/*++ Copyright (c) Microsoft Corporation. All rights reserved. Module Name: dhcpcapi.h Abstract: This file contains function proto types for the DHCP CONFIG API functions. Author: Madan Appiah (madana) Dec-22-1993 Environment: User Mode - Win32 Revision History: --*/ #ifndef _DHCPCAPI_ #define _DHCPCAPI_ #include HANDLE APIENTRY DhcpOpenGlobalEvent( VOID ); typedef enum _SERVICE_ENABLE { IgnoreFlag, DhcpEnable, DhcpDisable } SERVICE_ENABLE, *LPSERVICE_ENABLE; DWORD APIENTRY DhcpAcquireParameters( LPWSTR AdapterName ); DWORD APIENTRY DhcpFallbackRefreshParams( LPWSTR AdapterName ); DWORD APIENTRY DhcpReleaseParameters( LPWSTR AdapterName ); DWORD APIENTRY DhcpEnableDynamicConfig( LPWSTR AdapterName ); DWORD APIENTRY DhcpDisableDynamicConfig( LPWSTR AdapterName ); DWORD APIENTRY DhcpNotifyConfigChange( LPWSTR ServerName, LPWSTR AdapterName, BOOL IsNewIpAddress, DWORD IpIndex, DWORD IpAddress, DWORD SubnetMask, SERVICE_ENABLE DhcpServiceEnabled ); #define NOTIFY_FLG_DO_DNS 0x01 #define NOTIFY_FLG_RESET_IPADDR 0x02 DWORD APIENTRY DhcpNotifyConfigChangeEx( IN LPWSTR ServerName, IN LPWSTR AdapterName, IN BOOL IsNewIpAddress, IN DWORD IpIndex, IN DWORD IpAddress, IN DWORD SubnetMask, IN SERVICE_ENABLE DhcpServiceEnabled, IN ULONG Flags ); DWORD DhcpQueryHWInfo( DWORD IpInterfaceContext, DWORD *pIpInterfaceInstance, LPBYTE HardwareAddressType, LPBYTE *HardwareAddress, LPDWORD HardwareAddressLength ); // // IP address lease apis for RAS . // typedef struct _DHCP_CLIENT_UID { LPBYTE ClientUID; DWORD ClientUIDLength; } DHCP_CLIENT_UID, *LPDHCP_CLIENT_UID; typedef struct _DHCP_LEASE_INFO { DHCP_CLIENT_UID ClientUID; DWORD IpAddress; DWORD SubnetMask; DWORD DhcpServerAddress; DWORD Lease; time_t LeaseObtained; time_t T1Time; time_t T2Time; time_t LeaseExpires; } DHCP_LEASE_INFO, *LPDHCP_LEASE_INFO; typedef struct _DHCP_OPTION_DATA { DWORD OptionID; DWORD OptionLen; LPBYTE Option; } DHCP_OPTION_DATA, *LPDHCP_OPTION_DATA; typedef struct _DHCP_OPTION_INFO { DWORD NumOptions; LPDHCP_OPTION_DATA OptionDataArray; } DHCP_OPTION_INFO, *LPDHCP_OPTION_INFO; typedef struct _DHCP_OPTION_LIST { DWORD NumOptions; LPWORD OptionIDArray; } DHCP_OPTION_LIST, *LPDHCP_OPTION_LIST; DWORD DhcpLeaseIpAddress( DWORD AdapterIpAddress, LPDHCP_CLIENT_UID ClientUID, DWORD DesiredIpAddress, LPDHCP_OPTION_LIST OptionList, LPDHCP_LEASE_INFO *LeaseInfo, LPDHCP_OPTION_INFO *OptionInfo ); DWORD DhcpRenewIpAddressLease( DWORD AdapterIpAddress, LPDHCP_LEASE_INFO ClientLeaseInfo, LPDHCP_OPTION_LIST OptionList, LPDHCP_OPTION_INFO *OptionInfo ); DWORD DhcpReleaseIpAddressLease( DWORD AdapterIpAddress, LPDHCP_LEASE_INFO ClientLeaseInfo ); //DOC //DOC The following are the APIs needed for dhcp-class id UI. //DOC enum /* anonymous */ { DHCP_CLASS_INFO_VERSION_0 // first cut structure version }; typedef struct _DHCP_CLASS_INFO { DWORD Version; // MUST BE DHCP_CLASS_INFO_VERSION_0 LPWSTR ClassName; // Name of the Class. LPWSTR ClassDescr; // Description about the class LPBYTE ClassData; // byte stream on the wire data. DWORD ClassDataLen; // # of bytes in the ClassData (must be > 0) } DHCP_CLASS_INFO, *PDHCP_CLASS_INFO, *LPDHCP_CLASS_INFO; typedef DWORD (WINAPI *LPDHCPENUMCLASSES)( IN DWORD Flags, IN LPWSTR AdapterName, IN OUT DWORD *Size, IN OUT DHCP_CLASS_INFO *ClassesArray ); //DOC DhcpEnumClasses enumerates the list of classes available on the system for configuration. //DOC This is predominantly going to be used by the NetUI. (in which case the ClassData part of the //DOC DHCP_CLASS_INFO structure is essentially useless). //DOC Note that Flags is used for future use. //DOC The AdapterName can currently be only GUIDs but may soon be EXTENDED to be IpAddress strings or //DOC h-w addresses or any other user friendly means of denoting the Adapter. Note that if the Adapter //DOC Name is NULL (not the empty string L""), then it refers to either ALL adapters. //DOC The Size parameter is an input/output parameter. The input value is the # of bytes of allocated //DOC space in the ClassesArray buffer. On return, the meaning of this value depends