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 2005-2006 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                 Debug( LDAP_DEBUG_ANY, "could not open \"%s\": %s\n",
 178                         path->bv_val, strerror( errno ), 0 );
 179         }
 180         else {
 181                 struct berval rdn;
 182                 int tmp;
 183
 184                 /* Only save the RDN onto disk */
 185                 dnRdn( &e->e_name, &rdn );
 186                 if ( rdn.bv_len != e->e_name.bv_len ) {
 187                         e->e_name.bv_val[rdn.bv_len] = '\0';
 188                         tmp = e->e_name.bv_len;
 189                         e->e_name.bv_len = rdn.bv_len;
 190                         rdn.bv_len = tmp;
 191                 }
 192
 193                 entry_as_string = entry2str(e, &entry_length);
 194
 195                 /* Restore full DN */
 196                 if ( rdn.bv_len != e->e_name.bv_len ) {
 197                         e->e_name.bv_val[e->e_name.bv_len] = ',';
 198                         e->e_name.bv_len = rdn.bv_len;
 199                 }
 200
 201                 if(entry_as_string == NULL) {
 202                         rs = LDAP_UNWILLING_TO_PERFORM;
 203                         close(openres);
 204                 }
 205                 else {
 206                         spew_res = spew_file(openres, entry_as_string, entry_length);
 207                         close(openres);
 208                         if(spew_res == -1)
 209                                 rs = LDAP_UNWILLING_TO_PERFORM;
 210                         else
 211                                 rs = LDAP_SUCCESS;
 212                 }
 213         }
 214         return rs;
 215 }
 216
 217 static Entry * get_entry_for_fd(int fd,
 218         struct berval *pdn,
 219         struct berval *pndn)
 220 {
 221         char * entry = (char *) slurp_file(fd);
 222         Entry * ldentry = NULL;
 223
 224         /* error reading file */
 225         if(entry == NULL) {
 226                 goto return_value;
 227         }
 228
 229         ldentry = str2entry(entry);
 230         if ( ldentry ) {
 231                 struct berval rdn;
 232                 rdn = ldentry->e_name;
 233                 build_new_dn( &ldentry->e_name, pdn, &rdn, NULL );
 234                 ch_free( rdn.bv_val );
 235                 rdn = ldentry->e_nname;
 236                 build_new_dn( &ldentry->e_nname, pndn, &rdn, NULL );
 237                 ch_free( rdn.bv_val );
 238         }
 239
 240  return_value:
 241         if(fd != -1) {
 242                 if(close(fd) != 0) {
 243                         /* log error */
 244                 }
 245         }
 246         if(entry != NULL)
 247                 SLAP_FREE(entry);
 248         return ldentry;
 249 }
 250
 251 static Entry * get_entry(Operation *op, struct berval *base_path) {
 252         struct berval path, pdn, pndn;
 253         int fd;
 254
 255         dnParent(&op->o_req_dn, &pdn);
 256         dnParent(&op->o_req_ndn, &pndn);
 257         dn2path(&op->o_req_ndn, op->o_bd->be_nsuffix, base_path, &path);
 258         fd = open(path.bv_val, O_RDONLY);
 259         /* error opening file (mebbe should log error) */
 260         if(fd == -1) {
 261                 perror("failed to open file");
 262         }
 263
 264         if(path.bv_val != NULL)
 265                 SLAP_FREE(path.bv_val);
 266
 267         if ( fd != -1 ) {
 268                 return get_entry_for_fd(fd, &pdn, &pndn);
 269         }
 270
 271         return NULL;
 272 }
 273
 274 static void fullpath(struct berval *base, struct berval *name, struct berval *res) {
 275         char *ptr;
 276         res->bv_len = name->bv_len + base->bv_len + 1;
 277         res->bv_val = ch_malloc( res->bv_len + 1 );
 278         strcpy(res->bv_val, base->bv_val);
 279         ptr = res->bv_val + base->bv_len;
 280         *ptr++ = LDAP_DIRSEP[0];
 281         strcpy(ptr, name->bv_val);
 282 }
 283
 284 typedef struct bvlist {
 285         struct bvlist *next;
 286         struct berval bv;
 287         struct berval num;
 288         unsigned int inum;
 289         int off;
 290 } bvlist;
 291
 292
 293 static int r_enum_tree(enumCookie *ck, struct berval *path,
 294         struct berval *pdn, struct berval *pndn)
 295 {
 296         Entry *e;
 297         int fd, rc = LDAP_SUCCESS;
 298
 299         fd = open( path->bv_val, O_RDONLY );
 300         if ( fd < 0 ) {
 301                 Debug( LDAP_DEBUG_ANY,
 302                         "=> ldif_enum_tree: failed to open %s: %s\n",
 303                         path->bv_val, strerror(errno), 0 );
 304                 return LDAP_NO_SUCH_OBJECT;
 305         }
 306
 307         e = get_entry_for_fd(fd, pdn, pndn);
 308         if ( !e ) {
 309                 Debug( LDAP_DEBUG_ANY,
 310                         "=> ldif_enum_tree: failed to read entry for %s\n",
 311                         path->bv_val, 0, 0 );
 312                 return LDAP_BUSY;
 313         }
 314
 315         if ( ck->op->ors_scope == LDAP_SCOPE_BASE ||
 316                 ck->op->ors_scope == LDAP_SCOPE_SUBTREE ) {
 317                 /* Send right away? */
 318                 if ( ck->rs ) {
 319                         /*
 320                          * if it's a referral, add it to the list of referrals. only do
 321                          * this for non-base searches, and don't check the filter
 322                          * explicitly here since it's only a candidate anyway.
