[PATCH xditview] make sure filename is a regular file.
Alan Coopersmith
alan.coopersmith at oracle.com
Sun May 6 02:09:59 UTC 2018
Sorry for letting this get lost in our massive backlog, but it seemed to work
well a quick test with /dev/null so I've pushed it to git master now:
To ssh://git.freedesktop.org/git/xorg/app/xditview
5383f40..3cd0b7e master -> master
Thanks for the patch!
-alan-
On 12/ 7/10 08:32 PM, Pat Kane wrote:
> This is the second version of patch.
>
> It now uses fstat instead of stat as recommended in
> review comments from:
> Philipp Hagemeister <phihag at phihag.de>.
> Bug was reported by:
> Krzysztof Żelechowski <giecrilj at stegny.2a.pl>
>
> Signed-off-by: Pat Kane <pekane52 at gmail.com>
>
> P.S. also attached, in case gmail munges the whitespace...
>
> ---
> xditview.c | 18 ++++++++++++++++++
> 1 files changed, 18 insertions(+), 0 deletions(-)
>
> diff --git a/xditview.c b/xditview.c
> index 99fd240..facb361 100644
> --- a/xditview.c
> +++ b/xditview.c
> @@ -59,6 +59,7 @@ from the X Consortium.
> #include "xdit_mask.bm"
> #include <stdio.h>
> #include <stdlib.h>
> +#include <sys/stat.h>
>
> /* Command line options table. Only resources are entered here...there is a
> pass over the remaining options after XtParseCommand is let loose. */
> @@ -395,7 +396,24 @@ VisitFile (char *name, Boolean resetPage)
> else if (name[0] == '|')
> new_file = popen (name+1, "r");
> else {
> + struct stat stbuf;
> +
> new_file = fopen (name, "r");
> +
> + if (!new_file) {
> + perror(name);
> + return;
> + }
> + /* Make sure it is a regular file */
> + if (fstat(fileno(new_file), &stbuf) != 0) {
> + perror(name);
> + return;
> + }
> + if (! S_ISREG(stbuf.st_mode)){
> + fprintf(stderr, "%s is not a regular file.\n", name);
> + return;
> + }
> +
> seek = 1;
> }
> if (!new_file) {
>
>
>
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>
--
-Alan Coopersmith- alan.coopersmith at oracle.com
Oracle Solaris Engineering - https://blogs.oracle.com/alanc
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