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windows-nt/Source/XPSP1/NT/shell/ext/hnw/nconn32/mycfgmgr.cpp

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//
// MyCfgMgr.cpp
//
// Config Manager functions, and simulations of config manager functions
//
// History:
//
// 1/13/2000 KenSh Created
//
#include "stdafx.h"
#include "NetConn.h"
#include "nconnwrap.h"
#include "TheApp.h"
// Define this if you want to use CFGMGR32.DLL (requires Win98 or later)
//
#define USE_CFGMGR32
// Definitions used by config manager API's
//
// (Taken from Millennium\root\dev\ddk\inc\cfgmgr32.h -ks 1/13/2000)
//
#define CMAPI // DECLSPEC_IMPORT
typedef DWORD RETURN_TYPE;
typedef RETURN_TYPE CONFIGRET;
#define CR_SUCCESS (0x00000000)
#define CR_FAILURE (0x00000013)
#ifndef USE_CFGMGR32
// Internal Config Manager definitions
//
// (Taken from Millennium\root\pnp\dll\cfgmgr32\cm32api.h -ks 1/13/2000)
//
#define CM32_WARNS(_x_)
#define CONFIGMG_W32IOCTL_RANGE 0x80000000
#define CONFIGMG_DEVICE_ID 0x00033 /* Configuration manager (Plug&Play) */
#define GetVxDServiceOrdinal(service) __##service
#define Begin_Service_Table(device, seg) \
enum device##_SERVICES { \
device##_dummy = (device##_DEVICE_ID << 16) - 1,
#define Declare_Service(service, local) \
GetVxDServiceOrdinal(service),
#define End_Service_Table(device, seg) \
Num_##device##_Services};
#define CONFIGMG_Service Declare_Service
Begin_Service_Table(CONFIGMG, VxD)
CONFIGMG_Service (_CONFIGMG_Get_Version, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Initialize, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Locate_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Parent, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Child, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Sibling, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Device_ID_Size, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Device_ID, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Depth, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Private_DWord, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Set_Private_DWord, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Create_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Query_Remove_SubTree, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Remove_SubTree, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Register_Device_Driver, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Register_Enumerator, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Register_Arbitrator, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Deregister_Arbitrator, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Query_Arbitrator_Free_Size, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Query_Arbitrator_Free_Data, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Sort_NodeList, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Yield, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Lock, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Unlock, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Add_Empty_Log_Conf, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Free_Log_Conf, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_First_Log_Conf, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Next_Log_Conf, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Add_Res_Des, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Modify_Res_Des, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Free_Res_Des, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Next_Res_Des, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Performance_Info, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Res_Des_Data_Size, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Res_Des_Data, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Process_Events_Now, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Create_Range_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Add_Range, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Delete_Range, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Test_Range_Available, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Dup_Range_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Free_Range_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Invert_Range_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Intersect_Range_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_First_Range, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Next_Range, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Dump_Range_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Load_DLVxDs, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_DDBs, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_CRC_CheckSum, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Register_DevLoader, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Reenumerate_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Setup_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Reset_Children_Marks, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_DevNode_Status, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Remove_Unmarked_Children, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_ISAPNP_To_CM, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_CallBack_Device_Driver, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_CallBack_Enumerator, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Alloc_Log_Conf, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_DevNode_Key_Size, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_DevNode_Key, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Read_Registry_Value, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Write_Registry_Value, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Disable_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Enable_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Move_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Set_Bus_Info, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Bus_Info, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Set_HW_Prof, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Recompute_HW_Prof, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Query_Change_HW_Prof, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Device_Driver_Private_DWord, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Set_Device_Driver_Private_DWord, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_HW_Prof_Flags, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Set_HW_Prof_Flags, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Read_Registry_Log_Confs, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Run_Detection, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Call_At_Appy_Time, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Fail_Change_HW_Prof, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Set_Private_Problem, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Debug_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Hardware_Profile_Info, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Register_Enumerator_Function, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Call_Enumerator_Function, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Add_ID, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Find_Range, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Global_State, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Broadcast_Device_Change_Message, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Call_DevNode_Handler, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Remove_Reinsert_All, VxD_CODE)
//
// 4.0 OPK2 Services
//
CONFIGMG_Service (_CONFIGMG_Change_DevNode_Status, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Reprocess_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Assert_Structure, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Discard_Boot_Log_Conf, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Set_Dependent_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Dependent_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Refilter_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Merge_Range_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Substract_Range_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Set_DevNode_PowerState, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_DevNode_PowerState, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Set_DevNode_PowerCapabilities, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_DevNode_PowerCapabilities, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Read_Range_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Write_Range_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Log_Conf_Priority, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Support_Share_Irq, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Parent_Structure, VxD_CODE)
//
// 4.1 Services
//
CONFIGMG_Service (_CONFIGMG_Register_DevNode_For_Idle_Detection, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_CM_To_ISAPNP, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_DevNode_Handler, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Detect_Resource_Conflict, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Device_Interface_List, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Device_Interface_List_Size, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Conflict_Info, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Add_Remove_DevNode_Property, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_CallBack_At_Appy_Time, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Register_Device_Interface, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_System_Device_Power_State_Mapping, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Arbitrator_Info, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Waking_Up_From_DevNode, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Set_DevNode_Problem, VxD_CODE)
CONFIGMG_Service (_CONFIGMG_Get_Device_Interface_Alias, VxD_CODE)
End_Service_Table(CONFIGMG, VxD)
//
// struct pass to ConfigMG DeviceIOCTLs
//
// (Taken from Millennium\root\pnp\dll\cfgmgr32\cm32api.h -ks 1/13/2000)
//
struct _WIN32CMIOCTLPACKET {
DWORD dwStack;
DWORD dwServiceNumber;
};
typedef struct _WIN32CMIOCTLPACKET WIN32CMIOCTLPACKET;
typedef WIN32CMIOCTLPACKET *PWIN32CMIOCTLPACKET;
// call into ConfigMG using the handle we obtained at process_attach
//
// (Taken from Millennium\root\pnp\dll\cfgmgr32\cfgmgr32.c -ks 1/13/2000)
//
CONFIGRET static WINAPI WIN32CMIOCTLHandler(PWIN32CMIOCTLPACKET pPacket)
{
CONFIGRET crReturnValue = CR_FAILURE;
DWORD dwReturnSize = 0;
HANDLE hCONFIGMG;
hCONFIGMG = CreateFile("\\\\.\\CONFIGMG",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, NULL);
if (INVALID_HANDLE_VALUE == hCONFIGMG)
{
// MessageBox(NULL, "Could not get a handle to CONFIGMG.VXD returning CR_FAILURE!\n", "DEBUG", 0);
CM32_WARNS(("Could not get a handle to CONFIGMG.VXD returning CR_FAILURE!\n"));
return CR_FAILURE;
}
if (!DeviceIoControl(hCONFIGMG, pPacket->dwServiceNumber,
&(pPacket->dwStack), sizeof(pPacket->dwStack),
&crReturnValue, sizeof(crReturnValue), &dwReturnSize, NULL))
{
// char szDebug[1024];
// wsprintf(szDebug, "ERROR: DeviceIoControl() failed with error 0x%X on service 0x%X\n",
// GetLastError(), pPacket->dwServiceNumber);
// MessageBox(NULL, szDebug, "DEBUG", 0);
CM32_WARNS(("ERROR: DeviceIoControl() failed with error 0x%X on service 0x%X\n",
GetLastError(), pPacket->dwServiceNumber));
crReturnValue = CR_FAILURE;
}
if (dwReturnSize != sizeof(crReturnValue))
{
// char szDebug[1024];
// wsprintf(szDebug, "ERROR: DeviceIoControl() only returned %d bytes, expected %d!\n",
// dwReturnSize, sizeof(crReturnValue));
// MessageBox(NULL, szDebug, "DEBUG", 0);
CM32_WARNS(("ERROR: DeviceIoControl() only returned %d bytes, expected %d!\n",
dwReturnSize, sizeof(crReturnValue)));
crReturnValue = CR_FAILURE;
}
CloseHandle(hCONFIGMG);
// {
// char szDebug[1024];
// wsprintf(szDebug, "WIN32CMIOCTLHandler returning with code 0x%08X", (LONG)crReturnValue);
// MessageBox(NULL, szDebug, "DEBUG", 0);
// }
return(crReturnValue);
}
// CMWorker call ConfigMG on the original thread.
