git.sur5r.net Git - openldap/blob - servers/slapd/back-bdb/add.c

   1 /* add.c - ldap BerkeleyDB back-end add routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2004 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21
  22 #include "back-bdb.h"
  23 #include "external.h"
  24
  25 int
  26 bdb_add(Operation *op, SlapReply *rs )
  27 {
  28         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
  29         struct berval   pdn;
  30         Entry           *p;
  31         EntryInfo       *ei;
  32         char textbuf[SLAP_TEXT_BUFLEN];
  33         size_t textlen = sizeof textbuf;
  34         AttributeDescription *children = slap_schema.si_ad_children;
  35         AttributeDescription *entry = slap_schema.si_ad_entry;
  36         DB_TXN          *ltid = NULL, *lt2;
  37         struct bdb_op_info opinfo;
  38 #ifdef BDB_SUBENTRIES
  39         int subentry;
  40 #endif
  41         u_int32_t       locker = 0;
  42         DB_LOCK         lock;
  43
  44         int             num_retries = 0;
  45
  46         Operation* ps_list;
  47         int             rc;
  48         EntryInfo       *suffix_ei = NULL;
  49         Entry           *ctxcsn_e;
  50         int                     ctxcsn_added = 0;
  51
  52         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  53         int num_ctrls = 0;
  54
  55 #ifdef NEW_LOGGING
  56         LDAP_LOG ( OPERATION, ARGS, "==> bdb_add: %s\n",
  57                 op->oq_add.rs_e->e_name.bv_val, 0, 0 );
  58 #else
  59         Debug(LDAP_DEBUG_ARGS, "==> bdb_add: %s\n",
  60                 op->oq_add.rs_e->e_name.bv_val, 0, 0);
  61 #endif
  62
  63         /* check entry's schema */
  64         rs->sr_err = entry_schema_check( op->o_bd, op->oq_add.rs_e,
  65                 NULL, &rs->sr_text, textbuf, textlen );
  66         if ( rs->sr_err != LDAP_SUCCESS ) {
  67 #ifdef NEW_LOGGING
  68                 LDAP_LOG ( OPERATION, ERR,
  69                         "bdb_add: entry failed schema check: %s (%d)\n",
  70                         rs->sr_text, rs->sr_err, 0 );
  71 #else
  72                 Debug( LDAP_DEBUG_TRACE,
  73                         "bdb_add: entry failed schema check: %s (%d)\n",
  74                         rs->sr_text, rs->sr_err, 0 );
  75 #endif
  76                 goto return_results;
  77         }
  78
  79 #ifdef BDB_SUBENTRIES
  80         subentry = is_entry_subentry( op->oq_add.rs_e );
  81 #endif
  82
  83         /*
  84          * acquire an ID outside of the operation transaction
  85          * to avoid serializing adds.
  86          */
  87         rs->sr_err = bdb_next_id( op->o_bd, NULL, &op->oq_add.rs_e->e_id );
  88         if( rs->sr_err != 0 ) {
  89 #ifdef NEW_LOGGING
  90                 LDAP_LOG ( OPERATION, ERR,
  91                         "bdb_add: next_id failed (%d)\n", rs->sr_err, 0, 0 );
  92 #else
  93                 Debug( LDAP_DEBUG_TRACE,
  94                         "bdb_add: next_id failed (%d)\n", rs->sr_err, 0, 0 );
  95 #endif
  96                 rs->sr_err = LDAP_OTHER;
  97                 rs->sr_text = "internal error";
  98                 goto return_results;
  99         }
 100
 101         if( 0 ) {
 102 retry:  /* transaction retry */
 103                 if( p ) {
 104                         /* free parent and reader lock */
 105                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
 106                         p = NULL;
 107                 }
 108                 rs->sr_err = TXN_ABORT( ltid );
 109                 ltid = NULL;
 110                 op->o_private = NULL;
 111                 op->o_do_not_cache = opinfo.boi_acl_cache;
 112                 if( rs->sr_err != 0 ) {
 113                         rs->sr_err = LDAP_OTHER;
 114                         rs->sr_text = "internal error";
 115                         goto return_results;
 116                 }
 117                 ldap_pvt_thread_yield();
 118                 bdb_trans_backoff( ++num_retries );
 119         }
 120
 121         /* begin transaction */
 122         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 123                 bdb->bi_db_opflags );
 124         rs->sr_text = NULL;
 125         if( rs->sr_err != 0 ) {
 126 #ifdef NEW_LOGGING
 127                 LDAP_LOG ( OPERATION, ERR,
 128                         "bdb_add: txn_begin failed: %s (%d)\n",
 129                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 130 #else
 131                 Debug( LDAP_DEBUG_TRACE,
 132                         "bdb_add: txn_begin failed: %s (%d)\n",
 133                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 134 #endif
 135                 rs->sr_err = LDAP_OTHER;
 136                 rs->sr_text = "internal error";
 137                 goto return_results;
 138         }
 139
 140         locker = TXN_ID ( ltid );
 141
 142         opinfo.boi_bdb = op->o_bd;
 143         opinfo.boi_txn = ltid;
 144         opinfo.boi_locker = locker;
 145         opinfo.boi_err = 0;
 146         opinfo.boi_acl_cache = op->o_do_not_cache;
 147         op->o_private = &opinfo;
 148
 149         /*
 150          * Get the parent dn and see if the corresponding entry exists.
