// DNS resource records
|
#define T_A 1 // IPv4 address
|
#define T_NS 2 // Name Server
|
#define T_CNAME 5 // Cannonical name
|
#define T_SOA 6 // State of Authority
|
#define T_PTR 12 // Domain name pointer
|
#define T_MX 15 // Mail exchange
|
#define T_TXT 16 // Text record
|
#define T_AAAA 28 // IPv6 address
|
|
int reachable(unsigned char* buf, char* dns_ip);
|
struct timespec resolve(unsigned char* buf, char* hostname, char* dns_ip,
|
int query_type);
|
void print_packet(unsigned char* buf);
|