 323                          */
 324                         if ( !get_manageDSAit( ck->op )
 325                                         && ck->op->ors_scope != LDAP_SCOPE_BASE
 326                                         && is_entry_referral( e ) )
 327                         {
 328                                 BerVarray erefs = get_entry_referrals( ck->op, e );
 329                                 ck->rs->sr_ref = referral_rewrite( erefs,
 330                                                 &e->e_name, NULL,
 331                                                 ck->op->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL
 332                                                         ? LDAP_SCOPE_BASE : LDAP_SCOPE_SUBTREE );
 333
 334                                 ck->rs->sr_entry = e;
 335                                 rc = send_search_reference( ck->op, ck->rs );
 336                                 ber_bvarray_free( ck->rs->sr_ref );
 337                                 ber_bvarray_free( erefs );
 338                                 ck->rs->sr_ref = NULL;
 339                                 ck->rs->sr_entry = NULL;
 340
 341                         } else if ( test_filter( ck->op, e, ck->op->ors_filter ) == LDAP_COMPARE_TRUE )
 342                         {
 343                                 ck->rs->sr_entry = e;
 344                                 ck->rs->sr_attrs = ck->op->ors_attrs;
 345                                 ck->rs->sr_flags = REP_ENTRY_MODIFIABLE;
 346                                 rc = send_search_entry(ck->op, ck->rs);
 347                                 ck->rs->sr_entry = NULL;
 348                         }
 349                         fd = 1;
 350                         if ( rc )
 351                                 goto done;
 352                 } else {
 353                 /* Queueing up for tool mode */
 354                         if(ck->entries == NULL) {
 355                                 ck->entries = (Entry **) ch_malloc(sizeof(Entry *) * ENTRY_BUFF_INCREMENT);
 356                                 ck->elen = ENTRY_BUFF_INCREMENT;
 357                         }
 358                         if(ck->eind >= ck->elen) { /* grow entries if necessary */
 359                                 ck->entries = (Entry **) ch_realloc(ck->entries, sizeof(Entry *) * (ck->elen) * 2);
 360                                 ck->elen *= 2;
 361                         }
 362
 363                         ck->entries[ck->eind++] = e;
 364                         fd = 0;
 365                 }
 366         } else {
 367                 fd = 1;
 368         }
 369
 370         if ( ck->op->ors_scope != LDAP_SCOPE_BASE ) {
 371                 DIR * dir_of_path;
 372                 bvlist *list = NULL, *ptr;
 373
 374                 path->bv_len -= STRLENOF( LDIF );
 375                 path->bv_val[path->bv_len] = '\0';
 376
 377                 dir_of_path = opendir(path->bv_val);
 378                 if(dir_of_path == NULL) { /* can't open directory */
 379                         if ( errno != ENOENT ) {
 380                                 /* it shouldn't be treated as an error
 381                                  * only if the directory doesn't exist */
 382                                 rc = LDAP_BUSY;
 383                                 Debug( LDAP_DEBUG_TRACE,
 384                                         "=> ldif_enum_tree: failed to opendir %s (%d)\n",
 385                                         path->bv_val, errno, 0 );
 386                         }
 387                         goto done;
 388                 }
 389
 390                 while(1) {
 391                         struct berval fname, itmp;
 392                         struct dirent * dir;
 393                         bvlist *bvl, **prev;
 394
 395                         dir = readdir(dir_of_path);
 396                         if(dir == NULL) break; /* end of the directory */
 397                         fname.bv_len = strlen( dir->d_name );
 398                         if ( fname.bv_len <= STRLENOF( LDIF ))
 399                                 continue;
 400                         if ( strcmp( dir->d_name + (fname.bv_len - STRLENOF(LDIF)), LDIF))
 401                                 continue;
 402                         fname.bv_val = dir->d_name;
 403
 404                         bvl = ch_malloc( sizeof(bvlist) );
 405                         ber_dupbv( &bvl->bv, &fname );
 406                         BER_BVZERO( &bvl->num );
 407                         itmp.bv_val = strchr( bvl->bv.bv_val, IX_FSL );
 408                         if ( itmp.bv_val ) {
 409                                 char *ptr;
 410                                 itmp.bv_val++;
 411                                 ptr = strchr( itmp.bv_val, IX_FSR );
 412                                 if ( ptr ) {
 413                                         itmp.bv_len = ptr - itmp.bv_val;
 414                                         ber_dupbv( &bvl->num, &itmp );
 415                                         bvl->inum = strtoul( itmp.bv_val, NULL, 0 );
 416                                         itmp.bv_val[0] = '\0';
 417                                         bvl->off = itmp.bv_val - bvl->bv.bv_val;
 418                                 }
 419                         }
 420
 421                         for (prev = &list; (ptr = *prev) != NULL; prev = &ptr->next) {
 422                                 int cmp = strcmp( bvl->bv.bv_val, ptr->bv.bv_val );
 423                                 if ( !cmp && bvl->num.bv_val )
 424                                         cmp = bvl->inum - ptr->inum;
 425                                 if ( cmp < 0 )
 426                                         break;
 427                         }
 428                         *prev = bvl;
 429                         bvl->next = ptr;
 430
 431                 }
