git.sur5r.net Git - openldap/blob - servers/slapd/back-ldbm/modrdn.c

   1 /* modrdn.c - ldbm backend modrdn routine */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 /*
   9  * LDAP v3 newSuperior support. Add new rdn as an attribute.
  10  * (Full support for v2 also used software/ideas contributed
  11  * by Roy Hooper rhooper@cyberus.ca, thanks to him for his
  12  * submission!.)
  13  *
  14  * Copyright 1999, Juan C. Gomez, All rights reserved.
  15  * This software is not subject to any license of Silicon Graphics
  16  * Inc. or Purdue University.
  17  *
  18  * Redistribution and use in source and binary forms are permitted
  19  * without restriction or fee of any kind as long as this notice
  20  * is preserved.
  21  *
  22  */
  23
  24 #include "portable.h"
  25
  26 #include <stdio.h>
  27
  28 #include <ac/string.h>
  29 #include <ac/socket.h>
  30
  31 #include "slap.h"
  32 #include "back-ldbm.h"
  33 #include "proto-back-ldbm.h"
  34
  35 int
  36 ldbm_back_modrdn(
  37     Backend     *be,
  38     Connection  *conn,
  39     Operation   *op,
  40     const char  *dn,
  41     const char  *ndn,
  42     const char  *newrdn,
  43     int         deleteoldrdn,
  44     const char  *newSuperior
  45 )
  46 {
  47         AttributeDescription *children = slap_schema.si_ad_children;
  48         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
  49         char            *p_dn = NULL, *p_ndn = NULL;
  50         char            *new_dn = NULL, *new_ndn = NULL;
  51         Entry           *e, *p = NULL;
  52         Entry           *matched;
  53         int             isroot = -1;
  54         int             rootlock = 0;
  55 #define CAN_ROLLBACK    -1
  56 #define MUST_DESTROY    1
  57         int             rc = CAN_ROLLBACK;
  58         int             rc_id = 0;
  59         ID              id = NOID;
  60         const char *text = NULL;
  61         char textbuf[SLAP_TEXT_BUFLEN];
  62         size_t textlen = sizeof textbuf;
  63         /* Added to support LDAP v2 correctly (deleteoldrdn thing) */
  64         char            **new_rdn_vals = NULL;  /* Vals of new rdn */
  65         char            **new_rdn_types = NULL; /* Types of new rdn */
  66         int             a_cnt, d_cnt;
  67         char            *old_rdn = NULL;        /* Old rdn's attr type & val */
  68         char            **old_rdn_types = NULL; /* Types of old rdn attrs. */
  69         char            **old_rdn_vals = NULL;  /* Old rdn attribute values */
  70         /* Added to support newSuperior */
  71         Entry           *np = NULL;     /* newSuperior Entry */
  72         char            *np_dn = NULL;  /* newSuperior dn */
  73         char            *np_ndn = NULL; /* newSuperior ndn */
  74         char            *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  75         /* Used to interface with ldbm_modify_internal() */
  76         Modifications   *mod = NULL;            /* Used to delete old/add new rdn */
  77         int             manageDSAit = get_manageDSAit( op );
  78
  79 #ifdef NEW_LOGGING
  80         LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
  81                 "ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  82                 dn ? dn : "NULL", newSuperior ? newSuperior : "NULL" ));
  83 #else
  84         Debug( LDAP_DEBUG_TRACE, "==>ldbm_back_modrdn(newSuperior=%s)\n",
  85             (newSuperior ? newSuperior : "NULL"),
  86             0, 0 );
  87 #endif
  88
  89         /* get entry with writer lock */
  90         if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
  91                 char* matched_dn = NULL;
  92                 struct berval** refs;
  93
  94                 if( matched != NULL ) {
  95                         matched_dn = strdup( matched->e_dn );
  96                         refs = is_entry_referral( matched )
  97                                 ? get_entry_referrals( be, conn, op, matched,
  98                                         dn, LDAP_SCOPE_DEFAULT )
  99                                 : NULL;
 100                         cache_return_entry_r( &li->li_cache, matched );
 101                 } else {
 102                         refs = referral_rewrite( default_referral,
 103                                 NULL, dn, LDAP_SCOPE_DEFAULT );
 104                 }
 105
 106                 send_ldap_result( conn, op, LDAP_REFERRAL,
 107                         matched_dn, NULL, refs, NULL );
 108
 109                 ber_bvecfree( refs );
 110                 free( matched_dn );
 111
 112                 return( -1 );
 113         }
 114
 115         if (!manageDSAit && is_entry_referral( e ) ) {
