c > +++ b/extensions/libipt_MASQUERADE.c > @@ -134,6 +134,29 @@ MASQUERADE_save(const void *ip, const struct > xt_entry_target *target) > printf(" --random"); > } > > +static int > +MASQUERADE_xlate(const struct xt_entry_target *target, > + struct xt_xlate *xl, int numeric) > +{ > + const struct nf_nat_ipv4_multi_range_compat *mr = > + (const void *)target->data; > + const struct nf_nat_ipv4_range *r = &mr->range[0]; > + > + xt_xlate_add(xl, "masquerade"); > + > + if (r->flags & NF_NAT_RANGE_PROTO_SPECIFIED) { > + xt_xlate_add(xl, " to :%hu", ntohs(r->min.tcp.port)); > + if (r->max.tcp.port != r->min.tcp.port) > + xt_xlate_add(xl, "-%hu", ntohs(r->max.tcp.port)); > + } ^^^ I have fixed this minor glitch here. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
