along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-typedef struct DnsPacketHeader DnsPacketHeader;
-typedef struct DnsPacket DnsPacket;
-
#include <inttypes.h>
#include "macro.h"
#include "sparse-endian.h"
#include "hashmap.h"
+#include "in-addr-util.h"
+
+typedef struct DnsPacketHeader DnsPacketHeader;
+typedef struct DnsPacket DnsPacket;
+
#include "resolved-dns-rr.h"
+#include "resolved-dns-question.h"
+#include "resolved-dns-answer.h"
typedef enum DnsProtocol {
DNS_PROTOCOL_DNS,
int n_ref;
DnsProtocol protocol;
size_t size, allocated, rindex;
- void *data;
+ void *_data; /* don't access directly, use DNS_PACKET_DATA()! */
Hashmap *names; /* For name compression */
- DnsResourceRecord **rrs;
+
+ /* Parsed data */
+ DnsQuestion *question;
+ DnsAnswer *answer;
/* Packet reception meta data */
int ifindex;
- int family;
+ int family, ipproto;
union in_addr_union sender, destination;
+ uint16_t sender_port, destination_port;
uint32_t ttl;
};
if (_unlikely_(!p))
return NULL;
- if (p->data)
- return p->data;
+ if (p->_data)
+ return p->_data;
return ((uint8_t*) p) + ALIGN(sizeof(DnsPacket));
}
#define DNS_PACKET_OPCODE(p) ((be16toh(DNS_PACKET_HEADER(p)->flags) >> 11) & 15)
#define DNS_PACKET_RCODE(p) (be16toh(DNS_PACKET_HEADER(p)->flags) & 15)
#define DNS_PACKET_TC(p) ((be16toh(DNS_PACKET_HEADER(p)->flags) >> 9) & 1)
+#define DNS_PACKET_C(p) ((be16toh(DNS_PACKET_HEADER(p)->flags) >> 10) & 1)
+#define DNS_PACKET_T(p) ((be16toh(DNS_PACKET_HEADER(p)->flags) >> 8) & 1)
#define DNS_PACKET_QDCOUNT(p) be16toh(DNS_PACKET_HEADER(p)->qdcount)
#define DNS_PACKET_ANCOUNT(p) be16toh(DNS_PACKET_HEADER(p)->ancount)
#define DNS_PACKET_NSCOUNT(p) be16toh(DNS_PACKET_HEADER(p)->nscount)
int dns_packet_validate(DnsPacket *p);
int dns_packet_validate_reply(DnsPacket *p);
+int dns_packet_validate_query(DnsPacket *p);
+int dns_packet_append_blob(DnsPacket *p, const void *d, size_t sz, size_t *start);
int dns_packet_append_uint8(DnsPacket *p, uint8_t v, size_t *start);
int dns_packet_append_uint16(DnsPacket *p, uint16_t v, size_t *start);
+int dns_packet_append_uint32(DnsPacket *p, uint32_t v, size_t *start);
int dns_packet_append_string(DnsPacket *p, const char *s, size_t *start);
int dns_packet_append_label(DnsPacket *p, const char *s, size_t l, size_t *start);
int dns_packet_append_name(DnsPacket *p, const char *name, size_t *start);
-int dns_packet_append_key(DnsPacket *p, const DnsResourceKey *k, size_t *start);
+int dns_packet_append_key(DnsPacket *p, const DnsResourceKey *key, size_t *start);
+int dns_packet_append_rr(DnsPacket *p, const DnsResourceRecord *rr, size_t *start);
int dns_packet_read(DnsPacket *p, size_t sz, const void **ret, size_t *start);
+int dns_packet_read_blob(DnsPacket *p, void *d, size_t sz, size_t *start);
int dns_packet_read_uint8(DnsPacket *p, uint8_t *ret, size_t *start);
int dns_packet_read_uint16(DnsPacket *p, uint16_t *ret, size_t *start);
int dns_packet_read_uint32(DnsPacket *p, uint32_t *ret, size_t *start);
int dns_packet_read_string(DnsPacket *p, char **ret, size_t *start);
int dns_packet_read_name(DnsPacket *p, char **ret, size_t *start);
-int dns_packet_read_key(DnsPacket *p, DnsResourceKey *ret, size_t *start);
+int dns_packet_read_key(DnsPacket *p, DnsResourceKey **ret, size_t *start);
int dns_packet_read_rr(DnsPacket *p, DnsResourceRecord **ret, size_t *start);
void dns_packet_rewind(DnsPacket *p, size_t idx);
int dns_packet_skip_question(DnsPacket *p);
-int dns_packet_extract_rrs(DnsPacket *p);
+int dns_packet_extract(DnsPacket *p);
enum {
DNS_RCODE_SUCCESS = 0,