Dynamic groups (was Samba and groups > 16)

[Gerald (Jerry) Carter]

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David Collier-Brown wrote:

| Actually I'd expect to use the group of the file: assume
| I'm uid=57957(davecb) gid=10(staff) groups=10(staff),100(pwrtl)
| and for simplicity, the maximum number of groups I can have
| is two (;-)).
|
| I try to read /tmp/foo via samba, but the open fails with EACCES.
| A stat of the file returns
| -rw-r--r--   1 n1sps    n1sps          0 Mar  7 12:45 /tmp/foo
|
| Samba looks in my long list of (AD) groups, finds n1sps, sees
| it is NOT in my active groups list and substitutes it for pwrtl.
|
| It then retries, and if it's a read request succeeds. If it's
| a write request it gets EACCESS again, but this time I'm already
| in the right group, so samba returns -1, errno=EACCESS.

Why can't we get Sun to fix their broken OS ?

But I would expect the proposed solution to slow things down
a good bit.  But then again if you are on a broken system,
slow is better than not at all I guess.

Jeremy's right. It's an interesting approach (like a manual newgrp),
but I'm not writing the patch.



cheers, jerry
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