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 #ifdef SLAPD_SQL
  24
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27 #include "ac/string.h"
  28
  29 #include "slap.h"
  30 #include "ldap_pvt.h"
  31 #include "proto-sql.h"
  32
  33 int
  34 backsql_modrdn( Operation *op, SlapReply *rs )
  35 {
  36         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  37         SQLHDBC                 dbh;
  38         SQLHSTMT                sth;
  39         RETCODE                 rc;
  40         backsql_entryID         e_id = BACKSQL_ENTRYID_INIT,
  41                                 pe_id = BACKSQL_ENTRYID_INIT,
  42                                 new_pe_id = BACKSQL_ENTRYID_INIT;
  43         backsql_oc_map_rec      *oc = NULL;
  44         struct berval           p_dn = BER_BVNULL, p_ndn = BER_BVNULL,
  45                                 *new_pdn = NULL, *new_npdn = NULL,
  46                                 new_dn = BER_BVNULL, new_ndn = BER_BVNULL;
  47         LDAPRDN                 new_rdn = NULL;
  48         LDAPRDN                 old_rdn = NULL;
  49         Entry                   e;
  50         Modifications           *mod = NULL;
  51         struct berval           *newSuperior = op->oq_modrdn.rs_newSup;
  52         char                    *next;
  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         rs->sr_err = backsql_get_db_conn( op, &dbh );
  59         if ( rs->sr_err != LDAP_SUCCESS ) {
  60                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
  61                         "could not get connection handle - exiting\n",
  62                         0, 0, 0 );
  63                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  64                         ?  "SQL-backend error" : NULL;
  65                 send_ldap_result( op, rs );
  66                 return 1;
  67         }
  68
  69         rs->sr_err = backsql_dn2id( bi, &e_id, dbh, &op->o_req_ndn );
  70         if ( rs->sr_err != LDAP_SUCCESS ) {
  71                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
  72                         "could not lookup entry id\n", 0, 0, 0 );
  73                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  74                         ?  "SQL-backend error" : NULL;
  75                 send_ldap_result( op, rs );
  76                 return 1;
  77         }
  78
  79 #ifdef BACKSQL_ARBITRARY_KEY
  80         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): entry id=%s\n",
  81                 e_id.eid_id.bv_val, 0, 0 );
  82 #else /* ! BACKSQL_ARBITRARY_KEY */
  83         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): entry id=%ld\n",
  84                 e_id.eid_id, 0, 0 );
  85 #endif /* ! BACKSQL_ARBITRARY_KEY */
  86
  87         if ( backsql_has_children( bi, dbh, &op->o_req_ndn ) == LDAP_COMPARE_TRUE ) {
  88                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
  89                         "entry \"%s\" has children\n",
  90                         op->o_req_dn.bv_val, 0, 0 );
  91                 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
  92                 rs->sr_text = "subtree rename not supported";
  93                 send_ldap_result( op, rs );
  94                 return 1;
  95         }
  96
  97         dnParent( &op->o_req_dn, &p_dn );
  98         dnParent( &op->o_req_ndn, &p_ndn );
  99
 100         /*
 101          * namingContext "" is not supported
 102          */
 103         if ( p_dn.bv_len == 0 ) {
 104                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 105                         "parent is \"\" - aborting\n", 0, 0, 0 );
 106                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 107                 rs->sr_text = "not allowed within namingContext";
 108                 send_ldap_result( op, rs );
 109                 goto modrdn_return;
 110         }
 111
 112         /*
 113          * Check for children access to parent
 114          */
 115         e.e_attrs = NULL;
 116         e.e_name = p_dn;
 117         e.e_nname = p_ndn;
