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

Sources/OpenVPN3/openvpn/apple/cf/error.hpp

@@ -0,0 +1,67 @@
+//    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/>.
+
+#ifndef OPENVPN_APPLECRYPTO_CF_ERROR_H
+#define OPENVPN_APPLECRYPTO_CF_ERROR_H
+
+#include <string>
+
+#include <CoreFoundation/CFBase.h>
+
+#include <openvpn/common/exception.hpp>
+
+// An exception object that encapsulates Apple Core Foundation errors.
+
+namespace openvpn {
+
+  // string exception class
+  class CFException : public std::exception
+  {
+  public:
+    CFException(const std::string& text)
+    {
+      errtxt = text;
+    }
+
+    CFException(const std::string& text, const OSStatus status)
+    {
+      set_errtxt(text, status);
+    }
+
+    virtual const char* what() const throw() { return errtxt.c_str(); }
+    std::string what_str() const { return errtxt; }
+
+    virtual ~CFException() throw() {}
+
+  private:
+    void set_errtxt(const std::string& text, const OSStatus status)
+    {
+      std::ostringstream s;
+      s << text << ": OSX Error code=" << status;
+      errtxt = s.str();
+    }
+
+    std::string errtxt;
+  };
+
+} // namespace openvpn
+
+#endif // OPENVPN_APPLECRYPTO_CF_ERROR_H