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 2005-2007 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_rdwr_t  li_rdwr;
  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 * orig_dn, struct berval * suffixdn, struct berval * base_path,
  86         struct berval *res)
  87 {
  88         char *ptr, *sep, *end;
  89         int nsep = 0;
  90         struct berval dn;
  91
  92         assert( orig_dn != NULL );
  93         assert( !BER_BVISNULL( orig_dn ) );
  94         assert( suffixdn != NULL );
  95         assert( !BER_BVISNULL( suffixdn ) );
  96         assert( dnIsSuffix( orig_dn, suffixdn ) );
  97
  98         dn = *orig_dn;
  99
 100         /* escape dirsep's
 101          * use "\" + hexpair, so the escaped DN remains formally valid */
 102         for ( ptr = dn.bv_val, end = &dn.bv_val[dn.bv_len]; ptr < end; ptr++ ) {
 103                 if ( ptr[0] == LDAP_DIRSEP[0] ) {
 104                         nsep++;
 105                 }
 106         }
 107
 108         if ( nsep ) {
 109                 char    *p;
 110
 111                 dn.bv_len += 2*nsep;
 112                 dn.bv_val = ch_malloc( dn.bv_len + 1 );
 113
 114                 for ( ptr = orig_dn->bv_val, end = &orig_dn->bv_val[orig_dn->bv_len], p = dn.bv_val;
 115                         ptr < end; ptr++, p++)
 116                 {
 117                         static const char hex[] = "0123456789ABCDEF";
 118                         if ( ptr[0] == LDAP_DIRSEP[0] ) {
 119                                 *p++ = '\\';
 120                                 *p++ = hex[(LDAP_DIRSEP[0] & 0xF0U) >> 4];
 121                                 *p = hex[LDAP_DIRSEP[0] & 0x0FU];
 122                         } else {
 123                                 p[0] = ptr[0];
 124                         }
 125                 }
 126                 p[0] = '\0';
 127         }
 128
 129         res->bv_len = dn.bv_len + base_path->bv_len + 1 + STRLENOF( LDIF );
 130         res->bv_val = ch_malloc( res->bv_len + 1 );
 131         ptr = lutil_strcopy( res->bv_val, base_path->bv_val );
 132         *ptr++ = LDAP_DIRSEP[0];
 133         ptr = lutil_strcopy( ptr, suffixdn->bv_val );
 134         end = dn.bv_val + dn.bv_len - suffixdn->bv_len - 1;
 135         while ( end > dn.bv_val ) {
 136                 for (sep = end-1; sep >= dn.bv_val && !DN_SEPARATOR( *sep ); sep--);
 137                 *ptr++ = LDAP_DIRSEP[0];
 138                 ptr = lutil_strncopy( ptr, sep+1, end-sep-1 );
 139                 end = sep;
 140         }
 141         strcpy(ptr, LDIF);
 142 #if IX_FSL != IX_DNL
 143         {
 144                 struct berval bv;
 145                 bv = *res;
 146                 while ( ptr = ber_bvchr( &bv, IX_DNL ) ) {
 147                         *ptr++ = IX_FSL;
 148                         assert( ( ptr - bv.bv_val ) <= bv.bv_len );
 149                         bv.bv_len -= ( ptr - bv.bv_val );
 150                         bv.bv_val = ptr;
 151                         ptr = ber_bvchr( &bv, IX_DNR );
 152                         if ( !ptr )
 153                                 break;
 154                         *ptr++ = IX_FSR;
 155                         assert( ( ptr - bv.bv_val ) <= bv.bv_len );
 156                         bv.bv_len -= ( ptr - bv.bv_val );
 157                         bv.bv_val = ptr;
 158                 }
 159         }
 160 #endif
 161         if ( dn.bv_val != orig_dn->bv_val ) {
 162                 ch_free( dn.bv_val );
 163         }
 164 }
 165
 166 static char * slurp_file(int fd) {
 167         int read_chars_total = 0;
 168         int read_chars = 0;
 169         int entry_size;
 170         char * entry;
 171         char * entry_pos;
 172         struct stat st;
 173
 174         fstat(fd, &st);
 175         entry_size = st.st_size;
 176         entry = ch_malloc( entry_size+1 );
 177         entry_pos = entry;
 178
 179         while(1) {
 180                 read_chars = read(fd, (void *) entry_pos, entry_size - read_chars_total);
 181                 if(read_chars == -1) {
 182                         SLAP_FREE(entry);
 183                         return NULL;
 184                 }
 185                 if(read_chars == 0) {
 186                         entry[read_chars_total] = '\0';
 187                         break;
 188                 }
 189                 else {
 190                         read_chars_total += read_chars;
 191                         entry_pos += read_chars;
 192                 }
 193         }
 194         return entry;
 195 }
 196
 197 /*
 198  * return number of bytes written, or -1 in case of error
 199  * do not return numbers less than -1
 200  */
 201 static int spew_file(int fd, char * spew, int len) {
 202         int writeres = 0;
 203
 204         while(len > 0) {
 205                 writeres = write(fd, spew, len);
 206                 if(writeres == -1) {
 207                         return -1;
 208                 }
 209                 else {
 210                         spew += writeres;
 211                         len -= writeres;
 212                 }
 213         }
 214         return writeres;
 215 }
 216
 217 static int
 218 spew_entry( Entry * e, struct berval * path, int dolock, int *save_errnop )
 219 {
 220         int rs, save_errno = 0;
 221         int openres;
 222         int res, spew_res;
 223         int entry_length;
 224         char * entry_as_string;
 225         char *tmpfname = NULL;
 226
 227         tmpfname = ch_malloc( path->bv_len + STRLENOF( "XXXXXX" ) + 1 );
 228         AC_MEMCPY( tmpfname, path->bv_val, path->bv_len );
 229         AC_MEMCPY( &tmpfname[ path->bv_len ], "XXXXXX", STRLENOF( "XXXXXX" ) + 1 );
 230
 231         openres = mkstemp( tmpfname );
 232         if ( openres == -1 ) {
 233                 save_errno = errno;
 234                 rs = LDAP_UNWILLING_TO_PERFORM;
 235                 Debug( LDAP_DEBUG_ANY, "could not create tmpfile \"%s\": %s\n",
 236                         tmpfname, STRERROR( save_errno ), 0 );
 237
 238         } else {
 239                 struct berval rdn;
 240                 int tmp;
 241
 242                 /* Only save the RDN onto disk */
 243                 dnRdn( &e->e_name, &rdn );
 244                 if ( rdn.bv_len != e->e_name.bv_len ) {
 245                         e->e_name.bv_val[rdn.bv_len] = '\0';
 246                         tmp = e->e_name.bv_len;
 247                         e->e_name.bv_len = rdn.bv_len;
 248                         rdn.bv_len = tmp;
 249                 }
 250
 251                 spew_res = -2;
 252                 if ( dolock ) {
