git.sur5r.net Git - openldap/blob - servers/slapd/back-sql/modrdn.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2007 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 Dmitry Kovalev.
   6  * Portions Copyright 2002 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in the file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Dmitry Kovalev for inclusion
  19  * by OpenLDAP Software.  Additional significant contributors include
  20  * Pierangelo Masarati.
  21  */
  22
  23 #include "portable.h"
  24
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27 #include "ac/string.h"
  28
  29 #include "slap.h"
  30 #include "proto-sql.h"
  31
  32 int
  33 backsql_modrdn( Operation *op, SlapReply *rs )
  34 {
  35         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  36         SQLHDBC                 dbh = SQL_NULL_HDBC;
  37         SQLHSTMT                sth = SQL_NULL_HSTMT;
  38         RETCODE                 rc;
  39         backsql_entryID         e_id = BACKSQL_ENTRYID_INIT,
  40                                 n_id = BACKSQL_ENTRYID_INIT;
  41         backsql_srch_info       bsi = { 0 };
  42         backsql_oc_map_rec      *oc = NULL;
  43         struct berval           pdn = BER_BVNULL, pndn = BER_BVNULL,
  44                                 *new_pdn = NULL, *new_npdn = NULL,
  45                                 new_dn = BER_BVNULL, new_ndn = BER_BVNULL,
  46                                 realnew_dn = BER_BVNULL;
  47         Entry                   r = { 0 },
  48                                 p = { 0 },
  49                                 n = { 0 },
  50                                 *e = NULL;
  51         int                     manageDSAit = get_manageDSAit( op );
  52         struct berval           *newSuperior = op->oq_modrdn.rs_newSup;
  53
  54         Debug( LDAP_DEBUG_TRACE, "==>backsql_modrdn() renaming entry \"%s\", "
  55                         "newrdn=\"%s\", newSuperior=\"%s\"\n",
  56                         op->o_req_dn.bv_val, op->oq_modrdn.rs_newrdn.bv_val,
  57                         newSuperior ? newSuperior->bv_val : "(NULL)" );
  58
  59         rs->sr_err = backsql_get_db_conn( op, &dbh );
  60         if ( rs->sr_err != LDAP_SUCCESS ) {
  61                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
  62                         "could not get connection handle - exiting\n",
  63                         0, 0, 0 );
  64                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  65                         ?  "SQL-backend error" : NULL;
  66                 e = NULL;
  67                 goto done;
  68         }
  69
  70         bsi.bsi_e = &r;
  71         rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
  72                         LDAP_SCOPE_BASE,
  73                         (time_t)(-1), NULL, dbh, op, rs,
  74                         slap_anlist_all_attributes,
  75                         ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
  76         switch ( rs->sr_err ) {
  77         case LDAP_SUCCESS:
  78                 break;
  79
  80         case LDAP_REFERRAL:
  81                 if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
  82                                 dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
  83                 {
  84                         rs->sr_err = LDAP_SUCCESS;
  85                         rs->sr_text = NULL;
  86                         rs->sr_matched = NULL;
  87                         if ( rs->sr_ref ) {
  88                                 ber_bvarray_free( rs->sr_ref );
  89                                 rs->sr_ref = NULL;
  90                         }
  91                         break;
  92                 }
  93                 e = &r;
  94                 /* fallthru */
  95
  96         default:
  97                 Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
  98                         "could not retrieve modrdnDN ID - no such entry\n",
  99                         0, 0, 0 );
 100                 if ( !BER_BVISNULL( &r.e_nname ) ) {
 101                         /* FIXME: should always be true! */
 102                         e = &r;
 103
 104                 } else {
 105                         e = NULL;
 106                 }
 107                 goto done;
 108         }
 109
 110 #ifdef BACKSQL_ARBITRARY_KEY
 111         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): entry id=%s\n",
 112                 e_id.eid_id.bv_val, 0, 0 );
 113 #else /* ! BACKSQL_ARBITRARY_KEY */
 114         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): entry id=%ld\n",
