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LDAPControl structure

The LDAPControl structure represents both client-side and server controls.

Syntax


typedef struct ldapcontrol {
  PWCHAR        ldctl_oid;
  struct berval  ldctl_value;
  BOOLEAN       ldctl_iscritical;
} LDAPControl, *PLDAPControl;

Members

ldctl_oid

Pointer to a wide, null-terminated string that indicates control type, such as "1.2.840.113556.1.4.805".

ldctl_value

The data associated with the control, if any. If no data is associated with the control, set this member to NULL.

ldctl_iscritical

Indicates whether the control is critical, called the Criticality field.

Remarks

Effective with LDAP 3, you can extend LDAP operations through the use of controls. Server controls can be sent to the server or returned to the client with any LDAP message. Client controls extend the behavior of the LDAP API on the client-side only and are never sent to the server. A supported control is stored as an object identifier (OID) in the Directory Service root.

The ldctl_iscritical member enables an extended operation to succeed when the server or client does not support the control. If the value of this field is zero, the server and/or client ignores the control if it is not supported and carries out the operation. If the value is nonzero the operation is carried out only if the control is recognized by the server and/or client.

For more information, and a list of the supported LDAP extended controls and their descriptions, see Extended Controls.

Requirements

Minimum supported client

Windows Vista

Minimum supported server

Windows Server 2003

Header

Winldap.h

Unicode and ANSI names

LDAPControlW (Unicode) and LDAPControlA (ANSI)

See also

Data Structures
LDAPMessage
Using Controls

 

 

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