Add partial Linux ARM support (armhf)

.github/workflows/build.yml

@@ -36,10 +36,10 @@ jobs:
           mv ./exclude/lib/* ./resources/lib
           mv ./exclude/tools/* ./resources/tools
           mv ./resources/tools/*macos* ./exclude/tools
+          mv ./resources/libimobiledevice_macos ./exclude
 
       - name: Download and extract libimobiledevice_linux
         run: |
-          mv ./resources/libimobiledevice_macos ./exclude
           curl -LO https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/libimobiledevice_linux.zip
           mkdir ./resources/libimobiledevice_linux
           unzip libimobiledevice_linux.zip -d ./resources/libimobiledevice_linux
@@ -49,16 +49,30 @@ jobs:
         run: zip -r ${{ github.event.repository.name }}_linux_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip resources/ restore.sh README.md
 
       - name: Move linux binaries and other files
+        run: |
+          mv ./resources/tools/*linux* ./exclude/tools
+          mv ./resources/libimobiledevice_linux ./exclude
+
+      - name: Download and extract tools_linux_arm
+        run: |
+          curl -LO https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/tools_linux_arm.zip
+          unzip tools_linux_arm.zip -d ./resources
+
+      - name: Zip linux arm files
+        run: zip -r ${{ github.event.repository.name }}_linux_arm_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip resources/ restore.sh README.md
+
+      - name: Move linux arm binaries and other files
         run: |
           mv ./resources/lib/* ./exclude/lib
           mv ./resources/tools/*linux* ./exclude/tools
+          mv ./resources/libimobiledevice_linux/* ./exclude/libimobiledevice_linux
+          rm -r ./resources/libimobiledevice_linux
           mv ./resources/firmware/FirmwareBundles ./resources/firmware/JailbreakBundles ./exclude/firmware
           mkdir ./resources/firmware/FirmwareBundles
           mv ./exclude/firmware/FirmwareBundles/Down_iPhone3* ./resources/firmware/FirmwareBundles
 
       - name: Download and extract libimobiledevice_win
         run: |
-          mv ./resources/libimobiledevice_linux ./exclude
           curl -LO https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/libimobiledevice_win.zip
           mkdir ./resources/libimobiledevice_win
           unzip libimobiledevice_win.zip -d ./resources/libimobiledevice_win
@@ -66,7 +80,7 @@ jobs:
       - name: Download and extract tools_win
         run: |
           curl -LO https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/tools_win.zip
-          unzip tools_win.zip -d ./resources
+          unzip -o tools_win.zip -d ./resources
 
       - name: Zip win files
         run: zip -r ${{ github.event.repository.name }}_win_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip resources/ restore.cmd restore.sh README.md
@@ -90,4 +104,5 @@ jobs:
             ${{ github.event.repository.name }}_complete_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
             ${{ github.event.repository.name }}_macos_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
             ${{ github.event.repository.name }}_linux_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
+            ${{ github.event.repository.name }}_linux_arm_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
             ${{ github.event.repository.name }}_win_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip

resources/depends.sh

@@ -93,6 +93,22 @@ SetToolPaths() {
         ipwndfu="$python2 ipwndfu"
         rmsigchks="$python2 rmsigchks.py"
         SimpleHTTPServer="$python -m http.server 8888"
+        if [[ $(uname -m) == "a"* && $(getconf LONG_BIT) != 64 ]]; then
+            # these still need sudo even with the udev rule for some reason
+            idevicerestore="sudo ${idevicerestore}_arm"
+            idevicererestore="sudo ${idevicererestore}_arm"
+            irecovery="sudo ${irecovery}_arm"
+            pwnedDFU="sudo ${pwnedDFU}_arm"
+
+            ideviceenterrecovery="${ideviceenterrecovery}_arm"
+            ideviceinfo="${ideviceinfo}_arm"
+            iproxy="${iproxy}_arm"
+            ipsw="${ipsw}_arm"
+            partialzip="${partialzip}_arm"
+            powdersn0w="${powdersn0w}_arm"
+            tsschecker="${tsschecker}_arm"
+            xpwntool="${xpwntool}_arm"
+        fi
 
