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

   1 /* syncrepl.c -- Replication Engine which uses the LDAP Sync protocol */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2004 The OpenLDAP Foundation.
   6  * Portions Copyright 2003 by IBM Corporation.
   7  * Portions Copyright 2003 by Howard Chu, Symas Corporation.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18
  19 #include "portable.h"
  20
  21 #include <stdio.h>
  22
  23 #include <ac/string.h>
  24 #include <ac/socket.h>
  25
  26 #include "ldap_pvt.h"
  27 #include "lutil.h"
  28 #include "slap.h"
  29 #include "lutil_ldap.h"
  30
  31 #include "ldap_rq.h"
  32
  33 #define SYNCREPL_STR    "syncreplxxx"
  34 #define CN_STR  "cn="
  35
  36 static const struct berval slap_syncrepl_bvc = BER_BVC(SYNCREPL_STR);
  37 static const struct berval slap_syncrepl_cn_bvc = BER_BVC(CN_STR SYNCREPL_STR);
  38
  39 static int syncuuid_cmp( const void *, const void * );
  40 static void avl_ber_bvfree( void * );
  41 static void syncrepl_del_nonpresent( Operation *, syncinfo_t * );
  42
  43 /* callback functions */
  44 static int dn_callback( struct slap_op *, struct slap_rep * );
  45 static int nonpresent_callback( struct slap_op *, struct slap_rep * );
  46 static int null_callback( struct slap_op *, struct slap_rep * );
  47
  48 static AttributeDescription *sync_descs[4];
  49
  50 struct runqueue_s syncrepl_rq;
  51
  52 void
  53 init_syncrepl(syncinfo_t *si)
  54 {
  55         int i, j, k, n;
  56         char **tmp;
  57
  58         if ( !sync_descs[0] ) {
  59                 sync_descs[0] = slap_schema.si_ad_objectClass;
  60                 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
  61                 sync_descs[2] = slap_schema.si_ad_entryCSN;
  62                 sync_descs[3] = NULL;
  63         }
  64
  65         for ( n = 0; si->si_attrs[ n ] != NULL; n++ ) /* empty */;
  66
  67         if ( n ) {
  68                 /* Delete Attributes */
  69                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
  70                         for ( j = 0; si->si_attrs[j] != NULL; j++ ) {
  71                                 if ( strcmp( si->si_attrs[j], sync_descs[i]->ad_cname.bv_val )
  72                                         == 0 )
  73                                 {
  74                                         ch_free( si->si_attrs[j] );
  75                                         for ( k = j; si->si_attrs[k] != NULL; k++ ) {
  76                                                 si->si_attrs[k] = si->si_attrs[k+1];
  77                                         }
  78                                 }
  79                         }
  80                 }
  81                 for ( n = 0; si->si_attrs[ n ] != NULL; n++ ) /* empty */;
  82                 tmp = ( char ** ) ch_realloc( si->si_attrs, (n + 4)*sizeof( char * ));
  83                 if ( tmp == NULL ) {
  84 #ifdef NEW_LOGGING
  85                         LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
  86 #else
  87                         Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
  88 #endif
  89                 }
  90
  91         } else {
  92                 tmp = ( char ** ) ch_realloc( si->si_attrs, 5 * sizeof( char * ));
  93                 if ( tmp == NULL ) {
  94 #ifdef NEW_LOGGING
  95                         LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
  96 #else
  97                         Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
  98 #endif
  99                 }
 100                 tmp[ n++ ] = ch_strdup( "*" );
 101         }
 102
 103         si->si_attrs = tmp;
 104
 105         /* Add Attributes */
 106         for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
 107                 si->si_attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
 108                 si->si_attrs[ n ] = NULL;
 109         }
 110 }
 111
 112 static int
 113 ldap_sync_search(
 114         syncinfo_t *si,
 115         void *ctx )
 116 {
 117         BerElementBuffer berbuf;
 118         BerElement *ber = (BerElement *)&berbuf;
 119         LDAPControl c[2], *ctrls[3];
 120         struct timeval timeout;
 121         ber_int_t       msgid;
 122         int rc;
 123
 124         /* setup LDAP SYNC control */
 125         ber_init2( ber, NULL, LBER_USE_DER );
 126         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 127
 128         if ( si->si_syncCookie.octet_str &&
 129                 si->si_syncCookie.octet_str[0].bv_val )
 130         {
 131                 ber_printf( ber, "{eO}",
 132                         abs(si->si_type),
 133                         &si->si_syncCookie.octet_str[0] );
 134         } else {
 135                 ber_printf( ber, "{e}",
 136                         abs(si->si_type) );
 137         }
 138
 139         if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 )) == LBER_ERROR ) {
 140                 ber_free_buf( ber );
 141                 return rc;
 142         }
 143
 144         c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 145         c[0].ldctl_iscritical = si->si_type < 0;
 146         ctrls[0] = &c[0];
 147
 148         if ( si->si_authzId ) {
 149                 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 150                 ber_str2bv( si->si_authzId, 0, 0, &c[1].ldctl_value );
 151                 c[1].ldctl_iscritical = 1;
 152                 ctrls[1] = &c[1];
 153                 ctrls[2] = NULL;
 154         } else {
 155                 ctrls[1] = NULL;
 156         }
 157
 158         timeout.tv_sec = si->si_tlimit > 0 ? si->si_tlimit : 1;
 159         timeout.tv_usec = 0;
 160
 161         rc = ldap_search_ext( si->si_ld, si->si_base.bv_val, si->si_scope,
 162                 si->si_filterstr.bv_val, si->si_attrs, si->si_attrsonly,
 163                 ctrls, NULL, si->si_tlimit < 0 ? NULL : &timeout,
 164                 si->si_slimit, &msgid );
 165         ber_free_buf( ber );
 166         return rc;
 167 }
 168
 169 static int
 170 do_syncrep1(
 171         Operation *op,
 172         syncinfo_t *si )
 173 {
 174         int     rc;
 175         int cmdline_cookie_found = 0;
 176
 177         char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
 178         struct berval syncrepl_cn_bv;
 179         struct sync_cookie      *sc = NULL;
 180         struct sync_cookie      syncCookie = { NULL, -1, NULL };
 181         struct berval   *psub;
 182
 183         psub = &si->si_be->be_nsuffix[0];
 184
 185         /* Init connection to master */
 186         rc = ldap_initialize( &si->si_ld, si->si_provideruri );
 187         if ( rc != LDAP_SUCCESS ) {
 188 #ifdef NEW_LOGGING
 189                 LDAP_LOG( OPERATION, ERR,
 190                         "do_syncrep1: ldap_initialize failed (%s)\n",
 191                         si->si_provideruri, 0, 0 );
 192 #else
 193                 Debug( LDAP_DEBUG_ANY,
 194                         "do_syncrep1: ldap_initialize failed (%s)\n",
 195                         si->si_provideruri, 0, 0 );
 196 #endif
 197                 return rc;
 198         }
 199
 200         op->o_protocol = LDAP_VERSION3;
 201         ldap_set_option( si->si_ld, LDAP_OPT_PROTOCOL_VERSION, &op->o_protocol );
 202
 203         /* Bind to master */
 204
 205         if ( si->si_tls ) {
 206                 rc = ldap_start_tls_s( si->si_ld, NULL, NULL );
 207                 if( rc != LDAP_SUCCESS ) {
 208 #ifdef NEW_LOGGING
 209                         LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 210                                 "%s: ldap_start_tls failed (%d)\n",
 211                                 si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
 212                                 rc, 0 );
 213 #else
 214                         Debug( LDAP_DEBUG_ANY,
 215                                 "%s: ldap_start_tls failed (%d)\n",
 216                                 si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
 217                                 rc, 0 );
 218 #endif
 219                         if( si->si_tls == SYNCINFO_TLS_CRITICAL ) goto done;
 220                 }
 221         }
 222
 223         if ( si->si_bindmethod == LDAP_AUTH_SASL ) {
 224 #ifdef HAVE_CYRUS_SASL
 225                 void *defaults;
 226
 227                 if ( si->si_secprops != NULL ) {
 228                         rc = ldap_set_option( si->si_ld,
 229                                 LDAP_OPT_X_SASL_SECPROPS, si->si_secprops);
 230
 231                         if( rc != LDAP_OPT_SUCCESS ) {
 232 #ifdef NEW_LOGGING
 233                                 LDAP_LOG ( OPERATION, ERR, "do_bind: Error: "
 234                                         "ldap_set_option(%s,SECPROPS,\"%s\") failed!\n",
 235                                         si->si_provideruri, si->si_secprops, 0 );
 236 #else
 237                                 Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
 238                                         "(%s,SECPROPS,\"%s\") failed!\n",
 239                                         si->si_provideruri, si->si_secprops, 0 );
 240 #endif
 241                                 goto done;
 242                         }
 243                 }
 244
 245                 defaults = lutil_sasl_defaults( si->si_ld, si->si_saslmech,
 246                         si->si_realm, si->si_authcId, si->si_passwd, si->si_authzId );
 247
 248                 rc = ldap_sasl_interactive_bind_s( si->si_ld,
 249                                 si->si_binddn,
 250                                 si->si_saslmech,
 251                                 NULL, NULL,
 252                                 LDAP_SASL_QUIET,
 253                                 lutil_sasl_interact,
 254                                 defaults );
 255
 256                 lutil_sasl_freedefs( defaults );
 257
 258                 /* FIXME: different error behaviors according to
 259                  *      1) return code
 260                  *      2) on err policy : exit, retry, backoff ...
