diff options
Diffstat (limited to 'src/resolve/resolved-dns-packet.c')
| -rw-r--r-- | src/resolve/resolved-dns-packet.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c index cb713f1f85..75ca23fd08 100644 --- a/src/resolve/resolved-dns-packet.c +++ b/src/resolve/resolved-dns-packet.c @@ -28,6 +28,8 @@ #include "utf8.h" #include "util.h" +#define EDNS0_OPT_DO (1<<15) + int dns_packet_new(DnsPacket **ret, DnsProtocol protocol, size_t mtu) { DnsPacket *p; size_t a; @@ -610,7 +612,7 @@ fail: } /* Append the OPT pseudo-RR described in RFC6891 */ -int dns_packet_append_opt_rr(DnsPacket *p, uint16_t max_udp_size, size_t *start) { +int dns_packet_append_opt_rr(DnsPacket *p, uint16_t max_udp_size, bool edns0_do, size_t *start) { size_t saved_size; int r; @@ -640,8 +642,8 @@ int dns_packet_append_opt_rr(DnsPacket *p, uint16_t max_udp_size, size_t *start) if (r < 0) goto fail; - /* flags */ - r = dns_packet_append_uint16(p, 0, NULL); + /* flags: DNSSEC OK (DO), see RFC3225 */ + r = dns_packet_append_uint16(p, edns0_do ? EDNS0_OPT_DO : 0, NULL); if (r < 0) goto fail; |