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Only use binaries/libs in /system

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topjohnwu
2017-06-16 04:08:34 +08:00
parent 561c1fb798
commit a90e8b6112
2 changed files with 63 additions and 66 deletions
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69
scripts/boot_patch.sh
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@ -42,16 +42,24 @@ fi
# Detect whether running as root
[ `id -u` -eq 0 ] && ROOT=true || ROOT=false
# Prefer binaries and libs in /system
ENV='LD_LIBRARY_PATH=/system/lib:/vendor/lib:/sbin PATH=/system/bin:/system/xbin:/sbin'
[ -d /system/lib64 ] && ENV='LD_LIBRARY_PATH=/system/lib64:/vendor/lib64:/sbin PATH=/system/bin:/system/xbin:/sbin'
# Call ui_print_wrap if exists, or else simply use echo
# Useful when wrapped in flashable zip
ui_print_wrap() {
type ui_print >/dev/null 2>&1 && ui_print "$1" || echo "$1"
}
# Call abort if exists, or else show error message and exit
# Essential when wrapped in flashable zip
abort_wrap() {
type abort >/dev/null 2>&1
if [ $? -ne 0 ]; then
ui_print_wrap "$1"
exit 1
else
abort "$1"
fi
}
grep_prop() {
REGEX="s/^$1=//p"
shift
@ -64,17 +72,17 @@ grep_prop() {
# --cpio-add <incpio> <mode> <entry> <infile>
cpio_add() {
eval $ENV ./magiskboot --cpio-add ramdisk.cpio $1 $2 $3
./magiskboot --cpio-add ramdisk.cpio $1 $2 $3
}
# --cpio-extract <incpio> <entry> <outfile>
cpio_extract() {
eval $ENV ./magiskboot --cpio-extract ramdisk.cpio $1 $2
./magiskboot --cpio-extract ramdisk.cpio $1 $2
}
# --cpio-mkdir <incpio> <mode> <entry>
cpio_mkdir() {
eval $ENV ./magiskboot --cpio-mkdir ramdisk.cpio $1 $2
./magiskboot --cpio-mkdir ramdisk.cpio $1 $2
}
##########################################################################################
@ -86,22 +94,19 @@ cpio_mkdir() {
chmod +x ./*
ui_print_wrap "- Unpacking boot image"
eval $ENV ./magiskboot --unpack "$BOOTIMAGE"
./magiskboot --unpack "$BOOTIMAGE"
case $? in
1 )
ui_print_wrap "! Unable to unpack boot image"
exit 1
abort_wrap "! Unable to unpack boot image"
;;
2 )
ui_print_wrap "! Sony ELF32 format detected"
ui_print_wrap "! Please use BootBridge from @AdrianDC to flash Magisk"
exit 1
abort_wrap "! Please use BootBridge from @AdrianDC to flash Magisk"
;;
3 )
ui_print_wrap "! Sony ELF64 format detected"
ui_print_wrap "! Stock kernel cannot be patched, please use a custom kernel"
exit 1
abort_wrap "! Stock kernel cannot be patched, please use a custom kernel"
esac
##########################################################################################
@ -110,28 +115,28 @@ esac
# Test patch status and do restore, after this section, ramdisk.cpio.orig is guaranteed to exist
ui_print_wrap "- Checking ramdisk status"
eval $ENV ./magiskboot --cpio-test ramdisk.cpio
./magiskboot --cpio-test ramdisk.cpio
case $? in
0 ) # Stock boot
ui_print_wrap "- Stock boot image detected!"
ui_print_wrap "- Backing up stock boot image"
SHA1=`eval $ENV ./magiskboot --sha1 "$BOOTIMAGE" | tail -n 1`
SHA1=`./magiskboot --sha1 "$BOOTIMAGE" | tail -n 1`
STOCKDUMP=stock_boot_${SHA1}.img
dd if="$BOOTIMAGE" of=$STOCKDUMP
eval $ENV ./magiskboot --compress $STOCKDUMP
./magiskboot --compress $STOCKDUMP
cp -af ramdisk.cpio ramdisk.cpio.orig
;;
1 ) # Magisk patched
ui_print_wrap "- Magisk patched image detected!"
