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

   1 /* ldif.c - the ldif backend */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2005 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* ACKNOWLEDGEMENTS:
  17  * This work was originally developed by Eric Stokes for inclusion
  18  * in OpenLDAP Software.
  19  */
  20
  21 #include "portable.h"
  22 #include <stdio.h>
  23 #include <ac/string.h>
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #include <ac/dirent.h>
  27 #include <fcntl.h>
  28 #include <ac/errno.h>
  29 #include <ac/unistd.h>
  30 #include "slap.h"
  31 #include "lutil.h"
  32 #include "config.h"
  33
  34 typedef struct enumCookie {
  35         Operation *op;
  36         SlapReply *rs;
  37         Entry **entries;
  38         int elen;
  39         int eind;
  40 } enumCookie;
  41
  42 struct ldif_info {
  43         struct berval li_base_path;
  44         enumCookie li_tool_cookie;
  45         ID li_tool_current;
  46         ldap_pvt_thread_mutex_t  li_mutex;
  47 };
  48
  49 #ifdef _WIN32
  50 #define mkdir(a,b)      mkdir(a)
  51 #endif
  52
  53 #define LDIF    ".ldif"
  54
  55 #define IX_DNL  '{'
  56 #define IX_DNR  '}'
  57 #ifndef IX_FSL
  58 #define IX_FSL  IX_DNL
  59 #define IX_FSR  IX_DNR
  60 #endif
  61
  62 #define ENTRY_BUFF_INCREMENT 500
  63
  64 static ConfigTable ldifcfg[] = {
  65         { "directory", "dir", 2, 2, 0, ARG_BERVAL|ARG_OFFSET,
  66                 (void *)offsetof(struct ldif_info, li_base_path),
  67                 "( OLcfgDbAt:0.1 NAME 'olcDbDirectory' "
  68                         "DESC 'Directory for database content' "
  69                         "EQUALITY caseIgnoreMatch "
  70                         "SYNTAX OMsDirectoryString )", NULL, NULL },
  71         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
  72                 NULL, NULL, NULL, NULL }
  73 };
  74
  75 static ConfigOCs ldifocs[] = {
  76         { "( OLcfgDbOc:2.1 "
  77                 "NAME 'olcLdifConfig' "
  78                 "DESC 'LDIF backend configuration' "
  79                 "SUP olcDatabaseConfig "
  80                 "MUST ( olcDbDirectory ) )", Cft_Database, ldifcfg },
  81         { NULL, 0, NULL }
  82 };
  83
  84 static void
  85 dn2path(struct berval * dn, struct berval * rootdn, struct berval * base_path,
  86         struct berval *res)
  87 {
  88         char *ptr, *sep, *end;
  89
  90         res->bv_len = dn->bv_len + base_path->bv_len + 1 + STRLENOF( LDIF );
  91         res->bv_val = ch_malloc( res->bv_len + 1 );
  92         ptr = lutil_strcopy( res->bv_val, base_path->bv_val );
  93         *ptr++ = LDAP_DIRSEP[0];
  94         ptr = lutil_strcopy( ptr, rootdn->bv_val );
  95         end = dn->bv_val + dn->bv_len - rootdn->bv_len - 1;
  96         while ( end > dn->bv_val ) {
  97                 for (sep = end-1; sep >=dn->bv_val && !DN_SEPARATOR( *sep ); sep--);
  98                 *ptr++ = LDAP_DIRSEP[0];
  99                 ptr = lutil_strncopy( ptr, sep+1, end-sep-1 );
 100                 end = sep;
 101         }
 102         strcpy(ptr, LDIF);
 103 #if IX_FSL != IX_DNL
 104         ptr = res->bv_val;
 105         while( ptr=strchr(ptr, IX_DNL) ) {
 106                 *ptr++ = IX_FSL;
 107                 ptr = strchr(ptr, IX_DNR);
 108                 if ( ptr )
 109                         *ptr++ = IX_FSR;
 110                 else
 111                         break;
 112         }
 113 #endif
 114 }
 115
 116 static char * slurp_file(int fd) {
 117         int read_chars_total = 0;
 118         int read_chars = 0;
 119         int entry_size;
 120         char * entry;
 121         char * entry_pos;
 122         struct stat st;
 123
 124         fstat(fd, &st);
 125         entry_size = st.st_size;
 126         entry = ch_malloc( entry_size+1 );
 127         entry_pos = entry;
 128
 129         while(1) {
 130                 read_chars = read(fd, (void *) entry_pos, entry_size - read_chars_total);
 131                 if(read_chars == -1) {
 132                         SLAP_FREE(entry);
 133                         return NULL;
 134                 }
 135                 if(read_chars == 0) {
 136                         entry[read_chars_total] = '\0';
 137                         break;
 138                 }
 139                 else {
 140                         read_chars_total += read_chars;
 141                         entry_pos += read_chars;
 142                 }
 143         }
 144         return entry;
 145 }
 146
 147 static int spew_file(int fd, char * spew, int len) {
 148         int writeres = 0;
 149
 150         while(len > 0) {
 151                 writeres = write(fd, spew, len);
 152                 if(writeres == -1) {
 153                         perror("could not spew write");
 154                         return -1;
 155                 }
 156                 else {
 157                         spew += writeres;
 158                         len -= writeres;
 159                 }
 160         }
 161         return writeres;
 162 }
 163
 164 static int spew_entry(Entry * e, struct berval * path) {
 165         int rs;
 166         int openres;
 167         int spew_res;
 168         int entry_length;
 169         char * entry_as_string;
 170
 171         openres = open(path->bv_val, O_WRONLY|O_CREAT|O_TRUNC, S_IRUSR | S_IWUSR);
 172         if(openres == -1) {
 173                 if(errno == ENOENT)