     elif [[ $platform == "macos" ]]; then
         sha1sum="$(which shasum)"
@@ -189,12 +205,12 @@ InstallDepends() {
         Echo "* Arch Linux repos do not ship python2, which is needed for ipwndfu"
         Echo "* If you need to use ipwndfu, python2 can be installed from the AUR"
         sudo pacman -Sy --noconfirm --needed base-devel bsdiff curl libimobiledevice openssh python udev unzip usbmuxd usbutils vim xmlstarlet zenity zip
-   
+
     elif [[ $ID == "gentoo" || $ID_LIKE == "gentoo" || $ID == "pentoo" ]]; then
         Echo "* Gentoo repos do not ship python2, which is needed for ipwndfu"
         Echo "* If you need to use ipwndfu, python2 can be installed from the official site"
         sudo emerge -av bsdiff net-misc/curl libimobiledevice openssh python udev unzip usbmuxd usbutils vim xmlstarlet zenity zip
-    
+
     elif [[ -n $UBUNTU_CODENAME && $VERSION_ID == "2"* ]] ||
          (( DebianVer >= 11 )) || [[ $DebianVer == "sid" ]]; then
         [[ -n $UBUNTU_CODENAME ]] && sudo add-apt-repository -y universe
@@ -250,9 +266,14 @@ InstallDepends() {
     elif [[ $MPath != "./resources"* ]]; then
         mkdir ../resources/libimobiledevice_$platform
     fi
-    touch ../resources/first_run
 
-    cd ..
+    if [[ $platform == "linux" && $(uname -m) == "a"* && ! $(ls ../resources/tools/*linux_arm*) ]]; then
+        SaveFile https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/tools_linux_arm.zip tools_linux_arm.zip b95b2bc1589ff1fe1e16ab7ac43e9d88d9880296
+        Log "Extracting Linux ARM tools..."
+        unzip -oq tools_linux_arm.zip -d ../resources
+    fi
+
+    touch ../resources/first_run
     Log "Install script done! Please run the script again to proceed"
     Log "If your iOS device is plugged in, unplug and replug your device"
     ExitWin 0

resources/downgrade.sh

@@ -142,7 +142,7 @@ iDeviceRestore() {
         ExtraArgs="-e"
     elif [[ $Baseband == 0 ]]; then
         Log "Device $ProductType has no baseband/disabled baseband update"
-    elif [[ $platform == "win" && $ProductType != "iPhone3"* ]]; then
+    elif [[ $platform == "win" || $LinuxARM == 1 ]] && [[ $ProductType != "iPhone3"* ]]; then
         ExtraArgs="-r"
         idevicerestore="$idevicererestore"
         re="re"
@@ -258,7 +258,7 @@ Downgrade() {
         IPSWCustomA7
     fi
 
-    if [[ $platform == "win" || $IPSWA7 == 1 ]]; then
+    if [[ $platform == "win" || $LinuxARM == 1 || $IPSWA7 == 1 ]]; then
         DowngradeOTAWin
         return
     elif [[ $OSVer == "Other" ]]; then

resources/ipsw.sh

@@ -22,7 +22,7 @@ JailbreakSet() {
          [[ $OSVer == "8.4.1" ]] && JBDaibutsu=1
     fi
 
-    [[ $platform == "win" ]] && IPSWCustom+="JB"
+    [[ $platform == "win" || $LinuxARM == 1 ]] && IPSWCustom+="JB"
     if [[ $JBDaibutsu == 1 ]]; then
         JBName="daibutsu"
         IPSWCustom+="D"
@@ -82,7 +82,7 @@ JailbreakOption() {
         fi
         Baseband=0
         IPSWCustom+="B"
-        if [[ $platform != "win" && $Jailbreak != 1 ]]; then
+        if [[ $platform != "win" && $LinuxARM != 1 && $Jailbreak != 1 ]]; then
             IPSWCustom+="N"
         fi
     fi
@@ -235,7 +235,7 @@ IPSW32() {
         #JailbreakFiles $JBURL/sshdeb.tar sshdeb.tar 0bffece0f8fd939c479159b57e923dd8c06191d3 # uncomment to add openssh to custom ipsw
     fi
     [[ $ProductType == "$DisableBBUpdate" ]] && BBUpdate=
-    [[ $platform == "win" ]] && WinBundles="windows/"
+    [[ $platform == "win" || $LinuxARM == 1 ]] && WinBundles="windows/"
 
     if [[ ! -e $IPSWCustom.ipsw ]]; then
         Log "Preparing custom IPSW..."

