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/* $Id: DHCPConfigImpl.h $ */
/** @file
* VirtualBox Main - IDHCPConfig, IDHCPConfigGlobal, IDHCPConfigGroup, IDHCPConfigIndividual header.
*/
/*
* Copyright (C) 2006-2022 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 MAIN_INCLUDED_DHCPConfigImpl_h
#define MAIN_INCLUDED_DHCPConfigImpl_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include "DHCPGlobalConfigWrap.h"
#include "DHCPGroupConditionWrap.h"
#include "DHCPGroupConfigWrap.h"
#include "DHCPIndividualConfigWrap.h"
#include <VBox/settings.h>
class DHCPServer;
class DHCPGroupConfig;
/**
* Base class for the a DHCP configration layer.
*
* This does not inherit from DHCPConfigWrap because its children need to
* inherit from children of DHCPConfigWrap, which smells like trouble and thus
* wasn't even attempted. Instead, we have a hack for passing a pointer that we
* can call setError and such on.
*/
class DHCPConfig
{
protected:
/** Config scope (global, group, vm+nic, mac). */
DHCPConfigScope_T const m_enmScope;
/** Minimum lease time. */
ULONG m_secMinLeaseTime;
/** Default lease time. */
ULONG m_secDefaultLeaseTime;
/** Maximum lease time. */
ULONG m_secMaxLeaseTime;
/** List of options which are forced upon the client when available, whether
* requested by it or not. */
std::vector<DHCPOption_T> m_vecForcedOptions;
/** List of options which should be suppressed and not returned the the client
* when available and requested. */
std::vector<DHCPOption_T> m_vecSuppressedOptions;
/** DHCP option map. */
settings::DhcpOptionMap m_OptionMap;
/** The DHCP server parent (weak). */
DHCPServer * const m_pParent;
/** The DHCP server parent (weak). */
VirtualBox * const m_pVirtualBox;
private:
/** For setError and such. */
VirtualBoxBase * const m_pHack;
protected:
/** @name Constructors and destructors.
* @{ */
DHCPConfig(DHCPConfigScope_T a_enmScope, VirtualBoxBase *a_pHack)
: m_enmScope(a_enmScope), m_secMinLeaseTime(0), m_secDefaultLeaseTime(0), m_secMaxLeaseTime(0), m_OptionMap()
, m_pParent(NULL), m_pVirtualBox(NULL), m_pHack(a_pHack)
{}
DHCPConfig();
virtual ~DHCPConfig()
{}
HRESULT i_initWithDefaults(VirtualBox *a_pVirtualBox, DHCPServer *a_pParent);
HRESULT i_initWithSettings(VirtualBox *a_pVirtualBox, DHCPServer *a_pParent, const settings::DHCPConfig &rConfig);
/** @} */
/** @name IDHCPConfig properties
* @{ */
HRESULT i_getScope(DHCPConfigScope_T *aScope);
HRESULT i_getMinLeaseTime(ULONG *aMinLeaseTime);
HRESULT i_setMinLeaseTime(ULONG aMinLeaseTime);
HRESULT i_getDefaultLeaseTime(ULONG *aDefaultLeaseTime);
HRESULT i_setDefaultLeaseTime(ULONG aDefaultLeaseTime);
HRESULT i_getMaxLeaseTime(ULONG *aMaxLeaseTime);
HRESULT i_setMaxLeaseTime(ULONG aMaxLeaseTime);
HRESULT i_getForcedOptions(std::vector<DHCPOption_T> &aOptions);
HRESULT i_setForcedOptions(const std::vector<DHCPOption_T> &aOptions);
HRESULT i_getSuppressedOptions(std::vector<DHCPOption_T> &aOptions);
HRESULT i_setSuppressedOptions(const std::vector<DHCPOption_T> &aOptions);
/** @} */
public:
DECLARE_TRANSLATE_METHODS(DHCPConfig)
/** @name IDHCPConfig methods
* @note public because the DHCPServer needs them for 6.0 interfaces.