 115                 e_id.eid_id, 0, 0 );
 116 #endif /* ! BACKSQL_ARBITRARY_KEY */
 117
 118         if ( get_assert( op ) &&
 119                         ( test_filter( op, &r, get_assertion( op ) )
 120                           != LDAP_COMPARE_TRUE ) )
 121         {
 122                 rs->sr_err = LDAP_ASSERTION_FAILED;
 123                 e = &r;
 124                 goto done;
 125         }
 126
 127         if ( backsql_has_children( op, dbh, &op->o_req_ndn ) == LDAP_COMPARE_TRUE ) {
 128                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 129                         "entry \"%s\" has children\n",
 130                         op->o_req_dn.bv_val, 0, 0 );
 131                 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 132                 rs->sr_text = "subtree rename not supported";
 133                 e = &r;
 134                 goto done;
 135         }
 136
 137         /*
 138          * Check for entry access to target
 139          */
 140         if ( !access_allowed( op, &r, slap_schema.si_ad_entry,
 141                                 NULL, ACL_WRITE, NULL ) ) {
 142                 Debug( LDAP_DEBUG_TRACE, "   no access to entry\n", 0, 0, 0 );
 143                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 144                 goto done;
 145         }
 146
 147         dnParent( &op->o_req_dn, &pdn );
 148         dnParent( &op->o_req_ndn, &pndn );
 149
 150         /*
 151          * namingContext "" is not supported
 152          */
 153         if ( BER_BVISEMPTY( &pdn ) ) {
 154                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 155                         "parent is \"\" - aborting\n", 0, 0, 0 );
 156                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 157                 rs->sr_text = "not allowed within namingContext";
 158                 e = NULL;
 159                 goto done;
 160         }
 161
 162         /*
 163          * Check for children access to parent
 164          */
 165         bsi.bsi_e = &p;
 166         e_id = bsi.bsi_base_id;
 167         rs->sr_err = backsql_init_search( &bsi, &pndn,
 168                         LDAP_SCOPE_BASE,
 169                         (time_t)(-1), NULL, dbh, op, rs,
 170                         slap_anlist_all_attributes,
 171                         BACKSQL_ISF_GET_ENTRY );
 172
 173 #ifdef BACKSQL_ARBITRARY_KEY
 174         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 175                 "old parent entry id is %s\n",
 176                 bsi.bsi_base_id.eid_id.bv_val, 0, 0 );
 177 #else /* ! BACKSQL_ARBITRARY_KEY */
 178         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 179                 "old parent entry id is %ld\n",
 180                 bsi.bsi_base_id.eid_id, 0, 0 );
 181 #endif /* ! BACKSQL_ARBITRARY_KEY */
 182
 183         if ( rs->sr_err != LDAP_SUCCESS ) {
 184                 Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
 185                         "could not retrieve renameDN ID - no such entry\n",
 186                         0, 0, 0 );
 187                 e = &p;
 188                 goto done;
 189         }
 190
 191         if ( !access_allowed( op, &p, slap_schema.si_ad_children, NULL,
 192                         newSuperior ? ACL_WDEL : ACL_WRITE, NULL ) )
 193         {
 194                 Debug( LDAP_DEBUG_TRACE, "   no access to parent\n", 0, 0, 0 );
 195                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 196                 goto done;
 197         }
 198
 199         if ( newSuperior ) {
 200                 (void)backsql_free_entryID( op, &bsi.bsi_base_id, 0 );
 201
 202                 /*
 203                  * namingContext "" is not supported
 204                  */
 205                 if ( BER_BVISEMPTY( newSuperior ) ) {
 206                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 207                                 "newSuperior is \"\" - aborting\n", 0, 0, 0 );
 208                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 209                         rs->sr_text = "not allowed within namingContext";
 210                         e = NULL;
 211                         goto done;
 212                 }
 213
 214                 new_pdn = newSuperior;
 215                 new_npdn = op->oq_modrdn.rs_nnewSup;
 216
 217                 /*
 218                  * Check for children access to new parent
 219                  */
 220                 bsi.bsi_e = &n;
 221                 rs->sr_err = backsql_init_search( &bsi, new_npdn,
