mirror of
https://github.com/LukeZGD/Legacy-iOS-Kit.git
synced 2024-11-23 16:39:17 +01:00
403 lines
15 KiB
Bash
Executable File
403 lines
15 KiB
Bash
Executable File
#!/bin/bash
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function BasebandDetect {
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Firmware=resources/firmware/$ProductType
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BasebandURL=$(cat $Firmware/13G37/url 2>/dev/null)
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if [ $ProductType == iPad2,2 ]; then
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BasebandURL=$(cat $Firmware/13G36/url)
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Baseband=ICE3_04.12.09_BOOT_02.13.Release.bbfw
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elif [ $ProductType == iPad2,3 ]; then
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Baseband=Phoenix-3.6.03.Release.bbfw
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elif [ $ProductType == iPad2,6 ] || [ $ProductType == iPad2,7 ]; then
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Baseband=Mav5-11.80.00.Release.bbfw
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elif [ $ProductType == iPad3,2 ] || [ $ProductType == iPad3,3 ]; then
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Baseband=Mav4-6.7.00.Release.bbfw
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elif [ $ProductType == iPhone4,1 ]; then
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Baseband=Trek-6.7.00.Release.bbfw
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elif [ $ProductType == iPad3,5 ] || [ $ProductType == iPad3,6 ] ||
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[ $ProductType == iPhone5,1 ] || [ $ProductType == iPhone5,2 ]; then
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BasebandURL=$(cat $Firmware/14G61/url)
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Baseband=Mav5-11.80.00.Release.bbfw
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else # For Wi-Fi only devices
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Baseband=0
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fi
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}
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function Clean {
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rm -rf iP*/ tmp/ $(ls ${UniqueChipID}_${ProductType}_${DowngradeVer}-*.shsh2 2>/dev/null) $(ls *.bbfw 2>/dev/null) BuildManifest.plist
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}
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function Log {
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echo "[Log] $1"
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}
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function Error {
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echo "[Error] $1"
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[[ ! -z $2 ]] && echo $2
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exit
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}
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function MainMenu {
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if [ $(lsusb | grep -c '1227') == 1 ]; then
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read -p "[Input] Device in DFU mode detected. Is the device in kDFU mode? (y/N) " kDFUManual
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if [[ $kDFUManual == y ]] || [[ $kDFUManual == Y ]]; then
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read -p "[Input] Enter ProductType (eg. iPad2,1): " ProductType
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read -p "[Input] Enter UniqueChipID (ECID): " UniqueChipID
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BasebandDetect
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Log "Downgrading device $ProductType in kDFU mode..."
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Mode='Downgrade'
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SelectVersion
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else
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Error "Please put the device in normal mode and jailbroken before proceeding"
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fi
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elif [ ! $ProductType ]; then
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Error "Please plug the device in and trust this computer before proceeding"
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fi
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BasebandDetect
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echo "Main Menu"
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echo
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echo "HardwareModel: ${HWModel}ap"
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echo "ProductType: $ProductType"
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echo "ProductVersion: $ProductVer"
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echo "UniqueChipID (ECID): $UniqueChipID"
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echo
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echo "[Input] Select an option:"
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select opt in "Downgrade device" "Save OTA blobs" "Just put device in kDFU mode" "(Re-)Install Dependencies" "Exit"; do
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case $opt in
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"Downgrade device" ) Mode='Downgrade'; break;;
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"Save OTA blobs" ) Mode='SaveOTABlobs'; break;;
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"Just put device in kDFU mode" ) Mode='kDFU'; break;;
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"(Re-)Install Dependencies" ) InstallDependencies;;
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"Exit" ) exit;;
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*) MainMenu;;
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esac
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done
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SelectVersion
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}
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function SelectVersion {
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Selection=("iOS 8.4.1")
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if [[ $Mode == 'kDFU' ]]; then
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Select841
