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         for ( n = 0; si->si_exattrs[ n ] != NULL; n++ ) /* empty */;
 114         if ( n ) {
 115                 /* Delete Attributes from exattrs list */
 116                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 117                         for ( j = 0; si->si_exattrs[j] != NULL; j++ ) {
 118                                 if ( strcmp( si->si_exattrs[j], sync_descs[i]->ad_cname.bv_val )
 119                                         == 0 )
 120                                 {
 121                                         ch_free( si->si_exattrs[j] );
 122                                         for ( k = j; si->si_exattrs[k] != NULL; k++ ) {
 123                                                 si->si_exattrs[k] = si->si_exattrs[k+1];
 124                                         }
 125                                 }
 126                         }
 127                 }
 128         }
 129 }
 130
 131 static int
 132 ldap_sync_search(
 133         syncinfo_t *si,
 134         void *ctx
 135 )
 136 {
 137         BerElementBuffer berbuf;
 138         BerElement *ber = (BerElement *)&berbuf;
 139         LDAPControl c[2], *ctrls[3];
 140         struct timeval timeout;
 141         ber_int_t       msgid;
 142         int rc;
 143
 144         /* setup LDAP SYNC control */
 145         ber_init2( ber, NULL, LBER_USE_DER );
 146         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 147
 148         if ( si->si_syncCookie.octet_str &&
 149                  si->si_syncCookie.octet_str[0].bv_val ) {
 150                 ber_printf( ber, "{eO}", abs(si->si_type),
 151                                         &si->si_syncCookie.octet_str[0] );
 152         } else {
 153                 ber_printf( ber, "{e}", abs(si->si_type) );
 154         }
 155
 156         if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 )) == LBER_ERROR ) {
 157                 ber_free_buf( ber );
 158                 return rc;
 159         }
 160
 161         c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 162         c[0].ldctl_iscritical = si->si_type < 0;
 163         ctrls[0] = &c[0];
 164
 165         if ( si->si_authzId ) {
 166                 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 167                 ber_str2bv( si->si_authzId, 0, 0, &c[1].ldctl_value );
 168                 c[1].ldctl_iscritical = 1;
 169                 ctrls[1] = &c[1];
 170                 ctrls[2] = NULL;
 171         } else {
 172                 ctrls[1] = NULL;
 173         }
 174
 175         timeout.tv_sec = si->si_tlimit;
 176         timeout.tv_usec = 0;
 177
 178         rc = ldap_search_ext( si->si_ld, si->si_base.bv_val, si->si_scope,
 179                 si->si_filterstr.bv_val, si->si_attrs, si->si_attrsonly,
 180                 ctrls, NULL, si->si_tlimit > 0 ? &timeout : NULL,
 181                 si->si_slimit, &msgid );
 182         ber_free_buf( ber );
 183
 184         return rc;
 185 }
 186
 187 static int
 188 do_syncrep1(
 189         Operation *op,
 190         syncinfo_t *si )
 191 {
 192         int     rc;
 193         int cmdline_cookie_found = 0;
 194
 195         char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
 196         struct berval syncrepl_cn_bv;
 197         struct sync_cookie      *sc = NULL;
 198         struct sync_cookie      syncCookie = { NULL, -1, NULL };
 199         struct berval   *psub;
 200 #ifdef HAVE_TLS
 201         void    *ssl;
 202 #endif
 203
 204         psub = &si->si_be->be_nsuffix[0];
 205
 206         /* Init connection to master */
 207
 208         rc = ldap_initialize( &si->si_ld, si->si_provideruri );
 209         if ( rc != LDAP_SUCCESS ) {
 210 #ifdef NEW_LOGGING
 211                 LDAP_LOG( OPERATION, ERR,
 212                         "do_syncrep1: ldap_initialize failed (%s)\n",
 213                         si->si_provideruri, 0, 0 );
 214 #else
 215                 Debug( LDAP_DEBUG_ANY,
 216                         "do_syncrep1: ldap_initialize failed (%s)\n",
 217                         si->si_provideruri, 0, 0 );
 218 #endif
 219                 return rc;
 220         }
 221
 222         op->o_protocol = LDAP_VERSION3;
 223         ldap_set_option( si->si_ld, LDAP_OPT_PROTOCOL_VERSION, &op->o_protocol );
 224
 225         /* Bind to master */
 226
 227         if ( si->si_tls ) {
 228                 rc = ldap_start_tls_s( si->si_ld, NULL, NULL );
 229                 if( rc != LDAP_SUCCESS ) {
 230 #ifdef NEW_LOGGING
 231                         LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 232                                 "%s: ldap_start_tls failed (%d)\n",
 233                                 si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
 234                                 rc, 0 );
 235 #else
 236                         Debug( LDAP_DEBUG_ANY,
 237                                 "%s: ldap_start_tls failed (%d)\n",
 238                                 si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
 239                                 rc, 0 );
 240 #endif
 241                         if( si->si_tls == SYNCINFO_TLS_CRITICAL ) goto done;
 242                 }
 243         }
 244
 245         if ( si->si_bindmethod == LDAP_AUTH_SASL ) {
 246 #ifdef HAVE_CYRUS_SASL
 247                 void *defaults;
 248
 249                 if ( si->si_secprops != NULL ) {
 250                         rc = ldap_set_option( si->si_ld,
 251                                 LDAP_OPT_X_SASL_SECPROPS, si->si_secprops);
 252
 253                         if( rc != LDAP_OPT_SUCCESS ) {
 254 #ifdef NEW_LOGGING
 255                                 LDAP_LOG ( OPERATION, ERR, "do_bind: Error: "
