1 /* modify.c - bdb backend modify routine */
4 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
11 #include <ac/string.h>
17 int bdb_modify_internal(
22 Modifications *modlist,
31 Attribute *save_attrs;
35 LDAP_LOG (( "modify", LDAP_LEVEL_ENTRY,"bdb_modify_internal: 0x%08lx: %s\n", e->e_id, e->e_dn ));
37 Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
41 if ( !acl_check_modlist( be, conn, op, e, modlist )) {
42 return LDAP_INSUFFICIENT_ACCESS;
45 save_attrs = e->e_attrs;
46 e->e_attrs = attrs_dup( e->e_attrs );
48 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
51 switch ( mod->sm_op ) {
54 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify_internal: add\n" ));
56 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
58 err = modify_add_values( e, mod, text, textbuf, textlen );
59 if( err != LDAP_SUCCESS ) {
61 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: %d %s\n", err, *text ));
63 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
71 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify_internal: delete\n" ));
73 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
75 err = modify_delete_values( e, mod, text, textbuf, textlen );
76 assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
77 if( err != LDAP_SUCCESS ) {
79 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: %d %s\n", err, *text ));
81 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
87 case LDAP_MOD_REPLACE:
89 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify_internal: replace\n" ));
91 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
93 err = modify_replace_values( e, mod, text, textbuf, textlen );
94 assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
95 if( err != LDAP_SUCCESS ) {
97 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: %d %s\n", err, *text ));
99 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
105 case SLAP_MOD_SOFTADD:
107 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify_internal: softadd\n" ));
109 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
111 /* Avoid problems in index_add_mods()
112 * We need to add index if necessary.
114 mod->sm_op = LDAP_MOD_ADD;
116 err = modify_add_values( e, mod, text, textbuf, textlen );
117 if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
121 if( err != LDAP_SUCCESS ) {
123 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: %d %s\n", err, *text ));
125 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
133 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: invalid op %d\n", mod->sm_op ));
135 Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
138 *text = "Invalid modify operation";
141 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: %d %s\n", err, *text ));
143 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
148 if ( err != LDAP_SUCCESS ) {
149 attrs_free( e->e_attrs );
150 e->e_attrs = save_attrs;
151 /* unlock entry, delete from cache */
155 /* If objectClass was modified, reset the flags */
156 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
160 /* check if modified attribute was indexed */
161 err = bdb_index_is_indexed( be, mod->sm_desc );
162 if ( err == LDAP_SUCCESS ) {
163 ap = attr_find( save_attrs, mod->sm_desc );
164 if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
166 ap = attr_find( e->e_attrs, mod->sm_desc );
167 if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
171 /* check that the entry still obeys the schema */
172 rc = entry_schema_check( be, e, save_attrs, text, textbuf, textlen );
173 if ( rc != LDAP_SUCCESS ) {
174 attrs_free( e->e_attrs );
175 e->e_attrs = save_attrs;
177 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: entry failed schema check %s\n", *text ));
179 Debug( LDAP_DEBUG_ANY, "entry failed schema check: %s\n",
185 /* update the indices of the modified attributes */
187 /* start with deleting the old index entries */
188 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
189 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
190 rc = bdb_index_values( be, tid, ap->a_desc, ap->a_vals,
191 e->e_id, SLAP_INDEX_DELETE_OP );
192 if ( rc != LDAP_SUCCESS ) {
193 attrs_free( e->e_attrs );
194 e->e_attrs = save_attrs;
196 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: attribute index delete failure\n" ));
198 Debug( LDAP_DEBUG_ANY,
199 "Attribute index delete failure",
204 ap->a_flags &= ~SLAP_ATTR_IXDEL;
208 /* add the new index entries */
209 for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
210 if (ap->a_flags & SLAP_ATTR_IXADD) {