 432                 closedir(dir_of_path);
 433
 434                 if (ck->op->ors_scope == LDAP_SCOPE_ONELEVEL)
 435                         ck->op->ors_scope = LDAP_SCOPE_BASE;
 436                 else if ( ck->op->ors_scope == LDAP_SCOPE_SUBORDINATE)
 437                         ck->op->ors_scope = LDAP_SCOPE_SUBTREE;
 438
 439                 while ( ( ptr = list ) ) {
 440                         struct berval fpath;
 441
 442                         list = ptr->next;
 443
 444                         if ( rc == LDAP_SUCCESS ) {
 445                                 if ( ptr->num.bv_val )
 446                                         AC_MEMCPY( ptr->bv.bv_val + ptr->off, ptr->num.bv_val,
 447                                                 ptr->num.bv_len );
 448                                 fullpath( path, &ptr->bv, &fpath );
 449                                 rc = r_enum_tree(ck, &fpath, &e->e_name, &e->e_nname );
 450                                 free(fpath.bv_val);
 451                         }
 452                         if ( ptr->num.bv_val )
 453                                 free( ptr->num.bv_val );
 454                         free(ptr->bv.bv_val);
 455                         free(ptr);
 456                 }
 457         }
 458 done:
 459         if ( fd ) entry_free( e );
 460         return rc;
 461 }
 462
 463 static int
 464 enum_tree(
 465         enumCookie *ck
 466 )
 467 {
 468         struct ldif_info *ni = (struct ldif_info *) ck->op->o_bd->be_private;
 469         struct berval path;
 470         struct berval pdn, pndn;
 471         int rc;
 472
 473         dnParent( &ck->op->o_req_dn, &pdn );
 474         dnParent( &ck->op->o_req_ndn, &pndn );
 475         dn2path( &ck->op->o_req_ndn, &ck->op->o_bd->be_nsuffix[0], &ni->li_base_path, &path);
 476         rc = r_enum_tree(ck, &path, &pdn, &pndn);
 477         ch_free( path.bv_val );
 478         return rc;
 479 }
 480
 481 /* Get the parent path plus the LDIF suffix */
 482 static void get_parent_path(struct berval * dnpath, struct berval *res) {
 483         int dnpathlen = dnpath->bv_len;
 484         int i;
 485
 486         for(i = dnpathlen;i>0;i--) /* find the first path seperator */
 487                 if(dnpath->bv_val[i] == LDAP_DIRSEP[0])
 488                         break;
 489         res->bv_len = i;
 490         res->bv_val = ch_malloc( res->bv_len + 1 + STRLENOF(LDIF) );
 491         strncpy(res->bv_val, dnpath->bv_val, i);
 492         strcpy(res->bv_val+i, LDIF);
 493         res->bv_val[i] = '\0';
 494 }
 495
 496 static int apply_modify_to_entry(Entry * entry,
 497                                 Modifications * modlist,
 498                                 Operation * op,
 499                                 SlapReply * rs)
 500 {
 501         char textbuf[SLAP_TEXT_BUFLEN];
 502         int rc = LDAP_UNWILLING_TO_PERFORM;
 503         Modification *mods = NULL;
 504
 505         if (!acl_check_modlist(op, entry, modlist)) {
 506                 return LDAP_INSUFFICIENT_ACCESS;
 507         }
 508
 509         for (; modlist != NULL; modlist = modlist->sml_next) {
 510                 mods = &modlist->sml_mod;
 511
 512                 switch (mods->sm_op) {
 513                 case LDAP_MOD_ADD:
 514                         rc = modify_add_values(entry, mods,
 515                                    get_permissiveModify(op),
 516                                    &rs->sr_text, textbuf,
 517                                    sizeof( textbuf ) );
 518                         break;
 519
 520                 case LDAP_MOD_DELETE:
 521                         rc = modify_delete_values(entry, mods,
 522                                 get_permissiveModify(op),
 523                                 &rs->sr_text, textbuf,
 524                                 sizeof( textbuf ) );
 525                         break;
 526
 527                 case LDAP_MOD_REPLACE:
 528                         rc = modify_replace_values(entry, mods,
 529                                  get_permissiveModify(op),
 530                                  &rs->sr_text, textbuf,
 531                                  sizeof( textbuf ) );
 532                         break;
 533
 534                 case LDAP_MOD_INCREMENT:
 535                         rc = modify_increment_values( entry,
 536                                 mods, get_permissiveModify(op),
 537                                 &rs->sr_text, textbuf,
 538                                 sizeof( textbuf ) );
 539                         break;
 540
 541                         break;
 542
 543                 case SLAP_MOD_SOFTADD:
 544                         mods->sm_op = LDAP_MOD_ADD;
 545                         rc = modify_add_values(entry, mods,
 546                                    get_permissiveModify(op),
 547                                    &rs->sr_text, textbuf,
 548                                    sizeof( textbuf ) );
 549                         mods->sm_op = SLAP_MOD_SOFTADD;
 550                         if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
 551                                 rc = LDAP_SUCCESS;
 552                         }
 553                         break;
 554                 default:
 555                         break;
 556                 }
 557                 if(rc != LDAP_SUCCESS) break;
 558         }
 559
 560         if(rc == LDAP_SUCCESS) {
 561                 if ( mods->sm_desc == slap_schema.si_ad_objectClass ) {
 562                         entry->e_ocflags = 0;
 563                 }
 564                 /* check that the entry still obeys the schema */
 565                 rc = entry_schema_check(op, entry, NULL, 0,
 566                           &rs->sr_text, textbuf, sizeof( textbuf ) );
 567         }
 568         return rc;
 569 }
 570
 571 int
 572 ldif_back_referrals( Operation *op, SlapReply *rs )
