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

   1 /* syncrepl.c -- Replication Engine which uses the LDAP Sync protocol */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2004 The OpenLDAP Foundation.
   6  * Portions Copyright 2003 by IBM Corporation.
   7  * Portions Copyright 2003 by Howard Chu, Symas Corporation.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18
  19 #include "portable.h"
  20
  21 #include <stdio.h>
  22
  23 #include <ac/string.h>
  24 #include <ac/socket.h>
  25
  26 #include "ldap_pvt.h"
  27 #include "lutil.h"
  28 #include "slap.h"
  29 #include "lutil_ldap.h"
  30
  31 #include "ldap_rq.h"
  32
  33 #define SYNCREPL_STR    "syncreplxxx"
  34 #define CN_STR  "cn="
  35
  36 static const struct berval slap_syncrepl_bvc = BER_BVC(SYNCREPL_STR);
  37 static const struct berval slap_syncrepl_cn_bvc = BER_BVC(CN_STR SYNCREPL_STR);
  38
  39 static int syncuuid_cmp( const void *, const void * );
  40 static void avl_ber_bvfree( void * );
  41 static void syncrepl_del_nonpresent( Operation *, syncinfo_t * );
  42
  43 /* callback functions */
  44 static int dn_callback( struct slap_op *, struct slap_rep * );
  45 static int nonpresent_callback( struct slap_op *, struct slap_rep * );
  46 static int null_callback( struct slap_op *, struct slap_rep * );
  47
  48 static AttributeDescription *sync_descs[4];
  49
  50 struct runqueue_s syncrepl_rq;
  51
  52 void
  53 init_syncrepl(syncinfo_t *si)
  54 {
  55         int i, j, k, n;
  56         char **tmp;
  57
  58         if ( !sync_descs[0] ) {
  59                 sync_descs[0] = slap_schema.si_ad_objectClass;
  60                 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
  61                 sync_descs[2] = slap_schema.si_ad_entryCSN;
  62                 sync_descs[3] = NULL;
  63         }
  64
  65         for ( n = 0; si->si_attrs[ n ] != NULL; n++ ) /* empty */;
  66
  67         if ( n ) {
  68                 /* Delete Attributes */
  69                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
  70                         for ( j = 0; si->si_attrs[j] != NULL; j++ ) {
  71                                 if ( strcmp( si->si_attrs[j], sync_descs[i]->ad_cname.bv_val )
  72                                         == 0 )
  73                                 {
  74                                         ch_free( si->si_attrs[j] );
  75                                         for ( k = j; si->si_attrs[k] != NULL; k++ ) {
  76                                                 si->si_attrs[k] = si->si_attrs[k+1];
  77                                         }
  78                                 }
  79                         }
  80                 }
  81                 for ( n = 0; si->si_attrs[ n ] != NULL; n++ ) /* empty */;
  82                 tmp = ( char ** ) ch_realloc( si->si_attrs, (n + 4)*sizeof( char * ));
  83                 if ( tmp == NULL ) {
  84 #ifdef NEW_LOGGING
  85                         LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
  86 #else
  87                         Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
  88 #endif
  89                 }
  90
  91                 /* Add Attributes */
  92                 for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
  93                         tmp[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
  94                         tmp[ n ] = NULL;
  95                 }
  96
  97         } else {
  98                 tmp = ( char ** ) ch_realloc( si->si_attrs, 3 * sizeof( char * ));
  99                 if ( tmp == NULL ) {
 100 #ifdef NEW_LOGGING
 101                         LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
 102 #else
 103                         Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
 104 #endif
 105                 }
 106                 tmp[ n++ ] = ch_strdup( "*" );
 107                 tmp[ n++ ] = ch_strdup( "+" );
 108                 tmp[ n ] = NULL;
 109         }
 110
 111         si->si_attrs = tmp;
 112
 113 }
 114
 115 static int
 116 ldap_sync_search(
 117         syncinfo_t *si,
 118         void *ctx )
 119 {
 120         BerElementBuffer berbuf;
 121         BerElement *ber = (BerElement *)&berbuf;
 122         LDAPControl c[2], *ctrls[3];
 123         struct timeval timeout;
 124         ber_int_t       msgid;
 125         int rc;
 126
 127         /* setup LDAP SYNC control */
 128         ber_init2( ber, NULL, LBER_USE_DER );
 129         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 130
 131         if ( si->si_syncCookie.octet_str &&
 132                 si->si_syncCookie.octet_str[0].bv_val )
 133         {
 134                 ber_printf( ber, "{eO}",
 135                         abs(si->si_type),
 136                         &si->si_syncCookie.octet_str[0] );
 137         } else {
 138                 ber_printf( ber, "{e}",
 139                         abs(si->si_type) );
 140         }
 141
 142         if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 )) == LBER_ERROR ) {
 143                 ber_free_buf( ber );
 144                 return rc;
 145         }
 146
 147         c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 148         c[0].ldctl_iscritical = si->si_type < 0;
 149         ctrls[0] = &c[0];
 150
 151         if ( si->si_authzId ) {
 152                 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 153                 ber_str2bv( si->si_authzId, 0, 0, &c[1].ldctl_value );
 154                 c[1].ldctl_iscritical = 1;
 155                 ctrls[1] = &c[1];
 156                 ctrls[2] = NULL;
 157         } else {
 158                 ctrls[1] = NULL;
 159         }
 160
 161         timeout.tv_sec = si->si_tlimit;
 162         timeout.tv_usec = 0;
 163
 164         rc = ldap_search_ext( si->si_ld, si->si_base.bv_val, si->si_scope,
 165                 si->si_filterstr.bv_val, si->si_attrs, si->si_attrsonly,
 166                 ctrls, NULL, si->si_tlimit > 0 ? &timeout : NULL,
 167                 si->si_slimit, &msgid );
 168         ber_free_buf( ber );
 169         return rc;
 170 }
 171
 172 static int
 173 do_syncrep1(
 174         Operation *op,
 175         syncinfo_t *si )
 176 {
 177         int     rc;
 178         int cmdline_cookie_found = 0;
 179
 180         char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
 181         struct berval syncrepl_cn_bv;
 182         struct sync_cookie      *sc = NULL;
 183         struct sync_cookie      syncCookie = { NULL, -1, NULL };
 184         struct berval   *psub;
 185 #ifdef HAVE_TLS
 186         void    *ssl;
 187 #endif
 188
 189         psub = &si->si_be->be_nsuffix[0];
 190
 191         /* Init connection to master */
 192         rc = ldap_initialize( &si->si_ld, si->si_provideruri );
 193         if ( rc != LDAP_SUCCESS ) {
 194 #ifdef NEW_LOGGING
 195                 LDAP_LOG( OPERATION, ERR,
 196                         "do_syncrep1: ldap_initialize failed (%s)\n",
 197                         si->si_provideruri, 0, 0 );
 198 #else
 199                 Debug( LDAP_DEBUG_ANY,
 200                         "do_syncrep1: ldap_initialize failed (%s)\n",
 201                         si->si_provideruri, 0, 0 );
 202 #endif
 203                 return rc;
 204         }
 205
 206         op->o_protocol = LDAP_VERSION3;
 207         ldap_set_option( si->si_ld, LDAP_OPT_PROTOCOL_VERSION, &op->o_protocol );
 208
 209         /* Bind to master */
 210
 211         if ( si->si_tls ) {
 212                 rc = ldap_start_tls_s( si->si_ld, NULL, NULL );
 213                 if( rc != LDAP_SUCCESS ) {
 214 #ifdef NEW_LOGGING
 215                         LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 216                                 "%s: ldap_start_tls failed (%d)\n",
 217                                 si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
 218                                 rc, 0 );
 219 #else
 220                         Debug( LDAP_DEBUG_ANY,
 221                                 "%s: ldap_start_tls failed (%d)\n",
 222                                 si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
 223                                 rc, 0 );
 224 #endif
 225                         if( si->si_tls == SYNCINFO_TLS_CRITICAL ) goto done;
 226                 }
 227         }
 228
 229         if ( si->si_bindmethod == LDAP_AUTH_SASL ) {
 230 #ifdef HAVE_CYRUS_SASL
 231                 void *defaults;
 232
 233                 if ( si->si_secprops != NULL ) {
 234                         rc = ldap_set_option( si->si_ld,
 235                                 LDAP_OPT_X_SASL_SECPROPS, si->si_secprops);
 236
 237                         if( rc != LDAP_OPT_SUCCESS ) {
 238 #ifdef NEW_LOGGING
 239                                 LDAP_LOG ( OPERATION, ERR, "do_bind: Error: "
 240                                         "ldap_set_option(%s,SECPROPS,\"%s\") failed!\n",
 241                                         si->si_provideruri, si->si_secprops, 0 );
 242 #else
 243                                 Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
 244                                         "(%s,SECPROPS,\"%s\") failed!\n",
 245                                         si->si_provideruri, si->si_secprops, 0 );
 246 #endif
 247                                 goto done;
 248                         }
 249                 }
 250
 251                 defaults = lutil_sasl_defaults( si->si_ld, si->si_saslmech,
 252                         si->si_realm, si->si_authcId, si->si_passwd, si->si_authzId );
 253
 254                 rc = ldap_sasl_interactive_bind_s( si->si_ld,
 255                                 si->si_binddn,
 256                                 si->si_saslmech,
 257                                 NULL, NULL,
 258                                 LDAP_SASL_QUIET,
 259                                 lutil_sasl_interact,
 260                                 defaults );
 261
 262                 lutil_sasl_freedefs( defaults );
 263
 264                 /* FIXME: different error behaviors according to
 265                  *      1) return code
 266                  *      2) on err policy : exit, retry, backoff ...
