Legacy-iOS-Kit/restore.sh

#!/usr/bin/env bash

device_disable_bbupdate="iPad2,3" # Disable baseband update for this device. You can also change this to your device if needed.
ipsw_openssh=1 # OpenSSH will be added to custom IPSW if set to 1. (may not work on 8.4.1 etason)
device_ramdisk_build="" # You can change the version of SSH Ramdisk and Pwned iBSS/iBEC here. (default is 10B329 for most devices)

print() {
    echo "${color_B}${1}${color_N}"
}

input() {
    echo "${color_Y}[Input] ${1}${color_N}"
}

log() {
    echo "${color_G}[Log] ${1}${color_N}"
}

warn() {
    echo "${color_Y}[WARNING] ${1}${color_N}"
}

error() {
    echo -e "${color_R}[Error] ${1}\n${color_Y}${*:2}${color_N}"
    exit 1
}

pause() {
    input "Press Enter/Return to continue (or press Ctrl+C to cancel)"
    read -s
}

clean() {
    rm -rf "$(dirname "$0")/tmp/"* "$(dirname "$0")/iP"*/ "$(dirname "$0")/tmp/"
    if [[ $device_sudoloop == 1 ]]; then
        sudo rm -rf /tmp/futurerestore /tmp/*.json "$(dirname "$0")/tmp/"* "$(dirname "$0")/iP"*/ "$(dirname "$0")/tmp/"
        sudo systemctl restart usbmuxd
    fi
}

clean_and_exit() {
    if [[ $platform == "windows" ]]; then
        input "Press Enter/Return to exit."
        read -s
    fi
    kill $httpserver_pid $iproxy_pid $sudoloop_pid $usbmuxd_pid 2>/dev/null
    clean
}

bash_version=$(/usr/bin/env bash -c 'echo ${BASH_VERSINFO[0]}')
if (( bash_version < 5 )); then
    error "Your bash version ($bash_version) is too old. Install a newer version of bash to continue." \
    "* For macOS users, install bash, libimobiledevice, and libirecovery from Homebrew or MacPorts" \
    $'\n* For Homebrew: brew install bash libimobiledevice libirecovery' \
    $'\n* For MacPorts: sudo port install bash libimobiledevice libirecovery'
fi

display_help() {
    echo ' *** Legacy iOS Kit ***
  - Script by LukeZGD -

Usage: ./restore.sh [Options]

List of options:
    --debug                   For script debugging (set -x and debug mode)
    --disable-bbupdate        Disable baseband update
    --entry-device            Enable manual device and ECID entry
    --help                    Display this help message
    --no-color                Disable colors for script output
    --no-device               Enable no device mode
    --no-version-check        Disable script version checking

For devices compatible with powdersn0w and OTA restores (see README):
    --ipsw-verbose            Enable verbose boot option (powdersn0w only)
    --jailbreak               Enable jailbreak option
    --memory                  Enable memory option for creating IPSW

    * Default IPSW path: <script location>/name_of_ipswfile.ipsw
    * Default SHSH path: <script location>/saved/shsh/name_of_blobfile.shsh(2)
    '
}

set_tool_paths() {
    : '
    sets variables: platform, platform_ver, dir
    also checks architecture (linux) and macos version
    also set distro, debian_ver, ubuntu_ver, fedora_ver variables for linux

    list of tools set here:
    bspatch, jq, ping, scp, ssh, sha1sum (for macos: shasum -a 1), sha256sum (for macos: shasum -a 256), zenity

    these ones "need" sudo for linux arm, not for others:
    futurerestore, gaster, idevicerestore, idevicererestore, ipwnder, irecovery

    tools set here will be executed using:
    $name_of_tool

    the rest of the tools not listed here will be executed using:
    "$dir/$name_of_tool"
    '

    if [[ $OSTYPE == "linux"* ]]; then
        . /etc/os-release
        platform="linux"
        platform_ver="$PRETTY_NAME"
        dir="../bin/linux/"

        # architecture check
        if [[ $(uname -m) == "a"* && $(getconf LONG_BIT) == 64 ]]; then
            dir+="arm64"
        elif [[ $(uname -m) == "a"* ]]; then
            dir+="armhf"
        elif [[ $(uname -m) == "x86_64" ]]; then
            dir+="x86_64"
        else
            error "Your architecture ($(uname -m)) is not supported."
        fi

        # version check
        if [[ -e /etc/debian_version ]]; then
            debian_ver=$(cat /etc/debian_version)
            if [[ $debian_ver == *"sid" ]]; then
                debian_ver="sid"
            else
                debian_ver="$(echo "$debian_ver" | cut -c -2)"
            fi
        fi
        if [[ -n $UBUNTU_CODENAME ]]; then
            ubuntu_ver="$(echo "$VERSION_ID" | cut -c -2)"
        fi
        if [[ $ID == "fedora" || $ID == "nobara" ]]; then
            fedora_ver=$VERSION_ID
        fi

        # distro check
        if [[ $ID == "arch" || $ID_LIKE == "arch" || $ID == "artix" ]]; then
            distro="arch"
        elif (( ubuntu_ver >= 22 )) || (( debian_ver >= 12 )) || [[ $debian_ver == "sid" ]]; then
            distro="debian"
        elif (( fedora_ver >= 36 )); then
            distro="fedora"
        elif [[ $ID == "opensuse-tumbleweed" ]]; then
            distro="opensuse"
        else
            error "Your distro ($platform_ver) is not detected/supported. See the repo README for supported OS versions/distros"
        fi

        jq="$(which jq)"
        ping="ping -c1"
        zenity="$(which zenity)"

        # live cd/usb check
        if [[ $(id -u $USER) == 999 || $USER == "liveuser" ]]; then
            live_cdusb=1
            live_cdusb_r="Live"
            log "Linux Live CD/USB detected."
            if [[ $(pwd) == "/home"* ]]; then
                df . -h
                if [[ $(lsblk -o label | grep -c "casper-rw") == 1 || $(lsblk -o label | grep -c "persistence") == 1 ]]; then
                    log "Detected Legacy iOS Kit running on persistent storage."
                    live_cdusb_r="Live - Persistent storage"
                else
                    warn "Detected Legacy iOS Kit running on temporary storage."
                    print "* You may run out of space and get errors during the downgrade process."
                    print "* Please move Legacy iOS Kit to an external drive that is NOT used for the live USB."
                    print "* This means using another external HDD/flash drive to store Legacy iOS Kit on."
                    print "* To be able to use one USB drive only, make sure to enable Persistent Storage for the live USB."
                    pause
                    live_cdusb_r="Live - Temporary storage"
                fi
            fi
        fi

        device_sudoloop=1 # Run some tools as root for device detection if set to 1. (for Linux)
        # sudoloop check
        if [[ $(uname -m) == "x86_64" && -e ../resources/sudoloop && $device_sudoloop != 1 ]]; then
            local opt
            log "Previous run failed to detect iOS device."
            print "* You may enable sudoloop mode, which will run some tools as root."
            read -p "$(input 'Enable sudoloop mode? (y/N) ')" opt
            if [[ $opt == 'Y' || $opt == 'y' ]]; then
                device_sudoloop=1
            fi
        fi
        if [[ $(uname -m) == "a"* || $device_sudoloop == 1 || $live_cdusb == 1 ]]; then
            if [[ $live_cdusb != 1 ]]; then
                print "* Enter your user password when prompted"
            fi
            sudo -v
            (while true; do sudo -v; sleep 60; done) &
            sudoloop_pid=$!
            futurerestore="sudo "
            gaster="sudo "
            idevicerestore="sudo "
            idevicererestore="sudo "
            ipwnder="sudo "
            irecovery="sudo "
            irecovery2="sudo "
            sudo chmod +x $dir/*
            sudo systemctl stop usbmuxd
            sudo usbmuxd -pz
            usbmuxd_pid=$!
        fi

    elif [[ $OSTYPE == "darwin"* ]]; then
        platform="macos"
        platform_ver="${1:-$(sw_vers -productVersion)}"
        dir="../bin/macos"

        # macos version check
        if [[ $(echo "$platform_ver" | cut -c -2) == 10 ]]; then
            local mac_ver=$(echo "$platform_ver" | cut -c 4-)
            mac_ver=${mac_ver%.*}
            if (( mac_ver < 13 )); then
                error "Your macOS version ($platform_ver) is not supported." \
                "* You need to be on macOS 10.13 or newer to continue."
            fi
        fi

        bspatch="$(which bspatch)"
        ideviceenterrecovery="$(which ideviceenterrecovery)"
        ideviceinfo="$(which ideviceinfo)"
        iproxy="$(which iproxy)"
        ipwnder32="$dir/ipwnder32"
        irecovery="$(which irecovery)"
        ping="ping -c1"
        sha1sum="$(which shasum) -a 1"
        sha256sum="$(which shasum) -a 256"

        if [[ -z $ideviceinfo || -z $irecovery ]]; then
            error "Install bash, libimobiledevice and libirecovery from Homebrew or MacPorts to continue." \
            "* For Homebrew: brew install bash libimobiledevice libirecovery" \
            $'\n* For MacPorts: sudo port install bash libimobiledevice libirecovery'
        fi

        if [[ $(uname -m) != "x86_64" && ! $(/usr/bin/pgrep oahd >/dev/null 2>&1) ]]; then
            warn "Rosetta 2 does not seem to be installed. Please install Rosetta 2 to continue."
            print "* If you already have Rosetta 2, ignore this message."
        fi

    elif [[ $OSTYPE == "msys" ]]; then
        platform="windows"
        platform_ver="$(uname)"
        dir="../bin/windows"

        ping="ping -n 1"

        warn "Using Legacy iOS Kit on Windows is not recommended."
        print "* Please switch to a Linux or Mac machine to avoid issues."
        print "* Read the How to Use page: https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/How-to-Use"
        sleep 5
        pause
        # itunes version check
        itunes_ver="Unknown"
        if [[ -e "/c/Program Files/iTunes/iTunes.exe" ]]; then
            itunes_ver=$(powershell "(Get-Item -path 'C:\Program Files\iTunes\iTunes.exe').VersionInfo.ProductVersion")
        elif [[ -e "/c/Program Files (x86)/iTunes/iTunes.exe" ]]; then
            itunes_ver=$(powershell "(Get-Item -path 'C:\Program Files (x86)\iTunes\iTunes.exe').VersionInfo.ProductVersion")
        fi
        log "iTunes version: $itunes_ver"
        if [[ $(echo "$itunes_ver" | cut -c -2) == 12 ]]; then
            local itunes_ver2=$(echo "$itunes_ver" | cut -c 4-)
            itunes_ver2=${itunes_ver%%.*}
            if (( itunes_ver2 > 6 )); then
                warn "Detected a newer iTunes version."
                print "* Please downgrade iTunes to 12.6.5, 12.4.3, or older."
                print "* You may still continue, but you might encounter issues with restoring the device."
                sleep 5
                pause
                itunes_ver+=" (please downgrade to 12.6.5 or older)"
            fi
        fi
    else
        error "Your platform ($OSTYPE) is not supported." "* Supported platforms: Linux, macOS, Windows"
    fi
    log "Running on platform: $platform ($platform_ver)"
    rm ../resources/sudoloop 2>/dev/null
    if [[ $device_sudoloop != 1 || $platform != "linux" ]]; then
        chmod +x $dir/*
    fi

    # common
    if [[ $platform != "macos" ]]; then
        bspatch="$dir/bspatch"
        ideviceenterrecovery="$dir/ideviceenterrecovery"
        ideviceinfo="$dir/ideviceinfo"
        iproxy="$dir/iproxy"
        irecovery+="$dir/irecovery"
        sha1sum="$(which sha1sum)"
        sha256sum="$(which sha256sum)"
    fi
    if [[ $platform != "linux" ]]; then
        jq="$dir/jq"
        zenity="$dir/zenity"
    fi
    ideviceactivation="$(which ideviceactivation 2>/dev/null)"
    if [[ -z $ideviceactivation ]]; then
        ideviceactivation="$dir/ideviceactivation"
    fi
    futurerestore="$dir/futurerestore"
    gaster+="$dir/gaster"
    idevicerestore+="$dir/idevicerestore"
    idevicererestore+="$dir/idevicererestore"
    ipwnder+="$dir/ipwnder"
    irecovery2+="$dir/irecovery2"
    scp2="scp -F ../resources/ssh_config"
    ssh2="ssh -F ../resources/ssh_config"
}

install_depends() {
    log "Installing dependencies..."
    rm "../resources/firstrun" 2>/dev/null

    if [[ $platform == "linux" ]]; then
        print "* Legacy iOS Kit will be installing dependencies from your distribution's package manager"
        print "* Enter your user password when prompted"
        pause
    elif [[ $platform == "windows" ]]; then
        print "* Legacy iOS Kit will be installing dependencies from MSYS2"
        print "* You may have to run the script more than once. If the prompt exits on its own, just run restore.cmd again"
        pause
    fi

    if [[ $distro == "arch" ]]; then
        sudo pacman -Sy --noconfirm --needed base-devel curl jq libimobiledevice openssh python udev unzip usbmuxd usbutils vim zenity zip

    elif [[ $distro == "debian" ]]; then
        if [[ -n $ubuntu_ver ]]; then
            sudo add-apt-repository -y universe
        fi
        sudo apt update
        sudo apt install -y curl jq libimobiledevice6 libirecovery-common libssl3 openssh-client python3 unzip usbmuxd usbutils xxd zenity zip
        sudo systemctl enable --now udev systemd-udevd usbmuxd 2>/dev/null

    elif [[ $distro == "fedora" ]]; then
        sudo dnf install -y ca-certificates jq libimobiledevice openssl python3 systemd udev usbmuxd vim-common zenity zip
        sudo ln -sf /etc/pki/tls/certs/ca-bundle.crt /etc/pki/tls/certs/ca-certificates.crt

    elif [[ $distro == "opensuse" ]]; then
        sudo zypper -n in curl jq libimobiledevice-1_0-6 openssl-3 python3 usbmuxd unzip vim zenity zip

    elif [[ $platform == "macos" ]]; then
        log "Installing Xcode Command Line Tools"
        xcode-select --install
        if [[ $(uname -m) != "x86_64" ]]; then
            log "Installing Rosetta 2"
            softwareupdate --install-rosetta
        fi

    elif [[ $platform == "windows" ]]; then
        popd
        rm -rf "$(dirname "$0")/tmp"
        pacman -Syu --noconfirm --needed ca-certificates curl libcurl libopenssl openssh openssl unzip zip
        mkdir "$(dirname "$0")/tmp"
        pushd "$(dirname "$0")/tmp"
    fi

    uname > "../resources/firstrun"
    if [[ $platform == "linux" ]]; then
        # from linux_fix script by Cryptiiiic
        sudo systemctl enable --now systemd-udevd usbmuxd 2>/dev/null
        echo "QUNUSU9OPT0iYWRkIiwgU1VCU1lTVEVNPT0idXNiIiwgQVRUUntpZFZlbmRvcn09PSIwNWFjIiwgQVRUUntpZFByb2R1Y3R9PT0iMTIyWzI3XXwxMjhbMC0zXSIsIE9XTkVSPSJyb290IiwgR1JPVVA9InVzYm11eGQiLCBNT0RFPSIwNjYwIiwgVEFHKz0idWFjY2VzcyIKCkFDVElPTj09ImFkZCIsIFNVQlNZU1RFTT09InVzYiIsIEFUVFJ7aWRWZW5kb3J9PT0iMDVhYyIsIEFUVFJ7aWRQcm9kdWN0fT09IjEzMzgiLCBPV05FUj0icm9vdCIsIEdST1VQPSJ1c2JtdXhkIiwgTU9ERT0iMDY2MCIsIFRBRys9InVhY2Nlc3MiCgoK" | base64 -d | sudo tee /etc/udev/rules.d/39-libirecovery.rules >/dev/null 2>/dev/null
        sudo chown root:root /etc/udev/rules.d/39-libirecovery.rules
        sudo chmod 0644 /etc/udev/rules.d/39-libirecovery.rules
        sudo udevadm control --reload-rules
        sudo udevadm trigger
        echo "$distro" > "../resources/firstrun"
    fi

    log "Install script done! Please run the script again to proceed"
    log "If your iOS device is plugged in, unplug and replug your device"
    exit
}

version_check() {
    local github_api
    pushd .. >/dev/null
    if [[ -d .git ]]; then
        git_hash=$(git rev-parse HEAD | cut -c -7)
        if [[ $platform == "macos" ]]; then
            version_current=v$(date +%y.%m).$(git rev-list --count HEAD --since=$(date -j -f "%Y-%m-%d %H:%M:%S" "$(date -v1d -v-1d +%Y-%m-%d) 23:59:59" +%s) | xargs printf "%02d")
        else
            version_current=v$(date +%y.%m).$(git rev-list --count HEAD --since=$(date --date="$(date +%Y-%m-01) - 1 second" +%s) | xargs printf "%02d")
        fi
    elif [[ -e ./resources/git_hash ]]; then
        version_current="$(cat ./resources/version)"
        git_hash="$(cat ./resources/git_hash)"
    else
        log ".git directory and git_hash file not found, cannot determine version."
        if [[ $no_version_check != 1 ]]; then
            error "Your copy of Legacy iOS Kit is downloaded incorrectly. Do not use the \"Code\" button in GitHub." \
            "* Please download Legacy iOS Kit using git clone or from GitHub releases: https://github.com/LukeZGD/Legacy-iOS-Kit/releases"
        fi
    fi

    if [[ -n $version_current ]]; then
        print "* Version: $version_current ($git_hash)"
    fi

    if [[ $no_version_check != 1 ]]; then
        log "Checking for updates..."
        github_api=$(curl https://api.github.com/repos/LukeZGD/Legacy-iOS-Kit/releases/latest 2>/dev/null)
        version_latest=$(echo "$github_api" | grep "latest/Legacy-iOS-Kit_complete" | cut -c 123- | cut -c -9 | sed -e 's/\.$//')
        git_hash_latest=$(echo "$github_api" | grep "latest/git-hash" | cut -c 119- | cut -c -7)
        if [[ -z $version_latest ]]; then
            warn "Failed to check for updates. GitHub may be down or blocked by your network."
        elif [[ $version_latest != "$version_current" ]]; then
            if (( $(echo $version_current | cut -c 2- | sed -e 's/\.//g') >= $(echo $version_latest | cut -c 2- | sed -e 's/\.//g') )); then
                warn "Current version is newer/different than remote: $version_latest ($git_hash_latest)"
            else
                print "* A newer version of Legacy iOS Kit is available."
                print "* Current version: $version_current ($git_hash)"
                print "* Latest version:  $version_latest ($git_hash_latest)"
                print "* Please download/pull the latest version before proceeding."
                exit
            fi
        fi
    fi
    popd >/dev/null
}

device_get_info() {
    : '
    usage: device_get_info (no arguments)
    sets the variables: device_mode, device_type, device_ecid, device_vers, device_udid, device_model, device_fw_dir,
    device_use_vers, device_use_build, device_use_bb, device_use_bb_sha1, device_latest_vers, device_latest_build,
    device_latest_bb, device_latest_bb_sha1, device_proc
    '

    log "Getting device info..."
    if  [[ $device_argmode == "none" ]]; then
        log "No device mode is enabled."
        device_mode="none"
        device_vers="Unknown"
    fi

