cfgmgr.c

来自「一个类似windows」· C语言 代码 · 共 2,242 行 · 第 1/5 页

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            return CR_FAILURE;
    }
    else
    {
        if (!PnpGetLocalHandles(&BindingHandle, &StringTable))
            return CR_FAILURE;
    }

    lpDevInst = StringTableStringFromId(StringTable, dnDevInst);
    if (lpDevInst == NULL)
        return CR_INVALID_DEVNODE;

    return PNP_DeviceInstanceAction(BindingHandle,
                                    5,
                                    ulFlags,
                                    lpDevInst,
                                    NULL);
}


/***********************************************************************
 * CM_Disconnect_Machine [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Disconnect_Machine(HMACHINE hMachine)
{
    PMACHINE_INFO pMachine;

    TRACE("%lx\n", hMachine);

    pMachine = (PMACHINE_INFO)hMachine;
    if (pMachine == NULL)
        return CR_SUCCESS;

    if (pMachine->StringTable != NULL)
        StringTableDestroy(pMachine->StringTable);

    if (!PnpUnbindRpc(pMachine->BindingHandle))
        return CR_ACCESS_DENIED;

    HeapFree(GetProcessHeap(), 0, pMachine);

    return CR_SUCCESS;
}


/***********************************************************************
 * CM_Enable_DevNode [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Enable_DevNode(
    DEVINST dnDevInst, ULONG ulFlags)
{
    TRACE("%p %lx\n", dnDevInst, ulFlags);
    return CM_Enable_DevNode_Ex(dnDevInst, ulFlags, NULL);
}


/***********************************************************************
 * CM_Enable_DevNode_Ex [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Enable_DevNode_Ex(
    DEVINST dnDevInst, ULONG ulFlags, HMACHINE hMachine)
{
    RPC_BINDING_HANDLE BindingHandle = NULL;
    HSTRING_TABLE StringTable = NULL;
    LPWSTR lpDevInst;

    FIXME("%p %lx %p\n", dnDevInst, ulFlags, hMachine);

    if (!IsUserAdmin())
        return CR_ACCESS_DENIED;

    if (dnDevInst == 0)
        return CR_INVALID_DEVINST;

    if (ulFlags != 0)
        return CR_INVALID_FLAG;

    if (hMachine != NULL)
    {
        BindingHandle = ((PMACHINE_INFO)hMachine)->BindingHandle;
        if (BindingHandle == NULL)
            return CR_FAILURE;

        StringTable = ((PMACHINE_INFO)hMachine)->StringTable;
        if (StringTable == 0)
            return CR_FAILURE;
    }
    else
    {
        if (!PnpGetLocalHandles(&BindingHandle, &StringTable))
            return CR_FAILURE;
    }

    lpDevInst = StringTableStringFromId(StringTable, dnDevInst);
    if (lpDevInst == NULL)
        return CR_INVALID_DEVNODE;

    return PNP_DeviceInstanceAction(BindingHandle,
                                    4,
                                    ulFlags,
                                    lpDevInst,
                                    NULL);
}


/***********************************************************************
 * CM_Enumerate_Classes [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Enumerate_Classes(
    ULONG ulClassIndex, LPGUID ClassGuid, ULONG ulFlags)
{
    TRACE("%lx %p %lx\n", ulClassIndex, ClassGuid, ulFlags);
    return CM_Enumerate_Classes_Ex(ulClassIndex, ClassGuid, ulFlags, NULL);
}


/***********************************************************************
 * CM_Enumerate_Classes_Ex [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Enumerate_Classes_Ex(
    ULONG ulClassIndex, LPGUID ClassGuid, ULONG ulFlags, HMACHINE hMachine)
{
    WCHAR szBuffer[MAX_GUID_STRING_LEN];
    RPC_BINDING_HANDLE BindingHandle = NULL;
    CONFIGRET ret = CR_SUCCESS;
    ULONG ulLength = MAX_GUID_STRING_LEN;

    TRACE("%lx %p %lx %p\n", ulClassIndex, ClassGuid, ulFlags, hMachine);

    if (ClassGuid == NULL)
        return CR_INVALID_POINTER;

    if (ulFlags != 0)
        return CR_INVALID_FLAG;

    if (hMachine != NULL)
    {
        BindingHandle = ((PMACHINE_INFO)hMachine)->BindingHandle;
        if (BindingHandle == NULL)
            return CR_FAILURE;
    }
    else
    {
        if (!PnpGetLocalHandles(&BindingHandle, NULL))
            return CR_FAILURE;
    }

    ret = PNP_EnumerateSubKeys(BindingHandle,
                               PNP_BRANCH_CLASS,
                               ulClassIndex,
                               szBuffer,
                               MAX_GUID_STRING_LEN,
                               &ulLength,
                               ulFlags);
    if (ret == CR_SUCCESS)
    {
        /* Remove the {} */
        szBuffer[MAX_GUID_STRING_LEN - 2] = UNICODE_NULL;

