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

   1 /* ldif.c - the ldif backend */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2005-2006 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* ACKNOWLEDGEMENTS:
  17  * This work was originally developed by Eric Stokes for inclusion
  18  * in OpenLDAP Software.
  19  */
  20
  21 #include "portable.h"
  22 #include <stdio.h>
  23 #include <ac/string.h>
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #include <ac/dirent.h>
  27 #include <fcntl.h>
  28 #include <ac/errno.h>
  29 #include <ac/unistd.h>
  30 #include "slap.h"
  31 #include "lutil.h"
  32 #include "config.h"
  33
  34 typedef struct enumCookie {
  35         Operation *op;
  36         SlapReply *rs;
  37         Entry **entries;
  38         int elen;
  39         int eind;
  40 } enumCookie;
  41
  42 struct ldif_info {
  43         struct berval li_base_path;
  44         enumCookie li_tool_cookie;
  45         ID li_tool_current;
  46         ldap_pvt_thread_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         ptr = res->bv_val;
 111         while( ptr=strchr(ptr, IX_DNL) ) {
 112                 *ptr++ = IX_FSL;
 113                 ptr = strchr(ptr, IX_DNR);
 114                 if ( ptr )
 115                         *ptr++ = IX_FSR;
 116                 else
 117                         break;
 118         }
 119 #endif
 120 }
 121
 122 static char * slurp_file(int fd) {
 123         int read_chars_total = 0;
 124         int read_chars = 0;
 125         int entry_size;
 126         char * entry;
 127         char * entry_pos;
 128         struct stat st;
 129
 130         fstat(fd, &st);
 131         entry_size = st.st_size;
 132         entry = ch_malloc( entry_size+1 );
 133         entry_pos = entry;
 134
 135         while(1) {
 136                 read_chars = read(fd, (void *) entry_pos, entry_size - read_chars_total);
 137                 if(read_chars == -1) {
 138                         SLAP_FREE(entry);
 139                         return NULL;
 140                 }
 141                 if(read_chars == 0) {
 142                         entry[read_chars_total] = '\0';
 143                         break;
 144                 }
 145                 else {
 146                         read_chars_total += read_chars;
 147                         entry_pos += read_chars;
 148                 }
 149         }
 150         return entry;
 151 }
 152
 153 static int spew_file(int fd, char * spew, int len) {
 154         int writeres = 0;
 155
 156         while(len > 0) {
 157                 writeres = write(fd, spew, len);
 158                 if(writeres == -1) {
 159                         Debug( LDAP_DEBUG_ANY, "could not spew write: %s\n",
 160                                 strerror( errno ), 0, 0 );
 161                         return -1;
 162                 }
 163                 else {
 164                         spew += writeres;
 165                         len -= writeres;
 166                 }
 167         }
 168         return writeres;
 169 }
 170
 171 static int spew_entry(Entry * e, struct berval * path) {
 172         int rs;
 173         int openres;
 174         int spew_res;
 175         int entry_length;
 176         char * entry_as_string;
 177
 178         openres = open(path->bv_val, O_WRONLY|O_CREAT|O_TRUNC, S_IRUSR | S_IWUSR);
 179         if(openres == -1) {
 180                 if(errno == ENOENT)
 181                         rs = LDAP_NO_SUCH_OBJECT;
 182                 else
 183                         rs = LDAP_UNWILLING_TO_PERFORM;
 184                 Debug( LDAP_DEBUG_ANY, "could not open \"%s\": %s\n",
 185                         path->bv_val, strerror( errno ), 0 );
 186         }
 187         else {
 188                 struct berval rdn;
 189                 int tmp;
 190
 191                 /* Only save the RDN onto disk */
 192                 dnRdn( &e->e_name, &rdn );
 193                 if ( rdn.bv_len != e->e_name.bv_len ) {
 194                         e->e_name.bv_val[rdn.bv_len] = '\0';
 195                         tmp = e->e_name.bv_len;
 196                         e->e_name.bv_len = rdn.bv_len;
 197                         rdn.bv_len = tmp;
 198                 }
 199
 200                 entry_as_string = entry2str(e, &entry_length);
 201
 202                 /* Restore full DN */
 203                 if ( rdn.bv_len != e->e_name.bv_len ) {
 204                         e->e_name.bv_val[e->e_name.bv_len] = ',';
 205                         e->e_name.bv_len = rdn.bv_len;
 206                 }
 207
 208                 if(entry_as_string == NULL) {
 209                         rs = LDAP_UNWILLING_TO_PERFORM;
 210                         close(openres);
 211                 }
 212                 else {
 213                         spew_res = spew_file(openres, entry_as_string, entry_length);
 214                         close(openres);
 215                         if(spew_res == -1)
 216                                 rs = LDAP_UNWILLING_TO_PERFORM;
 217                         else
 218                                 rs = LDAP_SUCCESS;
 219                 }
 220         }
 221         return rs;
 222 }
 223
 224 static Entry * get_entry_for_fd(int fd,
 225         struct berval *pdn,
 226         struct berval *pndn)
 227 {
 228         char * entry = (char *) slurp_file(fd);
 229         Entry * ldentry = NULL;
 230
 231         /* error reading file */
 232         if(entry == NULL) {
 233                 goto return_value;
 234         }
 235
 236         ldentry = str2entry(entry);
 237         if ( ldentry ) {
 238                 struct berval rdn;
 239                 rdn = ldentry->e_name;
 240                 build_new_dn( &ldentry->e_name, pdn, &rdn, NULL );
 241                 ch_free( rdn.bv_val );
 242                 rdn = ldentry->e_nname;
 243                 build_new_dn( &ldentry->e_nname, pndn, &rdn, NULL );
 244                 ch_free( rdn.bv_val );
 245         }
 246
 247  return_value:
 248         if(fd != -1) {
 249                 if(close(fd) != 0) {
 250                         /* log error */
 251                 }
 252         }
 253         if(entry != NULL)
 254                 SLAP_FREE(entry);
 255         return ldentry;
 256 }
 257