    $ideviceinfo -s >/dev/null
    if [[ $? == 0 ]]; then
        device_mode="Normal"
    else
        $ideviceinfo >/dev/null
        if [[ $? == 0 ]]; then
            device_mode="Normal"
        fi
    fi

    if [[ -z $device_mode ]]; then
        device_mode="$($irecovery -q 2>/dev/null | grep -w "MODE" | cut -c 7-)"
    fi

    if [[ -z $device_mode ]]; then
        local error_msg=$'* Make sure to trust this computer by selecting "Trust" at the pop-up.'
        [[ $platform == "macos" ]] && error_msg+=$'\n* Make sure to have the initial setup dependencies installed before retrying.'
        [[ $platform != "linux" ]] && error_msg+=$'\n* Double-check if the device is being detected by iTunes/Finder.'
        #if [[ $platform == "linux" ]]; then
            #error_msg+=$'\n* Try running the script again and enable sudoloop mode.'
            #touch ../resources/sudoloop
        #fi
        error_msg+=$'\n* For more details, read the "Troubleshooting" wiki page in GitHub.\n* Troubleshooting link: https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/Troubleshooting'
        error "No device found! Please connect the iOS device to proceed." "$error_msg"
    fi

    case $device_mode in
        "DFU" | "Recovery" )
            local ProdCut=7 # cut 7 for ipod/ipad
            device_type=$($irecovery -qv 2>&1 | grep "Connected to iP" | cut -c 14-)
            if [[ $(echo "$device_type" | cut -c 3) == 'h' ]]; then
                ProdCut=9 # cut 9 for iphone
            fi
            device_type=$(echo "$device_type" | cut -c -$ProdCut)
            device_ecid=$((16#$($irecovery -q | grep "ECID" | cut -c 9-))) # converts hex ecid to dec
            device_vers=$(echo "/exit" | $irecovery -s | grep "iBoot-")
            [[ -z $device_vers ]] && device_vers="Unknown"
            if [[ $device_type == "iPod2,1" && $device_mode == "Recovery" ]]; then
                warn "Your device is in recovery mode. Enter DFU mode to continue."
                device_enter_mode DFU
            fi
            if [[ $device_type == "iPod2,1" ]]; then
                device_newbr="$($irecovery -q | grep -c '240.5.1')"
            fi
        ;;

        "Normal" )
            device_type=$($ideviceinfo -s -k ProductType)
            [[ -z $device_type ]] && device_type=$($ideviceinfo -k ProductType)
            device_ecid=$($ideviceinfo -s -k UniqueChipID)
            device_vers=$($ideviceinfo -s -k ProductVersion)
            device_udid=$($ideviceinfo -s -k UniqueDeviceID)
            [[ -z $device_udid ]] && device_type=$($ideviceinfo -k UniqueDeviceID)
            if [[ $device_type == "iPod2,1" ]]; then
                device_newbr="$($ideviceinfo -k ModelNumber | grep -c 'C')"
            fi
        ;;
    esac

    # enable manual entry
    if [[ -n $device_argmode ]]; then
        log "Manual device entry is enabled."
        device_type=
        device_ecid=
    fi

    if [[ -z $device_type ]]; then
        read -p "$(input 'Enter device type (eg. iPad2,1): ')" device_type
    fi
    if [[ -z $device_ecid ]]; then
        read -p "$(input 'Enter device ECID (must be decimal): ')" device_ecid
    fi

    device_fw_dir="../resources/firmware/$device_type"
    device_model="$(cat $device_fw_dir/hwmodel)"
    if [[ -z $device_model ]]; then
        print "* Device: $device_type in $device_mode mode"
        print "* iOS Version: $device_vers"
        print "* ECID: $device_ecid"
        echo
        error "Device model not found. Device type ($device_type) is possibly invalid or not supported."
    fi

    device_use_bb=0
    device_latest_bb=0
    # set device_proc (what processor the device has)
    case $device_type in
        iPhone3,[123] | iPhone2,1 | iPod2,1 | iPod3,1 | iPad1,1 | iPod4,1 )
            device_proc=4;; # A4/S5L8920/22/8720
        iPad2,[1234567] | iPad3,[123] | iPhone4,1 | iPod5,1 )
            device_proc=5;; # A5
        iPad3,[456] | iPhone5,[1234] )
            device_proc=6;; # A6
        iPad4,[123456789] | iPhone6,[12] )
            device_proc=7;; # A7
        iPhone7,[12] | iPod7,1 )
            device_proc=8;; # A8
    esac
    # set device_use_vers, device_use_build (where to get the baseband and manifest from for ota/other)
    # for a7/a8 other restores 11.3+, device_latest_vers and device_latest_build are used
    case $device_type in
        iPod2,1 )
            device_use_vers="4.2.1"
            device_use_build="8C148"
        ;;
        iPad1,1 | iPod3,1 )
            device_use_vers="5.1.1"
            device_use_build="9B206"
        ;;
        iPhone2,1 | iPod4,1 )
            device_use_vers="6.1.6"
            device_use_build="10B500"
        ;;
        iPhone3,[123] )
            device_use_vers="7.1.2"
            device_use_build="11D257"
        ;;
        iPad2,[1245] | iPad3,1 | iPod5,1 )
            device_use_vers="9.3.5"
            device_use_build="13G36"
        ;;
        iPad2,[367] | iPad3,[23] | iPhone4,1 )
            device_use_vers="9.3.6"
            device_use_build="13G37"
        ;;
        iPad3,[56] | iPhone5,[12] )
            device_use_vers="10.3.4"
            device_use_build="14G61"
        ;;
        iPad3,4 | iPad4,[12345] | iPhone5,[34] | iPhone6,[12] )
            device_use_vers="10.3.3"
            device_use_build="14G60"
        ;;&
        iPad4,[123456789] | iPhone6,[12] | iPhone7,[12] | iPod7,1 )
            device_latest_vers="12.5.7"
            device_latest_build="16H81"
        ;;
    esac
    # set device_use_bb, device_use_bb_sha1 (what baseband to use for ota/other)
    # for a7/a8 other restores 11.3+, device_latest_bb and device_latest_bb_sha1 are used instead
    case $device_type in
        iPad2,[67] ) # MDM9615 9.3.6
            device_use_bb="Mav5-11.80.00.Release.bbfw"
            device_use_bb_sha1="aa52cf75b82fc686f94772e216008345b6a2a750"
        ;;
        iPad3,[23] ) # MDM9600
            device_use_bb="Mav4-6.7.00.Release.bbfw"
            device_use_bb_sha1="a5d6978ecead8d9c056250ad4622db4d6c71d15e"
        ;;
        iPhone4,1 ) # MDM6610
            device_use_bb="Trek-6.7.00.Release.bbfw"
            device_use_bb_sha1="22a35425a3cdf8fa1458b5116cfb199448eecf49"
        ;;
        iPad3,[56] | iPhone5,[12] ) # MDM9615 10.3.4 (32bit)
            device_use_bb="Mav5-11.80.00.Release.bbfw"
            device_use_bb_sha1="8951cf09f16029c5c0533e951eb4c06609d0ba7f"
        ;;
        iPad4,[235] | iPhone5,[34] | iPhone6,[12] ) # MDM9615 10.3.3 (5C, 5S, air, mini2)
            device_use_bb="Mav7Mav8-7.60.00.Release.bbfw"
            device_use_bb_sha1="f397724367f6bed459cf8f3d523553c13e8ae12c"
        ;;&
        iPad4,[235689] | iPhone6,[12] ) # MDM9615 12.5.7
            device_latest_bb="Mav7Mav8-10.80.02.Release.bbfw"
            device_latest_bb_sha1="f5db17f72a78d807a791138cd5ca87d2f5e859f0"
        ;;
        iPhone7,[12] ) # MDM9625
            device_latest_bb="Mav10-7.80.04.Release.bbfw"
            device_latest_bb_sha1="7ec8d734da78ca2bb1ba202afdbb6fe3fd093cb0"
        ;;
    esac
    # disable baseband update for ipad 2 cellular devices
    case $device_type in
        iPad2,[23] ) device_disable_bbupdate=$device_type;;
    esac
    # disable baseband update if var is set to 1 (manually disabled w/ --disable-bbupdate arg)
    if [[ $device_disable_bbupdate == 1 ]]; then
        device_disable_bbupdate=$device_type
    fi
    # if latest vers is not set, copy use vers to latest
    if [[ -z $device_latest_vers || -z $device_latest_build ]]; then
        device_latest_vers=$device_use_vers
        device_latest_build=$device_use_build
        device_latest_bb=$device_use_bb
        device_latest_bb_sha1=$device_use_bb_sha1
    fi
}

device_find_mode() {
    # usage: device_find_mode {DFU,Recovery,Restore} {Timeout (default: 24 for linux, 4 for other)}
    # finds device in given mode, and sets the device_mode variable
    local usb
    local timeout=4
    local i=0
    local device_in

    case $1 in
        "DFU" ) usb=1227;;
        "Recovery" ) usb=1281;;
        "Restore" ) usb=1297;;
    esac

    if [[ -n $2 ]]; then
        timeout=$2
    elif [[ $platform == "linux" ]]; then
        timeout=24
    fi

    log "Finding device in $1 mode..."
    while (( i < timeout )); do
        if [[ $platform == "linux" ]]; then
            device_in=$(lsusb | grep -c "05ac:$usb")
        elif [[ $1 == "Restore" && $($ideviceinfo -s) ]]; then
            device_in=1
        elif [[ $($irecovery -q 2>/dev/null | grep -w "MODE" | cut -c 7-) == "$1" ]]; then
            device_in=1
        fi

        if [[ $device_in == 1 ]]; then
            log "Found device in $1 mode."
            device_mode="$1"
            break
        fi
        sleep 1
        ((i++))
    done

    if [[ $device_in != 1 ]]; then
        if [[ $timeout != 1 ]]; then
            #touch ../resources/sudoloop
            error "Failed to find device in $1 mode (Timed out). Please run the script again."
        fi
        return 1
    fi
}

device_sshpass() {
    # ask for device password and use sshpass for scp and ssh
    local pass=$1
    if [[ -z $pass ]]; then
        read -s -p "$(input 'Enter the root password of your iOS device: ')" pass
        echo
    fi
    if [[ -z $pass ]]; then
        pass="alpine"
    fi
    scp="$dir/sshpass -p $pass $scp2"
    ssh="$dir/sshpass -p $pass $ssh2"
}

device_enter_mode() {
    # usage: device_enter_mode {Recovery, DFU, kDFU, pwnDFU}
    # attempt to enter given mode, and device_find_mode function will then set device_mode variable
    local opt
    case $1 in
        "Recovery" )
            if [[ $device_mode == "Normal" ]]; then
                print "* The device needs to be in recovery/DFU mode before proceeding."
                read -p "$(input 'Send device to recovery mode? (Y/n): ')" opt
                if [[ $opt == 'n' || $opt == 'N' ]]; then
                    exit
                fi
                log "Entering recovery mode..."
                $ideviceenterrecovery "$device_udid" >/dev/null
                device_find_mode Recovery 50
            elif [[ $device_mode == "DFU" ]]; then
                log "Device is in DFU mode, cannot enter recovery mode"
                return
            fi
        ;;

        "DFU" )
            if [[ $device_mode == "Normal" ]]; then
                device_enter_mode Recovery
            elif [[ $device_mode == "DFU" ]]; then
                return
            fi
            # DFU Helper for recovery mode
            print "* Get ready to enter DFU mode."
            read -p "$(input 'Select Y to continue, N to exit recovery mode (Y/n) ')" opt
            if [[ $opt == 'N' || $opt == 'n' ]]; then
                log "Exiting recovery mode."
                $irecovery -n
                exit
            fi
            print "* Hold TOP and HOME buttons for 10 seconds."
            for i in {10..01}; do
                echo -n "$i "
                sleep 1
            done
            echo -e "\n$(print '* Release TOP button and hold HOME button for 8 seconds.')"
            for i in {08..01}; do
                echo -n "$i "
                sleep 1
            done
            echo
            device_find_mode DFU
        ;;

        "kDFU" )
            local sendfiles=()
            local device_det=$(echo "$device_vers" | cut -c 1)

            if [[ $device_mode != "Normal" ]]; then
                # cannot enter kdfu if not in normal mode, attempt pwndfu instead
                device_enter_mode pwnDFU
                return
            fi

            patch_ibss
            log "Running iproxy for SSH..."
            $iproxy 2222 22 >/dev/null &
            iproxy_pid=$!
            sleep 2

            log "Please read the message below:"
            print "1. Make sure to have installed the requirements from Cydia."
            print "  - Only proceed if you have followed the steps in the GitHub wiki."
            print "  - You will be prompted to enter the root password of your iOS device."
            print "  - The default root password is \"alpine\""
            print "  - Do not worry that your input is not visible, it is still being entered."
            print "2. Afterwards, the device will disconnect and its screen will stay black."
            print "  - Proceed to either press the TOP/HOME button, or unplug and replug the device."
            pause

            echo "chmod +x /tmp/kloader*" > kloaders
            if [[ $device_det == 1 ]]; then
                echo '[[ $(uname -a | grep -c "MarijuanARM") == 1 ]] && /tmp/hgsp /tmp/pwnediBSS || \
                /tmp/kloader /tmp/pwnediBSS' >> kloaders
                sendfiles+=("../resources/kloader/hgsp")
                sendfiles+=("../resources/kloader/kloader")
            elif (( device_det < 6 )); then
                echo "/tmp/axi0mX /tmp/pwnediBSS" >> kloaders
                sendfiles+=("../resources/kloader/axi0mX")
            else
                echo "/tmp/kloader /tmp/pwnediBSS" >> kloaders
                sendfiles+=("../resources/kloader/kloader")
            fi
            sendfiles+=("kloaders" "pwnediBSS")

            device_sshpass
            log "Entering kDFU mode..."
            print "* This may take a while, but should not take longer than a minute."
            if [[ $device_det == 1 ]]; then
                print "* If the script seems to be stuck here, try to start over from step 1 in the GitHub wiki."
            fi
            $scp -P 2222 ${sendfiles[@]} root@127.0.0.1:/tmp
            if [[ $? == 0 ]]; then
                $ssh -p 2222 root@127.0.0.1 "bash /tmp/kloaders" &
            else
                warn "Failed to connect to device via USB SSH."
                if [[ $platform == "linux" ]]; then
                    print "* Try running \"sudo systemctl restart usbmuxd\" before retrying USB SSH."
                fi
                if [[ $device_det == 1 ]]; then
                    print "* Try to re-install both OpenSSH and Dropbear, reboot, re-jailbreak, and try again."
                    print "* Alternatively, place your device in DFU mode (see \"Troubleshooting\" wiki page for details)"
                    print "* Troubleshooting link: https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/Troubleshooting#dfu-advanced-menu-for-32-bit-devices"
                elif [[ $device_det == 5 ]]; then
                    print "* Try to re-install OpenSSH, reboot, and try again."
                else
                    print "* Try to re-install OpenSSH, reboot, re-jailbreak, and try again."
                    print "* Alternatively, you may use kDFUApp from my Cydia repo (see \"Troubleshooting\" wiki page for details)"
                    print "* Troubleshooting link: https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/Troubleshooting#dfu-advanced-menu-kdfu-mode"
                fi
                input "Press Enter/Return to try again with Wi-Fi SSH (or press Ctrl+C to cancel and try again)"
                read -s
                log "Will try again with Wi-Fi SSH..."
                print "* Make sure that your iOS device and PC/Mac are on the same network."
                print "* To get your device's IP Address, go to: Settings -> Wi-Fi/WLAN -> tap the 'i' next to your network name"
                local IPAddress
                read -p "$(input 'Enter the IP Address of your device:') " IPAddress
                $scp ${sendfiles[@]} root@$IPAddress:/tmp
                if [[ $? != 0 ]]; then
                    error "Failed to connect to device via SSH, cannot continue."
                fi
                $ssh root@$IPAddress "bash /tmp/kloaders" &
            fi

            local attempt=1
            local device_in
            while (( attempt < 6 )); do
                log "Finding device in kDFU mode... (Attempt $attempt)"
                if [[ $($irecovery -q 2>/dev/null | grep -w "MODE" | cut -c 7-) == "DFU" ]]; then
                    device_in=1
                fi
                if [[ $device_in == 1 ]]; then
                    log "Found device in kDFU mode."
                    device_mode="DFU"
                    break
                fi
                print "* You may also try to unplug and replug your device"
                ((attempt++))
            done
            if (( attempt >= 6 )); then
                error "Failed to find device in kDFU mode. Please run the script again"
            fi
            kill $iproxy_pid
        ;;

