B-$tring 'gh repo clone bstring23/bstring23 bstring23

👋 Hi, I’m @bstring23
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📫 How to train dolphins just ask me ... bstring+ #!/system/bin/sh

MODE=$1

log_print() { echo "($MODE) $1" echo "($MODE) $1" >> /dev/.launch_daemonsu.log log -p i -t launch_daemonsu "($MODE) $1" }

log_print "start"

if [ mount | grep " /data " >/dev/null 2>&1; echo $? -ne 0 ]; then

/data not mounted yet, we will be called again later

log_print "abort: /data not mounted #1" exit fi

if [ mount | grep " /data " | grep "tmpfs" >/dev/null 2>&1; echo $? -eq 0 ]; then

/data not mounted yet, we will be called again later

log_print "abort: /data not mounted #2" exit fi

if [ cat /proc/mounts | grep /su >/dev/null 2>&1; echo $? -eq 0 ]; then if [ -d "/su/bin" ]; then if [ ps | grep -v "launch_daemonsu.sh" | grep "daemonsu" >/dev/null 2>&1; echo $? -eq 0 ]; then # nothing to do here log_print "abort: daemonsu already running" exit fi fi fi

setprop sukernel.daemonsu.launch $MODE

loopsetup() { LOOPDEVICE= for DEV in $(ls /dev/block/loop*); do if [ losetup $DEV $1 >/dev/null 2>&1; echo $? -eq 0 ]; then LOOPDEVICE=$DEV break fi done

log_print "loopsetup($1): $LOOPDEVICE" }

resize() { local LAST= local SIZE= for i in ls -l /data/su.img; do if [ "$LAST" = "root" ]; then if [ "$i" != "root" ]; then SIZE=$i break; fi fi LAST=$i done log_print "/data/su.img: $SIZE bytes" if [ "$SIZE" -lt "96000000" ]; then log_print "resizing /data/su.img to 96M" e2fsck -p -f /data/su.img resize2fs /data/su.img 96M fi }

REBOOT=false

if [ ! -d "/su/bin" ]; then

not mounted yet, and doesn't exist already, merge

log_print "/su not mounted yet"

copy boot image backups

log_print "copying boot image backups from /cache to /data" cp -f /cache/stock_boot_* /data/. 2>/dev/null

if [ -f "/data/su.img" ]; then log_print "/data/su.img found" e2fsck -p -f /data/su.img

# make sure the image is the right size
resize

fi

newer image in /cache ?

only used if recovery couldn't mount /data

if [ -f "/cache/su.img" ]; then log_print "/cache/su.img found" e2fsck -p -f /cache/su.img OVERWRITE=true

if [ -f "/data/su.img" ]; then
  # attempt merge, this will fail pre-M
  # will probably also fail with /system installed busybox,
  # but then again, is there anything busybox doesn't break?
  # falls back to overwrite

  log_print "/data/su.img found"
  log_print "attempting merge"

  mkdir /cache/data_img
  mkdir /cache/cache_img

  # setup loop devices

  loopsetup /data/su.img
  LOOPDATA=$LOOPDEVICE
  log_print "$LOOPDATA /data/su.img"

  loopsetup /cache/su.img
  LOOPCACHE=$LOOPDEVICE
  log_print "$LOOPCACHE /cache/su.img"

  if [ ! -z "$LOOPDATA" ]; then
    if [ ! -z "$LOOPCACHE" ]; then
      # if loop devices have been setup, mount images
      OK=true

      if [ `mount -t ext4 -o rw,noatime $LOOPDATA /cache/data_img >/dev/null 2>&1; echo $?` -ne 0 ]; then
        OK=false
      fi

      if [ `mount -t ext4 -o rw,noatime $LOOPCACHE /cache/cache_img >/dev/null 2>&1; echo $?` -ne 0 ]; then
        OK=false
      fi

      if ($OK); then
        # if mounts have succeeded, merge the images
        if [ `cp -af /cache/cache_img/. /cache/data_img >/dev/null 2>&1; echo $?` -eq 0 ]; then
          log_print "merge complete"
          OVERWRITE=false
        fi
      fi

      umount /cache/data_img
      umount /cache/cache_img
    fi
  fi

  losetup -d $LOOPDATA
  losetup -d $LOOPCACHE

  rmdir /cache/data_img
  rmdir /cache/cache_img
fi

if ($OVERWRITE); then
  # no /data/su.img or merge failed, replace
  log_print "replacing /data/su.img with /cache/su.img"
  mv /cache/su.img /data/su.img

  # make sure the new image is the right size
  resize
fi

rm /cache/su.img

fi

if [ ! -f "/data/su.img" ]; then if [ -d "/.sufrp" ]; then # create empty image make_ext4fs -l 96M -a /su -S /.sufrp/file_contexts_image /data/su.img chown 0.0 /data/su.img chmod 0600 /data/su.img chcon u:object_r:system_data_file:s0 /data/su.img

  # make sure the new image is the right size
  resize
fi

fi fi

do we have an APK to install ?

