1 /* bind.c - decode an ldap bind operation and pass it to a backend db */
4 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
9 * Copyright (c) 1995 Regents of the University of Michigan.
10 * All rights reserved.
12 * Redistribution and use in source and binary forms are permitted
13 * provided that this notice is preserved and that due credit is given
14 * to the University of Michigan at Ann Arbor. The name of the University
15 * may not be used to endorse or promote products derived from this
16 * software without specific prior written permission. This software
17 * is provided ``as is'' without express or implied warranty.
24 #include <ac/string.h>
25 #include <ac/socket.h>
40 BerElement *ber = op->o_ber;
43 struct berval mech = { 0, NULL };
44 struct berval dn = { 0, NULL };
49 Slapi_PBlock *pb = op->o_pb;
53 LDAP_LOG( OPERATION, ENTRY, "do_bind: conn %d\n", op->o_connid, 0, 0 );
55 Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
59 * Force to connection to "anonymous" until bind succeeds.
61 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
62 if ( op->o_conn->c_sasl_bind_in_progress ) be = op->o_conn->c_authz_backend;
64 /* log authorization identity demotion */
65 if ( op->o_conn->c_dn.bv_len ) {
66 Statslog( LDAP_DEBUG_STATS,
67 "conn=%lu op=%lu BIND anonymous mech=implicit ssf=0",
68 op->o_connid, op->o_opid, 0, 0, 0 );
71 connection2anonymous( op->o_conn );
72 if ( op->o_conn->c_sasl_bind_in_progress ) op->o_conn->c_authz_backend = be;
73 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
75 if ( op->o_dn.bv_val != NULL ) {
76 free( op->o_dn.bv_val );
77 op->o_dn.bv_val = ch_strdup( "" );
81 if ( op->o_ndn.bv_val != NULL ) {
82 free( op->o_ndn.bv_val );
83 op->o_ndn.bv_val = ch_strdup( "" );
88 * Parse the bind request. It looks like this:
90 * BindRequest ::= SEQUENCE {
91 * version INTEGER, -- version
92 * name DistinguishedName, -- dn
93 * authentication CHOICE {
94 * simple [0] OCTET STRING -- passwd
95 * krbv42ldap [1] OCTET STRING
96 * krbv42dsa [2] OCTET STRING
97 * SASL [3] SaslCredentials
101 * SaslCredentials ::= SEQUENCE {
102 * mechanism LDAPString,
103 * credentials OCTET STRING OPTIONAL
107 tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
109 if ( tag == LBER_ERROR ) {
111 LDAP_LOG( OPERATION, ERR,
112 "do_bind: conn %d ber_scanf failed\n", op->o_connid, 0, 0 );
114 Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
116 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
121 op->o_protocol = version;
123 if( method != LDAP_AUTH_SASL ) {
124 tag = ber_scanf( ber, /*{*/ "m}", &op->orb_cred );
127 tag = ber_scanf( ber, "{m" /*}*/, &mech );
129 if ( tag != LBER_ERROR ) {
131 tag = ber_peek_tag( ber, &len );
133 if ( tag == LDAP_TAG_LDAPCRED ) {
134 tag = ber_scanf( ber, "m", &op->orb_cred );
136 tag = LDAP_TAG_LDAPCRED;
137 op->orb_cred.bv_val = NULL;
138 op->orb_cred.bv_len = 0;
141 if ( tag != LBER_ERROR ) {
142 tag = ber_scanf( ber, /*{{*/ "}}" );
147 if ( tag == LBER_ERROR ) {
148 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR,
150 rs->sr_err = SLAPD_DISCONNECT;
154 if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
156 LDAP_LOG( OPERATION, INFO,
157 "do_bind: conn %d get_ctrls failed\n", op->o_connid, 0, 0 );
159 Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
164 /* We use the tmpmemctx here because it speeds up normalization.
165 * However, we must dup with regular malloc when storing any
166 * resulting DNs in the op or conn structures.
