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 1999-2004 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 Dmitry Kovalev.
   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 /* ACKNOWLEDGEMENTS:
  17  * This work was initially developed by Dmitry Kovalev for inclusion
  18  * by OpenLDAP Software.
  19  */
  20
  21 #include "portable.h"
  22
  23 #include <stdio.h>
  24 #include <sys/types.h>
  25 #include "ac/string.h"
  26
  27 #include "slap.h"
  28 #include "proto-sql.h"
  29
  30 int
  31 backsql_modrdn( Operation *op, SlapReply *rs )
  32 {
  33         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  34         SQLHDBC                 dbh;
  35         SQLHSTMT                sth;
  36         RETCODE                 rc;
  37         backsql_entryID         e_id = BACKSQL_ENTRYID_INIT,
  38                                 pe_id = BACKSQL_ENTRYID_INIT,
  39                                 new_pe_id = BACKSQL_ENTRYID_INIT;
  40         backsql_oc_map_rec      *oc = NULL;
  41         struct berval           p_dn = BER_BVNULL, p_ndn = BER_BVNULL,
  42                                 *new_pdn = NULL, *new_npdn = NULL,
  43                                 new_dn = BER_BVNULL, new_ndn = BER_BVNULL,
  44                                 realnew_dn = BER_BVNULL;
  45         LDAPRDN                 new_rdn = NULL;
  46         LDAPRDN                 old_rdn = NULL;
  47         Entry                   e;
  48         Modifications           *mod = NULL;
  49         struct berval           *newSuperior = op->oq_modrdn.rs_newSup;
  50         char                    *next;
  51
  52         Debug( LDAP_DEBUG_TRACE, "==>backsql_modrdn() renaming entry \"%s\", "
  53                         "newrdn=\"%s\", newSuperior=\"%s\"\n",
  54                         op->o_req_dn.bv_val, op->oq_modrdn.rs_newrdn.bv_val,
  55                         newSuperior ? newSuperior->bv_val : "(NULL)" );
  56         rs->sr_err = backsql_get_db_conn( op, &dbh );
  57         if ( rs->sr_err != LDAP_SUCCESS ) {
  58                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
  59                         "could not get connection handle - exiting\n",
  60                         0, 0, 0 );
  61                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  62                         ?  "SQL-backend error" : NULL;
  63                 send_ldap_result( op, rs );
  64                 return 1;
  65         }
  66
  67         rs->sr_err = backsql_dn2id( op, rs, &e_id, dbh, &op->o_req_ndn, 1 );
  68         if ( rs->sr_err != LDAP_SUCCESS ) {
  69                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
  70                         "could not lookup entry id (%d)\n",
  71                         rs->sr_err, 0, 0 );
  72                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  73                         ?  "SQL-backend error" : NULL;
  74                 send_ldap_result( op, rs );
  75                 return 1;
  76         }
  77
  78 #ifdef BACKSQL_ARBITRARY_KEY
  79         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): entry id=%s\n",
  80                 e_id.eid_id.bv_val, 0, 0 );
  81 #else /* ! BACKSQL_ARBITRARY_KEY */
  82         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): entry id=%ld\n",
  83                 e_id.eid_id, 0, 0 );
  84 #endif /* ! BACKSQL_ARBITRARY_KEY */
  85
  86         if ( backsql_has_children( bi, dbh, &op->o_req_ndn ) == LDAP_COMPARE_TRUE ) {
  87                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
  88                         "entry \"%s\" has children\n",
  89                         op->o_req_dn.bv_val, 0, 0 );
  90                 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
  91                 rs->sr_text = "subtree rename not supported";
  92                 send_ldap_result( op, rs );
  93                 return 1;
  94         }
  95
  96         dnParent( &op->o_req_dn, &p_dn );
  97         dnParent( &op->o_req_ndn, &p_ndn );
  98
  99         /*
