xposed-arm-20150213b - update-binary

update-binary

#!/sbin/sh
#
# Xposed framework installer zip.
#
# This script installs the Xposed framework files to the system partition.
# The Xposed Installer app is needed as well to manage the installed modules.
#
# Thanks to Chainfire for some of the functions and logic!
#

OUTFD=$2
ZIP=$3

SYSTEMLIB=/system/lib

ui_print() {
  echo -n -e "ui_print $1\n" > /proc/self/fd/$OUTFD
  echo -n -e "ui_print\n" > /proc/self/fd/$OUTFD
}

ch_con() {
  LD_LIBRARY_PATH=$SYSTEMLIB /system/toolbox chcon -h u:object_r:system_file:s0 $1
  LD_LIBRARY_PATH=$SYSTEMLIB /system/bin/toolbox chcon -h u:object_r:system_file:s0 $1
  chcon -h u:object_r:system_file:s0 $1
  LD_LIBRARY_PATH=$SYSTEMLIB /system/toolbox chcon u:object_r:system_file:s0 $1
  LD_LIBRARY_PATH=$SYSTEMLIB /system/bin/toolbox chcon u:object_r:system_file:s0 $1
  chcon u:object_r:system_file:s0 $1
}

ch_con_ext() {
  LD_LIBRARY_PATH=$SYSTEMLIB /system/toolbox chcon $2 $1
  LD_LIBRARY_PATH=$SYSTEMLIB /system/bin/toolbox chcon $2 $1
  chcon $2 $1
}

ln_ext() {
  LD_LIBRARY_PATH=$SYSTEMLIB /system/toolbox ln -s $1 $2
  LD_LIBRARY_PATH=$SYSTEMLIB /system/bin/toolbox ln -s $1 $2
  ln -s $1 $2
}

set_perm() {
  chown $1.$2 $4
  chown $1:$2 $4
  chmod $3 $4
  ch_con $4
  ch_con_ext $4 $5
}

cp_perm() {
  rm $5
  cat $4 > $5
  set_perm $1 $2 $3 $5 $6
}

install_and_link() {
  TARGET=$1
  XPOSED="${1}_xposed"
  BACKUP="${1}_original"
  if [ ! -f "/tmp/xposed/$XPOSED" ]; then
    return
  fi
  cp_perm $2 $3 $4 /tmp/xposed/$XPOSED $XPOSED $5
  if [ ! -f $BACKUP ]; then
    mv $TARGET $BACKUP
    ln_ext $XPOSED $TARGET
  fi
}

install_overwrite() {
  TARGET=$1
  if [ ! -f "/tmp/xposed/$TARGET" ]; then
    return
  fi
  BACKUP="${1}.orig"
  NO_ORIG="${1}.no_orig"
  if [ ! -f $TARGET ]; then
    echo -n > $NO_ORIG
  elif [ ! -f $BACKUP -a ! -f $NO_ORIG ]; then
    mv $TARGET $BACKUP
  fi
  cp_perm $2 $3 $4 /tmp/xposed/$TARGET $TARGET $5
}

ui_print "******************************"
ui_print "Xposed framework installer zip"
ui_print "******************************"

ui_print "- Mounting /system and rootfs"
mount /system
mount -o rw,remount /system
mount -o rw,remount /system /system
mount -o rw,remount /
mount -o rw,remount / /

ui_print "- Extracting files"
cd /tmp
rm -rf xposed
mkdir xposed
cd xposed
unzip -o "$ZIP"

if [ ! -f "/tmp/xposed/system/xposed.prop" ]; then
  ui_print "! Failed: /tmp/xposed/system/xposed not found!"
  exit 1
fi

ui_print "- Checking environment"
API=$(cat /system/build.prop | grep "ro.build.version.sdk=" | dd bs=1 skip=21 count=2)
ABI=$(cat /system/build.prop /default.prop | grep -m 1 "ro.product.cpu.abi=" | dd bs=1 skip=19 count=3)
ABILONG=$(cat /system/build.prop /default.prop | grep -m 1 "ro.product.cpu.abi=" | dd bs=1 skip=19)
ABI2=$(cat /system/build.prop /default.prop | grep -m 1 "ro.product.cpu.abi2=" | dd bs=1 skip=20 count=3)

