if (r < 0)
goto fail;
- class = flags & DNS_ANSWER_CACHE_FLUSH ? k->class | MDNS_RR_CACHE_FLUSH : k->class;
+ class = flags & DNS_ANSWER_CACHE_FLUSH ? k->class | MDNS_RR_CACHE_FLUSH_OR_QU : k->class;
r = dns_packet_append_uint16(p, class, NULL);
if (r < 0)
goto fail;
int dns_packet_read_key(
DnsPacket *p,
DnsResourceKey **ret,
- bool *ret_cache_flush,
+ bool *ret_cache_flush_or_qu,
size_t *ret_start) {
_cleanup_(rewind_dns_packet) DnsPacketRewinder rewinder;
_cleanup_free_ char *name = NULL;
- bool cache_flush = false;
+ bool cache_flush_or_qu = false;
uint16_t class, type;
int r;
return r;
if (p->protocol == DNS_PROTOCOL_MDNS) {
- /* See RFC6762, Section 10.2 */
+ /* See RFC6762, sections 5.4 and 10.2 */
- if (type != DNS_TYPE_OPT && (class & MDNS_RR_CACHE_FLUSH)) {
- class &= ~MDNS_RR_CACHE_FLUSH;
- cache_flush = true;
+ if (type != DNS_TYPE_OPT && (class & MDNS_RR_CACHE_FLUSH_OR_QU)) {
+ class &= ~MDNS_RR_CACHE_FLUSH_OR_QU;
+ cache_flush_or_qu = true;
}
}
*ret = key;
}
- if (ret_cache_flush)
- *ret_cache_flush = cache_flush;
+ if (ret_cache_flush_or_qu)
+ *ret_cache_flush_or_qu = cache_flush_or_qu;
if (ret_start)
*ret_start = rewinder.saved_rindex;
for (i = 0; i < n; i++) {
_cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;
- bool cache_flush;
+ bool qu;
- r = dns_packet_read_key(p, &key, &cache_flush, NULL);
+ r = dns_packet_read_key(p, &key, &qu, NULL);
if (r < 0)
return r;
- if (cache_flush)
- return -EBADMSG;
-
if (!dns_type_is_valid_query(key->type))
return -EBADMSG;
/* Already in the Question, let's skip */
continue;
- r = dns_question_add_raw(question, key, 0);
+ r = dns_question_add_raw(question, key, qu ? DNS_QUESTION_WANTS_UNICAST_REPLY : 0);
if (r < 0)
return r;
}
int dns_packet_read_string(DnsPacket *p, char **ret, size_t *start);
int dns_packet_read_raw_string(DnsPacket *p, const void **ret, size_t *size, size_t *start);
int dns_packet_read_name(DnsPacket *p, char **ret, bool allow_compression, size_t *start);
-int dns_packet_read_key(DnsPacket *p, DnsResourceKey **ret, bool *ret_cache_flush, size_t *start);
+int dns_packet_read_key(DnsPacket *p, DnsResourceKey **ret, bool *ret_cache_flush_or_qu, size_t *start);
int dns_packet_read_rr(DnsPacket *p, DnsResourceRecord **ret, bool *ret_cache_flush, size_t *start);
void dns_packet_rewind(DnsPacket *p, size_t idx);
typedef struct DnsTxtItem DnsTxtItem;
/* DNSKEY RR flags */
-#define DNSKEY_FLAG_SEP (UINT16_C(1) << 0)
-#define DNSKEY_FLAG_REVOKE (UINT16_C(1) << 7)
-#define DNSKEY_FLAG_ZONE_KEY (UINT16_C(1) << 8)
+#define DNSKEY_FLAG_SEP (UINT16_C(1) << 0)
+#define DNSKEY_FLAG_REVOKE (UINT16_C(1) << 7)
+#define DNSKEY_FLAG_ZONE_KEY (UINT16_C(1) << 8)
/* mDNS RR flags */
-#define MDNS_RR_CACHE_FLUSH (UINT16_C(1) << 15)
+#define MDNS_RR_CACHE_FLUSH_OR_QU (UINT16_C(1) << 15)
/* DNSSEC algorithm identifiers, see
* http://tools.ietf.org/html/rfc4034#appendix-A.1 and