270 lines
7.6 KiB
C++
270 lines
7.6 KiB
C++
/* XMRig
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* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
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* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
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* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
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* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
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* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
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* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
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* Copyright 2018 Lee Clagett <https://github.com/vtnerd>
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* Copyright 2018-2020 SChernykh <https://github.com/SChernykh>
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* Copyright 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "base/net/tls/TlsContext.h"
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#include "base/io/Env.h"
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#include "base/io/log/Log.h"
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#include "base/net/tls/TlsConfig.h"
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#include <openssl/ssl.h>
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#include <openssl/err.h>
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// https://wiki.openssl.org/index.php/OpenSSL_1.1.0_Changes#Compatibility_Layer
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#if OPENSSL_VERSION_NUMBER < 0x10100000L
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int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
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{
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assert(q == nullptr);
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dh->p = p;
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dh->g = g;
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return 1;
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}
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#endif
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namespace xmrig {
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// https://wiki.openssl.org/index.php/Diffie-Hellman_parameters
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static DH *get_dh2048()
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{
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static unsigned char dhp_2048[] = {
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0xB2, 0x91, 0xA7, 0x05, 0x31, 0xCE, 0x12, 0x9D, 0x03, 0x43,
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0xAF, 0x13, 0xAF, 0x4B, 0x8E, 0x4C, 0x04, 0x13, 0x4F, 0x72,
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0x00, 0x73, 0x2C, 0x67, 0xC3, 0xE0, 0x50, 0xBF, 0x72, 0x5E,
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0xBE, 0x45, 0x89, 0x4C, 0x01, 0x45, 0xA6, 0x5E, 0xA7, 0xA8,
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0xDC, 0x2F, 0x1D, 0x91, 0x2D, 0x58, 0x0D, 0x71, 0x97, 0x3D,
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0xAE, 0xFE, 0x86, 0x29, 0x37, 0x5F, 0x5E, 0x6D, 0x81, 0x56,
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0x07, 0x83, 0xF2, 0xF8, 0xEC, 0x4E, 0xF8, 0x7A, 0xEC, 0xEA,
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0xD9, 0xEA, 0x61, 0x3C, 0xAF, 0x51, 0x30, 0xB7, 0xA7, 0x67,
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0x3F, 0x59, 0xAD, 0x2E, 0x23, 0x57, 0x64, 0xA2, 0x99, 0x15,
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0xBD, 0xD9, 0x8D, 0xBA, 0xE6, 0x8F, 0xFB, 0xB3, 0x77, 0x3B,
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0xE6, 0x5C, 0xC1, 0x03, 0xCF, 0x38, 0xD4, 0xF6, 0x2E, 0x0B,
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0xF3, 0x20, 0xBE, 0xF0, 0xFC, 0x85, 0xEF, 0x5F, 0xCE, 0x0E,
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0x42, 0x17, 0x3B, 0x72, 0x43, 0x4C, 0x3A, 0xF5, 0xC8, 0xB4,
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0x40, 0x52, 0x03, 0x72, 0x9A, 0x2C, 0xA4, 0x23, 0x2A, 0xA2,
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0x52, 0xA3, 0xC2, 0x76, 0x08, 0x1C, 0x2E, 0x60, 0x44, 0xE4,
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0x12, 0x5D, 0x80, 0x47, 0x6C, 0x7A, 0x5A, 0x8E, 0x18, 0xC9,
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0x8C, 0x22, 0xC8, 0x07, 0x75, 0xE2, 0x77, 0x3A, 0x90, 0x2E,
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0x79, 0xC3, 0xF5, 0x4E, 0x4E, 0xDE, 0x14, 0x29, 0xA4, 0x5B,
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0x32, 0xCC, 0xE5, 0x05, 0x09, 0x2A, 0xC9, 0x1C, 0xB4, 0x8E,
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0x99, 0xCF, 0x57, 0xF2, 0x1B, 0x5F, 0x18, 0x89, 0x29, 0xF2,
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0xB0, 0xF3, 0xAC, 0x67, 0x16, 0x90, 0x4A, 0x1D, 0xD6, 0xF5,
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0x84, 0x71, 0x1D, 0x0E, 0x61, 0x5F, 0xE2, 0x2D, 0x52, 0x87,
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0x0D, 0x8F, 0x84, 0xCB, 0xFC, 0xF0, 0x5D, 0x4C, 0x9F, 0x59,
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0xA9, 0xD6, 0x83, 0x70, 0x4B, 0x98, 0x6A, 0xCA, 0x78, 0x53,
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0x27, 0x32, 0x59, 0x35, 0x0A, 0xB8, 0x29, 0x18, 0xAF, 0x58,
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0x45, 0x63, 0xEB, 0x43, 0x28, 0x7B
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};
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static unsigned char dhg_2048[] = { 0x02 };
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auto dh = DH_new();
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if (dh == nullptr) {
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return nullptr;
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}
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auto p = BN_bin2bn(dhp_2048, sizeof(dhp_2048), nullptr);
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auto g = BN_bin2bn(dhg_2048, sizeof(dhg_2048), nullptr);
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if (p == nullptr || g == nullptr || !DH_set0_pqg(dh, p, nullptr, g)) {
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DH_free(dh);
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BN_free(p);
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BN_free(g);
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return nullptr;
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}
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return dh;
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}
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} // namespace xmrig
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xmrig::TlsContext::~TlsContext()
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{
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SSL_CTX_free(m_ctx);
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}
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xmrig::TlsContext *xmrig::TlsContext::create(const TlsConfig &config)
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{
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if (!config.isEnabled()) {
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return nullptr;
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}
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auto tls = new TlsContext();
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if (!tls->load(config)) {
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delete tls;
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return nullptr;
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}
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return tls;
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}
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bool xmrig::TlsContext::load(const TlsConfig &config)
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{
