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         LDAPRDN                 new_rdn = NULL;
  45         LDAPRDN                 old_rdn = NULL;
  46         Entry                   e;
  47         Modifications           *mod = NULL;
  48         struct berval           *newSuperior = op->oq_modrdn.rs_newSup;
  49         char                    *next;
  50
  51         Debug( LDAP_DEBUG_TRACE, "==>backsql_modrdn() renaming entry \"%s\", "
  52                         "newrdn=\"%s\", newSuperior=\"%s\"\n",
  53                         op->o_req_dn.bv_val, op->oq_modrdn.rs_newrdn.bv_val,
  54                         newSuperior ? newSuperior->bv_val : "(NULL)" );
  55         rs->sr_err = backsql_get_db_conn( op, &dbh );
  56         if ( rs->sr_err != LDAP_SUCCESS ) {
  57                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
  58                         "could not get connection handle - exiting\n",
  59                         0, 0, 0 );
  60                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  61                         ?  "SQL-backend error" : NULL;
  62                 send_ldap_result( op, rs );
  63                 return 1;
  64         }
  65
  66         /* FIXME: API... */
  67         rs->sr_err = backsql_dn2id( op, rs, &e_id, dbh, &op->o_req_ndn );
  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         /* FIXME: API... */
 194         rs->sr_err = backsql_dn2id( op, rs, &pe_id, dbh, &p_ndn );
 195         if ( rs->sr_err != LDAP_SUCCESS ) {
 196                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 197                         "could not lookup old parent entry id\n", 0, 0, 0 );
 198                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
 199                         ? "SQL-backend error" : NULL;
 200                 send_ldap_result( op, rs );
 201                 goto modrdn_return;
 202         }
 203
 204 #ifdef BACKSQL_ARBITRARY_KEY
 205         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 206                 "old parent entry id is %s\n", pe_id.eid_id.bv_val, 0, 0 );
 207 #else /* ! BACKSQL_ARBITRARY_KEY */
 208         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 209                 "old parent entry id is %ld\n", pe_id.eid_id, 0, 0 );
 210 #endif /* ! BACKSQL_ARBITRARY_KEY */
 211
 212         (void)backsql_free_entryID( &pe_id, 0 );
 213
 214         /* FIXME: API... */
 215         rs->sr_err = backsql_dn2id( op, rs, &new_pe_id, dbh, new_npdn );
 216         if ( rs->sr_err != LDAP_SUCCESS ) {
 217                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 218                         "could not lookup new parent entry id\n", 0, 0, 0 );
 219                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
 220                         ? "SQL-backend error" : NULL;
 221                 send_ldap_result( op, rs );
 222                 goto modrdn_return;
 223         }
 224
 225 #ifdef BACKSQL_ARBITRARY_KEY
 226         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 227                 "new parent entry id=%s\n", new_pe_id.eid_id.bv_val, 0, 0 );
 228 #else /* ! BACKSQL_ARBITRARY_KEY */
 229         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 230                 "new parent entry id=%ld\n", new_pe_id.eid_id, 0, 0 );
 231 #endif /* ! BACKSQL_ARBITRARY_KEY */
 232
 233
 234         Debug(  LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 235                 "executing delentry_query\n", 0, 0, 0 );
 236
 237         rc = backsql_Prepare( dbh, &sth, bi->sql_delentry_query, 0 );
 238         if ( rc != SQL_SUCCESS ) {
 239                 Debug( LDAP_DEBUG_TRACE,
 240                         "   backsql_modrdn(): "
 241                         "error preparing delentry_query\n", 0, 0, 0 );
 242                 backsql_PrintErrors( bi->sql_db_env, dbh,
 243                                 sth, rc );
 244
 245                 rs->sr_text = "SQL-backend error";
 246                 rs->sr_err = LDAP_OTHER;
 247                 goto done;
 248         }
 249
 250         rc = backsql_BindParamID( sth, 1, SQL_PARAM_INPUT, &e_id.eid_id );
 251         if ( rc != SQL_SUCCESS ) {
 252                 Debug( LDAP_DEBUG_TRACE,
 253                         "   backsql_delete(): "
 254                         "error binding entry ID parameter "