 267                  */
 268                 if ( rc != LDAP_SUCCESS ) {
 269 #ifdef NEW_LOGGING
 270                         LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 271                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 272                                 rc, 0, 0 );
 273 #else
 274                         Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 275                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 276                                 rc, 0, 0 );
 277 #endif
 278
 279                         /* FIXME (see above comment) */
 280                         /* if Kerberos credentials cache is not active, retry */
 281                         if ( strcmp( si->si_saslmech, "GSSAPI" ) == 0 &&
 282                                 rc == LDAP_LOCAL_ERROR )
 283                         {
 284                                 rc = LDAP_SERVER_DOWN;
 285                         }
 286
 287                         goto done;
 288                 }
 289 #else /* HAVE_CYRUS_SASL */
 290                 /* Should never get here, we trapped this at config time */
 291                 assert(0);
 292                 fprintf( stderr, "not compiled with SASL support\n" );
 293                 rc = LDAP_OTHER;
 294                 goto done;
 295 #endif
 296
 297         } else {
 298                 rc = ldap_bind_s( si->si_ld,
 299                         si->si_binddn, si->si_passwd, si->si_bindmethod );
 300                 if ( rc != LDAP_SUCCESS ) {
 301 #ifdef NEW_LOGGING
 302                         LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 303                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 304 #else
 305                         Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 306                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 307 #endif
 308                         goto done;
 309                 }
 310         }
 311
 312         /* Set SSF to strongest of TLS, SASL SSFs */
 313         op->o_sasl_ssf = 0;
 314         op->o_tls_ssf = 0;
 315         op->o_transport_ssf = 0;
 316 #ifdef HAVE_TLS
 317         if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
 318                 == LDAP_SUCCESS && ssl != NULL )
 319         {
 320                 op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
 321         }
 322 #endif /* HAVE_TLS */
 323         ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &op->o_sasl_ssf );
 324         op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
 325                 ?  op->o_sasl_ssf : op->o_tls_ssf;
 326
 327         /* get syncrepl cookie of shadow replica from subentry */
 328         assert( si->si_rid < 1000 );
 329         syncrepl_cn_bv.bv_val = syncrepl_cbuf;
 330         syncrepl_cn_bv.bv_len = snprintf(syncrepl_cbuf, sizeof(syncrepl_cbuf),
 331                 CN_STR "syncrepl%ld", si->si_rid );
 332         build_new_dn( &op->o_req_ndn, psub, &syncrepl_cn_bv, op->o_tmpmemctx );
 333         op->o_req_dn = op->o_req_ndn;
 334
 335         LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
 336                 if ( si->si_rid == sc->rid ) {
 337                         cmdline_cookie_found = 1;
 338                         break;
 339                 }
 340         }
 341
 342         if ( cmdline_cookie_found ) {
 343                 /* cookie is supplied in the command line */
 344                 BerVarray cookie = NULL;
 345                 struct berval cookie_bv;
 346
 347                 LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
 348                 slap_sync_cookie_free( &si->si_syncCookie, 0 );
 349
 350                 /* read stored cookie if it exists */
 351                 backend_attribute( op, NULL, &op->o_req_ndn,
 352                         slap_schema.si_ad_syncreplCookie, &cookie, ACL_READ );
 353
 354                 if ( !cookie ) {
 355                         /* no stored cookie */
 356                         if ( sc->ctxcsn == NULL ||
 357                                  sc->ctxcsn->bv_val == NULL ) {
 358                                 /* if cmdline cookie does not have ctxcsn */
 359                                 /* component, set it to an initial value */
 360                                 slap_init_sync_cookie_ctxcsn( sc );
 361                         }
 362                         slap_dup_sync_cookie( &si->si_syncCookie, sc );
 363                         slap_sync_cookie_free( sc, 1 );
 364                         sc = NULL;
 365
 366                 } else {
 367                         /* stored cookie */
 368                         struct berval newcookie = BER_BVNULL;
 369                         ber_dupbv( &cookie_bv, &cookie[0] );
 370                         ber_bvarray_add( &si->si_syncCookie.octet_str, &cookie_bv );
 371                         slap_parse_sync_cookie( &si->si_syncCookie );
 372                         ber_bvarray_free( si->si_syncCookie.octet_str );
 373                         si->si_syncCookie.octet_str = NULL;
 374                         ber_bvarray_free_x( cookie, op->o_tmpmemctx );
 375                         if ( sc->sid != -1 ) {
 376                                 /* command line cookie wins */
 377                                 si->si_syncCookie.sid = sc->sid;
 378                         }
 379                         if ( sc->ctxcsn != NULL ) {
 380                                 /* command line cookie wins */
 381                                 if ( si->si_syncCookie.ctxcsn ) {
 382                                         ber_bvarray_free( si->si_syncCookie.ctxcsn );
 383                                         si->si_syncCookie.ctxcsn = NULL;
 384                                 }
 385                                 ber_dupbv( &cookie_bv, &sc->ctxcsn[0] );
 386                                 ber_bvarray_add( &si->si_syncCookie.ctxcsn, &cookie_bv );
 387                         }
 388                         if ( sc->rid != -1 ) {
 389                                 /* command line cookie wins */
 390                                 si->si_syncCookie.rid = sc->rid;
 391                         }
 392                         slap_sync_cookie_free( sc, 1 );
 393                         sc = NULL;
 394                         slap_compose_sync_cookie( NULL, &newcookie,
 395                                         &si->si_syncCookie.ctxcsn[0],
 396                                         si->si_syncCookie.sid, si->si_syncCookie.rid );
 397                         ber_bvarray_add( &si->si_syncCookie.octet_str, &newcookie );
 398                 }
 399
 400         } else {
 401                 /* no command line cookie is specified */
 402                 if ( si->si_syncCookie.octet_str == NULL ) {
 403                         BerVarray cookie = NULL;
 404                         struct berval cookie_bv;
 405                         /* try to read stored cookie */
 406                         backend_attribute( op, NULL, &op->o_req_ndn,
 407                                 slap_schema.si_ad_syncreplCookie, &cookie, ACL_READ );
 408                         if ( cookie ) {
 409                                 ber_dupbv( &cookie_bv, &cookie[0] );
 410                                 ber_bvarray_add( &si->si_syncCookie.octet_str, &cookie_bv );
 411                                 slap_parse_sync_cookie( &si->si_syncCookie );
 412                                 ber_bvarray_free_x( cookie, op->o_tmpmemctx );
 413                         }
 414                 }
 415         }
 416
 417         rc = ldap_sync_search( si, op->o_tmpmemctx );
 418
 419         if( rc != LDAP_SUCCESS ) {
 420 #ifdef NEW_LOGGING
 421                 LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 422                         "ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
 423 #else
 424                 Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 425                         "ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
 426 #endif
 427         }
 428
 429 done:
 430         if ( rc ) {
 431                 if ( si->si_ld ) {
 432                         ldap_unbind( si->si_ld );
 433                         si->si_ld = NULL;
 434                 }
 435         }
 436
 437         return rc;
 438 }
 439
 440 static int
 441 do_syncrep2(
 442         Operation *op,
 443         syncinfo_t *si )
 444 {
 445         LDAPControl     **rctrls = NULL;
 446         LDAPControl     *rctrlp;
 447
 448         BerElementBuffer berbuf;
 449         BerElement      *ber = (BerElement *)&berbuf;
 450
 451         LDAPMessage     *res = NULL;
 452         LDAPMessage     *msg = NULL;
 453
 454         char            *retoid = NULL;
 455         struct berval   *retdata = NULL;
 456
 457         Entry           *entry = NULL;
 458
 459         int             syncstate;
 460         struct berval   syncUUID = BER_BVNULL;
 461         struct sync_cookie      syncCookie = { NULL, -1, NULL };
 462         struct sync_cookie      syncCookie_req = { NULL, -1, NULL };
 463         struct berval           cookie = BER_BVNULL;
 464
 465         int     rc, err, i;
 466         ber_len_t       len;
 467
 468         int rc_efree = 1;
 469
 470         struct berval   *psub;
 471         Modifications   *modlist = NULL;
 472
 473         const char              *text;
 474         int                             match;
 475
 476         struct timeval *tout_p = NULL;
 477         struct timeval tout = { 0, 0 };
 478
 479         int             refreshDeletes = 0;
 480         int             refreshDone = 1;
 481         BerVarray syncUUIDs = NULL;
 482         ber_tag_t si_tag;
 483
 484         if ( slapd_shutdown ) {
 485                 rc = -2;
 486                 goto done;
 487         }
 488
 489         ber_init2( ber, NULL, LBER_USE_DER );
 490         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 491
 492 #ifdef NEW_LOGGING
 493         LDAP_LOG ( OPERATION, DETAIL1, "do_syncrep2\n", 0, 0, 0 );
 494 #else
 495         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2\n", 0, 0, 0 );
 496 #endif
 497
 498         psub = &si->si_be->be_nsuffix[0];
 499
 500         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 501
 502         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 503                 tout_p = &tout;
 504         } else {
 505                 tout_p = NULL;
 506         }
 507
 508         while (( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE,
 509                 tout_p, &res )) > 0 )
 510         {
 511                 if ( slapd_shutdown ) {
 512                         rc = -2;
 513                         goto done;
 514                 }
 515                 for( msg = ldap_first_message( si->si_ld, res );
 516                         msg != NULL;
 517                         msg = ldap_next_message( si->si_ld, msg ) )
 518                 {
 519                         switch( ldap_msgtype( msg ) ) {
 520                         case LDAP_RES_SEARCH_ENTRY:
 521                                 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 522                                 /* we can't work without the control */
 523                                 if ( !rctrls ) {
 524                                         rc = -1;
 525                                         goto done;
 526                                 }
 527                                 rctrlp = *rctrls;
 528                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 529                                 ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
 530                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 531                                         ber_scanf( ber, /*"{"*/ "m}", &cookie );
 532                                         if ( cookie.bv_val ) {
 533                                                 struct berval tmp_bv;
 534                                                 ber_dupbv( &tmp_bv, &cookie );
 535                                                 ber_bvarray_add( &syncCookie.octet_str, &tmp_bv );
 536                                         }
