passt: Print ports in debug messages only for protocols with ports

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2021-04-22 02:34:02 +02:00
parent 49c766398d
commit 5f21a77737

View file

@ -330,7 +330,9 @@ static void tap4_handler(struct ctx *c, char *in, size_t len)
debug("icmp from tap: %s -> %s",
inet_ntop(AF_INET, &iph->saddr, buf_s, sizeof(buf_s)),
inet_ntop(AF_INET, &iph->daddr, buf_d, sizeof(buf_d)));
} else {
} else if (iph->protocol == IPPROTO_TCP ||
iph->protocol == IPPROTO_UDP ||
iph->protocol == IPPROTO_SCTP) {
struct tcphdr *th = (struct tcphdr *)l4h;
if (len < sizeof(*th) && len < sizeof(struct udphdr))
@ -387,7 +389,8 @@ static void tap6_handler(struct ctx *c, char *in, size_t len)
debug("icmpv6 from tap: %s ->\n\t%s",
inet_ntop(AF_INET6, &ip6h->saddr, buf_s, sizeof(buf_s)),
inet_ntop(AF_INET6, &ip6h->daddr, buf_d, sizeof(buf_d)));
} else {
} else if (proto == IPPROTO_TCP || proto == IPPROTO_UDP ||
proto == IPPROTO_SCTP) {
struct tcphdr *th = (struct tcphdr *)l4h;
if (len < sizeof(*th) && len < sizeof(struct udphdr))