 151          */
 152         if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
 153                 pdn = slap_empty_bv;
 154         } else {
 155                 dnParent( &op->oq_add.rs_e->e_nname, &pdn );
 156         }
 157
 158         /* get entry or parent */
 159         rs->sr_err = bdb_dn2entry( op, ltid, &op->ora_e->e_nname, &ei,
 160                 1, locker, &lock );
 161         switch( rs->sr_err ) {
 162         case 0:
 163                 rs->sr_err = LDAP_ALREADY_EXISTS;
 164                 goto return_results;
 165         case DB_NOTFOUND:
 166                 break;
 167         case DB_LOCK_DEADLOCK:
 168         case DB_LOCK_NOTGRANTED:
 169                 goto retry;
 170         case LDAP_BUSY:
 171                 rs->sr_text = "ldap server busy";
 172                 goto return_results;
 173         default:
 174                 rs->sr_err = LDAP_OTHER;
 175                 rs->sr_text = "internal error";
 176                 goto return_results;
 177         }
 178
 179         p = ei->bei_e;
 180         if ( p ) {
 181                 if ( !bvmatch( &pdn, &p->e_nname ) ) {
 182                         rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
 183                                 op->o_tmpmemctx );
 184                         rs->sr_ref = is_entry_referral( p )
 185                                 ? get_entry_referrals( op, p )
 186                                 : NULL;
 187                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
 188                         p = NULL;
 189 #ifdef NEW_LOGGING
 190                         LDAP_LOG ( OPERATION, DETAIL1, "bdb_add: parent does not exist\n",
 191                                 0, 0, 0 );
 192 #else
 193                         Debug( LDAP_DEBUG_TRACE, "bdb_add: parent does not exist\n",
 194                                 0, 0, 0 );
 195 #endif
 196
 197                         rs->sr_err = LDAP_REFERRAL;
 198                         send_ldap_result( op, rs );
 199
 200                         ber_bvarray_free( rs->sr_ref );
 201                         op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
 202                         rs->sr_ref = NULL;
 203                         rs->sr_matched = NULL;
 204
 205                         goto done;
 206                 }
 207
 208                 rs->sr_err = access_allowed( op, p,
 209                         children, NULL, ACL_WRITE, NULL );
 210
 211                 if ( ! rs->sr_err ) {
 212                         switch( opinfo.boi_err ) {
 213                         case DB_LOCK_DEADLOCK:
 214                         case DB_LOCK_NOTGRANTED:
 215                                 goto retry;
 216                         }
 217
 218 #ifdef NEW_LOGGING
 219                         LDAP_LOG ( OPERATION, DETAIL1,
 220                                 "bdb_add: no write access to parent\n", 0, 0, 0 );
 221 #else
 222                         Debug( LDAP_DEBUG_TRACE,
 223                                 "bdb_add: no write access to parent\n", 0, 0, 0 );
 224 #endif
 225                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 226                         rs->sr_text = "no write access to parent";
 227                         goto return_results;;
 228                 }
 229
 230 #ifdef BDB_SUBENTRIES
 231                 if ( is_entry_subentry( p ) ) {
 232                         /* parent is a subentry, don't allow add */
 233 #ifdef NEW_LOGGING
 234                         LDAP_LOG ( OPERATION, DETAIL1,
 235                                 "bdb_add: parent is subentry\n", 0, 0, 0 );
 236 #else
 237                         Debug( LDAP_DEBUG_TRACE, "bdb_add: parent is subentry\n",
 238                                 0, 0, 0 );
 239 #endif
 240                         rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
 241                         rs->sr_text = "parent is a subentry";
 242                         goto return_results;;
 243                 }
 244 #endif
 245 #ifdef BDB_ALIASES
 246                 if ( is_entry_alias( p ) ) {
 247                         /* parent is an alias, don't allow add */
 248 #ifdef NEW_LOGGING
 249                         LDAP_LOG ( OPERATION, DETAIL1,
