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

   1 /* modrdn.c - ldbm backend modrdn routine */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 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     struct berval       *dn,
  41     struct berval       *ndn,
  42     struct berval       *newrdn,
  43     struct berval       *nnewrdn,
  44     int         deleteoldrdn,
  45     struct berval       *newSuperior,
  46     struct berval       *nnewSuperior
  47 )
  48 {
  49         AttributeDescription *children = slap_schema.si_ad_children;
  50         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
  51         struct berval   p_dn, p_ndn;
  52         struct berval   new_dn = { 0, NULL}, new_ndn = { 0, NULL };
  53         Entry           *e, *p = NULL;
  54         Entry           *matched;
  55         int             isroot = -1;
  56         int             rootlock = 0;
  57 #define CAN_ROLLBACK    -1
  58 #define MUST_DESTROY    1
  59         int             rc = CAN_ROLLBACK;
  60         int             rc_id = 0;
  61         ID              id = NOID;
  62         const char *text = NULL;
  63         char textbuf[SLAP_TEXT_BUFLEN];
  64         size_t textlen = sizeof textbuf;
  65         /* Added to support LDAP v2 correctly (deleteoldrdn thing) */
  66         LDAPRDN         *new_rdn;
  67         LDAPRDN         *old_rdn;
  68         int             a_cnt, d_cnt;
  69         /* Added to support newSuperior */
  70         Entry           *np = NULL;     /* newSuperior Entry */
  71         struct berval   *np_ndn = NULL; /* newSuperior ndn */
  72         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  73         /* Used to interface with ldbm_modify_internal() */
  74         Modifications   *mod = NULL;            /* Used to delete old/add new rdn */
  75         int             manageDSAit = get_manageDSAit( op );
  76
  77 #ifdef NEW_LOGGING
  78         LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
  79                 "ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  80                 dn->bv_len ? dn->bv_val : "NULL",
  81                 ( newSuperior && newSuperior->bv_len )
  82                         ? newSuperior->bv_val : "NULL" ));
  83 #else
  84         Debug( LDAP_DEBUG_TRACE,
  85                 "==>ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  86                 dn->bv_len ? dn->bv_val : "NULL",
  87                 ( newSuperior && newSuperior->bv_len )
  88                         ? newSuperior->bv_val : "NULL", 0 );
  89 #endif
  90
  91         /* get entry with writer lock */
  92         if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
  93                 char* matched_dn = NULL;
  94                 BVarray refs;
  95
  96                 if( matched != NULL ) {
  97                         matched_dn = strdup( matched->e_dn );
  98                         refs = is_entry_referral( matched )
  99                                 ? get_entry_referrals( be, conn, op, matched )
 100                                 : NULL;
 101                         cache_return_entry_r( &li->li_cache, matched );
 102                 } else {
 103                         refs = referral_rewrite( default_referral,
 104                                 NULL, dn, LDAP_SCOPE_DEFAULT );
 105                 }
 106
 107                 send_ldap_result( conn, op, LDAP_REFERRAL,
 108                         matched_dn, NULL, refs, NULL );
 109
 110                 if ( refs ) bvarray_free( refs );
 111                 free( matched_dn );
 112
 113                 return( -1 );
 114         }
 115
 116         if (!manageDSAit && is_entry_referral( e ) ) {
 117                 /* parent is a referral, don't allow add */
 118                 /* parent is an alias, don't allow add */
 119                 BVarray refs = get_entry_referrals( be,
 120                         conn, op, e );
 121
 122 #ifdef NEW_LOGGING
 123                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 124                         "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn ));
 125 #else
 126                 Debug( LDAP_DEBUG_TRACE, "entry %s is referral\n", e->e_dn,
 127                     0, 0 );
 128 #endif
 129
 130                 send_ldap_result( conn, op, LDAP_REFERRAL,
 131                     e->e_dn, NULL, refs, NULL );
 132
 133                 if ( refs ) bvarray_free( refs );
 134                 goto return_results;
 135         }
 136
 137         if ( has_children( be, e ) ) {
 138 #ifdef NEW_LOGGING
 139                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 140                         "ldbm_back_modrdn: entry %s has children\n", e->e_dn ));
 141 #else
 142                 Debug( LDAP_DEBUG_TRACE, "entry %s has children\n", e->e_dn,
 143                     0, 0 );
 144 #endif
 145
 146                 send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF,
 147                     NULL, "subtree rename not supported", NULL, NULL );
 148                 goto return_results;
 149         }
 150
 151         p_ndn.bv_val = dn_parent( be, e->e_ndn );
 152         if ( p_ndn.bv_val )
 153                 p_ndn.bv_len = e->e_nname.bv_len - (p_ndn.bv_val - e->e_ndn);
 154         else
 155                 p_ndn.bv_len = 0;
 156
 157         if ( p_ndn.bv_len != 0 ) {
 158                 /* Make sure parent entry exist and we can write its
 159                  * children.
