summaryrefslogtreecommitdiff
path: root/src/resolve/resolved-dns-rr.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/resolve/resolved-dns-rr.h')
-rw-r--r--src/resolve/resolved-dns-rr.h353
1 files changed, 0 insertions, 353 deletions
diff --git a/src/resolve/resolved-dns-rr.h b/src/resolve/resolved-dns-rr.h
deleted file mode 100644
index 42d39a1251..0000000000
--- a/src/resolve/resolved-dns-rr.h
+++ /dev/null
@@ -1,353 +0,0 @@
-#pragma once
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
- ***/
-
-#include <netinet/in.h>
-
-#include "bitmap.h"
-#include "dns-type.h"
-#include "hashmap.h"
-#include "in-addr-util.h"
-#include "list.h"
-#include "string-util.h"
-
-typedef struct DnsResourceKey DnsResourceKey;
-typedef struct DnsResourceRecord DnsResourceRecord;
-typedef struct DnsTxtItem DnsTxtItem;
-
-/* DNSKEY RR flags */
-#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)
-
-/* DNSSEC algorithm identifiers, see
- * http://tools.ietf.org/html/rfc4034#appendix-A.1 and
- * https://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.xhtml */
-enum {
- DNSSEC_ALGORITHM_RSAMD5 = 1,
- DNSSEC_ALGORITHM_DH,
- DNSSEC_ALGORITHM_DSA,
- DNSSEC_ALGORITHM_ECC,
- 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_ECC_GOST = 12, /* RFC 5933 */
- DNSSEC_ALGORITHM_ECDSAP256SHA256 = 13, /* RFC 6605 */
- DNSSEC_ALGORITHM_ECDSAP384SHA384 = 14, /* RFC 6605 */
- DNSSEC_ALGORITHM_INDIRECT = 252,
- DNSSEC_ALGORITHM_PRIVATEDNS,
- DNSSEC_ALGORITHM_PRIVATEOID,
- _DNSSEC_ALGORITHM_MAX_DEFINED
-};
-
-/* DNSSEC digest identifiers, see
- * https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml */
-enum {
- DNSSEC_DIGEST_SHA1 = 1,
- 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; /* (unsigned -1) for const keys, see below */
- uint16_t class, type;
- char *_name; /* don't access directly, use dns_resource_key_name()! */
-};
-
-/* Creates a temporary resource key. This is only useful to quickly
- * look up something, without allocating a full DnsResourceKey object
- * for it. Note that it is not OK to take references to this kind of
- * resource key object. */
-#define DNS_RESOURCE_KEY_CONST(c, t, n) \
- ((DnsResourceKey) { \
- .n_ref = (unsigned) -1, \
- .class = c, \
- .type = t, \
- ._name = (char*) n, \
- })
-
-
-struct DnsTxtItem {
- size_t length;
- LIST_FIELDS(DnsTxtItem, items);
- uint8_t data[];
-};
-
-struct DnsResourceRecord {
- unsigned n_ref;
- DnsResourceKey *key;
-
- char *to_string;
-
- uint32_t ttl;
- usec_t expiry; /* RRSIG signature expiry */
-
- /* How many labels to strip to determine "signer" of the RRSIG (aka, the zone). -1 if not signed. */
- unsigned n_skip_labels_signer;
- /* How many labels to strip to determine "synthesizing source" of this RR, i.e. the wildcard's immediate parent. -1 if not signed. */
- unsigned n_skip_labels_source;
-
- bool unparseable:1;
-
- bool wire_format_canonical:1;
- void *wire_format;
- size_t wire_format_size;
- size_t wire_format_rdata_offset;
-
- union {
- struct {
- void *data;
- size_t data_size;
- } generic, opt;
-
- struct {
- uint16_t priority;
- uint16_t weight;
- uint16_t port;
- char *name;
- } srv;
-
- struct {
- char *name;
- } ptr, ns, cname, dname;
-
- struct {
- char *cpu;
- char *os;
- } hinfo;
-
- struct {
- DnsTxtItem *items;
- } txt, spf;
-
- struct {
- struct in_addr in_addr;
- } a;
-
- struct {
- struct in6_addr in6_addr;
- } aaaa;
-
- struct {
- char *mname;
- char *rname;
- uint32_t serial;
- uint32_t refresh;
- uint32_t retry;
- uint32_t expire;
- uint32_t minimum;
- } soa;
-
- struct {
- uint16_t priority;
- char *exchange;
- } mx;
-
- /* https://tools.ietf.org/html/rfc1876 */
- struct {
- uint8_t version;
- uint8_t size;
- uint8_t horiz_pre;
- uint8_t vert_pre;
- uint32_t latitude;
- uint32_t longitude;
- uint32_t altitude;
- } loc;
-
- /* https://tools.ietf.org/html/rfc4255#section-3.1 */
- struct {
- uint8_t algorithm;
- uint8_t fptype;
- void *fingerprint;
- size_t fingerprint_size;
- } sshfp;
-
- /* http://tools.ietf.org/html/rfc4034#section-2.1 */
- struct {
- uint16_t flags;
- uint8_t protocol;
- uint8_t algorithm;
- void* key;
- size_t key_size;
- } dnskey;
-
- /* http://tools.ietf.org/html/rfc4034#section-3.1 */
- struct {
- uint16_t type_covered;
- uint8_t algorithm;
- uint8_t labels;
- uint32_t original_ttl;
- uint32_t expiration;
- uint32_t inception;
- uint16_t key_tag;
