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

   1 /* $OpenLDAP$ */
   2 /*
   3  * Replication Engine which uses the LDAP Sync protocol
   4  */
   5 /* Copyright (c) 2003 by International Business Machines, Inc.
   6  *
   7  * International Business Machines, Inc. (hereinafter called IBM) grants
   8  * permission under its copyrights to use, copy, modify, and distribute this
   9  * Software with or without fee, provided that the above copyright notice and
  10  * all paragraphs of this notice appear in all copies, and that the name of IBM
  11  * not be used in connection with the marketing of any product incorporating
  12  * the Software or modifications thereof, without specific, written prior
  13  * permission.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
  16  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  17  * PARTICULAR PURPOSE.  IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
  18  * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
  19  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
  20  * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
  21  */
  22
  23 #include "portable.h"
  24
  25 #include <stdio.h>
  26
  27 #include <ac/string.h>
  28 #include <ac/socket.h>
  29 #include <db.h>
  30
  31 #include "ldap_pvt.h"
  32 #include "lutil.h"
  33 #include "slap.h"
  34 #include "lutil_ldap.h"
  35
  36 #include "ldap_rq.h"
  37
  38 static void
  39 syncrepl_del_nonpresent( LDAP *, Operation * );
  40
  41 /* callback functions */
  42 static int cookie_callback( struct slap_op *, struct slap_rep * );
  43 static int dn_callback( struct slap_op *, struct slap_rep * );
  44 static int nonpresent_callback( struct slap_op *, struct slap_rep * );
  45 static int null_callback( struct slap_op *, struct slap_rep * );
  46 static int contextcsn_callback( Operation*, SlapReply* );
  47
  48 static AttributeDescription **sync_descs;
  49
  50 struct runqueue_s syncrepl_rq;
  51
  52 void
  53 init_syncrepl()
  54 {
  55         sync_descs = ch_malloc( 4 * sizeof( AttributeDescription * ));
  56         sync_descs[0] = slap_schema.si_ad_objectClass;
  57         sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
  58         sync_descs[2] = slap_schema.si_ad_entryCSN;
  59         sync_descs[3] = NULL;
  60 }
  61
  62 int
  63 ldap_sync_search(
  64         syncinfo_t *si,
  65         LDAP *ld,
  66         LDAPControl **sctrls,
  67         LDAPControl **cctrls,
  68         int *msgidp )
  69 {
  70         BerElement      *ber;
  71         int timelimit;
  72         ber_int_t id;
  73
  74         int rc;
  75         BerElement      *sync_ber = NULL;
  76         struct berval *sync_bvalp = NULL;
  77         LDAPControl c[2];
  78         LDAPControl **ctrls;
  79         int err;
  80         struct timeval timeout;
  81
  82     /* setup LDAP SYNC control */
  83     sync_ber = ber_alloc_t( LBER_USE_DER );
  84     ber_set_option( sync_ber, LBER_OPT_BER_MEMCTX, NULL );
  85
  86     if ( si->syncCookie ) {
  87         ber_printf( sync_ber, "{eO}", abs(si->type), si->syncCookie );
  88     } else {
  89         ber_printf( sync_ber, "{e}", abs(si->type) );
  90     }
  91
  92     if ( ber_flatten( sync_ber, &sync_bvalp ) == LBER_ERROR ) {
  93         ber_free( sync_ber, 1 );
  94         return LBER_ERROR;
  95     }
  96     ber_free( sync_ber, 1 );
  97
  98     ctrls = (LDAPControl**) sl_calloc( 3, sizeof(LDAPControl*), NULL );
  99
 100     c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 101     c[0].ldctl_value = (*sync_bvalp);
 102     c[0].ldctl_iscritical = si->type < 0;
 103     ctrls[0] = &c[0];
 104
 105     if ( si->authzId ) {
 106         c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 107         c[1].ldctl_value.bv_val = si->authzId;
 108         c[1].ldctl_value.bv_len = strlen( si->authzId );
 109         c[1].ldctl_iscritical = 1;
 110         ctrls[1] = &c[1];
 111     } else {
 112         ctrls[1] = NULL;
 113     }
 114
 115     ctrls[2] = NULL;
 116
 117     err = ldap_set_option( ld, LDAP_OPT_SERVER_CONTROLS, ctrls );
 118
 119     ber_bvfree( sync_bvalp );
 120     ch_free( ctrls );
 121
 122     if ( err != LDAP_OPT_SUCCESS )
 123         fprintf( stderr, "Could not set controls : %d\n", err );
 124
 125         timeout.tv_sec = si->tlimit > 0 ? si->tlimit : 1;
 126
 127         rc = ldap_search_ext( ld, si->base, si->scope, si->filterstr,
 128                                                   si->attrs, si->attrsonly, sctrls, cctrls,
 129                                                   si->tlimit < 0 ? NULL : &timeout,
 130                                                   si->slimit, msgidp );
 131
 132         return rc;
 133 }
 134
 135 void *
 136 do_syncrepl(
 137         void    *ctx,
 138         void    *arg )
 139 {
 140         struct re_s* rtask = arg;
 141         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
 142         Backend *be = si->be;
 143
 144         SlapReply       rs = {REP_RESULT};
 145
 146         LDAPControl     c[2];
 147         LDAPControl     **sctrls = NULL;
 148         LDAPControl     **rctrls = NULL;
 149         LDAPControl     *rctrlp = NULL;
 150         BerElement      *sync_ber = NULL;
 151         struct berval   *sync_bvalp = NULL;
 152
 153         BerElement      *ctrl_ber = NULL;
 154         BerElement      *res_ber = NULL;
 155
 156         LDAP    *ld = NULL;
 157         LDAPMessage     *res = NULL;
 158         LDAPMessage     *msg = NULL;
 159
 160         ber_int_t       msgid;
 161
 162         int             nresponses, nreferences, nextended, npartial;
 163         int             nresponses_psearch;
 164
 165         int             cancel_msgid = -1;
 166         char            *retoid = NULL;
 167         struct berval   *retdata = NULL;
 168
 169         int             sync_info_arrived = 0;
 170         Entry           *entry = NULL;
 171
 172         int             syncstate;
 173         struct berval   syncUUID = { 0, NULL };
 174         struct berval   syncCookie = { 0, NULL };
 175         struct berval   syncCookie_req = { 0, NULL };
 176
 177         int     rc;
 178         int     err;
 179         ber_len_t       len;
 180         int     syncinfo_arrived = 0;
 181
 182         char **tmp = NULL;
 183         AttributeDescription** descs = NULL;
 184
 185         Connection conn;
 186         Operation op = {0};
 187         slap_callback   cb;
 188
 189         void *memctx = NULL;
 190         ber_len_t memsiz;
 191
 192         int i, j, k, n;
 193         int rc_efree;
 194
 195         struct berval base_bv = { 0, NULL };
 196         struct berval pbase = { 0, NULL };
 197         struct berval nbase = { 0, NULL };
 198         struct berval sub_bv = { 0, NULL };
 199         struct berval psubrdn = { 0, NULL };
 200         struct berval nsubrdn = { 0, NULL };
 201         struct berval psub = { 0, NULL };
 202         struct berval nsub = { 0, NULL };
 203         char substr[64];
 204         Modifications   *modlist = NULL;
 205         Modifications   *ml, *mlnext;
 206         char *def_filter_str = NULL;
 207
 208         const char              *text;
 209         int                             match;
 210
 211         struct timeval *tout_p = NULL;
 212         struct timeval tout = { 10, 0 };
 213
 214 #ifdef NEW_LOGGING
 215         LDAP_LOG ( OPERATION, DETAIL1, "do_syncrepl\n", 0, 0, 0 );
 216 #else
 217         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl\n", 0, 0, 0 );
 218 #endif
 219
 220         if ( si == NULL )
 221                 return NULL;
 222
 223         if ( abs(si->type) != LDAP_SYNC_REFRESH_ONLY &&
 224              abs(si->type) != LDAP_SYNC_REFRESH_AND_PERSIST ) {
 225                 return NULL;
 226         }
 227
 228         si->sync_mode = LDAP_SYNC_STATE_MODE;
 229
 230         /* Init connection to master */
 231
 232         rc = ldap_initialize( &ld, si->provideruri );
 233         if ( rc != LDAP_SUCCESS ) {
 234 #ifdef NEW_LOGGING
 235                 LDAP_LOG( OPERATION, ERR, "do_syncrepl: "
 236                         "ldap_initialize failed (%s)\n",
 237                         si->provideruri, 0, 0 );
 238 #else
 239                 Debug( LDAP_DEBUG_ANY, "do_syncrepl: "
 240                         "ldap_initialize failed (%s)\n",
 241                         si->provideruri, 0, 0 );
 242 #endif
 243         }
 244
 245         op.o_protocol = LDAP_VERSION3;
 246         ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &op.o_protocol );