 160                  */
 161
 162                 if( (p = dn2entry_w( be, &p_ndn, NULL )) == NULL) {
 163 #ifdef NEW_LOGGING
 164                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 165                                 "ldbm_back_modrdn: parent of %s does not exist\n", e->e_ndn ));
 166 #else
 167                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
 168                                 0, 0, 0);
 169 #endif
 170
 171                         send_ldap_result( conn, op, LDAP_OTHER,
 172                                 NULL, "parent entry does not exist", NULL, NULL );
 173
 174                         goto return_results;
 175                 }
 176
 177                 /* check parent for "children" acl */
 178                 if ( ! access_allowed( be, conn, op, p,
 179                         children, NULL, ACL_WRITE ) )
 180                 {
 181 #ifdef NEW_LOGGING
 182                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 183                                    "ldbm_back_modrdn: no access to parent of (%s)\n", e->e_dn ));
 184 #else
 185                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 186                                 0, 0 );
 187 #endif
 188
 189                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 190                                 NULL, NULL, NULL, NULL );
 191                         goto return_results;
 192                 }
 193
 194 #ifdef NEW_LOGGING
 195                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 196                            "ldbm_back_modrdn: wr to children of entry %s OK\n",
 197                            p_ndn.bv_val ));
 198 #else
 199                 Debug( LDAP_DEBUG_TRACE,
 200                        "ldbm_back_modrdn: wr to children of entry %s OK\n",
 201                        p_ndn.bv_val, 0, 0 );
 202 #endif
 203
 204                 p_dn.bv_val = dn_parent( be, e->e_dn );
 205                 if ( p_dn.bv_val )
 206                         p_dn.bv_len = e->e_name.bv_len - (p_dn.bv_val - e->e_dn);
 207                 else
 208                         p_dn.bv_len = 0;
 209
 210 #ifdef NEW_LOGGING
 211                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 212                            "ldbm_back_modrdn: parent dn=%s\n", p_dn.bv_val ));
 213 #else
 214                 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
 215                        p_dn.bv_val, 0, 0 );
 216 #endif
 217
 218         } else {
 219                 /* no parent, must be root to modify rdn */
 220                 isroot = be_isroot( be, &op->o_ndn );
 221                 if ( ! isroot ) {
 222                         if ( be_issuffix( be, "" ) || be_isupdate( be, &op->o_ndn ) ) {
 223                                 p = (Entry *)&slap_entry_root;
 224
 225                                 rc = access_allowed( be, conn, op, p,
 226                                                 children, NULL, ACL_WRITE );
 227                                 p = NULL;
 228
 229                                 /* check parent for "children" acl */
 230                                 if ( ! rc ) {
 231 #ifdef NEW_LOGGING
 232                                         LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 233                                                 "ldbm_back_modrdn: no access "
 234                                                 "to parent \"\"\n" ));
 235 #else
 236                                         Debug( LDAP_DEBUG_TRACE,
 237                                                 "<=- ldbm_back_modrdn: no "
 238                                                 "access to parent\n", 0, 0, 0 );
 239 #endif
 240
 241                                         send_ldap_result( conn, op,
 242                                                 LDAP_INSUFFICIENT_ACCESS,
 243                                                 NULL, NULL, NULL, NULL );
 244                                         goto return_results;
 245                                 }
 246
 247                         } else {
 248 #ifdef NEW_LOGGING
 249                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 250                                            "ldbm_back_modrdn: (%s) has no "
 251                                            "parent & not a root.\n", dn ));
 252 #else
 253                                 Debug( LDAP_DEBUG_TRACE,
 254                                         "<=- ldbm_back_modrdn: no parent & "
 255                                         "not root\n", 0, 0, 0);
 256 #endif
 257
 258                                 send_ldap_result( conn, op,
 259                                         LDAP_INSUFFICIENT_ACCESS,
 260                                         NULL, NULL, NULL, NULL );
 261                                 goto return_results;
 262                         }
 263                 }
 264
 265                 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
 266                 rootlock = 1;
 267
 268 #ifdef NEW_LOGGING