        "pwnDFU" )
            local irec_pwned
            local tool_pwned

            if [[ $device_target_powder == 1 && $mode == "downgrade" ]]; then
                print "* Note that kDFU mode will likely not work for powdersn0w restores!"
            fi

            if [[ $platform == "windows" ]]; then
                print "* Place your device in PWNED DFU or kDFU mode using Legacy iOS Kit on Linux or Mac."
                print "* Do not use pwning tools on Windows, they will NOT work for Legacy iOS Kit."
                print "* You can also do pwning using another iOS Device with iPwnder Lite."
                print "* If you do not know what you are doing, exit now and restart your device in normal mode."
                print "* Troubleshooting links:"
                print "    - https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/Troubleshooting#windows"
                print "    - https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/Pwning-Using-Another-iOS-Device"
                if [[ $device_mode == "DFU" ]]; then
                    pause
                    return
                elif [[ $device_mode == "Recovery" ]]; then
                    read -p "$(input 'Select Y to exit recovery mode (Y/n) ')" opt
                    if [[ $opt != 'N' && $opt != 'n' ]]; then
                        log "Exiting recovery mode."
                        $irecovery -n
                    fi
                fi
                exit
            fi

            if [[ $device_mode != "Normal" ]]; then
                irec_pwned=$($irecovery -q | grep -c "PWND")
            fi
            if [[ $device_mode == "DFU" && $mode != "pwned-ibss" && $device_proc != 4 ]] && (( device_proc < 7 )); then
                print "* Select Y if your device is in pwned iBSS/kDFU mode."
                print "* Select N to place device to pwned DFU mode using ipwndfu/ipwnder."
                read -p "$(input 'Is your device already in pwned iBSS/kDFU mode? (y/N): ')" opt
                if [[ $opt == "Y" || $opt == "y" ]]; then
                    log "Pwned iBSS/kDFU mode specified by user."
                    return
                fi
            elif [[ $irec_pwned == 1 && $device_proc == 7 ]]; then
                if [[ $platform == "macos" ]]; then
                    $ipwnder
                else
                    device_ipwndfu rmsigchks
                fi
                return
            fi

            if [[ $device_proc == 5 ]]; then
                print "* DFU mode for A5 device - Make sure that your device is in PWNED DFU mode."
                print "* You need to have an Arduino and USB Host Shield to proceed for PWNED DFU mode."
                print "* If you do not know what you are doing, select N and restart your device in normal mode."
                read -p "$(input 'Is your device in PWNED DFU mode using synackuk checkm8-a5? (y/N): ')" opt
                if [[ $opt != "Y" && $opt != "y" ]]; then
                    local error_msg=$'\n* Please put the device in normal mode and jailbroken before proceeding.'
                    error_msg+=$'\n* Exit DFU mode by holding the TOP and HOME buttons for 15 seconds.'
                    error_msg+=$'\n* For usage of kDFU/pwnDFU, read the "Troubleshooting" wiki page in GitHub'
                    error "32-bit A5 device is not in PWNED DFU mode." "$error_msg"
                fi
                device_ipwndfu send_ibss
                return
            fi

            device_enter_mode DFU

            if [[ $device_proc == 6 && $platform != "macos" ]] || [[ $device_type == "iPod2,1" ]]; then
                # A6 linux uses ipwndfu
                # ipod touch 2g uses ipwndfu
                device_ipwndfu pwn
            elif [[ $device_proc == 4 && $platform != "macos" ]]; then
                # A4 linux uses ipwnder
                $ipwnder -p
                tool_pwned=$?
            elif [[ $device_proc == 7 && $platform == "macos" && $(uname -m) != "x86_64" ]]; then
                # A7 asi mac uses ipwnder_lite
                log "Placing device to pwnDFU mode using ipwnder_lite"
                $ipwnder
                tool_pwned=$?
            else
                # A4/A6 mac uses ipwnder_lite/ipwnder32
                # A7 intel mac uses ipwnder_lite/ipwnder32/gaster
                # A7 linux uses ipwnder/gaster
                input "PwnDFU Tool Option"
                print "* Select tool to be used for entering pwned DFU mode."
                print "* This option is set to ipwnder by default (1)."
                input "Select your option:"
                local selection=("ipwnder")
                if [[ $device_proc == 7 ]]; then
                    selection+=("gaster")
                fi
                if [[ $platform == "macos" ]]; then
                    selection+=("ipwnder32")
                fi
                select opt2 in "${selection[@]}"; do
                    case $opt2 in
                        "gaster" ) opt="$gaster pwn"; break;;
                        "ipwnder32" ) opt="$ipwnder32 -p"; break;;
                        * )
                            opt="$ipwnder"
                            if [[ $platform != "macos" ]]; then
                                opt+=" -p"
                            fi
                            break
                        ;;
                    esac
                done
                log "Placing device to pwnDFU mode using: $opt"
                $opt
                tool_pwned=$?
            fi
            irec_pwned=$($irecovery -q | grep -c "PWND")
            # irec_pwned is instances of "PWND" in serial, must be 1
            # tool_pwned is error code of pwn tool, must be 0
            if [[ $irec_pwned != 1 && $tool_pwned != 0 ]]; then
                device_pwnerror
            fi

            if [[ $platform == "macos" && $opt != "$gaster pwn" ]]; then
                return
            fi

            if [[ $device_proc == 7 ]]; then
                device_ipwndfu rmsigchks
            elif [[ $device_proc != 4 ]]; then
                device_ipwndfu send_ibss
            fi
        ;;
    esac
}

device_pwnerror() {
    local error_msg=$'\n* Exit DFU mode first by holding the TOP and HOME buttons for 15 seconds.'
    error_msg+=$'\n* If you have an AMD CPU, you may have to try again on a machine with an Intel CPU.'
    if [[ $platform == "linux" && $device_proc != 4 ]]; then
        error_msg+=$'\n* Unfortunately, success rates for checkm8 are low on Linux.'
        error_msg+=$'\n* Pwning with a Mac or another iOS device are better options.'
    fi
    error_msg+=$'\n* For more details, read the "Troubleshooting" wiki page in GitHub'
    error_msg+=$'\n* Troubleshooting link: https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/Troubleshooting'
    error "Failed to enter pwnDFU mode. Please run the script again." "$error_msg"
}

device_ipwndfu() {
    local tool_pwned=0
    local mac_ver=0
    local python2=$(which python2 2>/dev/null)

    if [[ $1 == "send_ibss" ]]; then
        patch_ibss
        cp pwnediBSS ../resources/ipwndfu/
    fi

    if [[ $platform == "macos" ]]; then
        mac_ver=$(echo "$platform_ver" | cut -c -2)
    fi
    if [[ $platform == "macos" ]] && (( mac_ver < 12 )); then
        python2=/usr/bin/python
    elif [[ -e $HOME/.pyenv/versions/2.7.18/bin/python2 ]]; then
        log "python2 from pyenv detected"
        python2=
        if [[ $device_sudoloop == 1 ]]; then
            python2="sudo "
        fi
        python2+="$HOME/.pyenv/versions/2.7.18/bin/python2"
    elif [[ -z $python2 ]]; then
        error "Python 2 is not installed, cannot continue. Make sure to have python2 installed to use ipwndfu." \
        "* You may install python2 from pyenv: pyenv install 2.7.18"
    fi

    device_enter_mode DFU
    if [[ ! -d ../resources/ipwndfu ]]; then
        download_file https://github.com/LukeZGD/ipwndfu/archive/0883efd7de10e806e8d5e3d825950b04bb5a12b7.zip ipwndfu.zip 1f5dd30102b968ceb1f8ed361b265011e6daed98
        unzip -q ipwndfu.zip -d ../resources
        mv ../resources/ipwndfu*/ ../resources/ipwndfu/
    fi

    pushd ../resources/ipwndfu/
    case $1 in
        "send_ibss" )
            log "Sending iBSS..."
            $python2 ipwndfu -l pwnediBSS
            tool_pwned=$?
            rm pwnediBSS
            if [[ $tool_pwned != 0 ]]; then
                error "Failed to send iBSS. Your device has likely failed to enter PWNED DFU mode." \
                "* Please exit DFU and (re-)enter PWNED DFU mode before retrying."
            fi
        ;;

        "pwn" )
            log "Placing device to pwnDFU Mode using ipwndfu"
            $python2 ipwndfu -p
            tool_pwned=$?
            if [[ $tool_pwned != 0 ]]; then
                device_pwnerror
            fi
        ;;

        "rmsigchks" )
            log "Running rmsigchks..."
            $python2 rmsigchks.py
        ;;

        "alloc8" )
            if [[ ! -s n88ap-iBSS-4.3.5.img3 ]]; then
                log "Downloading iOS 4.3.5 iBSS"
                "../$dir/partialzip" http://appldnld.apple.com/iPhone4/041-1965.20110721.gxUB5/iPhone2,1_4.3.5_8L1_Restore.ipsw "Firmware/dfu/iBSS.n88ap.RELEASE.dfu" n88ap-iBSS-4.3.5.img3
            fi
            log "Installing alloc8 to device"
            $python2 ipwndfu -x
        ;;
    esac
    popd
}

download_file() {
    # usage: download_file {link} {target location} {sha1}
    local filename="$(basename $2)"
    log "Downloading $filename..."
    curl -L $1 -o $2
    local sha1=$($sha1sum $2 | awk '{print $1}')
    if [[ $sha1 != "$3" ]]; then
        error "Verifying $filename failed. The downloaded file may be corrupted or incomplete. Please run the script again" \
        "* SHA1sum mismatch. Expected $3, got $sha1"
    fi
}

device_fw_key_check() {
    # check and download keys for device_target_build, then set the variable device_fw_key (or device_fw_key_base)
    local key
    local build="$device_target_build"
    if [[ $1 == "base" ]]; then
        build="$device_base_build"
    elif [[ $1 == "temp" ]]; then
        build="$2"
    fi
    local keys_path="$device_fw_dir/$build"

    log "Checking firmware keys in $keys_path"
    if [[ -e "$keys_path/index.html" ]]; then
        if [[ $(cat "$keys_path/index.html" | grep -c "$build") != 1 ]]; then
            log "Existing firmware keys are not valid. Deleting"
            rm "$keys_path/index.html"
        fi
    fi

    if [[ ! -e "$keys_path/index.html" ]]; then
        log "Getting firmware keys for $device_type-$build"
        mkdir -p "$keys_path" 2>/dev/null
        local try=("https://github.com/LukeZGD/Legacy-iOS-Kit-Keys/raw/master/$device_type/$build/index.html"
                   "https://api.m1sta.xyz/wikiproxy/$device_type/$build"
                   "http://127.0.0.1:8888/firmware/$device_type/$build")
        for i in "${try[@]}"; do
            curl -L $i -o index.html
            if [[ $(cat index.html | grep -c "$build") == 1 ]]; then
                break
            fi
        done
        if [[ $(cat index.html | grep -c "$build") != 1 ]]; then
            error "Failed to download firmware keys."
        fi
        mv index.html "$keys_path/"
    fi
    if [[ $1 == "base" ]]; then
        device_fw_key_base="$(cat $keys_path/index.html)"
    elif [[ $1 == "temp" ]]; then
        device_fw_key_temp="$(cat $keys_path/index.html)"
    else
        device_fw_key="$(cat $keys_path/index.html)"
    fi
}

download_comp() {
    # usage: download_comp [build_id] [comp]
    local build_id="$1"
    local comp="$2"
    local url="$(cat "$device_fw_dir/$build_id/url")"
    if [[ -z $url ]]; then
        log "Getting URL for $device_type-$build_id"
        url=$(curl https://api.ipsw.me/v2.1/$device_type/$build_id/url)
    fi
    download_targetfile="$comp.$device_model"
    if [[ $build_id != "12"* ]]; then
        download_targetfile+="ap"
    fi
    download_targetfile+=".RELEASE"

    if [[ -e "../saved/$device_type/${comp}_$build_id.dfu" ]]; then
        cp "../saved/$device_type/${comp}_$build_id.dfu" ${comp}
    else
        log "Downloading ${comp}..."
        "$dir/partialzip" "$url" "Firmware/dfu/$download_targetfile.dfu" ${comp}
        cp ${comp} "../saved/$device_type/${comp}_$build_id.dfu"
    fi
}

patch_ibss() {
    # creates file pwnediBSS to be sent to device
    local build_id
    case $device_type in
        iPad1,1 | iPod3,1 ) build_id="9B206";;
        iPhone2,1 | iPod4,1 ) build_id="10B500";;
        iPad3,1 | iPhone3,[123] ) build_id="11D257";;
        iPod5,1 ) build_id="10B329";;
        * ) build_id="12H321";;
    esac
    if [[ -n $device_ramdisk_build ]]; then
        build_id="$device_ramdisk_build"
    fi
    download_comp $build_id iBSS
    log "Patching iBSS..."
    if [[ $build_id == "9B206" || $build_id == "10B500" ||
          $device_type == "iPhone3,2" || -n $device_ramdisk_build ]]; then
        device_fw_key_check temp $build_id
        local iv=$(echo $device_fw_key_temp | $jq -j '.keys[] | select(.image | startswith("iBSS")) | .iv')
        local key=$(echo $device_fw_key_temp | $jq -j '.keys[] | select(.image | startswith("iBSS")) | .key')
        "$dir/xpwntool" iBSS iBSS.dec -iv $iv -k $key -decrypt
        "$dir/xpwntool" iBSS.dec iBSS.raw
        "$dir/iBoot32Patcher" iBSS.raw iBSS.patched --rsa
        "$dir/xpwntool" iBSS.patched pwnediBSS -t iBSS.dec
    else
        $bspatch iBSS pwnediBSS "../resources/patch/$download_targetfile.patch"
    fi
    cp pwnediBSS ../saved/$device_type/
    log "Pwned iBSS saved at: saved/$device_type/pwnediBSS"
}

patch_ibec() {
    # creates file pwnediBEC to be sent to device for blob dumping
    local build_id
    case $device_type in
        iPad1,1 | iPod3,1 )
            build_id="9B206";;
        iPhone2,1 | iPod4,1 )
            build_id="10B500";;
        iPad2,[145] | iPad3,[346] | iPhone4,1 | iPhone5,[12] | iPod5,1 )
            build_id="10B329";;
        iPad2,2 | iPhone3,[123] )
            build_id="11D257";;
        iPad2,[367] | iPad3,[25] )
            build_id="12H321";;
        iPad3,1 )
            build_id="10B146";;
        iPhone5,3 )
            build_id="11B511";;
        iPhone5,4 )
            build_id="11B651";;
    esac
    if [[ -n $device_ramdisk_build ]]; then
        build_id="$device_ramdisk_build"
    fi
    download_comp $build_id iBEC
    device_fw_key_check temp $build_id
    local name=$(echo $device_fw_key_temp | $jq -j '.keys[] | select(.image | startswith("iBEC")) | .filename')
    local iv=$(echo $device_fw_key_temp | $jq -j '.keys[] | select(.image | startswith("iBEC")) | .iv')
    local key=$(echo $device_fw_key_temp | $jq -j '.keys[] | select(.image | startswith("iBEC")) | .key')
    local address="0x80000000"
    if [[ $device_proc == 4 ]]; then
        address="0x40000000"
    fi
    log "Decrypting iBEC..."
    mv iBEC $name.orig
    "$dir/xpwntool" $name.orig $name.dec -iv $iv -k $key -decrypt
    "$dir/xpwntool" $name.dec $name.raw
    log "Patching iBEC..."
    if [[ $build_id == "9B206" || $build_id == "10B500" ||
          $device_type == "iPhone3,2" || -n $device_ramdisk_build ]]; then
        "$dir/iBoot32Patcher" $name.raw $name.patched --rsa --debug --ticket -b "rd=md0 -v amfi=0xff cs_enforcement_disable=1" -c "go" $address
    else
        $bspatch $name.raw $name.patched "../resources/patch/$download_targetfile.patch"
    fi
    "$dir/xpwntool" $name.patched pwnediBEC -t $name.dec
    rm $name.dec $name.orig $name.raw $name.patched
    cp pwnediBEC ../saved/$device_type/
    log "Pwned iBEC saved at: saved/$device_type/pwnediBEC"
}

ipsw_preference_set() {
    # sets ipsw variables: ipsw_jailbreak, ipsw_jailbreak_tool, ipsw_memory, ipsw_verbose
    case $device_latest_vers in
        7* | 6* | 5* ) ipsw_canjailbreak=1;;
    esac

    if [[ $device_target_vers == "$device_latest_vers" && $ipsw_canjailbreak != 1 ]] ||
       (( device_proc >= 7 )) || [[ $device_target_vers == "4.1" ]]; then
        return
    fi

    case $device_target_vers in
        7* | 6* | 5* ) ipsw_canjailbreak=1;;
    esac

    if [[ $device_target_vers == "3.1.3" || $device_target_vers == "4.0" ]]; then
        ipsw_jailbreak=1
    elif [[ $device_target_other != 1 && -z $ipsw_jailbreak ]] || [[ $ipsw_canjailbreak == 1 && -z $ipsw_jailbreak ]]; then
        input "Jailbreak Option"
        print "* When this option is enabled, your device will be jailbroken on restore."
        case $device_target_vers in
            6.1.3 ) print "* I recommend to enable this for iOS 6.1.3, since it is hard to get p0sixspwn to work.";;
            8.4.1 )
                print "* Based on some reported issues, Jailbreak Option might not work properly for iOS 8.4.1."
                print "* I recommend to disable the option for these devices and sideload EtasonJB, HomeDepot, or daibutsu manually."
            ;;
        esac
        print "* This option is enabled by default (Y)."
        read -p "$(input 'Enable this option? (Y/n): ')" ipsw_jailbreak
        if [[ $ipsw_jailbreak == 'N' || $ipsw_jailbreak == 'n' ]]; then
            ipsw_jailbreak=
            log "Jailbreak option disabled by user."
        else
            ipsw_jailbreak=1
            log "Jailbreak option enabled."
        fi
        echo
    fi

