Date: Tue, 2 Aug 2016 15:41:42 +0000 (UTC) From: Kristof Provost <kp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r303663 - head/sbin/pfctl Message-ID: <201608021541.u72FfgtB000773@repo.freebsd.org>
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Author: kp Date: Tue Aug 2 15:41:42 2016 New Revision: 303663 URL: https://svnweb.freebsd.org/changeset/base/303663 Log: 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 KrejĨa <radek.krejca@starnet.cz> Modified: head/sbin/pfctl/parse.y Modified: head/sbin/pfctl/parse.y ============================================================================== --- head/sbin/pfctl/parse.y Tue Aug 2 15:35:53 2016 (r303662) +++ head/sbin/pfctl/parse.y Tue Aug 2 15:41:42 2016 (r303663) @@ -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; }
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