1 /* modify.c - bdb backend modify routine */
4 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
11 #include <ac/string.h>
17 static int add_values( Entry *e, Modification *mod, char *dn );
18 static int delete_values( Entry *e, Modification *mod, char *dn );
19 static int replace_values( Entry *e, Modification *mod, char *dn );
21 int bdb_modify_internal(
26 Modifications *modlist,
35 Attribute *save_attrs;
37 Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
40 if ( !acl_check_modlist( be, conn, op, e, modlist )) {
41 return LDAP_INSUFFICIENT_ACCESS;
44 save_attrs = e->e_attrs;
45 e->e_attrs = attrs_dup( e->e_attrs );
47 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
50 switch ( mod->sm_op ) {
52 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
53 err = add_values( e, mod, op->o_ndn );
55 if( err != LDAP_SUCCESS ) {
56 *text = "modify: add values failed";
57 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
63 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
64 err = delete_values( e, mod, op->o_ndn );
65 assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
66 if( err != LDAP_SUCCESS ) {
67 *text = "modify: delete values failed";
68 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
73 case LDAP_MOD_REPLACE:
74 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
75 err = replace_values( e, mod, op->o_ndn );
76 assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
77 if( err != LDAP_SUCCESS ) {
78 *text = "modify: replace values failed";
79 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
84 case SLAP_MOD_SOFTADD:
85 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
86 /* Avoid problems in index_add_mods()
87 * We need to add index if necessary.
89 mod->sm_op = LDAP_MOD_ADD;
90 err = add_values( e, mod, op->o_ndn );
92 if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
96 if( err != LDAP_SUCCESS ) {
97 *text = "modify: (soft)add values failed";
98 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
104 Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
106 *text = "Invalid modify operation";
108 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
112 if ( err != LDAP_SUCCESS ) {
113 attrs_free( e->e_attrs );
114 e->e_attrs = save_attrs;
115 /* unlock entry, delete from cache */
120 /* check that the entry still obeys the schema */
121 rc = entry_schema_check( e, save_attrs, text, textbuf, textlen );
122 if ( rc != LDAP_SUCCESS ) {
123 attrs_free( e->e_attrs );
124 e->e_attrs = save_attrs;
125 Debug( LDAP_DEBUG_ANY, "entry failed schema check: %s\n",
130 /* delete indices for old attributes */
131 rc = bdb_index_entry_del( be, tid, e, save_attrs);
132 if ( rc != LDAP_SUCCESS ) {
133 attrs_free( e->e_attrs );
134 e->e_attrs = save_attrs;
135 Debug( LDAP_DEBUG_ANY, "entry index delete failed!\n",
140 /* add indices for new attributes */
141 rc = bdb_index_entry_add( be, tid, e, e->e_attrs);
142 if ( rc != LDAP_SUCCESS ) {
143 attrs_free( e->e_attrs );
144 e->e_attrs = save_attrs;
145 Debug( LDAP_DEBUG_ANY, "entry index add failed!\n",
150 #ifndef BDB_USE_BINARY_RW
151 /* cannot free individual elements of the entry */
152 attrs_free( save_attrs );
165 Modifications *modlist )
167 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
171 int manageDSAit = get_manageDSAit( op );
172 const char *text = NULL;
173 char textbuf[SLAP_TEXT_BUFLEN];
174 size_t textlen = sizeof textbuf;
176 struct bdb_op_info opinfo;
178 Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", dn, 0, 0 );
181 retry: /* transaction retry */
182 Debug(LDAP_DEBUG_TRACE,
183 "bdb_modify: retrying...\n", 0, 0, 0);
184 rc = txn_abort( ltid );
186 op->o_private = NULL;
189 text = "internal error";
194 /* begin transaction */
195 rc = txn_begin( bdb->bi_dbenv, NULL, <id, 0 );
198 Debug( LDAP_DEBUG_TRACE,
199 "bdb_modify: txn_begin failed: %s (%d)\n",
200 db_strerror(rc), rc, 0 );
202 text = "internal error";
207 opinfo.boi_txn = ltid;
209 op->o_private = &opinfo;
212 rc = bdb_dn2entry( be, ltid, ndn, &e, &matched, 0 );
215 Debug( LDAP_DEBUG_TRACE,
216 "bdb_modify: dn2entry failed (%d)\n",
219 case DB_LOCK_DEADLOCK:
220 case DB_LOCK_NOTGRANTED:
227 text = "internal error";
231 /* acquire and lock entry */
233 char* matched_dn = NULL;
234 struct berval **refs = NULL;
236 if ( matched != NULL ) {
237 matched_dn = ch_strdup( matched->e_dn );
238 refs = is_entry_referral( matched )
239 ? get_entry_referrals( be, conn, op, matched )
241 bdb_entry_return( be, matched );
245 refs = default_referral;
248 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
249 matched_dn, NULL, refs, NULL );
