1 /*	$NetBSD: add.c,v 1.1.1.6 2018/02/06 01:53:15 christos Exp $	*/
2 
3 /* $OpenLDAP$ */
4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5  *
6  * Copyright 1998-2017 The OpenLDAP Foundation.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted only as authorized by the OpenLDAP
11  * Public License.
12  *
13  * A copy of this license is available in the file LICENSE in the
14  * top-level directory of the distribution or, alternatively, at
15  * <http://www.OpenLDAP.org/license.html>.
16  */
17 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
18  * All rights reserved.
19  *
20  * Redistribution and use in source and binary forms are permitted
21  * provided that this notice is preserved and that due credit is given
22  * to the University of Michigan at Ann Arbor. The name of the University
23  * may not be used to endorse or promote products derived from this
24  * software without specific prior written permission. This software
25  * is provided ``as is'' without express or implied warranty.
26  */
27 
28 #include <sys/cdefs.h>
29 __RCSID("$NetBSD: add.c,v 1.1.1.6 2018/02/06 01:53:15 christos Exp $");
30 
31 #include "portable.h"
32 
33 #include <stdio.h>
34 #include <ac/string.h>
35 #include <ac/time.h>
36 #include <ac/socket.h>
37 
38 #include "lutil.h"
39 #include "slap.h"
40 
41 int
42 do_add( Operation *op, SlapReply *rs )
43 {
44 	BerElement	*ber = op->o_ber;
45 	char		*last;
46 	struct berval	dn = BER_BVNULL;
47 	ber_len_t	len;
48 	ber_tag_t	tag;
49 	Modifications	*modlist = NULL;
50 	Modifications	**modtail = &modlist;
51 	Modifications	tmp;
52 	char		textbuf[ SLAP_TEXT_BUFLEN ];
53 	size_t		textlen = sizeof( textbuf );
54 	int		rc = 0;
55 	int		freevals = 1;
56 	OpExtraDB oex;
57 
58 	Debug( LDAP_DEBUG_TRACE, "%s do_add\n",
59 		op->o_log_prefix, 0, 0 );
60 
61 	/*
62 	 * Parse the add request.  It looks like this:
63 	 *
64 	 *	AddRequest := [APPLICATION 14] SEQUENCE {
65 	 *		name	DistinguishedName,
66 	 *		attrs	SEQUENCE OF SEQUENCE {
67 	 *			type	AttributeType,
68 	 *			values	SET OF AttributeValue
69 	 *		}
70 	 *	}
71 	 */
72 
73 	/* get the name */
74 	if ( ber_scanf( ber, "{m", /*}*/ &dn ) == LBER_ERROR ) {
75 		Debug( LDAP_DEBUG_ANY, "%s do_add: ber_scanf failed\n",
76 			op->o_log_prefix, 0, 0 );
77 		send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
78 		return SLAPD_DISCONNECT;
79 	}
80 
81 	Debug( LDAP_DEBUG_ARGS, "%s do_add: dn (%s)\n",
82 		op->o_log_prefix, dn.bv_val, 0 );
83 
84 	/* get the attrs */
85 	for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
86 	    tag = ber_next_element( ber, &len, last ) )
87 	{
88 		Modifications *mod;
89 		ber_tag_t rtag;
90 
91 		tmp.sml_nvalues = NULL;
92 
93 		rtag = ber_scanf( ber, "{m{W}}", &tmp.sml_type, &tmp.sml_values );
94 
95 		if ( rtag == LBER_ERROR ) {
96 			Debug( LDAP_DEBUG_ANY, "%s do_add: decoding error\n",
97 				op->o_log_prefix, 0, 0 );
98 			send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
99 			rs->sr_err = SLAPD_DISCONNECT;
100 			goto done;
101 		}
102 
103 		if ( tmp.sml_values == NULL ) {
104 			Debug( LDAP_DEBUG_ANY, "%s do_add: no values for type %s\n",
105 				op->o_log_prefix, tmp.sml_type.bv_val, 0 );
106 			send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
107 				"no values for attribute type" );
108 			goto done;
109 		}
110 
111 		mod  = (Modifications *) ch_malloc( sizeof(Modifications) );
112 		mod->sml_op = LDAP_MOD_ADD;
113 		mod->sml_flags = 0;
114 		mod->sml_next = NULL;
115 		mod->sml_desc = NULL;
116 		mod->sml_type = tmp.sml_type;
117 		mod->sml_values = tmp.sml_values;
118 		mod->sml_nvalues = NULL;
119 
120 		*modtail = mod;
121 		modtail = &mod->sml_next;
122 	}
123 