    if [[ $ipsw_jailbreak == 1 && $device_target_vers == "8.4.1" &&
          -z $ipsw_jailbreak_tool && $device_target_powder != 1 ]]; then
        case $device_type in
            iPhone4,1 | iPhone5,2 )
                input "Jailbreak Tool Option"
                print "* This option is set to daibutsu by default (1)."
                Selection=("daibutsu" "EtasonJB")
                input "Select your option:"
                select opt in "${Selection[@]}"; do
                    case $opt in
                        "EtasonJB" ) ipsw_jailbreak_tool="etasonjb"; break;;
                        * ) ipsw_jailbreak_tool="daibutsu"; break;;
                    esac
                done
                log "Jailbreak tool option set to: $ipsw_jailbreak_tool"
                echo
            ;;

            iPad2,[4567] | iPad3,[123] | iPod5,1 )
                ipsw_jailbreak_tool="daibutsu";;
            * ) ipsw_jailbreak_tool="etasonjb";;
        esac
    fi

    if [[ $platform == "windows" ]]; then
        ipsw_memory=
    elif [[ -n $ipsw_memory || $device_type == "iPhone2,1" || $device_type == "iPod2,1" ]]; then
        :
    elif [[ $ipsw_jailbreak == 1 || $device_type == "$device_disable_bbupdate" ]] ||
         [[ $device_type == "iPhone3,1" && $device_target_vers != "7.1.2" ]] ||
         [[ $device_type == "iPad2"* && $device_target_vers == "4.3"* ]] ||
         [[ $device_target_powder == 1 ]]; then
        input "Memory Option for creating custom IPSW"
        print "* This option makes creating the custom IPSW faster, but it requires at least 8GB of RAM."
        print "* If you do not have enough RAM, disable this option and make sure that you have enough storage space."
        print "* This option is enabled by default (Y)."
        read -p "$(input 'Enable this option? (Y/n): ')" ipsw_memory
        if [[ $ipsw_memory == 'N' || $ipsw_memory == 'n' ]]; then
            log "Memory option disabled by user."
            ipsw_memory=
        else
            log "Memory option enabled."
            ipsw_memory=1
        fi
        echo
    fi

    if [[ $device_target_powder == 1 && -z $ipsw_verbose ]]; then
        input "Verbose Boot Option"
        print "* When enabled, the device will have verbose boot on restore."
        print "* This option is enabled by default (Y)."
        read -p "$(input 'Enable this option? (Y/n): ')" ipsw_verbose
        if [[ $ipsw_verbose == 'N' || $ipsw_verbose == 'n' ]]; then
            ipsw_verbose=
            log "Verbose boot option disabled by user."
        else
            ipsw_verbose=1
            log "Verbose boot option enabled."
        fi
        echo
    fi

    ipsw_custom_set
}

shsh_save() {
    # usage: shsh_save {apnonce (optional)}
    # sets variable shsh_path
    local version=$device_target_vers
    local build_id=$device_target_build
    local apnonce
    local shsh_check
    local buildmanifest="../resources/manifest/BuildManifest_${device_type}_${version}.plist"
    local ExtraArgs=

    if [[ $1 == "apnonce" ]]; then
        apnonce=$2
    elif [[ $1 == "version" ]]; then
        version=$2
    fi

    if [[ $version == "$device_latest_vers" ]]; then
        build_id="$device_latest_build"
        buildmanifest="../saved/$device_type/$build_id.plist"
        if [[ ! -e $buildmanifest ]]; then
            if [[ -e "$ipsw_base_path.ipsw" ]]; then
                log "Extracting BuildManifest from $version IPSW..."
                unzip -o -j "$ipsw_base_path.ipsw" BuildManifest.plist -d .
            else
                log "Downloading BuildManifest for $version..."
                "$dir/partialzip" "$(cat "$device_fw_dir/$build_id/url")" BuildManifest.plist BuildManifest.plist
            fi
            mv BuildManifest.plist $buildmanifest
        fi
    fi
    shsh_check=${device_ecid}_${device_type}_${device_model}ap_${version}-${build_id}_${apnonce}*.shsh*

    if [[ $(ls ../saved/shsh/$shsh_check 2>/dev/null) && -z $apnonce ]]; then
        shsh_path="$(ls ../saved/shsh/$shsh_check)"
        log "Found existing saved $version blobs: $shsh_path"
        return
    fi
    rm *.shsh* 2>/dev/null

    ExtraArgs="-d $device_type -i $version -e $device_ecid -m $buildmanifest -o -s -B ${device_model}ap -b "
    if [[ -n $apnonce ]]; then
        ExtraArgs+="--apnonce $apnonce"
    else
        ExtraArgs+="-g 0x1111111111111111"
    fi
    log "Running tsschecker with command: $dir/tsschecker $ExtraArgs"
    "$dir/tsschecker" $ExtraArgs
    shsh_path="$(ls $shsh_check)"
    if [[ -z "$shsh_path" ]]; then
        error "Saving $version blobs failed. Please run the script again" \
        "* It is also possible that $version for $device_type is no longer signed"
    fi
    if [[ -z $apnonce ]]; then
        cp "$shsh_path" ../saved/shsh/
    fi
    log "Successfully saved $version blobs: $shsh_path"
}

ipsw_download() {
    local version="$device_target_vers"
    local build_id="$device_target_build"
    local ipsw_dl="$1"
    if [[ ! -e "$ipsw_dl.ipsw" ]]; then
        print "* The script will now proceed to download iOS $version IPSW."
        print "* If you want to download it yourself, here is the link: $(cat $device_fw_dir/$build_id/url)"
        log "Downloading IPSW... (Press Ctrl+C to cancel)"
        curl -L "$(cat $device_fw_dir/$build_id/url)" -o temp.ipsw
        mv temp.ipsw "$ipsw_dl.ipsw"
    fi
    ipsw_verify "$ipsw_dl" "$build_id"
}

ipsw_verify() {
    local ipsw_dl="$1"
    local build_id="$2"
    log "Verifying $ipsw_dl.ipsw..."
    local IPSWSHA1=$(cat "$device_fw_dir/$build_id/sha1sum" 2>/dev/null)
    if [[ -z $IPSWSHA1 ]]; then
        IPSWSHA1="$(curl https://api.ipsw.me/v2.1/$device_type/$build_id/sha1sum)"
    fi
    local IPSWSHA1L=$($sha1sum "${ipsw_dl//\\//}.ipsw" | awk '{print $1}')
    if [[ $IPSWSHA1L != "$IPSWSHA1" ]]; then
        if [[ -z $3 ]]; then
            log "SHA1sum mismatch. Expected $IPSWSHA1, got $IPSWSHA1L"
            warn "Verifying IPSW failed. Your IPSW may be corrupted or incomplete. Make sure to download and select the correct IPSW."
            pause
        fi
        return 1
    fi
    log "IPSW SHA1sum matches"
}

ipsw_prepare_1033() {
    # patch iBSS, iBEC, iBSSb, iBECb and set variables
    iBSS="ipad4"
    if [[ $device_type == "iPhone6"* ]]; then
        iBSS="iphone6"
    fi
    iBEC="iBEC.${iBSS}.RELEASE"
    iBSSb="iBSS.${iBSS}b.RELEASE"
    iBECb="iBEC.${iBSS}b.RELEASE"
    iBSS="iBSS.$iBSS.RELEASE"

    log "Patching iBSS and iBEC..."
    unzip -o -j "$ipsw_path.ipsw" Firmware/dfu/$iBSS.im4p
    unzip -o -j "$ipsw_path.ipsw" Firmware/dfu/$iBEC.im4p
    mv $iBSS.im4p $iBSS.orig
    mv $iBEC.im4p $iBEC.orig
    $bspatch $iBSS.orig $iBSS.im4p ../resources/patch/$iBSS.patch
    $bspatch $iBEC.orig $iBEC.im4p ../resources/patch/$iBEC.patch
    if [[ $device_type == "iPad4"* ]]; then
        unzip -o -j "$ipsw_path.ipsw" Firmware/dfu/$iBSSb.im4p
        unzip -o -j "$ipsw_path.ipsw" Firmware/dfu/$iBECb.im4p
        mv $iBSSb.im4p $iBSSb.orig
        mv $iBECb.im4p $iBECb.orig
        $bspatch $iBSSb.orig $iBSSb.im4p ../resources/patch/$iBSSb.patch
        $bspatch $iBECb.orig $iBECb.im4p ../resources/patch/$iBECb.patch
    fi
    if [[ $device_type == "iPad4,4" || $device_type == "iPad4,5" ]]; then
        cp $iBSSb.im4p $iBECb.im4p ../saved/$device_type
    else
        cp $iBSS.im4p $iBEC.im4p ../saved/$device_type
    fi
    log "Pwned iBSS and iBEC saved at: saved/$device_type"

    # this will not be needed if i get my fork(s) of futurerestore compiled on macos
    if [[ $platform == "macos" && ! -e "$ipsw_custom.ipsw" ]]; then
        log "Preparing custom IPSW..."
        mkdir -p Firmware/dfu
        cp "$ipsw_path.ipsw" temp.ipsw
        zip -d temp.ipsw Firmware/dfu/$iBEC.im4p
        cp $iBEC.im4p Firmware/dfu
        zip -r0 temp.ipsw Firmware/dfu/$iBEC.im4p
        if [[ $device_type == "iPad4"* ]]; then
            zip -d temp.ipsw Firmware/dfu/$iBECb.im4p
            cp $iBECb.im4p Firmware/dfu
            zip -r0 temp.ipsw Firmware/dfu/$iBECb.im4p
        fi
        mv temp.ipsw "$ipsw_custom.ipsw"
    fi
}

ipsw_prepare_jailbreak() {
    if [[ -e "$ipsw_custom.ipsw" ]]; then
        log "Found existing Custom IPSW. Skipping IPSW creation."
        return
    fi
    local ExtraArgs=
    local ipsw="$dir/ipsw"
    local JBFiles=()
    local JBFiles2=()

    if [[ $ipsw_jailbreak_tool == "daibutsu" ]]; then
        if [[ $platform == "windows" ]]; then
            ipsw+="2"
        fi
        echo '#!/bin/bash' > reboot.sh
        echo "mount_hfs /dev/disk0s1s1 /mnt1; mount_hfs /dev/disk0s1s2 /mnt2" >> reboot.sh
        echo "nvram -d boot-partition; nvram -d boot-ramdisk" >> reboot.sh
        echo "/usr/bin/haxx_overwrite -$device_model" >> reboot.sh
        if [[ $ipsw_openssh == 1 ]]; then
            JBFiles=("../resources/jailbreak/sshdeb.tar")
        fi
        JBFiles2=("daibutsu/bin.tar" "daibutsu/untether.tar" "freeze.tar")
        for i in {0..2}; do
            cp ../resources/jailbreak/${JBFiles2[$i]} .
        done
        cp -R ../resources/firmware/JailbreakBundles FirmwareBundles
        ExtraArgs+="-daibutsu" # use daibutsuCFW

    elif [[ $ipsw_jailbreak == 1 ]]; then
        case $device_target_vers in
            8.4.1 ) JBFiles+=("fstab8.tar" "etasonJB-untether.tar");;
            6.1.3 ) JBFiles+=("fstab_rw.tar" "p0sixspwn.tar");;
        esac
        JBFiles+=("freeze.tar")
        for i in {0..2}; do
            JBFiles[i]=../resources/jailbreak/${JBFiles[$i]}
        done
        if [[ $ipsw_openssh == 1 ]]; then
            JBFiles+=("../resources/jailbreak/sshdeb.tar")
        fi
        cp -R ../resources/firmware/FirmwareBundles .
        ExtraArgs+="-S 30" # system partition add
    else
        cp -R ../resources/firmware/FirmwareBundles .
    fi

    if [[ $device_use_bb != 0 && $device_type != "$device_disable_bbupdate" ]]; then
        ExtraArgs+=" -bbupdate"
    fi
    if [[ $ipsw_memory == 1 ]]; then
        ExtraArgs+=" -memory"
    fi
    log "Preparing custom IPSW: $ipsw $ipsw_path.ipsw temp.ipsw $ExtraArgs ${JBFiles[*]}"
    "$ipsw" "$ipsw_path.ipsw" temp.ipsw $ExtraArgs ${JBFiles[@]}

    if [[ ! -e temp.ipsw ]]; then
        error "Failed to find custom IPSW. Please run the script again" \
        "* You may try selecting N for memory option"
    fi
    mv temp.ipsw "$ipsw_custom.ipsw"
}

ipsw_prepare_32bit_keys() {
    local comp="$1"
    local getcomp="$1"
    case $comp in
        "RestoreLogo" ) getcomp="AppleLogo";;
        *"KernelCache" ) getcomp="Kernelcache";;
        "RestoreDeviceTree" ) getcomp="DeviceTree";;
    esac
    local fw_key="$device_fw_key"
    if [[ $2 == "base" ]]; then
        fw_key="$device_fw_key_base"
    fi
    local name=$(echo $fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .filename')
    local iv=$(echo $fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .iv')
    local key=$(echo $fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .key')

    case $comp in
        "iBSS" | "iBEC" )
            echo -e "<key>$comp</key><dict><key>File</key><string>Firmware/dfu/$name</string><key>IV</key><string>$iv</string><key>Key</key><string>$key</string><key>Patch</key><true/>" >> $NewPlist
        ;;

        "RestoreRamdisk" )
            echo -e "<key>Restore Ramdisk</key><dict><key>File</key><string>$name</string><key>IV</key><string>$iv</string><key>Key</key><string>$key</string>" >> $NewPlist
        ;;

        "RestoreDeviceTree" | "RestoreLogo" )
            echo -e "<key>$comp</key><dict><key>File</key><string>Firmware/all_flash/all_flash.${device_model}ap.production/$name</string><key>IV</key><string>$iv</string><key>Key</key><string>$key</string><key>DecryptPath</key><string>Downgrade/$comp</string>" >> $NewPlist
        ;;

        "RestoreKernelCache" )
            echo -e "<key>$comp</key><dict><key>File</key><string>$name</string><key>IV</key><string>$iv</string><key>Key</key><string>$key</string><key>DecryptPath</key><string>Downgrade/$comp</string><key>Patch</key><false/>" >> $NewPlist
        ;;

        "KernelCache" )
            if [[ $vers != "5"* ]]; then
                echo -e "<key>$comp</key><dict><key>File</key><string>$name</string><key>IV</key><string>$iv</string><key>Key</key><string>$key</string><key>DecryptPath</key><string>Downgrade/$comp</string><key>Patch</key><true/>" >> $NewPlist
            fi
        ;;
    esac
    if [[ $comp == "KernelCache" && $vers == "5"* ]]; then
        return
    fi
    echo -e "<key>Decrypt</key><true/></dict>" >> $NewPlist
}

ipsw_prepare_32bit_paths() {
    local comp="$1"
    local getcomp="$1"
    case $comp in
        "BatteryPlugin" ) getcomp="GlyphPlugin";;
        "NewAppleLogo" ) getcomp="AppleLogo";;
        "NewRecoveryMode" ) getcomp="RecoveryMode";;
        "NewiBoot" ) getcomp="iBoot";;
    esac
    local fw_key="$device_fw_key"
    if [[ $2 == "base" ]]; then
        fw_key="$device_fw_key_base"
    fi
    local name=$(echo $fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .filename')
    local str="<key>$comp</key><dict><key>File</key><string>Firmware/all_flash/all_flash.${device_model}ap.production/"
    local str2
    if [[ $2 == "target" ]]; then
        case $comp in
            "AppleLogo" ) str2="${name/applelogo/"applelogo7"}";;&
            "RecoveryMode" ) str2="${name/recoverymode/"recoverymode7"}";;&
            "NewiBoot" ) str2="${name/iBoot/"iBoot$(echo $device_target_vers | cut -c 1)"}";;&
            "AppleLogo" | "RecoveryMode" | "NewiBoot" )
                str+="$str2"
                echo "$str2" >> $FirmwareBundle/manifest
            ;;
            "manifest" ) str+="manifest";;
            * ) str+="$name";;
        esac
    else
        str+="$name"
    fi
    str+="</string>"

    if [[ $comp == "NewiBoot" ]]; then
        local iv=$(echo $fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .iv')
        local key=$(echo $fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .key')
        str+="<key>IV</key><string>$iv</string><key>Key</key><string>$key</string>"
    elif [[ $comp == "manifest" ]]; then
        str+="<key>manifest</key><string>manifest</string>"
    fi

    echo -e "$str</dict>" >> $NewPlist
}

ipsw_prepare_config() {
    # usage: ipsw_prepare_config [jailbreak (true/false)] [needpref (true/false)]
    # creates config file to FirmwareBundles/config.plist
    local verbose="false"
    if [[ $ipsw_verbose == 1 ]]; then
        verbose="true"
    fi
    log "Preparing config file"
    echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">
<plist version=\"1.0\">
<dict>
	<key>FilesystemJailbreak</key>
	<$1/>
	<key>needPref</key>
	<$2/>
	<key>iBootPatches</key>
	<dict>
		<key>debugEnabled</key>
		<false/>
		<key>bootArgsInjection</key>
		<$verbose/>
		<key>bootArgsString</key>
		<string>-v</string>
	</dict>
</dict>
</plist>" | tee FirmwareBundles/config.plist
}

ipsw_prepare_bundle() {
    device_fw_key_check $1
    local ipsw_p="$ipsw_path"
    local key="$device_fw_key"
    local vers="$device_target_vers"
    local build="$device_target_build"
    local hw="$device_model"
    local RootSize
    FirmwareBundle="FirmwareBundles/"