 269                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 270                            "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn ));
 271 #else
 272                 Debug( LDAP_DEBUG_TRACE,
 273                        "ldbm_back_modrdn: no parent, locked root\n",
 274                        0, 0, 0 );
 275 #endif
 276         }
 277
 278         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 279
 280         if ( newSuperior != NULL ) {
 281 #ifdef NEW_LOGGING
 282                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 283                         "ldbm_back_modrdn: new parent \"%s\" requested\n",
 284                         newSuperior->bv_val ));
 285 #else
 286                 Debug( LDAP_DEBUG_TRACE,
 287                         "ldbm_back_modrdn: new parent \"%s\" requested...\n",
 288                         newSuperior->bv_val, 0, 0 );
 289 #endif
 290
 291                 np_ndn = nnewSuperior;
 292
 293                 /* newSuperior == oldParent? */
 294                 if ( p_ndn.bv_len == np_ndn->bv_len &&
 295                         strcmp( p_ndn.bv_val, np_ndn->bv_val ) == 0 ) {
 296 #ifdef NEW_LOGGING
 297                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO, "ldbm_back_modrdn: "
 298                                 "new parent\"%s\" seems to be the same as the "
 299                                 "old parent \"%s\"\n",
 300                                 newSuperior->bv_val, p_dn.bv_val ));
 301 #else
 302                         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: "
 303                                 "new parent\"%s\" seems to be the same as the "
 304                                 "old parent \"%s\"\n",
 305                                 newSuperior->bv_val, p_dn.bv_val, 0 );
 306 #endif
 307
 308                         newSuperior = NULL; /* ignore newSuperior */
 309                 }
 310         }
 311
 312         if ( newSuperior != NULL ) {
 313                 /* newSuperior == entry being moved?, if so ==> ERROR */
 314                 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 315
 316                 if ( nnewSuperior->bv_len ) {
 317                         if( (np = dn2entry_w( be, np_ndn, NULL )) == NULL) {
 318 #ifdef NEW_LOGGING
 319                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 320                                         "ldbm_back_modrdn: newSup(ndn=%s) not found.\n", np_ndn->bv_val ));
 321 #else
 322                                 Debug( LDAP_DEBUG_TRACE,
 323                                     "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
 324                                     np_ndn->bv_val, 0, 0);
 325 #endif
 326
 327                                 send_ldap_result( conn, op, LDAP_OTHER,
 328                                         NULL, "newSuperior not found", NULL, NULL );
 329                                 goto return_results;
 330                         }
 331
 332 #ifdef NEW_LOGGING
 333                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 334                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 335                                 np, np->e_id ));
 336 #else
 337                         Debug( LDAP_DEBUG_TRACE,
 338                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 339                                 np, np->e_id, 0 );
 340 #endif
 341
 342                         /* check newSuperior for "children" acl */
 343                         if ( !access_allowed( be, conn, op, np, children, NULL,
 344                                               ACL_WRITE ) )
 345                         {
 346 #ifdef NEW_LOGGING
 347                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 348                                            "ldbm_back_modrdn: no wr to newSup children.\n" ));
 349 #else
 350                                 Debug( LDAP_DEBUG_TRACE,
 351                                        "ldbm_back_modrdn: no wr to newSup children\n",
 352                                        0, 0, 0 );
 353 #endif
 354
 355                                 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 356                                         NULL, NULL, NULL, NULL );
 357                                 goto return_results;
 358                         }
 359
 360                         if ( is_entry_alias( np ) ) {
 361                                 /* parent is an alias, don't allow add */
 362 #ifdef NEW_LOGGING
 363                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 364                                            "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn ));
 365 #else
 366                                 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
 367 #endif
 368
 369
 370                                 send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
 371                                     NULL, "newSuperior is an alias", NULL, NULL );
 372
 373                                 goto return_results;
 374                         }