 222                                 LDAP_SCOPE_BASE,
 223                                 (time_t)(-1), NULL, dbh, op, rs,
 224                                 slap_anlist_all_attributes,
 225                                 ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
 226                 if ( rs->sr_err != LDAP_SUCCESS ) {
 227                         Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
 228                                 "could not retrieve renameDN ID - no such entry\n",
 229                                 0, 0, 0 );
 230                         e = &n;
 231                         goto done;
 232                 }
 233
 234                 n_id = bsi.bsi_base_id;
 235
 236 #ifdef BACKSQL_ARBITRARY_KEY
 237                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 238                         "new parent entry id=%s\n",
 239                         n_id.eid_id.bv_val, 0, 0 );
 240 #else /* ! BACKSQL_ARBITRARY_KEY */
 241                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 242                         "new parent entry id=%ld\n",
 243                         n_id.eid_id, 0, 0 );
 244 #endif /* ! BACKSQL_ARBITRARY_KEY */
 245
 246                 if ( !access_allowed( op, &n, slap_schema.si_ad_children,
 247                                         NULL, ACL_WADD, NULL ) ) {
 248                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 249                                         "no access to new parent \"%s\"\n",
 250                                         new_pdn->bv_val, 0, 0 );
 251                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 252                         e = &n;
 253                         goto done;
 254                 }
 255
 256         } else {
 257                 n_id = bsi.bsi_base_id;
 258                 new_pdn = &pdn;
 259                 new_npdn = &pndn;
 260         }
 261
 262         if ( newSuperior && dn_match( &pndn, new_npdn ) ) {
 263                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 264                         "newSuperior is equal to old parent - ignored\n",
 265                         0, 0, 0 );
 266                 newSuperior = NULL;
 267         }
 268
 269         if ( newSuperior && dn_match( &op->o_req_ndn, new_npdn ) ) {
 270                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 271                         "newSuperior is equal to entry being moved "
 272                         "- aborting\n", 0, 0, 0 );
 273                 rs->sr_err = LDAP_OTHER;
 274                 rs->sr_text = "newSuperior is equal to old DN";
 275                 e = &r;
 276                 goto done;
 277         }
 278
 279         build_new_dn( &new_dn, new_pdn, &op->oq_modrdn.rs_newrdn,
 280                         op->o_tmpmemctx );
 281         build_new_dn( &new_ndn, new_npdn, &op->oq_modrdn.rs_nnewrdn,
 282                         op->o_tmpmemctx );
 283
 284         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): new entry dn is \"%s\"\n",
 285                         new_dn.bv_val, 0, 0 );
 286
 287         realnew_dn = new_dn;
 288         if ( backsql_api_dn2odbc( op, rs, &realnew_dn ) ) {
 289                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(\"%s\"): "
 290                         "backsql_api_dn2odbc(\"%s\") failed\n",
 291                         op->o_req_dn.bv_val, realnew_dn.bv_val, 0 );
 292                 SQLFreeStmt( sth, SQL_DROP );
 293
 294                 rs->sr_text = "SQL-backend error";
 295                 rs->sr_err = LDAP_OTHER;
 296                 e = NULL;
 297                 goto done;
 298         }
 299
 300         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 301                 "executing renentry_stmt\n", 0, 0, 0 );
 302
 303         rc = backsql_Prepare( dbh, &sth, bi->sql_renentry_stmt, 0 );
 304         if ( rc != SQL_SUCCESS ) {
 305                 Debug( LDAP_DEBUG_TRACE,
 306                         "   backsql_modrdn(): "
 307                         "error preparing renentry_stmt\n", 0, 0, 0 );
 308                 backsql_PrintErrors( bi->sql_db_env, dbh,
 309                                 sth, rc );
 310
 311                 rs->sr_text = "SQL-backend error";
 312                 rs->sr_err = LDAP_OTHER;
 313                 e = NULL;
 314                 goto done;
 315         }
 316
 317         rc = backsql_BindParamBerVal( sth, 1, SQL_PARAM_INPUT, &realnew_dn );
 318         if ( rc != SQL_SUCCESS ) {
 319                 Debug( LDAP_DEBUG_TRACE,
 320                         "   backsql_add_attr(): "