 247
 248         /* Bind to master */
 249
 250         if ( si->tls ) {
 251                 rc = ldap_start_tls_s( ld, NULL, NULL );
 252                 if( rc != LDAP_SUCCESS ) {
 253 #ifdef NEW_LOGGING
 254                         LDAP_LOG ( OPERATION, ERR, "do_syncrepl: "
 255                                 "%s: ldap_start_tls failed (%d)\n",
 256                                 si->tls == TLS_CRITICAL ? "Error" : "Warning",
 257                                 rc, 0 );
 258 #else
 259                         Debug( LDAP_DEBUG_ANY,
 260                                 "%s: ldap_start_tls failed (%d)\n",
 261                                 si->tls == TLS_CRITICAL ? "Error" : "Warning",
 262                                 rc, 0 );
 263 #endif
 264                         if( si->tls == TLS_CRITICAL )
 265                                 return NULL;
 266                 }
 267         }
 268
 269         if ( si->bindmethod == LDAP_AUTH_SASL ) {
 270 #ifdef HAVE_CYRUS_SASL
 271                 void *defaults;
 272
 273                 if ( si->secprops != NULL ) {
 274                         int err = ldap_set_option( ld,
 275                                         LDAP_OPT_X_SASL_SECPROPS, si->secprops);
 276
 277                         if( err != LDAP_OPT_SUCCESS ) {
 278 #ifdef NEW_LOGGING
 279                                 LDAP_LOG ( OPERATION, ERR, "do_bind: Error: "
 280                                         "ldap_set_option(%s,SECPROPS,\"%s\") failed!\n",
 281                                         si->provideruri, si->secprops, 0 );
 282 #else
 283                                 Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
 284                                         "(%s,SECPROPS,\"%s\") failed!\n",
 285                                         si->provideruri, si->secprops, NULL );
 286 #endif
 287                                 return NULL;
 288                         }
 289                 }
 290
 291                 defaults = lutil_sasl_defaults( ld,
 292                                 si->saslmech,
 293                                 si->realm,
 294                                 si->authcId,
 295                                 si->passwd,
 296                                 si->authzId );
 297
 298                 rc = ldap_sasl_interactive_bind_s( ld,
 299                                 si->binddn,
 300                                 si->saslmech,
 301                                 NULL, NULL,
 302                                 LDAP_SASL_QUIET,
 303                                 lutil_sasl_interact,
 304                                 defaults );
 305
 306                 /* FIXME : different error behaviors according to
 307                         1) return code
 308                         2) on err policy : exit, retry, backoff ...
 309                 */
 310                 if ( rc != LDAP_SUCCESS ) {
 311 #ifdef NEW_LOGGING
 312                         LDAP_LOG ( OPERATION, ERR, "do_syncrepl: "
 313                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 314                                 rc, 0, 0 );
 315 #else
 316                         Debug( LDAP_DEBUG_ANY, "do_syncrepl: "
 317                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 318                                 rc, 0, 0 );
 319 #endif
 320                         return NULL;
 321                 }
 322 #else /* HAVE_CYRUS_SASL */
 323                 fprintf( stderr, "not compiled with SASL support\n" );
 324                 return NULL;
 325 #endif
 326         } else {
 327                 rc = ldap_bind_s( ld, si->binddn, si->passwd, si->bindmethod );
 328                 if ( rc != LDAP_SUCCESS ) {
 329 #ifdef NEW_LOGGING
 330                         LDAP_LOG ( OPERATION, ERR, "do_syncrepl: "
 331                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 332 #else
 333                         Debug( LDAP_DEBUG_ANY, "do_syncrepl: "
 334                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 335 #endif
 336                         return NULL;
 337                 }
 338         }
 339
 340         /* set thread context in syncinfo */
 341         si->ctx = ctx;
 342
 343         /* set memory context */
 344 #define SLAB_SIZE 1048576
 345         memsiz = SLAB_SIZE;
 346         memctx = sl_mem_create( memsiz, ctx );
 347         op.o_tmpmemctx = memctx;
 348         op.o_tmpmfuncs = &sl_mfuncs;
 349
 350         op.o_si = si;
 351         op.o_tag = LDAP_REQ_SEARCH;
 352         op.o_dn = si->updatedn;
 353         op.o_ndn = si->updatedn;
 354         op.o_callback = &cb;
 355         op.o_time = slap_get_time();
 356         op.o_managedsait = 1;
 357         op.o_threadctx = si->ctx;
 358         op.o_bd = be;
 359         op.o_conn = &conn;
 360         op.o_connid = op.o_conn->c_connid;
 361         op.ors_scope = LDAP_SCOPE_BASE;
 362         op.ors_deref = LDAP_DEREF_NEVER;
 363         op.ors_slimit = 0;
 364         op.ors_tlimit = 0;
 365         op.ors_attrsonly = 0;
 366         op.ors_attrs = NULL;
 367         op.ors_filter = str2filter( def_filter_str = "(objectClass=*)" );
 368         ber_str2bv( def_filter_str, strlen( def_filter_str ), 1,
 369                                 &op.ors_filterstr );
 370
 371         si->conn = &conn;
 372         conn.c_send_ldap_result = slap_send_ldap_result;
 373         conn.c_send_search_entry = slap_send_search_entry;
 374         conn.c_send_search_reference = slap_send_search_reference;
 375
 376         /* get syncrepl cookie of shadow replica from subentry */
 377         ber_str2bv( si->base, strlen(si->base), 1, &base_bv );
 378         dnPrettyNormal( 0, &base_bv, &pbase, &nbase, op.o_tmpmemctx );
 379
 380         sprintf( substr, "cn=syncrepl%d", si->id );
 381         ber_str2bv( substr, strlen(substr), 1, &sub_bv );
 382         dnPrettyNormal( 0, &sub_bv, &psubrdn, &nsubrdn, op.o_tmpmemctx );
 383
 384         build_new_dn( &op.o_req_dn, &pbase, &psubrdn );
 385         build_new_dn( &op.o_req_ndn, &nbase, &nsubrdn );
 386
 387         ch_free( base_bv.bv_val );
 388         ch_free( pbase.bv_val );
 389         ch_free( nbase.bv_val );
 390         ch_free( sub_bv.bv_val );
 391         ch_free( psubrdn.bv_val );
 392         ch_free( nsubrdn.bv_val );
 393
 394         /* set callback function */
 395         cb.sc_response = cookie_callback;
 396         cb.sc_private = si;
 397
 398         /* search subentry to retrieve cookie */
 399         si->syncCookie = NULL;
 400         be->be_search( &op, &rs );
 401
 402         ber_dupbv( &syncCookie_req, si->syncCookie );
 403
 404         ch_free( op.o_req_dn.bv_val );
 405         ch_free( op.o_req_ndn.bv_val );
 406         filter_free( op.ors_filter );
 407         ch_free( op.ors_filterstr.bv_val );
 408
 409         psub = be->be_nsuffix[0];
 410
 411         for ( n = 0; si->attrs[ n ] != NULL; n++ ) ;
 412
 413         if ( n != 0 ) {
 414                 /* Delete Attributes */
 415                 descs = sync_descs;
 416                 for ( i = 0; descs[i] != NULL; i++ ) {
 417                         for ( j = 0; si->attrs[j] != NULL; j++ ) {
 418                                 if ( !strcmp( si->attrs[j], descs[i]->ad_cname.bv_val )) {
 419                                         ch_free( si->attrs[j] );
 420                                         for ( k = j; si->attrs[k] != NULL; k++ ) {
 421                                                 si->attrs[k] = si->attrs[k+1];
 422                                         }
 423                                 }
 424                         }
 425                 }
 426                 for ( n = 0; si->attrs[ n ] != NULL; n++ );
 427                 tmp = ( char ** ) ch_realloc( si->attrs, ( n + 4 ) * sizeof( char * ));
 428                 if ( tmp == NULL ) {
 429 #ifdef NEW_LOGGING
 430                         LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
 431 #else
 432                         Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
 433 #endif
 434                 }
 435         } else {
 436                 tmp = ( char ** ) ch_realloc( si->attrs, 5 * sizeof( char * ));
 437                 if ( tmp == NULL ) {
 438 #ifdef NEW_LOGGING
 439                         LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
 440 #else
 441                         Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
 442 #endif
 443                 }
