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 1999-2018 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 | BACKSQL_ISF_GET_OC ) );
  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         Debug( LDAP_DEBUG_TRACE,
 111                 "   backsql_modrdn(): entry id=" BACKSQL_IDFMT "\n",
 112                 BACKSQL_IDARG(e_id.eid_id), 0, 0 );
 113
 114         if ( get_assert( op ) &&
 115                         ( test_filter( op, &r, get_assertion( op ) )
 116                           != LDAP_COMPARE_TRUE ) )
 117         {
 118                 rs->sr_err = LDAP_ASSERTION_FAILED;
 119                 e = &r;
 120                 goto done;
 121         }
 122
 123         if ( backsql_has_children( op, dbh, &op->o_req_ndn ) == LDAP_COMPARE_TRUE ) {
 124                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 125                         "entry \"%s\" has children\n",
 126                         op->o_req_dn.bv_val, 0, 0 );
 127                 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 128                 rs->sr_text = "subtree rename not supported";
 129                 e = &r;
 130                 goto done;
 131         }
 132
 133         /*
 134          * Check for entry access to target
 135          */
 136         if ( !access_allowed( op, &r, slap_schema.si_ad_entry,
 137                                 NULL, ACL_WRITE, NULL ) ) {
 138                 Debug( LDAP_DEBUG_TRACE, "   no access to entry\n", 0, 0, 0 );
 139                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 140                 goto done;
 141         }
 142
 143         dnParent( &op->o_req_dn, &pdn );
 144         dnParent( &op->o_req_ndn, &pndn );
 145
 146         /*
 147          * namingContext "" is not supported
 148          */
 149         if ( BER_BVISEMPTY( &pdn ) ) {
 150                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 151                         "parent is \"\" - aborting\n", 0, 0, 0 );
 152                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 153                 rs->sr_text = "not allowed within namingContext";
 154                 e = NULL;
 155                 goto done;
 156         }
 157
 158         /*
 159          * Check for children access to parent
 160          */
 161         bsi.bsi_e = &p;
 162         e_id = bsi.bsi_base_id;
 163         memset( &bsi.bsi_base_id, 0, sizeof( bsi.bsi_base_id ) );
 164         rs->sr_err = backsql_init_search( &bsi, &pndn,
 165                         LDAP_SCOPE_BASE,
 166                         (time_t)(-1), NULL, dbh, op, rs,
 167                         slap_anlist_all_attributes,
 168                         BACKSQL_ISF_GET_ENTRY );
 169
 170         Debug( LDAP_DEBUG_TRACE,
 171                 "   backsql_modrdn(): old parent entry id is " BACKSQL_IDFMT "\n",
 172                 BACKSQL_IDARG(bsi.bsi_base_id.eid_id), 0, 0 );
 173
 174         if ( rs->sr_err != LDAP_SUCCESS ) {
 175                 Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
 176                         "could not retrieve renameDN ID - no such entry\n",
 177                         0, 0, 0 );
 178                 e = &p;
 179                 goto done;
 180         }
 181
 182         if ( !access_allowed( op, &p, slap_schema.si_ad_children, NULL,
 183                         newSuperior ? ACL_WDEL : ACL_WRITE, NULL ) )
 184         {
 185                 Debug( LDAP_DEBUG_TRACE, "   no access to parent\n", 0, 0, 0 );
 186                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 187                 goto done;
 188         }
 189
 190         if ( newSuperior ) {
 191                 (void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
 192
 193                 /*
 194                  * namingContext "" is not supported
 195                  */
 196                 if ( BER_BVISEMPTY( newSuperior ) ) {
 197                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 198                                 "newSuperior is \"\" - aborting\n", 0, 0, 0 );
 199                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 200                         rs->sr_text = "not allowed within namingContext";
 201                         e = NULL;
 202                         goto done;
 203                 }
 204
 205                 new_pdn = newSuperior;
 206                 new_npdn = op->oq_modrdn.rs_nnewSup;
 207
 208                 /*
 209                  * Check for children access to new parent
 210                  */
 211                 bsi.bsi_e = &n;