 253                         ldap_pvt_thread_mutex_lock(&entry2str_mutex);
 254                 }
 255
 256                 entry_as_string = entry2str(e, &entry_length);
 257                 if ( entry_as_string != NULL ) {
 258                         spew_res = spew_file( openres,
 259                                 entry_as_string, entry_length );
 260                         if ( spew_res == -1 ) {
 261                                 save_errno = errno;
 262                         }
 263                 }
 264
 265                 if ( dolock ) {
 266                         ldap_pvt_thread_mutex_unlock(&entry2str_mutex);
 267                 }
 268
 269                 /* Restore full DN */
 270                 if ( rdn.bv_len != e->e_name.bv_len ) {
 271                         e->e_name.bv_val[e->e_name.bv_len] = ',';
 272                         e->e_name.bv_len = rdn.bv_len;
 273                 }
 274
 275                 res = close( openres );
 276                 rs = LDAP_UNWILLING_TO_PERFORM;
 277
 278                 if ( spew_res > -2 ) {
 279                         if ( res == -1 || spew_res == -1 ) {
 280                                 if ( save_errno == 0 ) {
 281                                         save_errno = errno;
 282                                 }
 283                                 Debug( LDAP_DEBUG_ANY, "write error to tmpfile \"%s\": %s\n",
 284                                         tmpfname, STRERROR( save_errno ), 0 );
 285
 286                         } else {
 287                                 res = rename( tmpfname, path->bv_val );
 288                                 if ( res == 0 ) {
 289                                         rs = LDAP_SUCCESS;
 290
 291                                 } else {
 292                                         save_errno = errno;
 293                                         switch ( save_errno ) {
 294                                         case ENOENT:
 295                                                 rs = LDAP_NO_SUCH_OBJECT;
 296                                                 break;
 297
 298                                         default:
 299                                                 break;
 300                                         }
 301                                 }
 302                         }
 303                 }
 304
 305                 if ( rs != LDAP_SUCCESS ) {
 306                         unlink( tmpfname );
 307                 }
 308         }
 309
 310         ch_free( tmpfname );
 311
 312         if ( rs != LDAP_SUCCESS && save_errnop != NULL ) {
 313                 *save_errnop = save_errno;
 314         }
 315
 316         return rs;
 317 }
 318
 319 static Entry * get_entry_for_fd(int fd,
 320         struct berval *pdn,
 321         struct berval *pndn)
 322 {
 323         char * entry = (char *) slurp_file(fd);
 324         Entry * ldentry = NULL;
 325
 326         /* error reading file */
 327         if(entry == NULL) {
 328                 goto return_value;
 329         }
 330
 331         ldentry = str2entry(entry);
 332         if ( ldentry ) {
 333                 struct berval rdn;
 334                 rdn = ldentry->e_name;
 335                 build_new_dn( &ldentry->e_name, pdn, &rdn, NULL );
 336                 ch_free( rdn.bv_val );
 337                 rdn = ldentry->e_nname;
 338                 build_new_dn( &ldentry->e_nname, pndn, &rdn, NULL );
 339                 ch_free( rdn.bv_val );
 340         }
 341
 342  return_value:
 343         if(fd != -1) {
 344                 if(close(fd) != 0) {
 345                         /* log error */
 346                 }
 347         }
 348         if(entry != NULL)
 349                 SLAP_FREE(entry);
 350         return ldentry;
 351 }
 352
 353 static Entry * get_entry(Operation *op, struct berval *base_path) {
 354         struct berval path, pdn, pndn;
 355         int fd;
 356
 357         dnParent(&op->o_req_dn, &pdn);
 358         dnParent(&op->o_req_ndn, &pndn);
 359         dn2path(&op->o_req_ndn, op->o_bd->be_nsuffix, base_path, &path);
 360         fd = open(path.bv_val, O_RDONLY);
 361         /* error opening file (mebbe should log error) */
 362         if ( fd == -1 && ( errno != ENOENT || op->o_tag != LDAP_REQ_ADD ) ) {
 363                 Debug( LDAP_DEBUG_ANY, "failed to open file \"%s\": %s\n",
 364                         path.bv_val, STRERROR(errno), 0 );
 365         }
 366
 367         if(path.bv_val != NULL)
 368                 SLAP_FREE(path.bv_val);
 369
 370         if ( fd != -1 ) {
 371                 return get_entry_for_fd(fd, &pdn, &pndn);
 372         }
 373
 374         return NULL;
 375 }
 376
 377 static void fullpath(struct berval *base, struct berval *name, struct berval *res) {
 378         char *ptr;
 379         res->bv_len = name->bv_len + base->bv_len + 1;
 380         res->bv_val = ch_malloc( res->bv_len + 1 );
 381         strcpy(res->bv_val, base->bv_val);
 382         ptr = res->bv_val + base->bv_len;
 383         *ptr++ = LDAP_DIRSEP[0];
 384         strcpy(ptr, name->bv_val);
 385 }
 386
 387 typedef struct bvlist {
 388         struct bvlist *next;
 389         struct berval bv;
 390         struct berval num;
 391         int inum;
 392         int off;
 393 } bvlist;
 394
 395
 396 static int r_enum_tree(enumCookie *ck, struct berval *path,
 397         struct berval *pdn, struct berval *pndn)
 398 {
 399         Entry *e;
 400         int fd, rc = LDAP_SUCCESS;
 401
 402         fd = open( path->bv_val, O_RDONLY );
 403         if ( fd < 0 ) {
 404                 Debug( LDAP_DEBUG_TRACE,
 405                         "=> ldif_enum_tree: failed to open %s: %s\n",
 406                         path->bv_val, STRERROR(errno), 0 );
 407                 return LDAP_NO_SUCH_OBJECT;
 408         }
 409
 410         e = get_entry_for_fd(fd, pdn, pndn);
 411         if ( !e ) {
 412                 Debug( LDAP_DEBUG_ANY,
 413                         "=> ldif_enum_tree: failed to read entry for %s\n",
 414                         path->bv_val, 0, 0 );
 415                 return LDAP_BUSY;
 416         }
 417
 418         if ( ck->op->ors_scope == LDAP_SCOPE_BASE ||
 419                 ck->op->ors_scope == LDAP_SCOPE_SUBTREE ) {
 420                 /* Send right away? */
 421                 if ( ck->rs ) {
 422                         /*
 423                          * if it's a referral, add it to the list of referrals. only do
 424                          * this for non-base searches, and don't check the filter
 425                          * explicitly here since it's only a candidate anyway.