 573 {
 574         struct ldif_info        *ni = NULL;
 575         Entry                   *entry;
 576         int                     rc = LDAP_SUCCESS;
 577
 578 #if 0
 579         if ( op->o_tag == LDAP_REQ_SEARCH ) {
 580                 /* let search take care of itself */
 581                 return rc;
 582         }
 583 #endif
 584
 585         if ( get_manageDSAit( op ) ) {
 586                 /* let op take care of DSA management */
 587                 return rc;
 588         }
 589
 590         ni = (struct ldif_info *)op->o_bd->be_private;
 591         ldap_pvt_thread_mutex_lock( &ni->li_mutex );
 592         entry = (Entry *)get_entry( op, &ni->li_base_path );
 593
 594         /* no object is found for them */
 595         if ( entry == NULL ) {
 596                 struct berval   odn = op->o_req_dn;
 597                 struct berval   ondn = op->o_req_ndn;
 598
 599                 struct berval   pndn = op->o_req_ndn;
 600
 601                 for ( ; entry == NULL; ) {
 602                         dnParent( &pndn, &pndn );
 603
 604                         if ( !dnIsSuffix( &pndn, &op->o_bd->be_nsuffix[0] ) ) {
 605                                 break;
 606                         }
 607
 608                         op->o_req_dn = pndn;
 609                         op->o_req_ndn = pndn;
 610
 611                         entry = (Entry *)get_entry( op, &ni->li_base_path );
 612                 }
 613
 614                 ldap_pvt_thread_mutex_unlock( &ni->li_mutex );
 615
 616                 op->o_req_dn = odn;
 617                 op->o_req_ndn = ondn;
 618
 619                 rc = LDAP_SUCCESS;
 620                 rs->sr_matched = NULL;
 621                 if ( entry != NULL ) {
 622                         Debug( LDAP_DEBUG_TRACE,
 623                                 "ldif_back_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
 624                                 (long) op->o_tag, op->o_req_dn.bv_val, entry->e_name.bv_val );
 625
 626                         if ( is_entry_referral( entry ) ) {
 627                                 rc = LDAP_OTHER;
 628                                 rs->sr_ref = get_entry_referrals( op, entry );
 629                                 if ( rs->sr_ref ) {
 630                                         rs->sr_matched = ber_strdup_x(
 631                                         entry->e_name.bv_val, op->o_tmpmemctx );
 632                                 }
 633                         }
 634
 635                         entry_free(entry);
 636
 637                 } else if ( default_referral != NULL ) {
 638                         rc = LDAP_OTHER;
 639                         rs->sr_ref = referral_rewrite( default_referral,
 640                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 641                 }
 642
 643                 if ( rs->sr_ref != NULL ) {
 644                         /* send referrals */
 645                         rc = rs->sr_err = LDAP_REFERRAL;
 646                         send_ldap_result( op, rs );
 647                         ber_bvarray_free( rs->sr_ref );
 648                         rs->sr_ref = NULL;
 649
 650                 } else if ( rc != LDAP_SUCCESS ) {
 651                         rs->sr_err = rc;
 652                         rs->sr_text = rs->sr_matched ? "bad referral object" : NULL;
 653                         send_ldap_result( op, rs );
 654                 }
 655
 656                 if ( rs->sr_matched ) {
 657                         op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
 658                         rs->sr_matched = NULL;
 659                 }
 660
 661                 return rc;
 662         }
 663
 664         ldap_pvt_thread_mutex_unlock( &ni->li_mutex );
 665
 666         if ( is_entry_referral( entry ) ) {
 667                 /* entry is a referral */
 668                 BerVarray refs = get_entry_referrals( op, entry );
 669                 rs->sr_ref = referral_rewrite(
 670                         refs, &entry->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 671
 672                 Debug( LDAP_DEBUG_TRACE,
 673                         "ldif_back_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
 674                         (long) op->o_tag, op->o_req_dn.bv_val, entry->e_name.bv_val );
 675
 676                 rs->sr_matched = entry->e_name.bv_val;
 677                 if ( rs->sr_ref != NULL ) {
 678                         rc = rs->sr_err = LDAP_REFERRAL;
 679                         send_ldap_result( op, rs );
 680                         ber_bvarray_free( rs->sr_ref );
 681                         rs->sr_ref = NULL;
 682
 683                 } else {
 684                         send_ldap_error( op, rs, LDAP_OTHER, "bad referral object" );
 685                         rc = rs->sr_err;
 686                 }
 687
 688                 rs->sr_matched = NULL;
 689                 ber_bvarray_free( refs );
 690         }
 691
 692         entry_free( entry );
 693
 694         return rc;
 695 }
 696
 697 static int
 698 ldif_back_bind( Operation *op, SlapReply *rs )
 699 {
 700         struct ldif_info *ni = NULL;
 701         Attribute * a = NULL;
 702         AttributeDescription *password = slap_schema.si_ad_userPassword;
 703         int return_val = 0;
 704         Entry * entry = NULL;
 705
 706         ni = (struct ldif_info *) op->o_bd->be_private;
 707         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 708         entry = (Entry *) get_entry(op, &ni->li_base_path);
 709
 710         /* no object is found for them */
 711         if(entry == NULL) {
 712                 if(be_isroot_pw(op)) {
 713                         rs->sr_err = return_val = LDAP_SUCCESS;
 714                 } else {
 715                         rs->sr_err = return_val = LDAP_INVALID_CREDENTIALS;
 716                 }