 174                         rs = LDAP_NO_SUCH_OBJECT;
 175                 else
 176                         rs = LDAP_UNWILLING_TO_PERFORM;
 177         }
 178         else {
 179                 struct berval rdn;
 180                 int tmp;
 181
 182                 /* Only save the RDN onto disk */
 183                 dnRdn( &e->e_name, &rdn );
 184                 if ( rdn.bv_len != e->e_name.bv_len ) {
 185                         e->e_name.bv_val[rdn.bv_len] = '\0';
 186                         tmp = e->e_name.bv_len;
 187                         e->e_name.bv_len = rdn.bv_len;
 188                         rdn.bv_len = tmp;
 189                 }
 190
 191                 entry_as_string = entry2str(e, &entry_length);
 192
 193                 /* Restore full DN */
 194                 if ( rdn.bv_len != e->e_name.bv_len ) {
 195                         e->e_name.bv_val[e->e_name.bv_len] = ',';
 196                         e->e_name.bv_len = rdn.bv_len;
 197                 }
 198
 199                 if(entry_as_string == NULL) {
 200                         rs = LDAP_UNWILLING_TO_PERFORM;
 201                         close(openres);
 202                 }
 203                 else {
 204                         spew_res = spew_file(openres, entry_as_string, entry_length);
 205                         close(openres);
 206                         if(spew_res == -1)
 207                                 rs = LDAP_UNWILLING_TO_PERFORM;
 208                         else
 209                                 rs = LDAP_SUCCESS;
 210                 }
 211         }
 212         return rs;
 213 }
 214
 215 static Entry * get_entry_for_fd(int fd,
 216         struct berval *pdn,
 217         struct berval *pndn)
 218 {
 219         char * entry = (char *) slurp_file(fd);
 220         Entry * ldentry = NULL;
 221
 222         /* error reading file */
 223         if(entry == NULL) {
 224                 goto return_value;
 225         }
 226
 227         ldentry = str2entry(entry);
 228         if ( ldentry ) {
 229                 struct berval rdn;
 230                 rdn = ldentry->e_name;
 231                 build_new_dn( &ldentry->e_name, pdn, &rdn, NULL );
 232                 ch_free( rdn.bv_val );
 233                 rdn = ldentry->e_nname;
 234                 build_new_dn( &ldentry->e_nname, pndn, &rdn, NULL );
 235                 ch_free( rdn.bv_val );
 236         }
 237
 238  return_value:
 239         if(fd != -1) {
 240                 if(close(fd) != 0) {
 241                         /* log error */
 242                 }
 243         }
 244         if(entry != NULL)
 245                 SLAP_FREE(entry);
 246         return ldentry;
 247 }
 248
 249 static Entry * get_entry(Operation *op, struct berval *base_path) {
 250         struct berval path, pdn, pndn;
 251         int fd;
 252
 253         dnParent(&op->o_req_dn, &pdn);
 254         dnParent(&op->o_req_ndn, &pndn);
 255         dn2path(&op->o_req_ndn, op->o_bd->be_nsuffix, base_path, &path);
 256         fd = open(path.bv_val, O_RDONLY);
 257         /* error opening file (mebbe should log error) */
 258         if(fd == -1) {
 259                 perror("failed to open file");
 260         }
 261
 262         if(path.bv_val != NULL)
 263                 SLAP_FREE(path.bv_val);
 264
 265         if ( fd != -1 ) {
 266                 return get_entry_for_fd(fd, &pdn, &pndn);
 267         }
 268
 269         return NULL;
 270 }
 271
 272 static void fullpath(struct berval *base, struct berval *name, struct berval *res) {
 273         char *ptr;
 274         res->bv_len = name->bv_len + base->bv_len + 1;
 275         res->bv_val = ch_malloc( res->bv_len + 1 );
 276         strcpy(res->bv_val, base->bv_val);
 277         ptr = res->bv_val + base->bv_len;
 278         *ptr++ = LDAP_DIRSEP[0];
 279         strcpy(ptr, name->bv_val);
 280 }
 281
 282 typedef struct bvlist {
 283         struct bvlist *next;
 284         struct berval bv;
 285         struct berval num;
 286         unsigned int inum;
 287         int off;
 288 } bvlist;
 289
 290
 291 static int r_enum_tree(enumCookie *ck, struct berval *path,
 292         struct berval *pdn, struct berval *pndn)
 293 {
 294         Entry *e;
 295         int fd, rc = LDAP_SUCCESS;
 296
 297         fd = open( path->bv_val, O_RDONLY );
 298         if ( fd < 0 ) {
 299                 Debug( LDAP_DEBUG_TRACE,
 300                         "=> ldif_enum_tree: failed to open %s\n",
 301                         path->bv_val, 0, 0 );
 302                 return LDAP_NO_SUCH_OBJECT;
 303         }
 304
 305         e = get_entry_for_fd(fd, pdn, pndn);
 306         if ( !e ) {
 307                 Debug( LDAP_DEBUG_ANY,
 308                         "=> ldif_enum_tree: failed to read entry for %s\n",
 309                         path->bv_val, 0, 0 );
 310                 return LDAP_BUSY;
 311         }
 312
 313         if ( ck->op->ors_scope == LDAP_SCOPE_BASE ||
 314                 ck->op->ors_scope == LDAP_SCOPE_SUBTREE ) {
 315                 /* Send right away? */
 316                 if ( ck->rs ) {
 317                         /*
 318                          * if it's a referral, add it to the list of referrals. only do
 319                          * this for non-base searches, and don't check the filter
 320                          * explicitly here since it's only a candidate anyway.
