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- #!/bin/sh
- #
- # GNU/Linux does not really require something like RelativeLink.c
- # However, we do want to have the same look and feel with similiar features.
- #
- # To run in debug mode simply pass --debug
- #
- # Copyright 2011 The Tor Project. See LICENSE for licensing information.
- complain_dialog_title="Tor Browser Bundle"
- # First, make sure DISPLAY is set. If it isn't, we're hosed; scream
- # at stderr and die.
- if [ "x$DISPLAY" = "x" ]; then
- echo "$complain_dialog_title must be run within the X Window System." >&2
- echo "Exiting." >&2
- exit 1
- fi
- # Determine whether we are running in a terminal. If we are, we
- # should send our error messages to stderr...
- ARE_WE_RUNNING_IN_A_TERMINAL=0
- if [ -t 1 -o -t 2 ]; then
- ARE_WE_RUNNING_IN_A_TERMINAL=1
- fi
- # ...unless we're running in the same terminal as startx or xinit. In
- # that case, the user is probably running us from a GUI file manager
- # in an X session started by typing startx at the console.
- #
- # Hopefully, the local ps command supports BSD-style options. (The ps
- # commands usually used on Linux and FreeBSD do; do any other OSes
- # support running Linux binaries?)
- ps T 2>/dev/null |grep startx 2>/dev/null |grep -v grep 2>&1 >/dev/null
- not_running_in_same_terminal_as_startx="$?"
- ps T 2>/dev/null |grep xinit 2>/dev/null |grep -v grep 2>&1 >/dev/null
- not_running_in_same_terminal_as_xinit="$?"
- # not_running_in_same_terminal_as_foo has the value 1 if we are *not*
- # running in the same terminal as foo.
- if [ "$not_running_in_same_terminal_as_startx" -eq 0 -o \
- "$not_running_in_same_terminal_as_xinit" -eq 0 ]; then
- ARE_WE_RUNNING_IN_A_TERMINAL=0
- fi
- # Complain about an error, by any means necessary.
- # Usage: complain message
- # message must not begin with a dash.
- complain () {
- # Trim leading newlines, to avoid breaking formatting in some dialogs.
- complain_message="`echo "$1" | sed '/./,$!d'`"
- # If we're being run in a terminal, complain there.
- if [ "$ARE_WE_RUNNING_IN_A_TERMINAL" -ne 0 ]; then
- echo "$complain_message" >&2
- return
- fi
- # Otherwise, we're being run by a GUI program of some sort;
- # try to pop up a message in the GUI in the nicest way
- # possible.
- #
- # In mksh, non-existent commands return 127; I'll assume all
- # other shells set the same exit code if they can't run a
- # command. (xmessage returns 1 if the user clicks the WM
- # close button, so we do need to look at the exact exit code,
- # not just assume the command failed to display a message if
- # it returns non-zero.)
- # First, try zenity.
- zenity --error \
- --title="$complain_dialog_title" \
- --text="$complain_message"
- if [ "$?" -ne 127 ]; then
- return
- fi
- # Try kdialog.
- kdialog --title "$complain_dialog_title" \
- --error "$complain_message"
- if [ "$?" -ne 127 ]; then
- return
- fi
- # Try xmessage.
- xmessage -title "$complain_dialog_title" \
- -center \
- -buttons OK \
- -default OK \
- -xrm '*message.scrollVertical: Never' \
- "$complain_message"
- if [ "$?" -ne 127 ]; then
- return
- fi
- # Try gxmessage. This one isn't installed by default on
- # Debian with the default GNOME installation, so it seems to
- # be the least likely program to have available, but it might
- # be used by one of the 'lightweight' Gtk-based desktop
- # environments.
- gxmessage -title "$complain_dialog_title" \
- -center \
- -buttons GTK_STOCK_OK \
- -default OK \
- "$complain_message"
- if [ "$?" -ne 127 ]; then
- return
- fi
- }
- if [ "`id -u`" -eq 0 ]; then
- complain "The Tor Browser Bundle should not be run as root. Exiting."