 116                 /* parent is a referral, don't allow add */
 117                 /* parent is an alias, don't allow add */
 118                 struct berval **refs = get_entry_referrals( be,
 119                         conn, op, e, dn, LDAP_SCOPE_DEFAULT );
 120
 121 #ifdef NEW_LOGGING
 122                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 123                         "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn ));
 124 #else
 125                 Debug( LDAP_DEBUG_TRACE, "entry %s is referral\n", e->e_dn,
 126                     0, 0 );
 127 #endif
 128
 129                 send_ldap_result( conn, op, LDAP_REFERRAL,
 130                     e->e_dn, NULL, refs, NULL );
 131
 132                 ber_bvecfree( refs );
 133                 goto return_results;
 134         }
 135
 136         if ( has_children( be, e ) ) {
 137 #ifdef NEW_LOGGING
 138                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 139                         "ldbm_back_modrdn: entry %s has children\n", e->e_dn ));
 140 #else
 141                 Debug( LDAP_DEBUG_TRACE, "entry %s has children\n", e->e_dn,
 142                     0, 0 );
 143 #endif
 144
 145                 send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF,
 146                     NULL, "subtree rename not supported", NULL, NULL );
 147                 goto return_results;
 148         }
 149
 150         if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL && p_ndn[0] != '\0' ) {
 151                 /* Make sure parent entry exist and we can write its
 152                  * children.
 153                  */
 154
 155                 if( (p = dn2entry_w( be, p_ndn, NULL )) == NULL) {
 156 #ifdef NEW_LOGGING
 157                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 158                                 "ldbm_back_modrdn: parent of %s does not exist\n", e->e_ndn ));
 159 #else
 160                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
 161                                 0, 0, 0);
 162 #endif
 163
 164                         send_ldap_result( conn, op, LDAP_OTHER,
 165                                 NULL, "parent entry does not exist", NULL, NULL );
 166
 167                         goto return_results;
 168                 }
 169
 170                 /* check parent for "children" acl */
 171                 if ( ! access_allowed( be, conn, op, p,
 172                         children, NULL, ACL_WRITE ) )
 173                 {
 174 #ifdef NEW_LOGGING
 175                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 176                                    "ldbm_back_modrdn: no access to parent of (%s)\n", e->e_dn ));
 177 #else
 178                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 179                                 0, 0 );
 180 #endif
 181
 182                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 183                                 NULL, NULL, NULL, NULL );
 184                         goto return_results;
 185                 }
 186
 187 #ifdef NEW_LOGGING
 188                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 189                            "ldbm_back_modrdn: wr to children of entry %s OK\n",
 190                            p_ndn ));
 191 #else
 192                 Debug( LDAP_DEBUG_TRACE,
 193                        "ldbm_back_modrdn: wr to children of entry %s OK\n",
 194                        p_ndn, 0, 0 );
 195 #endif
 196
 197                 p_dn = dn_parent( be, e->e_dn );
 198
 199 #ifdef NEW_LOGGING
 200                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 201                            "ldbm_back_modrdn: parent dn=%s\n", p_dn ));
 202 #else
 203                 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
 204                        p_dn, 0, 0 );
 205 #endif
 206
 207         } else {
 208                 /* no parent, must be root to modify rdn */
 209                 isroot = be_isroot( be, op->o_ndn );
 210                 if ( ! be_isroot ) {
 211                         if ( be_issuffix( be, "" )
 212                                         || be_isupdate( be, op->o_ndn ) ) {
 213                                 static const Entry rootp = { NOID, "", "", NULL, NULL };
 214                                 p = (Entry *)&rootp;
 215
 216                                 rc = access_allowed( be, conn, op, p,
 217                                                 children, NULL, ACL_WRITE );
 218                                 p = NULL;
 219
 220                                 /* check parent for "children" acl */
 221                                 if ( ! rc ) {
 222 #ifdef NEW_LOGGING
