resolved: TXT records

[elogind.git] / src / resolve / resolved-dns-rr.c

diff --git a/src/resolve/resolved-dns-rr.c b/src/resolve/resolved-dns-rr.c
index e1200c9bc00c45aeac8629bbbe6172f3936f190b..9131b4b349841d8c344ce638ffc4c30043e2e0e4 100644 (file)
--- a/src/resolve/resolved-dns-rr.c
+++ b/src/resolve/resolved-dns-rr.c
@@ -19,6 +19,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include "strv.h"
+
 #include "resolved-dns-domain.h"
 #include "resolved-dns-rr.h"
 
@@ -234,9 +236,13 @@ DnsResourceRecord* dns_resource_record_unref(DnsResourceRecord *rr) {
                 else if (rr->key->type == DNS_TYPE_HINFO) {
                         free(rr->hinfo.cpu);
                         free(rr->hinfo.os);
+                } else if (rr->key->type == DNS_TYPE_TXT) {
+                        strv_free(rr->txt.strings);
                 } else if (rr->key->type == DNS_TYPE_SOA) {
                         free(rr->soa.mname);
                         free(rr->soa.rname);
+                } else if (rr->key->type == DNS_TYPE_MX) {
+                        free(rr->mx.exchange);
                 } else if (!IN_SET(rr->key->type, DNS_TYPE_A, DNS_TYPE_AAAA))
                         free(rr->generic.data);
 
@@ -303,6 +309,15 @@ int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecor
                 return strcaseeq(a->hinfo.cpu, b->hinfo.cpu) &&
                        strcaseeq(a->hinfo.os, b->hinfo.os);
 
+        case DNS_TYPE_TXT: {
+                int i;
+
+                for (i = 0; a->txt.strings[i] || b->txt.strings[i]; i++)
+                        if (!streq_ptr(a->txt.strings[i], b->txt.strings[i]))
+                                return false;
+                return true;
+        }
+
         case DNS_TYPE_A:
                 return memcmp(&a->a.in_addr, &b->a.in_addr, sizeof(struct in_addr)) == 0;
 
@@ -322,6 +337,12 @@ int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecor
                        a->soa.retry   == b->soa.retry &&
                        a->soa.expire  == b->soa.expire &&
                        a->soa.minimum == b->soa.minimum;
+        case DNS_TYPE_MX:
+                if (a->mx.priority != b->mx.priority)
+                        return 0;
+
+                return dns_name_equal(a->mx.exchange, b->mx.exchange);
+
         default:
                 return a->generic.size == b->generic.size &&
                         memcmp(a->generic.data, b->generic.data, a->generic.size) == 0;
@@ -356,6 +377,20 @@ int dns_resource_record_to_string(const DnsResourceRecord *rr, char **ret) {
                         return -ENOMEM;
                 break;
 
+        case DNS_TYPE_TXT: {
+                _cleanup_free_ char *t;
+
+                t = strv_join_quoted(rr->txt.strings);
+                if (!t)
+                        return -ENOMEM;
+
+                s = strjoin(k, " ", t, NULL);
+                if (!s)
+                        return -ENOMEM;
+
+                break;
+        }
+
         case DNS_TYPE_A: {
                 _cleanup_free_ char *x = NULL;
 
@@ -396,6 +431,15 @@ int dns_resource_record_to_string(const DnsResourceRecord *rr, char **ret) {
                         return -ENOMEM;
                 break;
 
+        case DNS_TYPE_MX:
+                r = asprintf(&s, "%s %u %s",
+                             k,
+                             rr->mx.priority,
+                             rr->mx.exchange);
+                if (r < 0)
+                        return -ENOMEM;
+                break;
+
         default: {
                 _cleanup_free_ char *x = NULL;