systemd-resolved: use hostname for certificate validation in DoT

[thirdparty/systemd.git] / src / resolve / resolved-dnstls-gnutls.c

diff --git a/src/resolve/resolved-dnstls-gnutls.c b/src/resolve/resolved-dnstls-gnutls.c
index aad3bb4481f5e2bf1b03416892b9db23db0843ef..ef90a7d5ae941723b19a630dadf6f7c04a39ae94 100644 (file)
--- a/src/resolve/resolved-dnstls-gnutls.c
+++ b/src/resolve/resolved-dnstls-gnutls.c
@@ -56,15 +56,19 @@ int dnstls_stream_connect_tls(DnsStream *stream, DnsServer *server) {
         }
 
         if (server->manager->dns_over_tls_mode == DNS_OVER_TLS_YES) {
-                stream->dnstls_data.validation.type = GNUTLS_DT_IP_ADDRESS;
-                if (server->family == AF_INET) {
-                        stream->dnstls_data.validation.data = (unsigned char*) &server->address.in.s_addr;
-                        stream->dnstls_data.validation.size = 4;
-                } else {
-                        stream->dnstls_data.validation.data = server->address.in6.s6_addr;
-                        stream->dnstls_data.validation.size = 16;
+                if (server->server_name)
+                        gnutls_session_set_verify_cert(gs, server->server_name, 0);
+                else {
+                        stream->dnstls_data.validation.type = GNUTLS_DT_IP_ADDRESS;
+                        if (server->family == AF_INET) {
+                                stream->dnstls_data.validation.data = (unsigned char*) &server->address.in.s_addr;
+                                stream->dnstls_data.validation.size = 4;
+                        } else {
+                                stream->dnstls_data.validation.data = server->address.in6.s6_addr;
+                                stream->dnstls_data.validation.size = 16;
+                        }
+                        gnutls_session_set_verify_cert2(gs, &stream->dnstls_data.validation, 1, 0);
                 }
-                gnutls_session_set_verify_cert2(gs, &stream->dnstls_data.validation, 1, 0);
         }
 
         if (server->server_name) {