 537                                         if ( syncCookie.octet_str &&
 538                                                         syncCookie.octet_str[0].bv_val )
 539                                                 slap_parse_sync_cookie( &syncCookie );
 540                                 }
 541                                 if ( syncrepl_message_to_entry( si, op, msg,
 542                                         &modlist, &entry, syncstate ) == LDAP_SUCCESS ) {
 543                                         rc_efree = syncrepl_entry( si, op, entry, modlist,
 544                                                 syncstate, &syncUUID, &syncCookie_req );
 545                                         if ( syncCookie.octet_str &&
 546                                                 syncCookie.octet_str[0].bv_val )
 547                                         {
 548                                                 syncrepl_updateCookie( si, op, psub, &syncCookie );
 549                                         }
 550                                 }
 551                                 ldap_controls_free( rctrls );
 552                                 if ( modlist ) {
 553                                         slap_mods_free( modlist );
 554                                 }
 555                                 if ( rc_efree && entry ) {
 556                                         entry_free( entry );
 557                                         entry = NULL;
 558                                 }
 559                                 break;
 560
 561                         case LDAP_RES_SEARCH_REFERENCE:
 562 #ifdef NEW_LOGGING
 563                                 LDAP_LOG( OPERATION, ERR,
 564                                         "do_syncrep2 : reference received\n", 0, 0, 0 );
 565 #else
 566                                 Debug( LDAP_DEBUG_ANY,
 567                                         "do_syncrep2 : reference received\n", 0, 0, 0 );
 568 #endif
 569                                 break;
 570
 571                         case LDAP_RES_SEARCH_RESULT:
 572                                 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 573                                         &rctrls, 0 );
 574                                 if ( rctrls ) {
 575                                         rctrlp = *rctrls;
 576                                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 577
 578                                         ber_scanf( ber, "{" /*"}"*/);
 579                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 580                                                 ber_scanf( ber, "m", &cookie );
 581                                                 if ( cookie.bv_val ) {
 582                                                         struct berval tmp_bv;
 583                                                         ber_dupbv( &tmp_bv, &cookie );
 584                                                         ber_bvarray_add( &syncCookie.octet_str, &tmp_bv);
 585                                                 }
 586                                                 if ( syncCookie.octet_str &&
 587                                                         syncCookie.octet_str[0].bv_val )
 588                                                 {
 589                                                         slap_parse_sync_cookie( &syncCookie );
 590                                                 }
 591                                         }
 592                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 593                                         {
 594                                                 ber_scanf( ber, "b", &refreshDeletes );
 595                                         }
 596                                         ber_scanf( ber, /*"{"*/ "}" );
 597                                 }
 598                                 if ( syncCookie_req.ctxcsn == NULL ) {
 599                                         match = -1;
 600                                 } else if ( syncCookie.ctxcsn == NULL ) {
 601                                         match = 1;
 602                                 } else {
 603                                         value_match( &match, slap_schema.si_ad_entryCSN,
 604                                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 605                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 606                                                 &syncCookie_req.ctxcsn[0], &syncCookie.ctxcsn[0],
 607                                                 &text );
 608                                 }
 609                                 if ( syncCookie.octet_str && syncCookie.octet_str->bv_val &&
 610                                         match < 0 && err == LDAP_SUCCESS )
 611                                 {
 612                                         syncrepl_updateCookie( si, op, psub, &syncCookie );
 613                                 }
 614                                 if ( rctrls ) {
 615                                         ldap_controls_free( rctrls );
 616                                 }
 617                                 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 618                                         /* FIXME : different error behaviors according to
 619                                          *      1) err code : LDAP_BUSY ...
 620                                          *      2) on err policy : stop service, stop sync, retry
 621                                          */
 622                                         if ( refreshDeletes == 0 && match < 0 &&
 623                                                 err == LDAP_SUCCESS )
 624                                         {
 625                                                 syncrepl_del_nonpresent( op, si );
 626                                         } else {
 627                                                 avl_free( si->si_presentlist, avl_ber_bvfree );
 628                                                 si->si_presentlist = NULL;
 629                                         }
 630                                 }
 631                                 rc = -2;
 632                                 goto done;
 633                                 break;
 634
 635                         case LDAP_RES_INTERMEDIATE:
 636                                 rc = ldap_parse_intermediate( si->si_ld, msg,
 637                                         &retoid, &retdata, NULL, 0 );
 638                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 639                                         int             si_refreshDelete = 0;
 640                                         int             si_refreshPresent = 0;
 641                                         ber_init2( ber, retdata, LBER_USE_DER );
 642
 643                                         switch ( si_tag = ber_peek_tag( ber, &len )) {
 644                                         ber_tag_t tag;
 645                                         case LDAP_TAG_SYNC_NEW_COOKIE:
 646                                                 ber_scanf( ber, "tm", &tag, &cookie );
 647                                                 break;
 648                                         case LDAP_TAG_SYNC_REFRESH_DELETE:
 649                                                 si_refreshDelete = 1;
 650                                         case LDAP_TAG_SYNC_REFRESH_PRESENT:
 651                                                 si_refreshPresent = 1;
 652                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 653                                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 654                                                 {
 655                                                         ber_scanf( ber, "m", &cookie );
 656                                                         if ( cookie.bv_val ) {
 657                                                                 struct berval tmp_bv;
 658                                                                 ber_dupbv( &tmp_bv, &cookie );
 659                                                                 ber_bvarray_add( &syncCookie.octet_str,
 660                                                                         &tmp_bv);
 661                                                         }
 662                                                         if ( syncCookie.octet_str &&
 663                                                                 syncCookie.octet_str[0].bv_val )
 664                                                         {
 665                                                                 slap_parse_sync_cookie( &syncCookie );
 666                                                         }
 667                                                 }
 668                                                 if ( ber_peek_tag( ber, &len ) ==
 669                                                         LDAP_TAG_REFRESHDONE )
 670                                                 {
 671                                                         ber_scanf( ber, "b", &refreshDone );
 672                                                 }
 673                                                 ber_scanf( ber, /*"{"*/ "}" );
 674                                                 break;
 675                                         case LDAP_TAG_SYNC_ID_SET:
 676                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 677                                                 if ( ber_peek_tag( ber, &len ) ==
 678                                                         LDAP_TAG_SYNC_COOKIE )
 679                                                 {
 680                                                         ber_scanf( ber, "m", &cookie );
 681                                                         if ( cookie.bv_val ) {
 682                                                                 struct berval tmp_bv;
 683                                                                 ber_dupbv( &tmp_bv, &cookie );
 684                                                                 ber_bvarray_add( &syncCookie.octet_str,
 685                                                                         &tmp_bv );
 686                                                         }
 687                                                         if ( syncCookie.octet_str &&
 688                                                                 syncCookie.octet_str[0].bv_val )
 689                                                         {
 690                                                                 slap_parse_sync_cookie( &syncCookie );
 691                                                         }
 692                                                 }
 693                                                 if ( ber_peek_tag( ber, &len ) ==
 694                                                         LDAP_TAG_REFRESHDELETES )
 695                                                 {
 696                                                         ber_scanf( ber, "b", &refreshDeletes );
 697                                                 }
 698                                                 ber_scanf( ber, "[W]", &syncUUIDs );
 699                                                 ber_scanf( ber, /*"{"*/ "}" );
 700                                                 for ( i = 0; syncUUIDs[i].bv_val; i++ ) {
 701                                                         struct berval *syncuuid_bv;
 702                                                         syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
 703                                                         avl_insert( &si->si_presentlist,
 704                                                                 (caddr_t) syncuuid_bv,
 705                                                                 syncuuid_cmp, avl_dup_error );
 706                                                 }
 707                                                 ber_memfree_x( syncUUIDs, op->o_tmpmemctx );
