Set errno when refusing to send packet in interface_send_packet

[project/mdnsd.git] / dns.h

diff --git a/dns.h b/dns.h
index 5937f26c278ae6cff96fc8664acacfb1637fe92a..0f26f6043a551c14a741626e8070666b20e8c9eb 100644 (file)
--- a/dns.h
+++ b/dns.h
@@ -15,6 +15,7 @@
 #define _DNS_H__
 
 #include <stdint.h>
+#include <arpa/inet.h>
 
 #define FLAG_RESPONSE          0x8000
 #define FLAG_AUTHORATIVE       0x0400
@@ -33,6 +34,7 @@
 #define MCAST_PORT             5353
 
 #define CLASS_FLUSH            0x8000
+#define CLASS_UNICAST          0x8000
 #define CLASS_IN               0x0001
 
 #define MAX_NAME_LEN           8096
@@ -53,28 +55,30 @@ 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);
+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, uint8_t *buf, int len);
+void dns_handle_packet(struct interface *iface, struct sockaddr *s, uint16_t port, uint8_t *buf, int len);
 
 #endif