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LPTSTR FileName = "C:\\Temp\\MyDir\\SomeFile.txt";
LPTSTR TrusteeName = "Everyone";
DWORD AccessMask = GENERIC_ALL;
DWORD InheritFlag = CONTAINER_INHERIT_ACE;
ACCESS_MODE option = GRANT_ACCESS;
EXPLICIT_ACCESS explicitaccess;
PACL ExistingDacl;
PACL NewAcl = NULL;
PSECURITY_DESCRIPTOR psd = NULL;
DWORD dwError;
dwError = GetNamedSecurityInfo(
FileName,
SE_FILE_OBJECT,
DACL_SECURITY_INFORMATION,
NULL,
NULL,
&ExistingDacl,
NULL,
&psd
);
BuildExplicitAccessWithName(
&explicitaccess,
TrusteeName,
AccessMask,
option,
InheritFlag
);
//
// add specified access to the object
//
dwError = SetEntriesInAcl(
1,
&explicitaccess,
ExistingDacl,
&NewAcl
);
//
// apply new security to file
//
dwError = SetNamedSecurityInfo(
FileName,
SE_FILE_OBJECT, // object type
DACL_SECURITY_INFORMATION,
NULL,
NULL,
NewAcl,
NULL
); |
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