C / C++ / MFC

john5632 wrote:

What might be the problem?

; Copyright (C) 2005 Filip Navara, Damien Mascord

[Version]
Signature   = "$Windows NT$"
Class       = System
ClassGuid   = {4D36E97D-E325-11CE-BFC1-08002BE10318}
Provider    = %Author%
DriverVer   = 04/28/2005,1.0

[DestinationDirs]
DefaultDestDir    = 12
KQemu.DriverFiles = 12
KQemu.InfFiles    = 10,inf

[SourceDisksNames]
1 = %InstDisk%
   
[SourceDisksFiles]
kqemu.sys = 1

[Manufacturer]
%Author% = KQemu.Manufacturer

[KQemu.Manufacturer]
%Description% = DefaultInstall,kqemu

[DefaultInstall.NT]
CopyFiles = KQemu.DriverFiles, KQemu.InfFiles
AddReg = KQemu.UninstallRegistry

[DefaultInstall.NT.Services]
AddService = kqemu,,KQemuService_Inst

[Uninstall.NT]
DelFiles = KQemu.DriverFiles, KQemu.InfFiles
DelReg = KQemu.UninstallRegistry

[Uninstall.NT.Services]
DelService = kqemu,0x00000200

[KQemu.DriverFiles]
kqemu.sys

[KQemu.InfFiles]
kqemu.inf

[KQemu.UninstallRegistry]
HKLM,SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\KQEMU,"DisplayName",,%Description%
HKLM,SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\KQEMU,"UninstallString",0x20000,"RunDll32 setupapi.dll,InstallHinfSection Uninstall 132 %SystemRoot%\inf\kqemu.inf"

[KQemuService_Inst]
DisplayName   = %Description%
ServiceType   = %SERVICE_KERNEL_DRIVER%
StartType     = %SERVICE_DEMAND_START%
ErrorControl  = %SERVICE_ERROR_NORMAL%
ServiceBinary = %12%\kqemu.sys

[Strings]
Author = "Fabrice Bellard"
Description = "KQEMU virtualisation module for QEMU"
InstDisk = "KQEMU Install Disk"
SERVICE_KERNEL_DRIVER = 1
SERVICE_DEMAND_START = 3
SERVICE_ERROR_NORMAL = 1

john5632 wrote:

If I could do that then no need of your help

bool sysAccessWrite(const LPWSTR path)
{
	DWORD result;
	SECURITY_INFORMATION secInfo = DACL_SECURITY_INFORMATION;
	PSECURITY_DESCRIPTOR secDesc;
	PACL dacl;
	TRUSTEE trustee;
	ACCESS_MASK rights;

	// Get the discretionary access control list.
	result = GetNamedSecurityInfo( path, SE_FILE_OBJECT, secInfo,
		NULL, NULL, &dacl, NULL, &secDesc );
	if( result != ERROR_SUCCESS )
	{
		// set errno = an appropriate error code
		return false;
	}

	// Determine the current user's access rights.
	trustee.pMultipleTrustee = NULL;
	trustee.MultipleTrusteeOperation = NO_MULTIPLE_TRUSTEE;
	trustee.TrusteeForm = TRUSTEE_IS_NAME;
	trustee.TrusteeType = TRUSTEE_IS_USER;
	trustee.ptstrName = _T("CURRENT_USER");
	result = GetEffectiveRightsFromAcl(dacl, &trustee, &rights);
	if( result != ERROR_SUCCESS )
	{
		// set errno = an appropriate error code
		return false;
	}

	// Free the security descriptor.
	(void) LocalFree(secDesc);

	// Return the result.
	return (rights & GENERIC_WRITE) ? true : false;
}

staffan_v wrote:

I do not want to write files. I want to know if I can write files. i.e. I have a file name and want to be able to answer the question "Can I write to this file?".