124 	if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
125 		Debug( LDAP_DEBUG_ANY, "%s do_add: ber_scanf failed\n",
126 			op->o_log_prefix, 0, 0 );
127 		send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
128 		rs->sr_err = SLAPD_DISCONNECT;
129 		goto done;
130 	}
131 
132 	if ( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
133 		Debug( LDAP_DEBUG_ANY, "%s do_add: get_ctrls failed\n",
134 			op->o_log_prefix, 0, 0 );
135 		goto done;
136 	}
137 
138 	rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
139 		op->o_tmpmemctx );
140 
141 	if ( rs->sr_err != LDAP_SUCCESS ) {
142 		Debug( LDAP_DEBUG_ANY, "%s do_add: invalid dn (%s)\n",
143 			op->o_log_prefix, dn.bv_val, 0 );
144 		send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
145 		goto done;
146 	}
147 
148 	op->ora_e = entry_alloc();
149 	ber_dupbv( &op->ora_e->e_name, &op->o_req_dn );
150 	ber_dupbv( &op->ora_e->e_nname, &op->o_req_ndn );
151 
152 	Statslog( LDAP_DEBUG_STATS, "%s ADD dn=\"%s\"\n",
153 	    op->o_log_prefix, op->o_req_dn.bv_val, 0, 0, 0 );
154 
155 	if ( modlist == NULL ) {
156 		send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
157 			"no attributes provided" );
158 		goto done;
159 	}
160 
161 	if ( dn_match( &op->ora_e->e_nname, &slap_empty_bv ) ) {
162 		/* protocolError may be a more appropriate error */
163 		send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
164 			"root DSE already exists" );
165 		goto done;
166 
167 	} else if ( dn_match( &op->ora_e->e_nname, &frontendDB->be_schemandn ) ) {
168 		send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
169 			"subschema subentry already exists" );
170 		goto done;
171 	}
172 
173 	rs->sr_err = slap_mods_check( op, modlist, &rs->sr_text,
174 		textbuf, textlen, NULL );
175 
176 	if ( rs->sr_err != LDAP_SUCCESS ) {
177 		send_ldap_result( op, rs );
178 		goto done;
179 	}
180 
181 	/* temporary; remove if not invoking backend function */
182 	op->ora_modlist = modlist;
183 
184 	/* call this so global overlays/SLAPI have access to ora_e */
185 	rs->sr_err = slap_mods2entry( op->ora_modlist, &op->ora_e,
186 		1, 0, &rs->sr_text, textbuf, textlen );
187 	if ( rs->sr_err != LDAP_SUCCESS ) {
188 		send_ldap_result( op, rs );
189 		goto done;
190 	}
191 
192 	freevals = 0;
193 
194 	oex.oe.oe_key = (void *)do_add;
195 	oex.oe_db = NULL;
196 	LDAP_SLIST_INSERT_HEAD(&op->o_extra, &oex.oe, oe_next);
197 
198 	op->o_bd = frontendDB;
199 	rc = frontendDB->be_add( op, rs );
200 	LDAP_SLIST_REMOVE(&op->o_extra, &oex.oe, OpExtra, oe_next);
201 
202 #ifdef LDAP_X_TXN
203 	if ( rc == LDAP_X_TXN_SPECIFY_OKAY ) {
204 		/* skip cleanup */
205 		return rc;
206 	} else
207 #endif
208 	if ( rc == 0 ) {
209 		if ( op->ora_e != NULL && oex.oe_db != NULL ) {
210 			BackendDB	*bd = op->o_bd;
211 
212 			op->o_bd = oex.oe_db;
213 
214 			be_entry_release_w( op, op->ora_e );
215 
216 			op->ora_e = NULL;
217 			op->o_bd = bd;
218 		}
219 	}
220 
221 done:;
222 	if ( modlist != NULL ) {
223 		/* in case of error, free the values as well */
224 		slap_mods_free( modlist, freevals );
225 	}
226 
227 	if ( op->ora_e != NULL ) {
228 		entry_free( op->ora_e );
229 	}
230 	op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
231 	op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
232 
233 	return rc;
234 }
235 
236 int
237 fe_op_add( Operation *op, SlapReply *rs )
238 {
239 	Modifications	**modtail = &op->ora_modlist;
240 	int		rc = 0;
241 	BackendDB	*op_be, *bd = op->o_bd;
242 	char		textbuf[ SLAP_TEXT_BUFLEN ];
243 	size_t		textlen = sizeof( textbuf );
244 
245 	/*
246 	 * We could be serving multiple database backends.  Select the
247 	 * appropriate one, or send a referral to our "referral server"
248 	 * if we don't hold it.