 223                                         LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 224                                                 "ldbm_back_modrdn: no access "
 225                                                 "to parent \"\"\n" ));
 226 #else
 227                                         Debug( LDAP_DEBUG_TRACE,
 228                                                 "<=- ldbm_back_modrdn: no "
 229                                                 "access to parent\n", 0, 0, 0 );
 230 #endif
 231
 232                                         send_ldap_result( conn, op,
 233                                                 LDAP_INSUFFICIENT_ACCESS,
 234                                                 NULL, NULL, NULL, NULL );
 235                                         goto return_results;
 236                                 }
 237
 238                         } else {
 239 #ifdef NEW_LOGGING
 240                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 241                                            "ldbm_back_modrdn: (%s) has no "
 242                                            "parent & not a root.\n", dn ));
 243 #else
 244                                 Debug( LDAP_DEBUG_TRACE,
 245                                         "<=- ldbm_back_modrdn: no parent & "
 246                                         "not root\n", 0, 0, 0);
 247 #endif
 248
 249                                 send_ldap_result( conn, op,
 250                                         LDAP_INSUFFICIENT_ACCESS,
 251                                         NULL, NULL, NULL, NULL );
 252                                 goto return_results;
 253                         }
 254                 }
 255
 256                 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
 257                 rootlock = 1;
 258
 259 #ifdef NEW_LOGGING
 260                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 261                            "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn ));
 262 #else
 263                 Debug( LDAP_DEBUG_TRACE,
 264                        "ldbm_back_modrdn: no parent, locked root\n",
 265                        0, 0, 0 );
 266 #endif
 267         }
 268
 269         new_parent_dn = p_dn;   /* New Parent unless newSuperior given */
 270
 271         if ( newSuperior != NULL ) {
 272 #ifdef NEW_LOGGING
 273                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 274                            "ldbm_back_modrdn: new parent \"%s\" requested\n", newSuperior ));
 275 #else
 276                 Debug( LDAP_DEBUG_TRACE,
 277                         "ldbm_back_modrdn: new parent \"%s\" requested...\n",
 278                         newSuperior, 0, 0 );
 279 #endif
 280
 281                 np_dn = ch_strdup( newSuperior );
 282                 np_ndn = ch_strdup( np_dn );
 283                 (void) dn_normalize( np_ndn );
 284
 285                 /* newSuperior == oldParent? */
 286                 if ( strcmp( p_ndn, np_ndn ) == 0 ) {
 287 #ifdef NEW_LOGGING
 288                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 289                                    "ldbm_back_modrdn: new parent\"%s\" seems to be the same as the old parent \"%s\"\n",
 290                                    newSuperior, p_dn ));
 291 #else
 292                         Debug( LDAP_DEBUG_TRACE,
 293                                "ldbm_back_modrdn: new parent \"%s\" seems to be the same as old parent \"%s\"...\n",
 294                                newSuperior, p_dn, 0 );
 295 #endif
 296
 297                         newSuperior = NULL; /* ignore newSuperior */
 298                 }
 299         }
 300
 301         if ( newSuperior != NULL ) {
 302                 /* newSuperior == entry being moved?, if so ==> ERROR */
 303                 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 304
 305                 if ( newSuperior[ 0 ] != '\0' ) {
 306
 307                         if( (np = dn2entry_w( be, np_ndn, NULL )) == NULL) {
 308 #ifdef NEW_LOGGING
 309                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 310                                            "ldbm_back_modrdn: newSup(ndn=%s) not found.\n", np_ndn ));
 311 #else
 312                                 Debug( LDAP_DEBUG_TRACE,
 313                                        "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
 314                                        np_ndn, 0, 0);
 315 #endif
 316
 317                                 send_ldap_result( conn, op, LDAP_OTHER,
 318                                         NULL, "newSuperior not found", NULL, NULL );
 319                                 goto return_results;
