From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
To: Rich Felker <dalias@aerifal.cx>
Cc: libc-alpha <libc-alpha@sourceware.org>, musl@lists.openwall.com
Subject: Re: O_EXEC and O_SEARCH
Date: Sat, 23 Feb 2013 00:28:00 -0500 [thread overview]
Message-ID: <CAHGf_=oO4OWPAruFK6nfc+JRRahWXuF-PBj3VBAv9=daCCMz1Q@mail.gmail.com> (raw)
In-Reply-To: <CAHGf_=p72+wjc_2L4=CQ-qZqt8utPKPqbg=PMOkE2rokDOxrUw@mail.gmail.com>
>>> And, as far as I observed, current linux man pages don't tell us
>>> O_PATH|O_NOFOLLOW
>>> behavior. Is this really intentional result? How do you confirmed?
>>
>> Yes, it seems intentional. O_PATH without O_NOFOLLOW would resolve the
>> symbolic link and open a file descriptor referring to the target
>> inode. O_PATH|O_NOFOLLOW opens a file descriptor to the symbolic link
>> inode itself. As far as I can see, this behavior is desirable and
>> intentional with O_PATH but wrong for O_SEARCH or O_EXEC.
>
> Hmm... Why?
> It doesn't match linux man nor posix.
So, I suggest to don't guess and discuss in LKML directly instead.
prev parent reply other threads:[~2013-02-23 5:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-22 0:45 Rich Felker
2013-02-23 3:05 ` KOSAKI Motohiro
2013-02-23 3:17 ` Rich Felker
2013-02-23 3:58 ` KOSAKI Motohiro
2013-02-23 4:33 ` Rich Felker
2013-02-23 5:01 ` KOSAKI Motohiro
2013-02-23 5:05 ` Rich Felker
2013-02-23 5:21 ` KOSAKI Motohiro
2013-02-23 4:54 ` KOSAKI Motohiro
2013-02-23 5:03 ` Rich Felker
2013-02-23 5:20 ` KOSAKI Motohiro
2013-02-23 5:28 ` KOSAKI Motohiro [this message]
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