 261                  */
 262                 if ( rc != LDAP_SUCCESS ) {
 263 #ifdef NEW_LOGGING
 264                         LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 265                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 266                                 rc, 0, 0 );
 267 #else
 268                         Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 269                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 270                                 rc, 0, 0 );
 271 #endif
 272
 273                         /* FIXME (see above comment) */
 274                         /* if Kerberos credentials cache is not active, retry */
 275                         if ( strcmp( si->si_saslmech, "GSSAPI" ) == 0 &&
 276                                 rc == LDAP_LOCAL_ERROR )
 277                         {
 278                                 rc = LDAP_SERVER_DOWN;
 279                         }
 280
 281                         goto done;
 282                 }
 283 #else /* HAVE_CYRUS_SASL */
 284                 /* Should never get here, we trapped this at config time */
 285                 assert(0);
 286                 fprintf( stderr, "not compiled with SASL support\n" );
 287                 rc = LDAP_OTHER;
 288                 goto done;
 289 #endif
 290
 291         } else {
 292                 rc = ldap_bind_s( si->si_ld,
 293                         si->si_binddn, si->si_passwd, si->si_bindmethod );
 294                 if ( rc != LDAP_SUCCESS ) {
 295 #ifdef NEW_LOGGING
 296                         LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 297                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 298 #else
 299                         Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 300                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 301 #endif
 302                         goto done;
 303                 }
 304         }
 305
 306         /* set SSF for local authorization */
 307         ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &op->o_ssf );
 308
 309         /* get syncrepl cookie of shadow replica from subentry */
 310         assert( si->si_rid < 1000 );
 311         syncrepl_cn_bv.bv_val = syncrepl_cbuf;
 312         syncrepl_cn_bv.bv_len = snprintf(syncrepl_cbuf, sizeof(syncrepl_cbuf),
 313                 CN_STR "syncrepl%ld", si->si_rid );
 314         build_new_dn( &op->o_req_ndn, psub, &syncrepl_cn_bv, op->o_tmpmemctx );
 315         op->o_req_dn = op->o_req_ndn;
 316
 317         LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
 318                 if ( si->si_rid == sc->rid ) {
 319                         cmdline_cookie_found = 1;
 320                         break;
 321                 }
 322         }
 323
 324         if ( cmdline_cookie_found ) {
 325                 /* cookie is supplied in the command line */
 326                 BerVarray cookie = NULL;
 327                 struct berval cookie_bv;
 328
 329                 LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
 330                 slap_sync_cookie_free( &si->si_syncCookie, 0 );
 331
 332                 /* read stored cookie if it exists */
 333                 backend_attribute( op, NULL, &op->o_req_ndn,
 334                         slap_schema.si_ad_syncreplCookie, &cookie );
 335
 336                 if ( !cookie ) {
 337                         /* no stored cookie */
 338                         if ( sc->ctxcsn == NULL ||
 339                                  sc->ctxcsn->bv_val == NULL ) {
 340                                 /* if cmdline cookie does not have ctxcsn */
 341                                 /* component, set it to an initial value */
 342                                 slap_init_sync_cookie_ctxcsn( sc );
 343                         }
 344                         slap_dup_sync_cookie( &si->si_syncCookie, sc );
 345                         slap_sync_cookie_free( sc, 1 );
 346                         sc = NULL;
 347
 348                 } else {
 349                         /* stored cookie */
 350                         struct berval newcookie = BER_BVNULL;
 351                         ber_dupbv( &cookie_bv, &cookie[0] );
 352                         ber_bvarray_add( &si->si_syncCookie.octet_str, &cookie_bv );
 353                         slap_parse_sync_cookie( &si->si_syncCookie );
 354                         ber_bvarray_free( si->si_syncCookie.octet_str );
 355                         si->si_syncCookie.octet_str = NULL;
 356                         ber_bvarray_free_x( cookie, op->o_tmpmemctx );
 357                         if ( sc->sid != -1 ) {
 358                                 /* command line cookie wins */
 359                                 si->si_syncCookie.sid = sc->sid;
 360                         }
 361                         if ( sc->ctxcsn != NULL ) {
 362                                 /* command line cookie wins */
 363                                 if ( si->si_syncCookie.ctxcsn ) {
 364                                         ber_bvarray_free( si->si_syncCookie.ctxcsn );
 365                                         si->si_syncCookie.ctxcsn = NULL;
 366                                 }
 367                                 ber_dupbv( &cookie_bv, &sc->ctxcsn[0] );
 368                                 ber_bvarray_add( &si->si_syncCookie.ctxcsn, &cookie_bv );
 369                         }
 370                         if ( sc->rid != -1 ) {
 371                                 /* command line cookie wins */
 372                                 si->si_syncCookie.rid = sc->rid;
 373                         }
 374                         slap_sync_cookie_free( sc, 1 );
 375                         sc = NULL;
 376                         slap_compose_sync_cookie( NULL, &newcookie,
 377                                         &si->si_syncCookie.ctxcsn[0],
 378                                         si->si_syncCookie.sid, si->si_syncCookie.rid );
 379                         ber_bvarray_add( &si->si_syncCookie.octet_str, &newcookie );
 380                 }
 381
 382         } else {
 383                 /* no command line cookie is specified */
 384                 if ( si->si_syncCookie.octet_str == NULL ) {
 385                         BerVarray cookie = NULL;
 386                         struct berval cookie_bv;
 387                         /* try to read stored cookie */
 388                         backend_attribute( op, NULL, &op->o_req_ndn,
 389                                 slap_schema.si_ad_syncreplCookie, &cookie );
 390                         if ( cookie ) {
 391                                 ber_dupbv( &cookie_bv, &cookie[0] );
 392                                 ber_bvarray_add( &si->si_syncCookie.octet_str, &cookie_bv );
 393                                 slap_parse_sync_cookie( &si->si_syncCookie );
 394                                 ber_bvarray_free_x( cookie, op->o_tmpmemctx );
 395                         }
 396                 }
 397         }
 398
 399         rc = ldap_sync_search( si, op->o_tmpmemctx );
 400
 401         if( rc != LDAP_SUCCESS ) {
 402 #ifdef NEW_LOGGING
 403                 LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 404                         "ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
 405 #else
 406                 Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 407                         "ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
 408 #endif
 409         }
 410
 411 done:
 412         if ( rc ) {
 413                 if ( si->si_ld ) {
 414                         ldap_unbind( si->si_ld );
 415                         si->si_ld = NULL;
 416                 }
 417         }
 418
 419         return rc;
 420 }
 421
 422 static int
 423 do_syncrep2(
 424         Operation *op,
 425         syncinfo_t *si )
 426 {
 427         LDAPControl     **rctrls = NULL;
 428         LDAPControl     *rctrlp;
 429
 430         BerElementBuffer berbuf;
 431         BerElement      *ber = (BerElement *)&berbuf;
 432
 433         LDAPMessage     *res = NULL;
 434         LDAPMessage     *msg = NULL;
 435
 436         char            *retoid = NULL;
 437         struct berval   *retdata = NULL;
 438
 439         Entry           *entry = NULL;
 440
 441         int             syncstate;
 442         struct berval   syncUUID = BER_BVNULL;
 443         struct sync_cookie      syncCookie = { NULL, -1, NULL };
 444         struct sync_cookie      syncCookie_req = { NULL, -1, NULL };
 445         struct berval           cookie = BER_BVNULL;
 446
 447         int     rc, err, i;
 448         ber_len_t       len;
 449
 450         int rc_efree = 1;
 451
 452         struct berval   *psub;
 453         Modifications   *modlist = NULL;
 454
 455         const char              *text;
 456         int                             match;
 457
 458         struct timeval *tout_p = NULL;
 459         struct timeval tout = { 0, 0 };
 460
 461         int             refreshDeletes = 0;
 462         int             refreshDone = 1;
 463         BerVarray syncUUIDs = NULL;
 464         ber_tag_t si_tag;
 465
 466         if ( slapd_shutdown ) {
 467                 rc = -2;
 468                 goto done;
 469         }
 470
 471         ber_init2( ber, NULL, LBER_USE_DER );
 472         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 473
 474 #ifdef NEW_LOGGING
 475         LDAP_LOG ( OPERATION, DETAIL1, "do_syncrep2\n", 0, 0, 0 );
 476 #else
 477         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2\n", 0, 0, 0 );
 478 #endif
 479
 480         psub = &si->si_be->be_nsuffix[0];
 481
 482         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 483
 484         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 485                 tout_p = &tout;
 486         } else {
 487                 tout_p = NULL;
 488         }
 489
 490         while (( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE,
 491                 tout_p, &res )) > 0 )
 492         {
 493                 if ( slapd_shutdown ) {
 494                         rc = -2;
 495                         goto done;
 496                 }
 497                 for( msg = ldap_first_message( si->si_ld, res );
 498                         msg != NULL;
 499                         msg = ldap_next_message( si->si_ld, msg ) )
 500                 {
 501                         switch( ldap_msgtype( msg ) ) {
 502                         case LDAP_RES_SEARCH_ENTRY:
 503                                 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 504                                 /* we can't work without the control */
 505                                 if ( !rctrls ) {
 506                                         rc = -1;
 507                                         goto done;
 508                                 }
 509                                 rctrlp = *rctrls;
 510                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 511                                 ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
 512                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 513                                         ber_scanf( ber, /*"{"*/ "m}", &cookie );
 514                                         if ( cookie.bv_val ) {
 515                                                 struct berval tmp_bv;
 516                                                 ber_dupbv( &tmp_bv, &cookie );