168 rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
169 if ( rs->sr_err != LDAP_SUCCESS ) {
171 LDAP_LOG( OPERATION, INFO,
172 "do_bind: conn %d invalid dn (%s)\n",
173 op->o_connid, dn.bv_val, 0 );
175 Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n",
178 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
182 if( method == LDAP_AUTH_SASL ) {
184 LDAP_LOG( OPERATION, DETAIL1,
185 "do_sasl_bind: conn %d dn (%s) mech %s\n",
186 op->o_connid, op->o_req_dn.bv_val, mech.bv_val );
188 Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
189 op->o_req_dn.bv_val, mech.bv_val, NULL );
194 LDAP_LOG( OPERATION, DETAIL1,
195 "do_bind: version=%ld dn=\"%s\" method=%ld\n",
196 (unsigned long) version, op->o_req_dn.bv_val, (unsigned long)method );
198 Debug( LDAP_DEBUG_TRACE,
199 "do_bind: version=%ld dn=\"%s\" method=%ld\n",
200 (unsigned long) version,
201 op->o_req_dn.bv_val, (unsigned long) method );
205 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu BIND dn=\"%s\" method=%ld\n",
206 op->o_connid, op->o_opid, op->o_req_dn.bv_val, (unsigned long) method, 0 );
208 if ( version < LDAP_VERSION_MIN || version > LDAP_VERSION_MAX ) {
210 LDAP_LOG( OPERATION, INFO,
211 "do_bind: conn %d unknown version = %ld\n",
212 op->o_connid, (unsigned long)version, 0 );
214 Debug( LDAP_DEBUG_ANY, "do_bind: unknown version=%ld\n",
215 (unsigned long) version, 0, 0 );
217 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
218 "requested protocol version not supported" );
221 } else if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
222 version < LDAP_VERSION3 )
224 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
225 "historical protocol version requested, use LDAPv3 instead" );
229 /* we set connection version regardless of whether bind succeeds
232 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
233 op->o_conn->c_protocol = version;
234 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
236 /* check for inappropriate controls */
237 if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
238 send_ldap_error( op, rs,
239 LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
240 "manageDSAit control inappropriate" );
244 /* Set the bindop for the benefit of in-directory SASL lookups */
245 op->o_conn->c_sasl_bindop = op;
247 if ( method == LDAP_AUTH_SASL ) {
248 if ( version < LDAP_VERSION3 ) {
250 LDAP_LOG( OPERATION, INFO,
251 "do_bind: conn %d sasl with LDAPv%ld\n",
252 op->o_connid, (unsigned long)version , 0 );
254 Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
255 (unsigned long) version, 0, 0 );
257 send_ldap_discon( op, rs,
258 LDAP_PROTOCOL_ERROR, "SASL bind requires LDAPv3" );
259 rs->sr_err = SLAPD_DISCONNECT;
263 if( mech.bv_len == 0 ) {
265 LDAP_LOG( OPERATION, INFO,
266 "do_bind: conn %d no SASL mechanism provided\n",
267 op->o_connid, 0, 0 );
269 Debug( LDAP_DEBUG_ANY,
270 "do_bind: no sasl mechanism provided\n",
273 send_ldap_error( op, rs, LDAP_AUTH_METHOD_NOT_SUPPORTED,
274 "no SASL mechanism provided" );
278 /* check restrictions */
279 if( backend_check_restrictions( op, rs, &mech ) != LDAP_SUCCESS ) {
280 send_ldap_result( op, rs );
284 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
285 if ( op->o_conn->c_sasl_bind_in_progress ) {
286 if( !bvmatch( &op->o_conn->c_sasl_bind_mech, &mech ) ) {
287 /* mechanism changed between bind steps */
288 slap_sasl_reset(op->o_conn);
291 ber_dupbv(&op->o_conn->c_sasl_bind_mech, &mech);
293 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
295 rs->sr_err = slap_sasl_bind( op, rs );