- exit 1
- fi
- usage_message="usage: $0 [--debug]"
- if [ "$#" -eq 1 -a \( "x$1" = "x--debug" -o "x$1" = "x-debug" \) ]; then
- debug=1
- printf "\nDebug enabled.\n\n"
- elif [ "$#" -eq 1 -a \( "x$1" = "x--help" -o "x$1" = "x-help" \) ]; then
- echo "$usage_message"
- exit 0
- fi
- # If XAUTHORITY is unset, set it to its default value of $HOME/.Xauthority
- # before we change HOME below. (See xauth(1) and #1945.) XDM and KDM rely
- # on applications using this default value.
- if [ -z "$XAUTHORITY" ]; then
- XAUTHORITY=~/.Xauthority
- export XAUTHORITY
- fi
- # If this script is being run through a symlink, we need to know where
- # in the filesystem the script itself is, not where the symlink is.
- myname="$0"
- if [ -L "$myname" ]; then
- # XXX readlink is not POSIX, but is present in GNU coreutils
- # and on FreeBSD. Unfortunately, the -f option (which follows
- # a whole chain of symlinks until it reaches a non-symlink
- # path name) is a GNUism, so we have to have a fallback for
- # FreeBSD. Fortunately, FreeBSD has realpath instead;
- # unfortunately, that's also non-POSIX and is not present in
- # GNU coreutils.
- #
- # If this launcher were a C program, we could just use the
- # realpath function, which *is* POSIX. Too bad POSIX didn't
- # make that function accessible to shell scripts.
- # If realpath is available, use it; it Does The Right Thing.
- possibly_my_real_name="`realpath "$myname" 2>/dev/null`"
- if [ "$?" -eq 0 ]; then
- myname="$possibly_my_real_name"
- else
- # realpath is not available; hopefully readlink -f works.
- myname="`readlink -f "$myname" 2>/dev/null`"
- if [ "$?" -ne 0 ]; then
- # Ugh.
- complain "start-tor-browser cannot be run using a symlink on this operating system."
- fi
- fi
- fi
- # Try to be agnostic to where we're being started from, chdir to where
- # the script is.
- mydir="`dirname "$myname"`"
- test -d "$mydir" && cd "$mydir"
- # If ${PWD} results in a zero length HOME, we can try something else...
- if [ ! "${PWD}" ]; then
- # "hacking around some braindamage"
- HOME="`pwd`"
- export HOME
- surveysays="This system has a messed up shell.\n"
- else
- HOME="${PWD}"
- export HOME
- fi
- if ldd ./App/Firefox/firefox-bin | grep -q "libz\.so\.1.*not found"; then
- LD_LIBRARY_PATH="${HOME}/Lib:${HOME}/Lib/libz"
- else
- LD_LIBRARY_PATH="${HOME}/Lib"
- fi
- LDPATH="${HOME}/Lib/"
- export LDPATH
- export LD_LIBRARY_PATH
- DYLD_PRINT_LIBRARIES=1
- export DYLD_PRINT_LIBRARIES
- if [ "${debug}" ]; then
- printf "\nStarting Vidalia now\n"
- cd "${HOME}"
- printf "\nLaunching Vidalia from: `pwd`\n"
- # XXX Someday we should pass whatever command-line arguments we got
- # (probably filenames or URLs) to Firefox.
- ./App/vidalia --loglevel debug --logfile vidalia-debug-log \
- --datadir Data/Vidalia/
- printf "\nVidalia exited with the following return code: $?\n"
- fi
- # not in debug mode, run proceed normally
- printf "\nLaunching Tor Browser Bundle for Linux in ${HOME}\n"
- cd "${HOME}"
- # XXX Someday we should pass whatever command-line arguments we got
- # (probably filenames or URLs) to Firefox.
- ./App/vidalia --datadir Data/Vidalia/
- exitcode="$?"
- if [ "$exitcode" -ne 0 ]; then
- complain "Vidalia exited abnormally. Exit code: $exitcode"
- exit "$exitcode"
- else
- printf '\nVidalia exited cleanly.\n'
- fi
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