 255                         "for objectClass %s\n",
 256                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 257                 backsql_PrintErrors( bi->sql_db_env, dbh,
 258                         sth, rc );
 259                 SQLFreeStmt( sth, SQL_DROP );
 260
 261                 rs->sr_text = "SQL-backend error";
 262                 rs->sr_err = LDAP_OTHER;
 263                 goto done;
 264         }
 265
 266         rc = SQLExecute( sth );
 267         if ( rc != SQL_SUCCESS ) {
 268                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 269                         "failed to delete record from ldap_entries\n",
 270                         0, 0, 0 );
 271                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 272                 SQLFreeStmt( sth, SQL_DROP );
 273                 rs->sr_err = LDAP_OTHER;
 274                 rs->sr_text = "SQL-backend error";
 275                 send_ldap_result( op, rs );
 276                 goto done;
 277         }
 278
 279         SQLFreeStmt( sth, SQL_DROP );
 280
 281         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 282                 "executing insentry_query\n", 0, 0, 0 );
 283
 284         rc = backsql_Prepare( dbh, &sth, bi->sql_insentry_query, 0 );
 285         if ( rc != SQL_SUCCESS ) {
 286                 Debug( LDAP_DEBUG_TRACE,
 287                         "   backsql_modrdn(): "
 288                         "error preparing insentry_query\n", 0, 0, 0 );
 289                 backsql_PrintErrors( bi->sql_db_env, dbh,
 290                                 sth, rc );
 291
 292                 rs->sr_text = "SQL-backend error";
 293                 rs->sr_err = LDAP_OTHER;
 294                 goto done;
 295         }
 296
 297         rc = backsql_BindParamBerVal( sth, 1, SQL_PARAM_INPUT, &new_dn );
 298         if ( rc != SQL_SUCCESS ) {
 299                 Debug( LDAP_DEBUG_TRACE,
 300                         "   backsql_add_attr(): "
 301                         "error binding DN parameter for objectClass %s\n",
 302                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 303                 backsql_PrintErrors( bi->sql_db_env, dbh,
 304                         sth, rc );
 305                 SQLFreeStmt( sth, SQL_DROP );
 306
 307                 rs->sr_text = "SQL-backend error";
 308                 rs->sr_err = LDAP_OTHER;
 309                 goto done;
 310         }
 311
 312         rc = backsql_BindParamInt( sth, 2, SQL_PARAM_INPUT, &e_id.eid_oc_id );
 313         if ( rc != SQL_SUCCESS ) {
 314                 Debug( LDAP_DEBUG_TRACE,
 315                         "   backsql_add_attr(): "
 316                         "error binding objectClass ID parameter for objectClass %s\n",
 317                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 318                 backsql_PrintErrors( bi->sql_db_env, dbh,
 319                         sth, rc );
 320                 SQLFreeStmt( sth, SQL_DROP );
 321
 322                 rs->sr_text = "SQL-backend error";
 323                 rs->sr_err = LDAP_OTHER;
 324                 goto done;
 325         }
 326
 327         rc = backsql_BindParamID( sth, 3, SQL_PARAM_INPUT, &new_pe_id.eid_id );
 328         if ( rc != SQL_SUCCESS ) {
 329                 Debug( LDAP_DEBUG_TRACE,
 330                         "   backsql_add_attr(): "
 331                         "error binding parent ID parameter for objectClass %s\n",
 332                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 333                 backsql_PrintErrors( bi->sql_db_env, dbh,
 334                         sth, rc );
 335                 SQLFreeStmt( sth, SQL_DROP );
 336
 337                 rs->sr_text = "SQL-backend error";
 338                 rs->sr_err = LDAP_OTHER;
 339                 goto done;
 340         }
 341
 342         rc = backsql_BindParamID( sth, 4, SQL_PARAM_INPUT, &e_id.eid_keyval );
 343         if ( rc != SQL_SUCCESS ) {
 344                 Debug( LDAP_DEBUG_TRACE,
 345                         "   backsql_add_attr(): "
 346                         "error binding entry ID parameter for objectClass %s\n",
 347                         oc->bom_oc->soc_cname.bv_val, 0, 0 );
 348                 backsql_PrintErrors( bi->sql_db_env, dbh,
 349                         sth, rc );
