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         AttributeDescription *entry = slap_schema.si_ad_entry;
  51         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
  52         struct berval   p_dn, p_ndn;
  53         struct berval   new_dn = { 0, NULL}, new_ndn = { 0, NULL };
  54         Entry           *e, *p = NULL;
  55         Entry           *matched;
  56         /* LDAP v2 supporting correct attribute handling. */
  57         LDAPRDN         *new_rdn = NULL;
  58         LDAPRDN         *old_rdn = NULL;
  59         int             isroot = -1;
  60 #define CAN_ROLLBACK    -1
  61 #define MUST_DESTROY    1
  62         int             rc = CAN_ROLLBACK;
  63         int             rc_id = 0;
  64         ID              id = NOID;
  65         const char *text = NULL;
  66         char textbuf[SLAP_TEXT_BUFLEN];
  67         size_t textlen = sizeof textbuf;
  68         /* Added to support newSuperior */
  69         Entry           *np = NULL;     /* newSuperior Entry */
  70         struct berval   *np_ndn = NULL; /* newSuperior ndn */
  71         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  72         /* Used to interface with ldbm_modify_internal() */
  73         Modifications   *mod = NULL;            /* Used to delete old/add new rdn */
  74         int             manageDSAit = get_manageDSAit( op );
  75
  76 #ifdef NEW_LOGGING
  77         LDAP_LOG( BACK_LDBM, ENTRY,
  78                 "ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  79                 dn->bv_len ? dn->bv_val : "NULL",
  80                 ( newSuperior && newSuperior->bv_len ) ? newSuperior->bv_val : "NULL",0 );
  81 #else
  82         Debug( LDAP_DEBUG_TRACE,
  83                 "==>ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  84                 dn->bv_len ? dn->bv_val : "NULL",
  85                 ( newSuperior && newSuperior->bv_len )
  86                         ? newSuperior->bv_val : "NULL", 0 );
  87 #endif
  88
  89         /* grab giant lock for writing */
  90         ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
  91
  92         /* get entry with writer lock */
  93         if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
  94                 char* matched_dn = NULL;
  95                 BerVarray refs;
  96
  97                 if( matched != NULL ) {
  98                         matched_dn = strdup( matched->e_dn );
  99                         refs = is_entry_referral( matched )
 100                                 ? get_entry_referrals( be, conn, op, matched )
 101                                 : NULL;
 102                         cache_return_entry_r( &li->li_cache, matched );
 103                 } else {
 104                         refs = referral_rewrite( default_referral,
 105                                 NULL, dn, LDAP_SCOPE_DEFAULT );
 106                 }
 107
 108                 ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
 109
 110                 send_ldap_result( conn, op, LDAP_REFERRAL,
 111                         matched_dn, NULL, refs, NULL );
 112
 113                 if ( refs ) ber_bvarray_free( refs );
 114                 free( matched_dn );
 115
 116                 return( -1 );
 117         }
 118
 119         /* check entry for "entry" acl */
 120         if ( ! access_allowed( be, conn, op, e,
 121                 entry, NULL, ACL_WRITE, NULL ) )
 122         {
 123 #ifdef NEW_LOGGING
 124                 LDAP_LOG( BACK_LDBM, ERR,
 125                         "ldbm_back_modrdn: no write access to entry of (%s)\n",
 126                         dn->bv_val, 0, 0 );
 127 #else
 128                 Debug( LDAP_DEBUG_TRACE,
 129                         "<=- ldbm_back_modrdn: no write access to entry\n", 0,
 130                         0, 0 );
 131 #endif
 132
 133                 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 134                         NULL, "no write access to entry", NULL, NULL );
 135
 136                 goto return_results;
 137         }
 138
 139         if (!manageDSAit && is_entry_referral( e ) ) {
 140                 /* parent is a referral, don't allow add */
 141                 /* parent is an alias, don't allow add */
 142                 BerVarray refs = get_entry_referrals( be,
 143                         conn, op, e );
 144
 145 #ifdef NEW_LOGGING
 146                 LDAP_LOG( BACK_LDBM, INFO,
 147                         "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn, 0, 0 );
 148 #else
 149                 Debug( LDAP_DEBUG_TRACE, "entry %s is referral\n", e->e_dn,
 150                     0, 0 );
 151 #endif
 152
 153                 send_ldap_result( conn, op, LDAP_REFERRAL,
 154                     e->e_dn, NULL, refs, NULL );
 155
 156                 if ( refs ) ber_bvarray_free( refs );
 157                 goto return_results;
 158         }
 159
 160         if ( has_children( be, e ) ) {
 161 #ifdef NEW_LOGGING
 162                 LDAP_LOG( BACK_LDBM, INFO,
 163                         "ldbm_back_modrdn: entry %s has children\n", e->e_dn, 0, 0 );
 164 #else
 165                 Debug( LDAP_DEBUG_TRACE, "entry %s has children\n", e->e_dn,
 166                     0, 0 );
 167 #endif
 168
 169                 send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF,
 170                     NULL, "subtree rename not supported", NULL, NULL );
 171                 goto return_results;
 172         }
 173
 174         if ( be_issuffix( be, &e->e_nname ) ) {
 175                 p_ndn = slap_empty_bv ;
 176         } else {
 177                 dnParent( &e->e_nname, &p_ndn );
 178         }
 179
 180         if ( p_ndn.bv_len != 0 ) {
 181                 /* Make sure parent entry exist and we can write its
 182                  * children.
