Date: Fri, 16 Jul 2010 13:13:16 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Jens Rehsack <rehsack@googlemail.com> Cc: Ashish SHUKLA <ashish@freebsd.org>, freebsd-questions@freebsd.org Subject: Re: getpwent bug? Message-ID: <20100716181316.GH5485@dan.emsphone.com> In-Reply-To: <4C408744.3030409@netbsd.org> References: <AANLkTin5RGYfu_Xt5HWxKFO8GMTOi3YWQ8dyr95ZDW-Y@mail.gmail.com> <20100715172615.GC5485@dan.emsphone.com> <86tyo0qd19.fsf@chateau.d.if> <20100716043056.GF5485@dan.emsphone.com> <AANLkTilSum3vumQhv4qtOQhCaSHo832Ub3b9bEhP0zSt@mail.gmail.com> <20100716150719.GG5485@dan.emsphone.com> <4C408744.3030409@netbsd.org>
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In the last episode (Jul 16), Jens Rehsack said:
> On 07/16/10 15:07, Dan Nelson wrote:
> > In the last episode (Jul 16), Jens Rehsack said:
> >> Could you please take a look to my other mail (getgrent related) - there
> >> seems another bug ...
> >
> > Do you have another one-liner that will reproduce it? A simple
> > "/usr/bin/getent group" doesn't return dupes for me. Oddly enough, the
> > *grent code doesn't use an internal counter, so the bug you found in
> > endpwent doesn't exist in endgrent (afaik; the nsswitch code isn't that
> > easy to read).
>
> Not really a one-liner:
> perl -MData::Dumper -e 'setgrent; my %dupchk; while( my ( $name, $grpass,
> $gid, $members ) = getgrent() ) { print "$name is returned more than once
> (No $dupchk{$name} comes here)\n" if( $dupchk{$name}++ ); print Dumper( [
> $name, $grpass, $gid, $members ] ) };'
>
> setgrent() doesn't work here.
I ran that and got dupes for group entries that exist both in /etc/groups and
my LDAP source, but that's expected.
--
Dan Nelson
dnelson@allantgroup.com
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