 321                          */
 322                         if ( !get_manageDSAit( ck->op )
 323                                         && ck->op->ors_scope != LDAP_SCOPE_BASE
 324                                         && is_entry_referral( e ) )
 325                         {
 326                                 BerVarray erefs = get_entry_referrals( ck->op, e );
 327                                 ck->rs->sr_ref = referral_rewrite( erefs,
 328                                                 &e->e_name, NULL,
 329                                                 ck->op->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL
 330                                                         ? LDAP_SCOPE_BASE : LDAP_SCOPE_SUBTREE );
 331
 332                                 ck->rs->sr_entry = e;
 333                                 rc = send_search_reference( ck->op, ck->rs );
 334                                 ber_bvarray_free( ck->rs->sr_ref );
 335                                 ber_bvarray_free( erefs );
 336                                 ck->rs->sr_ref = NULL;
 337                                 ck->rs->sr_entry = NULL;
 338
 339                         } else if ( test_filter( ck->op, e, ck->op->ors_filter ) == LDAP_COMPARE_TRUE )
 340                         {
 341                                 ck->rs->sr_entry = e;
 342                                 ck->rs->sr_attrs = ck->op->ors_attrs;
 343                                 ck->rs->sr_flags = REP_ENTRY_MODIFIABLE;
 344                                 rc = send_search_entry(ck->op, ck->rs);
 345                                 ck->rs->sr_entry = NULL;
 346                         }
 347                         fd = 1;
 348                         if ( rc )
 349                                 goto done;
 350                 } else {
 351                 /* Queueing up for tool mode */
 352                         if(ck->entries == NULL) {
 353                                 ck->entries = (Entry **) SLAP_MALLOC(sizeof(Entry *) * ENTRY_BUFF_INCREMENT);
 354                                 ck->elen = ENTRY_BUFF_INCREMENT;
 355                         }
 356                         if(ck->eind >= ck->elen) { /* grow entries if necessary */
 357                                 ck->entries = (Entry **) SLAP_REALLOC(ck->entries, sizeof(Entry *) * (ck->elen) * 2);
 358                                 ck->elen *= 2;
 359                         }
 360
 361                         ck->entries[ck->eind++] = e;
 362                         fd = 0;
 363                 }
 364         } else {
 365                 fd = 1;
 366         }
 367
 368         if ( ck->op->ors_scope != LDAP_SCOPE_BASE ) {
 369                 DIR * dir_of_path;
 370                 bvlist *list = NULL, *ptr;
 371
 372                 path->bv_len -= STRLENOF( LDIF );
 373                 path->bv_val[path->bv_len] = '\0';
 374
 375                 dir_of_path = opendir(path->bv_val);
 376                 if(dir_of_path == NULL) { /* can't open directory */
 377                         if ( errno != ENOENT ) {
 378                                 /* it shouldn't be treated as an error
 379                                  * only if the directory doesn't exist */
 380                                 rc = LDAP_BUSY;
 381                                 Debug( LDAP_DEBUG_TRACE,
 382                                         "=> ldif_enum_tree: failed to opendir %s (%d)\n",
 383                                         path->bv_val, errno, 0 );
 384                         }
 385                         goto done;
 386                 }
 387
 388                 while(1) {
 389                         struct berval fname, itmp;
 390                         struct dirent * dir;
 391                         bvlist *bvl, **prev;
 392
 393                         dir = readdir(dir_of_path);
 394                         if(dir == NULL) break; /* end of the directory */
 395                         fname.bv_len = strlen( dir->d_name );
 396                         if ( fname.bv_len <= STRLENOF( LDIF ))
 397                                 continue;
 398                         if ( strcmp( dir->d_name + (fname.bv_len - STRLENOF(LDIF)), LDIF))
 399                                 continue;
 400                         fname.bv_val = dir->d_name;
 401
 402                         bvl = ch_malloc( sizeof(bvlist) );
 403                         ber_dupbv( &bvl->bv, &fname );
 404                         BER_BVZERO( &bvl->num );
 405                         itmp.bv_val = strchr( bvl->bv.bv_val, IX_FSL );
 406                         if ( itmp.bv_val ) {
 407                                 char *ptr;
 408                                 itmp.bv_val++;
 409                                 ptr = strchr( itmp.bv_val, IX_FSR );
 410                                 if ( ptr ) {
 411                                         itmp.bv_len = ptr - itmp.bv_val;
 412                                         ber_dupbv( &bvl->num, &itmp );
 413                                         bvl->inum = strtoul( itmp.bv_val, NULL, 0 );
 414                                         itmp.bv_val[0] = '\0';
 415                                         bvl->off = itmp.bv_val - bvl->bv.bv_val;
 416                                 }
 417                         }
 418
 419                         for (prev = &list; (ptr = *prev) != NULL; prev = &ptr->next) {
 420                                 int cmp = strcmp( bvl->bv.bv_val, ptr->bv.bv_val );
 421                                 if ( !cmp && bvl->num.bv_val )
 422                                         cmp = bvl->inum - ptr->inum;
 423                                 if ( cmp < 0 )
 424                                         break;
 425                         }
 426                         *prev = bvl;
 427                         bvl->next = ptr;
 428
 429                 }
 430                 closedir(dir_of_path);
 431
 432                 if (ck->op->ors_scope == LDAP_SCOPE_ONELEVEL)
 433                         ck->op->ors_scope = LDAP_SCOPE_BASE;
 434                 else if ( ck->op->ors_scope == LDAP_SCOPE_SUBORDINATE)
 435                         ck->op->ors_scope = LDAP_SCOPE_SUBTREE;
 436
 437                 while ( ( ptr = list ) ) {
 438                         struct berval fpath;
 439
 440                         list = ptr->next;
 441
 442                         if ( rc == LDAP_SUCCESS ) {
 443                                 if ( ptr->num.bv_val )
 444                                         AC_MEMCPY( ptr->bv.bv_val + ptr->off, ptr->num.bv_val,
 445                                                 ptr->num.bv_len );
 446                                 fullpath( path, &ptr->bv, &fpath );