297 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
298 if( rs->sr_err == LDAP_SUCCESS ) {
299 ber_dupbv(&op->o_conn->c_dn, &op->orb_edn);
300 if( op->orb_edn.bv_len != 0 ) {
301 /* edn is always normalized already */
302 ber_dupbv( &op->o_conn->c_ndn, &op->o_conn->c_dn );
304 op->o_tmpfree( op->orb_edn.bv_val, op->o_tmpmemctx );
305 op->orb_edn.bv_val = NULL;
306 op->orb_edn.bv_len = 0;
307 op->o_conn->c_authmech = op->o_conn->c_sasl_bind_mech;
308 op->o_conn->c_sasl_bind_mech.bv_val = NULL;
309 op->o_conn->c_sasl_bind_mech.bv_len = 0;
310 op->o_conn->c_sasl_bind_in_progress = 0;
312 op->o_conn->c_sasl_ssf = op->orb_ssf;
313 if( op->orb_ssf > op->o_conn->c_ssf ) {
314 op->o_conn->c_ssf = op->orb_ssf;
317 if( op->o_conn->c_dn.bv_len != 0 ) {
318 ber_len_t max = sockbuf_max_incoming_auth;
319 ber_sockbuf_ctrl( op->o_conn->c_sb,
320 LBER_SB_OPT_SET_MAX_INCOMING, &max );
323 /* log authorization identity */
324 Statslog( LDAP_DEBUG_STATS,
325 "conn=%lu op=%lu BIND dn=\"%s\" mech=%s ssf=%d\n",
326 op->o_connid, op->o_opid,
327 op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
328 op->o_conn->c_authmech.bv_val, op->orb_ssf );
331 LDAP_LOG( OPERATION, DETAIL1,
332 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
333 op->o_conn->c_authmech.bv_val,
334 op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
337 Debug( LDAP_DEBUG_TRACE,
338 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
339 op->o_conn->c_authmech.bv_val,
340 op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
344 } else if ( rs->sr_err == LDAP_SASL_BIND_IN_PROGRESS ) {
345 op->o_conn->c_sasl_bind_in_progress = 1;
348 if ( op->o_conn->c_sasl_bind_mech.bv_val ) {
349 free( op->o_conn->c_sasl_bind_mech.bv_val );
350 op->o_conn->c_sasl_bind_mech.bv_val = NULL;
351 op->o_conn->c_sasl_bind_mech.bv_len = 0;
353 op->o_conn->c_sasl_bind_in_progress = 0;
355 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
360 /* Not SASL, cancel any in-progress bind */
361 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
363 if ( op->o_conn->c_sasl_bind_mech.bv_val != NULL ) {
364 free(op->o_conn->c_sasl_bind_mech.bv_val);
365 op->o_conn->c_sasl_bind_mech.bv_val = NULL;
366 op->o_conn->c_sasl_bind_mech.bv_len = 0;
368 op->o_conn->c_sasl_bind_in_progress = 0;
370 slap_sasl_reset( op->o_conn );
371 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
374 if ( method == LDAP_AUTH_SIMPLE ) {
375 /* accept "anonymous" binds */
376 if ( op->orb_cred.bv_len == 0 || op->o_req_ndn.bv_len == 0 ) {
377 rs->sr_err = LDAP_SUCCESS;
379 if( op->orb_cred.bv_len &&
380 !( global_allows & SLAP_ALLOW_BIND_ANON_CRED ))
382 /* cred is not empty, disallow */
383 rs->sr_err = LDAP_INVALID_CREDENTIALS;
385 } else if ( op->o_req_ndn.bv_len &&
386 !( global_allows & SLAP_ALLOW_BIND_ANON_DN ))
388 /* DN is not empty, disallow */
389 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
390 rs->sr_text = "unauthenticated bind (DN with no password) disallowed";
392 } else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
394 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
395 rs->sr_text = "anonymous bind disallowed";
398 backend_check_restrictions( op, rs, &mech );
402 * we already forced connection to "anonymous",
403 * just need to send success
405 send_ldap_result( op, rs );
407 LDAP_LOG( OPERATION, DETAIL1,
408 "do_bind: conn %d v%d anonymous bind\n",
409 op->o_connid, version , 0 );
411 Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
416 } else if ( global_disallows & SLAP_DISALLOW_BIND_SIMPLE ) {
417 /* disallow simple authentication */
