Reject some previuosly-escaped chars in hostnames.

net/cert/x509_certificate_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/cert/x509_certificate.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 955 matching lines @@
     { false, "www.house.example", "ww.house.example" },
     { false, "test.org", "", "www.test.org,*.test.org,*.org" },
     { false, "w.bar.foo.com", "w*.bar.foo.com" },
     { false, "www.bar.foo.com", "ww*ww.bar.foo.com" },
     { false, "wwww.bar.foo.com", "ww*ww.bar.foo.com" },
     { false, "wwww.bar.foo.com", "w*w.bar.foo.com" },
     { false, "wwww.bar.foo.com", "w*w.bar.foo.c0m" },
     { false, "WALLY.bar.foo.com", "wa*.bar.foo.com" },
     { false, "wally.bar.foo.com", "*Ly.bar.foo.com" },
     { true, "ww%57.foo.com", "", "www.foo.com" },
-    { true, "www&.foo.com", "www%26.foo.com" },
     // Common name must not be used if subject alternative name was provided.
     { false, "www.test.co.jp",  "www.test.co.jp",
         "*.test.de,*.jp,www.test.co.uk,www.*.co.jp" },
     { false, "www.bar.foo.com", "www.bar.foo.com",
       "*.foo.com,*.*.foo.com,*.*.bar.foo.com,*..bar.foo.com," },
     { false, "www.bath.org", "www.bath.org", "", "20.30.40.50" },
     { false, "66.77.88.99", "www.bath.org", "www.bath.org" },
     // IDN tests
     { true, "xn--poema-9qae5a.com.br", "xn--poema-9qae5a.com.br" },
     { true, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br" },
@@ skipping 207 matching lines @@
                                     &actual_type);
 
   EXPECT_EQ(data.expected_bits, actual_bits);
   EXPECT_EQ(data.expected_type, actual_type);
 }
 
 INSTANTIATE_TEST_CASE_P(, X509CertificatePublicKeyInfoTest,
                         testing::ValuesIn(kPublicKeyInfoTestData));
 
 }  // namespace net