mirror of
https://github.com/topjohnwu/Magisk
synced 2025-09-03 01:55:13 +00:00
Massive build script refactor
This commit is contained in:
topjohnwu
@@ -1,17 +1,17 @@
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#!/sbin/sh
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##########################################################################################
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#
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# Magisk Boot Image Patcher
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# Magisk Flash Script
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# by topjohnwu
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#
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# This zip will patch your boot image with Magisk support
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# This script will detect, construct the environment for Magisk
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# It will then call boot_patch.sh to patch the boot image
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#
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##########################################################################################
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MAGISK=true
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# Detect whether in boot mode
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ps | grep zygote | grep -v grep >/dev/null && BOOTMODE=true || BOOTMODE=false
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$BOOTMODE || ps -A | grep zygote | grep -v grep >/dev/null && BOOTMODE=true
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# This path should work in any cases
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TMPDIR=/dev/tmp
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@@ -171,21 +171,6 @@ remove_system_su() {
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fi
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}
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# --cpio-add <incpio> <mode> <entry> <infile>
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cpio_add() {
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-add ramdisk.cpio $1 $2 $3
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}
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# --cpio-extract <incpio> <entry> <outfile>
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cpio_extract() {
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-extract ramdisk.cpio $1 $2
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}
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# --cpio-mkdir <incpio> <mode> <entry>
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cpio_mkdir() {
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-mkdir ramdisk.cpio $1 $2
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}
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##########################################################################################
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# Detection
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##########################################################################################
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@@ -214,9 +199,6 @@ getvar KEEPVERITY
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getvar KEEPFORCEENCRYPT
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getvar BOOTIMAGE
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[ -z $KEEPVERITY ] && KEEPVERITY=false
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[ -z $KEEPFORCEENCRYPT ] && KEEPFORCEENCRYPT=false
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# Check if system root is installed and remove
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remove_system_su
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@@ -262,10 +244,10 @@ is_mounted /data && MAGISKBIN=/data/magisk || MAGISKBIN=/cache/data_bin
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# Copy required files
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rm -rf $MAGISKBIN 2>/dev/null
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mkdir -p $MAGISKBIN
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cp -af $BINDIR/. $COMMONDIR/magisk.apk $COMMONDIR/init.magisk.rc $COMMONDIR/custom_ramdisk_patch.sh $MAGISKBIN
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cp -af $BINDIR/. $COMMONDIR/. $MAGISKBIN
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chmod -R 755 $MAGISKBIN
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chcon -h u:object_r:system_file:s0 $MAGISKBIN $MAGISKBIN/*
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chcon -hR u:object_r:system_file:s0 $MAGISKBIN
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##########################################################################################
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# Magisk Image
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@@ -285,7 +267,7 @@ 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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make_ext4fs -l 32M -a /magisk -S $COMMONDIR/file_contexts_image $IMG
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$BINDIR/magisk --createimg $IMG 64M
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fi
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mount_image $IMG /magisk
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@@ -295,12 +277,15 @@ if (! is_mounted /magisk); then
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fi
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MAGISKLOOP=$LOOPDEVICE
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# Core folders and scripts
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mkdir -p $COREDIR/props $COREDIR/magiskhide $COREDIR/post-fs-data.d $COREDIR/service.d 2>/dev/null
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cp -af $COMMONDIR/magiskhide/. $COREDIR/magiskhide
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# Core folders
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mkdir -p $COREDIR/props $COREDIR/post-fs-data.d $COREDIR/service.d 2>/dev/null
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chmod -R 755 $COREDIR/bin $COREDIR/magiskhide $COREDIR/post-fs-data.d $COREDIR/service.d
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chown -R 0.0 $COREDIR/bin $COREDIR/magiskhide $COREDIR/post-fs-data.d $COREDIR/service.d
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chmod -R 755 $COREDIR/post-fs-data.d $COREDIR/service.d
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chown -R 0.0 $COREDIR/post-fs-data.d $COREDIR/service.d
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# Legacy cleanup
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mv $COREDIR/magiskhide/hidelist $COREDIR/hidelist 2>/dev/null
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rm -rf $COREDIR/magiskhide $COREDIR/bin
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##########################################################################################
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# Unpack boot
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@@ -308,33 +293,6 @@ chown -R 0.0 $COREDIR/bin $COREDIR/magiskhide $COREDIR/post-fs-data.d $COREDIR/s
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ui_print "- Found Boot Image: $BOOTIMAGE"
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rm -rf $BOOTTMP 2>/dev/null
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mkdir -p $BOOTTMP
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cd $BOOTTMP
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ui_print "- Unpacking boot image"
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --unpack $BOOTIMAGE