418 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
419 rs->sr_text = "unwilling to perform simple authentication";
421 send_ldap_result( op, rs );
423 LDAP_LOG( OPERATION, INFO,
424 "do_bind: conn %d v%d simple bind(%s) disallowed\n",
425 op->o_connid, version, op->o_req_ndn.bv_val );
427 Debug( LDAP_DEBUG_TRACE,
428 "do_bind: v%d simple bind(%s) disallowed\n",
429 version, op->o_req_ndn.bv_val, 0 );
433 } else if (( global_disallows & SLAP_DISALLOW_BIND_SIMPLE_UNPROTECTED )
434 && ( op->o_ssf <= 1 ))
436 rs->sr_err = LDAP_CONFIDENTIALITY_REQUIRED;
437 rs->sr_text = "unwilling to perform simple authentication "
438 "without confidentiality protection";
440 send_ldap_result( op, rs );
443 LDAP_LOG( OPERATION, INFO, "do_bind: conn %d "
444 "v%d unprotected simple bind(%s) disallowed\n",
445 op->o_connid, version, op->o_req_ndn.bv_val );
447 Debug( LDAP_DEBUG_TRACE,
448 "do_bind: v%d unprotected simple bind(%s) disallowed\n",
449 version, op->o_req_ndn.bv_val, 0 );
454 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
455 } else if ( method == LDAP_AUTH_KRBV41 || method == LDAP_AUTH_KRBV42 ) {
456 if ( global_disallows & SLAP_DISALLOW_BIND_KRBV4 ) {
457 /* disallow simple authentication */
458 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
459 rs->sr_text = "unwilling to perform Kerberos V4 bind";
461 send_ldap_result( op, rs );
463 LDAP_LOG( OPERATION, DETAIL1,
464 "do_bind: conn %d v%d Kerberos V4 bind\n",
465 op->o_connid, version , 0 );
467 Debug( LDAP_DEBUG_TRACE, "do_bind: v%d Kerberos V4 bind\n",
475 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
476 rs->sr_text = "unknown authentication method";
478 send_ldap_result( op, rs );
480 LDAP_LOG( OPERATION, INFO,
481 "do_bind: conn %ld v%d unknown authentication method (%ld)\n",
482 op->o_connid, version, method );
484 Debug( LDAP_DEBUG_TRACE,
485 "do_bind: v%d unknown authentication method (%ld)\n",
486 version, method, 0 );
492 * We could be serving multiple database backends. Select the
493 * appropriate one, or send a referral to our "referral server"
494 * if we don't hold it.
497 if ( (op->o_bd = select_backend( &op->o_req_ndn, 0, 0 )) == NULL ) {
498 if ( default_referral ) {
499 rs->sr_ref = referral_rewrite( default_referral,
500 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
501 if (!rs->sr_ref) rs->sr_ref = default_referral;
503 rs->sr_err = LDAP_REFERRAL;
504 send_ldap_result( op, rs );
506 if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
509 /* noSuchObject is not allowed to be returned by bind */
510 rs->sr_err = LDAP_INVALID_CREDENTIALS;
511 send_ldap_result( op, rs );
517 /* check restrictions */
518 if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
519 send_ldap_result( op, rs );
523 #if defined( LDAP_SLAPI )
524 slapi_x_pblock_set_operation( pb, op );
525 slapi_pblock_set( pb, SLAPI_BIND_TARGET, (void *)dn.bv_val );
526 slapi_pblock_set( pb, SLAPI_BIND_METHOD, (void *)method );
527 slapi_pblock_set( pb, SLAPI_BIND_CREDENTIALS, (void *)&op->orb_cred );
528 slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(0) );
530 rs->sr_err = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_BIND_FN, pb );
531 if ( rs->sr_err < 0 ) {
533 * Binding is a special case for SLAPI plugins. It is
534 * possible for a bind plugin to be successful *and*
535 * abort further processing; this means it has handled
536 * a bind request authoritatively. If we have reached
537 * here, a result has been sent to the client (XXX
538 * need to check with Sun whether SLAPI_BIND_ANONYMOUS
539 * means a result has been sent).