 212                 rs->sr_err = backsql_init_search( &bsi, new_npdn,
 213                                 LDAP_SCOPE_BASE,
 214                                 (time_t)(-1), NULL, dbh, op, rs,
 215                                 slap_anlist_all_attributes,
 216                                 ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
 217                 if ( rs->sr_err != LDAP_SUCCESS ) {
 218                         Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
 219                                 "could not retrieve renameDN ID - no such entry\n",
 220                                 0, 0, 0 );
 221                         e = &n;
 222                         goto done;
 223                 }
 224
 225                 n_id = bsi.bsi_base_id;
 226
 227                 Debug( LDAP_DEBUG_TRACE,
 228                         "   backsql_modrdn(): new parent entry id=" BACKSQL_IDFMT "\n",
 229                         BACKSQL_IDARG(n_id.eid_id), 0, 0 );
 230
 231                 if ( !access_allowed( op, &n, slap_schema.si_ad_children,
 232                                         NULL, ACL_WADD, NULL ) ) {
 233                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 234                                         "no access to new parent \"%s\"\n",
 235                                         new_pdn->bv_val, 0, 0 );
 236                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 237                         e = &n;
 238                         goto done;
 239                 }
 240
 241         } else {
 242                 n_id = bsi.bsi_base_id;
 243                 new_pdn = &pdn;
 244                 new_npdn = &pndn;
 245         }
 246
 247         memset( &bsi.bsi_base_id, 0, sizeof( bsi.bsi_base_id ) );
 248
 249         if ( newSuperior && dn_match( &pndn, new_npdn ) ) {
 250                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 251                         "newSuperior is equal to old parent - ignored\n",
 252                         0, 0, 0 );
 253                 newSuperior = NULL;
 254         }
 255
 256         if ( newSuperior && dn_match( &op->o_req_ndn, new_npdn ) ) {
 257                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 258                         "newSuperior is equal to entry being moved "
 259                         "- aborting\n", 0, 0, 0 );
 260                 rs->sr_err = LDAP_OTHER;
 261                 rs->sr_text = "newSuperior is equal to old DN";
 262                 e = &r;
 263                 goto done;
 264         }
 265
 266         build_new_dn( &new_dn, new_pdn, &op->oq_modrdn.rs_newrdn,
 267                         op->o_tmpmemctx );
 268         build_new_dn( &new_ndn, new_npdn, &op->oq_modrdn.rs_nnewrdn,
 269                         op->o_tmpmemctx );
 270
 271         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): new entry dn is \"%s\"\n",
 272                         new_dn.bv_val, 0, 0 );
 273
 274         realnew_dn = new_dn;
 275         if ( backsql_api_dn2odbc( op, rs, &realnew_dn ) ) {
 276                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(\"%s\"): "
 277                         "backsql_api_dn2odbc(\"%s\") failed\n",
 278                         op->o_req_dn.bv_val, realnew_dn.bv_val, 0 );
 279                 SQLFreeStmt( sth, SQL_DROP );
 280
 281                 rs->sr_text = "SQL-backend error";
 282                 rs->sr_err = LDAP_OTHER;
 283                 e = NULL;
 284                 goto done;
 285         }
 286
 287         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 288                 "executing renentry_stmt\n", 0, 0, 0 );
 289
 290         rc = backsql_Prepare( dbh, &sth, bi->sql_renentry_stmt, 0 );
 291         if ( rc != SQL_SUCCESS ) {
 292                 Debug( LDAP_DEBUG_TRACE,
 293                         "   backsql_modrdn(): "
 294                         "error preparing renentry_stmt\n", 0, 0, 0 );
 295                 backsql_PrintErrors( bi->sql_db_env, dbh,
 296                                 sth, rc );
 297
 298                 rs->sr_text = "SQL-backend error";
 299                 rs->sr_err = LDAP_OTHER;
 300                 e = NULL;
 301                 goto done;
 302         }
 303
 304         rc = backsql_BindParamBerVal( sth, 1, SQL_PARAM_INPUT, &realnew_dn );
 305         if ( rc != SQL_SUCCESS ) {
 306                 Debug( LDAP_DEBUG_TRACE,
 307                         "   backsql_modrdn(): "
 308                         "error binding DN parameter for objectClass %s\n",
