Add Windows support (#138)

- Tested on Windows 10 64-bit 1809, iTunes 12.10.something (I don't remember the specific version), and the latest MSYS2
- To run iOS-OTA-Downgrader on Windows, MSYS2 and iTunes are needed to be installed

README.md

@@ -1,7 +1,8 @@
 # iOS-OTA-Downgrader
 ### Downgrade/restore and jailbreak iOS devices to signed OTA firmwares
-- **Linux and macOS** are supported
-  - Windows users can create a Linux live USB (see Requirements)
+- **Linux, macOS, and Windows** are supported
+  - Windows support is limited. [MSYS2](https://www.msys2.org/#installation) and iTunes 64-bit are required. To run the script, click `restore.cmd`.
+  - Windows users can also create a Linux live USB (see Requirements)
 - iOS 8.4.1 and 6.1.3 downgrades have the option to **jailbreak** the install
   - For iOS 10.3.3, use [TotallyNotSpyware](https://totally-not.spyware.lol) or [sockH3lix](https://github.com/SongXiaoXi/sockH3lix) to jailbreak
 - **You do NOT need blobs to use this**, the script will get them for you
@@ -13,6 +14,8 @@
 - You can identify your device [here](https://ipsw.me/device-finder)
 - **iPhone 5C and iPad mini 3 devices are NOT supported** (OTA versions for them are not signed)
 - iPhone 5C can still be restored to versions that you have SHSH blobs for
+- **A7 devices are not supported on Windows.**
+- **Restoring to other versions with SHSH blobs is not supported on Windows.**
 
 <table>
     <thead>
@@ -70,6 +73,7 @@
 3. Open a Terminal window
 4. `cd` to where the extracted files are located, and run `./restore.sh`
     - You can also drag `restore.sh` to the Terminal window and press Enter/Return
+    - For Windows users, click `restore.cmd` to run the script
 5. Select options to be used
 6. Follow instructions
 
@@ -80,6 +84,7 @@
 - [**Debian**](https://www.debian.org/) 11 Bullseye, Testing and Unstable
 - [**openSUSE**](https://www.opensuse.org/) Tumbleweed and Leap 15.3
 - **macOS** 10.13 and newer
+- Windows 10 (8.1 and lower may also work but this is untested)
 
 ## Other notes:
 - **If something in the process does not work for you:** try unplugging/replugging the device, switching between different USB ports/cables, also try USB 2.0 ports

resources/depends.sh

@@ -41,6 +41,13 @@ SetToolPaths() {
         ipwndfu="$python ipwndfu"
         rmsigchks="$python rmsigchks.py"
         SimpleHTTPServer="$python -m SimpleHTTPServer 80"
+
+    elif [[ $OSTYPE == "msys" ]]; then
+        platform="win"
+        MPath+="$platform"
+        bspatch="./resources/tools/bspatch_win"
+        idevicerestore="./resources/tools/idevicerestore_win"
+        python=/
     fi
     git="$(which git)"
     ideviceenterrecovery="$MPath/ideviceenterrecovery"
@@ -152,6 +159,12 @@ InstallDepends() {
         Echo "* The script will detect this automatically and will use the Homebrew versions of the tools"
         Echo "* Install using this command: 'brew install libimobiledevice libirecovery'"
 
+    elif [[ $platform == "win" ]]; then
+        pacman -Sy --noconfirm --needed git openssh unzip
+        SaveFile https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/tools_win.zip tools_win.zip a7de26af8f2e94ebd44f5080d973c03035cf91f8
+        unzip tools_win.zip -d ../resources/tools
+        libimobiledevice=("https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/libimobiledevice_win.zip" "669dec0d0c257066f22a0664dcef2f58cebbcadf")
+
     else
         Error "Distro not detected/supported by the install script." "See the repo README for supported OS versions/distros"
     fi
@@ -173,5 +186,10 @@ InstallDepends() {
 
     cd ..
     Log "Install script done! Please run the script again to proceed"
+
+    if [[ $platform == "win" ]]; then
+        Input "Press Enter/Return to exit."
+        read -s
+    fi
     exit 0
 }

resources/device.sh

@@ -10,8 +10,11 @@ FindDevice() {
     
     Log "Finding device in $1 mode..."
     while (( $i < $Timeout )); do
-        [[ $platform == "linux" ]] && DeviceIn=$(lsusb | grep -c "05ac:$USB")
-        [[ $platform == "macos" && $($irecovery -q 2>/dev/null | grep -w "MODE" | cut -c 7-) == "$1" ]] && DeviceIn=1
+        if [[ $platform == "linux" ]]; then
+            DeviceIn=$(lsusb | grep -c "05ac:$USB")
+        else
+            [[ $($irecovery -q 2>/dev/null | grep -w "MODE" | cut -c 7-) == "$1" ]] && DeviceIn=1
+        fi
         if [[ $DeviceIn == 1 ]]; then
             Log "Found device in $1 mode."
             DeviceState="$1"
@@ -42,7 +45,7 @@ GetDeviceValues() {
 