 100          * namingContext "" is not supported
 101          */
 102         if ( p_dn.bv_len == 0 ) {
 103                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 104                         "parent is \"\" - aborting\n", 0, 0, 0 );
 105                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 106                 rs->sr_text = "not allowed within namingContext";
 107                 send_ldap_result( op, rs );
 108                 goto modrdn_return;
 109         }
 110
 111         /*
 112          * Check for children access to parent
 113          */
 114         e.e_attrs = NULL;
 115         e.e_name = p_dn;
 116         e.e_nname = p_ndn;
 117         if ( !access_allowed( op, &e, slap_schema.si_ad_children,
 118                                 NULL, ACL_WRITE, NULL ) ) {
 119                 Debug( LDAP_DEBUG_TRACE, "   no access to parent\n", 0, 0, 0 );
 120                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 121                 goto modrdn_return;
 122         }
 123
 124         if ( newSuperior ) {
 125                 /*
 126                  * namingContext "" is not supported
 127                  */
 128                 if ( newSuperior->bv_len == 0 ) {
 129                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 130                                 "newSuperior is \"\" - aborting\n", 0, 0, 0 );
 131                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 132                         rs->sr_text = "not allowed within namingContext";
 133                         send_ldap_result( op, rs );
 134                         goto modrdn_return;
 135                 }
 136
 137                 new_pdn = newSuperior;
 138                 new_npdn = op->oq_modrdn.rs_nnewSup;
 139
 140                 e.e_name = *new_pdn;
 141                 e.e_nname = *new_npdn;
 142
 143                 /*
 144                  * Check for children access to new parent
 145                  */
 146                 if ( !access_allowed( op, &e, slap_schema.si_ad_children,
 147                                         NULL, ACL_WRITE, NULL ) ) {
 148                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 149                                         "no access to new parent \"%s\"\n",
 150                                         new_pdn->bv_val, 0, 0 );
 151                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 152                         goto modrdn_return;
 153                 }
 154
 155         } else {
 156                 new_pdn = &p_dn;
 157                 new_npdn = &p_ndn;
 158         }
 159
 160         if ( newSuperior && dn_match( &p_ndn, new_npdn ) ) {
 161                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 162                         "newSuperior is equal to old parent - ignored\n",
 163                         0, 0, 0 );
 164                 newSuperior = NULL;
 165         }
 166
 167         if ( newSuperior && dn_match( &op->o_req_ndn, new_npdn ) ) {
 168                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 169                         "newSuperior is equal to entry being moved "
 170                         "- aborting\n", 0, 0, 0 );
 171                 rs->sr_err = LDAP_OTHER;
 172                 rs->sr_text = "newSuperior is equal to old DN";
 173                 send_ldap_result( op, rs );
 174                 goto modrdn_return;
 175         }
 176
 177         build_new_dn( &new_dn, new_pdn, &op->oq_modrdn.rs_newrdn,
 178                         op->o_tmpmemctx );
 179         rs->sr_err = dnNormalize( 0, NULL, NULL, &new_dn, &new_ndn,
 180                         op->o_tmpmemctx );
 181         if ( rs->sr_err != LDAP_SUCCESS ) {
 182                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 183                         "new dn is invalid (\"%s\") - aborting\n",
 184                         new_dn.bv_val, 0, 0 );
 185                 rs->sr_text = "unable to build new DN";
 186                 send_ldap_result( op, rs );
 187                 goto modrdn_return;