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m_ctx = SSL_CTX_new(SSLv23_server_method());
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if (m_ctx == nullptr) {
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LOG_ERR("Unable to create SSL context");
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return false;
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}
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const auto cert = Env::expand(config.cert());
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if (SSL_CTX_use_certificate_chain_file(m_ctx, cert) <= 0) {
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LOG_ERR("SSL_CTX_use_certificate_chain_file(\"%s\") failed.", config.cert());
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return false;
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}
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const auto key = Env::expand(config.key());
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if (SSL_CTX_use_PrivateKey_file(m_ctx, key, SSL_FILETYPE_PEM) <= 0) {
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LOG_ERR("SSL_CTX_use_PrivateKey_file(\"%s\") failed.", config.key());
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return false;
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}
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SSL_CTX_set_options(m_ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
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SSL_CTX_set_options(m_ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
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# if OPENSSL_VERSION_NUMBER >= 0x1010100fL && !defined(LIBRESSL_VERSION_NUMBER)
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SSL_CTX_set_max_early_data(m_ctx, 0);
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# endif
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setProtocols(config.protocols());
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return setCiphers(config.ciphers()) && setCipherSuites(config.cipherSuites()) && setDH(config.dhparam());
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}
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bool xmrig::TlsContext::setCiphers(const char *ciphers)
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{
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if (ciphers == nullptr || SSL_CTX_set_cipher_list(m_ctx, ciphers) == 1) {
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return true;
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}
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LOG_ERR("SSL_CTX_set_cipher_list(\"%s\") failed.", ciphers);
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return true;
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}
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bool xmrig::TlsContext::setCipherSuites(const char *ciphersuites)
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{
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if (ciphersuites == nullptr) {
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return true;
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}
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# if OPENSSL_VERSION_NUMBER >= 0x1010100fL && !defined(LIBRESSL_VERSION_NUMBER)
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if (SSL_CTX_set_ciphersuites(m_ctx, ciphersuites) == 1) {
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return true;
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}
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# endif
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LOG_ERR("SSL_CTX_set_ciphersuites(\"%s\") failed.", ciphersuites);
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return false;
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}
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bool xmrig::TlsContext::setDH(const char *dhparam)
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{
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DH *dh = nullptr;
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if (dhparam != nullptr) {
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BIO *bio = BIO_new_file(Env::expand(dhparam), "r");
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if (bio == nullptr) {
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LOG_ERR("BIO_new_file(\"%s\") failed.", dhparam);
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return false;
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}
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dh = PEM_read_bio_DHparams(bio, nullptr, nullptr, nullptr);
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if (dh == nullptr) {
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LOG_ERR("PEM_read_bio_DHparams(\"%s\") failed.", dhparam);
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BIO_free(bio);
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return false;
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}
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BIO_free(bio);
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}
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else {
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dh = get_dh2048();
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}
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const int rc = SSL_CTX_set_tmp_dh(m_ctx, dh);
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DH_free(dh);
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if (rc == 0) {
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LOG_ERR("SSL_CTX_set_tmp_dh(\"%s\") failed.", dhparam);
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return false;
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}
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return true;
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}
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void xmrig::TlsContext::setProtocols(uint32_t protocols)
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{
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if (protocols == 0) {
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return;
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}
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if (!(protocols & TlsConfig::TLSv1)) {
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SSL_CTX_set_options(m_ctx, SSL_OP_NO_TLSv1);
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}
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# ifdef SSL_OP_NO_TLSv1_1
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SSL_CTX_clear_options(m_ctx, SSL_OP_NO_TLSv1_1);
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if (!(protocols & TlsConfig::TLSv1_1)) {
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SSL_CTX_set_options(m_ctx, SSL_OP_NO_TLSv1_1);
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}
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# endif
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# ifdef SSL_OP_NO_TLSv1_2
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SSL_CTX_clear_options(m_ctx, SSL_OP_NO_TLSv1_2);
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if (!(protocols & TlsConfig::TLSv1_2)) {
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SSL_CTX_set_options(m_ctx, SSL_OP_NO_TLSv1_2);
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}
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# endif
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# ifdef SSL_OP_NO_TLSv1_3
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SSL_CTX_clear_options(m_ctx, SSL_OP_NO_TLSv1_3);
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if (!(protocols & TlsConfig::TLSv1_3)) {
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SSL_CTX_set_options(m_ctx, SSL_OP_NO_TLSv1_3);
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}
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# endif
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}
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