mirror of
https://github.com/deneraraujo/OpenVPNAdapter.git
synced 2026-04-06 00:00:03 +08:00
120 lines
2.6 KiB
C++
120 lines
2.6 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2017 OpenVPN Inc.
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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 Affero General Public License Version 3
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// as published by the Free Software Foundation.
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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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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// Wrap a mbed TLS x509_crl object
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#ifndef OPENVPN_MBEDTLS_PKI_X509CRL_H
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#define OPENVPN_MBEDTLS_PKI_X509CRL_H
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#include <string>
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#include <sstream>
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#include <cstring>
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#include <mbedtls/x509_crl.h>
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#include <openvpn/common/size.hpp>
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#include <openvpn/common/exception.hpp>
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#include <openvpn/common/rc.hpp>
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#include <openvpn/mbedtls/util/error.hpp>
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namespace openvpn {
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namespace MbedTLSPKI {
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class X509CRL : public RC<thread_unsafe_refcount>
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{
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public:
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typedef RCPtr<X509CRL> Ptr;
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X509CRL() : chain(nullptr) {}
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X509CRL(const std::string& crl_txt)
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: chain(nullptr)
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{
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try {
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parse(crl_txt);
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}
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catch (...)
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{
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dealloc();
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throw;
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}
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}
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void parse(const std::string& crl_txt)
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{
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alloc();
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// crl_txt.length() is increased by 1 as it does not include the NULL-terminator
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// which mbedtls_x509_crl_parse() expects to see.
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const int status = mbedtls_x509_crl_parse(chain,
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(const unsigned char *)crl_txt.c_str(),
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crl_txt.length() + 1);
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if (status < 0)
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{
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throw MbedTLSException("error parsing CRL", status);
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}
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pem_chain = crl_txt;
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}
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std::string extract() const
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{
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return std::string(pem_chain);
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}
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mbedtls_x509_crl* get() const
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{
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return chain;
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}
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~X509CRL()
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{
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dealloc();
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}
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private:
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void alloc()
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{
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if (!chain)
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{
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chain = new mbedtls_x509_crl;
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std::memset(chain, 0, sizeof(mbedtls_x509_crl));
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}
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}
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void dealloc()
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{
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if (chain)
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{
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mbedtls_x509_crl_free(chain);
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delete chain;
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chain = nullptr;
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}
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}
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mbedtls_x509_crl *chain;
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std::string pem_chain;
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};
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}
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}
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#endif
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