 444                 tmp[ n++ ] = ch_strdup( "*" );
 445         }
 446
 447         descs = sync_descs;
 448         si->attrs = tmp;
 449
 450         /* Add Attributes */
 451
 452         for ( i = 0; descs[ i ] != NULL; i++ ) {
 453                 si->attrs[ n++ ] = ch_strdup ( descs[i]->ad_cname.bv_val );
 454                 si->attrs[ n ] = NULL;
 455         }
 456
 457         rc = ldap_sync_search( si, ld, NULL, NULL, &msgid );
 458         if( rc != LDAP_SUCCESS ) {
 459                 fprintf( stderr, "syncrepl: ldap_search_ext: %s (%d)\n",
 460                                                         ldap_err2string( rc ), rc );
 461                 return NULL;
 462         }
 463
 464         if ( abs(si->type) == LDAP_SYNC_REFRESH_AND_PERSIST ){
 465                 tout_p = &tout;
 466         } else {
 467                 tout_p = NULL;
 468         }
 469
 470         while (( rc = ldap_result( ld, LDAP_RES_ANY, LDAP_MSG_ONE, tout_p, &res )) >= 0 ) {
 471
 472                 if ( rc == 0 ) {
 473                         if ( slapd_abrupt_shutdown ) {
 474                                 break;
 475                         } else {
 476                                 continue;
 477                         }
 478                 }
 479
 480                 for ( msg = ldap_first_message( ld, res );
 481                       msg != NULL;
 482                       msg = ldap_next_message( ld, msg ) )
 483                 {
 484                         syncCookie.bv_len = 0; syncCookie.bv_val = NULL;
 485                         switch( ldap_msgtype( msg ) ) {
 486                         case LDAP_RES_SEARCH_ENTRY:
 487                                 entry = syncrepl_message_to_entry( si, ld, &op, msg,
 488                                         &modlist, &syncstate, &syncUUID, &syncCookie );
 489                                 rc_efree = syncrepl_entry( si, ld, &op, entry, modlist,
 490                                                 syncstate, &syncUUID, &syncCookie, !syncinfo_arrived );
 491                                 if ( syncCookie.bv_len ) {
 492                                         syncrepl_updateCookie( si, ld, &op, &psub, &syncCookie );
 493                                 }
 494                                 if ( rc_efree )
 495                                         entry_free( entry );
 496                                 for ( ml = modlist; ml != NULL; ml = mlnext ) {
 497                                         mlnext = ml->sml_next;
 498                                         ber_memfree( ml );
 499                                 }
 500                                 break;
 501
 502                         case LDAP_RES_SEARCH_REFERENCE:
 503 #ifdef NEW_LOGGING
 504                                 LDAP_LOG( OPERATION, ERR,
 505                                         "do_syncrepl : reference received\n", 0, 0, 0 );
 506 #else
 507                                 Debug( LDAP_DEBUG_ANY,
 508                                         "do_syncrepl : reference received\n", 0, 0, 0 );
 509 #endif
 510                                 break;
 511
 512                         case LDAP_RES_SEARCH_RESULT:
 513                                 ldap_parse_result( ld, msg, &err, NULL, NULL, NULL, &rctrls, 0 );
 514                                 if ( rctrls ) {
 515                                         rctrlp = *rctrls;
 516                                         ctrl_ber = ber_alloc_t( LBER_USE_DER );
 517                                         ber_set_option( ctrl_ber, LBER_OPT_BER_MEMCTX, &op.o_tmpmemctx );
 518                                         ber_write( ctrl_ber, rctrlp->ldctl_value.bv_val, rctrlp->ldctl_value.bv_len, 0 );
 519                                         ber_reset( ctrl_ber, 1 );
 520
 521                                         ber_scanf( ctrl_ber, "{" /*"}"*/);
 522                                         if ( ber_peek_tag( ctrl_ber, &len )
 523                                                 == LDAP_SYNC_TAG_COOKIE ) {
 524                                                 ber_scanf( ctrl_ber, "o", &syncCookie );
 525                                         }
 526                                 }
 527                                 value_match( &match, slap_schema.si_ad_entryCSN,
 528                                                         slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 529                                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 530                                                         &syncCookie_req, &syncCookie, &text );
 531                                 if (si->type == LDAP_SYNC_REFRESH_AND_PERSIST) {
 532                                         /* FIXME : different error behaviors according to
 533                                                 1) err code : LDAP_BUSY ...
 534                                                 2) on err policy : stop service, stop sync, retry
 535                                         */
 536                                         if ( syncCookie.bv_len && match < 0) {
 537                                                 syncrepl_updateCookie( si, ld, &op, &psub, &syncCookie );
 538                                         }
 539                                         if ( ctrl_ber )
 540                                                 ber_free( ctrl_ber, 1 );
 541                                         goto done;
 542                                 } else {
 543                                         /* FIXME : different error behaviors according to
 544                                                 1) err code : LDAP_BUSY ...
 545                                                 2) on err policy : stop service, stop sync, retry
 546                                         */
 547                                         if ( syncCookie.bv_len && match < 0 ) {
 548                                                 syncrepl_updateCookie( si, ld, &op, &psub, &syncCookie);
 549                                         }
 550                                         if ( si->sync_mode == LDAP_SYNC_STATE_MODE && match < 0 ) {
 551                                                         syncrepl_del_nonpresent( ld, &op );
 552                                         }
 553                                         if ( ctrl_ber )
 554                                                 ber_free( ctrl_ber, 1 );
 555                                         goto done;
 556                                 }
 557                                 break;
 558
 559                         case LDAP_RES_INTERMEDIATE:
 560                                 rc = ldap_parse_intermediate( ld, msg,
 561                                         &retoid, &retdata, NULL, 0 );
 562                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 563                                         sync_info_arrived = 1;
 564                                         res_ber = ber_init( retdata );
 565                                         ber_scanf( res_ber, "{e" /*"}"*/, &syncstate );
 566
 567                                         if ( ber_peek_tag( res_ber, &len )
 568                                                                 == LDAP_SYNC_TAG_COOKIE ) {
 569                                                 ber_scanf( res_ber, /*"{"*/ "o}", &syncCookie );
 570                                         } else {
 571                                                 if ( syncstate == LDAP_SYNC_NEW_COOKIE ) {
 572 #ifdef NEW_LOGGING
 573                                                         LDAP_LOG( OPERATION, ERR,
 574                                                                 "do_syncrepl : cookie required\n", 0, 0, 0 );
 575 #else
 576                                                         Debug( LDAP_DEBUG_ANY,
 577                                                                 "do_syncrepl : cookie required\n", 0, 0, 0 );
 578 #endif
 579                                                 }
 580                                         }
 581
 582                                         value_match( &match, slap_schema.si_ad_entryCSN,
 583                                                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 584                                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 585                                                                 &syncCookie_req, &syncCookie, &text );
 586