 321                         "error binding DN parameter for objectClass %s\n",
 322                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 323                 backsql_PrintErrors( bi->sql_db_env, dbh,
 324                         sth, rc );
 325                 SQLFreeStmt( sth, SQL_DROP );
 326
 327                 rs->sr_text = "SQL-backend error";
 328                 rs->sr_err = LDAP_OTHER;
 329                 e = NULL;
 330                 goto done;
 331         }
 332
 333         rc = backsql_BindParamID( sth, 2, SQL_PARAM_INPUT, &n_id.eid_id );
 334         if ( rc != SQL_SUCCESS ) {
 335                 Debug( LDAP_DEBUG_TRACE,
 336                         "   backsql_add_attr(): "
 337                         "error binding parent ID parameter for objectClass %s\n",
 338                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 339                 backsql_PrintErrors( bi->sql_db_env, dbh,
 340                         sth, rc );
 341                 SQLFreeStmt( sth, SQL_DROP );
 342
 343                 rs->sr_text = "SQL-backend error";
 344                 rs->sr_err = LDAP_OTHER;
 345                 e = NULL;
 346                 goto done;
 347         }
 348
 349         rc = backsql_BindParamID( sth, 3, SQL_PARAM_INPUT, &e_id.eid_keyval );
 350         if ( rc != SQL_SUCCESS ) {
 351                 Debug( LDAP_DEBUG_TRACE,
 352                         "   backsql_add_attr(): "
 353                         "error binding entry ID parameter for objectClass %s\n",
 354                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 355                 backsql_PrintErrors( bi->sql_db_env, dbh,
 356                         sth, rc );
 357                 SQLFreeStmt( sth, SQL_DROP );
 358
 359                 rs->sr_text = "SQL-backend error";
 360                 rs->sr_err = LDAP_OTHER;
 361                 e = NULL;
 362                 goto done;
 363         }
 364
 365         rc = backsql_BindParamID( sth, 4, SQL_PARAM_INPUT, &e_id.eid_id );
 366         if ( rc != SQL_SUCCESS ) {
 367                 Debug( LDAP_DEBUG_TRACE,
 368                         "   backsql_add_attr(): "
 369                         "error binding ID parameter for objectClass %s\n",
 370                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 371                 backsql_PrintErrors( bi->sql_db_env, dbh,
 372                         sth, rc );
 373                 SQLFreeStmt( sth, SQL_DROP );
 374
 375                 rs->sr_text = "SQL-backend error";
 376                 rs->sr_err = LDAP_OTHER;
 377                 e = NULL;
 378                 goto done;
 379         }
 380
 381         rc = SQLExecute( sth );
 382         if ( rc != SQL_SUCCESS ) {
 383                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 384                         "could not rename ldap_entries record\n", 0, 0, 0 );
 385                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 386                 SQLFreeStmt( sth, SQL_DROP );
 387                 rs->sr_err = LDAP_OTHER;
 388                 rs->sr_text = "SQL-backend error";
 389                 e = NULL;
 390                 goto done;
 391         }
 392         SQLFreeStmt( sth, SQL_DROP );
 393
 394         assert( op->orr_modlist != NULL );
 395
 396         slap_mods_opattrs( op, &op->orr_modlist, 1 );
 397
 398         oc = backsql_id2oc( bi, e_id.eid_oc_id );
 399         rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, &e_id, op->orr_modlist );
 400         slap_graduate_commit_csn( op );
 401         if ( rs->sr_err != LDAP_SUCCESS ) {
 402                 e = &r;
 403                 goto done;
 404         }
 405
 406         if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
 407                 char            textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };
 408
 409                 backsql_entry_clean( op, &r );
 410                 (void)backsql_free_entryID( op, &e_id, 0 );
 411
 412                 bsi.bsi_e = &r;
 413                 rs->sr_err = backsql_init_search( &bsi, &new_ndn,
 414                                 LDAP_SCOPE_BASE,
 415                                 (time_t)(-1), NULL, dbh, op, rs,
 416                                 slap_anlist_all_attributes,
 417                                 ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
 418                 switch ( rs->sr_err ) {
 419                 case LDAP_SUCCESS:
 420                         break;
 421
 422                 case LDAP_REFERRAL:
 423                         if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