 188         }
 189
 190         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): new entry dn is \"%s\"\n",
 191                         new_dn.bv_val, 0, 0 );
 192
 193         rs->sr_err = backsql_dn2id( op, rs, &pe_id, dbh, &p_ndn, 1 );
 194         if ( rs->sr_err != LDAP_SUCCESS ) {
 195                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 196                         "could not lookup old parent entry id\n", 0, 0, 0 );
 197                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
 198                         ? "SQL-backend error" : NULL;
 199                 send_ldap_result( op, rs );
 200                 goto modrdn_return;
 201         }
 202
 203 #ifdef BACKSQL_ARBITRARY_KEY
 204         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 205                 "old parent entry id is %s\n", pe_id.eid_id.bv_val, 0, 0 );
 206 #else /* ! BACKSQL_ARBITRARY_KEY */
 207         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 208                 "old parent entry id is %ld\n", pe_id.eid_id, 0, 0 );
 209 #endif /* ! BACKSQL_ARBITRARY_KEY */
 210
 211         (void)backsql_free_entryID( &pe_id, 0 );
 212
 213         rs->sr_err = backsql_dn2id( op, rs, &new_pe_id, dbh, new_npdn, 1 );
 214         if ( rs->sr_err != LDAP_SUCCESS ) {
 215                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 216                         "could not lookup new parent entry id\n", 0, 0, 0 );
 217                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
 218                         ? "SQL-backend error" : NULL;
 219                 send_ldap_result( op, rs );
 220                 goto modrdn_return;
 221         }
 222
 223 #ifdef BACKSQL_ARBITRARY_KEY
 224         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 225                 "new parent entry id=%s\n", new_pe_id.eid_id.bv_val, 0, 0 );
 226 #else /* ! BACKSQL_ARBITRARY_KEY */
 227         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 228                 "new parent entry id=%ld\n", new_pe_id.eid_id, 0, 0 );
 229 #endif /* ! BACKSQL_ARBITRARY_KEY */
 230
 231
 232         Debug(  LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 233                 "executing delentry_query\n", 0, 0, 0 );
 234
 235         rc = backsql_Prepare( dbh, &sth, bi->sql_delentry_query, 0 );
 236         if ( rc != SQL_SUCCESS ) {
 237                 Debug( LDAP_DEBUG_TRACE,
 238                         "   backsql_modrdn(): "
 239                         "error preparing delentry_query\n", 0, 0, 0 );
 240                 backsql_PrintErrors( bi->sql_db_env, dbh,
 241                                 sth, rc );
 242
 243                 rs->sr_text = "SQL-backend error";
 244                 rs->sr_err = LDAP_OTHER;
 245                 goto done;
 246         }
 247
 248         rc = backsql_BindParamID( sth, 1, SQL_PARAM_INPUT, &e_id.eid_id );
 249         if ( rc != SQL_SUCCESS ) {
 250                 Debug( LDAP_DEBUG_TRACE,
 251                         "   backsql_delete(): "
 252                         "error binding entry ID parameter "
 253                         "for objectClass %s\n",
 254                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 255                 backsql_PrintErrors( bi->sql_db_env, dbh,
 256                         sth, rc );
 257                 SQLFreeStmt( sth, SQL_DROP );
 258
 259                 rs->sr_text = "SQL-backend error";
 260                 rs->sr_err = LDAP_OTHER;
 261                 goto done;
 262         }
 263
 264         rc = SQLExecute( sth );
 265         if ( rc != SQL_SUCCESS ) {
 266                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 267                         "failed to delete record from ldap_entries\n",
 268                         0, 0, 0 );
 269                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 270                 SQLFreeStmt( sth, SQL_DROP );
 271                 rs->sr_err = LDAP_OTHER;
 272                 rs->sr_text = "SQL-backend error";
 273                 send_ldap_result( op, rs );