* @todo Make protected again when IDHCPServer is cleaned up.
* @{ */
virtual HRESULT i_setOption(DHCPOption_T aOption, DHCPOptionEncoding_T aEncoding, const com::Utf8Str &aValue);
virtual HRESULT i_removeOption(DHCPOption_T aOption);
virtual HRESULT i_removeAllOptions();
HRESULT i_getOption(DHCPOption_T aOption, DHCPOptionEncoding_T *aEncoding, com::Utf8Str &aValue);
HRESULT i_getAllOptions(std::vector<DHCPOption_T> &aOptions, std::vector<DHCPOptionEncoding_T> &aEncodings,
std::vector<com::Utf8Str> &aValues);
virtual HRESULT i_remove();
/** @} */
public:
HRESULT i_doWriteConfig();
HRESULT i_saveSettings(settings::DHCPConfig &a_rDst);
DHCPConfigScope_T i_getScope() const RT_NOEXCEPT { return m_enmScope; }
virtual void i_writeDhcpdConfig(xml::ElementNode *pElm);
};
/**
* Global DHCP configuration.
*/
class DHCPGlobalConfig : public DHCPGlobalConfigWrap, public DHCPConfig
{
public:
DECLARE_TRANSLATE_METHODS(DHCPGlobalConfig)
/** @name Constructors and destructors.
* @{ */
DHCPGlobalConfig()
: DHCPConfig(DHCPConfigScope_Global, this)
{ }
HRESULT FinalConstruct()
{
return BaseFinalConstruct();
}
void FinalRelease()
{
uninit();
BaseFinalRelease();
}
HRESULT initWithDefaults(VirtualBox *a_pVirtualBox, DHCPServer *a_pParent);
HRESULT initWithSettings(VirtualBox *a_pVirtualBox, DHCPServer *a_pParent, const settings::DHCPConfig &rConfig);
void uninit();
/** @} */
HRESULT i_saveSettings(settings::DHCPConfig &a_rDst);
HRESULT i_getNetworkMask(com::Utf8Str &a_rDst);
HRESULT i_setNetworkMask(const com::Utf8Str &a_rSrc);
protected:
/** @name wrapped IDHCPConfig properties
* @{ */
HRESULT getScope(DHCPConfigScope_T *aScope) RT_OVERRIDE { return i_getScope(aScope); }
HRESULT getMinLeaseTime(ULONG *aMinLeaseTime) RT_OVERRIDE { return i_getMinLeaseTime(aMinLeaseTime); }
HRESULT setMinLeaseTime(ULONG aMinLeaseTime) RT_OVERRIDE { return i_setMinLeaseTime(aMinLeaseTime); }
HRESULT getDefaultLeaseTime(ULONG *aDefaultLeaseTime) RT_OVERRIDE { return i_getDefaultLeaseTime(aDefaultLeaseTime); }
HRESULT setDefaultLeaseTime(ULONG aDefaultLeaseTime) RT_OVERRIDE { return i_setDefaultLeaseTime(aDefaultLeaseTime); }
HRESULT getMaxLeaseTime(ULONG *aMaxLeaseTime) RT_OVERRIDE { return i_getMaxLeaseTime(aMaxLeaseTime); }
HRESULT setMaxLeaseTime(ULONG aMaxLeaseTime) RT_OVERRIDE { return i_setMaxLeaseTime(aMaxLeaseTime); }
HRESULT getForcedOptions(std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_getForcedOptions(aOptions); }
HRESULT setForcedOptions(const std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_setForcedOptions(aOptions); }
HRESULT getSuppressedOptions(std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_getSuppressedOptions(aOptions); }
HRESULT setSuppressedOptions(const std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_setSuppressedOptions(aOptions); }
/** @} */
/** @name wrapped IDHCPConfig methods
* @{ */
HRESULT setOption(DHCPOption_T aOption, DHCPOptionEncoding_T aEncoding, const com::Utf8Str &aValue) RT_OVERRIDE