 447                                 rc = r_enum_tree(ck, &fpath, &e->e_name, &e->e_nname );
 448                                 free(fpath.bv_val);
 449                         }
 450                         if ( ptr->num.bv_val )
 451                                 free( ptr->num.bv_val );
 452                         free(ptr->bv.bv_val);
 453                         free(ptr);
 454                 }
 455         }
 456 done:
 457         if ( fd ) entry_free( e );
 458         return rc;
 459 }
 460
 461 static int
 462 enum_tree(
 463         enumCookie *ck
 464 )
 465 {
 466         struct ldif_info *ni = (struct ldif_info *) ck->op->o_bd->be_private;
 467         struct berval path;
 468         struct berval pdn, pndn;
 469         int rc;
 470
 471         dnParent( &ck->op->o_req_dn, &pdn );
 472         dnParent( &ck->op->o_req_ndn, &pndn );
 473         dn2path( &ck->op->o_req_ndn, &ck->op->o_bd->be_nsuffix[0], &ni->li_base_path, &path);
 474         rc = r_enum_tree(ck, &path, &pdn, &pndn);
 475         ch_free( path.bv_val );
 476         return rc;
 477 }
 478
 479 /* Get the parent path plus the LDIF suffix */
 480 static void get_parent_path(struct berval * dnpath, struct berval *res) {
 481         int dnpathlen = dnpath->bv_len;
 482         int i;
 483
 484         for(i = dnpathlen;i>0;i--) /* find the first path seperator */
 485                 if(dnpath->bv_val[i] == LDAP_DIRSEP[0])
 486                         break;
 487         res->bv_len = i;
 488         res->bv_val = ch_malloc( res->bv_len + 1 + STRLENOF(LDIF) );
 489         strncpy(res->bv_val, dnpath->bv_val, i);
 490         strcpy(res->bv_val+i, LDIF);
 491         res->bv_val[i] = '\0';
 492 }
 493
 494 static int apply_modify_to_entry(Entry * entry,
 495                                 Modifications * modlist,
 496                                 Operation * op,
 497                                 SlapReply * rs)
 498 {
 499         char textbuf[SLAP_TEXT_BUFLEN];
 500         int rc = LDAP_UNWILLING_TO_PERFORM;
 501         Modification *mods = NULL;
 502
 503         if (!acl_check_modlist(op, entry, modlist)) {
 504                 return LDAP_INSUFFICIENT_ACCESS;
 505         }
 506
 507         for (; modlist != NULL; modlist = modlist->sml_next) {
 508                 mods = &modlist->sml_mod;
 509
 510                 switch (mods->sm_op) {
 511                 case LDAP_MOD_ADD:
 512                         rc = modify_add_values(entry, mods,
 513                                    get_permissiveModify(op),
 514                                    &rs->sr_text, textbuf,
 515                                    sizeof( textbuf ) );
 516                         break;
 517
 518                 case LDAP_MOD_DELETE:
 519                         rc = modify_delete_values(entry, mods,
 520                                 get_permissiveModify(op),
 521                                 &rs->sr_text, textbuf,
 522                                 sizeof( textbuf ) );
 523                         break;
 524
 525                 case LDAP_MOD_REPLACE:
 526                         rc = modify_replace_values(entry, mods,
 527                                  get_permissiveModify(op),
 528                                  &rs->sr_text, textbuf,
 529                                  sizeof( textbuf ) );
 530                         break;
 531
 532                 case LDAP_MOD_INCREMENT:
 533                         rc = modify_increment_values( entry,
 534                                 mods, get_permissiveModify(op),
 535                                 &rs->sr_text, textbuf,
 536                                 sizeof( textbuf ) );
 537                         break;
 538
 539                         break;
 540
 541                 case SLAP_MOD_SOFTADD:
 542                         mods->sm_op = LDAP_MOD_ADD;
 543                         rc = modify_add_values(entry, mods,
 544                                    get_permissiveModify(op),
 545                                    &rs->sr_text, textbuf,
 546                                    sizeof( textbuf ) );
 547                         mods->sm_op = SLAP_MOD_SOFTADD;
 548                         if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
 549                                 rc = LDAP_SUCCESS;
 550                         }
 551                         break;
 552                 default:
 553                         break;
 554                 }
 555                 if(rc != LDAP_SUCCESS) break;
 556         }
 557
 558         if(rc == LDAP_SUCCESS) {
 559                 if ( mods->sm_desc == slap_schema.si_ad_objectClass ) {
 560                         entry->e_ocflags = 0;
 561                 }
 562                 /* check that the entry still obeys the schema */
 563                 rc = entry_schema_check(op, entry, NULL, 0,
 564                           &rs->sr_text, textbuf, sizeof( textbuf ) );
 565         }
 566         return rc;
 567 }
 568
 569 int
 570 ldif_back_referrals( Operation *op, SlapReply *rs )
 571 {
 572         struct ldif_info        *ni = NULL;
 573         Entry                   *entry;
 574         int                     rc = LDAP_SUCCESS;
 575
 576 #if 0
 577         if ( op->o_tag == LDAP_REQ_SEARCH ) {
 578                 /* let search take care of itself */
 579                 return rc;
 580         }
 581 #endif
 582
 583         if ( get_manageDSAit( op ) ) {
 584                 /* let op take care of DSA management */
 585                 return rc;
 586         }
 587
 588         ni = (struct ldif_info *)op->o_bd->be_private;
 589         ldap_pvt_thread_mutex_lock( &ni->li_mutex );
 590         entry = (Entry *)get_entry( op, &ni->li_base_path );
 591
 592         /* no object is found for them */
 593         if ( entry == NULL ) {
 594                 struct berval   odn = op->o_req_dn;
 595                 struct berval   ondn = op->o_req_ndn;
 596
 597                 struct berval   pndn = op->o_req_ndn;
 598
 599                 for ( ; entry == NULL; ) {
 600                         dnParent( &pndn, &pndn );
 601
 602                         if ( !dnIsSuffix( &pndn, &op->o_bd->be_nsuffix[0] ) ) {
 603                                 break;
 604                         }
 605
 606                         op->o_req_dn = pndn;
 607                         op->o_req_ndn = pndn;
 608
 609                         entry = (Entry *)get_entry( op, &ni->li_base_path );
 610                 }
 611
 612                 ldap_pvt_thread_mutex_unlock( &ni->li_mutex );
 613
 614                 op->o_req_dn = odn;
 615                 op->o_req_ndn = ondn;
 616
 617                 rc = LDAP_SUCCESS;
 618                 rs->sr_matched = NULL;
