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