Keep source sockaddr for every cached DNS record

[project/mdnsd.git] / dns.h

diff --git a/dns.h b/dns.h
index 791159f7b7a5b571006809a27aeb64807b5f0257..38ab41f85b8df4e05fed15af21bde1226140d6c0 100644 (file)
--- a/dns.h
+++ b/dns.h
@@ -40,7 +40,7 @@
 #define MAX_NAME_LEN           8096
 #define MAX_DATA_LEN           8096
 
-#define C_DNS_SD                "_services._dns-sd._udp.local"
+#define C_DNS_SD               "_services._dns-sd._udp.local"
 
 struct dns_header {
        uint16_t id;
@@ -55,28 +55,29 @@ struct dns_srv_data {
        uint16_t priority;
        uint16_t weight;
        uint16_t port;
-} __attribute__((packed, aligned(2)));
+} __attribute__((packed));
 
 struct dns_answer {
        uint16_t type;
        uint16_t class;
        uint32_t ttl;
        uint16_t rdlength;
-} __attribute__((packed, aligned(2)));
+} __attribute__((packed));
 
 struct dns_question {
        uint16_t type;
        uint16_t class;
-} __attribute__((packed, aligned(2)));
+} __attribute__((packed));
 
 struct interface;
 extern int cfg_proto;
 extern int cfg_no_subnet;
 
-void dns_send_question(struct interface *iface, const char *question, int type, int unicast);
+void dns_send_question(struct interface *iface, const char *question, int type, int multicast);
 void dns_init_answer(void);
 void dns_add_answer(int type, const uint8_t *rdata, uint16_t rdlength, int ttl);
-void dns_send_answer(struct interface *iface, const char *answer);
+void dns_send_answer(struct interface *iface, struct sockaddr *to, const char *answer);
+void dns_reply_a(struct interface *iface, struct sockaddr *to, int ttl);
 const char* dns_type_string(uint16_t type);
 void dns_handle_packet(struct interface *iface, struct sockaddr *s, uint16_t port, uint8_t *buf, int len);