From: Dr. Stephen Henson <steve@openssl.org>
Date: Tue, 6 Jan 2015 20:29:28 +0000 (-0500)
Subject: RT3662: Allow leading . in nameConstraints
X-Git-Tag: OpenSSL_1_0_1l~7
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=8fb2c9922a9c598fb34369a1f9f3cacb3a394eec;p=oweals%2Fopenssl.git

RT3662: Allow leading . in nameConstraints

Change by SteveH from original by John Denker (in the RT)

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 77ff1f3b8bfaa348956c5096a2b829f2e767b4f1)
---

diff --git a/crypto/x509v3/v3_ncons.c b/crypto/x509v3/v3_ncons.c
index a01dc64dd2..3b0f1bd1bd 100644
--- a/crypto/x509v3/v3_ncons.c
+++ b/crypto/x509v3/v3_ncons.c
@@ -401,7 +401,7 @@ static int nc_dns(ASN1_IA5STRING *dns, ASN1_IA5STRING *base)
 	if (dns->length > base->length)
 		{
 		dnsptr += dns->length - base->length;
-		if (dnsptr[-1] != '.')
+		if (*baseptr != '.' && dnsptr[-1] != '.')
 			return X509_V_ERR_PERMITTED_VIOLATION;
 		}