543 if ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&ldapRc ) != 0 )
546 op->orb_edn.bv_val = NULL;
547 op->orb_edn.bv_len = 0;
548 if ( rs->sr_err != SLAPI_BIND_FAIL && ldapRc == LDAP_SUCCESS ) {
549 /* Set the new connection DN. */
550 if ( rs->sr_err != SLAPI_BIND_ANONYMOUS ) {
551 slapi_pblock_get( pb, SLAPI_CONN_DN, (void *)&op->orb_edn.bv_val );
552 if ( op->orb_edn.bv_val ) op->orb_edn.bv_len = strlen( op->orb_edn.bv_val );
554 rs->sr_err = dnPrettyNormal( NULL, &op->orb_edn, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
555 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
556 ber_dupbv(&op->o_conn->c_dn, &op->o_req_dn);
557 ber_dupbv(&op->o_conn->c_ndn, &op->o_req_ndn);
558 op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
559 op->o_req_dn.bv_val = NULL;
560 op->o_req_dn.bv_len = 0;
561 op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
562 op->o_req_ndn.bv_val = NULL;
563 op->o_req_ndn.bv_len = 0;
564 if ( op->o_conn->c_dn.bv_len != 0 ) {
565 ber_len_t max = sockbuf_max_incoming_auth;
566 ber_sockbuf_ctrl( op->o_conn->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
568 /* log authorization identity */
569 Statslog( LDAP_DEBUG_STATS,
570 "conn=%lu op=%lu BIND dn=\"%s\" mech=simple (SLAPI) ssf=0\n",
571 op->o_connid, op->o_opid,
572 op->o_conn->c_dn.bv_val, 0, 0 );
573 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
576 LDAP_LOG( OPERATION, INFO, "do_bind: Bind preoperation plugin returned %d\n",
579 Debug(LDAP_DEBUG_TRACE, "do_bind: Bind preoperation plugin returned %d.\n",
585 #endif /* defined( LDAP_SLAPI ) */
587 if ( op->o_bd->be_bind ) {
588 op->orb_method = method;
589 rs->sr_err = (op->o_bd->be_bind)( op, rs );
591 if ( rs->sr_err == 0 ) {
592 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
594 if( op->o_conn->c_authz_backend == NULL ) {
595 op->o_conn->c_authz_backend = op->o_bd;
598 /* be_bind returns regular/global edn */
599 if(op->orb_edn.bv_len) {
600 op->o_conn->c_dn = op->orb_edn;
602 ber_dupbv(&op->o_conn->c_dn, &op->o_req_dn);
605 ber_dupbv( &op->o_conn->c_ndn, &op->o_req_ndn );
607 if( op->o_conn->c_dn.bv_len != 0 ) {
608 ber_len_t max = sockbuf_max_incoming_auth;
609 ber_sockbuf_ctrl( op->o_conn->c_sb,
610 LBER_SB_OPT_SET_MAX_INCOMING, &max );
613 /* log authorization identity */
614 Statslog( LDAP_DEBUG_STATS,
615 "conn=%lu op=%lu BIND dn=\"%s\" mech=simple ssf=0\n",
616 op->o_connid, op->o_opid,
617 op->o_conn->c_dn.bv_val, 0, 0 );
620 LDAP_LOG( OPERATION, DETAIL1,
621 "do_bind: v%d bind: \"%s\" to \"%s\" \n",
622 version, op->o_conn->c_dn.bv_val, op->o_conn->c_dn.bv_val );
624 Debug( LDAP_DEBUG_TRACE,
625 "do_bind: v%d bind: \"%s\" to \"%s\"\n",
626 version, dn.bv_val, op->o_conn->c_dn.bv_val );
629 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
631 /* send this here to avoid a race condition */
632 send_ldap_result( op, rs );
634 } else if (op->orb_edn.bv_val != NULL) {
635 free( op->orb_edn.bv_val );
639 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
640 "operation not supported within namingContext" );
643 #if defined( LDAP_SLAPI )
644 if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_BIND_FN, pb ) < 0 ) {
646 LDAP_LOG( OPERATION, INFO, "do_bind: Bind postoperation plugins failed\n",
649 Debug(LDAP_DEBUG_TRACE, "do_bind: Bind postoperation plugins failed.\n",
653 #endif /* defined( LDAP_SLAPI ) */
656 op->o_conn->c_sasl_bindop = NULL;
658 if( op->o_req_dn.bv_val != NULL ) {
659 sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
660 op->o_req_dn.bv_val = NULL;
662 if( op->o_req_ndn.bv_val != NULL ) {
663 sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
664 op->o_req_ndn.bv_val = NULL;