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 1999-2005 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         char                    *next;
  54
  55         Debug( LDAP_DEBUG_TRACE, "==>backsql_modrdn() renaming entry \"%s\", "
  56                         "newrdn=\"%s\", newSuperior=\"%s\"\n",
  57                         op->o_req_dn.bv_val, op->oq_modrdn.rs_newrdn.bv_val,
  58                         newSuperior ? newSuperior->bv_val : "(NULL)" );
  59
  60         rs->sr_err = backsql_get_db_conn( op, &dbh );
  61         if ( rs->sr_err != LDAP_SUCCESS ) {
  62                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
  63                         "could not get connection handle - exiting\n",
  64                         0, 0, 0 );
  65                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  66                         ?  "SQL-backend error" : NULL;
  67                 e = NULL;
  68                 goto done;
  69         }
  70
  71         bsi.bsi_e = &r;
  72         rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
  73                         LDAP_SCOPE_BASE,
  74                         (time_t)(-1), NULL, dbh, op, rs,
  75                         slap_anlist_all_attributes,
  76                         ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
  77         switch ( rs->sr_err ) {
  78         case LDAP_SUCCESS:
  79                 break;
  80
  81         case LDAP_REFERRAL:
  82                 if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
  83                                 dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
  84                 {
  85                         rs->sr_err = LDAP_SUCCESS;
  86                         rs->sr_text = NULL;
  87                         rs->sr_matched = NULL;
  88                         if ( rs->sr_ref ) {
  89                                 ber_bvarray_free( rs->sr_ref );
  90                                 rs->sr_ref = NULL;
  91                         }
  92                         break;
  93                 }
  94                 e = &r;
  95                 /* fallthru */
  96
  97         default:
  98                 Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
  99                         "could not retrieve modrdnDN ID - no such entry\n",
 100                         0, 0, 0 );
 101                 if ( !BER_BVISNULL( &r.e_nname ) ) {
 102                         /* FIXME: should always be true! */
 103                         e = &r;
 104
 105                 } else {
 106                         e = NULL;
 107                 }
 108                 goto done;
 109         }
 110
 111 #ifdef BACKSQL_ARBITRARY_KEY
 112         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): entry id=%s\n",
 113                 e_id.eid_id.bv_val, 0, 0 );
 114 #else /* ! BACKSQL_ARBITRARY_KEY */
 115         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): entry id=%ld\n",
 116                 e_id.eid_id, 0, 0 );
 117 #endif /* ! BACKSQL_ARBITRARY_KEY */
 118
 119         if ( get_assert( op ) &&
 120                         ( test_filter( op, &r, get_assertion( op ) )
 121                           != LDAP_COMPARE_TRUE ) )
 122         {
 123                 rs->sr_err = LDAP_ASSERTION_FAILED;
 124                 e = &r;
 125                 goto done;
 126         }
 127
 128         if ( backsql_has_children( op, dbh, &op->o_req_ndn ) == LDAP_COMPARE_TRUE ) {
 129                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 130                         "entry \"%s\" has children\n",
 131                         op->o_req_dn.bv_val, 0, 0 );
 132                 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 133                 rs->sr_text = "subtree rename not supported";
 134                 e = &r;
 135                 goto done;
 136         }
 137
 138         /*
 139          * Check for entry access to target
 140          */
 141         if ( !access_allowed( op, &r, slap_schema.si_ad_entry,
 142                                 NULL, ACL_WRITE, NULL ) ) {
 143                 Debug( LDAP_DEBUG_TRACE, "   no access to entry\n", 0, 0, 0 );
 144                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 145                 goto done;
 146         }
 147
 148         dnParent( &op->o_req_dn, &pdn );
 149         dnParent( &op->o_req_ndn, &pndn );
 150
 151         /*
 152          * namingContext "" is not supported
 153          */
 154         if ( BER_BVISEMPTY( &pdn ) ) {
 155                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 156                         "parent is \"\" - aborting\n", 0, 0, 0 );
 157                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 158                 rs->sr_text = "not allowed within namingContext";
 159                 e = NULL;
 160                 goto done;
 161         }
 162
 163         /*
 164          * Check for children access to parent
 165          */
 166         bsi.bsi_e = &p;
 167         e_id = bsi.bsi_base_id;
 168         rs->sr_err = backsql_init_search( &bsi, &pndn,
 169                         LDAP_SCOPE_BASE,
