Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 1 | #pragma once |
| 2 | |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 3 | #include "bmcweb_config.h" |
| 4 | |
Ed Tanous | 3ccb3ad | 2023-01-13 17:40:03 -0800 | [diff] [blame] | 5 | #include "logging.hpp" |
Ed Tanous | 2c6ffdb | 2023-06-28 11:28:38 -0700 | [diff] [blame] | 6 | #include "ossl_random.hpp" |
Ed Tanous | 3281bcf | 2024-06-25 16:02:05 -0700 | [diff] [blame] | 7 | #include "persistent_data.hpp" |
Ed Tanous | 3ccb3ad | 2023-01-13 17:40:03 -0800 | [diff] [blame] | 8 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 9 | #include <boost/beast/core/file_posix.hpp> |
| 10 | |
Ed Tanous | fca2cbe | 2021-01-28 14:49:59 -0800 | [diff] [blame] | 11 | extern "C" |
| 12 | { |
| 13 | #include <nghttp2/nghttp2.h> |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 14 | #include <openssl/bio.h> |
| 15 | #include <openssl/dh.h> |
| 16 | #include <openssl/dsa.h> |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 17 | #include <openssl/err.h> |
| 18 | #include <openssl/evp.h> |
| 19 | #include <openssl/pem.h> |
| 20 | #include <openssl/rand.h> |
| 21 | #include <openssl/rsa.h> |
| 22 | #include <openssl/ssl.h> |
Ed Tanous | 6dbe9be | 2024-04-14 10:24:20 -0700 | [diff] [blame] | 23 | } |
Ed Tanous | 9b65f1f | 2017-03-07 15:17:13 -0800 | [diff] [blame] | 24 | |
Ed Tanous | 3112a14 | 2018-11-29 15:45:10 -0800 | [diff] [blame] | 25 | #include <boost/asio/ssl/context.hpp> |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 26 | #include <boost/system/error_code.hpp> |
Gunnar Mills | 1214b7e | 2020-06-04 10:11:30 -0500 | [diff] [blame] | 27 | |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 28 | #include <filesystem> |
| 29 | #include <memory> |
Ed Tanous | 3ccb3ad | 2023-01-13 17:40:03 -0800 | [diff] [blame] | 30 | #include <optional> |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 31 | #include <random> |
Ed Tanous | 3ccb3ad | 2023-01-13 17:40:03 -0800 | [diff] [blame] | 32 | #include <string> |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 33 | |
| 34 | namespace ensuressl |
| 35 | { |
Patrick Williams | 89492a1 | 2023-05-10 07:51:34 -0500 | [diff] [blame] | 36 | constexpr const char* trustStorePath = "/etc/ssl/certs/authority"; |
| 37 | constexpr const char* x509Comment = "Generated from OpenBMC service"; |
Gunnar Mills | 1214b7e | 2020-06-04 10:11:30 -0500 | [diff] [blame] | 38 | static EVP_PKEY* createEcKey(); |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 39 | |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 40 | // Trust chain related errors.` |
| 41 | inline bool isTrustChainError(int errnum) |
| 42 | { |
Ed Tanous | 55f79e6 | 2022-01-25 11:26:16 -0800 | [diff] [blame] | 43 | return (errnum == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) || |
| 44 | (errnum == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN) || |
| 45 | (errnum == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY) || |
| 46 | (errnum == X509_V_ERR_CERT_UNTRUSTED) || |
| 47 | (errnum == X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE); |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 48 | } |
| 49 | |
Gunnar Mills | 1214b7e | 2020-06-04 10:11:30 -0500 | [diff] [blame] | 50 | inline bool validateCertificate(X509* const cert) |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 51 | { |
| 52 | // Create an empty X509_STORE structure for certificate validation. |
Gunnar Mills | 1214b7e | 2020-06-04 10:11:30 -0500 | [diff] [blame] | 53 | X509_STORE* x509Store = X509_STORE_new(); |
Ed Tanous | e662eae | 2022-01-25 10:39:19 -0800 | [diff] [blame] | 54 | if (x509Store == nullptr) |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 55 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 56 | BMCWEB_LOG_ERROR("Error occurred during X509_STORE_new call"); |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 57 | return false; |
| 58 | } |
| 59 | |
| 60 | // Load Certificate file into the X509 structure. |
Gunnar Mills | 1214b7e | 2020-06-04 10:11:30 -0500 | [diff] [blame] | 61 | X509_STORE_CTX* storeCtx = X509_STORE_CTX_new(); |
Ed Tanous | e662eae | 2022-01-25 10:39:19 -0800 | [diff] [blame] | 62 | if (storeCtx == nullptr) |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 63 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 64 | BMCWEB_LOG_ERROR("Error occurred during X509_STORE_CTX_new call"); |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 65 | X509_STORE_free(x509Store); |
