| 1 | #!/bin/bash␊ |
| 2 | ␊ |
| 3 | echo "==============================================="␊ |
| 4 | echo "Check Previous Chameleon: Will there be problems?"␊ |
| 5 | echo "***********************************************"␊ |
| 6 | ␊ |
| 7 | # Checks the selected volume is present and the disk is partitioned␊ |
| 8 | # Now also check for another existing Chameleon installation on the same disk.␊ |
| 9 | ␊ |
| 10 | # Receives targetDisk: for example, /dev/disk3.␊ |
| 11 | # Receives targetDeviceRaw: for example, /dev/rdisk3s1.␊ |
| 12 | # Receives targetDevice: Stores device number, for example /dev/disk2s1.␊ |
| 13 | # Receives installerVolume: Volume to write the installer log to.␊ |
| 14 | # Receives scriptDir: The location of the main script dir.␊ |
| 15 | ␊ |
| 16 | if [ "$#" -eq 5 ]; then␊ |
| 17 | ␉targetDisk="$1"␊ |
| 18 | ␉targetDeviceRaw="$2"␊ |
| 19 | ␉targetDevice="$3"␊ |
| 20 | ␉installerVolume="$4"␊ |
| 21 | ␉scriptDir="$5"␊ |
| 22 | ␉echo "DEBUG: passed argument for targetDisk = $targetDisk"␊ |
| 23 | ␉echo "DEBUG: passed argument for targetDeviceRaw = $targetDeviceRaw"␊ |
| 24 | ␉echo "DEBUG: passed argument for targetDevice = $targetDevice"␊ |
| 25 | ␉echo "DEBUG: passed argument for installerVolume = $installerVolume"␊ |
| 26 | ␉echo "DEBUG: passed argument for scriptDir = $scriptDir"␊ |
| 27 | else␊ |
| 28 | ␉echo "Error - wrong number of values passed"␊ |
| 29 | ␉exit 9␊ |
| 30 | fi␊ |
| 31 | ␊ |
| 32 | ␊ |
| 33 | # Check for existing Chameleon installations on a different␊ |
| 34 | # partition of the same target disk.␊ |
| 35 | #echo "DEBUG: Checking for existing Chameleon installations on ${targetDisk#/dev/}..."␊ |
| 36 | ␊ |
| 37 | sliceNumber=$( echo ${targetDeviceRaw#*disk*s} )␊ |
| 38 | # strip slice from end␊ |
| 39 | targetDiskRawNoSlice=$( echo ${targetDeviceRaw%$sliceNumber} )␊ |
| 40 | ␊ |
| 41 | # Are there any other partitions on the disk?␊ |
| 42 | # How many actual partitions are there?␊ |
| 43 | numSlices=$(( $( diskutil list | grep $( echo ${targetDisk#/dev/} ) | sed -n '$=' ) -2 ))␊ |
| 44 | ␊ |
| 45 | # Only check the disk for Chameleon installations if there is more than one partition.␊ |
| 46 | if [ $numSlices -gt 1 ]; then ␊ |
| 47 | ␉␉␊ |
| 48 | ␉#Scan all partitions for Chameleon code␊ |
| 49 | ␉for (( i=1; i <= $numSlices; i++ ));␊ |
| 50 | ␉do␊ |
| 51 | ␉␉stageExistence=0␊ |
| 52 | ␉␉stage0FirstBootable=0␊ |
| 53 | ␉␉previousExistence="NONE"␊ |
| 54 | ␉␉targetDiskRaw=$targetDiskRawNoSlice$i␊ |
| 55 | ␊ |
| 56 | ␉␉# Check for existing stage 0 boot file (same code as CheckDiskMicrocode.sh script)␊ |
| 57 | ␉␉stage0type=$( dd 2>/dev/null if="$targetDisk" count=3 bs=1 skip=105 | xxd | awk '{print $2$3}' )␊ |
| 58 | ␉␉if [ "${stage0type}" == "0b807c" ] || [ "${stage0type}" == "0a803c" ] || [ "${stage0type}" == "ee7505" ] || [ "${stage0type}" == "742b80" ]; then␊ |