 717                 goto return_result;
 718         }
 719
 720         /* they don't have userpassword */
 721         if((a = attr_find(entry->e_attrs, password)) == NULL) {
 722                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 723                 return_val = 1;
 724                 goto return_result;
 725         }
 726
 727         /* authentication actually failed */
 728         if(slap_passwd_check(op, entry, a, &op->oq_bind.rb_cred,
 729                              &rs->sr_text) != 0) {
 730                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 731                 return_val = 1;
 732                 goto return_result;
 733         }
 734
 735         /* let the front-end send success */
 736         return_val = 0;
 737         goto return_result;
 738
 739  return_result:
 740         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
 741         if(return_val != 0)
 742                 send_ldap_result( op, rs );
 743         if(entry != NULL)
 744                 entry_free(entry);
 745         return return_val;
 746 }
 747
 748 static int ldif_back_search(Operation *op, SlapReply *rs)
 749 {
 750         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 751         enumCookie ck = { NULL, NULL, NULL, 0, 0 };
 752
 753         ck.op = op;
 754         ck.rs = rs;
 755         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 756         rs->sr_err = enum_tree( &ck );
 757         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
 758         send_ldap_result(op, rs);
 759
 760         return rs->sr_err;
 761 }
 762
 763 static int ldif_back_add(Operation *op, SlapReply *rs) {
 764         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 765         Entry * e = op->ora_e;
 766         struct berval dn = e->e_nname;
 767         struct berval leaf_path = BER_BVNULL;
 768         struct stat stats;
 769         int statres;
 770         char textbuf[SLAP_TEXT_BUFLEN];
 771
 772         Debug( LDAP_DEBUG_TRACE, "ldif_back_add: \"%s\"\n", dn.bv_val, 0, 0);
 773         slap_add_opattrs( op, &rs->sr_text, textbuf, sizeof( textbuf ), 1 );
 774
 775         rs->sr_err = entry_schema_check(op, e, NULL, 0,
 776                 &rs->sr_text, textbuf, sizeof( textbuf ) );
 777         if ( rs->sr_err != LDAP_SUCCESS ) goto send_res;
 778
 779         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 780
 781         dn2path(&dn, &op->o_bd->be_nsuffix[0], &ni->li_base_path, &leaf_path);
 782
 783         if(leaf_path.bv_val != NULL) {
 784                 struct berval base = BER_BVNULL;
 785                 /* build path to container and ldif of container */
 786                 get_parent_path(&leaf_path, &base);
 787
 788                 statres = stat(base.bv_val, &stats); /* check if container exists */
 789                 if(statres == -1 && errno == ENOENT) { /* container missing */
 790                         base.bv_val[base.bv_len] = '.';
 791                         statres = stat(base.bv_val, &stats); /* check for leaf node */
 792                         base.bv_val[base.bv_len] = '\0';
 793                         if(statres == -1 && errno == ENOENT) {
 794                                 rs->sr_err = LDAP_NO_SUCH_OBJECT; /* parent doesn't exist */
 795                                 rs->sr_text = "Parent does not exist";
 796                         }
 797                         else if(statres != -1) { /* create parent */
 798                                 int mkdirres = mkdir(base.bv_val, 0750);
 799                                 if(mkdirres == -1) {
 800                                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 801                                         rs->sr_text = "Could not create parent folder";
 802                                         Debug( LDAP_DEBUG_ANY, "could not create folder \"%s\": %s\n",
 803                                                 base.bv_val, strerror( errno ), 0 );
 804                                 }
 805                         }
 806                         else
 807                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 808                 }/* container was possibly created, move on to add the entry */
 809                 if(rs->sr_err == LDAP_SUCCESS) {
 810                         statres = stat(leaf_path.bv_val, &stats);
 811                         if(statres == -1 && errno == ENOENT) {
 812                                 ldap_pvt_thread_mutex_lock(&entry2str_mutex);
 813                                 rs->sr_err = (int) spew_entry(e, &leaf_path);
 814                                 ldap_pvt_thread_mutex_unlock(&entry2str_mutex);
 815                         }
 816                         else if ( statres == -1 ) {
 817                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 818                                 Debug( LDAP_DEBUG_ANY, "could not stat file \"%s\": %s\n",
 819                                         leaf_path.bv_val, strerror( errno ), 0 );
 820                         }
 821                         else /* it already exists */
 822                                 rs->sr_err = LDAP_ALREADY_EXISTS;
 823                 }
 824                 SLAP_FREE(base.bv_val);
 825                 SLAP_FREE(leaf_path.bv_val);
 826         }
 827
 828         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
 829
 830 send_res:
 831         Debug( LDAP_DEBUG_TRACE,
 832                         "ldif_back_add: err: %d text: %s\n", rs->sr_err, rs->sr_text, 0);
 833         send_ldap_result(op, rs);
 834         slap_graduate_commit_csn( op );
 835         return 0;
 836 }
 837
 838 static int ldif_back_modify(Operation *op, SlapReply *rs) {
 839         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 840         Modifications * modlst = op->orm_modlist;
 841         struct berval path = BER_BVNULL;
