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 static struct berval uuidbva[] = {
1036         BER_BVNULL,
1037         BER_BVNULL
1038 };
1039
1040 int
1041 syncrepl_entry(
1042         syncinfo_t* si,
1043         Operation *op,
1044         Entry* e,
1045         Modifications* modlist,
1046         int syncstate,
1047         struct berval* syncUUID,
1048         struct sync_cookie* syncCookie_req
1049 )
1050 {
1051         Backend *be = op->o_bd;
1052         slap_callback   cb = { NULL };
1053         struct berval   *syncuuid_bv = NULL;
1054         struct berval   syncUUID_strrep = { 0, NULL };
1055
1056         SlapReply       rs = {REP_RESULT};
1057         Filter f = {0};
1058         AttributeAssertion ava = {0};
1059         int rc = LDAP_SUCCESS;
1060         int ret = LDAP_SUCCESS;
1061         const char *text;
1062
1063         struct berval pdn = { 0, NULL };
1064         struct berval org_req_dn = { 0, NULL };
1065         struct berval org_req_ndn = { 0, NULL };
1066         struct berval org_dn = { 0, NULL };
1067         struct berval org_ndn = { 0, NULL };
1068         int     org_managedsait;
1069
1070         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD ))
1071         {
1072                 syncuuid_bv = ber_dupbv( NULL, syncUUID );
1073                 avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1074                         syncuuid_cmp, avl_dup_error );
1075         }
1076
1077         if ( syncstate == LDAP_SYNC_PRESENT ) {
1078                 return e ? 1 : 0;
1079         }
1080
1081         f.f_choice = LDAP_FILTER_EQUALITY;
1082         f.f_ava = &ava;
1083         ava.aa_desc = slap_schema.si_ad_entryUUID;
1084         slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1085         ava.aa_value = *syncUUID;
1086         op->ors_filter = &f;
1087
1088         op->ors_filterstr.bv_len = (sizeof("entryUUID=")-1) + syncUUID->bv_len;
1089         op->ors_filterstr.bv_val = (char *) sl_malloc(
1090                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1091         AC_MEMCPY( op->ors_filterstr.bv_val, "entryUUID=", sizeof("entryUUID=")-1 );
1092         AC_MEMCPY( &op->ors_filterstr.bv_val[sizeof("entryUUID=")-1],
1093                 syncUUID->bv_val, syncUUID->bv_len );
1094         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1095
1096         op->ors_scope = LDAP_SCOPE_SUBTREE;
1097
1098         /* get syncrepl cookie of shadow replica from subentry */
1099         op->o_req_dn = si->si_base;
1100         op->o_req_ndn = si->si_base;
1101
1102         /* set callback function */
1103         op->o_callback = &cb;
1104         cb.sc_response = dn_callback;
1105         cb.sc_private = si;
1106
1107         si->si_syncUUID_ndn.bv_val = NULL;
1108
1109         rc = be->be_search( op, &rs );
1110
1111         if ( op->ors_filterstr.bv_val ) {
1112                 sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1113         }
1114
1115         cb.sc_response = null_callback;
1116         cb.sc_private = si;
1117
1118         if ( rc == LDAP_SUCCESS && si->si_syncUUID_ndn.bv_val )
1119         {
1120                 char *subseq_ptr;
1121
1122                 if ( syncstate != LDAP_SYNC_DELETE ) {
1123                         op->o_no_psearch = 1;
1124                 }
1125
1126                 ber_dupbv( &op->o_sync_csn, syncCookie_req->ctxcsn );
1127                 if ( op->o_sync_csn.bv_val ) {
1128                         subseq_ptr = strstr( op->o_sync_csn.bv_val, "#0000" );
1129                         subseq_ptr += 4;
1130                         *subseq_ptr = '1';
1131                 }
1132
1133                 op->o_req_dn = si->si_syncUUID_ndn;
1134                 op->o_req_ndn = si->si_syncUUID_ndn;
1135                 op->o_tag = LDAP_REQ_DELETE;
1136                 rc = be->be_delete( op, &rs );
1137
1138                 org_req_dn = op->o_req_dn;
1139                 org_req_ndn = op->o_req_ndn;
1140                 org_dn = op->o_dn;
1141                 org_ndn = op->o_ndn;
1142                 org_managedsait = get_manageDSAit( op );
1143                 op->o_dn = op->o_bd->be_rootdn;
1144                 op->o_ndn = op->o_bd->be_rootndn;
1145                 op->o_managedsait = 1;
1146
1147                 while ( rs.sr_err == LDAP_SUCCESS &&
1148                                 op->o_delete_glue_parent ) {
1149                         op->o_delete_glue_parent = 0;
1150                         if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1151                                 slap_callback cb = { NULL };
1152                                 cb.sc_response = slap_null_cb;
1153                                 dnParent( &op->o_req_ndn, &pdn );
1154                                 op->o_req_dn = pdn;
