git: 5f739302ba0a - main - pfctl: Zap dead code

From: Kristof Provost <kp_at_FreeBSD.org>
Date: Fri, 27 Jun 2025 15:16:17 UTC
The branch main has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=5f739302ba0ab615ba640b0c65d85d67dd826cc8

commit 5f739302ba0ab615ba640b0c65d85d67dd826cc8
Author:     Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2025-06-24 11:52:53 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2025-06-27 14:55:17 +0000

    pfctl: Zap dead code
    
    Commented since r1.465 (2004).
    
    OK deraadt benno jca sashan
    
    Obtained from:  OpenBSD, kn <kn@openbsd.org>, 478eec1c5a
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
---
 sbin/pfctl/parse.y | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/sbin/pfctl/parse.y b/sbin/pfctl/parse.y
index 39d5ba317653..9b89dc7642c5 100644
--- a/sbin/pfctl/parse.y
+++ b/sbin/pfctl/parse.y
@@ -2492,14 +2492,6 @@ pfrule		: action dir logquick interface route af proto fromto
 						    "apply to tcp");
 					YYERROR;
 				}
-#if 0
-				if (($9.flags.b1 & parse_flags("S")) == 0 &&
-				    $8.src_os) {
-					yyerror("OS fingerprinting requires "
-					    "the SYN TCP flag (flags S/SA)");
-					YYERROR;
-				}
-#endif
 			}
 
 			r.tos = $9.tos;