Better handling of the freedns code

src/freedombone

           esac
           WIKI_TITLE=$(cat $data | sed -n 1p)
           WIKI_DOMAIN_NAME=$(cat $data | sed -n 2p)
-      done
-      if [ ! $DOMAIN_NAME ]; then
-          DOMAIN_NAME=$WIKI_DOMAIN_NAME
-      fi
-      if [[ $DDNS_PROVIDER == "default@freedns.afraid.org" ]]; then
-          WIKI_FREEDNS_SUBDOMAIN_CODE=$(cat $data | sed -n 3p)
-          if [[ $DOMAIN_NAME == "$WIKI_DOMAIN_NAME" ]]; then
-              FREEDNS_SUBDOMAIN_CODE=$WIKI_FREEDNS_SUBDOMAIN_CODE
+          if [ $WIKI_DOMAIN_NAME ]; then
+              if [ ! $DOMAIN_NAME ]; then
+                  DOMAIN_NAME=$WIKI_DOMAIN_NAME
+              fi
+              if [[ $DDNS_PROVIDER == "default@freedns.afraid.org" ]]; then
+                  WIKI_FREEDNS_SUBDOMAIN_CODE=$(cat $data | sed -n 3p)
+                  if [ ! $WIKI_FREEDNS_SUBDOMAIN_CODE ]; then
+                      WIKI_DOMAIN_NAME=""
+                  else
+                      if [[ $DOMAIN_NAME == "$WIKI_DOMAIN_NAME" ]]; then
+                          FREEDNS_SUBDOMAIN_CODE=$WIKI_FREEDNS_SUBDOMAIN_CODE
+                      fi
+                  fi
+              fi
           fi
-      fi
+      done
   fi
 
   if [[ $SYSTEM_TYPE == "$VARIANT_WRITER" || $SYSTEM_TYPE == "$VARIANT_FULL" ]]; then
           esac
           MY_BLOG_TITLE=$(cat $data | sed -n 1p)
           FULLBLOG_DOMAIN_NAME=$(cat $data | sed -n 2p)
-          if [[ $FULLBLOG_DOMAIN_NAME == "$WIKI_DOMAIN_NAME" ]]; then
-              FULLBLOG_DOMAIN_NAME=""
+          if [ $FULLBLOG_DOMAIN_NAME ]; then
+              if [[ $FULLBLOG_DOMAIN_NAME == "$WIKI_DOMAIN_NAME" ]]; then
+                  FULLBLOG_DOMAIN_NAME=""
+              fi
+              if [ ! $DOMAIN_NAME ]; then
+                  DOMAIN_NAME=$FULLBLOG_DOMAIN_NAME
+              fi
+              if [[ $DDNS_PROVIDER == "default@freedns.afraid.org" ]]; then
+                  FULLBLOG_FREEDNS_SUBDOMAIN_CODE=$(cat $data | sed -n 3p)
+                  if [ ! $FULLBLOG_FREEDNS_SUBDOMAIN_CODE ]; then
+                      FULLBLOG_DOMAIN_NAME=""
+                  else
+                      if [[ $DOMAIN_NAME == "$FULLBLOG_DOMAIN_NAME" ]]; then
+                          FREEDNS_SUBDOMAIN_CODE=$FULLBLOG_FREEDNS_SUBDOMAIN_CODE
+                      fi
+                  fi
+              fi
           fi
       done
-      if [ ! $DOMAIN_NAME ]; then
-          DOMAIN_NAME=$FULLBLOG_DOMAIN_NAME
-      fi
-      if [[ $DDNS_PROVIDER == "default@freedns.afraid.org" ]]; then
-          FULLBLOG_FREEDNS_SUBDOMAIN_CODE=$(cat $data | sed -n 3p)
-          if [[ $DOMAIN_NAME == "$FULLBLOG_DOMAIN_NAME" ]]; then
-              FREEDNS_SUBDOMAIN_CODE=$FULLBLOG_FREEDNS_SUBDOMAIN_CODE
-          fi
-      fi
   fi
 
   if [[ $SYSTEM_TYPE == "$VARIANT_CLOUD" || $SYSTEM_TYPE == "$VARIANT_FULL" ]]; then
               255) exit 0;;
           esac
           OWNCLOUD_DOMAIN_NAME=$(cat $data | sed -n 1p)
-      done
-      if [ ! $DOMAIN_NAME ]; then
-          DOMAIN_NAME=$OWNCLOUD_DOMAIN_NAME
-      fi
-      if [[ $DDNS_PROVIDER == "default@freedns.afraid.org" ]]; then
-          OWNCLOUD_FREEDNS_SUBDOMAIN_CODE=$(cat $data | sed -n 2p)
-          if [[ $DOMAIN_NAME == "$OWNCLOUD_DOMAIN_NAME" ]]; then
-              FREEDNS_SUBDOMAIN_CODE=$OWNCLOUD_FREEDNS_SUBDOMAIN_CODE
+          if [ $OWNCLOUD_DOMAIN_NAME ]; then
+              if [ ! $DOMAIN_NAME ]; then
+                  DOMAIN_NAME=$OWNCLOUD_DOMAIN_NAME
+              fi
+              if [[ $DDNS_PROVIDER == "default@freedns.afraid.org" ]]; then
+                  OWNCLOUD_FREEDNS_SUBDOMAIN_CODE=$(cat $data | sed -n 2p)
+                  if [ ! $OWNCLOUD_FREEDNS_SUBDOMAIN_CODE ]; then
+                      OWNCLOUD_DOMAIN_NAME=""
+                  else
+                      if [[ $DOMAIN_NAME == "$OWNCLOUD_DOMAIN_NAME" ]]; then
+                          FREEDNS_SUBDOMAIN_CODE=$OWNCLOUD_FREEDNS_SUBDOMAIN_CODE
+                      fi
+                  fi
+              fi
           fi
-      fi
+      done
   fi
 