 320                         }
 321
 322 #ifdef NEW_LOGGING
 323                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 324                                    "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 325                                    np, np->e_id ));
 326 #else
 327                         Debug( LDAP_DEBUG_TRACE,
 328                                "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 329                                np, np->e_id, 0 );
 330 #endif
 331
 332                         /* check newSuperior for "children" acl */
 333                         if ( !access_allowed( be, conn, op, np, children, NULL,
 334                                               ACL_WRITE ) )
 335                         {
 336 #ifdef NEW_LOGGING
 337                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 338                                            "ldbm_back_modrdn: no wr to newSup children.\n" ));
 339 #else
 340                                 Debug( LDAP_DEBUG_TRACE,
 341                                        "ldbm_back_modrdn: no wr to newSup children\n",
 342                                        0, 0, 0 );
 343 #endif
 344
 345                                 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 346                                         NULL, NULL, NULL, NULL );
 347                                 goto return_results;
 348                         }
 349
 350                         if ( is_entry_alias( np ) ) {
 351                                 /* parent is an alias, don't allow add */
 352 #ifdef NEW_LOGGING
 353                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 354                                            "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn ));
 355 #else
 356                                 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
 357 #endif
 358
 359
 360                                 send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
 361                                     NULL, "newSuperior is an alias", NULL, NULL );
 362
 363                                 goto return_results;
 364                         }
 365
 366                         if ( is_entry_referral( np ) ) {
 367                                 /* parent is a referral, don't allow add */
 368 #ifdef NEW_LOGGING
 369                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 370                                         "ldbm_back_modrdn: entry (%s) is a referral\n",
 371                                 np->e_dn ));
 372 #else
 373                                 Debug( LDAP_DEBUG_TRACE, "entry (%s) is referral\n",
 374                                         np->e_dn, 0, 0 );
 375 #endif
 376
 377                                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 378                                     NULL, "newSuperior is a referral", NULL, NULL );
 379
 380                                 goto return_results;
 381                         }
 382
 383                 } else {
 384
 385                         /* no parent, must be root to modify newSuperior */
 386                         if ( isroot == -1 ) {
 387                                 isroot = be_isroot( be, op->o_ndn );
 388                         }
 389
 390                         if ( ! be_isroot ) {
 391                                 if ( be_issuffix( be, "" )
 392                                                 || be_isupdate( be, op->o_ndn ) ) {
 393                                         static const Entry rootp = { NOID, "", "", NULL, NULL };
 394                                         np = (Entry *)&rootp;
 395
 396                                         rc = access_allowed( be, conn, op, np,
 397                                                         children, NULL, ACL_WRITE );
 398                                         np = NULL;
 399
 400                                         /* check parent for "children" acl */
 401                                         if ( ! rc ) {
 402 #ifdef NEW_LOGGING
 403                                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 404                                                         "ldbm_back_modrdn: no access "
 405                                                         "to new superior \"\"\n" ));
 406 #else
 407                                                 Debug( LDAP_DEBUG_TRACE,
 408                                                         "<=- ldbm_back_modrdn: no "
 409                                                         "access to new superior\n", 0, 0, 0 );
 410 #endif
 411
 412                                                 send_ldap_result( conn, op,