 258 static Entry * get_entry(Operation *op, struct berval *base_path) {
 259         struct berval path, pdn, pndn;
 260         int fd;
 261
 262         dnParent(&op->o_req_dn, &pdn);
 263         dnParent(&op->o_req_ndn, &pndn);
 264         dn2path(&op->o_req_ndn, op->o_bd->be_nsuffix, base_path, &path);
 265         fd = open(path.bv_val, O_RDONLY);
 266         /* error opening file (mebbe should log error) */
 267         if ( fd == -1 && ( errno != ENOENT || op->o_tag != LDAP_REQ_ADD ) ) {
 268                 Debug( LDAP_DEBUG_ANY, "failed to open file \"%s\": %s\n",
 269                         path.bv_val, strerror(errno), 0 );
 270         }
 271
 272         if(path.bv_val != NULL)
 273                 SLAP_FREE(path.bv_val);
 274
 275         if ( fd != -1 ) {
 276                 return get_entry_for_fd(fd, &pdn, &pndn);
 277         }
 278
 279         return NULL;
 280 }
 281
 282 static void fullpath(struct berval *base, struct berval *name, struct berval *res) {
 283         char *ptr;
 284         res->bv_len = name->bv_len + base->bv_len + 1;
 285         res->bv_val = ch_malloc( res->bv_len + 1 );
 286         strcpy(res->bv_val, base->bv_val);
 287         ptr = res->bv_val + base->bv_len;
 288         *ptr++ = LDAP_DIRSEP[0];
 289         strcpy(ptr, name->bv_val);
 290 }
 291
 292 typedef struct bvlist {
 293         struct bvlist *next;
 294         struct berval bv;
 295         struct berval num;
 296         unsigned int inum;
 297         int off;
 298 } bvlist;
 299
 300
 301 static int r_enum_tree(enumCookie *ck, struct berval *path,
 302         struct berval *pdn, struct berval *pndn)
 303 {
 304         Entry *e;
 305         int fd, rc = LDAP_SUCCESS;
 306
 307         fd = open( path->bv_val, O_RDONLY );
 308         if ( fd < 0 ) {
 309                 Debug( LDAP_DEBUG_ANY,
 310                         "=> ldif_enum_tree: failed to open %s: %s\n",
 311                         path->bv_val, strerror(errno), 0 );
 312                 return LDAP_NO_SUCH_OBJECT;
 313         }
 314
 315         e = get_entry_for_fd(fd, pdn, pndn);
 316         if ( !e ) {
 317                 Debug( LDAP_DEBUG_ANY,
 318                         "=> ldif_enum_tree: failed to read entry for %s\n",
 319                         path->bv_val, 0, 0 );
 320                 return LDAP_BUSY;
 321         }
 322
 323         if ( ck->op->ors_scope == LDAP_SCOPE_BASE ||
 324                 ck->op->ors_scope == LDAP_SCOPE_SUBTREE ) {
 325                 /* Send right away? */
 326                 if ( ck->rs ) {
 327                         /*
 328                          * if it's a referral, add it to the list of referrals. only do
 329                          * this for non-base searches, and don't check the filter
 330                          * explicitly here since it's only a candidate anyway.
 331                          */
 332                         if ( !get_manageDSAit( ck->op )
 333                                         && ck->op->ors_scope != LDAP_SCOPE_BASE
 334                                         && is_entry_referral( e ) )
 335                         {
 336                                 BerVarray erefs = get_entry_referrals( ck->op, e );
 337                                 ck->rs->sr_ref = referral_rewrite( erefs,
 338                                                 &e->e_name, NULL,
 339                                                 ck->op->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL
 340                                                         ? LDAP_SCOPE_BASE : LDAP_SCOPE_SUBTREE );
 341
 342                                 ck->rs->sr_entry = e;
 343                                 rc = send_search_reference( ck->op, ck->rs );
 344                                 ber_bvarray_free( ck->rs->sr_ref );
 345                                 ber_bvarray_free( erefs );
 346                                 ck->rs->sr_ref = NULL;
 347                                 ck->rs->sr_entry = NULL;
 348
 349                         } else if ( test_filter( ck->op, e, ck->op->ors_filter ) == LDAP_COMPARE_TRUE )
 350                         {
 351                                 ck->rs->sr_entry = e;
 352                                 ck->rs->sr_attrs = ck->op->ors_attrs;
 353                                 ck->rs->sr_flags = REP_ENTRY_MODIFIABLE;
 354                                 rc = send_search_entry(ck->op, ck->rs);
 355                                 ck->rs->sr_entry = NULL;
 356                         }
 357                         fd = 1;
 358                         if ( rc )
 359                                 goto done;
 360                 } else {
 361                 /* Queueing up for tool mode */
 362                         if(ck->entries == NULL) {
 363                                 ck->entries = (Entry **) ch_malloc(sizeof(Entry *) * ENTRY_BUFF_INCREMENT);
 364                                 ck->elen = ENTRY_BUFF_INCREMENT;
 365                         }
 366                         if(ck->eind >= ck->elen) { /* grow entries if necessary */
 367                                 ck->entries = (Entry **) ch_realloc(ck->entries, sizeof(Entry *) * (ck->elen) * 2);
 368                                 ck->elen *= 2;
 369                         }
 370
 371                         ck->entries[ck->eind++] = e;
 372                         fd = 0;
 373                 }
 374         } else {
 375                 fd = 1;
 376         }
 377
 378         if ( ck->op->ors_scope != LDAP_SCOPE_BASE ) {
 379                 DIR * dir_of_path;
 380                 bvlist *list = NULL, *ptr;
 381
 382                 path->bv_len -= STRLENOF( LDIF );
 383                 path->bv_val[path->bv_len] = '\0';
 384
 385                 dir_of_path = opendir(path->bv_val);
 386                 if(dir_of_path == NULL) { /* can't open directory */
 387                         if ( errno != ENOENT ) {
 388                                 /* it shouldn't be treated as an error
 389                                  * only if the directory doesn't exist */
 390                                 rc = LDAP_BUSY;
 391                                 Debug( LDAP_DEBUG_ANY,
 392                                         "=> ldif_enum_tree: failed to opendir %s (%d)\n",
 393                                         path->bv_val, errno, 0 );
