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GetNamedSecurityInfo info  Overview  Group

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 objectís owner.

GROUP_SECURITY_INFORMATION

If this flag is set, the ppsidGroup parameter receives the SID of the objectís primary group.

DACL_SECURITY_INFORMATION

If this flag is set, the ppDacl parameter receives the objectís discretionary access-control list (DACL).

SACL_SECURITY_INFORMATION

If this flag is set, the ppSacl parameter receives the objectís 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 owner, group, or DACL from the objectís security descriptor, the objectís DACL must grant READ_CONTROL access to the caller or the caller must be the owner of the object.

To read the system access-control list (SACL) of the object, the SE_SECURITY_NAME privilege must be enabled for the calling process.

See Also

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

See also:


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