| 66 | return false; |
| 67 | } |
| 68 | |
Ed Tanous | 99131cd | 2019-10-24 11:12:47 -0700 | [diff] [blame] | 69 | int errCode = X509_STORE_CTX_init(storeCtx, x509Store, cert, nullptr); |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 70 | if (errCode != 1) |
| 71 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 72 | BMCWEB_LOG_ERROR("Error occurred during X509_STORE_CTX_init call"); |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 73 | X509_STORE_CTX_free(storeCtx); |
| 74 | X509_STORE_free(x509Store); |
| 75 | return false; |
| 76 | } |
| 77 | |
| 78 | errCode = X509_verify_cert(storeCtx); |
| 79 | if (errCode == 1) |
| 80 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 81 | BMCWEB_LOG_INFO("Certificate verification is success"); |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 82 | X509_STORE_CTX_free(storeCtx); |
| 83 | X509_STORE_free(x509Store); |
| 84 | return true; |
| 85 | } |
| 86 | if (errCode == 0) |
| 87 | { |
| 88 | errCode = X509_STORE_CTX_get_error(storeCtx); |
| 89 | X509_STORE_CTX_free(storeCtx); |
| 90 | X509_STORE_free(x509Store); |
| 91 | if (isTrustChainError(errCode)) |
| 92 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 93 | BMCWEB_LOG_DEBUG("Ignoring Trust Chain error. Reason: {}", |
| 94 | X509_verify_cert_error_string(errCode)); |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 95 | return true; |
| 96 | } |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 97 | BMCWEB_LOG_ERROR("Certificate verification failed. Reason: {}", |
| 98 | X509_verify_cert_error_string(errCode)); |
Ed Tanous | 3174e4d | 2020-10-07 11:41:22 -0700 | [diff] [blame] | 99 | return false; |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 100 | } |
| 101 | |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 102 | BMCWEB_LOG_ERROR( |
| 103 | "Error occurred during X509_verify_cert call. ErrorCode: {}", errCode); |
Ramesh Iyyar | 082f28f | 2019-06-22 03:31:55 -0500 | [diff] [blame] | 104 | X509_STORE_CTX_free(storeCtx); |
| 105 | X509_STORE_free(x509Store); |
| 106 | return false; |
| 107 | } |
| 108 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 109 | inline std::string verifyOpensslKeyCert(const std::string& filepath) |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 110 | { |
| 111 | bool privateKeyValid = false; |
Ed Tanous | 9b65f1f | 2017-03-07 15:17:13 -0800 | [diff] [blame] | 112 | |
Ed Tanous | c160ae7 | 2024-03-27 18:45:20 -0700 | [diff] [blame] | 113 | BMCWEB_LOG_INFO("Checking certs in file {}", filepath); |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 114 | boost::beast::file_posix file; |
| 115 | boost::system::error_code ec; |
| 116 | file.open(filepath.c_str(), boost::beast::file_mode::read, ec); |
| 117 | if (ec) |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 118 | { |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 119 | return ""; |
| 120 | } |
| 121 | bool certValid = false; |
| 122 | std::string fileContents; |
| 123 | fileContents.resize(static_cast<size_t>(file.size(ec)), '\0'); |
| 124 | file.read(fileContents.data(), fileContents.size(), ec); |
| 125 | if (ec) |
| 126 | { |
| 127 | BMCWEB_LOG_ERROR("Failed to read file"); |
| 128 | return ""; |
| 129 | } |
Patrick Williams | 145bb76 | 2021-12-07 21:05:04 -0600 | [diff] [blame] | 130 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 131 | BIO* bufio = BIO_new_mem_buf(static_cast<void*>(fileContents.data()), |
| 132 | static_cast<int>(fileContents.size())); |
| 133 | EVP_PKEY* pkey = PEM_read_bio_PrivateKey(bufio, nullptr, nullptr, nullptr); |
| 134 | BIO_free(bufio); |
| 135 | if (pkey != nullptr) |
| 136 | { |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 137 | EVP_PKEY_CTX* pkeyCtx = EVP_PKEY_CTX_new_from_pkey(nullptr, pkey, |
| 138 | nullptr); |
| 139 | |
| 140 | if (pkeyCtx == nullptr) |
| 141 | { |
| 142 | BMCWEB_LOG_ERROR("Unable to allocate pkeyCtx {}", ERR_get_error()); |
| 143 | } |
| 144 | else if (EVP_PKEY_check(pkeyCtx) == 1) |
| 145 | { |
| 146 | privateKeyValid = true; |
| 147 | } |
| 148 | else |
| 149 | { |
| 150 | BMCWEB_LOG_ERROR("Key not valid error number {}", ERR_get_error()); |
| 151 | } |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 152 | |
| 153 | if (privateKeyValid) |
| 154 | { |
| 155 | BIO* bufio2 = |
| 156 | BIO_new_mem_buf(static_cast<void*>(fileContents.data()), |
| 157 | static_cast<int>(fileContents.size())); |
