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 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
  11 # Define and ensure we have tsocks
  12 # XXX: what if we don't have which?
  13 TORSOCKS="`which torsocks`"
  14 TSOCKS="`which tsocks`"
  15 PROG=""
  16 if [ ! -x "$TSOCKS" ]
  17 then
  18         echo "$0: Can't find tsocks in PATH. Perhaps you haven't installed it?" >&2
  19 else
  20         PROG=$TSOCKS
  21 fi
  22 if [ ! -x "$TORSOCKS" ]
  23 then
  24         echo "$0: Can't find torsocks in PATH. Perhaps you haven't installed it?" >&2
  25 else
  26         PROG=$TORSOCKS
  27 fi
  28
  29 if [ ! -x "$PROG" ]
  30 then
  31         echo "$0: Can't find the required tor helpers in our PATH. Perhaps you haven't installed them?" >&2
  32         exit 1;
  33 fi
  34
  35 # Check for any argument list
  36 if [ "$#" = 0 ]
  37 then
  38         echo "Usage: $0 [-hv] <command> [<options>...]" >&2
  39         exit 1
  40 fi
  41 if [ "$#" = 1 ] && ( [ "$1" = "-h" ] || [ "$1" = "--help" ] )
  42 then
  43         echo "Usage: $0 [-hv] <command> [<options>...]"
  44         exit 0
  45 fi
  46
  47 if [ "$1" = "-v" ] || [ "$1" = "--verbose" ]
  48 then
  49         echo "We're armed with the following tsocks: $TSOCKS"
  50         echo "We're armed with the following torsocks: $TORSOCKS"
  51         echo "We're attempting to use $PROG for all tor action."
  52         shift 1
  53 fi
  54
  55 if [ "$PROG" = "$TSOCKS" ]
  56 then
  57         # Define our tsocks config file
  58         TSOCKS_CONF_FILE="/etc/tor/tor-tsocks.conf"
  59         export TSOCKS_CONF_FILE
  60
  61         # Check that we've got a tsocks config file
  62         if [ -r "$TSOCKS_CONF_FILE" ]
  63         then
  64                 echo "WARNING: tsocks is known to leak DNS and UDP data." >&2
  65                 exec tsocks "$@"
  66                 echo "$0: Failed to exec tsocks $@" >&2
  67                 exit 1
  68         else
  69                 echo "$0: Missing tsocks configuration file \"$TSOCKS_CONF_FILE\"." >&2
  70                 exit 1
  71         fi
  72 fi
  73 if [ "$PROG" = "$TORSOCKS" ]
  74 then
  75         exec torsocks "$@"
  76 fi