 619                 if ( entry != NULL ) {
 620                         Debug( LDAP_DEBUG_TRACE,
 621                                 "ldif_back_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
 622                                 (long) op->o_tag, op->o_req_dn.bv_val, entry->e_name.bv_val );
 623
 624                         if ( is_entry_referral( entry ) ) {
 625                                 rc = LDAP_OTHER;
 626                                 rs->sr_ref = get_entry_referrals( op, entry );
 627                                 if ( rs->sr_ref ) {
 628                                         rs->sr_matched = ber_strdup_x(
 629                                         entry->e_name.bv_val, op->o_tmpmemctx );
 630                                 }
 631                         }
 632
 633                         entry_free(entry);
 634
 635                 } else if ( default_referral != NULL ) {
 636                         rc = LDAP_OTHER;
 637                         rs->sr_ref = referral_rewrite( default_referral,
 638                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 639                 }
 640
 641                 if ( rs->sr_ref != NULL ) {
 642                         /* send referrals */
 643                         rc = rs->sr_err = LDAP_REFERRAL;
 644                         send_ldap_result( op, rs );
 645                         ber_bvarray_free( rs->sr_ref );
 646                         rs->sr_ref = NULL;
 647
 648                 } else if ( rc != LDAP_SUCCESS ) {
 649                         rs->sr_err = rc;
 650                         rs->sr_text = rs->sr_matched ? "bad referral object" : NULL;
 651                         send_ldap_result( op, rs );
 652                 }
 653
 654                 if ( rs->sr_matched ) {
 655                         op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
 656                         rs->sr_matched = NULL;
 657                 }
 658
 659                 return rc;
 660         }
 661
 662         ldap_pvt_thread_mutex_unlock( &ni->li_mutex );
 663
 664         if ( is_entry_referral( entry ) ) {
 665                 /* entry is a referral */
 666                 BerVarray refs = get_entry_referrals( op, entry );
 667                 rs->sr_ref = referral_rewrite(
 668                         refs, &entry->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 669
 670                 Debug( LDAP_DEBUG_TRACE,
 671                         "ldif_back_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
 672                         (long) op->o_tag, op->o_req_dn.bv_val, entry->e_name.bv_val );
 673
 674                 rs->sr_matched = entry->e_name.bv_val;
 675                 if ( rs->sr_ref != NULL ) {
 676                         rc = rs->sr_err = LDAP_REFERRAL;
 677                         send_ldap_result( op, rs );
 678                         ber_bvarray_free( rs->sr_ref );
 679                         rs->sr_ref = NULL;
 680
 681                 } else {
 682                         send_ldap_error( op, rs, LDAP_OTHER, "bad referral object" );
 683                         rc = rs->sr_err;
 684                 }
 685
 686                 rs->sr_matched = NULL;
 687                 ber_bvarray_free( refs );
 688         }
 689
 690         entry_free( entry );
 691
 692         return rc;
 693 }
 694
 695 static int
 696 ldif_back_bind( Operation *op, SlapReply *rs )
 697 {
 698         struct ldif_info *ni = NULL;
 699         Attribute * a = NULL;
 700         AttributeDescription *password = slap_schema.si_ad_userPassword;
 701         int return_val = 0;
 702         Entry * entry = NULL;
 703
 704         ni = (struct ldif_info *) op->o_bd->be_private;
 705         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 706         entry = (Entry *) get_entry(op, &ni->li_base_path);
 707
 708         /* no object is found for them */
 709         if(entry == NULL) {
 710                 if(be_isroot_pw(op)) {
 711                         rs->sr_err = return_val = LDAP_SUCCESS;
 712                 } else {
 713                         rs->sr_err = return_val = LDAP_INVALID_CREDENTIALS;
 714                 }
 715                 goto return_result;
 716         }
 717
 718         /* they don't have userpassword */
 719         if((a = attr_find(entry->e_attrs, password)) == NULL) {
 720                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 721                 return_val = 1;
 722                 goto return_result;
 723         }
 724
 725         /* authentication actually failed */
 726         if(slap_passwd_check(op, entry, a, &op->oq_bind.rb_cred,
 727                              &rs->sr_text) != 0) {
 728                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 729                 return_val = 1;
 730                 goto return_result;
 731         }
 732
 733         /* let the front-end send success */
 734         return_val = 0;
 735         goto return_result;
 736
 737  return_result:
 738         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
 739         if(return_val != 0)
 740                 send_ldap_result( op, rs );
 741         if(entry != NULL)
 742                 entry_free(entry);
 743         return return_val;
 744 }
 745
 746 static int ldif_back_search(Operation *op, SlapReply *rs)
 747 {
 748         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 749         enumCookie ck = { NULL, NULL, NULL, 0, 0 };
 750
 751         ck.op = op;
 752         ck.rs = rs;
 753         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 754         rs->sr_err = enum_tree( &ck );
 755         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
 756         send_ldap_result(op, rs);
 757
 758         return rs->sr_err;
 759 }
 760
 761 static int ldif_back_add(Operation *op, SlapReply *rs) {
 762         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 763         Entry * e = op->ora_e;
 764         struct berval dn = e->e_nname;
 765         struct berval leaf_path = BER_BVNULL;
 766         struct stat stats;
 767         int statres;
 768         char textbuf[SLAP_TEXT_BUFLEN];
 769
 770         slap_add_opattrs( op, &rs->sr_text, textbuf, sizeof( textbuf ), 1 );
 771
 772         rs->sr_err = entry_schema_check(op, e, NULL, 0,
 773                 &rs->sr_text, textbuf, sizeof( textbuf ) );
 774         if ( rs->sr_err != LDAP_SUCCESS ) goto send_res;
 775
 776         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 777
 778         dn2path(&dn, &op->o_bd->be_nsuffix[0], &ni->li_base_path, &leaf_path);
 779
 780         if(leaf_path.bv_val != NULL) {
 781                 struct berval base = BER_BVNULL;
 782                 /* build path to container and ldif of container */