 413                                                         LDAP_INSUFFICIENT_ACCESS,
 414                                                         NULL, NULL, NULL, NULL );
 415                                                 goto return_results;
 416                                         }
 417
 418                                 } else {
 419 #ifdef NEW_LOGGING
 420                                         LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 421                                                    "ldbm_back_modrdn: \"\" "
 422                                                    "not allowed as new superior\n" ));
 423 #else
 424                                         Debug( LDAP_DEBUG_TRACE,
 425                                                 "<=- ldbm_back_modrdn: \"\" "
 426                                                 "not allowed as new superior\n",
 427                                                 0, 0, 0);
 428 #endif
 429
 430                                         send_ldap_result( conn, op,
 431                                                 LDAP_INSUFFICIENT_ACCESS,
 432                                                 NULL, NULL, NULL, NULL );
 433                                         goto return_results;
 434                                 }
 435                         }
 436                 }
 437
 438 #ifdef NEW_LOGGING
 439                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 440                         "ldbm_back_modrdn: wr to new parent's children OK.\n" ));
 441 #else
 442                 Debug( LDAP_DEBUG_TRACE,
 443                     "ldbm_back_modrdn: wr to new parent's children OK\n",
 444                     0, 0, 0 );
 445 #endif
 446
 447                 new_parent_dn = np_dn;
 448         }
 449
 450         /* Build target dn and make sure target entry doesn't exist already. */
 451         build_new_dn( &new_dn, e->e_dn, new_parent_dn, newrdn );
 452
 453         new_ndn = ch_strdup(new_dn);
 454         (void) dn_normalize( new_ndn );
 455
 456 #ifdef NEW_LOGGING
 457         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 458                 "ldbm_back_modrdn: new ndn=%s\n", new_ndn ));
 459 #else
 460         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
 461             new_ndn, 0, 0 );
 462 #endif
 463
 464         /* check for abandon */
 465         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
 466         if ( op->o_abandon ) {
 467                 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 468                 goto return_results;
 469         }
 470
 471         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 472         if ( ( rc_id = dn2id ( be, new_ndn, &id ) ) || id != NOID ) {
 473                 /* if (rc_id) something bad happened to ldbm cache */
 474                 send_ldap_result( conn, op,
 475                         rc_id ? LDAP_OPERATIONS_ERROR : LDAP_ALREADY_EXISTS,
 476                         NULL, NULL, NULL, NULL );
 477                 goto return_results;
 478         }
 479
 480 #ifdef NEW_LOGGING
 481         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 482                    "ldbm_back_modrdn: new ndn (%s) does not exist\n", new_ndn ));
 483 #else
 484         Debug( LDAP_DEBUG_TRACE,
 485                "ldbm_back_modrdn: new ndn=%s does not exist\n",
 486                new_ndn, 0, 0 );
 487 #endif
 488
 489
 490         /* Get attribute types and values of our new rdn, we will
 491          * need to add that to our new entry
 492          */
 493         if ( rdn_attrs( newrdn, &new_rdn_types, &new_rdn_vals ) ) {
 494 #ifdef NEW_LOGGING
 495                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 496                            "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n" ));
 497 #else
 498                 Debug( LDAP_DEBUG_TRACE,
 499                        "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n",
 500                        0, 0, 0 );
 501 #endif
 502
 503                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 504                         NULL, "unable to parse type(s)/value(s) used in RDN", NULL, NULL );
 505                 goto return_results;
 506         }
 507
 508 #ifdef NEW_LOGGING
 509         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 510                    "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
 511                    new_rdn_vals[0], new_rdn_types[0] ));
 512 #else
 513         Debug( LDAP_DEBUG_TRACE,
 514                "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
 515                new_rdn_vals[0], new_rdn_types[0], 0 );
