| # and tries to make sure the user doesn't end up with an un-bootable␊ |
| # system due to having installed Chameleon previously elsewhere.␊ |
| ␊ |
| # Called from the Standard/postinstall and EFI/postinstall scripts␊ |
| # /Volumes/EFI should already be mounted before this is called.␊ |
| ␊ |
| # 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 partitiontable: for example, GUID_partition_scheme␊ |
| # Receives scriptDir: The location of the main script dir.␊ |
| ␊ |
| if [ "$#" -eq 6 ]; then␊ |
| if [ "$#" -eq 5 ]; then␊ |
| ␉targetDisk="$1"␊ |
| ␉targetDeviceRaw="$2"␊ |
| ␉targetDevice="$3"␊ |
| ␉installerVolume="$4"␊ |
| ␉partitiontable="$5"␊ |
| ␉scriptDir="$6"␊ |
| ␉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 partitiontable = $partitiontable"␊ |
| ␉echo "DEBUG: passed argument for scriptDir = $scriptDir"␊ |
| else␊ |
| ␉echo "Error - wrong number of values passed"␊ |
| ␉exit 9␊ |
| fi␊ |
| ␊ |
| # ===============================================␊ |
| # Functions␊ |
| # ===============================================␊ |
| mountESP()␊ |
| {␊ |
| ␉if [ "${partitiontable}" = "GUID_partition_scheme" ]; then␊ |
| ␊ |
| ␉␉# Unmount ALL mounted volumes named EFI␊ |
| ␉␉# the following script returns 0 if it succeeds␊ |
| ␉␉# the following script returns 1 if it fails to un-mount any EFI volume␊ |
| ␉␉"$scriptDir"UnMountEFIvolumes.sh "${installerVolume}" "${scriptDir}"␊ |
| ␉␉returnValue=$?␊ |
| ␉␉if [ ${returnValue} = 0 ]; then␊ |
| ␉␉␉# OK to proceed␊ |
| ␊ |
| ␉␉␉if [ ! -e "/Volumes/EFI" ]; then␊ |
| ␉␉␉␉#echo "DEBUG: Executing Command: mkdir -p ${/Volumes/EFI}"␊ |
| ␉␉␉␉mkdir -p "/Volumes/EFI"␊ |
| ␉␉␉#else␊ |
| ␉␉␉␉#echo "DEBUG: folder /Volumes/EFI already exists"␊ |
| ␉␉␉fi␊ |
| ␊ |
| ␉␉␉# Mount '/Volumes/EFI' using the correct format type␊ |
| ␉␉␉if [ "$( fstyp "${targetDisk}"s1 | grep hfs )" ]; then␊ |
| ␉␉␉␉#echo "Executing command: mount_hfs ${targetDevice} ${targetVolume}"␊ |
| ␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "Mounting ${targetDisk}s1 as /Volumes/EFI"␊ |
| ␉␉␉␉mount_hfs "${targetDisk}"s1 "/Volumes/EFI"␊ |
| ␉␉␉fi␊ |
| ␉␉␉if [ "$( fstyp "${targetDisk}"s1 | grep msdos )" ]; then␊ |
| ␉␉␉␉#echo "Executing command: mount_msdos -u 0 -g 0 ${targetDevice} ${/Volumes/EFI}"␊ |
| ␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "Mounting ${targetDisk}s1 as /Volumes/EFI"␊ |
| ␉␉␉␉mount_msdos -u 0 -g 0 "${targetDisk}"s1 "/Volumes/EFI"␊ |
| ␉␉␉fi␊ |
| ␉␉else␊ |
| ␉␉␉# quit out and notify EFI post script not to write Chameleon files.␊ |
| ␉␉␉exit 2␊ |
| ␉␉fi␊ |
| ␉fi␊ |
| }␊ |
| ␊ |
| ␊ |
| # ===============================================␊ |
| # Prepare some vars␊ |
| # ===============================================␊ |
|
| # if there is more than one partition on the disk.␊ |
| # ===============================================␊ |