 170                         (time_t)(-1), NULL, dbh, op, rs,
 171                         slap_anlist_all_attributes,
 172                         BACKSQL_ISF_GET_ENTRY );
 173
 174 #ifdef BACKSQL_ARBITRARY_KEY
 175         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 176                 "old parent entry id is %s\n",
 177                 bsi.bsi_base_id.eid_id.bv_val, 0, 0 );
 178 #else /* ! BACKSQL_ARBITRARY_KEY */
 179         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 180                 "old parent entry id is %ld\n",
 181                 bsi.bsi_base_id.eid_id, 0, 0 );
 182 #endif /* ! BACKSQL_ARBITRARY_KEY */
 183
 184         if ( rs->sr_err != LDAP_SUCCESS ) {
 185                 Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
 186                         "could not retrieve renameDN ID - no such entry\n",
 187                         0, 0, 0 );
 188                 e = &p;
 189                 goto done;
 190         }
 191
 192         if ( !access_allowed( op, &p, slap_schema.si_ad_children, NULL,
 193                         newSuperior ? ACL_WDEL : ACL_WRITE, NULL ) )
 194         {
 195                 Debug( LDAP_DEBUG_TRACE, "   no access to parent\n", 0, 0, 0 );
 196                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 197                 goto done;
 198         }
 199
 200         if ( newSuperior ) {
 201                 (void)backsql_free_entryID( op, &bsi.bsi_base_id, 0 );
 202
 203                 /*
 204                  * namingContext "" is not supported
 205                  */
 206                 if ( BER_BVISEMPTY( newSuperior ) ) {
 207                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 208                                 "newSuperior is \"\" - aborting\n", 0, 0, 0 );
 209                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 210                         rs->sr_text = "not allowed within namingContext";
 211                         e = NULL;
 212                         goto done;
 213                 }
 214
 215                 new_pdn = newSuperior;
 216                 new_npdn = op->oq_modrdn.rs_nnewSup;
 217
 218                 /*
 219                  * Check for children access to new parent
 220                  */
 221                 bsi.bsi_e = &n;
 222                 rs->sr_err = backsql_init_search( &bsi, new_npdn,
 223                                 LDAP_SCOPE_BASE,
 224                                 (time_t)(-1), NULL, dbh, op, rs,
 225                                 slap_anlist_all_attributes,
 226                                 ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
 227                 if ( rs->sr_err != LDAP_SUCCESS ) {
 228                         Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
 229                                 "could not retrieve renameDN ID - no such entry\n",
 230                                 0, 0, 0 );
 231                         e = &n;
 232                         goto done;
 233                 }
 234
 235                 n_id = bsi.bsi_base_id;
 236
 237 #ifdef BACKSQL_ARBITRARY_KEY
 238                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 239                         "new parent entry id=%s\n",
 240                         n_id.eid_id.bv_val, 0, 0 );
 241 #else /* ! BACKSQL_ARBITRARY_KEY */
 242                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 243                         "new parent entry id=%ld\n",
 244                         n_id.eid_id, 0, 0 );
 245 #endif /* ! BACKSQL_ARBITRARY_KEY */
 246
 247                 if ( !access_allowed( op, &n, slap_schema.si_ad_children,
 248                                         NULL, ACL_WADD, NULL ) ) {
 249                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 250                                         "no access to new parent \"%s\"\n",
 251                                         new_pdn->bv_val, 0, 0 );
 252                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 253                         e = &n;
 254                         goto done;
 255                 }
 256
 257         } else {
 258                 n_id = bsi.bsi_base_id;
 259                 new_pdn = &pdn;
 260                 new_npdn = &pndn;
 261         }
 262
 263         if ( newSuperior && dn_match( &pndn, new_npdn ) ) {
 264                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 265                         "newSuperior is equal to old parent - ignored\n",
 266                         0, 0, 0 );
 267                 newSuperior = NULL;
 268         }
 269
 270         if ( newSuperior && dn_match( &op->o_req_ndn, new_npdn ) ) {
 271                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 272                         "newSuperior is equal to entry being moved "
 273                         "- aborting\n", 0, 0, 0 );
 274                 rs->sr_err = LDAP_OTHER;
 275                 rs->sr_text = "newSuperior is equal to old DN";
 276                 e = &r;
 277                 goto done;
 278         }
 279
 280         build_new_dn( &new_dn, new_pdn, &op->oq_modrdn.rs_newrdn,
