mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-11-23 18:15:30 +00:00
122 lines
3.5 KiB
Bash
122 lines
3.5 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 PARTITION in kern-a android_boot kernel boot lnx; do
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BOOTIMAGE=`find /dev/block -iname "$PARTITION" | head -n 1`
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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 -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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mount_image() {
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if [ ! -d "$2" ]; then
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mount -o rw,remount rootfs /
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mkdir -p "$2" 2>/dev/null
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$BOOTMODE && mount -o ro,remount rootfs /
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[ ! -d "$2" ] && return 1
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fi
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if ! is_mounted "$2"; then
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LOOPDEVICE=
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for LOOP in 0 1 2 3 4 5 6 7; do
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if ! is_mounted "$2"; then
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LOOPDEVICE=/dev/block/loop$LOOP
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[ -e $LOOPDEVICE ] || mknod $LOOPDEVICE b 7 $LOOP 2>/dev/null
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losetup $LOOPDEVICE "$1" && mount -t ext4 -o loop $LOOPDEVICE "$2"
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if is_mounted "$2"; then
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ui_print "- Mounting $1 to $2"
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break;
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fi
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fi
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done
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fi
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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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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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