 256                                         "ldap_set_option(%s,SECPROPS,\"%s\") failed!\n",
 257                                         si->si_provideruri, si->si_secprops, 0 );
 258 #else
 259                                 Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
 260                                         "(%s,SECPROPS,\"%s\") failed!\n",
 261                                         si->si_provideruri, si->si_secprops, 0 );
 262 #endif
 263                                 goto done;
 264                         }
 265                 }
 266
 267                 defaults = lutil_sasl_defaults( si->si_ld,
 268                         si->si_saslmech, si->si_realm,
 269                         si->si_authcId, si->si_passwd, si->si_authzId );
 270
 271                 rc = ldap_sasl_interactive_bind_s( si->si_ld,
 272                                 si->si_binddn,
 273                                 si->si_saslmech,
 274                                 NULL, NULL,
 275                                 LDAP_SASL_QUIET,
 276                                 lutil_sasl_interact,
 277                                 defaults );
 278
 279                 lutil_sasl_freedefs( defaults );
 280
 281                 /* FIXME: different error behaviors according to
 282                  *      1) return code
 283                  *      2) on err policy : exit, retry, backoff ...
 284                  */
 285                 if ( rc != LDAP_SUCCESS ) {
 286 #ifdef NEW_LOGGING
 287                         LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 288                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 289                                 rc, 0, 0 );
 290 #else
 291                         Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 292                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 293                                 rc, 0, 0 );
 294 #endif
 295
 296                         /* FIXME (see above comment) */
 297                         /* if Kerberos credentials cache is not active, retry */
 298                         if ( strcmp( si->si_saslmech, "GSSAPI" ) == 0 &&
 299                                 rc == LDAP_LOCAL_ERROR )
 300                         {
 301                                 rc = LDAP_SERVER_DOWN;
 302                         }
 303
 304                         goto done;
 305                 }
 306 #else /* HAVE_CYRUS_SASL */
 307                 /* Should never get here, we trapped this at config time */
 308                 fprintf( stderr, "not compiled with SASL support\n" );
 309                 rc = LDAP_OTHER;
 310                 goto done;
 311 #endif
 312         } else {
 313                 rc = ldap_bind_s( si->si_ld,
 314                         si->si_binddn, si->si_passwd, si->si_bindmethod );
 315                 if ( rc != LDAP_SUCCESS ) {
 316 #ifdef NEW_LOGGING
 317                         LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 318                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 319 #else
 320                         Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 321                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 322 #endif
 323                         goto done;
 324                 }
 325         }
 326
 327         /* Set SSF to strongest of TLS, SASL SSFs */
 328         op->o_sasl_ssf = 0;
 329         op->o_tls_ssf = 0;
 330         op->o_transport_ssf = 0;
 331 #ifdef HAVE_TLS
 332         if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
 333                 == LDAP_SUCCESS && ssl != NULL )
 334         {
 335                 op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
 336         }
 337 #endif /* HAVE_TLS */
 338         ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &op->o_sasl_ssf );
 339         op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
 340                 ?  op->o_sasl_ssf : op->o_tls_ssf;
 341
 342         /* get syncrepl cookie of shadow replica from subentry */
 343
 344         assert( si->si_rid < 1000 );
 345         syncrepl_cn_bv.bv_val = syncrepl_cbuf;
 346         syncrepl_cn_bv.bv_len = snprintf(syncrepl_cbuf, sizeof(syncrepl_cbuf),
 347                 CN_STR "syncrepl%ld", si->si_rid );
 348         build_new_dn( &op->o_req_ndn, psub, &syncrepl_cn_bv, op->o_tmpmemctx );
 349         op->o_req_dn = op->o_req_ndn;
 350
 351         LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
 352                 if ( si->si_rid == sc->rid ) {
 353                         cmdline_cookie_found = 1;
 354                         break;
 355                 }
 356         }
 357
 358         if ( cmdline_cookie_found ) {
 359                 /* cookie is supplied in the command line */
 360                 BerVarray cookie = NULL;
 361                 struct berval cookie_bv;
 362
 363                 LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
 364                 slap_sync_cookie_free( &si->si_syncCookie, 0 );
 365
 366                 /* read stored cookie if it exists */
 367                 backend_attribute( op, NULL, &op->o_req_ndn,
 368                         slap_schema.si_ad_syncreplCookie, &cookie, ACL_READ );
 369
 370                 if ( !cookie ) {
 371                         /* no stored cookie */
 372                         if ( sc->ctxcsn == NULL ||
 373                                  sc->ctxcsn->bv_val == NULL ) {
 374                                 /* if cmdline cookie does not have ctxcsn */
 375                                 /* component, set it to an initial value */
 376                                 slap_init_sync_cookie_ctxcsn( sc );