 424                                         dn_match( &new_ndn, &bsi.bsi_e->e_nname ) )
 425                         {
 426                                 rs->sr_err = LDAP_SUCCESS;
 427                                 rs->sr_text = NULL;
 428                                 rs->sr_matched = NULL;
 429                                 if ( rs->sr_ref ) {
 430                                         ber_bvarray_free( rs->sr_ref );
 431                                         rs->sr_ref = NULL;
 432                                 }
 433                                 break;
 434                         }
 435                         e = &r;
 436                         /* fallthru */
 437
 438                 default:
 439                         Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
 440                                 "could not retrieve modrdnDN ID - no such entry\n",
 441                                 0, 0, 0 );
 442                         if ( !BER_BVISNULL( &r.e_nname ) ) {
 443                                 /* FIXME: should always be true! */
 444                                 e = &r;
 445
 446                         } else {
 447                                 e = NULL;
 448                         }
 449                         goto done;
 450                 }
 451
 452                 e_id = bsi.bsi_base_id;
 453
 454                 rs->sr_err = entry_schema_check( op, &r, NULL, 0, 0,
 455                         &rs->sr_text, textbuf, sizeof( textbuf ) );
 456                 if ( rs->sr_err != LDAP_SUCCESS ) {
 457                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(\"%s\"): "
 458                                 "entry failed schema check -- aborting\n",
 459                                 r.e_name.bv_val, 0, 0 );
 460                         e = NULL;
 461                         goto done;
 462                 }
 463         }
 464
 465 done:;
 466         if ( e != NULL ) {
 467                 if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
 468                                         ACL_DISCLOSE, NULL ) )
 469                 {
 470                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 471                         rs->sr_text = NULL;
 472                         rs->sr_matched = NULL;
 473                         if ( rs->sr_ref ) {
 474                                 ber_bvarray_free( rs->sr_ref );
 475                                 rs->sr_ref = NULL;
 476                         }
 477                 }
 478         }
 479
 480         /*
 481          * Commit only if all operations succeed
 482          */
 483         if ( sth != SQL_NULL_HSTMT ) {
 484                 SQLUSMALLINT    CompletionType = SQL_ROLLBACK;
 485
 486                 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 487                         CompletionType = SQL_COMMIT;
 488                 }
 489
 490                 SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
 491         }
 492
 493         if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
 494                 rs->sr_err = LDAP_X_NO_OPERATION;
 495         }
 496
 497         send_ldap_result( op, rs );
 498         slap_graduate_commit_csn( op );
 499
 500         if ( !BER_BVISNULL( &realnew_dn ) && realnew_dn.bv_val != new_dn.bv_val ) {
 501                 ch_free( realnew_dn.bv_val );
 502         }
 503
 504         if ( !BER_BVISNULL( &new_dn ) ) {
 505                 slap_sl_free( new_dn.bv_val, op->o_tmpmemctx );
 506         }
 507
 508         if ( !BER_BVISNULL( &new_ndn ) ) {
 509                 slap_sl_free( new_ndn.bv_val, op->o_tmpmemctx );
 510         }
 511
 512         if ( !BER_BVISNULL( &e_id.eid_ndn ) ) {
 513                 (void)backsql_free_entryID( op, &e_id, 0 );
 514         }
 515
 516         if ( !BER_BVISNULL( &n_id.eid_ndn ) ) {
 517                 (void)backsql_free_entryID( op, &n_id, 0 );
 518         }
 519
 520         if ( !BER_BVISNULL( &r.e_nname ) ) {
 521                 backsql_entry_clean( op, &r );
 522         }
 523
 524         if ( !BER_BVISNULL( &p.e_nname ) ) {
 525                 backsql_entry_clean( op, &p );
 526         }
 527
 528         if ( !BER_BVISNULL( &n.e_nname ) ) {
 529                 backsql_entry_clean( op, &n );
 530         }
 531
 532         if ( rs->sr_ref ) {
 533                 ber_bvarray_free( rs->sr_ref );
 534                 rs->sr_ref = NULL;
 535         }
 536
 537         Debug( LDAP_DEBUG_TRACE, "<==backsql_modrdn()\n", 0, 0, 0 );
 538
 539         return rs->sr_err;
 540 }
 541