diff options
Diffstat (limited to 'src/network/ssl/qtlskey_openssl.cpp')
| -rw-r--r-- | src/network/ssl/qtlskey_openssl.cpp | 509 |
1 files changed, 0 insertions, 509 deletions
diff --git a/src/network/ssl/qtlskey_openssl.cpp b/src/network/ssl/qtlskey_openssl.cpp deleted file mode 100644 index c649d57f19..0000000000 --- a/src/network/ssl/qtlskey_openssl.cpp +++ /dev/null @@ -1,509 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2021 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtNetwork module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qsslsocket_openssl_symbols_p.h" -#include "qtlskey_openssl_p.h" -#include "qsslsocket.h" -#include "qsslkey_p.h" - -#include <qscopeguard.h> - -QT_BEGIN_NAMESPACE - -namespace QSsl { - -void TlsKeyOpenSSL::decodeDer(QSsl::KeyType type, QSsl::KeyAlgorithm algorithm, const QByteArray &der, - const QByteArray &passPhrase, bool deepClear) -{ - if (der.isEmpty()) - return; - - keyType = type; - keyAlgorithm = algorithm; - - QMap<QByteArray, QByteArray> headers; - const auto pem = pemFromDer(der, headers); - - decodePem(type, algorithm, pem, passPhrase, deepClear); -} - -void TlsKeyOpenSSL::decodePem(KeyType type, KeyAlgorithm algorithm, const QByteArray &pem, - const QByteArray &passPhrase, bool deepClear) -{ - if (pem.isEmpty()) - return; - - keyType = type; - keyAlgorithm = algorithm; - - clear(deepClear); - - BIO *bio = q_BIO_new_mem_buf(const_cast<char *>(pem.data()), pem.size()); - if (!bio) - return; - - const auto bioRaii = qScopeGuard([bio]{q_BIO_free(bio);}); - - void *phrase = const_cast<char *>(passPhrase.data()); - - if (algorithm == QSsl::Rsa) { - RSA *result = (type == QSsl::PublicKey) - ? q_PEM_read_bio_RSA_PUBKEY(bio, &rsa, nullptr, phrase) - : q_PEM_read_bio_RSAPrivateKey(bio, &rsa, nullptr, phrase); - if (rsa && rsa == result) - keyIsNull = false; - } else if (algorithm == QSsl::Dsa) { - DSA *result = (type == QSsl::PublicKey) - ? q_PEM_read_bio_DSA_PUBKEY(bio, &dsa, nullptr, phrase) - : q_PEM_read_bio_DSAPrivateKey(bio, &dsa, nullptr, phrase); - if (dsa && dsa == result) - keyIsNull = false; - } else if (algorithm == QSsl::Dh) { - EVP_PKEY *result = (type == QSsl::PublicKey) - ? q_PEM_read_bio_PUBKEY(bio, nullptr, nullptr, phrase) - : q_PEM_read_bio_PrivateKey(bio, nullptr, nullptr, phrase); - if (result) - dh = q_EVP_PKEY_get1_DH(result); - if (dh) - keyIsNull = false; - q_EVP_PKEY_free(result); -#ifndef OPENSSL_NO_EC - } else if (algorithm == QSsl::Ec) { - EC_KEY *result = (type == QSsl::PublicKey) - ? q_PEM_read_bio_EC_PUBKEY(bio, &ec, nullptr, phrase) - : q_PEM_read_bio_ECPrivateKey(bio, &ec, nullptr, phrase); - if (ec && ec == result) - keyIsNull = false; -#endif - } -} - -QByteArray TlsKeyOpenSSL::derFromPem(const QByteArray &pem, QMap<QByteArray, QByteArray> *headers) const -{ - QByteArray header = pemHeader(); - QByteArray footer = pemFooter(); - - QByteArray der(pem); - - int headerIndex = der.indexOf(header); - int footerIndex = der.indexOf(footer, headerIndex + header.length()); - if (type() != QSsl::PublicKey) { - if (headerIndex == -1 || footerIndex == -1) { - header = pkcs8Header(true); - footer = pkcs8Footer(true); - headerIndex = der.indexOf(header); - footerIndex = der.indexOf(footer, headerIndex + header.length()); - } - if (headerIndex == -1 || footerIndex == -1) { - header = pkcs8Header(false); - footer = pkcs8Footer(false); - headerIndex = der.indexOf(header); - footerIndex = der.indexOf(footer, headerIndex + header.length()); - } - } - if (headerIndex == -1 || footerIndex == -1) - return QByteArray(); - - der = der.mid(headerIndex + header.size(), footerIndex - (headerIndex + header.size())); - - if (der.contains("Proc-Type:")) { - // taken from QHttpNetworkReplyPrivate::parseHeader - int i = 0; - while (i < der.count()) { - int j = der.indexOf(':', i); // field-name - if (j == -1) - break; - const QByteArray field = der.mid(i, j - i).trimmed(); - j++; - // any number of LWS is allowed before and after the value - QByteArray value; - do { - i = der.indexOf('\n', j); - if (i == -1) - break; - if (!value.isEmpty()) - value += ' '; - // check if we have CRLF or only LF - bool hasCR = (i && der[i-1] == '\r'); - int length = i -(hasCR ? 1: 0) - j; - value += der.mid(j, length).trimmed(); - j = ++i; - } while (i < der.count() && (der.at(i) == ' ' || der.at(i) == '\t')); - if (i == -1) - break; // something is wrong - - headers->insert(field, value); - } - der = der.mid(i); - } - - return QByteArray::fromBase64(der); // ignores newlines -} - -void TlsKeyOpenSSL::clear(bool deep) -{ - keyIsNull = true; - - if (algorithm() == QSsl::Rsa && rsa) { - if (deep) - q_RSA_free(rsa); - rsa = nullptr; - } - if (algorithm() == QSsl::Dsa && dsa) { - if (deep) - q_DSA_free(dsa); - dsa = nullptr; - } - if (algorithm() == QSsl::Dh && dh) { - if (deep) - q_DH_free(dh); - dh = nullptr; - } -#ifndef OPENSSL_NO_EC - if (algorithm() == QSsl::Ec && ec) { - if (deep) - q_EC_KEY_free(ec); - ec = nullptr; - } -#endif - if (algorithm() == QSsl::Opaque && opaque) { - if (deep) - q_EVP_PKEY_free(opaque); - opaque = nullptr; - } -} - -Qt::HANDLE TlsKeyOpenSSL::handle() const -{ - switch (keyAlgorithm) { - case QSsl::Opaque: - return Qt::HANDLE(opaque); - case QSsl::Rsa: - return Qt::HANDLE(rsa); - case QSsl::Dsa: - return Qt::HANDLE(dsa); - case QSsl::Dh: - return Qt::HANDLE(dh); -#ifndef OPENSSL_NO_EC - case QSsl::Ec: - return Qt::HANDLE(ec); -#endif - default: - return Qt::HANDLE(nullptr); - } -} - -int TlsKeyOpenSSL::length() const -{ - if (isNull() || algorithm() == QSsl::Opaque) - return -1; - - switch (algorithm()) { - case QSsl::Rsa: - return q_RSA_bits(rsa); - case QSsl::Dsa: - return q_DSA_bits(dsa); - case QSsl::Dh: - return q_DH_bits(dh); -#ifndef OPENSSL_NO_EC - case QSsl::Ec: - return q_EC_GROUP_get_degree(q_EC_KEY_get0_group(ec)); -#endif - default: - return -1; - } -} - -QByteArray TlsKeyOpenSSL::toPem(const QByteArray &passPhrase) const -{ - if (!QSslSocket::supportsSsl() || isNull() || algorithm() == QSsl::Opaque) - return {}; - - const EVP_CIPHER *cipher = nullptr; - if (type() == QSsl::PrivateKey && !passPhrase.isEmpty()) { -#ifndef OPENSSL_NO_DES - cipher = q_EVP_des_ede3_cbc(); -#else - return {}; -#endif - } - - BIO *bio = q_BIO_new(q_BIO_s_mem()); - if (!bio) - return {}; - - const auto bioRaii = qScopeGuard([bio]{q_BIO_free(bio);}); - - bool fail = false; - - if (algorithm() == QSsl::Rsa) { - if (type() == QSsl::PublicKey) { - if (!q_PEM_write_bio_RSA_PUBKEY(bio, rsa)) - fail = true; - } else { - if (!q_PEM_write_bio_RSAPrivateKey( - bio, rsa, cipher, (uchar *)passPhrase.data(), - passPhrase.size(), nullptr, nullptr)) { - fail = true; - } - } - } else if (algorithm() == QSsl::Dsa) { - if (type() == QSsl::PublicKey) { - if (!q_PEM_write_bio_DSA_PUBKEY(bio, dsa)) - fail = true; - } else { - if (!q_PEM_write_bio_DSAPrivateKey( - bio, dsa, cipher, (uchar *)passPhrase.data(), - passPhrase.size(), nullptr, nullptr)) { - fail = true; - } - } - } else if (algorithm() == QSsl::Dh) { - EVP_PKEY *result = q_EVP_PKEY_new(); - if (!result || !q_EVP_PKEY_set1_DH(result, dh)) { - fail = true; - } else if (type() == QSsl::PublicKey) { - if (!q_PEM_write_bio_PUBKEY(bio, result)) - fail = true; - } else if (!q_PEM_write_bio_PrivateKey( - bio, result, cipher, (uchar *)passPhrase.data(), - passPhrase.size(), nullptr, nullptr)) { - fail = true; - } - q_EVP_PKEY_free(result); -#ifndef OPENSSL_NO_EC - } else if (algorithm() == QSsl::Ec) { - if (type() == QSsl::PublicKey) { - if (!q_PEM_write_bio_EC_PUBKEY(bio, ec)) - fail = true; - } else { - if (!q_PEM_write_bio_ECPrivateKey( - bio, ec, cipher, (uchar *)passPhrase.data(), - passPhrase.size(), nullptr, nullptr)) { - fail = true; - } - } -#endif - } else { - fail = true; - } - - QByteArray pem; - if (!fail) { - char *data = nullptr; - const long size = q_BIO_get_mem_data(bio, &data); - if (size > 0 && data) - pem = QByteArray(data, size); - } - - return pem; -} - -void TlsKeyOpenSSL::fromHandle(Qt::HANDLE handle, QSsl::KeyType expectedType) -{ - EVP_PKEY *evpKey = reinterpret_cast<EVP_PKEY *>(handle); - if (!evpKey || !fromEVP_PKEY(evpKey)) { - opaque = evpKey; - keyAlgorithm = QSsl::Opaque; - } else { - q_EVP_PKEY_free(evpKey); - } - - keyType = expectedType; - keyIsNull = !opaque; -} - -bool TlsKeyOpenSSL::fromEVP_PKEY(EVP_PKEY *pkey) -{ - if (!pkey) - return false; - - switch (q_EVP_PKEY_type(q_EVP_PKEY_base_id(pkey))) { - case EVP_PKEY_RSA: - keyIsNull = false; - keyAlgorithm = QSsl::Rsa; - keyType = QSsl::PrivateKey; - rsa = q_EVP_PKEY_get1_RSA(pkey); - - return true; - case EVP_PKEY_DSA: - keyIsNull = false; - keyAlgorithm = QSsl::Dsa; - keyType = QSsl::PrivateKey; - dsa = q_EVP_PKEY_get1_DSA(pkey); - - return true; - case EVP_PKEY_DH: - keyIsNull = false; - keyAlgorithm = QSsl::Dh; - keyType = QSsl::PrivateKey; - dh = q_EVP_PKEY_get1_DH(pkey); - return true; -#ifndef OPENSSL_NO_EC - case EVP_PKEY_EC: - keyIsNull = false; - keyAlgorithm = QSsl::Ec; - keyType = QSsl::PrivateKey; - ec = q_EVP_PKEY_get1_EC_KEY(pkey); - - return true; -#endif - default:; - // Unknown key type. This could be handled as opaque, but then - // we'd eventually leak memory since we wouldn't be able to free - // the underlying EVP_PKEY structure. For now, we won't support - // this. - } - - return