 183                  */
 184
 185                 if( (p = dn2entry_w( be, &p_ndn, NULL )) == NULL) {
 186 #ifdef NEW_LOGGING
 187                         LDAP_LOG( BACK_LDBM, INFO,
 188                                 "ldbm_back_modrdn: parent of %s does not exist\n",
 189                                 e->e_ndn, 0, 0 );
 190 #else
 191                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
 192                                 0, 0, 0);
 193 #endif
 194
 195                         send_ldap_result( conn, op, LDAP_OTHER,
 196                                 NULL, "parent entry does not exist", NULL, NULL );
 197
 198                         goto return_results;
 199                 }
 200
 201                 /* check parent for "children" acl */
 202                 if ( ! access_allowed( be, conn, op, p,
 203                         children, NULL, ACL_WRITE, NULL ) )
 204                 {
 205 #ifdef NEW_LOGGING
 206                         LDAP_LOG( BACK_LDBM, INFO,
 207                                 "ldbm_back_modrdn: no access to parent of (%s)\n",
 208                                 e->e_dn, 0, 0 );
 209 #else
 210                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 211                                 0, 0 );
 212 #endif
 213
 214                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 215                                 NULL, NULL, NULL, NULL );
 216                         goto return_results;
 217                 }
 218
 219 #ifdef NEW_LOGGING
 220                 LDAP_LOG( BACK_LDBM, DETAIL1,
 221                         "ldbm_back_modrdn: wr to children of entry %s OK\n",
 222                         p_ndn.bv_val, 0, 0 );
 223 #else
 224                 Debug( LDAP_DEBUG_TRACE,
 225                        "ldbm_back_modrdn: wr to children of entry %s OK\n",
 226                        p_ndn.bv_val, 0, 0 );
 227 #endif
 228
 229                 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 230                         p_dn = slap_empty_bv;
 231                 } else {
 232                         dnParent( &e->e_name, &p_dn );
 233                 }
 234
 235 #ifdef NEW_LOGGING
 236                 LDAP_LOG( BACK_LDBM, DETAIL1,
 237                            "ldbm_back_modrdn: parent dn=%s\n", p_dn.bv_val, 0, 0 );
 238 #else
 239                 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
 240                        p_dn.bv_val, 0, 0 );
 241 #endif
 242
 243         } else {
 244                 /* no parent, must be root to modify rdn */
 245                 isroot = be_isroot( be, &op->o_ndn );
 246                 if ( ! isroot ) {
 247                         if ( be_issuffix( be, (struct berval *)&slap_empty_bv ) || be_isupdate( be, &op->o_ndn ) ) {
 248                                 p = (Entry *)&slap_entry_root;
 249
 250                                 rc = access_allowed( be, conn, op, p,
 251                                                 children, NULL, ACL_WRITE, NULL );
 252                                 p = NULL;
 253
 254                                 /* check parent for "children" acl */
 255                                 if ( ! rc ) {
 256 #ifdef NEW_LOGGING
 257                                         LDAP_LOG( BACK_LDBM, ERR,
 258                                                 "ldbm_back_modrdn: no access to parent \"\"\n", 0,0,0 );
 259 #else
 260                                         Debug( LDAP_DEBUG_TRACE,
 261                                                 "<=- ldbm_back_modrdn: no "
 262                                                 "access to parent\n", 0, 0, 0 );
 263 #endif
 264
 265                                         send_ldap_result( conn, op,
 266                                                 LDAP_INSUFFICIENT_ACCESS,
 267                                                 NULL, NULL, NULL, NULL );
 268                                         goto return_results;
 269                                 }
 270
 271                         } else {
 272 #ifdef NEW_LOGGING
 273                                 LDAP_LOG( BACK_LDBM, ERR,
 274                                         "ldbm_back_modrdn: (%s) has no parent & not a root.\n",
 275                                         dn, 0, 0 );
 276 #else
 277                                 Debug( LDAP_DEBUG_TRACE,
 278                                         "<=- ldbm_back_modrdn: no parent & "
