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Diffstat (limited to 'src/resolve/resolved-dns-packet.h')
-rw-r--r--src/resolve/resolved-dns-packet.h28
1 files changed, 24 insertions, 4 deletions
diff --git a/src/resolve/resolved-dns-packet.h b/src/resolve/resolved-dns-packet.h
index 67c7bc3dfc..565c67c746 100644
--- a/src/resolve/resolved-dns-packet.h
+++ b/src/resolve/resolved-dns-packet.h
@@ -31,6 +31,14 @@ typedef struct DnsPacket DnsPacket;
#include "hashmap.h"
#include "resolved-dns-rr.h"
+typedef enum DnsProtocol {
+ DNS_PROTOCOL_DNS,
+ DNS_PROTOCOL_MDNS,
+ DNS_PROTOCOL_LLMNR,
+ _DNS_PROTOCOL_MAX,
+ _DNS_PROTOCOL_INVALID = -1
+} DnsProtocol;
+
struct DnsPacketHeader {
uint16_t id;
be16_t flags;
@@ -54,11 +62,17 @@ struct DnsPacketHeader {
struct DnsPacket {
int n_ref;
- int ifindex;
+ DnsProtocol protocol;
size_t size, allocated, rindex;
+ void *data;
Hashmap *names; /* For name compression */
DnsResourceRecord **rrs;
- void *data;
+
+ /* Packet reception meta data */
+ int ifindex;
+ unsigned char family;
+ union in_addr_union sender, destination;
+ unsigned ttl;
};
static inline uint8_t* DNS_PACKET_DATA(DnsPacket *p) {
@@ -100,8 +114,8 @@ static inline unsigned DNS_PACKET_RRCOUNT(DnsPacket *p) {
(unsigned) DNS_PACKET_ARCOUNT(p);
}
-int dns_packet_new(DnsPacket **p, size_t mtu);
-int dns_packet_new_query(DnsPacket **p, size_t mtu);
+int dns_packet_new(DnsPacket **p, DnsProtocol protocol, size_t mtu);
+int dns_packet_new_query(DnsPacket **p, DnsProtocol protocol, size_t mtu);
DnsPacket *dns_packet_ref(DnsPacket *p);
DnsPacket *dns_packet_unref(DnsPacket *p);
@@ -157,3 +171,9 @@ enum {
const char* dns_rcode_to_string(int i) _const_;
int dns_rcode_from_string(const char *s) _pure_;
+
+const char* dns_protocol_to_string(DnsProtocol p) _const_;
+DnsProtocol dns_protocol_from_string(const char *s) _pure_;
+
+#define LLMNR_MULTICAST_IPV4_ADDRESS ((struct in_addr) { .s_addr = htobe32(224U << 24 | 252U) })
+#define LLMNR_MULTICAST_IPV6_ADDRESS ((struct in6_addr) { .s6_addr = { 0xFF, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x03 } })