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Code Issues Releases Wiki Activity

Log ICMP addresses

This commit is contained in:
M66B 2017-03-03 15:38:42 +01:00
parent 36b41a298f
commit bd4e1ff0c0
1 changed files with 12 additions and 12 deletions
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24
app/src/main/jni/netguard/icmp.c
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@ -157,9 +157,19 @@ jboolean handle_icmp(const struct arguments *args,
struct icmp *icmp = (struct icmp *) payload;
size_t icmplen = length - (payload - pkt);
char source[INET6_ADDRSTRLEN + 1];
char dest[INET6_ADDRSTRLEN + 1];
if (version == 4) {
inet_ntop(AF_INET, &ip4->saddr, source, sizeof(source));
inet_ntop(AF_INET, &ip4->daddr, dest, sizeof(dest));
} else {
inet_ntop(AF_INET6, &ip6->ip6_src, source, sizeof(source));
inet_ntop(AF_INET6, &ip6->ip6_dst, dest, sizeof(dest));
}
if (icmp->icmp_type != ICMP_ECHO) {
log_android(ANDROID_LOG_WARN, "ICMP type %d code %d not supported",
icmp->icmp_type, icmp->icmp_code);
log_android(ANDROID_LOG_WARN, "ICMP type %d code %d from %s to %s not supported",
icmp->icmp_type, icmp->icmp_code, source, dest);
return 0;
}
@ -174,16 +184,6 @@ jboolean handle_icmp(const struct arguments *args,
memcmp(&cur->icmp.daddr.ip6, &ip6->ip6_dst, 16) == 0)))
cur = cur->next;
char source[INET6_ADDRSTRLEN + 1];
char dest[INET6_ADDRSTRLEN + 1];
if (version == 4) {
inet_ntop(AF_INET, &ip4->saddr, source, sizeof(source));
inet_ntop(AF_INET, &ip4->daddr, dest, sizeof(dest));
} else {
inet_ntop(AF_INET6, &ip6->ip6_src, source, sizeof(source));
inet_ntop(AF_INET6, &ip6->ip6_dst, dest, sizeof(dest));
}
// Create new session if needed
if (cur == NULL) {
log_android(ANDROID_LOG_INFO, "ICMP new session from %s to %s", source, dest);