xtables-events: prints arp rules
This patch permits to print arp rules, avoiding the segfault that
you got currently.
Signed-off-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/iptables/xtables-events.c b/iptables/xtables-events.c
index 4be8ab8..d8a732e 100644
--- a/iptables/xtables-events.c
+++ b/iptables/xtables-events.c
@@ -59,7 +59,10 @@
static int rule_cb(const struct nlmsghdr *nlh, int type)
{
struct iptables_command_state cs = {};
+ struct arpt_entry fw_arp = {};
struct nft_rule *r;
+ void *fw = NULL;
+ uint8_t family;
r = nft_rule_alloc();
if (r == NULL) {
@@ -72,21 +75,25 @@
goto err_free;
}
- nft_rule_to_iptables_command_state(r, &cs);
-
- switch(nft_rule_attr_get_u8(r, NFT_RULE_ATTR_FAMILY)) {
+ family = nft_rule_attr_get_u8(r, NFT_RULE_ATTR_FAMILY);
+ switch (family) {
case AF_INET:
- printf("-4 ");
- break;
case AF_INET6:
- printf("-6 ");
+ printf("-%c ", family == AF_INET ? '4' : '6');
+ nft_rule_to_iptables_command_state(r, &cs);
+ fw = &cs;
+ break;
+ case NFPROTO_ARP:
+ printf("-0 ");
+ nft_rule_to_arpt_entry(r, &fw_arp);
+ fw = &fw_arp;
break;
default:
- break;
+ goto err_free;
}
- nft_rule_print_save(&cs, r,
+ nft_rule_print_save(fw, r,
type == NFT_MSG_NEWRULE ? NFT_RULE_APPEND :
NFT_RULE_DEL,
counters ? 0 : FMT_NOCOUNTS);
