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_CLIENT_IPVERFLAGS_H
+#define OPENVPN_CLIENT_IPVERFLAGS_H
+
+#include <openvpn/addr/ip.hpp>
+#include <openvpn/client/rgopt.hpp>
+#include <openvpn/tun/builder/rgwflags.hpp>
+
+namespace openvpn {
+  class IPVerFlags
+  {
+  public:
+    IPVerFlags(const OptionList& opt,
+	       const IP::Addr::VersionMask ip_ver_flags)
+      : ip_ver_flags_(ip_ver_flags),
+	rg_flags_(opt),
+	api_flags_(0)
+    {
+    }
+
+    bool rgv4() const
+    {
+      return v4() && rg_flags_.redirect_gateway_ipv4_enabled();
+    }
+
+    bool rgv6() const
+    {
+      return v6() && rg_flags_.redirect_gateway_ipv6_enabled();
+    }
+
+    bool v4() const
+    {
+      return (ip_ver_flags_ & IP::Addr::V4_MASK) ? true : false;
+    }
+
+    bool v6() const
+    {
+      return (ip_ver_flags_ & IP::Addr::V6_MASK) ? true : false;
+    }
+
+    IP::Addr::VersionMask rg_ver_flags() const
+    {
+      IP::Addr::VersionMask flags = 0;
+      if (rgv4())
+	flags |= IP::Addr::V4_MASK;
+      if (rgv6())
+	flags |= IP::Addr::V6_MASK;
+      return flags;
+    }
+
+    IP::Addr::VersionMask ip_ver_flags() const
+    {
+      IP::Addr::VersionMask flags = 0;
+      if (v4())
+	flags |= IP::Addr::V4_MASK;
+      if (v6())
+	flags |= IP::Addr::V6_MASK;
+      return flags;
+    }
+
+    // these flags are passed to tun_builder_reroute_gw method
+    unsigned int api_flags() const
+    {
+      return api_flags_ | rg_flags_();
+    }
+
+    void set_emulate_exclude_routes()
+    {
+      api_flags_ |= RGWFlags::EmulateExcludeRoutes;
+    }
+
+  private:
+    const IP::Addr::VersionMask ip_ver_flags_;
+    const RedirectGatewayFlags rg_flags_;
+    unsigned int api_flags_;
+  };
+}
+
+#endif