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",
161 Modifications *modlist )
163 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
167 int manageDSAit = get_manageDSAit( op );
168 const char *text = NULL;
169 char textbuf[SLAP_TEXT_BUFLEN];
170 size_t textlen = sizeof textbuf;
172 struct bdb_op_info opinfo;
174 Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", dn, 0, 0 );
177 retry: /* transaction retry */
178 Debug(LDAP_DEBUG_TRACE,
179 "bdb_modify: retrying...\n", 0, 0, 0);
180 rc = txn_abort( ltid );
182 op->o_private = NULL;
185 text = "internal error";
191 /* begin transaction */
192 rc = txn_begin( bdb->bi_dbenv, NULL, <id,
193 bdb->bi_db_opflags );
196 Debug( LDAP_DEBUG_TRACE,
197 "bdb_modify: txn_begin failed: %s (%d)\n",
198 db_strerror(rc), rc, 0 );
200 text = "internal error";
206 opinfo.boi_txn = ltid;
208 op->o_private = &opinfo;
211 rc = bdb_dn2entry( be, ltid, ndn, &e, &matched, 0 );
214 Debug( LDAP_DEBUG_TRACE,
215 "bdb_modify: dn2entry failed (%d)\n",
218 case DB_LOCK_DEADLOCK:
219 case DB_LOCK_NOTGRANTED:
226 text = "internal error";
230 /* acquire and lock entry */
232 char* matched_dn = NULL;
233 struct berval **refs;
235 if ( matched != NULL ) {
236 matched_dn = ch_strdup( matched->e_dn );
237 refs = is_entry_referral( matched )
238 ? get_entry_referrals( be, conn, op, matched,
239 dn, LDAP_SCOPE_DEFAULT )
241 bdb_entry_return( be, matched );
245 refs = referral_rewrite( default_referral,
246 NULL, dn, LDAP_SCOPE_DEFAULT );
249 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
250 matched_dn, NULL, refs, NULL );
252 ber_bvecfree( refs );
258 if ( !manageDSAit && is_entry_referral( e ) ) {
259 /* parent is a referral, don't allow add */
260 /* parent is an alias, don't allow add */
261 struct berval **refs = get_entry_referrals( be,
262 conn, op, e, dn, LDAP_SCOPE_DEFAULT );
264 Debug( LDAP_DEBUG_TRACE,
265 "bdb_modify: entry is referral\n",
268 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
269 e->e_dn, NULL, refs, NULL );
271 ber_bvecfree( refs );
275 /* Modify the entry */
276 rc = bdb_modify_internal( be, conn, op, ltid, modlist, e,
277 &text, textbuf, textlen );
279 if( rc != LDAP_SUCCESS ) {
280 Debug( LDAP_DEBUG_TRACE,
281 "bdb_modify: modify failed (%d)\n",
284 case DB_LOCK_DEADLOCK:
285 case DB_LOCK_NOTGRANTED:
291 /* change the entry itself */
292 rc = bdb_id2entry_update( be, ltid, e );
294 Debug( LDAP_DEBUG_TRACE,
295 "bdb_modify: id2entry update failed (%d)\n",
298 case DB_LOCK_DEADLOCK:
299 case DB_LOCK_NOTGRANTED:
302 text = "entry update failed";
307 rc = txn_commit( ltid, 0 );
310 op->o_private = NULL;
313 Debug( LDAP_DEBUG_TRACE,
314 "bdb_modify: txn_commit failed: %s (%d)\n",
315 db_strerror(rc), rc, 0 );
317 text = "commit failed";
320 Debug( LDAP_DEBUG_TRACE,
321 "bdb_modify: updated id=%08lx dn=\"%s\"\n",
322 e->e_id, e->e_dn, 0 );
328 send_ldap_result( conn, op, rc,
329 NULL, text, NULL, NULL );
331 if( rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
332 ldap_pvt_thread_yield();
333 txn_checkpoint( bdb->bi_dbenv,
334 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