//
// (Taken from Millennium\root\pnp\dll\cfgmgr32\cfgmgr32.c -ks 1/13/2000)
//
CONFIGRET WINAPI CMWorker(DWORD dwStack, DWORD dwServiceNumber)
{
WIN32CMIOCTLPACKET Packet;
Packet.dwStack = dwStack;
Packet.dwServiceNumber = dwServiceNumber;
return(WIN32CMIOCTLHandler(&Packet));
}
//
// WORKER will call ConfigMG on the original thread which is much faster but cannot be used for services which require
// configmg to do a system broadcast.
//
// (Taken from Millennium\root\pnp\dll\cfgmgr32\cfgmgr32.c -ks 1/13/2000)
//
#define WORKER(NAME) \
\
DWORD dwStack; \
_asm {mov dwStack, ebp}; \
dwStack+=8; \
return(CMWorker(dwStack, CONFIGMG_W32IOCTL_RANGE+(GetVxDServiceOrdinal(_CONFIGMG_##NAME) & 0xFFFF)));
#endif // !defined(USE_CFGMGR32)
//////////////////////////////////////////////////////////////////////////////
#define CM_DISABLE_POLITE (0x00000000) // Ask the driver
#define CM_DISABLE_ABSOLUTE (0x00000001) // Don't ask the driver
#define CM_DISABLE_HARDWARE (0x00000002) // Don't ask the driver, and won't be restarteable
#define CM_DISABLE_BITS (0x00000003) // The bits for the disable function
#define DN_ROOT_ENUMERATED (0x00000001) // Was enumerated by ROOT
#define DN_DRIVER_LOADED (0x00000002) // Has Register_Device_Driver
#define DN_ENUM_LOADED (0x00000004) // Has Register_Enumerator
#define DN_STARTED (0x00000008) // Is currently configured
#define DN_MANUAL (0x00000010) // Manually installed
#define DN_NEED_TO_ENUM (0x00000020) // May need reenumeration
#define DN_NOT_FIRST_TIME (0x00000040) // Has received a config
#define DN_HARDWARE_ENUM (0x00000080) // Enum generates hardware ID
#define DN_LIAR (0x00000100) // Lied about can reconfig once
#define DN_HAS_MARK (0x00000200) // Not CM_Create_DevInst lately
#define DN_HAS_PROBLEM (0x00000400) // Need device installer
#define DN_FILTERED (0x00000800) // Is filtered
#define DN_MOVED (0x00001000) // Has been moved
#define DN_DISABLEABLE (0x00002000) // Can be rebalanced
#define DN_REMOVABLE (0x00004000) // Can be removed
#define DN_PRIVATE_PROBLEM (0x00008000) // Has a private problem
#define DN_MF_PARENT (0x00010000) // Multi function parent
#define DN_MF_CHILD (0x00020000) // Multi function child
#define DN_WILL_BE_REMOVED (0x00040000) // DevInst is being removed
#define CM_PROB_NOT_CONFIGURED 0x00000001
#define CM_PROB_DEVLOADER_FAILED 0x00000002
#define CM_PROB_OUT_OF_MEMORY 0x00000003
#define CM_PROB_ENTRY_IS_WRONG_TYPE 0x00000004
#define CM_PROB_LACKED_ARBITRATOR 0x00000005