1155                                 op->o_req_ndn = pdn;
1156                                 op->o_callback = &cb;
1157                                 op->o_bd->be_delete( op, &rs );
1158                         } else {
1159                                 break;
1160                     }
1161                 }
1162
1163                 op->o_managedsait = org_managedsait;
1164                 op->o_dn = org_dn;
1165                 op->o_ndn = org_ndn;
1166                 op->o_req_dn = org_req_dn;
1167                 op->o_req_ndn = org_req_ndn;
1168                 op->o_delete_glue_parent = 0;
1169
1170                 op->o_no_psearch = 0;
1171         }
1172
1173         switch ( syncstate ) {
1174         case LDAP_SYNC_ADD:
1175         case LDAP_SYNC_MODIFY:
1176                 if ( rc == LDAP_SUCCESS ||
1177                          rc == LDAP_REFERRAL ||
1178                          rc == LDAP_NO_SUCH_OBJECT ||
1179                          rc == LDAP_NOT_ALLOWED_ON_NONLEAF )
1180                 {
1181                         attr_delete( &e->e_attrs, slap_schema.si_ad_entryUUID );
1182                         attr_merge_one( e, slap_schema.si_ad_entryUUID,
1183                                 syncUUID, &ava.aa_value );
1184
1185                         op->o_tag = LDAP_REQ_ADD;
1186                         op->ora_e = e;
1187                         op->o_req_dn = e->e_name;
1188                         op->o_req_ndn = e->e_nname;
1189                         rc = be->be_add( op, &rs );
1190
1191                         if ( rc != LDAP_SUCCESS ) {
1192                                 if ( rc == LDAP_ALREADY_EXISTS ) {
1193                                         Modifications *mod;
1194                                         Modifications *modtail;
1195
1196                                         for ( mod = modlist; mod != NULL; mod = mod->sml_next ) {
1197                                                 modtail = mod;
1198                                         }
1199
1200                                         mod = (Modifications *)ch_calloc(1, sizeof(Modifications));
1201                                         ber_dupbv( &uuidbva[0], syncUUID );
1202                                         mod->sml_op = LDAP_MOD_REPLACE;
1203                                         mod->sml_desc = slap_schema.si_ad_entryUUID;
1204                                         mod->sml_type = mod->sml_desc->ad_cname;
1205                                         mod->sml_bvalues = uuidbva;
1206                                         modtail->sml_next = mod;
1207
1208                                         op->o_tag = LDAP_REQ_MODIFY;
1209                                         op->orm_modlist = modlist;
1210                                         op->o_req_dn = e->e_name;
1211                                         op->o_req_ndn = e->e_nname;
1212
1213                                         rc = be->be_modify( op, &rs );
1214                                         if ( rc != LDAP_SUCCESS ) {
1215 #ifdef NEW_LOGGING
1216                                                 LDAP_LOG( OPERATION, ERR,
1217                                                         "syncrepl_entry : be_modify failed (%d)\n",
1218                                                         rc, 0, 0 );
1219 #else
1220                                                 Debug( LDAP_DEBUG_ANY,
1221                                                         "syncrepl_entry : be_modify failed (%d)\n",
1222                                                         rc, 0, 0 );
1223 #endif
1224                                         }
1225                                         ret = 1;
1226                                         goto done;
1227                                 } else if ( rc == LDAP_REFERRAL || rc == LDAP_NO_SUCH_OBJECT ) {
1228                                         syncrepl_add_glue( op, e );
1229                                         ret = 0;
1230                                         goto done;
1231                                 } else {
1232 #ifdef NEW_LOGGING
1233                                         LDAP_LOG( OPERATION, ERR,
1234                                                 "syncrepl_entry : be_add failed (%d)\n",
1235                                                 rc, 0, 0 );
1236 #else
1237                                         Debug( LDAP_DEBUG_ANY,
1238                                                 "syncrepl_entry : be_add failed (%d)\n",
1239                                                 rc, 0, 0 );
1240 #endif
1241                                         ret = 1;
1242                                         goto done;
1243                                 }
1244                         } else {
1245                                 be_entry_release_w( op, e );