340 op->o_private = NULL;
344 bdb_entry_return( be, e );
359 /* char *desc = mod->sm_desc->ad_cname.bv_val; */
360 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
362 a = attr_find( e->e_attrs, mod->sm_desc );
364 /* check if the values we're adding already exist */
366 if( mr == NULL || !mr->smr_match ) {
367 /* do not allow add of additional attribute
368 if no equality rule exists */
369 return LDAP_INAPPROPRIATE_MATCHING;
372 for ( i = 0; mod->sm_bvalues[i] != NULL; i++ ) {
375 const char *text = NULL;
376 struct berval *asserted;
378 rc = value_normalize( mod->sm_desc,
384 if( rc != LDAP_SUCCESS ) return rc;
386 for ( j = 0; a->a_vals[j] != NULL; j++ ) {
388 int rc = value_match( &match, mod->sm_desc, mr,
389 SLAP_MR_VALUE_SYNTAX_MATCH,
390 a->a_vals[j], asserted, &text );
392 if( rc == LDAP_SUCCESS && match == 0 ) {
393 ber_bvfree( asserted );
394 return LDAP_TYPE_OR_VALUE_EXISTS;
398 ber_bvfree( asserted );
403 if( attr_merge( e, mod->sm_desc, mod->sm_bvalues ) != 0 ) {
404 /* this should return result return of attr_merge */
420 char *desc = mod->sm_desc->ad_cname.bv_val;
421 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
423 /* delete the entire attribute */
424 if ( mod->sm_bvalues == NULL ) {
425 Debug( LDAP_DEBUG_TRACE,
426 "bdb_modify_delete: removing entire attribute %s\n",
428 return attr_delete( &e->e_attrs, mod->sm_desc )
429 ? LDAP_NO_SUCH_ATTRIBUTE : LDAP_SUCCESS;
432 if( mr == NULL || !mr->smr_match ) {
433 /* disallow specific attributes from being deleted if
435 return LDAP_INAPPROPRIATE_MATCHING;
438 /* delete specific values - find the attribute first */
439 if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
440 Debug( LDAP_DEBUG_TRACE,
441 "bdb_modify_delete: could not find attribute %s\n",
443 return LDAP_NO_SUCH_ATTRIBUTE;
446 /* find each value to delete */
447 for ( i = 0; mod->sm_bvalues[i] != NULL; i++ ) {
449 const char *text = NULL;
451 struct berval *asserted;
453 rc = value_normalize( mod->sm_desc,
459 if( rc != LDAP_SUCCESS ) return rc;
462 for ( j = 0; a->a_vals[j] != NULL; j++ ) {
464 int rc = value_match( &match, mod->sm_desc, mr,
465 SLAP_MR_VALUE_SYNTAX_MATCH,
466 a->a_vals[j], asserted, &text );
468 if( rc == LDAP_SUCCESS && match != 0 ) {
472 /* found a matching value */
476 ber_bvfree( a->a_vals[j] );
477 for ( k = j + 1; a->a_vals[k] != NULL; k++ ) {
478 a->a_vals[k - 1] = a->a_vals[k];
480 a->a_vals[k - 1] = NULL;
485 ber_bvfree( asserted );
487 /* looked through them all w/o finding it */
489 Debug( LDAP_DEBUG_TRACE,
490 "bdb_modify_delete: could not find value for attr %s\n",
492 return LDAP_NO_SUCH_ATTRIBUTE;
496 /* if no values remain, delete the entire attribute */
497 if ( a->a_vals[0] == NULL ) {
498 Debug( LDAP_DEBUG_TRACE,
499 "bdb_modify_delete: removing entire attribute %s\n",
501 if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
502 return LDAP_NO_SUCH_ATTRIBUTE;
516 int rc = attr_delete( &e->e_attrs, mod->sm_desc );
518 if( rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_ATTRIBUTE ) {
522 if ( mod->sm_bvalues != NULL &&
523 attr_merge( e, mod->sm_desc, mod->sm_bvalues ) != 0 )