 842         Entry * entry = NULL;
 843         int spew_res;
 844
 845         slap_mods_opattrs( op, &op->orm_modlist, 1 );
 846
 847         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 848         dn2path(&op->o_req_ndn, &op->o_bd->be_nsuffix[0], &ni->li_base_path,
 849                 &path);
 850         entry = (Entry *) get_entry(op, &ni->li_base_path);
 851
 852         if(entry != NULL) {
 853                 rs->sr_err = apply_modify_to_entry(entry, modlst, op, rs);
 854                 if(rs->sr_err == LDAP_SUCCESS) {
 855                         ldap_pvt_thread_mutex_lock(&entry2str_mutex);
 856                         spew_res = spew_entry(entry, &path);
 857                         ldap_pvt_thread_mutex_unlock(&entry2str_mutex);
 858                         if(spew_res == -1) {
 859                                 perror("could not output entry");
 860                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 861                         }
 862                 }
 863         }
 864         else {
 865                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 866         }
 867
 868         if(entry != NULL)
 869                 entry_free(entry);
 870         if(path.bv_val != NULL)
 871                 SLAP_FREE(path.bv_val);
 872         rs->sr_text = NULL;
 873         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
 874         send_ldap_result(op, rs);
 875         slap_graduate_commit_csn( op );
 876         return 0;
 877 }
 878
 879 static int ldif_back_delete(Operation *op, SlapReply *rs) {
 880         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 881         struct berval path = BER_BVNULL;
 882         int res = 0;
 883
 884         if ( BER_BVISEMPTY( &op->o_csn )) {
 885                 struct berval csn;
 886                 char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
 887
 888                 csn.bv_val = csnbuf;
 889                 csn.bv_len = sizeof( csnbuf );
 890                 slap_get_csn( op, &csn, 1 );
 891         }
 892
 893         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 894         dn2path(&op->o_req_ndn, &op->o_bd->be_nsuffix[0], &ni->li_base_path, &path);
 895
 896         path.bv_val[path.bv_len - STRLENOF(LDIF)] = '\0';
 897         res = rmdir(path.bv_val);
 898         path.bv_val[path.bv_len - STRLENOF(LDIF)] = '.';
 899         if ( res && errno != ENOENT ) {
 900                 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 901         } else {
 902                 res = unlink(path.bv_val);
 903         }
 904
 905         if(res == -1) {
 906                 if(errno == ENOENT)
 907                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 908                 else
 909                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 910         }
 911         else
 912                 rs->sr_err = LDAP_SUCCESS;
 913
 914         SLAP_FREE(path.bv_val);
 915         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
 916         send_ldap_result(op, rs);
 917         slap_graduate_commit_csn( op );
 918         return 0;
 919 }
 920
 921
 922 static int move_entry(Entry * entry, struct berval * ndn,
 923                            struct berval * newndn, struct berval * rootdn,
 924                            struct berval * base_path) {
 925         int res;
 926         int exists_res;
 927         struct berval path;
 928         struct berval newpath;
 929
 930         dn2path(ndn, rootdn, base_path, &path);
 931         dn2path(newndn, rootdn, base_path, &newpath);
 932
 933         if((entry == NULL || path.bv_val == NULL) || newpath.bv_val == NULL) {
 934                 /* some object doesn't exist */
 935                 res = LDAP_NO_SUCH_OBJECT;
 936         }
 937         else { /* do the modrdn */
 938                 exists_res = open(newpath.bv_val, O_RDONLY);
 939                 if(exists_res == -1 && errno == ENOENT) {
 940                         res = spew_entry(entry, &newpath);
 941                         if(res != -1) {
 942                                 /* if this fails we should log something bad */
 943                                 res = unlink(path.bv_val);
 944                                 res = LDAP_SUCCESS;
 945                         }
 946                         else {
 947                                 if(errno == ENOENT)
 948                                         res = LDAP_NO_SUCH_OBJECT;
 949                                 else
 950                                         res = LDAP_UNWILLING_TO_PERFORM;
 951                                 unlink(newpath.bv_val); /* in case file was created */
 952                         }
 953                 }
 954                 else if(exists_res) {
 955                         int close_res = close(exists_res);
 956                         res = LDAP_ALREADY_EXISTS;
 957                         if(close_res == -1) {
 958                         /* log heinous error */
 959                         }
 960                 }
 961                 else {
 962                         res = LDAP_UNWILLING_TO_PERFORM;
 963                 }
 964         }
 965
 966         if(newpath.bv_val != NULL)
 967                 SLAP_FREE(newpath.bv_val);
 968         if(path.bv_val != NULL)
 969                 SLAP_FREE(path.bv_val);
 970         return res;
 971 }
 972
 973 static int ldif_back_modrdn(Operation *op, SlapReply *rs) {
 974         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 975         struct berval new_dn = BER_BVNULL, new_ndn = BER_BVNULL;
 976         struct berval p_dn, bv = BER_BVNULL;
 977         Entry * entry = NULL;
 978         LDAPRDN new_rdn = NULL;
 979         LDAPRDN old_rdn = NULL;
 980         Modifications * mods = NULL;
 981         int res;
 982
 983         ldap_pvt_thread_mutex_lock(&ni->li_mutex);
 984         ldap_pvt_thread_mutex_lock(&entry2str_mutex);