 426                          */
 427                         if ( !get_manageDSAit( ck->op )
 428                                         && ck->op->ors_scope != LDAP_SCOPE_BASE
 429                                         && is_entry_referral( e ) )
 430                         {
 431                                 BerVarray erefs = get_entry_referrals( ck->op, e );
 432                                 ck->rs->sr_ref = referral_rewrite( erefs,
 433                                                 &e->e_name, NULL,
 434                                                 ck->op->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL
 435                                                         ? LDAP_SCOPE_BASE : LDAP_SCOPE_SUBTREE );
 436
 437                                 ck->rs->sr_entry = e;
 438                                 rc = send_search_reference( ck->op, ck->rs );
 439                                 ber_bvarray_free( ck->rs->sr_ref );
 440                                 ber_bvarray_free( erefs );
 441                                 ck->rs->sr_ref = NULL;
 442                                 ck->rs->sr_entry = NULL;
 443
 444                         } else if ( test_filter( ck->op, e, ck->op->ors_filter ) == LDAP_COMPARE_TRUE )
 445                         {
 446                                 ck->rs->sr_entry = e;
 447                                 ck->rs->sr_attrs = ck->op->ors_attrs;
 448                                 ck->rs->sr_flags = REP_ENTRY_MODIFIABLE;
 449                                 rc = send_search_entry(ck->op, ck->rs);
 450                                 ck->rs->sr_entry = NULL;
 451                         }
 452                         fd = 1;
 453                         if ( rc )
 454                                 goto done;
 455                 } else {
 456                 /* Queueing up for tool mode */
 457                         if(ck->entries == NULL) {
 458                                 ck->entries = (Entry **) ch_malloc(sizeof(Entry *) * ENTRY_BUFF_INCREMENT);
 459                                 ck->elen = ENTRY_BUFF_INCREMENT;
 460                         }
 461                         if(ck->eind >= ck->elen) { /* grow entries if necessary */
 462                                 ck->entries = (Entry **) ch_realloc(ck->entries, sizeof(Entry *) * (ck->elen) * 2);
 463                                 ck->elen *= 2;
 464                         }
 465
 466                         ck->entries[ck->eind++] = e;
 467                         fd = 0;
 468                 }
 469         } else {
 470                 fd = 1;
 471         }
 472
 473         if ( ck->op->ors_scope != LDAP_SCOPE_BASE ) {
 474                 DIR * dir_of_path;
 475                 bvlist *list = NULL, *ptr;
 476
 477                 path->bv_len -= STRLENOF( LDIF );
 478                 path->bv_val[path->bv_len] = '\0';
 479
 480                 dir_of_path = opendir(path->bv_val);
 481                 if(dir_of_path == NULL) { /* can't open directory */
 482                         if ( errno != ENOENT ) {
 483                                 /* it shouldn't be treated as an error
 484                                  * only if the directory doesn't exist */
 485                                 rc = LDAP_BUSY;
 486                                 Debug( LDAP_DEBUG_ANY,
 487                                         "=> ldif_enum_tree: failed to opendir %s (%d)\n",
 488                                         path->bv_val, errno, 0 );
 489                         }
 490                         goto done;
 491                 }
 492
 493                 while(1) {
 494                         struct berval fname, itmp;
 495                         struct dirent * dir;
 496                         bvlist *bvl, **prev;
 497
 498                         dir = readdir(dir_of_path);
 499                         if(dir == NULL) break; /* end of the directory */
 500                         fname.bv_len = strlen( dir->d_name );
 501                         if ( fname.bv_len <= STRLENOF( LDIF ))
 502                                 continue;
 503                         if ( strcmp( dir->d_name + (fname.bv_len - STRLENOF(LDIF)), LDIF))
 504                                 continue;
 505                         fname.bv_val = dir->d_name;
 506
 507                         bvl = ch_malloc( sizeof(bvlist) );
 508                         ber_dupbv( &bvl->bv, &fname );
 509                         BER_BVZERO( &bvl->num );
 510                         itmp.bv_val = ber_bvchr( &bvl->bv, IX_FSL );
 511                         if ( itmp.bv_val ) {
 512                                 char *ptr;
 513                                 itmp.bv_val++;
 514                                 itmp.bv_len = bvl->bv.bv_len
 515                                         - ( itmp.bv_val - bvl->bv.bv_val );
 516                                 ptr = ber_bvchr( &itmp, IX_FSR );
 517                                 if ( ptr ) {
 518                                         itmp.bv_len = ptr - itmp.bv_val;
 519                                         ber_dupbv( &bvl->num, &itmp );
 520                                         bvl->inum = strtol( itmp.bv_val, NULL, 0 );
 521                                         itmp.bv_val[0] = '\0';
 522                                         bvl->off = itmp.bv_val - bvl->bv.bv_val;
 523                                 }
 524                         }
 525
 526                         for (prev = &list; (ptr = *prev) != NULL; prev = &ptr->next) {
 527                                 int cmp = strcmp( bvl->bv.bv_val, ptr->bv.bv_val );
 528                                 if ( !cmp && bvl->num.bv_val )
 529                                         cmp = bvl->inum - ptr->inum;
 530                                 if ( cmp < 0 )
 531                                         break;
 532                         }
 533                         *prev = bvl;
 534                         bvl->next = ptr;
 535
 536                 }
 537                 closedir(dir_of_path);
 538
 539                 if (ck->op->ors_scope == LDAP_SCOPE_ONELEVEL)
 540                         ck->op->ors_scope = LDAP_SCOPE_BASE;
 541                 else if ( ck->op->ors_scope == LDAP_SCOPE_SUBORDINATE)
 542                         ck->op->ors_scope = LDAP_SCOPE_SUBTREE;
 543
 544                 while ( ( ptr = list ) ) {
 545                         struct berval fpath;
 546
 547                         list = ptr->next;
 548
 549                         if ( rc == LDAP_SUCCESS ) {
 550                                 if ( ptr->num.bv_val )
 551                                         AC_MEMCPY( ptr->bv.bv_val + ptr->off, ptr->num.bv_val,
 552                                                 ptr->num.bv_len );
 553                                 fullpath( path, &ptr->bv, &fpath );
 554                                 rc = r_enum_tree(ck, &fpath, &e->e_name, &e->e_nname );
 555                                 free(fpath.bv_val);
 556                         }
 557                         if ( ptr->num.bv_val )
 558                                 free( ptr->num.bv_val );
 559                         free(ptr->bv.bv_val);
 560                         free(ptr);
 561                 }
 562         }
 563 done:
 564         if ( fd ) entry_free( e );
 565         return rc;
 566 }
 567
 568 static int
 569 enum_tree(
 570         enumCookie *ck
 571 )
 572 {
 573         struct ldif_info *li = (struct ldif_info *) ck->op->o_bd->be_private;
 574         struct berval path;
 575         struct berval pdn, pndn;
 576         int rc;
 577
 578         dnParent( &ck->op->o_req_dn, &pdn );
 579         dnParent( &ck->op->o_req_ndn, &pndn );
 580         dn2path( &ck->op->o_req_ndn, &ck->op->o_bd->be_nsuffix[0], &li->li_base_path, &path);
