From: Eric Blake <eblake@redhat.com>
To: cygwin@cygwin.com
Subject: Re: [cron-config] Possible issue with administrators group ?
Date: Thu, 31 May 2012 16:18:00 -0000 [thread overview]
Message-ID: <4FC76383.4030607@redhat.com> (raw)
In-Reply-To: <CANs8wdAu05j3ayXE=oNqOb4seRb4ogEyCMq+4eKC+rk5G9g9FA@mail.gmail.com>
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On 05/31/2012 05:18 AM, AZ 9901 wrote:
> 2012/5/29 AZ 9901 :
>> Hello,
>>
>> I am looking at the /bin/cron-config script.
>>
>> Line 627, we can find :
>> elif net localgroup "${_admingroup}" | grep -Eiq "^${username}.?$"; then
>>
>> Why .? at the end of the regexp ? "^${username}.?$"
Because 'net' outputs in DOS mode, with carriage returns at the end.
>>
>> We could have problems if for example we already have "user1" in
>> administrators group, and cron user is "user2".
>> "user2" would then not be added to the administrators group.
Wouldn't that rather be "we could have problems if we already have
'user1', the output does not have carriage returns, and we are trying to
add 'user12'"?
> Any clue about this regexp ?
Since the trailing '.?' exists to strip carriage returns, would it be
any more robust to write this as:
net localgroup "${_admingroup}" | d2u | grep -Eiq "^${username}$"
--
Eric Blake eblake@redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2012-05-31 13:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-29 16:17 AZ 9901
2012-05-31 13:45 ` AZ 9901
2012-05-31 16:18 ` Eric Blake [this message]
2012-05-31 17:49 ` AZ 9901
2012-05-31 17:56 ` Dirk Sondermann
2012-05-31 19:23 ` AZ 9901
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