 394                         }
 395                         goto done;
 396                 }
 397
 398                 while(1) {
 399                         struct berval fname, itmp;
 400                         struct dirent * dir;
 401                         bvlist *bvl, **prev;
 402
 403                         dir = readdir(dir_of_path);
 404                         if(dir == NULL) break; /* end of the directory */
 405                         fname.bv_len = strlen( dir->d_name );
 406                         if ( fname.bv_len <= STRLENOF( LDIF ))
 407                                 continue;
 408                         if ( strcmp( dir->d_name + (fname.bv_len - STRLENOF(LDIF)), LDIF))
 409                                 continue;
 410                         fname.bv_val = dir->d_name;
 411
 412                         bvl = ch_malloc( sizeof(bvlist) );
 413                         ber_dupbv( &bvl->bv, &fname );
 414                         BER_BVZERO( &bvl->num );
 415                         itmp.bv_val = strchr( bvl->bv.bv_val, IX_FSL );
 416                         if ( itmp.bv_val ) {
 417                                 char *ptr;
 418                                 itmp.bv_val++;
 419                                 ptr = strchr( itmp.bv_val, IX_FSR );
 420                                 if ( ptr ) {
 421                                         itmp.bv_len = ptr - itmp.bv_val;
 422                                         ber_dupbv( &bvl->num, &itmp );
 423                                         bvl->inum = strtol( itmp.bv_val, NULL, 0 );
 424                                         itmp.bv_val[0] = '\0';
 425                                         bvl->off = itmp.bv_val - bvl->bv.bv_val;
 426                                 }
 427                         }
 428
 429                         for (prev = &list; (ptr = *prev) != NULL; prev = &ptr->next) {
 430                                 int cmp = strcmp( bvl->bv.bv_val, ptr->bv.bv_val );
 431                                 if ( !cmp && bvl->num.bv_val )
 432                                         cmp = bvl->inum - ptr->inum;
 433                                 if ( cmp < 0 )
 434                                         break;
 435                         }
 436                         *prev = bvl;
 437                         bvl->next = ptr;
 438
 439                 }
 440                 closedir(dir_of_path);
 441
 442                 if (ck->op->ors_scope == LDAP_SCOPE_ONELEVEL)
 443                         ck->op->ors_scope = LDAP_SCOPE_BASE;
 444                 else if ( ck->op->ors_scope == LDAP_SCOPE_SUBORDINATE)
 445                         ck->op->ors_scope = LDAP_SCOPE_SUBTREE;
 446
 447                 while ( ( ptr = list ) ) {
 448                         struct berval fpath;
 449
 450                         list = ptr->next;
 451
 452                         if ( rc == LDAP_SUCCESS ) {
 453                                 if ( ptr->num.bv_val )
 454                                         AC_MEMCPY( ptr->bv.bv_val + ptr->off, ptr->num.bv_val,
 455                                                 ptr->num.bv_len );
 456                                 fullpath( path, &ptr->bv, &fpath );
 457                                 rc = r_enum_tree(ck, &fpath, &e->e_name, &e->e_nname );
 458                                 free(fpath.bv_val);
 459                         }
 460                         if ( ptr->num.bv_val )
 461                                 free( ptr->num.bv_val );
 462                         free(ptr->bv.bv_val);
 463                         free(ptr);
 464                 }
 465         }
 466 done:
 467         if ( fd ) entry_free( e );
 468         return rc;
 469 }
 470
 471 static int
 472 enum_tree(
 473         enumCookie *ck
 474 )
 475 {
 476         struct ldif_info *ni = (struct ldif_info *) ck->op->o_bd->be_private;
 477         struct berval path;
 478         struct berval pdn, pndn;
 479         int rc;
 480
 481         dnParent( &ck->op->o_req_dn, &pdn );
 482         dnParent( &ck->op->o_req_ndn, &pndn );
 483         dn2path( &ck->op->o_req_ndn, &ck->op->o_bd->be_nsuffix[0], &ni->li_base_path, &path);
 484         rc = r_enum_tree(ck, &path, &pdn, &pndn);
 485         ch_free( path.bv_val );
 486         return rc;
 487 }
 488
 489 /* Get the parent path plus the LDIF suffix */
 490 static void get_parent_path(struct berval * dnpath, struct berval *res) {
 491         int dnpathlen = dnpath->bv_len;
 492         int i;
 493
 494         for(i = dnpathlen;i>0;i--) /* find the first path seperator */
 495                 if(dnpath->bv_val[i] == LDAP_DIRSEP[0])
 496                         break;
 497         res->bv_len = i;
 498         res->bv_val = ch_malloc( res->bv_len + 1 + STRLENOF(LDIF) );
 499         strncpy(res->bv_val, dnpath->bv_val, i);
 500         strcpy(res->bv_val+i, LDIF);
 501         res->bv_val[i] = '\0';
 502 }
 503
 504 static int apply_modify_to_entry(Entry * entry,
 505                                 Modifications * modlist,
 506                                 Operation * op,
 507                                 SlapReply * rs)
 508 {
 509         char textbuf[SLAP_TEXT_BUFLEN];
 510         int rc = modlist ? LDAP_UNWILLING_TO_PERFORM : LDAP_SUCCESS;
 511         int is_oc = 0;
 512         Modification *mods = NULL;
 513
 514         if (!acl_check_modlist(op, entry, modlist)) {
 515                 return LDAP_INSUFFICIENT_ACCESS;
 516         }
 517
 518         for (; modlist != NULL; modlist = modlist->sml_next) {
 519                 mods = &modlist->sml_mod;
 520
 521                 if ( mods->sm_desc == slap_schema.si_ad_objectClass ) {
 522                         is_oc = 1;
 523                 }
 524                 switch (mods->sm_op) {
 525                 case LDAP_MOD_ADD:
 526                         rc = modify_add_values(entry, mods,
 527                                    get_permissiveModify(op),
 528                                    &rs->sr_text, textbuf,
 529                                    sizeof( textbuf ) );
 530                         break;
 531
 532                 case LDAP_MOD_DELETE:
 533                         rc = modify_delete_values(entry, mods,
 534                                 get_permissiveModify(op),