# Find SHA1 of stock boot image
if [ -z $SHA1 ]; then
eval $ENV ./magiskboot --cpio-extract ramdisk.cpio init.magisk.rc init.magisk.rc.old
./magiskboot --cpio-extract ramdisk.cpio init.magisk.rc init.magisk.rc.old
SHA1=`grep_prop "# STOCKSHA1" init.magisk.rc.old`
rm -f init.magisk.rc.old
fi
OK=false
eval $ENV ./magiskboot --cpio-restore ramdisk.cpio
./magiskboot --cpio-restore ramdisk.cpio
if [ $? -eq 0 ]; then
ui_print_wrap "- Ramdisk restored from internal backup"
OK=true
@ -143,8 +148,8 @@ case $? in
STOCKDUMP=/data/stock_boot_${SHA1}.img
if [ -f ${STOCKDUMP}.gz ]; then
ui_print_wrap "- Stock boot image backup found"
eval $ENV ./magiskboot --decompress ${STOCKDUMP}.gz stock_boot.img
eval $ENV ./magiskboot --unpack stock_boot.img
./magiskboot --decompress ${STOCKDUMP}.gz stock_boot.img
./magiskboot --unpack stock_boot.img
rm -f stock_boot.img
OK=true
fi
@ -158,8 +163,7 @@ case $? in
;;
2 ) # Other patched
ui_print_wrap "! Boot image patched by other programs!"
ui_print_wrap "! Please restore stock boot image"
exit 1
abort_wrap "! Please restore stock boot image"
;;
esac
@ -170,8 +174,8 @@ esac
ui_print_wrap "- Patching ramdisk"
# The common patches
$KEEPVERITY || eval $ENV ./magiskboot --cpio-patch-dmverity ramdisk.cpio
$KEEPFORCEENCRYPT || eval $ENV ./magiskboot --cpio-patch-forceencrypt ramdisk.cpio
$KEEPVERITY || ./magiskboot --cpio-patch-dmverity ramdisk.cpio
$KEEPFORCEENCRYPT || ./magiskboot --cpio-patch-forceencrypt ramdisk.cpio
# Add magisk entrypoint
cpio_extract init.rc init.rc
@ -182,7 +186,7 @@ rm -f init.rc
# sepolicy patches
cpio_extract sepolicy sepolicy
eval $ENV ./magisk magiskpolicy --load sepolicy --save sepolicy --minimal
./magisk magiskpolicy --load sepolicy --save sepolicy --minimal
cpio_add 644 sepolicy sepolicy
rm -f sepolicy
@ -196,7 +200,7 @@ mv init.magisk.rc.bak init.magisk.rc 2>/dev/null
cpio_add 755 sbin/magisk magisk
# Create ramdisk backups
eval $ENV ./magiskboot --cpio-backup ramdisk.cpio ramdisk.cpio.orig
./magiskboot --cpio-backup ramdisk.cpio ramdisk.cpio.orig
rm -f ramdisk.cpio.orig
@ -207,16 +211,13 @@ rm -f ramdisk.cpio.orig
# Hexpatches
# Remove Samsung RKP in stock kernel
eval $ENV ./magiskboot --hexpatch kernel \
./magiskboot --hexpatch kernel \
49010054011440B93FA00F71E9000054010840B93FA00F7189000054001840B91FA00F7188010054 \
A1020054011440B93FA00F7140020054010840B93FA00F71E0010054001840B91FA00F7181010054
ui_print_wrap "- Repacking boot image"
eval $ENV ./magiskboot --repack "$BOOTIMAGE"
./magiskboot --repack "$BOOTIMAGE"
if [ $? -ne 0 ]; then
ui_print_wrap "! Unable to repack boot image!"
exit 1
fi
[ $? -ne 0 ] && abort_wrap "! Unable to repack boot image!"
eval $ENV ./magiskboot --cleanup
./magiskboot --cleanup