false; -} - -QByteArray doCrypt(QSslKeyPrivate::Cipher cipher, const QByteArray &data, - const QByteArray &key, const QByteArray &iv, bool enc) -{ - const EVP_CIPHER *type = nullptr; - int i = 0, len = 0; - - switch (cipher) { - case QSsl::Cipher::DesCbc: -#ifndef OPENSSL_NO_DES - type = q_EVP_des_cbc(); -#endif - break; - case QSsl::Cipher::DesEde3Cbc: -#ifndef OPENSSL_NO_DES - type = q_EVP_des_ede3_cbc(); -#endif - break; - case QSsl::Cipher::Rc2Cbc: -#ifndef OPENSSL_NO_RC2 - type = q_EVP_rc2_cbc(); -#endif - break; - case QSsl::Cipher::Aes128Cbc: - type = q_EVP_aes_128_cbc(); - break; - case QSsl::Cipher::Aes192Cbc: - type = q_EVP_aes_192_cbc(); - break; - case QSsl::Cipher::Aes256Cbc: - type = q_EVP_aes_256_cbc(); - break; - } - - if (type == nullptr) - return {}; - - QByteArray output; - output.resize(data.size() + EVP_MAX_BLOCK_LENGTH); - - EVP_CIPHER_CTX *ctx = q_EVP_CIPHER_CTX_new(); - q_EVP_CIPHER_CTX_reset(ctx); - q_EVP_CipherInit(ctx, type, nullptr, nullptr, enc); - q_EVP_CIPHER_CTX_set_key_length(ctx, key.size()); - if (cipher == QSsl::Cipher::Rc2Cbc) - q_EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_SET_RC2_KEY_BITS, 8 * key.size(), nullptr); - - q_EVP_CipherInit_ex(ctx, nullptr, nullptr, - reinterpret_cast<const unsigned char *>(key.constData()), - reinterpret_cast<const unsigned char *>(iv.constData()), - enc); - q_EVP_CipherUpdate(ctx, - reinterpret_cast<unsigned char *>(output.data()), &len, - reinterpret_cast<const unsigned char *>(data.constData()), data.size()); - q_EVP_CipherFinal(ctx, - reinterpret_cast<unsigned char *>(output.data()) + len, &i); - len += i; - - q_EVP_CIPHER_CTX_reset(ctx); - q_EVP_CIPHER_CTX_free(ctx); - - return output.left(len); -} - -QByteArray TlsKeyOpenSSL::decrypt(Cipher cipher, const QByteArray &data, - const QByteArray &key, const QByteArray &iv) const -{ - return doCrypt(cipher, data, key, iv, false); -} - -QByteArray TlsKeyOpenSSL::encrypt(Cipher cipher, const QByteArray &data, - const QByteArray &key, const QByteArray &iv) const -{ - return doCrypt(cipher, data, key, iv, true); -} - -TlsKeyOpenSSL *TlsKeyOpenSSL::publicKeyFromX509(X509 *x) -{ - TlsKeyOpenSSL *tlsKey = new TlsKeyOpenSSL; - std::unique_ptr<TlsKeyOpenSSL> keyRaii(tlsKey); - - tlsKey->keyType = QSsl::PublicKey; - - EVP_PKEY *pkey = q_X509_get_pubkey(x); - Q_ASSERT(pkey); - const int keyType = q_EVP_PKEY_type(q_EVP_PKEY_base_id(pkey)); - - if (keyType == EVP_PKEY_RSA) { - tlsKey->rsa = q_EVP_PKEY_get1_RSA(pkey); - tlsKey->keyAlgorithm = QSsl::Rsa; - tlsKey->keyIsNull = false; - } else if (keyType == EVP_PKEY_DSA) { - tlsKey->dsa = q_EVP_PKEY_get1_DSA(pkey); - tlsKey->keyAlgorithm = QSsl::Dsa; - tlsKey->keyIsNull = false; -#ifndef OPENSSL_NO_EC - } else if (keyType == EVP_PKEY_EC) { - tlsKey->ec = q_EVP_PKEY_get1_EC_KEY(pkey); - tlsKey->keyAlgorithm = QSsl::Ec; - tlsKey->keyIsNull = false; -#endif - } else if (keyType == EVP_PKEY_DH) { - // DH unsupported (key is null) - } else { - // error? (key is null) - } - - q_EVP_PKEY_free(pkey); - return keyRaii.release(); -} - -} // namespace QSsl - -QT_END_NAMESPACE |