 783                 get_parent_path(&leaf_path, &base);
 784
 785                 statres = stat(base.bv_val, &stats); /* check if container exists */
 786                 if(statres == -1 && errno == ENOENT) { /* container missing */
 787                         base.bv_val[base.bv_len] = '.';
 788                         statres = stat(base.bv_val, &stats); /* check for leaf node */
 789                         base.bv_val[base.bv_len] = '\0';
 790                         if(statres == -1 && errno == ENOENT) {
 791                                 rs->sr_err = LDAP_NO_SUCH_OBJECT; /* parent doesn't exist */
 792                         }
 793                         else if(statres != -1) { /* create parent */
 794                                 int mkdirres = mkdir(base.bv_val, 0750);
 795                                 if(mkdirres == -1) {
 796                                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 797                                 }
 798                         }
 799                         else
 800                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 801                 }/* container was possibly created, move on to add the entry */
 802                 if(rs->sr_err == LDAP_SUCCESS) {
 803                         statres = stat(leaf_path.bv_val, &stats);
 804                         if(statres == -1 && errno == ENOENT) {
 805                                 ldap_pvt_thread_mutex_lock(&entry2str_mutex);
 806                                 rs->sr_err = (int) spew_entry(e, &leaf_path);
 807                                 ldap_pvt_thread_mutex_unlock(&entry2str_mutex);
 808                         }
 809                         else /* it already exists */
 810                                 rs->sr_err = LDAP_ALREADY_EXISTS;
 811                 }
 812                 SLAP_FREE(base.bv_val);
 813                 SLAP_FREE(leaf_path.bv_val);
 814         }
 815
 816         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
 817
 818 send_res:
 819         send_ldap_result(op, rs);
 820         if ( !SLAP_SHADOW( op->o_bd ))
 821                 slap_graduate_commit_csn( op );
 822         return 0;
 823 }
 824
 825 static int ldif_back_modify(Operation *op, SlapReply *rs) {
 826         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 827         Modifications * modlst = op->orm_modlist;
 828         struct berval path = BER_BVNULL;
 829         Entry * entry = NULL;
 830         int spew_res;
 831
 832         if ( !SLAP_SHADOW( op->o_bd ))
 833                 slap_mods_opattrs( op, &op->orm_modlist, 1 );
 834
 835         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 836         dn2path(&op->o_req_ndn, &op->o_bd->be_nsuffix[0], &ni->li_base_path,
 837                 &path);
 838         entry = (Entry *) get_entry(op, &ni->li_base_path);
 839
 840         if(entry != NULL) {
 841                 rs->sr_err = apply_modify_to_entry(entry, modlst, op, rs);
 842                 if(rs->sr_err == LDAP_SUCCESS) {
 843                         ldap_pvt_thread_mutex_lock(&entry2str_mutex);
 844                         spew_res = spew_entry(entry, &path);
 845                         ldap_pvt_thread_mutex_unlock(&entry2str_mutex);
 846                         if(spew_res == -1) {
 847                                 perror("could not output entry");
 848                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 849                         }
 850                 }
 851         }
 852         else {
 853                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 854         }
 855
 856         if(entry != NULL)
 857                 entry_free(entry);
 858         if(path.bv_val != NULL)
 859                 SLAP_FREE(path.bv_val);
 860         rs->sr_text = NULL;
 861         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
 862         send_ldap_result(op, rs);
 863         if ( !SLAP_SHADOW( op->o_bd ))
 864                 slap_graduate_commit_csn( op );
 865         return 0;
 866 }
 867
 868 static int ldif_back_delete(Operation *op, SlapReply *rs) {
 869         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 870         struct berval path = BER_BVNULL;
 871         int res = 0;
 872
 873         if ( !SLAP_SHADOW( op->o_bd )) {
 874                 struct berval csn;
 875                 char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
 876
 877                 csn.bv_val = csnbuf;
 878                 csn.bv_len = sizeof( csnbuf );
 879                 slap_get_csn( op, &csn, 1 );
 880         }
 881
 882         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 883         dn2path(&op->o_req_ndn, &op->o_bd->be_nsuffix[0], &ni->li_base_path, &path);
 884
 885         path.bv_val[path.bv_len - STRLENOF(LDIF)] = '\0';
 886         res = rmdir(path.bv_val);
 887         path.bv_val[path.bv_len - STRLENOF(LDIF)] = '.';
 888         if ( res && errno != ENOENT ) {
 889                 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 890         } else {
 891                 res = unlink(path.bv_val);
 892         }
 893
 894         if(res == -1) {
 895                 if(errno == ENOENT)
 896                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 897                 else
 898                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 899         }
 900         else
 901                 rs->sr_err = LDAP_SUCCESS;
 902
 903         SLAP_FREE(path.bv_val);
 904         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
 905         send_ldap_result(op, rs);
 906         if ( !SLAP_SHADOW( op->o_bd ))
 907                 slap_graduate_commit_csn( op );
 908         return 0;
 909 }
 910
 911
 912 static int move_entry(Entry * entry, struct berval * ndn,
 913                            struct berval * newndn, struct berval * rootdn,
 914                            struct berval * base_path) {
 915         int res;
 916         int exists_res;
 917         struct berval path;
 918         struct berval newpath;
 919
 920         dn2path(ndn, rootdn, base_path, &path);
 921         dn2path(newndn, rootdn, base_path, &newpath);
 922
 923         if((entry == NULL || path.bv_val == NULL) || newpath.bv_val == NULL) {
 924                 /* some object doesn't exist */
 925                 res = LDAP_NO_SUCH_OBJECT;
 926         }
 927         else { /* do the modrdn */
 928                 exists_res = open(newpath.bv_val, O_RDONLY);
 929                 if(exists_res == -1 && errno == ENOENT) {
 930                         res = spew_entry(entry, &newpath);
 931                         if(res != -1) {
 932                                 /* if this fails we should log something bad */
