diff options
Diffstat (limited to 'src/resolve')
-rw-r--r-- | src/resolve/resolved-dns-packet.c | 6 | ||||
-rw-r--r-- | src/resolve/resolved-dns-rr.c | 59 | ||||
-rw-r--r-- | src/resolve/resolved-dns-rr.h | 2 |
3 files changed, 31 insertions, 36 deletions
diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c index 4492b33cdb..5cbe20832f 100644 --- a/src/resolve/resolved-dns-packet.c +++ b/src/resolve/resolved-dns-packet.c @@ -1079,7 +1079,7 @@ int dns_packet_append_rr(DnsPacket *p, const DnsResourceRecord *rr, size_t *star case _DNS_TYPE_INVALID: /* unparseable */ default: - r = dns_packet_append_blob(p, rr->generic.data, rr->generic.size, NULL); + r = dns_packet_append_blob(p, rr->generic.data, rr->generic.data_size, NULL); break; } if (r < 0) @@ -2022,7 +2022,7 @@ int dns_packet_read_rr(DnsPacket *p, DnsResourceRecord **ret, bool *ret_cache_fl case DNS_TYPE_OPENPGPKEY: default: unparseable: - r = dns_packet_read_memdup(p, rdlength, &rr->generic.data, &rr->generic.size, NULL); + r = dns_packet_read_memdup(p, rdlength, &rr->generic.data, &rr->generic.data_size, NULL); if (r < 0) goto fail; break; @@ -2064,7 +2064,7 @@ static bool opt_is_good(DnsResourceRecord *rr, bool *rfc6975) { return false; p = rr->opt.data; - l = rr->opt.size; + l = rr->opt.data_size; while (l > 0) { uint16_t option_code, option_length; diff --git a/src/resolve/resolved-dns-rr.c b/src/resolve/resolved-dns-rr.c index 6b3be2a80c..783ec7516c 100644 --- a/src/resolve/resolved-dns-rr.c +++ b/src/resolve/resolved-dns-rr.c @@ -571,6 +571,10 @@ int dns_resource_record_new_address(DnsResourceRecord **ret, int family, const u return 0; } +#define FIELD_EQUAL(a, b, field) \ + ((a).field ## _size == (b).field ## _size && \ + memcmp((a).field, (b).field, (a).field ## _size) == 0) + int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecord *b) { int r; @@ -652,36 +656,30 @@ int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecor return a->ds.key_tag == b->ds.key_tag && a->ds.algorithm == b->ds.algorithm && a->ds.digest_type == b->ds.digest_type && - a->ds.digest_size == b->ds.digest_size && - memcmp(a->ds.digest, b->ds.digest, a->ds.digest_size) == 0; + FIELD_EQUAL(a->ds, b->ds, digest); case DNS_TYPE_SSHFP: return a->sshfp.algorithm == b->sshfp.algorithm && a->sshfp.fptype == b->sshfp.fptype && - a->sshfp.fingerprint_size == b->sshfp.fingerprint_size && - memcmp(a->sshfp.fingerprint, b->sshfp.fingerprint, a->sshfp.fingerprint_size) == 0; + FIELD_EQUAL(a->sshfp, b->sshfp, fingerprint); case DNS_TYPE_DNSKEY: return a->dnskey.flags == b->dnskey.flags && a->dnskey.protocol == b->dnskey.protocol && a->dnskey.algorithm == b->dnskey.algorithm && - a->dnskey.key_size == b->dnskey.key_size && - memcmp(a->dnskey.key, b->dnskey.key, a->dnskey.key_size) == 0; + FIELD_EQUAL(a->dnskey, b->dnskey, key); case DNS_TYPE_RRSIG: /* do the fast comparisons first */ - if (a->rrsig.type_covered != b->rrsig.type_covered || - a->rrsig.algorithm != b->rrsig.algorithm || - a->rrsig.labels != b->rrsig.labels || - a->rrsig.original_ttl != b->rrsig.original_ttl || - a->rrsig.expiration != b->rrsig.expiration || - a->rrsig.inception != b->rrsig.inception || - a->rrsig.key_tag != b->rrsig.key_tag || - a->rrsig.signature_size != b->rrsig.signature_size || - memcmp(a->rrsig.signature, b->rrsig.signature, a->rrsig.signature_size) != 0) - return false; - - return dns_name_equal(a->rrsig.signer, b->rrsig.signer); + return a->rrsig.type_covered == b->rrsig.type_covered && + a->rrsig.algorithm == b->rrsig.algorithm && + a->rrsig.labels == b->rrsig.labels && + a->rrsig.original_ttl == b->rrsig.original_ttl && + a->rrsig.expiration == b->rrsig.expiration && + a->rrsig.inception == b->rrsig.inception && + a->rrsig.key_tag == b->rrsig.key_tag && + FIELD_EQUAL(a->rrsig, b->rrsig, signature) && + dns_name_equal(a->rrsig.signer, b->rrsig.signer); case DNS_TYPE_NSEC: return dns_name_equal(a->nsec.next_domain_name, b->nsec.next_domain_name) && @@ -689,23 +687,20 @@ int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecor case DNS_TYPE_NSEC3: return a->nsec3.algorithm == b->nsec3.algorithm && - a->nsec3.flags == b->nsec3.flags && - a->nsec3.iterations == b->nsec3.iterations && - a->nsec3.salt_size == b->nsec3.salt_size && - memcmp(a->nsec3.salt, b->nsec3.salt, a->nsec3.salt_size) == 0 && - memcmp(a->nsec3.next_hashed_name, b->nsec3.next_hashed_name, a->nsec3.next_hashed_name_size) == 0 && - bitmap_equal(a->nsec3.types, b->nsec3.types); + a->nsec3.flags == b->nsec3.flags && + a->nsec3.iterations == b->nsec3.iterations && + FIELD_EQUAL(a->nsec3, b->nsec3, salt) && + FIELD_EQUAL(a->nsec3, b->nsec3, next_hashed_name) && + bitmap_equal(a->nsec3.types, b->nsec3.types); case DNS_TYPE_TLSA: return a->tlsa.cert_usage == b->tlsa.cert_usage && a->tlsa.selector == b->tlsa.selector && a->tlsa.matching_type == b->tlsa.matching_type && - a->tlsa.data_size == b->tlsa.data_size && - memcmp(a->tlsa.data, b->tlsa.data, a->tlsa.data_size) == 0; + FIELD_EQUAL(a->tlsa, b->tlsa, data); default: - return a->generic.size == b->generic.size && - memcmp(a->generic.data, b->generic.data, a->generic.size) == 0; + return FIELD_EQUAL(a->generic, b->generic, data); } } @@ -1157,7 +1152,7 @@ const char *dns_resource_record_to_string(DnsResourceRecord *rr) { return NULL; r = base64_append(&s, n, - rr->generic.data, rr->generic.size, + rr->generic.data, rr->generic.data_size, 8, columns()); if (r < 0) return NULL; @@ -1165,12 +1160,12 @@ const char *dns_resource_record_to_string(DnsResourceRecord *rr) { } default: - t = hexmem(rr->generic.data, rr->generic.size); + t = hexmem(rr->generic.data, rr->generic.data_size); if (!t) return NULL; /* Format as documented in RFC 3597, Section 5 */ - r = asprintf(&s, "%s \\# %zu %s", k, rr->generic.size, t); + r = asprintf(&s, "%s \\# %zu %s", k, rr->generic.data_size, t); if (r < 0) return NULL; break; @@ -1439,7 +1434,7 @@ static void dns_resource_record_hash_func(const void *i, struct siphash *state) case DNS_TYPE_OPENPGPKEY: default: - siphash24_compress(rr->generic.data, rr->generic.size, state); + siphash24_compress(rr->generic.data, rr->generic.data_size, state); break; } } diff --git a/src/resolve/resolved-dns-rr.h b/src/resolve/resolved-dns-rr.h index d42d38cfea..37c4487332 100644 --- a/src/resolve/resolved-dns-rr.h +++ b/src/resolve/resolved-dns-rr.h @@ -129,7 +129,7 @@ struct DnsResourceRecord { union { struct { void *data; - size_t size; + size_t data_size; } generic, opt; struct { |