| 158 | X509* x509 = PEM_read_bio_X509(bufio2, nullptr, nullptr, nullptr); |
| 159 | BIO_free(bufio2); |
| 160 | if (x509 == nullptr) |
| 161 | { |
| 162 | BMCWEB_LOG_ERROR("error getting x509 cert {}", ERR_get_error()); |
| 163 | } |
| 164 | else |
| 165 | { |
| 166 | certValid = validateCertificate(x509); |
| 167 | X509_free(x509); |
| 168 | } |
| 169 | } |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 170 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 171 | EVP_PKEY_CTX_free(pkeyCtx); |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 172 | EVP_PKEY_free(pkey); |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 173 | } |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 174 | if (!certValid) |
| 175 | { |
| 176 | return ""; |
| 177 | } |
| 178 | return fileContents; |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 179 | } |
| 180 | |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 181 | inline X509* loadCert(const std::string& filePath) |
| 182 | { |
| 183 | BIO* certFileBio = BIO_new_file(filePath.c_str(), "rb"); |
Ed Tanous | e662eae | 2022-01-25 10:39:19 -0800 | [diff] [blame] | 184 | if (certFileBio == nullptr) |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 185 | { |
Ed Tanous | 8ece0e4 | 2024-01-02 13:16:50 -0800 | [diff] [blame] | 186 | BMCWEB_LOG_ERROR("Error occurred during BIO_new_file call, FILE= {}", |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 187 | filePath); |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 188 | return nullptr; |
| 189 | } |
| 190 | |
| 191 | X509* cert = X509_new(); |
Ed Tanous | e662eae | 2022-01-25 10:39:19 -0800 | [diff] [blame] | 192 | if (cert == nullptr) |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 193 | { |
Ed Tanous | 8ece0e4 | 2024-01-02 13:16:50 -0800 | [diff] [blame] | 194 | BMCWEB_LOG_ERROR("Error occurred during X509_new call, {}", |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 195 | ERR_get_error()); |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 196 | BIO_free(certFileBio); |
| 197 | return nullptr; |
| 198 | } |
| 199 | |
Ed Tanous | e662eae | 2022-01-25 10:39:19 -0800 | [diff] [blame] | 200 | if (PEM_read_bio_X509(certFileBio, &cert, nullptr, nullptr) == nullptr) |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 201 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 202 | BMCWEB_LOG_ERROR( |
Ed Tanous | 8ece0e4 | 2024-01-02 13:16:50 -0800 | [diff] [blame] | 203 | "Error occurred during PEM_read_bio_X509 call, FILE= {}", filePath); |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 204 | |
| 205 | BIO_free(certFileBio); |
| 206 | X509_free(cert); |
| 207 | return nullptr; |
| 208 | } |
Alan Kuo | b295bf9 | 2021-04-16 14:16:47 +0800 | [diff] [blame] | 209 | BIO_free(certFileBio); |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 210 | return cert; |
| 211 | } |
| 212 | |
| 213 | inline int addExt(X509* cert, int nid, const char* value) |
| 214 | { |
| 215 | X509_EXTENSION* ex = nullptr; |
Ed Tanous | b00dcc2 | 2021-02-23 12:52:50 -0800 | [diff] [blame] | 216 | X509V3_CTX ctx{}; |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 217 | X509V3_set_ctx(&ctx, cert, cert, nullptr, nullptr, 0); |
Ed Tanous | 4ecc618 | 2022-01-07 09:36:26 -0800 | [diff] [blame] | 218 | |
| 219 | // NOLINTNEXTLINE(cppcoreguidelines-pro-type-const-cast) |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 220 | ex = X509V3_EXT_conf_nid(nullptr, &ctx, nid, const_cast<char*>(value)); |
Ed Tanous | e662eae | 2022-01-25 10:39:19 -0800 | [diff] [blame] | 221 | if (ex == nullptr) |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 222 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 223 | BMCWEB_LOG_ERROR("Error: In X509V3_EXT_conf_nidn: {}", value); |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 224 | return -1; |
| 225 | } |
| 226 | X509_add_ext(cert, ex, -1); |
| 227 | X509_EXTENSION_free(ex); |
| 228 | return 0; |
| 229 | } |
| 230 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 231 | // Writes a certificate to a path, ignoring errors |
| 232 | inline void writeCertificateToFile(const std::string& filepath, |
| 233 | const std::string& certificate) |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 234 | { |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 235 | boost::system::error_code ec; |
| 236 | boost::beast::file_posix file; |