 516 #endif
 517
 518         /* Retrieve the old rdn from the entry's dn */
 519         if ( (old_rdn = dn_rdn( be, dn )) == NULL ) {
 520 #ifdef NEW_LOGGING
 521                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 522                            "ldbm_back_modrdn: can't figure out old_rdn from dn (%s)\n",
 523                            dn ));
 524 #else
 525                 Debug( LDAP_DEBUG_TRACE,
 526                        "ldbm_back_modrdn: can't figure out old_rdn from dn\n",
 527                        0, 0, 0 );
 528 #endif
 529
 530                 send_ldap_result( conn, op, LDAP_OTHER,
 531                         NULL, "could not parse old DN", NULL, NULL );
 532                 goto return_results;
 533         }
 534
 535         if ( rdn_attrs( old_rdn, &old_rdn_types, &old_rdn_vals ) ) {
 536 #ifdef NEW_LOGGING
 537                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 538                            "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s).\n" ));
 539 #else
 540                 Debug( LDAP_DEBUG_TRACE,
 541                        "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s)\n",
 542                        0, 0, 0 );
 543 #endif
 544
 545                 send_ldap_result( conn, op, LDAP_OTHER,
 546                         NULL, "unable to parse type(s)/value(s) used in RDN from old DN", NULL, NULL );
 547                 goto return_results;
 548         }
 549
 550         if ( newSuperior == NULL
 551                 && charray_strcasecmp( (const char **)old_rdn_types, (const char **)new_rdn_types ) != 0 )
 552         {
 553             /* Not a big deal but we may say something */
 554 #ifdef NEW_LOGGING
 555             LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 556                        "ldbm_back_modrdn: old_rdn_type=%s new_rdn_type=%s\n",
 557                        old_rdn_types[0], new_rdn_types[0] ));
 558 #else
 559             Debug( LDAP_DEBUG_TRACE,
 560                    "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
 561                    old_rdn_types[0], new_rdn_types[0], 0 );
 562 #endif
 563         }
 564
 565 #ifdef NEW_LOGGING
 566         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 567                    "ldbm_back_modrdn:  DN_X500\n" ));
 568 #else
 569         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
 570                0, 0, 0 );
 571 #endif
 572
 573         mod = NULL;
 574         for ( a_cnt = 0; new_rdn_types[a_cnt]; a_cnt++ ) {
 575                 int                     rc;
 576                 AttributeDescription    *desc = NULL;
 577                 Modifications           *mod_tmp;
 578                 struct berval           val;
 579
 580
 581                 rc = slap_str2ad( new_rdn_types[a_cnt], &desc, &text );
 582
 583                 if ( rc != LDAP_SUCCESS ) {
 584 #ifdef NEW_LOGGING
 585                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 586                                    "ldbm_back_modrdn: slap_str2ad error: %s (%s)\n",
 587                                    text, new_rdn_types[a_cnt] ));
 588 #else
 589                         Debug( LDAP_DEBUG_TRACE,
 590                                 "ldbm_back_modrdn: %s: %s (new)\n",
 591                                 text, new_rdn_types[a_cnt], 0 );
 592 #endif
 593
 594                         send_ldap_result( conn, op, rc,
 595                                 NULL, text, NULL, NULL );
 596
 597                         goto return_results;
 598                 }
 599
 600                 val.bv_val = new_rdn_vals[a_cnt];
 601                 val.bv_len = strlen( val.bv_val );
 602                 if ( ! access_allowed( be, conn, op, e,
 603                                 desc, &val, ACL_WRITE ) ) {
 604 #ifdef NEW_LOGGING
 605                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 606                                    "ldbm_back_modrdn: access "
 607                                    "not allowed to attr \"%s\"\n",
 608                                    new_rdn_types[a_cnt] ));
 609 #else
 610                         Debug( LDAP_DEBUG_TRACE,
 611                                 "ldbm_back_modrdn: access not allowed "
 612                                 "to attr \"%s\"\n%s%s",
 613                                 new_rdn_types[a_cnt], "", "" );
 614 #endif
 615                         send_ldap_result( conn, op,
 616                                 LDAP_INSUFFICIENT_ACCESS,
 617                                 NULL, NULL, NULL, NULL );
 618
 619                         goto return_results;
 620                 }
 621