 581         rc = r_enum_tree(ck, &path, &pdn, &pndn);
 582         ch_free( path.bv_val );
 583         return rc;
 584 }
 585
 586 /* Get the parent path plus the LDIF suffix */
 587 static void get_parent_path(struct berval * dnpath, struct berval *res) {
 588         int dnpathlen = dnpath->bv_len;
 589         int i;
 590
 591         for(i = dnpathlen;i>0;i--) /* find the first path seperator */
 592                 if(dnpath->bv_val[i] == LDAP_DIRSEP[0])
 593                         break;
 594         res->bv_len = i;
 595         res->bv_val = ch_malloc( res->bv_len + 1 + STRLENOF(LDIF) );
 596         strncpy(res->bv_val, dnpath->bv_val, i);
 597         strcpy(res->bv_val+i, LDIF);
 598         res->bv_val[i] = '\0';
 599 }
 600
 601 static int apply_modify_to_entry(Entry * entry,
 602                                 Modifications * modlist,
 603                                 Operation * op,
 604                                 SlapReply * rs)
 605 {
 606         char textbuf[SLAP_TEXT_BUFLEN];
 607         int rc = modlist ? LDAP_UNWILLING_TO_PERFORM : LDAP_SUCCESS;
 608         int is_oc = 0;
 609         Modification *mods = NULL;
 610
 611         if (!acl_check_modlist(op, entry, modlist)) {
 612                 return LDAP_INSUFFICIENT_ACCESS;
 613         }
 614
 615         for (; modlist != NULL; modlist = modlist->sml_next) {
 616                 mods = &modlist->sml_mod;
 617
 618                 if ( mods->sm_desc == slap_schema.si_ad_objectClass ) {
 619                         is_oc = 1;
 620                 }
 621                 switch (mods->sm_op) {
 622                 case LDAP_MOD_ADD:
 623                         rc = modify_add_values(entry, mods,
 624                                    get_permissiveModify(op),
 625                                    &rs->sr_text, textbuf,
 626                                    sizeof( textbuf ) );
 627                         break;
 628
 629                 case LDAP_MOD_DELETE:
 630                         rc = modify_delete_values(entry, mods,
 631                                 get_permissiveModify(op),
 632                                 &rs->sr_text, textbuf,
 633                                 sizeof( textbuf ) );
 634                         break;
 635
 636                 case LDAP_MOD_REPLACE:
 637                         rc = modify_replace_values(entry, mods,
 638                                  get_permissiveModify(op),
 639                                  &rs->sr_text, textbuf,
 640                                  sizeof( textbuf ) );
 641                         break;
 642
 643                 case LDAP_MOD_INCREMENT:
 644                         rc = modify_increment_values( entry,
 645                                 mods, get_permissiveModify(op),
 646                                 &rs->sr_text, textbuf,
 647                                 sizeof( textbuf ) );
 648                         break;
 649
 650                         break;
 651
 652                 case SLAP_MOD_SOFTADD:
 653                         mods->sm_op = LDAP_MOD_ADD;
 654                         rc = modify_add_values(entry, mods,
 655                                    get_permissiveModify(op),
 656                                    &rs->sr_text, textbuf,
 657                                    sizeof( textbuf ) );
 658                         mods->sm_op = SLAP_MOD_SOFTADD;
 659                         if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
 660                                 rc = LDAP_SUCCESS;
 661                         }
 662                         break;
 663                 default:
 664                         break;
 665                 }
 666                 if(rc != LDAP_SUCCESS) break;
 667         }
 668
 669         if(rc == LDAP_SUCCESS) {
 670                 if ( is_oc ) {
 671                         entry->e_ocflags = 0;
 672                 }
 673                 /* check that the entry still obeys the schema */
 674                 rc = entry_schema_check( op, entry, NULL, 0, 0,
 675                           &rs->sr_text, textbuf, sizeof( textbuf ) );
 676         }
 677
 678         return rc;
 679 }
 680
 681 int
 682 ldif_back_referrals( Operation *op, SlapReply *rs )
 683 {
 684         struct ldif_info        *li = NULL;
 685         Entry                   *entry;
 686         int                     rc = LDAP_SUCCESS;
 687
 688 #if 0
 689         if ( op->o_tag == LDAP_REQ_SEARCH ) {
 690                 /* let search take care of itself */
 691                 return rc;
 692         }
 693 #endif
 694
 695         if ( get_manageDSAit( op ) ) {
 696                 /* let op take care of DSA management */
 697                 return rc;
 698         }
 699
 700         li = (struct ldif_info *)op->o_bd->be_private;
 701         ldap_pvt_thread_rdwr_rlock( &li->li_rdwr );
 702         entry = get_entry( op, &li->li_base_path );
 703
 704         /* no object is found for them */
 705         if ( entry == NULL ) {
 706                 struct berval   odn = op->o_req_dn;
 707                 struct berval   ondn = op->o_req_ndn;
 708
 709                 struct berval   pndn = op->o_req_ndn;
 710
 711                 for ( ; entry == NULL; ) {
 712                         dnParent( &pndn, &pndn );
 713
 714                         if ( !dnIsSuffix( &pndn, &op->o_bd->be_nsuffix[0] ) ) {
 715                                 break;
 716                         }
 717
 718                         op->o_req_dn = pndn;
 719                         op->o_req_ndn = pndn;
 720
 721                         entry = get_entry( op, &li->li_base_path );
 722                 }
 723
 724                 ldap_pvt_thread_rdwr_runlock( &li->li_rdwr );
 725
 726                 op->o_req_dn = odn;
 727                 op->o_req_ndn = ondn;
 728
 729                 rc = LDAP_SUCCESS;
 730                 rs->sr_matched = NULL;
 731                 if ( entry != NULL ) {
 732                         Debug( LDAP_DEBUG_TRACE,
 733                                 "ldif_back_referrals: tag=%lu target=\"%s\" matched=\"%s\"\n",
 734                                 (unsigned long) op->o_tag, op->o_req_dn.bv_val, entry->e_name.bv_val );
 735
 736                         if ( is_entry_referral( entry ) ) {
 737                                 rc = LDAP_OTHER;
 738                                 rs->sr_ref = get_entry_referrals( op, entry );
 739                                 if ( rs->sr_ref ) {
 740                                         rs->sr_matched = ber_strdup_x(
 741                                         entry->e_name.bv_val, op->o_tmpmemctx );
 742                                 }
 743                         }
 744
 745                         entry_free(entry);
 746
 747                 } else if ( default_referral != NULL ) {
 748                         rc = LDAP_OTHER;
 749                         rs->sr_ref = referral_rewrite( default_referral,
 750                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 751                 }
 752
 753                 if ( rs->sr_ref != NULL ) {
 754                         /* send referrals */
 755                         rc = rs->sr_err = LDAP_REFERRAL;
 756                         send_ldap_result( op, rs );
 757                         ber_bvarray_free( rs->sr_ref );
 758                         rs->sr_ref = NULL;
 759
 760                 } else if ( rc != LDAP_SUCCESS ) {
 761                         rs->sr_err = rc;
 762                         rs->sr_text = rs->sr_matched ? "bad referral object" : NULL;
 763                         send_ldap_result( op, rs );
 764                 }
 765
 766                 if ( rs->sr_matched ) {
 767                         op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
 768                         rs->sr_matched = NULL;