 535                                 &rs->sr_text, textbuf,
 536                                 sizeof( textbuf ) );
 537                         break;
 538
 539                 case LDAP_MOD_REPLACE:
 540                         rc = modify_replace_values(entry, mods,
 541                                  get_permissiveModify(op),
 542                                  &rs->sr_text, textbuf,
 543                                  sizeof( textbuf ) );
 544                         break;
 545
 546                 case LDAP_MOD_INCREMENT:
 547                         rc = modify_increment_values( entry,
 548                                 mods, get_permissiveModify(op),
 549                                 &rs->sr_text, textbuf,
 550                                 sizeof( textbuf ) );
 551                         break;
 552
 553                         break;
 554
 555                 case SLAP_MOD_SOFTADD:
 556                         mods->sm_op = LDAP_MOD_ADD;
 557                         rc = modify_add_values(entry, mods,
 558                                    get_permissiveModify(op),
 559                                    &rs->sr_text, textbuf,
 560                                    sizeof( textbuf ) );
 561                         mods->sm_op = SLAP_MOD_SOFTADD;
 562                         if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
 563                                 rc = LDAP_SUCCESS;
 564                         }
 565                         break;
 566                 default:
 567                         break;
 568                 }
 569                 if(rc != LDAP_SUCCESS) break;
 570         }
 571
 572         if(rc == LDAP_SUCCESS) {
 573                 if ( is_oc ) {
 574                         entry->e_ocflags = 0;
 575                 }
 576                 /* check that the entry still obeys the schema */
 577                 rc = entry_schema_check( op, entry, NULL, 0,
 578                           &rs->sr_text, textbuf, sizeof( textbuf ) );
 579         }
 580
 581         return rc;
 582 }
 583
 584 int
 585 ldif_back_referrals( Operation *op, SlapReply *rs )
 586 {
 587         struct ldif_info        *ni = NULL;
 588         Entry                   *entry;
 589         int                     rc = LDAP_SUCCESS;
 590
 591 #if 0
 592         if ( op->o_tag == LDAP_REQ_SEARCH ) {
 593                 /* let search take care of itself */
 594                 return rc;
 595         }
 596 #endif
 597
 598         if ( get_manageDSAit( op ) ) {
 599                 /* let op take care of DSA management */
 600                 return rc;
 601         }
 602
 603         ni = (struct ldif_info *)op->o_bd->be_private;
 604         ldap_pvt_thread_rdwr_rlock( &ni->li_rdwr );
 605         entry = (Entry *)get_entry( op, &ni->li_base_path );
 606
 607         /* no object is found for them */
 608         if ( entry == NULL ) {
 609                 struct berval   odn = op->o_req_dn;
 610                 struct berval   ondn = op->o_req_ndn;
 611
 612                 struct berval   pndn = op->o_req_ndn;
 613
 614                 for ( ; entry == NULL; ) {
 615                         dnParent( &pndn, &pndn );
 616
 617                         if ( !dnIsSuffix( &pndn, &op->o_bd->be_nsuffix[0] ) ) {
 618                                 break;
 619                         }
 620
 621                         op->o_req_dn = pndn;
 622                         op->o_req_ndn = pndn;
 623
 624                         entry = (Entry *)get_entry( op, &ni->li_base_path );
 625                 }
 626
 627                 ldap_pvt_thread_rdwr_runlock( &ni->li_rdwr );
 628
 629                 op->o_req_dn = odn;
 630                 op->o_req_ndn = ondn;
 631
 632                 rc = LDAP_SUCCESS;
 633                 rs->sr_matched = NULL;
 634                 if ( entry != NULL ) {
 635                         Debug( LDAP_DEBUG_TRACE,
 636                                 "ldif_back_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
 637                                 (long) op->o_tag, op->o_req_dn.bv_val, entry->e_name.bv_val );
 638
 639                         if ( is_entry_referral( entry ) ) {
 640                                 rc = LDAP_OTHER;
 641                                 rs->sr_ref = get_entry_referrals( op, entry );
 642                                 if ( rs->sr_ref ) {
 643                                         rs->sr_matched = ber_strdup_x(
 644                                         entry->e_name.bv_val, op->o_tmpmemctx );
 645                                 }
 646                         }
 647
 648                         entry_free(entry);
 649
 650                 } else if ( default_referral != NULL ) {
 651                         rc = LDAP_OTHER;
 652                         rs->sr_ref = referral_rewrite( default_referral,
 653                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 654                 }
 655
 656                 if ( rs->sr_ref != NULL ) {
 657                         /* send referrals */
 658                         rc = rs->sr_err = LDAP_REFERRAL;
 659                         send_ldap_result( op, rs );
 660                         ber_bvarray_free( rs->sr_ref );
 661                         rs->sr_ref = NULL;
 662
 663                 } else if ( rc != LDAP_SUCCESS ) {
 664                         rs->sr_err = rc;
 665                         rs->sr_text = rs->sr_matched ? "bad referral object" : NULL;
 666                         send_ldap_result( op, rs );
 667                 }
 668
 669                 if ( rs->sr_matched ) {
 670                         op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
 671                         rs->sr_matched = NULL;
 672                 }
 673
 674                 return rc;
 675         }
 676
 677         ldap_pvt_thread_rdwr_runlock( &ni->li_rdwr );
 678
 679         if ( is_entry_referral( entry ) ) {
 680                 /* entry is a referral */
 681                 BerVarray refs = get_entry_referrals( op, entry );
 682                 rs->sr_ref = referral_rewrite(
 683                         refs, &entry->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 684
 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                 rs->sr_matched = entry->e_name.bv_val;