251 if ( matched != NULL ) {
252 ber_bvecfree( refs );
259 if ( !manageDSAit && is_entry_referral( e ) ) {
260 /* parent is a referral, don't allow add */
261 /* parent is an alias, don't allow add */
262 struct berval **refs = get_entry_referrals( be,
265 Debug( LDAP_DEBUG_TRACE,
266 "bdb_modify: entry is referral\n",
269 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
270 e->e_dn, NULL, refs, NULL );
272 ber_bvecfree( refs );
276 /* Modify the entry */
277 rc = bdb_modify_internal( be, conn, op, ltid, modlist, e,
278 &text, textbuf, textlen );
280 if( rc != LDAP_SUCCESS ) {
281 Debug( LDAP_DEBUG_TRACE,
282 "bdb_modify: modify failed (%d)\n",
285 case DB_LOCK_DEADLOCK:
286 case DB_LOCK_NOTGRANTED:
292 /* change the entry itself */
293 rc = bdb_id2entry_update( be, ltid, e );
295 Debug( LDAP_DEBUG_TRACE,
296 "bdb_modify: id2entry update failed (%d)\n",
299 case DB_LOCK_DEADLOCK:
300 case DB_LOCK_NOTGRANTED:
303 text = "entry update failed";
307 rc = txn_commit( ltid, 0 );
309 op->o_private = NULL;
312 Debug( LDAP_DEBUG_TRACE,
313 "bdb_modify: txn_commit failed: %s (%d)\n",
314 db_strerror(rc), rc, 0 );
316 text = "commit failed";
318 Debug( LDAP_DEBUG_TRACE,
319 "bdb_modify: updated id=%08x dn=\"%s\"\n",
320 e->e_id, e->e_dn, 0 );
326 send_ldap_result( conn, op, rc,
327 NULL, text, NULL, NULL );
329 if(rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
330 ldap_pvt_thread_yield();
331 txn_checkpoint( bdb->bi_dbenv,
332 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
338 op->o_private = NULL;
342 bdb_entry_return( be, e );
357 /* char *desc = mod->sm_desc->ad_cname.bv_val; */
358 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
360 a = attr_find( e->e_attrs, mod->sm_desc );
362 /* check if the values we're adding already exist */
364 if( mr == NULL || !mr->smr_match ) {
365 /* do not allow add of additional attribute
366 if no equality rule exists */
367 return LDAP_INAPPROPRIATE_MATCHING;
370 for ( i = 0; mod->sm_bvalues[i] != NULL; i++ ) {
373 const char *text = NULL;
374 struct berval *asserted;
376 rc = value_normalize( mod->sm_desc,
382 if( rc != LDAP_SUCCESS ) return rc;
384 for ( j = 0; a->a_vals[j] != NULL; j++ ) {
386 int rc = value_match( &match, mod->sm_desc, mr,
387 SLAP_MR_MODIFY_MATCHING,
388 a->a_vals[j], asserted, &text );
390 if( rc == LDAP_SUCCESS && match == 0 ) {
391 ber_bvfree( asserted );
392 return LDAP_TYPE_OR_VALUE_EXISTS;
396 ber_bvfree( asserted );
401 if( attr_merge( e, mod->sm_desc, mod->sm_bvalues ) != 0 ) {
402 /* this should return result return of attr_merge */
418 char *desc = mod->sm_desc->ad_cname.bv_val;
419 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
421 /* delete the entire attribute */
422 if ( mod->sm_bvalues == NULL ) {
423 Debug( LDAP_DEBUG_TRACE,
424 "bdb_modify_delete: removing entire attribute %s\n",
426 return attr_delete( &e->e_attrs, mod->sm_desc )
427 ? LDAP_NO_SUCH_ATTRIBUTE : LDAP_SUCCESS;
430 if( mr == NULL || !mr->smr_match ) {
431 /* disallow specific attributes from being deleted if
433 return LDAP_INAPPROPRIATE_MATCHING;
436 /* delete specific values - find the attribute first */
437 if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
438 Debug( LDAP_DEBUG_TRACE,
439 "bdb_modify_delete: could not find attribute %s\n",
441 return LDAP_NO_SUCH_ATTRIBUTE;
444 /* find each value to delete */
445 for ( i = 0; mod->sm_bvalues[i] != NULL; i++ ) {
447 const char *text = NULL;
449 struct berval *asserted;
451 rc = value_normalize( mod->sm_desc,
457 if( rc != LDAP_SUCCESS ) return rc;
460 for ( j = 0; a->a_vals[j] != NULL; j++ ) {
462 int rc = value_match( &match, mod->sm_desc, mr,
463 SLAP_MR_MODIFY_MATCHING,
464 a->a_vals[j], asserted, &text );
466 if( rc == LDAP_SUCCESS && match != 0 ) {
470 /* found a matching value */
474 ber_bvfree( a->a_vals[j] );
475 for ( k = j + 1; a->a_vals[k] != NULL; k++ ) {
476 a->a_vals[k - 1] = a->a_vals[k];
478 a->a_vals[k - 1] = NULL;
483 ber_bvfree( asserted );
485 /* looked through them all w/o finding it */
487 Debug( LDAP_DEBUG_TRACE,
488 "bdb_modify_delete: could not find value for attr %s\n",
490 return LDAP_NO_SUCH_ATTRIBUTE;
494 /* if no values remain, delete the entire attribute */
495 if ( a->a_vals[0] == NULL ) {
496 Debug( LDAP_DEBUG_TRACE,
497 "bdb_modify_delete: removing entire attribute %s\n",
499 if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
500 return LDAP_NO_SUCH_ATTRIBUTE;
514 int rc = attr_delete( &e->e_attrs, mod->sm_desc );
516 if( rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_ATTRIBUTE ) {
520 if ( mod->sm_bvalues != NULL &&
521 attr_merge( e, mod->sm_desc, mod->sm_bvalues ) != 0 )