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Code Issues Releases Wiki Activity

Fix SuperSU installation

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topjohnwu
2017-03-31 06:25:22 +08:00
parent 0a0eb3f710
commit d274e45587
6 changed files with 117 additions and 80 deletions
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70
scripts/flash_script.sh
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@@ -171,6 +171,21 @@ remove_system_su() {
fi
}
# --cpio-add <incpio> <mode> <entry> <infile>
cpio_add() {
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-add ramdisk.cpio $1 $2 $3
}
# --cpio-extract <incpio> <entry> <outfile>
cpio_extract() {
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-extract ramdisk.cpio $1 $2
}
# --cpio-mkdir <incpio> <mode> <entry>
cpio_mkdir() {
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-mkdir ramdisk.cpio $1 $2
}
##########################################################################################
# Detection
##########################################################################################
@@ -249,7 +264,7 @@ is_mounted /data && MAGISKBIN=/data/magisk || MAGISKBIN=/cache/data_bin
rm -rf $MAGISKBIN 2>/dev/null
mkdir -p $MAGISKBIN
cp -af $BINDIR/busybox $BINDIR/magiskboot $BINDIR/magiskpolicy $COMMONDIR/magisk.apk \
$COMMONDIR/init.magisk.rc $COMMONDIR/ramdisk_patch.sh $COMMONDIR/magic_mask.sh $MAGISKBIN
$COMMONDIR/init.magisk.rc $COMMONDIR/custom_ramdisk_patch.sh $COMMONDIR/magic_mask.sh $MAGISKBIN
# Legacy support
ln -sf /data/magisk/magiskpolicy $MAGISKBIN/sepolicy-inject
@@ -372,8 +387,9 @@ case $? in
2 ) # SuperSU patched
SUPERSU=true
ui_print "- SuperSU patched boot detected!"
ui_print "- Adding auto patch script for SuperSU"
cp -af $COMMONDIR/ramdisk_patch.sh /data/custom_ramdisk_patch.sh
ui_print "- Adding ramdisk patch script for SuperSU"
cp -af $COMMONDIR/custom_ramdisk_patch.sh /data/custom_ramdisk_patch.sh
ui_print "- We are using SuperSU's own tools, mounting su.img"
is_mounted /data && SUIMG=/data/su.img || SUIMG=/cache/su.img
mount_image $SUIMG /su
SUPERSULOOP=$LOOPDEVICE
@@ -390,21 +406,15 @@ case $? in
rm stock_boot.img
else
ui_print "! Cannot find stock boot image backup"
ui_print "! Will still try to complete installation"
# Since no backup at all, let's try our best...
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-restore ramdisk.cpio
cp -af ramdisk.cpio ramdisk.cpio.orig
exit 1
fi
fi
else
ui_print "! SuperSU image mount failed..."
ui_print "! Will still try to complete installation"
# Since we cannot rely on sukernel, do it outselves...
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-restore ramdisk.cpio
cp -af ramdisk.cpio ramdisk.cpio.orig
ui_print "! Magisk scripts are placed correctly"
ui_print "! Flash SuperSU immediately to finish installation"
exit 1
fi
# Remove SuperSU backups, since we are recreating it
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-rm ramdisk.cpio -r .subackup
;;
esac
@@ -414,13 +424,39 @@ esac
# All ramdisk patch commands are stored in a separate script
ui_print "- Patching ramdisk"
source $COMMONDIR/ramdisk_patch.sh $BOOTTMP/ramdisk.cpio
cd $BOOTTMP
# Create ramdisk backups
if $SUPERSU; then
[ -f /su/bin/sukernel ] && LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-backup ramdisk.cpio.orig ramdisk.cpio ramdisk.cpio
# Use sukernel to patch ramdisk, so we can use its own tools to backup
sh $COMMONDIR/custom_ramdisk_patch.sh $BOOTTMP/ramdisk.cpio
# Create ramdisk backups
LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-backup ramdisk.cpio.orig ramdisk.cpio ramdisk.cpio
else
# The common patches
$KEEPVERITY || LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-patch-dmverity ramdisk.cpio
$KEEPFORCEENCRYPT || LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-patch-forceencrypt ramdisk.cpio
# Add magisk entrypoint
cpio_extract init.rc init.rc
grep "import /init.magisk.rc" init.rc >/dev/null || sed -i '1,/.*import.*/s/.*import.*/import \/init.magisk.rc\n&/' init.rc
sed -i "/selinux.reload_policy/d" init.rc
cpio_add 750 init.rc init.rc
# sepolicy patches
cpio_extract sepolicy sepolicy
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskpolicy --load sepolicy --save sepolicy --minimal
cpio_add 644 sepolicy sepolicy
# Add new items
cpio_mkdir 755 magisk
[ ! -z $SHA1 ] && echo "# STOCKSHA1=$SHA1" >> $COMMONDIR/init.magisk.rc
cpio_add 750 init.magisk.rc $COMMONDIR/init.magisk.rc
cpio_add 750 sbin/magic_mask.sh $COMMONDIR/magic_mask.sh
# Create ramdisk backups
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-backup ramdisk.cpio ramdisk.cpio.orig
fi