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Message-ID: <CAA2zVHoFGiR=B14u6xo_Jg5xnQVCOd+ZYSQ4_BSNfY2cSH1U3g@mail.gmail.com>
Date: Tue, 30 Jul 2019 12:04:57 -0400
From: James Y Knight <jyknight@...gle.com>
To: musl@...ts.openwall.com
Subject: Re: [PATCH] In glob(), do not require that the target of a symlink exists.
Ping -- is this patch ok?
On Mon, Jul 22, 2019 at 8:37 PM James Y Knight <jyknight@...gle.com> wrote:
>
> Previously, when given a trailing path component with no
> metacharacters, glob would call stat to check if the provided filename
> existed, which would fail on a broken symlink. When expanding a
> pattern however, glob would trust the list of files returned by
> readdir, and thus would return broken symlinks.
>
> Now, be consistent and allow broken symlinks in both cases, by using
> lstat to determine file existence.
>
> If GLOB_MARK is specified, stat must still be used to determine
> whether a given name refers to a directory or file. But if that fails,
> a symlink is simply considered to be a file for marking purposes.
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