| 237 | file.open(filepath.c_str(), boost::beast::file_mode::write, ec); |
| 238 | if (!ec) |
| 239 | { |
| 240 | file.write(certificate.data(), certificate.size(), ec); |
| 241 | // ignore result |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | inline std::string generateSslCertificate(const std::string& cn) |
| 246 | { |
Ed Tanous | c160ae7 | 2024-03-27 18:45:20 -0700 | [diff] [blame] | 247 | BMCWEB_LOG_INFO("Generating new keys"); |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 248 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 249 | std::string buffer; |
Ed Tanous | c160ae7 | 2024-03-27 18:45:20 -0700 | [diff] [blame] | 250 | BMCWEB_LOG_INFO("Generating EC key"); |
Gunnar Mills | 1214b7e | 2020-06-04 10:11:30 -0500 | [diff] [blame] | 251 | EVP_PKEY* pPrivKey = createEcKey(); |
Vernon Mauery | 0185c7f | 2020-03-09 10:56:53 -0700 | [diff] [blame] | 252 | if (pPrivKey != nullptr) |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 253 | { |
Ed Tanous | c160ae7 | 2024-03-27 18:45:20 -0700 | [diff] [blame] | 254 | BMCWEB_LOG_INFO("Generating x509 Certificates"); |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 255 | // Use this code to directly generate a certificate |
Ed Tanous | 543f440 | 2022-01-06 13:12:53 -0800 | [diff] [blame] | 256 | X509* x509 = X509_new(); |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 257 | if (x509 != nullptr) |
| 258 | { |
| 259 | // get a random number from the RNG for the certificate serial |
Ed Tanous | 8ece0e4 | 2024-01-02 13:16:50 -0800 | [diff] [blame] | 260 | // number If this is not random, regenerating certs throws browser |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 261 | // errors |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 262 | bmcweb::OpenSSLGenerator gen; |
| 263 | std::uniform_int_distribution<int> dis( |
| 264 | 1, std::numeric_limits<int>::max()); |
| 265 | int serial = dis(gen); |
Ed Tanous | 9b65f1f | 2017-03-07 15:17:13 -0800 | [diff] [blame] | 266 | |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 267 | ASN1_INTEGER_set(X509_get_serialNumber(x509), serial); |
Ed Tanous | 9b65f1f | 2017-03-07 15:17:13 -0800 | [diff] [blame] | 268 | |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 269 | // not before this moment |
| 270 | X509_gmtime_adj(X509_get_notBefore(x509), 0); |
| 271 | // Cert is valid for 10 years |
| 272 | X509_gmtime_adj(X509_get_notAfter(x509), |
| 273 | 60L * 60L * 24L * 365L * 10L); |
Ed Tanous | 9b65f1f | 2017-03-07 15:17:13 -0800 | [diff] [blame] | 274 | |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 275 | // set the public key to the key we just generated |
Vernon Mauery | 0185c7f | 2020-03-09 10:56:53 -0700 | [diff] [blame] | 276 | X509_set_pubkey(x509, pPrivKey); |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 277 | |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 278 | // get the subject name |
Ed Tanous | 543f440 | 2022-01-06 13:12:53 -0800 | [diff] [blame] | 279 | X509_NAME* name = X509_get_subject_name(x509); |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 280 | |
Ed Tanous | 46ff87b | 2022-01-07 09:25:51 -0800 | [diff] [blame] | 281 | using x509String = const unsigned char; |
| 282 | // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast) |
| 283 | x509String* country = reinterpret_cast<x509String*>("US"); |
| 284 | // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast) |
| 285 | x509String* company = reinterpret_cast<x509String*>("OpenBMC"); |
| 286 | // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast) |
| 287 | x509String* cnStr = reinterpret_cast<x509String*>(cn.c_str()); |
| 288 | |
| 289 | X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC, country, -1, -1, |
| 290 | 0); |
| 291 | X509_NAME_add_entry_by_txt(name, "O", MBSTRING_ASC, company, -1, -1, |
| 292 | 0); |
| 293 | X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_ASC, cnStr, -1, -1, |
| 294 | 0); |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 295 | // set the CSR options |
| 296 | X509_set_issuer_name(x509, name); |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 297 | |
Alan Kuo | a822070 | 2020-11-26 11:15:29 +0800 | [diff] [blame] | 298 | X509_set_version(x509, 2); |
| 299 | addExt(x509, NID_basic_constraints, ("critical,CA:TRUE")); |
| 300 | addExt(x509, NID_subject_alt_name, ("DNS:" + cn).c_str()); |
| 301 | addExt(x509, NID_subject_key_identifier, ("hash")); |
| 302 | addExt(x509, NID_authority_key_identifier, ("keyid")); |