 279                                         "not root\n", 0, 0, 0);
 280 #endif
 281
 282                                 send_ldap_result( conn, op,
 283                                         LDAP_INSUFFICIENT_ACCESS,
 284                                         NULL, NULL, NULL, NULL );
 285                                 goto return_results;
 286                         }
 287                 }
 288
 289 #ifdef NEW_LOGGING
 290                 LDAP_LOG( BACK_LDBM, INFO,
 291                    "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn, 0, 0 );
 292 #else
 293                 Debug( LDAP_DEBUG_TRACE,
 294                        "ldbm_back_modrdn: no parent, locked root\n",
 295                        0, 0, 0 );
 296 #endif
 297         }
 298
 299         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 300
 301         if ( newSuperior != NULL ) {
 302 #ifdef NEW_LOGGING
 303                 LDAP_LOG( BACK_LDBM, DETAIL1,
 304                         "ldbm_back_modrdn: new parent \"%s\" requested\n",
 305                         newSuperior->bv_val, 0, 0 );
 306 #else
 307                 Debug( LDAP_DEBUG_TRACE,
 308                         "ldbm_back_modrdn: new parent \"%s\" requested...\n",
 309                         newSuperior->bv_val, 0, 0 );
 310 #endif
 311
 312                 np_ndn = nnewSuperior;
 313
 314                 /* newSuperior == oldParent? */
 315                 if ( dn_match( &p_ndn, np_ndn ) ) {
 316 #ifdef NEW_LOGGING
 317                         LDAP_LOG( BACK_LDBM, INFO, "ldbm_back_modrdn: "
 318                                 "new parent\"%s\" seems to be the same as the "
 319                                 "old parent \"%s\"\n", newSuperior->bv_val, p_dn.bv_val, 0 );
 320 #else
 321                         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: "
 322                                 "new parent\"%s\" seems to be the same as the "
 323                                 "old parent \"%s\"\n",
 324                                 newSuperior->bv_val, p_dn.bv_val, 0 );
 325 #endif
 326
 327                         newSuperior = NULL; /* ignore newSuperior */
 328                 }
 329         }
 330
 331         if ( newSuperior != NULL ) {
 332                 /* newSuperior == entry being moved?, if so ==> ERROR */
 333                 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 334
 335                 if ( nnewSuperior->bv_len ) {
 336                         if( (np = dn2entry_w( be, np_ndn, NULL )) == NULL) {
 337 #ifdef NEW_LOGGING
 338                                 LDAP_LOG( BACK_LDBM, ERR,
 339                                         "ldbm_back_modrdn: newSup(ndn=%s) not found.\n",
 340                                         np_ndn->bv_val, 0, 0 );
 341 #else
 342                                 Debug( LDAP_DEBUG_TRACE,
 343                                     "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
 344                                     np_ndn->bv_val, 0, 0);
 345 #endif
 346
 347                                 send_ldap_result( conn, op, LDAP_OTHER,
 348                                         NULL, "newSuperior not found", NULL, NULL );
 349                                 goto return_results;
 350                         }
 351
 352 #ifdef NEW_LOGGING
 353                         LDAP_LOG( BACK_LDBM, DETAIL1,
 354                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 355                                 np, np->e_id, 0 );
 356 #else
 357                         Debug( LDAP_DEBUG_TRACE,
 358                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 359                                 np, np->e_id, 0 );
 360 #endif
 361
 362                         /* check newSuperior for "children" acl */
 363                         if ( !access_allowed( be, conn, op, np, children, NULL,
 364                                               ACL_WRITE, NULL ) )
 365                         {
 366 #ifdef NEW_LOGGING
 367                                 LDAP_LOG( BACK_LDBM, INFO,
 368                                    "ldbm_back_modrdn: no wr to newSup children.\n", 0, 0, 0 );
 369 #else
 370                                 Debug( LDAP_DEBUG_TRACE,
 371                                        "ldbm_back_modrdn: no wr to newSup children\n",
 372                                        0, 0, 0 );
 373 #endif
 374
 375                                 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 376                                         NULL, NULL, NULL, NULL );