 118         if ( !access_allowed( op, &e, slap_schema.si_ad_children,
 119                                 NULL, ACL_WRITE, NULL ) ) {
 120                 Debug( LDAP_DEBUG_TRACE, "   no access to parent\n", 0, 0, 0 );
 121                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 122                 goto modrdn_return;
 123         }
 124
 125         if ( newSuperior ) {
 126                 /*
 127                  * namingContext "" is not supported
 128                  */
 129                 if ( newSuperior->bv_len == 0 ) {
 130                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 131                                 "newSuperior is \"\" - aborting\n", 0, 0, 0 );
 132                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 133                         rs->sr_text = "not allowed within namingContext";
 134                         send_ldap_result( op, rs );
 135                         goto modrdn_return;
 136                 }
 137
 138                 new_pdn = newSuperior;
 139                 new_npdn = op->oq_modrdn.rs_nnewSup;
 140
 141                 e.e_name = *new_pdn;
 142                 e.e_nname = *new_npdn;
 143
 144                 /*
 145                  * Check for children access to new parent
 146                  */
 147                 if ( !access_allowed( op, &e, slap_schema.si_ad_children,
 148                                         NULL, ACL_WRITE, NULL ) ) {
 149                         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 150                                         "no access to new parent \"%s\"\n",
 151                                         new_pdn->bv_val, 0, 0 );
 152                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 153                         goto modrdn_return;
 154                 }
 155
 156         } else {
 157                 new_pdn = &p_dn;
 158                 new_npdn = &p_ndn;
 159         }
 160
 161         if ( newSuperior && dn_match( &p_ndn, new_npdn ) ) {
 162                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 163                         "newSuperior is equal to old parent - ignored\n",
 164                         0, 0, 0 );
 165                 newSuperior = NULL;
 166         }
 167
 168         if ( newSuperior && dn_match( &op->o_req_ndn, new_npdn ) ) {
 169                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 170                         "newSuperior is equal to entry being moved "
 171                         "- aborting\n", 0, 0, 0 );
 172                 rs->sr_err = LDAP_OTHER;
 173                 rs->sr_text = "newSuperior is equal to old DN";
 174                 send_ldap_result( op, rs );
 175                 goto modrdn_return;
 176         }
 177
 178         build_new_dn( &new_dn, new_pdn, &op->oq_modrdn.rs_newrdn,
 179                         op->o_tmpmemctx );
 180         rs->sr_err = dnNormalize( 0, NULL, NULL, &new_dn, &new_ndn,
 181                         op->o_tmpmemctx );
 182         if ( rs->sr_err != LDAP_SUCCESS ) {
 183                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 184                         "new dn is invalid (\"%s\") - aborting\n",
 185                         new_dn.bv_val, 0, 0 );
 186                 rs->sr_text = "unable to build new DN";
 187                 send_ldap_result( op, rs );
 188                 goto modrdn_return;
 189         }
 190
 191         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): new entry dn is \"%s\"\n",
 192                         new_dn.bv_val, 0, 0 );
 193
 194         rs->sr_err = backsql_dn2id( bi, &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         backsql_free_entryID( &pe_id, 0 );
 213
 214         rs->sr_err = backsql_dn2id( bi, &new_pe_id, dbh, new_npdn );
 215         if ( rs->sr_err != LDAP_SUCCESS ) {
 216                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 217                         "could not lookup new parent entry id\n", 0, 0, 0 );
 218                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
