From: deraadt@openbsd.org <deraadt@openbsd.org>
Date: Fri, 21 Feb 2025 18:22:41 +0000 (+0000)
Subject: upstream: Also prohibit , (comma) in hostnames, proposed by David
X-Git-Tag: V_10_0_P1~63
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=487cf4c18c123b66c1f3f733398cd37e6b2ab6ab;p=thirdparty%2Fopenssh-portable.git

upstream: Also prohibit , (comma) in hostnames, proposed by David

Leadbeater ok djm millert

OpenBSD-Commit-ID: 2837fa31dc6e81976f510f0a259edaa559b20b07
---

diff --git a/ssh.c b/ssh.c
index d4e872c43..ff6249273 100644
--- a/ssh.c
+++ b/ssh.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh.c,v 1.604 2025/02/15 01:48:30 djm Exp $ */
+/* $OpenBSD: ssh.c,v 1.605 2025/02/21 18:22:41 deraadt Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -639,7 +639,7 @@ valid_hostname(const char *s)
 	if (*s == '-')
 		return 0;
 	for (i = 0; s[i] != 0; i++) {
-		if (strchr("'`\"$\\;&<>|(){}", s[i]) != NULL ||
+		if (strchr("'`\"$\\;&<>|(){},", s[i]) != NULL ||
 		    isspace((u_char)s[i]) || iscntrl((u_char)s[i]))
 			return 0;
 	}