 377                         }
 378                         slap_dup_sync_cookie( &si->si_syncCookie, sc );
 379                         slap_sync_cookie_free( sc, 1 );
 380                         sc = NULL;
 381                 } else {
 382                         /* stored cookie */
 383                         struct berval newcookie = BER_BVNULL;
 384                         ber_dupbv( &cookie_bv, &cookie[0] );
 385                         ber_bvarray_add( &si->si_syncCookie.octet_str, &cookie_bv );
 386                         slap_parse_sync_cookie( &si->si_syncCookie );
 387                         ber_bvarray_free( si->si_syncCookie.octet_str );
 388                         si->si_syncCookie.octet_str = NULL;
 389                         ber_bvarray_free_x( cookie, op->o_tmpmemctx );
 390                         if ( sc->sid != -1 ) {
 391                                 /* command line cookie wins */
 392                                 si->si_syncCookie.sid = sc->sid;
 393                         }
 394                         if ( sc->ctxcsn != NULL ) {
 395                                 /* command line cookie wins */
 396                                 if ( si->si_syncCookie.ctxcsn ) {
 397                                         ber_bvarray_free( si->si_syncCookie.ctxcsn );
 398                                         si->si_syncCookie.ctxcsn = NULL;
 399                                 }
 400                                 ber_dupbv( &cookie_bv, &sc->ctxcsn[0] );
 401                                 ber_bvarray_add( &si->si_syncCookie.ctxcsn, &cookie_bv );
 402                         }
 403                         if ( sc->rid != -1 ) {
 404                                 /* command line cookie wins */
 405                                 si->si_syncCookie.rid = sc->rid;
 406                         }
 407                         slap_sync_cookie_free( sc, 1 );
 408                         sc = NULL;
 409                         slap_compose_sync_cookie( NULL, &newcookie,
 410                                         &si->si_syncCookie.ctxcsn[0],
 411                                         si->si_syncCookie.sid, si->si_syncCookie.rid );
 412                         ber_bvarray_add( &si->si_syncCookie.octet_str, &newcookie );
 413                 }
 414         } else {
 415                 /* no command line cookie is specified */
 416                 if ( si->si_syncCookie.octet_str == NULL ) {
 417                         BerVarray cookie = NULL;
 418                         struct berval cookie_bv;
 419                         /* try to read stored cookie */
 420                         backend_attribute( op, NULL, &op->o_req_ndn,
 421                                 slap_schema.si_ad_syncreplCookie, &cookie, ACL_READ );
 422                         if ( cookie ) {
 423                                 ber_dupbv( &cookie_bv, &cookie[0] );
 424                                 ber_bvarray_add( &si->si_syncCookie.octet_str, &cookie_bv );
 425                                 slap_parse_sync_cookie( &si->si_syncCookie );
 426                                 ber_bvarray_free_x( cookie, op->o_tmpmemctx );
 427                         }
 428                 }
 429         }
 430
 431         rc = ldap_sync_search( si, op->o_tmpmemctx );
 432
 433         if( rc != LDAP_SUCCESS ) {
 434 #ifdef NEW_LOGGING
 435                 LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
 436                         "ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
 437 #else
 438                 Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 439                         "ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
 440 #endif
 441         }
 442
 443 done:
 444         if ( rc ) {
 445                 if ( si->si_ld ) {
 446                         ldap_unbind( si->si_ld );
 447                         si->si_ld = NULL;
 448                 }
 449         }
 450
 451         return rc;
 452 }
 453
 454 static int
 455 do_syncrep2(
 456         Operation *op,
 457         syncinfo_t *si )
 458 {
 459         LDAPControl     **rctrls = NULL;
 460         LDAPControl     *rctrlp;
 461
 462         BerElementBuffer berbuf;
 463         BerElement      *ber = (BerElement *)&berbuf;
 464
 465         LDAPMessage     *res = NULL;
 466         LDAPMessage     *msg = NULL;
 467
 468         char            *retoid = NULL;
 469         struct berval   *retdata = NULL;
 470
 471         Entry           *entry = NULL;
 472
 473         int             syncstate;
 474         struct berval   syncUUID = BER_BVNULL;
 475         struct sync_cookie      syncCookie = { NULL, -1, NULL };
 476         struct sync_cookie      syncCookie_req = { NULL, -1, NULL };
 477         struct berval           cookie = BER_BVNULL;
 478
 479         int     rc, err, i;
 480         ber_len_t       len;
 481
 482         int rc_efree = 1;
 483
 484         struct berval   *psub;
 485         Modifications   *modlist = NULL;
 486
 487         const char              *text;
 488         int                             match;
 489
 490         struct timeval *tout_p = NULL;
 491         struct timeval tout = { 0, 0 };
 492
 493         int             refreshDeletes = 0;
 494         int             refreshDone = 1;
 495         BerVarray syncUUIDs = NULL;
 496         ber_tag_t si_tag;
 497
 498         if ( slapd_shutdown ) {
 499                 rc = -2;
 500                 goto done;
 501         }
 502
 503         ber_init2( ber, NULL, LBER_USE_DER );
 504         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 505
 506 #ifdef NEW_LOGGING
 507         LDAP_LOG ( OPERATION, DETAIL1, "do_syncrep2\n", 0, 0, 0 );
 508 #else
