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Re: [BUG?] How to make a shared/restricted repo?

From
Johan Herland <johan@herland.net>
Date
Mar 25, 2009, 00:45 UTC
Message-ID
<200903250145.51386.johan@herland.net>
In-Reply-To
<sL3rt6iQWyznVMwP2SukD7BiuS1AVuqwVkMR4XSwA5SnK9TLmqyqAg@cipher.nrlssc.navy.mil>
On Wednesday 25 March 2009, Brandon Casey wrote:
Show 24 quoted lines
> Johan Herland wrote:
> > Some colleagues of mine are working on a "secret" project, and they
> > want to create a central/server/integration repo that should be
> > group-writable, but not at all accessible to anybody outside the group
> > (i.e. files should be 0660 ("-rw-rw----"), dirs should be 2770
> > ("drwxrws---")).
> >
> > I started setting this up for them in the following manner:
> >
> >   mkdir foo.git
> >   cd foo.git
> >   git init --bare --shared=group
> >   cd ..
> >   chgrp -R groupname foo.git
> >   chmod -R o-rwx foo.git
> >
> > ...and everything looks good, initially...
> >
> > However, when I start pushing into this repo, the newly created files
> > are readable to everybody (files are 0664 ("-rw-rw-r--"), dirs are 2775
> > ("drwxrwsr-x")).
>
> But nobody has access to anything under foo.git since you did
> 'chmod o-rwx foo.git' above.

Yes, it's hard (impossible???) for outside users to get at the files, since they reside in directories that are not readable to them. However, this does not at all hide the fact that:

1. The "chmod -R o-rwx" is a command I added myself. Nowhere in Git's 
documentation is it said that it is a good idea to run this command.
2. Preferably, when creating a 0660 repo, "git init" should automatically 
perform this chmod for you, in the same manner that it already sets the 
"set-gid" bit for group-shared repos.
> Unless I'm missing something, I think you already have what you want.
Maybe, but it certainly doesn't fill me with warm, fuzzy, secure feelings.
Am I being overly paranoid?
Have fun! :)
...Johan
-- 
Johan Herland, <johan@herland.net>
www.herland.net
Previous: Brandon CaseyNext: Junio C Hamano
Message 3 of 30 in “[BUG?] How to make a shared/restricted repo?”
  1. Johan HerlandMar 25, 2009
  2. Brandon CaseyMar 25, 2009
  3. Johan HerlandMar 25, 2009
  4. Junio C HamanoMar 25, 2009
  5. Junio C HamanoMar 25, 2009
  6. Johan HerlandMar 25, 2009
  7. Junio C HamanoMar 25, 2009
  8. 0/7 Restricting repository access (Was: [BUG?] How to make a shared/restricted repo?)Johan Herland, Mar 25, 2009
  9. 1/7 Clarify documentation on permissions in shared repositoriesJohan Herland, Mar 25, 2009
  10. 2/7 Cleanup: Remove unnecessary if-else clauseJohan Herland, Mar 25, 2009
  11. 3/7 Introduce core.restrictedRepository for restricting repository permissionsJohan Herland, Mar 25, 2009
  12. 4/7 git-init: Introduce --restricted for restricting repository accessJohan Herland, Mar 25, 2009
  13. 5/7 Add tests for "core.restrictedRepository" and "git init --restricted"Johan Herland, Mar 25, 2009
  14. 6/7 git-init: Apply correct mode bits to template files in shared/restricted repoJohan Herland, Mar 25, 2009
  15. 7/7 Apply restricted permissions to loose objects and pack filesJohan Herland, Mar 25, 2009
  16. Junio C HamanoMar 25, 2009
  17. Johan HerlandMar 26, 2009
  18. Junio C HamanoMar 26, 2009
  19. Johan HerlandMar 26, 2009
  20. Johannes SixtMar 26, 2009
  21. Johan HerlandMar 26, 2009
  22. Johannes SixtMar 26, 2009
  23. 0/2 chmod cleanup (Was: [BUG?] How to make a shared/restricted repo?)Johan Herland, Mar 26, 2009
  24. 1/2 Move chmod(foo, 0444) into move_temp_to_file()Johan Herland, Mar 26, 2009
  25. Junio C HamanoMar 28, 2009
  26. Johan HerlandMar 28, 2009
  27. 2/2 Resolve double chmod() in move_temp_to_file()Johan Herland, Mar 26, 2009
  28. Junio C HamanoMar 28, 2009
  29. Johan HerlandMar 28, 2009
  30. Junio C HamanoMar 29, 2009

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