#ifndef _DNS_H__
#define _DNS_H__
+#include <stdint.h>
+
#define FLAG_RESPONSE 0x8000
#define FLAG_AUTHORATIVE 0x0400
#define IS_COMPRESSED(x) ((x & 0xc0) == 0xc0)
#define MCAST_ADDR "224.0.0.251"
+#define MCAST_ADDR6 "ff02::fb"
#define MCAST_PORT 5353
-#define CLASS_FLUSH 0x8000
+#define CLASS_UNICAST 0x8000
#define CLASS_IN 0x0001
#define MAX_NAME_LEN 8096
} __attribute__((packed, aligned(2)));
struct interface;
-
-extern char rdata_buffer[MAX_DATA_LEN + 1];
-
-extern void dns_send_question(struct interface *iface, const char *question, int type);
-extern void dns_init_answer(void);
-extern void dns_add_answer(int type, const uint8_t *rdata, uint16_t rdlength);
-extern void dns_send_answer(struct interface *iface, const char *answer);
-extern char* dns_consume_name(const uint8_t *base, int blen, uint8_t **data, int *len);
-extern struct dns_answer* dns_consume_answer(uint8_t **data, int *len);
-extern struct dns_question* dns_consume_question(uint8_t **data, int *len);
-extern struct dns_header* dns_consume_header(uint8_t **data, int *len);
-extern const char* dns_type_string(uint16_t type);
+extern int cfg_proto;
+
+void dns_send_question(struct interface *iface, const char *question, int type, int unicast);
+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);
+const char* dns_type_string(uint16_t type);
+void dns_handle_packet(struct interface *iface, uint8_t *buf, int len, int unicast);
#endif