        /* Convert the buffer to a GUID */
        if (UuidFromStringW(&szBuffer[1], ClassGuid) != RPC_S_OK)
            return CR_FAILURE;
    }

    return ret;
}


/***********************************************************************
 * CM_Enumerate_EnumeratorsA [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Enumerate_EnumeratorsA(
    ULONG ulEnumIndex, PCHAR Buffer, PULONG pulLength, ULONG ulFlags)
{
    TRACE("%lu %p %p %lx\n", ulEnumIndex, Buffer, pulLength, ulFlags);
    return CM_Enumerate_Enumerators_ExA(ulEnumIndex, Buffer, pulLength,
                                        ulFlags, NULL);
}


/***********************************************************************
 * CM_Enumerate_EnumeratorsW [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Enumerate_EnumeratorsW(
    ULONG ulEnumIndex, PWCHAR Buffer, PULONG pulLength, ULONG ulFlags)
{
    TRACE("%lu %p %p %lx\n", ulEnumIndex, Buffer, pulLength, ulFlags);
    return CM_Enumerate_Enumerators_ExW(ulEnumIndex, Buffer, pulLength,
                                        ulFlags, NULL);
}


/***********************************************************************
 * CM_Enumerate_Enumerators_ExA [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Enumerate_Enumerators_ExA(
    ULONG ulEnumIndex, PCHAR Buffer, PULONG pulLength, ULONG ulFlags,
    HMACHINE hMachine)
{
    WCHAR szBuffer[MAX_DEVICE_ID_LEN];
    ULONG ulOrigLength;
    ULONG ulLength;
    CONFIGRET ret = CR_SUCCESS;

    TRACE("%lu %p %p %lx %lx\n", ulEnumIndex, Buffer, pulLength, ulFlags,
          hMachine);

    if (Buffer == NULL || pulLength == NULL)
        return CR_INVALID_POINTER;

    if (ulFlags != 0)
        return CR_INVALID_FLAG;

    ulOrigLength = *pulLength;
    *pulLength = 0;

    ulLength = MAX_DEVICE_ID_LEN;
    ret = CM_Enumerate_Enumerators_ExW(ulEnumIndex, szBuffer, &ulLength,
                                       ulFlags, hMachine);
    if (ret == CR_SUCCESS)
    {
        if (WideCharToMultiByte(CP_ACP,
                                0,
                                szBuffer,
                                ulLength,
                                Buffer,
                                ulOrigLength,
                                NULL,
                                NULL) == 0)
            ret = CR_FAILURE;
        else
            *pulLength = lstrlenA(Buffer) + 1;
    }

    return ret;
}


/***********************************************************************
 * CM_Enumerate_Enumerators_ExW [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Enumerate_Enumerators_ExW(
    ULONG ulEnumIndex, PWCHAR Buffer, PULONG pulLength, ULONG ulFlags,
    HMACHINE hMachine)
{
    RPC_BINDING_HANDLE BindingHandle = NULL;

    TRACE("%lu %p %p %lx %lx\n", ulEnumIndex, Buffer, pulLength, ulFlags,
          hMachine);

    if (Buffer == NULL || pulLength == NULL)
        return CR_INVALID_POINTER;

    if (ulFlags != 0)
        return CR_INVALID_FLAG;

    *Buffer = UNICODE_NULL;

    if (hMachine != NULL)
    {
        BindingHandle = ((PMACHINE_INFO)hMachine)->BindingHandle;
        if (BindingHandle == NULL)
            return CR_FAILURE;
    }
    else
    {
        if (!PnpGetLocalHandles(&BindingHandle, NULL))
            return CR_FAILURE;
    }

    return PNP_EnumerateSubKeys(BindingHandle,
                                PNP_BRANCH_ENUM,
                                ulEnumIndex,
                                Buffer,
                                *pulLength,
                                pulLength,
                                ulFlags);
}


/***********************************************************************
 * CM_Get_Child [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Get_Child(
    PDEVINST pdnDevInst, DEVINST dnDevInst, ULONG ulFlags)
{
    TRACE("%p %p %lx\n", pdnDevInst, dnDevInst, ulFlags);
    return CM_Get_Child_Ex(pdnDevInst, dnDevInst, ulFlags, NULL);
}


/***********************************************************************
 * CM_Get_Child_Ex [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Get_Child_Ex(
    PDEVINST pdnDevInst, DEVINST dnDevInst, ULONG ulFlags, HMACHINE hMachine)
{
    WCHAR szRelatedDevInst[MAX_DEVICE_ID_LEN];
    RPC_BINDING_HANDLE BindingHandle = NULL;
    HSTRING_TABLE StringTable = NULL;
    LPWSTR lpDevInst;
    DWORD dwIndex;
    CONFIGRET ret;