 517                                                 ber_bvarray_add( &syncCookie.octet_str, &tmp_bv );
 518                                         }
 519                                         if ( syncCookie.octet_str &&
 520                                                         syncCookie.octet_str[0].bv_val )
 521                                                 slap_parse_sync_cookie( &syncCookie );
 522                                 }
 523                                 if ( syncrepl_message_to_entry( si, op, msg,
 524                                         &modlist, &entry, syncstate ) == LDAP_SUCCESS ) {
 525                                         rc_efree = syncrepl_entry( si, op, entry, modlist,
 526                                                 syncstate, &syncUUID, &syncCookie_req );
 527                                         if ( syncCookie.octet_str &&
 528                                                 syncCookie.octet_str[0].bv_val )
 529                                         {
 530                                                 syncrepl_updateCookie( si, op, psub, &syncCookie );
 531                                         }
 532                                 }
 533                                 ldap_controls_free( rctrls );
 534                                 if ( modlist ) {
 535                                         slap_mods_free( modlist );
 536                                 }
 537                                 if ( rc_efree && entry ) {
 538                                         entry_free( entry );
 539                                         entry = NULL;
 540                                 }
 541                                 break;
 542
 543                         case LDAP_RES_SEARCH_REFERENCE:
 544 #ifdef NEW_LOGGING
 545                                 LDAP_LOG( OPERATION, ERR,
 546                                         "do_syncrep2 : reference received\n", 0, 0, 0 );
 547 #else
 548                                 Debug( LDAP_DEBUG_ANY,
 549                                         "do_syncrep2 : reference received\n", 0, 0, 0 );
 550 #endif
 551                                 break;
 552
 553                         case LDAP_RES_SEARCH_RESULT:
 554                                 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 555                                         &rctrls, 0 );
 556                                 if ( rctrls ) {
 557                                         rctrlp = *rctrls;
 558                                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 559
 560                                         ber_scanf( ber, "{" /*"}"*/);
 561                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 562                                                 ber_scanf( ber, "m", &cookie );
 563                                                 if ( cookie.bv_val ) {
 564                                                         struct berval tmp_bv;
 565                                                         ber_dupbv( &tmp_bv, &cookie );
 566                                                         ber_bvarray_add( &syncCookie.octet_str, &tmp_bv);
 567                                                 }
 568                                                 if ( syncCookie.octet_str &&
 569                                                         syncCookie.octet_str[0].bv_val )
 570                                                 {
 571                                                         slap_parse_sync_cookie( &syncCookie );
 572                                                 }
 573                                         }
 574                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 575                                         {
 576                                                 ber_scanf( ber, "b", &refreshDeletes );
 577                                         }
 578                                         ber_scanf( ber, /*"{"*/ "}" );
 579                                 }
 580                                 if ( syncCookie_req.ctxcsn == NULL ) {
 581                                         match = -1;
 582                                 } else if ( syncCookie.ctxcsn == NULL ) {
 583                                         match = 1;
 584                                 } else {
 585                                         value_match( &match, slap_schema.si_ad_entryCSN,
 586                                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 587                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 588                                                 &syncCookie_req.ctxcsn[0], &syncCookie.ctxcsn[0],
 589                                                 &text );
 590                                 }
 591                                 if ( syncCookie.octet_str && syncCookie.octet_str->bv_val &&
 592                                         match < 0 && err == LDAP_SUCCESS )
 593                                 {
 594                                         syncrepl_updateCookie( si, op, psub, &syncCookie );
 595                                 }
 596                                 if ( rctrls ) {
 597                                         ldap_controls_free( rctrls );
 598                                 }
 599                                 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 600                                         /* FIXME : different error behaviors according to
 601                                          *      1) err code : LDAP_BUSY ...
 602                                          *      2) on err policy : stop service, stop sync, retry
 603                                          */
 604                                         if ( refreshDeletes == 0 && match < 0 &&
 605                                                 err == LDAP_SUCCESS )
 606                                         {
 607                                                 syncrepl_del_nonpresent( op, si );
 608                                         } else {
 609                                                 avl_free( si->si_presentlist, avl_ber_bvfree );
 610                                                 si->si_presentlist = NULL;
 611                                         }
 612                                 }
 613                                 rc = -2;
 614                                 goto done;
 615                                 break;
 616
 617                         case LDAP_RES_INTERMEDIATE:
 618                                 rc = ldap_parse_intermediate( si->si_ld, msg,
 619                                         &retoid, &retdata, NULL, 0 );
 620                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 621                                         int             si_refreshDelete = 0;
 622                                         int             si_refreshPresent = 0;
 623                                         ber_init2( ber, retdata, LBER_USE_DER );
 624
 625                                         switch ( si_tag = ber_peek_tag( ber, &len )) {
 626                                         ber_tag_t tag;
 627                                         case LDAP_TAG_SYNC_NEW_COOKIE:
 628                                                 ber_scanf( ber, "tm", &tag, &cookie );
 629                                                 break;
 630                                         case LDAP_TAG_SYNC_REFRESH_DELETE:
 631                                                 si_refreshDelete = 1;
 632                                         case LDAP_TAG_SYNC_REFRESH_PRESENT:
 633                                                 si_refreshPresent = 1;
 634                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 635                                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 636                                                 {
 637                                                         ber_scanf( ber, "m", &cookie );
 638                                                         if ( cookie.bv_val ) {
 639                                                                 struct berval tmp_bv;
 640                                                                 ber_dupbv( &tmp_bv, &cookie );
 641                                                                 ber_bvarray_add( &syncCookie.octet_str,
 642                                                                         &tmp_bv);
 643                                                         }
 644                                                         if ( syncCookie.octet_str &&
 645                                                                 syncCookie.octet_str[0].bv_val )
 646                                                         {
 647                                                                 slap_parse_sync_cookie( &syncCookie );
 648                                                         }
 649                                                 }
 650                                                 if ( ber_peek_tag( ber, &len ) ==
 651                                                         LDAP_TAG_REFRESHDONE )
 652                                                 {
 653                                                         ber_scanf( ber, "b", &refreshDone );
 654                                                 }
 655                                                 ber_scanf( ber, /*"{"*/ "}" );
 656                                                 break;
 657                                         case LDAP_TAG_SYNC_ID_SET:
 658                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 659                                                 if ( ber_peek_tag( ber, &len ) ==
 660                                                         LDAP_TAG_SYNC_COOKIE )
 661                                                 {
 662                                                         ber_scanf( ber, "m", &cookie );
 663                                                         if ( cookie.bv_val ) {
 664                                                                 struct berval tmp_bv;
 665                                                                 ber_dupbv( &tmp_bv, &cookie );
 666                                                                 ber_bvarray_add( &syncCookie.octet_str,
 667                                                                         &tmp_bv );
 668                                                         }
 669                                                         if ( syncCookie.octet_str &&
 670                                                                 syncCookie.octet_str[0].bv_val )
 671                                                         {
 672                                                                 slap_parse_sync_cookie( &syncCookie );
 673                                                         }
 674                                                 }
 675                                                 if ( ber_peek_tag( ber, &len ) ==
 676                                                         LDAP_TAG_REFRESHDELETES )
 677                                                 {
 678                                                         ber_scanf( ber, "b", &refreshDeletes );
 679                                                 }
 680                                                 ber_scanf( ber, "[W]", &syncUUIDs );
