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[tor-bugs] #14947 [Torbutton]: Torbrowser lacks required "user_pref" preferences of TorButton

#14947: Torbrowser lacks required "user_pref" preferences of TorButton
-------------------------------------------------+-------------------------
 Reporter:  johnakabean                          |          Owner:
     Type:  defect                               |         Status:  new
 Priority:  critical                             |      Milestone:
Component:  Torbutton                            |        Version:
 Keywords:  torbutton, tor button 1.7.0.2, tor   |  Actual Points:
  browser, tor browser 4.0.3, firefox            |         Points:
  extension, preferences, tor browser            |
  preferences, pref, user_pref                   |
Parent ID:                                       |
-------------------------------------------------+-------------------------
 This may be hard to reproduce but start tor browser with a blank  profile,
 an EMPTY folder and run "firefox.exe -p" to create it, copying  the
 "extensions" folder to that profile from the tor browser bundle "tor
 browser\data\browser\profile.default\extensions..." so that it adds
 https-everywhere, noscript, and torbutton back in the profile.

 When torbutton installs itself, it doesn't add the following settings as
 user_pref's:

  * extensions.torbutton.socks_remote_dns [true/false]


  * extensions.torbutton.saved.socks_remote_dns [true/false]


  * extensions.torbutton.custom.socks_remote_dns [true/false]


  * extensions.torbutton.custom.socks_version ![4/5]


  * extensions.torbutton.socks_version", ![4/5]


    * (extensions.torbutton.saved.socks_version does get installed)



 I  understand the reason these settings may not be there at first is
 because no one has configured torbutton to have any "custom" settings;
 however, when someone does specify custom custom proxies in tor button,
 they don't get put there at that time either.

 These settings  should be put in torbrowser when torbutton
 installs/reinstalls itself;  they can even be left set as NULL until they
 are configured/used by tor  button.

 By not doing so, it can cause torbrowser (firefox.exe  itself) to panic
 and have a hard time making connections in ssl,  specifically
 https://addons.mozilla.org,  and cause these SSL connections to time out.
 It will also cause  connections in standard http to crawl while causing
 torbutton to not  have control of the connection settings in tor browser
 without hitting  "restore defaults" in torbutton.

 ----
 As said, for testing, there are no other extensions than
 noscript,torbutton, and https-everywhere. Flash was set to "always ask"
 (thus diabling option in torbutton to 'disable Plugins') along with
 private mode (first option in torbutton preferences) NOT being enabled.
 '''Other than setting custom proxies in torbutton, not one other setting
 is changed from default in tor brower or tor button.'''

 Torbutton settings are set to redundantly use either one of the five
 running tor NT services remotely over the lan on the domain controller,
 automatically load balanced by the domain contollers. Whether or not the
 client work stations utilize tor brower, they all use tor for tunneling
 recursive lookups to the root nameservers. Tor's dns server function  are
 listening on port 153 and forwarded queries by the real dns server for the
 domain.

 __I  understand this is not how people normally use tor browser, having a
 clean profile instead of using the one that comes with tor browser bundle
 and accessing tor's client services over the lan, not running tor.exe
 locally; however, this is for RFC whitepaper purposes for deploying tor
 browser over a domain.__  You always make it uniform for deployment to
 work in the scenarios you  don't expect it to; I already have another
 ticket open for tor browser  itself not wanting to parse windows
 variables, in order to deploy this  over the windows domain.

 So, all it takes for this bug is someone creating a new profile using
 torbrowser in their windows user profile (once we hopefully get the other
 bug fixed to allow the use of "%profile%" in the profiles.ini path) and
 our domain controller copying a $h/preferences/extension_overrides.js from
 our default skeleton (so that they will be able to use our tor services),
 along with the 3 default extensions to $h/extensions. Then, because
 preferences torbutton looks for to modify and then copy over to
 torbrowser's preferences are missing, those preferences of torbrowser
 don't get created and, thus, seem to cause torbrowser to have intermittent
 connection problems.

 When first starting torbrowser and configuring it as described above (and
 attached below), it won't resolv dns. When you clear cache and restart it
 to try to remedy any issues with cache, it resolves dns but now takes a
 while, along with crawling connections, __even when the connection is set
 in tor button/firefox OR the proxy server to bypass tor for that specific
 domain__ (i.e. lan web server).

 Fixing this should be as simple as making tor button install the settings
 defined above and, as said, they can even be set to null or anything you
 like, just as long as they're there.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/14947>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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