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elif [ $ProductType == iPad2,1 ] || [ $ProductType == iPad2,2 ] ||
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[ $ProductType == iPad2,3 ] || [ $ProductType == iPhone4,1 ]; then
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Selection+=("iOS 6.1.3")
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fi
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[[ $Mode == 'Downgrade' ]] && Selection+=("Other")
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Selection+=("Back")
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echo "[Input] Select iOS version:"
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select opt in "${Selection[@]}"; do
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case $opt in
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"iOS 8.4.1" ) Select841; break;;
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"iOS 6.1.3" ) Select613; break;;
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"Other" ) SelectOther; break;;
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"Back" ) MainMenu; break;;
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*) SelectVersion;;
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esac
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done
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}
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function Select841 {
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echo "iOS 8.4.1 $Mode"
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iBSS="iBSS.$HWModel.RELEASE"
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DowngradeVer="8.4.1"
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DowngradeBuildVer="12H321"
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Action
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}
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function Select613 {
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echo "iOS 6.1.3 $Mode"
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iBSS="iBSS.${HWModel}ap.RELEASE"
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DowngradeVer="6.1.3"
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DowngradeBuildVer="10B329"
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Action
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}
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function SelectOther {
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echo "Other $Mode"
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iBSS="iBSS.$HWModel.RELEASE"
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DowngradeBuildVer="12H321"
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NotOTA=1
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read -p "[Input] Path to IPSW (drag IPSW to terminal window): " IPSW
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IPSW="$(basename "$IPSW" .ipsw)"
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read -p "[Input] Path to SHSH (drag SHSH to terminal window): " SHSH
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Action
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}
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function Action {
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Firmware=$Firmware/$DowngradeBuildVer
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IV=$(cat $Firmware/iv)
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Key=$(cat $Firmware/key)
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if [[ $Mode == 'Downgrade' ]]; then
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Downgrade
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elif [[ $Mode == 'SaveOTABlobs' ]]; then
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SaveOTABlobs
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elif [[ $Mode == 'kDFU' ]]; then
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kDFU
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fi
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exit
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}
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function SaveOTABlobs {
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BuildManifest="resources/manifests/BuildManifest_${ProductType}_${DowngradeVer}.plist"
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Log "Saving $DowngradeVer blobs with tsschecker..."
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env "LD_PRELOAD=libcurl.so.3" resources/tools/tsschecker_$platform -d $ProductType -i $DowngradeVer -o -s -e $UniqueChipID -m $BuildManifest
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SHSH=$(ls ${UniqueChipID}_${ProductType}_${DowngradeVer}-*.shsh2)
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[ ! -e "$SHSH" ] && Error "Saving $DowngradeVer blobs failed. Please run the script again" "It is also possible that $DowngradeVer for $ProductType is no longer signed"
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mkdir -p saved/shsh 2>/dev/null
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cp "$SHSH" saved/shsh
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Log "Successfully saved $DowngradeVer blobs."
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}
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function kDFU {
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if [ ! -e saved/$ProductType/$iBSS.dfu ]; then
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# Downloading 8.4.1 iBSS for "other" downgrades
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Log "Downloading iBSS..."
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resources/tools/pzb_$platform -g Firmware/dfu/${iBSS}.dfu -o $iBSS.dfu $(cat $Firmware/url)
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mkdir -p saved/$ProductType 2>/dev/null
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mv $iBSS.dfu saved/$ProductType
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fi
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Log "Decrypting iBSS..."
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Log "IV = $IV"
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Log "Key = $Key"
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resources/tools/xpwntool_$platform saved/$ProductType/$iBSS.dfu tmp/iBSS.dec -k $Key -iv $IV -decrypt
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dd bs=64 skip=1 if=tmp/iBSS.dec of=tmp/iBSS.dec2
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Log "Patching iBSS..."