| if [ $numSlices -gt 1 ]; then ␊ |
| ␊ |
| ␉#echo "DEBUG: Checking for existing Chameleon installations on ${targetDisk#/dev/}..."␊ |
| ␉"$scriptDir"InstallLog.sh "${installerVolume}" "LineBreak"␊ |
| ␉"$scriptDir"InstallLog.sh "${installerVolume}" "Checking for previous chameleon installations on ${targetDisk#/dev/}"␊ |
| ␊ |
| ␉# If a GPT is used then we are going to have the check the EFI system partition␊ |
| ␉# for the stage 2 'boot' file. As this script is called from the Main EFI␊ |
| ␉# postinstall script, so lets mount the EFI system partition here instead.␊ |
| ␊ |
| ␉# for the stage 2 'boot' file so lets mount the EFI system partition.␊ |
| ␉mountESP␊ |
| ␉␊ |
| ␉# Check the disk's MBR for existing stage 0 boot code (code from CheckDiskMicrocode.sh script)␊ |
| ␉stage0type=$( dd 2>/dev/null if="$targetDisk" count=3 bs=1 skip=105 | xxd | awk '{print $2$3}' )␊ |
| ␉if [ "${stage0type}" == "0a803c" ] || [ "${stage0type}" == "ee7505" ] || [ "${stage0type}" == "742b80" ]; then␊ |
| ␉␉(( stagesFound++ ))␊ |
| ␉␉stage0type=2␊ |
| ␉elif [ "${stage0type}" == "0b807c" ]; then␊ |
| ␉␉(( stagesFound++ ))␊ |
| ␉␉stage0type=1␊ |
| ␉fi␊ |
| ␉␊ |
| ␉#Scan all partitions for Chameleon code␊ |
| ␉for (( i=1; i <= $numSlices; i++ ));␊ |
| ␉do␊ |
| ␉␉stagesFound=0␊ |
| ␉␉stage0type=0␊ |
| ␉␉stage1Existence="NONE"␊ |
| ␉␉stage2Existence=0␊ |
| ␉␉targetDiskRaw=$targetDiskRawNoSlice$i␊ |
| ␉␉␊ |
| ␉␉# Check for existing stage 0 boot file (code from CheckDiskMicrocode.sh script)␊ |
| ␉␉stage0type=$( dd 2>/dev/null if="$targetDisk" count=3 bs=1 skip=105 | xxd | awk '{print $2$3}' )␊ |
| ␉␉if [ "${stage0type}" == "0a803c" ] || [ "${stage0type}" == "ee7505" ] || [ "${stage0type}" == "742b80" ]; then␊ |
| ␉␉␉#echo "DEBUG: stage 0 (hfs) loader found on $targetDisk"␊ |
| ␉␉␉(( stagesFound++ ))␊ |
| ␉␉␉stage0type=2␊ |
| ␉␉elif [ "${stage0type}" == "0b807c" ]; then␊ |
| ␉␉␉#echo "DEBUG: stage 0 (active) loader found on $targetDisk"␊ |
| ␉␉␉(( stagesFound++ ))␊ |
| ␉␉␉stage0type=1␊ |
| ␉␉fi␊ |
| ␉␉␉␊ |
| ␉␉␉␉␉␊ |
| ␉␉# Check for existence of a bootable partition boot sector containing either boot1h or boot1f32␊ |
| ␉␉boot1Search=$( 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␊ |
| ␉␉␉(( stagesFound++ ))␊ |
| ␉␉␉stage1Existence="boot1h"␊ |
| ␉␉elif [ "${boot1Search:0:4}" == "e962" ] && [ "${boot1Search:180:12}" == "424f4f542020" ] && [ "${boot1Search:1020:2}" == "55" ]; then␊ |
| ␉␉␉#echo "DEBUG: boot1f32 found on "$targetDiskRaw␊ |
| ␉␉␉(( stagesFound++ ))␊ |
| ␉␉␉stage1Existence="boot1f32"␊ |
| ␉␉fi␊ |
|
| ␉␉# Check for existing stage 2 boot file.␊ |
| ␉␉# Include checking the EFI system partition if it exists and is mounted.␊ |
| ␉␉if [ -e "$( df | grep ${targetDisk}s${i} | awk '{ print $6 }' )"/boot ]; then␊ |
