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 cd $dest_dir
  10
  11 if [ ! -s libhoudini.so ]; then
  12         if touch .dl_houdini; then
  13                 rm -f .dl_houdini
  14         else
  15                 cd .. && cp -a arm$1 /data/local/tmp
  16                 mount -t tmpfs tmpfs arm$1 && cd arm$1 &&
  17                         cp -a /data/local/tmp/arm$1/* . && rm -rf /data/local/tmp/arm$1
  18         fi
  19 fi
  20
  21 cd /data/local/tmp
  22 while [ ! -s $dest_dir/libhoudini.so ]; do
  23         while [ "$(getprop net.dns1)" = "" ]; do
  24                 sleep 10
  25         done
  26         if [ -z "$1" ]; then
  27                 [ "`uname -m`" = "x86_64" ] && url=http://goo.gl/Xl1str || url=http://goo.gl/PA2qZ7
  28         else
  29                 url=http://goo.gl/L00S7l
  30         fi
  31         wget $url -cO houdini.tgz &&
  32                 bzcat houdini.tgz | tar xvf - -C $dest_dir && rm -f houdini.tgz && break
  33         rm -f houdini.tgz
  34         sleep 30
  35 done
  36
  37
  38 # if you don't see the files 'register' and 'status' in /proc/sys/fs/binfmt_misc
  39 # then run the following command:
  40 # mount -t binfmt_misc none /proc/sys/fs/binfmt_misc
  41
  42 # this is to add the supported binary formats via binfmt_misc
  43
  44 if [ ! -e $binfmt_misc_dir/register ]; then
  45         mount -t binfmt_misc none $binfmt_misc_dir
  46 fi
  47
  48 cd $binfmt_misc_dir
  49 if [ -e register ]; then
  50         # register Houdini for arm binaries
  51         if [ -z "$1" ]; then
  52                 echo ':arm_exe:M::\\x7f\\x45\\x4c\\x46\\x01\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x02\\x00\\x28::'"$dest_dir/houdini:P" > register
  53                 echo ':arm_dyn:M::\\x7f\\x45\\x4c\\x46\\x01\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x03\\x00\\x28::'"$dest_dir/houdini:P" > register
  54         else
  55                 echo ':arm64_exe:M::\\x7f\\x45\\x4c\\x46\\x02\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x02\\x00\\xb7::'"$dest_dir/houdini64:P" > register
  56                 echo ':arm64_dyn:M::\\x7f\\x45\\x4c\\x46\\x02\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x03\\x00\\xb7::'"$dest_dir/houdini64:P" > register
  57         fi
  58         if [ -e arm${1}_exe ]; then
  59                 houdini_bin=1
  60         fi
  61 else
  62         log -pe -thoudini "No binfmt_misc support"
  63 fi
  64
  65 if [ $houdini_bin -eq 0 ]; then
  66         log -pe -thoudini "houdini$1 enabling failed!"
  67 else
  68         log -pi -thoudini "houdini$1 enabled"
  69 fi
  70
  71 [ "$(getprop ro.zygote)" = "zygote64_32" -a -z "$1" ] && exec $0 64
  72
  73 exit 0