[tbb-dev] Tor Browser proxy settings

[Tom Ritter]

Hey folks,

nmago is continuing work on the crash reporter, and ran into some
proxy problems. He's trying to get the proxy settings inside the crash
reporter tool but the crash reporter tool can't read Firefox's proxy
settings!

Upstream this is talked about in
https://bugzilla.mozilla.org/show_bug.cgi?id=1388897
https://bugzilla.mozilla.org/show_bug.cgi?id=1333125
and he asked here:
https://groups.google.com/forum/#!topic/mozilla.dev.platform/opiD1Rz-e68

I'm wondering if in Tor Browser we can run around Firefox' lack of
support here and:

A) If we hardcode the proxy settings (fixed port) than nmago can just
hardcode it in the crash reporter
OR
B) If we choose a random port, if we can make that information
available to the crash reporter somehow.

If we do (B), is the port chosen written out into a torrc file he
could read? Or is it determined on startup and only held in memory?
This gets tricky because we don't really want to write anything to
disk and other IPC mechanisms (Environment Variables) are
concerning... (but maybe acceptable from our threat model?)

-tom