| 59 | ␉␉␉#echo "DEBUG: boot0 found on $targetDisk"␊ |
| 60 | ␉␉␉(( stageExistence++ ))␊ |
| 61 | ␉␉␉␊ |
| 62 | ␉␉␉# While here, check just for either existing boot0hfs, boot0md or boot0md (dmazar's boot0workV2)␊ |
| 63 | ␉␉␉if [ "${stage0type}" == "0a803c" ] || [ "${stage0type}" == "ee7505" ] || [ "${stage0type}" == "742b80" ]; then␊ |
| 64 | ␉␉␉␉stage0FirstBootable=1␊ |
| 65 | ␉␉␉fi␊ |
| 66 | ␉␉fi␊ |
| 67 | ␉␉␉␊ |
| 68 | ␉␉# Check for existence of a bootable partition boot sector containing either boot1h or boot1f32␊ |
| 69 | ␉␉boot1Search=$( dd 2>/dev/null if="$targetDiskRaw" count=1 | perl -ne '@a=split"";for(@a){printf"%02x",ord}' )␊ |
| 70 | ␉␉if [ "${boot1Search:0:16}" == "fa31c08ed0bcf0ff" ] && [ "${boot1Search:1020:2}" == "55" ]; then␊ |
| 71 | ␉␉␉#echo "DEBUG: boot1h found on "$targetDiskRaw␊ |
| 72 | ␉␉␉(( stageExistence++ ))␊ |
| 73 | ␉␉␉previousExistence="boot1"␊ |
| 74 | ␉␉elif [ "${boot1Search:0:4}" == "e962" ] && [ "${boot1Search:180:12}" == "424f4f542020" ] && [ "${boot1Search:1020:2}" == "55" ]; then␊ |
| 75 | ␉␉␉#echo "DEBUG: boot1f32 found on "$targetDiskRaw␊ |
| 76 | ␉␉␉(( stageExistence++ ))␊ |
| 77 | ␉␉␉previousExistence="boot1f32"␊ |
| 78 | ␉␉fi␊ |
| 79 | ␉␉␊ |
| 80 | ␉␉# Check for existing stage 2 boot file also␊ |
| 81 | ␉␉# NOTE: This will fail to find /boot on /Volumes/EFI as it won't be mounted!␊ |
| 82 | ␉␉if [ -e "$( df | grep ${targetDisk}s${i} | awk '{ print $6 }' )"/boot ]; then␊ |
| 83 | ␉␉␉#echo "DEBUG: boot found on $targetDiskRaw"␊ |
| 84 | ␉␉␉(( stageExistence++ ))␊ |
| 85 | ␉␉fi␊ |
| 86 | ␉␉␊ |
| 87 | ␉␉#if [ $stageExistence == 3 ] && [ $i -ne $sliceNumber ]; then␊ |
| 88 | ␉␉␉#echo "DEBUG: STOP: There is already an existing Chameleon installation on $targetDiskRaw"␊ |
| 89 | ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "STOP: There is already an existing Chameleon installation on $targetDiskRaw."␊ |
| 90 | ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: This is allowed and does work as long as you aren't dual booting Windows"␊ |
| 91 | ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: from the same disk and are happy to control which partition is used by"␊ |
| 92 | ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: flagging the required partition active. General use doesn't require two"␊ |
| 93 | ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: Chameleon installs on the same disk, though might be done by advanced users."␊ |
| 94 | ␉␉␉#"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: If you still want to do this then proceed by installing Chameleon manually."␊ |
| 95 | ␉␉␉#exit 1␊ |
| 96 | ␉␉#fi␊ |
| 97 | ␉␉␉␊ |
| 98 | ␉␉if [ $stageExistence -ge 2 ] && [ "$previousExistence" != "NONE" ] && [ $i -ne $sliceNumber ]; then␊ |
| 99 | ␉␉␉# There is previous Chameleon stage 1 code on a partition boot sector,␊ |
| 100 | ␉␉␉# and either a complete or incomplete installation (ie. boot0 or boot are missing).␊ |