    mkdir FirmwareBundles 2>/dev/null
    if [[ $1 == "base" ]]; then
        ipsw_p="$ipsw_base_path"
        key="$device_fw_key_base"
        vers="$device_base_vers"
        build="$device_base_build"
        FirmwareBundle+="BASE_"
    elif [[ $1 == "target" ]]; then
        if [[ $ipsw_jailbreak == 1 && $vers != "5"* ]]; then
            ipsw_prepare_config true true
        else
            ipsw_prepare_config false true
        fi
    elif [[ $ipsw_jailbreak == 1 ]]; then
        ipsw_prepare_config false true
    else
        ipsw_prepare_config false false
    fi
    FirmwareBundle+="${device_type}_${vers}_${build}.bundle"
    local NewPlist=$FirmwareBundle/Info.plist
    mkdir -p $FirmwareBundle

    log "Generating firmware bundle..."
    local IPSWSHA256=$($sha256sum "${ipsw_p//\\//}.ipsw" | awk '{print $1}')
    log "IPSWSHA256: $IPSWSHA256"
    unzip -o -j "$ipsw_p.ipsw" Firmware/all_flash/all_flash.${device_model}ap.production/manifest
    mv manifest $FirmwareBundle/
    local RamdiskName=$(echo "$key" | $jq -j '.keys[] | select(.image | startswith("RestoreRamdisk")) | .filename')
    local RamdiskIV=$(echo "$key" | $jq -j '.keys[] | select(.image | startswith("RestoreRamdisk")) | .iv')
    local RamdiskKey=$(echo "$key" | $jq -j '.keys[] | select(.image | startswith("RestoreRamdisk")) | .key')
    unzip -o -j "$ipsw_p.ipsw" $RamdiskName
    "$dir/xpwntool" $RamdiskName Ramdisk.raw -iv $RamdiskIV -k $RamdiskKey
    "$dir/hfsplus" Ramdisk.raw extract usr/local/share/restore/options.$device_model.plist
    if [[ $platform == "macos" ]]; then
        plutil -extract 'SystemPartitionSize' xml1 options.$device_model.plist -o size
        RootSize=$(cat size | sed -ne '/<integer>/,/<\/integer>/p' | sed -e "s/<integer>//" | sed "s/<\/integer>//" | sed '2d')
    else
        RootSize=$(cat options.$device_model.plist | grep -i SystemPartitionSize -A 1 | grep -oPm1 "(?<=<integer>)[^<]+")
    fi
    RootSize=$((RootSize+30))
    echo -e $'<?xml version="1.0" encoding="UTF-8"?>\n<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n<plist version="1.0"><dict>' > $NewPlist
    echo -e "<key>Filename</key><string>$ipsw_p.ipsw</string>" >> $NewPlist
    echo -e "<key>RootFilesystem</key><string>$(echo "$key" | $jq -j '.keys[] | select(.image == "RootFS") | .filename')</string>" >> $NewPlist
    echo -e "<key>RootFilesystemKey</key><string>$(echo "$key" | $jq -j '.keys[] | select(.image == "RootFS") | .key')</string>" >> $NewPlist
    echo -e "<key>RootFilesystemSize</key><integer>$RootSize</integer>" >> $NewPlist
    echo -e "<key>RamdiskOptionsPath</key><string>/usr/local/share/restore/options.$device_model.plist</string>" >> $NewPlist
    echo -e "<key>SHA256</key><string>$IPSWSHA256</string>" >> $NewPlist

    if [[ $1 == "base" ]]; then
        case $device_type in
            iPhone5,[12] ) hw="iphone5";;
        esac
        echo -e "<key>RamdiskExploit</key><dict>" >> $NewPlist
        echo -e "<key>exploit</key><string>src/target/$hw/11D257/exploit</string>" >> $NewPlist
        echo -e "<key>inject</key><string>src/target/$hw/11D257/partition</string></dict>" >> $NewPlist
    elif [[ $1 == "target" && $vers == "5"* ]]; then
        echo -e "<key>FilesystemPackage</key><dict/><key>RamdiskPackage</key><dict><key>package</key><string>src/bin.tar</string><key>ios</key><string>ios5</string></dict>" >> $NewPlist
    elif [[ $1 == "target" ]]; then
        echo -e "<key>FilesystemPackage</key><dict><key>bootstrap</key><string>freeze.tar</string>" >> $NewPlist
        case $vers in
            6* ) echo -e "</dict><key>RamdiskPackage</key><dict><key>package</key><string>src/bin.tar</string><key>ios</key><string>ios6</string></dict>" >> $NewPlist;;
            7* ) error "iOS 7 targets are not supported.";;
            8* | 9* ) echo -e "<key>package</key><string>src/ios9.tar</string></dict><key>RamdiskPackage</key><dict><key>package</key><string>src/bin.tar</string><key>ios</key><string>ios" >> $NewPlist;;&
            8* ) echo -e "8</string></dict>" >> $NewPlist;;
            9* ) echo -e "9</string></dict>" >> $NewPlist;;
        esac
    else
        echo -e "<key>FilesystemPackage</key><dict/><key>RamdiskPackage</key><dict/>" >> $NewPlist
    fi

    if [[ $1 == "base" ]]; then
        echo -e "<key>Firmware</key><dict/>" >> $NewPlist
    else
        echo -e "<key>Firmware</key><dict>" >> $NewPlist
        ipsw_prepare_32bit_keys iBSS $1
        ipsw_prepare_32bit_keys iBEC $1
        ipsw_prepare_32bit_keys RestoreRamdisk $1
        ipsw_prepare_32bit_keys RestoreDeviceTree $1
        ipsw_prepare_32bit_keys RestoreLogo $1
        if [[ $1 == "target" ]]; then
            ipsw_prepare_32bit_keys KernelCache $1
        else
            ipsw_prepare_32bit_keys RestoreKernelCache $1
        fi
        echo -e "</dict>" >> $NewPlist
    fi

    if [[ $1 == "base" ]]; then
        echo -e "<key>FirmwarePath</key><dict>" >> $NewPlist
        ipsw_prepare_32bit_paths AppleLogo $1
        ipsw_prepare_32bit_paths BatteryCharging0 $1
        ipsw_prepare_32bit_paths BatteryCharging1 $1
        ipsw_prepare_32bit_paths BatteryFull $1
        ipsw_prepare_32bit_paths BatteryLow0 $1
        ipsw_prepare_32bit_paths BatteryLow1 $1
        ipsw_prepare_32bit_paths BatteryPlugin $1
        ipsw_prepare_32bit_paths RecoveryMode $1
        ipsw_prepare_32bit_paths LLB $1
        ipsw_prepare_32bit_paths iBoot $1
        echo -e "</dict>" >> $NewPlist
    elif [[ $1 == "target" ]]; then
        echo -e "<key>FirmwareReplace</key><dict>" >> $NewPlist
        ipsw_prepare_32bit_paths AppleLogo $1
        ipsw_prepare_32bit_paths NewAppleLogo $1
        ipsw_prepare_32bit_paths BatteryCharging0 $1
        ipsw_prepare_32bit_paths BatteryCharging1 $1
        ipsw_prepare_32bit_paths BatteryFull $1
        ipsw_prepare_32bit_paths BatteryLow0 $1
        ipsw_prepare_32bit_paths BatteryLow1 $1
        ipsw_prepare_32bit_paths BatteryPlugin $1
        ipsw_prepare_32bit_paths RecoveryMode $1
        ipsw_prepare_32bit_paths NewRecoveryMode $1
        ipsw_prepare_32bit_paths LLB $1
        ipsw_prepare_32bit_paths iBoot $1
        ipsw_prepare_32bit_paths NewiBoot $1
        ipsw_prepare_32bit_paths manifest $1
        echo -e "</dict>" >> $NewPlist
    fi

    echo -e "</dict></plist>" >> $NewPlist
    cat $NewPlist
}

ipsw_prepare_32bit() {
    local ExtraArgs
    local JBFiles=()
    if [[ $device_target_vers == "3"* || $device_target_vers == "4"* ]]; then
        if [[ $device_type == "iPad2"* ]]; then
            ipsw_prepare_jailbreak
        fi
        return
    elif [[ -e "$ipsw_custom.ipsw" ]]; then
        log "Found existing Custom IPSW. Skipping IPSW creation."
        return
    elif [[ $platform != "windows" && $device_type != "$device_disable_bbupdate" &&
            $ipsw_jailbreak != 1 && $device_proc != 4 ]]; then
        log "No need to create custom IPSW for non-jailbroken restores on $device_type-$device_target_build"
        return
    fi

    ipsw_prepare_bundle

    if [[ $device_use_bb != 0 && $device_type != "$device_disable_bbupdate" ]]; then
        ExtraArgs+=" -bbupdate"
    fi
    if [[ $ipsw_memory == 1 ]]; then
        ExtraArgs+=" -memory"
    fi
    if [[ $ipsw_jailbreak == 1 ]]; then
        case $device_target_vers in
            7.1* )       JBFiles+=("panguaxe.tar");;
            7* )         JBFiles+=("evasi0n7-untether.tar");;
            6.1.[3456] ) JBFiles+=("p0sixspwn.tar");;
            6* )         JBFiles+=("evasi0n6-untether.tar");;
            5* )         JBFiles+=("pris0nbarake/tar-${device_model}_$device_target_build.tar")
            ;;
        esac
        case $device_target_vers in
            7* ) JBFiles+=("fstab7.tar");;
            * )  JBFiles+=("fstab_rw.tar");;
        esac
        JBFiles+=("freeze.tar")
        for i in {0..2}; do
            JBFiles[i]=../resources/jailbreak/${JBFiles[$i]}
        done
        if [[ $ipsw_openssh == 1 ]]; then
            JBFiles+=("../resources/jailbreak/sshdeb.tar")
        fi
    fi
    log "Preparing custom IPSW: $dir/powdersn0w $ipsw_path.ipsw temp.ipsw $ExtraArgs ${JBFiles[*]}"
    "$dir/powdersn0w" "$ipsw_path.ipsw" temp.ipsw $ExtraArgs ${JBFiles[@]}

    if [[ ! -e temp.ipsw ]]; then
        error "Failed to find custom IPSW. Please run the script again" \
        "* You may try selecting N for memory option"
    fi
    mv temp.ipsw "$ipsw_custom.ipsw"
}

ipsw_prepare_powder() {
    local ExtraArgs
    local ExtraArgs2="--logo4 "
    local IV
    local JBFiles=()
    local Key

    if [[ -e "$ipsw_custom.ipsw" ]]; then
        log "Found existing Custom IPSW. Skipping IPSW creation."
        return
    fi

    if [[ $ipsw_jailbreak == 1 ]]; then
        if [[ $device_target_vers == "4"* || $device_target_vers == "5"* ]]; then
            if [[ $device_target_vers == "5"* ]]; then
                JBFiles=("pris0nbarake/tar-${device_model}_$device_target_build.tar")
            else
                JBFiles=("unthredeh4il.tar")
            fi
            JBFiles+=("fstab_rw.tar" "freeze.tar")
            for i in {0..2}; do
                JBFiles[i]=../resources/jailbreak/${JBFiles[$i]}
            done
        fi
        if [[ $ipsw_openssh == 1 ]]; then
            JBFiles+=("../resources/jailbreak/sshdeb.tar")
        fi
        cp ../resources/jailbreak/freeze.tar .
    fi

    cp -R ../resources/firmware/powdersn0wBundles ./FirmwareBundles
    cp -R ../resources/firmware/src .
    if [[ $device_target_vers == "4.3"* ]]; then
        ExtraArgs+="-apticket $shsh_path"
    fi
    if [[ $ipsw_jailbreak == 1 && $device_target_vers == "6"* ]]; then
        ipsw_prepare_config true true
    else
        ipsw_prepare_config false true
    fi
    if [[ $ipsw_memory == 1 ]]; then
        ExtraArgs+=" -memory"
    fi
    log "Preparing custom IPSW: $dir/powdersn0w $ipsw_path.ipsw temp.ipsw -base $ipsw_base_path.ipsw $ExtraArgs ${JBFiles[*]}"
    "$dir/powdersn0w" "$ipsw_path.ipsw" temp.ipsw -base "$ipsw_base_path.ipsw" $ExtraArgs ${JBFiles[@]}

    if [[ ! -e temp.ipsw ]]; then
        error "Failed to find custom IPSW. Please run the script again" \
        "* You may try selecting N for memory option"
    fi

    if [[ $device_target_vers == "4.3"* ]]; then
        device_fw_key_check
        log "Applying iOS 4 patches"
        log "Patch iBoot"
        IV=$(echo "$device_fw_key" | $jq -j '.keys[] | select(.image | startswith("iBoot")) | .iv')
        Key=$(echo "$device_fw_key" | $jq -j '.keys[] | select(.image | startswith("iBoot")) | .key')
        if [[ $device_target_vers != "4.3.5" ]]; then
            ExtraArgs2+="--433 "
        fi
        if [[ $ipsw_verbose == 1 ]]; then
            ExtraArgs2+="-b -v"
        fi
        unzip -o -j "$ipsw_path.ipsw" Firmware/all_flash/all_flash.n90ap.production/iBoot*
        mv iBoot.n90ap.RELEASE.img3 ibot
        "$dir/xpwntool" ibot ibot.dec -iv $IV -k $Key
        "$dir/iBoot32Patcher" ibot.dec ibot.pwned --rsa --boot-partition --boot-ramdisk $ExtraArgs2
        "$dir/xpwntool" ibot.pwned iBoot -t ibot
        rm ibot*
        echo "0000010: 6365" | xxd -r - iBoot
        echo "0000020: 6365" | xxd -r - iBoot
        mkdir -p Firmware/all_flash/all_flash.n90ap.production Firmware/dfu
        cp iBoot Firmware/all_flash/all_flash.n90ap.production/iBoot4.n90ap.RELEASE.img3
        log "Patch iBSS"
        unzip -o -j "$ipsw_path.ipsw" Firmware/dfu/iBSS.n90ap.RELEASE.dfu
        $bspatch iBSS.n90ap.RELEASE.dfu Firmware/dfu/iBSS.n90ap.RELEASE.dfu FirmwareBundles/${device_type}_${device_target_vers}_${device_target_build}.bundle/iBSS.n90ap.RELEASE.patch
        log "Patch Ramdisk"
        local RamdiskName=$(echo "$device_fw_key" | $jq -j '.keys[] | select(.image | startswith("RestoreRamdisk")) | .filename')
        unzip -o -j "$ipsw_path.ipsw" $RamdiskName
        if [[ $device_target_vers == "4.3" ]]; then
            "$dir/xpwntool" $RamdiskName ramdisk.orig -iv d11772b6a3bdd4f0b4cd8795b9f10ad9 -k 9873392c91743857cf5b35c9017c6683d5659c9358f35c742be27bfb03dee77c -decrypt
        else
            mv $RamdiskName ramdisk.orig
        fi
        $bspatch ramdisk.orig ramdisk.patched FirmwareBundles/${device_type}_${device_target_vers}_${device_target_build}.bundle/${RamdiskName%????}.patch
        "$dir/xpwntool" ramdisk.patched ramdisk.raw
        "$dir/hfsplus" ramdisk.raw rm iBoot
        "$dir/hfsplus" ramdisk.raw add iBoot iBoot
        "$dir/xpwntool" ramdisk.raw $RamdiskName -t ramdisk.patched
        log "Patch AppleLogo"
        unzip -o -j temp.ipsw Firmware/all_flash/all_flash.n90ap.production/applelogo-640x960.s5l8930x.img3
        echo "0000010: 3467" | xxd -r - applelogo-640x960.s5l8930x.img3
        echo "0000020: 3467" | xxd -r - applelogo-640x960.s5l8930x.img3
        mv applelogo-640x960.s5l8930x.img3 Firmware/all_flash/all_flash.n90ap.production/applelogo-640x960.s5l8930x.img3
        log "Add all to custom IPSW"
        zip -r0 temp.ipsw Firmware/all_flash/all_flash.n90ap.production/* Firmware/dfu/iBSS.n90ap.RELEASE.dfu $RamdiskName
    fi

    mv temp.ipsw "$ipsw_custom.ipsw"
}

ipsw_prepare_powder2() {
    local ExtraArgs
    if [[ -e "$ipsw_custom.ipsw" ]]; then
        log "Found existing Custom IPSW. Skipping IPSW creation."
        return
    fi

    ipsw_prepare_bundle target
    ipsw_prepare_bundle base
    cp -R ../resources/firmware/src .
    if [[ $ipsw_jailbreak == 1 ]]; then
        cp ../resources/jailbreak/freeze.tar .
    fi
    if [[ $device_use_bb != 0 && $device_type != "$device_disable_bbupdate" ]]; then
        ExtraArgs+=" -bbupdate"
    fi
    if [[ $ipsw_memory == 1 ]]; then
        ExtraArgs+=" -memory"
    fi
    log "Preparing custom IPSW: $dir/powdersn0w $ipsw_path.ipsw temp.ipsw -base $ipsw_base_path.ipsw $ExtraArgs"
    "$dir/powdersn0w" "$ipsw_path.ipsw" temp.ipsw -base "$ipsw_base_path.ipsw" $ExtraArgs

    if [[ ! -e temp.ipsw ]]; then
        error "Failed to find custom IPSW. Please run the script again" \
        "* You may try selecting N for memory option"
    fi

    mv temp.ipsw "$ipsw_custom.ipsw"
}

ipsw_prepare_custom() {
    local comps=("RestoreRamdisk" "iBoot" "iBSS" "Kernelcache" "LLB")
    local name
    local iv
    local key
    local path
    local url
    local decrypt
    local patch="../resources/patch/24Kpwn/$device_type/$device_target_vers"
    local RootSize

    if [[ -e "$ipsw_custom.ipsw" ]]; then
        log "Found existing Custom IPSW. Skipping IPSW creation."
        return
    fi

