nativebridge/bin/enable_nativebridge

   1 #!/system/bin/sh
   2
   3 PATH=/system/bin:/system/xbin
   4
   5 houdini_bin=0
   6 dest_dir=/system/lib$1/arm$1
   7 binfmt_misc_dir=/proc/sys/fs/binfmt_misc
   8
   9 if [ -z "$1" ]; then
  10         if [ "`uname -m`" = "x86_64" ]; then
  11                 v=7_y
  12                 url=http://goo.gl/SBU3is
  13         else
  14                 v=7_x
  15                 url=http://goo.gl/0IJs40
  16         fi
  17 else
  18         v=7_z
  19         url=http://goo.gl/FDrxVN
  20 fi
  21
  22 if [ -s /system/lib$1/libhoudini.so ]; then
  23         log -pi -thoudini "found /system/lib$1/libhoudini.so"
  24 elif [ -e /system/etc/houdini$v.sfs ]; then
  25         mount /system/etc/houdini$v.sfs $dest_dir
  26 else
  27         if mountpoint -q $dest_dir; then
  28                 kill -9 `fuser -m $dest_dir`
  29                 umount -f $dest_dir
  30         fi
  31         mkdir -p /data/arm
  32         cd /data/arm
  33         while ! mount houdini$v.sfs $dest_dir; do
  34                 while [ "$(getprop net.dns1)" = "" ]; do
  35                         sleep 10
  36                 done
  37                 wget $url -cO houdini$v.sfs && continue
  38                 rm -f houdini$v.sfs
  39                 sleep 30
  40         done
  41 fi
  42
  43 [ -s /system/lib$1/libhoudini.so ] || mount --bind $dest_dir/libhoudini.so /system/lib$1/libhoudini.so
  44
  45 # this is to add the supported binary formats via binfmt_misc
  46
  47 if [ ! -e $binfmt_misc_dir/register ]; then
  48         mount -t binfmt_misc none $binfmt_misc_dir
  49 fi
  50
  51 cd $binfmt_misc_dir
  52 if [ -e register ]; then
  53         [ -e /system/bin/houdini$1 ] && dest_dir=/system/bin
  54         # register Houdini for arm binaries
  55         if [ -z "$1" ]; then
  56                 echo ':arm_exe:M::\\x7f\\x45\\x4c\\x46\\x01\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x02\\x00\\x28::'"$dest_dir/houdini:P" > register
  57                 echo ':arm_dyn:M::\\x7f\\x45\\x4c\\x46\\x01\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x03\\x00\\x28::'"$dest_dir/houdini:P" > register
  58         else
  59                 echo ':arm64_exe:M::\\x7f\\x45\\x4c\\x46\\x02\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x02\\x00\\xb7::'"$dest_dir/houdini64:P" > register
  60                 echo ':arm64_dyn:M::\\x7f\\x45\\x4c\\x46\\x02\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x03\\x00\\xb7::'"$dest_dir/houdini64:P" > register
  61         fi
  62         if [ -e arm${1}_exe ]; then
  63                 houdini_bin=1
  64         fi
  65 else
  66         log -pe -thoudini "No binfmt_misc support"
  67 fi
  68
  69 if [ $houdini_bin -eq 0 ]; then
  70         log -pe -thoudini "houdini$1 enabling failed!"
  71 else
  72         log -pi -thoudini "houdini$1 enabled"
  73 fi
  74
  75 [ "$(getprop ro.zygote)" = "zygote64_32" -a -z "$1" ] && exec $0 64
  76
  77 exit 0