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-rw-r--r--src/resolve/resolved-dns-rr.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-rr.c b/src/resolve/resolved-dns-rr.c
index cb555cb4ef..c8f7cf4a4c 100644
--- a/src/resolve/resolved-dns-rr.c
+++ b/src/resolve/resolved-dns-rr.c
@@ -19,6 +19,7 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include "resolved-dns-domain.h"
#include "resolved-dns-rr.h"
void dns_resource_key_free(DnsResourceKey *key) {
@@ -29,6 +30,38 @@ void dns_resource_key_free(DnsResourceKey *key) {
zero(*key);
}
+unsigned long dns_resource_key_hash_func(const void *i, const uint8_t hash_key[HASH_KEY_SIZE]) {
+ const DnsResourceKey *k = i;
+ unsigned long ul;
+
+ ul = dns_name_hash_func(k->name, hash_key);
+ ul = ul * hash_key[0] + ul + k->class;
+ ul = ul * hash_key[1] + ul + k->type;
+
+ return ul;
+}
+
+int dns_resource_key_compare_func(const void *a, const void *b) {
+ const DnsResourceKey *x = a, *y = b;
+ int ret;
+
+ ret = dns_name_compare_func(x->name, y->name);
+ if (ret != 0)
+ return ret;
+
+ if (x->type < y->type)
+ return -1;
+ if (x->type > y->type)
+ return 1;
+
+ if (x->class < y->class)
+ return -1;
+ if (x->class > y->class)
+ return 1;
+
+ return 0;
+}
+
DnsResourceRecord* dns_resource_record_new(void) {
DnsResourceRecord *rr;
@@ -74,3 +107,121 @@ DnsResourceRecord* dns_resource_record_unref(DnsResourceRecord *rr) {
return NULL;
}
+
+DnsResourceRecord** dns_resource_record_freev(DnsResourceRecord **rrs, unsigned n) {
+ unsigned i;
+
+ assert(n == 0 || rrs);
+
+ for (i = 0; i < n; i++)
+ dns_resource_record_unref(rrs[i]);
+
+ free(rrs);
+ return NULL;
+}
+
+int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecord *b) {
+ int r;
+
+ assert(a);
+ assert(b);
+
+ r = dns_name_equal(a->key.name, b->key.name);
+ if (r <= 0)
+ return r;
+
+ if (a->key.class != b->key.class)
+ return 0;
+
+ if (a->key.type != b->key.type)
+ return 0;
+
+ if (IN_SET(a->key.type, DNS_TYPE_PTR, DNS_TYPE_NS, DNS_TYPE_CNAME))
+ return dns_name_equal(a->ptr.name, b->ptr.name);
+ else if (a->key.type == DNS_TYPE_HINFO)
+ return strcasecmp(a->hinfo.cpu, b->hinfo.cpu) == 0 &&
+ strcasecmp(a->hinfo.os, b->hinfo.os) == 0;
+ else if (a->key.type == DNS_TYPE_A)
+ return memcmp(&a->a.in_addr, &b->a.in_addr, sizeof(struct in_addr)) == 0;
+ else if (a->key.type == DNS_TYPE_AAAA)
+ return memcmp(&a->aaaa.in6_addr, &b->aaaa.in6_addr, sizeof(struct in6_addr)) == 0;
+ else
+ return a->generic.size == b->generic.size &&
+ memcmp(a->generic.data, b->generic.data, a->generic.size) == 0;
+}
+
+const char *dns_class_to_string(uint16_t class) {
+
+ switch (class) {
+
+ case DNS_CLASS_IN:
+ return "IN";
+
+ case DNS_CLASS_ANY:
+ return "ANY";
+ }
+
+ return NULL;
+}
+
+const char *dns_type_to_string(uint16_t type) {
+
+ switch (type) {
+
+ case DNS_TYPE_A:
+ return "A";
+
+ case DNS_TYPE_NS:
+ return "NS";
+
+ case DNS_TYPE_CNAME:
+ return "CNAME";
+
+ case DNS_TYPE_SOA:
+ return "SOA";
+
+ case DNS_TYPE_PTR:
+ return "PTR";
+
+ case DNS_TYPE_HINFO:
+ return "HINFO";
+
+ case DNS_TYPE_MX:
+ return "MX";
+
+ case DNS_TYPE_TXT:
+ return "TXT";
+
+ case DNS_TYPE_AAAA:
+ return "AAAA";
+
+ case DNS_TYPE_SRV:
+ return "SRV";
+
+ case DNS_TYPE_SSHFP:
+ return "SSHFP";
+
+ case DNS_TYPE_DNAME:
+ return "DNAME";
+
+ case DNS_TYPE_ANY:
+ return "ANY";
+
+ case DNS_TYPE_OPT:
+ return "OPT";
+
+ case DNS_TYPE_TKEY:
+ return "TKEY";
+
+ case DNS_TYPE_TSIG:
+ return "TSIG";
+
+ case DNS_TYPE_IXFR:
+ return "IXFR";
+
+ case DNS_TYPE_AXFR:
+ return "AXFR";
+ }
+
+ return NULL;
+}