{
return i_setOption(aOption, aEncoding, aValue);
}
HRESULT removeOption(DHCPOption_T aOption) RT_OVERRIDE
{
return i_removeOption(aOption);
}
HRESULT removeAllOptions() RT_OVERRIDE
{
return i_removeAllOptions();
}
HRESULT getOption(DHCPOption_T aOption, DHCPOptionEncoding_T *aEncoding, com::Utf8Str &aValue) RT_OVERRIDE
{
return i_getOption(aOption, aEncoding, aValue);
}
HRESULT getAllOptions(std::vector<DHCPOption_T> &aOptions, std::vector<DHCPOptionEncoding_T> &aEncodings,
std::vector<com::Utf8Str> &aValues) RT_OVERRIDE
{
return i_getAllOptions(aOptions, aEncodings, aValues);
}
HRESULT remove() RT_OVERRIDE
{
return i_remove();
}
/** @} */
public:
HRESULT i_setOption(DHCPOption_T aOption, DHCPOptionEncoding_T aEncoding, const com::Utf8Str &aValue) RT_OVERRIDE;
HRESULT i_removeOption(DHCPOption_T aOption) RT_OVERRIDE;
HRESULT i_removeAllOptions() RT_OVERRIDE;
HRESULT i_remove() RT_OVERRIDE;
};
/**
* DHCP Group inclusion/exclusion condition.
*/
class DHCPGroupCondition : public DHCPGroupConditionWrap
{
private:
/** Inclusive or exclusive condition. */
bool m_fInclusive;
/** The condition type (or how m_strValue should be interpreted). */
DHCPGroupConditionType_T m_enmType;
/** The value. Interpreted according to m_enmType. */
com::Utf8Str m_strValue;
/** Pointer to the parent (weak). */
DHCPGroupConfig *m_pParent;
public:
DECLARE_TRANSLATE_METHODS(DHCPGroupCondition)
/** @name Constructors and destructors.
* @{ */
DHCPGroupCondition()
: m_enmType(DHCPGroupConditionType_MAC)
, m_pParent(NULL)
{}
HRESULT FinalConstruct()
{
return BaseFinalConstruct();
}
void FinalRelease()
{
uninit();
BaseFinalRelease();
}
HRESULT initWithDefaults(DHCPGroupConfig *a_pParent, bool a_fInclusive, DHCPGroupConditionType_T a_enmType,
const com::Utf8Str a_strValue);
HRESULT initWithSettings(DHCPGroupConfig *a_pParent, const settings::DHCPGroupCondition &a_rSrc);
void uninit();
/** @} */
HRESULT i_saveSettings(settings::DHCPGroupCondition &a_rDst);
static HRESULT i_validateTypeAndValue(DHCPGroupConditionType_T enmType, com::Utf8Str const &strValue,
VirtualBoxBase *pErrorDst);
/** @name Internal accessors
* @{ */
bool i_getInclusive() const RT_NOEXCEPT { return m_fInclusive; }
DHCPGroupConditionType_T i_getType() const RT_NOEXCEPT { return m_enmType; }
com::Utf8Str const &i_getValue() const RT_NOEXCEPT { return m_strValue; }
/** @} */
protected:
/** @name Wrapped IDHCPGroupCondition properties
* @{ */
HRESULT getInclusive(BOOL *aInclusive) RT_OVERRIDE;
HRESULT setInclusive(BOOL aInclusive) RT_OVERRIDE;
HRESULT getType(DHCPGroupConditionType_T *aType) RT_OVERRIDE;
HRESULT setType(DHCPGroupConditionType_T aType) RT_OVERRIDE;
HRESULT getValue(com::Utf8Str &aValue) RT_OVERRIDE;
HRESULT setValue(const com::Utf8Str &aValue) RT_OVERRIDE;
/** @} */
/** @name Wrapped IDHCPGroupCondition methods
* @{ */
HRESULT remove() RT_OVERRIDE;
/** @} */
};
/**
* Group configuration.
