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