1246                                 ret = 0;
1247                                 goto done;
1248                         }
1249                 } else {
1250 #ifdef NEW_LOGGING
1251                         LDAP_LOG( OPERATION, ERR,
1252                                 "syncrepl_entry : be_search failed (%d)\n", rc, 0, 0 );
1253 #else
1254                         Debug( LDAP_DEBUG_ANY,
1255                                 "syncrepl_entry : be_search failed (%d)\n", rc, 0, 0 );
1256 #endif
1257                         ret = 1;
1258                         goto done;
1259                 }
1260
1261         case LDAP_SYNC_DELETE :
1262                 /* Already deleted */
1263                 ret = 1;
1264                 goto done;
1265
1266         default :
1267 #ifdef NEW_LOGGING
1268                 LDAP_LOG( OPERATION, ERR,
1269                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1270 #else
1271                 Debug( LDAP_DEBUG_ANY,
1272                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1273 #endif
1274                 ret = 1;
1275                 goto done;
1276         }
1277
1278 done :
1279
1280         if ( syncUUID_strrep.bv_val ) {
1281                 ber_memfree_x( syncUUID_strrep.bv_val, op->o_tmpmemctx );
1282         }
1283         if ( si->si_syncUUID_ndn.bv_val ) {
1284                 ber_memfree_x( si->si_syncUUID_ndn.bv_val, op->o_tmpmemctx );
1285         }
1286         return ret;
1287 }
1288
1289 static struct berval gcbva[] = {
1290         BER_BVC("top"),
1291         BER_BVC("glue"),
1292         BER_BVNULL
1293 };
1294
1295 static void
1296 syncrepl_del_nonpresent(
1297         Operation *op,
1298         syncinfo_t *si
1299 )
1300 {
1301         Backend* be = op->o_bd;
1302         slap_callback   cb = { NULL };
1303         SlapReply       rs = {REP_RESULT};
1304         struct nonpresent_entry *np_list, *np_prev;
1305         int rc;
1306         Modifications *ml;
1307         Modifications *mlnext;
1308         Modifications *mod;
1309         Modifications *modlist = NULL;
1310         Modifications **modtail = &modlist;
1311         Attribute       *attr;
1312
1313         struct berval pdn = { 0, NULL };
1314         struct berval org_req_dn = { 0, NULL };
1315         struct berval org_req_ndn = { 0, NULL };
1316         struct berval org_dn = { 0, NULL };
1317         struct berval org_ndn = { 0, NULL };
1318         int     org_managedsait;
1319
1320         op->o_req_dn = si->si_base;
1321         op->o_req_ndn = si->si_base;
1322
1323         cb.sc_response = nonpresent_callback;
1324         cb.sc_private = si;
1325
1326         op->o_callback = &cb;
1327         op->o_tag = LDAP_REQ_SEARCH;
1328         op->ors_scope = si->si_scope;
1329         op->ors_deref = LDAP_DEREF_NEVER;
1330         op->ors_slimit = 0;
1331         op->ors_tlimit = 0;
1332         op->ors_attrsonly = 0;
1333         op->ors_attrs = NULL;
1334         op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
1335         op->ors_filterstr = si->si_filterstr;
1336
1337         op->o_nocaching = 1;
1338         op->o_managedsait = 0;
1339         be->be_search( op, &rs );
1340         op->o_managedsait = 1;
1341         op->o_nocaching = 0;
1342
1343         if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
1344
1345         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
1346                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
1347                 while ( np_list != NULL ) {
1348                         LDAP_LIST_REMOVE( np_list, npe_link );
1349                         np_prev = np_list;
1350                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
1351                         op->o_tag = LDAP_REQ_DELETE;
1352                         op->o_callback = &cb;
1353                         cb.sc_response = null_callback;
1354                         cb.sc_private = si;
1355                         op->o_req_dn = *np_prev->npe_name;
1356                         op->o_req_ndn = *np_prev->npe_nname;
1357                         rc = op->o_bd->be_delete( op, &rs );
1358
1359                         if ( rc == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
1360                                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1361                                 mod->sml_op = LDAP_MOD_REPLACE;
1362                                 mod->sml_desc = slap_schema.si_ad_objectClass;
1363                                 mod->sml_type = mod->sml_desc->ad_cname;
1364                                 mod->sml_bvalues = &gcbva[0];
1365                                 *modtail = mod;
1366                                 modtail = &mod->sml_next;
1367
1368                                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1369                                 mod->sml_op = LDAP_MOD_REPLACE;