#define CM_PROB_BOOT_CONFIG_CONFLICT 0x00000006
#define CM_PROB_FAILED_FILTER 0x00000007
#define CM_PROB_DEVLOADER_NOT_FOUND 0x00000008
#define CM_PROB_INVALID_DATA 0x00000009
#define CM_PROB_FAILED_START 0x0000000A
#define CM_PROB_LIAR 0x0000000B
#define CM_PROB_NORMAL_CONFLICT 0x0000000C
#define CM_PROB_NOT_VERIFIED 0x0000000D
#define CM_PROB_NEED_RESTART 0x0000000E
#define CM_PROB_REENUMERATION 0x0000000F
#define CM_PROB_PARTIAL_LOG_CONF 0x00000010
#define CM_PROB_UNKNOWN_RESOURCE 0x00000011
#define CM_PROB_REINSTALL 0x00000012
#define CM_PROB_REGISTRY 0x00000013
#define CM_PROB_VXDLDR 0x00000014
#define CM_PROB_WILL_BE_REMOVED 0x00000015
#define CM_PROB_DISABLED 0x00000016
#define CM_PROB_DEVLOADER_NOT_READY 0x00000017
#define CM_PROB_DEVICE_NOT_THERE 0x00000018
#define CM_PROB_MOVED 0x00000019
#define CM_PROB_TOO_EARLY 0x0000001A
#define CM_PROB_NO_VALID_LOG_CONF 0x0000001B
#define CM_PROB_FAILED_INSTALL 0x0000001C
#define CM_PROB_HARDWARE_DISABLED 0x0000001D
#define CM_PROB_CANT_SHARE_IRQ 0x0000001E
#define NUM_CM_PROB 0x0000001F
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
extern "C" CMAPI CONFIGRET WINAPI CM_Get_DevNode_Status(
OUT PULONG pulStatus,
OUT PULONG pulProblemNumber,
IN DEVINST dnDevInst,
IN ULONG ulFlags
)
{
#ifdef USE_CFGMGR32
typedef CMAPI CONFIGRET (WINAPI * PROC_GetDevNodeStatus)(PULONG, PULONG, DEVINST, ULONG);
CONFIGRET retval = CR_FAILURE;
HINSTANCE hInstCfgMgr = LoadLibrary("cfgmgr32");
if (hInstCfgMgr != NULL)
{
PROC_GetDevNodeStatus pfn = (PROC_GetDevNodeStatus)GetProcAddress(hInstCfgMgr, "CM_Get_DevNode_Status");
if (pfn != NULL)
{
retval = (*pfn)(pulStatus, pulProblemNumber, dnDevInst, ulFlags);
}
FreeLibrary(hInstCfgMgr);
}
return retval;
#else // !defined(USE_CFGMGR32)
WORKER(Get_DevNode_Status)
#endif
}
DWORD GetChildDevice(
OUT DWORD* pdnChildInst,
IN DWORD dnDevInst,
IN OUT HINSTANCE* phInstance,
IN ULONG ulFlags
)
{
typedef CMAPI CONFIGRET (WINAPI * PFNGETCHILD)(DEVINST*, DEVINST, ULONG);
CONFIGRET retval = CR_FAILURE;
if ( NULL == *phInstance )
{
*phInstance = LoadLibrary("cfgmgr32");
}
if ( NULL != *phInstance )
{
PFNGETCHILD pfn = (PFNGETCHILD)GetProcAddress(*phInstance, "CM_Get_Child");
if (pfn != NULL)
{
retval = (*pfn)(pdnChildInst, dnDevInst, ulFlags);
}
}
return retval;
}
DWORD GetSiblingDevice(
OUT DWORD* pdnChildInst,
IN DWORD dnDevInst,
IN HINSTANCE hInstance,
IN ULONG ulFlags
)
{
typedef CMAPI CONFIGRET (WINAPI * PFNGETSIBLING)(DEVINST*, DEVINST, ULONG);