 622                 mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications ) );
 623                 mod_tmp->sml_desc = desc;
 624                 mod_tmp->sml_bvalues = (struct berval **)ch_malloc( 2 * sizeof(struct berval *) );
 625                 mod_tmp->sml_bvalues[0] = ber_bvstrdup( new_rdn_vals[a_cnt] );
 626                 mod_tmp->sml_bvalues[1] = NULL;
 627                 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
 628                 mod_tmp->sml_next = mod;
 629                 mod = mod_tmp;
 630         }
 631
 632         /* Remove old rdn value if required */
 633         if ( deleteoldrdn ) {
 634                 /* Get value of old rdn */
 635                 if ( old_rdn_vals == NULL ) {
 636 #ifdef NEW_LOGGING
 637                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 638                                    "ldbm_back_modrdn: can't figure out old RDN value(s) from old RDN\n" ));
 639 #else
 640                         Debug( LDAP_DEBUG_TRACE,
 641                                "ldbm_back_modrdn: can't figure out oldRDN value(s) from old RDN\n",
 642                                0, 0, 0 );
 643 #endif
 644
 645                         send_ldap_result( conn, op, LDAP_OTHER,
 646                                 NULL, "could not parse value(s) from old RDN", NULL, NULL );
 647                         goto return_results;
 648                 }
 649
 650                 for ( d_cnt = 0; old_rdn_types[d_cnt]; d_cnt++ ) {
 651                         int                     rc;
 652                         AttributeDescription    *desc = NULL;
 653                         Modifications           *mod_tmp;
 654                         struct berval           val;
 655
 656
 657                         rc = slap_str2ad( old_rdn_types[d_cnt], &desc, &text );
 658
 659                         if ( rc != LDAP_SUCCESS ) {
 660 #ifdef NEW_LOGGING
 661                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 662                                            "ldbm_back_modrdn: %s: %s (old)\n",
 663                                            text, old_rdn_types[d_cnt] ));
 664 #else
 665                                 Debug( LDAP_DEBUG_TRACE,
 666                                         "ldbm_back_modrdn: %s: %s (old)\n",
 667                                         text, old_rdn_types[d_cnt], 0 );
 668 #endif
 669
 670                                 send_ldap_result( conn, op, rc,
 671                                         NULL, text, NULL, NULL );
 672
 673                                 goto return_results;
 674                         }
 675
 676                         val.bv_val = old_rdn_vals[d_cnt];
 677                         val.bv_len = strlen( val.bv_val );
 678                         if ( ! access_allowed( be, conn, op, e,
 679                                         desc, &val, ACL_WRITE ) ) {
 680 #ifdef NEW_LOGGING
 681                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 682                                            "ldbm_back_modrdn: access "
 683                                            "not allowed to attr \"%s\"\n",
 684                                            old_rdn_types[d_cnt] ));
 685 #else
 686                                 Debug( LDAP_DEBUG_TRACE,
 687                                         "ldbm_back_modrdn: access not allowed "
 688                                         "to attr \"%s\"\n%s%s",
 689                                         old_rdn_types[d_cnt], "", "" );
 690 #endif
 691                                 send_ldap_result( conn, op,
 692                                         LDAP_INSUFFICIENT_ACCESS,
 693                                         NULL, NULL, NULL, NULL );
 694
 695                                 goto return_results;
 696                         }
 697
 698                         /* Remove old value of rdn as an attribute. */
 699                         mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications ) );
 700                         mod_tmp->sml_desc = desc;
 701                         mod_tmp->sml_bvalues = (struct berval **)ch_malloc( 2 * sizeof(struct berval *) );
 702                         mod_tmp->sml_bvalues[0] = ber_bvstrdup( old_rdn_vals[d_cnt] );
 703                         mod_tmp->sml_bvalues[1] = NULL;
 704                         mod_tmp->sml_op = LDAP_MOD_DELETE;
 705                         mod_tmp->sml_next = mod;
 706                         mod = mod_tmp;
 707
 708 #ifdef NEW_LOGGING
 709                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 710                                    "ldbm_back_modrdn: removing old_rdn_val=%s\n", old_rdn_vals[0] ));
 711 #else