restore.sh

@@ -139,6 +139,14 @@ Main() {
     
     if [[ $platform == "macos" && $(uname -m) != "x86_64" ]]; then
         Log "Apple Silicon Mac detected. Support may be limited, proceed at your own risk."
+    elif [[ $platform == "linux" && $(uname -m) == "a"* ]]; then
+        Log "Linux ARM detected. Support may be limited, proceed at your own risk."
+        Echo "* Note that only 32-bit (armhf) is compiled natively for now. For 64-bit, box64 might work."
+        if [[ $(getconf LONG_BIT) != 64 ]]; then
+            LinuxARM=1
+            Echo "* 32-bit Linux ARM support is also very limited."
+        fi
+
     elif [[ $(uname -m) != "x86_64" ]]; then
         Error "Only 64-bit (x86_64) distributions are supported."
     fi
@@ -146,10 +154,6 @@ Main() {
     if [[ $1 == "Install" || -z $bspatch || ! -e $ideviceinfo || ! -e $irecoverychk ||
           ! -e $ideviceenterrecovery || ! -e $iproxy || -z $python ||
           ! -e ./resources/first_run ]]; then
-        if [[ ! -e $ideviceinfo || ! -e $irecoverychk ||
-              ! -e $ideviceenterrecovery || ! -e $iproxy ]]; then
-            rm -rf ./resources/libimobiledevice_$platform
-        fi
         Clean
         InstallDepends
     fi
@@ -173,7 +177,7 @@ Main() {
         if [[ $DeviceProc != 7 ]]; then
             Selection+=("Create Custom IPSW")
             [[ $DeviceState == "Normal" ]] && Selection+=("Put Device in kDFU Mode")
-            [[ $DeviceProc != 4 && $platform != "win" ]] && Selection+=("Restore to latest iOS")
+            [[ $DeviceProc != 4 && $platform != "win" && $LinuxARM != 1 ]] && Selection+=("Restore to latest iOS")
         fi
 
         Selection+=("(Re-)Install Dependencies" "(Any other key to exit)")
@@ -205,7 +209,7 @@ Main() {
             Log "Found existing Custom IPSW, stopping here."
             Echo "* If you want to re-create the custom IPSW, move/delete the existing one first."
             ExitWin 0
-        elif [[ $Jailbreak != 1 && $platform != "win" ]]; then
+        elif [[ $Jailbreak != 1 && $platform != "win" && $LinuxARM != 1 ]]; then
             if [[ $DeviceProc == 4 && $OSVer == "7.1.2" ]]; then
                 Log "Creating custom IPSW is not needed for non-jailbroken 7.1.2 restores."
                 ExitWin 0
@@ -225,7 +229,7 @@ Main() {
         Log "Custom IPSW has been created: $IPSWCustom.ipsw"
         [[ $Jailbreak == 1 ]] && Echo "* This custom IPSW has a jailbreak built in ($JBName)"
         Echo "* Run the script again and select Downgrade Device to use the custom IPSW."
-        if [[ $DeviceProc != 4 && $platform != "win" ]]; then
+        if [[ $DeviceProc != 4 && $platform != "win" && $LinuxARM != 1 ]]; then
             Echo "* You may also use futurerestore manually (make sure to use the latest beta)"
         fi
         ExitWin 0
@@ -235,7 +239,9 @@ Main() {
         ExitWin 0
     fi
 
-    if [[ $DeviceProc == 7 && $platform == "win" ]]; then
+    if [[ $DeviceProc == 7 && $LinuxARM == 1 ]]; then
+        Error "Restoring A7 devices is not supported on Linux ARM 32-bit."
+    elif [[ $DeviceProc == 7 && $platform == "win" ]]; then
         local Message="If you want to restore your A7 device on Windows, put the device in pwnDFU mode."
         if [[ $DeviceState == "Normal" ]]; then
             Error "$Message"
@@ -354,7 +360,7 @@ SelectVersion() {
                 Echo "* iOS 4.3.x downgrades are supported on Linux only"
                 Echo "* For macOS users, use cherryflowerJB instead"
             fi
-            if [[ $platform != "win" ]]; then
+            if [[ $platform != "win" && $LinuxARM != 1 ]]; then
                 Selection+=("4.3.5")
                 Selection2+=("4.3.3" "4.3")
             fi
@@ -383,7 +389,7 @@ SelectVersion() {
         fi
     fi
 
-    if [[ $platform != "win" && $Mode == "Downgrade"* ]]; then
+    if [[ $platform != "win" && $LinuxARM != 1 && $Mode == "Downgrade"* ]]; then
         Selection+=("Other (use SHSH blobs)")
     fi
     Selection+=("(Any other key to exit)")