 587                                         if ( syncCookie.bv_len && match < 0 ) {
 588                                                 syncrepl_updateCookie( si, ld, &op, &psub, &syncCookie);
 589                                         }
 590
 591                                         if ( syncstate == LDAP_SYNC_STATE_MODE_DONE ) {
 592                                                 if ( match < 0 ) {
 593                                                         syncrepl_del_nonpresent( ld, &op );
 594                                                 }
 595                                                 si->sync_mode = LDAP_SYNC_LOG_MODE;
 596                                         } else if ( syncstate == LDAP_SYNC_LOG_MODE_DONE ) {
 597                                                 si->sync_mode = LDAP_SYNC_PERSIST_MODE;
 598                                         } else if ( syncstate == LDAP_SYNC_REFRESH_DONE ) {
 599                                                 si->sync_mode = LDAP_SYNC_PERSIST_MODE;
 600                                         } else if ( syncstate != LDAP_SYNC_NEW_COOKIE ||
 601                                                                 syncstate != LDAP_SYNC_LOG_MODE_DONE ) {
 602 #ifdef NEW_LOGGING
 603                                                 LDAP_LOG( OPERATION, ERR,
 604                                                         "do_syncrepl : unknown sync info\n", 0, 0, 0 );
 605 #else
 606                                                 Debug( LDAP_DEBUG_ANY,
 607                                                         "do_syncrepl : unknown sync info\n", 0, 0, 0 );
 608 #endif
 609                                         }
 610
 611                                         ldap_memfree( retoid );
 612                                         ber_bvfree( retdata );
 613                                         ber_free( res_ber, 1 );
 614                                         break;
 615                                 } else {
 616 #ifdef NEW_LOGGING
 617                                         LDAP_LOG( OPERATION, ERR,"do_syncrepl :"
 618                                                 " unknown intermediate "
 619                                                 "response\n", 0, 0, 0 );
 620 #else
 621                                         Debug( LDAP_DEBUG_ANY, "do_syncrepl : "
 622                                                 "unknown intermediate response (%d)\n",
 623                                                 rc, 0, 0 );
 624 #endif
 625                                         ldap_memfree( retoid );
 626                                         ber_bvfree( retdata );
 627                                         break;
 628                                 }
 629                                 break;
 630                         default:
 631 #ifdef NEW_LOGGING
 632                                 LDAP_LOG( OPERATION, ERR, "do_syncrepl : "
 633                                         "unknown message\n", 0, 0, 0 );
 634 #else
 635                                 Debug( LDAP_DEBUG_ANY, "do_syncrepl : "
 636                                         "unknown message\n", 0, 0, 0 );
 637 #endif
 638                                 break;
 639
 640                         }
 641                 }
 642                 ldap_msgfree( res );
 643         }
 644
 645         if ( rc == -1 ) {
 646 #ifdef NEW_LOGGING
 647                 LDAP_LOG( OPERATION, ERR,
 648                         "do_syncrepl : unknown result\n", 0, 0, 0 );
 649 #else
 650                 Debug( LDAP_DEBUG_ANY,
 651                         "do_syncrepl : unknown result\n", 0, 0, 0 );
 652 #endif
 653         }
 654
 655 done:
 656         if ( syncCookie.bv_val )
 657                 ch_free( syncCookie.bv_val );
 658         if ( syncCookie_req.bv_val )
 659                 ch_free( syncCookie_req.bv_val );
 660         if ( syncUUID.bv_val )
 661                 ch_free( syncUUID.bv_val );
 662
 663         if ( res )
 664                 ldap_msgfree( res );
 665
 666         ldap_unbind( ld );
 667
 668         ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
 669         ldap_pvt_runqueue_stoptask( &syncrepl_rq, rtask );
 670         if ( si->type == LDAP_SYNC_REFRESH_ONLY ) {
 671                 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
 672         } else {
 673                 ldap_pvt_runqueue_remove( &syncrepl_rq, rtask );
 674         }
 675         ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
 676
 677         return NULL;
 678 }
 679
 680 Entry*
 681 syncrepl_message_to_entry(
 682         syncinfo_t      *si,
 683         LDAP            *ld,
 684         Operation       *op,
 685         LDAPMessage     *msg,
 686         Modifications   **modlist,
 687         int             *syncstate,
 688         struct berval   *syncUUID,
 689         struct berval   *syncCookie
 690 )
 691 {
 692         Entry           *e;
 693         BerElement      *ber = NULL;
 694         BerElement      *tmpber;
 695         struct berval   bv = {0, NULL};
 696         Modifications   tmp;
 697         Modifications   *mod;
 698         Modifications   **modtail = modlist;
 699         Backend         *be = op->o_bd;
 700
 701         const char      *text;
 702         char txtbuf[SLAP_TEXT_BUFLEN];
 703         size_t textlen = sizeof txtbuf;
 704
 705         struct berval   **bvals = NULL;
 706         char            *dn;
 707         struct berval   bdn = {0, NULL};
 708         Attribute       *attr;
 709         struct berval   empty_bv = { 0, NULL };
 710         int             rc;
 711         char            *a;
 712
 713         ber_len_t       len;
 714         LDAPControl*    rctrlp;
 715         LDAPControl**   rctrls = NULL;
 716         BerElement*     ctrl_ber;
 717
 718         ber_tag_t       tag;
 719
 720         Modifications *ml = NULL;
 721         AttributeDescription** descs;
 722         int i;
 723
 724         *modlist = NULL;
 725
 726         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
 727 #ifdef NEW_LOGGING
 728                 LDAP_LOG( OPERATION, ERR,
 729                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
 730 #else
 731                 Debug( LDAP_DEBUG_ANY,
 732                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
 733 #endif
 734                 return NULL;
 735         }
 736
 737         op->o_tag = LDAP_REQ_ADD;
 738
 739         rc = ldap_get_dn_ber( ld, msg, &ber, &bdn );
 740
 741         if ( rc != LDAP_SUCCESS ) {
 742 #ifdef NEW_LOGGING
 743                 LDAP_LOG( OPERATION, ERR,
 744                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
 745 #else
 746                 Debug( LDAP_DEBUG_ANY,
 747                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
 748 #endif
 749                 return NULL;
 750         }
 751
 752         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
 753         dnPrettyNormal( NULL, &bdn, &e->e_name, &e->e_nname, NULL );
 754
 755         e->e_attrs = NULL;
 756
 757         while ( ber_remaining( ber ) ) {
 758                 tag = ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values );
 759
 760                 if ( tag == LBER_ERROR ) break;
 761                 if ( tmp.sml_type.bv_val == NULL ) break;
 762
 763                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ));
 764
 765                 mod->sml_op = LDAP_MOD_REPLACE;
 766                 mod->sml_next = NULL;
 767                 mod->sml_desc = NULL;
 768                 mod->sml_type = tmp.sml_type;
 769                 mod->sml_bvalues = tmp.sml_bvalues;
 770                 mod->sml_nvalues = NULL;
 771
 772                 *modtail = mod;
 773                 modtail = &mod->sml_next;
 774         }
 775
 776         if ( ber_scanf( ber, "}") == LBER_ERROR ) {
 777 #ifdef NEW_LOGGING
 778                 LDAP_LOG( OPERATION, ERR,
 779                                 "syncrepl_message_to_entry: ber_scanf failed\n", 0, 0, 0 );
 780 #else
 781                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: ber_scanf failed\n",
 782                                 0, 0, 0 );
 783 #endif
 784                 return NULL;
 785         }
 786
 787         ber_free( ber, 0 );
 788         tmpber = ldap_get_message_ber( msg );
 789         ber = ber_dup( tmpber );
 790
 791         ber_scanf( ber, "{xx" );
 792
 793         rc = ldap_int_get_controls( ber, &rctrls );
 794