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case $? in
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1 )
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ui_print "! Unable to unpack boot image"
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exit 1
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;;
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2 )
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ui_print "! Sony ELF32 format detected"
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ui_print "! Please use BootBridge from @AdrianDC to flash Magisk"
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exit 1
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;;
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3 )
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ui_print "! Sony ELF64 format detected"
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ui_print "! Stock kernel cannot be patched, please use a custom kernel"
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exit 1
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esac
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##########################################################################################
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# Ramdisk restores
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##########################################################################################
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# Update our previous backup to new format if exists
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if [ -f /data/stock_boot.img ]; then
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SHA1=`LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --sha1 /data/stock_boot.img | tail -n 1`
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@@ -343,165 +301,36 @@ if [ -f /data/stock_boot.img ]; then
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --compress $STOCKDUMP
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fi
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# Test patch status and do restore, after this section, ramdisk.cpio.orig is guaranteed to exist
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SUPERSU=false
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ui_print "- Checking patch status"
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-test ramdisk.cpio
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case $? in
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0 ) # Stock boot
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ui_print "- Backing up stock boot image"
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rm -f /data/stock_boot*
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SHA1=`LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --sha1 $BOOTIMAGE | tail -n 1`
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is_mounted /data && STOCKDUMP=/data/stock_boot_${SHA1}.img || STOCKDUMP=/cache/stock_boot_${SHA1}.img
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dd if=$BOOTIMAGE of=$STOCKDUMP
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --compress $STOCKDUMP
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cp -af ramdisk.cpio ramdisk.cpio.orig
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;;
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1 ) # Magisk patched
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# Find SHA1 of stock boot image
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if [ -z $SHA1 ]; then
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-extract ramdisk.cpio init.magisk.rc init.magisk.rc
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SHA1=`grep_prop "# STOCKSHA1" init.magisk.rc`
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[ ! -z $SHA1 ] && STOCKDUMP=/data/stock_boot_${SHA1}.img
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rm -f init.magisk.rc
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fi
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ui_print "- Restoring ramdisk backup"
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-restore ramdisk.cpio
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if [ $? -ne 0 ]; then
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# Restore failed, try to find original
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ui_print "! Cannot restore from ramdisk backup"
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ui_print "- Finding stock boot image backup"
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if [ -f ${STOCKDUMP}.gz ]; then
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --decompress ${STOCKDUMP}.gz stock_boot.img
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --unpack stock_boot.img
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rm -f stock_boot.img
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else
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ui_print "! Cannot find stock boot image backup"
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ui_print "! Will still try to complete installation"
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fi
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fi
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cp -af ramdisk.cpio ramdisk.cpio.orig
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;;
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2 ) # SuperSU patched
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SUPERSU=true
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ui_print "- SuperSU patched boot detected!"
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ui_print "- Adding ramdisk patch script for SuperSU"
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cp -af $COMMONDIR/custom_ramdisk_patch.sh /data/custom_ramdisk_patch.sh
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ui_print "- We are using SuperSU's own tools, mounting su.img"
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is_mounted /data && SUIMG=/data/su.img || SUIMG=/cache/su.img
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mount_image $SUIMG /su
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SUPERSULOOP=$LOOPDEVICE
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if (is_mounted /su); then
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ui_print "- Restoring ramdisk backup with sukernel"
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LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-restore ramdisk.cpio ramdisk.cpio.orig
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if [ $? -ne 0 ]; then
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ui_print "! Cannot restore from ramdisk"
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ui_print "- Finding stock boot image backup with sukernel"
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LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --restore ramdisk.cpio stock_boot.img
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if [ $? -eq 0 ]; then
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --unpack stock_boot.img
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cp -af ramdisk.cpio ramdisk.cpio.orig
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rm stock_boot.img
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else
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ui_print "! Cannot find stock boot image backup"
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exit 1
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fi
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fi
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else
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ui_print "! SuperSU image mount failed..."