 309                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 310                 backsql_PrintErrors( bi->sql_db_env, dbh,
 311                         sth, rc );
 312                 SQLFreeStmt( sth, SQL_DROP );
 313
 314                 rs->sr_text = "SQL-backend error";
 315                 rs->sr_err = LDAP_OTHER;
 316                 e = NULL;
 317                 goto done;
 318         }
 319
 320         rc = backsql_BindParamID( sth, 2, SQL_PARAM_INPUT, &n_id.eid_id );
 321         if ( rc != SQL_SUCCESS ) {
 322                 Debug( LDAP_DEBUG_TRACE,
 323                         "   backsql_modrdn(): "
 324                         "error binding parent ID parameter for objectClass %s\n",
 325                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 326                 backsql_PrintErrors( bi->sql_db_env, dbh,
 327                         sth, rc );
 328                 SQLFreeStmt( sth, SQL_DROP );
 329
 330                 rs->sr_text = "SQL-backend error";
 331                 rs->sr_err = LDAP_OTHER;
 332                 e = NULL;
 333                 goto done;
 334         }
 335
 336         rc = backsql_BindParamID( sth, 3, SQL_PARAM_INPUT, &e_id.eid_keyval );
 337         if ( rc != SQL_SUCCESS ) {
 338                 Debug( LDAP_DEBUG_TRACE,
 339                         "   backsql_modrdn(): "
 340                         "error binding entry ID parameter for objectClass %s\n",
 341                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 342                 backsql_PrintErrors( bi->sql_db_env, dbh,
 343                         sth, rc );
 344                 SQLFreeStmt( sth, SQL_DROP );
 345
 346                 rs->sr_text = "SQL-backend error";
 347                 rs->sr_err = LDAP_OTHER;
 348                 e = NULL;
 349                 goto done;
 350         }
 351
 352         rc = backsql_BindParamID( sth, 4, SQL_PARAM_INPUT, &e_id.eid_id );
 353         if ( rc != SQL_SUCCESS ) {
 354                 Debug( LDAP_DEBUG_TRACE,
 355                         "   backsql_modrdn(): "
 356                         "error binding ID parameter for objectClass %s\n",
 357                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 358                 backsql_PrintErrors( bi->sql_db_env, dbh,
 359                         sth, rc );
 360                 SQLFreeStmt( sth, SQL_DROP );
 361
 362                 rs->sr_text = "SQL-backend error";
 363                 rs->sr_err = LDAP_OTHER;
 364                 e = NULL;
 365                 goto done;
 366         }
 367
 368         rc = SQLExecute( sth );
 369         if ( rc != SQL_SUCCESS ) {
 370                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 371                         "could not rename ldap_entries record\n", 0, 0, 0 );
 372                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 373                 SQLFreeStmt( sth, SQL_DROP );
 374                 rs->sr_err = LDAP_OTHER;
 375                 rs->sr_text = "SQL-backend error";
 376                 e = NULL;
 377                 goto done;
 378         }
 379         SQLFreeStmt( sth, SQL_DROP );
 380
 381         assert( op->orr_modlist != NULL );
 382
 383         slap_mods_opattrs( op, &op->orr_modlist, 1 );
 384
 385         assert( e_id.eid_oc != NULL );
 386         oc = e_id.eid_oc;
 387         rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, &e_id, op->orr_modlist );
 388         slap_graduate_commit_csn( op );
 389         if ( rs->sr_err != LDAP_SUCCESS ) {
 390                 e = &r;
 391                 goto done;
 392         }
 393
 394         if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
 395                 char            textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };
 396
 397                 backsql_entry_clean( op, &r );
 398                 (void)backsql_free_entryID( &e_id, 0, op->o_tmpmemctx );
 399
 400                 bsi.bsi_e = &r;
 401                 rs->sr_err = backsql_init_search( &bsi, &new_ndn,
 402                                 LDAP_SCOPE_BASE,
 403                                 (time_t)(-1), NULL, dbh, op, rs,
 404                                 slap_anlist_all_attributes,
 405                                 ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
 406                 switch ( rs->sr_err ) {
 407                 case LDAP_SUCCESS:
 408                         break;
 409
 410                 case LDAP_REFERRAL:
 411                         if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