XVERSION=$(grep -m 1 "^version=" /tmp/xposed/system/xposed.prop | dd bs=1 skip=8)
XARCH=$(grep -m 1 "^arch=" /tmp/xposed/system/xposed.prop | dd bs=1 skip=5)
XMINSDK=$(grep -m 1 "^minsdk=" /tmp/xposed/system/xposed.prop | dd bs=1 skip=7)
XMAXSDK=$(grep -m 1 "^maxsdk=" /tmp/xposed/system/xposed.prop | dd bs=1 skip=7)

ARCH=arm
IS64BIT=false
RC=0
if [ "$ABI" = "x86" ]; then ARCH=x86; fi;
if [ "$ABI2" = "x86" ]; then ARCH=x86; fi;
if [ "$API" -eq "$API" ]; then
  if [ "$API" -ge "21" ]; then
    if [ "$ABILONG" = "arm64-v8a" ]; then ARCH=arm64; SYSTEMLIB=/system/lib64; IS64BIT=true; fi;
    if [ "$ABILONG" = "x86_64" ]; then ARCH=x64; SYSTEMLIB=/system/lib64; IS64BIT=true; fi;
  fi
fi

#ui_print "DBG [$API] [$ABI] [$ABI2] [$ABILONG] [$ARCH] [$XARCH] [$XMINSDK] [$XMAXSDK] [$XVERSION]"

ui_print "  Xposed version: $XVERSION"

XVALID=false
if [ "$ARCH" = "$XARCH" ]; then
  if [ "$API" -ge "$XMINSDK" ]; then
    if [ "$API" -le "$XMAXSDK" ]; then
      XVALID=true
    else
      ui_print "! Wrong SDK version: $API, expected $XMINSDK - $XMAXSDK"
    fi
  else
    ui_print "! Wrong SDK version: $API, expected $XMINSDK - $XMAXSDK"
  fi
else
  ui_print "! Wrong platform: $ARCH, expected: $XARCH"
fi

if ($XVALID); then
  ui_print "- Placing files"

  cat /system/bin/toolbox > /system/toolbox
  chmod 0755 /system/toolbox
  ch_con /system/toolbox

  cp_perm 0 0 0644 /tmp/xposed/system/xposed.prop /system/xposed.prop
  cp_perm 0 0 0644 /tmp/xposed/system/framework/XposedBridge.jar /system/framework/XposedBridge.jar

  install_and_link /system/bin/app_process32                0 2000 0755 u:object_r:zygote_exec:s0
  install_overwrite /system/bin/dex2oat                     0 2000 0755 u:object_r:dex2oat_exec:s0
  install_overwrite /system/bin/oatdump                     0 2000 0755
  install_overwrite /system/bin/patchoat                    0 2000 0755 u:object_r:dex2oat_exec:s0
  install_overwrite /system/lib/libart.so                   0    0 0644
  install_overwrite /system/lib/libart-compiler.so          0    0 0644
  install_overwrite /system/lib/libart-disassembler.so      0    0 0644
  install_overwrite /system/lib/libsigchain.so              0    0 0644
  install_overwrite /system/lib/libxposed_art.so            0    0 0644
  if ($IS64BIT); then
    install_and_link /system/bin/app_process64              0 2000 0755 u:object_r:zygote_exec:s0
    install_overwrite /system/lib64/libart.so               0    0 0644
    install_overwrite /system/lib64/libart-compiler.so      0    0 0644
    install_overwrite /system/lib64/libart-disassembler.so  0    0 0644
    install_overwrite /system/lib64/libsigchain.so          0    0 0644
    install_overwrite /system/lib64/libxposed_art.so        0    0 0644
  fi

  rm /system/toolbox
else
  ui_print "! Please download the correct package"
  ui_print "! for your platform/ROM!"
  RC=1
fi

ui_print "- Unmounting /system"
umount /system

ui_print "- Done !"
exit $RC