 509         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2\n", 0, 0, 0 );
 510 #endif
 511
 512         psub = &si->si_be->be_nsuffix[0];
 513
 514         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 515
 516         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ){
 517                 tout_p = &tout;
 518         } else {
 519                 tout_p = NULL;
 520         }
 521
 522         while (( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE, tout_p, &res ))
 523                 > 0 )
 524         {
 525                 if ( slapd_shutdown ) {
 526                         rc = -2;
 527                         goto done;
 528                 }
 529                 for( msg = ldap_first_message( si->si_ld, res );
 530                   msg != NULL;
 531                   msg = ldap_next_message( si->si_ld, msg ) )
 532                 {
 533                         switch( ldap_msgtype( msg ) ) {
 534                         case LDAP_RES_SEARCH_ENTRY:
 535                                 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 536                                 /* we can't work without the control */
 537                                 if ( !rctrls ) {
 538                                         rc = -1;
 539                                         goto done;
 540                                 }
 541                                 rctrlp = *rctrls;
 542                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 543                                 ber_scanf( ber, "{em", &syncstate, &syncUUID );
 544                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 545                                         ber_scanf( ber, "m}", &cookie );
 546                                         if ( cookie.bv_val ) {
 547                                                 struct berval tmp_bv;
 548                                                 ber_dupbv( &tmp_bv, &cookie );
 549                                                 ber_bvarray_add( &syncCookie.octet_str, &tmp_bv );
 550                                         }
 551                                         if ( syncCookie.octet_str &&
 552                                                         syncCookie.octet_str[0].bv_val )
 553                                                 slap_parse_sync_cookie( &syncCookie );
 554                                 }
 555                                 if ( syncrepl_message_to_entry( si, op, msg,
 556                                         &modlist, &entry, syncstate ) == LDAP_SUCCESS ) {
 557                                         rc_efree = syncrepl_entry( si, op, entry, modlist,
 558                                                                 syncstate, &syncUUID, &syncCookie_req );
 559                                         if ( syncCookie.octet_str &&
 560                                                  syncCookie.octet_str[0].bv_val ) {
 561                                                 syncrepl_updateCookie( si, op, psub, &syncCookie );
 562                                         }
 563                                 }
 564                                 ldap_controls_free( rctrls );
 565                                 if ( modlist ) {
 566                                         slap_mods_free( modlist );
 567                                 }
 568                                 if ( rc_efree && entry ) {
 569                                         entry_free( entry );
 570                                 }
 571                                 entry = NULL;
 572                                 break;
 573
 574                         case LDAP_RES_SEARCH_REFERENCE:
 575 #ifdef NEW_LOGGING
 576                                 LDAP_LOG( OPERATION, ERR,
 577                                         "do_syncrep2 : reference received\n", 0, 0, 0 );
 578 #else
 579                                 Debug( LDAP_DEBUG_ANY,
 580                                         "do_syncrep2 : reference received\n", 0, 0, 0 );
 581 #endif
 582                                 break;
 583
 584                         case LDAP_RES_SEARCH_RESULT:
 585                                 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 586                                         &rctrls, 0 );
 587                                 if ( rctrls ) {
 588                                         rctrlp = *rctrls;
 589                                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 590
 591                                         ber_scanf( ber, "{" /*"}"*/);
 592                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 593                                         {
 594                                                 ber_scanf( ber, "m", &cookie );
 595                                                 if ( cookie.bv_val ) {
 596                                                         struct berval tmp_bv;
 597                                                         ber_dupbv( &tmp_bv, &cookie );
 598                                                         ber_bvarray_add( &syncCookie.octet_str, &tmp_bv);
 599                                                 }
 600                                                 if ( syncCookie.octet_str &&
 601                                                                  syncCookie.octet_str[0].bv_val )
 602                                                         slap_parse_sync_cookie( &syncCookie );
 603                                         }
 604                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 605                                         {
 606                                                 ber_scanf( ber, "b", &refreshDeletes );