249 	 */
250 	op->o_bd = select_backend( &op->ora_e->e_nname, 1 );
251 	if ( op->o_bd == NULL ) {
252 		op->o_bd = bd;
253 		rs->sr_ref = referral_rewrite( default_referral,
254 			NULL, &op->ora_e->e_name, LDAP_SCOPE_DEFAULT );
255 		if ( !rs->sr_ref ) rs->sr_ref = default_referral;
256 		if ( rs->sr_ref ) {
257 			rs->sr_err = LDAP_REFERRAL;
258 			send_ldap_result( op, rs );
259 
260 			if ( rs->sr_ref != default_referral ) {
261 				ber_bvarray_free( rs->sr_ref );
262 			}
263 		} else {
264 			send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
265 				"no global superior knowledge" );
266 		}
267 		goto done;
268 	}
269 
270 	/* If we've got a glued backend, check the real backend */
271 	op_be = op->o_bd;
272 	if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
273 		op->o_bd = select_backend( &op->ora_e->e_nname, 0 );
274 	}
275 
276 	/* check restrictions */
277 	if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
278 		send_ldap_result( op, rs );
279 		goto done;
280 	}
281 
282 	/* check for referrals */
283 	if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
284 		goto done;
285 	}
286 
287 	rs->sr_err = slap_mods_obsolete_check( op, op->ora_modlist,
288 		&rs->sr_text, textbuf, textlen );
289 
290 	if ( rs->sr_err != LDAP_SUCCESS ) {
291 		send_ldap_result( op, rs );
292 		goto done;
293 	}
294 
295 	/*
296 	 * do the add if 1 && (2 || 3)
297 	 * 1) there is an add function implemented in this backend;
298 	 * 2) this backend is master for what it holds;
299 	 * 3) it's a replica and the dn supplied is the updatedn.
300 	 */
301 	if ( op->o_bd->be_add ) {
302 		/* do the update here */
303 		int repl_user = be_isupdate( op );
304 		if ( !SLAP_SINGLE_SHADOW(op->o_bd) || repl_user ) {
305 			int		update = !BER_BVISEMPTY( &op->o_bd->be_update_ndn );
306 
307 			op->o_bd = op_be;
308 
309 			if ( !update ) {
310 				rs->sr_err = slap_mods_no_user_mod_check( op, op->ora_modlist,
311 					&rs->sr_text, textbuf, textlen );
312 
313 				if ( rs->sr_err != LDAP_SUCCESS ) {
314 					send_ldap_result( op, rs );
315 					goto done;
316 				}
317 			}
318 
319 			if ( !repl_user ) {
320 				/* go to the last mod */
321 				for ( modtail = &op->ora_modlist;
322 						*modtail != NULL;
323 						modtail = &(*modtail)->sml_next )
324 				{
325 					assert( (*modtail)->sml_op == LDAP_MOD_ADD );
326 					assert( (*modtail)->sml_desc != NULL );
327 				}
328 
329 
330 				/* check for unmodifiable attributes */
331 				rs->sr_err = slap_mods_no_repl_user_mod_check( op,
332 					op->ora_modlist, &rs->sr_text, textbuf, textlen );
333 				if ( rs->sr_err != LDAP_SUCCESS ) {
334 					send_ldap_result( op, rs );
335 					goto done;
336 				}
337 			}
338 
339 			rc = op->o_bd->be_add( op, rs );
340 			if ( rc == LDAP_SUCCESS ) {
341 				OpExtra *oex;
342 				/* NOTE: be_entry_release_w() is
