[IOT-2263] Fix provisioning flow with DOS

Updates provisioning flow for:
1) Trust Chain
2) PSK
3) ACL

Change-Id: Id1824b3ef7974658857a203125d36ca25a653add
Signed-off-by: Dmitriy Zhuravlev <d.zhuravlev@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/19931Tested-by: jenkins-iotivity <jenkins@iotivity.org>

resource/csdk/security/src/aclresource.c

@@ -2627,9 +2627,8 @@ static OCEntityHandlerResult HandleACLPostRequest(const OCEntityHandlerRequest *
         (DOS_RFNOP == dos.state))
     {
         OIC_LOG_V(WARNING, TAG, "%s /acl resource is read-only in RESET and RFNOP.", __func__);
-        // TODO fix infinite loop in mediator sample
-//        ehRet = OC_EH_NOT_ACCEPTABLE;
-//        goto exit;
+        ehRet = OC_EH_NOT_ACCEPTABLE;
+        goto exit;
     }
     else
     {

resource/csdk/security/src/credresource.c

@@ -2099,13 +2099,11 @@ static OCEntityHandlerResult HandlePostRequest(OCEntityHandlerRequest * ehReques
 
     VERIFY_SUCCESS(TAG, OC_STACK_OK == GetDos(&dos), ERROR);
     if ((DOS_RESET == dos.state) ||
-        (DOS_RFPRO == dos.state) ||
         (DOS_RFNOP == dos.state))
     {
-        OIC_LOG_V(WARNING, TAG, "%s /cred resource is read-only in RESET, RFPRO and RFNOP.", __func__);
-        // TODO fix  infinite loop in mediator sample
-//        ret = OC_EH_NOT_ACCEPTABLE;
-//        goto exit;
+        OIC_LOG_V(WARNING, TAG, "%s /cred resource is read-only in RESET and RFNOP.", __func__);
+        ret = OC_EH_NOT_ACCEPTABLE;
+        goto exit;
     }
 
     res = CBORPayloadToCred(payload, size, &cred);