 681                                                 ber_scanf( ber, /*"{"*/ "}" );
 682                                                 for ( i = 0; syncUUIDs[i].bv_val; i++ ) {
 683                                                         struct berval *syncuuid_bv;
 684                                                         syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
 685                                                         avl_insert( &si->si_presentlist,
 686                                                                 (caddr_t) syncuuid_bv,
 687                                                                 syncuuid_cmp, avl_dup_error );
 688                                                 }
 689                                                 ber_memfree_x( syncUUIDs, op->o_tmpmemctx );
 690                                                 break;
 691                                         default:
 692 #ifdef NEW_LOGGING
 693                                         LDAP_LOG( OPERATION, ERR,
 694                                                 "do_syncrep2 : unknown syncinfo tag (%ld)\n",
 695                                                 (long) si_tag, 0, 0 );
 696 #else
 697                                         Debug( LDAP_DEBUG_ANY,
 698                                                 "do_syncrep2 : unknown syncinfo tag (%ld)\n",
 699                                                 (long) si_tag, 0, 0 );
 700 #endif
 701                                                 ldap_memfree( retoid );
 702                                                 ber_bvfree( retdata );
 703                                                 continue;
 704                                         }
 705
 706                                         if ( syncCookie_req.ctxcsn == NULL ) {
 707                                                 match = -1;
 708                                         } else if ( syncCookie.ctxcsn == NULL ) {
 709                                                 match = 1;
 710                                         } else {
 711                                                 value_match( &match, slap_schema.si_ad_entryCSN,
 712                                                         slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 713                                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 714                                                         &syncCookie_req.ctxcsn[0],
 715                                                         &syncCookie.ctxcsn[0], &text );
 716                                         }
 717
 718                                         if ( syncCookie.ctxcsn && syncCookie.ctxcsn[0].bv_val &&
 719                                                 match < 0 )
 720                                         {
 721                                                 syncrepl_updateCookie( si, op, psub, &syncCookie);
 722                                         }
 723
 724                                         if ( si_refreshPresent == 1 ) {
 725                                                 if ( match < 0 ) {
 726                                                         syncrepl_del_nonpresent( op, si );
 727                                                 }
 728                                         }
 729
 730                                         ldap_memfree( retoid );
 731                                         ber_bvfree( retdata );
 732                                         break;
 733
 734                                 } else {
 735 #ifdef NEW_LOGGING
 736                                         LDAP_LOG( OPERATION, ERR, "do_syncrep2 :"
 737                                                 " unknown intermediate "
 738                                                 "response\n", 0, 0, 0 );
 739 #else
 740                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
 741                                                 "unknown intermediate response (%d)\n",
 742                                                 rc, 0, 0 );
 743 #endif
 744                                         ldap_memfree( retoid );
 745                                         ber_bvfree( retdata );
 746                                         break;
 747                                 }
 748                                 break;
 749
 750                         default:
 751 #ifdef NEW_LOGGING
 752                                 LDAP_LOG( OPERATION, ERR, "do_syncrep2 : "
 753                                         "unknown message\n", 0, 0, 0 );
 754 #else
 755                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
 756                                         "unknown message\n", 0, 0, 0 );
 757 #endif
 758                                 break;
 759
 760                         }
 761                         if ( syncCookie.octet_str ) {
 762                                 slap_sync_cookie_free( &syncCookie_req, 0 );
 763                                 slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
 764                                 slap_sync_cookie_free( &syncCookie, 0 );
 765                         }
 766                 }
 767                 ldap_msgfree( res );
 768                 res = NULL;
 769         }
 770
 771         if ( rc == -1 ) {
 772                 const char *errstr;
 773
 774                 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
 775                 errstr = ldap_err2string( rc );
 776
 777 #ifdef NEW_LOGGING
 778                 LDAP_LOG( OPERATION, ERR,
 779                         "do_syncrep2 : %s\n", errstr, 0, 0 );
 780 #else
 781                 Debug( LDAP_DEBUG_ANY,
 782                         "do_syncrep2 : %s\n", errstr, 0, 0 );
 783 #endif
 784         }
 785
 786 done:
 787         slap_sync_cookie_free( &syncCookie, 0 );
 788         slap_sync_cookie_free( &syncCookie_req, 0 );
 789
 790         if ( res ) ldap_msgfree( res );
 791
 792         if ( rc && si->si_ld ) {
 793                 ldap_unbind( si->si_ld );
 794                 si->si_ld = NULL;
 795         }
 796
 797         return rc;
 798 }
 799
 800 void *
 801 do_syncrepl(
 802         void    *ctx,
 803         void    *arg )
 804 {
 805         struct re_s* rtask = arg;
 806         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
 807         Connection conn = {0};
 808         Operation op = {0};
 809         int rc = LDAP_SUCCESS;
 810         int first = 0;
 811         int dostop = 0;
 812         ber_socket_t s;
 813
 814 #ifdef NEW_LOGGING
 815         LDAP_LOG ( OPERATION, DETAIL1, "do_syncrepl\n", 0, 0, 0 );
 816 #else
 817         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl\n", 0, 0, 0 );
 818 #endif
 819
 820         if ( si == NULL )
 821                 return NULL;
 822
 823         switch( abs( si->si_type )) {
 824         case LDAP_SYNC_REFRESH_ONLY:
 825         case LDAP_SYNC_REFRESH_AND_PERSIST:
 826                 break;
 827         default:
 828                 return NULL;
 829         }
 830
 831         if ( slapd_shutdown && si->si_ld ) {
 832                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 833                 connection_client_stop( s );
 834                 ldap_unbind( si->si_ld );
 835                 si->si_ld = NULL;
 836                 return NULL;
 837         }
 838
 839         connection_fake_init( &conn, &op, ctx );
 840
 841         op.o_dn = si->si_updatedn;
 842         op.o_ndn = si->si_updatedn;
 843         op.o_managedsait = 1;
 844         op.o_bd = si->si_be;
 845
 846         op.o_sync_state.ctxcsn = NULL;
 847         op.o_sync_state.sid = -1;
 848         op.o_sync_state.octet_str = NULL;
 849         op.o_sync_slog_size = -1;
 850         LDAP_STAILQ_FIRST( &op.o_sync_slog_list ) = NULL;
 851         op.o_sync_slog_list.stqh_last = &LDAP_STAILQ_FIRST(&op.o_sync_slog_list);
 852
 853         /* Establish session, do search */
 854         if ( !si->si_ld ) {
 855                 first = 1;
 856                 rc = do_syncrep1( &op, si );
 857         }
 858
 859         /* Process results */
 860         if ( rc == LDAP_SUCCESS ) {
 861                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 862
 863                 rc = do_syncrep2( &op, si );
 864
 865                 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 866                         /* If we succeeded, enable the connection for further listening.
 867                          * If we failed, tear down the connection and reschedule.
 868                          */
 869                         if ( rc == LDAP_SUCCESS ) {
 870                                 if ( first ) {
 871                                         rc = connection_client_setup( s, do_syncrepl,
 872                                                 arg );
 873                                 } else {
 874                                         connection_client_enable( s );
 875                                 }
 876                         } else if ( !first ) {
 877                                 dostop = 1;
 878                         }
 879                 } else {
 880                         if ( rc == -2 ) rc = 0;
 881                 }
 882         }
 883
 884         /* At this point, we have 4 cases:
 885          * 1) for any hard failure, give up and remove this task
 886          * 2) for ServerDown, reschedule this task to run
 887          * 3) for Refresh and Success, reschedule to run
 888          * 4) for Persist and Success, reschedule to defer
 889          */
 890         ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
 891         if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
 892                 ldap_pvt_runqueue_stoptask( &syncrepl_rq, rtask );
 893         }
 894
 895         if ( dostop ) {
 896                 connection_client_stop( s );
 897         }
 898
 899         if ( rc && rc != LDAP_SERVER_DOWN ) {
 900                 ldap_pvt_runqueue_remove( &syncrepl_rq, rtask );
 901         } else {
 902                 if ( rc == LDAP_SERVER_DOWN ||
 903                         si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
 904                         rc = 0;
 905                 } else {
 906                         rc = 1;
 907                 }
 908                 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, rc );
 909         }
 910         ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
 911
 912         return NULL;
 913 }
 914
 915 int
 916 syncrepl_message_to_entry(
 917         syncinfo_t      *si,
 918         Operation       *op,
 919         LDAPMessage     *msg,
 920         Modifications   **modlist,
 921         Entry                   **entry,
 922         int             syncstate
 923 )
 924 {
 925         Entry           *e = NULL;
 926         BerElement      *ber = NULL;
 927         Modifications   tmp;
 928         Modifications   *mod;
 929         Modifications   **modtail = modlist;
 930
 931         const char      *text;
 932         char txtbuf[SLAP_TEXT_BUFLEN];
 933         size_t textlen = sizeof txtbuf;
 934
 935         struct berval   bdn = {0, NULL}, dn, ndn;
 936         int             rc;
 937
 938         *modlist = NULL;
 939
 940         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
 941 #ifdef NEW_LOGGING
 942                 LDAP_LOG( OPERATION, ERR,
 943                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