1370                                 mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
1371                                 mod->sml_type = mod->sml_desc->ad_cname;
1372                                 mod->sml_bvalues = &gcbva[1];
1373                                 *modtail = mod;
1374                                 modtail = &mod->sml_next;
1375
1376                                 op->o_tag = LDAP_REQ_MODIFY;
1377                                 op->orm_modlist = modlist;
1378
1379                                 rc = be->be_modify( op, &rs );
1380
1381                                 for ( ml = modlist; ml != NULL; ml = mlnext ) {
1382                                         mlnext = ml->sml_next;
1383                                         free( ml );
1384                                 }
1385                         }
1386
1387                         org_req_dn = op->o_req_dn;
1388                         org_req_ndn = op->o_req_ndn;
1389                         org_dn = op->o_dn;
1390                         org_ndn = op->o_ndn;
1391                         org_managedsait = get_manageDSAit( op );
1392                         op->o_dn = op->o_bd->be_rootdn;
1393                         op->o_ndn = op->o_bd->be_rootndn;
1394                         op->o_managedsait = 1;
1395
1396                         while ( rs.sr_err == LDAP_SUCCESS &&
1397                                         op->o_delete_glue_parent ) {
1398                                 op->o_delete_glue_parent = 0;
1399                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1400                                         slap_callback cb = { NULL };
1401                                         cb.sc_response = slap_null_cb;
1402                                         dnParent( &op->o_req_ndn, &pdn );
1403                                         op->o_req_dn = pdn;
1404                                         op->o_req_ndn = pdn;
1405                                         op->o_callback = &cb;
1406                                         /* give it a root privil ? */
1407                                         op->o_bd->be_delete( op, &rs );
1408                                 } else {
1409                                         break;
1410                             }
1411                         }
1412
1413                         op->o_managedsait = org_managedsait;
1414                         op->o_dn = org_dn;
1415                         op->o_ndn = org_ndn;
1416                         op->o_req_dn = org_req_dn;
1417                         op->o_req_ndn = org_req_ndn;
1418                         op->o_delete_glue_parent = 0;
1419
1420                         ber_bvfree( np_prev->npe_name );
1421                         ber_bvfree( np_prev->npe_nname );
1422                         op->o_req_dn.bv_val = NULL;
1423                         op->o_req_ndn.bv_val = NULL;
1424                         ch_free( np_prev );
1425                 }
1426         }
1427
1428         return;
1429 }
1430
1431
1432 void
1433 syncrepl_add_glue(
1434         Operation* op,
1435         Entry *e
1436 )
1437 {
1438         Backend *be = op->o_bd;
1439         slap_callback cb = { NULL };
1440         Attribute       *a;
1441         int     rc;
1442         int suffrdns;
1443         int i;
1444         struct berval dn = {0, NULL};
1445         struct berval ndn = {0, NULL};
1446         Entry   *glue;
1447         SlapReply       rs = {REP_RESULT};
1448         char    *ptr, *comma;
1449
1450         op->o_tag = LDAP_REQ_ADD;
1451         op->o_callback = &cb;
1452         cb.sc_response = null_callback;
1453         cb.sc_private = NULL;
1454
1455         dn = e->e_name;
1456         ndn = e->e_nname;
1457
1458         /* count RDNs in suffix */
1459         if ( be->be_nsuffix[0].bv_len ) {
1460                 for (i=0, ptr=be->be_nsuffix[0].bv_val; ptr; ptr=strchr( ptr, ',' )) {
1461                         ptr++;
1462                         i++;
1463                 }
1464                 suffrdns = i;
1465         } else {
1466                 /* suffix is "" */
1467                 suffrdns = 0;
1468         }
1469
1470         /* Start with BE suffix */
1471         for ( i = 0, ptr = NULL; i < suffrdns; i++ ) {
1472                 comma = strrchr(dn.bv_val, ',');
1473                 if ( ptr ) *ptr = ',';
1474                 if ( comma ) *comma = '\0';
1475                 ptr = comma;
1476         }
1477         if ( ptr ) {
1478                 *ptr++ = ',';
1479                 dn.bv_len -= ptr - dn.bv_val;
1480                 dn.bv_val = ptr;
1481         }
1482         /* the normalizedDNs are always the same length, no counting
1483          * required.