 933                                 res = unlink(path.bv_val);
 934                                 res = LDAP_SUCCESS;
 935                         }
 936                         else {
 937                                 if(errno == ENOENT)
 938                                         res = LDAP_NO_SUCH_OBJECT;
 939                                 else
 940                                         res = LDAP_UNWILLING_TO_PERFORM;
 941                                 unlink(newpath.bv_val); /* in case file was created */
 942                         }
 943                 }
 944                 else if(exists_res) {
 945                         int close_res = close(exists_res);
 946                         res = LDAP_ALREADY_EXISTS;
 947                         if(close_res == -1) {
 948                         /* log heinous error */
 949                         }
 950                 }
 951                 else {
 952                         res = LDAP_UNWILLING_TO_PERFORM;
 953                 }
 954         }
 955
 956         if(newpath.bv_val != NULL)
 957                 SLAP_FREE(newpath.bv_val);
 958         if(path.bv_val != NULL)
 959                 SLAP_FREE(path.bv_val);
 960         return res;
 961 }
 962
 963 static int ldif_back_modrdn(Operation *op, SlapReply *rs) {
 964         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 965         struct berval new_dn = BER_BVNULL, new_ndn = BER_BVNULL;
 966         struct berval p_dn, bv = BER_BVNULL;
 967         Entry * entry = NULL;
 968         LDAPRDN new_rdn = NULL;
 969         LDAPRDN old_rdn = NULL;
 970         Modifications * mods = NULL;
 971         int res;
 972
 973         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 974         ldap_pvt_thread_mutex_lock(&entry2str_mutex);
 975         entry = (Entry *) get_entry(op, &ni->li_base_path);
 976
 977         /* build the mods to the entry */
 978         if(entry != NULL) {
 979                 if(ldap_bv2rdn(&op->oq_modrdn.rs_newrdn, &new_rdn,
 980                         (char **)&rs->sr_text, LDAP_DN_FORMAT_LDAP)) {
 981                         rs->sr_err = LDAP_INVALID_DN_SYNTAX;
 982                 }
 983                 else if(op->oq_modrdn.rs_deleteoldrdn &&
 984                         ldap_bv2rdn(&op->o_req_dn, &old_rdn, (char **)&rs->sr_text,
 985                         LDAP_DN_FORMAT_LDAP)) {
 986                         rs->sr_err = LDAP_OTHER;
 987                 }
 988                 else { /* got both rdns successfully, ready to build mods */
 989                         if(slap_modrdn2mods(op, rs, entry, old_rdn, new_rdn, &mods)
 990                                 != LDAP_SUCCESS) {
 991                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 992                         }
 993                         else { /* built mods successfully */
 994
 995                                 /* build new dn, and new ndn for the entry */
 996                                 if(op->oq_modrdn.rs_newSup != NULL) /* new superior */
 997                                         p_dn = *op->oq_modrdn.rs_newSup;
 998                                 else
 999                                         p_dn = slap_empty_bv;
1000                                 dnParent(&entry->e_name, &p_dn);
1001                                 build_new_dn(&new_dn, &p_dn, &op->oq_modrdn.rs_newrdn, NULL);
1002                                 dnNormalize( 0, NULL, NULL, &new_dn, &bv, op->o_tmpmemctx );
1003                                 ber_dupbv( &new_ndn, &bv );
1004                                 entry->e_name = new_dn;
1005                                 entry->e_nname = new_ndn;
1006
1007                                 /* perform the modifications */
1008                                 res = apply_modify_to_entry(entry, mods, op, rs);
1009                                 if(res == LDAP_SUCCESS) {
1010                                         rs->sr_err = move_entry(entry, &op->o_req_ndn,
1011                                                                 &new_ndn,
1012                                                                 &op->o_bd->be_nsuffix[0],
1013                                                                 &ni->li_base_path);
1014                                 }
1015                                 else
1016                                         rs->sr_err = res;
1017                         }
1018                 }
1019         }
1020         else /* entry was null */
1021                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
1022
1023         if(entry != NULL)
1024                 entry_free(entry);
1025         rs->sr_text = "";
1026         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
1027         ldap_pvt_thread_mutex_unlock(&entry2str_mutex);
1028         send_ldap_result(op, rs);
1029         return 0;
1030 }
1031
1032 /* return LDAP_SUCCESS IFF we can retrieve the specified entry.
1033  */
1034 int ldif_back_entry_get(
1035         Operation *op,
1036         struct berval *ndn,
1037         ObjectClass *oc,
1038         AttributeDescription *at,
1039         int rw,
1040         Entry **ent )
1041 {
1042         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
1043
1044         ldap_pvt_thread_mutex_lock( &ni->li_mutex );
1045
1046         *ent = (Entry *) get_entry( op, &ni->li_base_path );
1047
1048         ldap_pvt_thread_mutex_unlock( &ni->li_mutex );
1049
1050         return ( *ent == NULL ? 1 : 0 );
1051 }
1052
1053 static int ldif_tool_entry_open(BackendDB * be, int mode) {
1054         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1055         ni->li_tool_current = 0;
1056         return 0;
1057 }
1058
1059 static int ldif_tool_entry_close(BackendDB * be) {
1060         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1061
1062         SLAP_FREE(ni->li_tool_cookie.entries);
1063         return 0;
1064 }
1065
1066 static ID
1067 ldif_tool_entry_first(BackendDB *be)
1068 {
1069         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1070         ID id = 1; /* first entry in the array of entries shifted by one */
1071
1072         ni->li_tool_current = 1;
1073         if(ni->li_tool_cookie.entries == NULL) {
1074                 Operation op = {0};
1075
1076                 op.o_bd = be;
1077                 op.o_req_dn = *be->be_suffix;
1078                 op.o_req_ndn = *be->be_nsuffix;
1079                 op.ors_scope = LDAP_SCOPE_SUBTREE;
1080                 ni->li_tool_cookie.op = &op;
1081                 (void)enum_tree( &ni->li_tool_cookie );
1082                 ni->li_tool_cookie.op = NULL;
1083         }
1084         return id;
1085 }
1086
1087 static ID ldif_tool_entry_next(BackendDB *be)
1088 {
