AddAccessAllowedAce

The AddAccessAllowedAce function adds an access-allowed ACE to an ACL. The access is granted to a specified SID.

An ACE is an access-control entry. An ACL is an access-control list. A SID is a security identifier.

BOOL AddAccessAllowedAce(

PACL pAcl,	// pointer to access-control list
DWORD dwAceRevision,	// ACL revision level
DWORD AccessMask,	// access mask
PSID pSid	// pointer to security identifier
);

Parameters

pAcl

Pointer to an ACL structure. This function adds an access-allowed ACE to this ACL. The ACE is in the form of an ACCESS_ALLOWED_ACE structure.

dwAceRevision

Specifies the revision level of the ACL being modified. Currently, this value must be ACL_REVISION.

AccessMask

Specifies the mask of access rights to be granted to the specified SID.

pSid

Pointer to the SID structure representing a process being granted access.

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.

Remarks

The addition of an access-allowed ACE to an ACL is the most common form of ACL modification.

The ACE_HEADER structure placed in the ACE by the AddAccessAllowedAce function specifies a type and size, but provides no inheritance and no ACE flags.

See Also

ACCESS_ALLOWED_ACE, ACE_HEADER, ACL, AddAccessDeniedAce, AddAce, AddAuditAccessAce, DeleteAce, GetAce

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