Author: kp
Date: Wed Aug 17 09:21:55 2016
New Revision: 304281
URL: https://svnweb.freebsd.org/changeset/base/304281
Log:
MFC r303663:
pfctl: Allow TOS bits to be cleared
TOS value 0 is valid, so use 256 as an invalid value rather than zero.
This allows users to enforce TOS == 0 with pf.
Reported by: Radek Krejča <radek.kre...@starnet.cz>
Modified:
stable/10/sbin/pfctl/parse.y
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sbin/pfctl/parse.y
==============================================================================
--- stable/10/sbin/pfctl/parse.y Wed Aug 17 09:20:35 2016
(r304280)
+++ stable/10/sbin/pfctl/parse.y Wed Aug 17 09:21:55 2016
(r304281)
@@ -3517,8 +3517,8 @@ 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 || $$ > 255) {
yyerror("illegal tos value %s", $1);
free($1);
YYERROR;
@@ -3527,7 +3527,7 @@ tos : STRING {
}
| NUMBER {
$$ = $1;
- if (!$$ || $$ > 255) {
+ if ($$ < 0 || $$ > 255) {
yyerror("illegal tos value %s", $1);
YYERROR;
}
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