1089         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1090         ni->li_tool_current += 1;
1091         if(ni->li_tool_current > ni->li_tool_cookie.eind)
1092                 return NOID;
1093         else
1094                 return ni->li_tool_current;
1095 }
1096
1097 static Entry * ldif_tool_entry_get(BackendDB * be, ID id) {
1098         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1099         Entry * e;
1100
1101         if(id > ni->li_tool_cookie.eind || id < 1)
1102                 return NULL;
1103         else {
1104                 e = ni->li_tool_cookie.entries[id - 1];
1105                 ni->li_tool_cookie.entries[id - 1] = NULL;
1106                 return e;
1107         }
1108 }
1109
1110 static ID ldif_tool_entry_put(BackendDB * be, Entry * e, struct berval *text) {
1111         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1112         struct berval dn = e->e_nname;
1113         struct berval leaf_path = BER_BVNULL;
1114         struct stat stats;
1115         int statres;
1116         int res = LDAP_SUCCESS;
1117
1118         dn2path(&dn, &be->be_nsuffix[0], &ni->li_base_path, &leaf_path);
1119
1120         if(leaf_path.bv_val != NULL) {
1121                 struct berval base = BER_BVNULL;
1122                 /* build path to container, and path to ldif of container */
1123                 get_parent_path(&leaf_path, &base);
1124
1125                 statres = stat(base.bv_val, &stats); /* check if container exists */
1126                 if(statres == -1 && errno == ENOENT) { /* container missing */
1127                         base.bv_val[base.bv_len] = '.';
1128                         statres = stat(base.bv_val, &stats); /* check for leaf node */
1129                         base.bv_val[base.bv_len] = '\0';
1130                         if(statres == -1 && errno == ENOENT) {
1131                                 res = LDAP_NO_SUCH_OBJECT; /* parent doesn't exist */
1132                         }
1133                         else if(statres != -1) { /* create parent */
1134                                 int mkdirres = mkdir(base.bv_val, 0750);
1135                                 if(mkdirres == -1) {
1136                                         res = LDAP_UNWILLING_TO_PERFORM;
1137                                 }
1138                         }
1139                         else
1140                                 res = LDAP_UNWILLING_TO_PERFORM;
1141                 }/* container was possibly created, move on to add the entry */
1142                 if(res == LDAP_SUCCESS) {
1143                         statres = stat(leaf_path.bv_val, &stats);
1144                         if(statres == -1 && errno == ENOENT) {
1145                                 res = (int) spew_entry(e, &leaf_path);
1146                         }
1147                         else /* it already exists */
1148                                 res = LDAP_ALREADY_EXISTS;
1149                 }
1150                 SLAP_FREE(base.bv_val);
1151                 SLAP_FREE(leaf_path.bv_val);
1152         }
1153
1154         if(res == LDAP_SUCCESS) {
1155                 return 1;
1156         }
1157         else
1158                 return NOID;
1159 }
1160
1161 static int
1162 ldif_back_db_init( BackendDB *be )
1163 {
1164         struct ldif_info *ni;
1165
1166         ni = ch_calloc( 1, sizeof(struct ldif_info) );
1167         be->be_private = ni;
1168         be->be_cf_ocs = ldifocs;
1169         ldap_pvt_thread_mutex_init(&ni->li_mutex);
1170         return 0;
1171 }
1172
1173 static int
1174 ldif_back_db_destroy(
1175                            Backend      *be
1176                            )
1177 {
1178         struct ldif_info *ni = be->be_private;
1179
1180         ch_free(ni->li_base_path.bv_val);
1181         ldap_pvt_thread_mutex_destroy(&ni->li_mutex);
1182         free( be->be_private );
1183         return 0;
1184 }
1185
1186 static int
1187 ldif_back_db_open(
1188                         Backend *be
1189                         )
1190 {
1191         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1192         if( BER_BVISEMPTY(&ni->li_base_path)) {/* missing base path */
1193                 fprintf(stderr, "missing base path for back-ldif\n");
1194                 return 1;
1195         }
1196         return 0;
1197 }
1198
1199 int
1200 ldif_back_initialize(
1201                            BackendInfo  *bi
1202                            )
1203 {
1204         static char *controls[] = {
1205                 LDAP_CONTROL_MANAGEDSAIT,
1206                 NULL
1207         };
1208         int rc;
1209
1210         bi->bi_flags |=
1211                 SLAP_BFLAG_INCREMENT |
1212                 SLAP_BFLAG_REFERRALS;
1213
1214         bi->bi_controls = controls;
1215
1216         bi->bi_open = 0;
1217         bi->bi_close = 0;
1218         bi->bi_config = 0;
1219         bi->bi_destroy = 0;
1220
1221         bi->bi_db_init = ldif_back_db_init;
1222         bi->bi_db_config = config_generic_wrapper;
1223         bi->bi_db_open = ldif_back_db_open;
1224         bi->bi_db_close = 0;
1225         bi->bi_db_destroy = ldif_back_db_destroy;
1226
1227         bi->bi_op_bind = ldif_back_bind;
1228         bi->bi_op_unbind = 0;
1229         bi->bi_op_search = ldif_back_search;
1230         bi->bi_op_compare = 0;
1231         bi->bi_op_modify = ldif_back_modify;
1232         bi->bi_op_modrdn = ldif_back_modrdn;
1233         bi->bi_op_add = ldif_back_add;
1234         bi->bi_op_delete = ldif_back_delete;
1235         bi->bi_op_abandon = 0;
1236
1237         bi->bi_extended = 0;
1238
1239         bi->bi_chk_referrals = ldif_back_referrals;
1240
1241         bi->bi_connection_init = 0;
1242         bi->bi_connection_destroy = 0;
1243
1244         bi->bi_entry_get_rw = ldif_back_entry_get;
1245
1246 #if 0   /* NOTE: uncomment to completely disable access control */
1247 #ifdef SLAP_OVERLAY_ACCESS
1248         bi->bi_access_allowed = slap_access_always_allowed;
1249 #endif /* SLAP_OVERLAY_ACCESS */
1250 #endif
1251
1252         bi->bi_tool_entry_open = ldif_tool_entry_open;
1253         bi->bi_tool_entry_close = ldif_tool_entry_close;
1254         bi->bi_tool_entry_first = ldif_tool_entry_first;
1255         bi->bi_tool_entry_next = ldif_tool_entry_next;
1256         bi->bi_tool_entry_get = ldif_tool_entry_get;
1257         bi->bi_tool_entry_put = ldif_tool_entry_put;
1258         bi->bi_tool_entry_reindex = 0;
1259         bi->bi_tool_sync = 0;
1260
1261         bi->bi_tool_dn2id_get = 0;
1262         bi->bi_tool_id2entry_get = 0;
1263         bi->bi_tool_entry_modify = 0;
1264
1265         bi->bi_cf_ocs = ldifocs;
1266
1267         rc = config_register_schema( ldifcfg, ldifocs );
1268         if ( rc ) return rc;
1269         return 0;
1270 }