On Fri, Jul 06, 2012 at 03:06:47PM +0200, Roland Mainz wrote:
> On Fri, Jul 6, 2012 at 2:30 PM, Dr. Werner Fink <[email protected]> wrote:
> > On Fri, Jul 06, 2012 at 03:13:18AM +0200, ольга крыжановская wrote:
> >> Does any one of the Linux gurus here know why Linux (g)libc does not
> >> provide O_SEARCH, i.e. the ability to open a directory with
> >> 'x'(execute) permission but without read permission ?
> >
> > AFAICR and found at gmane.org:
> >
> > http://comments.gmane.org/gmane.linux.file-systems/33611
> >
> > this disccussion was back in 2009
>
> Uhm... which flag should applications on Linux pass to |open()| which
> want to use |fchdir()| into a directory later which has the 'x' but no
> 'r' flag set ?
/werner> su
boole:werner # mkdir /tmp/search
boole:werner # chmod 111 /tmp/search
boole:werner # touch /tmp/search/found
boole:werner # exit
/werner> ll /tmp/search/found
-rw-r--r-- 1 root root 0 Jul 6 16:10 /tmp/search/found
/werner> ll /tmp/search/
ls: cannot open directory /tmp/search/: Permission denied
/werner>
as long as you know what you're looking for there is no need of any
flag at all.
Werner
--
"Having a smoking section in a restaurant is like having
a peeing section in a swimming pool." -- Edward Burr
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