diff options
| -rw-r--r-- | avahi-core/dns.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/avahi-core/dns.c b/avahi-core/dns.c index 66b0bdf..c545c00 100644 --- a/avahi-core/dns.c +++ b/avahi-core/dns.c @@ -322,7 +322,6 @@ int avahi_dns_packet_check_valid_multicast(AvahiDnsPacket *p) { return 0; } - int avahi_dns_packet_is_query(AvahiDnsPacket *p) { assert(p); @@ -621,6 +620,9 @@ AvahiRecord* avahi_dns_packet_consume_record(AvahiDnsPacket *p, int *ret_cache_f if (parse_rdata(p, r, rdlength) < 0) goto fail; + + if (!avahi_record_is_valid(r)) + goto fail; return r; @@ -634,6 +636,7 @@ fail: AvahiKey* avahi_dns_packet_consume_key(AvahiDnsPacket *p, int *ret_unicast_response) { char name[256]; uint16_t type, class; + AvahiKey *k; assert(p); @@ -647,7 +650,15 @@ AvahiKey* avahi_dns_packet_consume_key(AvahiDnsPacket *p, int *ret_unicast_respo class &= ~AVAHI_DNS_UNICAST_RESPONSE; - return avahi_key_new(name, class, type); + if (!(k = avahi_key_new(name, class, type))) + return NULL; + + if (!avahi_key_is_valid(k)) { + avahi_key_unref(k); + return NULL; + } + + return k; } uint8_t* avahi_dns_packet_append_key(AvahiDnsPacket *p, AvahiKey *k, int unicast_response) { |