From 9f7034cfe729dc91dd4b30f5c845034599e7c94a Mon Sep 17 00:00:00 2001 From: Shivani Bhardwaj Date: Wed, 23 Dec 2015 22:11:58 +0530 Subject: extensions: libxt_cpu: Add translation to nft Add translation for module cpu to nftables. Examples: $ sudo iptables-translate -A INPUT -p tcp --dport 80 -m cpu --cpu 0 -j ACCEPT nft add rule ip filter INPUT tcp dport 80 cpu 0 counter accept $ sudo iptables-translate -A INPUT -p tcp --dport 80 -m cpu ! --cpu 1 -j ACCEPT nft add rule ip filter INPUT tcp dport 80 cpu != 1 counter accept Signed-off-by: Shivani Bhardwaj Signed-off-by: Pablo Neira Ayuso --- extensions/libxt_cpu.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'extensions/libxt_cpu.c') diff --git a/extensions/libxt_cpu.c b/extensions/libxt_cpu.c index 404a6a66..74e6077e 100644 --- a/extensions/libxt_cpu.c +++ b/extensions/libxt_cpu.c @@ -44,9 +44,19 @@ static void cpu_save(const void *ip, const struct xt_entry_match *match) printf("%s --cpu %u", info->invert ? " !" : "", info->cpu); } +static int cpu_xlate(const struct xt_entry_match *match, + struct xt_buf *buf, int numeric) +{ + const struct xt_cpu_info *info = (void *)match->data; + + xt_buf_add(buf, "cpu%s %u ", info->invert ? " !=" : "", info->cpu); + + return 1; +} + static struct xtables_match cpu_match = { .family = NFPROTO_UNSPEC, - .name = "cpu", + .name = "cpu", .version = XTABLES_VERSION, .size = XT_ALIGN(sizeof(struct xt_cpu_info)), .userspacesize = XT_ALIGN(sizeof(struct xt_cpu_info)), @@ -55,6 +65,7 @@ static struct xtables_match cpu_match = { .save = cpu_save, .x6_parse = cpu_parse, .x6_options = cpu_opts, + .xlate = cpu_xlate, }; void _init(void) -- cgit v1.2.3