 375
 376                         if ( is_entry_referral( np ) ) {
 377                                 /* parent is a referral, don't allow add */
 378 #ifdef NEW_LOGGING
 379                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 380                                         "ldbm_back_modrdn: entry (%s) is a referral\n",
 381                                 np->e_dn ));
 382 #else
 383                                 Debug( LDAP_DEBUG_TRACE, "entry (%s) is referral\n",
 384                                         np->e_dn, 0, 0 );
 385 #endif
 386
 387                                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 388                                     NULL, "newSuperior is a referral", NULL, NULL );
 389
 390                                 goto return_results;
 391                         }
 392
 393                 } else {
 394
 395                         /* no parent, must be root to modify newSuperior */
 396                         if ( isroot == -1 ) {
 397                                 isroot = be_isroot( be, &op->o_ndn );
 398                         }
 399
 400                         if ( ! isroot ) {
 401                                 if ( be_issuffix( be, "" ) || be_isupdate( be, &op->o_ndn ) ) {
 402                                         np = (Entry *)&slap_entry_root;
 403
 404                                         rc = access_allowed( be, conn, op, np,
 405                                                         children, NULL, ACL_WRITE );
 406                                         np = NULL;
 407
 408                                         /* check parent for "children" acl */
 409                                         if ( ! rc ) {
 410 #ifdef NEW_LOGGING
 411                                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 412                                                         "ldbm_back_modrdn: no access "
 413                                                         "to new superior \"\"\n" ));
 414 #else
 415                                                 Debug( LDAP_DEBUG_TRACE,
 416                                                         "<=- ldbm_back_modrdn: no "
 417                                                         "access to new superior\n", 0, 0, 0 );
 418 #endif
 419
 420                                                 send_ldap_result( conn, op,
 421                                                         LDAP_INSUFFICIENT_ACCESS,
 422                                                         NULL, NULL, NULL, NULL );
 423                                                 goto return_results;
 424                                         }
 425
 426                                 } else {
 427 #ifdef NEW_LOGGING
 428                                         LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 429                                                    "ldbm_back_modrdn: \"\" "
 430                                                    "not allowed as new superior\n" ));
 431 #else
 432                                         Debug( LDAP_DEBUG_TRACE,
 433                                                 "<=- ldbm_back_modrdn: \"\" "
 434                                                 "not allowed as new superior\n",
 435                                                 0, 0, 0);
 436 #endif
 437
 438                                         send_ldap_result( conn, op,
 439                                                 LDAP_INSUFFICIENT_ACCESS,
 440                                                 NULL, NULL, NULL, NULL );
 441                                         goto return_results;
 442                                 }
 443                         }
 444                 }
 445
 446 #ifdef NEW_LOGGING
 447                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 448                         "ldbm_back_modrdn: wr to new parent's children OK.\n" ));
 449 #else
 450                 Debug( LDAP_DEBUG_TRACE,
 451                     "ldbm_back_modrdn: wr to new parent's children OK\n",
 452                     0, 0, 0 );
 453 #endif
 454
 455                 new_parent_dn = newSuperior;
 456         }
 457
 458         /* Build target dn and make sure target entry doesn't exist already. */
 459         build_new_dn( &new_dn, new_parent_dn, newrdn );
 460         dnNormalize2( NULL, &new_dn, &new_ndn );
 461
 462 #ifdef NEW_LOGGING
 463         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 464                 "ldbm_back_modrdn: new ndn=%s\n", new_ndn.bv_val ));
 465 #else
 466         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
 467             new_ndn.bv_val, 0, 0 );
 468 #endif
 469
 470         /* check for abandon */
 471         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
 472         if ( op->o_abandon ) {
 473                 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 474                 goto return_results;
 475         }
 476
 477         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 478         if ( ( rc_id = dn2id ( be, &new_ndn, &id ) ) || id != NOID ) {
