revert the SSL TSI changes

src/core/tsi/ssl_transport_security.cc

@@ -344,24 +344,18 @@ static tsi_result add_subject_alt_names_properties_to_peer(
     size_t subject_alt_name_count) {
   size_t i;
   tsi_result result = TSI_OK;
+
   /* Reset for DNS entries filtering. */
   peer->property_count -= subject_alt_name_count;
+
   for (i = 0; i < subject_alt_name_count; i++) {
     GENERAL_NAME* subject_alt_name =
         sk_GENERAL_NAME_value(subject_alt_names, TSI_SIZE_AS_SIZE(i));
-    if (subject_alt_name->type == GEN_DNS ||
-        subject_alt_name->type == GEN_EMAIL ||
-        subject_alt_name->type == GEN_URI) {
+    /* Filter out the non-dns entries names. */
+    if (subject_alt_name->type == GEN_DNS) {
       unsigned char* name = nullptr;
       int name_size;
-      if (subject_alt_name->type == GEN_DNS) {
-        name_size = ASN1_STRING_to_UTF8(&name, subject_alt_name->d.dNSName);
-      } else if (subject_alt_name->type == GEN_EMAIL) {
-        name_size = ASN1_STRING_to_UTF8(&name, subject_alt_name->d.rfc822Name);
-      } else {
-        name_size = ASN1_STRING_to_UTF8(
-            &name, subject_alt_name->d.uniformResourceIdentifier);
-      }
+      name_size = ASN1_STRING_to_UTF8(&name, subject_alt_name->d.dNSName);
       if (name_size < 0) {
         gpr_log(GPR_ERROR, "Could not get utf8 from asn1 string.");
         result = TSI_INTERNAL_ERROR;
@@ -375,6 +369,7 @@ static tsi_result add_subject_alt_names_properties_to_peer(
     } else if (subject_alt_name->type == GEN_IPADD) {
       char ntop_buf[INET6_ADDRSTRLEN];
       int af;
+
       if (subject_alt_name->d.iPAddress->length == 4) {
         af = AF_INET;
       } else if (subject_alt_name->d.iPAddress->length == 16) {
@@ -391,6 +386,7 @@ static tsi_result add_subject_alt_names_properties_to_peer(
         result = TSI_INTERNAL_ERROR;
         break;
       }
+
       result = tsi_construct_string_peer_property_from_cstring(
           TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, name,
           &peer->properties[peer->property_count++]);