 944 #else
 945                 Debug( LDAP_DEBUG_ANY,
 946                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
 947 #endif
 948                 return -1;
 949         }
 950
 951         op->o_tag = LDAP_REQ_ADD;
 952
 953         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
 954
 955         if ( rc != LDAP_SUCCESS ) {
 956 #ifdef NEW_LOGGING
 957                 LDAP_LOG( OPERATION, ERR,
 958                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
 959 #else
 960                 Debug( LDAP_DEBUG_ANY,
 961                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
 962 #endif
 963                 return rc;
 964         }
 965
 966         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
 967         ber_dupbv( &op->o_req_dn, &dn );
 968         ber_dupbv( &op->o_req_ndn, &ndn );
 969         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
 970         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
 971
 972         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
 973                 return LDAP_SUCCESS;
 974         }
 975
 976         if ( entry == NULL ) {
 977                 return -1;
 978         }
 979
 980         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
 981         *entry = e;
 982         e->e_name = op->o_req_dn;
 983         e->e_nname = op->o_req_ndn;
 984
 985         while ( ber_remaining( ber ) ) {
 986                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
 987                         LBER_ERROR ) || ( tmp.sml_type.bv_val == NULL ))
 988                 {
 989                         break;
 990                 }
 991
 992                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ));
 993
 994                 mod->sml_op = LDAP_MOD_REPLACE;
 995                 mod->sml_next = NULL;
 996                 mod->sml_desc = NULL;
 997                 mod->sml_type = tmp.sml_type;
 998                 mod->sml_values = tmp.sml_values;
 999                 mod->sml_nvalues = NULL;
1000
1001                 *modtail = mod;
1002                 modtail = &mod->sml_next;
1003         }
1004
1005         if ( *modlist == NULL ) {
1006 #ifdef NEW_LOGGING
1007                 LDAP_LOG( OPERATION, ERR,
1008                         "syncrepl_message_to_entry: no attributes\n", 0, 0, 0 );
1009 #else
1010                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: no attributes\n",
1011                         0, 0, 0 );
1012 #endif
1013         }
1014
1015         rc = slap_mods_check( *modlist, 1, &text, txtbuf, textlen, NULL );
1016
1017         if ( rc != LDAP_SUCCESS ) {
1018 #ifdef NEW_LOGGING
1019                 LDAP_LOG( OPERATION, ERR,
1020                         "syncrepl_message_to_entry: mods check (%s)\n", text, 0, 0 );
1021 #else
1022                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods check (%s)\n",
1023                         text, 0, 0 );
1024 #endif
1025                 goto done;
1026         }
1027
1028         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1029         if( rc != LDAP_SUCCESS ) {
1030 #ifdef NEW_LOGGING
1031                 LDAP_LOG( OPERATION, ERR,
1032                         "syncrepl_message_to_entry: mods2entry (%s)\n", text, 0, 0 );
1033 #else
1034                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods2entry (%s)\n",
1035                         text, 0, 0 );
1036 #endif
1037         }
1038
1039 done:
1040         ber_free ( ber, 0 );
1041         if ( rc != LDAP_SUCCESS ) {
1042                 entry_free( e );
1043                 e = NULL;
1044         }
1045
1046         return rc;
1047 }
1048
1049 int
1050 syncrepl_entry(
1051         syncinfo_t* si,
1052         Operation *op,
1053         Entry* e,
1054         Modifications* modlist,
1055         int syncstate,
1056         struct berval* syncUUID,
1057         struct sync_cookie* syncCookie_req )
1058 {
1059         Backend *be = op->o_bd;
1060         slap_callback   cb = { NULL };
1061         struct berval   *syncuuid_bv = NULL;
1062         struct berval   syncUUID_strrep = BER_BVNULL;
1063         struct berval   uuid_bv = BER_BVNULL;
1064
1065         SlapReply       rs = {REP_RESULT};
1066         Filter f = {0};
1067         AttributeAssertion ava = {0};
1068         int rc = LDAP_SUCCESS;
1069         int ret = LDAP_SUCCESS;
1070         const char *text;
1071
1072         struct berval pdn = BER_BVNULL;
1073         struct berval org_req_dn = BER_BVNULL;
1074         struct berval org_req_ndn = BER_BVNULL;
1075         struct berval org_dn = BER_BVNULL;
1076         struct berval org_ndn = BER_BVNULL;
1077         int     org_managedsait;
1078
1079         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD )) {
1080                 syncuuid_bv = ber_dupbv( NULL, syncUUID );
1081                 avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1082                         syncuuid_cmp, avl_dup_error );
1083         }
1084
1085         if ( syncstate == LDAP_SYNC_PRESENT ) {
1086                 return e ? 1 : 0;
1087         }
1088
1089         f.f_choice = LDAP_FILTER_EQUALITY;
1090         f.f_ava = &ava;
1091         ava.aa_desc = slap_schema.si_ad_entryUUID;
1092         slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1093         ava.aa_value = *syncUUID;
1094         op->ors_filter = &f;
1095
1096         op->ors_filterstr.bv_len = (sizeof("entryUUID=")-1) + syncUUID->bv_len;
1097         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
1098                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1099         AC_MEMCPY( op->ors_filterstr.bv_val, "entryUUID=", sizeof("entryUUID=")-1 );
1100         AC_MEMCPY( &op->ors_filterstr.bv_val[sizeof("entryUUID=")-1],
1101                 syncUUID->bv_val, syncUUID->bv_len );
1102         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1103
1104         op->o_tag = LDAP_REQ_SEARCH;
1105         op->ors_scope = LDAP_SCOPE_SUBTREE;
1106
1107         /* get syncrepl cookie of shadow replica from subentry */
1108         op->o_req_dn = si->si_base;
1109         op->o_req_ndn = si->si_base;
1110
1111         /* set callback function */
1112         op->o_callback = &cb;
1113         cb.sc_response = dn_callback;
1114         cb.sc_private = si;
1115
1116         si->si_syncUUID_ndn.bv_val = NULL;
1117
1118         if ( limits_check( op, &rs ) == 0 ) {
1119                 rc = be->be_search( op, &rs );
1120         }
1121
1122         if ( op->ors_filterstr.bv_val ) {
1123                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1124         }
1125
1126         cb.sc_response = null_callback;
1127         cb.sc_private = si;
1128
1129         if ( rc == LDAP_SUCCESS && si->si_syncUUID_ndn.bv_val ) {
1130                 char *subseq_ptr;
1131
1132                 if ( syncstate != LDAP_SYNC_DELETE ) {
1133                         op->o_no_psearch = 1;
1134                 }
1135
1136                 ber_dupbv( &op->o_sync_csn, syncCookie_req->ctxcsn );
1137                 if ( op->o_sync_csn.bv_val ) {
1138                         subseq_ptr = strstr( op->o_sync_csn.bv_val, "#0000" );
1139                         subseq_ptr += 4;
1140                         *subseq_ptr = '1';
1141                 }
1142
1143                 op->o_req_dn = si->si_syncUUID_ndn;
1144                 op->o_req_ndn = si->si_syncUUID_ndn;
1145                 op->o_tag = LDAP_REQ_DELETE;
1146                 rc = be->be_delete( op, &rs );
1147
1148                 org_req_dn = op->o_req_dn;
1149                 org_req_ndn = op->o_req_ndn;
1150                 org_dn = op->o_dn;
1151                 org_ndn = op->o_ndn;
1152                 org_managedsait = get_manageDSAit( op );
1153                 op->o_dn = op->o_bd->be_rootdn;
1154                 op->o_ndn = op->o_bd->be_rootndn;
1155                 op->o_managedsait = 1;
1156
1157                 while ( rs.sr_err == LDAP_SUCCESS && op->o_delete_glue_parent ) {
1158                         op->o_delete_glue_parent = 0;
1159                         if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1160                                 slap_callback cb = { NULL };
1161                                 cb.sc_response = slap_null_cb;
1162                                 dnParent( &op->o_req_ndn, &pdn );
1163                                 op->o_req_dn = pdn;
1164                                 op->o_req_ndn = pdn;
1165                                 op->o_callback = &cb;
1166                                 op->o_bd->be_delete( op, &rs );
1167                         } else {
1168                                 break;
1169                     }
1170                 }
1171
1172                 op->o_managedsait = org_managedsait;
1173                 op->o_dn = org_dn;
1174                 op->o_ndn = org_ndn;
1175                 op->o_req_dn = org_req_dn;
1176                 op->o_req_ndn = org_req_ndn;
1177                 op->o_delete_glue_parent = 0;
1178
1179                 op->o_no_psearch = 0;
1180         }
1181
1182         switch ( syncstate ) {
1183         case LDAP_SYNC_ADD:
1184         case LDAP_SYNC_MODIFY:
1185                 if ( rc == LDAP_SUCCESS ||
1186                          rc == LDAP_REFERRAL ||
1187                          rc == LDAP_NO_SUCH_OBJECT ||
1188                          rc == LDAP_NOT_ALLOWED_ON_NONLEAF )
1189                 {
1190                         attr_delete( &e->e_attrs, slap_schema.si_ad_entryUUID );
1191                         attr_merge_one( e, slap_schema.si_ad_entryUUID,
1192                                 syncUUID, &ava.aa_value );
1193
1194                         op->o_tag = LDAP_REQ_ADD;
1195                         op->ora_e = e;
1196                         op->o_req_dn = e->e_name;
1197                         op->o_req_ndn = e->e_nname;
1198                         rc = be->be_add( op, &rs );
1199
1200                         if ( rc != LDAP_SUCCESS ) {
1201                                 if ( rc == LDAP_ALREADY_EXISTS ) {
1202                                         Modifications *mod;
1203                                         Modifications *modtail = modlist;
1204
1205                                         assert( modlist );
1206
1207                                         for ( mod = modlist; mod != NULL; mod = mod->sml_next ) {
1208                                                 modtail = mod;
1209                                         }
1210
1211                                         mod = (Modifications *)ch_calloc(1, sizeof(Modifications));
1212                                         ber_dupbv( &uuid_bv, syncUUID );
1213                                         mod->sml_op = LDAP_MOD_REPLACE;
1214                                         mod->sml_desc = slap_schema.si_ad_entryUUID;
1215                                         mod->sml_type = mod->sml_desc->ad_cname;
1216                                         ber_bvarray_add( &mod->sml_values, &uuid_bv );
1217                                         modtail->sml_next = mod;
1218
1219                                         op->o_tag = LDAP_REQ_MODIFY;
1220                                         op->orm_modlist = modlist;
1221                                         op->o_req_dn = e->e_name;
1222                                         op->o_req_ndn = e->e_nname;
1223
1224                                         rc = be->be_modify( op, &rs );