    TRACE("%p %lx %lx %lx\n", pdnDevInst, dnDevInst, ulFlags, hMachine);

    if (pdnDevInst == NULL)
        return CR_INVALID_POINTER;

    if (dnDevInst == 0)
        return CR_INVALID_DEVINST;

    if (ulFlags != 0)
        return CR_INVALID_FLAG;

    *pdnDevInst = -1;

    if (hMachine != NULL)
    {
        BindingHandle = ((PMACHINE_INFO)hMachine)->BindingHandle;
        if (BindingHandle == NULL)
            return CR_FAILURE;

        StringTable = ((PMACHINE_INFO)hMachine)->StringTable;
        if (StringTable == 0)
            return CR_FAILURE;
    }
    else
    {
        if (!PnpGetLocalHandles(&BindingHandle, &StringTable))
            return CR_FAILURE;
    }

    lpDevInst = StringTableStringFromId(StringTable, dnDevInst);
    if (lpDevInst == NULL)
        return CR_INVALID_DEVNODE;

    ret = PNP_GetRelatedDeviceInstance(BindingHandle,
                                       PNP_DEVICE_CHILD,
                                       lpDevInst,
                                       szRelatedDevInst,
                                       MAX_DEVICE_ID_LEN,
                                       0);
    if (ret != CR_SUCCESS)
        return ret;

    TRACE("szRelatedDevInst: %s\n", debugstr_w(szRelatedDevInst));

    dwIndex = StringTableAddString(StringTable, szRelatedDevInst, 1);
    if (dwIndex == -1)
        return CR_FAILURE;

    *pdnDevInst = dwIndex;

    return CR_SUCCESS;
}


/***********************************************************************
 * CM_Get_Class_Key_NameA [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Get_Class_Key_NameA(
    LPGUID ClassGuid, LPSTR pszKeyName, PULONG pulLength, ULONG ulFlags)
{
    TRACE("%p %p %p %lx\n",
          ClassGuid, pszKeyName, pulLength, ulFlags);
    return CM_Get_Class_Key_Name_ExA(ClassGuid, pszKeyName, pulLength,
                                     ulFlags, NULL);
}


/***********************************************************************
 * CM_Get_Class_Key_NameW [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Get_Class_Key_NameW(
    LPGUID ClassGuid, LPWSTR pszKeyName, PULONG pulLength, ULONG ulFlags)
{
    TRACE("%p %p %p %lx\n",
          ClassGuid, pszKeyName, pulLength, ulFlags);
    return CM_Get_Class_Key_Name_ExW(ClassGuid, pszKeyName, pulLength,
                                     ulFlags, NULL);
}


/***********************************************************************
 * CM_Get_Class_Key_Name_ExA [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Get_Class_Key_Name_ExA(
    LPGUID ClassGuid, LPSTR pszKeyName, PULONG pulLength, ULONG ulFlags,
    HMACHINE hMachine)
{
    WCHAR szBuffer[MAX_GUID_STRING_LEN];
    CONFIGRET ret = CR_SUCCESS;
    ULONG ulLength;
    ULONG ulOrigLength;

    TRACE("%p %p %p %lx %lx\n",
          ClassGuid, pszKeyName, pulLength, ulFlags, hMachine);

    if (ClassGuid == NULL || pszKeyName == NULL || pulLength == NULL)
        return CR_INVALID_POINTER;

    ulOrigLength = *pulLength;
    *pulLength = 0;

    ulLength = MAX_GUID_STRING_LEN;
    ret = CM_Get_Class_Key_Name_ExW(ClassGuid, szBuffer, &ulLength,
                                    ulFlags, hMachine);
    if (ret == CR_SUCCESS)
    {
        if (WideCharToMultiByte(CP_ACP,
                                0,
                                szBuffer,
                                ulLength,
                                pszKeyName,
                                ulOrigLength,
                                NULL,
                                NULL) == 0)
            ret = CR_FAILURE;
        else
            *pulLength = lstrlenA(pszKeyName) + 1;
    }

    return CR_SUCCESS;
}


/***********************************************************************
 * CM_Get_Class_Key_Name_ExW [SETUPAPI.@]
 */
CONFIGRET WINAPI CM_Get_Class_Key_Name_ExW(
    LPGUID ClassGuid, LPWSTR pszKeyName, PULONG pulLength, ULONG ulFlags,
    HMACHINE hMachine)
{
    TRACE("%p %p %p %lx %lx\n",
          ClassGuid, pszKeyName, pulLength, ulFlags, hMachine);

    if (ClassGuid == NULL || pszKeyName == NULL || pulLength == NULL)
        return CR_INVALID_POINTER;

    if (ulFlags != 0)
        return CR_INVALID_FLAG;

    if (*pulLength < MAX_GUID_STRING_LEN)
    {
        *pulLength = 0;
        return CR_BUFFER_SMALL;
    }
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cfgmgr.c - 源码说明

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