 795         if ( rc != LDAP_SUCCESS ) {
 796 #ifdef NEW_LOGGING
 797                 LDAP_LOG( OPERATION, ERR,
 798                         "syncrepl_message_to_entry : control get failed (%d)", rc, 0, 0 );
 799 #else
 800                 Debug( LDAP_DEBUG_ANY,
 801                         "syncrepl_message_to_entry : control get failed (%d)", rc, 0, 0 );
 802 #endif
 803                 return NULL;
 804         }
 805
 806         if ( rctrls ) {
 807                 rctrlp = *rctrls;
 808                 ctrl_ber = ber_alloc_t( LBER_USE_DER );
 809                 ber_set_option( ctrl_ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 810                 ber_write( ctrl_ber, rctrlp->ldctl_value.bv_val, rctrlp->ldctl_value.bv_len, 0 );
 811                 ber_reset( ctrl_ber, 1 );
 812                 ber_scanf( ctrl_ber, "{eo", syncstate, syncUUID );
 813                 if ( ber_peek_tag( ctrl_ber, &len ) == LDAP_SYNC_TAG_COOKIE ) {
 814                         ber_scanf( ctrl_ber, "o}", syncCookie );
 815                 }
 816                 ber_free( ctrl_ber, 1 );
 817         } else {
 818 #ifdef NEW_LOGGING
 819                 LDAP_LOG( OPERATION, ERR,"syncrepl_message_to_entry : "
 820                         " rctrls absent\n", 0, 0, 0 );
 821 #else
 822                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry :"
 823                         " rctrls absent\n", 0, 0, 0 );
 824 #endif
 825         }
 826
 827         if ( *syncstate == LDAP_SYNC_PRESENT ) {
 828                 e = NULL;
 829                 goto done;
 830         } else if ( *syncstate == LDAP_SYNC_DELETE ) {
 831                 goto done;
 832         }
 833
 834         if ( *modlist == NULL ) {
 835 #ifdef NEW_LOGGING
 836                 LDAP_LOG( OPERATION, ERR,
 837                                 "syncrepl_message_to_entry: no attributes\n", 0, 0, 0 );
 838 #else
 839                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: no attributes\n",
 840                                 0, 0, 0 );
 841 #endif
 842         }
 843
 844         ml = *modlist;
 845         while ( ml != NULL ) {
 846                 AttributeDescription *ad = NULL;
 847         rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, &text );
 848
 849                 if( rc != LDAP_SUCCESS ) {
 850                         e = NULL;
 851                         goto done;
 852                 }
 853
 854                 ad = ml->sml_desc;
 855                 ml->sml_desc = NULL;
 856                 ml = ml->sml_next;
 857         }
 858
 859         rc = slap_mods_check( *modlist, 1, &text, txtbuf, textlen, NULL );
 860
 861         if ( rc != LDAP_SUCCESS ) {
 862 #ifdef NEW_LOGGING
 863                 LDAP_LOG( OPERATION, ERR,
 864                                 "syncrepl_message_to_entry: mods check (%s)\n", text, 0, 0 );
 865 #else
 866                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods check (%s)\n",
 867                                 text, 0, 0 );
 868 #endif
 869                 return NULL;
 870         }
 871
 872         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
 873         if( rc != LDAP_SUCCESS ) {
 874 #ifdef NEW_LOGGING
 875                 LDAP_LOG( OPERATION, ERR,
 876                                 "syncrepl_message_to_entry: mods2entry (%s)\n", text, 0, 0 );
 877 #else
 878                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods2entry (%s)\n",
 879                                 text, 0, 0 );
 880 #endif
 881         }
 882
 883 done:
 884
 885         ber_free ( ber, 0 );
 886
 887         return e;
 888 }
 889
 890 int
 891 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
 892 {
 893         const struct berval *uuid1 = v_uuid1;
 894         const struct berval *uuid2 = v_uuid2;
 895         int rc = uuid1->bv_len - uuid2->bv_len;
 896         if ( rc ) return rc;
 897         return ( strcmp( uuid1->bv_val, uuid2->bv_val ) );
 898 }
 899
 900 int
 901 syncrepl_entry(
 902         syncinfo_t* si,
 903         LDAP *ld,
 904         Operation *op,
 905         Entry* e,
 906         Modifications* modlist,
 907         int syncstate,
 908         struct berval* syncUUID,
 909         struct berval* syncCookie,
 910         int refresh
 911 )
 912 {
 913         Backend *be = op->o_bd;
 914         slap_callback   cb;
 915         struct berval   csn_bv = {0, NULL};
 916         struct berval   *syncuuid_bv = NULL;
 917         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 918
 919         SlapReply       rs = {REP_RESULT};
 920         int rc = LDAP_SUCCESS;
 921
 922         struct berval base_bv = {0, NULL};
 923
 924         char *filterstr;
 925         Filter *filter;
 926
 927         Attribute *a;
 928
 929         if ( refresh &&
 930                         ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD )) {
 931                 syncuuid_bv = ber_dupbv( NULL, syncUUID );
 932                 avl_insert( &si->presentlist, (caddr_t) syncuuid_bv,
 933                                                 syncuuid_cmp, avl_dup_error );
 934         }
 935
 936         if ( syncstate == LDAP_SYNC_PRESENT ) {
 937                 if ( e )
 938                         return 1;
 939                 else
 940                         return 0;
 941         }
 942
 943         filterstr = (char *) sl_malloc( strlen("entryUUID=") + syncUUID->bv_len + 1,
 944                                                                         op->o_tmpmemctx );
 945         strcpy( filterstr, "entryUUID=" );
 946         strcat( filterstr, syncUUID->bv_val );
 947
 948         si->e = e;
 949         si->syncUUID = syncUUID;
 950         si->syncUUID_ndn = NULL;
 951
 952         filter = str2filter( filterstr );
 953         ber_str2bv( filterstr, strlen(filterstr), 1, &op->ors_filterstr );
 954         ch_free( filterstr );
 955         op->ors_filter = filter;
 956         op->ors_scope = LDAP_SCOPE_SUBTREE;
 957
 958         /* get syncrepl cookie of shadow replica from subentry */
 959         ber_str2bv( si->base, strlen(si->base), 1, &base_bv );
 960         dnPrettyNormal( 0, &base_bv, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
 961         ch_free( base_bv.bv_val );
 962
 963         /* set callback function */
 964         op->o_callback = &cb;
 965         cb.sc_response = dn_callback;
 966         cb.sc_private = si;
 967
 968         si->syncUUID_ndn = NULL;
 969
 970         rc = be->be_search( op, &rs );
 971
 972         ch_free( op->o_req_dn.bv_val );
 973         ch_free( op->o_req_ndn.bv_val );
 974         filter_free( op->ors_filter );
 975         ch_free( op->ors_filterstr.bv_val );
 976
 977         cb.sc_response = null_callback;
 978         cb.sc_private = si;
 979
 980         if ( rc == LDAP_SUCCESS && si->syncUUID_ndn && si->sync_mode != LDAP_SYNC_LOG_MODE ) {
 981                 op->o_req_dn = *si->syncUUID_ndn;
 982                 op->o_req_ndn = *si->syncUUID_ndn;
 983                 op->o_tag = LDAP_REQ_DELETE;
 984                 rc = be->be_delete( op, &rs );
 985         }
 986
 987         if ( si->syncUUID_ndn ) {
 988                 ber_bvfree( si->syncUUID_ndn );
 989         }
 990
 991         switch ( syncstate ) {
 992         case LDAP_SYNC_ADD :
 993         case LDAP_SYNC_MODIFY :
 994
 995                 if ( rc == LDAP_SUCCESS ||
 996                          rc == LDAP_REFERRAL ||
 997                          rc == LDAP_NO_SUCH_OBJECT ) {
 998
 999                         attr_delete( &e->e_attrs, slap_schema.si_ad_entryUUID );
1000                         attr_merge_normalize_one( e, slap_schema.si_ad_entryUUID, syncUUID, op->o_tmpmemctx );
1001
1002                         op->o_tag = LDAP_REQ_ADD;
1003                         op->ora_e = e;
1004                         op->o_req_dn = e->e_name;
1005                         op->o_req_ndn = e->e_nname;
1006                         rc = be->be_add( op, &rs );
1007
1008                         if ( rc != LDAP_SUCCESS ) {
1009                                 if ( rc == LDAP_ALREADY_EXISTS ) {
1010                                         op->o_tag = LDAP_REQ_MODIFY;
1011                                         op->orm_modlist = modlist;
1012                                         op->o_req_dn = e->e_name;
1013                                         op->o_req_ndn = e->e_nname;
1014                                         rc = be->be_modify( op, &rs );
1015                                         si->e = NULL;
