2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2007 The OpenLDAP Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
11 * A copy of this license is available in the file LICENSE in the
12 * top-level directory of the distribution or, alternatively, at
13 * <http://www.OpenLDAP.org/license.html>.
15 /* This notice applies to changes, created by or for Novell, Inc.,
16 * to preexisting works for which notices appear elsewhere in this file.
18 * Copyright (C) 1999, 2000 Novell, Inc. All Rights Reserved.
20 * THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND TREATIES.
21 * USE, MODIFICATION, AND REDISTRIBUTION OF THIS WORK IS SUBJECT TO VERSION
22 * 2.0.1 OF THE OPENLDAP PUBLIC LICENSE, A COPY OF WHICH IS AVAILABLE AT
23 * HTTP://WWW.OPENLDAP.ORG/LICENSE.HTML OR IN THE FILE "LICENSE" IN THE
24 * TOP-LEVEL DIRECTORY OF THE DISTRIBUTION. ANY USE OR EXPLOITATION OF THIS
25 * WORK OTHER THAN AS AUTHORIZED IN VERSION 2.0.1 OF THE OPENLDAP PUBLIC
26 * LICENSE, OR OTHER PRIOR WRITTEN CONSENT FROM NOVELL, COULD SUBJECT THE
27 * PERPETRATOR TO CRIMINAL AND CIVIL LIABILITY.
29 * Note: A verbatim copy of version 2.0.1 of the OpenLDAP Public License
30 * can be found in the file "build/LICENSE-2.0.1" in this distribution
31 * of OpenLDAP Software.
36 #include <ac/stdlib.h>
39 #include <ac/string.h>
43 /* LDAPv3 Controls (RFC 4511)
45 * Controls ::= SEQUENCE OF control Control
47 * Control ::= SEQUENCE {
48 * controlType LDAPOID,
49 * criticality BOOLEAN DEFAULT FALSE,
50 * controlValue OCTET STRING OPTIONAL
55 * ldap_int_put_controls
59 ldap_int_put_controls(
61 LDAPControl *const *ctrls,
64 LDAPControl *const *c;
67 assert( LDAP_VALID( ld ) );
68 assert( ber != NULL );
71 /* use default server controls */
72 ctrls = ld->ld_sctrls;
75 if( ctrls == NULL || *ctrls == NULL ) {
79 if ( ld->ld_version < LDAP_VERSION3 ) {
80 /* LDAPv2 doesn't support controls,
81 * error if any control is critical
83 for( c = ctrls ; *c != NULL; c++ ) {
84 if( (*c)->ldctl_iscritical ) {
85 ld->ld_errno = LDAP_NOT_SUPPORTED;
93 /* Controls are encoded as a sequence of sequences */
94 if( ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS ) == -1 ) {
95 ld->ld_errno = LDAP_ENCODING_ERROR;
99 for( c = ctrls ; *c != NULL; c++ ) {
100 if ( ber_printf( ber, "{s" /*}*/,
101 (*c)->ldctl_oid ) == -1 )
103 ld->ld_errno = LDAP_ENCODING_ERROR;
107 if( (*c)->ldctl_iscritical /* only if true */
108 && ( ber_printf( ber, "b",
109 (ber_int_t) (*c)->ldctl_iscritical ) == -1 ) )
111 ld->ld_errno = LDAP_ENCODING_ERROR;
115 if( (*c)->ldctl_value.bv_val != NULL /* only if we have a value */
116 && ( ber_printf( ber, "O",
117 &((*c)->ldctl_value) ) == -1 ) )
119 ld->ld_errno = LDAP_ENCODING_ERROR;
124 if( ber_printf( ber, /*{*/"N}" ) == -1 ) {
125 ld->ld_errno = LDAP_ENCODING_ERROR;
131 if( ber_printf( ber, /*{*/ "}" ) == -1 ) {
132 ld->ld_errno = LDAP_ENCODING_ERROR;
139 int ldap_pvt_get_controls(
141 LDAPControl ***ctrls )
148 assert( ber != NULL );