- char *signer;
- void *signature;
- size_t signature_size;
- } rrsig;
-
- /* https://tools.ietf.org/html/rfc4034#section-4.1 */
- struct {
- char *next_domain_name;
- 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;
- uint16_t iterations;
- void *salt;
- size_t salt_size;
- void *next_hashed_name;
- size_t next_hashed_name_size;
- Bitmap *types;
- } nsec3;
-
- /* https://tools.ietf.org/html/draft-ietf-dane-protocol-23 */
- struct {
- uint8_t cert_usage;
- uint8_t selector;
- uint8_t matching_type;
- void *data;
- size_t data_size;
- } tlsa;
-
- /* https://tools.ietf.org/html/rfc6844 */
- struct {
- uint8_t flags;
- char *tag;
- void *value;
- size_t value_size;
- } caa;
- };
-};
-
-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;
-}
-
-static inline uint8_t DNS_RESOURCE_RECORD_OPT_VERSION_SUPPORTED(DnsResourceRecord *rr) {
- assert(rr);
- assert(rr->key->type == DNS_TYPE_OPT);
-
- return ((rr->ttl >> 16) & 0xFF) == 0;
-}
-
-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);
-DnsResourceKey* dns_resource_key_new_consume(uint16_t class, uint16_t type, char *name);
-DnsResourceKey* dns_resource_key_ref(DnsResourceKey *key);
-DnsResourceKey* dns_resource_key_unref(DnsResourceKey *key);
-const char* dns_resource_key_name(const DnsResourceKey *key);
-bool dns_resource_key_is_address(const DnsResourceKey *key);
-int dns_resource_key_equal(const DnsResourceKey *a, const DnsResourceKey *b);
-int dns_resource_key_match_rr(const DnsResourceKey *key, DnsResourceRecord *rr, const char *search_domain);
-int dns_resource_key_match_cname_or_dname(const DnsResourceKey *key, const DnsResourceKey *cname, const char *search_domain);
-int dns_resource_key_match_soa(const DnsResourceKey *key, const DnsResourceKey *soa);
-
-/* _DNS_{CLASS,TYPE}_STRING_MAX include one byte for NUL, which we use for space instead below.
- * DNS_HOSTNAME_MAX does not include the NUL byte, so we need to add 1. */
-#define DNS_RESOURCE_KEY_STRING_MAX (_DNS_CLASS_STRING_MAX + _DNS_TYPE_STRING_MAX + DNS_HOSTNAME_MAX + 1)
-
-char* dns_resource_key_to_string(const DnsResourceKey *key, char *buf, size_t buf_size);
-ssize_t dns_resource_record_payload(DnsResourceRecord *rr, void **out);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(DnsResourceKey*, dns_resource_key_unref);
-
-static inline bool dns_key_is_shared(const DnsResourceKey *key) {
- return IN_SET(key->type, DNS_TYPE_PTR);
-}
-
-bool dns_resource_key_reduce(DnsResourceKey **a, DnsResourceKey **b);
-
-DnsResourceRecord* dns_resource_record_new(DnsResourceKey *key);
-DnsResourceRecord* dns_resource_record_new_full(uint16_t class, uint16_t type, const char *name);
-DnsResourceRecord* dns_resource_record_ref(DnsResourceRecord *rr);
-DnsResourceRecord* dns_resource_record_unref(DnsResourceRecord *rr);
-int dns_resource_record_new_reverse(DnsResourceRecord **ret, int family, const union in_addr_union *address, const char *name);
-int dns_resource_record_new_address(DnsResourceRecord **ret, int family, const union in_addr_union *address, const char *name);
-int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecord *b);
-const char* dns_resource_record_to_string(DnsResourceRecord *rr);
-DnsResourceRecord *dns_resource_record_copy(DnsResourceRecord *rr);
-DEFINE_TRIVIAL_CLEANUP_FUNC(DnsResourceRecord*, dns_resource_record_unref);
-
-int dns_resource_record_to_wire_format(DnsResourceRecord *rr, bool canonical);
-
-int dns_resource_record_signer(DnsResourceRecord *rr, const char **ret);
-int dns_resource_record_source(DnsResourceRecord *rr, const char **ret);
-int dns_resource_record_is_signer(DnsResourceRecord *rr, const char *zone);
-int dns_resource_record_is_synthetic(DnsResourceRecord *rr);
-
-int dns_resource_record_clamp_ttl(DnsResourceRecord **rr, uint32_t max_ttl);
-
-DnsTxtItem *dns_txt_item_free_all(DnsTxtItem *i);
-bool dns_txt_item_equal(DnsTxtItem *a, DnsTxtItem *b);
-DnsTxtItem *dns_txt_item_copy(DnsTxtItem *i);
-
-void dns_resource_record_hash_func(const void *i, struct siphash *state);
-
-extern const struct hash_ops dns_resource_key_hash_ops;
-extern const struct hash_ops dns_resource_record_hash_ops;
-
-int dnssec_algorithm_to_string_alloc(int i, char **ret);
-int dnssec_algorithm_from_string(const char *s) _pure_;
-
-int dnssec_digest_to_string_alloc(int i, char **ret);
-int dnssec_digest_from_string(const char *s) _pure_;