From: James Yonan <james@openvpn.net>
Date: Fri, 19 Aug 2011 03:10:08 +0000 (+0000)
Subject: CC_PRINT character class now allows any 8-bit character value >= 32.
X-Git-Tag: v2.3-alpha1~205
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2627335ac2605d0987a68ce97a0a2c4efbe25159;p=thirdparty%2Fopenvpn.git

CC_PRINT character class now allows any 8-bit character value >= 32.
This is done to allow UTF-8 and restrict the use of control characters
in usernames, passwords, common names, etc.

git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@7538 e7ae566f-a301-0410-adde-c780ea21d3b5
---

diff --git a/buffer.c b/buffer.c
index ce28cb002..f3221250f 100644
--- a/buffer.c
+++ b/buffer.c
@@ -720,7 +720,7 @@ char_class (const unsigned char c, const unsigned int flags)
     return true;
   if ((flags & CC_DIGIT) && isdigit (c))
     return true;
-  if ((flags & CC_PRINT) && (isprint (c) || c >= 0x7f)) /* allow UTF-8 */
+  if ((flags & CC_PRINT) && (c >= 32)) /* allow ascii non-control and UTF-8 */
     return true;
   if ((flags & CC_PUNCT) && ispunct (c))
     return true;