GetNamedSecurityInfo

[New - Windows NT]

The GetNamedSecurityInfo function retrieves a copy of the security descriptor for an object specified by name.

DWORD GetNamedSecurityInfo(

LPTSTR pObjectName,	// name of the object
SE_OBJECT_TYPE ObjectType,	// type of object
SECURITY_INFORMATION SecurityInfo,	// type of security information to retrieve
PSID *ppsidOwner,	// receives a pointer to the owner SID
PSID *ppsidGroup,	// receives a pointer to the primary group SID
PACL *ppDacl,	// receives a pointer to the DACL
PACL *ppSacl,	// receives a pointer to the SACL
PSECURITY_DESCRIPTOR *ppSecurityDescriptor	// receives a pointer to the security descriptor
);

Parameters

pObjectName

Pointer to a null-terminated string that specifies the name of the object from which to retrieve security information. For descriptions of the string formats for the different object types, see SE_OBJECT_TYPE.

ObjectType

Specifies a value from the SE_OBJECT_TYPE enumeration that indicates the type of object named by the pObjectName parameter.

SecurityInfo

A set of SECURITY_INFORMATION bit flags that indicate the type of security information to retrieve. This parameter can be a combination of the following values.

Value	Meaning
OWNER_SECURITY_INFORMATION	If this flag is set, the ppsidOwner parameter receives the security identifier (SID) of the object's owner.
GROUP_SECURITY_INFORMATION	If this flag is set, the ppsidGroup parameter receives the SID of the object's primary group.
DACL_SECURITY_INFORMATION	If this flag is set, the ppDacl parameter receives the object's discretionary access-control list (DACL).
SACL_SECURITY_INFORMATION	If this flag is set, the ppSacl parameter receives the object's system access-control list (SACL)..

ppsidOwner

Pointer to a variable that receives a pointer to the owner SID in the security descriptor returned in ppSecurityDescriptor. The returned pointer is valid only if you set the OWNER_SECURITY_INFORMATION flag. This parameter can be NULL if you do not need the owner SID.

ppsidGroup

Pointer to a variable that receives a pointer to the primary group SID in the returned security descriptor. The returned pointer is valid only if you set the GROUP_SECURITY_INFORMATION flag. This parameter can be NULL if you do not need the group SID.

ppDacl

Pointer to a variable that receives a pointer to the DACL in the returned security descriptor. The returned pointer is valid only if you set the DACL_SECURITY_INFORMATION flag. This parameter can be NULL if you do not need the DACL.

ppSacl

Pointer to a variable that receives a pointer to the SACL in the returned security descriptor. The returned pointer is valid only if you set the SACL_SECURITY_INFORMATION flag. This parameter can be NULL if you do not need the SACL.

ppSecurityDescriptor

Pointer to a variable that receives a pointer to the security descriptor of the object. You must call the LocalFree function to free the returned buffer.

Return Values

If the function succeeds, the return value is ERROR_SUCCESS.

If the function fails, the return value is a nonzero error code defined in WINERROR.H.

Remarks

If the ppsidOwner, ppsidGroup, ppDacl, ppSacl parameters are non-NULL, and the SecurityInfo parameter specifies that they be retrieved from the object, those parameters will point to the corresponding parameters in the security descriptor returned in ppSecurityDescriptor.

To read the object's owner, group and DACL the caller must have READ_CONTROL access or be the owner of the object. The caller must have the SE_SECURITY_NAME privilege enabled to read the SACL.

See Also

ACL, GetSecurityInfo, LocalFree, SE_OBJECT_TYPE, SECURITY_DESCRIPTOR, SECURITY_INFORMATION, SetNamedSecurityInfo, SetSecurityInfo, SID

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