| ␉␉␉#echo "DEBUG: boot found on $targetDiskRaw"␊ |
| ␉␉␉(( stagesFound++ ))␊ |
| ␉␉␉stage2Existence=1␊ |
| ␉␉fi␊ |
|
| ␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "${message}"␊ |
| ␉␉␉fi␊ |
| ␉␉␉␊ |
| ␉␉␉␊ |
| ␉␉␉# User could see 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.␊ |
|
| ␉␉␉if [ $stagesFound == 2 ] && [ $stage2Existence == 0 ]; then␊ |
| ␉␉␉␉# Exisitng boot0 and boot1 only found - missing boot␊ |
| ␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "INFO: Found $stage1Existence installed to ${targetDisk}s${i}"␊ |
| ␉␉␉␉␉␉␊ |
| ␉␉␉␉␉␉␉␊ |
| ␉␉␉␉# stage0type=2 is used to know if 'A' is true.␊ |
| ␉␉␉␉if [ $stage0type == 2 ]; then␊ |
| ␉␉␉␉␉# i = current slice we're checking, slicenumber = slice trying to install to.␊ |
|
| ---"␊ |
| ␉␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "${message}"␊ |
| ␉␉␉␉␉␉␊ |
| ␉␉␉␉␉␉# /Volumes/EFI needs unmounting before changing partition boot sector␊ |
| ␉␉␉␉␉␉if [ $i == 1 ]; then␊ |
| ␉␉␉␉␉␉␉umount /Volumes/EFI␊ |
| ␉␉␉␉␉␉fi␊ |
| ␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| ␉␉␉␉␉␉if [ "$( fstyp "${targetDisk}"s1 | grep hfs )" ]; then␊ |
| ␉␉␉␉␉␉␉#echo "DEBUG: HFS - changing byte 1FEh to 00"␊ |
| ␉␉␉␉␉␉␉dd if=${targetDisk}s${i} count=2 bs=512 of=originalBootSector␊ |
| ␉␉␉␉␉␉␉cp originalBootSector newBootSector␊ |
| ␉␉␉␉␉␉␉dd if="patch" of=newBootSector bs=1 count=1 seek=510 conv=notrunc␊ |
| ␉␉␉␉␉␉␉dd if=newBootSector of=${targetDisk}s${i} count=2 bs=510␊ |
| ␉␉␉␉␉␉␉if [ "$( fstyp "${targetDisk}"s1 | grep hfs )" ]; then␊ |
| ␉␉␉␉␉␉␉␉#echo "DEBUG: HFS - changing byte 1FEh to 00"␊ |
| ␉␉␉␉␉␉␉␉dd if=${targetDisk}s${i} count=2 bs=512 of=originalBootSector␊ |
| ␉␉␉␉␉␉␉␉cp originalBootSector newBootSector␊ |
| ␉␉␉␉␉␉␉␉dd if="patch" of=newBootSector bs=1 count=1 seek=510 conv=notrunc␊ |
| ␉␉␉␉␉␉␉␉dd if=newBootSector of=${targetDisk}s${i} count=2 bs=510␊ |
| ␉␉␉␉␉␉␉fi␊ |
| ␉␉␉␉␉␉␉if [ "$( fstyp "${targetDisk}"s1 | grep msdos )" ]; then␊ |
| ␉␉␉␉␉␉␉␉#echo "DEBUG: MSDOS - changing byte 1FEh to 00"␊ |
| ␉␉␉␉␉␉␉␉dd if=${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␊ |
| ␉␉␉␉␉␉␉fi␊ |
| ␉␉␉␉␉␉␊ |
| ␉␉␉␉␉␉␉# /Volumes/EFI needs re-mounting so EFI/postinstall script can use it.␊ |
| ␉␉␉␉␉␉␉# Don't check for a GPT as wouldn't have got here if it wasn't␊ |
| ␉␉␉␉␉␉␉"$scriptDir"MountESP.sh "${targetDisk}" "${installerVolume}" "${scriptDir}"␊ |
| ␉␉␉␉␉␉fi␊ |
| ␉␉␉␉␉␉if [ "$( fstyp "${targetDisk}"s1 | grep msdos )" ]; then␊ |
| ␉␉␉␉␉␉␉#echo "DEBUG: MSDOS - changing byte 1FEh to 00"␊ |
| ␉␉␉␉␉␉␉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${i} count=1 bs=512␊ |
| ␉␉␉␉␉␉fi␊ |
| ␉␉␉␉␉␉␊ |
| ␉␉␉␉␉␉mountESP␊ |
| ␉␉␉␉␉␉␊ |
| ␉␉␉␉␉else␊ |
| ␉␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "INFO: but won't interfere as you're installing to an earlier partition."␊ |
| ␉␉␉␉␉fi␊ |
