Add translation for target masquerade to nftables.
Full translation of this target awaits the support for --to-ports
option.
Examples:
$ sudo ip6tables-translate -t nat -A POSTROUTING -o eth0 -j MASQUERADE
nft add rule ip6 nat POSTROUTING oifname eth0 counter masquerade
$ sudo ip6tables-translate -t nat -A POSTROUTING -j MASQUERADE --random
nft add rule ip6 nat POSTROUTING counter masquerade random
Signed-off-by: Shivani Bhardwaj <shivanib134@xxxxxxxxx>
---
extensions/libip6t_MASQUERADE.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/extensions/libip6t_MASQUERADE.c b/extensions/libip6t_MASQUERADE.c
index eb9213e..325cdcd 100644
--- a/extensions/libip6t_MASQUERADE.c
+++ b/extensions/libip6t_MASQUERADE.c
@@ -131,6 +131,20 @@ 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_range *r = (const void *)target->data;
+
+ xt_xlate_add(xl, "masquerade ");
+
+ if (r->flags & NF_NAT_RANGE_PROTO_RANDOM)
+ xt_xlate_add(xl, "random ");
+
+ return 1;
+}
+
static struct xtables_target masquerade_tg_reg = {
.name = "MASQUERADE",
.version = XTABLES_VERSION,
@@ -142,6 +156,7 @@ static struct xtables_target masquerade_tg_reg = {
.print = MASQUERADE_print,
.save = MASQUERADE_save,
.x6_options = MASQUERADE_opts,
+ .xlate = MASQUERADE_xlate,
};
void _init(void)
--
1.9.1
--
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