 690                 if ( rs->sr_ref != NULL ) {
 691                         rc = rs->sr_err = LDAP_REFERRAL;
 692                         send_ldap_result( op, rs );
 693                         ber_bvarray_free( rs->sr_ref );
 694                         rs->sr_ref = NULL;
 695
 696                 } else {
 697                         send_ldap_error( op, rs, LDAP_OTHER, "bad referral object" );
 698                         rc = rs->sr_err;
 699                 }
 700
 701                 rs->sr_matched = NULL;
 702                 ber_bvarray_free( refs );
 703         }
 704
 705         entry_free( entry );
 706
 707         return rc;
 708 }
 709
 710 static int
 711 ldif_back_bind( Operation *op, SlapReply *rs )
 712 {
 713         struct ldif_info *ni = NULL;
 714         Attribute * a = NULL;
 715         AttributeDescription *password = slap_schema.si_ad_userPassword;
 716         int return_val = 0;
 717         Entry * entry = NULL;
 718
 719         ni = (struct ldif_info *) op->o_bd->be_private;
 720         ldap_pvt_thread_rdwr_rlock(&ni->li_rdwr);
 721         entry = (Entry *) get_entry(op, &ni->li_base_path);
 722
 723         /* no object is found for them */
 724         if(entry == NULL) {
 725                 if(be_isroot_pw(op)) {
 726                         rs->sr_err = return_val = LDAP_SUCCESS;
 727                 } else {
 728                         rs->sr_err = return_val = LDAP_INVALID_CREDENTIALS;
 729                 }
 730                 goto return_result;
 731         }
 732
 733         /* they don't have userpassword */
 734         if((a = attr_find(entry->e_attrs, password)) == NULL) {
 735                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 736                 return_val = 1;
 737                 goto return_result;
 738         }
 739
 740         /* authentication actually failed */
 741         if(slap_passwd_check(op, entry, a, &op->oq_bind.rb_cred,
 742                              &rs->sr_text) != 0) {
 743                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 744                 return_val = 1;
 745                 goto return_result;
 746         }
 747
 748         /* let the front-end send success */
 749         return_val = 0;
 750         goto return_result;
 751
 752  return_result:
 753         ldap_pvt_thread_rdwr_runlock(&ni->li_rdwr);
 754         if(return_val != 0)
 755                 send_ldap_result( op, rs );
 756         if(entry != NULL)
 757                 entry_free(entry);
 758         return return_val;
 759 }
 760
 761 static int ldif_back_search(Operation *op, SlapReply *rs)
 762 {
 763         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 764         enumCookie ck = { NULL, NULL, NULL, 0, 0 };
 765
 766         ck.op = op;
 767         ck.rs = rs;
 768         ldap_pvt_thread_rdwr_rlock(&ni->li_rdwr);
 769         rs->sr_err = enum_tree( &ck );
 770         ldap_pvt_thread_rdwr_runlock(&ni->li_rdwr);
 771         send_ldap_result(op, rs);
 772
 773         return rs->sr_err;
 774 }
 775
 776 static int ldif_back_add(Operation *op, SlapReply *rs) {
 777         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 778         Entry * e = op->ora_e;
 779         struct berval dn = e->e_nname;
 780         struct berval leaf_path = BER_BVNULL;
 781         struct stat stats;
 782         int statres;
 783         char textbuf[SLAP_TEXT_BUFLEN];
 784
 785         Debug( LDAP_DEBUG_TRACE, "ldif_back_add: \"%s\"\n", dn.bv_val, 0, 0);
 786         slap_add_opattrs( op, &rs->sr_text, textbuf, sizeof( textbuf ), 1 );
 787
 788         rs->sr_err = entry_schema_check(op, e, NULL, 0,
 789                 &rs->sr_text, textbuf, sizeof( textbuf ) );
 790         if ( rs->sr_err != LDAP_SUCCESS ) goto send_res;
 791
 792         ldap_pvt_thread_rdwr_wlock(&ni->li_rdwr);
 793
 794         dn2path(&dn, &op->o_bd->be_nsuffix[0], &ni->li_base_path, &leaf_path);
 795
 796         if(leaf_path.bv_val != NULL) {
 797                 struct berval base = BER_BVNULL;
 798                 /* build path to container and ldif of container */
 799                 get_parent_path(&leaf_path, &base);
 800
 801                 statres = stat(base.bv_val, &stats); /* check if container exists */
 802                 if(statres == -1 && errno == ENOENT) { /* container missing */
 803                         base.bv_val[base.bv_len] = '.';
 804                         statres = stat(base.bv_val, &stats); /* check for leaf node */
 805                         base.bv_val[base.bv_len] = '\0';
 806                         if(statres == -1 && errno == ENOENT) {
 807                                 rs->sr_err = LDAP_NO_SUCH_OBJECT; /* parent doesn't exist */
 808                                 rs->sr_text = "Parent does not exist";
 809                         }
 810                         else if(statres != -1) { /* create parent */
 811                                 int mkdirres = mkdir(base.bv_val, 0750);
 812                                 if(mkdirres == -1) {
 813                                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 814                                         rs->sr_text = "Could not create parent folder";
 815                                         Debug( LDAP_DEBUG_ANY, "could not create folder \"%s\": %s\n",
 816                                                 base.bv_val, strerror( errno ), 0 );
 817                                 }
 818                         }
 819                         else
 820                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 821                 }/* container was possibly created, move on to add the entry */
 822                 if(rs->sr_err == LDAP_SUCCESS) {
 823                         statres = stat(leaf_path.bv_val, &stats);
 824                         if(statres == -1 && errno == ENOENT) {
 825                                 ldap_pvt_thread_mutex_lock(&entry2str_mutex);
 826                                 rs->sr_err = (int) spew_entry(e, &leaf_path);
 827                                 ldap_pvt_thread_mutex_unlock(&entry2str_mutex);
 828                         }
 829                         else if ( statres == -1 ) {
 830                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 831                                 Debug( LDAP_DEBUG_ANY, "could not stat file \"%s\": %s\n",