 219                         ? "SQL-backend error" : NULL;
 220                 send_ldap_result( op, rs );
 221                 goto modrdn_return;
 222         }
 223
 224 #ifdef BACKSQL_ARBITRARY_KEY
 225         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 226                 "new parent entry id=%s\n", new_pe_id.eid_id.bv_val, 0, 0 );
 227 #else /* ! BACKSQL_ARBITRARY_KEY */
 228         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 229                 "new parent entry id=%ld\n", new_pe_id.eid_id, 0, 0 );
 230 #endif /* ! BACKSQL_ARBITRARY_KEY */
 231
 232
 233         Debug(  LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 234                 "executing delentry_query\n", 0, 0, 0 );
 235
 236         rc = backsql_Prepare( dbh, &sth, bi->delentry_query, 0 );
 237         if ( rc != SQL_SUCCESS ) {
 238                 Debug( LDAP_DEBUG_TRACE,
 239                         "   backsql_modrdn(): "
 240                         "error preparing delentry_query\n", 0, 0, 0 );
 241                 backsql_PrintErrors( bi->db_env, dbh,
 242                                 sth, rc );
 243
 244                 rs->sr_text = "SQL-backend error";
 245                 rs->sr_err = LDAP_OTHER;
 246                 goto done;
 247         }
 248
 249 #ifdef BACKSQL_ARBITRARY_KEY
 250         SQLBindParameter( sth, 1, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_VARCHAR,
 251                         0, 0, e_id.eid_id.bv_val, 0, 0 );
 252 #else /* ! BACKSQL_ARBITRARY_KEY */
 253         SQLBindParameter( sth, 1, SQL_PARAM_INPUT, SQL_C_ULONG, SQL_INTEGER,
 254                         0, 0, &e_id.eid_id, 0, 0 );
 255 #endif /* ! BACKSQL_ARBITRARY_KEY */
 256         rc = SQLExecute( sth );
 257         if ( rc != SQL_SUCCESS ) {
 258                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 259                         "failed to delete record from ldap_entries\n",
 260                         0, 0, 0 );
 261                 backsql_PrintErrors( bi->db_env, dbh, sth, rc );
 262                 SQLFreeStmt( sth, SQL_DROP );
 263                 rs->sr_err = LDAP_OTHER;
 264                 rs->sr_text = "SQL-backend error";
 265                 send_ldap_result( op, rs );
 266                 goto done;
 267         }
 268
 269         SQLFreeStmt( sth, SQL_DROP );
 270
 271         Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 272                 "executing insentry_query\n", 0, 0, 0 );
 273
 274         rc = backsql_Prepare( dbh, &sth, bi->insentry_query, 0 );
 275         if ( rc != SQL_SUCCESS ) {
 276                 Debug( LDAP_DEBUG_TRACE,
 277                         "   backsql_modrdn(): "
 278                         "error preparing insentry_query\n", 0, 0, 0 );
 279                 backsql_PrintErrors( bi->db_env, dbh,
 280                                 sth, rc );
 281
 282                 rs->sr_text = "SQL-backend error";
 283                 rs->sr_err = LDAP_OTHER;
 284                 goto done;
 285         }
 286
 287         backsql_BindParamStr( sth, 1, new_dn.bv_val, BACKSQL_MAX_DN_LEN );
 288         SQLBindParameter( sth, 2, SQL_PARAM_INPUT, SQL_C_LONG, SQL_INTEGER,
 289                         0, 0, &e_id.eid_oc_id, 0, 0 );
 290 #ifdef BACKSQL_ARBITRARY_KEY
 291         SQLBindParameter( sth, 3, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_VARCHAR,
 292                         0, 0, new_pe_id.eid_id.bv_val, 0, 0 );
 293         SQLBindParameter( sth, 4, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_VARCHAR,
 294                         0, 0, e_id.eid_keyval.bv_val, 0, 0 );
 295 #else /* ! BACKSQL_ARBITRARY_KEY */
 296         SQLBindParameter( sth, 3, SQL_PARAM_INPUT, SQL_C_LONG, SQL_INTEGER,
 297                         0, 0, &new_pe_id.eid_id, 0, 0 );
 298         SQLBindParameter( sth, 4, SQL_PARAM_INPUT, SQL_C_LONG, SQL_INTEGER,
 299                         0, 0, &e_id.eid_keyval, 0, 0 );
 300 #endif /* ! BACKSQL_ARBITRARY_KEY */
 301         rc = SQLExecute( sth );
 302         if ( rc != SQL_SUCCESS ) {