*/
class DHCPGroupConfig : public DHCPGroupConfigWrap, public DHCPConfig
{
private:
/** Group name. */
com::Utf8Str m_strName;
/** Group membership conditions. */
std::vector<ComObjPtr<DHCPGroupCondition> > m_Conditions;
/** Iterator for m_Conditions. */
typedef std::vector<ComObjPtr<DHCPGroupCondition> >::iterator ConditionsIterator;
public:
DECLARE_TRANSLATE_METHODS(DHCPGroupConfig)
/** @name Constructors and destructors.
* @{ */
DHCPGroupConfig()
: DHCPConfig(DHCPConfigScope_Group, this)
{ }
HRESULT FinalConstruct()
{
return BaseFinalConstruct();
}
void FinalRelease()
{
uninit();
BaseFinalRelease();
}
HRESULT initWithDefaults(VirtualBox *a_pVirtualBox, DHCPServer *a_pParent, const com::Utf8Str &a_rName);
HRESULT initWithSettings(VirtualBox *a_pVirtualBox, DHCPServer *a_pParent, const settings::DHCPGroupConfig &a_rSrc);
void uninit();
/** @} */
HRESULT i_saveSettings(settings::DHCPGroupConfig &a_rDst);
HRESULT i_removeCondition(DHCPGroupCondition *a_pCondition);
void i_writeDhcpdConfig(xml::ElementNode *a_pElmGroup) RT_OVERRIDE;
protected:
/** @name Wrapped IDHCPConfig properties
* @{ */
HRESULT getScope(DHCPConfigScope_T *aScope) RT_OVERRIDE { return i_getScope(aScope); }
HRESULT getMinLeaseTime(ULONG *aMinLeaseTime) RT_OVERRIDE { return i_getMinLeaseTime(aMinLeaseTime); }
HRESULT setMinLeaseTime(ULONG aMinLeaseTime) RT_OVERRIDE { return i_setMinLeaseTime(aMinLeaseTime); }
HRESULT getDefaultLeaseTime(ULONG *aDefaultLeaseTime) RT_OVERRIDE { return i_getDefaultLeaseTime(aDefaultLeaseTime); }
HRESULT setDefaultLeaseTime(ULONG aDefaultLeaseTime) RT_OVERRIDE { return i_setDefaultLeaseTime(aDefaultLeaseTime); }
HRESULT getMaxLeaseTime(ULONG *aMaxLeaseTime) RT_OVERRIDE { return i_getMaxLeaseTime(aMaxLeaseTime); }
HRESULT setMaxLeaseTime(ULONG aMaxLeaseTime) RT_OVERRIDE { return i_setMaxLeaseTime(aMaxLeaseTime); }
HRESULT getForcedOptions(std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_getForcedOptions(aOptions); }
HRESULT setForcedOptions(const std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_setForcedOptions(aOptions); }
HRESULT getSuppressedOptions(std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_getSuppressedOptions(aOptions); }
HRESULT setSuppressedOptions(const std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_setSuppressedOptions(aOptions); }
/** @} */
/** @name Wrapped IDHCPGroupConfig properties
* @{ */
HRESULT getName(com::Utf8Str &aName) RT_OVERRIDE;
HRESULT setName(const com::Utf8Str &aName) RT_OVERRIDE;
HRESULT getConditions(std::vector<ComPtr<IDHCPGroupCondition> > &aConditions) RT_OVERRIDE;
/** @} */
/** @name Wrapped IDHCPConfig methods
* @{ */
HRESULT setOption(DHCPOption_T aOption, DHCPOptionEncoding_T aEncoding, const com::Utf8Str &aValue) RT_OVERRIDE
{
return i_setOption(aOption, aEncoding, aValue);
}
HRESULT removeOption(DHCPOption_T aOption) RT_OVERRIDE
{
return i_removeOption(aOption);
}
HRESULT removeAllOptions() RT_OVERRIDE
{
return i_removeAllOptions();
}
HRESULT getOption(DHCPOption_T aOption, DHCPOptionEncoding_T *aEncoding, com::Utf8Str &aValue) RT_OVERRIDE
{
return i_getOption(aOption, aEncoding, aValue);
}
HRESULT getAllOptions(std::vector<DHCPOption_T> &aOptions, std::vector<DHCPOptionEncoding_T> &aEncodings,
std::vector<com::Utf8Str> &aValues) RT_OVERRIDE
{
return i_getAllOptions(aOptions, aEncodings, aValues);
}
HRESULT remove() RT_OVERRIDE
{
return i_remove();
}
/** @} */
/** @name Wrapped IDHCPGroupConfig methods
* @{ */
HRESULT addCondition(BOOL aInclusive, DHCPGroupConditionType_T aType, const com::Utf8Str &aValue,
ComPtr<IDHCPGroupCondition> &aCondition) RT_OVERRIDE;
HRESULT removeAllConditions() RT_OVERRIDE;
/** @} */
};
/**
* Individual DHCP configuration.