 377                                 goto return_results;
 378                         }
 379
 380                         if ( is_entry_alias( np ) ) {
 381                                 /* parent is an alias, don't allow add */
 382 #ifdef NEW_LOGGING
 383                                 LDAP_LOG( BACK_LDBM, INFO,
 384                                    "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn,0,0);
 385 #else
 386                                 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
 387 #endif
 388
 389
 390                                 send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
 391                                     NULL, "newSuperior is an alias", NULL, NULL );
 392
 393                                 goto return_results;
 394                         }
 395
 396                         if ( is_entry_referral( np ) ) {
 397                                 /* parent is a referral, don't allow add */
 398 #ifdef NEW_LOGGING
 399                                 LDAP_LOG( BACK_LDBM, INFO,
 400                                         "ldbm_back_modrdn: entry (%s) is a referral\n",
 401                                         np->e_dn, 0, 0 );
 402 #else
 403                                 Debug( LDAP_DEBUG_TRACE, "entry (%s) is referral\n",
 404                                         np->e_dn, 0, 0 );
 405 #endif
 406
 407                                 send_ldap_result( conn, op, LDAP_OTHER,
 408                                     NULL, "newSuperior is a referral", NULL, NULL );
 409
 410                                 goto return_results;
 411                         }
 412
 413                 } else {
 414
 415                         /* no parent, must be root to modify newSuperior */
 416                         if ( isroot == -1 ) {
 417                                 isroot = be_isroot( be, &op->o_ndn );
 418                         }
 419
 420                         if ( ! isroot ) {
 421                                 if ( be_issuffix( be, (struct berval *)&slap_empty_bv ) || be_isupdate( be, &op->o_ndn ) ) {
 422                                         np = (Entry *)&slap_entry_root;
 423
 424                                         rc = access_allowed( be, conn, op, np,
 425                                                         children, NULL, ACL_WRITE, NULL );
 426                                         np = NULL;
 427
 428                                         /* check parent for "children" acl */
 429                                         if ( ! rc ) {
 430 #ifdef NEW_LOGGING
 431                                                 LDAP_LOG( BACK_LDBM, ERR,
 432                                                         "ldbm_back_modrdn: no access "
 433                                                         "to new superior \"\"\n", 0, 0, 0 );
 434 #else
 435                                                 Debug( LDAP_DEBUG_TRACE,
 436                                                         "<=- ldbm_back_modrdn: no "
 437                                                         "access to new superior\n", 0, 0, 0 );
 438 #endif
 439
 440                                                 send_ldap_result( conn, op,
 441                                                         LDAP_INSUFFICIENT_ACCESS,
 442                                                         NULL, NULL, NULL, NULL );
 443                                                 goto return_results;
 444                                         }
 445
 446                                 } else {
 447 #ifdef NEW_LOGGING
 448                                         LDAP_LOG( BACK_LDBM, ERR,
 449                                                 "ldbm_back_modrdn: \"\" not allowed as new superior\n",
 450                                                 0, 0, 0 );
 451 #else
 452                                         Debug( LDAP_DEBUG_TRACE,
 453                                                 "<=- ldbm_back_modrdn: \"\" "
 454                                                 "not allowed as new superior\n",
 455                                                 0, 0, 0);
 456 #endif
 457
 458                                         send_ldap_result( conn, op,
 459                                                 LDAP_INSUFFICIENT_ACCESS,
 460                                                 NULL, NULL, NULL, NULL );
