mirror of
https://github.com/topjohnwu/Magisk
synced 2024-11-13 20:54:12 +01:00
Fix boot image backup overwrites when upgrade
This commit is contained in:
topjohnwu
parent
54a0e52e05
commit
8f7f1ff7dd
@ -156,6 +156,8 @@ unpack_boot() {
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cd $UNPACKDIR
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/bootimgtools --extract $1
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[ ! -f $UNPACKDIR/ramdisk.gz ] && return 1
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cd $RAMDISK
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gunzip -c < $UNPACKDIR/ramdisk.gz | cpio -i
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}
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@ -164,7 +166,7 @@ repack_boot() {
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cd $RAMDISK
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find . | cpio -o -H newc 2>/dev/null | gzip -9 > $UNPACKDIR/ramdisk.gz
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cd $UNPACKDIR
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/bootimgtools --repack $ORIGBOOT
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/bootimgtools --repack $BOOTIMAGE
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if [ -f chromeos ]; then
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echo " " > config
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echo " " > bootloader
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@ -280,7 +282,7 @@ if (is_mounted /data); then
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/data/magisk/busybox --install -s /data/busybox
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ln -s /data/magisk/busybox /data/busybox/busybox
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# Prevent issues
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rm -f /data/busybox/su /data/busybox/sh
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rm -f /data/busybox/su /data/busybox/sh /data/busybox/reboot
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chcon -hR "u:object_r:system_file:s0" /data/magisk /data/busybox
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chmod -R 755 /data/magisk /data/busybox
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PATH=/data/busybox:$PATH
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@ -301,10 +303,10 @@ if (is_mounted /data); then
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IMG=/data/magisk.img
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else
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IMG=/cache/magisk.img
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ui_print "- Data unavalible, use cache workaround"
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ui_print "- Data unavailable, use cache workaround"
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fi
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if [ -f "$IMG" ]; then
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if [ -f $IMG ]; then
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ui_print "- $IMG detected!"
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else
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ui_print "- Creating $IMG"
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@ -313,7 +315,7 @@ fi
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mount_image $IMG /magisk
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if (! is_mounted /magisk); then
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ui_print "! Image mount failed... abort"
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ui_print "! Image mount failed..."
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exit 1
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fi
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MAGISKLOOP=$LOOPDEVICE
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@ -330,58 +332,61 @@ ui_print "- Found Boot Image: $BOOTIMAGE"
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rm -rf $TMPDIR/boottmp 2>/dev/null
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mkdir -p $TMPDIR/boottmp
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ORIGBOOT=$BOOTIMAGE
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ui_print "- Unpacking boot image"
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unpack_boot $ORIGBOOT
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unpack_boot $BOOTIMAGE
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if [ $? -ne 0 ]; then
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ui_print "! Unable to unpack boot image"
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exit 1;
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fi
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# Restore ramdisk
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ORIGBOOT=
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SUPERSU=false
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[ -f sbin/launch_daemonsu.sh ] && SUPERSU=true
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if (! $NORESTORE); then
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if [ -d ".backup" ]; then
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# This implies Magisk is already installed, but no SuperSU
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# This implies Magisk is already installed, and ramdisk backup exists
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ui_print "- Restoring ramdisk with ramdisk backup"
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cp -af .backup/. .
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rm -rf magisk init.magisk.rc sbin/magic_mask.sh 2>/dev/null
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else
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[ -f "sbin/launch_daemonsu.sh" ] && SUPERSU=true
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if ($SUPERSU); then
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ui_print "- SuperSU patched boot detected!"
