> On 31 Jul 2016, at 19:46, Radek Krejča wrote:
> > I need to set TOS to 0 and remark it with rules.
> >
> > I am trying to use scrub to set tos to 0, but I have problem:
> >
> > scrub all fragment reassemble no-df set-tos 0
> >
> > give Illegal value
> >
> > but scrub all fragment reassemble no-df set-tos 1
> > is working.
> >
> > I am trying 0x00, 0x0 and still the same.
> >
> > How can I set TOS to 0?
> >
> I think you may have found a bug.
>
> Can you give this patch a try?
>
> diff --git a/sbin/pfctl/parse.y b/sbin/pfctl/parse.y
> index e0cfa3d..980976e 100644
> --- a/sbin/pfctl/parse.y
> +++ b/sbin/pfctl/parse.y
> @@ -3593,8 +3593,8 @@ tos : STRING {
> else if ($1[0] == '0' && $1[1] == 'x')
> $$ = strtoul($1, NULL, 16);
> else
> - $$ = 0; /* flag bad argument */
> - if (!$$ || $$ > 255) {
> + $$ = 256; /* flag bad
> argument */
> + if ($$ < 0 || $$ > 255) {
> yyerror("illegal tos value %s", $1);
> free($1);
> YYERROR;
> @@ -3603,7 +3603,7 @@ tos : STRING {
> }
> | NUMBER {
> $$ = $1;
> - if (!$$ || $$ > 255) {
> + if ($$ < 0 || $$ > 255) {
> yyerror("illegal tos value %s", $1);
> YYERROR;
> }
>
Hello Kristof,
this patch seems to be working.
I will post bugreport.
Thank you
Radek
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