CONFIGRET retval = CR_FAILURE;
if ( NULL != hInstance )
{
PFNGETSIBLING pfn = (PFNGETSIBLING)GetProcAddress(hInstance, "CM_Get_Sibling");
if (pfn != NULL)
{
retval = (*pfn)(pdnChildInst, dnDevInst, ulFlags);
}
}
return retval;
}
DWORD GetDevNodeRegistryPropertyA(
IN DWORD dnDevInst,
IN ULONG ulProperty,
OUT PULONG pulRegDataType,
OUT PVOID Buffer,
IN OUT PULONG pulLength,
IN ULONG ulFlags
)
{
typedef CMAPI CONFIGRET (WINAPI * PFNGetDevNodeRegistryPropertyA)(DEVINST, ULONG, PULONG, PVOID, PULONG, ULONG);
CONFIGRET retval = CR_FAILURE;
HINSTANCE hInstCfgMgr = LoadLibrary("cfgmgr32");
if (hInstCfgMgr != NULL)
{
PFNGetDevNodeRegistryPropertyA pfn = (PFNGetDevNodeRegistryPropertyA)GetProcAddress(hInstCfgMgr, "CM_Get_DevNode_Registry_PropertyA");
if (pfn != NULL)
{
retval = (*pfn)(dnDevInst, ulProperty, pulRegDataType, Buffer, pulLength, ulFlags);
}
FreeLibrary(hInstCfgMgr);
}
return retval;
}
DWORD GetDeviceIdA(
IN DWORD dnDevInst,
OUT char** Buffer,
OUT ULONG* pLength,
IN ULONG ulFlags
)
{
typedef CMAPI CONFIGRET (WINAPI * PFNGETDEVICEIDSIZE)(ULONG*, DEVINST, ULONG);
typedef CMAPI CONFIGRET (WINAPI * PFNGETDEVICEID)(DEVINST, TCHAR*, ULONG, ULONG);
CONFIGRET retval = CR_FAILURE;
if ( Buffer ) *Buffer = NULL;
if ( pLength ) *pLength = 0L;
if ( Buffer && pLength )
{
HINSTANCE hInstCfgMgr = LoadLibrary("cfgmgr32");
if (hInstCfgMgr != NULL)
{
PFNGETDEVICEIDSIZE pfn = (PFNGETDEVICEIDSIZE)GetProcAddress(hInstCfgMgr, "CM_Get_Device_ID_Size");
if ( pfn )
{
ULONG ulLen = 0;
retval = (*pfn)(&ulLen, dnDevInst, 0);
if ( CR_SUCCESS == retval )
{
TCHAR* DeviceIdBuffer = new TCHAR[ ulLen ];
retval = CR_FAILURE;
if ( DeviceIdBuffer )
{
PFNGETDEVICEID pfnGet = (PFNGETDEVICEID)GetProcAddress(hInstCfgMgr, "CM_Get_Device_IDA");
if ( pfnGet )
{
retval = (*pfnGet)(dnDevInst, DeviceIdBuffer, ulLen, ulFlags);
if ( CR_SUCCESS == retval )
{
*Buffer = DeviceIdBuffer;
*pLength = ulLen;
}
}
if ( CR_SUCCESS != retval )
{
delete [] DeviceIdBuffer;
}
}
}
}
FreeLibrary(hInstCfgMgr);
}
}
return retval;
}
BOOL WINAPI IsNetAdapterBroken(const NETADAPTER* pAdapter)
{
BOOL bBroken = FALSE;
DWORD dwStatus, dwProblemNumber;
if (GetNetAdapterStatus(pAdapter, &dwStatus, &dwProblemNumber))
{
UINT nProblem = LOWORD(dwProblemNumber);
if (nProblem != 0)
bBroken = TRUE;
}
return bBroken;
}
BOOL WINAPI GetNetAdapterStatus(const NETADAPTER* pAdapter, DWORD* pdwStatus, DWORD* pdwProblemNumber)
{
BOOL bGotStatus = FALSE;
DEVNODE dn = pAdapter->devnode;
