X-Git-Url: http://git.archive.openwrt.org/?a=blobdiff_plain;f=dns.c;h=df855ebdeb189f86393de41eb0efef65da12765f;hb=e340a84950686428ecc7f46dbe28eba5c39a9095;hp=0d192acf8faa439ffb3dbbef8af6d4aa2140a941;hpb=9091a2b0fa7f91be6d0d4b03ec8d7ef8cbe1e559;p=project%2Fmdnsd.git diff --git a/dns.c b/dns.c index 0d192ac..df855eb 100644 --- a/dns.c +++ b/dns.c @@ -66,7 +66,7 @@ dns_type_string(uint16_t type) } void -dns_send_question(struct interface *iface, const char *question, int type) +dns_send_question(struct interface *iface, const char *question, int type, int unicast) { static struct dns_header h; static struct dns_question q; @@ -86,7 +86,7 @@ dns_send_question(struct interface *iface, const char *question, int type) int len; h.questions = cpu_to_be16(1); - q.class = cpu_to_be16(1); + q.class = cpu_to_be16(((unicast) ? (CLASS_UNICAST) : (0)) | 1); q.type = cpu_to_be16(type); len = dn_comp(question, (void *) name_buffer, sizeof(name_buffer), NULL, NULL); @@ -95,10 +95,9 @@ dns_send_question(struct interface *iface, const char *question, int type) iov[1].iov_len = len; + DBG(1, "Q <- %s %s\n", dns_type_string(type), question); if (interface_send_packet(iface, iov, ARRAY_SIZE(iov)) < 0) - fprintf(stderr, "failed to send question\n"); - else - DBG(1, "Q <- %s %s\n", dns_type_string(type), question); + perror("failed to send question :"); } @@ -320,6 +319,9 @@ parse_question(struct interface *iface, char *name, struct dns_question *q) { char *host; + if ((q->class & CLASS_UNICAST) && iface->multicast) + iface = iface->peer; + DBG(1, "Q -> %s %s\n", dns_type_string(q->type), name); switch (q->type) { @@ -329,7 +331,7 @@ parse_question(struct interface *iface, char *name, struct dns_question *q) break; case TYPE_PTR: - service_announce_services(iface, name); + service_announce_services(iface, name, announce_ttl); service_reply(iface, name, announce_ttl); break; @@ -339,13 +341,13 @@ parse_question(struct interface *iface, char *name, struct dns_question *q) if (host) *host = '\0'; if (!strcmp(mdns_hostname, name)) - service_reply_a(iface, q->type, announce_ttl); + service_reply_a(iface, announce_ttl); break; }; } void -dns_handle_packet(struct interface *iface, uint8_t *buffer, int len) +dns_handle_packet(struct interface *iface, struct sockaddr *s, uint16_t port, uint8_t *buffer, int len) { struct dns_header *h; uint8_t *b = buffer;