 985         entry = (Entry *) get_entry(op, &ni->li_base_path);
 986
 987         /* build the mods to the entry */
 988         if(entry != NULL) {
 989                 if(ldap_bv2rdn(&op->oq_modrdn.rs_newrdn, &new_rdn,
 990                         (char **)&rs->sr_text, LDAP_DN_FORMAT_LDAP)) {
 991                         rs->sr_err = LDAP_INVALID_DN_SYNTAX;
 992                 }
 993                 else if(op->oq_modrdn.rs_deleteoldrdn &&
 994                         ldap_bv2rdn(&op->o_req_dn, &old_rdn, (char **)&rs->sr_text,
 995                         LDAP_DN_FORMAT_LDAP)) {
 996                         rs->sr_err = LDAP_OTHER;
 997                 }
 998                 else { /* got both rdns successfully, ready to build mods */
 999                         if(slap_modrdn2mods(op, rs, entry, old_rdn, new_rdn, &mods)
1000                                 != LDAP_SUCCESS) {
1001                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1002                         }
1003                         else { /* built mods successfully */
1004
1005                                 /* build new dn, and new ndn for the entry */
1006                                 if(op->oq_modrdn.rs_newSup != NULL) /* new superior */
1007                                         p_dn = *op->oq_modrdn.rs_newSup;
1008                                 else
1009                                         p_dn = slap_empty_bv;
1010                                 dnParent(&entry->e_name, &p_dn);
1011                                 build_new_dn(&new_dn, &p_dn, &op->oq_modrdn.rs_newrdn, NULL);
1012                                 dnNormalize( 0, NULL, NULL, &new_dn, &bv, op->o_tmpmemctx );
1013                                 ber_dupbv( &new_ndn, &bv );
1014                                 entry->e_name = new_dn;
1015                                 entry->e_nname = new_ndn;
1016
1017                                 /* perform the modifications */
1018                                 res = apply_modify_to_entry(entry, mods, op, rs);
1019                                 if(res == LDAP_SUCCESS) {
1020                                         rs->sr_err = move_entry(entry, &op->o_req_ndn,
1021                                                                 &new_ndn,
1022                                                                 &op->o_bd->be_nsuffix[0],
1023                                                                 &ni->li_base_path);
1024                                 }
1025                                 else
1026                                         rs->sr_err = res;
1027                         }
1028                 }
1029         }
1030         else /* entry was null */
1031                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
1032
1033         if(entry != NULL)
1034                 entry_free(entry);
1035         rs->sr_text = "";
1036         ldap_pvt_thread_mutex_unlock(&ni->li_mutex);
1037         ldap_pvt_thread_mutex_unlock(&entry2str_mutex);
1038         send_ldap_result(op, rs);
1039         slap_graduate_commit_csn( op );
1040         return 0;
1041 }
1042
1043 /* return LDAP_SUCCESS IFF we can retrieve the specified entry.
1044  */
1045 int ldif_back_entry_get(
1046         Operation *op,
1047         struct berval *ndn,
1048         ObjectClass *oc,
1049         AttributeDescription *at,
1050         int rw,
1051         Entry **ent )
1052 {
1053         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
1054
1055         ldap_pvt_thread_mutex_lock( &ni->li_mutex );
1056
1057         *ent = (Entry *) get_entry( op, &ni->li_base_path );
1058
1059         ldap_pvt_thread_mutex_unlock( &ni->li_mutex );
1060
1061         return ( *ent == NULL ? 1 : 0 );
1062 }
1063
1064 static int ldif_tool_entry_open(BackendDB * be, int mode) {
1065         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1066         ni->li_tool_current = 0;
1067         return 0;
1068 }
1069
1070 static int ldif_tool_entry_close(BackendDB * be) {
1071         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1072
1073         SLAP_FREE(ni->li_tool_cookie.entries);
1074         return 0;
1075 }
1076
1077 static ID
1078 ldif_tool_entry_first(BackendDB *be)
1079 {
1080         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1081         ID id = 1; /* first entry in the array of entries shifted by one */
1082
1083         ni->li_tool_current = 1;
1084         if(ni->li_tool_cookie.entries == NULL) {
1085                 Operation op = {0};
1086
1087                 op.o_bd = be;
1088                 op.o_req_dn = *be->be_suffix;
1089                 op.o_req_ndn = *be->be_nsuffix;
1090                 op.ors_scope = LDAP_SCOPE_SUBTREE;
1091                 ni->li_tool_cookie.op = &op;
1092                 (void)enum_tree( &ni->li_tool_cookie );
1093                 ni->li_tool_cookie.op = NULL;
1094         }
1095         return id;
1096 }
1097
1098 static ID ldif_tool_entry_next(BackendDB *be)
1099 {
1100         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1101         ni->li_tool_current += 1;
1102         if(ni->li_tool_current > ni->li_tool_cookie.eind)
1103                 return NOID;
1104         else
1105                 return ni->li_tool_current;
1106 }
1107
1108 static Entry * ldif_tool_entry_get(BackendDB * be, ID id) {
1109         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1110         Entry * e;
1111
1112         if(id > ni->li_tool_cookie.eind || id < 1)
1113                 return NULL;
1114         else {
1115                 e = ni->li_tool_cookie.entries[id - 1];
1116                 ni->li_tool_cookie.entries[id - 1] = NULL;
1117                 return e;
1118         }
1119 }
1120
1121 static ID ldif_tool_entry_put(BackendDB * be, Entry * e, struct berval *text) {
1122         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1123         struct berval dn = e->e_nname;