 281                         op->o_tmpmemctx );
 282         build_new_dn( &new_ndn, new_npdn, &op->oq_modrdn.rs_nnewrdn,
 283                         op->o_tmpmemctx );
 284
 285         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): new entry dn is \"%s\"\n",
 286                         new_dn.bv_val, 0, 0 );
 287
 288         realnew_dn = new_dn;
 289         if ( backsql_api_dn2odbc( op, rs, &realnew_dn ) ) {
 290                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(\"%s\"): "
 291                         "backsql_api_dn2odbc(\"%s\") failed\n",
 292                         op->o_req_dn.bv_val, realnew_dn.bv_val, 0 );
 293                 SQLFreeStmt( sth, SQL_DROP );
 294
 295                 rs->sr_text = "SQL-backend error";
 296                 rs->sr_err = LDAP_OTHER;
 297                 e = NULL;
 298                 goto done;
 299         }
 300
 301         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 302                 "executing renentry_stmt\n", 0, 0, 0 );
 303
 304         rc = backsql_Prepare( dbh, &sth, bi->sql_renentry_stmt, 0 );
 305         if ( rc != SQL_SUCCESS ) {
 306                 Debug( LDAP_DEBUG_TRACE,
 307                         "   backsql_modrdn(): "
 308                         "error preparing renentry_stmt\n", 0, 0, 0 );
 309                 backsql_PrintErrors( bi->sql_db_env, dbh,
 310                                 sth, rc );
 311
 312                 rs->sr_text = "SQL-backend error";
 313                 rs->sr_err = LDAP_OTHER;
 314                 e = NULL;
 315                 goto done;
 316         }
 317
 318         rc = backsql_BindParamBerVal( sth, 1, SQL_PARAM_INPUT, &realnew_dn );
 319         if ( rc != SQL_SUCCESS ) {
 320                 Debug( LDAP_DEBUG_TRACE,
 321                         "   backsql_add_attr(): "
 322                         "error binding DN parameter for objectClass %s\n",
 323                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 324                 backsql_PrintErrors( bi->sql_db_env, dbh,
 325                         sth, rc );
 326                 SQLFreeStmt( sth, SQL_DROP );
 327
 328                 rs->sr_text = "SQL-backend error";
 329                 rs->sr_err = LDAP_OTHER;
 330                 e = NULL;
 331                 goto done;
 332         }
 333
 334         rc = backsql_BindParamID( sth, 2, SQL_PARAM_INPUT, &n_id.eid_id );
 335         if ( rc != SQL_SUCCESS ) {
 336                 Debug( LDAP_DEBUG_TRACE,
 337                         "   backsql_add_attr(): "
 338                         "error binding parent ID parameter for objectClass %s\n",
 339                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 340                 backsql_PrintErrors( bi->sql_db_env, dbh,
 341                         sth, rc );
 342                 SQLFreeStmt( sth, SQL_DROP );
 343
 344                 rs->sr_text = "SQL-backend error";
 345                 rs->sr_err = LDAP_OTHER;
 346                 e = NULL;
 347                 goto done;
 348         }
 349
 350         rc = backsql_BindParamID( sth, 3, SQL_PARAM_INPUT, &e_id.eid_keyval );
 351         if ( rc != SQL_SUCCESS ) {
 352                 Debug( LDAP_DEBUG_TRACE,
 353                         "   backsql_add_attr(): "
 354                         "error binding entry ID parameter for objectClass %s\n",
 355                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 356                 backsql_PrintErrors( bi->sql_db_env, dbh,
 357                         sth, rc );
 358                 SQLFreeStmt( sth, SQL_DROP );
 359
 360                 rs->sr_text = "SQL-backend error";
 361                 rs->sr_err = LDAP_OTHER;
 362                 e = NULL;
 363                 goto done;
 364         }
 365
 366         rc = backsql_BindParamID( sth, 4, SQL_PARAM_INPUT, &e_id.eid_id );
 367         if ( rc != SQL_SUCCESS ) {
 368                 Debug( LDAP_DEBUG_TRACE,
 369                         "   backsql_add_attr(): "
 370                         "error binding ID parameter for objectClass %s\n",
 371                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 372                 backsql_PrintErrors( bi->sql_db_env, dbh,
 373                         sth, rc );
 374                 SQLFreeStmt( sth, SQL_DROP );
 375
 376                 rs->sr_text = "SQL-backend error";
 377                 rs->sr_err = LDAP_OTHER;
 378                 e = NULL;
 379                 goto done;
 380         }
 381
 382         rc = SQLExecute( sth );
 383         if ( rc != SQL_SUCCESS ) {
 384                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 385                         "could not rename ldap_entries record\n", 0, 0, 0 );
 386                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 387                 SQLFreeStmt( sth, SQL_DROP );
 388                 rs->sr_err = LDAP_OTHER;
 389                 rs->sr_text = "SQL-backend error";
 390                 e = NULL;
 391                 goto done;
 392         }
 393         SQLFreeStmt( sth, SQL_DROP );
 394
 395         assert( op->orr_modlist != NULL );
 396
