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