 832                                         leaf_path.bv_val, strerror( errno ), 0 );
 833                         }
 834                         else /* it already exists */
 835                                 rs->sr_err = LDAP_ALREADY_EXISTS;
 836                 }
 837                 SLAP_FREE(base.bv_val);
 838                 SLAP_FREE(leaf_path.bv_val);
 839         }
 840
 841         ldap_pvt_thread_rdwr_wunlock(&ni->li_rdwr);
 842
 843 send_res:
 844         Debug( LDAP_DEBUG_TRACE,
 845                         "ldif_back_add: err: %d text: %s\n", rs->sr_err, rs->sr_text, 0);
 846         send_ldap_result(op, rs);
 847         slap_graduate_commit_csn( op );
 848         return 0;
 849 }
 850
 851 static int ldif_back_modify(Operation *op, SlapReply *rs) {
 852         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 853         Modifications * modlst = op->orm_modlist;
 854         struct berval path = BER_BVNULL;
 855         Entry * entry = NULL;
 856         int spew_res;
 857
 858         slap_mods_opattrs( op, &op->orm_modlist, 1 );
 859
 860         ldap_pvt_thread_rdwr_wlock(&ni->li_rdwr);
 861         dn2path(&op->o_req_ndn, &op->o_bd->be_nsuffix[0], &ni->li_base_path,
 862                 &path);
 863         entry = (Entry *) get_entry(op, &ni->li_base_path);
 864
 865         if(entry != NULL) {
 866                 rs->sr_err = apply_modify_to_entry(entry, modlst, op, rs);
 867                 if(rs->sr_err == LDAP_SUCCESS) {
 868                         int save_errno;
 869                         ldap_pvt_thread_mutex_lock(&entry2str_mutex);
 870                         spew_res = spew_entry(entry, &path);
 871                         save_errno = errno;
 872                         ldap_pvt_thread_mutex_unlock(&entry2str_mutex);
 873                         if(spew_res == -1) {
 874                                 Debug( LDAP_DEBUG_ANY,
 875                                         "%s ldif_back_modify: could not output entry \"%s\": %s\n",
 876                                         op->o_log_prefix, entry->e_name.bv_val, strerror( save_errno ) );
 877                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 878                         }
 879                 }
 880         }
 881         else {
 882                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 883         }
 884
 885         if(entry != NULL)
 886                 entry_free(entry);
 887         if(path.bv_val != NULL)
 888                 SLAP_FREE(path.bv_val);
 889         rs->sr_text = NULL;
 890         ldap_pvt_thread_rdwr_wunlock(&ni->li_rdwr);
 891         send_ldap_result(op, rs);
 892         slap_graduate_commit_csn( op );
 893         return 0;
 894 }
 895
 896 static int ldif_back_delete(Operation *op, SlapReply *rs) {
 897         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 898         struct berval path = BER_BVNULL;
 899         int res = 0;
 900
 901         if ( BER_BVISEMPTY( &op->o_csn )) {
 902                 struct berval csn;
 903                 char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
 904
 905                 csn.bv_val = csnbuf;
 906                 csn.bv_len = sizeof( csnbuf );
 907                 slap_get_csn( op, &csn, 1 );
 908         }
 909
 910         ldap_pvt_thread_rdwr_wlock(&ni->li_rdwr);
 911         dn2path(&op->o_req_ndn, &op->o_bd->be_nsuffix[0], &ni->li_base_path, &path);
 912
 913         path.bv_val[path.bv_len - STRLENOF(LDIF)] = '\0';
 914         res = rmdir(path.bv_val);
 915         path.bv_val[path.bv_len - STRLENOF(LDIF)] = '.';
 916         if ( res && errno != ENOENT ) {
 917                 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 918         } else {
 919                 res = unlink(path.bv_val);
 920         }
 921
 922         if(res == -1) {
 923                 if(errno == ENOENT)
 924                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 925                 else
 926                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 927         }
 928         else
 929                 rs->sr_err = LDAP_SUCCESS;
 930
 931         SLAP_FREE(path.bv_val);
 932         ldap_pvt_thread_rdwr_wunlock(&ni->li_rdwr);
 933         send_ldap_result(op, rs);
 934         slap_graduate_commit_csn( op );
 935         return 0;
 936 }
 937
 938
 939 static int move_entry(Entry * entry, struct berval * ndn,
 940                            struct berval * newndn, struct berval * suffixdn,
 941                            struct berval * base_path) {
 942         int res;
 943         int exists_res;
 944         struct berval path;
 945         struct berval newpath;
 946
 947         dn2path(ndn, suffixdn, base_path, &path);
 948         dn2path(newndn, suffixdn, base_path, &newpath);
 949
 950         if((entry == NULL || path.bv_val == NULL) || newpath.bv_val == NULL) {
 951                 /* some object doesn't exist */
 952                 res = LDAP_NO_SUCH_OBJECT;
 953         }
 954         else { /* do the modrdn */
 955                 exists_res = open(newpath.bv_val, O_RDONLY);
 956                 if(exists_res == -1 && errno == ENOENT) {
 957                         ldap_pvt_thread_mutex_lock( &entry2str_mutex );
 958                         res = spew_entry(entry, &newpath);
 959                         if(res != -1) {
 960                                 /* if this fails we should log something bad */
 961                                 res = unlink(path.bv_val);
 962                                 res = LDAP_SUCCESS;
 963                         }
 964                         else {
 965                                 if(errno == ENOENT)
 966                                         res = LDAP_NO_SUCH_OBJECT;
 967                                 else
 968                                         res = LDAP_UNWILLING_TO_PERFORM;
 969                                 unlink(newpath.bv_val); /* in case file was created */
 970                         }
 971                         ldap_pvt_thread_mutex_unlock( &entry2str_mutex );
 972                 }
 973                 else if(exists_res) {
 974                         int close_res = close(exists_res);
 975                         res = LDAP_ALREADY_EXISTS;