211 rc = bdb_index_values( be, tid, ap->a_desc, ap->a_vals,
212 e->e_id, SLAP_INDEX_ADD_OP );
213 if ( rc != LDAP_SUCCESS ) {
214 attrs_free( e->e_attrs );
215 e->e_attrs = save_attrs;
217 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: attribute index add failure\n" ));
219 Debug( LDAP_DEBUG_ANY,
220 "Attribute index add failure",
225 ap->a_flags &= ~SLAP_ATTR_IXADD;
240 Modifications *modlist )
242 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
246 int manageDSAit = get_manageDSAit( op );
247 const char *text = NULL;
248 char textbuf[SLAP_TEXT_BUFLEN];
249 size_t textlen = sizeof textbuf;
251 struct bdb_op_info opinfo;
254 LDAP_LOG (( "modify", LDAP_LEVEL_ENTRY, "bdb_modify: %s\n", dn->bv_val ));
256 Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", dn->bv_val, 0, 0 );
260 retry: /* transaction retry */
262 bdb_cache_delete_entry(&bdb->bi_cache, e);
263 bdb_cache_return_entry_w(&bdb->bi_cache, e);
266 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify: retrying...\n" ));
268 Debug(LDAP_DEBUG_TRACE,
269 "bdb_modify: retrying...\n", 0, 0, 0);
271 rc = TXN_ABORT( ltid );
273 op->o_private = NULL;
276 text = "internal error";
279 ldap_pvt_thread_yield();
282 /* begin transaction */
283 rc = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
284 bdb->bi_db_opflags );
288 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rc), rc ));
290 Debug( LDAP_DEBUG_TRACE,
291 "bdb_modify: txn_begin failed: %s (%d)\n",
292 db_strerror(rc), rc, 0 );
295 text = "internal error";
300 opinfo.boi_txn = ltid;
302 op->o_private = &opinfo;
305 rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, 0 );
309 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify: dn2entry failed: (%d)\n", rc ));
311 Debug( LDAP_DEBUG_TRACE,
312 "bdb_modify: dn2entry failed (%d)\n",
316 case DB_LOCK_DEADLOCK:
317 case DB_LOCK_NOTGRANTED:
324 text = "internal error";
328 /* acquire and lock entry */
330 char* matched_dn = NULL;
333 if ( matched != NULL ) {
334 matched_dn = ch_strdup( matched->e_dn );
335 refs = is_entry_referral( matched )
336 ? get_entry_referrals( be, conn, op, matched )
338 bdb_cache_return_entry_r (&bdb->bi_cache, matched);
342 refs = referral_rewrite( default_referral,
343 NULL, dn, LDAP_SCOPE_DEFAULT );
346 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
347 matched_dn, NULL, refs, NULL );
349 ber_bvarray_free( refs );
355 if ( !manageDSAit && is_entry_referral( e ) ) {
356 /* entry is a referral, don't allow modify */
357 BerVarray refs = get_entry_referrals( be,
361 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify: entry is referral\n" ));
363 Debug( LDAP_DEBUG_TRACE,
364 "bdb_modify: entry is referral\n",
368 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
369 e->e_dn, NULL, refs, NULL );
371 ber_bvarray_free( refs );
375 /* Modify the entry */
376 rc = bdb_modify_internal( be, conn, op, ltid, modlist, e,
377 &text, textbuf, textlen );
379 if( rc != LDAP_SUCCESS ) {
381 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify: modify failed (%d)\n", rc ));
383 Debug( LDAP_DEBUG_TRACE,
384 "bdb_modify: modify failed (%d)\n",
388 case DB_LOCK_DEADLOCK:
389 case DB_LOCK_NOTGRANTED:
395 /* change the entry itself */
396 rc = bdb_id2entry_update( be, ltid, e );
399 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify: id2entry update failed (%d)\n", rc ));
401 Debug( LDAP_DEBUG_TRACE,
402 "bdb_modify: id2entry update failed (%d)\n",
406 case DB_LOCK_DEADLOCK:
407 case DB_LOCK_NOTGRANTED:
410 text = "entry update failed";
415 rc = TXN_ABORT( ltid );
417 rc = TXN_COMMIT( ltid, 0 );
420 op->o_private = NULL;
424 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify: txn_%s failed %s (%d)\n", op->o_noop ? "abort (no_op)" : "commit", db_strerror(rc), rc ));
426 Debug( LDAP_DEBUG_TRACE,
427 "bdb_modify: txn_%s failed: %s (%d)\n",
428 op->o_noop ? "abort (no-op)" : "commit",
429 db_strerror(rc), rc );
432 text = "commit failed";
436 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify: updated%s id=%08lx dn=\"%s\"\n", op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn ));
438 Debug( LDAP_DEBUG_TRACE,
439 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
440 op->o_noop ? " (no-op)" : "",
448 send_ldap_result( conn, op, rc,
449 NULL, text, NULL, NULL );
451 if( rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
452 ldap_pvt_thread_yield();
453 TXN_CHECKPOINT( bdb->bi_dbenv,
454 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
460 op->o_private = NULL;
464 bdb_cache_return_entry_w (&bdb->bi_cache, e);