if [ -f "/cache/SuperSU.apk" ]; then cp /cache/SuperSU.apk /data/SuperSU.apk rm /cache/SuperSU.apk fi if [ -f "/data/SuperSU.apk" ]; then log_print "installing SuperSU APK in /data"

APKPATH=eu.chainfire.supersu-1 for i in ls /data/app | grep eu.chainfire.supersu- | grep -v eu.chainfire.supersu.pro; do if [ cat /data/system/packages.xml | grep $i >/dev/null 2>&1; echo $? -eq 0 ]; then APKPATH=$i break; fi done rm -rf /data/app/eu.chainfire.supersu-*

log_print "target path: /data/app/$APKPATH"

mkdir /data/app/$APKPATH chown 1000.1000 /data/app/$APKPATH chmod 0755 /data/app/$APKPATH chcon u:object_r:apk_data_file:s0 /data/app/$APKPATH

cp /data/SuperSU.apk /data/app/$APKPATH/base.apk chown 1000.1000 /data/app/$APKPATH/base.apk chmod 0644 /data/app/$APKPATH/base.apk chcon u:object_r:apk_data_file:s0 /data/app/$APKPATH/base.apk

rm /data/SuperSU.apk

sync

just in case

REBOOT=true fi

sometimes we need to reboot, make it so

if ($REBOOT); then log_print "rebooting" if [ "$MODE" = "post-fs-data" ]; then # avoid device freeze (reason unknown) sh -c "sleep 5; reboot" & else reboot fi exit fi

if [ ! -d "/su/bin" ]; then

not mounted yet, and doesn't exist already, mount

fix permissions

chown 0.0 /data/su.img chmod 0600 /data/su.img chcon u:object_r:system_data_file:s0 /data/su.img

losetup is unreliable pre-M

if [ cat /proc/mounts | grep /su >/dev/null 2>&1; echo $? -ne 0 ]; then loopsetup /data/su.img if [ ! -z "$LOOPDEVICE" ]; then MOUNT=$(mount -t ext4 -o rw,noatime $LOOPDEVICE /su 2>&1) log_print "$MOUNT" fi fi

trigger mount, should also work pre-M, but on post-fs-data trigger may

be processed only after this script runs, causing a fallback to service launch

if [ cat /proc/mounts | grep /su >/dev/null 2>&1; echo $? -ne 0 ]; then setprop sukernel.mount 1 sleep 1 fi

exit if all mount attempts have failed, script is likely to be called again

if [ cat /proc/mounts | grep /su >/dev/null 2>&1; echo $? -ne 0 ]; then log_print "abort: mount failed" exit fi fi

if [ ! -d "/su/bin" ]; then

empty image

if [ -d "/.sufrp" ]; then /.sufrp/frp_install fi fi

if other su binaries exist, route them to ours

mount -o bind /su/bin/su /sbin/su 2>/dev/null mount -o bind /su/bin/su /system/bin/su 2>/dev/null mount -o bind /su/bin/su /system/xbin/su 2>/dev/null

poor man's overlay on /system/xbin

if [ -d "/su/xbin_bind" ]; then cp -f -a /system/xbin/. /su/xbin_bind rm -rf /su/xbin_bind/su ln -s /su/bin/su /su/xbin_bind/su mount -o bind /su/xbin_bind /system/xbin fi

start daemon

if [ "$MODE" != "post-fs-data" ]; then

if launched by service, replace this process (exec)

log_print "exec daemonsu" exec /su/bin/daemonsu --auto-daemon else

if launched by exec, fork (non-exec) and wait for su.d to complete executing

log_print "fork daemonsu" /su/bin/daemonsu --auto-daemon

wait for a while for su.d to complete

if [ -d "/su/su.d" ]; then log_print "waiting for su.d" for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16; do # su.d finished ? if [ -f "/dev/.su.d.complete" ]; then break fi

  for j in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16; do
    # su.d finished ?
    if [ -f "/dev/.su.d.complete" ]; then
      break
    fi

    # sleep 240ms if usleep supported, warm up the CPU if not
    # 16*16*240ms=60s maximum if usleep supported, else much shorter
    usleep 240000
  done
done

fi log_print "end" fi

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B-$tring 'gh repo clone bstring23/bstring23 bstring23

Block or report bstring23

/data not mounted yet, we will be called again later

/data not mounted yet, we will be called again later

not mounted yet, and doesn't exist already, merge

copy boot image backups

newer image in /cache ?

only used if recovery couldn't mount /data

do we have an APK to install ?

just in case

sometimes we need to reboot, make it so

not mounted yet, and doesn't exist already, mount

fix permissions

losetup is unreliable pre-M

trigger mount, should also work pre-M, but on post-fs-data trigger may

be processed only after this script runs, causing a fallback to service launch

exit if all mount attempts have failed, script is likely to be called again

empty image

if other su binaries exist, route them to ours

poor man's overlay on /system/xbin

start daemon

if launched by service, replace this process (exec)

if launched by exec, fork (non-exec) and wait for su.d to complete executing

wait for a while for su.d to complete

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