 976                         if(close_res == -1) {
 977                         /* log heinous error */
 978                         }
 979                 }
 980                 else {
 981                         res = LDAP_UNWILLING_TO_PERFORM;
 982                 }
 983         }
 984
 985         if(newpath.bv_val != NULL)
 986                 SLAP_FREE(newpath.bv_val);
 987         if(path.bv_val != NULL)
 988                 SLAP_FREE(path.bv_val);
 989         return res;
 990 }
 991
 992 static int
 993 ldif_back_modrdn(Operation *op, SlapReply *rs)
 994 {
 995         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
 996         struct berval new_dn = BER_BVNULL, new_ndn = BER_BVNULL;
 997         struct berval p_dn;
 998         Entry * entry = NULL;
 999         int res;
1000
1001         slap_mods_opattrs( op, &op->orr_modlist, 1 );
1002
1003         ldap_pvt_thread_rdwr_wlock( &ni->li_rdwr );
1004         entry = (Entry *) get_entry( op, &ni->li_base_path );
1005
1006         /* build the mods to the entry */
1007         if ( entry != NULL ) {
1008                 /* build new dn, and new ndn for the entry */
1009                 if ( op->oq_modrdn.rs_newSup != NULL ) {
1010                         struct berval   op_dn = op->o_req_dn,
1011                                         op_ndn = op->o_req_ndn;
1012                         Entry           *np;
1013
1014                         /* new superior */
1015                         p_dn = *op->oq_modrdn.rs_newSup;
1016                         op->o_req_dn = *op->oq_modrdn.rs_newSup;
1017                         op->o_req_ndn = *op->oq_modrdn.rs_nnewSup;
1018                         np = (Entry *)get_entry( op, &ni->li_base_path );
1019                         op->o_req_dn = op_dn;
1020                         op->o_req_ndn = op_ndn;
1021                         if ( np == NULL ) {
1022                                 goto no_such_object;
1023                         }
1024                         entry_free( np );
1025                 } else {
1026                         dnParent( &entry->e_name, &p_dn );
1027                 }
1028                 build_new_dn( &new_dn, &p_dn, &op->oq_modrdn.rs_newrdn, NULL );
1029                 dnNormalize( 0, NULL, NULL, &new_dn, &new_ndn, NULL );
1030                 ber_memfree_x( entry->e_name.bv_val, NULL );
1031                 ber_memfree_x( entry->e_nname.bv_val, NULL );
1032                 entry->e_name = new_dn;
1033                 entry->e_nname = new_ndn;
1034
1035                 /* perform the modifications */
1036                 res = apply_modify_to_entry( entry, op->orr_modlist, op, rs );
1037                 if ( res == LDAP_SUCCESS ) {
1038                         rs->sr_err = move_entry( entry, &op->o_req_ndn,
1039                                                 &new_ndn,
1040                                                 &op->o_bd->be_nsuffix[0],
1041                                                 &ni->li_base_path );
1042                 } else {
1043                         rs->sr_err = res;
1044                 }
1045         } else {
1046 no_such_object:;
1047                 /* entry was null */
1048                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
1049         }
1050
1051         if ( entry != NULL ) {
1052                 entry_free( entry );
1053         }
1054         rs->sr_text = "";
1055         ldap_pvt_thread_rdwr_wunlock( &ni->li_rdwr );
1056         send_ldap_result( op, rs );
1057         slap_graduate_commit_csn( op );
1058         return 0;
1059 }
1060
1061 /* return LDAP_SUCCESS IFF we can retrieve the specified entry.
1062  */
1063 int ldif_back_entry_get(
1064         Operation *op,
1065         struct berval *ndn,
1066         ObjectClass *oc,
1067         AttributeDescription *at,
1068         int rw,
1069         Entry **ent )
1070 {
1071         struct ldif_info *ni = (struct ldif_info *) op->o_bd->be_private;
1072         struct berval op_dn = op->o_req_dn, op_ndn = op->o_req_ndn;
1073
1074         assert( ndn != NULL );
1075         assert( !BER_BVISNULL( ndn ) );
1076
1077         ldap_pvt_thread_rdwr_rlock( &ni->li_rdwr );
1078         op->o_req_dn = *ndn;
1079         op->o_req_ndn = *ndn;
1080         *ent = (Entry *) get_entry( op, &ni->li_base_path );
1081         op->o_req_dn = op_dn;
1082         op->o_req_ndn = op_ndn;
1083         ldap_pvt_thread_rdwr_runlock( &ni->li_rdwr );
1084
1085         if ( *ent && oc && !is_entry_objectclass_or_sub( *ent, oc ) ) {
1086                 entry_free( *ent );
1087                 *ent = NULL;
1088         }
1089
1090         return ( *ent == NULL ? 1 : 0 );
1091 }
1092
1093 static int ldif_tool_entry_open(BackendDB * be, int mode) {
1094         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1095         ni->li_tool_current = 0;
1096         return 0;
1097 }
1098
1099 static int ldif_tool_entry_close(BackendDB * be) {
1100         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1101
1102         SLAP_FREE(ni->li_tool_cookie.entries);
1103         return 0;
1104 }
1105
1106 static ID
1107 ldif_tool_entry_first(BackendDB *be)
1108 {
1109         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1110         ID id = 1; /* first entry in the array of entries shifted by one */
1111
1112         ni->li_tool_current = 1;
1113         if(ni->li_tool_cookie.entries == NULL) {
1114                 Operation op = {0};
1115
1116                 op.o_bd = be;
1117                 op.o_req_dn = *be->be_suffix;
1118                 op.o_req_ndn = *be->be_nsuffix;
1119                 op.ors_scope = LDAP_SCOPE_SUBTREE;
1120                 ni->li_tool_cookie.op = &op;
1121                 (void)enum_tree( &ni->li_tool_cookie );
1122                 ni->li_tool_cookie.op = NULL;
1123         }
1124         return id;
1125 }
1126
1127 static ID ldif_tool_entry_next(BackendDB *be)
1128 {
1129         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1130         ni->li_tool_current += 1;
1131         if(ni->li_tool_current > ni->li_tool_cookie.eind)
1132                 return NOID;
1133         else
1134                 return ni->li_tool_current;
1135 }
1136
1137 static Entry * ldif_tool_entry_get(BackendDB * be, ID id) {
1138         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1139         Entry * e;
