Merge commit '86cc97e55fe346502462284d2e636a2b3708163e' as 'Sources/OpenVPN3'

2026-04-24 00:00:05 +08:00 · 2020-02-24 14:43:11 +03:00
parent 133b3756e6 86cc97e55f
commit 32f1555929
655 changed files with 146468 additions and 0 deletions
@@ -0,0 +1,169 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2017 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+// Wrap an OpenSSL X509_CRL object
+
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include <openssl/ssl.h>
+#include <openssl/bio.h>
+
+#include <openvpn/common/size.hpp>
+#include <openvpn/common/exception.hpp>
+#include <openvpn/openssl/util/error.hpp>
+
+namespace openvpn {
+  namespace OpenSSLPKI {
+
+    class CRL
+    {
+    public:
+      CRL()
+	: crl_(nullptr)
+      {
+      }
+
+      explicit CRL(const std::string& crl_txt)
+	: crl_(nullptr)
+      {
+	parse_pem(crl_txt);
+      }
+
+      CRL(const CRL& other)
+	: crl_(dup(other.crl_))
+      {
+      }
+
+      CRL(CRL&& other) noexcept
+	: crl_(other.crl_)
+      {
+	other.crl_ = nullptr;
+      }
+
+      CRL& operator=(const CRL& other)
+      {
+	if (this != &other)
+	  {
+	    erase();
+	    crl_ = dup(other.crl_);
+	  }
+	return *this;
+      }
+
+      CRL& operator=(CRL&& other) noexcept
+      {
+	if (this != &other)
+	  {
+	    erase();
+	    crl_ = other.crl_;
+	    other.crl_ = nullptr;
+	  }
+	return *this;
+      }
+
+      bool defined() const { return crl_ != nullptr; }
+      ::X509_CRL* obj() const { return crl_; }
+
+      void parse_pem(const std::string& crl_txt)
+      {
+	BIO *bio = ::BIO_new_mem_buf(const_cast<char *>(crl_txt.c_str()), crl_txt.length());
+	if (!bio)
+	  throw OpenSSLException();
+
+	::X509_CRL *crl = ::PEM_read_bio_X509_CRL(bio, nullptr, nullptr, nullptr);
+	::BIO_free(bio);
+	if (!crl)
+	  throw OpenSSLException("CRL::parse_pem");
+
+	erase();
+	crl_ = crl;
+      }
+
+      std::string render_pem() const
+      {
+	if (crl_)
+	  {
+	    BIO *bio = ::BIO_new(BIO_s_mem());
+	    const int ret = ::PEM_write_bio_X509_CRL(bio, crl_);
+	    if (ret == 0)
+	      {
+		::BIO_free(bio);
+		throw OpenSSLException("CRL::render_pem");
+	      }
+
+	    {
+	      char *temp;
+	      const int buf_len = ::BIO_get_mem_data(bio, &temp);
+	      std::string ret = std::string(temp, buf_len);
+	      ::BIO_free(bio);
+	      return ret;
+	    }
+	  }
+	else
+	  return "";
+      }
+
+      ~CRL()
+      {
+	erase();
+      }
+
+    private:
+      void erase()
+      {
+	if (crl_)
+	  ::X509_CRL_free(crl_);
+      }
+
+      static X509_CRL *dup(const X509_CRL *crl)
+      {
+	if (crl)
+	  return ::X509_CRL_dup(const_cast<X509_CRL *>(crl));
+	else
+	  return nullptr;
+      }
+
+      ::X509_CRL *crl_;
+    };
+
+    class CRLList : public std::vector<CRL>
+    {
+    public:
+      typedef X509 CRL;
+
+      bool defined() const
+      {
+	return !empty();
+      }
+
+      std::string render_pem() const
+      {
+	std::string ret;
+	for (const auto &e : *this)
+	  ret += e.render_pem();
+	return ret;
+      }
+    };
+  }
+}