 708                                                 break;
 709                                         default:
 710 #ifdef NEW_LOGGING
 711                                         LDAP_LOG( OPERATION, ERR,
 712                                                 "do_syncrep2 : unknown syncinfo tag (%ld)\n",
 713                                                 (long) si_tag, 0, 0 );
 714 #else
 715                                         Debug( LDAP_DEBUG_ANY,
 716                                                 "do_syncrep2 : unknown syncinfo tag (%ld)\n",
 717                                                 (long) si_tag, 0, 0 );
 718 #endif
 719                                                 ldap_memfree( retoid );
 720                                                 ber_bvfree( retdata );
 721                                                 continue;
 722                                         }
 723
 724                                         if ( syncCookie_req.ctxcsn == NULL ) {
 725                                                 match = -1;
 726                                         } else if ( syncCookie.ctxcsn == NULL ) {
 727                                                 match = 1;
 728                                         } else {
 729                                                 value_match( &match, slap_schema.si_ad_entryCSN,
 730                                                         slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 731                                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 732                                                         &syncCookie_req.ctxcsn[0],
 733                                                         &syncCookie.ctxcsn[0], &text );
 734                                         }
 735
 736                                         if ( syncCookie.ctxcsn && syncCookie.ctxcsn[0].bv_val &&
 737                                                 match < 0 )
 738                                         {
 739                                                 syncrepl_updateCookie( si, op, psub, &syncCookie);
 740                                         }
 741
 742                                         if ( si_refreshPresent == 1 ) {
 743                                                 if ( match < 0 ) {
 744                                                         syncrepl_del_nonpresent( op, si );
 745                                                 }
 746                                         }
 747
 748                                         ldap_memfree( retoid );
 749                                         ber_bvfree( retdata );
 750                                         break;
 751
 752                                 } else {
 753 #ifdef NEW_LOGGING
 754                                         LDAP_LOG( OPERATION, ERR, "do_syncrep2 :"
 755                                                 " unknown intermediate "
 756                                                 "response\n", 0, 0, 0 );
 757 #else
 758                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
 759                                                 "unknown intermediate response (%d)\n",
 760                                                 rc, 0, 0 );
 761 #endif
 762                                         ldap_memfree( retoid );
 763                                         ber_bvfree( retdata );
 764                                         break;
 765                                 }
 766                                 break;
 767
 768                         default:
 769 #ifdef NEW_LOGGING
 770                                 LDAP_LOG( OPERATION, ERR, "do_syncrep2 : "
 771                                         "unknown message\n", 0, 0, 0 );
 772 #else
 773                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
 774                                         "unknown message\n", 0, 0, 0 );
 775 #endif
 776                                 break;
 777
 778                         }
 779                         if ( syncCookie.octet_str ) {
 780                                 slap_sync_cookie_free( &syncCookie_req, 0 );
 781                                 slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
 782                                 slap_sync_cookie_free( &syncCookie, 0 );
 783                         }
 784                 }
 785                 ldap_msgfree( res );
 786                 res = NULL;
 787         }
 788
 789         if ( rc == -1 ) {
 790                 const char *errstr;
 791
 792                 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
 793                 errstr = ldap_err2string( rc );
 794
 795 #ifdef NEW_LOGGING
 796                 LDAP_LOG( OPERATION, ERR,
 797                         "do_syncrep2 : %s\n", errstr, 0, 0 );
 798 #else
 799                 Debug( LDAP_DEBUG_ANY,
 800                         "do_syncrep2 : %s\n", errstr, 0, 0 );
 801 #endif
 802         }
 803
 804 done:
 805         slap_sync_cookie_free( &syncCookie, 0 );
 806         slap_sync_cookie_free( &syncCookie_req, 0 );
 807
 808         if ( res ) ldap_msgfree( res );
 809
 810         if ( rc && si->si_ld ) {
 811                 ldap_unbind( si->si_ld );
 812                 si->si_ld = NULL;
 813         }
 814
 815         return rc;
 816 }
 817
 818 void *
 819 do_syncrepl(
 820         void    *ctx,
 821         void    *arg )
 822 {
 823         struct re_s* rtask = arg;
 824         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
 825         Connection conn = {0};
 826         Operation op = {0};
 827         int rc = LDAP_SUCCESS;
 828         int first = 0;
 829         int dostop = 0;
 830         ber_socket_t s;
 831         int i, defer = 1;
 832
 833 #ifdef NEW_LOGGING
 834         LDAP_LOG ( OPERATION, DETAIL1, "do_syncrepl\n", 0, 0, 0 );
 835 #else
 836         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl\n", 0, 0, 0 );
 837 #endif
 838
 839         if ( si == NULL )
 840                 return NULL;
 841
 842         switch( abs( si->si_type )) {
 843         case LDAP_SYNC_REFRESH_ONLY:
 844         case LDAP_SYNC_REFRESH_AND_PERSIST:
 845                 break;
 846         default:
 847                 return NULL;
 848         }
 849
 850         if ( slapd_shutdown && si->si_ld ) {
 851                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 852                 connection_client_stop( s );
 853                 ldap_unbind( si->si_ld );
 854                 si->si_ld = NULL;
 855                 return NULL;
 856         }
 857
 858         connection_fake_init( &conn, &op, ctx );
 859
 860         op.o_dn = si->si_updatedn;
 861         op.o_ndn = si->si_updatedn;
 862         op.o_managedsait = 1;
 863         op.o_bd = si->si_be;
 864
 865         op.o_sync_state.ctxcsn = NULL;
 866         op.o_sync_state.sid = -1;
 867         op.o_sync_state.octet_str = NULL;
 868         op.o_sync_slog_size = -1;
 869         LDAP_STAILQ_FIRST( &op.o_sync_slog_list ) = NULL;
 870         op.o_sync_slog_list.stqh_last = &LDAP_STAILQ_FIRST(&op.o_sync_slog_list);
 871
 872         /* Establish session, do search */
 873         if ( !si->si_ld ) {
 874                 first = 1;
 875                 rc = do_syncrep1( &op, si );
 876         }
 877
 878         /* Process results */
 879         if ( rc == LDAP_SUCCESS ) {
 880                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 881
 882                 rc = do_syncrep2( &op, si );
 883
 884                 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 885                         /* If we succeeded, enable the connection for further listening.
 886                          * If we failed, tear down the connection and reschedule.
 887                          */
 888                         if ( rc == LDAP_SUCCESS ) {
 889                                 if ( first ) {
 890                                         rc = connection_client_setup( s, do_syncrepl,
 891                                                 arg );
 892                                 } else {
 893                                         connection_client_enable( s );
 894                                 }
 895                         } else if ( !first ) {
 896                                 dostop = 1;
 897                         }
 898                 } else {
 899                         if ( rc == -2 ) rc = 0;
 900                 }
 901         }
 902
 903         /* At this point, we have 4 cases:
 904          * 1) for any hard failure, give up and remove this task
 905          * 2) for ServerDown, reschedule this task to run
 906          * 3) for Refresh and Success, reschedule to run
 907          * 4) for Persist and Success, reschedule to defer
 908          */
 909         ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
 910
 911         if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
 912                 ldap_pvt_runqueue_stoptask( &syncrepl_rq, rtask );
 913         }
 914
 915         if ( dostop ) {
 916                 connection_client_stop( s );
 917         }
 918
 919         if ( rc == LDAP_SUCCESS ) {
 920                 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
 921                         defer = 0;
 922                 }
 923                 rtask->interval.tv_sec = si->si_interval;
 924                 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, defer );
 925                 if ( si->si_retrynum ) {
 926                         for ( i = 0; si->si_retrynum_init[i] != -2; i++ ) {
 927                                 si->si_retrynum[i] = si->si_retrynum_init[i];
 928                         }
 929                         si->si_retrynum[i] = -2;
 930                 }
 931         } else {
 932                 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
 933                         if ( si->si_retrynum[i] == -1  || si->si_retrynum[i] == -2 )
 934                                 break;
 935                 }
 936
 937                 if ( !si->si_retrynum || si->si_retrynum[i] == -2 ) {
 938                         ldap_pvt_runqueue_remove( &syncrepl_rq, rtask );
 939                 } else if ( si->si_retrynum[i] >= -1 ) {
 940                         if ( si->si_retrynum[i] > 0 )
 941                                 si->si_retrynum[i]--;
 942                         rtask->interval.tv_sec = si->si_retryinterval[i];
 943                         ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
 944                         slap_wake_listener();
 945                 }
 946         }
 947
 948         ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
 949
 950         return NULL;
 951 }
 952
 953 int
 954 syncrepl_message_to_entry(
 955         syncinfo_t      *si,
 956         Operation       *op,
 957         LDAPMessage     *msg,
 958         Modifications   **modlist,
 959         Entry                   **entry,
 960         int             syncstate
 961 )
 962 {
 963         Entry           *e = NULL;
 964         BerElement      *ber = NULL;
 965         Modifications   tmp;
 966         Modifications   *mod;
 967         Modifications   **modtail = modlist;
 968
 969         const char      *text;
 970         char txtbuf[SLAP_TEXT_BUFLEN];
 971         size_t textlen = sizeof txtbuf;
 972
 973         struct berval   bdn = {0, NULL}, dn, ndn;
 974         int             rc;
 975
 976         *modlist = NULL;
 977
 978         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
 979 #ifdef NEW_LOGGING
 980                 LDAP_LOG( OPERATION, ERR,
 981                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
 982 #else
 983                 Debug( LDAP_DEBUG_ANY,
 984                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
 985 #endif
 986                 return -1;
 987         }
 988
 989         op->o_tag = LDAP_REQ_ADD;
 990
 991         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
 992
 993         if ( rc != LDAP_SUCCESS ) {
 994 #ifdef NEW_LOGGING
 995                 LDAP_LOG( OPERATION, ERR,
 996                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