1124         struct berval leaf_path = BER_BVNULL;
1125         struct stat stats;
1126         int statres;
1127         int res = LDAP_SUCCESS;
1128
1129         dn2path(&dn, &be->be_nsuffix[0], &ni->li_base_path, &leaf_path);
1130
1131         if(leaf_path.bv_val != NULL) {
1132                 struct berval base = BER_BVNULL;
1133                 /* build path to container, and path to ldif of container */
1134                 get_parent_path(&leaf_path, &base);
1135
1136                 statres = stat(base.bv_val, &stats); /* check if container exists */
1137                 if(statres == -1 && errno == ENOENT) { /* container missing */
1138                         base.bv_val[base.bv_len] = '.';
1139                         statres = stat(base.bv_val, &stats); /* check for leaf node */
1140                         base.bv_val[base.bv_len] = '\0';
1141                         if(statres == -1 && errno == ENOENT) {
1142                                 res = LDAP_NO_SUCH_OBJECT; /* parent doesn't exist */
1143                         }
1144                         else if(statres != -1) { /* create parent */
1145                                 int mkdirres = mkdir(base.bv_val, 0750);
1146                                 if(mkdirres == -1) {
1147                                         res = LDAP_UNWILLING_TO_PERFORM;
1148                                 }
1149                         }
1150                         else
1151                                 res = LDAP_UNWILLING_TO_PERFORM;
1152                 }/* container was possibly created, move on to add the entry */
1153                 if(res == LDAP_SUCCESS) {
1154                         statres = stat(leaf_path.bv_val, &stats);
1155                         if(statres == -1 && errno == ENOENT) {
1156                                 res = (int) spew_entry(e, &leaf_path);
1157                         }
1158                         else /* it already exists */
1159                                 res = LDAP_ALREADY_EXISTS;
1160                 }
1161                 SLAP_FREE(base.bv_val);
1162                 SLAP_FREE(leaf_path.bv_val);
1163         }
1164
1165         if(res == LDAP_SUCCESS) {
1166                 return 1;
1167         }
1168         else
1169                 return NOID;
1170 }
1171
1172 static int
1173 ldif_back_db_init( BackendDB *be )
1174 {
1175         struct ldif_info *ni;
1176
1177         ni = ch_calloc( 1, sizeof(struct ldif_info) );
1178         be->be_private = ni;
1179         be->be_cf_ocs = ldifocs;
1180         ldap_pvt_thread_mutex_init(&ni->li_mutex);
1181         return 0;
1182 }
1183
1184 static int
1185 ldif_back_db_destroy(
1186                            Backend      *be
1187                            )
1188 {
1189         struct ldif_info *ni = be->be_private;
1190
1191         ch_free(ni->li_base_path.bv_val);
1192         ldap_pvt_thread_mutex_destroy(&ni->li_mutex);
1193         free( be->be_private );
1194         return 0;
1195 }
1196
1197 static int
1198 ldif_back_db_open(
1199                         Backend *be
1200                         )
1201 {
1202         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1203         if( BER_BVISEMPTY(&ni->li_base_path)) {/* missing base path */
1204                 fprintf(stderr, "missing base path for back-ldif\n");
1205                 return 1;
1206         }
1207         return 0;
1208 }
1209
1210 int
1211 ldif_back_initialize(
1212                            BackendInfo  *bi
1213                            )
1214 {
1215         static char *controls[] = {
1216                 LDAP_CONTROL_MANAGEDSAIT,
1217                 NULL
1218         };
1219         int rc;
1220
1221         bi->bi_flags |=
1222                 SLAP_BFLAG_INCREMENT |
1223                 SLAP_BFLAG_REFERRALS;
1224
1225         bi->bi_controls = controls;
1226
1227         bi->bi_open = 0;
1228         bi->bi_close = 0;
1229         bi->bi_config = 0;
1230         bi->bi_destroy = 0;
1231
1232         bi->bi_db_init = ldif_back_db_init;
1233         bi->bi_db_config = config_generic_wrapper;
1234         bi->bi_db_open = ldif_back_db_open;
1235         bi->bi_db_close = 0;
1236         bi->bi_db_destroy = ldif_back_db_destroy;
1237
1238         bi->bi_op_bind = ldif_back_bind;
1239         bi->bi_op_unbind = 0;
1240         bi->bi_op_search = ldif_back_search;
1241         bi->bi_op_compare = 0;
1242         bi->bi_op_modify = ldif_back_modify;
1243         bi->bi_op_modrdn = ldif_back_modrdn;
1244         bi->bi_op_add = ldif_back_add;
1245         bi->bi_op_delete = ldif_back_delete;
1246         bi->bi_op_abandon = 0;
1247
1248         bi->bi_extended = 0;
1249
1250         bi->bi_chk_referrals = ldif_back_referrals;
1251
1252         bi->bi_connection_init = 0;
1253         bi->bi_connection_destroy = 0;
1254
1255         bi->bi_entry_get_rw = ldif_back_entry_get;
1256
1257 #if 0   /* NOTE: uncomment to completely disable access control */
1258 #ifdef SLAP_OVERLAY_ACCESS
1259         bi->bi_access_allowed = slap_access_always_allowed;
1260 #endif /* SLAP_OVERLAY_ACCESS */
1261 #endif
1262
1263         bi->bi_tool_entry_open = ldif_tool_entry_open;
1264         bi->bi_tool_entry_close = ldif_tool_entry_close;
1265         bi->bi_tool_entry_first = ldif_tool_entry_first;
1266         bi->bi_tool_entry_next = ldif_tool_entry_next;
1267         bi->bi_tool_entry_get = ldif_tool_entry_get;
1268         bi->bi_tool_entry_put = ldif_tool_entry_put;
1269         bi->bi_tool_entry_reindex = 0;
1270         bi->bi_tool_sync = 0;
1271
1272         bi->bi_tool_dn2id_get = 0;
1273         bi->bi_tool_id2entry_get = 0;
1274         bi->bi_tool_entry_modify = 0;
1275
1276         bi->bi_cf_ocs = ldifocs;
1277
1278         rc = config_register_schema( ldifcfg, ldifocs );
1279         if ( rc ) return rc;
1280         return 0;
1281 }