   if [[ $SYSTEM_TYPE == "$VARIANT_SOCIAL" || $SYSTEM_TYPE == "$VARIANT_FULL" ]]; then
               255) exit 0;;
           esac
           REDMATRIX_DOMAIN_NAME=$(cat $data | sed -n 1p)
-      done
-      if [ ! $DOMAIN_NAME ]; then
-          DOMAIN_NAME=$REDMATRIX_DOMAIN_NAME
-      fi
-      if [[ $DDNS_PROVIDER == "default@freedns.afraid.org" ]]; then
-          REDMATRIX_FREEDNS_SUBDOMAIN_CODE=$(cat $data | sed -n 2p)
-          if [[ $DOMAIN_NAME == "$REDMATRIX_DOMAIN_NAME" ]]; then
-              FREEDNS_SUBDOMAIN_CODE=$REDMATRIX_FREEDNS_SUBDOMAIN_CODE
+          if [ $REDMATRIX_DOMAIN_NAME ]; then
+              if [ ! $DOMAIN_NAME ]; then
+                  DOMAIN_NAME=$REDMATRIX_DOMAIN_NAME
+              fi
+              if [[ $DDNS_PROVIDER == "default@freedns.afraid.org" ]]; then
+                  REDMATRIX_FREEDNS_SUBDOMAIN_CODE=$(cat $data | sed -n 2p)
+                  if [ ! $REDMATRIX_FREEDNS_SUBDOMAIN_CODE ]; then
+                      REDMATRIX_DOMAIN_NAME=""
+                  else
+                      if [[ $DOMAIN_NAME == "$REDMATRIX_DOMAIN_NAME" ]]; then
+                          FREEDNS_SUBDOMAIN_CODE=$REDMATRIX_FREEDNS_SUBDOMAIN_CODE
+                      fi
+                  fi
+              fi
           fi
-      fi
+      done
   fi
 
   if [[ $SYSTEM_TYPE == "$VARIANT_SOCIAL" || $SYSTEM_TYPE == "$VARIANT_FULL" ]]; then
               255) exit 0;;
           esac
           MICROBLOG_DOMAIN_NAME=$(cat $data | sed -n 1p)
-          if [[ $MICROBLOG_DOMAIN_NAME == "$REDMATRIX_DOMAIN_NAME" ]]; then
-              MICROBLOG_DOMAIN_NAME=""
+          if [ $MICROBLOG_DOMAIN_NAME ]; then
+              if [[ $MICROBLOG_DOMAIN_NAME == "$REDMATRIX_DOMAIN_NAME" ]]; then
+                  MICROBLOG_DOMAIN_NAME=""
+              fi
+              if [ ! $DOMAIN_NAME ]; then
+                  DOMAIN_NAME=$MICROBLOG_DOMAIN_NAME
+              fi
+              if [[ $DDNS_PROVIDER == "default@freedns.afraid.org" ]]; then
+                  MICROBLOG_FREEDNS_SUBDOMAIN_CODE=$(cat $data | sed -n 2p)
+                  if [ ! $MICROBLOG_FREEDNS_SUBDOMAIN_CODE ]; then
+                      MICROBLOG_DOMAIN_NAME=""
+                  else
+                      if [[ $DOMAIN_NAME == "$MICROBLOG_DOMAIN_NAME" ]]; then
+                          FREEDNS_SUBDOMAIN_CODE=$MICROBLOG_FREEDNS_SUBDOMAIN_CODE
+                      fi
+                  fi
+              fi
           fi
       done
-      if [ ! $DOMAIN_NAME ]; then
-          DOMAIN_NAME=$MICROBLOG_DOMAIN_NAME
-      fi
-      if [[ $DDNS_PROVIDER == "default@freedns.afraid.org" ]]; then
-          MICROBLOG_FREEDNS_SUBDOMAIN_CODE=$(cat $data | sed -n 2p)
-          if [[ $DOMAIN_NAME == "$MICROBLOG_DOMAIN_NAME" ]]; then
-              FREEDNS_SUBDOMAIN_CODE=$MICROBLOG_FREEDNS_SUBDOMAIN_CODE
-          fi
-      fi
   fi
 
   if [ ! $DOMAIN_NAME ]; then