150 if( ctrls == NULL ) {
155 len = ber_pvt_ber_remaining( ber );
162 if(( tag = ber_peek_tag( ber, &len )) != LDAP_TAG_CONTROLS ) {
163 if( tag == LBER_ERROR ) {
165 return LDAP_DECODING_ERROR;
168 /* ignore unexpected input */
172 /* set through each element */
174 *ctrls = LDAP_MALLOC( 1 * sizeof(LDAPControl *) );
176 if( *ctrls == NULL ) {
177 return LDAP_NO_MEMORY;
180 *ctrls[nctrls] = NULL;
182 for( tag = ber_first_element( ber, &len, &opaque );
184 tag = ber_next_element( ber, &len, opaque ) )
187 LDAPControl **tctrls;
189 tctrl = LDAP_CALLOC( 1, sizeof(LDAPControl) );
191 /* allocate pointer space for current controls (nctrls)
192 * + this control + extra NULL
194 tctrls = (tctrl == NULL) ? NULL :
195 LDAP_REALLOC(*ctrls, (nctrls+2) * sizeof(LDAPControl *));
197 if( tctrls == NULL ) {
198 /* one of the above allocation failed */
200 if( tctrl != NULL ) {
204 ldap_controls_free(*ctrls);
207 return LDAP_NO_MEMORY;
211 tctrls[nctrls++] = tctrl;
212 tctrls[nctrls] = NULL;
214 tag = ber_scanf( ber, "{a" /*}*/, &tctrl->ldctl_oid );
216 if( tag == LBER_ERROR ) {
218 ldap_controls_free( tctrls );
219 return LDAP_DECODING_ERROR;
222 tag = ber_peek_tag( ber, &len );
224 if( tag == LBER_BOOLEAN ) {
226 tag = ber_scanf( ber, "b", &crit );
227 tctrl->ldctl_iscritical = crit ? (char) 0 : (char) ~0;
228 tag = ber_peek_tag( ber, &len );
231 if( tag == LBER_OCTETSTRING ) {
232 tag = ber_scanf( ber, "o", &tctrl->ldctl_value );
234 BER_BVZERO( &tctrl->ldctl_value );
247 ldap_control_free( LDAPControl *c )
249 LDAP_MEMORY_DEBUG_ASSERT( c != NULL );
252 if( c->ldctl_oid != NULL) {
253 LDAP_FREE( c->ldctl_oid );
256 if( c->ldctl_value.bv_val != NULL ) {
257 LDAP_FREE( c->ldctl_value.bv_val );
265 * Free an array of LDAPControl's
268 ldap_controls_free( LDAPControl **controls )
270 LDAP_MEMORY_DEBUG_ASSERT( controls != NULL );
272 if ( controls != NULL ) {
275 for( i=0; controls[i] != NULL; i++) {
276 ldap_control_free( controls[i] );
279 LDAP_FREE( controls );
284 * Duplicate an array of LDAPControl
287 ldap_controls_dup( LDAPControl *const *controls )
292 if ( controls == NULL ) {
296 /* count the controls */
297 for(i=0; controls[i] != NULL; i++) /* empty */ ;
300 /* no controls to duplicate */
304 new = (LDAPControl **) LDAP_MALLOC( (i+1) * sizeof(LDAPControl *) );
307 /* memory allocation failure */
311 /* duplicate the controls */
312 for(i=0; controls[i] != NULL; i++) {
313 new[i] = ldap_control_dup( controls[i] );
315 if( new[i] == NULL ) {
316 ldap_controls_free( new );
327 * Duplicate a LDAPControl
330 ldap_control_dup( const LDAPControl *c )
338 new = (LDAPControl *) LDAP_MALLOC( sizeof(LDAPControl) );
344 if( c->ldctl_oid != NULL ) {
345 new->ldctl_oid = LDAP_STRDUP( c->ldctl_oid );
347 if(new->ldctl_oid == NULL) {
353 /* FIXME: how can a control have null OID? */
354 new->ldctl_oid = NULL;
357 if( c->ldctl_value.bv_val != NULL ) {
358 new->ldctl_value.bv_val =
359 (char *) LDAP_MALLOC( c->ldctl_value.bv_len + 1 );