1484          */
1485         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
1486                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
1487                 ndn.bv_len = be->be_nsuffix[0].bv_len;
1488         }
1489
1490         while ( ndn.bv_val > e->e_nname.bv_val ) {
1491                 glue = (Entry *) ch_calloc( 1, sizeof(Entry) );
1492                 ber_dupbv( &glue->e_name, &dn );
1493                 ber_dupbv( &glue->e_nname, &ndn );
1494
1495                 a = ch_calloc( 1, sizeof( Attribute ));
1496                 a->a_desc = slap_schema.si_ad_objectClass;
1497
1498                 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
1499                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
1500                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
1501                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
1502
1503                 a->a_nvals = a->a_vals;
1504
1505                 a->a_next = glue->e_attrs;
1506                 glue->e_attrs = a;
1507
1508                 a = ch_calloc( 1, sizeof( Attribute ));
1509                 a->a_desc = slap_schema.si_ad_structuralObjectClass;
1510
1511                 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
1512                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
1513                 ber_dupbv( &a->a_vals[1], &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                 op->o_req_dn = glue->e_name;
1521                 op->o_req_ndn = glue->e_nname;
1522                 op->ora_e = glue;
1523                 rc = be->be_add ( op, &rs );
1524                 if ( rc == LDAP_SUCCESS ) {
1525                         be_entry_release_w( op, glue );
1526                 } else {
1527                 /* incl. ALREADY EXIST */
1528                         entry_free( glue );
1529                 }
1530
1531                 /* Move to next child */
1532                 for (ptr = dn.bv_val-2; ptr > e->e_name.bv_val && *ptr != ','; ptr--) {
1533                         /* empty */
1534                 }
1535                 if ( ptr == e->e_name.bv_val ) break;
1536                 dn.bv_val = ++ptr;
1537                 dn.bv_len = e->e_name.bv_len - (ptr-e->e_name.bv_val);
1538                 for( ptr = ndn.bv_val-2;
1539                         ptr > e->e_nname.bv_val && *ptr != ',';
1540                         ptr--)
1541                 {
1542                         /* empty */
1543                 }
1544                 ndn.bv_val = ++ptr;
1545                 ndn.bv_len = e->e_nname.bv_len - (ptr-e->e_nname.bv_val);
1546         }
1547
1548         op->o_req_dn = e->e_name;
1549         op->o_req_ndn = e->e_nname;
1550         op->ora_e = e;
1551         rc = be->be_add ( op, &rs );
1552         if ( rc == LDAP_SUCCESS ) {
1553                 be_entry_release_w( op, e );
1554         } else {
1555                 entry_free( e );
1556         }
1557
1558         return;
1559 }
1560
1561 static struct berval ocbva[] = {
1562         BER_BVC("top"),
1563         BER_BVC("subentry"),
1564         BER_BVC("syncConsumerSubentry"),
1565         BER_BVNULL
1566 };
1567
1568 static struct berval cnbva[] = {
1569         BER_BVNULL,
1570         BER_BVNULL
1571 };
1572
1573 static struct berval ssbva[] = {
1574         BER_BVC("{}"),
1575         BER_BVNULL
1576 };
1577
1578 static struct berval scbva[] = {
1579         BER_BVNULL,
1580         BER_BVNULL
1581 };
1582
1583 void
1584 syncrepl_updateCookie(
1585         syncinfo_t *si,
1586         Operation *op,
1587         struct berval *pdn,
1588         struct sync_cookie *syncCookie
1589 )
1590 {
1591         Backend *be = op->o_bd;
1592         Modifications *ml;
1593         Modifications *mlnext;
1594         Modifications *mod;
1595         Modifications *modlist = NULL;
1596         Modifications **modtail = &modlist;
1597
1598         const char      *text;
1599         char txtbuf[SLAP_TEXT_BUFLEN];
1600         size_t textlen = sizeof txtbuf;
1601
1602         Entry* e = NULL;
1603         int rc;
1604
1605         char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
1606         struct berval slap_syncrepl_dn_bv = BER_BVNULL;
1607         struct berval slap_syncrepl_cn_bv = BER_BVNULL;
1608
1609         slap_callback cb = { NULL };
1610         SlapReply       rs = {REP_RESULT};
1611
1612         slap_sync_cookie_free( &si->si_syncCookie, 0 );
1613         slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
1614
1615         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1616         mod->sml_op = LDAP_MOD_REPLACE;