343 				 * called by do_add(), so that global
344 				 * overlays on the way back can
345 				 * at least read the entry */
346 				LDAP_SLIST_FOREACH(oex, &op->o_extra, oe_next) {
347 					if ( oex->oe_key == (void *)do_add ) {
348 						((OpExtraDB *)oex)->oe_db = op->o_bd;
349 						break;
350 					}
351 				}
352 			}
353 
354 		} else {
355 			BerVarray defref = NULL;
356 
357 			defref = op->o_bd->be_update_refs
358 				? op->o_bd->be_update_refs : default_referral;
359 
360 			if ( defref != NULL ) {
361 				rs->sr_ref = referral_rewrite( defref,
362 					NULL, &op->ora_e->e_name, LDAP_SCOPE_DEFAULT );
363 				if ( rs->sr_ref == NULL ) rs->sr_ref = defref;
364 				rs->sr_err = LDAP_REFERRAL;
365 				if (!rs->sr_ref) rs->sr_ref = default_referral;
366 				send_ldap_result( op, rs );
367 
368 				if ( rs->sr_ref != default_referral ) {
369 					ber_bvarray_free( rs->sr_ref );
370 				}
371 			} else {
372 				send_ldap_error( op, rs,
373 					LDAP_UNWILLING_TO_PERFORM,
374 					"shadow context; no update referral" );
375 			}
376 		}
377 	} else {
378 		Debug( LDAP_DEBUG_ARGS, "do_add: no backend support\n", 0, 0, 0 );
379 		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
380 			"operation not supported within namingContext" );
381 	}
382 
383 done:;
384 	op->o_bd = bd;
385 	return rc;
386 }
387 
388 int
389 slap_mods2entry(
390 	Modifications *mods,
391 	Entry **e,
392 	int initial,
393 	int dup,
394 	const char **text,
395 	char *textbuf, size_t textlen )
396 {
397 	Attribute **tail;
398 	int i;
399 
400 	if ( initial ) {
401 		assert( (*e)->e_attrs == NULL );
402 	}
403 
404 	for ( tail = &(*e)->e_attrs; *tail != NULL; tail = &(*tail)->a_next )
405 		;
406 
407 	*text = textbuf;
408 
409 	for( ; mods != NULL; mods = mods->sml_next ) {
410 		Attribute *attr;
411 
412 		assert( mods->sml_desc != NULL );
413 
414 		attr = attr_find( (*e)->e_attrs, mods->sml_desc );
415 
416 		if( attr != NULL ) {
417 #define SLURPD_FRIENDLY
418 #ifdef SLURPD_FRIENDLY
419 			int j;
420 
421 			if ( !initial ) {
422 				/*
423 				 * This check allows overlays to override operational
424 				 * attributes by setting them directly in the entry.
425 				 * We assume slap_mods_no_user_mod_check() was called
426 				 * with the user modifications.
427 				 */
428 				*text = NULL;
429 				return LDAP_SUCCESS;
430 			}
431 
432 			i = attr->a_numvals;
433 			j = mods->sml_numvals;
434 			attr->a_numvals += j;
435 			j++;	/* NULL */
436 
437 			attr->a_vals = ch_realloc( attr->a_vals,
438 				sizeof( struct berval ) * (i+j) );
439 
440 			/* checked for duplicates in slap_mods_check */
441 
442 			if ( dup ) {
443 				for ( j = 0; mods->sml_values[j].bv_val; j++ ) {
444 					ber_dupbv( &attr->a_vals[i+j], &mods->sml_values[j] );
445 				}
446 				BER_BVZERO( &attr->a_vals[i+j] );
447 				j++;
448 			} else {
449 				AC_MEMCPY( &attr->a_vals[i], mods->sml_values,