 250                                 "bdb_add: parent is alias\n", 0, 0, 0 );
 251 #else
 252                         Debug( LDAP_DEBUG_TRACE, "bdb_add: parent is alias\n",
 253                                 0, 0, 0 );
 254 #endif
 255                         rs->sr_err = LDAP_ALIAS_PROBLEM;
 256                         rs->sr_text = "parent is an alias";
 257                         goto return_results;;
 258                 }
 259 #endif
 260
 261                 if ( is_entry_referral( p ) ) {
 262                         /* parent is a referral, don't allow add */
 263                         rs->sr_matched = p->e_name.bv_val;
 264                         rs->sr_ref = get_entry_referrals( op, p );
 265
 266 #ifdef NEW_LOGGING
 267                         LDAP_LOG ( OPERATION, DETAIL1,
 268                                 "bdb_add: parent is referral\n", 0, 0, 0 );
 269 #else
 270                         Debug( LDAP_DEBUG_TRACE, "bdb_add: parent is referral\n",
 271                                 0, 0, 0 );
 272 #endif
 273
 274                         rs->sr_err = LDAP_REFERRAL;
 275                         send_ldap_result( op, rs );
 276
 277                         ber_bvarray_free( rs->sr_ref );
 278                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
 279                         rs->sr_ref = NULL;
 280                         rs->sr_matched = NULL;
 281                         p = NULL;
 282                         goto done;
 283                 }
 284
 285 #ifdef BDB_SUBENTRIES
 286                 if ( subentry ) {
 287                         /* FIXME: */
 288                         /* parent must be an administrative point of the required kind */
 289                 }
 290 #endif
 291
 292                 /* free parent and reader lock */
 293                 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
 294                 p = NULL;
 295
 296         } else {
 297                 /*
 298                  * no parent!
 299                  *  if not attempting to add entry at suffix or with parent ""
 300                  */
 301                 if (( !be_isroot( op->o_bd, &op->o_ndn ) || pdn.bv_len > 0 )
 302                         && !is_entry_glue( op->oq_add.rs_e ))
 303                 {
 304 #ifdef NEW_LOGGING
 305                         LDAP_LOG ( OPERATION, DETAIL1, "bdb_add: %s denied\n",
 306                                 pdn.bv_len == 0 ? "suffix" : "entry at root", 0, 0 );
 307 #else
 308                         Debug( LDAP_DEBUG_TRACE, "bdb_add: %s denied\n",
 309                                 pdn.bv_len == 0 ? "suffix" : "entry at root",
 310                                 0, 0 );
 311 #endif
 312                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 313                         goto return_results;
 314                 }
 315         }
 316
 317         if ( get_assert( op ) &&
 318                 ( test_filter( op, op->oq_add.rs_e, get_assertion( op ))
 319                         != LDAP_COMPARE_TRUE ))
 320         {
 321                 rs->sr_err = LDAP_ASSERTION_FAILED;
 322                 goto return_results;
 323         }
 324
 325         rs->sr_err = access_allowed( op, op->oq_add.rs_e,
 326                 entry, NULL, ACL_WRITE, NULL );
 327
 328         if ( ! rs->sr_err ) {
 329                 switch( opinfo.boi_err ) {
 330                 case DB_LOCK_DEADLOCK:
 331                 case DB_LOCK_NOTGRANTED:
 332                         goto retry;
 333                 }
 334
 335 #ifdef NEW_LOGGING
 336                 LDAP_LOG ( OPERATION, DETAIL1,
 337                         "bdb_add: no write access to entry\n", 0, 0, 0 );
 338 #else
 339                 Debug( LDAP_DEBUG_TRACE, "bdb_add: no write access to entry\n",
 340                         0, 0, 0 );
 341 #endif
 342                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 343                 rs->sr_text = "no write access to entry";
 344                 goto return_results;;
 345         }
 346
 347         /* post-read */
 348         if( op->o_postread ) {
 349                 if ( slap_read_controls( op, rs, op->oq_add.rs_e,
 350                         &slap_post_read_bv, &ctrls[num_ctrls] ) )
 351                 {