 412                                         dn_match( &new_ndn, &bsi.bsi_e->e_nname ) )
 413                         {
 414                                 rs->sr_err = LDAP_SUCCESS;
 415                                 rs->sr_text = NULL;
 416                                 rs->sr_matched = NULL;
 417                                 if ( rs->sr_ref ) {
 418                                         ber_bvarray_free( rs->sr_ref );
 419                                         rs->sr_ref = NULL;
 420                                 }
 421                                 break;
 422                         }
 423                         e = &r;
 424                         /* fallthru */
 425
 426                 default:
 427                         Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
 428                                 "could not retrieve modrdnDN ID - no such entry\n",
 429                                 0, 0, 0 );
 430                         if ( !BER_BVISNULL( &r.e_nname ) ) {
 431                                 /* FIXME: should always be true! */
 432                                 e = &r;
 433
 434                         } else {
 435                                 e = NULL;
 436                         }
 437                         goto done;
 438                 }
 439
 440                 e_id = bsi.bsi_base_id;
 441
 442                 rs->sr_err = entry_schema_check( op, &r, NULL, 0, 0, NULL,
 443                         &rs->sr_text, textbuf, sizeof( textbuf ) );
 444                 if ( rs->sr_err != LDAP_SUCCESS ) {
 445                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(\"%s\"): "
 446                                 "entry failed schema check -- aborting\n",
 447                                 r.e_name.bv_val, 0, 0 );
 448                         e = NULL;
 449                         goto done;
 450                 }
 451         }
 452
 453 done:;
 454         if ( e != NULL ) {
 455                 if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
 456                                         ACL_DISCLOSE, NULL ) )
 457                 {
 458                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 459                         rs->sr_text = NULL;
 460                         rs->sr_matched = NULL;
 461                         if ( rs->sr_ref ) {
 462                                 ber_bvarray_free( rs->sr_ref );
 463                                 rs->sr_ref = NULL;
 464                         }
 465                 }
 466         }
 467
 468         /*
 469          * Commit only if all operations succeed
 470          */
 471         if ( sth != SQL_NULL_HSTMT ) {
 472                 SQLUSMALLINT    CompletionType = SQL_ROLLBACK;
 473
 474                 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 475                         CompletionType = SQL_COMMIT;
 476                 }
 477
 478                 SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
 479         }
 480
 481         if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
 482                 rs->sr_err = LDAP_X_NO_OPERATION;
 483         }
 484
 485         send_ldap_result( op, rs );
 486         slap_graduate_commit_csn( op );
 487
 488         if ( !BER_BVISNULL( &realnew_dn ) && realnew_dn.bv_val != new_dn.bv_val ) {
 489                 ch_free( realnew_dn.bv_val );
 490         }
 491
 492         if ( !BER_BVISNULL( &new_dn ) ) {
 493                 slap_sl_free( new_dn.bv_val, op->o_tmpmemctx );
 494         }
 495
 496         if ( !BER_BVISNULL( &new_ndn ) ) {
 497                 slap_sl_free( new_ndn.bv_val, op->o_tmpmemctx );
 498         }
 499
 500         if ( !BER_BVISNULL( &e_id.eid_ndn ) ) {
 501                 (void)backsql_free_entryID( &e_id, 0, op->o_tmpmemctx );
 502         }
 503
 504         if ( !BER_BVISNULL( &n_id.eid_ndn ) ) {
 505                 (void)backsql_free_entryID( &n_id, 0, op->o_tmpmemctx );
 506         }
 507
 508         if ( !BER_BVISNULL( &r.e_nname ) ) {
 509                 backsql_entry_clean( op, &r );
 510         }
 511
 512         if ( !BER_BVISNULL( &p.e_nname ) ) {
 513                 backsql_entry_clean( op, &p );
 514         }
 515
 516         if ( !BER_BVISNULL( &n.e_nname ) ) {
 517                 backsql_entry_clean( op, &n );
 518         }
 519
 520         if ( rs->sr_ref ) {
 521                 ber_bvarray_free( rs->sr_ref );
 522                 rs->sr_ref = NULL;
 523         }
 524
 525         Debug( LDAP_DEBUG_TRACE, "<==backsql_modrdn()\n", 0, 0, 0 );
 526
 527         return rs->sr_err;
 528 }
 529