folly/ssl/test/OpenSSLCertUtilsTest.cpp

   1 /*
   2  * Copyright 2017 Facebook, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *   http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <folly/ssl/OpenSSLCertUtils.h>
  18
  19 #include <openssl/bio.h>
  20 #include <openssl/evp.h>
  21
  22 #include <folly/Range.h>
  23 #include <folly/String.h>
  24 #include <folly/io/async/ssl/OpenSSLPtrTypes.h>
  25 #include <folly/portability/GTest.h>
  26 #include <folly/portability/OpenSSL.h>
  27
  28 using namespace testing;
  29 using namespace folly;
  30
  31 const char* kTestCertWithoutSan = "folly/io/async/test/certs/tests-cert.pem";
  32
  33 // Test key
  34 // -----BEGIN EC PRIVATE KEY-----
  35 // MHcCAQEEIBskFwVZ9miFN+SKCFZPe9WEuFGmP+fsecLUnsTN6bOcoAoGCCqGSM49
  36 // AwEHoUQDQgAE7/f4YYOYunAM/VkmjDYDg3AWUgyyTIraWmmQZsnu0bYNV/lLLfNz
  37 // CtHggxGSwEtEe40nNb9C8wQmHUvb7VBBlw==
  38 // -----END EC PRIVATE KEY-----
  39 const std::string kTestCertWithSan = folly::stripLeftMargin(R"(
  40   -----BEGIN CERTIFICATE-----
  41   MIIDXDCCAkSgAwIBAgIBAjANBgkqhkiG9w0BAQsFADBQMQswCQYDVQQGEwJVUzEL
  42   MAkGA1UECAwCQ0ExDTALBgNVBAoMBEFzb3gxJTAjBgNVBAMMHEFzb3ggQ2VydGlm
  43   aWNhdGlvbiBBdXRob3JpdHkwHhcNMTcwMjEzMjMyMTAzWhcNNDQwNzAxMjMyMTAz
  44   WjAwMQswCQYDVQQGEwJVUzENMAsGA1UECgwEQXNveDESMBAGA1UEAwwJMTI3LjAu
  45   MC4xMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE7/f4YYOYunAM/VkmjDYDg3AW
  46   UgyyTIraWmmQZsnu0bYNV/lLLfNzCtHggxGSwEtEe40nNb9C8wQmHUvb7VBBl6OC
  47   ASowggEmMAkGA1UdEwQCMAAwLAYJYIZIAYb4QgENBB8WHU9wZW5TU0wgR2VuZXJh
  48   dGVkIENlcnRpZmljYXRlMB0GA1UdDgQWBBRx1kmdZEfXHmWLHpSDI0Lh8hmfwzAf
  49   BgNVHSMEGDAWgBQX3ykJKb97nxp/6UZJyDvts7noezAxBgNVHREEKjAoghJhbm90
  50   aGVyZXhhbXBsZS5jb22CEioudGhpcmRleGFtcGxlLmNvbTB4BggrBgEFBQcBAQRs
  51   MGowaAYIKwYBBQUHMAKGXGh0dHBzOi8vcGhhYnJpY2F0b3IuZmIuY29tL2RpZmZ1
  52   c2lvbi9GQkNPREUvYnJvd3NlL21hc3Rlci90aS90ZXN0X2NlcnRzL2NhX2NlcnQu
  53   cGVtP3ZpZXc9cmF3MA0GCSqGSIb3DQEBCwUAA4IBAQCj3FLjLMLudaFDiYo9pAPQ
  54   NBYNpG27aajQCvnEsYaMAGnNBxUUhv/E4xpnJEhatiCJWlPgGebdjXkpXYkLxnFj
  55   38UmpfZbNcvPPKxXmjIlkpYeFwcHTAUpFmMXVHdr8FjkDSN+qWHLllMFNAAqp0U6
  56   4VWjDlq9xCjzNw+8fdcEpwylpPrbNyQHqSO1k+DhM2qPuQfiWPmHe2PbJv8JB3no
  57   HWGi9SNe0FjtJM3066L0Gj8g/bFDo/pnyKguQyGkS7PaepK5/u5Y2fMMBO/m4+U0
  58   b9Yb0TvatsqL688CoZcSn73A0yAjptwbD/4HmcVlG2j/y8eTVpXisugu6Xz+QQGu
  59   -----END CERTIFICATE-----
  60 )");
  61
  62 static folly::ssl::X509UniquePtr readCertFromFile(const std::string& filename) {
  63   folly::ssl::BioUniquePtr bio(BIO_new(BIO_s_file()));
  64   if (!bio) {
  65     throw std::runtime_error("Couldn't create BIO");
  66   }
  67
  68   if (BIO_read_filename(bio.get(), filename.c_str()) != 1) {
  69     throw std::runtime_error("Couldn't read cert file: " + filename);
  70   }
  71   return folly::ssl::X509UniquePtr(
  72       PEM_read_bio_X509(bio.get(), nullptr, nullptr, nullptr));
  73 }
  74
  75 static folly::ssl::X509UniquePtr readCertFromData(
  76     const folly::StringPiece data) {
  77   folly::ssl::BioUniquePtr bio(BIO_new_mem_buf(data.data(), data.size()));
  78   if (!bio) {
  79     throw std::runtime_error("Couldn't create BIO");
  80   }
  81   return folly::ssl::X509UniquePtr(
  82       PEM_read_bio_X509(bio.get(), nullptr, nullptr, nullptr));
  83 }
  84
  85 TEST(OpenSSLCertUtilsTest, TestX509CN) {
  86   OpenSSL_add_all_algorithms();
  87