 997 #else
 998                 Debug( LDAP_DEBUG_ANY,
 999                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
1000 #endif
1001                 return rc;
1002         }
1003
1004         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1005         ber_dupbv( &op->o_req_dn, &dn );
1006         ber_dupbv( &op->o_req_ndn, &ndn );
1007         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1008         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1009
1010         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1011                 return LDAP_SUCCESS;
1012         }
1013
1014         if ( entry == NULL ) {
1015                 return -1;
1016         }
1017
1018         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
1019         *entry = e;
1020         e->e_name = op->o_req_dn;
1021         e->e_nname = op->o_req_ndn;
1022
1023         while ( ber_remaining( ber ) ) {
1024                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1025                         LBER_ERROR ) || ( tmp.sml_type.bv_val == NULL ))
1026                 {
1027                         break;
1028                 }
1029
1030                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ));
1031
1032                 mod->sml_op = LDAP_MOD_REPLACE;
1033                 mod->sml_next = NULL;
1034                 mod->sml_desc = NULL;
1035                 mod->sml_type = tmp.sml_type;
1036                 mod->sml_values = tmp.sml_values;
1037                 mod->sml_nvalues = NULL;
1038
1039                 *modtail = mod;
1040                 modtail = &mod->sml_next;
1041         }
1042
1043         if ( *modlist == NULL ) {
1044 #ifdef NEW_LOGGING
1045                 LDAP_LOG( OPERATION, ERR,
1046                         "syncrepl_message_to_entry: no attributes\n", 0, 0, 0 );
1047 #else
1048                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: no attributes\n",
1049                         0, 0, 0 );
1050 #endif
1051         }
1052
1053         rc = slap_mods_check( *modlist, 1, &text, txtbuf, textlen, NULL );
1054
1055         if ( rc != LDAP_SUCCESS ) {
1056 #ifdef NEW_LOGGING
1057                 LDAP_LOG( OPERATION, ERR,
1058                         "syncrepl_message_to_entry: mods check (%s)\n", text, 0, 0 );
1059 #else
1060                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods check (%s)\n",
1061                         text, 0, 0 );
1062 #endif
1063                 goto done;
1064         }
1065
1066         /* Strip out dynamically generated attrs */
1067         for ( modtail = modlist; *modtail ; ) {
1068                 mod = *modtail;
1069                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1070                         *modtail = mod->sml_next;
1071                         slap_mod_free( &mod->sml_mod, 0 );
1072                         free( mod );
1073                 } else {
1074                         modtail = &mod->sml_next;
1075                 }
1076         }
1077
1078         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1079         if( rc != LDAP_SUCCESS ) {
1080 #ifdef NEW_LOGGING
1081                 LDAP_LOG( OPERATION, ERR,
1082                         "syncrepl_message_to_entry: mods2entry (%s)\n", text, 0, 0 );
1083 #else
1084                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods2entry (%s)\n",
1085                         text, 0, 0 );
1086 #endif
1087         }
1088
1089 done:
1090         ber_free ( ber, 0 );
1091         if ( rc != LDAP_SUCCESS ) {
1092                 entry_free( e );
1093                 *entry = e = NULL;
1094         }
1095
1096         return rc;
1097 }
1098
1099 int
1100 syncrepl_entry(
1101         syncinfo_t* si,
1102         Operation *op,
1103         Entry* e,
1104         Modifications* modlist,
1105         int syncstate,
1106         struct berval* syncUUID,
1107         struct sync_cookie* syncCookie_req )
1108 {
1109         Backend *be = op->o_bd;
1110         slap_callback   cb = { NULL };
1111         struct berval   *syncuuid_bv = NULL;
1112         struct berval   syncUUID_strrep = BER_BVNULL;
1113         struct berval   uuid_bv = BER_BVNULL;
1114
1115         SlapReply       rs_search = {REP_RESULT};
1116         SlapReply       rs_delete = {REP_RESULT};
1117         SlapReply       rs_add = {REP_RESULT};
1118         SlapReply       rs_modify = {REP_RESULT};
1119         Filter f = {0};
1120         AttributeAssertion ava = {0};
1121         int rc = LDAP_SUCCESS;
1122         int ret = LDAP_SUCCESS;
1123         const char *text;
1124
1125         struct berval pdn = BER_BVNULL;
1126         struct berval org_req_dn = BER_BVNULL;
1127         struct berval org_req_ndn = BER_BVNULL;
1128         struct berval org_dn = BER_BVNULL;
1129         struct berval org_ndn = BER_BVNULL;
1130         int     org_managedsait;
1131
1132         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD )) {
1133                 syncuuid_bv = ber_dupbv( NULL, syncUUID );
1134                 avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1135                         syncuuid_cmp, avl_dup_error );
1136         }
1137
1138         if ( syncstate == LDAP_SYNC_PRESENT ) {
1139                 return e ? 1 : 0;
1140         }
1141
1142         f.f_choice = LDAP_FILTER_EQUALITY;
1143         f.f_ava = &ava;
1144         ava.aa_desc = slap_schema.si_ad_entryUUID;
1145         slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1146         ava.aa_value = *syncUUID;
1147         op->ors_filter = &f;
1148
1149         op->ors_filterstr.bv_len = (sizeof("entryUUID=")-1) + syncUUID->bv_len;
1150         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
1151                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1152         AC_MEMCPY( op->ors_filterstr.bv_val, "entryUUID=", sizeof("entryUUID=")-1 );
1153         AC_MEMCPY( &op->ors_filterstr.bv_val[sizeof("entryUUID=")-1],
1154                 syncUUID->bv_val, syncUUID->bv_len );
1155         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1156
1157         op->o_tag = LDAP_REQ_SEARCH;
1158         op->ors_scope = LDAP_SCOPE_SUBTREE;
1159
1160         /* get syncrepl cookie of shadow replica from subentry */
1161         op->o_req_dn = si->si_base;
1162         op->o_req_ndn = si->si_base;
1163
1164         op->o_time = slap_get_time();
1165         op->ors_tlimit = SLAP_NO_LIMIT;
1166         op->ors_slimit = 1;
1167
1168         op->ors_attrs = slap_anlist_no_attrs;
1169         op->ors_attrsonly = 1;
1170
1171         /* set callback function */
1172         op->o_callback = &cb;
1173         cb.sc_response = dn_callback;
1174         cb.sc_private = si;
1175
1176         si->si_syncUUID_ndn.bv_val = NULL;
1177
1178         if ( limits_check( op, &rs_search ) == 0 ) {
1179                 rc = be->be_search( op, &rs_search );
1180         }
1181
1182         if ( op->ors_filterstr.bv_val ) {
1183                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1184         }
1185
1186         cb.sc_response = null_callback;
1187         cb.sc_private = si;
1188
1189         if ( rs_search.sr_err == LDAP_SUCCESS && si->si_syncUUID_ndn.bv_val ) {
1190                 char *subseq_ptr;
1191
1192                 if ( syncstate != LDAP_SYNC_DELETE ) {
1193                         op->o_no_psearch = 1;
1194                 }
1195
1196                 ber_dupbv( &op->o_sync_csn, syncCookie_req->ctxcsn );
1197                 if ( op->o_sync_csn.bv_val ) {
1198                         subseq_ptr = strstr( op->o_sync_csn.bv_val, "#0000" );
1199                         subseq_ptr += 4;
1200                         *subseq_ptr = '1';
1201                 }
1202
1203                 op->o_req_dn = si->si_syncUUID_ndn;
1204                 op->o_req_ndn = si->si_syncUUID_ndn;
1205                 op->o_tag = LDAP_REQ_DELETE;
1206                 rc = be->be_delete( op, &rs_delete );
1207
1208                 org_req_dn = op->o_req_dn;
1209                 org_req_ndn = op->o_req_ndn;
1210                 org_dn = op->o_dn;
1211                 org_ndn = op->o_ndn;
1212                 org_managedsait = get_manageDSAit( op );
1213                 op->o_dn = op->o_bd->be_rootdn;
1214                 op->o_ndn = op->o_bd->be_rootndn;
1215                 op->o_managedsait = 1;
1216
1217                 while ( rs_delete.sr_err == LDAP_SUCCESS && op->o_delete_glue_parent ) {
1218                         op->o_delete_glue_parent = 0;
1219                         if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1220                                 slap_callback cb = { NULL };
1221                                 cb.sc_response = slap_null_cb;
1222                                 dnParent( &op->o_req_ndn, &pdn );
1223                                 op->o_req_dn = pdn;
1224                                 op->o_req_ndn = pdn;
1225                                 op->o_callback = &cb;
1226                                 op->o_bd->be_delete( op, &rs_delete );
1227                         } else {
1228                                 break;
1229                     }
1230                 }
1231
1232                 op->o_managedsait = org_managedsait;
1233                 op->o_dn = org_dn;
1234                 op->o_ndn = org_ndn;
1235                 op->o_req_dn = org_req_dn;
1236                 op->o_req_ndn = org_req_ndn;
1237                 op->o_delete_glue_parent = 0;
1238
1239                 op->o_no_psearch = 0;
1240         }
1241
1242         switch ( syncstate ) {
1243         case LDAP_SYNC_ADD:
1244         case LDAP_SYNC_MODIFY:
1245                 if ( rs_search.sr_err == LDAP_SUCCESS ||
1246                          rs_search.sr_err == LDAP_REFERRAL ||
1247                          rs_search.sr_err == LDAP_NO_SUCH_OBJECT ||
1248                          rs_search.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF )
1249                 {
1250                         attr_delete( &e->e_attrs, slap_schema.si_ad_entryUUID );
1251                         attr_merge_one( e, slap_schema.si_ad_entryUUID,
1252                                 &syncUUID_strrep, syncUUID );
1253
1254                         op->o_tag = LDAP_REQ_ADD;
1255                         op->ora_e = e;
1256                         op->o_req_dn = e->e_name;
1257                         op->o_req_ndn = e->e_nname;
1258
1259                         rc = be->be_add( op, &rs_add );
1260
1261                         if ( rs_add.sr_err != LDAP_SUCCESS ) {
1262                                 if ( rs_add.sr_err == LDAP_ALREADY_EXISTS &&
1263                                          rs_search.sr_err != LDAP_NO_SUCH_OBJECT ) {
1264                                         Modifications *mod;
1265                                         Modifications *modtail = modlist;
1266
1267                                         assert( modlist );
1268
1269                                         for ( mod = modlist; mod != NULL; mod = mod->sml_next ) {
1270                                                 modtail = mod;
1271                                         }
1272
1273                                         mod = (Modifications *)ch_calloc(1, sizeof(Modifications));
1274                                         ber_dupbv( &uuid_bv, syncUUID );
1275                                         mod->sml_op = LDAP_MOD_REPLACE;
1276                                         mod->sml_desc = slap_schema.si_ad_entryUUID;
1277                                         mod->sml_type = mod->sml_desc->ad_cname;
1278                                         ber_bvarray_add( &mod->sml_values, &uuid_bv );
1279                                         modtail->sml_next = mod;
1280
1281                                         op->o_tag = LDAP_REQ_MODIFY;
1282                                         op->orm_modlist = modlist;
1283                                         op->o_req_dn = e->e_name;
1284                                         op->o_req_ndn = e->e_nname;
1285
1286                                         rc = be->be_modify( op, &rs_modify );
1287                                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