 712                         Debug( LDAP_DEBUG_TRACE,
 713                                "ldbm_back_modrdn: removing old_rdn_val=%s\n",
 714                                old_rdn_vals[0], 0, 0 );
 715 #endif
 716                 }
 717         }
 718
 719
 720         /* check for abandon */
 721         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
 722         if ( op->o_abandon ) {
 723                 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 724                 goto return_results;
 725         }
 726         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 727
 728         /* delete old one */
 729         if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
 730                 send_ldap_result( conn, op, LDAP_OTHER,
 731                         NULL, "DN index delete fail", NULL, NULL );
 732                 goto return_results;
 733         }
 734
 735         (void) cache_delete_entry( &li->li_cache, e );
 736         rc = MUST_DESTROY;
 737
 738         /* XXX: there is no going back! */
 739
 740         free( e->e_dn );
 741         free( e->e_ndn );
 742         e->e_dn = new_dn;
 743         e->e_ndn = new_ndn;
 744         new_dn = NULL;
 745         new_ndn = NULL;
 746
 747         /* add new one */
 748         if ( dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
 749                 send_ldap_result( conn, op, LDAP_OTHER,
 750                         NULL, "DN index add failed", NULL, NULL );
 751                 goto return_results;
 752         }
 753
 754         /* modify memory copy of entry */
 755         rc = ldbm_modify_internal( be, conn, op, dn, &mod[0], e,
 756                 &text, textbuf, textlen );
 757
 758         if( rc != LDAP_SUCCESS ) {
 759                 if( rc != SLAPD_ABANDON ) {
 760                         send_ldap_result( conn, op, rc,
 761                                 NULL, text, NULL, NULL );
 762                 }
 763
 764                 /* here we may try to delete the newly added dn */
 765                 if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
 766                         /* we already are in trouble ... */
 767                         ;
 768                 }
 769
 770                 goto return_results;
 771         }
 772
 773         (void) cache_update_entry( &li->li_cache, e );
 774
 775         /* NOTE: after this you must not free new_dn or new_ndn!
 776          * They are used by cache.
 777          */
 778
 779         /* id2entry index */
 780         if ( id2entry_add( be, e ) != 0 ) {
 781                 send_ldap_result( conn, op, LDAP_OTHER,
 782                         NULL, "entry update failed", NULL, NULL );
 783                 goto return_results;
 784         }
 785
 786         send_ldap_result( conn, op, LDAP_SUCCESS,
 787                 NULL, NULL, NULL, NULL );
 788         rc = 0;
 789         cache_entry_commit( e );
 790
 791 return_results:
 792         if( new_dn != NULL ) free( new_dn );
 793         if( new_ndn != NULL ) free( new_ndn );
 794
 795         if( p_dn != NULL ) free( p_dn );
 796         if( p_ndn != NULL ) free( p_ndn );
 797
 798         /* LDAP v2 supporting correct attribute handling. */
 799         if( new_rdn_types != NULL ) charray_free( new_rdn_types );
 800         if( new_rdn_vals != NULL ) charray_free( new_rdn_vals );
 801         if( old_rdn != NULL ) free(old_rdn);
 802         if( old_rdn_types != NULL ) charray_free( old_rdn_types );
 803         if( old_rdn_vals != NULL ) charray_free( old_rdn_vals );
 804
 805         if ( mod != NULL ) {
 806                 slap_mods_free( mod );
 807         }
 808
 809         /* LDAP v3 Support */
 810         if ( np_dn != NULL ) free( np_dn );
 811         if ( np_ndn != NULL ) free( np_ndn );
 812
 813         if( np != NULL ) {
 814                 /* free new parent and writer lock */
 815                 cache_return_entry_w( &li->li_cache, np );
 816         }
 817
 818         if( p != NULL ) {
 819                 /* free parent and writer lock */
 820                 cache_return_entry_w( &li->li_cache, p );
 821         }
 822
 823         if ( rootlock ) {
 824                 /* release root writer lock */
 825                 ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
 826         }
 827
 828         /* free entry and writer lock */
 829         cache_return_entry_w( &li->li_cache, e );
 830         if ( rc == MUST_DESTROY ) {
 831                 /* if rc == MUST_DESTROY the entry is uncached
 832                  * and its private data is destroyed;
 833                  * the entry must be freed */
 834                 entry_free( e );
 835         }
 836         return( rc );
 837 }