  88   auto x509 = readCertFromFile(kTestCertWithoutSan);
  89   EXPECT_NE(x509, nullptr);
  90   auto identity = folly::ssl::OpenSSLCertUtils::getCommonName(*x509);
  91   EXPECT_EQ(identity.value(), "Asox Company");
  92   auto sans = folly::ssl::OpenSSLCertUtils::getSubjectAltNames(*x509);
  93   EXPECT_EQ(sans.size(), 0);
  94 }
  95
  96 TEST(OpenSSLCertUtilsTest, TestX509Sans) {
  97   OpenSSL_add_all_algorithms();
  98
  99   auto x509 = readCertFromData(kTestCertWithSan);
 100   EXPECT_NE(x509, nullptr);
 101   auto identity = folly::ssl::OpenSSLCertUtils::getCommonName(*x509);
 102   EXPECT_EQ(identity.value(), "127.0.0.1");
 103   auto altNames = folly::ssl::OpenSSLCertUtils::getSubjectAltNames(*x509);
 104   EXPECT_EQ(altNames.size(), 2);
 105   EXPECT_EQ(altNames[0], "anotherexample.com");
 106   EXPECT_EQ(altNames[1], "*.thirdexample.com");
 107 }
 108
 109 TEST(OpenSSLCertUtilsTest, TestX509IssuerAndSubject) {
 110   OpenSSL_add_all_algorithms();
 111
 112   auto x509 = readCertFromData(kTestCertWithSan);
 113   EXPECT_NE(x509, nullptr);
 114   auto issuer = folly::ssl::OpenSSLCertUtils::getIssuer(*x509);
 115   EXPECT_EQ(
 116       issuer.value(),
 117       "C = US, ST = CA, O = Asox, CN = Asox Certification Authority");
 118   auto subj = folly::ssl::OpenSSLCertUtils::getSubject(*x509);
 119   EXPECT_EQ(subj.value(), "C = US, O = Asox, CN = 127.0.0.1");
 120 }
 121
 122 TEST(OpenSSLCertUtilsTest, TestX509Dates) {
 123   OpenSSL_add_all_algorithms();
 124
 125   auto x509 = readCertFromData(kTestCertWithSan);
 126   EXPECT_NE(x509, nullptr);
 127   auto notBefore = folly::ssl::OpenSSLCertUtils::getNotBeforeTime(*x509);
 128   EXPECT_EQ(notBefore, "Feb 13 23:21:03 2017 GMT");
 129   auto notAfter = folly::ssl::OpenSSLCertUtils::getNotAfterTime(*x509);
 130   EXPECT_EQ(notAfter, "Jul  1 23:21:03 2044 GMT");
 131 }
 132
 133 TEST(OpenSSLCertUtilsTest, TestX509Summary) {
 134   OpenSSL_add_all_algorithms();
 135
 136   auto x509 = readCertFromData(kTestCertWithSan);
 137   EXPECT_NE(x509, nullptr);
 138   auto summary = folly::ssl::OpenSSLCertUtils::toString(*x509);
 139   EXPECT_EQ(
 140       summary.value(),
 141       "        Version: 3 (0x2)\n        Serial Number: 2 (0x2)\n"
 142       "        Issuer: C = US, ST = CA, O = Asox, CN = Asox Certification Authority\n"
 143       "        Validity\n            Not Before: Feb 13 23:21:03 2017 GMT\n"
 144       "            Not After : Jul  1 23:21:03 2044 GMT\n"
 145       "        Subject: C = US, O = Asox, CN = 127.0.0.1\n"
 146       "        X509v3 extensions:\n"
 147       "            X509v3 Basic Constraints: \n"
 148       "                CA:FALSE\n"
 149       "            Netscape Comment: \n"
 150       "                OpenSSL Generated Certificate\n"
 151       "            X509v3 Subject Key Identifier: \n"
 152       "                71:D6:49:9D:64:47:D7:1E:65:8B:1E:94:83:23:42:E1:F2:19:9F:C3\n"
 153       "            X509v3 Authority Key Identifier: \n"
 154       "                keyid:17:DF:29:09:29:BF:7B:9F:1A:7F:E9:46:49:C8:3B:ED:B3:B9:E8:7B\n\n"
 155       "            X509v3 Subject Alternative Name: \n"
 156       "                DNS:anotherexample.com, DNS:*.thirdexample.com\n"
 157       "            Authority Information Access: \n"
 158       "                CA Issuers - URI:https://phabricator.fb.com/diffusion/FBCODE/browse/master/ti/test_certs/ca_cert.pem?view=raw\n\n");
 159 }