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bspatch tmp/iBSS.dec2 tmp/pwnediBSS resources/patches/$iBSS.patch
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# Regular kloader only works on iOS 6 to 9, so other versions are provided for iOS 5 and 10
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if [[ $VersionDetect == 1 ]]; then
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kloader='kloader_hgsp'
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elif [[ $VersionDetect == 5 ]]; then
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kloader='kloader5'
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else
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kloader='kloader'
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fi
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if [[ $VersionDetect == 1 ]]; then
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# ifuse+MTerminal is used instead of SSH for devices on iOS 10
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[ ! $(which ifuse) ] && Error "ifuse not found. Please re-install dependencies and try again" "For macOS systems, install osxfuse and ifuse with brew"
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WifiAddr=$(ideviceinfo -s | grep 'WiFiAddress' | cut -c 14-)
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WifiAddrDecr=$(echo $(printf "%x\n" $(expr $(printf "%d\n" 0x$(echo "${WifiAddr}" | tr -d ':')) - 1)) | sed 's/\(..\)/\1:/g;s/:$//')
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echo '#!/bin/bash' > tmp/pwn.sh
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echo "nvram wifiaddr=$WifiAddrDecr
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chmod 755 kloader_hgsp
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./kloader_hgsp pwnediBSS" >> tmp/pwn.sh
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Log "Mounting device with ifuse..."
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mkdir mount
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ifuse mount
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Log "Copying stuff to device..."
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cp "tmp/pwn.sh" "resources/tools/$kloader" "tmp/pwnediBSS" "mount/"
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Log "Unmounting device..."
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sudo umount mount
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echo
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Log "Open MTerminal and run these commands:"
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echo
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echo '$ su'
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echo "(enter root password, default is 'alpine')"
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echo "# cd Media"
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echo "# chmod +x pwn.sh"
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echo "# ./pwn.sh"
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else
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# SSH kloader and pwnediBSS
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echo "Make sure SSH is installed and working on the device!"
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echo "Please enter Wi-Fi IP address of device for SSH connection"
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read -p "[Input] IP Address: " IPAddress
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Log "Coonecting to device via SSH... Please enter root password when prompted (default is 'alpine')"
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Log "Copying stuff to device..."
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scp resources/tools/$kloader tmp/pwnediBSS root@$IPAddress:/
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[ $? == 1 ] && Error "Cannot connect to device via SSH." "Please check your ~/.ssh/known_hosts file and try again"
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Log "Entering kDFU mode..."
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ssh root@$IPAddress "chmod 755 /$kloader && /$kloader /pwnediBSS" &
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fi
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echo
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echo "Press home/power button once when screen goes black on the device"
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FindDFU
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}
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function FindDFU {
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Log "Finding device in DFU mode..."
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while [[ $DFUDevice != 1 ]]; do
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DFUDevice=$(lsusb | grep -c "1227")
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sleep 2
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done
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Log "Found device in DFU mode."
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}
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function Downgrade {
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if [ ! $NotOTA ]; then
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SaveOTABlobs
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IPSW="${ProductType}_${DowngradeVer}_${DowngradeBuildVer}_Restore"
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if [ ! -e "$IPSW.ipsw" ]; then
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Log "iOS $DowngradeVer IPSW is missing, downloading IPSW..."
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curl -L $(cat $Firmware/url) -o tmp/$IPSW.ipsw
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mv tmp/$IPSW.ipsw .
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fi
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Log "Verifying IPSW..."
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SHA1IPSW=$(cat $Firmware/sha1sum)
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SHA1IPSWL=$(sha1sum "$IPSW.ipsw" | awk '{print $1}')
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[ $SHA1IPSW != $SHA1IPSWL ] && Error "SHA1 of IPSW does not match. Please run the script again"
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if [ ! $kDFUManual ]; then
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Log "Extracting iBSS from IPSW..."
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mkdir -p saved/$ProductType 2>/dev/null
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unzip -o -j "$IPSW.ipsw" Firmware/dfu/$iBSS.dfu -d saved/$ProductType
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fi
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fi
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[ ! $kDFUManual ] && kDFU
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Log "Extracting IPSW..."