| 303 | addExt(x509, NID_key_usage, ("digitalSignature, keyEncipherment")); |
| 304 | addExt(x509, NID_ext_key_usage, ("serverAuth")); |
| 305 | addExt(x509, NID_netscape_comment, (x509Comment)); |
| 306 | |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 307 | // Sign the certificate with our private key |
Vernon Mauery | 0185c7f | 2020-03-09 10:56:53 -0700 | [diff] [blame] | 308 | X509_sign(x509, pPrivKey, EVP_sha256()); |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 309 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 310 | BIO* bufio = BIO_new(BIO_s_mem()); |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 311 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 312 | int pkeyRet = PEM_write_bio_PrivateKey( |
| 313 | bufio, pPrivKey, nullptr, nullptr, 0, nullptr, nullptr); |
| 314 | if (pkeyRet <= 0) |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 315 | { |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 316 | BMCWEB_LOG_ERROR( |
| 317 | "Failed to write pkey with code {}. Ignoring.", pkeyRet); |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 318 | } |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 319 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 320 | char* data = nullptr; |
| 321 | long int dataLen = BIO_get_mem_data(bufio, &data); |
| 322 | buffer += std::string_view(data, static_cast<size_t>(dataLen)); |
| 323 | BIO_free(bufio); |
| 324 | |
| 325 | bufio = BIO_new(BIO_s_mem()); |
| 326 | pkeyRet = PEM_write_bio_X509(bufio, x509); |
| 327 | if (pkeyRet <= 0) |
| 328 | { |
| 329 | BMCWEB_LOG_ERROR( |
| 330 | "Failed to write X509 with code {}. Ignoring.", pkeyRet); |
| 331 | } |
| 332 | dataLen = BIO_get_mem_data(bufio, &data); |
| 333 | buffer += std::string_view(data, static_cast<size_t>(dataLen)); |
| 334 | |
| 335 | BIO_free(bufio); |
| 336 | BMCWEB_LOG_INFO("Cert size is {}", buffer.size()); |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 337 | X509_free(x509); |
| 338 | } |
| 339 | |
Vernon Mauery | 0185c7f | 2020-03-09 10:56:53 -0700 | [diff] [blame] | 340 | EVP_PKEY_free(pPrivKey); |
| 341 | pPrivKey = nullptr; |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 342 | } |
| 343 | |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 344 | // cleanup_openssl(); |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 345 | return buffer; |
Ed Tanous | 9992332 | 2017-03-03 14:21:24 -0800 | [diff] [blame] | 346 | } |
Ed Tanous | b01bf29 | 2019-03-25 19:25:26 +0000 | [diff] [blame] | 347 | |
Gunnar Mills | 1214b7e | 2020-06-04 10:11:30 -0500 | [diff] [blame] | 348 | EVP_PKEY* createEcKey() |
Ed Tanous | b01bf29 | 2019-03-25 19:25:26 +0000 | [diff] [blame] | 349 | { |
Gunnar Mills | 1214b7e | 2020-06-04 10:11:30 -0500 | [diff] [blame] | 350 | EVP_PKEY* pKey = nullptr; |
Patrick Williams | aec7066 | 2021-12-13 16:55:46 -0600 | [diff] [blame] | 351 | |
Patrick Williams | aec7066 | 2021-12-13 16:55:46 -0600 | [diff] [blame] | 352 | // Create context for curve parameter generation. |
| 353 | std::unique_ptr<EVP_PKEY_CTX, decltype(&::EVP_PKEY_CTX_free)> ctx{ |
| 354 | EVP_PKEY_CTX_new_id(EVP_PKEY_EC, nullptr), &::EVP_PKEY_CTX_free}; |
| 355 | if (!ctx) |
| 356 | { |
| 357 | return nullptr; |
| 358 | } |
| 359 | |
| 360 | // Set up curve parameters. |
| 361 | EVP_PKEY* params = nullptr; |
| 362 | if ((EVP_PKEY_paramgen_init(ctx.get()) <= 0) || |
| 363 | (EVP_PKEY_CTX_set_ec_param_enc(ctx.get(), OPENSSL_EC_NAMED_CURVE) <= |
| 364 | 0) || |
| 365 | (EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx.get(), NID_secp384r1) <= |
| 366 | 0) || |
| 367 | (EVP_PKEY_paramgen(ctx.get(), ¶ms) <= 0)) |
| 368 | { |
| 369 | return nullptr; |
| 370 | } |
| 371 | |
| 372 | // Set up RAII holder for params. |
| 373 | std::unique_ptr<EVP_PKEY, decltype(&::EVP_PKEY_free)> pparams{ |
| 374 | params, &::EVP_PKEY_free}; |
| 375 | |
| 376 | // Set new context for key generation, using curve parameters. |
| 377 | ctx.reset(EVP_PKEY_CTX_new_from_pkey(nullptr, params, nullptr)); |
| 378 | if (!ctx || (EVP_PKEY_keygen_init(ctx.get()) <= 0)) |
| 379 | { |
| 380 | return nullptr; |
| 381 | } |
| 382 | |
| 383 | // Generate key. |
| 384 | if (EVP_PKEY_keygen(ctx.get(), &pKey) <= 0) |
| 385 | { |
| 386 | return nullptr; |
| 387 | } |
Patrick Williams | aec7066 | 2021-12-13 16:55:46 -0600 | [diff] [blame] | 388 | |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 389 | return pKey; |
