我是域管理员,我想在 API(例如 C++)中以编程方式获取我域的某些服务器上的某些共享文件夹的所有权。我做了一些阅读工作,发现域管理员默认在成员机器的本地管理员组中,本地管理员用户无论如何都可以拥有所有权。我只是以这种方式编写了一些代码,但在使用 GetNamedSecurityInfo 获取所有者 sid 时仍然遇到 ERROR_ACCESS_DENIED?问题出在哪里?
有趣的是:当我将 GetNamedSecurityInfo 的第二个参数从 SE_FILE_OBJECT 更改为 SE_LMSHARE 时,它会成功(也设置一个)。但是我没有在文件夹属性的“安全”选项卡中看到所有者更改。我知道“共享”权限与“安全”权限不同。“共享”权限甚至没有所有者。那么当通过 SE_LMSHARE 参数调用 GetNamedSecurityInfo 时,我得到了什么所有者呢?
这是我用于获取文件夹“strFileName”所有权的功能,在服务器“strServerName”上,所有者更改为只是称为“strDomainName”“strUserName”“strPassword”的域管理员帐户,原始所有者保留在“pOriginSID”中”。我在 GetNamedSecurityInfo 调用(也是 Set 之一)中收到错误代码 5。我还写了一个模拟方法“logOnByUserPassword”,它似乎不起作用,我将它粘贴在下面。
处理 ADPermissionSearch::getAccessTokenByCredential(CString strDomainName, CString strUserName, CString strPassword) {
CString strUPNUserName = strUserName + _T("@") + strDomainName;
HANDLE hToken;
BOOL bResult;
//bResult = LogonUser(strUserName, strDomainName, strPassword, LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT,
// &hToken);
if (strDomainName != _T(""))
{
bResult = LogonUser(strUPNUserName, _T(""), strPassword, LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT,
&hToken);
}
else
{
bResult = LogonUser(strUserName, _T("."), strPassword, LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT,
&hToken);
}
if (bResult == FALSE)
{
MyMessageBox_Error(_T("getAccessTokenByCredential Error."), _T("Error"));
return FALSE;
}
else
{
return hToken;
}
}
int ADPermissionSearch::takeOwnership(CString strServerName, CString strFileName, CString strDomainName, CString strUserName, CString strPassword, __out PSID &pOriginSID) {
CString strUNCFileName = _T("\\\\") + strServerName + _T("\\") + strFileName;
_bstr_t bstrUNCFileName = _bstr_t(strUNCFileName);
PSID pSIDAdmin = NULL;
SID_IDENTIFIER_AUTHORITY SIDAuthNT = SECURITY_NT_AUTHORITY;
HANDLE hToken = NULL;
DWORD dwRes;
// Create a SID for the BUILTIN\Administrators group.
if (!AllocateAndInitializeSid(&SIDAuthNT, 2,
SECURITY_BUILTIN_DOMAIN_RID,
DOMAIN_ALIAS_RID_ADMINS,
0, 0, 0, 0, 0, 0,
&pSIDAdmin))
{
if (pSIDAdmin)
FreeSid(pSIDAdmin);
if (hToken)
CloseHandle(hToken);
MyMessageBox_Error(_T("takeOwnership"));
return 0;
}
// If the preceding call failed because access was denied,
// enable the SE_TAKE_OWNERSHIP_NAME privilege, create a SID for
// the Administrators group, take ownership of the object, and
// disable the privilege. Then try again to set the object's DACL.
// Open a handle to the access token for the calling process.
/*
if (!OpenProcessToken(GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES,
&hToken))
{
if (pSIDAdmin)
FreeSid(pSIDAdmin);
if (hToken)
CloseHandle(hToken);
MyMessageBox_Error(_T("takeOwnership"));
return 0;
}
*/
if ((hToken = getAccessTokenByCredential(strDomainName, strUserName, strPassword)) == NULL)
{
if (pSIDAdmin)
FreeSid(pSIDAdmin);
if (hToken)
CloseHandle(hToken);
MyMessageBox_Error(_T("takeOwnership"));
return 0;
}
// Enable the SE_TAKE_OWNERSHIP_NAME privilege.
if (!setPrivilege(hToken, SE_TAKE_OWNERSHIP_NAME, TRUE))
{
if (pSIDAdmin)
FreeSid(pSIDAdmin);
if (hToken)
CloseHandle(hToken);
MyMessageBox_Error(_T("takeOwnership"));
return 0;
}
// Get the original owner in the object's security descriptor.
dwRes = GetNamedSecurityInfo(
bstrUNCFileName, // name of the object
SE_FILE_OBJECT, // type of object
OWNER_SECURITY_INFORMATION, // change only the object's owner
&pOriginSID, // SID of Administrator group
NULL,
NULL,
NULL,
NULL);
if (dwRes != ERROR_SUCCESS)
{
if (pSIDAdmin)
FreeSid(pSIDAdmin);
if (hToken)
CloseHandle(hToken);
MyMessageBox_Error(_T("takeOwnership"));
return 0;
}
// Set the owner in the object's security descriptor.
dwRes = SetNamedSecurityInfo(
bstrUNCFileName, // name of the object
SE_FILE_OBJECT, // type of object
OWNER_SECURITY_INFORMATION, // change only the object's owner
pSIDAdmin, // SID of Administrator group
NULL,
NULL,
NULL);
if (dwRes != ERROR_SUCCESS)
{
if (pSIDAdmin)
FreeSid(pSIDAdmin);
if (hToken)
CloseHandle(hToken);
MyMessageBox_Error(_T("takeOwnership"));
return 0;
}
// Disable the SE_TAKE_OWNERSHIP_NAME privilege.
if (!setPrivilege(hToken, SE_TAKE_OWNERSHIP_NAME, FALSE))
{
if (pSIDAdmin)
FreeSid(pSIDAdmin);
if (hToken)
CloseHandle(hToken);
MyMessageBox_Error(_T("takeOwnership"));
return 0;
}
return 1;
}
BOOL ADDirectorySearch::logOnByUserPassword(CString strDomainName, CString strUserName, CString strPassword) {
CString strUPNUserName = strUserName + _T("@") + strDomainName;
HANDLE hToken;
BOOL bResult;
//bResult = LogonUser(strUserName, strDomainName, strPassword, LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT,
// &hToken);
if (strDomainName != _T(""))
{
bResult = LogonUser(strUPNUserName, _T(""), strPassword, LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT,
&hToken);
}
else
{
bResult = LogonUser(strUserName, _T("."), strPassword, LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT,
&hToken);
}
if (bResult == FALSE)
{
MyMessageBox_Error(_T("logOnByUserPassword Error."), _T("Error"));
return FALSE;
}
else
{
bResult = ImpersonateLoggedOnUser(hToken);
if (bResult == FALSE)
{
MyMessageBox_Error(_T("logOnByUserPassword Error."), _T("Error"));
return FALSE;
}
else
{
return TRUE;
}
}
}