*/
class DHCPIndividualConfig : public DHCPIndividualConfigWrap, public DHCPConfig
{
private:
/** The MAC address or all zeros. */
RTMAC m_MACAddress;
/** The VM ID or all zeros. */
com::Guid const m_idMachine;
/** The VM NIC slot number, or ~(ULONG)0. */
ULONG const m_uSlot;
/** This is part of a hack to resolve the MAC address for
* DHCPConfigScope_MachineNIC instances. If non-zero, we m_MACAddress is valid.
* To deal with the impossibly theoretical scenario that the DHCP server is
* being started by more than one thread, this is a version number and not just
* a boolean indicator. */
uint32_t volatile m_uMACAddressResolvedVersion;
/** The fixed IPv4 address, empty if dynamic. */
com::Utf8Str m_strFixedAddress;
public:
DECLARE_TRANSLATE_METHODS(DHCPIndividualConfig)
/** @name Constructors and destructors.
* @{ */
DHCPIndividualConfig()
: DHCPConfig(DHCPConfigScope_MAC, this)
, m_uSlot(~(ULONG)0)
, m_uMACAddressResolvedVersion(0)
{
RT_ZERO(m_MACAddress);
}
HRESULT FinalConstruct()
{
return BaseFinalConstruct();
}
void FinalRelease()
{
uninit();
BaseFinalRelease();
}
HRESULT initWithMachineIdAndSlot(VirtualBox *a_pVirtualBox, DHCPServer *a_pParent, com::Guid const &a_idMachine,
ULONG a_uSlot, uint32_t a_uMACAddressVersion);
HRESULT initWithMACAddress(VirtualBox *a_pVirtualBox, DHCPServer *a_pParent, PCRTMAC a_pMACAddress);
HRESULT initWithSettingsAndMachineIdAndSlot(VirtualBox *a_pVirtualBox, DHCPServer *a_pParent,
const settings::DHCPIndividualConfig &rData, com::Guid const &a_idMachine,
ULONG a_uSlot, uint32_t a_uMACAddressVersion);
HRESULT initWithSettingsAndMACAddress(VirtualBox *a_pVirtualBox, DHCPServer *a_pParent,
const settings::DHCPIndividualConfig &rData, PCRTMAC a_pMACAddress);
void uninit();
/** @} */
/** @name Internal methods that are public for various reasons
* @{ */
HRESULT i_saveSettings(settings::DHCPIndividualConfig &a_rDst);
RTMAC const &i_getMACAddress() const RT_NOEXCEPT { return m_MACAddress; }
com::Guid const &i_getMachineId() const RT_NOEXCEPT { return m_idMachine; }
ULONG i_getSlot() const RT_NOEXCEPT { return m_uSlot; }
HRESULT i_getMachineMAC(PRTMAC pMACAddress);
HRESULT i_resolveMACAddress(uint32_t uVersion);
/** This is used to avoid producing bogus Dhcpd configuration elements. */
bool i_isMACAddressResolved(uint32_t uVersion) const
{
return m_enmScope != DHCPConfigScope_MachineNIC || (int32_t)(m_uMACAddressResolvedVersion - uVersion) >= 0;
}
void i_writeDhcpdConfig(xml::ElementNode *pElm) RT_OVERRIDE;
/** @} */
protected:
/** @name wrapped IDHCPConfig properties
* @{ */
HRESULT getScope(DHCPConfigScope_T *aScope) RT_OVERRIDE { return i_getScope(aScope); }
HRESULT getMinLeaseTime(ULONG *aMinLeaseTime) RT_OVERRIDE { return i_getMinLeaseTime(aMinLeaseTime); }
HRESULT setMinLeaseTime(ULONG aMinLeaseTime) RT_OVERRIDE { return i_setMinLeaseTime(aMinLeaseTime); }
HRESULT getDefaultLeaseTime(ULONG *aDefaultLeaseTime) RT_OVERRIDE { return i_getDefaultLeaseTime(aDefaultLeaseTime); }
HRESULT setDefaultLeaseTime(ULONG aDefaultLeaseTime) RT_OVERRIDE { return i_setDefaultLeaseTime(aDefaultLeaseTime); }
HRESULT getMaxLeaseTime(ULONG *aMaxLeaseTime) RT_OVERRIDE { return i_getMaxLeaseTime(aMaxLeaseTime); }
HRESULT setMaxLeaseTime(ULONG aMaxLeaseTime) RT_OVERRIDE { return i_setMaxLeaseTime(aMaxLeaseTime); }
HRESULT getForcedOptions(std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_getForcedOptions(aOptions); }
HRESULT setForcedOptions(const std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_setForcedOptions(aOptions); }
HRESULT getSuppressedOptions(std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_getSuppressedOptions(aOptions); }
HRESULT setSuppressedOptions(const std::vector<DHCPOption_T> &aOptions) RT_OVERRIDE { return i_setSuppressedOptions(aOptions); }
/** @} */
/** @name wrapped IDHCPConfig methods
* @{ */
HRESULT setOption(DHCPOption_T aOption, DHCPOptionEncoding_T aEncoding, const com::Utf8Str &aValue) RT_OVERRIDE
{
return i_setOption(aOption, aEncoding, aValue);
}
HRESULT removeOption(DHCPOption_T aOption) RT_OVERRIDE
{
return i_removeOption(aOption);
}
HRESULT removeAllOptions() RT_OVERRIDE
{
return i_removeAllOptions();
}
HRESULT getOption(DHCPOption_T aOption, DHCPOptionEncoding_T *aEncoding, com::Utf8Str &aValue) RT_OVERRIDE
{
return i_getOption(aOption, aEncoding, aValue);
}
HRESULT getAllOptions(std::vector<DHCPOption_T> &aOptions, std::vector<DHCPOptionEncoding_T> &aEncodings,
std::vector<com::Utf8Str> &aValues) RT_OVERRIDE
{
return i_getAllOptions(aOptions, aEncodings, aValues);
}
HRESULT remove() RT_OVERRIDE
{
return i_remove();
}
/** @} */
/** @name IDHCPIndividualConfig properties
* @{ */
HRESULT getMACAddress(com::Utf8Str &aMacAddress) RT_OVERRIDE;
HRESULT getMachineId(com::Guid &aId) RT_OVERRIDE;
HRESULT getSlot(ULONG *aSlot) RT_OVERRIDE;
HRESULT getFixedAddress(com::Utf8Str &aFixedAddress) RT_OVERRIDE;
HRESULT setFixedAddress(const com::Utf8Str &aFixedAddress) RT_OVERRIDE;
/** @} */
};
#endif /* !MAIN_INCLUDED_DHCPConfigImpl_h */
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