| 390 | } |
| 391 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 392 | inline std::string ensureOpensslKeyPresentAndValid(const std::string& filepath) |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 393 | { |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 394 | std::string cert = verifyOpensslKeyCert(filepath); |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 395 | |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 396 | if (cert.empty()) |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 397 | { |
Ed Tanous | c160ae7 | 2024-03-27 18:45:20 -0700 | [diff] [blame] | 398 | BMCWEB_LOG_WARNING("Error in verifying signature, regenerating"); |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 399 | cert = generateSslCertificate("testhost"); |
| 400 | if (cert.empty()) |
| 401 | { |
| 402 | BMCWEB_LOG_ERROR("Failed to generate cert"); |
| 403 | } |
| 404 | else |
| 405 | { |
| 406 | writeCertificateToFile(filepath, cert); |
| 407 | } |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 408 | } |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 409 | return cert; |
Ed Tanous | 0fdddb1 | 2017-02-28 11:06:34 -0800 | [diff] [blame] | 410 | } |
Ed Tanous | c4771fb | 2017-03-13 13:39:49 -0700 | [diff] [blame] | 411 | |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 412 | inline std::string ensureCertificate() |
| 413 | { |
| 414 | namespace fs = std::filesystem; |
| 415 | // Cleanup older certificate file existing in the system |
| 416 | fs::path oldcertPath = fs::path("/home/root/server.pem"); |
| 417 | std::error_code ec; |
| 418 | fs::remove(oldcertPath, ec); |
| 419 | // Ignore failure to remove; File might not exist. |
| 420 | |
| 421 | fs::path certPath = "/etc/ssl/certs/https/"; |
| 422 | // if path does not exist create the path so that |
| 423 | // self signed certificate can be created in the |
| 424 | // path |
| 425 | fs::path certFile = certPath / "server.pem"; |
| 426 | |
| 427 | if (!fs::exists(certPath, ec)) |
| 428 | { |
Andrew Geissler | 00a0fe4 | 2024-06-11 11:21:30 -0400 | [diff] [blame] | 429 | fs::create_directories(certPath, ec); |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 430 | } |
| 431 | BMCWEB_LOG_INFO("Building SSL Context file= {}", certFile.string()); |
| 432 | std::string sslPemFile(certFile); |
| 433 | return ensuressl::ensureOpensslKeyPresentAndValid(sslPemFile); |
| 434 | } |
| 435 | |
Ed Tanous | fca2cbe | 2021-01-28 14:49:59 -0800 | [diff] [blame] | 436 | inline int nextProtoCallback(SSL* /*unused*/, const unsigned char** data, |
| 437 | unsigned int* len, void* /*unused*/) |
| 438 | { |
| 439 | // First byte is the length. |
| 440 | constexpr std::string_view h2 = "\x02h2"; |
| 441 | *data = std::bit_cast<const unsigned char*>(h2.data()); |
| 442 | *len = static_cast<unsigned int>(h2.size()); |
| 443 | return SSL_TLSEXT_ERR_OK; |
| 444 | } |
| 445 | |
| 446 | inline int alpnSelectProtoCallback(SSL* /*unused*/, const unsigned char** out, |
| 447 | unsigned char* outlen, |
| 448 | const unsigned char* in, unsigned int inlen, |
| 449 | void* /*unused*/) |
| 450 | { |
| 451 | // There's a mismatch in constness for nghttp2_select_next_protocol. The |
| 452 | // examples in nghttp2 don't show this problem. Unclear what the right fix |
| 453 | // is here. |
| 454 | |
| 455 | // NOLINTNEXTLINE(cppcoreguidelines-pro-type-const-cast) |
| 456 | unsigned char** outNew = const_cast<unsigned char**>(out); |
| 457 | int rv = nghttp2_select_next_protocol(outNew, outlen, in, inlen); |
| 458 | if (rv != 1) |
| 459 | { |
| 460 | return SSL_TLSEXT_ERR_NOACK; |
| 461 | } |
| 462 | |
| 463 | return SSL_TLSEXT_ERR_OK; |
| 464 | } |
| 465 | |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 466 | inline bool getSslContext(boost::asio::ssl::context& mSslContext, |
| 467 | const std::string& sslPemFile) |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 468 | { |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 469 | mSslContext.set_options(boost::asio::ssl::context::default_workarounds | |
| 470 | boost::asio::ssl::context::no_sslv2 | |
| 471 | boost::asio::ssl::context::no_sslv3 | |
| 472 | boost::asio::ssl::context::single_dh_use | |
| 473 | boost::asio::ssl::context::no_tlsv1 | |
| 474 | boost::asio::ssl::context::no_tlsv1_1); |