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ui_print "- Adding auto patch script for SuperSU"
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cp -af $INSTALLER/common/custom_ramdisk_patch.sh /data/custom_ramdisk_patch.sh
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fi
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if [ -d "magisk" ]; then
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# If Magisk is installed and not SuperSU and no ramdisk backups,
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# we restore previous stock boot image backups
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if (! $SUPERSU); then
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ORIGBOOT=false
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elif [ -d "magisk" ]; then
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cp -af /data/stock_boot_*.gz /data/stock_boot.img.gz 2>/dev/null
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gzip -d /data/stock_boot.img.gz 2>/dev/null
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if [ -f "/data/stock_boot.img" ]; then
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[ -f /data/stock_boot.img ] && ORIGBOOT=/data/stock_boot.img
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# If Magisk is installed and no SuperSU and no ramdisk backups,
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# we restore previous stock boot image backups
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if (! $SUPERSU) && [ ! -z $ORIGBOOT ]; then
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ui_print "- Restoring boot image with backup"
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$ORIGBOOT=/data/stock_boot.img
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unpack_boot $ORIGBOOT
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fi
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fi
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# Removing possible modifications
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rm -rf magisk init.magisk.rc sbin/magic_mask.sh 2>/dev/null
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rm -rf init.xposed.rc sbin/mount_xposed.sh 2>/dev/null
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fi
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ORIGBOOT=false
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fi
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fi
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if (! $SUPERSU); then
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if ($SUPERSU); then
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ui_print "- SuperSU patched boot detected!"
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ui_print "- Adding auto patch script for SuperSU"
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cp -af $INSTALLER/common/custom_ramdisk_patch.sh /data/custom_ramdisk_patch.sh
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else
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# SuperSU already backup stock boot, no need to do again
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ui_print "- Creating backups"
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ui_print "- Creating ramdisk backup"
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mkdir .backup 2>/dev/null
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cp -af *fstab* verity_key sepolicy .backup 2>/dev/null
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if [ -z $ORIGBOOT ]; then
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ui_print "- Creating boot image backup"
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if (is_mounted /data); then
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[ "$ORIGBOOT" != "/data/stock_boot.img" ] && dd if=$ORIGBOOT of=/data/stock_boot.img
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dd if=$BOOTIMAGE of=/data/stock_boot.img
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else
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dd if=$ORIGBOOT of=/cache/stock_boot.img
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dd if=$BOOTIMAGE of=/cache/stock_boot.img
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fi
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fi
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# SuperSU already have root, no need to install root
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ROOT=
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ROOT=false
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if [ ! -d /magisk/phh ]; then
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ui_print "- Installing phh's SuperUser"
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ROOT=true
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@ -390,7 +395,7 @@ if (! $SUPERSU); then
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ROOT=true
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fi
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if [ ! -z $ROOT ]; then
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if ($ROOT); then
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mkdir -p /magisk/phh/bin 2>/dev/null
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mkdir -p /magisk/phh/su.d 2>/dev/null
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cp -af $INSTALLER/common/phh/. /magisk/phh
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@ -404,7 +409,7 @@ ui_print "- Patching ramdisk"
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# Add magisk entrypoint
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for INIT in init*.rc; do
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if [ $(grep -c "import /init.environ.rc" $INIT) -ne "0" ] && [ `grep -c "import /init.magisk.rc" $INIT` -eq "0" ]; then
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if [ `grep -c "import /init.environ.rc" $INIT` -ne "0" ] && [ `grep -c "import /init.magisk.rc" $INIT` -eq "0" ]; then
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cp $INIT .backup
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sed -i "/import \/init\.environ\.rc/iimport /init.magisk.rc" $INIT
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break
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@ -460,7 +465,7 @@ fi
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chmod 644 $NEWBOOT
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ui_print "- Flashing new boot image"
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[ ! -L "$BOOTIMAGE" ] && dd if=/dev/zero of=$BOOTIMAGE bs=4096 2>/dev/null
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[ ! -L $BOOTIMAGE ] && dd if=/dev/zero of=$BOOTIMAGE bs=4096 2>/dev/null
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dd if=$NEWBOOT of=$BOOTIMAGE bs=4096
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if (! $BOOTMODE); then
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