+/* $OpenLDAP$ */
/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
-/*
- * LDAP controls
+
+/* LDAPv3 Controls (RFC2251)
+ *
+ * Controls ::= SEQUENCE OF Control
+ *
+ * Control ::= SEQUENCE {
+ * controlType LDAPOID,
+ * criticality BOOLEAN DEFAULT FALSE,
+ * controlValue OCTET STRING OPTIONAL
+ * }
*/
#include "portable.h"
+#include <ac/stdlib.h>
+
#include <ac/time.h>
#include <ac/string.h>
#include "ldap-int.h"
+
+/*
+ * ldap_int_put_controls
+ */
+
+int
+ldap_int_put_controls(
+ LDAP *ld,
+ LDAPControl *const *ctrls,
+ BerElement *ber )
+{
+ LDAPControl *const *c;
+
+ assert( ld != NULL );
+ assert( ber != NULL );
+
+ if( ctrls == NULL ) {
+ /* use default server controls */
+ ctrls = ld->ld_sctrls;
+ }
+
+ if( ctrls == NULL || *ctrls == NULL ) {
+ return LDAP_SUCCESS;
+ }
+
+ if ( ld->ld_version < LDAP_VERSION3 ) {
+ /* LDAPv2 doesn't support controls,
+ * error if any control is critical
+ */
+ for( c = ctrls ; *c != NULL; c++ ) {
+ if( (*c)->ldctl_iscritical ) {
+ ld->ld_errno = LDAP_NOT_SUPPORTED;
+ return ld->ld_errno;
+ }
+ }
+
+ return LDAP_SUCCESS;
+ }
+
+ /* Controls are encoded as a sequence of sequences */
+ if( ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS ) == -1 ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ return ld->ld_errno;
+ }
+
+ for( c = ctrls ; *c != NULL; c++ ) {
+ if ( ber_printf( ber, "{s" /*}*/,
+ (*c)->ldctl_oid ) == -1 )
+ {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ return ld->ld_errno;
+ }
+
+ if( (*c)->ldctl_iscritical /* only if true */
+ && ( ber_printf( ber, "b",
+ (ber_int_t) (*c)->ldctl_iscritical ) == -1 ) )
+ {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ return ld->ld_errno;
+ }
+
+ if( (*c)->ldctl_value.bv_val != NULL /* only if we have a value */
+ && ( ber_printf( ber, "O",
+ &((*c)->ldctl_value) ) == -1 ) )
+ {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ return ld->ld_errno;
+ }
+
+
+ if( ber_printf( ber, /*{*/"N}" ) == -1 ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ return ld->ld_errno;
+ }
+ }
+
+
+ if( ber_printf( ber, /*{*/ "}" ) == -1 ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ return ld->ld_errno;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+int ldap_int_get_controls(
+ BerElement *ber,
+ LDAPControl ***ctrls )
+{
+ int nctrls;
+ ber_tag_t tag;
+ ber_len_t len;
+ char *opaque;
+
+ assert( ber != NULL );
+
+ if( ctrls == NULL ) {
+ return LDAP_SUCCESS;
+ }
+ *ctrls = NULL;
+
+ len = ber_pvt_ber_remaining( ber );
+
+ if( len == 0) {
+ /* no controls */
+ return LDAP_SUCCESS;
+ }
+
+ if(( tag = ber_peek_tag( ber, &len )) != LDAP_TAG_CONTROLS ) {
+ if( tag == LBER_ERROR ) {
+ /* decoding error */
+ return LDAP_DECODING_ERROR;
+ }
+
+ /* ignore unexpected input */
+ return LDAP_SUCCESS;
+ }
+
+ /* set through each element */
+ nctrls = 0;
+ *ctrls = LDAP_MALLOC( 1 * sizeof(LDAPControl *) );
+
+ if( *ctrls == NULL ) {
+ return LDAP_NO_MEMORY;
+ }
+
+ *ctrls[nctrls] = NULL;
+
+ for( tag = ber_first_element( ber, &len, &opaque );
+ tag != LBER_ERROR;
+ tag = ber_next_element( ber, &len, opaque ) )
+ {
+ LDAPControl *tctrl;
+ LDAPControl **tctrls;
+
+ tctrl = LDAP_CALLOC( 1, sizeof(LDAPControl) );
+
+ /* allocate pointer space for current controls (nctrls)
+ * + this control + extra NULL
+ */
+ tctrls = (tctrl == NULL) ? NULL :
+ LDAP_REALLOC(*ctrls, (nctrls+2) * sizeof(LDAPControl *));
+
+ if( tctrls == NULL ) {
+ /* one of the above allocation failed */
+
+ if( tctrl != NULL ) {
+ LDAP_FREE( tctrl );
+ }
+
+ ldap_controls_free(*ctrls);
+ *ctrls = NULL;
+
+ return LDAP_NO_MEMORY;
