contrib/client-tools/torify

   1 #! /bin/sh
   2
   3 # This script used to call (the now deprecated) tsocks as a fallback in case
   4 # torsocks wasn't installed.
   5 # Now, it's just a backwards compatible shim around torsocks with reasonable
   6 # behavior if -v/--verbose or -h/--help arguments are passed.
   7 #
   8 # Copyright (c) 2004, 2006, 2009 Peter Palfrader
   9 # Modified by Jacob Appelbaum <jacob@appelbaum.net> April 16th 2006
  10 # Stripped of all the tsocks cruft by ugh on February 22nd 2012
  11 # May be distributed under the same terms as Tor itself
  12
  13
  14 compat() {
  15         echo "torify is now just a wrapper around torsocks(1) for backwards compatibility."
  16 }
  17
  18 usage() {
  19         compat
  20         echo "Usage: $0 [-hv] <command> [<options>...]"
  21 }
  22
  23 case $# in 0)
  24         usage >&2
  25         exit 1
  26 esac
  27
  28 case $# in 1)
  29         case $1 in -h|--help)
  30                 usage
  31                 exit 0
  32         esac
  33 esac
  34
  35 case $1 in -v|--verbose)
  36         compat >&2
  37         shift
  38 esac
  39
  40 # taken from Debian's Developer's Reference, 6.4
  41 pathfind() {
  42        OLDIFS="$IFS"
  43        IFS=:
  44        for p in $PATH; do
  45                if [ -x "$p/$*" ]; then
  46                        IFS="$OLDIFS"
  47                        return 0
  48                fi
  49        done
  50        IFS="$OLDIFS"
  51        return 1
  52 }
  53
  54 if pathfind torsocks; then
  55     exec torsocks "$@"
  56     echo "$0: Failed to exec torsocks $*" >&2
  57     exit 1
  58 else
  59     echo "$0: torsocks not found in your PATH.  Perhaps it isn't installed?  (tsocks is no longer supported, for security reasons.)" >&2
  60 fi
  61