summaryrefslogtreecommitdiff
path: root/src/resolve/resolved-dns-packet.c
diff options
context:
space:
mode:
authorLennart Poettering <lennart@poettering.net>2014-07-18 12:34:02 +0200
committerLennart Poettering <lennart@poettering.net>2014-07-18 12:38:32 +0200
commit1716f6dcf54d4c181c2e2558e3d5414f54c8d9ca (patch)
tree32dd8c93d766d205354d72eea44fee55a2d9a55b /src/resolve/resolved-dns-packet.c
parent9d485985338a46b8cb1acdf1af6c1eb2e88acfee (diff)
resolved: add LLMNR support for looking up names
Diffstat (limited to 'src/resolve/resolved-dns-packet.c')
-rw-r--r--src/resolve/resolved-dns-packet.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c
index 499683ac1d..02532dc721 100644
--- a/src/resolve/resolved-dns-packet.c
+++ b/src/resolve/resolved-dns-packet.c
@@ -24,7 +24,7 @@
#include "resolved-dns-domain.h"
#include "resolved-dns-packet.h"
-int dns_packet_new(DnsPacket **ret, size_t mtu) {
+int dns_packet_new(DnsPacket **ret, DnsProtocol protocol, size_t mtu) {
DnsPacket *p;
size_t a;
@@ -51,6 +51,7 @@ int dns_packet_new(DnsPacket **ret, size_t mtu) {
p->size = p->rindex = DNS_PACKET_HEADER_SIZE;
p->allocated = a;
+ p->protocol = protocol;
p->n_ref = 1;
*ret = p;
@@ -58,19 +59,23 @@ int dns_packet_new(DnsPacket **ret, size_t mtu) {
return 0;
}
-int dns_packet_new_query(DnsPacket **ret, size_t mtu) {
+int dns_packet_new_query(DnsPacket **ret, DnsProtocol protocol, size_t mtu) {
DnsPacket *p;
DnsPacketHeader *h;
int r;
assert(ret);
- r = dns_packet_new(&p, mtu);
+ r = dns_packet_new(&p, protocol, mtu);
if (r < 0)
return r;
h = DNS_PACKET_HEADER(p);
- h->flags = htobe16(DNS_PACKET_MAKE_FLAGS(0, 0, 0, 0, 1, 0, 0, 0, 0));
+
+ if (protocol == DNS_PROTOCOL_DNS)
+ h->flags = htobe16(DNS_PACKET_MAKE_FLAGS(0, 0, 0, 0, 1, 0, 0, 0, 0)); /* ask for recursion */
+ else
+ h->flags = htobe16(DNS_PACKET_MAKE_FLAGS(0, 0, 0, 0, 0, 0, 0, 0, 0));
*ret = p;
return 0;
@@ -812,3 +817,10 @@ static const char* const dns_rcode_table[_DNS_RCODE_MAX_DEFINED] = {
[DNS_RCODE_BADTRUNC] = "BADTRUNC",
};
DEFINE_STRING_TABLE_LOOKUP(dns_rcode, int);
+
+static const char* const dns_protocol_table[_DNS_PROTOCOL_MAX] = {
+ [DNS_PROTOCOL_DNS] = "dns",
+ [DNS_PROTOCOL_MDNS] = "mdns",
+ [DNS_PROTOCOL_LLMNR] = "llmnr",
+};
+DEFINE_STRING_TABLE_LOOKUP(dns_protocol, DnsProtocol);