 607                                         }
 608                                         ber_scanf( ber, "}" );
 609                                 }
 610                                 if ( syncCookie_req.ctxcsn == NULL ) {
 611                                         match = -1;
 612                                 } else if ( syncCookie.ctxcsn == NULL ) {
 613                                         match = 1;
 614                                 } else {
 615                                         value_match( &match, slap_schema.si_ad_entryCSN,
 616                                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 617                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 618                                                 &syncCookie_req.ctxcsn[0], &syncCookie.ctxcsn[0], &text );
 619                                 }
 620                                 if ( syncCookie.octet_str && syncCookie.octet_str->bv_val
 621                                          && match < 0 && err == LDAP_SUCCESS ) {
 622                                         syncrepl_updateCookie( si, op, psub, &syncCookie );
 623                                 }
 624                                 if ( rctrls ) {
 625                                         ldap_controls_free( rctrls );
 626                                 }
 627                                 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 628                                         /* FIXME : different error behaviors according to
 629                                          *      1) err code : LDAP_BUSY ...
 630                                          *      2) on err policy : stop service, stop sync, retry
 631                                          */
 632                                         if ( refreshDeletes == 0 && match < 0 &&
 633                                                  err == LDAP_SUCCESS ) {
 634                                                 syncrepl_del_nonpresent( op, si );
 635                                         } else {
 636                                                 avl_free( si->si_presentlist, avl_ber_bvfree );
 637                                                 si->si_presentlist = NULL;
 638                                         }
 639                                 }
 640                                 rc = -2;
 641                                 goto done;
 642                                 break;
 643
 644                         case LDAP_RES_INTERMEDIATE:
 645                                 rc = ldap_parse_intermediate( si->si_ld, msg,
 646                                         &retoid, &retdata, NULL, 0 );
 647                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 648                                         int             si_refreshDelete = 0;
 649                                         int             si_refreshPresent = 0;
 650                                         ber_init2( ber, retdata, LBER_USE_DER );
 651
 652                                         switch ( si_tag = ber_peek_tag( ber, &len )) {
 653                                         ber_tag_t tag;
 654                                         case LDAP_TAG_SYNC_NEW_COOKIE:
 655                                                 ber_scanf( ber, "tm", &tag, &cookie );
 656                                                 break;
 657                                         case LDAP_TAG_SYNC_REFRESH_DELETE:
 658                                                 si_refreshDelete = 1;
 659                                         case LDAP_TAG_SYNC_REFRESH_PRESENT:
 660                                                 si_refreshPresent = 1;
 661                                                 ber_scanf( ber, "t{", &tag );
 662                                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 663                                                 {
 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, &tmp_bv);
 669                                                         }
 670                                                         if ( syncCookie.octet_str &&
 671                                                                          syncCookie.octet_str[0].bv_val )
 672                                                                 slap_parse_sync_cookie( &syncCookie );
 673                                                 }
 674                                                 if ( ber_peek_tag( ber, &len ) ==
 675                                                                         LDAP_TAG_REFRESHDONE )
 676                                                 {
 677                                                         ber_scanf( ber, "b", &refreshDone );
 678                                                 }
 679                                                 ber_scanf( ber, "}" );
 680                                                 break;
 681                                         case LDAP_TAG_SYNC_ID_SET:
 682                                                 ber_scanf( ber, "t{", &tag );
 683                                                 if ( ber_peek_tag( ber, &len ) ==
 684                                                                 LDAP_TAG_SYNC_COOKIE ) {
 685                                                         ber_scanf( ber, "m", &cookie );
 686                                                         if ( cookie.bv_val ) {
 687                                                                 struct berval tmp_bv;
 688                                                                 ber_dupbv( &tmp_bv, &cookie );
