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path: root/src/resolve/resolved-dns-rr.c
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Diffstat (limited to 'src/resolve/resolved-dns-rr.c')
-rw-r--r--src/resolve/resolved-dns-rr.c170
1 files changed, 160 insertions, 10 deletions
diff --git a/src/resolve/resolved-dns-rr.c b/src/resolve/resolved-dns-rr.c
index c1818eef9c..9c12205ab8 100644
--- a/src/resolve/resolved-dns-rr.c
+++ b/src/resolve/resolved-dns-rr.c
@@ -171,19 +171,19 @@ const struct hash_ops dns_resource_key_hash_ops = {
};
int dns_resource_key_to_string(const DnsResourceKey *key, char **ret) {
- char cbuf[DECIMAL_STR_MAX(uint16_t)], tbuf[DECIMAL_STR_MAX(uint16_t)];
+ char cbuf[strlen("CLASS") + DECIMAL_STR_MAX(uint16_t)], tbuf[strlen("TYPE") + DECIMAL_STR_MAX(uint16_t)];
const char *c, *t;
char *s;
c = dns_class_to_string(key->class);
if (!c) {
- sprintf(cbuf, "%i", key->class);
+ sprintf(cbuf, "CLASS%u", key->class);
c = cbuf;
}
t = dns_type_to_string(key->type);
if (!t){
- sprintf(tbuf, "%i", key->type);
+ sprintf(tbuf, "TYPE%u", key->type);
t = tbuf;
}
@@ -271,6 +271,10 @@ DnsResourceRecord* dns_resource_record_unref(DnsResourceRecord *rr) {
free(rr->mx.exchange);
break;
+ case DNS_TYPE_DS:
+ free(rr->ds.digest);
+ break;
+
case DNS_TYPE_SSHFP:
free(rr->sshfp.key);
break;
@@ -284,6 +288,17 @@ DnsResourceRecord* dns_resource_record_unref(DnsResourceRecord *rr) {
free(rr->rrsig.signature);
break;
+ case DNS_TYPE_NSEC:
+ free(rr->nsec.next_domain_name);
+ bitmap_free(rr->nsec.types);
+ break;
+
+ case DNS_TYPE_NSEC3:
+ free(rr->nsec3.next_hashed_name);
+ free(rr->nsec3.salt);
+ bitmap_free(rr->nsec3.types);
+ break;
+
case DNS_TYPE_LOC:
case DNS_TYPE_A:
case DNS_TYPE_AAAA:
@@ -409,6 +424,13 @@ int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecor
a->loc.longitude == b->loc.longitude &&
a->loc.altitude == b->loc.altitude;
+ case DNS_TYPE_DS:
+ 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;
+
case DNS_TYPE_SSHFP:
return a->sshfp.algorithm == b->sshfp.algorithm &&
a->sshfp.fptype == b->sshfp.fptype &&
@@ -437,6 +459,19 @@ int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecor
return 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) &&
+ bitmap_equal(a->nsec.types, b->nsec.types);
+
+ 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);
+
default:
return a->generic.size == b->generic.size &&
memcmp(a->generic.data, b->generic.data, a->generic.size) == 0;
@@ -474,6 +509,53 @@ static char* format_location(uint32_t latitude, uint32_t longitude, uint32_t alt
return s;
}
+static int format_timestamp_dns(char *buf, size_t l, time_t sec) {
+ struct tm tm;
+
+ assert(buf);
+ assert(l > strlen("YYYYMMDDHHmmSS"));
+
+ if (!gmtime_r(&sec, &tm))
+ return -EINVAL;
+
+ if (strftime(buf, l, "%Y%m%d%H%M%S", &tm) <= 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static char *format_types(Bitmap *types) {
+ _cleanup_strv_free_ char **strv = NULL;
+ _cleanup_free_ char *str = NULL;
+ Iterator i;
+ unsigned type;
+ int r;
+
+ BITMAP_FOREACH(type, types, i) {
+ if (dns_type_to_string(type)) {
+ r = strv_extend(&strv, dns_type_to_string(type));
+ if (r < 0)
+ return NULL;
+ } else {
+ char *t;
+
+ r = asprintf(&t, "TYPE%u", type);
+ if (r < 0)
+ return NULL;
+
+ r = strv_consume(&strv, t);
+ if (r < 0)
+ return NULL;
+ }
+ }
+
+ str = strv_join(strv, " ");
+ if (!str)
+ return NULL;
+
