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 if( err != LDAP_SUCCESS ) {
96 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: %d %s\n", err, *text ));
98 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
104 case SLAP_MOD_SOFTADD:
106 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify_internal: softadd\n" ));
108 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
110 /* Avoid problems in index_add_mods()
111 * We need to add index if necessary.
113 mod->sm_op = LDAP_MOD_ADD;
115 err = modify_add_values( e, mod, text, textbuf, textlen );
116 if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
120 if( err != LDAP_SUCCESS ) {
122 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: %d %s\n", err, *text ));
124 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
132 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: invalid op %d\n", mod->sm_op ));
134 Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
137 *text = "Invalid modify operation";
140 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: %d %s\n", err, *text ));
142 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
147 if ( err != LDAP_SUCCESS ) {
148 attrs_free( e->e_attrs );
149 e->e_attrs = save_attrs;
150 /* unlock entry, delete from cache */
154 /* If objectClass was modified, reset the flags */
155 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
159 /* check if modified attribute was indexed */
160 err = bdb_index_is_indexed( be, mod->sm_desc );
161 if ( err == LDAP_SUCCESS ) {
162 ap = attr_find( save_attrs, mod->sm_desc );
163 if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
165 ap = attr_find( e->e_attrs, mod->sm_desc );
166 if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
170 /* check that the entry still obeys the schema */
171 rc = entry_schema_check( be, e, save_attrs, text, textbuf, textlen );
172 if ( rc != LDAP_SUCCESS ) {
173 attrs_free( e->e_attrs );
174 e->e_attrs = save_attrs;
176 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: entry failed schema check %s\n", *text ));
178 Debug( LDAP_DEBUG_ANY, "entry failed schema check: %s\n",
184 /* update the indices of the modified attributes */
186 /* start with deleting the old index entries */
187 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
188 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
189 rc = bdb_index_values( be, tid, ap->a_desc, ap->a_vals,
190 e->e_id, SLAP_INDEX_DELETE_OP );
191 if ( rc != LDAP_SUCCESS ) {
192 attrs_free( e->e_attrs );
193 e->e_attrs = save_attrs;
195 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: attribute index delete failure\n" ));
197 Debug( LDAP_DEBUG_ANY,
198 "Attribute index delete failure",
203 ap->a_flags &= ~SLAP_ATTR_IXDEL;
207 /* add the new index entries */
208 for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
209 if (ap->a_flags & SLAP_ATTR_IXADD) {
210 rc = bdb_index_values( be, tid, ap->a_desc, ap->a_vals,
211 e->e_id, SLAP_INDEX_ADD_OP );
212 if ( rc != LDAP_SUCCESS ) {
213 attrs_free( e->e_attrs );
214 e->e_attrs = save_attrs;
216 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify_internal: attribute index add failure\n" ));
218 Debug( LDAP_DEBUG_ANY,
219 "Attribute index add failure",
224 ap->a_flags &= ~SLAP_ATTR_IXADD;
239 Modifications *modlist )
241 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
243 Entry *matched = NULL;
245 int manageDSAit = get_manageDSAit( op );
246 const char *text = NULL;
247 char textbuf[SLAP_TEXT_BUFLEN];
248 size_t textlen = sizeof textbuf;
250 struct bdb_op_info opinfo;
256 LDAP_LOG (( "modify", LDAP_LEVEL_ENTRY, "bdb_modify: %s\n", dn->bv_val ));
258 Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", dn->bv_val, 0, 0 );
262 retry: /* transaction retry */
264 bdb_cache_delete_entry(&bdb->bi_cache, e);
265 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
268 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify: retrying...\n" ));
270 Debug(LDAP_DEBUG_TRACE,
271 "bdb_modify: retrying...\n", 0, 0, 0);
273 rc = TXN_ABORT( ltid );
275 op->o_private = NULL;
278 text = "internal error";
281 ldap_pvt_thread_yield();
284 /* begin transaction */
285 rc = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
286 bdb->bi_db_opflags );
290 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rc), rc ));
292 Debug( LDAP_DEBUG_TRACE,
293 "bdb_modify: txn_begin failed: %s (%d)\n",
294 db_strerror(rc), rc, 0 );
297 text = "internal error";
301 locker = TXN_ID ( ltid );
304 opinfo.boi_txn = ltid;
306 op->o_private = &opinfo;
309 rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, 0, locker, &lock );
313 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify: dn2entry failed: (%d)\n", rc ));
315 Debug( LDAP_DEBUG_TRACE,
316 "bdb_modify: dn2entry failed (%d)\n",
320 case DB_LOCK_DEADLOCK:
321 case DB_LOCK_NOTGRANTED:
326 text = "ldap server busy";
331 text = "internal error";
335 /* acquire and lock entry */
337 char* matched_dn = NULL;
340 if ( matched != NULL ) {
341 matched_dn = ch_strdup( matched->e_dn );
342 refs = is_entry_referral( matched )
343 ? get_entry_referrals( be, conn, op, matched )
345 bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, matched);
349 refs = referral_rewrite( default_referral,
350 NULL, dn, LDAP_SCOPE_DEFAULT );
353 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
354 matched_dn, NULL, refs, NULL );
356 ber_bvarray_free( refs );
362 if ( !manageDSAit && is_entry_referral( e ) ) {
363 /* entry is a referral, don't allow modify */
364 BerVarray refs = get_entry_referrals( be,
368 LDAP_LOG (( "modify", LDAP_LEVEL_DETAIL1, "bdb_modify: entry is referral\n" ));
370 Debug( LDAP_DEBUG_TRACE,
371 "bdb_modify: entry is referral\n",
375 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
376 e->e_dn, NULL, refs, NULL );
378 ber_bvarray_free( refs );
382 /* Modify the entry */
383 rc = bdb_modify_internal( be, conn, op, ltid, modlist, e,
384 &text, textbuf, textlen );
386 if( rc != LDAP_SUCCESS ) {
388 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify: modify failed (%d)\n", rc ));
390 Debug( LDAP_DEBUG_TRACE,
391 "bdb_modify: modify failed (%d)\n",
395 case DB_LOCK_DEADLOCK:
396 case DB_LOCK_NOTGRANTED:
402 /* change the entry itself */
403 rc = bdb_id2entry_update( be, ltid, e );
406 LDAP_LOG (( "modify", LDAP_LEVEL_ERR, "bdb_modify: id2entry update failed (%d)\n", rc ));
408 Debug( LDAP_DEBUG_TRACE,
409 "bdb_modify: id2entry update failed (%d)\n",
413 case DB_LOCK_DEADLOCK:
414 case DB_LOCK_NOTGRANTED:
417 text = "entry update failed";
422 rc = TXN_ABORT( ltid );
424 rc = TXN_COMMIT( ltid, 0 );
427 op->o_private = NULL;
431 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 ));
433 Debug( LDAP_DEBUG_TRACE,
434 "bdb_modify: txn_%s failed: %s (%d)\n",
435 op->o_noop ? "abort (no-op)" : "commit",
436 db_strerror(rc), rc );
439 text = "commit failed";
443 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 ));
445 Debug( LDAP_DEBUG_TRACE,
446 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
447 op->o_noop ? " (no-op)" : "",
455 send_ldap_result( conn, op, rc,
456 NULL, text, NULL, NULL );
458 if( rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
459 ldap_pvt_thread_yield();
460 TXN_CHECKPOINT( bdb->bi_dbenv,
461 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
467 op->o_private = NULL;
471 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);