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
  21 #include <openssl/asn1.h>
  22 #include <openssl/bio.h>
  23 #include <openssl/bn.h>
  24 #ifndef OPENSSL_NO_EC
  25 #include <openssl/ec.h>
  26 #endif
  27 #include <openssl/evp.h>
  28 #include <openssl/rsa.h>
  29 #include <openssl/ssl.h>
  30 #include <openssl/x509.h>
  31
  32 #include <folly/Memory.h>
  33
  34 namespace folly {
  35 namespace ssl {
  36
  37 // ASN1
  38 using ASN1TimeDeleter =
  39     folly::static_function_deleter<ASN1_TIME, &ASN1_TIME_free>;
  40 using ASN1TimeUniquePtr = std::unique_ptr<ASN1_TIME, ASN1TimeDeleter>;
  41
  42 // X509
  43 using X509Deleter = folly::static_function_deleter<X509, &X509_free>;
  44 using X509UniquePtr = std::unique_ptr<X509, X509Deleter>;
  45 using X509StoreCtxDeleter =
  46     folly::static_function_deleter<X509_STORE_CTX, &X509_STORE_CTX_free>;
  47 using X509StoreCtxUniquePtr =
  48     std::unique_ptr<X509_STORE_CTX, X509StoreCtxDeleter>;
  49 using X509VerifyParamDeleter =
  50     folly::static_function_deleter<X509_VERIFY_PARAM, &X509_VERIFY_PARAM_free>;
  51 using X509VerifyParam =
  52     std::unique_ptr<X509_VERIFY_PARAM, X509VerifyParamDeleter>;
  53
  54 // EVP
  55 using EvpPkeyDel = folly::static_function_deleter<EVP_PKEY, &EVP_PKEY_free>;
  56 using EvpPkeyUniquePtr = std::unique_ptr<EVP_PKEY, EvpPkeyDel>;
  57 using EvpPkeySharedPtr = std::shared_ptr<EVP_PKEY>;
  58
  59 // No EVP_PKEY_CTX <= 0.9.8b
  60 #if OPENSSL_VERSION_NUMBER >= 0x10000002L
  61 using EvpPkeyCtxDeleter =
  62     folly::static_function_deleter<EVP_PKEY_CTX, &EVP_PKEY_CTX_free>;
  63 using EvpPkeyCtxUniquePtr = std::unique_ptr<EVP_PKEY_CTX, EvpPkeyCtxDeleter>;
  64 #else
  65 struct EVP_PKEY_CTX;
  66 #endif
  67 using EvpMdCtxDeleter =
  68     folly::static_function_deleter<EVP_MD_CTX, &EVP_MD_CTX_destroy>;
  69 using EvpMdCtxUniquePtr = std::unique_ptr<EVP_MD_CTX, EvpMdCtxDeleter>;
  70
  71 // BIO
  72 using BioDeleter = folly::static_function_deleter<BIO, &BIO_vfree>;
  73 using BioUniquePtr = std::unique_ptr<BIO, BioDeleter>;
  74 using BioChainDeleter = folly::static_function_deleter<BIO, &BIO_free_all>;
  75 using BioChainUniquePtr = std::unique_ptr<BIO, BioChainDeleter>;
  76 inline void BIO_free_fb(BIO* bio) { CHECK_EQ(1, BIO_free(bio)); }
  77 using BioDeleterFb = folly::static_function_deleter<BIO, &BIO_free_fb>;
  78 using BioUniquePtrFb = std::unique_ptr<BIO, BioDeleterFb>;
  79
  80 // RSA and EC
  81 using RsaDeleter = folly::static_function_deleter<RSA, &RSA_free>;
  82 using RsaUniquePtr = std::unique_ptr<RSA, RsaDeleter>;
  83 #ifndef OPENSSL_NO_EC
  84 using EcKeyDeleter = folly::static_function_deleter<EC_KEY, &EC_KEY_free>;
  85 using EcKeyUniquePtr = std::unique_ptr<EC_KEY, EcKeyDeleter>;
  86 using EcGroupDeleter = folly::static_function_deleter<EC_GROUP, &EC_GROUP_free>;
  87 using EcGroupUniquePtr = std::unique_ptr<EC_GROUP, EcGroupDeleter>;
  88 using EcPointDeleter = folly::static_function_deleter<EC_POINT, &EC_POINT_free>;
  89 using EcPointUniquePtr = std::unique_ptr<EC_POINT, EcPointDeleter>;
  90 #endif
  91
  92 // BIGNUMs
  93 using BIGNUMDeleter = folly::static_function_deleter<BIGNUM, &BN_clear_free>;
  94 using BIGNUMUniquePtr = std::unique_ptr<BIGNUM, BIGNUMDeleter>;
  95
  96 // SSL and SSL_CTX
  97 using SSLDeleter = folly::static_function_deleter<SSL, &SSL_free>;
  98 using SSLUniquePtr = std::unique_ptr<SSL, SSLDeleter>;
  99 }
 100 }