 274                 goto done;
 275         }
 276
 277         SQLFreeStmt( sth, SQL_DROP );
 278
 279         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 280                 "executing insentry_query\n", 0, 0, 0 );
 281
 282         rc = backsql_Prepare( dbh, &sth, bi->sql_insentry_query, 0 );
 283         if ( rc != SQL_SUCCESS ) {
 284                 Debug( LDAP_DEBUG_TRACE,
 285                         "   backsql_modrdn(): "
 286                         "error preparing insentry_query\n", 0, 0, 0 );
 287                 backsql_PrintErrors( bi->sql_db_env, dbh,
 288                                 sth, rc );
 289
 290                 rs->sr_text = "SQL-backend error";
 291                 rs->sr_err = LDAP_OTHER;
 292                 goto done;
 293         }
 294
 295         realnew_dn = new_dn;
 296         if ( backsql_api_dn2odbc( op, rs, &realnew_dn ) ) {
 297                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(\"%s\"): "
 298                         "backsql_api_dn2odbc(\"%s\") failed\n",
 299                         op->o_req_dn.bv_val, realnew_dn.bv_val, 0 );
 300                 SQLFreeStmt( sth, SQL_DROP );
 301
 302                 rs->sr_text = "SQL-backend error";
 303                 rs->sr_err = LDAP_OTHER;
 304                 goto done;
 305         }
 306
 307         rc = backsql_BindParamBerVal( sth, 1, SQL_PARAM_INPUT, &realnew_dn );
 308         if ( rc != SQL_SUCCESS ) {
 309                 Debug( LDAP_DEBUG_TRACE,
 310                         "   backsql_add_attr(): "
 311                         "error binding DN parameter for objectClass %s\n",
 312                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 313                 backsql_PrintErrors( bi->sql_db_env, dbh,
 314                         sth, rc );
 315                 SQLFreeStmt( sth, SQL_DROP );
 316
 317                 rs->sr_text = "SQL-backend error";
 318                 rs->sr_err = LDAP_OTHER;
 319                 goto done;
 320         }
 321
 322         rc = backsql_BindParamInt( sth, 2, SQL_PARAM_INPUT, &e_id.eid_oc_id );
 323         if ( rc != SQL_SUCCESS ) {
 324                 Debug( LDAP_DEBUG_TRACE,
 325                         "   backsql_add_attr(): "
 326                         "error binding objectClass ID parameter for objectClass %s\n",
 327                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 328                 backsql_PrintErrors( bi->sql_db_env, dbh,
 329                         sth, rc );
 330                 SQLFreeStmt( sth, SQL_DROP );
 331
 332                 rs->sr_text = "SQL-backend error";
 333                 rs->sr_err = LDAP_OTHER;
 334                 goto done;
 335         }
 336
 337         rc = backsql_BindParamID( sth, 3, SQL_PARAM_INPUT, &new_pe_id.eid_id );
 338         if ( rc != SQL_SUCCESS ) {
 339                 Debug( LDAP_DEBUG_TRACE,
 340                         "   backsql_add_attr(): "
 341                         "error binding parent ID parameter for objectClass %s\n",
 342                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 343                 backsql_PrintErrors( bi->sql_db_env, dbh,
 344                         sth, rc );
 345                 SQLFreeStmt( sth, SQL_DROP );
 346
 347                 rs->sr_text = "SQL-backend error";
 348                 rs->sr_err = LDAP_OTHER;
 349                 goto done;
 350         }
 351
 352         rc = backsql_BindParamID( sth, 4, SQL_PARAM_INPUT, &e_id.eid_keyval );
 353         if ( rc != SQL_SUCCESS ) {
 354                 Debug( LDAP_DEBUG_TRACE,
 355                         "   backsql_add_attr(): "
 356                         "error binding entry 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                 goto done;
 365         }
 366
 367         rc = SQLExecute( sth );
 368         if ( rc != SQL_SUCCESS ) {
 369                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 370                         "could not insert ldap_entries record\n", 0, 0, 0 );
