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/bn.h>
  21 #include <openssl/evp.h>
  22 #include <openssl/rsa.h>
  23 #include <openssl/ssl.h>
  24 #ifndef OPENSSL_NO_EC
  25 #include <openssl/ec.h>
  26 #endif
  27 #include <folly/Memory.h>
  28 #include <openssl/bio.h>
  29 #include <openssl/x509.h>
  30
  31 namespace folly {
  32 namespace ssl {
  33
  34 // X509
  35 using X509Deleter = folly::static_function_deleter<X509, &X509_free>;
  36 using X509UniquePtr = std::unique_ptr<X509, X509Deleter>;
  37 using X509StoreCtxDeleter =
  38     folly::static_function_deleter<X509_STORE_CTX, &X509_STORE_CTX_free>;
  39 using X509StoreCtxUniquePtr =
  40     std::unique_ptr<X509_STORE_CTX, X509StoreCtxDeleter>;
  41 using X509VerifyParamDeleter =
  42     folly::static_function_deleter<X509_VERIFY_PARAM, &X509_VERIFY_PARAM_free>;
  43 using X509VerifyParam =
  44     std::unique_ptr<X509_VERIFY_PARAM, X509VerifyParamDeleter>;
  45
  46 // EVP
  47 using EvpPkeyDel = folly::static_function_deleter<EVP_PKEY, &EVP_PKEY_free>;
  48 using EvpPkeyUniquePtr = std::unique_ptr<EVP_PKEY, EvpPkeyDel>;
  49 using EvpPkeySharedPtr = std::shared_ptr<EVP_PKEY>;
  50
  51 // No EVP_PKEY_CTX <= 0.9.8b
  52 #if OPENSSL_VERSION_NUMBER >= 0x10000002L
  53 using EvpPkeyCtxDeleter =
  54     folly::static_function_deleter<EVP_PKEY_CTX, &EVP_PKEY_CTX_free>;
  55 using EvpPkeyCtxUniquePtr = std::unique_ptr<EVP_PKEY_CTX, EvpPkeyCtxDeleter>;
  56 #else
  57 struct EVP_PKEY_CTX;
  58 #endif
  59 using EvpMdCtxDeleter =
  60     folly::static_function_deleter<EVP_MD_CTX, &EVP_MD_CTX_destroy>;
  61 using EvpMdCtxUniquePtr = std::unique_ptr<EVP_MD_CTX, EvpMdCtxDeleter>;
  62
  63 // BIO
  64 using BioDeleter = folly::static_function_deleter<BIO, &BIO_vfree>;
  65 using BioUniquePtr = std::unique_ptr<BIO, BioDeleter>;
  66 using BioChainDeleter = folly::static_function_deleter<BIO, &BIO_free_all>;
  67 using BioChainUniquePtr = std::unique_ptr<BIO, BioChainDeleter>;
  68 inline void BIO_free_fb(BIO* bio) { CHECK_EQ(1, BIO_free(bio)); }
  69 using BioDeleterFb = folly::static_function_deleter<BIO, &BIO_free_fb>;
  70 using BioUniquePtrFb = std::unique_ptr<BIO, BioDeleterFb>;
  71
  72 // RSA and EC
  73 using RsaDeleter = folly::static_function_deleter<RSA, &RSA_free>;
  74 using RsaUniquePtr = std::unique_ptr<RSA, RsaDeleter>;
  75 #ifndef OPENSSL_NO_EC
  76 using EcKeyDeleter = folly::static_function_deleter<EC_KEY, &EC_KEY_free>;
  77 using EcKeyUniquePtr = std::unique_ptr<EC_KEY, EcKeyDeleter>;
  78 #endif
  79
  80 // BIGNUMs
  81 using BIGNUMDeleter = folly::static_function_deleter<BIGNUM, &BN_clear_free>;
  82 using BIGNUMUniquePtr = std::unique_ptr<BIGNUM, BIGNUMDeleter>;
  83
  84 // SSL and SSL_CTX
  85 using SSLDeleter = folly::static_function_deleter<SSL, &SSL_free>;
  86 using SSLUniquePtr = std::unique_ptr<SSL, SSLDeleter>;
  87 }
  88 }