1288 #ifdef NEW_LOGGING
1289                                                 LDAP_LOG( OPERATION, ERR,
1290                                                         "syncrepl_entry : be_modify failed (%d)\n",
1291                                                         rs_modify.sr_err, 0, 0 );
1292 #else
1293                                                 Debug( LDAP_DEBUG_ANY,
1294                                                         "syncrepl_entry : be_modify failed (%d)\n",
1295                                                         rs_modify.sr_err, 0, 0 );
1296 #endif
1297                                         }
1298                                         ret = 1;
1299                                         goto done;
1300                                 } else if ( rs_modify.sr_err == LDAP_REFERRAL ||
1301                                                         rs_modify.sr_err == LDAP_NO_SUCH_OBJECT ) {
1302                                         syncrepl_add_glue( op, e );
1303                                         ret = 0;
1304                                         goto done;
1305                                 } else {
1306 #ifdef NEW_LOGGING
1307                                         LDAP_LOG( OPERATION, ERR,
1308                                                 "syncrepl_entry : be_add failed (%d)\n",
1309                                                 rs_add.sr_err, 0, 0 );
1310 #else
1311                                         Debug( LDAP_DEBUG_ANY,
1312                                                 "syncrepl_entry : be_add failed (%d)\n",
1313                                                 rs_add.sr_err, 0, 0 );
1314 #endif
1315                                         ret = 1;
1316                                         goto done;
1317                                 }
1318                         } else {
1319                                 be_entry_release_w( op, e );
1320                                 ret = 0;
1321                                 goto done;
1322                         }
1323                 } else {
1324 #ifdef NEW_LOGGING
1325                         LDAP_LOG( OPERATION, ERR,
1326                                 "syncrepl_entry : be_search failed (%d)\n",
1327                                 rs_search.sr_err, 0, 0 );
1328 #else
1329                         Debug( LDAP_DEBUG_ANY,
1330                                 "syncrepl_entry : be_search failed (%d)\n",
1331                                 rs_search.sr_err, 0, 0 );
1332 #endif
1333                         ret = 1;
1334                         goto done;
1335                 }
1336
1337         case LDAP_SYNC_DELETE :
1338                 /* Already deleted */
1339                 ret = 0;
1340                 goto done;
1341
1342         default :
1343 #ifdef NEW_LOGGING
1344                 LDAP_LOG( OPERATION, ERR,
1345                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1346 #else
1347                 Debug( LDAP_DEBUG_ANY,
1348                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1349 #endif
1350                 ret = 1;
1351                 goto done;
1352         }
1353
1354 done :
1355
1356         if ( syncUUID_strrep.bv_val ) {
1357                 ber_memfree_x( syncUUID_strrep.bv_val, op->o_tmpmemctx );
1358         }
1359         if ( si->si_syncUUID_ndn.bv_val ) {
1360                 ber_memfree_x( si->si_syncUUID_ndn.bv_val, op->o_tmpmemctx );
1361         }
1362         return ret;
1363 }
1364
1365 static struct berval gcbva[] = {
1366         BER_BVC("top"),
1367         BER_BVC("glue"),
1368         BER_BVNULL
1369 };
1370
1371 static void
1372 syncrepl_del_nonpresent(
1373         Operation *op,
1374         syncinfo_t *si )
1375 {
1376         Backend* be = op->o_bd;
1377         slap_callback   cb = { NULL };
1378         SlapReply       rs_search = {REP_RESULT};
1379         SlapReply       rs_delete = {REP_RESULT};
1380         SlapReply       rs_modify = {REP_RESULT};
1381         struct nonpresent_entry *np_list, *np_prev;
1382         int rc;
1383         Modifications *ml;
1384         Modifications *mlnext;
1385         Modifications *mod;
1386         Modifications *modlist = NULL;
1387         Modifications **modtail = &modlist;
1388         Attribute       *attr;
1389         AttributeName   an[2];
1390
1391         struct berval pdn = BER_BVNULL;
1392         struct berval org_req_dn = BER_BVNULL;
1393         struct berval org_req_ndn = BER_BVNULL;
1394         struct berval org_dn = BER_BVNULL;
1395         struct berval org_ndn = BER_BVNULL;
1396         int     org_managedsait;
1397
1398         op->o_req_dn = si->si_base;
1399         op->o_req_ndn = si->si_base;
1400
1401         cb.sc_response = nonpresent_callback;
1402         cb.sc_private = si;
1403
1404         op->o_callback = &cb;
1405         op->o_tag = LDAP_REQ_SEARCH;
1406         op->ors_scope = si->si_scope;
1407         op->ors_deref = LDAP_DEREF_NEVER;
1408         op->o_time = slap_get_time();
1409         op->ors_tlimit = SLAP_NO_LIMIT;
1410         op->ors_slimit = SLAP_NO_LIMIT;
1411
1412         memset( &an[0], 0, 2 * sizeof( AttributeName ) );
1413         an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
1414         an[0].an_desc = slap_schema.si_ad_entryUUID;
1415         op->ors_attrs = an;
1416
1417         op->ors_attrsonly = 0;
1418         op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
1419         op->ors_filterstr = si->si_filterstr;
1420
1421         op->o_nocaching = 1;
1422         op->o_managedsait = 0;
1423
1424         if ( limits_check( op, &rs_search ) == 0 ) {
1425                 rc = be->be_search( op, &rs_search );
1426         }
1427
1428         op->o_managedsait = 1;
1429         op->o_nocaching = 0;
1430
1431         if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
1432
1433         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
1434                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
1435                 while ( np_list != NULL ) {
1436                         LDAP_LIST_REMOVE( np_list, npe_link );
1437                         np_prev = np_list;
1438                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
1439                         op->o_tag = LDAP_REQ_DELETE;
1440                         op->o_callback = &cb;
1441                         cb.sc_response = null_callback;
1442                         cb.sc_private = si;
1443                         op->o_req_dn = *np_prev->npe_name;
1444                         op->o_req_ndn = *np_prev->npe_nname;
1445                         rc = op->o_bd->be_delete( op, &rs_delete );
1446
1447                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
1448                                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1449                                 mod->sml_op = LDAP_MOD_REPLACE;
1450                                 mod->sml_desc = slap_schema.si_ad_objectClass;
1451                                 mod->sml_type = mod->sml_desc->ad_cname;
1452                                 mod->sml_values = &gcbva[0];
1453                                 *modtail = mod;
1454                                 modtail = &mod->sml_next;
1455
1456                                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1457                                 mod->sml_op = LDAP_MOD_REPLACE;
1458                                 mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
1459                                 mod->sml_type = mod->sml_desc->ad_cname;
1460                                 mod->sml_values = &gcbva[1];
1461                                 *modtail = mod;
1462                                 modtail = &mod->sml_next;
1463
1464                                 op->o_tag = LDAP_REQ_MODIFY;
1465                                 op->orm_modlist = modlist;
1466
1467                                 rc = be->be_modify( op, &rs_modify );
1468
1469                                 for ( ml = modlist; ml != NULL; ml = mlnext ) {
1470                                         mlnext = ml->sml_next;
1471                                         free( ml );
1472                                 }
1473                         }
1474
1475                         org_req_dn = op->o_req_dn;
1476                         org_req_ndn = op->o_req_ndn;
1477                         org_dn = op->o_dn;
1478                         org_ndn = op->o_ndn;
1479                         org_managedsait = get_manageDSAit( op );
1480                         op->o_dn = op->o_bd->be_rootdn;
1481                         op->o_ndn = op->o_bd->be_rootndn;
1482                         op->o_managedsait = 1;
1483
1484                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
1485                                         op->o_delete_glue_parent ) {
1486                                 op->o_delete_glue_parent = 0;
1487                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1488                                         slap_callback cb = { NULL };
1489                                         cb.sc_response = slap_null_cb;
1490                                         dnParent( &op->o_req_ndn, &pdn );
1491                                         op->o_req_dn = pdn;
1492                                         op->o_req_ndn = pdn;
1493                                         op->o_callback = &cb;
1494                                         /* give it a root privil ? */
1495                                         op->o_bd->be_delete( op, &rs_delete );
1496                                 } else {
1497                                         break;
1498                             }
1499                         }
1500
1501                         op->o_managedsait = org_managedsait;
1502                         op->o_dn = org_dn;
1503                         op->o_ndn = org_ndn;
1504                         op->o_req_dn = org_req_dn;
1505                         op->o_req_ndn = org_req_ndn;
1506                         op->o_delete_glue_parent = 0;
1507
1508                         ber_bvfree( np_prev->npe_name );
1509                         ber_bvfree( np_prev->npe_nname );
1510                         op->o_req_dn.bv_val = NULL;
1511                         op->o_req_ndn.bv_val = NULL;
1512                         ch_free( np_prev );
1513                 }
1514         }
1515
1516         return;
1517 }
1518
1519 void
1520 syncrepl_add_glue(
1521         Operation* op,
1522         Entry *e )
1523 {
1524         Backend *be = op->o_bd;
1525         slap_callback cb = { NULL };
1526         Attribute       *a;
1527         int     rc;
1528         int suffrdns;
1529         int i;
1530         struct berval dn = {0, NULL};
1531         struct berval ndn = {0, NULL};
1532         Entry   *glue;
1533         SlapReply       rs_add = {REP_RESULT};
1534         char    *ptr, *comma;
1535
1536         op->o_tag = LDAP_REQ_ADD;
1537         op->o_callback = &cb;
1538         cb.sc_response = null_callback;
1539         cb.sc_private = NULL;
1540
1541         dn = e->e_name;
1542         ndn = e->e_nname;
1543
1544         /* count RDNs in suffix */
1545         if ( be->be_nsuffix[0].bv_len ) {
1546                 for (i=0, ptr=be->be_nsuffix[0].bv_val; ptr; ptr=strchr( ptr, ',' )) {
1547                         ptr++;
1548                         i++;
1549                 }
1550                 suffrdns = i;
1551         } else {
1552                 /* suffix is "" */
1553                 suffrdns = 0;
1554         }
1555
1556         /* Start with BE suffix */
1557         for ( i = 0, ptr = NULL; i < suffrdns; i++ ) {
1558                 comma = strrchr(dn.bv_val, ',');
1559                 if ( ptr ) *ptr = ',';
1560                 if ( comma ) *comma = '\0';
1561                 ptr = comma;
1562         }
1563         if ( ptr ) {
1564                 *ptr++ = ',';
1565                 dn.bv_len -= ptr - dn.bv_val;
1566                 dn.bv_val = ptr;
1567         }
1568         /* the normalizedDNs are always the same length, no counting
1569          * required.