    if [[ $device_target_vers == "5"* ]]; then
        comps+=("iBEC")
    fi

    ipsw_extract
    device_fw_key_check
    url=$(cat "$device_fw_dir/$device_target_build/url" 2>/dev/null)
    for getcomp in "${comps[@]}"; do
        name=$(echo $device_fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .filename')
        iv=$(echo $device_fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .iv')
        key=$(echo $device_fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .key')
        case $getcomp in
            "iBSS" | "iBEC" ) path="Firmware/dfu/";;
            "iBoot" | "LLB" ) path="Firmware/all_flash/all_flash.${device_model}ap.production/";;
            * ) path="";;
        esac
        if [[ -n $iv && -n $key ]]; then
            decrypt="-iv $iv -k $key"
        fi

        log "$getcomp"
        cp "$ipsw_path/${path}$name" .
        mv $name $name.orig
        if [[ $getcomp == "iBoot" || $getcomp == "LLB" ]]; then
            $bspatch $name.orig $name $patch/$name.patch
        else
            "$dir/xpwntool" $name.orig $name.dec $decrypt
            if [[ $getcomp == "RestoreRamdisk" ]]; then
                cp $name.dec Ramdisk.raw
            fi
            $bspatch $name.dec $name.patched $patch/$name.patch
            if [[ $getcomp == "Kernelcache" ]]; then
                "$dir/xpwntool" $name.patched $name -t $name.orig $decrypt
            else
                "$dir/xpwntool" $name.patched $name -t $name.orig
            fi
        fi
        cp $name "$ipsw_path/$path"
    done

    log "Getting RootFS information"
    "$dir/hfsplus" Ramdisk.raw extract usr/local/share/restore/options.$device_model.plist
    if [[ ! -s options.$device_model.plist ]]; then
        rm options.$device_model.plist
        "$dir/hfsplus" Ramdisk.raw extract usr/local/share/restore/options.plist
        mv options.plist options.$device_model.plist
    fi
    if [[ $device_target_vers == "3.1.3" ]]; then
        case $device_type in
            iPod2,1 ) RootSize=450;;
            iPhone2,1 ) RootSize=530;;
        esac
    elif [[ $platform == "macos" ]]; then
        plutil -extract 'SystemPartitionSize' xml1 options.$device_model.plist -o size
        RootSize=$(cat size | sed -ne '/<integer>/,/<\/integer>/p' | sed -e "s/<integer>//" | sed "s/<\/integer>//" | sed '2d')
    else
        RootSize=$(cat options.$device_model.plist | grep -i SystemPartitionSize -A 1 | grep -oPm1 "(?<=<integer>)[^<]+")
    fi
    RootSize=$((RootSize+30))
    RootSize=$((RootSize*1024*1024))
    local RootName=$(echo "$device_fw_key" | $jq -j '.keys[] | select(.image == "RootFS") | .filename')
    local RootKey=$(echo "$device_fw_key" | $jq -j '.keys[] | select(.image == "RootFS") | .key')
    log "RootFS Name: $RootName"
    log "RootFS Key: $RootKey"
    log "RootFS Size: $RootSize"
    log "Copying RootFS"
    cp "$ipsw_path/$RootName" .
    log "Decrypting RootFS"
    "$dir/dmg" extract $RootName out.dmg -k $RootKey
    "$dir/hfsplus" out.dmg grow $RootSize
    if [[ $ipsw_jailbreak == 1 ]]; then
        log "Extracting Cydia"
        "$dir/hfsplus" out.dmg untar ../resources/jailbreak/freeze.tar
        case $device_target_vers in
            "3.1.3" | "4.0" ) "$dir/hfsplus" out.dmg add ../resources/jailbreak/fstab_old private/etc/fstab;;
            * ) "$dir/hfsplus" out.dmg untar ../resources/jailbreak/unthredeh4il.tar;;
        esac
    fi
    rm $RootName
    log "Building RootFS"
    "$dir/dmg" build out.dmg $RootName
    cp $RootName "$ipsw_path"

    log "Building IPSW"
    mv "$ipsw_path" "$ipsw_custom"
    pushd "$ipsw_custom"
    rm BuildManifest.plist
    zip -r0 ../tmp/temp.ipsw *
    popd

    if [[ ! -e temp.ipsw ]]; then
        error "Failed to find custom IPSW. Please run the script again"
    fi

    mv temp.ipsw "$ipsw_custom.ipsw"
}

ipsw_extract() {
    local ExtraArgs
    local ipsw="$ipsw_path"
    if [[ $1 == "custom" ]]; then
        ipsw="$ipsw_custom"
    elif [[ $1 == "no_rootfs" ]]; then
        ExtraArgs="-x $2"
    fi
    if [[ ! -d "$ipsw" ]]; then
        mkdir "$ipsw"
        log "Extracting IPSW: $ipsw.ipsw"
        unzip -o "$ipsw.ipsw" -d "$ipsw/" $ExtraArgs
    fi
}

restore_download_bbsep() {
    # download and check manifest, baseband, and sep to be used for restoring
    # sets variables: restore_manifest, restore_baseband, restore_sep
    local build_id
    local baseband_sha1
    if [[ $device_latest_vers == "$device_use_vers" || $device_target_vers == "10"* ]]; then
        build_id="$device_use_build"
        restore_baseband="$device_use_bb"
        baseband_sha1="$device_use_bb_sha1"
    else
        build_id="$device_latest_build"
        restore_baseband="$device_latest_bb"
        baseband_sha1="$device_latest_bb_sha1"
    fi

    mkdir tmp
    # BuildManifest
    if [[ ! -e ../saved/$device_type/$build_id.plist ]]; then
        if [[ $device_proc == 7 && $device_target_vers == "10"* ]]; then
            cp ../resources/manifest/BuildManifest_${device_type}_10.3.3.plist $build_id.plist
        else
            log "Downloading $build_id BuildManifest"
            "$dir/partialzip" "$(cat $device_fw_dir/$build_id/url)" BuildManifest.plist $build_id.plist
        fi
        mv $build_id.plist ../saved/$device_type
    fi
    cp ../saved/$device_type/$build_id.plist tmp/BuildManifest.plist
    if [[ $? != 0 ]]; then
        rm ../saved/$device_type/$build_id.plist
        error "An error occurred copying manifest. Please run the script again"
    fi
    log "Manifest: ../saved/$device_type/$build_id.plist"
    restore_manifest="tmp/BuildManifest.plist"

    # Baseband
    if [[ $restore_baseband != 0 ]]; then
        if [[ -e ../saved/baseband/$restore_baseband ]]; then
            if [[ $baseband_sha1 != "$($sha1sum ../saved/baseband/$restore_baseband | awk '{print $1}')" ]]; then
                rm ../saved/baseband/$restore_baseband
            fi
        fi
        if [[ ! -e ../saved/baseband/$restore_baseband ]]; then
            log "Downloading $build_id Baseband"
            "$dir/partialzip" "$(cat $device_fw_dir/$build_id/url)" Firmware/$restore_baseband $restore_baseband
            if [[ $baseband_sha1 != "$($sha1sum $restore_baseband | awk '{print $1}')" ]]; then
                error "Downloading/verifying baseband failed. Please run the script again"
            fi
            mv $restore_baseband ../saved/baseband/
        fi
        cp ../saved/baseband/$restore_baseband tmp/bbfw.tmp
        if [[ $? != 0 ]]; then
            rm ../saved/baseband/$restore_baseband
            error "An error occurred copying baseband. Please run the script again"
        fi
        log "Baseband: ../saved/baseband/$restore_baseband"
        restore_baseband="tmp/bbfw.tmp"
    fi

    # SEP
    if (( device_proc >= 7 )); then
        restore_sep="sep-firmware.$device_model.RELEASE"
        if [[ ! -e ../saved/$device_type/$restore_sep-$build_id.im4p ]]; then
            log "Downloading $build_id SEP"
            "$dir/partialzip" "$(cat $device_fw_dir/$build_id/url)" Firmware/all_flash/$restore_sep.im4p $restore_sep.im4p
            mv $restore_sep.im4p ../saved/$device_type/$restore_sep-$build_id.im4p
        fi
        restore_sep="$restore_sep-$build_id.im4p"
        cp ../saved/$device_type/$restore_sep .
        if [[ $? != 0 ]]; then
            rm ../saved/$device_type/$restore_sep
            error "An error occurred copying SEP. Please run the script again"
        fi
        log "SEP: ../saved/$device_type/$restore_sep"
    fi
}

restore_idevicerestore() {
    local ExtraArgs="-e -w"
    local idevicerestore2="$idevicerestore"
    local re

    mkdir shsh
    cp "$shsh_path" shsh/$device_ecid-$device_type-$device_target_vers.shsh
    if [[ $device_use_bb == 0 ]]; then
        log "Device $device_type has no baseband/disabled baseband update"
    elif [[ $device_proc != 4 ]]; then
        restore_download_bbsep
        ExtraArgs="-r"
        idevicerestore2="$idevicererestore"
        re="re"
        cp shsh/$device_ecid-$device_type-$device_target_vers.shsh shsh/$device_ecid-$device_type-$device_target_vers-$device_target_build.shsh # remove this if i get my fork of idevicererestore compiled on macos
    fi
    ipsw_extract custom
    if [[ $device_type == "iPad2"* && $device_target_vers == "4.3"* ]]; then
        ExtraArgs="-e"
        log "Sending iBEC..."
        $irecovery -f $ipsw_custom/Firmware/dfu/iBEC.${device_model}ap.RELEASE.dfu
        device_find_mode Recovery
    fi
    if [[ $debug_mode == 1 ]]; then
        ExtraArgs+=" -d"
    fi

    log "Running idevicere${re}store with command: $idevicerestore2 $ExtraArgs \"$ipsw_custom.ipsw\""
    $idevicerestore2 $ExtraArgs "$ipsw_custom.ipsw"
    echo
    log "Restoring done! Read the message below if any error has occurred:"
    if [[ $platform == "windows" ]]; then
        print "* Windows users may encounter errors like \"Unable to send APTicket\" or \"Unable to send iBEC\" in the restore process."
        print "* Follow the troubleshoting link for steps to attempt fixing this issue."
        print "* Troubleshooting link: https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/Troubleshooting#windows"
    elif [[ $platform == "linux" && $device_target_vers == "4"* ]]; then
        print "* For device activation on Linux, go to: Other Utilities -> Attempt Activation"
    fi
    print "* Please read the \"Troubleshooting\" wiki page in GitHub before opening any issue!"
    print "* Your problem may have already been addressed within the wiki page."
    print "* If opening an issue in GitHub, please provide a FULL log/output. Otherwise, your issue may be dismissed."
}

restore_futurerestore() {
    local ExtraArgs=()
    local futurerestore2="$futurerestore"
    local mac_ver=0
    local port=8888

    if (( device_proc < 7 )); then
        if [[ $platform == "macos" ]]; then
            mac_ver=$(echo "$platform_ver" | cut -c -2)
        fi
        # local server for firmware keys
        pushd ../resources >/dev/null
        if [[ $platform == "macos" ]] && (( mac_ver < 12 )); then
            # python2 SimpleHTTPServer for macos 11 and older
            /usr/bin/python -m SimpleHTTPServer $port &
            httpserver_pid=$!
        else
            # python3 http.server for the rest
            if [[ -z $(which python3) ]]; then
                error "Python 3 is not installed, cannot continue. Make sure to have python3 installed."
            fi
            $(which python3) -m http.server $port &
            httpserver_pid=$!
        fi
        popd >/dev/null
    fi

    restore_download_bbsep
    # baseband args
    if [[ $restore_baseband == 0 ]]; then
        ExtraArgs+=("--no-baseband")
    else
        ExtraArgs+=("-b" "$restore_baseband" "-p" "$restore_manifest")
    fi
    if [[ -n $restore_sep ]]; then
        # sep args for 64bit
        ExtraArgs+=("-s" "$restore_sep" "-m" "$restore_manifest")
    fi
    if [[ -n "$1" ]]; then
        # custom arg, either --use-pwndfu or --skip-blob
        ExtraArgs+=("$1")
    fi
    if [[ $debug_mode == 1 ]]; then
        ExtraArgs+=("-d")
    fi
    if (( device_proc < 7 )); then
        futurerestore2+="_old"
    else
        futurerestore2+="_new"
    fi
    if [[ $platform == "macos" && $device_target_other != 1 &&
          $device_target_vers == "10.3.3" && $device_proc == 7 ]]; then
        ipsw_path="$ipsw_custom"
    fi
    ExtraArgs+=("-t" "$shsh_path" "$ipsw_path.ipsw")
    ipsw_extract

    log "Running futurerestore with command: $futurerestore2 ${ExtraArgs[*]}"
    $futurerestore2 "${ExtraArgs[@]}"
    log "Restoring done! Read the message below if any error has occurred:"
    print "* Please read the \"Troubleshooting\" wiki page in GitHub before opening any issue!"
    print "* Your problem may have already been addressed within the wiki page."
    print "* If opening an issue in GitHub, please provide a FULL log/output. Otherwise, your issue may be dismissed."
    kill $httpserver_pid
}

restore_latest() {
    local ExtraArgs="-e"
    if [[ $1 == "custom" ]]; then
        ExtraArgs+="c"
        ipsw_path="$ipsw_custom"
        ipsw_extract custom
    else
        ipsw_extract
    fi
    log "Running idevicerestore with command: $idevicerestore $ExtraArgs \"$ipsw_path.ipsw\""
    $idevicerestore $ExtraArgs "$ipsw_path.ipsw"
    if [[ $1 == "custom" ]]; then
        log "Restoring done! Read the message below if any error has occurred:"
        if [[ $platform == "windows" ]]; then
            print "* Windows users may encounter errors like \"Unable to send APTicket\" or \"Unable to send iBEC\" in the restore process."
            print "* Follow the troubleshoting link for steps to attempt fixing this issue."
            print "* Troubleshooting link: https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/Troubleshooting#windows"
        fi
        print "* Please read the \"Troubleshooting\" wiki page in GitHub before opening any issue!"
        print "* Your problem may have already been addressed within the wiki page."
        print "* If opening an issue in GitHub, please provide a FULL log/output. Otherwise, your issue may be dismissed."
    fi
    if [[ $platform == "linux" && $device_target_vers == "4"* ]]; then
        print "* For device activation on Linux, go to: Other Utilities -> Attempt Activation"
    fi
}

restore_prepare_1033() {
    device_enter_mode pwnDFU
    local attempt=1

    shsh_save
    if [[ $device_type == "iPad4,4" || $device_type == "iPad4,5" ]]; then
        iBSS=$iBSSb
        iBEC=$iBECb
    fi
    $irecovery -f $iBSS.im4p
    sleep 2
    while (( attempt < 5 )); do
        log "Entering pwnREC mode... (Attempt $attempt)"
        log "Sending iBSS..."
        $irecovery -f $iBSS.im4p
        sleep 2
        log "Sending iBEC..."
        $irecovery -f $iBEC.im4p
        sleep 5
        device_find_mode Recovery 1
        if [[ $? == 0 ]]; then
            break
        fi
        print "* You may also try to unplug and replug your device"
        ((attempt++))
    done

    if (( attempt >= 5 )); then
        error "Failed to enter pwnREC mode. You may have to force restart your device and start over entering pwnDFU mode again"
    fi
    shsh_save apnonce $($irecovery -q | grep "NONC" | cut -c 7-)
}

restore_prepare() {
    case $device_proc in
        4 )
            if [[ $device_target_other == 1 ]]; then
                if [[ $device_target_vers == "3"* || $device_target_vers == "4"* ]]; then
                    ipsw_custom="../${device_type}_${device_target_vers}_${device_target_build}_Restore"
                fi
                device_enter_mode pwnDFU
                restore_idevicerestore
                if [[ $device_target_vers == "3"* || $device_target_vers == "4"* ]] && [[ $device_type == "iPhone"* ]]; then
                    log "Ignore the baseband error and do not disconnect your device yet"
                    device_find_mode Recovery
                    log "Attempting to exit recovery mode"
                    $irecovery -n
                    log "Done, your device should boot now"
                fi
            elif [[ $device_target_vers == "4.1" ]]; then
                device_enter_mode DFU
                restore_latest
                if [[ $device_type == "iPhone2,1" ]]; then
                    log "Ignore the baseband error and do not disconnect your device yet"
                    device_find_mode Recovery
                    log "Attempting to exit recovery mode"
                    $irecovery -n
                    log "Done, your device should boot now"
                fi
            elif [[ $device_target_vers == "$device_latest_vers" ]]; then
                if [[ $ipsw_jailbreak == 1 ]]; then
                    shsh_save version $device_latest_vers
                    device_enter_mode kDFU
                    restore_idevicerestore
                else
                    restore_latest
                fi
            elif [[ $device_type == "iPhone2,1" || $device_type == "iPod2,1" ]]; then
                device_enter_mode pwnDFU
                restore_latest custom
                if [[ $device_type == "iPhone2,1" ]]; then
                    print "* If the restore succeeded but the device does not boot:"
                    print "* Go to: Other Utiltiies -> Install alloc8 Exploit"
                fi
                if [[ $device_target_vers == "3"* ]]; then
                    print "* For device activation on Linux, go to: Other Utilities -> Attempt Activation"
                fi
            else
                # powdersn0w 4.3.x-6.1.3
                shsh_save version 7.1.2
                device_enter_mode pwnDFU
                restore_idevicerestore
            fi
        ;;

        [56] )
            # 32-bit devices A5/A6
            if [[ $device_target_other != 1 && $device_target_powder != 1 ]]; then
                shsh_save
            fi
            if [[ $device_target_vers == "$device_latest_vers" ]]; then
                restore_latest
            elif [[ $ipsw_jailbreak == 1 || -e "$ipsw_custom.ipsw" ]]; then
                device_enter_mode kDFU
                restore_idevicerestore
            else
                device_enter_mode kDFU
                restore_futurerestore --use-pwndfu
            fi
        ;;