 303                 Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
 304                         "could not insert ldap_entries record\n", 0, 0, 0 );
 305                 backsql_PrintErrors( bi->db_env, dbh, sth, rc );
 306                 SQLFreeStmt( sth, SQL_DROP );
 307                 rs->sr_err = LDAP_OTHER;
 308                 rs->sr_text = "SQL-backend error";
 309                 send_ldap_result( op, rs );
 310                 goto done;
 311         }
 312         SQLFreeStmt( sth, SQL_DROP );
 313
 314         /*
 315          * Get attribute type and attribute value of our new rdn,
 316          * we will need to add that to our new entry
 317          */
 318         if ( ldap_bv2rdn( &op->oq_modrdn.rs_newrdn, &new_rdn, &next,
 319                                 LDAP_DN_FORMAT_LDAP ) )
 320         {
 321                 Debug( LDAP_DEBUG_TRACE,
 322                         "   backsql_modrdn: can't figure out "
 323                         "type(s)/values(s) of newrdn\n",
 324                         0, 0, 0 );
 325                 rs->sr_err = LDAP_INVALID_DN_SYNTAX;
 326                 goto done;
 327         }
 328
 329         Debug( LDAP_DEBUG_TRACE,
 330                 "   backsql_modrdn: new_rdn_type=\"%s\", "
 331                 "new_rdn_val=\"%s\"\n",
 332                 new_rdn[ 0 ]->la_attr.bv_val,
 333                 new_rdn[ 0 ]->la_value.bv_val, 0 );
 334
 335         if ( op->oq_modrdn.rs_deleteoldrdn ) {
 336                 if ( ldap_bv2rdn( &op->o_req_dn, &old_rdn, &next,
 337                                         LDAP_DN_FORMAT_LDAP ) )
 338                 {
 339                         Debug( LDAP_DEBUG_TRACE,
 340                                 "   backsql_modrdn: can't figure out "
 341                                 "the old_rdn type(s)/value(s)\n",
 342                                 0, 0, 0 );
 343                         rs->sr_err = LDAP_OTHER;
 344                         goto done;
 345                 }
 346         }
 347
 348         e.e_name = new_dn;
 349         e.e_nname = new_ndn;
 350         rs->sr_err = slap_modrdn2mods( op, rs, &e, old_rdn, new_rdn, &mod );
 351         if ( rs->sr_err != LDAP_SUCCESS ) {
 352                 goto modrdn_return;
 353         }
 354
 355         if ( !acl_check_modlist( op, &e, mod )) {
 356                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 357                 goto modrdn_return;
 358         }
 359
 360         oc = backsql_id2oc( bi, e_id.eid_oc_id );
 361         rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, &e_id, mod );
 362
 363 done:;
 364         /*
 365          * Commit only if all operations succeed
 366          */
 367         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 368                 SQLTransact( SQL_NULL_HENV, dbh, SQL_COMMIT );
 369
 370         } else {
 371                 SQLTransact( SQL_NULL_HENV, dbh, SQL_ROLLBACK );
 372         }
 373
 374 modrdn_return:;
 375         if ( !BER_BVISNULL( &new_dn ) ) {
 376                 slap_sl_free( new_dn.bv_val, op->o_tmpmemctx );
 377         }
 378
 379         if ( !BER_BVISNULL( &new_ndn ) ) {
 380                 slap_sl_free( new_ndn.bv_val, op->o_tmpmemctx );
 381         }
 382
 383         /* LDAP v2 supporting correct attribute handling. */
 384         if ( new_rdn != NULL ) {
 385                 ldap_rdnfree( new_rdn );
 386         }
 387         if ( old_rdn != NULL ) {
 388                 ldap_rdnfree( old_rdn );
 389         }
 390         if ( mod != NULL ) {
 391                 Modifications *tmp;
 392                 for (; mod; mod = tmp ) {
 393                         tmp = mod->sml_next;
 394                         free( mod );
 395                 }
 396         }
 397
 398         if ( new_pe_id.eid_dn.bv_val ) {
 399                 backsql_free_entryID( &new_pe_id, 0 );
 400         }
 401
 402         send_ldap_result( op, rs );
 403
 404         Debug( LDAP_DEBUG_TRACE, "<==backsql_modrdn()\n", 0, 0, 0 );
 405         return op->o_noop;
 406 }
 407
 408 #endif /* SLAPD_SQL */
 409