This patch permits to print arp rules,
avoiding the segfault that you got currently.
Signed-off-by: Giuseppe Longo <giuseppelng@xxxxxxxxx>
---
iptables/xtables-events.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/iptables/xtables-events.c b/iptables/xtables-events.c
index 408e091..7ce1d4f 100644
--- a/iptables/xtables-events.c
+++ b/iptables/xtables-events.c
@@ -59,7 +59,11 @@ static bool counters;
static int rule_cb(const struct nlmsghdr *nlh, int type)
{
struct iptables_command_state cs = {};
+ struct arpt_entry fw_arp = {};
+ struct xtables_ebt_entry fw_eb = {};
struct nft_rule *r;
+ void *fw = NULL;
+ uint8_t family;
r = nft_rule_alloc();
if (r == NULL) {
@@ -72,21 +76,23 @@ static int rule_cb(const struct nlmsghdr *nlh, int type)
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:
+ nft_rule_to_arpt_entry(r, &fw_arp);
+ fw = &fw_arp;
default:
break;
}
- 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);
--
1.8.1.5
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