added unattended installation options

install.sh

@@ -1,5 +1,38 @@
 #!/bin/bash
 
+# Get user options
+while getopts i:-: option; do
+    case "${option}" in
+        -)
+            case "${OPTARG}" in
+                help)
+                    help="true";;
+                resolveip)
+                    resolveip="true";;
+                resolvedns)
+                    val="${!OPTIND}"; OPTIND=$(( $OPTIND + 1 ))
+                    resolvedns=${val};;
+                install-http)
+                    http="true";;
+                skip-http)
+                    http="false";;
+            esac;;
+        i) resolveip="true";;
+    esac
+done
+
+function displayhelp() {
+    if [[ ! -z $help ]]; then
+        echo 'usage: install.sh --resolveip --resolvedns "fqdn"'
+        echo "options:"
+        echo "--resolveip    Use IP for server name.  Cannot use in combination with --resolvedns or -d"
+        echo '--resolvedns "fqdn"    Use FQDN for server name.  Cannot use in combination with --resolveip or -i'
+        echo "--install-http    Install http server to host installation scripts.  Cannot use in combination with --skip-http or -n"
+        echo "--skip-http    Skip installation of http server.  Cannot use in combination with --install-http or -h"
+        exit 0
+    fi
+}
+displayhelp
 # Get Username
 uname=$(whoami)
 admintoken=$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c16)
@@ -93,6 +126,7 @@ else
 fi
 
 # Choice for DNS or IP
+if [[ -z "$resolveip" && -z "$resolvedns" ]]; then
     PS3='Choose your preferred option, IP or DNS/Domain:'
     WAN=("IP" "DNS/Domain")
     select WANOPT in "${WAN[@]}"; do
@@ -115,6 +149,18 @@ break
     *) echo "invalid option $REPLY";;
     esac
     done
+elif [[ ! -z "$resolveip" && ! -z "$resolvedns" ]]; then
+    echo -e "\nERROR: You cannot use both --resolveip & --resolvedns options simultaneously"
+    exit 1
+elif [[ ! -z "$resolveip" && -z "$resolvedns" ]]; then
+    wanip=$(dig @resolver4.opendns.com myip.opendns.com +short)
+elif [[ -z "$resolveip" && ! -z "$resolvedns" ]]; then
+    wanip="$resolvedns"
+    if ! [[ $wanip =~ ^[a-zA-Z0-9]+([a-zA-Z0-9.-]*[a-zA-Z0-9]+)?$ ]]; then
+        echo -e "${RED}Invalid domain/dns address${NC}"
+        exit 1
+    fi
+fi
 
 # Make Folder /opt/rustdesk/
 if [ ! -d "/opt/rustdesk" ]; then
@@ -225,14 +271,7 @@ rm rustdesk-server-linux-arm64v8.zip
 rm -rf arm64v8
 fi
 
-
+function setuphttp () {
-# Choice for Extras installed
-PS3='Please choose if you want to download configs and install HTTP server:'
-EXTRA=("Yes" "No")
-select EXTRAOPT in "${EXTRA[@]}"; do
-case $EXTRAOPT in
-"Yes")
-
     # Create windows install script
     wget https://raw.githubusercontent.com/dinger1986/rustdeskinstall/master/WindowsAgentAIOInstall.ps1
     sudo sed -i "s|wanipreg|${wanip}|g" WindowsAgentAIOInstall.ps1
@@ -318,7 +357,7 @@ echo -e "Your public key is ${key}"
     echo -e "Install Rustdesk on your machines and change your public key and IP/DNS name to the above"
     echo -e "You can access your install scripts for clients by going to http://${wanip}:8000"
     echo -e "Username is admin and password is ${admintoken}"
-
+    if [[ -z "$http" ]]; then
         echo "Press any key to finish install"
         while [ true ] ; do
         read -t 3 -n 1
@@ -329,8 +368,19 @@ echo "waiting for the keypress"
         fi
         done
         break
-;;
+    fi
+}
 
+# Choice for Extras installed
+if [[ -z "$http" ]]; then
+    PS3='Please choose if you want to download configs and install HTTP server:'
+    EXTRA=("Yes" "No")
+    select EXTRAOPT in "${EXTRA[@]}"; do
+    case $EXTRAOPT in
+    "Yes")
+    setuphttp
+    break
+    ;;
     "No")
     echo -e "Your IP/DNS Address is ${wanip}"
     echo -e "Your public key is ${key}"
@@ -350,3 +400,10 @@ break
     *) echo "invalid option $REPLY";;
     esac
     done
+elif [ "$http" = "true" ]; then
+    setuphttp
+elif [ "$http" = "false" ]; then
+    echo -e "Your IP/DNS Address is ${wanip}"
+    echo -e "Your public key is ${key}"
+    echo -e "Install Rustdesk on your machines and change your public key and IP/DNS name to the above"
+fi