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Re: [tor-bugs] #17521 [Core Tor/Tor]: Support capsicum(4) on FreeBSD

#17521: Support capsicum(4) on FreeBSD
-------------------------------------------------+-------------------------
 Reporter:  yawning                              |          Owner:
                                                 |  shawn.webb
     Type:  enhancement                          |         Status:
                                                 |  assigned
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  unspecified
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  unspecified
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-relay, security, sandboxing,     |  Actual Points:
  BSD, capsicum                                  |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by shawn.webb):

 I've made a ton of progress on this. I now have a mostly capsicumized Tor.
 The very basics are working as of this writing.

 As it stands, what's left to do:

 1. Write sandbox wrappers for a few more libc calls (gmtime(3),
 socketpair(2), etc).
 2. Implement proper memory management (like, call free(3) where
 appropriate).
 3. Clean up a whole freakton of debug code.
 4. Write the Linux equivalent wrapper code (likely macros that just point
 to the corresponding libc functions).
 5. Build full body-suit armor as the person who's tasked with reviewing
 the ensuing patch will likely want to stab me.

 I will have a solution to demo in place by the time the Montreal meetup
 happens.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17521#comment:9>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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