#!/bin/bash␊ |
␊ |
echo "==============================================="␊ |
echo "Check Previous Chameleon: Will there be problems?"␊ |
echo "***********************************************"␊ |
␊ |
# Checks the selected volume is present and the disk is partitioned␊ |
# Now also check for another existing Chameleon installation on the same disk.␊ |
␊ |
# Receives targetDisk: for example, /dev/disk3.␊ |
# Receives targetDeviceRaw: for example, /dev/rdisk3s1.␊ |
# Receives targetDevice: Stores device number, for example /dev/disk2s1.␊ |
# Receives installerVolume: Volume to write the installer log to.␊ |
# Receives scriptDir: The location of the main script dir.␊ |
␊ |
if [ "$#" -eq 5 ]; then␊ |
␉targetDisk="$1"␊ |
␉targetDeviceRaw="$2"␊ |
␉targetDevice="$3"␊ |
␉installerVolume="$4"␊ |
␉scriptDir="$5"␊ |
␉echo "DEBUG: passed argument for targetDisk = $targetDisk"␊ |
␉echo "DEBUG: passed argument for targetDeviceRaw = $targetDeviceRaw"␊ |
␉echo "DEBUG: passed argument for targetDevice = $targetDevice"␊ |
␉echo "DEBUG: passed argument for installerVolume = $installerVolume"␊ |
␉echo "DEBUG: passed argument for scriptDir = $scriptDir"␊ |
else␊ |
␉echo "Error - wrong number of values passed"␊ |
␉exit 9␊ |
fi␊ |
␊ |
␊ |
# Check for existing Chameleon installations on a different␊ |
# partition of the same target disk.␊ |
#echo "DEBUG: Checking for existing Chameleon installations on ${targetDisk#/dev/}..."␊ |
␊ |
sliceNumber=$( echo ${targetDeviceRaw#*disk*s} )␊ |
# strip slice from end␊ |
targetDiskRawNoSlice=$( echo ${targetDeviceRaw%$sliceNumber} )␊ |
␊ |
# Are there any other partitions on the disk?␊ |
# How many actual partitions are there?␊ |
numSlices=$(( $( diskutil list | grep $( echo ${targetDisk#/dev/} ) | sed -n '$=' ) -2 ))␊ |
␊ |
# Only check the disk for Chameleon installations if there is more than one partition.␊ |
if [ $numSlices -gt 1 ]; then ␊ |
␉␉␊ |
␉#Scan all partitions for Chameleon code␊ |
␉for (( i=1; i <= $numSlices; i++ ));␊ |
␉do␊ |
␉␉stageExistence=0␊ |
␉␉stage0FirstBootable=0␊ |
␉␉previousExistence="NONE"␊ |
␉␉targetDiskRaw=$targetDiskRawNoSlice$i␊ |
␊ |
␉␉# Check for existing stage 0 boot file (same code as CheckDiskMicrocode.sh script)␊ |
␉␉stage0type=$( dd 2>/dev/null if="$targetDisk" count=3 bs=1 skip=105 | xxd | awk '{print $2$3}' )␊ |
␉␉if [ "${stage0type}" == "0b807c" ] || [ "${stage0type}" == "0a803c" ] || [ "${stage0type}" == "ee7505" ] || [ "${stage0type}" == "742b80" ]; then␊ |
␉␉␉#echo "DEBUG: boot0 found on $targetDisk"␊ |
␉␉␉(( stageExistence++ ))␊ |
␉␉␉␊ |
␉␉␉# While here, check just for either existing boot0hfs, boot0md or boot0md (dmazar's boot0workV2)␊ |
␉␉␉if [ "${stage0type}" == "0a803c" ] || [ "${stage0type}" == "ee7505" ] || [ "${stage0type}" == "742b80" ]; then␊ |
␉␉␉␉stage0FirstBootable=1␊ |
␉␉␉fi␊ |
␉␉fi␊ |
␉␉␉␊ |
␉␉# Check for existence of a bootable partition boot sector containing either boot1h or boot1f32␊ |
␉␉boot1Search=$( dd 2>/dev/null if="$targetDiskRaw" count=1 | perl -ne '@a=split"";for(@a){printf"%02x",ord}' )␊ |
␉␉if [ "${boot1Search:0:16}" == "fa31c08ed0bcf0ff" ] && [ "${boot1Search:1020:2}" == "55" ]; then␊ |
␉␉␉#echo "DEBUG: boot1h found on "$targetDiskRaw␊ |
␉␉␉(( stageExistence++ ))␊ |
␉␉␉previousExistence="boot1"␊ |
␉␉elif [ "${boot1Search:0:4}" == "e962" ] && [ "${boot1Search:180:12}" == "424f4f542020" ] && [ "${boot1Search:1020:2}" == "55" ]; then␊ |
␉␉␉#echo "DEBUG: boot1f32 found on "$targetDiskRaw␊ |
␉␉␉(( stageExistence++ ))␊ |
␉␉␉previousExistence="boot1f32"␊ |
␉␉fi␊ |
␉␉␊ |
␉␉# Check for existing stage 2 boot file also␊ |
␉␉# NOTE: This will fail to find /boot on /Volumes/EFI as it won't be mounted!␊ |
␉␉if [ -e "$( df | grep ${targetDisk}s${i} | awk '{ print $6 }' )"/boot ]; then␊ |
␉␉␉#echo "DEBUG: boot found on $targetDiskRaw"␊ |
␉␉␉(( stageExistence++ ))␊ |
