Date: Wed, 2 May 2012 21:30:34 +0200
From: Gert Doering <gert@...1296...>
Message-ID: <20120502193033.GL1359@...1296...>
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In-Reply-To: <CAOazyz2_BbFgKYPJkyKNVTuwYo-DdbJp__NZGqs_8Ckym36hVw@...278...>
Subject: Re: [Openvpn-devel] [PATCH] Simplify check_cmd_access() function
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To: Alon Bar-Lev <alon.barlev@...277...>
Cc: David Sommerseth <davids@...1347...>, openvpn-devel@lists.sourceforge.net

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Hi,

On Wed, May 02, 2012 at 09:16:36PM +0300, Alon Bar-Lev wrote:
> Looks good.
> If you testing this one, please ensure symbolic links also works properly=
... :)

The man page for access() (on Linux) states:

DESCRIPTION
       access()  checks  whether the calling process can access the file pa=
th-
       name.  If pathname is a symbolic link, it is dereferenced.
...
CONFORMING TO
       SVr4, 4.3BSD, POSIX.1-2001.

so it should work for symlinks, across all POSIX compliant platforms (even=
=20
if the NetBSD and FreeBSD manpages do not mention anything about symlinks,=
=20
except ELOOP).=20=20

gert
--=20
USENET is *not* the non-clickable part of WWW!
                                                           //www.muc.de/~ge=
rt/
Gert Doering - Munich, Germany                             gert@...1296...
fax: +49-89-35655025                        gert@...1297...

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