1617         mod->sml_desc = slap_schema.si_ad_objectClass;
1618         mod->sml_type = mod->sml_desc->ad_cname;
1619         mod->sml_bvalues = ocbva;
1620         *modtail = mod;
1621         modtail = &mod->sml_next;
1622
1623         ber_dupbv( &cnbva[0], (struct berval *) &slap_syncrepl_bvc );
1624         assert( si->si_rid < 1000 );
1625         cnbva[0].bv_len = snprintf( cnbva[0].bv_val,
1626                 slap_syncrepl_bvc.bv_len,
1627                 "syncrepl%ld", si->si_rid );
1628         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1629         mod->sml_op = LDAP_MOD_REPLACE;
1630         mod->sml_desc = slap_schema.si_ad_cn;
1631         mod->sml_type = mod->sml_desc->ad_cname;
1632         mod->sml_bvalues = cnbva;
1633         *modtail = mod;
1634         modtail = &mod->sml_next;
1635
1636         if ( scbva[0].bv_val ) ch_free( scbva[0].bv_val );
1637         ber_dupbv( &scbva[0], &si->si_syncCookie.octet_str[0] );
1638         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1639         mod->sml_op = LDAP_MOD_REPLACE;
1640         mod->sml_desc = slap_schema.si_ad_syncreplCookie;
1641         mod->sml_type = mod->sml_desc->ad_cname;
1642         mod->sml_bvalues = scbva;
1643         *modtail = mod;
1644         modtail = &mod->sml_next;
1645
1646         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1647         mod->sml_op = LDAP_MOD_REPLACE;
1648         mod->sml_desc = slap_schema.si_ad_subtreeSpecification;
1649         mod->sml_type = mod->sml_desc->ad_cname;
1650         mod->sml_bvalues = ssbva;
1651         *modtail = mod;
1652         modtail = &mod->sml_next;
1653
1654         mlnext = mod;
1655
1656         op->o_tag = LDAP_REQ_ADD;
1657         rc = slap_mods_opattrs( op, modlist, modtail,
1658                                                          &text,txtbuf, textlen );
1659
1660         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
1661                 ml->sml_op = LDAP_MOD_REPLACE;
1662         }
1663
1664         if( rc != LDAP_SUCCESS ) {
1665 #ifdef NEW_LOGGING
1666                 LDAP_LOG( OPERATION, ERR,
1667                         "syncrepl_updateCookie: mods opattrs (%s)\n", text, 0, 0 );
1668 #else
1669                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods opattrs (%s)\n",
1670                          text, 0, 0 );
1671 #endif
1672         }
1673
1674         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1675
1676         slap_syncrepl_cn_bv.bv_val = syncrepl_cbuf;
1677         assert( si->si_rid < 1000 );
1678         slap_syncrepl_cn_bv.bv_len = snprintf( slap_syncrepl_cn_bv.bv_val,
1679                 slap_syncrepl_cn_bvc.bv_len,
1680                 "cn=syncrepl%ld", si->si_rid );
1681
1682         build_new_dn( &slap_syncrepl_dn_bv, pdn, &slap_syncrepl_cn_bv,
1683                 op->o_tmpmemctx );
1684         ber_dupbv( &e->e_name, &slap_syncrepl_dn_bv );
1685         ber_dupbv( &e->e_nname, &slap_syncrepl_dn_bv );
1686
1687         if ( slap_syncrepl_dn_bv.bv_val ) {
1688                 sl_free( slap_syncrepl_dn_bv.bv_val, op->o_tmpmemctx );
1689         }
1690
1691         e->e_attrs = NULL;
1692
1693         rc = slap_mods2entry( modlist, &e, 1, 1, &text, txtbuf, textlen );
1694
1695         if( rc != LDAP_SUCCESS ) {
1696 #ifdef NEW_LOGGING
1697                 LDAP_LOG( OPERATION, ERR,
1698                         "syncrepl_updateCookie: mods2entry (%s)\n", text, 0, 0 );
1699 #else
1700                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods2entry (%s)\n",
1701                          text, 0, 0 );
1702 #endif
1703         }
1704
1705         cb.sc_response = null_callback;
1706         cb.sc_private = si;
1707
1708         op->o_callback = &cb;
1709         op->o_req_dn = e->e_name;
1710         op->o_req_ndn = e->e_nname;
1711
1712         /* update persistent cookie */
1713 update_cookie_retry:
1714         op->o_tag = LDAP_REQ_MODIFY;
1715         op->orm_modlist = modlist;
1716         rc = be->be_modify( op, &rs );
1717
1718         if ( rc != LDAP_SUCCESS ) {
1719                 if ( rc == LDAP_REFERRAL ||
1720                          rc == LDAP_NO_SUCH_OBJECT ) {
1721                         op->o_tag = LDAP_REQ_ADD;
1722                         op->ora_e = e;
1723                         rc = be->be_add( op, &rs );
1724                         if ( rc != LDAP_SUCCESS ) {
1725                                 if ( rc == LDAP_ALREADY_EXISTS ) {
1726                                         goto update_cookie_retry;
1727                                 } else if ( rc == LDAP_REFERRAL ||