1570          */
1571         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
1572                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
1573                 ndn.bv_len = be->be_nsuffix[0].bv_len;
1574         }
1575
1576         while ( ndn.bv_val > e->e_nname.bv_val ) {
1577                 glue = (Entry *) ch_calloc( 1, sizeof(Entry) );
1578                 ber_dupbv( &glue->e_name, &dn );
1579                 ber_dupbv( &glue->e_nname, &ndn );
1580
1581                 a = ch_calloc( 1, sizeof( Attribute ));
1582                 a->a_desc = slap_schema.si_ad_objectClass;
1583
1584                 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
1585                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
1586                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
1587                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
1588
1589                 a->a_nvals = a->a_vals;
1590
1591                 a->a_next = glue->e_attrs;
1592                 glue->e_attrs = a;
1593
1594                 a = ch_calloc( 1, sizeof( Attribute ));
1595                 a->a_desc = slap_schema.si_ad_structuralObjectClass;
1596
1597                 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
1598                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
1599                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
1600
1601                 a->a_nvals = a->a_vals;
1602
1603                 a->a_next = glue->e_attrs;
1604                 glue->e_attrs = a;
1605
1606                 op->o_req_dn = glue->e_name;
1607                 op->o_req_ndn = glue->e_nname;
1608                 op->ora_e = glue;
1609                 rc = be->be_add ( op, &rs_add );
1610                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
1611                         be_entry_release_w( op, glue );
1612                 } else {
1613                 /* incl. ALREADY EXIST */
1614                         entry_free( glue );
1615                 }
1616
1617                 /* Move to next child */
1618                 for (ptr = dn.bv_val-2; ptr > e->e_name.bv_val && *ptr != ','; ptr--) {
1619                         /* empty */
1620                 }
1621                 if ( ptr == e->e_name.bv_val ) break;
1622                 dn.bv_val = ++ptr;
1623                 dn.bv_len = e->e_name.bv_len - (ptr-e->e_name.bv_val);
1624                 for( ptr = ndn.bv_val-2;
1625                         ptr > e->e_nname.bv_val && *ptr != ',';
1626                         ptr--)
1627                 {
1628                         /* empty */
1629                 }
1630                 ndn.bv_val = ++ptr;
1631                 ndn.bv_len = e->e_nname.bv_len - (ptr-e->e_nname.bv_val);
1632         }
1633
1634         op->o_req_dn = e->e_name;
1635         op->o_req_ndn = e->e_nname;
1636         op->ora_e = e;
1637         rc = be->be_add ( op, &rs_add );
1638         if ( rs_add.sr_err == LDAP_SUCCESS ) {
1639                 be_entry_release_w( op, e );
1640         } else {
1641                 entry_free( e );
1642         }
1643
1644         return;
1645 }
1646
1647 static struct berval ocbva[] = {
1648         BER_BVC("top"),
1649         BER_BVC("subentry"),
1650         BER_BVC("syncConsumerSubentry"),
1651         BER_BVNULL
1652 };
1653
1654 static struct berval cnbva[] = {
1655         BER_BVNULL,
1656         BER_BVNULL
1657 };
1658
1659 static struct berval ssbva[] = {
1660         BER_BVC("{}"),
1661         BER_BVNULL
1662 };
1663
1664 static struct berval scbva[] = {
1665         BER_BVNULL,
1666         BER_BVNULL
1667 };
1668
1669 void
1670 syncrepl_updateCookie(
1671         syncinfo_t *si,
1672         Operation *op,
1673         struct berval *pdn,
1674         struct sync_cookie *syncCookie )
1675 {
1676         Backend *be = op->o_bd;
1677         Modifications *ml;
1678         Modifications *mlnext;
1679         Modifications *mod;
1680         Modifications *modlist = NULL;
1681         Modifications **modtail = &modlist;
1682
1683         const char      *text;
1684         char txtbuf[SLAP_TEXT_BUFLEN];
1685         size_t textlen = sizeof txtbuf;
1686
1687         Entry* e = NULL;
1688         int rc;
1689
1690         char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
1691         struct berval slap_syncrepl_dn_bv = BER_BVNULL;
1692         struct berval slap_syncrepl_cn_bv = BER_BVNULL;
1693
1694         slap_callback cb = { NULL };
1695         SlapReply       rs_add = {REP_RESULT};
1696         SlapReply       rs_modify = {REP_RESULT};
1697
1698         slap_sync_cookie_free( &si->si_syncCookie, 0 );
1699         slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
1700
1701         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1702         mod->sml_op = LDAP_MOD_REPLACE;
1703         mod->sml_desc = slap_schema.si_ad_objectClass;
1704         mod->sml_type = mod->sml_desc->ad_cname;
1705         mod->sml_values = ocbva;
1706         *modtail = mod;
1707         modtail = &mod->sml_next;
1708
1709         ber_dupbv( &cnbva[0], (struct berval *) &slap_syncrepl_bvc );
1710         assert( si->si_rid < 1000 );
1711         cnbva[0].bv_len = snprintf( cnbva[0].bv_val,
1712                 slap_syncrepl_bvc.bv_len + 1,
1713                 "syncrepl%ld", si->si_rid );
1714         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1715         mod->sml_op = LDAP_MOD_REPLACE;
1716         mod->sml_desc = slap_schema.si_ad_cn;
1717         mod->sml_type = mod->sml_desc->ad_cname;
1718         mod->sml_values = cnbva;
1719         *modtail = mod;
1720         modtail = &mod->sml_next;
1721
1722         if ( scbva[0].bv_val ) ch_free( scbva[0].bv_val );
1723         ber_dupbv( &scbva[0], &si->si_syncCookie.octet_str[0] );
1724         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1725         mod->sml_op = LDAP_MOD_REPLACE;
1726         mod->sml_desc = slap_schema.si_ad_syncreplCookie;
1727         mod->sml_type = mod->sml_desc->ad_cname;
1728         mod->sml_values = scbva;
1729         *modtail = mod;
1730         modtail = &mod->sml_next;
1731
1732         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1733         mod->sml_op = LDAP_MOD_REPLACE;
1734         mod->sml_desc = slap_schema.si_ad_subtreeSpecification;
1735         mod->sml_type = mod->sml_desc->ad_cname;
1736         mod->sml_values = ssbva;
1737         *modtail = mod;
1738         modtail = &mod->sml_next;
1739
1740         mlnext = mod;
1741
1742         op->o_tag = LDAP_REQ_ADD;
1743         rc = slap_mods_opattrs( op, modlist, modtail,
1744                  &text, txtbuf, textlen );
1745
1746         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
1747                 ml->sml_op = LDAP_MOD_REPLACE;
1748         }
1749
1750         if( rc != LDAP_SUCCESS ) {
1751 #ifdef NEW_LOGGING
1752                 LDAP_LOG( OPERATION, ERR,
1753                         "syncrepl_updateCookie: mods opattrs (%s)\n", text, 0, 0 );
1754 #else
1755                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods opattrs (%s)\n",
1756                          text, 0, 0 );
1757 #endif
1758         }
1759
1760         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1761
1762         slap_syncrepl_cn_bv.bv_val = syncrepl_cbuf;
1763         assert( si->si_rid < 1000 );
1764         slap_syncrepl_cn_bv.bv_len = snprintf( slap_syncrepl_cn_bv.bv_val,
1765                 slap_syncrepl_cn_bvc.bv_len + 1,
1766                 "cn=syncrepl%ld", si->si_rid );
1767
1768         build_new_dn( &slap_syncrepl_dn_bv, pdn, &slap_syncrepl_cn_bv,
1769                 op->o_tmpmemctx );
1770         ber_dupbv( &e->e_name, &slap_syncrepl_dn_bv );
1771         ber_dupbv( &e->e_nname, &slap_syncrepl_dn_bv );
1772
1773         if ( slap_syncrepl_dn_bv.bv_val ) {
1774                 slap_sl_free( slap_syncrepl_dn_bv.bv_val, op->o_tmpmemctx );
1775         }
1776
1777         e->e_attrs = NULL;
1778
1779         rc = slap_mods2entry( modlist, &e, 1, 1, &text, txtbuf, textlen );
1780
1781         if( rc != LDAP_SUCCESS ) {
1782 #ifdef NEW_LOGGING
1783                 LDAP_LOG( OPERATION, ERR,
1784                         "syncrepl_updateCookie: mods2entry (%s)\n", text, 0, 0 );
1785 #else
1786                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods2entry (%s)\n",
1787                          text, 0, 0 );
1788 #endif
1789         }
1790
1791         cb.sc_response = null_callback;
1792         cb.sc_private = si;
1793
1794         op->o_callback = &cb;
1795         op->o_req_dn = e->e_name;
1796         op->o_req_ndn = e->e_nname;
1797
1798         /* update persistent cookie */
1799 update_cookie_retry:
1800         op->o_tag = LDAP_REQ_MODIFY;
1801         op->orm_modlist = modlist;
1802         rc = be->be_modify( op, &rs_modify );
1803
1804         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
1805                 if ( rs_modify.sr_err == LDAP_REFERRAL ||
1806                          rs_modify.sr_err == LDAP_NO_SUCH_OBJECT ) {
1807                         op->o_tag = LDAP_REQ_ADD;
1808                         op->ora_e = e;
1809                         rc = be->be_add( op, &rs_add );
1810                         if ( rs_add.sr_err != LDAP_SUCCESS ) {
1811                                 if ( rs_add.sr_err == LDAP_ALREADY_EXISTS ) {
1812                                         goto update_cookie_retry;
1813                                 } else if ( rs_add.sr_err == LDAP_REFERRAL ||
1814                                                         rs_add.sr_err == LDAP_NO_SUCH_OBJECT ) {
1815 #ifdef NEW_LOGGING
1816                                         LDAP_LOG( OPERATION, ERR,
1817                                                 "cookie will be non-persistent\n",
1818                                                 0, 0, 0 );
1819 #else
1820                                         Debug( LDAP_DEBUG_ANY,
1821                                                 "cookie will be non-persistent\n",
