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 urls[0]=http://t.cn/RBJ7mfG
  10 urls[1]=http://t.cn/RBJ7eml
  11 urls[2]=http://t.cn/RBJzLwu
  12 urls[3]=http://goo.gl/96BPKe
  13 urls[4]=http://goo.gl/v6c4Co
  14 urls[5]=http://goo.gl/CtKjxx
  15
  16 mount_sfs()
  17 {
  18         mount -o 'context="u:object_r:system_file:s0"' $1 $2
  19 }
  20
  21 if [ -z "$1" ]; then
  22         v=8_y
  23         u=1
  24 else
  25         v=8_z
  26         u=2
  27 fi
  28
  29 if [ -s /system/lib$1/libhoudini.so ]; then
  30         log -pi -thoudini "found /system/lib$1/libhoudini.so"
  31 elif [ -e /system/etc/houdini$v.sfs ]; then
  32         mount_sfs /system/etc/houdini$v.sfs $dest_dir
  33 else
  34         if mountpoint -q $dest_dir; then
  35                 kill -9 `fuser -m $dest_dir`
  36                 umount -f $dest_dir
  37         fi
  38         mkdir -p /data/arm
  39         cd /data/arm
  40         while ! mount_sfs houdini$v.sfs $dest_dir; do
  41                 while [ "$(getprop net.dns1)" = "" ]; do
  42                         sleep 10
  43                 done
  44                 wget ${urls[$u%6]} -cO houdini$v.sfs && continue
  45                 rm -f houdini$v.sfs
  46                 sleep 30
  47                 let u+=3
  48         done
  49 fi
  50
  51 [ -s /system/lib$1/libhoudini.so ] || mount --bind $dest_dir/libhoudini.so /system/lib$1/libhoudini.so
  52
  53 # this is to add the supported binary formats via binfmt_misc
  54
  55 if [ ! -e $binfmt_misc_dir/register ]; then
  56         modprobe binfmt_misc
  57         mount -t binfmt_misc none $binfmt_misc_dir
  58 fi
  59
  60 cd $binfmt_misc_dir
  61 if [ -e register ]; then
  62         [ -e /system/bin/houdini$1 ] && dest_dir=/system/bin
  63         # register Houdini for arm binaries
  64         if [ -z "$1" ]; then
  65                 echo ':arm_exe:M::\\x7f\\x45\\x4c\\x46\\x01\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x02\\x00\\x28::'"$dest_dir/houdini:P" > register
  66                 echo ':arm_dyn:M::\\x7f\\x45\\x4c\\x46\\x01\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x03\\x00\\x28::'"$dest_dir/houdini:P" > register
  67         else
  68                 echo ':arm64_exe:M::\\x7f\\x45\\x4c\\x46\\x02\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x02\\x00\\xb7::'"$dest_dir/houdini64:P" > register
  69                 echo ':arm64_dyn:M::\\x7f\\x45\\x4c\\x46\\x02\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x03\\x00\\xb7::'"$dest_dir/houdini64:P" > register
  70         fi
  71         if [ -e arm${1}_exe ]; then
  72                 houdini_bin=1
  73         fi
  74 else
  75         log -pe -thoudini "No binfmt_misc support"
  76 fi
  77
  78 if [ $houdini_bin -eq 0 ]; then
  79         log -pe -thoudini "houdini$1 enabling failed!"
  80 else
  81         log -pi -thoudini "houdini$1 enabled"
  82 fi
  83
  84 exit 0