Date: Wed, 13 Dec 2006 22:09:34 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: Pawel Jakub Dawidek <pjd@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/lib/libc/sys symlink.2 Message-ID: <20061213220608.F792@besplex.bde.org> In-Reply-To: <20061213074528.GA1815@garage.freebsd.pl> References: <200612122005.kBCK54S3042289@repoman.freebsd.org> <20061213135203.G1136@delplex.bde.org> <20061213074528.GA1815@garage.freebsd.pl>
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On Wed, 13 Dec 2006, Pawel Jakub Dawidek wrote:
> On Wed, Dec 13, 2006 at 01:57:01PM +1100, Bruce Evans wrote:
>> On Tue, 12 Dec 2006, Pawel Jakub Dawidek wrote:
>>
>>> pjd 2006-12-12 20:05:04 UTC
>>>
>>> FreeBSD src repository
>>>
>>> Modified files:
>>> lib/libc/sys symlink.2
>>> Log:
>>> symlink(2) return EACCES if a component of the name2 path prefix denies
>>> write permission.
>>
>> Isn't that a bog in symlink(2)? POSIX and POLA don't mention it.
ugh
>
> It has to be that way. You can't write to a directory you don't have
> write permission, ie. you can't create files, directories, hardlinks and
> symlinks. 'name2' is a file name, 'name1' is what symlink point at.
That's only for the _final_ component (after pathname resolution). See
my previous reply about this for mkfifo() and open() for more details.
Bruce
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