net/tsocks/files/tsocks.sh

   1 #! @SH@
   2
   3 libtsocks="@PREFIX@/lib/libtsocks.so"
   4
   5 usage() {
   6         echo "usage:"
   7         echo "  $0 [program [arguments...]]"
   8         echo "  . $0 on"
   9         echo "  . $0 off"
  10 }
  11
  12 tsocks_on() {
  13         case $LD_PRELOAD in
  14         *"$libtsocks"*)
  15                 ;;
  16         "")     LD_PRELOAD="$libtsocks"
  17                 ;;
  18         *)      LD_PRELOAD="$LD_PRELOAD $libtsocks"
  19                 ;;
  20         esac
  21         export LD_PRELOAD
  22 }
  23
  24 tsocks_off() {
  25         LD_PRELOAD=`echo $LD_PRELOAD | sed 's,$libtsocks[ :]?,,'`
  26         if [ "$LD_PRELOAD" ]; then
  27                 export LD_PRELOAD
  28         else
  29                 unset LD_PRELOAD
  30         fi
  31 }
  32
  33 if [ $# -eq 0 ]; then
  34         set -- ${SHELL:-/bin/sh}
  35 fi
  36
  37 case "$1" in
  38 on)
  39         tsocks_on
  40         ;;
  41 off)
  42         tsocks_off
  43         ;;
  44
  45 show | sh)
  46         echo "LD_PRELOAD=\"$LD_PRELOAD\""
  47         ;;
  48 -h | -?)
  49         usage
  50         ;;
  51 -*)     usage 1>&2
  52         exit 1
  53         ;;
  54 *)
  55         tsocks_on
  56         exec "$@"
  57         ;;
  58 esac