 479                 /* if (rc_id) something bad happened to ldbm cache */
 480                 send_ldap_result( conn, op,
 481                         rc_id ? LDAP_OPERATIONS_ERROR : LDAP_ALREADY_EXISTS,
 482                         NULL, NULL, NULL, NULL );
 483                 goto return_results;
 484         }
 485
 486 #ifdef NEW_LOGGING
 487         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 488                 "ldbm_back_modrdn: new ndn (%s) does not exist\n", new_ndn.bv_val ));
 489 #else
 490         Debug( LDAP_DEBUG_TRACE,
 491             "ldbm_back_modrdn: new ndn=%s does not exist\n",
 492             new_ndn.bv_val, 0, 0 );
 493 #endif
 494
 495
 496         /* Get attribute types and values of our new rdn, we will
 497          * need to add that to our new entry
 498          */
 499         if ( ldap_str2rdn( newrdn->bv_val, &new_rdn, (char **)&text,
 500                 LDAP_DN_FORMAT_LDAP ) )
 501         {
 502 #ifdef NEW_LOGGING
 503                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 504                         "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n" ));
 505 #else
 506                 Debug( LDAP_DEBUG_TRACE,
 507                     "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n",
 508                     0, 0, 0 );
 509 #endif
 510
 511                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 512                         NULL, "unable to parse type(s)/value(s) used in RDN", NULL, NULL );
 513                 goto return_results;
 514         }
 515
 516 #ifdef NEW_LOGGING
 517         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 518                    "ldbm_back_modrdn: new_rdn_type=\"%s\", new_rdn_val=\"%s\"\n",
 519                    new_rdn[0][0]->la_attr.bv_val, new_rdn[0][0]->la_value.bv_val ));
 520 #else
 521         Debug( LDAP_DEBUG_TRACE,
 522                "ldbm_back_modrdn: new_rdn_type=\"%s\", new_rdn_val=\"%s\"\n",
 523                new_rdn[0][0]->la_attr.bv_val, new_rdn[0][0]->la_value.bv_val, 0 );
 524 #endif
 525
 526         /* Retrieve the old rdn from the entry's dn */
 527         if ( ldap_str2rdn( dn->bv_val, &old_rdn, (char **)&text,
 528                 LDAP_DN_FORMAT_LDAP ) )
 529         {
 530 #ifdef NEW_LOGGING
 531                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 532                            "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s).\n" ));
 533 #else
 534                 Debug( LDAP_DEBUG_TRACE,
 535                        "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s)\n",
 536                        0, 0, 0 );
 537 #endif
 538
 539                 send_ldap_result( conn, op, LDAP_OTHER,
 540                         NULL, "unable to parse type(s)/value(s) used in RDN from old DN", NULL, NULL );
 541                 goto return_results;
 542         }
 543
 544 #if 0
 545         if ( newSuperior == NULL
 546                 && charray_strcasecmp( (const char **)old_rdn_types, (const char **)new_rdn_types ) != 0 )
 547         {
 548             /* Not a big deal but we may say something */
 549 #ifdef NEW_LOGGING
 550             LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 551                        "ldbm_back_modrdn: old_rdn_type=%s new_rdn_type=%s\n",
 552                        old_rdn_types[0], new_rdn_types[0] ));
 553 #else
 554             Debug( LDAP_DEBUG_TRACE,
 555                    "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
 556                    old_rdn_types[0], new_rdn_types[0], 0 );
 557 #endif
 558         }
 559 #endif
 560
 561 #ifdef NEW_LOGGING
 562         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 563                    "ldbm_back_modrdn:  DN_X500\n" ));
 564 #else
 565         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
 566                0, 0, 0 );
 567 #endif
 568
 569         mod = NULL;
 570         for ( a_cnt = 0; new_rdn[0][a_cnt]; a_cnt++ ) {
 571                 int                     rc;
 572                 AttributeDescription    *desc = NULL;
 573                 Modifications           *mod_tmp;
 574
 575                 rc = slap_bv2ad( &new_rdn[0][a_cnt]->la_attr, &desc, &text );
 576
 577                 if ( rc != LDAP_SUCCESS ) {
 578 #ifdef NEW_LOGGING
 579                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 580                                    "ldbm_back_modrdn: slap_bv2ad error: %s (%s)\n",
 581                                    text, new_rdn[0][a_cnt]->la_attr.bv_val ));
 582 #else
 583                         Debug( LDAP_DEBUG_TRACE,
 584                                 "ldbm_back_modrdn: %s: %s (new)\n",
 585                                 text, new_rdn[0][a_cnt]->la_attr.bv_val, 0 );
 586 #endif
 587
 588                         send_ldap_result( conn, op, rc,
 589                                 NULL, text, NULL, NULL );
 590
 591                         goto return_results;
 592                 }
 593
 594                 if ( ! access_allowed( be, conn, op, e,