 371                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 372                 SQLFreeStmt( sth, SQL_DROP );
 373                 rs->sr_err = LDAP_OTHER;
 374                 rs->sr_text = "SQL-backend error";
 375                 send_ldap_result( op, rs );
 376                 goto done;
 377         }
 378         SQLFreeStmt( sth, SQL_DROP );
 379
 380         /*
 381          * Get attribute type and attribute value of our new rdn,
 382          * we will need to add that to our new entry
 383          */
 384         if ( ldap_bv2rdn( &op->oq_modrdn.rs_newrdn, &new_rdn, &next,
 385                                 LDAP_DN_FORMAT_LDAP ) )
 386         {
 387                 Debug( LDAP_DEBUG_TRACE,
 388                         "   backsql_modrdn: can't figure out "
 389                         "type(s)/values(s) of newrdn\n",
 390                         0, 0, 0 );
 391                 rs->sr_err = LDAP_INVALID_DN_SYNTAX;
 392                 goto done;
 393         }
 394
 395         Debug( LDAP_DEBUG_TRACE,
 396                 "   backsql_modrdn: new_rdn_type=\"%s\", "
 397                 "new_rdn_val=\"%s\"\n",
 398                 new_rdn[ 0 ]->la_attr.bv_val,
 399                 new_rdn[ 0 ]->la_value.bv_val, 0 );
 400
 401         if ( op->oq_modrdn.rs_deleteoldrdn ) {
 402                 if ( ldap_bv2rdn( &op->o_req_dn, &old_rdn, &next,
 403                                         LDAP_DN_FORMAT_LDAP ) )
 404                 {
 405                         Debug( LDAP_DEBUG_TRACE,
 406                                 "   backsql_modrdn: can't figure out "
 407                                 "the old_rdn type(s)/value(s)\n",
 408                                 0, 0, 0 );
 409                         rs->sr_err = LDAP_OTHER;
 410                         goto done;
 411                 }
 412         }
 413
 414         e.e_name = new_dn;
 415         e.e_nname = new_ndn;
 416         rs->sr_err = slap_modrdn2mods( op, rs, &e, old_rdn, new_rdn, &mod );
 417         if ( rs->sr_err != LDAP_SUCCESS ) {
 418                 goto modrdn_return;
 419         }
 420
 421         if ( !acl_check_modlist( op, &e, mod )) {
 422                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 423                 goto modrdn_return;
 424         }
 425
 426         oc = backsql_id2oc( bi, e_id.eid_oc_id );
 427         rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, &e_id, mod );
 428
 429 done:;
 430         /*
 431          * Commit only if all operations succeed
 432          */
 433         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 434                 SQLTransact( SQL_NULL_HENV, dbh, SQL_COMMIT );
 435
 436         } else {
 437                 SQLTransact( SQL_NULL_HENV, dbh, SQL_ROLLBACK );
 438         }
 439
 440 modrdn_return:;
 441         if ( !BER_BVISNULL( &realnew_dn ) && realnew_dn.bv_val != new_dn.bv_val ) {
 442                 ch_free( realnew_dn.bv_val );
 443         }
 444
 445         if ( !BER_BVISNULL( &new_dn ) ) {
 446                 slap_sl_free( new_dn.bv_val, op->o_tmpmemctx );
 447         }
 448
 449         if ( !BER_BVISNULL( &new_ndn ) ) {
 450                 slap_sl_free( new_ndn.bv_val, op->o_tmpmemctx );
 451         }
 452
 453         /* LDAP v2 supporting correct attribute handling. */
 454         if ( new_rdn != NULL ) {
 455                 ldap_rdnfree( new_rdn );
 456         }
 457         if ( old_rdn != NULL ) {
 458                 ldap_rdnfree( old_rdn );
 459         }
 460         if ( mod != NULL ) {
 461                 Modifications *tmp;
 462                 for (; mod; mod = tmp ) {
 463                         tmp = mod->sml_next;
 464                         free( mod );
 465                 }
 466         }
 467
 468         if ( !BER_BVISNULL( &new_pe_id.eid_ndn ) ) {
 469                 (void)backsql_free_entryID( &new_pe_id, 0 );
 470         }
 471
 472         send_ldap_result( op, rs );
 473
 474         Debug( LDAP_DEBUG_TRACE, "<==backsql_modrdn()\n", 0, 0, 0 );
 475         return op->o_noop;
 476 }
 477