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Re: id -Gn user doesn't show all groups

From: Matt Selsky
Subject: Re: id -Gn user doesn't show all groups
Date: Wed, 15 Oct 2003 05:17:23 -0400
User-agent: Mutt/1.4.1i

> Thanks for the report.
> I can't reproduce that on a Solaris 9 system.
> Would you please send me the output from running those programs
> via truss?

gnu-id.out - GNU id truss output
solaris-groups.out - Solaris groups truss output
solaris-groups-apptrace.out - Solaris groups apptrace output

Our NSS-LDAP backend does not implement setgrent(), getgrent(), or 

Looking at the apptrace output, Solaris groups uses

The comments in /usr/include/nss_dbdefs.h mention that
_getgroupsbymember() is part of the frontend for the "group" database
and that it's a more efficient method of getgrent_r() since actually
enumerating large databases would be extremely slow.  
_getgroupsbymember() allows the backend database to optimize the query
since it knows what you are trying to do.

Attachment: gnu-id.out
Description: Text document

Attachment: solaris-groups.out
Description: Text document

Attachment: solaris-groups-apptrace.out
Description: Text document

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