mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-11-27 12:05:30 +00:00
133 lines
4.0 KiB
Bash
133 lines
4.0 KiB
Bash
##########################################################################################
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#
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# Magisk General Utility Functions
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# by topjohnwu
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#
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# Used in flash_script.sh and addon.d.sh
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#
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##########################################################################################
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ui_print() {
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if $BOOTMODE; then
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echo "$1"
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else
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echo -n -e "ui_print $1\n" >> /proc/self/fd/$OUTFD
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echo -n -e "ui_print\n" >> /proc/self/fd/$OUTFD
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fi
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}
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getvar() {
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local VARNAME=$1
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local VALUE=$(eval echo \$"$VARNAME");
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for FILE in /dev/.magisk /data/.magisk /cache/.magisk /system/.magisk; do
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if [ -z "$VALUE" ]; then
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LINE=$(cat $FILE 2>/dev/null | grep "$VARNAME=")
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if [ ! -z "$LINE" ]; then
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VALUE=${LINE#*=}
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fi
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fi
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done
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eval $VARNAME=\$VALUE
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}
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find_boot_image() {
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if [ -z "$BOOTIMAGE" ]; then
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for BLOCK in boot_a BOOT_A kern-a KERN-A android_boot ANDROID_BOOT kernel KERNEL boot BOOT lnx LNX; do
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BOOTIMAGE=`ls /dev/block/by-name/$BLOCK || ls /dev/block/platform/*/by-name/$BLOCK || ls /dev/block/platform/*/*/by-name/$BLOCK` 2>/dev/null
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[ ! -z $BOOTIMAGE ] && break
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done
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fi
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# Recovery fallback
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if [ -z "$BOOTIMAGE" ]; then
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for FSTAB in /etc/*fstab*; do
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BOOTIMAGE=`grep -E '\b/boot\b' $FSTAB | grep -v "#" | grep -oE '/dev/[a-zA-Z0-9_./-]*'`
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[ ! -z $BOOTIMAGE ] && break
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done
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fi
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[ -L "$BOOTIMAGE" ] && BOOTIMAGE=`readlink $BOOTIMAGE`
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}
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is_mounted() {
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if [ ! -z "$2" ]; then
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cat /proc/mounts | grep $1 | grep $2, >/dev/null
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else
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cat /proc/mounts | grep $1 >/dev/null
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fi
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return $?
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}
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grep_prop() {
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REGEX="s/^$1=//p"
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shift
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FILES=$@
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if [ -z "$FILES" ]; then
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FILES='/system/build.prop'
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fi
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cat $FILES 2>/dev/null | sed -n "$REGEX" | head -n 1
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}
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remove_system_su() {
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if [ -f /system/bin/su -o -f /system/xbin/su ] && [ ! -f /su/bin/su ]; then
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ui_print "! System installed root detected, mount rw :("
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mount -o rw,remount /system
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# SuperSU
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if [ -e /system/bin/.ext/.su ]; then
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mv -f /system/bin/app_process32_original /system/bin/app_process32 2>/dev/null
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mv -f /system/bin/app_process64_original /system/bin/app_process64 2>/dev/null
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mv -f /system/bin/install-recovery_original.sh /system/bin/install-recovery.sh 2>/dev/null
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cd /system/bin
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if [ -e app_process64 ]; then
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ln -sf app_process64 app_process
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else
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ln -sf app_process32 app_process
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fi
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fi
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rm -rf /system/.pin /system/bin/.ext /system/etc/.installed_su_daemon /system/etc/.has_su_daemon \
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/system/xbin/daemonsu /system/xbin/su /system/xbin/sugote /system/xbin/sugote-mksh /system/xbin/supolicy \
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/system/bin/app_process_init /system/bin/su /cache/su /system/lib/libsupol.so /system/lib64/libsupol.so \
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/system/su.d /system/etc/install-recovery.sh /system/etc/init.d/99SuperSUDaemon /cache/install-recovery.sh \
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/system/.supersu /cache/.supersu /data/.supersu \
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/system/app/Superuser.apk /system/app/SuperSU /cache/Superuser.apk 2>/dev/null
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fi
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}
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api_level_arch_detect() {
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API=`grep_prop ro.build.version.sdk`
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ABI=`grep_prop ro.product.cpu.abi | cut -c-3`
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ABI2=`grep_prop ro.product.cpu.abi2 | cut -c-3`
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ABILONG=`grep_prop ro.product.cpu.abi`
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ARCH=arm
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IS64BIT=false
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if [ "$ABI" = "x86" ]; then ARCH=x86; fi;
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if [ "$ABI2" = "x86" ]; then ARCH=x86; fi;
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if [ "$ABILONG" = "arm64-v8a" ]; then ARCH=arm64; IS64BIT=true; fi;
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if [ "$ABILONG" = "x86_64" ]; then ARCH=x64; IS64BIT=true; fi;
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}
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recovery_actions() {
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# TWRP bug fix
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mount -o bind /dev/urandom /dev/random
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# Temporarily block out all custom recovery binaries/libs
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mv /sbin /sbin_tmp
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# Add all possible library paths
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OLD_LD_PATH=$LD_LIBRARY_PATH
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$IS64BIT && export LD_LIBRARY_PATH=/system/lib64:/system/vendor/lib64 || export LD_LIBRARY_PATH=/system/lib:/system/vendor/lib
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}
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recovery_cleanup() {
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mv /sbin_tmp /sbin
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# Clear LD_LIBRARY_PATH
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export LD_LIBRARY_PATH=$OLD_LD_PATH
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ui_print "- Unmounting partitions"
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umount -l /system
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umount -l /vendor 2>/dev/null
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umount -l /dev/random
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}
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abort() {
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ui_print "$1"
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mv /sbin_tmp /sbin 2>/dev/null
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exit 1
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}
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