 769                 }
 770
 771                 return rc;
 772         }
 773
 774         ldap_pvt_thread_rdwr_runlock( &li->li_rdwr );
 775
 776         if ( is_entry_referral( entry ) ) {
 777                 /* entry is a referral */
 778                 BerVarray refs = get_entry_referrals( op, entry );
 779                 rs->sr_ref = referral_rewrite(
 780                         refs, &entry->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 781
 782                 Debug( LDAP_DEBUG_TRACE,
 783                         "ldif_back_referrals: tag=%lu target=\"%s\" matched=\"%s\"\n",
 784                         (unsigned long) op->o_tag, op->o_req_dn.bv_val, entry->e_name.bv_val );
 785
 786                 rs->sr_matched = entry->e_name.bv_val;
 787                 if ( rs->sr_ref != NULL ) {
 788                         rc = rs->sr_err = LDAP_REFERRAL;
 789                         send_ldap_result( op, rs );
 790                         ber_bvarray_free( rs->sr_ref );
 791                         rs->sr_ref = NULL;
 792
 793                 } else {
 794                         send_ldap_error( op, rs, LDAP_OTHER, "bad referral object" );
 795                         rc = rs->sr_err;
 796                 }
 797
 798                 rs->sr_matched = NULL;
 799                 ber_bvarray_free( refs );
 800         }
 801
 802         entry_free( entry );
 803
 804         return rc;
 805 }
 806
 807 static int
 808 ldif_back_bind( Operation *op, SlapReply *rs )
 809 {
 810         struct ldif_info *li = NULL;
 811         Attribute * a = NULL;
 812         AttributeDescription *password = slap_schema.si_ad_userPassword;
 813         int return_val = 0;
 814         Entry * entry = NULL;
 815
 816         switch ( be_rootdn_bind( op, rs ) ) {
 817         case SLAP_CB_CONTINUE:
 818                 break;
 819
 820         default:
 821                 /* in case of success, front end will send result;
 822                  * otherwise, be_rootdn_bind() did */
 823                 return rs->sr_err;
 824         }
 825
 826         li = (struct ldif_info *) op->o_bd->be_private;
 827         ldap_pvt_thread_rdwr_rlock(&li->li_rdwr);
 828         entry = get_entry(op, &li->li_base_path);
 829
 830         /* no object is found for them */
 831         if(entry == NULL) {
 832                 rs->sr_err = return_val = LDAP_INVALID_CREDENTIALS;
 833                 goto return_result;
 834         }
 835
 836         /* they don't have userpassword */
 837         if((a = attr_find(entry->e_attrs, password)) == NULL) {
 838                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 839                 return_val = 1;
 840                 goto return_result;
 841         }
 842
 843         /* authentication actually failed */
 844         if(slap_passwd_check(op, entry, a, &op->oq_bind.rb_cred,
 845                              &rs->sr_text) != 0) {
 846                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 847                 return_val = 1;
 848                 goto return_result;
 849         }
 850
 851         /* let the front-end send success */
 852         return_val = 0;
 853         goto return_result;
 854
 855  return_result:
 856         ldap_pvt_thread_rdwr_runlock(&li->li_rdwr);
 857         if(return_val != 0)
 858                 send_ldap_result( op, rs );
 859         if(entry != NULL)
 860                 entry_free(entry);
 861         return return_val;
 862 }
 863
 864 static int ldif_back_search(Operation *op, SlapReply *rs)
 865 {
 866         struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
 867         enumCookie ck = { NULL, NULL, NULL, 0, 0 };
 868
 869         ck.op = op;
 870         ck.rs = rs;
 871         ldap_pvt_thread_rdwr_rlock(&li->li_rdwr);
 872         rs->sr_err = enum_tree( &ck );
 873         ldap_pvt_thread_rdwr_runlock(&li->li_rdwr);
 874         send_ldap_result(op, rs);
 875
 876         return rs->sr_err;
 877 }
 878
 879 static int ldif_back_add(Operation *op, SlapReply *rs) {
 880         struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
 881         Entry * e = op->ora_e;
 882         struct berval dn = e->e_nname;
 883         struct berval leaf_path = BER_BVNULL;
 884         struct stat stats;
 885         int statres;
 886         char textbuf[SLAP_TEXT_BUFLEN];
 887
 888         Debug( LDAP_DEBUG_TRACE, "ldif_back_add: \"%s\"\n", dn.bv_val, 0, 0);
 889
 890         rs->sr_err = entry_schema_check(op, e, NULL, 0, 1,
 891                 &rs->sr_text, textbuf, sizeof( textbuf ) );
 892         if ( rs->sr_err != LDAP_SUCCESS ) goto send_res;
 893
 894         rs->sr_err = slap_add_opattrs( op,
 895                 &rs->sr_text, textbuf, sizeof( textbuf ), 1 );
 896         if ( rs->sr_err != LDAP_SUCCESS ) goto send_res;
 897
 898         ldap_pvt_thread_rdwr_wlock(&li->li_rdwr);
 899
 900         dn2path(&dn, &op->o_bd->be_nsuffix[0], &li->li_base_path, &leaf_path);
 901
 902         if(leaf_path.bv_val != NULL) {
 903                 struct berval base = BER_BVNULL;
 904                 /* build path to container and ldif of container */
 905                 get_parent_path(&leaf_path, &base);
 906
 907                 statres = stat(base.bv_val, &stats); /* check if container exists */
 908                 if(statres == -1 && errno == ENOENT) { /* container missing */
 909                         base.bv_val[base.bv_len] = '.';
 910                         statres = stat(base.bv_val, &stats); /* check for leaf node */
 911                         base.bv_val[base.bv_len] = '\0';
 912                         if(statres == -1 && errno == ENOENT) {
 913                                 rs->sr_err = LDAP_NO_SUCH_OBJECT; /* parent doesn't exist */
 914                                 rs->sr_text = "Parent does not exist";
 915                         }
 916                         else if(statres != -1) { /* create parent */
 917                                 int mkdirres = mkdir(base.bv_val, 0750);
 918                                 if(mkdirres == -1) {
 919                                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 920                                         rs->sr_text = "Could not create parent folder";
 921                                         Debug( LDAP_DEBUG_ANY, "could not create folder \"%s\": %s\n",
 922                                                 base.bv_val, STRERROR( errno ), 0 );
 923                                 }
 924                         }
 925                         else
 926                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 927                 }/* container was possibly created, move on to add the entry */
 928                 if(rs->sr_err == LDAP_SUCCESS) {
 929                         statres = stat(leaf_path.bv_val, &stats);
 930                         if(statres == -1 && errno == ENOENT) {
 931                                 rs->sr_err = spew_entry(e, &leaf_path, 1, NULL);
 932                         }
 933                         else if ( statres == -1 ) {
 934                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 935                                 Debug( LDAP_DEBUG_ANY, "could not stat file \"%s\": %s\n",
 936                                         leaf_path.bv_val, STRERROR( errno ), 0 );
 937                         }
 938                         else /* it already exists */
 939                                 rs->sr_err = LDAP_ALREADY_EXISTS;
 940                 }
 941                 SLAP_FREE(base.bv_val);
 942                 SLAP_FREE(leaf_path.bv_val);
 943         }
 944
 945         ldap_pvt_thread_rdwr_wunlock(&li->li_rdwr);
 946
 947 send_res:
 948         Debug( LDAP_DEBUG_TRACE,
 949                         "ldif_back_add: err: %d text: %s\n", rs->sr_err, rs->sr_text ?