1728                                                         rc == LDAP_NO_SUCH_OBJECT ) {
1729 #ifdef NEW_LOGGING
1730                                         LDAP_LOG( OPERATION, ERR,
1731                                                 "cookie will be non-persistent\n",
1732                                                 0, 0, 0 );
1733 #else
1734                                         Debug( LDAP_DEBUG_ANY,
1735                                                 "cookie will be non-persistent\n",
1736                                                 0, 0, 0 );
1737 #endif
1738                                 } else {
1739 #ifdef NEW_LOGGING
1740                                         LDAP_LOG( OPERATION, ERR,
1741                                                 "be_add failed (%d)\n",
1742                                                 rc, 0, 0 );
1743 #else
1744                                         Debug( LDAP_DEBUG_ANY,
1745                                                 "be_add failed (%d)\n",
1746                                                 rc, 0, 0 );
1747 #endif
1748                                 }
1749                         } else {
1750                                 be_entry_release_w( op, e );
1751                                 goto done;
1752                         }
1753                 } else {
1754 #ifdef NEW_LOGGING
1755                         LDAP_LOG( OPERATION, ERR,
1756                                 "be_modify failed (%d)\n", rc, 0, 0 );
1757 #else
1758                         Debug( LDAP_DEBUG_ANY,
1759                                 "be_modify failed (%d)\n", rc, 0, 0 );
1760 #endif
1761                 }
1762         }
1763
1764         if ( e != NULL ) {
1765                 entry_free( e );
1766         }
1767
1768 done :
1769
1770         if ( cnbva[0].bv_val ) {
1771                 ch_free( cnbva[0].bv_val );
1772                 cnbva[0].bv_val = NULL;
1773         }
1774         if ( scbva[0].bv_val ) {
1775                 ch_free( scbva[0].bv_val );
1776                 scbva[0].bv_val = NULL;
1777         }
1778
1779         if ( mlnext->sml_next ) {
1780                 slap_mods_free( mlnext->sml_next );
1781                 mlnext->sml_next = NULL;
1782         }
1783
1784         for (ml = modlist ; ml != NULL; ml = mlnext ) {
1785                 mlnext = ml->sml_next;
1786                 free( ml );
1787         }
1788
1789         return;
1790 }
1791
1792 static int
1793 dn_callback(
1794         Operation*      op,
1795         SlapReply*      rs
1796 )
1797 {
1798         syncinfo_t *si = op->o_callback->sc_private;
1799
1800         if ( rs->sr_type == REP_SEARCH ) {
1801                 if ( si->si_syncUUID_ndn.bv_val != NULL ) {
1802 #ifdef NEW_LOGGING
1803                         LDAP_LOG( OPERATION, ERR,
1804                                 "dn_callback : multiple entries match dn\n", 0, 0, 0 );
1805 #else
1806                         Debug( LDAP_DEBUG_ANY,
1807                                 "dn_callback : multiple entries match dn\n", 0, 0, 0 );
1808 #endif
1809                 } else {
1810                         ber_dupbv_x( &si->si_syncUUID_ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
1811                 }
1812         }
1813
1814         return LDAP_SUCCESS;
1815 }
1816
1817 static int
1818 nonpresent_callback(
1819         Operation*      op,
1820         SlapReply*      rs
1821 )
1822 {
1823         syncinfo_t *si = op->o_callback->sc_private;
1824         Attribute *a;
1825         int count = 0;
1826         struct berval* present_uuid = NULL;
1827         struct nonpresent_entry *np_entry;
1828
1829         if ( rs->sr_type == REP_RESULT ) {
1830                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
1831                 si->si_presentlist = NULL;
1832
1833         } else if ( rs->sr_type == REP_SEARCH ) {
1834                 a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
1835
1836                 if ( a == NULL ) return 0;
1837
1838                 present_uuid = avl_find( si->si_presentlist, &a->a_vals[0],
1839                         syncuuid_cmp );
1840
1841                 if ( present_uuid == NULL ) {
1842                         np_entry = (struct nonpresent_entry *)
1843                                 ch_calloc( 1, sizeof( struct nonpresent_entry ));
1844                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
1845                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
1846                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
1847
1848                 } else {
1849                         avl_delete( &si->si_presentlist,