 595                                 desc, &new_rdn[0][a_cnt]->la_value, ACL_WRITE ) ) {
 596 #ifdef NEW_LOGGING
 597                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 598                                    "ldbm_back_modrdn: access "
 599                                    "not allowed to attr \"%s\"\n",
 600                                    new_rdn[0][a_cnt]->la_attr.bv_val ));
 601 #else
 602                         Debug( LDAP_DEBUG_TRACE,
 603                                 "ldbm_back_modrdn: access not allowed "
 604                                 "to attr \"%s\"\n%s%s",
 605                                 new_rdn[0][a_cnt]->la_attr.bv_val, "", "" );
 606 #endif
 607                         send_ldap_result( conn, op,
 608                                 LDAP_INSUFFICIENT_ACCESS,
 609                                 NULL, NULL, NULL, NULL );
 610
 611                         goto return_results;
 612                 }
 613
 614                 mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications )
 615                         + 2 * sizeof( struct berval ) );
 616                 mod_tmp->sml_desc = desc;
 617                 mod_tmp->sml_bvalues = (BVarray)( mod_tmp + 1 );
 618                 mod_tmp->sml_bvalues[0] = new_rdn[0][a_cnt]->la_value;
 619                 mod_tmp->sml_bvalues[1].bv_val = NULL;
 620                 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
 621                 mod_tmp->sml_next = mod;
 622                 mod = mod_tmp;
 623         }
 624
 625         /* Remove old rdn value if required */
 626         if ( deleteoldrdn ) {
 627                 /* Get value of old rdn */
 628                 if ( old_rdn == NULL ) {
 629 #ifdef NEW_LOGGING
 630                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 631                                    "ldbm_back_modrdn: can't figure out old RDN value(s) from old RDN\n" ));
 632 #else
 633                         Debug( LDAP_DEBUG_TRACE,
 634                                "ldbm_back_modrdn: can't figure out oldRDN value(s) from old RDN\n",
 635                                0, 0, 0 );
 636 #endif
 637
 638                         send_ldap_result( conn, op, LDAP_OTHER,
 639                                 NULL, "could not parse value(s) from old RDN", NULL, NULL );
 640                         goto return_results;
 641                 }
 642
 643                 for ( d_cnt = 0; old_rdn[0][d_cnt]; d_cnt++ ) {
 644                         int                     rc;
 645                         AttributeDescription    *desc = NULL;
 646                         Modifications           *mod_tmp;
 647
 648                         rc = slap_bv2ad( &old_rdn[0][d_cnt]->la_attr, &desc, &text );
 649
 650                         if ( rc != LDAP_SUCCESS ) {
 651 #ifdef NEW_LOGGING
 652                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 653                                            "ldbm_back_modrdn: %s: %s (old)\n",
 654                                            text, old_rdn[0][d_cnt]->la_attr.bv_val ));
 655 #else
 656                                 Debug( LDAP_DEBUG_TRACE,
 657                                         "ldbm_back_modrdn: %s: %s (old)\n",
 658                                         text, old_rdn[0][d_cnt]->la_attr.bv_val, 0 );
 659 #endif
 660
 661                                 send_ldap_result( conn, op, rc,
 662                                         NULL, text, NULL, NULL );
 663
 664                                 goto return_results;
 665                         }
 666
 667                         if ( ! access_allowed( be, conn, op, e,
 668                                         desc, &old_rdn[0][d_cnt]->la_value, ACL_WRITE ) ) {
 669 #ifdef NEW_LOGGING
 670                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 671                                            "ldbm_back_modrdn: access "
 672                                            "not allowed to attr \"%s\"\n",
 673                                            old_rdn[0][d_cnt]->la_attr.bv_val ));
 674 #else
 675                                 Debug( LDAP_DEBUG_TRACE,
 676                                         "ldbm_back_modrdn: access not allowed "
 677                                         "to attr \"%s\"\n%s%s",
 678                                         old_rdn[0][d_cnt]->la_attr.bv_val, "", "" );
 679 #endif
 680                                 send_ldap_result( conn, op,
 681                                         LDAP_INSUFFICIENT_ACCESS,
 682                                         NULL, NULL, NULL, NULL );
 683
 684                                 goto return_results;
 685                         }
 686
 687                         /* Remove old value of rdn as an attribute. */
 688                         mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications )
 689                                 + 2 * sizeof( struct berval ) );
 690                         mod_tmp->sml_desc = desc;
 691                         mod_tmp->sml_bvalues = (BVarray)(mod_tmp+1);
