Date: Wed, 21 Jul 2010 14:37:09 +0000 From: Jens Rehsack <rehsack@googlemail.com> To: Dan Nelson <dnelson@allantgroup.com> Cc: Ashish SHUKLA <ashish@freebsd.org>, freebsd-questions@freebsd.org Subject: Re: getpwent bug? Message-ID: <4C470615.8030608@netbsd.org> In-Reply-To: <20100716181316.GH5485@dan.emsphone.com> 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> <20100716181316.GH5485@dan.emsphone.com>
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On 07/16/10 18:13, Dan Nelson wrote:
Hi Dan,
> 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.
You can see here
http://www.cpantesters.org/cpan/report/f5100ac6-9418-11df-9ebc-c4a68065c34d
the typical error picture. FreeBSD is the only system, where this error
occurs.
I rate it as a bug - but I will write merge code for the duplicated entries.
Best regards,
Jens
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