[PATCH] glob: Simplify the interface for the GLOB_ALTDIRFUNC callback gl_readdir
Florian Weimer
fweimer@redhat.com
Tue Apr 26 14:17:00 GMT 2016
On 04/12/2016 04:01 PM, Florian Weimer wrote:
> glob: Simplify the interface for the GLOB_ALTDIRFUNC callback gl_readdir
>
> Previously, application code had to set up the d_namlen member if
> the target supported it, involving conditional compilation. After
> this change, glob will use the length of the string in d_name instead
> of d_namlen to determine the file name length. All glibc targets
> provide the d_type and d_ino members, and setting the as needed for
> gl_readdir is straightforward.
>
> Changing the behavior with regards to d_ino is left to a future
> cleanup.
>
> 2016-04-12 Florian Weimer<fweimer@redhat.com>
>
> glob: Simplify and document the interface for the GLOB_ALTDIRFUNC
> callback function gl_readdir.
> * posix/glob.c (NAMELEN, CONVERT_D_NAMLEN): Remove.
> (CONVERT_DIRENT_DIRENT64): Use strcpy instead of memcpy.
> (glob_in_dir): Remove len. Use strdup instead of malloc and
> memcpy to copy the name.
> * manual/pattern.texi (Calling Glob): Document requirements for
> implementations of the gl_readdir callback function.
> * manual/examples/mkdirent.c: New example.
> * posix/bug-glob2.c (my_readdir): Set d_ino to 1 unconditionally,
> per the manual guidance.
> * posix/tst-gnuglob.c (my_readdir): Likewise.
Ping?
I'd like to move forward with these cleanups and eventually fix
CVE-2016-1234.
Thanks,
Florian
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