 689                                                                 ber_bvarray_add( &syncCookie.octet_str,
 690                                                                                                  &tmp_bv );
 691                                                         }
 692                                                         if ( syncCookie.octet_str &&
 693                                                                          syncCookie.octet_str[0].bv_val )
 694                                                                 slap_parse_sync_cookie( &syncCookie );
 695                                                 }
 696                                                 if ( ber_peek_tag( ber, &len ) ==
 697                                                                         LDAP_TAG_REFRESHDELETES )
 698                                                 {
 699                                                         ber_scanf( ber, "b", &refreshDeletes );
 700                                                 }
 701                                                 ber_scanf( ber, "[W]", &syncUUIDs );
 702                                                 ber_scanf( ber, "}" );
 703                                                 for ( i = 0; syncUUIDs[i].bv_val; i++ ) {
 704                                                         struct berval *syncuuid_bv;
 705                                                         syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
 706                                                         avl_insert( &si->si_presentlist,
 707                                                                         (caddr_t) syncuuid_bv,
 708                                                                         syncuuid_cmp, avl_dup_error );
 709                                                 }
 710                                                 ber_memfree_x( syncUUIDs, op->o_tmpmemctx );
 711                                                 break;
 712                                         default:
 713 #ifdef NEW_LOGGING
 714                                         LDAP_LOG( OPERATION, ERR,
 715                                                 "do_syncrep2 : unknown syncinfo tag (%ld)\n",
 716                                                 (long) si_tag, 0, 0 );
 717 #else
 718                                         Debug( LDAP_DEBUG_ANY,
 719                                                 "do_syncrep2 : unknown syncinfo tag (%ld)\n",
 720                                                 (long) si_tag, 0, 0 );
 721 #endif
 722                                                 ldap_memfree( retoid );
 723                                                 ber_bvfree( retdata );
 724                                                 continue;
 725                                         }
 726
 727                                         if ( syncCookie_req.ctxcsn == NULL ) {
 728                                                 match = -1;
 729                                         } else if ( syncCookie.ctxcsn == NULL ) {
 730                                                 match = 1;
 731                                         } else {
 732                                                 value_match( &match, slap_schema.si_ad_entryCSN,
 733                                                         slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 734                                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 735                                                         &syncCookie_req.ctxcsn[0],
 736                                                         &syncCookie.ctxcsn[0], &text );
 737                                         }
 738
 739                                         if ( syncCookie.ctxcsn && syncCookie.ctxcsn[0].bv_val
 740                                                  && match < 0 ) {
 741                                                 syncrepl_updateCookie( si, op, psub, &syncCookie);
 742                                         }
 743
 744                                         if ( si_refreshPresent == 1 ) {
 745                                                 if ( match < 0 ) {
 746                                                         syncrepl_del_nonpresent( op, si );
 747                                                 }
 748                                         }
 749
 750                                         ldap_memfree( retoid );
 751                                         ber_bvfree( retdata );
 752                                         break;
 753                                 } else {
 754 #ifdef NEW_LOGGING
 755                                         LDAP_LOG( OPERATION, ERR,"do_syncrep2 :"
 756                                                 " unknown intermediate "
 757                                                 "response\n", 0, 0, 0 );
 758 #else
 759                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
 760                                                 "unknown intermediate response (%d)\n",
 761                                                 rc, 0, 0 );
 762 #endif
 763                                         ldap_memfree( retoid );
 764                                         ber_bvfree( retdata );
 765                                         break;
 766                                 }
 767                                 break;
 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         avl_free( si->si_presentlist, avl_ber_bvfree );
 809         si->si_presentlist = NULL;
 810
 811         if ( res ) ldap_msgfree( res );
 812
 813         if ( rc && si->si_ld ) {
