2 * Copyright 2017 Facebook, Inc.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 #include <folly/portability/OpenSSL.h>
22 #if FOLLY_OPENSSL_IS_110
23 ////////////////////////////////////////////////////////////////////////////////
24 // APIs needed in 1.1.0 only
25 ////////////////////////////////////////////////////////////////////////////////
28 ////////////////////////////////////////////////////////////////////////////////
29 // APIs needed in BoringSSL and OpenSSL < 1.1.0 (i.e., 1.0.2, 1.0.1, 1.0.0, etc)
30 ////////////////////////////////////////////////////////////////////////////////
31 void BIO_meth_free(BIO_METHOD* biom) {
32 OPENSSL_free((void*)biom);
35 int BIO_meth_set_read(BIO_METHOD* biom, int (*read)(BIO*, char*, int)) {
40 int BIO_meth_set_write(BIO_METHOD* biom, int (*write)(BIO*, const char*, int)) {
45 void EVP_MD_CTX_free(EVP_MD_CTX* ctx) {
46 EVP_MD_CTX_destroy(ctx);
49 const char* SSL_SESSION_get0_hostname(const SSL_SESSION* s) {
50 return s->tlsext_hostname;
53 EVP_MD_CTX* EVP_MD_CTX_new(void) {
54 EVP_MD_CTX* ctx = (EVP_MD_CTX*)OPENSSL_malloc(sizeof(EVP_MD_CTX));
56 throw std::runtime_error("Cannot allocate EVP_MD_CTX");
62 HMAC_CTX* HMAC_CTX_new(void) {
63 HMAC_CTX* ctx = (HMAC_CTX*)OPENSSL_malloc(sizeof(HMAC_CTX));
65 throw std::runtime_error("Cannot allocate HMAC_CTX");
71 void HMAC_CTX_free(HMAC_CTX* ctx) {
73 HMAC_CTX_cleanup(ctx);
78 int SSL_SESSION_has_ticket(const SSL_SESSION* s) {
79 return (s->tlsext_ticklen > 0) ? 1 : 0;
82 unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION* s) {
83 return s->tlsext_tick_lifetime_hint;
86 // This is taken from OpenSSL 1.1.0
87 int DH_set0_pqg(DH* dh, BIGNUM* p, BIGNUM* q, BIGNUM* g) {
88 /* If the fields p and g in d are NULL, the corresponding input
89 * parameters MUST be non-NULL. q may remain NULL.
91 if (dh == nullptr || (dh->p == nullptr && p == nullptr) ||
92 (dh->g == nullptr && g == nullptr)) {
109 // In OpenSSL 1.1.0, DH_set0_pqg also sets
110 // dh->length = BN_num_bits(q)
111 // With OpenSSL 1.0.2, the output of openssl dhparam -C 2048 doesn't set
112 // the length field. So as far as the compat lib is concerned, this wrapper
113 // mimics the functionality of OpenSSL 1.0.2
114 // Note: BoringSSL doesn't even have a length field anymore, just something
115 // called 'priv_length'. Let's not mess with that for now.
120 #ifdef OPENSSL_IS_BORINGSSL
121 ////////////////////////////////////////////////////////////////////////////////
122 // APIs needed in BoringSSL only
123 ////////////////////////////////////////////////////////////////////////////////
124 int SSL_CTX_set1_sigalgs_list(SSL_CTX*, const char*) {
125 return 1; // 0 implies error
128 int TLS1_get_client_version(SSL* s) {
129 // Note that this isn't the client version, and the API to
130 // get this has been hidden. It may be found by parsing the
131 // ClientHello (there is a callback via the SSL_HANDSHAKE struct)
135 #elif FOLLY_OPENSSL_IS_102 || FOLLY_OPENSSL_IS_101 || FOLLY_OPENSSL_IS_100
136 ////////////////////////////////////////////////////////////////////////////////
137 // APIs needed in 1.0.2 and 1.0.1/1.0.0 (both deprecated)
138 ////////////////////////////////////////////////////////////////////////////////
139 int SSL_CTX_up_ref(SSL_CTX* ctx) {
140 return CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
143 int SSL_SESSION_up_ref(SSL_SESSION* session) {
144 return CRYPTO_add(&session->references, 1, CRYPTO_LOCK_SSL_SESSION);
147 int X509_up_ref(X509* x) {
148 return CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
151 #if FOLLY_OPENSSL_IS_101 || FOLLY_OPENSSL_IS_100
152 ////////////////////////////////////////////////////////////////////////////////
153 // APIs needed in 1.0.1/1.0.0 (both deprecated)
154 ////////////////////////////////////////////////////////////////////////////////
155 int X509_get_signature_nid(X509* cert) {
156 return OBJ_obj2nid(cert->sig_alg->algorithm);
161 #if FOLLY_OPENSSL_IS_100
162 ////////////////////////////////////////////////////////////////////////////////
163 // APIs needed only in 1.0.0 only (deprecated)
164 ////////////////////////////////////////////////////////////////////////////////
165 uint32_t SSL_CIPHER_get_id(const SSL_CIPHER* c) {
169 int TLS1_get_client_version(const SSL* s) {
170 return (s->client_version >> 8) == TLS1_VERSION_MAJOR ? s->client_version : 0;
175 #endif // !(OPENSSL_IS_BORINGSSL ||
176 // FOLLY_OPENSSL_IS_101 ||
177 // FOLLY_OPENSSL_IS_102 ||
178 // FOLLY_OPENSSL_IS_100)
180 #endif // !FOLLY_OPENSSL_IS_110