1225                                         if ( rc != LDAP_SUCCESS ) {
1226 #ifdef NEW_LOGGING
1227                                                 LDAP_LOG( OPERATION, ERR,
1228                                                         "syncrepl_entry : be_modify failed (%d)\n",
1229                                                         rc, 0, 0 );
1230 #else
1231                                                 Debug( LDAP_DEBUG_ANY,
1232                                                         "syncrepl_entry : be_modify failed (%d)\n",
1233                                                         rc, 0, 0 );
1234 #endif
1235                                         }
1236                                         ret = 1;
1237                                         goto done;
1238                                 } else if ( rc == LDAP_REFERRAL || rc == LDAP_NO_SUCH_OBJECT ) {
1239                                         syncrepl_add_glue( op, e );
1240                                         ret = 0;
1241                                         goto done;
1242                                 } else {
1243 #ifdef NEW_LOGGING
1244                                         LDAP_LOG( OPERATION, ERR,
1245                                                 "syncrepl_entry : be_add failed (%d)\n",
1246                                                 rc, 0, 0 );
1247 #else
1248                                         Debug( LDAP_DEBUG_ANY,
1249                                                 "syncrepl_entry : be_add failed (%d)\n",
1250                                                 rc, 0, 0 );
1251 #endif
1252                                         ret = 1;
1253                                         goto done;
1254                                 }
1255                         } else {
1256                                 be_entry_release_w( op, e );
1257                                 ret = 0;
1258                                 goto done;
1259                         }
1260                 } else {
1261 #ifdef NEW_LOGGING
1262                         LDAP_LOG( OPERATION, ERR,
1263                                 "syncrepl_entry : be_search failed (%d)\n", rc, 0, 0 );
1264 #else
1265                         Debug( LDAP_DEBUG_ANY,
1266                                 "syncrepl_entry : be_search failed (%d)\n", rc, 0, 0 );
1267 #endif
1268                         ret = 1;
1269                         goto done;
1270                 }
1271
1272         case LDAP_SYNC_DELETE :
1273                 /* Already deleted */
1274                 ret = 0;
1275                 goto done;
1276
1277         default :
1278 #ifdef NEW_LOGGING
1279                 LDAP_LOG( OPERATION, ERR,
1280                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1281 #else
1282                 Debug( LDAP_DEBUG_ANY,
1283                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1284 #endif
1285                 ret = 1;
1286                 goto done;
1287         }
1288
1289 done :
1290
1291         if ( syncUUID_strrep.bv_val ) {
1292                 ber_memfree_x( syncUUID_strrep.bv_val, op->o_tmpmemctx );
1293         }
1294         if ( si->si_syncUUID_ndn.bv_val ) {
1295                 ber_memfree_x( si->si_syncUUID_ndn.bv_val, op->o_tmpmemctx );
1296         }
1297         return ret;
1298 }
1299
1300 static struct berval gcbva[] = {
1301         BER_BVC("top"),
1302         BER_BVC("glue"),
1303         BER_BVNULL
1304 };
1305
1306 static void
1307 syncrepl_del_nonpresent(
1308         Operation *op,
1309         syncinfo_t *si )
1310 {
1311         Backend* be = op->o_bd;
1312         slap_callback   cb = { NULL };
1313         SlapReply       rs = {REP_RESULT};
1314         struct nonpresent_entry *np_list, *np_prev;
1315         int rc;
1316         Modifications *ml;
1317         Modifications *mlnext;
1318         Modifications *mod;
1319         Modifications *modlist = NULL;
1320         Modifications **modtail = &modlist;
1321         Attribute       *attr;
1322
1323         struct berval pdn = BER_BVNULL;
1324         struct berval org_req_dn = BER_BVNULL;
1325         struct berval org_req_ndn = BER_BVNULL;
1326         struct berval org_dn = BER_BVNULL;
1327         struct berval org_ndn = BER_BVNULL;
1328         int     org_managedsait;
1329
1330         op->o_req_dn = si->si_base;
1331         op->o_req_ndn = si->si_base;
1332
1333         cb.sc_response = nonpresent_callback;
1334         cb.sc_private = si;
1335
1336         op->o_callback = &cb;
1337         op->o_tag = LDAP_REQ_SEARCH;
1338         op->ors_scope = si->si_scope;
1339         op->ors_deref = LDAP_DEREF_NEVER;
1340         op->ors_slimit = 0;
1341         op->ors_tlimit = 0;
1342         op->ors_attrsonly = 0;
1343         op->ors_attrs = NULL;
1344         op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
1345         op->ors_filterstr = si->si_filterstr;
1346
1347         op->o_nocaching = 1;
1348         op->o_managedsait = 0;
1349
1350         if ( limits_check( op, &rs ) == 0 ) {
1351                 be->be_search( op, &rs );
1352         }
1353
1354         op->o_managedsait = 1;
1355         op->o_nocaching = 0;
1356
1357         if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
1358
1359         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
1360                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
1361                 while ( np_list != NULL ) {
1362                         LDAP_LIST_REMOVE( np_list, npe_link );
1363                         np_prev = np_list;
1364                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
1365                         op->o_tag = LDAP_REQ_DELETE;
1366                         op->o_callback = &cb;
1367                         cb.sc_response = null_callback;
1368                         cb.sc_private = si;
1369                         op->o_req_dn = *np_prev->npe_name;
1370                         op->o_req_ndn = *np_prev->npe_nname;
1371                         rc = op->o_bd->be_delete( op, &rs );
1372
1373                         if ( rc == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
1374                                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1375                                 mod->sml_op = LDAP_MOD_REPLACE;
1376                                 mod->sml_desc = slap_schema.si_ad_objectClass;
1377                                 mod->sml_type = mod->sml_desc->ad_cname;
1378                                 mod->sml_values = &gcbva[0];
1379                                 *modtail = mod;
1380                                 modtail = &mod->sml_next;
1381
1382                                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1383                                 mod->sml_op = LDAP_MOD_REPLACE;
1384                                 mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
1385                                 mod->sml_type = mod->sml_desc->ad_cname;
1386                                 mod->sml_values = &gcbva[1];
1387                                 *modtail = mod;
1388                                 modtail = &mod->sml_next;
1389
1390                                 op->o_tag = LDAP_REQ_MODIFY;
1391                                 op->orm_modlist = modlist;
1392
1393                                 rc = be->be_modify( op, &rs );
1394
1395                                 for ( ml = modlist; ml != NULL; ml = mlnext ) {
1396                                         mlnext = ml->sml_next;
1397                                         free( ml );
1398                                 }
1399                         }
1400
1401                         org_req_dn = op->o_req_dn;
1402                         org_req_ndn = op->o_req_ndn;
1403                         org_dn = op->o_dn;
1404                         org_ndn = op->o_ndn;
1405                         org_managedsait = get_manageDSAit( op );
1406                         op->o_dn = op->o_bd->be_rootdn;
1407                         op->o_ndn = op->o_bd->be_rootndn;
1408                         op->o_managedsait = 1;
1409
1410                         while ( rs.sr_err == LDAP_SUCCESS &&
1411                                         op->o_delete_glue_parent ) {
1412                                 op->o_delete_glue_parent = 0;
1413                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1414                                         slap_callback cb = { NULL };
1415                                         cb.sc_response = slap_null_cb;
1416                                         dnParent( &op->o_req_ndn, &pdn );
1417                                         op->o_req_dn = pdn;
1418                                         op->o_req_ndn = pdn;
1419                                         op->o_callback = &cb;
1420                                         /* give it a root privil ? */
1421                                         op->o_bd->be_delete( op, &rs );
1422                                 } else {
1423                                         break;
1424                             }
1425                         }
1426
1427                         op->o_managedsait = org_managedsait;
1428                         op->o_dn = org_dn;
1429                         op->o_ndn = org_ndn;
1430                         op->o_req_dn = org_req_dn;
1431                         op->o_req_ndn = org_req_ndn;
1432                         op->o_delete_glue_parent = 0;
1433
1434                         ber_bvfree( np_prev->npe_name );
1435                         ber_bvfree( np_prev->npe_nname );
1436                         op->o_req_dn.bv_val = NULL;
1437                         op->o_req_ndn.bv_val = NULL;
1438                         ch_free( np_prev );
1439                 }
1440         }
1441
1442         return;
1443 }
1444
1445 void
1446 syncrepl_add_glue(
1447         Operation* op,
1448         Entry *e )
1449 {
1450         Backend *be = op->o_bd;
1451         slap_callback cb = { NULL };
1452         Attribute       *a;
1453         int     rc;
1454         int suffrdns;
1455         int i;
1456         struct berval dn = {0, NULL};
1457         struct berval ndn = {0, NULL};
1458         Entry   *glue;
1459         SlapReply       rs = {REP_RESULT};
1460         char    *ptr, *comma;
1461
1462         op->o_tag = LDAP_REQ_ADD;
1463         op->o_callback = &cb;
1464         cb.sc_response = null_callback;
1465         cb.sc_private = NULL;
1466
1467         dn = e->e_name;
1468         ndn = e->e_nname;
1469
1470         /* count RDNs in suffix */
1471         if ( be->be_nsuffix[0].bv_len ) {
1472                 for (i=0, ptr=be->be_nsuffix[0].bv_val; ptr; ptr=strchr( ptr, ',' )) {
1473                         ptr++;
1474                         i++;
1475                 }
1476                 suffrdns = i;
1477         } else {
1478                 /* suffix is "" */
1479                 suffrdns = 0;
1480         }
1481
1482         /* Start with BE suffix */
1483         for ( i = 0, ptr = NULL; i < suffrdns; i++ ) {
1484                 comma = strrchr(dn.bv_val, ',');
1485                 if ( ptr ) *ptr = ',';
1486                 if ( comma ) *comma = '\0';
1487                 ptr = comma;
1488         }
1489         if ( ptr ) {
1490                 *ptr++ = ',';
1491                 dn.bv_len -= ptr - dn.bv_val;
1492                 dn.bv_val = ptr;
1493         }
1494         /* the normalizedDNs are always the same length, no counting
1495          * required.
