1 /* 2 * Copyright (C) 2017 The Android Open Source Project 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 #ifndef CONSCRYPT_SCOPEDSSLBIO_H_ 18 #define CONSCRYPT_SCOPEDSSLBIO_H_ 19 20 #include <openssl/ssl.h> 21 22 namespace conscrypt { 23 24 /* 25 * Sets the read and write BIO for an SSL connection and removes it when it goes out of scope. 26 * We hang on to BIO with a JNI GlobalRef and we want to remove them as soon as possible. 27 */ 28 class ScopedSslBio { 29 public: ScopedSslBio(SSL * ssl,BIO * rbio,BIO * wbio)30 ScopedSslBio(SSL* ssl, BIO* rbio, BIO* wbio) : ssl_(ssl) { 31 SSL_set_bio(ssl_, rbio, wbio); 32 BIO_up_ref(rbio); 33 BIO_up_ref(wbio); 34 } 35 ~ScopedSslBio()36 ~ScopedSslBio() { 37 SSL_set_bio(ssl_, nullptr, nullptr); 38 } 39 40 private: 41 SSL* const ssl_; 42 }; 43 44 } // namespace conscrypt 45 46 #endif // CONSCRYPT_SCOPEDSSLBIO_H_ 47