James Feist | 6a3e182 | 2019-11-06 13:46:35 -0800 | [diff] [blame] | 475 | |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 476 | BMCWEB_LOG_DEBUG("Using default TrustStore location: {}", trustStorePath); |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 477 | mSslContext.add_verify_path(trustStorePath); |
Kowalski, Kamil | 55e43f6 | 2019-07-10 13:12:57 +0200 | [diff] [blame] | 478 | |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 479 | if (!sslPemFile.empty()) |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 480 | { |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 481 | boost::system::error_code ec; |
| 482 | |
| 483 | boost::asio::const_buffer buf(sslPemFile.data(), sslPemFile.size()); |
| 484 | mSslContext.use_certificate(buf, boost::asio::ssl::context::pem, ec); |
| 485 | if (ec) |
| 486 | { |
| 487 | return false; |
| 488 | } |
| 489 | mSslContext.use_private_key(buf, boost::asio::ssl::context::pem, ec); |
| 490 | if (ec) |
| 491 | { |
| 492 | BMCWEB_LOG_CRITICAL("Failed to open ssl pkey"); |
| 493 | return false; |
| 494 | } |
Ed Tanous | 099225c | 2024-03-27 22:03:05 -0700 | [diff] [blame] | 495 | } |
Ed Tanous | c4771fb | 2017-03-13 13:39:49 -0700 | [diff] [blame] | 496 | |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 497 | // Set up EC curves to auto (boost asio doesn't have a method for this) |
| 498 | // There is a pull request to add this. Once this is included in an asio |
| 499 | // drop, use the right way |
| 500 | // http://stackoverflow.com/questions/18929049/boost-asio-with-ecdsa-certificate-issue |
Marri Devender Rao | 5968cae | 2019-01-21 10:27:12 -0600 | [diff] [blame] | 501 | if (SSL_CTX_set_ecdh_auto(mSslContext->native_handle(), 1) != 1) |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 502 | {} |
Ed Tanous | c4771fb | 2017-03-13 13:39:49 -0700 | [diff] [blame] | 503 | |
Ed Tanous | e96d7fb | 2023-06-14 14:53:29 -0700 | [diff] [blame] | 504 | // Mozilla intermediate cipher suites v5.7 |
| 505 | // Sourced from: https://ssl-config.mozilla.org/guidelines/5.7.json |
| 506 | const char* mozillaIntermediate = "ECDHE-ECDSA-AES128-GCM-SHA256:" |
| 507 | "ECDHE-RSA-AES128-GCM-SHA256:" |
| 508 | "ECDHE-ECDSA-AES256-GCM-SHA384:" |
| 509 | "ECDHE-RSA-AES256-GCM-SHA384:" |
| 510 | "ECDHE-ECDSA-CHACHA20-POLY1305:" |
| 511 | "ECDHE-RSA-CHACHA20-POLY1305:" |
| 512 | "DHE-RSA-AES128-GCM-SHA256:" |
| 513 | "DHE-RSA-AES256-GCM-SHA384:" |
| 514 | "DHE-RSA-CHACHA20-POLY1305"; |
Ed Tanous | c4771fb | 2017-03-13 13:39:49 -0700 | [diff] [blame] | 515 | |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 516 | if (SSL_CTX_set_cipher_list(mSslContext.native_handle(), |
Ed Tanous | e96d7fb | 2023-06-14 14:53:29 -0700 | [diff] [blame] | 517 | mozillaIntermediate) != 1) |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 518 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 519 | BMCWEB_LOG_ERROR("Error setting cipher list"); |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 520 | return false; |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 521 | } |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 522 | return true; |
| 523 | } |
| 524 | |
| 525 | inline std::shared_ptr<boost::asio::ssl::context> getSslServerContext() |
| 526 | { |
| 527 | boost::asio::ssl::context sslCtx(boost::asio::ssl::context::tls_server); |
| 528 | |
| 529 | auto certFile = ensureCertificate(); |
| 530 | if (!getSslContext(sslCtx, certFile)) |
| 531 | { |
| 532 | BMCWEB_LOG_CRITICAL("Couldn't get server context"); |
| 533 | return nullptr; |
| 534 | } |
Ed Tanous | 3281bcf | 2024-06-25 16:02:05 -0700 | [diff] [blame] | 535 | const persistent_data::AuthConfigMethods& c = |
| 536 | persistent_data::SessionStore::getInstance().getAuthMethodsConfig(); |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 537 | |
Ed Tanous | 3281bcf | 2024-06-25 16:02:05 -0700 | [diff] [blame] | 538 | boost::asio::ssl::verify_mode mode = boost::asio::ssl::verify_peer; |
| 539 | if (c.tlsStrict) |
| 540 | { |
| 541 | BMCWEB_LOG_DEBUG("Setting verify peer"); |
| 542 | mode |= boost::asio::ssl::verify_fail_if_no_peer_cert; |
| 543 | } |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 544 | |
Ed Tanous | 3281bcf | 2024-06-25 16:02:05 -0700 | [diff] [blame] | 545 | boost::system::error_code ec; |
| 546 | sslCtx.set_verify_mode(mode, ec); |
| 547 | if (ec) |
| 548 | { |
| 549 | BMCWEB_LOG_DEBUG("Failed to set verify mode {}", ec.message()); |
| 550 | return nullptr; |
| 551 | } |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 552 | SSL_CTX_set_options(sslCtx.native_handle(), SSL_OP_NO_RENEGOTIATION); |