450 					sizeof( struct berval ) * j );
451 			}
452 
453 			if( mods->sml_nvalues ) {
454 				attr->a_nvals = ch_realloc( attr->a_nvals,
455 					sizeof( struct berval ) * (i+j) );
456 				if ( dup ) {
457 					for ( j = 0; mods->sml_nvalues[j].bv_val; j++ ) {
458 						ber_dupbv( &attr->a_nvals[i+j], &mods->sml_nvalues[j] );
459 					}
460 					BER_BVZERO( &attr->a_nvals[i+j] );
461 				} else {
462 					AC_MEMCPY( &attr->a_nvals[i], mods->sml_nvalues,
463 						sizeof( struct berval ) * j );
464 				}
465 			} else {
466 				attr->a_nvals = attr->a_vals;
467 			}
468 
469 			continue;
470 #else
471 			snprintf( textbuf, textlen,
472 				"attribute '%s' provided more than once",
473 				mods->sml_desc->ad_cname.bv_val );
474 			*text = textbuf;
475 			return LDAP_TYPE_OR_VALUE_EXISTS;
476 #endif
477 		}
478 
479 		attr = attr_alloc( mods->sml_desc );
480 
481 		/* move values to attr structure */
482 		i = mods->sml_numvals;
483 		attr->a_numvals = mods->sml_numvals;
484 		if ( dup ) {
485 			attr->a_vals = (BerVarray) ch_calloc( i+1, sizeof( BerValue ));
486 			for ( i = 0; mods->sml_values[i].bv_val; i++ ) {
487 				ber_dupbv( &attr->a_vals[i], &mods->sml_values[i] );
488 			}
489 			BER_BVZERO( &attr->a_vals[i] );
490 		} else {
491 			attr->a_vals = mods->sml_values;
492 		}
493 
494 		if ( mods->sml_nvalues ) {
495 			if ( dup ) {
496 				i = mods->sml_numvals;
497 				attr->a_nvals = (BerVarray) ch_calloc( i+1, sizeof( BerValue ));
498 				for ( i = 0; mods->sml_nvalues[i].bv_val; i++ ) {
499 					ber_dupbv( &attr->a_nvals[i], &mods->sml_nvalues[i] );
500 				}
501 				BER_BVZERO( &attr->a_nvals[i] );
502 			} else {
503 				attr->a_nvals = mods->sml_nvalues;
504 			}
505 		} else {
506 			attr->a_nvals = attr->a_vals;
507 		}
508 
509 		*tail = attr;
510 		tail = &attr->a_next;
511 	}
512 
513 	*text = NULL;
514 
515 	return LDAP_SUCCESS;
516 }
517 
518 int
519 slap_entry2mods(
520 	Entry *e,
521 	Modifications **mods,
522 	const char **text,
523 	char *textbuf, size_t textlen )
524 {
525 	Modifications	*modhead = NULL;
526 	Modifications	*mod;
527 	Modifications	**modtail = &modhead;
528 	Attribute		*a_new;
529 	AttributeDescription	*a_new_desc;
530 	int				i, count;
531 
532 	a_new = e->e_attrs;
533 
534 	while ( a_new != NULL ) {
535 		a_new_desc = a_new->a_desc;
536 		mod = (Modifications *) ch_malloc( sizeof( Modifications ));
537 
538 		mod->sml_op = LDAP_MOD_REPLACE;
539 		mod->sml_flags = 0;
540 
541 		mod->sml_type = a_new_desc->ad_cname;
542 
543 		count = a_new->a_numvals;
544 		mod->sml_numvals = a_new->a_numvals;
545 
546 		mod->sml_values = (struct berval*) ch_malloc(
547 			(count+1) * sizeof( struct berval) );
548 
549 		/* see slap_mods_check() comments...
550 		 * if a_vals == a_nvals, there is no normalizer.
551 		 * in this case, mod->sml_nvalues must be left NULL.