 692                         mod_tmp->sml_bvalues[0] = old_rdn[0][d_cnt]->la_value;
 693                         mod_tmp->sml_bvalues[1].bv_val = NULL;
 694                         mod_tmp->sml_op = LDAP_MOD_DELETE;
 695                         mod_tmp->sml_next = mod;
 696                         mod = mod_tmp;
 697
 698 #ifdef NEW_LOGGING
 699                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 700                                    "ldbm_back_modrdn: removing old_rdn_val=%s\n", old_rdn[0][d_cnt]->la_value.bv_val ));
 701 #else
 702                         Debug( LDAP_DEBUG_TRACE,
 703                                "ldbm_back_modrdn: removing old_rdn_val=%s\n",
 704                                old_rdn[0][d_cnt]->la_value.bv_val, 0, 0 );
 705 #endif
 706                 }
 707         }
 708
 709
 710         /* check for abandon */
 711         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
 712         if ( op->o_abandon ) {
 713                 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 714                 goto return_results;
 715         }
 716         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 717
 718         /* delete old one */
 719         if ( dn2id_delete( be, &e->e_nname, e->e_id ) != 0 ) {
 720                 send_ldap_result( conn, op, LDAP_OTHER,
 721                         NULL, "DN index delete fail", NULL, NULL );
 722                 goto return_results;
 723         }
 724
 725         (void) cache_delete_entry( &li->li_cache, e );
 726         rc = MUST_DESTROY;
 727
 728         /* XXX: there is no going back! */
 729
 730         free( e->e_dn );
 731         free( e->e_ndn );
 732         e->e_name = new_dn;
 733         e->e_nname = new_ndn;
 734         new_dn.bv_val = NULL;
 735         new_ndn.bv_val = NULL;
 736
 737         /* add new one */
 738         if ( dn2id_add( be, &e->e_nname, e->e_id ) != 0 ) {
 739                 send_ldap_result( conn, op, LDAP_OTHER,
 740                         NULL, "DN index add failed", NULL, NULL );
 741                 goto return_results;
 742         }
 743
 744         /* modify memory copy of entry */
 745         rc = ldbm_modify_internal( be, conn, op, dn->bv_val, &mod[0], e,
 746                 &text, textbuf, textlen );
 747
 748         if( rc != LDAP_SUCCESS ) {
 749                 if( rc != SLAPD_ABANDON ) {
 750                         send_ldap_result( conn, op, rc,
 751                                 NULL, text, NULL, NULL );
 752                 }
 753
 754                 /* here we may try to delete the newly added dn */
 755                 if ( dn2id_delete( be, &e->e_nname, e->e_id ) != 0 ) {
 756                         /* we already are in trouble ... */
 757                         ;
 758                 }
 759
 760                 goto return_results;
 761         }
 762
 763         (void) cache_update_entry( &li->li_cache, e );
 764
 765         /* NOTE: after this you must not free new_dn or new_ndn!
 766          * They are used by cache.
 767          */
 768
 769         /* id2entry index */
 770         if ( id2entry_add( be, e ) != 0 ) {
 771                 send_ldap_result( conn, op, LDAP_OTHER,
 772                         NULL, "entry update failed", NULL, NULL );
 773                 goto return_results;
 774         }
 775
 776         send_ldap_result( conn, op, LDAP_SUCCESS,
 777                 NULL, NULL, NULL, NULL );
 778         rc = 0;
 779         cache_entry_commit( e );
 780
 781 return_results:
 782         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 783         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 784
 785         /* LDAP v2 supporting correct attribute handling. */
 786         if( new_rdn ) ldap_rdnfree( new_rdn );
 787         if( old_rdn ) ldap_rdnfree( old_rdn );
 788
 789         if ( mod != NULL ) {
 790                 Modifications *tmp;
 791                 for (; mod; mod = tmp ) {
 792                         tmp = mod->sml_next;
 793                         free( mod );
 794                 }
 795         }
 796
 797         /* LDAP v3 Support */
 798         if( np != NULL ) {
 799                 /* free new parent and writer lock */
 800                 cache_return_entry_w( &li->li_cache, np );
 801         }
 802
 803         if( p != NULL ) {
 804                 /* free parent and writer lock */
 805                 cache_return_entry_w( &li->li_cache, p );
 806         }
 807
 808         if ( rootlock ) {
 809                 /* release root writer lock */
 810                 ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
 811         }
 812
 813         /* free entry and writer lock */
 814         cache_return_entry_w( &li->li_cache, e );
 815         if ( rc == MUST_DESTROY ) {
 816                 /* if rc == MUST_DESTROY the entry is uncached
 817                  * and its private data is destroyed;
 818                  * the entry must be freed */
 819                 entry_free( e );
 820         }
 821         return( rc );
 822 }