设置文件夹访问权限

fluckford 2005-10-21 05:42:33

系统管理员权创建的文件夹普通用户没有写权限和创建文件权限，如何用VC实现程序修改该文件夹访问的权限，实现普通用户可以控制该文件夹。生成的程序是由系统管理员来运行的，各位大哥不用担心程序设计时的权限问题。

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calabash_b 2005-11-05

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mark

Qiushen 2005-11-01

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我解决了，在MSDN里找到的
(取自MSDN）

#define _WIN32_WINNT 0x0500

#include <windows.h>
#include <sddl.h>
#include <stdio.h>

BOOL CreateMyDACL(SECURITY_ATTRIBUTES *);

void main()
{
SECURITY_ATTRIBUTES sa;

sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.bInheritHandle = FALSE;

// Call function to set the DACL. The DACL
// is set in the SECURITY_ATTRIBUTES
// lpSecurityDescriptor member.
if (!CreateMyDACL(&sa))
{
// Error encountered; generate message and exit.
printf("Failed CreateMyDACL\n");
exit(1);
}

// Use the updated SECURITY_ATTRIBUTES to specify
// security attributes for securable objects.
// This example uses security attributes during
// creation of a new directory.
if (0 == CreateDirectory(TEXT("C:\\MyFolder"), &sa))
{
// Error encountered; generate message and exit.
printf("Failed CreateDirectory\n");
exit(1);
}

// Free the memory allocated for the SECURITY_DESCRIPTOR.
if (NULL != LocalFree(sa.lpSecurityDescriptor))
{
// Error encountered; generate message and exit.
printf("Failed LocalFree\n");
exit(1);
}
}

BOOL CreateMyDACL(SECURITY_ATTRIBUTES * pSA)
{
TCHAR * szSD = TEXT("D:") // Discretionary ACL
TEXT("(D;OICI;GA;;;BG)") // Deny access to built-in guests
TEXT("(D;OICI;GA;;;AN)") // Deny access to anonymous logon
TEXT("(A;OICI;GRGWGX;;;AU)") // Allow read/write/execute to authenticated users
TEXT("(A;OICI;GA;;;BA)"); // Allow full control to administrators

if (NULL == pSA)
return FALSE;

return ConvertStringSecurityDescriptorToSecurityDescriptor(
szSD,
SDDL_REVISION_1,
&(pSA->lpSecurityDescriptor),
NULL);
}

Qiushen 2005-10-31