 397         oc = backsql_id2oc( bi, e_id.eid_oc_id );
 398         rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, &e_id, op->orr_modlist );
 399         slap_graduate_commit_csn( op );
 400         if ( rs->sr_err != LDAP_SUCCESS ) {
 401                 e = &r;
 402                 goto done;
 403         }
 404
 405         if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
 406                 char            textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };
 407
 408                 backsql_entry_clean( op, &r );
 409                 (void)backsql_free_entryID( op, &e_id, 0 );
 410
 411                 bsi.bsi_e = &r;
 412                 rs->sr_err = backsql_init_search( &bsi, &new_ndn,
 413                                 LDAP_SCOPE_BASE,
 414                                 (time_t)(-1), NULL, dbh, op, rs,
 415                                 slap_anlist_all_attributes,
 416                                 ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
 417                 switch ( rs->sr_err ) {
 418                 case LDAP_SUCCESS:
 419                         break;
 420
 421                 case LDAP_REFERRAL:
 422                         if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
 423                                         dn_match( &new_ndn, &bsi.bsi_e->e_nname ) )
 424                         {
 425                                 rs->sr_err = LDAP_SUCCESS;
 426                                 rs->sr_text = NULL;
 427                                 rs->sr_matched = NULL;
 428                                 if ( rs->sr_ref ) {
 429                                         ber_bvarray_free( rs->sr_ref );
 430                                         rs->sr_ref = NULL;
 431                                 }
 432                                 break;
 433                         }
 434                         e = &r;
 435                         /* fallthru */
 436
 437                 default:
 438                         Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
 439                                 "could not retrieve modrdnDN ID - no such entry\n",
 440                                 0, 0, 0 );
 441                         if ( !BER_BVISNULL( &r.e_nname ) ) {
 442                                 /* FIXME: should always be true! */
 443                                 e = &r;
 444
 445                         } else {
 446                                 e = NULL;
 447                         }
 448                         goto done;
 449                 }
 450
 451                 e_id = bsi.bsi_base_id;
 452
 453                 rs->sr_err = entry_schema_check( op, &r, NULL, 0,
 454                         &rs->sr_text, textbuf, sizeof( textbuf ) );
 455                 if ( rs->sr_err != LDAP_SUCCESS ) {
 456                         Debug( LDAP_DEBUG_TRACE, "   backsql_add(\"%s\"): "
 457                                 "entry failed schema check -- aborting\n",
 458                                 r.e_name.bv_val, 0, 0 );
 459                         e = NULL;
 460                         goto done;
 461                 }
 462         }
 463
 464 done:;
 465 #ifdef SLAP_ACL_HONOR_DISCLOSE
 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 #endif /* SLAP_ACL_HONOR_DISCLOSE */
 480
 481         /*
 482          * Commit only if all operations succeed
 483          */
 484         if ( sth != SQL_NULL_HSTMT ) {
 485                 SQLUSMALLINT    CompletionType = SQL_ROLLBACK;
 486
 487                 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 488                         CompletionType = SQL_COMMIT;
 489                 }
 490
 491                 SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
 492         }
 493
 494         send_ldap_result( op, rs );
 495
 496         if ( !BER_BVISNULL( &realnew_dn ) && realnew_dn.bv_val != new_dn.bv_val ) {
 497                 ch_free( realnew_dn.bv_val );
 498         }
 499
 500         if ( !BER_BVISNULL( &new_dn ) ) {
 501                 slap_sl_free( new_dn.bv_val, op->o_tmpmemctx );
 502         }
 503
 504         if ( !BER_BVISNULL( &new_ndn ) ) {
 505                 slap_sl_free( new_ndn.bv_val, op->o_tmpmemctx );
 506         }
 507
 508         if ( !BER_BVISNULL( &e_id.eid_ndn ) ) {
 509                 (void)backsql_free_entryID( op, &e_id, 0 );
 510         }
 511
 512         if ( !BER_BVISNULL( &n_id.eid_ndn ) ) {
 513                 (void)backsql_free_entryID( op, &n_id, 0 );
 514         }
 515
 516         if ( !BER_BVISNULL( &r.e_nname ) ) {
 517                 backsql_entry_clean( op, &r );
 518         }
 519
 520         if ( !BER_BVISNULL( &p.e_nname ) ) {
 521                 backsql_entry_clean( op, &p );
 522         }
 523
 524         if ( !BER_BVISNULL( &n.e_nname ) ) {
 525                 backsql_entry_clean( op, &n );
 526         }
 527
 528         if ( rs->sr_ref ) {
 529                 ber_bvarray_free( rs->sr_ref );
 530                 rs->sr_ref = NULL;
 531         }
 532
 533         Debug( LDAP_DEBUG_TRACE, "<==backsql_modrdn()\n", 0, 0, 0 );
 534
 535         return rs->sr_err;
 536 }
 537