+ return strjoin("( ", str, " )", NULL);
+}
+
int dns_resource_record_to_string(const DnsResourceRecord *rr, char **ret) {
_cleanup_free_ char *k = NULL, *t = NULL;
char *s;
@@ -589,6 +671,21 @@ int dns_resource_record_to_string(const DnsResourceRecord *rr, char **ret) {
return -ENOMEM;
break;
+ case DNS_TYPE_DS:
+ t = hexmem(rr->ds.digest, rr->ds.digest_size);
+ if (!t)
+ return -ENOMEM;
+
+ r = asprintf(&s, "%s %u %u %u %s",
+ k,
+ rr->ds.key_tag,
+ rr->ds.algorithm,
+ rr->ds.digest_type,
+ t);
+ if (r < 0)
+ return -ENOMEM;
+ break;
+
case DNS_TYPE_SSHFP:
t = hexmem(rr->sshfp.key, rr->sshfp.key_size);
if (!t)
@@ -608,7 +705,7 @@ int dns_resource_record_to_string(const DnsResourceRecord *rr, char **ret) {
alg = dnssec_algorithm_to_string(rr->dnskey.algorithm);
- t = hexmem(rr->dnskey.key, rr->dnskey.key_size);
+ t = base64mem(rr->dnskey.key, rr->dnskey.key_size);
if (!t)
return -ENOMEM;
@@ -625,18 +722,27 @@ int dns_resource_record_to_string(const DnsResourceRecord *rr, char **ret) {
case DNS_TYPE_RRSIG: {
const char *type, *alg;
+ char expiration[strlen("YYYYMMDDHHmmSS") + 1], inception[strlen("YYYYMMDDHHmmSS") + 1];
type = dns_type_to_string(rr->rrsig.type_covered);
alg = dnssec_algorithm_to_string(rr->rrsig.algorithm);
- t = hexmem(rr->rrsig.signature, rr->rrsig.signature_size);
+ t = base64mem(rr->rrsig.signature, rr->rrsig.signature_size);
if (!t)
return -ENOMEM;
+ r = format_timestamp_dns(expiration, sizeof(expiration), rr->rrsig.expiration);
+ if (r < 0)
+ return r;
+
+ r = format_timestamp_dns(inception, sizeof(inception), rr->rrsig.inception);
+ if (r < 0)
+ return r;
+
/* TYPE?? follows
* http://tools.ietf.org/html/rfc3597#section-5 */
- r = asprintf(&s, "%s %s%.*u %.*s%.*u %u %u %u %u %u %s %s",
+ r = asprintf(&s, "%s %s%.*u %.*s%.*u %u %u %s %s %u %s %s",
k,
type ?: "TYPE",
type ? 0 : 1, type ? 0u : (unsigned) rr->rrsig.type_covered,
@@ -644,8 +750,8 @@ int dns_resource_record_to_string(const DnsResourceRecord *rr, char **ret) {
alg ? 0 : 1, alg ? 0u : (unsigned) rr->rrsig.algorithm,
rr->rrsig.labels,
rr->rrsig.original_ttl,
- rr->rrsig.expiration,
- rr->rrsig.inception,
+ expiration,
+ inception,
rr->rrsig.key_tag,
rr->rrsig.signer,
t);
@@ -654,13 +760,57 @@ int dns_resource_record_to_string(const DnsResourceRecord *rr, char **ret) {
break;
}
+ case DNS_TYPE_NSEC:
+ t = format_types(rr->nsec.types);
+ if (!t)
+ return -ENOMEM;
+
+ r = asprintf(&s, "%s %s %s",
+ k,
+ rr->nsec.next_domain_name,
+ t);
+ if (r < 0)
+ return -ENOMEM;
+ break;
+
+ case DNS_TYPE_NSEC3: {
+ _cleanup_free_ char *salt = NULL, *hash = NULL;
+
+ if (rr->nsec3.salt_size) {
+ salt = hexmem(rr->nsec3.salt, rr->nsec3.salt_size);
+ if (!salt)
+ return -ENOMEM;
+ }
+
+ hash = base32hexmem(rr->nsec3.next_hashed_name, rr->nsec3.next_hashed_name_size, false);
+ if (!hash)
+ return -ENOMEM;
+
+ t = format_types(rr->nsec3.types);
+ if (!t)
+ return -ENOMEM;
+
+ r = asprintf(&s, "%s %"PRIu8" %"PRIu8" %"PRIu16" %s %s %s",
+ k,
+ rr->nsec3.algorithm,
+ rr->nsec3.flags,
+ rr->nsec3.iterations,
+ rr->nsec3.salt_size ? salt : "-",
+ hash,
+ t);
+ if (r < 0)
+ return -ENOMEM;
+
+ break;
+ }
+
default:
t = hexmem(rr->generic.data, rr->generic.size);
if (!t)
return -ENOMEM;
- s = strjoin(k, " ", t, NULL);
- if (!s)
+ r = asprintf(&s, "%s \\# %"PRIu8" %s", k, rr->generic.size, t);
+ if (r < 0)
return -ENOMEM;
break;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-25 11:59:13 +0000