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unzip -q "$IPSW.ipsw" -d "$IPSW/"
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Log "Preparing for futurerestore (starting local server)..."
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cd resources
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sudo bash -c "python3 -m http.server 80 &"
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cd ..
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if [ $Baseband == 0 ]; then
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Log "Device $ProductType has no baseband"
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Log "Proceeding to futurerestore..."
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sudo env "LD_PRELOAD=libcurl.so.3" resources/tools/futurerestore_$platform -t "$SHSH" --no-baseband --use-pwndfu "$IPSW.ipsw"
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else
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if [ ! -e saved/$ProductType/*.bbfw ]; then
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Log "Downloading baseband..."
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resources/tools/pzb_$platform -g Firmware/$Baseband -o $Baseband $BasebandURL
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resources/tools/pzb_$platform -g BuildManifest.plist -o BuildManifest.plist $BasebandURL
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mkdir -p saved/$ProductType 2>/dev/null
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cp $(ls *.bbfw) BuildManifest.plist saved/$ProductType
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else
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cp saved/$ProductType/*.bbfw saved/$ProductType/BuildManifest.plist .
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fi
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if [ ! -e *.bbfw ]; then
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echo "[Error] Downloading baseband failed!"
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echo "Your device is still in kDFU mode, you may run the script again"
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echo "If you continue, futurerestore can attempt to download the baseband again"
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read -p "[Input] Continue anyway? (y/N)" Continue
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if [[ $Continue == y ]] || [[ $Continue == Y ]]; then
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Log "Proceeding to futurerestore..."
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sudo env "LD_PRELOAD=libcurl.so.3" resources/tools/futurerestore_$platform -t "$SHSH" --latest-baseband --use-pwndfu "$IPSW.ipsw"
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else
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exit
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fi
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fi
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if [[ $Continue != y ]] && [[ $Continue != Y ]]; then
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Log "Proceeding to futurerestore..."
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sudo env "LD_PRELOAD=libcurl.so.3" resources/tools/futurerestore_$platform -t "$SHSH" -b $(ls *.bbfw) -p BuildManifest.plist --use-pwndfu "$IPSW.ipsw"
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fi
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fi
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echo
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Log "futurerestore done!"
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Log "Stopping local server..."
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ps aux | awk '/python3/ {print "sudo kill -9 "$2" 2>/dev/null"}' | bash
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Log "Downgrade script done!"
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}
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function InstallDependencies {
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echo "Install Dependencies"
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. /etc/os-release 2>/dev/null
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if [[ $(which pacman) ]]; then
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Arch
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elif [[ $VERSION_ID == "16.04" ]] || [[ $VERSION_ID == "18.04" ]] || [[ $VERSION_ID == "20.04" ]]; then
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Ubuntu
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elif [[ $OSTYPE == "darwin"* ]]; then
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macOS
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else
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Error "Distro not detected/supported by install script." "See the repo README for OS versions/distros tested on"
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fi
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Log "Install script done! Please run the script again to proceed"
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}
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function Arch {
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Log "Installing dependencies for Arch with pacman..."
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sudo pacman -Sy --noconfirm bsdiff curl ifuse libcurl-compat libpng12 libzip openssh openssl-1.0 python unzip usbutils
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sudo pacman -S --noconfirm libimobiledevice usbmuxd
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sudo ln -sf /usr/lib/libzip.so.5 /usr/lib/libzip.so.4
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}
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function macOS {
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if [[ ! $(which brew) ]]; then
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Log "Homebrew is not detected/installed, installing Homebrew..."
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/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
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fi
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Log "Installing dependencies for macOS with Homebrew..."
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brew uninstall --ignore-dependencies usbmuxd
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brew uninstall --ignore-dependencies libimobiledevice
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brew install --HEAD usbmuxd
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brew install --HEAD libimobiledevice
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brew install libzip lsusb python3
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brew cask install osxfuse
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brew install ifuse
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}
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function Ubuntu {
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Log "Running APT update..."