 352 #ifdef NEW_LOGGING
 353                         LDAP_LOG ( OPERATION, DETAIL1,
 354                                 "<=- bdb_add: post-read failed!\n", 0, 0, 0 );
 355 #else
 356                         Debug( LDAP_DEBUG_TRACE,
 357                                 "<=- bdb_add: post-read failed!\n", 0, 0, 0 );
 358 #endif
 359                         goto return_results;
 360                 }
 361                 ctrls[++num_ctrls] = NULL;
 362         }
 363
 364         /* nested transaction */
 365         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 366                 bdb->bi_db_opflags );
 367         rs->sr_text = NULL;
 368         if( rs->sr_err != 0 ) {
 369 #ifdef NEW_LOGGING
 370                 LDAP_LOG ( OPERATION, ERR,
 371                         "bdb_add: txn_begin(2) failed: %s (%d)\n",
 372                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 373 #else
 374                 Debug( LDAP_DEBUG_TRACE,
 375                         "bdb_add: txn_begin(2) failed: %s (%d)\n",
 376                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 377 #endif
 378                 rs->sr_err = LDAP_OTHER;
 379                 rs->sr_text = "internal error";
 380                 goto return_results;
 381         }
 382
 383         /* dn2id index */
 384         rs->sr_err = bdb_dn2id_add( op, lt2, ei, op->oq_add.rs_e );
 385         if ( rs->sr_err != 0 ) {
 386 #ifdef NEW_LOGGING
 387                 LDAP_LOG ( OPERATION, ERR,
 388                         "bdb_add: dn2id_add failed: %s (%d)\n",
 389                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 390 #else
 391                 Debug( LDAP_DEBUG_TRACE, "bdb_add: dn2id_add failed: %s (%d)\n",
 392                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 393 #endif
 394
 395                 switch( rs->sr_err ) {
 396                 case DB_LOCK_DEADLOCK:
 397                 case DB_LOCK_NOTGRANTED:
 398                         goto retry;
 399                 case DB_KEYEXIST:
 400                         rs->sr_err = LDAP_ALREADY_EXISTS;
 401                         break;
 402                 default:
 403                         rs->sr_err = LDAP_OTHER;
 404                 }
 405                 goto return_results;
 406         }
 407
 408         /* id2entry index */
 409         rs->sr_err = bdb_id2entry_add( op->o_bd, lt2, op->oq_add.rs_e );
 410         if ( rs->sr_err != 0 ) {
 411 #ifdef NEW_LOGGING
 412                 LDAP_LOG ( OPERATION, ERR, "bdb_add: id2entry_add failed\n", 0, 0, 0 );
 413 #else
 414                 Debug( LDAP_DEBUG_TRACE, "bdb_add: id2entry_add failed\n",
 415                         0, 0, 0 );
 416 #endif
 417                 switch( rs->sr_err ) {
 418                 case DB_LOCK_DEADLOCK:
 419                 case DB_LOCK_NOTGRANTED:
 420                         goto retry;
 421                 default:
 422                         rs->sr_err = LDAP_OTHER;
 423                 }
 424                 rs->sr_text = "entry store failed";
 425                 goto return_results;
 426         }
 427
 428         /* attribute indexes */
 429         rs->sr_err = bdb_index_entry_add( op, lt2, op->oq_add.rs_e );
 430         if ( rs->sr_err != LDAP_SUCCESS ) {
 431 #ifdef NEW_LOGGING
 432                 LDAP_LOG ( OPERATION, ERR,
 433                         "bdb_add: index_entry_add failed\n", 0, 0, 0 );
 434 #else
 435                 Debug( LDAP_DEBUG_TRACE, "bdb_add: index_entry_add failed\n",
 436                         0, 0, 0 );
 437 #endif
 438                 switch( rs->sr_err ) {
 439                 case DB_LOCK_DEADLOCK:
 440                 case DB_LOCK_NOTGRANTED:
 441                         goto retry;
 442                 default:
 443                         rs->sr_err = LDAP_OTHER;
 444                 }
 445                 rs->sr_text = "index generation failed";
 446                 goto return_results;
 447         }
 448         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 449                 rs->sr_err = LDAP_OTHER;
 450                 rs->sr_text = "txn_commit(2) failed";
 451                 goto return_results;
 452         }
 453
