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