1016                                         if ( rc != LDAP_SUCCESS ) {
1017 #ifdef NEW_LOGGING
1018                                                 LDAP_LOG( OPERATION, ERR,
1019                                                         "syncrepl_entry : be_modify failed (%d)\n",
1020                                                         rc, 0, 0 );
1021 #else
1022                                                 Debug( LDAP_DEBUG_ANY,
1023                                                         "syncrepl_entry : be_modify failed (%d)\n",
1024                                                         rc, 0, 0 );
1025 #endif
1026                                                 return 1;
1027                                         }
1028                                         return 0;
1029                                 } else if ( rc == LDAP_REFERRAL ||
1030                                                         rc == LDAP_NO_SUCH_OBJECT ) {
1031                                         syncrepl_add_glue( si, ld, op, e,
1032                                                 modlist, syncstate,
1033                                                 syncUUID, syncCookie);
1034                                         si->e = NULL;
1035                                         return 0;
1036                                 } else {
1037 #ifdef NEW_LOGGING
1038                                         LDAP_LOG( OPERATION, ERR,
1039                                                 "syncrepl_entry : be_add failed (%d)\n",
1040                                                 rc, 0, 0 );
1041 #else
1042                                         Debug( LDAP_DEBUG_ANY,
1043                                                 "syncrepl_entry : be_add failed (%d)\n",
1044                                                 rc, 0, 0 );
1045 #endif
1046                                         si->e = NULL;
1047                                         return 1;
1048                                 }
1049                         } else {
1050                                 si->e = NULL;
1051                                 be_entry_release_w( op, e );
1052                                 return 0;
1053                         }
1054                 } else {
1055 #ifdef NEW_LOGGING
1056                         LDAP_LOG( OPERATION, ERR,
1057                                 "syncrepl_entry : be_search failed (%d)\n", rc, 0, 0 );
1058 #else
1059                         Debug( LDAP_DEBUG_ANY,
1060                                 "syncrepl_entry : be_search failed (%d)\n", rc, 0, 0 );
1061 #endif
1062                         si->e = NULL;
1063                         return 1;
1064                 }
1065
1066         case LDAP_SYNC_DELETE :
1067                 if ( si->sync_mode == LDAP_SYNC_LOG_MODE ) {
1068                         op->o_req_dn = *si->syncUUID_ndn;
1069                         op->o_req_ndn = *si->syncUUID_ndn;
1070                         op->o_tag = LDAP_REQ_DELETE;
1071                         rc = be->be_delete( op, &rs );
1072                 }
1073                 /* Already deleted otherwise */
1074                 return 1;
1075
1076         default :
1077 #ifdef NEW_LOGGING
1078                 LDAP_LOG( OPERATION, ERR,
1079                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1080 #else
1081                 Debug( LDAP_DEBUG_ANY,
1082                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1083 #endif
1084                 return 1;
1085         }
1086 }
1087
1088 static void
1089 syncrepl_del_nonpresent(
1090         LDAP *ld,
1091         Operation *op
1092 )
1093 {
1094         Backend* be = op->o_bd;
1095         syncinfo_t *si = op->o_si;
1096         slap_callback   cb;
1097         struct berval   base_bv = {0, NULL};
1098         Filter *filter;
1099         SlapReply       rs = {REP_RESULT};
1100         struct berval   filterstr_bv = {0, NULL};
1101         struct nonpresent_entry *np_list, *np_prev;
1102
1103         ber_str2bv( si->base, strlen(si->base), 1, &base_bv );
1104         dnPrettyNormal(0, &base_bv, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
1105         ch_free( base_bv.bv_val );
1106
1107         filter = str2filter( si->filterstr );
1108
1109         cb.sc_response = nonpresent_callback;
1110         cb.sc_private = si;
1111
1112         op->o_callback = &cb;
1113         op->o_tag = LDAP_REQ_SEARCH;
1114         op->ors_scope = si->scope;
1115         op->ors_deref = LDAP_DEREF_NEVER;
1116         op->ors_slimit = 0;
1117         op->ors_tlimit = 0;
1118         op->ors_attrsonly = 0;
1119         op->ors_attrs = NULL;
1120         op->ors_filter = filter;
1121         ber_str2bv( si->filterstr, strlen( si->filterstr ), 1, &op->ors_filterstr );
1122
1123         be->be_search( op, &rs );
1124
1125         if ( !LDAP_LIST_EMPTY( &si->nonpresentlist ) ) {
1126                 np_list = LDAP_LIST_FIRST( &si->nonpresentlist );
1127                 while ( np_list != NULL ) {
1128                         LDAP_LIST_REMOVE( np_list, np_link );
1129                         np_prev = np_list;
1130                         np_list = LDAP_LIST_NEXT( np_list, np_link );
1131                         op->o_tag = LDAP_REQ_DELETE;
1132                         op->o_callback = &cb;
1133                         cb.sc_response = null_callback;
1134                         cb.sc_private = si;
1135                         op->o_req_dn = *np_prev->dn;
1136                         op->o_req_ndn = *np_prev->ndn;
1137                         op->o_bd->be_delete( op, &rs );
1138                         ber_bvfree( np_prev->dn );
1139                         ber_bvfree( np_prev->ndn );
1140                         op->o_req_dn.bv_val = NULL;
1141                         op->o_req_ndn.bv_val = NULL;
1142                         ch_free( np_prev );
1143                 }
1144         }
1145
1146         if ( op->o_req_dn.bv_val )
1147                 ch_free( op->o_req_dn.bv_val );
1148         if ( op->o_req_ndn.bv_val )
1149                 ch_free( op->o_req_ndn.bv_val );
1150         filter_free( op->ors_filter );
1151         ch_free( op->ors_filterstr.bv_val );
1152
1153         return;
1154 }
1155
1156
1157 void
1158 syncrepl_add_glue(
1159         syncinfo_t *si,
1160         LDAP *ld,
1161         Operation* op,
1162         Entry *e,
1163         Modifications* modlist,
1164         int syncstate,
1165         struct berval* syncUUID,
1166         struct berval* syncCookie
1167 )
1168 {
1169         Backend *be = op->o_bd;
1170         struct berval   uuid_bv = {0, NULL};
1171         slap_callback cb;
1172         Attribute       *a;
1173         int     rc;
1174         char    uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
1175         int levels = 0;
1176         int i, j, k;
1177         struct berval dn = {0, NULL};
1178         struct berval pdn = {0, NULL};
1179         struct berval ndn = {0, NULL};
1180         struct berval rdn = {0, NULL};
1181         Entry   *glue;
1182         SlapReply       rs = {REP_RESULT};
1183         Connection *conn = op->o_conn;
1184         char* ptr;
1185
1186         op->o_tag = LDAP_REQ_ADD;
1187         op->o_callback = &cb;
1188         cb.sc_response = null_callback;
1189         cb.sc_private = si;
1190
1191         ber_dupbv( &dn, &e->e_nname );
1192         ber_dupbv( &pdn, &e->e_nname );
1193
1194         ptr = dn.bv_val;
1195         while ( !be_issuffix ( be, &pdn )) {
1196                 dnParent( &dn, &pdn );
1197                 dn.bv_val = pdn.bv_val;
1198                 dn.bv_len = pdn.bv_len;
1199                 levels++;
1200         }
1201         ch_free( ptr );
1202
1203         for ( i = 0; i <= levels; i++ ) {
1204                 glue = (Entry*) ch_calloc( 1, sizeof(Entry) );
1205                 ber_dupbv( &dn, &e->e_nname );
1206                 j = levels - i;
1207
1208                 ptr = dn.bv_val;
1209                 for ( k = 0; k < j; k++ ) {
1210                         dnParent( &dn, &pdn );
1211                         dn.bv_val = pdn.bv_val;
1212                         dn.bv_len = pdn.bv_len;
1213                 }
1214
1215                 dnPrettyNormal( 0, &dn, &pdn, &ndn, op->o_tmpmemctx );
1216                 ber_dupbv( &glue->e_name, &pdn );
1217                 ber_dupbv( &glue->e_nname, &ndn );
1218                 ch_free( ptr );
1219                 ch_free( pdn.bv_val );
1220                 ch_free( ndn.bv_val );
1221