 950                                 rs->sr_text : "", 0);
 951         send_ldap_result(op, rs);
 952         slap_graduate_commit_csn( op );
 953         return rs->sr_err;
 954 }
 955
 956 static int ldif_back_modify(Operation *op, SlapReply *rs) {
 957         struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
 958         Modifications * modlst = op->orm_modlist;
 959         struct berval path = BER_BVNULL;
 960         Entry * entry = NULL;
 961         int spew_res;
 962
 963         slap_mods_opattrs( op, &op->orm_modlist, 1 );
 964
 965         ldap_pvt_thread_rdwr_wlock(&li->li_rdwr);
 966         dn2path(&op->o_req_ndn, &op->o_bd->be_nsuffix[0], &li->li_base_path,
 967                 &path);
 968         entry = get_entry(op, &li->li_base_path);
 969
 970         if(entry != NULL) {
 971                 rs->sr_err = apply_modify_to_entry(entry, modlst, op, rs);
 972                 if(rs->sr_err == LDAP_SUCCESS) {
 973                         int save_errno;
 974                         spew_res = spew_entry(entry, &path, 1, &save_errno);
 975                         if(spew_res == -1) {
 976                                 Debug( LDAP_DEBUG_ANY,
 977                                         "%s ldif_back_modify: could not output entry \"%s\": %s\n",
 978                                         op->o_log_prefix, entry->e_name.bv_val, STRERROR( save_errno ) );
 979                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 980                         }
 981                 }
 982         }
 983         else {
 984                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 985         }
 986
 987         if(entry != NULL)
 988                 entry_free(entry);
 989         if(path.bv_val != NULL)
 990                 SLAP_FREE(path.bv_val);
 991         rs->sr_text = NULL;
 992         ldap_pvt_thread_rdwr_wunlock(&li->li_rdwr);
 993         send_ldap_result(op, rs);
 994         slap_graduate_commit_csn( op );
 995         return rs->sr_err;
 996 }
 997
 998 static int ldif_back_delete(Operation *op, SlapReply *rs) {
 999         struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
1000         struct berval path = BER_BVNULL;
1001         int res = 0;
1002
1003         if ( BER_BVISEMPTY( &op->o_csn )) {
1004                 struct berval csn;
1005                 char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
1006
1007                 csn.bv_val = csnbuf;
1008                 csn.bv_len = sizeof( csnbuf );
1009                 slap_get_csn( op, &csn, 1 );
1010         }
1011
1012         ldap_pvt_thread_rdwr_wlock(&li->li_rdwr);
1013         dn2path(&op->o_req_ndn, &op->o_bd->be_nsuffix[0], &li->li_base_path, &path);
1014
1015         path.bv_val[path.bv_len - STRLENOF(LDIF)] = '\0';
1016         res = rmdir(path.bv_val);
1017         path.bv_val[path.bv_len - STRLENOF(LDIF)] = '.';
1018         rs->sr_err = LDAP_SUCCESS;
1019         if ( res ) {
1020                 switch ( errno ) {
1021                 case ENOTEMPTY:
1022                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
1023                         break;
1024
1025                 case ENOENT:
1026                         /* is leaf, go on */
1027                         res = 0;
1028                         break;
1029
1030                 default:
1031                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1032                         break;
1033                 }
1034         }
1035
1036         if ( !res ) {
1037                 res = unlink(path.bv_val);
1038                 if ( res == -1 ) {
1039                         switch ( errno ) {
1040                         case ENOENT:
1041                                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
1042                                 break;
1043
1044                         default:
1045                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1046                                 break;
1047                         }
1048                 }
1049         }
1050
1051         SLAP_FREE(path.bv_val);
1052         ldap_pvt_thread_rdwr_wunlock(&li->li_rdwr);
1053         send_ldap_result(op, rs);
1054         slap_graduate_commit_csn( op );
1055         return rs->sr_err;
1056 }
1057
1058
1059 static int move_entry(Entry * entry, struct berval * ndn,
1060                            struct berval * newndn, struct berval * suffixdn,
1061                            struct berval * base_path) {
1062         int res;
1063         int exists_res;
1064         struct berval path;
1065         struct berval newpath;
1066
1067         dn2path(ndn, suffixdn, base_path, &path);
1068         dn2path(newndn, suffixdn, base_path, &newpath);
1069
1070         if((entry == NULL || path.bv_val == NULL) || newpath.bv_val == NULL) {
1071                 /* some object doesn't exist */
1072                 res = LDAP_NO_SUCH_OBJECT;
1073         }
1074         else { /* do the modrdn */
1075                 exists_res = open(newpath.bv_val, O_RDONLY);
1076                 if(exists_res == -1 && errno == ENOENT) {
1077                         ldap_pvt_thread_mutex_lock( &entry2str_mutex );
1078                         res = spew_entry(entry, &newpath, 0, NULL);
1079                         if(res != -1) {
1080                                 /* if this fails we should log something bad */
1081                                 res = unlink(path.bv_val);
1082                                 path.bv_val[path.bv_len - STRLENOF(".ldif")] = '\0';
1083                                 newpath.bv_val[newpath.bv_len - STRLENOF(".ldif")] = '\0';
1084                                 res = rename(path.bv_val, newpath.bv_val);
1085                                 res = LDAP_SUCCESS;
1086                         }
1087                         else {
1088                                 if(errno == ENOENT)
1089                                         res = LDAP_NO_SUCH_OBJECT;
1090                                 else
1091                                         res = LDAP_UNWILLING_TO_PERFORM;
1092                                 unlink(newpath.bv_val); /* in case file was created */
1093                         }
1094                         ldap_pvt_thread_mutex_unlock( &entry2str_mutex );