1496          */
1497         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
1498                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
1499                 ndn.bv_len = be->be_nsuffix[0].bv_len;
1500         }
1501
1502         while ( ndn.bv_val > e->e_nname.bv_val ) {
1503                 glue = (Entry *) ch_calloc( 1, sizeof(Entry) );
1504                 ber_dupbv( &glue->e_name, &dn );
1505                 ber_dupbv( &glue->e_nname, &ndn );
1506
1507                 a = ch_calloc( 1, sizeof( Attribute ));
1508                 a->a_desc = slap_schema.si_ad_objectClass;
1509
1510                 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
1511                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
1512                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
1513                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
1514
1515                 a->a_nvals = a->a_vals;
1516
1517                 a->a_next = glue->e_attrs;
1518                 glue->e_attrs = a;
1519
1520                 a = ch_calloc( 1, sizeof( Attribute ));
1521                 a->a_desc = slap_schema.si_ad_structuralObjectClass;
1522
1523                 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
1524                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
1525                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
1526
1527                 a->a_nvals = a->a_vals;
1528
1529                 a->a_next = glue->e_attrs;
1530                 glue->e_attrs = a;
1531
1532                 op->o_req_dn = glue->e_name;
1533                 op->o_req_ndn = glue->e_nname;
1534                 op->ora_e = glue;
1535                 rc = be->be_add ( op, &rs );
1536                 if ( rc == LDAP_SUCCESS ) {
1537                         be_entry_release_w( op, glue );
1538                 } else {
1539                 /* incl. ALREADY EXIST */
1540                         entry_free( glue );
1541                 }
1542
1543                 /* Move to next child */
1544                 for (ptr = dn.bv_val-2; ptr > e->e_name.bv_val && *ptr != ','; ptr--) {
1545                         /* empty */
1546                 }
1547                 if ( ptr == e->e_name.bv_val ) break;
1548                 dn.bv_val = ++ptr;
1549                 dn.bv_len = e->e_name.bv_len - (ptr-e->e_name.bv_val);
1550                 for( ptr = ndn.bv_val-2;
1551                         ptr > e->e_nname.bv_val && *ptr != ',';
1552                         ptr--)
1553                 {
1554                         /* empty */
1555                 }
1556                 ndn.bv_val = ++ptr;
1557                 ndn.bv_len = e->e_nname.bv_len - (ptr-e->e_nname.bv_val);
1558         }
1559
1560         op->o_req_dn = e->e_name;
1561         op->o_req_ndn = e->e_nname;
1562         op->ora_e = e;
1563         rc = be->be_add ( op, &rs );
1564         if ( rc == LDAP_SUCCESS ) {
1565                 be_entry_release_w( op, e );
1566         } else {
1567                 entry_free( e );
1568         }
1569
1570         return;
1571 }
1572
1573 static struct berval ocbva[] = {
1574         BER_BVC("top"),
1575         BER_BVC("subentry"),
1576         BER_BVC("syncConsumerSubentry"),
1577         BER_BVNULL
1578 };
1579
1580 static struct berval cnbva[] = {
1581         BER_BVNULL,
1582         BER_BVNULL
1583 };
1584
1585 static struct berval ssbva[] = {
1586         BER_BVC("{}"),
1587         BER_BVNULL
1588 };
1589
1590 static struct berval scbva[] = {
1591         BER_BVNULL,
1592         BER_BVNULL
1593 };
1594
1595 void
1596 syncrepl_updateCookie(
1597         syncinfo_t *si,
1598         Operation *op,
1599         struct berval *pdn,
1600         struct sync_cookie *syncCookie )
1601 {
1602         Backend *be = op->o_bd;
1603         Modifications *ml;
1604         Modifications *mlnext;
1605         Modifications *mod;
1606         Modifications *modlist = NULL;
1607         Modifications **modtail = &modlist;
1608
1609         const char      *text;
1610         char txtbuf[SLAP_TEXT_BUFLEN];
1611         size_t textlen = sizeof txtbuf;
1612
1613         Entry* e = NULL;
1614         int rc;
1615
1616         char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
1617         struct berval slap_syncrepl_dn_bv = BER_BVNULL;
1618         struct berval slap_syncrepl_cn_bv = BER_BVNULL;
1619
1620         slap_callback cb = { NULL };
1621         SlapReply       rs = {REP_RESULT};
1622
1623         slap_sync_cookie_free( &si->si_syncCookie, 0 );
1624         slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
1625
1626         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1627         mod->sml_op = LDAP_MOD_REPLACE;
1628         mod->sml_desc = slap_schema.si_ad_objectClass;
1629         mod->sml_type = mod->sml_desc->ad_cname;
1630         mod->sml_values = ocbva;
1631         *modtail = mod;
1632         modtail = &mod->sml_next;
1633
1634         ber_dupbv( &cnbva[0], (struct berval *) &slap_syncrepl_bvc );
1635         assert( si->si_rid < 1000 );
1636         cnbva[0].bv_len = snprintf( cnbva[0].bv_val,
1637                 slap_syncrepl_bvc.bv_len + 1,
1638                 "syncrepl%ld", si->si_rid );
1639         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1640         mod->sml_op = LDAP_MOD_REPLACE;
1641         mod->sml_desc = slap_schema.si_ad_cn;
1642         mod->sml_type = mod->sml_desc->ad_cname;
1643         mod->sml_values = cnbva;
1644         *modtail = mod;
1645         modtail = &mod->sml_next;
1646
1647         if ( scbva[0].bv_val ) ch_free( scbva[0].bv_val );
1648         ber_dupbv( &scbva[0], &si->si_syncCookie.octet_str[0] );
1649         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1650         mod->sml_op = LDAP_MOD_REPLACE;
1651         mod->sml_desc = slap_schema.si_ad_syncreplCookie;
1652         mod->sml_type = mod->sml_desc->ad_cname;
1653         mod->sml_values = scbva;
1654         *modtail = mod;
1655         modtail = &mod->sml_next;
1656
1657         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1658         mod->sml_op = LDAP_MOD_REPLACE;
1659         mod->sml_desc = slap_schema.si_ad_subtreeSpecification;
1660         mod->sml_type = mod->sml_desc->ad_cname;
1661         mod->sml_values = ssbva;
1662         *modtail = mod;
1663         modtail = &mod->sml_next;
1664
1665         mlnext = mod;
1666
1667         op->o_tag = LDAP_REQ_ADD;
1668         rc = slap_mods_opattrs( op, modlist, modtail,
1669                  &text, txtbuf, textlen );
1670
1671         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
1672                 ml->sml_op = LDAP_MOD_REPLACE;
1673         }
1674
1675         if( rc != LDAP_SUCCESS ) {
1676 #ifdef NEW_LOGGING
1677                 LDAP_LOG( OPERATION, ERR,
1678                         "syncrepl_updateCookie: mods opattrs (%s)\n", text, 0, 0 );
1679 #else
1680                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods opattrs (%s)\n",
1681                          text, 0, 0 );
1682 #endif
1683         }
1684
1685         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1686
1687         slap_syncrepl_cn_bv.bv_val = syncrepl_cbuf;
1688         assert( si->si_rid < 1000 );
1689         slap_syncrepl_cn_bv.bv_len = snprintf( slap_syncrepl_cn_bv.bv_val,
1690                 slap_syncrepl_cn_bvc.bv_len + 1,
1691                 "cn=syncrepl%ld", si->si_rid );
1692
1693         build_new_dn( &slap_syncrepl_dn_bv, pdn, &slap_syncrepl_cn_bv,
1694                 op->o_tmpmemctx );
1695         ber_dupbv( &e->e_name, &slap_syncrepl_dn_bv );
1696         ber_dupbv( &e->e_nname, &slap_syncrepl_dn_bv );
1697
1698         if ( slap_syncrepl_dn_bv.bv_val ) {
1699                 slap_sl_free( slap_syncrepl_dn_bv.bv_val, op->o_tmpmemctx );
1700         }
1701
1702         e->e_attrs = NULL;
1703
1704         rc = slap_mods2entry( modlist, &e, 1, 1, &text, txtbuf, textlen );
1705
1706         if( rc != LDAP_SUCCESS ) {
1707 #ifdef NEW_LOGGING
1708                 LDAP_LOG( OPERATION, ERR,
1709                         "syncrepl_updateCookie: mods2entry (%s)\n", text, 0, 0 );
1710 #else
1711                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods2entry (%s)\n",
1712                          text, 0, 0 );
1713 #endif
1714         }
1715
1716         cb.sc_response = null_callback;
1717         cb.sc_private = si;
1718
1719         op->o_callback = &cb;
1720         op->o_req_dn = e->e_name;
1721         op->o_req_ndn = e->e_nname;
1722
1723         /* update persistent cookie */
1724 update_cookie_retry:
1725         op->o_tag = LDAP_REQ_MODIFY;
1726         op->orm_modlist = modlist;
1727         rc = be->be_modify( op, &rs );
1728
1729         if ( rc != LDAP_SUCCESS ) {
1730                 if ( rc == LDAP_REFERRAL ||
1731                          rc == LDAP_NO_SUCH_OBJECT ) {
1732                         op->o_tag = LDAP_REQ_ADD;
1733                         op->ora_e = e;
1734                         rc = be->be_add( op, &rs );
1735                         if ( rc != LDAP_SUCCESS ) {
1736                                 if ( rc == LDAP_ALREADY_EXISTS ) {
1737                                         goto update_cookie_retry;
1738                                 } else if ( rc == LDAP_REFERRAL ||
1739                                                         rc == LDAP_NO_SUCH_OBJECT ) {
1740 #ifdef NEW_LOGGING
1741                                         LDAP_LOG( OPERATION, ERR,
1742                                                 "cookie will be non-persistent\n",
1743                                                 0, 0, 0 );