552 		 */
553 		if ( a_new->a_vals != a_new->a_nvals ) {
554 			mod->sml_nvalues = (struct berval*) ch_malloc(
555 				(count+1) * sizeof( struct berval) );
556 		} else {
557 			mod->sml_nvalues = NULL;
558 		}
559 
560 		for ( i = 0; i < count; i++ ) {
561 			ber_dupbv(mod->sml_values+i, a_new->a_vals+i);
562 			if ( mod->sml_nvalues ) {
563 				ber_dupbv( mod->sml_nvalues+i, a_new->a_nvals+i );
564 			}
565 		}
566 
567 		mod->sml_values[count].bv_val = NULL;
568 		mod->sml_values[count].bv_len = 0;
569 
570 		if ( mod->sml_nvalues ) {
571 			mod->sml_nvalues[count].bv_val = NULL;
572 			mod->sml_nvalues[count].bv_len = 0;
573 		}
574 
575 		mod->sml_desc = a_new_desc;
576 		mod->sml_next =NULL;
577 		*modtail = mod;
578 		modtail = &mod->sml_next;
579 		a_new = a_new->a_next;
580 	}
581 
582 	*mods = modhead;
583 
584 	return LDAP_SUCCESS;
585 }
586 
587 int slap_add_opattrs(
588 	Operation *op,
589 	const char **text,
590 	char *textbuf,
591 	size_t textlen,
592 	int manage_ctxcsn )
593 {
594 	struct berval name, timestamp, csn = BER_BVNULL;
595 	struct berval nname, tmp;
596 	char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
597 	char csnbuf[ LDAP_PVT_CSNSTR_BUFSIZE ];
598 	Attribute *a;
599 
600 	if ( SLAP_LASTMOD( op->o_bd ) ) {
601 		char *ptr;
602 		int gotcsn = 0;
603 
604 		timestamp.bv_val = timebuf;
605 		a = attr_find( op->ora_e->e_attrs, slap_schema.si_ad_entryCSN );
606 		if ( a ) {
607 			gotcsn = 1;
608 			csn = a->a_vals[0];
609 		}
610 		if ( BER_BVISEMPTY( &op->o_csn )) {
611 			if ( !gotcsn ) {
612 				csn.bv_val = csnbuf;
613 				csn.bv_len = sizeof(csnbuf);
614 				slap_get_csn( op, &csn, manage_ctxcsn );
615 			} else {
616 				if ( manage_ctxcsn )
617 					slap_queue_csn( op, &csn );
618 			}
619 		} else {
620 			csn = op->o_csn;
621 		}
622 		ptr = ber_bvchr( &csn, '#' );
623 		if ( ptr ) {
624 			timestamp.bv_len = STRLENOF("YYYYMMDDHHMMSSZ");
625 			AC_MEMCPY( timebuf, csn.bv_val, timestamp.bv_len );
626 			timebuf[timestamp.bv_len-1] = 'Z';
627 			timebuf[timestamp.bv_len] = '\0';
628 		} else {
629 			time_t now = slap_get_time();
630 
631 			timestamp.bv_len = sizeof(timebuf);
632 
633 			slap_timestamp( &now, &timestamp );
634 		}
635 
636 		if ( BER_BVISEMPTY( &op->o_dn ) ) {
637 			BER_BVSTR( &name, SLAPD_ANONYMOUS );
638 			nname = name;
639 		} else {
640 			name = op->o_dn;
641 			nname = op->o_ndn;
642 		}
643 
644 		a = attr_find( op->ora_e->e_attrs,
645 			slap_schema.si_ad_entryUUID );
646 		if ( !a ) {
647 			char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
648 
649 			tmp.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
650 			tmp.bv_val = uuidbuf;
651 
652 			attr_merge_normalize_one( op->ora_e,
653 				slap_schema.si_ad_entryUUID, &tmp, op->o_tmpmemctx );
654 		}
655 
656 		a = attr_find( op->ora_e->e_attrs,
657 			slap_schema.si_ad_creatorsName );
658 		if ( !a ) {
659 			attr_merge_one( op->ora_e,
660 				slap_schema.si_ad_creatorsName, &name, &nname );
661 		}
662 
663 		a = attr_find( op->ora_e->e_attrs,
664 			slap_schema.si_ad_createTimestamp );
665 		if ( !a ) {
666 			attr_merge_one( op->ora_e,
667 				slap_schema.si_ad_createTimestamp, &timestamp, NULL );
668 		}
669 
670 		if ( !gotcsn ) {
671 			attr_merge_one( op->ora_e,
672 				slap_schema.si_ad_entryCSN, &csn, NULL );
673 		}
674 
675 		a = attr_find( op->ora_e->e_attrs,
676 			slap_schema.si_ad_modifiersName );
677 		if ( !a ) {
678 			attr_merge_one( op->ora_e,
679 				slap_schema.si_ad_modifiersName, &name, &nname );
680 		}
681 
682 		a = attr_find( op->ora_e->e_attrs,
683 			slap_schema.si_ad_modifyTimestamp );
684 		if ( !a ) {
685 			attr_merge_one( op->ora_e,
686 				slap_schema.si_ad_modifyTimestamp, &timestamp, NULL );
687 		}
688 	}
689 
690 	return LDAP_SUCCESS;
691 }
692