1222                 a = ch_calloc( 1, sizeof( Attribute ));
1223                 a->a_desc = slap_schema.si_ad_objectClass;
1224
1225                 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
1226                 ber_str2bv( "top", strlen("top"), 1, &a->a_vals[0] );
1227                 ber_str2bv( "glue", strlen("glue"), 1, &a->a_vals[1] );
1228                 a->a_vals[2].bv_len = 0;
1229                 a->a_vals[2].bv_val = NULL;
1230
1231                 a->a_nvals = ch_calloc( 3, sizeof( struct berval ));
1232                 ber_str2bv( "top", strlen("top"), 1, &a->a_nvals[0] );
1233                 ber_str2bv( "glue", strlen("glue"), 1, &a->a_nvals[1] );
1234                 a->a_nvals[2].bv_len = 0;
1235                 a->a_nvals[2].bv_val = NULL;
1236
1237                 a->a_next = glue->e_attrs;
1238                 glue->e_attrs = a;
1239
1240                 a = ch_calloc( 1, sizeof( Attribute ));
1241                 a->a_desc = slap_schema.si_ad_structuralObjectClass;
1242
1243                 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
1244                 ber_str2bv( "glue", strlen("glue"), 1, &a->a_vals[0] );
1245                 a->a_vals[1].bv_len = 0;
1246                 a->a_vals[1].bv_val = NULL;
1247
1248                 a->a_nvals = ch_calloc( 2, sizeof( struct berval ));
1249                 ber_str2bv( "glue", strlen("glue"), 1, &a->a_nvals[0] );
1250                 a->a_nvals[1].bv_len = 0;
1251                 a->a_nvals[1].bv_val = NULL;
1252
1253                 a->a_next = glue->e_attrs;
1254                 glue->e_attrs = a;
1255
1256                 if ( !strcmp( e->e_nname.bv_val, glue->e_nname.bv_val )) {
1257                         op->o_req_dn = e->e_name;
1258                         op->o_req_ndn = e->e_nname;
1259                         op->ora_e = e;
1260                         rc = be->be_add ( op, &rs );
1261                         if ( rc == LDAP_SUCCESS )
1262                                 be_entry_release_w( op, e );
1263                         else
1264                                 entry_free( e );
1265                         entry_free( glue );
1266                 } else {
1267                         op->o_req_dn = glue->e_name;
1268                         op->o_req_ndn = glue->e_nname;
1269                         op->ora_e = glue;
1270                         rc = be->be_add ( op, &rs );
1271                         if ( rc == LDAP_SUCCESS ) {
1272                                 be_entry_release_w( op, glue );
1273                         } else {
1274                         /* incl. ALREADY EXIST */
1275                                 entry_free( glue );
1276                         }
1277                 }
1278         }
1279
1280         return;
1281 }
1282
1283 void
1284 syncrepl_updateCookie(
1285         syncinfo_t *si,
1286         LDAP *ld,
1287         Operation *op,
1288         struct berval *pdn,
1289         struct berval *syncCookie
1290 )
1291 {
1292         Backend *be = op->o_bd;
1293         Modifications *ml;
1294         Modifications *mlnext;
1295         Modifications *mod;
1296         Modifications *modlist;
1297         Modifications **modtail = &modlist;
1298
1299         struct berval* ocbva = NULL;
1300         struct berval* cnbva = NULL;
1301         struct berval* ssbva = NULL;
1302         struct berval* scbva = NULL;
1303
1304         char substr[64];
1305         char rdnstr[67];
1306         const char      *text;
1307         char txtbuf[SLAP_TEXT_BUFLEN];
1308         size_t textlen = sizeof txtbuf;
1309
1310         Entry* e;
1311         int rc;
1312
1313         struct berval sub_bv = { 0, NULL };
1314         struct berval psubrdn = { 0, NULL };
1315
1316         slap_callback cb;
1317         SlapReply       rs = {REP_RESULT};
1318
1319         ocbva = ( struct berval * ) ch_calloc( 4, sizeof( struct berval ));
1320         cnbva = ( struct berval * ) ch_calloc( 2, sizeof( struct berval ));
1321         ssbva = ( struct berval * ) ch_calloc( 2, sizeof( struct berval ));
1322         scbva = ( struct berval * ) ch_calloc( 2, sizeof( struct berval ));
1323
1324         /* update in memory cookie */
1325         if ( si->syncCookie != NULL ) {
1326                 ber_bvfree( si->syncCookie );
1327         }
1328         si->syncCookie = ber_dupbv( NULL, syncCookie );
1329         ber_str2bv( "top", strlen("top"), 1, &ocbva[0] );
1330         ber_str2bv( "subentry", strlen("subentry"), 1, &ocbva[1] );
1331         ber_str2bv( "syncConsumerSubentry",
1332                         strlen("syncConsumerSubentry"), 1, &ocbva[2] );
1333         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1334         mod->sml_op = LDAP_MOD_REPLACE;
1335         ber_str2bv( "objectClass", strlen("objectClass"), 1, &mod->sml_type );
1336         mod->sml_bvalues = ocbva;
1337         *modtail = mod;
1338         modtail = &mod->sml_next;
1339
1340         sprintf( substr, "syncrepl%d", si->id );
1341         sprintf( rdnstr, "cn=%s", substr );
1342         ber_str2bv( substr, strlen( substr ), 1, &cnbva[0] );
1343         ber_str2bv( rdnstr, strlen( rdnstr ), 1, &psubrdn );
1344         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1345         mod->sml_op = LDAP_MOD_REPLACE;
1346         ber_str2bv( "cn", strlen("cn"), 1, &mod->sml_type );
1347         mod->sml_bvalues = cnbva;
1348         *modtail = mod;
1349         modtail = &mod->sml_next;
1350
1351         ber_dupbv( &scbva[0], si->syncCookie );
1352         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1353         mod->sml_op = LDAP_MOD_REPLACE;
1354         ber_str2bv( "syncreplCookie", strlen("syncreplCookie"),
1355                                                 1, &mod->sml_type );
1356         mod->sml_bvalues = scbva;
1357         *modtail = mod;
1358         modtail = &mod->sml_next;
1359
1360         ber_str2bv( "{}", strlen("{}"), 1, &ssbva[0] );
1361         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1362         mod->sml_op = LDAP_MOD_REPLACE;
1363         ber_str2bv( "subtreeSpecification",
1364                         strlen("subtreeSpecification"), 1, &mod->sml_type );
1365         mod->sml_bvalues = ssbva;
1366         *modtail = mod;
1367         modtail = &mod->sml_next;
1368
1369         rc = slap_mods_check( modlist, 1, &text, txtbuf, textlen, NULL );
1370
1371         if ( rc != LDAP_SUCCESS ) {
1372 #ifdef NEW_LOGGING
1373                 LDAP_LOG( OPERATION, ERR,
1374                                 "syncrepl_updateCookie: mods check (%s)\n", text, 0, 0 );
1375 #else
1376                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods check (%s)\n",
1377                          text, 0, 0 );
1378 #endif
1379         }
1380
1381         op->o_tag = LDAP_REQ_ADD;
1382         rc = slap_mods_opattrs( op, modlist, modtail,
1383                                                          &text,txtbuf, textlen );
1384
1385         for ( ml = modlist; ml != NULL; ml = mlnext ) {
1386                 mlnext = ml->sml_next;
1387                 ml->sml_op = LDAP_MOD_REPLACE;
1388         }
1389
1390         if( rc != LDAP_SUCCESS ) {
1391 #ifdef NEW_LOGGING
1392                 LDAP_LOG( OPERATION, ERR,
1393                                 "syncrepl_updateCookie: mods opattrs (%s)\n", text, 0, 0 );
1394 #else
1395                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods opattrs (%s)\n",
1396                          text, 0, 0 );
1397 #endif
1398         }
1399
1400         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1401
1402         build_new_dn( &sub_bv, pdn, &psubrdn );
1403         dnPrettyNormal( NULL, &sub_bv, &e->e_name, &e->e_nname, NULL );
1404         ch_free( sub_bv.bv_val );
1405         ch_free( psubrdn.bv_val );
1406
1407         e->e_attrs = NULL;
1408
1409         rc = slap_mods2entry( modlist, &e, 1, 1, &text, txtbuf, textlen );
1410
1411         if( rc != LDAP_SUCCESS ) {
1412 #ifdef NEW_LOGGING
1413                 LDAP_LOG( OPERATION, ERR,
1414                                 "syncrepl_updateCookie: mods2entry (%s)\n", text, 0, 0 );
1415 #else
1416                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods2entry (%s)\n",
1417                          text, 0, 0 );
1418 #endif
1419         }
1420
1421         cb.sc_response = null_callback;
1422         cb.sc_private = si;
1423
1424         op->o_callback = &cb;
1425         op->o_req_dn = e->e_name;
1426         op->o_req_ndn = e->e_nname;
1427