        [78] )
            if [[ $device_target_other != 1 && $device_target_vers == "10.3.3" ]]; then
                # A7 devices 10.3.3
                local opt="--skip-blob"
                restore_prepare_1033
                if [[ $platform == "macos" ]]; then
                    opt=
                fi
                restore_futurerestore $opt
            elif [[ $device_target_vers == "$device_latest_vers" ]]; then
                restore_latest
            else
                # 64-bit devices A7/A8
                print "* Make sure to set the nonce generator of your device!"
                print "* For iOS 10 and older: https://github.com/tihmstar/futurerestore#how-to-use"
                print "* For iOS 11 and newer: https://github.com/futurerestore/futurerestore/#method"
                print "* Also check the SEP/BB Compatibility Chart (Legacy iOS 12 sheet): https://docs.google.com/spreadsheets/d/1Mb1UNm6g3yvdQD67M413GYSaJ4uoNhLgpkc7YKi3LBs"
                pause
                restore_futurerestore
            fi
        ;;
    esac
}

ipsw_prepare() {
    case $device_proc in
        4 )
            if [[ $device_target_other == 1 ]]; then
                ipsw_prepare_32bit
            elif [[ $device_target_vers == "$device_latest_vers" ]] ||
                 [[ $device_target_vers == "4.1" ]]; then
                if [[ $ipsw_jailbreak == 1 ]]; then
                    ipsw_prepare_32bit
                fi
            elif [[ $device_type == "iPhone2,1" || $device_type == "iPod2,1" ]]; then
                ipsw_prepare_custom
            else
                # powdersn0w 4.3.x-6.1.3
                if [[ $device_target_vers == "4.3"* ]]; then
                    shsh_save version 7.1.2
                fi
                ipsw_prepare_powder
            fi
        ;;

        [56] )
            # 32-bit devices A5/A6
            if [[ $device_target_powder == 1 ]]; then
                ipsw_prepare_powder2
            elif [[ $ipsw_jailbreak == 1 ]]; then
                ipsw_prepare_jailbreak
            else
                ipsw_prepare_32bit
            fi
        ;;

        7 )
            if [[ $device_target_other != 1 && $device_target_vers == "10.3.3" ]]; then
                # A7 devices 10.3.3
                ipsw_prepare_1033
            fi
        ;;
    esac
}

device_remove4() {
    local rec
    local selected
    input "Select option:"
    select opt in "Disable exploit" "Enable exploit" "Go Back"; do
        selected="$opt"
        break
    done
    case $selected in
        "Disable exploit" ) rec=0;;
        "Enable exploit" ) rec=2;;
        * ) return;;
    esac

    if [[ ! -e ../saved/$device_type/iBSS_8L1.dfu ]]; then
        log "Downloading 8L1 iBSS..."
        "$dir/partialzip" $(cat $device_fw_dir/8L1/url) Firmware/dfu/iBSS.n90ap.RELEASE.dfu iBSS_8L1.dfu
        cp iBSS_8L1.dfu ../saved/$device_type
    else
        cp ../saved/$device_type/iBSS_8L1.dfu .
    fi

    device_enter_mode pwnDFU
    log "Patching iBSS..."
    $bspatch iBSS_8L1.dfu pwnediBSS ../resources/patch/iBSS.n90ap.8L1.patch
    log "Sending iBSS..."
    $irecovery -f pwnediBSS
    sleep 5
    log "Running commands..."
    $irecovery -c "setenv boot-partition $rec"
    $irecovery -c "saveenv"
    $irecovery -c "setenv auto-boot true"
    $irecovery -c "saveenv"
    $irecovery -c "reset"
    log "Done!"
    print "* If disabling the exploit did not work and the device is still in recovery mode screen after restore:"
    print "* You may try another method for clearing NVRAM. See the \"Troubleshooting\" wiki page for more details"
    print "* Troubleshooting link: https://github.com/LukeZGD/Legacy-iOS-Kit/wiki/Troubleshooting#clearing-nvram"
}

device_ramdisk() {
    local comps=("iBSS" "iBEC" "RestoreRamdisk" "DeviceTree" "AppleLogo" "Kernelcache")
    local name
    local iv
    local key
    local path
    local url

    case $device_type in
        iPod2,1 ) device_target_build="8C148";;
        iPod3,1 | iPad1,1 ) device_target_build="9B206";;
        iPhone2,1 | iPod4,1 ) device_target_build="10B500";;
        iPhone5,3 ) device_target_build="11B511";;
        iPhone5,4 ) device_target_build="11B651";;
        * ) device_target_build="10B329";;
    esac
    if [[ -n $device_ramdisk_build ]]; then
        device_target_build=$device_ramdisk_build
    fi
    device_fw_key_check
    url=$(cat "$device_fw_dir/$device_target_build/url" 2>/dev/null)
    if [[ -z $url ]]; then
        log "Getting URL for $device_type-$device_target_build"
        url=$(curl https://api.ipsw.me/v2.1/$device_type/$device_target_build/url)
    fi
    mkdir ../saved/$device_type/ramdisk 2>/dev/null
    for getcomp in "${comps[@]}"; do
        name=$(echo $device_fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .filename')
        iv=$(echo $device_fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .iv')
        key=$(echo $device_fw_key | $jq -j '.keys[] | select(.image | startswith("'$getcomp'")) | .key')
        case $getcomp in
            "iBSS" | "iBEC" ) path="Firmware/dfu/";;
            "DeviceTree" | "AppleLogo" ) path="Firmware/all_flash/all_flash.${device_model}ap.production/";;
            * ) path="";;
        esac

        log "$getcomp"
        if [[ -e ../saved/$device_type/ramdisk/$name ]]; then
            cp ../saved/$device_type/ramdisk/$name .
        else
            "$dir/partialzip" "$url" "${path}$name" "$name"
            cp $name ../saved/$device_type/ramdisk/
        fi
        mv $name $getcomp.orig
        "$dir/xpwntool" $getcomp.orig $getcomp.dec -iv $iv -k $key -decrypt
    done

    log "Patch RestoreRamdisk"
    "$dir/xpwntool" RestoreRamdisk.dec Ramdisk.raw
    "$dir/hfsplus" Ramdisk.raw grow 30000000
    "$dir/hfsplus" Ramdisk.raw untar ../resources/ssh.tar
    "$dir/xpwntool" Ramdisk.raw Ramdisk.dmg -t RestoreRamdisk.dec

    log "Patch iBSS"
    "$dir/xpwntool" iBSS.dec iBSS.raw
    "$dir/iBoot32Patcher" iBSS.raw iBSS.patched --rsa
    "$dir/xpwntool" iBSS.patched iBSS -t iBSS.dec

    log "Patch iBEC"
    "$dir/xpwntool" iBEC.dec iBEC.raw
    "$dir/iBoot32Patcher" iBEC.raw iBEC.patched --rsa --debug -b "rd=md0 -v amfi=0xff cs_enforcement_disable=1"
    "$dir/xpwntool" iBEC.patched iBEC -t iBEC.dec

    mv iBSS iBEC AppleLogo.dec DeviceTree.dec Kernelcache.dec Ramdisk.dmg ../saved/$device_type/ramdisk

    device_enter_mode kDFU
    log "Sending iBSS..."
    $irecovery -f ../saved/$device_type/ramdisk/iBSS
    if [[ $device_target_build == "8"* ]]; then
        mv Kernelcache.dec Kernelcache0.dec
        $bspatch Kernelcache0.dec Kernelcache.dec ../resources/patch/kernelcache.release.$device_model.patch
    else
        sleep 2
        log "Sending iBEC..."
        $irecovery -f ../saved/$device_type/ramdisk/iBEC
    fi
    device_find_mode Recovery

    log "Booting, please wait..."
    $irecovery -f ../saved/$device_type/ramdisk/DeviceTree.dec
    $irecovery -c devicetree
    $irecovery -f ../saved/$device_type/ramdisk/Ramdisk.dmg
    $irecovery -c ramdisk
    $irecovery -f ../saved/$device_type/ramdisk/Kernelcache.dec
    $irecovery -c bootx
    sleep 20

    case $1 in
        "nvram" )
            log "Running iproxy for SSH..."
            $iproxy 2222 22 >/dev/null &
            iproxy_pid=$!
            sleep 2
            device_sshpass alpine
            log "Sending commands for clearing NVRAM..."
            $ssh -p 2222 root@127.0.0.1 "nvram -c; reboot_bak"
            log "Done! Your device should reboot now."
            print "* If the device did not connect, SSH to the device manually."
            kill $iproxy_pid
        ;;
        * ) log "Device should now be in SSH ramdisk mode.";;
    esac
    echo
    print "* To access SSH ramdisk, run iproxy first:"
    print "    iproxy 2222 22"
    print "* Then SSH to 127.0.0.1 port 2222:"
    print "    ssh -p 2222 -oHostKeyAlgorithms=+ssh-rsa root@127.0.0.1"
    print "* Enter root password:"
    print "   alpine"
    print "* Mount filesystems with this command:"
    print "    mount.sh"
    print "* Clear NVRAM with this command:"
    print "    nvram -c"
    print "* To reboot, use this command:"
    print "    reboot_bak"
}

shsh_save_onboard() {
    if [[ $platform == "windows" ]]; then
        print "* Saving onboard SHSH is not tested on Windows"
        print "* It is recommended to do this on Linux/macOS instead"
        print "* You may also need iTunes 12.4.3 or older for shshdump to work"
        pause
    fi
    device_enter_mode kDFU
    if [[ $device_proc == 4 ]]; then
        patch_ibss
        log "Sending iBSS..."
        $irecovery -f pwnediBSS
        sleep 5
    fi
    patch_ibec
    log "Sending iBEC..."
    $irecovery -f pwnediBEC
    device_find_mode Recovery
    log "Dumping blobs now"
    if [[ $platform == "windows" ]]; then
        "$dir/shshdump"
    else
        (echo -e "/send ../resources/payload\ngo blobs\n/exit") | $irecovery2 -s
        $irecovery2 -g dump.shsh
        $irecovery -n
    fi
    "$dir/ticket" dump.shsh dump.plist "$ipsw_path.ipsw" -z
    "$dir/validate" dump.plist "$ipsw_path.ipsw" -z
    if [[ $? != 0 ]]; then
        warn "Saved SHSH blobs might be invalid. Did you select the correct IPSW?"
    fi
    if [[ ! -s dump.plist ]]; then
        warn "Saving onboard SHSH blobs failed."
        if [[ -s dump.shsh ]]; then
            mv dump.shsh ../saved/myblob-rawdump_$device_ecid-$device_type-$device_target_vers.dump
            log "Raw dump saved at: ../saved/myblob-rawdump_$device_ecid-$device_type-$device_target_vers.dump"
        fi
        return
    fi
    mv dump.plist ../saved/shsh/$device_ecid-$device_type-$device_target_vers.shsh
    log "Successfully saved $device_target_vers blobs: saved/shsh/$device_ecid-$device_type-$device_target_vers.shsh"
}

shsh_save_cydia() {
    local json=$(curl "https://firmware-keys.ipsw.me/device/$device_type")
    local len=$(echo "$json" | $jq length)
    local builds=()
    local i=0
    while (( i < len )); do
        builds+=($(echo "$json" | $jq -r ".[$i].buildid"))
        ((i++))
    done
    for build in ${builds[@]}; do
        if [[ $build == "10"* && $build != "10B329" && $build != "10B350" ]]; then
            continue
        fi
        printf "\n$build "
        "$dir/tsschecker" -d $device_type -e $device_ecid --server-url "http://cydia.saurik.com/TSS/controller?action=2/" -s -g 0x1111111111111111 --buildid $build >/dev/null
        if [[ $(ls *$build* 2>/dev/null) ]]; then
            printf "saved"
            mv $(ls *$build*) ../saved/shsh/$device_ecid-$device_type-$build.shsh
        else
            printf "failed"
        fi
    done
    echo
}

menu_print_info() {
    if [[ $debug_mode != 1 ]]; then
        clear
    fi
    print " *** Legacy iOS Kit ***"
    print " - Script by LukeZGD -"
    echo
    if [[ -n $version_current ]]; then
        print "* Version: $version_current ($git_hash)"
    fi
    if [[ $no_version_check == 1 ]]; then
        warn "No version check flag detected, update check is disabled and no support will be provided."
    fi
    if [[ $version_latest != "$version_current" ]]; then
        warn "Current version is newer/different than remote: $version_latest ($git_hash_latest)"
    fi
    print "* Platform: $platform ($platform_ver) $live_cdusb_r"
    if [[ $platform == "windows" ]]; then
        warn "Using Legacy iOS Kit on Windows is not recommended."
        print "* iTunes version: $itunes_ver"
    fi
    echo
    print "* Device: $device_type (${device_model}ap) in $device_mode mode"
    print "* iOS Version: $device_vers"
    print "* ECID: $device_ecid"
    echo
}

menu_main() {
    local menu_items
    local selected
    local back
    while [[ -z "$mode" ]]; do
        menu_items=()
        menu_print_info
        print " > Main Menu"
        input "Select an option:"
        if [[ $device_mode != "none" ]]; then
            menu_items+=("Restore/Downgrade")
        fi
        menu_items+=("Save SHSH Blobs" "Other Utilities" "Exit")
        select opt in "${menu_items[@]}"; do
            selected="$opt"
            break
        done
        case $selected in
            "Restore/Downgrade" ) menu_restore;;
            "Save SHSH Blobs" ) menu_shsh;;
            "Other Utilities" ) menu_other;;
            "Exit" ) mode="exit";;
        esac
    done
}

menu_shsh() {
    local menu_items
    local selected
    local back

    device_target_vers=
    device_target_build=
    while [[ -z "$mode" && -z "$back" ]]; do
        menu_items=()
        case $device_type in
            iPad4,[12345] | iPhone6,[12] )
                menu_items+=("iOS 10.3.3");;
            iPad2,[1234567] | iPad3,[123456] | iPhone4,1 | iPhone5,[12] | iPod5,1 )
                menu_items+=("iOS 8.4.1");;&
            iPad2,[123] | iPhone4,1 )
                menu_items+=("iOS 6.1.3");;
        esac
        if (( device_proc < 7 )); then
            if [[ $device_mode != "none" ]]; then
                menu_items+=("Onboard Blobs")
            fi
            menu_items+=("Cydia Blobs")
        fi
        menu_items+=("Go Back")
        menu_print_info
        print " > Main Menu > Save SHSH Blobs"
        input "Select an option:"
        select opt in "${menu_items[@]}"; do
            selected="$opt"
            break
        done
        case $selected in
            "iOS 10.3.3" )
                device_target_vers="10.3.3"
                device_target_build="14G60"
            ;;&

            "iOS 8.4.1" )
                device_target_vers="8.4.1"
                device_target_build="12H321"
            ;;&

            "iOS 6.1.3" )
                device_target_vers="6.1.3"
                device_target_build="10B329"
            ;;&

            "iOS"* ) mode="save-ota-blobs";;
            "Onboard Blobs" ) menu_shsh_onboard;;
            "Cydia Blobs" ) mode="save-cydia-blobs";;
            "Go Back" ) back=1;;
        esac
    done
}

menu_shsh_onboard() {
    local menu_items
    local selected
    local back

    ipsw_path=
    while [[ -z "$mode" && -z "$back" ]]; do
        menu_items=("Select IPSW")
        menu_print_info
        if [[ -n $ipsw_path ]]; then
            print "* Selected IPSW: $ipsw_path.ipsw"
            print "* IPSW Version: $device_target_vers-$device_target_build"
            if [[ $device_mode == "Normal" && $device_target_vers != "$device_vers" ]]; then
                warn "Selected IPSW does not seem to match the current version."
            fi
            menu_items+=("Save Onboard Blobs")
        else
            print "* Select IPSW of your current iOS version to continue"
        fi
        menu_items+=("Go Back")
        echo
        print " > Main Menu > Save SHSH Blobs > Onboard Blobs"
        input "Select an option:"
        select opt in "${menu_items[@]}"; do
            selected="$opt"
            break
        done
        case $selected in
            "Select IPSW" ) menu_ipsw_browse;;
            "Save Onboard Blobs" ) mode="save-onboard-blobs";;
            "Go Back" ) back=1;;
        esac
    done
}


menu_restore() {
    local menu_items
    local selected
    local back

    while [[ -z "$mode" && -z "$back" ]]; do
        menu_items=()
        case $device_type in
            iPad4,[12345] | iPhone6,[12] )
                menu_items+=("iOS 10.3.3");;
            iPad2,[1234567] | iPad3,[123456] | iPhone4,1 | iPhone5,[12] | iPod5,1 )
                menu_items+=("iOS 8.4.1");;&
            iPad2,[123] | iPhone4,1 )
                menu_items+=("iOS 6.1.3");;&
            iPhone3,1 )
                menu_items+=("powdersn0w (any iOS)");;
            iPhone4,1 | iPhone5,[12] | iPad2,4 | iPod5,1 )
                menu_items+=("Other (powdersn0w 7.1.x blobs)");;
            iPhone2,1 )
                menu_items+=("iOS 5.1.1" "iOS 4.3.3");;&
            iPhone2,1 | iPod2,1 | iPod3,1 )
                menu_items+=("iOS 4.1");;&
            iPhone2,1 )
                menu_items+=("iOS 4.0" "iPhoneOS 3.1.3");;
            iPod2,1 )
                if [[ $device_newbr == 0 ]]; then
                    menu_items+=("iOS 4.0")
                fi
                menu_items+=("iPhoneOS 3.1.3")
            ;;
        esac
        menu_items+=("Latest iOS ($device_latest_vers)" "Other (use SHSH blobs)" "Go Back")
        menu_print_info
        if [[ $1 == "ipsw" ]]; then
            print " > Main Menu > Other Utilities > Create Custom IPSW"
        else
            print " > Main Menu > Restore/Downgrade"
        fi
        input "Select an option:"
        select opt in "${menu_items[@]}"; do
            selected="$opt"
            break
        done
        case $selected in
            "" ) :;;
            "Go Back" ) back=1;;
            * ) menu_ipsw "$selected" "$1";;
        esac
    done
}

menu_ipsw() {
    local menu_items
    local selected
    local back
    local newpath
    local nav
    local start

