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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-07-31 21:36:58 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-07-31 08:56:03 -0400
commit2e276efc7b0398a3086629a52970bdd4ab7252f9 (patch)
tree72df97e7316d21826096dba6b2f9c3627941e835 /src/resolve
parent946c70944ebdf428ffeb9991a7449edbd4011461 (diff)
resolved: TXT records
Diffstat (limited to 'src/resolve')
-rw-r--r--src/resolve/resolved-dns-packet.c30
-rw-r--r--src/resolve/resolved-dns-rr.c27
-rw-r--r--src/resolve/resolved-dns-rr.h6
3 files changed, 58 insertions, 5 deletions
diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c
index 217bdafcb8..3d64c27ceb 100644
--- a/src/resolve/resolved-dns-packet.c
+++ b/src/resolve/resolved-dns-packet.c
@@ -21,6 +21,7 @@
#include "utf8.h"
#include "util.h"
+#include "strv.h"
#include "resolved-dns-domain.h"
#include "resolved-dns-packet.h"
@@ -512,6 +513,18 @@ int dns_packet_append_rr(DnsPacket *p, const DnsResourceRecord *rr, size_t *star
r = dns_packet_append_string(p, rr->hinfo.os, NULL);
break;
+ case DNS_TYPE_TXT: {
+ char **s;
+
+ STRV_FOREACH(s, rr->txt.strings) {
+ r = dns_packet_append_string(p, *s, NULL);
+ if (r < 0)
+ goto fail;
+ }
+
+ break;
+ }
+
case DNS_TYPE_A:
r = dns_packet_append_blob(p, &rr->a.in_addr, sizeof(struct in_addr), NULL);
break;
@@ -556,7 +569,6 @@ int dns_packet_append_rr(DnsPacket *p, const DnsResourceRecord *rr, size_t *star
r = dns_packet_append_name(p, rr->mx.exchange, NULL);
break;
- case DNS_TYPE_TXT:
case DNS_TYPE_SRV:
case DNS_TYPE_DNAME:
case DNS_TYPE_SSHFP:
@@ -921,6 +933,21 @@ int dns_packet_read_rr(DnsPacket *p, DnsResourceRecord **ret, size_t *start) {
r = dns_packet_read_string(p, &rr->hinfo.os, NULL);
break;
+ case DNS_TYPE_TXT: {
+ char *s;
+
+ while (p->rindex < p->size) {
+ r = dns_packet_read_string(p, &s, NULL);
+ if (r < 0)
+ goto fail;
+
+ r = strv_consume(&rr->txt.strings, s);
+ if (r < 0)
+ goto fail;
+ };
+ break;
+ }
+
case DNS_TYPE_A:
r = dns_packet_read_blob(p, &rr->a.in_addr, sizeof(struct in_addr), NULL);
break;
@@ -965,7 +992,6 @@ int dns_packet_read_rr(DnsPacket *p, DnsResourceRecord **ret, size_t *start) {
r = dns_packet_read_name(p, &rr->mx.exchange, NULL);
break;
- case DNS_TYPE_TXT:
case DNS_TYPE_SRV:
case DNS_TYPE_DNAME:
case DNS_TYPE_SSHFP:
diff --git a/src/resolve/resolved-dns-rr.c b/src/resolve/resolved-dns-rr.c
index 2e13b9c51a..9131b4b349 100644
--- 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"
@@ -234,6 +236,8 @@ 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);
@@ -305,6 +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;
@@ -364,6 +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;
diff --git a/src/resolve/resolved-dns-rr.h b/src/resolve/resolved-dns-rr.h
index 359d662a60..92ffeab203 100644
--- a/src/resolve/resolved-dns-rr.h
+++ b/src/resolve/resolved-dns-rr.h
@@ -98,9 +98,9 @@ struct DnsResourceRecord {
char *os;
} hinfo;
- /* struct { */
- /* char **list; */
- /* } txt; */
+ struct {
+ char **strings;
+ } txt;
struct {
struct in_addr in_addr;