odd issue when running dbus-launch [cause found, but no fix found yet]

Vulpes Velox v.velox at vvelox.net
Mon Dec 18 12:50:05 PST 2006

On Mon, 18 Dec 2006 13:48:44 +0100
Thiago Macieira <thiago at kde.org> wrote:

> Vulpes Velox wrote:
> >That was in regards to the code snip it you sent me.
> >
> >I did find the same problem in the dbus code though. After looking
> >at dbus-sysdeps-unix.c, I found there was a integer named buf_count
> >being used in the same way you used the the integer variable named
> >ng.
> >
> >After including sys/syslimits.h in dbus-sysdeps-unix.c and setting
> >it to set buf_count equal to NGROUPS_MAX, dbus now works properly
> >for a user that is a member of more than 16 groups. The buf_count
> >is set to 17, but it is 16 because the user's main group is
> >getting included twice.
> Right, but I don't think you understood the code.
> It chose an arbitrary number of groups that should work for most
> people. In case it isn't enough, it should reallocate with a larger
> count. That's why getgrouplist is called twice.
> I had understood that the program I gave you worked out-of-the-box.
> If it didn't, tell me. What is the value of "ng" in the test
> program after the first getgrouplist?

For the both tests, I left it at the default value of 17. For the
second test I added the user to more groups. Past 16 it fails.

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