1850                                         &a->a_vals[0], syncuuid_cmp );
1851                         ch_free( present_uuid->bv_val );
1852                         ch_free( present_uuid );
1853                 }
1854         }
1855         return LDAP_SUCCESS;
1856 }
1857
1858 static int
1859 null_callback(
1860         Operation*      op,
1861         SlapReply*      rs )
1862 {
1863         if ( rs->sr_err != LDAP_SUCCESS &&
1864                 rs->sr_err != LDAP_REFERRAL &&
1865                 rs->sr_err != LDAP_ALREADY_EXISTS &&
1866                 rs->sr_err != LDAP_NO_SUCH_OBJECT )
1867         {
1868 #ifdef NEW_LOGGING
1869                 LDAP_LOG( OPERATION, ERR,
1870                         "null_callback : error code 0x%x\n",
1871                         rs->sr_err, 0, 0 );
1872 #else
1873                 Debug( LDAP_DEBUG_ANY,
1874                         "null_callback : error code 0x%x\n",
1875                         rs->sr_err, 0, 0 );
1876 #endif
1877         }
1878         return LDAP_SUCCESS;
1879 }
1880
1881 Entry *
1882 slap_create_syncrepl_entry(
1883         Backend *be,
1884         struct berval *context_csn,
1885         struct berval *rdn,
1886         struct berval *cn )
1887 {
1888         Entry* e;
1889
1890         struct berval bv;
1891
1892         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1893
1894         attr_merge( e, slap_schema.si_ad_objectClass, ocbva, NULL );
1895
1896         attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
1897                 &ocbva[1], NULL );
1898
1899         attr_merge_one( e, slap_schema.si_ad_cn, cn, NULL );
1900
1901         if ( context_csn ) {
1902                 attr_merge_one( e, slap_schema.si_ad_syncreplCookie,
1903                         context_csn, NULL );
1904         }
1905
1906         bv.bv_val = "{}";
1907         bv.bv_len = sizeof("{}")-1;
1908         attr_merge_one( e, slap_schema.si_ad_subtreeSpecification, &bv, NULL );
1909
1910         build_new_dn( &e->e_name, &be->be_nsuffix[0], rdn, NULL );
1911         ber_dupbv( &e->e_nname, &e->e_name );
1912
1913         return e;
1914 }
1915
1916 struct berval *
1917 slap_uuidstr_from_normalized(
1918         struct berval* uuidstr,
1919         struct berval* normalized,
1920         void *ctx )
1921 {
1922         struct berval *new;
1923         unsigned char nibble;
1924         int i, d = 0;
1925
1926         if ( normalized == NULL )
1927                 return NULL;
1928
1929         if ( normalized->bv_len != 16 ) {
1930                 return NULL;
1931         }
1932
1933         if ( uuidstr ) {
1934                 new = uuidstr;
1935         } else {
1936                 new = (struct berval *)sl_malloc( sizeof(struct berval), ctx );
1937         }
1938
1939         new->bv_len = 36;
1940
1941         if (( new->bv_val = sl_malloc( new->bv_len + 1, ctx )) == NULL) {
1942                 if ( !uuidstr )
1943                         sl_free( new, ctx );
1944                 return NULL;
1945         }
1946
1947         for ( i = 0; i < 16; i++ ) {
1948                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
1949                         new->bv_val[(i<<1)+d] = '-';
1950                         d += 1;
1951                 }
1952
1953                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
1954                 if ( nibble < 10 ) {
1955                         new->bv_val[(i<<1)+d] = nibble + '0';
1956                 } else {
1957                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
1958                 }
1959
1960                 nibble = (normalized->bv_val[i]) & 0xF;
1961                 if ( nibble < 10 ) {
1962                         new->bv_val[(i<<1)+d+1] = nibble + '0';
1963                 } else {
1964                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
1965                 }
1966         }
1967
1968         new->bv_val[new->bv_len] = '\0';
1969
1970         return new;
1971 }
1972
1973 static int
1974 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
1975 {
1976         const struct berval *uuid1 = v_uuid1;
1977         const struct berval *uuid2 = v_uuid2;
1978         int rc = uuid1->bv_len - uuid2->bv_len;
1979         if ( rc ) return rc;
1980         return ( strcmp( uuid1->bv_val, uuid2->bv_val ) );
1981 }
1982
1983 static void
1984 avl_ber_bvfree( void *bv )
1985 {
1986         if( bv == NULL ) {
1987                 return;
1988         }
1989         if ( ((struct berval *)bv)->bv_val != NULL ) {
1990                 ch_free ( ((struct berval *)bv)->bv_val );
1991         }
1992         ch_free ( (char *) bv );
1993 }
1994