Add NoDevice mode and fix some errors

perform operations without an iOS device connected (create custom IPSW for 32-bit devices, and saving OTA blobs)

resources/depends.sh

@@ -2,7 +2,7 @@
 
 SetToolPaths() {
     local Detect="Detected libimobiledevice and libirecovery installed from "
-    local MPath="./resources/libimobiledevice_"
+    MPath="./resources/libimobiledevice_"
 
     if [[ $OSTYPE == "linux"* ]]; then
         . /etc/os-release 2>/dev/null

resources/device.sh

@@ -37,10 +37,13 @@ GetDeviceValues() {
     Log "Finding device in Normal mode..."
     DeviceState=
     ideviceinfo2=$($ideviceinfo -s)
-    if [[ $? != 0 ]]; then
+    if [[ $? != 0 && $1 != "NoDevice" ]]; then
         Log "Finding device in DFU/recovery mode..."
         [[ $platform == "linux" ]] && Echo "* Enter root password of your PC when prompted"
         DeviceState="$($irecovery -q 2>/dev/null | grep -w "MODE" | cut -c 7-)"
+    elif [[ $1 == "NoDevice" ]]; then
+        Log "NoDevice argument detected. Skipping device detection"
+        DeviceState="NoDevice"
     elif [[ ! -z $ideviceinfo2 ]]; then
         DeviceState="Normal"
     fi
@@ -50,16 +53,9 @@ GetDeviceValues() {
         ProductType=$($irecovery -qv 2>&1 | grep "Connected to iP" | cut -c 14-)
         [[ $(echo $ProductType | cut -c 3) == 'h' ]] && ProdCut=9
         ProductType=$(echo $ProductType | cut -c -$ProdCut)
-        if [[ ! $ProductType ]]; then
-            read -p "$(Input 'Enter ProductType (eg. iPad2,1):')" ProductType
-        fi
-
         UniqueChipID=$((16#$(echo $($irecovery -q | grep "ECID" | cut -c 7-) | cut -c 3-)))
-        if [[ ! $UniqueChipID || $UniqueChipID == 0 ]]; then
-            read -p "$(Input 'Enter UniqueChipID (ECID, must be decimal):')" UniqueChipID
-        fi
         ProductVer="Unknown"
-    else
+    elif [[ $DeviceState == "Normal" ]]; then
         ProductType=$(echo "$ideviceinfo2" | grep "ProductType" | cut -c 14-)
         [[ ! $ProductType ]] && ProductType=$($ideviceinfo | grep "ProductType" | cut -c 14-)
         ProductVer=$(echo "$ideviceinfo2" | grep "ProductVer" | cut -c 17-)
@@ -67,13 +63,21 @@ GetDeviceValues() {
         UniqueDeviceID=$(echo "$ideviceinfo2" | grep "UniqueDeviceID" | cut -c 17-)
         version="(iOS $ProductVer) "
     fi
-    
+
     if [[ ! $DeviceState ]]; then
         echo -e "\n${Color_R}[Error] No device detected. Please put the device in normal mode before proceeding. ${Color_N}"
         echo "${Color_Y}* Make sure to also trust this computer by selecting \"Trust\" at the pop-up. ${Color_N}"
         echo "${Color_Y}* For macOS users, double-check if the device is being detected by iTunes/Finder. ${Color_N}"
         echo "${Color_Y}* Recovery or DFU mode is also applicable. For more details regarding alternative methods, read the \"Troubleshooting\" wiki page in GitHub ${Color_N}"
+        echo "${Color_Y}* To perform operations without an iOS device connected, add NoDevice as an argument. Example: ./restore.sh NoDevice ${Color_N}"
         exit 1
+    elif [[ ! -z $DeviceState ]]; then
+        if [[ ! $ProductType ]]; then
+            read -p "$(Input 'Enter ProductType (eg. iPad2,1):')" ProductType
+        fi
+        if [[ ! $UniqueChipID || $UniqueChipID == 0 ]]; then
+            read -p "$(Input 'Enter UniqueChipID (ECID, must be decimal):')" UniqueChipID
+        fi
     fi
     
     Firmware=resources/firmware/$ProductType

restore.sh

@@ -44,6 +44,7 @@ Log() {
 }
 
 Main() {
+    local Selection=()
     local SkipMainMenu
     
     clear
@@ -71,7 +72,7 @@ Main() {
     
     chmod +x ./resources/*.sh ./resources/tools/*
     if [[ $? != 0 ]]; then
-        Log "Warning - An error occurred in chmod. This might cause problems..."
+        Error "A problem with file permissions has been detected, cannot proceed."
     fi
     
     Log "Checking Internet connection..."
@@ -93,19 +94,25 @@ Main() {
     
     SaveExternal LukeZGD ipwndfu
 
-    GetDeviceValues
+    GetDeviceValues $1
     
     Clean
     mkdir tmp
     
     [[ ! -z $1 ]] && SkipMainMenu=1
 
-    if [[ $SkipMainMenu == 1 && $1 != "NoColor" ]]; then
+    if [[ $SkipMainMenu == 1 && $1 != "NoColor" && $1 != "NoDevice" ]]; then
         Mode="$1"
     else
-        Selection=("Downgrade Device" "Save OTA Blobs")
+        if [[ $1 != "NoDevice" ]]; then
+            Selection+=("Downgrade Device")
+        fi
+        Selection+=("Save OTA Blobs")
+        if [[ $DeviceProc != 7 ]] && [[ $DeviceState == "Normal" || $1 == "NoDevice" ]]; then
+            Selection+=("Create Custom IPSW")
+        fi
         if [[ $DeviceProc != 7 && $DeviceState == "Normal" ]]; then
-            Selection+=("Create Custom IPSW" "Put Device in kDFU Mode")
+            Selection+=("Put Device in kDFU Mode")
         fi
         Selection+=("(Re-)Install Dependencies" "(Any other key to exit)")
         Echo "*** Main Menu ***"