[tor-commits] [tor-browser-bundle/master] Add setControlPortPasswd() to RelativeLink/RelativeLink.sh.

[mikeperry@xxxxxxxxxxxxxx]

commit a566e85f785c12157283920a179cdc64fdd28b32
Author: Isis Lovecruft <isis@xxxxxxxxxxxxxx>
Date:   Tue May 27 19:13:56 2014 +0000

    Add setControlPortPasswd() to RelativeLink/RelativeLink.sh.
    
    This adds documentation on how to set the ``TOR_CONTROL_PASSWD``
    environment variable, as well as a bash function,
    ``setControlPortPasswd()``, which easily sets it.
    
    Using a bash function is necessary in order to safely set
    TOR_CONTROL_PASSWD within the function, such that it isn't accidentally
    ``export``ed into the shell which called the script (where other
    programs would be able to steal it). Inside the function, is checked to
    see if the odd quoting syntax was done properly, and, if not, complains
    and tells the user how to properly set the
    ``TOR_CONTROL_PASSWD``. Otherwise, the correctly set password is given
    before the command to start Firefox, i.e.:
    
      TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ./firefox [...]
    
     * ADDS a new bash function ``setControlPortPasswd()`` to RelativeLink.sh.
     * FIXES #10178 by making it really hard for people to continue DoingItWrongâ?¢.
     * FIXES #11751 by adding an easy way to set the TOR_CONTROL_PASSWD, as well
       as documentation.
---
 RelativeLink/RelativeLink.sh |   71 ++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 68 insertions(+), 3 deletions(-)

diff --git a/RelativeLink/RelativeLink.sh b/RelativeLink/RelativeLink.sh
index f656665..4e6b7bb 100755
--- a/RelativeLink/RelativeLink.sh
+++ b/RelativeLink/RelativeLink.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # GNU/Linux does not really require something like RelativeLink.c
 # However, we do want to have the same look and feel with similar features.
@@ -218,17 +218,82 @@ fi
 LD_LIBRARY_PATH="${HOME}/TorBrowser/Tor/"
 export LD_LIBRARY_PATH
 
+function setControlPortPasswd() {
+    local ctrlPasswd=$1
+    test -z "$ctrlPasswd" -o "$ctrlPasswd" = $'\"secret\"' && return
+    if test "${ctrlPasswd:0:1}" = $'\"'; then  # First 2 chars were '"
+        printf "Using system Tor process.\n"
+        export TOR_CONTROL_PASSWD
+    else
+        complain "There seems to have been a quoting problem with your \
+TOR_CONTROL_PASSWD environment variable."
+        cat <<EOF
+
+The Tor ControlPort password should be given inside double quotes, inside single
+quotes, i.e. if the ControlPort password is â??secretâ?? (without curly quotes) then
+we must start this script after setting the environment variable exactly like
+this:
+
+  \$ TOR_CONTROL_PASSWD='"secret"' $myname
+
+EOF
+    fi
+}
+
+# Using a system-installed Tor process with Tor Browser:
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+# The Tor ControlPort password should be given inside double quotes, inside
+# single quotes, i.e. if the ControlPort password is â??secretâ?? (without
+# curly quotes) then we must set the environment variable *exactly* like
+# this:
+#
+# TOR_CONTROL_PASSWD='"secret"'
+#
+# Yes, the variable MUST be double-quoted, then single-quoted, exactly as
+# shown. This is used by TorButtom to authenticate to Tor's ControlPort, and
+# is necessary for using TBB with a with a system-installed Tor.
+#
+# Additionally, if using a system-installed Tor, the following about:config
+# options should be set (values in <> mean they are the value taken from your
+# torrc):
+#
+# SETTING NAME                            VALUE
+# extensions.torbutton.banned_ports       [...],<SocksPort>,<ControlPort>
+# extensions.torbutton.block_disk         false
+# extensions.torbutton.custom.socks_host  127.0.0.1
+# extensions.torbutton.custom.socks_port  <SocksPort>
+# extensions.torbutton.inserted_button    true
+# extensions.torbutton.launch_warning     false
+# extensions.torbutton.loglevel           2
+# extensions.torbutton.logmethod          0
+# extensions.torbutton.settings_method    custom
+# extensions.torbutton.socks_port         <SocksPort>
+# extensions.torbutton.use_privoxy        false
+# extensions.torlauncher.control_port      <ControlPort>
+# extensions.torlauncher.loglevel          2
+# extensions.torlauncher.logmethod         0
+# extensions.torlauncher.prompt_at_startup false
+# extensions.torlauncher.start_tor         false
+#
+# where the '[...]' in the banned_ports option means "leave anything that was
+# already in the preference alone, just append the things specified after it".
+
+# Either set `TOR_CONTROL_PASSWD` before running ./start-tor-browser, or put
+# your password in the following line where the word â??secretâ?? is:
+setControlPortPasswd ${TOR_CONTROL_PASSWD:='"secret"'}
+
 # XXX: Debug mode for Firefox??
 
 # not in debug mode, run proceed normally
-printf "\nLaunching Tor Browser Bundle for Linux in ${HOME}\n"
+printf "Launching Tor Browser for Linux in ${HOME}...\n"
 cd "${HOME}"
 # XXX Someday we should pass whatever command-line arguments we got
 # (probably filenames or URLs) to Firefox.
 # !!! Dash above comment! Now we pass command-line arguments we got (except --debug) to Firefox.
 # !!! Use at your own risk!
 # Adding --class for fixing bug 11102.
-./firefox --class "Tor Browser" -profile TorBrowser/Data/Browser/profile.default "${@}"
+TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ./firefox  --class "Tor Browser" \
+    -profile TorBrowser/Data/Browser/profile.default "${@}"
 exitcode="$?"
 if [ "$exitcode" -ne 0 ]; then
 	complain "Tor Browser exited abnormally.  Exit code: $exitcode"



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