␉␉fi␊ |
␉␉␊ |
␉␉#if [ $stageExistence == 3 ] && [ $i -ne $sliceNumber ]; then␊ |
␉␉␉#echo "DEBUG: STOP: There is already an existing Chameleon installation on $targetDiskRaw"␊ |
␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "STOP: There is already an existing Chameleon installation on $targetDiskRaw."␊ |
␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: This is allowed and does work as long as you aren't dual booting Windows"␊ |
␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: from the same disk and are happy to control which partition is used by"␊ |
␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: flagging the required partition active. General use doesn't require two"␊ |
␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: Chameleon installs on the same disk, though might be done by advanced users."␊ |
␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: If you still want to do this then proceed by installing Chameleon manually."␊ |
␉␉␉#exit 1␊ |
␉␉#fi␊ |
␉␉␉␊ |
␉␉if [ $stageExistence -ge 2 ] && [ "$previousExistence" != "NONE" ] && [ $i -ne $sliceNumber ]; then␊ |
␉␉␉# There is previous Chameleon stage 1 code on a partition boot sector,␊ |
␉␉␉# and either a complete or incomplete installation (ie. boot0 or boot are missing).␊ |
␉␉␉if [ $stageExistence == 3 ]; then␊ |
␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "WARN: There is already an existing Chameleon installation on $targetDiskRaw."␊ |
␉␉␉else␊ |
␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: $previousExistence already exists at ${targetDisk}s${i}"␊ |
␉␉␉fi␊ |
␉␉␉␊ |
␉␉␉# This could prove problematic and result in either a b1f:error or boot0:error ␊ |
␉␉␉# if the following conditions are true:␊ |
␉␉␉# A) Boot0hfs, Boot0md or Boot0md (dmazar's Boot0workV2) is being used.␊ |
␉␉␉# B) The previous stage 1 code is on a lower partiton than the one being installed to now.␊ |
␉␉␉␉␉␉␊ |
␉␉␉# stage0FirstBootable=1 is used to know if 'A' is true.␊ |
␉␉␉if [ $stage0FirstBootable == 1 ]; then␊ |
␉␉␉␉# i = current slice we're checking, slicenumber = slice trying to install to.␊ |
␉␉␉␉if [ $i -lt $sliceNumber ]; then␊ |
␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "WARN: Conditions point to you receiving a boot failure"␊ |
␉␉␉␉␉# Fix by making previous paritionboot sector un-bootable␊ |
␉␉␉␉␉# Change Byte 01FExh to 00 (510 decimal)␊ |
␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "---"␊ |
␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "FIX: Make ${targetDisk}s${i} boot sector un-bootable by changing byte 1FEh to 00."␊ |
␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: Any Extra folder you had there will still be there. If you want to use"␊ |
␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: ${targetDisk}s${i} again as your boot partition then re-run this installer"␊ |
␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: selecting it as the target, ONLY choosing the 'Chameleon Bootloader' option"␊ |
␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: and NONE of the other options."␊ |
␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "---"␊ |
␉␉␉␉␉dd if=${targetDisk}s${i} count=1 bs=512 of=/tmp/originalBootSector␊ |
␉␉␉␉␉cp /tmp/originalBootSector /tmp/newBootSector␊ |
␉␉␉␉␉dd if="$scriptDir/patch" of=/tmp/newBootSector bs=1 count=1 seek=510 conv=notrunc␊ |
␉␉␉␉␉dd if=/tmp/newBootSector of=${targetDisk}s${i} count=1 bs=512␊ |
␉␉␉␉else␊ |
␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: but won't interfere as you're installing to an earlier partition."␊ |
␉␉␉␉fi␊ |
␉␉␉else␊ |
␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: so select to boot that partition (if used) with active flag."␊ |
␉␉␉fi␊ |
␉␉fi␊ |
␉done␊ |
␊ |
#else␊ |
␉#echo "DEBUG: Just one slice"␊ |
fi␊ |
␊ |
exit 0 |