1095                 }
1096                 else if(exists_res) {
1097                         int close_res = close(exists_res);
1098                         res = LDAP_ALREADY_EXISTS;
1099                         if(close_res == -1) {
1100                         /* log heinous error */
1101                         }
1102                 }
1103                 else {
1104                         res = LDAP_UNWILLING_TO_PERFORM;
1105                 }
1106         }
1107
1108         if(newpath.bv_val != NULL)
1109                 SLAP_FREE(newpath.bv_val);
1110         if(path.bv_val != NULL)
1111                 SLAP_FREE(path.bv_val);
1112         return res;
1113 }
1114
1115 static int
1116 ldif_back_modrdn(Operation *op, SlapReply *rs)
1117 {
1118         struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
1119         struct berval new_dn = BER_BVNULL, new_ndn = BER_BVNULL;
1120         struct berval p_dn;
1121         Entry * entry = NULL;
1122         int res;
1123
1124         slap_mods_opattrs( op, &op->orr_modlist, 1 );
1125
1126         ldap_pvt_thread_rdwr_wlock( &li->li_rdwr );
1127         entry = get_entry( op, &li->li_base_path );
1128
1129         /* build the mods to the entry */
1130         if ( entry != NULL ) {
1131                 /* build new dn, and new ndn for the entry */
1132                 if ( op->oq_modrdn.rs_newSup != NULL ) {
1133                         struct berval   op_dn = op->o_req_dn,
1134                                         op_ndn = op->o_req_ndn;
1135                         Entry           *np;
1136
1137                         /* new superior */
1138                         p_dn = *op->oq_modrdn.rs_newSup;
1139                         op->o_req_dn = *op->oq_modrdn.rs_newSup;
1140                         op->o_req_ndn = *op->oq_modrdn.rs_nnewSup;
1141                         np = get_entry( op, &li->li_base_path );
1142                         op->o_req_dn = op_dn;
1143                         op->o_req_ndn = op_ndn;
1144                         if ( np == NULL ) {
1145                                 goto no_such_object;
1146                         }
1147                         entry_free( np );
1148                 } else {
1149                         dnParent( &entry->e_name, &p_dn );
1150                 }
1151                 build_new_dn( &new_dn, &p_dn, &op->oq_modrdn.rs_newrdn, NULL );
1152                 dnNormalize( 0, NULL, NULL, &new_dn, &new_ndn, NULL );
1153                 ber_memfree_x( entry->e_name.bv_val, NULL );
1154                 ber_memfree_x( entry->e_nname.bv_val, NULL );
1155                 entry->e_name = new_dn;
1156                 entry->e_nname = new_ndn;
1157
1158                 /* perform the modifications */
1159                 res = apply_modify_to_entry( entry, op->orr_modlist, op, rs );
1160                 if ( res == LDAP_SUCCESS ) {
1161                         rs->sr_err = move_entry( entry, &op->o_req_ndn,
1162                                                 &new_ndn,
1163                                                 &op->o_bd->be_nsuffix[0],
1164                                                 &li->li_base_path );
1165                 } else {
1166                         rs->sr_err = res;
1167                 }
1168         } else {
1169 no_such_object:;
1170                 /* entry was null */
1171                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
1172         }
1173
1174         if ( entry != NULL ) {
1175                 entry_free( entry );
1176         }
1177         rs->sr_text = "";
1178         ldap_pvt_thread_rdwr_wunlock( &li->li_rdwr );
1179         send_ldap_result( op, rs );
1180         slap_graduate_commit_csn( op );
1181         return rs->sr_err;
1182 }
1183
1184 /* return LDAP_SUCCESS IFF we can retrieve the specified entry.
1185  */
1186 int ldif_back_entry_get(
1187         Operation *op,
1188         struct berval *ndn,
1189         ObjectClass *oc,
1190         AttributeDescription *at,
1191         int rw,
1192         Entry **ent )
1193 {
1194         struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
1195         struct berval op_dn = op->o_req_dn, op_ndn = op->o_req_ndn;
1196
1197         assert( ndn != NULL );
1198         assert( !BER_BVISNULL( ndn ) );
1199
1200         ldap_pvt_thread_rdwr_rlock( &li->li_rdwr );
1201         op->o_req_dn = *ndn;
1202         op->o_req_ndn = *ndn;
1203         *ent = get_entry( op, &li->li_base_path );
1204         op->o_req_dn = op_dn;
1205         op->o_req_ndn = op_ndn;
1206         ldap_pvt_thread_rdwr_runlock( &li->li_rdwr );
1207
1208         if ( *ent && oc && !is_entry_objectclass_or_sub( *ent, oc ) ) {
1209                 entry_free( *ent );
1210                 *ent = NULL;
1211         }
1212
1213         return ( *ent == NULL ? 1 : 0 );
1214 }
1215
1216 static int ldif_tool_entry_open(BackendDB *be, int mode) {
1217         struct ldif_info *li = (struct ldif_info *) be->be_private;
1218         li->li_tool_current = 0;
1219         return 0;
1220 }
1221
1222 static int ldif_tool_entry_close(BackendDB * be) {
1223         struct ldif_info *li = (struct ldif_info *) be->be_private;
1224
1225         SLAP_FREE(li->li_tool_cookie.entries);
1226         return 0;
1227 }
1228
1229 static ID ldif_tool_entry_next(BackendDB *be)
1230 {
1231         struct ldif_info *li = (struct ldif_info *) be->be_private;
1232         if(li->li_tool_current >= li->li_tool_cookie.eind)
1233                 return NOID;
1234         else
1235                 return ++li->li_tool_current;
1236 }
1237
1238 static ID
1239 ldif_tool_entry_first(BackendDB *be)
1240 {
1241         struct ldif_info *li = (struct ldif_info *) be->be_private;
1242
1243         if(li->li_tool_cookie.entries == NULL) {
1244                 Operation op = {0};
1245
1246                 op.o_bd = be;
1247                 op.o_req_dn = *be->be_suffix;
1248                 op.o_req_ndn = *be->be_nsuffix;
1249                 op.ors_scope = LDAP_SCOPE_SUBTREE;
1250                 li->li_tool_cookie.op = &op;
1251                 (void)enum_tree( &li->li_tool_cookie );
1252                 li->li_tool_cookie.op = NULL;
1253         }
1254         return ldif_tool_entry_next( be );
1255 }
1256
1257 static Entry * ldif_tool_entry_get(BackendDB * be, ID id) {
