+
+/*
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
+/* Adapted for inclusion into OpenLDAP by Kurt D. Zeilenga */
+/*---
+ * This notice applies to changes, created by or for Novell, Inc.,
+ * to preexisting works for which notices appear elsewhere in this file.
+ *
+ * Copyright (C) 1999, 2000 Novell, Inc. All Rights Reserved.
+ *
+ * THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND TREATIES.
+ * USE, MODIFICATION, AND REDISTRIBUTION OF THIS WORK IS SUBJECT TO VERSION
+ * 2.0.1 OF THE OPENLDAP PUBLIC LICENSE, A COPY OF WHICH IS AVAILABLE AT
+ * HTTP://WWW.OPENLDAP.ORG/LICENSE.HTML OR IN THE FILE "LICENSE" IN THE
+ * TOP-LEVEL DIRECTORY OF THE DISTRIBUTION. ANY USE OR EXPLOITATION OF THIS
+ * WORK OTHER THAN AS AUTHORIZED IN VERSION 2.0.1 OF THE OPENLDAP PUBLIC
+ * LICENSE, OR OTHER PRIOR WRITTEN CONSENT FROM NOVELL, COULD SUBJECT THE
+ * PERPETRATOR TO CRIMINAL AND CIVIL LIABILITY.
+ *---
+ * Modification to OpenLDAP source by Novell, Inc.
+ * June 2000 sfs Added control utilities
+ */
+/*---
+ ldap_create_control
+
+ Internal function to create an LDAP control from the encoded BerElement.
+
+ requestOID (IN) The OID to use in creating the control.
+
+ ber (IN) The encoded BerElement to use in creating the control.
+
+ iscritical (IN) 0 - Indicates the control is not critical to the operation.
+ non-zero - The control is critical to the operation.
+
+ ctrlp (OUT) Returns a pointer to the LDAPControl created. This control
+ SHOULD be freed by calling ldap_control_free() when done.
+---*/
+
+int
+ldap_create_control(
+ LDAP_CONST char *requestOID,
+ BerElement *ber,
+ int iscritical,
+ LDAPControl **ctrlp )
+{
+ LDAPControl *ctrl;
+ struct berval *bvalp;
+
+ if ( requestOID == NULL || ctrlp == NULL ) {
+ return LDAP_PARAM_ERROR;
+ }
+
+ ctrl = (LDAPControl *) LDAP_MALLOC( sizeof(LDAPControl) );
+ if ( ctrl == NULL ) {
+ return LDAP_NO_MEMORY;
+ }
+
+ if ( ber_flatten( ber, &bvalp ) == -1 ) {
+ LDAP_FREE( ctrl );
+ return LDAP_NO_MEMORY;
+ }
+
+ ctrl->ldctl_value = *bvalp;
+ ber_memfree( bvalp );
+
+ ctrl->ldctl_oid = LDAP_STRDUP( requestOID );
+ ctrl->ldctl_iscritical = iscritical;
+
+ if ( requestOID != NULL && ctrl->ldctl_oid == NULL ) {
+ ldap_control_free( ctrl );
+ return LDAP_NO_MEMORY;
+ }
+
+ *ctrlp = ctrl;
+ return LDAP_SUCCESS;
+}
+
+/*
+ * check for critical client controls and bitch if present
+ * if we ever support critical controls, we'll have to
+ * find a means for maintaining per API call control
+ * information.
+ */
+int ldap_int_client_controls( LDAP *ld, LDAPControl **ctrls )
+{
+ LDAPControl *const *c;
+
+ assert( ld != NULL );
+
+ if( ctrls == NULL ) {
+ /* use default server controls */
+ ctrls = ld->ld_cctrls;
+ }
+
+ if( ctrls == NULL || *ctrls == NULL ) {
+ return LDAP_SUCCESS;
+ }
+
+ for( c = ctrls ; *c != NULL; c++ ) {
+ if( (*c)->ldctl_iscritical ) {
+ ld->ld_errno = LDAP_NOT_SUPPORTED;
+ return ld->ld_errno;
+ }
+ }
+
+ return LDAP_SUCCESS;
+}