added DH Parameters path section

setup.sh

@@ -22,6 +22,7 @@ unset useCertbot
 unset CertbotDomain
 unset CertPath
 unset KeyPath
+unset DHPath
 
 detectedIP=$(ip route get 1 | sed -n 's/^.*src \([0-9.]*\) .*$/\1/p')
 regexIP4="(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])"
@@ -188,7 +189,70 @@ while true; do
                     break
                 fi
             fi
-            echo -e "${norm}"
+            ;;
+    esac
+done
+
+# dhparam: get location of DH Parameters file
+while true; do
+    read -p "What is the path to your DH Parameters file? (default: /etc/ssl/certs/dhparam.pem) " inputDHPath
+    case "${inputDHPath}" in
+        '')
+            # verify default path exists
+            inputDHPath="/etc/ssl/certs/dhparam.pem"            
+            if [ -f "${inputDHPath}" ]; then
+                DHPath="${inputDHPath}"
+                break
+            else
+                echo -e "\n${warn}The file you specified doesn't exist${norm}"
+                while true; do
+                    read -p "Do you want to use this path anyways? " yn
+                    case $yn in
+                        [Yy]*)
+                            DHPath="${inputDHPath}"
+                            break
+                            ;;
+                        [Nn]*)
+                            break
+                            ;;
+                        *)
+                            ;;
+                    esac
+                done
+                if [ -n "${DHPath}" ]; then
+                    break
+                fi
+            fi
+            ;;
+        [Xx]*)
+            echo -e "\n${cyan}---exiting---\n${norm}"
+            exit 1
+            ;;
+        *)
+            # validate path
+            if [ -f "${inputDHPath}" ]; then
+                DHPath="${inputDHPath}"
+                break
+            else
+                echo -e "\n${warn}The file you specified doesn't exist${norm}"
+                while true; do
+                    read -p "Do you want to use this path anyways? " yn
+                    case $yn in
+                        [Yy]*)
+                            DHPath="${inputDHPath}"
+                            break
+                            ;;
+                        [Nn]*)
+                            break
+                            ;;
+                        *)
+                            ;;
+                    esac
+                done
+                if [ -n "${DHPath}" ]; then
+                    break
+                fi
+            fi
             ;;
     esac
 done
@@ -200,5 +264,6 @@ echo "Using Certbot: $useCertbot"
 echo "CertbotDomain: $CertbotDomain"
 echo "CertPath: $CertPath"
 echo "KeyPath: $KeyPath"
+echo "DHPath: $DHPath"
 
 exit 0