Russell Premont writes:
That's a definite bug in your operating system. This is a violation of POSIX filesystem permission semantics. The same exact bug was discovered in Tru64 UNIX earlier this year. After some back-and-forth, Compaq agreed that it was a bug, and it should be fixed in the last Tru64 service update.Same resultbash-2.05$ perl -e 'stat "foo/." || die "Dead.\n";' bash-2.05$
The upshot of this is that everything will work except for shared folders, until this bug is fixed. If you have a service contract with your vendor, you should report it, and ask them to investigate. Be sure to mention that Compaq screwed up in exactly the same way, and they fixed it. Now it's your vendor's turn.
The executive summary is that if you do not have execute permissions on directory "FOO", then a stat(2) call for "FOO/BAR" must fail for all values of "BAR", including ".". "." is no different than any other entry of its
directory, except that it always happens to refer to the current directory. But in all other aspects it's no different from any other directory entry. If you do not have execute permissions on a particular directory, you have no permission to search that directory for anything. There is no exception for the "." entry whatsoever, as far as POSIX filesystem permission semantics are concerned.
You need to spell this out in your report. Sometimes the first-level vendor support people who triage bug reports must be spoon-fed, when these kinds of delicate nuances are involved.
----- Original Message ----- From: "Sam Varshavchik" <[EMAIL PROTECTED]> To: "Courier-Users" <[EMAIL PROTECTED]> Sent: Friday, November 01, 2002 10:16 PM Subject: [courier-users] Re: Check failRussell Premont writes: > Ok I run it with no error I could see: > > bash-2.05$ mkdir foo > bash-2.05$ chmod u-rwx foo > bash-2.05$ perl -e 'stat "foo" || die "Dead.\n";' Err... Make it perl -e 'stat "foo/." || die "Dead.\n";' , as originally.
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