 814                 ldap_unbind( si->si_ld );
 815                 si->si_ld = NULL;
 816         }
 817
 818         return rc;
 819 }
 820
 821 void *
 822 do_syncrepl(
 823         void    *ctx,
 824         void    *arg )
 825 {
 826         struct re_s* rtask = arg;
 827         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
 828         Connection conn = {0};
 829         Operation op = {0};
 830         int rc = LDAP_SUCCESS;
 831         int first = 0;
 832         int dostop = 0;
 833         ber_socket_t s;
 834         int i, defer = 1;
 835
 836 #ifdef NEW_LOGGING
 837         LDAP_LOG ( OPERATION, DETAIL1, "do_syncrepl\n", 0, 0, 0 );
 838 #else
 839         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl\n", 0, 0, 0 );
 840 #endif
 841
 842         if ( si == NULL )
 843                 return NULL;
 844
 845         switch( abs( si->si_type )) {
 846         case LDAP_SYNC_REFRESH_ONLY:
 847         case LDAP_SYNC_REFRESH_AND_PERSIST:
 848                 break;
 849         default:
 850                 return NULL;
 851         }
 852
 853         if ( slapd_shutdown && si->si_ld ) {
 854                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 855                 connection_client_stop( s );
 856                 ldap_unbind( si->si_ld );
 857                 si->si_ld = NULL;
 858                 return NULL;
 859         }
 860
 861         connection_fake_init( &conn, &op, ctx );
 862
 863         /* use global malloc for now */
 864         op.o_tmpmemctx = NULL;
 865         op.o_tmpmfuncs = &ch_mfuncs;
 866
 867         op.o_dn = si->si_updatedn;
 868         op.o_ndn = si->si_updatedn;
 869         op.o_managedsait = 1;
 870         op.o_bd = si->si_be;
 871
 872         op.o_sync_state.ctxcsn = NULL;
 873         op.o_sync_state.sid = -1;
 874         op.o_sync_state.octet_str = NULL;
 875         op.o_sync_slog_size = -1;
 876         LDAP_STAILQ_FIRST( &op.o_sync_slog_list ) = NULL;
 877         op.o_sync_slog_list.stqh_last = &LDAP_STAILQ_FIRST(&op.o_sync_slog_list);
 878
 879         /* Establish session, do search */
 880         if ( !si->si_ld ) {
 881                 first = 1;
 882                 rc = do_syncrep1( &op, si );
 883         }
 884
 885         /* Process results */
 886         if ( rc == LDAP_SUCCESS ) {
 887                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 888
 889                 rc = do_syncrep2( &op, si );
 890
 891                 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 892                         /* If we succeeded, enable the connection for further listening.
 893                          * If we failed, tear down the connection and reschedule.
 894                          */
 895                         if ( rc == LDAP_SUCCESS ) {
 896                                 if ( first ) {
 897                                         rc = connection_client_setup( s, do_syncrepl,
 898                                                 arg );
 899                                 } else {
 900                                         connection_client_enable( s );
 901                                 }
 902                         } else if ( !first ) {
 903                                 dostop = 1;
 904                         }
 905                 } else {
 906                         if ( rc == -2 ) rc = 0;
 907                 }
 908         }
 909
 910         /* At this point, we have 4 cases:
 911          * 1) for any hard failure, give up and remove this task
 912          * 2) for ServerDown, reschedule this task to run
 913          * 3) for Refresh and Success, reschedule to run
 914          * 4) for Persist and Success, reschedule to defer
 915          */
 916         ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
 917
 918         if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
 919                 ldap_pvt_runqueue_stoptask( &syncrepl_rq, rtask );
 920         }
 921
 922         if ( dostop ) {
 923                 connection_client_stop( s );
 924         }
 925
 926         if ( rc == LDAP_SUCCESS ) {
 927                 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
 928                         defer = 0;
 929                 }
 930                 rtask->interval.tv_sec = si->si_interval;
 931                 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, defer );
 932                 if ( si->si_retrynum ) {
 933                         for ( i = 0; si->si_retrynum_init[i] != -2; i++ ) {
 934                                 si->si_retrynum[i] = si->si_retrynum_init[i];
 935                         }
 936                         si->si_retrynum[i] = -2;
 937                 }
 938         } else {
 939                 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
 940                         if ( si->si_retrynum[i] == -1  || si->si_retrynum[i] == -2 )
 941                                 break;
 942                 }
 943
 944                 if ( !si->si_retrynum || si->si_retrynum[i] == -2 ) {
 945                         ldap_pvt_runqueue_remove( &syncrepl_rq, rtask );
 946                 } else if ( si->si_retrynum[i] >= -1 ) {
 947                         if ( si->si_retrynum[i] > 0 )
 948                                 si->si_retrynum[i]--;
 949                         rtask->interval.tv_sec = si->si_retryinterval[i];
 950                         ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
 951                         slap_wake_listener();
 952                 }
 953         }
 954
 955         ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
 956
 957         return NULL;
 958 }
 959
 960 int
 961 syncrepl_message_to_entry(