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sudo apt update
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Log "Installing dependencies for Ubuntu $VERSION_ID with APT..."
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sudo apt -y install bsdiff curl ifuse libimobiledevice-utils python3 usbmuxd
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if [[ $VERSION_ID != "16.04" ]]; then
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sudo apt -y install binutils
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mkdir tmp
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cd tmp
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curl -L http://archive.ubuntu.com/ubuntu/pool/universe/c/curl3/libcurl3_7.58.0-2ubuntu2_amd64.deb -o libcurl3.deb
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ar x libcurl3.deb data.tar.xz
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tar xf data.tar.xz
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sudo cp usr/lib/x86_64-linux-gnu/libcurl.so.4.* /usr/lib/libcurl.so.3
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if [[ $VERSION_ID == "20.04" ]]; then
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URLlibpng12=http://ppa.launchpad.net/linuxuprising/libpng12/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1.1+1~ppa0~focal_amd64.deb
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curl -L http://archive.ubuntu.com/ubuntu/pool/universe/libz/libzip/libzip4_1.1.2-1.1_amd64.deb -o libzip4.deb
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sudo dpkg -i libzip4.deb
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curl -L http://archive.ubuntu.com/ubuntu/pool/universe/o/openssl1.0/openssl1.0_1.0.2n-1ubuntu5.3_amd64.deb -o openssl1.0.deb
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sudo dpkg -i openssl1.0.deb
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else
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URLlibpng12=http://mirrors.edge.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1.1_amd64.deb
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sudo apt -y install libzip4
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fi
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curl -L $URLlibpng12 -o libpng12.deb
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sudo dpkg -i libpng12.deb
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else
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sudo apt -y install libzip4
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fi
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}
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# --- MAIN SCRIPT STARTS HERE ---
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trap 'Clean; exit' INT TERM EXIT
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clear
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echo "******* 32bit-OTA-Downgrader *******"
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echo " Downgrade script by LukeZGD "
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echo
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if [[ $OSTYPE == "linux-gnu" ]]; then
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platform='linux'
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elif [[ $OSTYPE == "darwin"* ]]; then
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platform='macos'
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else
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Error "OSTYPE unknown/not supported" "Supports Linux and macOS only"
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fi
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[[ ! $(ping -c1 google.com 2>/dev/null) ]] && Error "Please check your Internet connection before proceeding"
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[[ $(uname -m) != 'x86_64' ]] && Error "Only x86_64 distributions are supported. Use a 64-bit distro and try again"
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HWModel=$(ideviceinfo -s | grep 'HardwareModel' | cut -c 16- | tr '[:upper:]' '[:lower:]' | sed 's/.\{2\}$//')
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ProductType=$(ideviceinfo -s | grep 'ProductType' | cut -c 14-)
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[ ! $ProductType ] && ProductType=$(ideviceinfo | grep 'ProductType' | cut -c 14-)
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ProductVer=$(ideviceinfo -s | grep 'ProductVer' | cut -c 17-)
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VersionDetect=$(echo $ProductVer | cut -c 1)
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UniqueChipID=$(ideviceinfo -s | grep 'UniqueChipID' | cut -c 15-)
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if [ ! $(which bspatch) ] || [ ! $(which ideviceinfo) ] || [ ! $(which lsusb) ] || [ ! $(which ssh) ] || [ ! $(which python3) ]; then
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InstallDependencies
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else
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chmod +x resources/tools/*
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Clean
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mkdir tmp
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rm -rf resources/firmware
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curl -Ls https://github.com/LukeZGD/32bit-OTA-Downgrader/archive/firmware.zip -o tmp/firmware.zip
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unzip -q tmp/firmware.zip -d tmp
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mkdir resources/firmware
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mv tmp/32bit-OTA-Downgrader-firmware/* resources/firmware
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MainMenu
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fi
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