| 553 | |
| 554 | if constexpr (BMCWEB_EXPERIMENTAL_HTTP2) |
| 555 | { |
| 556 | SSL_CTX_set_next_protos_advertised_cb(sslCtx.native_handle(), |
| 557 | nextProtoCallback, nullptr); |
| 558 | |
| 559 | SSL_CTX_set_alpn_select_cb(sslCtx.native_handle(), |
| 560 | alpnSelectProtoCallback, nullptr); |
| 561 | } |
| 562 | |
| 563 | return std::make_shared<boost::asio::ssl::context>(std::move(sslCtx)); |
Ed Tanous | c4771fb | 2017-03-13 13:39:49 -0700 | [diff] [blame] | 564 | } |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 565 | |
Ed Tanous | 19bb362 | 2024-07-05 10:07:40 -0500 | [diff] [blame] | 566 | enum class VerifyCertificate |
| 567 | { |
| 568 | Verify, |
| 569 | NoVerify |
| 570 | }; |
| 571 | |
| 572 | inline std::optional<boost::asio::ssl::context> |
| 573 | getSSLClientContext(VerifyCertificate verifyCertificate) |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 574 | { |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 575 | namespace fs = std::filesystem; |
| 576 | |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 577 | boost::asio::ssl::context sslCtx(boost::asio::ssl::context::tls_client); |
| 578 | |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 579 | // NOTE, this path is temporary; In the future it will need to change to |
| 580 | // be set per subscription. Do not rely on this. |
| 581 | fs::path certPath = "/etc/ssl/certs/https/client.pem"; |
| 582 | std::string cert = verifyOpensslKeyCert(certPath); |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 583 | |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 584 | if (!getSslContext(sslCtx, cert)) |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 585 | { |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 586 | return std::nullopt; |
| 587 | } |
| 588 | |
| 589 | // Add a directory containing certificate authority files to be used |
| 590 | // for performing verification. |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 591 | boost::system::error_code ec; |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 592 | sslCtx.set_default_verify_paths(ec); |
| 593 | if (ec) |
| 594 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 595 | BMCWEB_LOG_ERROR("SSL context set_default_verify failed"); |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 596 | return std::nullopt; |
| 597 | } |
| 598 | |
Ed Tanous | 19bb362 | 2024-07-05 10:07:40 -0500 | [diff] [blame] | 599 | int mode = boost::asio::ssl::verify_peer; |
| 600 | if (verifyCertificate == VerifyCertificate::NoVerify) |
| 601 | { |
| 602 | mode = boost::asio::ssl::verify_none; |
| 603 | } |
| 604 | |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 605 | // Verify the remote server's certificate |
Ed Tanous | 19bb362 | 2024-07-05 10:07:40 -0500 | [diff] [blame] | 606 | sslCtx.set_verify_mode(mode, ec); |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 607 | if (ec) |
| 608 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 609 | BMCWEB_LOG_ERROR("SSL context set_verify_mode failed"); |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 610 | return std::nullopt; |
| 611 | } |
| 612 | |
| 613 | // All cipher suites are set as per OWASP datasheet. |
| 614 | // https://cheatsheetseries.owasp.org/cheatsheets/TLS_Cipher_String_Cheat_Sheet.html |
| 615 | constexpr const char* sslCiphers = "ECDHE-ECDSA-AES128-GCM-SHA256:" |
| 616 | "ECDHE-RSA-AES128-GCM-SHA256:" |
| 617 | "ECDHE-ECDSA-AES256-GCM-SHA384:" |
| 618 | "ECDHE-RSA-AES256-GCM-SHA384:" |
| 619 | "ECDHE-ECDSA-CHACHA20-POLY1305:" |
| 620 | "ECDHE-RSA-CHACHA20-POLY1305:" |
| 621 | "DHE-RSA-AES128-GCM-SHA256:" |
| 622 | "DHE-RSA-AES256-GCM-SHA384" |
| 623 | "TLS_AES_128_GCM_SHA256:" |
| 624 | "TLS_AES_256_GCM_SHA384:" |
| 625 | "TLS_CHACHA20_POLY1305_SHA256"; |
| 626 | |
| 627 | if (SSL_CTX_set_cipher_list(sslCtx.native_handle(), sslCiphers) != 1) |
| 628 | { |
Ed Tanous | 62598e3 | 2023-07-17 17:06:25 -0700 | [diff] [blame] | 629 | BMCWEB_LOG_ERROR("SSL_CTX_set_cipher_list failed"); |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 630 | return std::nullopt; |
| 631 | } |
| 632 | |
Abhilash Raju | d5fb584 | 2024-06-03 11:40:17 -0500 | [diff] [blame] | 633 | return {std::move(sslCtx)}; |
AppaRao Puli | e38778a | 2022-06-27 23:09:03 +0000 | [diff] [blame] | 634 | } |
| 635 | |
Ed Tanous | 1abe55e | 2018-09-05 08:30:59 -0700 | [diff] [blame] | 636 | } // namespace ensuressl |