folly/io/async/ssl/OpenSSLPtrTypes.h

   1 /*
   2  * Copyright 2016 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 #pragma once
  18
  19 #include <glog/logging.h>
  20 #include <openssl/evp.h>
  21 #include <openssl/rsa.h>
  22 #include <openssl/ssl.h>
  23 #ifndef OPENSSL_NO_EC
  24 #include <openssl/ec.h>
  25 #endif
  26 #include <folly/Memory.h>
  27 #include <openssl/bio.h>
  28 #include <openssl/x509.h>
  29
  30 namespace folly {
  31 namespace ssl {
  32
  33 // X509
  34 using X509Deleter = folly::static_function_deleter<X509, &X509_free>;
  35 using X509UniquePtr = std::unique_ptr<X509, X509Deleter>;
  36 using X509StoreCtxDeleter =
  37     folly::static_function_deleter<X509_STORE_CTX, &X509_STORE_CTX_free>;
  38 using X509StoreCtxUniquePtr =
  39     std::unique_ptr<X509_STORE_CTX, X509StoreCtxDeleter>;
  40
  41 // EVP
  42 using EvpPkeyDel = folly::static_function_deleter<EVP_PKEY, &EVP_PKEY_free>;
  43 using EvpPkeyUniquePtr = std::unique_ptr<EVP_PKEY, EvpPkeyDel>;
  44 using EvpPkeySharedPtr = std::shared_ptr<EVP_PKEY>;
  45
  46 // No EVP_PKEY_CTX <= 0.9.8b
  47 #if OPENSSL_VERSION_NUMBER >= 0x10000002L
  48 using EvpPkeyCtxDeleter =
  49     folly::static_function_deleter<EVP_PKEY_CTX, &EVP_PKEY_CTX_free>;
  50 using EvpPkeyCtxUniquePtr = std::unique_ptr<EVP_PKEY_CTX, EvpPkeyCtxDeleter>;
  51 #else
  52 struct EVP_PKEY_CTX;
  53 #endif
  54 using EvpMdCtxDeleter =
  55     folly::static_function_deleter<EVP_MD_CTX, &EVP_MD_CTX_destroy>;
  56 using EvpMdCtxUniquePtr = std::unique_ptr<EVP_MD_CTX, EvpMdCtxDeleter>;
  57
  58 // BIO
  59 using BioDeleter = folly::static_function_deleter<BIO, &BIO_vfree>;
  60 using BioUniquePtr = std::unique_ptr<BIO, BioDeleter>;
  61 using BioChainDeleter = folly::static_function_deleter<BIO, &BIO_free_all>;
  62 using BioChainUniquePtr = std::unique_ptr<BIO, BioChainDeleter>;
  63 inline void BIO_free_fb(BIO* bio) { CHECK_EQ(1, BIO_free(bio)); }
  64 using BioDeleterFb = folly::static_function_deleter<BIO, &BIO_free_fb>;
  65 using BioUniquePtrFb = std::unique_ptr<BIO, BioDeleterFb>;
  66
  67 // RSA and EC
  68 using RsaDeleter = folly::static_function_deleter<RSA, &RSA_free>;
  69 using RsaUniquePtr = std::unique_ptr<RSA, RsaDeleter>;
  70 #ifndef OPENSSL_NO_EC
  71 using EcKeyDeleter = folly::static_function_deleter<EC_KEY, &EC_KEY_free>;
  72 using EcKeyUniquePtr = std::unique_ptr<EC_KEY, EcKeyDeleter>;
  73 #endif
  74
  75 // SSL and SSL_CTX
  76 using SSLDeleter = folly::static_function_deleter<SSL, &SSL_free>;
  77 using SSLUniquePtr = std::unique_ptr<SSL, SSLDeleter>;
  78 }
  79 }