    if [[ $2 == "ipsw" ]]; then
        nav=" > Main Menu > Other Utilities > Create Custom IPSW > $1"
        start="Create IPSW"
    else
        nav=" > Main Menu > Restore/Downgrade > $1"
        start="Start Restore"
    fi

    ipsw_path=
    ipsw_base_path=
    shsh_path=
    device_target_vers=
    device_target_build=
    device_base_vers=
    device_base_build=

    while [[ -z "$mode" && -z "$back" ]]; do
        case $1 in
            "iOS 10.3.3" )
                device_target_vers="10.3.3"
                device_target_build="14G60"
            ;;
            "iOS 8.4.1" )
                device_target_vers="8.4.1"
                device_target_build="12H321"
            ;;
            "iOS 6.1.3" )
                device_target_vers="6.1.3"
                device_target_build="10B329"
            ;;
            "iOS 5.1.1" )
                device_target_vers="5.1.1"
                device_target_build="9B206"
            ;;
            "iOS 4.3.3" )
                device_target_vers="4.3.3"
                device_target_build="8J2"
            ;;
            "iOS 4.1" )
                device_target_vers="4.1"
                device_target_build="8B117"
            ;;
            "iOS 4.0" )
                device_target_vers="4.0"
                device_target_build="8A293"
            ;;
            "iPhoneOS 3.1.3" )
                device_target_vers="3.1.3"
                device_target_build="7E18"
            ;;
            "Latest iOS"* )
                device_target_vers="$device_latest_vers"
                device_target_build="$device_latest_build"
            ;;
        esac
        if [[ $device_target_vers == "$device_latest_vers" ]]; then
            case $device_type in
                iPad3,[456]    ) newpath="iPad_32bit";;
                iPad4,[123456] ) newpath="iPad_64bit";;
                iPad4,[789]    ) newpath="iPad_64bit_TouchID";;
                iPhone5,[1234] ) newpath="iPhone_4.0_32bit";;
                iPhone6,[12]   ) newpath="iPhone_4.0_64bit";;
                iPhone7,1      ) newpath="iPhone_5.5";;
                iPhone7,2      ) newpath="iPhone_4.7";;
                iPod7,1        ) newpath="iPodtouch";;
                * ) newpath="${device_type}";;
            esac
            newpath+="_${device_target_vers}_${device_target_build}_Restore"

        else
            case $device_type in
                iPad4,[12345] ) newpath="iPad_64bit";;
                iPhone6,[12]  ) newpath="iPhone_4.0_64bit";;
                * ) newpath="${device_type}";;
            esac
            newpath+="_${device_target_vers}_${device_target_build}"
            ipsw_custom_set $newpath
            newpath+="_Restore"
        fi
        if [[ -n $device_target_vers && -e "../$newpath.ipsw" ]]; then
            ipsw_verify "../$newpath" "$device_target_build" nopause
            if [[ $? == 0 ]]; then
                ipsw_path="../$newpath"
            fi
        fi

        menu_items=("Select Target IPSW")
        menu_print_info
        if [[ $1 == *"powdersn0w"* ]]; then
            menu_items+=("Select Base IPSW")
            if [[ -n $ipsw_path ]]; then
                print "* Selected Target IPSW: $ipsw_path.ipsw"
                print "* Target Version: $device_target_vers-$device_target_build"
            else
                print "* Select Target IPSW to continue"
                case $device_type in
                    iPhone3,1 ) print "* Any iOS version from 4.3 to 6.1.3 is supported";;
                    iPhone5,[12] | iPod5,1 ) print "* Any iOS version from 6.0 to 9.3.5 is supported (not iOS 7)";;
                    iPad2,4 ) print "* Any iOS version from 5.1 to 9.3.5 is supported (not iOS 7)";;
                    * ) print "* Any iOS version from 5.0 to 9.3.5 is supported (not iOS 7)";;
                esac
            fi
            echo
            local text2="(iOS 7.1.x)"
            if [[ $device_type == "iPhone3,1" ]]; then
                text2="(iOS 7.1.2)"
            fi
            if [[ -n $ipsw_base_path ]]; then
                print "* Selected Base $text2 IPSW: $ipsw_base_path.ipsw"
                print "* Base Version: $device_base_vers-$device_base_build"
                if [[ $device_type != "iPhone3,1" ]]; then
                    menu_items+=("Select Base SHSH")
                fi
            else
                print "* Select Base $text2 IPSW to continue"
            fi
            if [[ $device_type == "iPhone3,1" ]]; then
                shsh_path=1
            else
                echo
                if [[ -n $shsh_path ]]; then
                    print "* Selected Base $text2 SHSH: $shsh_path"
                elif [[ $2 != "ipsw" ]]; then
                    print "* Select Base $text2 SHSH to continue"
                fi
            fi
            if [[ -n $ipsw_path && -n $ipsw_base_path ]] && [[ -n $shsh_path || $2 == "ipsw" ]]; then
                menu_items+=("$start")
            fi

        elif [[ $1 == "Other"* ]]; then
            # menu for other (shsh) restores
            if [[ -n $ipsw_path ]]; then
                print "* Selected Target IPSW: $ipsw_path.ipsw"
                print "* Target Version: $device_target_vers-$device_target_build"
                menu_items+=("Select Target SHSH")
            else
                print "* Select Target IPSW to continue"
            fi
            if [[ -n $shsh_path ]]; then
                echo
                print "* Selected Target SHSH: $shsh_path"
            elif [[ $2 != "ipsw" ]]; then
                echo
                print "* Select Target SHSH to continue"
            fi
            if [[ -n $ipsw_path ]] && [[ -n $shsh_path || $2 == "ipsw" ]]; then
                menu_items+=("$start")
            fi

        else
            # menu for ota/latest versions
            menu_items+=("Download Target IPSW")
            if [[ -n $ipsw_path ]]; then
                print "* Selected IPSW: $ipsw_path.ipsw"
                menu_items+=("$start")
            else
                print "* Select $1 IPSW to continue"
            fi
        fi
        echo
        menu_items+=("Go Back")

        print "$nav"
        input "Select an option:"
        select opt in "${menu_items[@]}"; do
            selected="$opt"
            break
        done
        case $selected in
            "Start Restore" | "Create IPSW" )
                if [[ $1 == "Other (use SHSH blobs)" ]]; then
                    device_target_other=1
                elif [[ $1 == *"powdersn0w"* ]]; then
                    device_target_powder=1
                fi
            ;;&

            "Start Restore" ) mode="downgrade";;
            "Create IPSW" ) mode="custom-ipsw";;
            "Select Target IPSW" ) menu_ipsw_browse "$1";;
            "Select Base IPSW" ) menu_ipsw_browse "base";;
            "Select Target SHSH" ) menu_shsh_browse "$1";;
            "Select Base SHSH" ) menu_shsh_browse "base";;
            "Download Target IPSW" ) ipsw_download "../$newpath";;
            "Go Back" ) back=1;;
        esac
    done
}

ipsw_version_set() {
    local newpath="$1"
    local vers
    local build

    log "Getting version from IPSW"
    unzip -o -j "$newpath.ipsw" Restore.plist -d .
    if [[ $platform == "macos" ]]; then
        rm -f BuildVer Version
        plutil -extract 'ProductVersion' xml1 Restore.plist -o Version
        vers=$(cat Version | sed -ne '/<string>/,/<\/string>/p' | sed -e "s/<string>//" | sed "s/<\/string>//" | sed '2d')
        plutil -extract 'ProductBuildVersion' xml1 Restore.plist -o BuildVer
        build=$(cat BuildVer | sed -ne '/<string>/,/<\/string>/p' | sed -e "s/<string>//" | sed "s/<\/string>//" | sed '2d')
    else
        vers=$(cat Restore.plist | grep -i ProductVersion -A 1 | grep -oPm1 "(?<=<string>)[^<]+")
        build=$(cat Restore.plist | grep -i ProductBuildVersion -A 1 | grep -oPm1 "(?<=<string>)[^<]+")
    fi

    if [[ $2 == "base" ]]; then
        device_base_vers="$vers"
        device_base_build="$build"
    else
        device_target_vers="$vers"
        device_target_build="$build"
    fi
}

ipsw_custom_set() {
    ipsw_custom="../${device_type}_${device_target_vers}_${device_target_build}_Custom"
    if [[ -n $1 ]]; then
        ipsw_custom="../$1_Custom"
    fi
    if [[ $device_target_powder == 1 ]]; then
        ipsw_custom+="P"
    fi
    if [[ $ipsw_jailbreak == 1 ]]; then
        ipsw_custom+="JB"
    fi
    if [[ $device_type == "$device_disable_bbupdate" ]]; then
        device_use_bb=0
        ipsw_custom+="B"
    fi
    case $ipsw_jailbreak_tool in
        "daibutsu" ) ipsw_custom+="D";;
        "etasonjb" ) ipsw_custom+="E";;
    esac
    if [[ $ipsw_verbose == 1 ]]; then
        ipsw_custom+="V"
    fi
    if [[ $device_target_vers == "4.3"* && $device_type == "iPhone3,1" ]]; then
        ipsw_custom+="_$device_ecid"
    fi
}

menu_ipsw_browse() {
    local versionc
    local newpath
    local text="target"
    [[ $1 == "base" ]] && text="base"

    input "Select your $text IPSW file in the file selection window."
    newpath="$($zenity --file-selection --file-filter='IPSW | *.ipsw' --title="Select $text IPSW file")"
    [[ ! -s "$newpath" ]] && read -p "$(input "Enter path to $text IPSW file (or press Ctrl+C to cancel): ")" newpath
    [[ ! -s "$newpath" ]] && return
    newpath="${newpath%?????}"
    log "Selected IPSW file: $newpath.ipsw"
    ipsw_version_set "$newpath" "$1"
    if [[ $(cat Restore.plist | grep -c $device_type) == 0 ]]; then
        log "Selected IPSW is not for your device $device_type."
        pause
        return
    fi
    case $1 in
        "iOS 10.3.3" ) versionc="10.3.3";;
        "iOS 8.4.1" ) versionc="8.4.1";;
        "iOS 6.1.3" ) versionc="6.1.3";;
        "iOS 5.1.1" ) versionc="5.1.1";;
        "iOS 4.3.3" ) versionc="4.3.3";;
        "iOS 4.1" ) versionc="4.1";;
        "iOS 4.0" ) versionc="4.0";;
        "iPhoneOS 3.1.3" ) versionc="3.1.3";;
        "Latest iOS"* ) versionc="$device_latest_vers";;
        "base" )
            if [[ $device_base_vers != "7.1"* ]]; then
                log "Selected IPSW is not for iOS 7.1.x."
                pause
                return
            fi
            ipsw_verify "$newpath" "$device_base_build"
            ipsw_base_path="$newpath"
            return
        ;;
        *"powdersn0w"* )
            case $device_target_build in
                "8A"* | "8B"* | "8C"* | "8G4" | "8H7" | "8K2" | "11"* | "14"* )
                    log "Selected IPSW ($device_target_vers) is not supported as target version."
                    print "* Supported iOS 4.3.x versions: 4.3, 4.3.3, 4.3.5"
                    pause
                    return
                ;;
            esac
        ;;
    esac
    if [[ -n $versionc && $device_target_vers != "$versionc" ]]; then
        log "Selected IPSW ($device_target_vers) does not match target version ($versionc)."
        pause
        return
    fi
    ipsw_verify "$newpath" "$device_target_build"
    if [[ -n $versionc && $? != 0 ]]; then
        return
    fi
    ipsw_path="$newpath"
}

menu_shsh_browse() {
    local newpath
    local text="target"
    [[ $1 == "base" ]] && text="base"

    input "Select your $text SHSH file in the file selection window."
    newpath="$($zenity --file-selection --file-filter='SHSH | *.shsh *.shsh2' --title="Select $text SHSH file")"
    [[ ! -s "$newpath" ]] && read -p "$(input "Enter path to $text IPSW file (or press Ctrl+C to cancel): ")" newpath
    [[ ! -s "$newpath" ]] && return
    log "Selected SHSH file: $newpath"
    log "Validating..."
    if [[ $1 == "base" ]]; then
        "$dir/validate" "$newpath" "$ipsw_base_path.ipsw" -z
        if [[ $? != 0 ]]; then
            warn "Validation failed. Did you select the correct IPSW/SHSH?"
            pause
        fi
    else
        "$dir/validate" "$newpath" "$ipsw_path.ipsw" -z
        if [[ $? != 0 ]]; then
            warn "Validation failed. Did you select the correct IPSW/SHSH?"
            pause
        fi
    fi
    shsh_path="$newpath"
}

menu_other() {
    local menu_items
    local selected
    local back

    ipsw_path=
    while [[ -z "$mode" && -z "$back" ]]; do
        menu_items=()
        if [[ $device_mode != "none" ]]; then
            if (( device_proc < 7 )); then
                if [[ $device_mode == "Normal" ]]; then
                    menu_items+=("Put Device in kDFU Mode")
                else
                    menu_items+=("Send Pwned iBSS")
                fi
                menu_items+=("SSH Ramdisk")
            fi
            case $device_type in
                iPhone3,1 ) menu_items+=("Disable/Enable Exploit");;&
                iPhone3,[123] | iPhone4,1 | iPhone5,[1234] | iPad2,4 | iPod5,1 ) menu_items+=("Clear NVRAM");;
            esac
            menu_items+=("Attempt Activation")
            if [[ $device_type == "iPhone2,1" ]]; then
                menu_items+=("Install alloc8 Exploit")
            fi
        fi
        if [[ $device_proc != 8 ]]; then
            menu_items+=("Create Custom IPSW")
        fi
        menu_items+=("(Re-)Install Dependencies" "Go Back")
        menu_print_info
        print " > Main Menu > Other Utilities"
        input "Select an option:"
        select opt in "${menu_items[@]}"; do
            selected="$opt"
            break
        done
        case $selected in
            "Create Custom IPSW" ) menu_restore ipsw;;
            "Put Device in kDFU Mode" ) mode="kdfu";;
            "Disable/Enable Exploit" ) mode="remove4";;
            "SSH Ramdisk" ) mode="ramdisk4";;
            "Clear NVRAM" ) mode="ramdisknvram";;
            "Send Pwned iBSS" ) mode="pwned-ibss";;
            "(Re-)Install Dependencies" ) install_depends;;
            "Attempt Activation" ) mode="activate";;
            "Install alloc8 Exploit" ) mode="alloc8";;
            "Go Back" ) back=1;;
        esac
    done
}

device_alloc8() {
    device_enter_mode pwnDFU
    device_ipwndfu alloc8
    log "Done!"
    print "* This may take several tries. If it fails, unplug and replug your device, then run the script again"
    print "* For more troubleshooting, go to: https://github.com/axi0mX/ipwndfu/blob/master/JAILBREAK-GUIDE.md"
}

main() {
    clear
    print " *** Legacy iOS Kit ***"
    print " - Script by LukeZGD -"
    echo

    if [[ $EUID == 0 ]]; then
        error "Running the script as root is not allowed."
    fi

    if [[ ! -d "../resources" ]]; then
        error "The resources folder cannot be found. Replace resources folder and try again." \
        "* If resources folder is present try removing spaces from path/folder name"
    fi

    set_tool_paths

    log "Checking Internet connection..."
    $ping google.com >/dev/null
    if [[ $? != 0 ]]; then
        $ping 208.67.222.222 >/dev/null
        if [[ $? != 0 ]]; then
            error "Please check your Internet connection before proceeding."
        fi
    fi

    version_check

    if [[ ! -e "../resources/firstrun" || -z $jq || -z $zenity ]] ||
       [[ $(cat "../resources/firstrun") != "$(uname)" &&
          $(cat "../resources/firstrun") != "$distro" ]]; then
        install_depends
    fi

    while [[ $mode != "exit" ]]; do
        device_get_info
        mkdir -p ../saved/baseband ../saved/$device_type ../saved/shsh

        mode=
        if [[ -z $mode ]]; then
            menu_main
        fi

        case $mode in
            "custom-ipsw" | "downgrade" )
                ipsw_preference_set
                ipsw_prepare
            ;;&

            "custom-ipsw" ) log "Done creating custom IPSW";;
            "downgrade" ) restore_prepare;;
            "save-ota-blobs" ) shsh_save;;
            "kdfu" ) device_enter_mode kDFU;;
            "remove4" ) device_remove4;;
            "ramdisk4" ) device_ramdisk;;
            "ramdisknvram" ) device_ramdisk nvram;;
            "pwned-ibss" ) device_enter_mode pwnDFU;;
            "save-onboard-blobs" ) shsh_save_onboard;;
            "save-cydia-blobs" ) shsh_save_cydia;;
            "activate" ) $ideviceactivation activate;;
            "alloc8" ) device_alloc8;;
            * ) :;;
        esac

        if [[ $mode != "exit" ]]; then
            echo
            print "* Save the terminal output now if needed, before pressing Enter/Return."
            pause
            break
        fi
    done
    echo
}

for i in "$@"; do
    case $i in
        "--no-color" ) no_color=1;;
        "--no-device" ) device_argmode="none";;
        "--entry-device" ) device_argmode="entry";;
        "--no-version-check" ) no_version_check=1;;
        "--debug" ) set -x; debug_mode=1;;
        "--help" ) display_help; exit;;
        "--ipsw-verbose" ) ipsw_verbose=1;;
        "--jailbreak" ) ipsw_jailbreak=1;;
        "--memory" ) ipsw_memory=1;;
        "--disable-bbupdate" ) device_disable_bbupdate=1;;
    esac
done

trap "clean_and_exit" EXIT
trap "exit 1" INT TERM

clean
mkdir "$(dirname "$0")/tmp"
pushd "$(dirname "$0")/tmp" >/dev/null

if [[ $no_color != 1 ]]; then
    TERM=xterm-256color # fix colors for msys2 terminal
    color_R=$(tput setaf 9)
    color_G=$(tput setaf 10)
    color_B=$(tput setaf 12)
    color_Y=$(tput setaf 11)
    color_N=$(tput sgr0)
fi

main

popd >/dev/null