+
+
+LDAPControl *
+ldap_find_control(
+ LDAP_CONST char *oid,
+ LDAPControl **ctrls )
+{
+ if( ctrls == NULL || *ctrls == NULL ) {
+ return NULL;
+ }
+
+ for( ; *ctrls != NULL; ctrls++ ) {
+ if( strcmp( (*ctrls)->ldctl_oid, oid ) == 0 ) {
+ return *ctrls;
+ }
+ }
+
+ return NULL;
+}
+
+/*
+ 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;
+
+ assert( requestOID != NULL );
+ assert( ber != NULL );
+ assert( ctrlp != NULL );
+
+ ctrl = (LDAPControl *) LDAP_MALLOC( sizeof(LDAPControl) );
+ if ( ctrl == NULL ) {
+ return LDAP_NO_MEMORY;
+ }
+
+ if ( ber_flatten2( ber, &ctrl->ldctl_value, 1 ) == -1 ) {
+ LDAP_FREE( ctrl );
+ return LDAP_NO_MEMORY;
+ }
+
+ 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 );
+ assert( LDAP_VALID(ld) );
+
+ 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;
+}