     if [[ $DeviceState == "DFU" || $DeviceState == "Recovery" ]]; then
         local ProdCut=7
-        ProductType=$($irecovery -qv 2>&1 | grep "iP" | cut -c 14-)
+        ProductType=$($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
@@ -286,7 +289,7 @@ kDFU() {
     Echo "* The default password is \"alpine\""
     $SCP -P 2222 resources/tools/$kloader tmp/pwnediBSS root@127.0.0.1:/tmp
     if [[ $? == 0 ]]; then
-        $SSH -p 2222 root@127.0.0.1 "/tmp/$kloader /tmp/pwnediBSS" &
+        $SSH -p 2222 root@127.0.0.1 "chmod +x /tmp/$kloader; /tmp/$kloader /tmp/pwnediBSS" &
     else
         Log "Cannot connect to device via USB SSH."
         Echo "* Please try the steps above to make sure that SSH is successful"

resources/downgrade.sh

@@ -121,7 +121,10 @@ Downgrade() {
     
         IPSW="${IPSWType}_${OSVer}_${BuildVer}_Restore"
         IPSWCustom="${IPSWType}_${OSVer}_${BuildVer}_Custom"
-        if [[ $Jailbreak != 1 && $DeviceProc != 7 ]]; then
+        if [[ $Jailbreak != 1 && $platform == "win" ]]; then
+            IPSWCustom="${IPSWCustom}W"
+            IPSWCustomW=1
+        elif [[ $Jailbreak != 1 && $DeviceProc != 7 ]]; then
             Selection=("futurerestore" "idevicerestore")
             Echo "* Select 1 (futurerestore) if unsure"
             Echo "* Select 2 (idevicerestore) if you experience issues with futurerestore"

resources/ipsw.sh

@@ -70,12 +70,14 @@ IPSW32() {
     ExtraArgs+="-bbupdate"
 
     if [[ ! -e $IPSWCustom.ipsw ]]; then
+        if [[ $platform != "win" ]]; then
             Echo "* By default, memory option is set to Y."
             Echo "* Make sure that you have at least 8GB of RAM for it to work!"
             Echo "* If it freezes or fails, this may mean that you do not have enough RAM."
             Echo "* You may select N if this happens, but make sure that you have enough storage space."
             read -p "$(Input 'Memory option? (press Enter/Return if unsure) (Y/n):')" JBMemory
             [[ $JBMemory != 'N' && $JBMemory != 'n' ]] && ExtraArgs+=" -memory"
+        fi
         Log "Preparing custom IPSW..."
         cd resources
         rm -rf FirmwareBundles

restore.cmd

@@ -0,0 +1,2 @@
+@echo off
+C:\msys64\msys2.exe "./restore.sh"

restore.sh

@@ -40,6 +40,10 @@ Error() {
     echo -e "\n${Color_R}[Error] $1 ${Color_N}"
     [[ ! -z $2 ]] && echo "${Color_R}* $2 ${Color_N}"
     echo
+    if [[ $platform == "win" ]]; then
+        Input "Press Enter/Return to exit."
+        read -s
+    fi
     exit 1
 }
 
@@ -103,6 +107,9 @@ Main() {
     mkdir tmp
     
     if [[ $DeviceProc == 7 ]]; then
+        if [[ $platform == "win" ]]; then
+            Error "A7 devices are not supported in Windows."
+        fi
         if [[ $DeviceState == "Normal" ]]; then
             Echo "* The device needs to be in recovery/DFU mode before proceeding."
             read -p "$(Input 'Send device to recovery mode? (y/N):')" Selection
@@ -183,6 +190,11 @@ Main() {
     
     Log "Option: $Mode"
     $Mode
+
+    if [[ $platform == "win" ]]; then
+        Input "Press Enter/Return to exit."
+        read -s
+    fi
     exit 0
 }
 
@@ -206,7 +218,7 @@ SelectVersion() {
         Selection+=("iOS 6.1.3")
     fi
     
-    [[ $Mode == "Downgrade" ]] && Selection+=("Other (use SHSH blobs)")
+    [[ $Mode == "Downgrade" && $platform != "win" ]] && Selection+=("Other (use SHSH blobs)")
     Selection+=("(Any other key to exit)")
     
     Input "Select iOS version:"