diff options
Diffstat (limited to 'src/resolve/resolved-dns-rr.h')
-rw-r--r-- | src/resolve/resolved-dns-rr.h | 65 |
1 files changed, 49 insertions, 16 deletions
diff --git a/src/resolve/resolved-dns-rr.h b/src/resolve/resolved-dns-rr.h index fccc4dba6a..26ab36401c 100644 --- a/src/resolve/resolved-dns-rr.h +++ b/src/resolve/resolved-dns-rr.h @@ -34,8 +34,9 @@ typedef struct DnsResourceRecord DnsResourceRecord; typedef struct DnsTxtItem DnsTxtItem; /* DNSKEY RR flags */ -#define DNSKEY_FLAG_ZONE_KEY (UINT16_C(1) << 8) #define DNSKEY_FLAG_SEP (UINT16_C(1) << 0) +#define DNSKEY_FLAG_REVOKE (UINT16_C(1) << 7) +#define DNSKEY_FLAG_ZONE_KEY (UINT16_C(1) << 8) /* mDNS RR flags */ #define MDNS_RR_CACHE_FLUSH (UINT16_C(1) << 15) @@ -51,8 +52,9 @@ enum { DNSSEC_ALGORITHM_RSASHA1, DNSSEC_ALGORITHM_DSA_NSEC3_SHA1, DNSSEC_ALGORITHM_RSASHA1_NSEC3_SHA1, - DNSSEC_ALGORITHM_RSASHA256 = 8, /* RFC 5702 */ - DNSSEC_ALGORITHM_RSASHA512 = 10, /* RFC 5702 */ + DNSSEC_ALGORITHM_RSASHA256 = 8, /* RFC 5702 */ + DNSSEC_ALGORITHM_RSASHA512 = 10, /* RFC 5702 */ + DNSSEC_ALGORITHM_ECC_GOST = 12, /* RFC 5933 */ DNSSEC_ALGORITHM_ECDSAP256SHA256 = 13, /* RFC 6605 */ DNSSEC_ALGORITHM_ECDSAP384SHA384 = 14, /* RFC 6605 */ DNSSEC_ALGORITHM_INDIRECT = 252, @@ -65,11 +67,19 @@ enum { * https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml */ enum { DNSSEC_DIGEST_SHA1 = 1, - DNSSEC_DIGEST_SHA256 = 2, - DNSSEC_DIGEST_SHA384 = 4, + DNSSEC_DIGEST_SHA256 = 2, /* RFC 4509 */ + DNSSEC_DIGEST_GOST_R_34_11_94 = 3, /* RFC 5933 */ + DNSSEC_DIGEST_SHA384 = 4, /* RFC 6605 */ _DNSSEC_DIGEST_MAX_DEFINED }; +/* DNSSEC NSEC3 hash algorithms, see + * https://www.iana.org/assignments/dnssec-nsec3-parameters/dnssec-nsec3-parameters.xhtml */ +enum { + NSEC3_ALGORITHM_SHA1 = 1, + _NSEC3_ALGORITHM_MAX_DEFINED +}; + struct DnsResourceKey { unsigned n_ref; uint16_t class, type; @@ -155,6 +165,7 @@ struct DnsResourceRecord { char *exchange; } mx; + /* https://tools.ietf.org/html/rfc1876 */ struct { uint8_t version; uint8_t size; @@ -165,14 +176,6 @@ struct DnsResourceRecord { uint32_t altitude; } loc; - struct { - uint16_t key_tag; - uint8_t algorithm; - uint8_t digest_type; - void *digest; - size_t digest_size; - } ds; - /* https://tools.ietf.org/html/rfc4255#section-3.1 */ struct { uint8_t algorithm; @@ -210,6 +213,15 @@ struct DnsResourceRecord { Bitmap *types; } nsec; + /* https://tools.ietf.org/html/rfc4034#section-5.1 */ + struct { + uint16_t key_tag; + uint8_t algorithm; + uint8_t digest_type; + void *digest; + size_t digest_size; + } ds; + struct { uint8_t algorithm; uint8_t flags; @@ -224,7 +236,7 @@ struct DnsResourceRecord { }; static inline const char* DNS_RESOURCE_KEY_NAME(const DnsResourceKey *key) { - if (_unlikely_(!key)) + if (!key) return NULL; if (key->_name) @@ -233,6 +245,27 @@ static inline const char* DNS_RESOURCE_KEY_NAME(const DnsResourceKey *key) { return (char*) key + sizeof(DnsResourceKey); } +static inline const void* DNS_RESOURCE_RECORD_RDATA(DnsResourceRecord *rr) { + if (!rr) + return NULL; + + if (!rr->wire_format) + return NULL; + + assert(rr->wire_format_rdata_offset <= rr->wire_format_size); + return (uint8_t*) rr->wire_format + rr->wire_format_rdata_offset; +} + +static inline size_t DNS_RESOURCE_RECORD_RDATA_SIZE(DnsResourceRecord *rr) { + if (!rr) + return 0; + if (!rr->wire_format) + return 0; + + assert(rr->wire_format_rdata_offset <= rr->wire_format_size); + return rr->wire_format_size - rr->wire_format_rdata_offset; +} + DnsResourceKey* dns_resource_key_new(uint16_t class, uint16_t type, const char *name); DnsResourceKey* dns_resource_key_new_redirect(const DnsResourceKey *key, const DnsResourceRecord *cname); int dns_resource_key_new_append_suffix(DnsResourceKey **ret, DnsResourceKey *key, char *name); @@ -268,8 +301,8 @@ bool dns_txt_item_equal(DnsTxtItem *a, DnsTxtItem *b); extern const struct hash_ops dns_resource_key_hash_ops; -const char* dnssec_algorithm_to_string(int i) _const_; +int dnssec_algorithm_to_string_alloc(int i, char **ret); int dnssec_algorithm_from_string(const char *s) _pure_; -const char *dnssec_digest_to_string(int i) _const_; +int dnssec_digest_to_string_alloc(int i, char **ret); int dnssec_digest_from_string(const char *s) _pure_; |