1428         /* update persistent cookie */
1429 update_cookie_retry:
1430         op->o_tag = LDAP_REQ_MODIFY;
1431         op->orm_modlist = modlist;
1432         rc = be->be_modify( op, &rs );
1433
1434         if ( rc != LDAP_SUCCESS ) {
1435                 if ( rc == LDAP_REFERRAL ||
1436                          rc == LDAP_NO_SUCH_OBJECT ) {
1437                         op->o_tag = LDAP_REQ_ADD;
1438                         op->ora_e = e;
1439                         rc = be->be_add( op, &rs );
1440                         if ( rc != LDAP_SUCCESS ) {
1441                                 if ( rc == LDAP_ALREADY_EXISTS ) {
1442                                         goto update_cookie_retry;
1443                                 } else if ( rc == LDAP_REFERRAL ||
1444                                                         rc == LDAP_NO_SUCH_OBJECT ) {
1445 #ifdef NEW_LOGGING
1446                                         LDAP_LOG( OPERATION, ERR,
1447                                                 "cookie will be non-persistent\n",
1448                                                 0, 0, 0 );
1449 #else
1450                                         Debug( LDAP_DEBUG_ANY,
1451                                                 "cookie will be non-persistent\n",
1452                                                 0, 0, 0 );
1453 #endif
1454                                 } else {
1455 #ifdef NEW_LOGGING
1456                                         LDAP_LOG( OPERATION, ERR,
1457                                                 "be_add failed (%d)\n",
1458                                                 rc, 0, 0 );
1459 #else
1460                                         Debug( LDAP_DEBUG_ANY,
1461                                                 "be_add failed (%d)\n",
1462                                                 rc, 0, 0 );
1463 #endif
1464                                 }
1465                         } else {
1466                                 be_entry_release_w( op, e );
1467                                 goto done;
1468                         }
1469                 } else {
1470 #ifdef NEW_LOGGING
1471                         LDAP_LOG( OPERATION, ERR,
1472                                 "be_modify failed (%d)\n", rc, 0, 0 );
1473 #else
1474                         Debug( LDAP_DEBUG_ANY,
1475                                 "be_modify failed (%d)\n", rc, 0, 0 );
1476 #endif
1477                 }
1478         }
1479
1480         if ( e != NULL )
1481                 entry_free( e );
1482
1483 done :
1484
1485         for ( ml = modlist; ml != NULL; ml = mlnext ) {
1486                 mlnext = ml->sml_next;
1487                 free( ml );
1488         }
1489
1490         return;
1491 }
1492
1493 void
1494 avl_ber_bvfree( void *bv )
1495 {
1496         if( bv == NULL ) {
1497                 return;
1498         }
1499         if ( ((struct berval *)bv)->bv_val != NULL ) {
1500                 ber_memfree ( ((struct berval *)bv)->bv_val );
1501         }
1502         ber_memfree ( (char *) bv );
1503 }
1504
1505 static int
1506 cookie_callback(
1507         Operation* op,
1508         SlapReply* rs
1509 )
1510 {
1511         syncinfo_t *si = op->o_callback->sc_private;
1512         Attribute *a;
1513
1514         if ( rs->sr_type != REP_SEARCH ) return LDAP_SUCCESS;
1515
1516         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_syncreplCookie );
1517
1518         if ( a == NULL ) {
1519                 si->syncCookie = NULL;
1520         } else {
1521                 si->syncCookie = ber_dupbv( NULL, &a->a_vals[0] );
1522         }
1523         return LDAP_SUCCESS;
1524 }
1525
1526 static int
1527 dn_callback(
1528         Operation*      op,
1529         SlapReply*      rs
1530 )
1531 {
1532         syncinfo_t *si = op->o_callback->sc_private;
1533
1534         if ( rs->sr_type == REP_SEARCH ) {
1535                 if ( si->syncUUID_ndn != NULL ) {
1536 #ifdef NEW_LOGGING
1537                         LDAP_LOG( OPERATION, ERR,
1538                                 "dn_callback : multiple entries match dn\n", 0, 0, 0 );
1539 #else
1540                         Debug( LDAP_DEBUG_ANY,
1541                                 "dn_callback : multiple entries match dn\n", 0, 0, 0 );
1542 #endif
1543                 } else {
1544                         if ( rs->sr_entry == NULL ) {
1545                                 si->syncUUID_ndn = NULL;
1546                         } else {
1547                                 si->syncUUID_ndn = ber_dupbv( NULL, &rs->sr_entry->e_nname );
1548                         }
1549                 }
1550         }
1551
1552         return LDAP_SUCCESS;
1553 }
1554
1555 static int
1556 nonpresent_callback(
1557         Operation*      op,
1558         SlapReply*      rs
1559 )
1560 {
1561         syncinfo_t *si = op->o_callback->sc_private;
1562         Attribute *a;
1563         int count = 0;
1564         struct berval* present_uuid = NULL;
1565         slap_callback cb;
1566         SlapReply       rs_cb = {REP_RESULT};
1567         struct nonpresent_entry *np_entry;
1568
1569         if ( rs->sr_type == REP_RESULT ) {
1570                 count = avl_free( si->presentlist, avl_ber_bvfree );
1571                 si->presentlist = NULL;
1572                 return LDAP_SUCCESS;
1573         } else if ( rs->sr_type == REP_SEARCH ) {
1574                 a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
1575
1576                 if ( a == NULL )
1577                         return 0;
1578
1579                 present_uuid = avl_find( si->presentlist, &a->a_vals[0], syncuuid_cmp );
1580
1581                 if ( present_uuid == NULL ) {
1582                         np_entry = (struct nonpresent_entry *)
1583                                                 ch_calloc( 1, sizeof( struct nonpresent_entry ));
1584                         np_entry->dn = ber_dupbv( NULL, &rs->sr_entry->e_name );
1585                         np_entry->ndn = ber_dupbv( NULL, &rs->sr_entry->e_nname );
1586                         LDAP_LIST_INSERT_HEAD( &si->nonpresentlist, np_entry, np_link );
1587                 } else {
1588                         avl_delete( &si->presentlist,
1589                                         &a->a_vals[0], syncuuid_cmp );
1590                 }
1591                 return LDAP_SUCCESS;
1592         } else {
1593                 return LDAP_SUCCESS;
1594         }
1595
1596 }
1597
1598 static int
1599 null_callback(
1600         Operation*      op,
1601         SlapReply*      rs
1602 )
1603 {
1604         syncinfo_t *si = op->o_callback->sc_private;
1605
1606         if ( rs->sr_err != LDAP_SUCCESS &&
1607                  rs->sr_err != LDAP_REFERRAL &&
1608                  rs->sr_err != LDAP_ALREADY_EXISTS &&
1609                  rs->sr_err != LDAP_NO_SUCH_OBJECT ) {
1610 #ifdef NEW_LOGGING
1611                 LDAP_LOG( OPERATION, ERR,
1612                         "null_callback : error code 0x%x\n",
1613                         rs->sr_err, 0, 0 );
1614 #else
1615                 Debug( LDAP_DEBUG_ANY,
1616                         "null_callback : error code 0x%x\n",
1617                         rs->sr_err, 0, 0 );
1618 #endif
1619         }
1620         return LDAP_SUCCESS;
1621 }
1622
1623
1624 char **
1625 str2clist( char ***out, char *in, const char *brkstr )
1626 {
1627         char    *str;
1628         char    *s;
1629         char    *lasts;
1630         int     i, j;
1631         const char *text;
1632         char    **new;
1633
1634         /* find last element in list */
1635         for (i = 0; *out && *out[i]; i++);
1636
1637         /* protect the input string from strtok */
1638         str = ch_strdup( in );
1639
1640         if ( *str == '\0' ) {
1641                 free( str );
1642                 return( *out );
1643         }
1644
1645         /* Count words in string */
1646         j=1;
1647         for ( s = str; *s; s++ ) {
1648                 if ( strchr( brkstr, *s ) != NULL ) {
1649                         j++;
1650                 }
1651         }
1652
1653         *out = ch_realloc( *out, ( i + j + 1 ) * sizeof( char * ) );
1654         new = *out + i;
1655         for ( s = ldap_pvt_strtok( str, brkstr, &lasts );
1656                 s != NULL;
1657                 s = ldap_pvt_strtok( NULL, brkstr, &lasts ) )
1658         {
1659                 *new = ch_strdup( s );
1660                 new++;
1661         }
1662
1663         *new = NULL;
1664         free( str );
1665         return( *out );
1666 }