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| author | Tom Gundersen <teg@jklm.no> | 2016-01-01 11:19:19 +0100 |
|---|---|---|
| committer | Tom Gundersen <teg@jklm.no> | 2016-01-01 11:19:19 +0100 |
| commit | 5809f340fd7e5e6c76e229059c50d92e1f57e8d8 (patch) | |
| tree | 067a8be93fd921d0e3d6ef9138569f267b787204 /src/resolve/resolved-dns-packet.h | |
| parent | b485d2003efe10e88dc806527954154de636ccb2 (diff) | |
| parent | e9bb4ec69dafb2f39551265e6b900bb18a3169bd (diff) | |
Merge pull request #2241 from poettering/dnssec9
Ninth DNSSEC patch set
Diffstat (limited to 'src/resolve/resolved-dns-packet.h')
| -rw-r--r-- | src/resolve/resolved-dns-packet.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-packet.h b/src/resolve/resolved-dns-packet.h index a09ace5b75..6821be73e4 100644 --- a/src/resolve/resolved-dns-packet.h +++ b/src/resolve/resolved-dns-packet.h @@ -119,7 +119,17 @@ static inline uint8_t* DNS_PACKET_DATA(DnsPacket *p) { #define DNS_PACKET_RA(p) ((be16toh(DNS_PACKET_HEADER(p)->flags) >> 7) & 1) #define DNS_PACKET_AD(p) ((be16toh(DNS_PACKET_HEADER(p)->flags) >> 5) & 1) #define DNS_PACKET_CD(p) ((be16toh(DNS_PACKET_HEADER(p)->flags) >> 4) & 1) -#define DNS_PACKET_RCODE(p) (be16toh(DNS_PACKET_HEADER(p)->flags) & 15) + +static inline uint16_t DNS_PACKET_RCODE(DnsPacket *p) { + uint16_t rcode; + + if (p->opt) + rcode = (uint16_t) (p->opt->ttl >> 24); + else + rcode = 0; + + return rcode | (be16toh(DNS_PACKET_HEADER(p)->flags) & 15); +} /* LLMNR defines some bits differently */ #define DNS_PACKET_LLMNR_C(p) DNS_PACKET_AA(p) @@ -203,6 +213,7 @@ static inline bool DNS_PACKET_SHALL_CACHE(DnsPacket *p) { return in_addr_is_localhost(p->family, &p->sender) == 0; } +/* https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-6 */ enum { DNS_RCODE_SUCCESS = 0, DNS_RCODE_FORMERR = 1, |