 454         if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 455                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 456                         &ctxcsn_e, &ctxcsn_added, locker );
 457                 switch ( rc ) {
 458                 case BDB_CSN_ABORT :
 459                         goto return_results;
 460                 case BDB_CSN_RETRY :
 461                         goto retry;
 462                 }
 463         }
 464
 465         if ( op->o_noop ) {
 466                 if (( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
 467                         rs->sr_text = "txn_abort (no-op) failed";
 468                 } else {
 469                         rs->sr_err = LDAP_NO_OPERATION;
 470                         goto return_results;
 471                 }
 472
 473         } else {
 474                 struct berval nrdn;
 475                 Entry *e = entry_dup( op->ora_e );
 476
 477                 if (pdn.bv_len) {
 478                         nrdn.bv_val = e->e_nname.bv_val;
 479                         nrdn.bv_len = pdn.bv_val - op->ora_e->e_nname.bv_val - 1;
 480                 } else {
 481                         nrdn = e->e_nname;
 482                 }
 483
 484                 bdb_cache_add( bdb, ei, e, &nrdn, locker );
 485
 486                 if ( suffix_ei == NULL ) {
 487                         suffix_ei = BEI(e);
 488                 }
 489
 490                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 491                         if ( ctxcsn_added ) {
 492                                 bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
 493                                         (struct berval *)&slap_ldapsync_cn_bv, locker );
 494                         }
 495                 }
 496
 497                 if ( rs->sr_err == LDAP_SUCCESS && !op->o_no_psearch ) {
 498                         ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
 499                         assert( BEI(e) );
 500                         LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 501                                 bdb_psearch( op, rs, ps_list, e,
 502                                         LDAP_PSEARCH_BY_ADD );
 503                         }
 504                         ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
 505                 }
 506
 507                 if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
 508                         rs->sr_text = "txn_commit failed";
 509                 } else {
 510                         rs->sr_err = LDAP_SUCCESS;
 511                 }
 512         }
 513
 514         ltid = NULL;
 515         op->o_private = NULL;
 516
 517         if ( rs->sr_err != LDAP_SUCCESS ) {
 518 #ifdef NEW_LOGGING
 519                 LDAP_LOG ( OPERATION, ERR, "bdb_add: %s : %s (%d)\n",
 520                         rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
 521 #else
 522                 Debug( LDAP_DEBUG_TRACE, "bdb_add: %s : %s (%d)\n",
 523                         rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
 524 #endif
 525                 rs->sr_err = LDAP_OTHER;
 526                 goto return_results;
 527         }
 528
 529 #ifdef NEW_LOGGING
 530         LDAP_LOG ( OPERATION, RESULTS,
 531                 "bdb_add: added%s id=%08lx dn=\"%s\"\n",
 532                 op->o_noop ? " (no-op)" : "",
 533                 op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
 534 #else
 535         Debug(LDAP_DEBUG_TRACE, "bdb_add: added%s id=%08lx dn=\"%s\"\n",
 536                 op->o_noop ? " (no-op)" : "",
 537                 op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
 538 #endif
 539
 540         rs->sr_text = NULL;
 541         if( num_ctrls ) rs->sr_ctrls = ctrls;
 542
 543 return_results:
 544         send_ldap_result( op, rs );
 545
 546         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 547                 ldap_pvt_thread_yield();
 548                 TXN_CHECKPOINT( bdb->bi_dbenv,
 549                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 550         }
 551
 552 done:
 553         if( ltid != NULL ) {
 554                 TXN_ABORT( ltid );
 555                 op->o_private = NULL;
 556         }
 557
 558         return rs->sr_err;
 559 }