| 101 | ␉␉␉if [ $stageExistence == 3 ]; then␊ |
| 102 | ␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "WARN: There is already an existing Chameleon installation on $targetDiskRaw."␊ |
| 103 | ␉␉␉else␊ |
| 104 | ␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: $previousExistence already exists at ${targetDisk}s${i}"␊ |
| 105 | ␉␉␉fi␊ |
| 106 | ␉␉␉␊ |
| 107 | ␉␉␉# This could prove problematic and result in either a b1f:error or boot0:error ␊ |
| 108 | ␉␉␉# if the following conditions are true:␊ |
| 109 | ␉␉␉# A) Boot0hfs, Boot0md or Boot0md (dmazar's Boot0workV2) is being used.␊ |
| 110 | ␉␉␉# B) The previous stage 1 code is on a lower partiton than the one being installed to now.␊ |
| 111 | ␉␉␉␉␉␉␊ |
| 112 | ␉␉␉# stage0FirstBootable=1 is used to know if 'A' is true.␊ |
| 113 | ␉␉␉if [ $stage0FirstBootable == 1 ]; then␊ |
| 114 | ␉␉␉␉# i = current slice we're checking, slicenumber = slice trying to install to.␊ |
| 115 | ␉␉␉␉if [ $i -lt $sliceNumber ]; then␊ |
| 116 | ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "WARN: Conditions point to you receiving a boot failure"␊ |
| 117 | ␉␉␉␉␉# Fix by making previous paritionboot sector un-bootable␊ |
| 118 | ␉␉␉␉␉# Change Byte 01FExh to 00 (510 decimal)␊ |
| 119 | ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "---"␊ |
| 120 | ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "FIX: Make ${targetDisk}s${i} boot sector un-bootable by changing byte 1FEh to 00."␊ |
| 121 | ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: Any Extra folder you had there will still be there. If you want to use"␊ |
| 122 | ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: ${targetDisk}s${i} again as your boot partition then re-run this installer"␊ |
| 123 | ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: selecting it as the target, ONLY choosing the 'Chameleon Bootloader' option"␊ |
| 124 | ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: and NONE of the other options."␊ |
| 125 | ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "---"␊ |
| 126 | ␉␉␉␉␉dd if=${targetDisk}s${i} count=1 bs=512 of=/tmp/originalBootSector␊ |
| 127 | ␉␉␉␉␉cp /tmp/originalBootSector /tmp/newBootSector␊ |
| 128 | ␉␉␉␉␉dd if="$scriptDir/patch" of=/tmp/newBootSector bs=1 count=1 seek=510 conv=notrunc␊ |
| 129 | ␉␉␉␉␉dd if=/tmp/newBootSector of=${targetDisk}s${i} count=1 bs=512␊ |
| 130 | ␉␉␉␉else␊ |
| 131 | ␉␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: but won't interfere as you're installing to an earlier partition."␊ |
| 132 | ␉␉␉␉fi␊ |
| 133 | ␉␉␉else␊ |
| 134 | ␉␉␉␉"$scriptDir"InstallLog.sh "${installerVolume}" "NOTE: so select to boot that partition (if used) with active flag."␊ |
| 135 | ␉␉␉fi␊ |
| 136 | ␉␉fi␊ |
| 137 | ␉done␊ |
| 138 | ␊ |
| 139 | #else␊ |
| 140 | ␉#echo "DEBUG: Just one slice"␊ |
| 141 | fi␊ |
| 142 | ␊ |
| 143 | exit 0 |