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ui_print "! Magisk scripts are placed correctly"
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ui_print "! Flash SuperSU immediately to finish installation"
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exit 1
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fi
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;;
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esac
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SOURCEDMODE=true
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cd $MAGISKBIN
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##########################################################################################
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# Boot image patches
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##########################################################################################
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# All ramdisk patch commands are stored in a separate script
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ui_print "- Patching ramdisk"
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if $SUPERSU; then
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# Use sukernel to patch ramdisk, so we can use its own tools to backup
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sh $COMMONDIR/custom_ramdisk_patch.sh $BOOTTMP/ramdisk.cpio
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# Create ramdisk backups
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LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-backup ramdisk.cpio.orig ramdisk.cpio ramdisk.cpio
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else
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# The common patches
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$KEEPVERITY || LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-patch-dmverity ramdisk.cpio
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$KEEPFORCEENCRYPT || LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-patch-forceencrypt ramdisk.cpio
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# Add magisk entrypoint
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cpio_extract init.rc init.rc
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grep "import /init.magisk.rc" init.rc >/dev/null || sed -i '1,/.*import.*/s/.*import.*/import \/init.magisk.rc\n&/' init.rc
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sed -i "/selinux.reload_policy/d" init.rc
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cpio_add 750 init.rc init.rc
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# sepolicy patches
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cpio_extract sepolicy sepolicy
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magisk magiskpolicy --load sepolicy --save sepolicy --minimal
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cpio_add 644 sepolicy sepolicy
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# Add new items
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[ ! -z $SHA1 ] && echo "# STOCKSHA1=$SHA1" >> $COMMONDIR/init.magisk.rc
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cpio_add 750 init.magisk.rc $COMMONDIR/init.magisk.rc
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cpio_add 755 sbin/magisk $BINDIR/magisk
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# Create ramdisk backups
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-backup ramdisk.cpio ramdisk.cpio.orig
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fi
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rm -f ramdisk.cpio.orig
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##########################################################################################
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# Repack and flash
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##########################################################################################
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# Hexpatches
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# Remove Samsung RKP in stock kernel
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --hexpatch kernel \
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49010054011440B93FA00F71E9000054010840B93FA00F7189000054001840B91FA00F7188010054 \
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A1020054011440B93FA00F7140020054010840B93FA00F71E0010054001840B91FA00F7181010054
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ui_print "- Repacking boot image"
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --repack $BOOTIMAGE
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case $? in
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1 )
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ui_print "! Unable to repack boot image!"
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exit 1
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;;
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2 )
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ui_print "! Boot partition space insufficient"
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ui_print "! Remove ramdisk backups and try again"
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --cpio-rm ramdisk.cpio -r .backup
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LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/magiskboot --repack $BOOTIMAGE
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if [ $? -eq 2 ]; then
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ui_print "! Boot partition size still too small..."
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ui_print "! Unable to install Magisk"
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exit 1
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fi
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;;
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esac
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# Source the boot patcher
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. $COMMONDIR/boot_patch.sh $BOOTIMAGE
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# Sign chromeos boot
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if [ -f chromeos ]; then
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cp -af $CHROMEDIR/. $MAGISKBIN/chromeos
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echo > config
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echo > bootloader
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LD_LIBRARY_PATH=$SYSTEMLIB $CHROMEDIR/futility vbutil_kernel --pack new-boot.img.signed --keyblock $CHROMEDIR/kernel.keyblock --signprivate $CHROMEDIR/kernel_data_key.vbprivk --version 1 --vmlinuz new-boot.img --config config --arch arm --bootloader bootloader --flags 0x1
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rm -f new-boot.img
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echo > empty
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LD_LIBRARY_PATH=$SYSTEMLIB $CHROMEDIR/futility vbutil_kernel --pack new-boot.img.signed \
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--keyblock $CHROMEDIR/kernel.keyblock --signprivate $CHROMEDIR/kernel_data_key.vbprivk \
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--version 1 --vmlinuz new-boot.img --config empty --arch arm --bootloader empty --flags 0x1
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rm -f empty new-boot.img
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mv new-boot.img.signed new-boot.img
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fi
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if is_mounted /data; then
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rm -f /data/stock_boot*
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mv stock_boot* /data
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fi
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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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dd if=new-boot.img of=$BOOTIMAGE bs=4096
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if [ -L $BOOTIMAGE ]; then
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dd if=new-boot.img of=$BOOTIMAGE bs=4096
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else
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cat new-boot.img /dev/zero | dd of=$BOOTIMAGE bs=4096
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fi
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rm -f new-boot.img
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cd /
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@@ -510,11 +339,6 @@ if ! $BOOTMODE; then
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umount /magisk
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losetup -d $MAGISKLOOP 2>/dev/null
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rmdir /magisk
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if $SUPERSU; then
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umount /su
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losetup -d $SUPERSULOOP 2>/dev/null
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rmdir /su
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fi
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umount /system
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fi
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Reference in New Issue
Block a user