@@ -460,15 +460,17 @@ static int nft_ipv4_xlate(const void *data, struct xt_xlate *xl)
const struct protoent *pent =
getprotobynumber(cs->fw.ip.proto);
char protonum[sizeof("65535")];
+ const char *name = protonum;
- if (!xlate_find_match(cs, pent->p_name)) {
- snprintf(protonum, sizeof(protonum), "%u",
- cs->fw.ip.proto);
- protonum[sizeof(protonum) - 1] = '\0';
+ snprintf(protonum, sizeof(protonum), "%u",
+ cs->fw.ip.proto);
+
+ if (!pent || !xlate_find_match(cs, pent->p_name)) {
+ if (pent)
+ name = pent->p_name;
xt_xlate_add(xl, "ip protocol %s%s ",
cs->fw.ip.invflags & IPT_INV_PROTO ?
- "!= " : "",
- pent ? pent->p_name : protonum);
+ "!= " : "", name);
}
}
@@ -417,16 +417,19 @@ static int nft_ipv6_xlate(const void *data, struct xt_xlate *xl)
const struct protoent *pent =
getprotobynumber(cs->fw6.ipv6.proto);
char protonum[sizeof("65535")];
+ const char *name = protonum;
- if (!xlate_find_match(cs, pent->p_name)) {
- snprintf(protonum, sizeof(protonum), "%u",
- cs->fw6.ipv6.proto);
- protonum[sizeof(protonum) - 1] = '\0';
+ snprintf(protonum, sizeof(protonum), "%u",
+ cs->fw6.ipv6.proto);
+
+ if (!pent || !xlate_find_match(cs, pent->p_name)) {
+ if (pent)
+ name = pent->p_name;
xt_xlate_add(xl, "meta l4proto %s%s ",
cs->fw6.ipv6.invflags & IP6T_INV_PROTO ?
- "!= " : "",
- pent ? pent->p_name : protonum);
+ "!= " : "", name);
}
+
}
xlate_ipv6_addr("ip6 saddr", &cs->fw6.ipv6.src, &cs->fw6.ipv6.smsk,
This needs to first check if pent is NULL. Signed-off-by: Florian Westphal <fw@strlen.de> --- iptables/nft-ipv4.c | 14 ++++++++------ iptables/nft-ipv6.c | 15 +++++++++------ 2 files changed, 17 insertions(+), 12 deletions(-)