on the return value. //DOC If the function returns ERROR_SUCCESS, then, this parameter would return the # of elements in the //DOC array ClassesArray. If the function returns ERROR_MORE_DATA, then, this parameter refers to the //DOC # of bytes space that is actually REQUIRED to hold the information. //DOC In all other cases, the values in Size and ClassesArray dont mean anything. //DOC //DOC Return Values: //DOC ERROR_DEVICE_DOES_NOT_EXIST The AdapterName is illegal in the given context //DOC ERROR_INVALID_PARAMETER //DOC ERROR_MORE_DATA //DOC ERROR_FILE_NOT_FOUND The DHCP Client is not running and could not be started up. //DOC ERROR_NOT_ENOUGH_MEMORY This is NOT the same as ERROR_MORE_DATA //DOC Win32 errors //DOC //DOC Remarks: //DOC To notify DHCP that some class has changed, please use the DhcpHandlePnPEvent API. DWORD WINAPI DhcpEnumClasses( // enumerate the list of classes available IN DWORD Flags, // currently must be zero IN LPWSTR AdapterName, // currently must be AdapterGUID (cannot be NULL yet) IN OUT DWORD *Size, // input # of bytes available in BUFFER, output # of elements in array IN OUT DHCP_CLASS_INFO *ClassesArray // pre-allocated buffer ); enum /* anonymous */ { // who are the recognized callers of this API DHCP_CALLER_OTHER = 0, // un-specified user, not one of below DHCP_CALLER_TCPUI, // the TcpIp UI DHCP_CALLER_RAS, // the RAS Api DHCP_CALLER_API, // some one else via DHCP API }; enum /* anonymous */ { // supported structure versions.. DHCP_PNP_CHANGE_VERSION_0 = 0 // first cut version structure }; typedef struct _DHCP_PNP_CHANGE { DWORD Version; // MUST BE DHCP_PNP_CHANGE_VERSION_0 BOOL DnsListChanged;// DNS Server list changed BOOL DomainChanged; // Domain Name changed BOOL HostNameChanged; // the DNS Host name changed.. BOOL ClassIdChanged;// ClassId changed BOOL MaskChanged; // SubnetMask changed; CURRENTLY NOT USED BOOL GateWayChanged;// DefaultGateWay changed; CURRENTLY NOT USED BOOL RouteChanged; // some STATIC route changed; CURRENTLY NOT USED BOOL OptsChanged; // some options changed. CURRENTLY NOT USED BOOL OptDefsChanged;// some option definitions changed. CURRENTLY NOT USED BOOL DnsOptionsChanged; // some DNS specific options have changed. } DHCP_PNP_CHANGE, *PDHCP_PNP_CHANGE, *LPDHCP_PNP_CHANGE; typedef // this typedef SHOULD match the following declaration. DWORD (WINAPI FAR *LPDHCPHANDLEPNPEVENT)( IN DWORD Flags, IN DWORD Caller, IN LPWSTR AdapterName, IN LPDHCP_PNP_CHANGE Changes, IN LPVOID Reserved ); //DOC DhcpHandlePnpEvent can be called as an API by any process (excepting that executing within the //DOC DHCP process itself) when any of the registry based configuration has changed and DHCP client has to //DOC re-read the registry. The Flags parameter is for future expansion. //DOC The AdapterName can currently be only GUIDs but may soon be EXTENDED to be IpAddress strings or //DOC h-w addresses or any other user friendly means of denoting the Adapter. Note that if the Adapter //DOC Name is NULL (not the empty string L""), then it refers to either GLOBAL parameters or ALL adapters //DOC depending on which BOOL has been set. (this may not get done for BETA2). //DOC The Changes structure gives the information on what changed. //DOC Currently, only a few of the defined BOOLs would be supported (for BETA2 NT5). //DOC //DOC Return Values: //DOC ERROR_DEVICE_DOES_NOT_EXIST The AdapterName is illegal in the given context //DOC ERROR_INVALID_PARAMETER //DOC ERROR_CALL_NOT_SUPPORTED The particular parameter that has changed is not completely pnp yet. //DOC Win32 errors DWORD WINAPI DhcpHandlePnPEvent( IN DWORD Flags, // MUST BE ZERO IN DWORD Caller, // currently must be DHCP_CALLER_TCPUI IN LPWSTR AdapterName, // currently must be the adapter GUID or NULL if global IN LPDHCP_PNP_CHANGE Changes, // specify what changed IN LPVOID Reserved // reserved for future use.. ); //================================================================================ // end of file //================================================================================ #endif