From 4eb2c9ca79fb38352b3de500f9eb10f1578ef83f Mon Sep 17 00:00:00 2001 From: Shivani Bhardwaj Date: Wed, 23 Dec 2015 15:38:40 +0530 Subject: extensions: libxt_helper: Add translation to nft Add translation for helper module to nftables. Examples: $ sudo iptables-translate -A FORWARD -m helper --helper sip nft add rule ip filter FORWARD ct helper \"sip\" counter $ sudo iptables-translate -A FORWARD -m helper ! --helper ftp nft add rule ip filter FORWARD ct helper != \"ftp\" counter Signed-off-by: Shivani Bhardwaj Signed-off-by: Pablo Neira Ayuso --- extensions/libxt_helper.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'extensions/libxt_helper.c') diff --git a/extensions/libxt_helper.c b/extensions/libxt_helper.c index c9f9435e..971ce4ab 100644 --- a/extensions/libxt_helper.c +++ b/extensions/libxt_helper.c @@ -45,6 +45,17 @@ static void helper_save(const void *ip, const struct xt_entry_match *match) xtables_save_string(info->name); } +static int helper_xlate(const struct xt_entry_match *match, + struct xt_buf *buf, int numeric) +{ + const struct xt_helper_info *info = (const void *)match->data; + + xt_buf_add(buf, "ct helper%s \\\"%s\\\" ", + info->invert ? " !=" : "", info->name); + + return 1; +} + static struct xtables_match helper_match = { .family = NFPROTO_UNSPEC, .name = "helper", @@ -55,6 +66,7 @@ static struct xtables_match helper_match = { .save = helper_save, .x6_parse = helper_parse, .x6_options = helper_opts, + .xlate = helper_xlate, }; void _init(void) -- cgit v1.2.3