+ }
+
+
+ tctrls[nctrls++] = tctrl;
+ tctrls[nctrls] = NULL;
+
+ tag = ber_scanf( ber, "{a" /*}*/, &tctrl->ldctl_oid );
+
+ if( tag != LBER_ERROR ) {
+ tag = ber_peek_tag( ber, &len );
+ }
+
+ if( tag == LBER_BOOLEAN ) {
+ ber_int_t crit;
+ tag = ber_scanf( ber, "b", &crit );
+ tctrl->ldctl_iscritical = crit ? (char) 0 : (char) ~0;
+ }
+
+ if( tag != LBER_ERROR ) {
+ tag = ber_peek_tag( ber, &len );
+ }
+
+ if( tag == LBER_OCTETSTRING ) {
+ tag = ber_scanf( ber, "o", &tctrl->ldctl_value );
+
+ } else {
+ tctrl->ldctl_value.bv_val = NULL;
+ }
+
+ if( tag == LBER_ERROR ) {
+ *ctrls = NULL;
+ ldap_controls_free( tctrls );
+ return LDAP_DECODING_ERROR;
+ }
+
+ *ctrls = tctrls;
+ }
+
+ return LDAP_SUCCESS;
+}
+
/*
* Free a LDAPControl
*/
void
ldap_control_free( LDAPControl *c )
{
+#ifdef LDAP_MEMORY_DEBUG
+ assert( c != NULL );
+#endif
+
if ( c != NULL ) {
if( c->ldctl_oid != NULL) {
- free( c->ldctl_oid );
+ LDAP_FREE( c->ldctl_oid );
}
if( c->ldctl_value.bv_val != NULL ) {
- free( c->ldctl_value.bv_val );
+ LDAP_FREE( c->ldctl_value.bv_val );
}
- free( c );
+ LDAP_FREE( c );
}
}
void
ldap_controls_free( LDAPControl **controls )
{
+#ifdef LDAP_MEMORY_DEBUG
+ assert( controls != NULL );
+#endif
+
if ( controls != NULL ) {
- LDAPControl *c;
+ int i;
- for(c = *controls; c != NULL; c++) {
- ldap_control_free( c );
+ for( i=0; controls[i] != NULL; i++) {
+ ldap_control_free( controls[i] );
}
- free( controls );
+ LDAP_FREE( controls );
}
}
/*
* Duplicate an array of LDAPControl
*/
-LDAPControl **ldap_controls_dup( LDAPControl **controls )
+LDAPControl **
+ldap_controls_dup( LDAPControl *const *controls )
{
LDAPControl **new;
int i;
return NULL;
}
- new = (LDAPControl **) malloc( i * sizeof(LDAPControl *) );
+ new = (LDAPControl **) LDAP_MALLOC( i * sizeof(LDAPControl *) );
if( new == NULL ) {
/* memory allocation failure */
/*
* Duplicate a LDAPControl
*/
-LDAPControl *ldap_control_dup( LDAPControl *c )
+LDAPControl *
+ldap_control_dup( const LDAPControl *c )
{
LDAPControl *new;
return NULL;
}
- new = (LDAPControl *) malloc( sizeof(LDAPControl) );
+ new = (LDAPControl *) LDAP_MALLOC( sizeof(LDAPControl) );
if( new == NULL ) {
return NULL;
}
if( c->ldctl_oid != NULL ) {
- new->ldctl_oid = ldap_strdup( c->ldctl_oid );
+ new->ldctl_oid = LDAP_STRDUP( c->ldctl_oid );
if(new->ldctl_oid == NULL) {
- free( new );
+ LDAP_FREE( new );
return NULL;
}
new->ldctl_oid = NULL;
}
- if( c->ldctl_value.bv_len > 0 ) {
- new->ldctl_value.bv_val = (char *) malloc( c->ldctl_value.bv_len );
+ if( c->ldctl_value.bv_val != NULL ) {
+ new->ldctl_value.bv_val =
+ (char *) LDAP_MALLOC( c->ldctl_value.bv_len + 1 );
if(new->ldctl_value.bv_val == NULL) {
if(new->ldctl_oid != NULL) {
- free( new->ldctl_oid );
+ LDAP_FREE( new->ldctl_oid );
}
- free( new );
+ LDAP_FREE( new );
return NULL;
}
- SAFEMEMCPY( new->ldctl_value.bv_val, c->ldctl_value.bv_val,
+ new->ldctl_value.bv_len = c->ldctl_value.bv_len;
+
+ AC_MEMCPY( new->ldctl_value.bv_val, c->ldctl_value.bv_val,
c->ldctl_value.bv_len );
- new->ldctl_value.bv_len = c->ldctl_value.bv_len;
+ new->ldctl_value.bv_val[new->ldctl_value.bv_len] = '\0';
} else {
new->ldctl_value.bv_len = 0;
return new;
}
-/* get the controls from the BerElement */
-int ldap_get_ber_controls( BerElement *be, LDAPControl ***cp)
+/*
+ * Copyright 1998-2000 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 ) == LBER_ERROR ) {
+ 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 )
{
- return LDAP_NOT_SUPPORTED;
+ 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;
}
projects / openldap / blobdiff