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GetSecurityDescriptorDacl

The GetSecurityDescriptorDacl function retrieves a pointer to the discretionary access-control list (ACL) in a specified security descriptor.

VB4-32,5,6
Declare Function GetSecurityDescriptorDacl Lib "advapi32.dll" (pSecurityDescriptor As Byte, lpbDaclPresent As Long, pDacl As Long, lpbDaclDefaulted As Long) As Long

Operating Systems Supported
Requires Windows NT 3.1 or later; Win9x/ME: Not supported

Library
Advapi32

Parameter Information
pSecurityDescriptor
[in] Pointer to the SECURITY_DESCRIPTOR structure containing the discretionary ACL. The function retrieves a pointer to it.

lpbDaclPresent
[out] Pointer to a value that indicates the presence of a discretionary ACL in the specified security descriptor. If this parameter is TRUE, the security descriptor contains a discretionary ACL, and the remaining output parameters in this function receive valid values. If this parameter is FALSE, the security descriptor does not contain a discretionary ACL, and the remaining output parameters do not receive valid values.

pDacl
[out] Pointer to a pointer to an ACL structure. If a discretionary ACL exists, the function sets the pointer pointed to by pDacl to the address of the security descriptor's discretionary ACL. If a discretionary ACL does not exist, no value is stored.
If the function stores a NULL value in the pointer pointed to by pDacl, the security descriptor has a NULL discretionary ACL. A NULL discretionary ACL implicitly allows all access to an object.

lpbDaclDefaulted
[out] Pointer to a flag set to the value of the SE_DACL_DEFAULTED flag in the SECURITY_DESCRIPTOR_CONTROL structure if a discretionary ACL exists for the security descriptor. If this flag is TRUE, the discretionary ACL was retrieved by a default mechanism; if FALSE, the discretionary ACL was explicitly specified by a user.

Return Values
If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Examples

Related Functions

 

 


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