 461                                         goto return_results;
 462                                 }
 463                         }
 464                 }
 465
 466 #ifdef NEW_LOGGING
 467                 LDAP_LOG( BACK_LDBM, DETAIL1,
 468                         "ldbm_back_modrdn: wr to new parent's children OK.\n", 0, 0, 0 );
 469 #else
 470                 Debug( LDAP_DEBUG_TRACE,
 471                     "ldbm_back_modrdn: wr to new parent's children OK\n",
 472                     0, 0, 0 );
 473 #endif
 474
 475                 new_parent_dn = newSuperior;
 476         }
 477
 478         /* Build target dn and make sure target entry doesn't exist already. */
 479         build_new_dn( &new_dn, new_parent_dn, newrdn );
 480         dnNormalize2( NULL, &new_dn, &new_ndn );
 481
 482 #ifdef NEW_LOGGING
 483         LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_back_modrdn: new ndn=%s\n",
 484                 new_ndn.bv_val, 0, 0 );
 485 #else
 486         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
 487             new_ndn.bv_val, 0, 0 );
 488 #endif
 489
 490         /* check for abandon */
 491         if ( op->o_abandon ) {
 492                 goto return_results;
 493         }
 494
 495         if ( ( rc_id = dn2id ( be, &new_ndn, &id ) ) || id != NOID ) {
 496                 /* if (rc_id) something bad happened to ldbm cache */
 497                 send_ldap_result( conn, op,
 498                         rc_id ? LDAP_OTHER : LDAP_ALREADY_EXISTS,
 499                         NULL, NULL, NULL, NULL );
 500                 goto return_results;
 501         }
 502
 503 #ifdef NEW_LOGGING
 504         LDAP_LOG( BACK_LDBM, INFO, "ldbm_back_modrdn: new ndn (%s) does not exist\n",
 505                 new_ndn.bv_val, 0, 0 );
 506 #else
 507         Debug( LDAP_DEBUG_TRACE,
 508             "ldbm_back_modrdn: new ndn=%s does not exist\n",
 509             new_ndn.bv_val, 0, 0 );
 510 #endif
 511
 512         /* Get attribute type and attribute value of our new rdn, we will
 513          * need to add that to our new entry
 514          */
 515         if ( ldap_bv2rdn( newrdn, &new_rdn, (char **)&text,
 516                 LDAP_DN_FORMAT_LDAP ) )
 517         {
 518 #ifdef NEW_LOGGING
 519                 LDAP_LOG ( OPERATION, ERR,
 520                         "ldbm_back_modrdn: can't figure out "
 521                         "type(s)/values(s) of newrdn\n",
 522                         0, 0, 0 );
 523 #else
 524                 Debug( LDAP_DEBUG_TRACE,
 525                         "ldbm_back_modrdn: can't figure out "
 526                         "type(s)/values(s) of newrdn\n",
 527                         0, 0, 0 );
 528 #endif
 529                 rc = LDAP_INVALID_DN_SYNTAX;
 530                 text = "unknown type(s) used in RDN";
 531                 goto return_results;
 532         }
 533
 534 #ifdef NEW_LOGGING
 535         LDAP_LOG ( OPERATION, RESULTS,
 536                 "ldbm_back_modrdn: new_rdn_type=\"%s\", "
 537                 "new_rdn_val=\"%s\"\n",
 538                 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
 539                 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
 540 #else
 541         Debug( LDAP_DEBUG_TRACE,
 542                 "ldbm_back_modrdn: new_rdn_type=\"%s\", "
 543                 "new_rdn_val=\"%s\"\n",
 544                 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
 545                 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
 546 #endif
 547
 548         if ( deleteoldrdn ) {
 549                 if ( ldap_bv2rdn( dn, &old_rdn, (char **)&text,
 550                         LDAP_DN_FORMAT_LDAP ) )
 551                 {
 552 #ifdef NEW_LOGGING
 553                         LDAP_LOG ( OPERATION, ERR,
 554                                 "ldbm_back_modrdn: can't figure out "
 555                                 "type(s)/values(s) of old_rdn\n",
 556                                 0, 0, 0 );
 557 #else
 558                         Debug( LDAP_DEBUG_TRACE,
 559                                 "ldbm_back_modrdn: can't figure out "
 560                                 "the old_rdn type(s)/value(s)\n",
 561                                 0, 0, 0 );
 562 #endif
 563                         rc = LDAP_OTHER;
 564                         text = "cannot parse RDN from old DN";
 565                         goto return_results;
 566                 }
 567         }
 568
