Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 88 insertions, 0 deletions

diff --git a/src/VBox/NetworkServices/Dhcpd/DHCPD.h b/src/VBox/NetworkServices/Dhcpd/DHCPD.h
new file mode 100644
index 00000000..5b938868
--- /dev/null
+++ b/src/VBox/NetworkServices/Dhcpd/DHCPD.h
@@ -0,0 +1,88 @@
+/* $Id: DHCPD.h $ */
+/** @file
+ * DHCP server - protocol logic
+ */
+
+/*
+ * Copyright (C) 2017-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#ifndef VBOX_INCLUDED_SRC_Dhcpd_DHCPD_h
+#define VBOX_INCLUDED_SRC_Dhcpd_DHCPD_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include "DhcpdInternal.h"
+#include <iprt/cpp/ministring.h>
+#include "Config.h"
+#include "DhcpMessage.h"
+#include "Db.h"
+
+
+/**
+ * The core of the DHCP server.
+ *
+ * This class is feed DhcpClientMessages that VBoxNetDhcpd has picked up from
+ * the network.  After processing a message it returns the appropriate response
+ * (if any) which VBoxNetDhcpd sends out.
+ */
+class DHCPD
+{
+    /** The DHCP configuration. */
+    const Config   *m_pConfig;
+    /** The lease database. */
+    Db              m_db;
+
+public:
+    DHCPD();
+
+    int init(const Config *) RT_NOEXCEPT;
+
+    DhcpServerMessage *process(const std::unique_ptr<DhcpClientMessage> &req) RT_NOEXCEPT
+    {
+        if (req.get() != NULL)
+            return process(*req.get());
+        return NULL;
+    }
+
+    DhcpServerMessage *process(DhcpClientMessage &req) RT_NOEXCEPT;
+
+private:
+    /** @name DHCP message processing methods
+     * @{ */
+    DhcpServerMessage *i_doDiscover(const DhcpClientMessage &req);
+    DhcpServerMessage *i_doRequest(const DhcpClientMessage &req);
+    DhcpServerMessage *i_doInform(const DhcpClientMessage &req);
+    DhcpServerMessage *i_doDecline(const DhcpClientMessage &req) RT_NOEXCEPT;
+    DhcpServerMessage *i_doRelease(const DhcpClientMessage &req) RT_NOEXCEPT;
+
+    DhcpServerMessage *i_createMessage(int type, const DhcpClientMessage &req);
+    /** @} */
+
+    /** @name Lease database handling
+     * @{ */
+    int                i_loadLeases() RT_NOEXCEPT;
+    void               i_saveLeases() RT_NOEXCEPT;
+    /** @} */
+};
+
+#endif /* !VBOX_INCLUDED_SRC_Dhcpd_DHCPD_h */