ULONG Status = 0L;
ULONG Problem = 0L;
if ( NULL != dn )
{
if ( CM_Get_DevNode_Status(&Status, &Problem, dn, 0) == CR_SUCCESS )
{
bGotStatus = TRUE;
}
else
{
Status = 0L;
Problem = 0L;
}
}
if ( pdwStatus ) *pdwStatus = Status;
if ( pdwProblemNumber ) *pdwProblemNumber = Problem;
return bGotStatus;
}
DWORD WINAPI GetNetAdapterDevNode(NETADAPTER* pAdapter)
{
HRESULT hr;
DEVNODE dn;
DWORD dwFreePointer;
// REVIEW: this is not robust if there is more than one matching device
hr = LookupDevNode16(NULL, _T("Net"), pAdapter->szEnumKey, &dn, &dwFreePointer);
if ( SUCCEEDED(hr) )
{
pAdapter->devnode = dn;
FreeDevNode16(dwFreePointer);
}
return dn;
}
HRESULT WINAPI RestartNetAdapter(DWORD devnode)
{
HRESULT hr = E_FAIL;
typedef CMAPI CONFIGRET (WINAPI* PFNDISABLEDEVNODE)(DEVINST, ULONG);
typedef CMAPI CONFIGRET (WINAPI* PFNENABLEDEVNODE)(DEVINST, ULONG);
typedef CMAPI CONFIGRET (WINAPI* PFNGETDEVNODESTATUS)(PULONG, PULONG, DEVINST, ULONG);
typedef CMAPI CONFIGRET (WINAPI* PFNGETGLOBALSTATE)(PULONG, ULONG);
HINSTANCE hInstCfgMgr = LoadLibrary("cfgmgr32");
if ( hInstCfgMgr )
{
PFNDISABLEDEVNODE pfnDisableDevnode =
(PFNDISABLEDEVNODE)GetProcAddress(hInstCfgMgr, "CM_Disable_DevNode");
PFNENABLEDEVNODE pfnEnableDevnode =
(PFNDISABLEDEVNODE)GetProcAddress(hInstCfgMgr, "CM_Enable_DevNode");
PFNGETDEVNODESTATUS pfnGetDevNodeStatus =
(PFNGETDEVNODESTATUS)GetProcAddress(hInstCfgMgr, "CM_Get_DevNode_Status");
PFNGETGLOBALSTATE pfnGetGlobalState =
(PFNGETGLOBALSTATE)GetProcAddress(hInstCfgMgr, "CM_Get_Global_State");
if ( pfnDisableDevnode && pfnEnableDevnode && pfnGetDevNodeStatus )
{
CONFIGRET retval;
retval = (*pfnDisableDevnode)( devnode, CM_DISABLE_ABSOLUTE );
if ( CR_SUCCESS == retval )
{
ULONG Status = 0L;
ULONG Problem = 0L;
ULONG TimeToWait = 60L;
do
{
Sleep( 1000 );
retval = (*pfnGetDevNodeStatus)( &Status, &Problem, devnode, 0 );
}
while ( (CR_SUCCESS == retval) && (CM_PROB_DISABLED != Problem) && (--TimeToWait) );
if ( CR_SUCCESS == retval )
{
retval = pfnEnableDevnode( devnode, 0 );
if ( CR_SUCCESS == retval )
{
TimeToWait = 60L;
do
{
Sleep( 1000 );
if ( pfnGetGlobalState )
{
retval = pfnGetGlobalState( &Status, 0 );
}
else
{
retval = (*pfnGetDevNodeStatus)( &Status, &Problem, devnode, 0 );
}
}
while ( (CR_SUCCESS == retval) && (DN_HAS_PROBLEM & Status) && (--TimeToWait) );
if ( CR_SUCCESS == retval )
{
hr = S_OK;
}
}
}
}
}
FreeLibrary( hInstCfgMgr );
}
return hr;
}
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