1140
1141         if(id > ni->li_tool_cookie.eind || id < 1)
1142                 return NULL;
1143         else {
1144                 e = ni->li_tool_cookie.entries[id - 1];
1145                 ni->li_tool_cookie.entries[id - 1] = NULL;
1146                 return e;
1147         }
1148 }
1149
1150 static ID ldif_tool_entry_put(BackendDB * be, Entry * e, struct berval *text) {
1151         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1152         struct berval dn = e->e_nname;
1153         struct berval leaf_path = BER_BVNULL;
1154         struct stat stats;
1155         int statres;
1156         int res = LDAP_SUCCESS;
1157
1158         dn2path(&dn, &be->be_nsuffix[0], &ni->li_base_path, &leaf_path);
1159
1160         if(leaf_path.bv_val != NULL) {
1161                 struct berval base = BER_BVNULL;
1162                 /* build path to container, and path to ldif of container */
1163                 get_parent_path(&leaf_path, &base);
1164
1165                 statres = stat(base.bv_val, &stats); /* check if container exists */
1166                 if(statres == -1 && errno == ENOENT) { /* container missing */
1167                         base.bv_val[base.bv_len] = '.';
1168                         statres = stat(base.bv_val, &stats); /* check for leaf node */
1169                         base.bv_val[base.bv_len] = '\0';
1170                         if(statres == -1 && errno == ENOENT) {
1171                                 res = LDAP_NO_SUCH_OBJECT; /* parent doesn't exist */
1172                         }
1173                         else if(statres != -1) { /* create parent */
1174                                 int mkdirres = mkdir(base.bv_val, 0750);
1175                                 if(mkdirres == -1) {
1176                                         res = LDAP_UNWILLING_TO_PERFORM;
1177                                 }
1178                         }
1179                         else
1180                                 res = LDAP_UNWILLING_TO_PERFORM;
1181                 }/* container was possibly created, move on to add the entry */
1182                 if(res == LDAP_SUCCESS) {
1183                         statres = stat(leaf_path.bv_val, &stats);
1184                         if(statres == -1 && errno == ENOENT) {
1185                                 res = (int) spew_entry(e, &leaf_path);
1186                         }
1187                         else /* it already exists */
1188                                 res = LDAP_ALREADY_EXISTS;
1189                 }
1190                 SLAP_FREE(base.bv_val);
1191                 SLAP_FREE(leaf_path.bv_val);
1192         }
1193
1194         if(res == LDAP_SUCCESS) {
1195                 return 1;
1196         }
1197         else
1198                 return NOID;
1199 }
1200
1201 static int
1202 ldif_back_db_init( BackendDB *be )
1203 {
1204         struct ldif_info *ni;
1205
1206         ni = ch_calloc( 1, sizeof(struct ldif_info) );
1207         be->be_private = ni;
1208         be->be_cf_ocs = ldifocs;
1209         ldap_pvt_thread_rdwr_init(&ni->li_rdwr);
1210         return 0;
1211 }
1212
1213 static int
1214 ldif_back_db_destroy(
1215                            Backend      *be
1216                            )
1217 {
1218         struct ldif_info *ni = be->be_private;
1219
1220         ch_free(ni->li_base_path.bv_val);
1221         ldap_pvt_thread_rdwr_destroy(&ni->li_rdwr);
1222         free( be->be_private );
1223         return 0;
1224 }
1225
1226 static int
1227 ldif_back_db_open(
1228                         Backend *be
1229                         )
1230 {
1231         struct ldif_info *ni = (struct ldif_info *) be->be_private;
1232         if( BER_BVISEMPTY(&ni->li_base_path)) {/* missing base path */
1233                 Debug( LDAP_DEBUG_ANY, "missing base path for back-ldif\n", 0, 0, 0);
1234                 return 1;
1235         }
1236         return 0;
1237 }
1238
1239 int
1240 ldif_back_initialize(
1241                            BackendInfo  *bi
1242                            )
1243 {
1244         static char *controls[] = {
1245                 LDAP_CONTROL_MANAGEDSAIT,
1246                 NULL
1247         };
1248         int rc;
1249
1250         bi->bi_flags |=
1251                 SLAP_BFLAG_INCREMENT |
1252                 SLAP_BFLAG_REFERRALS;
1253
1254         bi->bi_controls = controls;
1255
1256         bi->bi_open = 0;
1257         bi->bi_close = 0;
1258         bi->bi_config = 0;
1259         bi->bi_destroy = 0;
1260
1261         bi->bi_db_init = ldif_back_db_init;
1262         bi->bi_db_config = config_generic_wrapper;
1263         bi->bi_db_open = ldif_back_db_open;
1264         bi->bi_db_close = 0;
1265         bi->bi_db_destroy = ldif_back_db_destroy;
1266
1267         bi->bi_op_bind = ldif_back_bind;
1268         bi->bi_op_unbind = 0;
1269         bi->bi_op_search = ldif_back_search;
1270         bi->bi_op_compare = 0;
1271         bi->bi_op_modify = ldif_back_modify;
1272         bi->bi_op_modrdn = ldif_back_modrdn;
1273         bi->bi_op_add = ldif_back_add;
1274         bi->bi_op_delete = ldif_back_delete;
1275         bi->bi_op_abandon = 0;
1276
1277         bi->bi_extended = 0;
1278
1279         bi->bi_chk_referrals = ldif_back_referrals;
1280
1281         bi->bi_connection_init = 0;
1282         bi->bi_connection_destroy = 0;
1283
1284         bi->bi_entry_get_rw = ldif_back_entry_get;
1285
1286 #if 0   /* NOTE: uncomment to completely disable access control */
1287         bi->bi_access_allowed = slap_access_always_allowed;
1288 #endif
1289
1290         bi->bi_tool_entry_open = ldif_tool_entry_open;
1291         bi->bi_tool_entry_close = ldif_tool_entry_close;
1292         bi->bi_tool_entry_first = ldif_tool_entry_first;
1293         bi->bi_tool_entry_next = ldif_tool_entry_next;
1294         bi->bi_tool_entry_get = ldif_tool_entry_get;
1295         bi->bi_tool_entry_put = ldif_tool_entry_put;
1296         bi->bi_tool_entry_reindex = 0;
1297         bi->bi_tool_sync = 0;
1298
1299         bi->bi_tool_dn2id_get = 0;
1300         bi->bi_tool_id2entry_get = 0;
1301         bi->bi_tool_entry_modify = 0;
1302
1303         bi->bi_cf_ocs = ldifocs;
1304
1305         rc = config_register_schema( ldifcfg, ldifocs );
1306         if ( rc ) return rc;
1307         return 0;
1308 }