1822                                                 0, 0, 0 );
1823 #endif
1824                                 } else {
1825 #ifdef NEW_LOGGING
1826                                         LDAP_LOG( OPERATION, ERR,
1827                                                 "be_add failed (%d)\n", rs_add.sr_err, 0, 0 );
1828 #else
1829                                         Debug( LDAP_DEBUG_ANY,
1830                                                 "be_add failed (%d)\n", rs_add.sr_err, 0, 0 );
1831 #endif
1832                                 }
1833                         } else {
1834                                 be_entry_release_w( op, e );
1835                                 goto done;
1836                         }
1837                 } else {
1838 #ifdef NEW_LOGGING
1839                         LDAP_LOG( OPERATION, ERR,
1840                                 "be_modify failed (%d)\n", rs_modify.sr_err, 0, 0 );
1841 #else
1842                         Debug( LDAP_DEBUG_ANY,
1843                                 "be_modify failed (%d)\n", rs_modify.sr_err, 0, 0 );
1844 #endif
1845                 }
1846         }
1847
1848         if ( e != NULL ) {
1849                 entry_free( e );
1850         }
1851
1852 done :
1853
1854         if ( cnbva[0].bv_val ) {
1855                 ch_free( cnbva[0].bv_val );
1856                 cnbva[0].bv_val = NULL;
1857         }
1858         if ( scbva[0].bv_val ) {
1859                 ch_free( scbva[0].bv_val );
1860                 scbva[0].bv_val = NULL;
1861         }
1862
1863         if ( mlnext->sml_next ) {
1864                 slap_mods_free( mlnext->sml_next );
1865                 mlnext->sml_next = NULL;
1866         }
1867
1868         for (ml = modlist ; ml != NULL; ml = mlnext ) {
1869                 mlnext = ml->sml_next;
1870                 free( ml );
1871         }
1872
1873         return;
1874 }
1875
1876 int
1877 syncrepl_isupdate( Operation *op )
1878 {
1879         return ( syncrepl_isupdate_dn( op->o_bd, &op->o_ndn ));
1880 }
1881
1882 int
1883 syncrepl_isupdate_dn(
1884         Backend*                be,
1885         struct berval*  ndn )
1886 {
1887         syncinfo_t*     si;
1888         int                     ret = 0;
1889
1890         if ( !LDAP_STAILQ_EMPTY( &be->be_syncinfo )) {
1891                 LDAP_STAILQ_FOREACH( si, &be->be_syncinfo, si_next ) {
1892                         if ( ( ret = dn_match( &si->si_updatedn, ndn ) ) ) {
1893                                 return ret;
1894                         }
1895                 }
1896         }
1897         return 0;
1898 }
1899
1900 static int
1901 dn_callback(
1902         Operation*      op,
1903         SlapReply*      rs )
1904 {
1905         syncinfo_t *si = op->o_callback->sc_private;
1906
1907         if ( rs->sr_type == REP_SEARCH ) {
1908                 if ( si->si_syncUUID_ndn.bv_val != NULL ) {
1909 #ifdef NEW_LOGGING
1910                         LDAP_LOG( OPERATION, ERR,
1911                                 "dn_callback : consistency error - entryUUID is not unique\n", 0, 0, 0 );
1912 #else
1913                         Debug( LDAP_DEBUG_ANY,
1914                                 "dn_callback : consistency error - entryUUID is not unique\n", 0, 0, 0 );
1915 #endif
1916                 } else {
1917                         ber_dupbv_x( &si->si_syncUUID_ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
1918                 }
1919         } else if ( rs->sr_type == REP_RESULT ) {
1920                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
1921 #ifdef NEW_LOGGING
1922                         LDAP_LOG( OPERATION, ERR,
1923                                 "dn_callback : consistency error - entryUUID is not unique\n", 0, 0, 0 );
1924 #else
1925                         Debug( LDAP_DEBUG_ANY,
1926                                 "dn_callback : consistency error - entryUUID is not unique\n", 0, 0, 0 );
1927 #endif
1928                 }
1929         }
1930
1931         return LDAP_SUCCESS;
1932 }
1933
1934 static int
1935 nonpresent_callback(
1936         Operation*      op,
1937         SlapReply*      rs )
1938 {
1939         syncinfo_t *si = op->o_callback->sc_private;
1940         Attribute *a;
1941         int count = 0;
1942         struct berval* present_uuid = NULL;
1943         struct nonpresent_entry *np_entry;
1944
1945         if ( rs->sr_type == REP_RESULT ) {
1946                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
1947                 si->si_presentlist = NULL;
1948
1949         } else if ( rs->sr_type == REP_SEARCH ) {
1950                 a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
1951
1952                 if ( a == NULL ) return 0;
1953
1954                 present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
1955                         syncuuid_cmp );
1956
1957                 if ( present_uuid == NULL ) {
1958                         np_entry = (struct nonpresent_entry *)
1959                                 ch_calloc( 1, sizeof( struct nonpresent_entry ));
1960                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
1961                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
1962                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
1963
1964                 } else {
1965                         avl_delete( &si->si_presentlist,
1966                                         &a->a_nvals[0], syncuuid_cmp );
1967                         ch_free( present_uuid->bv_val );
1968                         ch_free( present_uuid );
1969                 }
1970         }
1971         return LDAP_SUCCESS;
1972 }
1973
1974 static int
1975 null_callback(
1976         Operation*      op,
1977         SlapReply*      rs )
1978 {
1979         if ( rs->sr_err != LDAP_SUCCESS &&
1980                 rs->sr_err != LDAP_REFERRAL &&
1981                 rs->sr_err != LDAP_ALREADY_EXISTS &&
1982                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
1983                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
1984         {
1985 #ifdef NEW_LOGGING
1986                 LDAP_LOG( OPERATION, ERR,
1987                         "null_callback : error code 0x%x\n",
1988                         rs->sr_err, 0, 0 );
1989 #else
1990                 Debug( LDAP_DEBUG_ANY,
1991                         "null_callback : error code 0x%x\n",
1992                         rs->sr_err, 0, 0 );
1993 #endif
1994         }
1995         return LDAP_SUCCESS;
1996 }
1997
1998 Entry *
1999 slap_create_syncrepl_entry(
2000         Backend *be,
2001         struct berval *context_csn,
2002         struct berval *rdn,
2003         struct berval *cn )
2004 {
2005         Entry* e;
2006
2007         struct berval bv;
2008
2009         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
2010
2011         attr_merge( e, slap_schema.si_ad_objectClass, ocbva, NULL );
2012
2013         attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
2014                 &ocbva[1], NULL );
2015
2016         attr_merge_one( e, slap_schema.si_ad_cn, cn, NULL );
2017
2018         if ( context_csn ) {
2019                 attr_merge_one( e, slap_schema.si_ad_syncreplCookie,
2020                         context_csn, NULL );
2021         }
2022
2023         bv.bv_val = "{}";
2024         bv.bv_len = sizeof("{}")-1;
2025         attr_merge_one( e, slap_schema.si_ad_subtreeSpecification, &bv, NULL );
2026
2027         build_new_dn( &e->e_name, &be->be_nsuffix[0], rdn, NULL );
2028         ber_dupbv( &e->e_nname, &e->e_name );
2029
2030         return e;
2031 }
2032
2033 struct berval *
2034 slap_uuidstr_from_normalized(
2035         struct berval* uuidstr,
2036         struct berval* normalized,
2037         void *ctx )
2038 {
2039         struct berval *new;
2040         unsigned char nibble;
2041         int i, d = 0;
2042
2043         if ( normalized == NULL ) return NULL;
2044         if ( normalized->bv_len != 16 ) return NULL;
2045
2046         if ( uuidstr ) {
2047                 new = uuidstr;
2048         } else {
2049                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
2050         }
2051
2052         new->bv_len = 36;
2053
2054         if (( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx )) == NULL) {
2055                 if ( !uuidstr ) slap_sl_free( new, ctx );
2056                 return NULL;
2057         }
2058
2059         for ( i = 0; i < 16; i++ ) {
2060                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
2061                         new->bv_val[(i<<1)+d] = '-';
2062                         d += 1;
2063                 }
2064
2065                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
2066                 if ( nibble < 10 ) {
2067                         new->bv_val[(i<<1)+d] = nibble + '0';
2068                 } else {
2069                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
2070                 }
2071
2072                 nibble = (normalized->bv_val[i]) & 0xF;
2073                 if ( nibble < 10 ) {
2074                         new->bv_val[(i<<1)+d+1] = nibble + '0';
2075                 } else {
2076                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
2077                 }
2078         }
2079
2080         new->bv_val[new->bv_len] = '\0';
2081         return new;
2082 }
2083
2084 static int
2085 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
2086 {
2087         const struct berval *uuid1 = v_uuid1;
2088         const struct berval *uuid2 = v_uuid2;
2089         int rc = uuid1->bv_len - uuid2->bv_len;
2090         if ( rc ) return rc;
2091         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
2092 }
2093
2094 static void
2095 avl_ber_bvfree( void *bv )
2096 {
2097         if( bv == NULL ) return;
2098         if ( ((struct berval *)bv)->bv_val != NULL ) {
2099                 ch_free( ((struct berval *)bv)->bv_val );
2100         }
2101         ch_free( (char *) bv );
2102 }