1744 #else
1745                                         Debug( LDAP_DEBUG_ANY,
1746                                                 "cookie will be non-persistent\n",
1747                                                 0, 0, 0 );
1748 #endif
1749                                 } else {
1750 #ifdef NEW_LOGGING
1751                                         LDAP_LOG( OPERATION, ERR,
1752                                                 "be_add failed (%d)\n",
1753                                                 rc, 0, 0 );
1754 #else
1755                                         Debug( LDAP_DEBUG_ANY,
1756                                                 "be_add failed (%d)\n",
1757                                                 rc, 0, 0 );
1758 #endif
1759                                 }
1760                         } else {
1761                                 be_entry_release_w( op, e );
1762                                 goto done;
1763                         }
1764                 } else {
1765 #ifdef NEW_LOGGING
1766                         LDAP_LOG( OPERATION, ERR,
1767                                 "be_modify failed (%d)\n", rc, 0, 0 );
1768 #else
1769                         Debug( LDAP_DEBUG_ANY,
1770                                 "be_modify failed (%d)\n", rc, 0, 0 );
1771 #endif
1772                 }
1773         }
1774
1775         if ( e != NULL ) {
1776                 entry_free( e );
1777         }
1778
1779 done :
1780
1781         if ( cnbva[0].bv_val ) {
1782                 ch_free( cnbva[0].bv_val );
1783                 cnbva[0].bv_val = NULL;
1784         }
1785         if ( scbva[0].bv_val ) {
1786                 ch_free( scbva[0].bv_val );
1787                 scbva[0].bv_val = NULL;
1788         }
1789
1790         if ( mlnext->sml_next ) {
1791                 slap_mods_free( mlnext->sml_next );
1792                 mlnext->sml_next = NULL;
1793         }
1794
1795         for (ml = modlist ; ml != NULL; ml = mlnext ) {
1796                 mlnext = ml->sml_next;
1797                 free( ml );
1798         }
1799
1800         return;
1801 }
1802
1803 int
1804 syncrepl_isupdate( Operation *op )
1805 {
1806         return ( syncrepl_isupdate_dn( op->o_bd, &op->o_ndn ));
1807 }
1808
1809 int
1810 syncrepl_isupdate_dn(
1811         Backend*                be,
1812         struct berval*  ndn )
1813 {
1814         syncinfo_t*     si;
1815         int                     ret = 0;
1816
1817         if ( !LDAP_STAILQ_EMPTY( &be->be_syncinfo )) {
1818                 LDAP_STAILQ_FOREACH( si, &be->be_syncinfo, si_next ) {
1819                         if ( ( ret = dn_match( &si->si_updatedn, ndn ) ) ) {
1820                                 return ret;
1821                         }
1822                 }
1823         }
1824         return 0;
1825 }
1826
1827 static int
1828 dn_callback(
1829         Operation*      op,
1830         SlapReply*      rs )
1831 {
1832         syncinfo_t *si = op->o_callback->sc_private;
1833
1834         if ( rs->sr_type == REP_SEARCH ) {
1835                 if ( si->si_syncUUID_ndn.bv_val != NULL ) {
1836 #ifdef NEW_LOGGING
1837                         LDAP_LOG( OPERATION, ERR,
1838                                 "dn_callback : multiple entries match dn\n", 0, 0, 0 );
1839 #else
1840                         Debug( LDAP_DEBUG_ANY,
1841                                 "dn_callback : multiple entries match dn\n", 0, 0, 0 );
1842 #endif
1843                 } else {
1844                         ber_dupbv_x( &si->si_syncUUID_ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
1845                 }
1846         }
1847
1848         return LDAP_SUCCESS;
1849 }
1850
1851 static int
1852 nonpresent_callback(
1853         Operation*      op,
1854         SlapReply*      rs )
1855 {
1856         syncinfo_t *si = op->o_callback->sc_private;
1857         Attribute *a;
1858         int count = 0;
1859         struct berval* present_uuid = NULL;
1860         struct nonpresent_entry *np_entry;
1861
1862         if ( rs->sr_type == REP_RESULT ) {
1863                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
1864                 si->si_presentlist = NULL;
1865
1866         } else if ( rs->sr_type == REP_SEARCH ) {
1867                 a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
1868
1869                 if ( a == NULL ) return 0;
1870
1871                 present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
1872                         syncuuid_cmp );
1873
1874                 if ( present_uuid == NULL ) {
1875                         np_entry = (struct nonpresent_entry *)
1876                                 ch_calloc( 1, sizeof( struct nonpresent_entry ));
1877                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
1878                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
1879                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
1880
1881                 } else {
1882                         avl_delete( &si->si_presentlist,
1883                                         &a->a_nvals[0], syncuuid_cmp );
1884                         ch_free( present_uuid->bv_val );
1885                         ch_free( present_uuid );
1886                 }
1887         }
1888         return LDAP_SUCCESS;
1889 }
1890
1891 static int
1892 null_callback(
1893         Operation*      op,
1894         SlapReply*      rs )
1895 {
1896         if ( rs->sr_err != LDAP_SUCCESS &&
1897                 rs->sr_err != LDAP_REFERRAL &&
1898                 rs->sr_err != LDAP_ALREADY_EXISTS &&
1899                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
1900                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
1901         {
1902 #ifdef NEW_LOGGING
1903                 LDAP_LOG( OPERATION, ERR,
1904                         "null_callback : error code 0x%x\n",
1905                         rs->sr_err, 0, 0 );
1906 #else
1907                 Debug( LDAP_DEBUG_ANY,
1908                         "null_callback : error code 0x%x\n",
1909                         rs->sr_err, 0, 0 );
1910 #endif
1911         }
1912         return LDAP_SUCCESS;
1913 }
1914
1915 Entry *
1916 slap_create_syncrepl_entry(
1917         Backend *be,
1918         struct berval *context_csn,
1919         struct berval *rdn,
1920         struct berval *cn )
1921 {
1922         Entry* e;
1923
1924         struct berval bv;
1925
1926         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1927
1928         attr_merge( e, slap_schema.si_ad_objectClass, ocbva, NULL );
1929
1930         attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
1931                 &ocbva[1], NULL );
1932
1933         attr_merge_one( e, slap_schema.si_ad_cn, cn, NULL );
1934
1935         if ( context_csn ) {
1936                 attr_merge_one( e, slap_schema.si_ad_syncreplCookie,
1937                         context_csn, NULL );
1938         }
1939
1940         bv.bv_val = "{}";
1941         bv.bv_len = sizeof("{}")-1;
1942         attr_merge_one( e, slap_schema.si_ad_subtreeSpecification, &bv, NULL );
1943
1944         build_new_dn( &e->e_name, &be->be_nsuffix[0], rdn, NULL );
1945         ber_dupbv( &e->e_nname, &e->e_name );
1946
1947         return e;
1948 }
1949
1950 struct berval *
1951 slap_uuidstr_from_normalized(
1952         struct berval* uuidstr,
1953         struct berval* normalized,
1954         void *ctx )
1955 {
1956         struct berval *new;
1957         unsigned char nibble;
1958         int i, d = 0;
1959
1960         if ( normalized == NULL ) return NULL;
1961         if ( normalized->bv_len != 16 ) return NULL;
1962
1963         if ( uuidstr ) {
1964                 new = uuidstr;
1965         } else {
1966                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
1967         }
1968
1969         new->bv_len = 36;
1970
1971         if (( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx )) == NULL) {
1972                 if ( !uuidstr ) slap_sl_free( new, ctx );
1973                 return NULL;
1974         }
1975
1976         for ( i = 0; i < 16; i++ ) {
1977                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
1978                         new->bv_val[(i<<1)+d] = '-';
1979                         d += 1;
1980                 }
1981
1982                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
1983                 if ( nibble < 10 ) {
1984                         new->bv_val[(i<<1)+d] = nibble + '0';
1985                 } else {
1986                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
1987                 }
1988
1989                 nibble = (normalized->bv_val[i]) & 0xF;
1990                 if ( nibble < 10 ) {
1991                         new->bv_val[(i<<1)+d+1] = nibble + '0';
1992                 } else {
1993                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
1994                 }
1995         }
1996
1997         new->bv_val[new->bv_len] = '\0';
1998         return new;
1999 }
2000
2001 static int
2002 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
2003 {
2004         const struct berval *uuid1 = v_uuid1;
2005         const struct berval *uuid2 = v_uuid2;
2006         int rc = uuid1->bv_len - uuid2->bv_len;
2007         if ( rc ) return rc;
2008         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
2009 }
2010
2011 static void
2012 avl_ber_bvfree( void *bv )
2013 {
2014         if( bv == NULL ) return;
2015         if ( ((struct berval *)bv)->bv_val != NULL ) {
2016                 ch_free( ((struct berval *)bv)->bv_val );
2017         }
2018         ch_free( (char *) bv );
2019 }