 569 #ifdef NEW_LOGGING
 570         LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_back_modrdn:  DN_X500\n", 0, 0, 0 );
 571 #else
 572         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
 573                0, 0, 0 );
 574 #endif
 575
 576         rc = slap_modrdn2mods( be, conn, op, e, old_rdn, new_rdn,
 577                         deleteoldrdn, &mod );
 578         if ( rc != LDAP_SUCCESS ) {
 579                 goto return_results;
 580         }
 581
 582
 583         /* check for abandon */
 584         if ( op->o_abandon ) {
 585                 goto return_results;
 586         }
 587
 588         /* delete old one */
 589         if ( dn2id_delete( be, &e->e_nname, e->e_id ) != 0 ) {
 590                 send_ldap_result( conn, op, LDAP_OTHER,
 591                         NULL, "DN index delete fail", NULL, NULL );
 592                 goto return_results;
 593         }
 594
 595         (void) cache_delete_entry( &li->li_cache, e );
 596         rc = MUST_DESTROY;
 597
 598         /* XXX: there is no going back! */
 599
 600         free( e->e_dn );
 601         free( e->e_ndn );
 602         e->e_name = new_dn;
 603         e->e_nname = new_ndn;
 604         new_dn.bv_val = NULL;
 605         new_ndn.bv_val = NULL;
 606
 607         /* add new one */
 608         if ( dn2id_add( be, &e->e_nname, e->e_id ) != 0 ) {
 609                 send_ldap_result( conn, op, LDAP_OTHER,
 610                         NULL, "DN index add failed", NULL, NULL );
 611                 goto return_results;
 612         }
 613
 614         /* modify memory copy of entry */
 615         rc = ldbm_modify_internal( be, conn, op, dn->bv_val, &mod[0], e,
 616                 &text, textbuf, textlen );
 617
 618         if( rc != LDAP_SUCCESS ) {
 619                 if( rc != SLAPD_ABANDON ) {
 620                         send_ldap_result( conn, op, rc,
 621                                 NULL, text, NULL, NULL );
 622                 }
 623
 624                 /* here we may try to delete the newly added dn */
 625                 if ( dn2id_delete( be, &e->e_nname, e->e_id ) != 0 ) {
 626                         /* we already are in trouble ... */
 627                         ;
 628                 }
 629
 630                 goto return_results;
 631         }
 632
 633         (void) cache_update_entry( &li->li_cache, e );
 634
 635         /* NOTE: after this you must not free new_dn or new_ndn!
 636          * They are used by cache.
 637          */
 638
 639         /* id2entry index */
 640         if ( id2entry_add( be, e ) != 0 ) {
 641                 send_ldap_result( conn, op, LDAP_OTHER,
 642                         NULL, "entry update failed", NULL, NULL );
 643                 goto return_results;
 644         }
 645
 646         send_ldap_result( conn, op, LDAP_SUCCESS,
 647                 NULL, NULL, NULL, NULL );
 648         rc = 0;
 649         cache_entry_commit( e );
 650
 651 return_results:
 652         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 653         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 654
 655         /* LDAP v2 supporting correct attribute handling. */
 656         if ( new_rdn != NULL ) {
 657                 ldap_rdnfree( new_rdn );
 658         }
 659         if ( old_rdn != NULL ) {
 660                 ldap_rdnfree( old_rdn );
 661         }
 662         if ( mod != NULL ) {
 663                 Modifications *tmp;
 664                 for (; mod; mod = tmp ) {
 665                         tmp = mod->sml_next;
 666                         free( mod );
 667                 }
 668         }
 669
 670         /* LDAP v3 Support */
 671         if( np != NULL ) {
 672                 /* free new parent and writer lock */
 673                 cache_return_entry_w( &li->li_cache, np );
 674         }
 675
 676         if( p != NULL ) {
 677                 /* free parent and writer lock */
 678                 cache_return_entry_w( &li->li_cache, p );
 679         }
 680
 681         /* free entry and writer lock */
 682         cache_return_entry_w( &li->li_cache, e );
 683         if ( rc == MUST_DESTROY ) {
 684                 /* if rc == MUST_DESTROY the entry is uncached
 685                  * and its private data is destroyed;
 686                  * the entry must be freed */
 687                 entry_free( e );
 688         }
 689         ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
 690         return( rc );
 691 }