1258         struct ldif_info *li = (struct ldif_info *) be->be_private;
1259         Entry * e;
1260
1261         if(id > li->li_tool_cookie.eind || id < 1)
1262                 return NULL;
1263         else {
1264                 e = li->li_tool_cookie.entries[id - 1];
1265                 li->li_tool_cookie.entries[id - 1] = NULL;
1266                 return e;
1267         }
1268 }
1269
1270 static ID ldif_tool_entry_put(BackendDB * be, Entry * e, struct berval *text) {
1271         struct ldif_info *li = (struct ldif_info *) be->be_private;
1272         struct berval dn = e->e_nname;
1273         struct berval leaf_path = BER_BVNULL;
1274         struct stat stats;
1275         int statres;
1276         int res = LDAP_SUCCESS;
1277
1278         dn2path(&dn, &be->be_nsuffix[0], &li->li_base_path, &leaf_path);
1279
1280         if(leaf_path.bv_val != NULL) {
1281                 struct berval base = BER_BVNULL;
1282                 /* build path to container, and path to ldif of container */
1283                 get_parent_path(&leaf_path, &base);
1284
1285                 statres = stat(base.bv_val, &stats); /* check if container exists */
1286                 if(statres == -1 && errno == ENOENT) { /* container missing */
1287                         base.bv_val[base.bv_len] = '.';
1288                         statres = stat(base.bv_val, &stats); /* check for leaf node */
1289                         base.bv_val[base.bv_len] = '\0';
1290                         if(statres == -1 && errno == ENOENT) {
1291                                 res = LDAP_NO_SUCH_OBJECT; /* parent doesn't exist */
1292                         }
1293                         else if(statres != -1) { /* create parent */
1294                                 int mkdirres = mkdir(base.bv_val, 0750);
1295                                 if(mkdirres == -1) {
1296                                         res = LDAP_UNWILLING_TO_PERFORM;
1297                                 }
1298                         }
1299                         else
1300                                 res = LDAP_UNWILLING_TO_PERFORM;
1301                 }/* container was possibly created, move on to add the entry */
1302                 if(res == LDAP_SUCCESS) {
1303                         statres = stat(leaf_path.bv_val, &stats);
1304                         if(statres == -1 && errno == ENOENT) {
1305                                 res = spew_entry(e, &leaf_path, 0, NULL);
1306                         }
1307                         else /* it already exists */
1308                                 res = LDAP_ALREADY_EXISTS;
1309                 }
1310                 SLAP_FREE(base.bv_val);
1311                 SLAP_FREE(leaf_path.bv_val);
1312         }
1313
1314         if(res == LDAP_SUCCESS) {
1315                 return 1;
1316         }
1317         else
1318                 return NOID;
1319 }
1320
1321 static int
1322 ldif_back_db_init( BackendDB *be, ConfigReply *cr )
1323 {
1324         struct ldif_info *li;
1325
1326         li = ch_calloc( 1, sizeof(struct ldif_info) );
1327         be->be_private = li;
1328         be->be_cf_ocs = ldifocs;
1329         ldap_pvt_thread_rdwr_init(&li->li_rdwr);
1330         return 0;
1331 }
1332
1333 static int
1334 ldif_back_db_destroy( Backend *be, ConfigReply *cr )
1335 {
1336         struct ldif_info *li = be->be_private;
1337
1338         ch_free(li->li_base_path.bv_val);
1339         ldap_pvt_thread_rdwr_destroy(&li->li_rdwr);
1340         free( be->be_private );
1341         return 0;
1342 }
1343
1344 static int
1345 ldif_back_db_open( Backend *be, ConfigReply *cr)
1346 {
1347         struct ldif_info *li = (struct ldif_info *) be->be_private;
1348         if( BER_BVISEMPTY(&li->li_base_path)) {/* missing base path */
1349                 Debug( LDAP_DEBUG_ANY, "missing base path for back-ldif\n", 0, 0, 0);
1350                 return 1;
1351         }
1352         return 0;
1353 }
1354
1355 int
1356 ldif_back_initialize(
1357                            BackendInfo  *bi
1358                            )
1359 {
1360         static char *controls[] = {
1361                 LDAP_CONTROL_MANAGEDSAIT,
1362                 NULL
1363         };
1364         int rc;
1365
1366         bi->bi_flags |=
1367                 SLAP_BFLAG_INCREMENT |
1368                 SLAP_BFLAG_REFERRALS;
1369
1370         bi->bi_controls = controls;
1371
1372         bi->bi_open = 0;
1373         bi->bi_close = 0;
1374         bi->bi_config = 0;
1375         bi->bi_destroy = 0;
1376
1377         bi->bi_db_init = ldif_back_db_init;
1378         bi->bi_db_config = config_generic_wrapper;
1379         bi->bi_db_open = ldif_back_db_open;
1380         bi->bi_db_close = 0;
1381         bi->bi_db_destroy = ldif_back_db_destroy;
1382
1383         bi->bi_op_bind = ldif_back_bind;
1384         bi->bi_op_unbind = 0;
1385         bi->bi_op_search = ldif_back_search;
1386         bi->bi_op_compare = 0;
1387         bi->bi_op_modify = ldif_back_modify;
1388         bi->bi_op_modrdn = ldif_back_modrdn;
1389         bi->bi_op_add = ldif_back_add;
1390         bi->bi_op_delete = ldif_back_delete;
1391         bi->bi_op_abandon = 0;
1392
1393         bi->bi_extended = 0;
1394
1395         bi->bi_chk_referrals = ldif_back_referrals;
1396
1397         bi->bi_connection_init = 0;
1398         bi->bi_connection_destroy = 0;
1399
1400         bi->bi_entry_get_rw = ldif_back_entry_get;
1401
1402 #if 0   /* NOTE: uncomment to completely disable access control */
1403         bi->bi_access_allowed = slap_access_always_allowed;
1404 #endif
1405
1406         bi->bi_tool_entry_open = ldif_tool_entry_open;
1407         bi->bi_tool_entry_close = ldif_tool_entry_close;
1408         bi->bi_tool_entry_first = ldif_tool_entry_first;
1409         bi->bi_tool_entry_next = ldif_tool_entry_next;
1410         bi->bi_tool_entry_get = ldif_tool_entry_get;
1411         bi->bi_tool_entry_put = ldif_tool_entry_put;
1412         bi->bi_tool_entry_reindex = 0;
1413         bi->bi_tool_sync = 0;
1414
1415         bi->bi_tool_dn2id_get = 0;
1416         bi->bi_tool_entry_modify = 0;
1417
1418         bi->bi_cf_ocs = ldifocs;
1419
1420         rc = config_register_schema( ldifcfg, ldifocs );
1421         if ( rc ) return rc;
1422         return 0;
1423 }