| 1 | /* $Id: DhcpOptions.cpp 70836 2018-01-31 14:55:44Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * DHCP server - DHCP options
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2017-2018 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 | #include "DhcpOptions.h"
|
|---|
| 19 | #include "DhcpMessage.h"
|
|---|
| 20 |
|
|---|
| 21 |
|
|---|
| 22 | optmap_t &operator<<(optmap_t &optmap, DhcpOption *option)
|
|---|
| 23 | {
|
|---|
| 24 | if (option == NULL)
|
|---|
| 25 | return optmap;
|
|---|
| 26 |
|
|---|
| 27 | if (option->present())
|
|---|
| 28 | optmap[option->optcode()] = std::shared_ptr<DhcpOption>(option);
|
|---|
| 29 | else
|
|---|
| 30 | optmap.erase(option->optcode());
|
|---|
| 31 |
|
|---|
| 32 | return optmap;
|
|---|
| 33 | }
|
|---|
| 34 |
|
|---|
| 35 |
|
|---|
| 36 | optmap_t &operator<<(optmap_t &optmap, const std::shared_ptr<DhcpOption> &option)
|
|---|
| 37 | {
|
|---|
| 38 | if (option == NULL)
|
|---|
| 39 | return optmap;
|
|---|
| 40 |
|
|---|
| 41 | if (option->present())
|
|---|
| 42 | optmap[option->optcode()] = option;
|
|---|
| 43 | else
|
|---|
| 44 | optmap.erase(option->optcode());
|
|---|
| 45 |
|
|---|
| 46 | return optmap;
|
|---|
| 47 | }
|
|---|
| 48 |
|
|---|
| 49 |
|
|---|
| 50 | int DhcpOption::decode(const rawopts_t &map)
|
|---|
| 51 | {
|
|---|
| 52 | const octets_t *rawopt = DhcpOption::findOption(map, m_OptCode);
|
|---|
| 53 | if (rawopt == NULL)
|
|---|
| 54 | return VERR_NOT_FOUND;
|
|---|
| 55 |
|
|---|
| 56 | int rc = decodeValue(*rawopt, rawopt->size());
|
|---|
| 57 | if (RT_FAILURE(rc))
|
|---|
| 58 | return VERR_INVALID_PARAMETER;
|
|---|
| 59 |
|
|---|
| 60 | return VINF_SUCCESS;
|
|---|
| 61 | }
|
|---|
| 62 |
|
|---|
| 63 |
|
|---|
| 64 | int DhcpOption::decode(const DhcpClientMessage &req)
|
|---|
| 65 | {
|
|---|
| 66 | return decode(req.rawopts());
|
|---|
| 67 | }
|
|---|