 350                 SQLFreeStmt( sth, SQL_DROP );
 351
 352                 rs->sr_text = "SQL-backend error";
 353                 rs->sr_err = LDAP_OTHER;
 354                 goto done;
 355         }
 356
 357         rc = SQLExecute( sth );
 358         if ( rc != SQL_SUCCESS ) {
 359                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 360                         "could not insert ldap_entries record\n", 0, 0, 0 );
 361                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 362                 SQLFreeStmt( sth, SQL_DROP );
 363                 rs->sr_err = LDAP_OTHER;
 364                 rs->sr_text = "SQL-backend error";
 365                 send_ldap_result( op, rs );
 366                 goto done;
 367         }
 368         SQLFreeStmt( sth, SQL_DROP );
 369
 370         /*
 371          * Get attribute type and attribute value of our new rdn,
 372          * we will need to add that to our new entry
 373          */
 374         if ( ldap_bv2rdn( &op->oq_modrdn.rs_newrdn, &new_rdn, &next,
 375                                 LDAP_DN_FORMAT_LDAP ) )
 376         {
 377                 Debug( LDAP_DEBUG_TRACE,
 378                         "   backsql_modrdn: can't figure out "
 379                         "type(s)/values(s) of newrdn\n",
 380                         0, 0, 0 );
 381                 rs->sr_err = LDAP_INVALID_DN_SYNTAX;
 382                 goto done;
 383         }
 384
 385         Debug( LDAP_DEBUG_TRACE,
 386                 "   backsql_modrdn: new_rdn_type=\"%s\", "
 387                 "new_rdn_val=\"%s\"\n",
 388                 new_rdn[ 0 ]->la_attr.bv_val,
 389                 new_rdn[ 0 ]->la_value.bv_val, 0 );
 390
 391         if ( op->oq_modrdn.rs_deleteoldrdn ) {
 392                 if ( ldap_bv2rdn( &op->o_req_dn, &old_rdn, &next,
 393                                         LDAP_DN_FORMAT_LDAP ) )
 394                 {
 395                         Debug( LDAP_DEBUG_TRACE,
 396                                 "   backsql_modrdn: can't figure out "
 397                                 "the old_rdn type(s)/value(s)\n",
 398                                 0, 0, 0 );
 399                         rs->sr_err = LDAP_OTHER;
 400                         goto done;
 401                 }
 402         }
 403
 404         e.e_name = new_dn;
 405         e.e_nname = new_ndn;
 406         rs->sr_err = slap_modrdn2mods( op, rs, &e, old_rdn, new_rdn, &mod );
 407         if ( rs->sr_err != LDAP_SUCCESS ) {
 408                 goto modrdn_return;
 409         }
 410
 411         if ( !acl_check_modlist( op, &e, mod )) {
 412                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 413                 goto modrdn_return;
 414         }
 415
 416         oc = backsql_id2oc( bi, e_id.eid_oc_id );
 417         rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, &e_id, mod );
 418
 419 done:;
 420         /*
 421          * Commit only if all operations succeed
 422          */
 423         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 424                 SQLTransact( SQL_NULL_HENV, dbh, SQL_COMMIT );
 425
 426         } else {
 427                 SQLTransact( SQL_NULL_HENV, dbh, SQL_ROLLBACK );
 428         }
 429
 430 modrdn_return:;
 431         if ( !BER_BVISNULL( &new_dn ) ) {
 432                 slap_sl_free( new_dn.bv_val, op->o_tmpmemctx );
 433         }
 434
 435         if ( !BER_BVISNULL( &new_ndn ) ) {
 436                 slap_sl_free( new_ndn.bv_val, op->o_tmpmemctx );
 437         }
 438
 439         /* LDAP v2 supporting correct attribute handling. */
 440         if ( new_rdn != NULL ) {
 441                 ldap_rdnfree( new_rdn );
 442         }
 443         if ( old_rdn != NULL ) {
 444                 ldap_rdnfree( old_rdn );
 445         }
 446         if ( mod != NULL ) {
 447                 Modifications *tmp;
 448                 for (; mod; mod = tmp ) {
 449                         tmp = mod->sml_next;
 450                         free( mod );
 451                 }
 452         }
 453
 454         if ( !BER_BVISNULL( &new_pe_id.eid_ndn ) ) {
 455                 (void)backsql_free_entryID( &new_pe_id, 0 );
 456         }
 457
 458         send_ldap_result( op, rs );
 459
 460         Debug( LDAP_DEBUG_TRACE, "<==backsql_modrdn()\n", 0, 0, 0 );
 461         return op->o_noop;
 462 }
 463