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
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+//    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_SSL_MSSPARMS_H
+#define OPENVPN_SSL_MSSPARMS_H
+
+#include <openvpn/common/options.hpp>
+#include <openvpn/common/number.hpp>
+
+namespace openvpn {
+  struct MSSParms
+  {
+    MSSParms() : mssfix(0),
+		 mtu(false)
+    {
+    }
+
+    void parse(const OptionList& opt)
+    {
+      const Option *o = opt.get_ptr("mssfix");
+      if (o)
+	{
+	  const bool status = parse_number_validate<decltype(mssfix)>(o->get(1, 16),
+								      16,
+								      576,
+								      65535,
+								      &mssfix);
+	  if (!status)
+	    throw option_error("mssfix: parse/range issue");
+	  mtu = (o->get_optional(2, 16) == "mtu");
+	}
+    }
+
+    unsigned int mssfix;  // standard OpenVPN mssfix parm
+    bool mtu;             // consider transport packet overhead in MSS adjustment
+  };
+
+  struct MSSCtrlParms
+  {
+    MSSCtrlParms(const OptionList& opt)
+    {
+      mssfix_ctrl = opt.get_num<decltype(mssfix_ctrl)>("mssfix-ctrl", 1, 1250,
+						       256, 65535);
+    }
+
+    unsigned int mssfix_ctrl;
+  };
+}
+
+#endif