contrib/torify.in

   1 #! /bin/sh
   2
   3 # Wrapper script for use of the tsocks(8) transparent socksification library
   4 # See the tsocks(1) and torify(1) manpages.
   5
   6 # Copyright (c) 2004, 2006, 2009 Peter Palfrader
   7 # Modified by Jacob Appelbaum <jacob@appelbaum.net> April 16th 2006
   8 # May be distributed under the same terms as Tor itself
   9
  10 # taken from Debian's Developer's Reference, 6.4
  11 pathfind() {
  12         OLDIFS="$IFS"
  13         IFS=:
  14         for p in $PATH; do
  15                 if [ -x "$p/$*" ]; then
  16                         IFS="$OLDIFS"
  17                         return 0
  18                 fi
  19         done
  20         IFS="$OLDIFS"
  21         return 1
  22 }
  23
  24 # Check for any argument list
  25 if [ "$#" = 0 ]; then
  26         echo "Usage: $0 [-hv] <command> [<options>...]" >&2
  27         exit 1
  28 fi
  29
  30 if [ "$#" = 1 ] && ( [ "$1" = "-h" ] || [ "$1" = "--help" ] ); then
  31         echo "Usage: $0 [-hv] <command> [<options>...]"
  32         exit 0
  33 fi
  34
  35 if [ "$1" = "-v" ] || [ "$1" = "--verbose" ]; then
  36         verbose=1
  37         shift 1
  38 else
  39         verbose=0
  40 fi
  41
  42 if pathfind torsocks; then
  43         ! [ "$verbose" -ge 1 ] || echo "Using torsocks as socksifier." >&2
  44
  45         exec torsocks "$@"
  46         echo "$0: Failed to exec torsocks $@" >&2
  47         exit 1
  48
  49 elif pathfind tsocks; then
  50         ! [ "$verbose" -ge 1 ] || echo "Using tsocks as socksifier." >&2
  51
  52         # Define our tsocks config file
  53         TSOCKS_CONF_FILE="/etc/tor/tor-tsocks.conf"
  54         export TSOCKS_CONF_FILE
  55
  56         # Check that we've got a tsocks config file
  57         if [ -r "$TSOCKS_CONF_FILE" ]
  58         then
  59                 echo "WARNING: tsocks is known to leak DNS and UDP data.  If you had torsocks we would use that." >&2
  60                 exec tsocks "$@"
  61                 echo "$0: Failed to exec tsocks $@" >&2
  62                 exit 1
  63         else
  64                 echo "$0: Missing tsocks configuration file \"$TSOCKS_CONF_FILE\"." >&2
  65                 exit 1
  66         fi
  67
  68 else
  69         echo "$0: Can't find either tsocks or torsocks in your PATH. Perhaps you haven't installed either?" >&2
  70         exit 1
  71 fi