361 if(new->ldctl_value.bv_val == NULL) {
362 if(new->ldctl_oid != NULL) {
363 LDAP_FREE( new->ldctl_oid );
369 new->ldctl_value.bv_len = c->ldctl_value.bv_len;
371 AC_MEMCPY( new->ldctl_value.bv_val, c->ldctl_value.bv_val,
372 c->ldctl_value.bv_len );
374 new->ldctl_value.bv_val[new->ldctl_value.bv_len] = '\0';
377 new->ldctl_value.bv_len = 0;
378 new->ldctl_value.bv_val = NULL;
381 new->ldctl_iscritical = c->ldctl_iscritical;
386 * Find a LDAPControl - deprecated
390 LDAP_CONST char *oid,
391 LDAPControl **ctrls )
393 if( ctrls == NULL || *ctrls == NULL ) {
397 for( ; *ctrls != NULL; ctrls++ ) {
398 if( strcmp( (*ctrls)->ldctl_oid, oid ) == 0 ) {
411 LDAP_CONST char *oid,
413 LDAPControl ***nextctrlp )
415 if ( oid == NULL || ctrls == NULL || *ctrls == NULL ) {
419 for( ; *ctrls != NULL; ctrls++ ) {
420 if( strcmp( (*ctrls)->ldctl_oid, oid ) == 0 ) {
421 if ( nextctrlp != NULL ) {
422 *nextctrlp = ctrls + 1;
429 if ( nextctrlp != NULL ) {
437 * Create a LDAPControl, optionally from ber - deprecated
441 LDAP_CONST char *requestOID,
444 LDAPControl **ctrlp )
448 assert( requestOID != NULL );
449 assert( ctrlp != NULL );
451 ctrl = (LDAPControl *) LDAP_MALLOC( sizeof(LDAPControl) );
452 if ( ctrl == NULL ) {
453 return LDAP_NO_MEMORY;
456 BER_BVZERO(&ctrl->ldctl_value);
457 if ( ber && ( ber_flatten2( ber, &ctrl->ldctl_value, 1 ) == -1 )) {
459 return LDAP_NO_MEMORY;
462 ctrl->ldctl_oid = LDAP_STRDUP( requestOID );
463 ctrl->ldctl_iscritical = iscritical;
465 if ( requestOID != NULL && ctrl->ldctl_oid == NULL ) {
466 ldap_control_free( ctrl );
467 return LDAP_NO_MEMORY;
475 * Create a LDAPControl, optionally from value
479 LDAP_CONST char *requestOID,
481 struct berval *value,
483 LDAPControl **ctrlp )
487 assert( requestOID != NULL );
488 assert( ctrlp != NULL );
490 ctrl = (LDAPControl *) LDAP_CALLOC( sizeof(LDAPControl), 1 );
491 if ( ctrl == NULL ) {
492 return LDAP_NO_MEMORY;
495 ctrl->ldctl_iscritical = iscritical;
496 if ( requestOID != NULL ) {
497 ctrl->ldctl_oid = LDAP_STRDUP( requestOID );
498 if ( ctrl->ldctl_oid == NULL ) {
499 ldap_control_free( ctrl );
500 return LDAP_NO_MEMORY;
504 if ( value && !BER_BVISNULL( value ) ) {
506 ber_dupbv( &ctrl->ldctl_value, value );
507 if ( BER_BVISNULL( &ctrl->ldctl_value ) ) {
508 ldap_control_free( ctrl );
509 return LDAP_NO_MEMORY;
513 ctrl->ldctl_value = *value;
523 * check for critical client controls and bitch if present
524 * if we ever support critical controls, we'll have to
525 * find a means for maintaining per API call control
528 int ldap_int_client_controls( LDAP *ld, LDAPControl **ctrls )
530 LDAPControl *const *c;
532 assert( ld != NULL );
533 assert( LDAP_VALID( ld ) );
535 if( ctrls == NULL ) {
536 /* use default server controls */
537 ctrls = ld->ld_cctrls;
540 if( ctrls == NULL || *ctrls == NULL ) {
544 for( c = ctrls ; *c != NULL; c++ ) {
545 if( (*c)->ldctl_iscritical ) {
546 ld->ld_errno = LDAP_NOT_SUPPORTED;