 962         syncinfo_t      *si,
 963         Operation       *op,
 964         LDAPMessage     *msg,
 965         Modifications   **modlist,
 966         Entry                   **entry,
 967         int             syncstate
 968 )
 969 {
 970         Entry           *e = NULL;
 971         BerElement      *ber = NULL;
 972         Modifications   tmp;
 973         Modifications   *mod;
 974         Modifications   **modtail = modlist;
 975
 976         const char      *text;
 977         char txtbuf[SLAP_TEXT_BUFLEN];
 978         size_t textlen = sizeof txtbuf;
 979
 980         struct berval   bdn = {0, NULL}, dn, ndn;
 981         int             rc;
 982
 983         *modlist = NULL;
 984
 985         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
 986 #ifdef NEW_LOGGING
 987                 LDAP_LOG( OPERATION, ERR,
 988                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
 989 #else
 990                 Debug( LDAP_DEBUG_ANY,
 991                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
 992 #endif
 993                 return -1;
 994         }
 995
 996         op->o_tag = LDAP_REQ_ADD;
 997
 998         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
 999
1000         if ( rc != LDAP_SUCCESS ) {
1001 #ifdef NEW_LOGGING
1002                 LDAP_LOG( OPERATION, ERR,
1003                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
1004 #else
1005                 Debug( LDAP_DEBUG_ANY,
1006                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
1007 #endif
1008                 return rc;
1009         }
1010
1011         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1012         ber_dupbv( &op->o_req_dn, &dn );
1013         ber_dupbv( &op->o_req_ndn, &ndn );
1014         sl_free( ndn.bv_val, op->o_tmpmemctx );
1015         sl_free( dn.bv_val, op->o_tmpmemctx );
1016
1017         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1018                 if ( entry )
1019                         *entry = NULL;
1020                 return LDAP_SUCCESS;
1021         }
1022
1023         if ( entry == NULL ) {
1024                 return -1;
1025         }
1026
1027         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
1028         *entry = e;
1029         e->e_name = op->o_req_dn;
1030         e->e_nname = op->o_req_ndn;
1031
1032         while ( ber_remaining( ber ) ) {
1033                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1034                         LBER_ERROR ) || ( tmp.sml_type.bv_val == NULL ))
1035                 {
1036                         break;
1037                 }
1038
1039                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ));
1040
1041                 mod->sml_op = LDAP_MOD_REPLACE;
1042                 mod->sml_next = NULL;
1043                 mod->sml_desc = NULL;
1044                 mod->sml_type = tmp.sml_type;
1045                 mod->sml_values = tmp.sml_values;
1046                 mod->sml_nvalues = NULL;
1047
1048                 *modtail = mod;
1049                 modtail = &mod->sml_next;
1050         }
1051
1052         if ( *modlist == NULL ) {
1053 #ifdef NEW_LOGGING
1054                 LDAP_LOG( OPERATION, ERR,
1055                                 "syncrepl_message_to_entry: no attributes\n", 0, 0, 0 );
1056 #else
1057                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: no attributes\n",
1058                                 0, 0, 0 );
1059 #endif
1060                 rc = -1;
1061                 goto done;
1062         }
1063
1064         rc = slap_mods_check( *modlist, 1, &text, txtbuf, textlen, NULL );
1065
1066         if ( rc != LDAP_SUCCESS ) {
1067 #ifdef NEW_LOGGING
1068                 LDAP_LOG( OPERATION, ERR,
1069                                 "syncrepl_message_to_entry: mods check (%s)\n", text, 0, 0 );
1070 #else
1071                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods check (%s)\n",
1072                                 text, 0, 0 );
1073 #endif
1074                 goto done;
1075         }
1076
1077         /* Strip out dynamically generated attrs */
1078         for ( modtail = modlist; *modtail ; ) {
1079                 mod = *modtail;
1080                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1081                         *modtail = mod->sml_next;
1082                         slap_mod_free( &mod->sml_mod, 0 );
1083                         ch_free( mod );
1084                 } else {
1085                         modtail = &mod->sml_next;
1086                 }
1087         }
1088
1089         /* Strip out attrs in exattrs list */
1090         for ( modtail = modlist; *modtail ; ) {
1091                 mod = *modtail;
1092                 if ( ldap_charray_inlist( si->si_exattrs,
1093                                         mod->sml_desc->ad_type->sat_cname.bv_val )) {
1094                         *modtail = mod->sml_next;
1095                         slap_mod_free( &mod->sml_mod, 0 );
1096                         ch_free( mod );
1097                 } else {
1098                         modtail = &mod->sml_next;
1099                 }
1100         }
1101
1102         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1103         if( rc != LDAP_SUCCESS ) {
1104 #ifdef NEW_LOGGING
1105                 LDAP_LOG( OPERATION, ERR,
1106                                 "syncrepl_message_to_entry: mods2entry (%s)\n", text, 0, 0 );
1107 #else
1108                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods2entry (%s)\n",
1109                                 text, 0, 0 );
1110 #endif
1111         }
1112
1113 done:
1114         ber_free ( ber, 0 );
1115         if ( rc != LDAP_SUCCESS ) {
1116                 if ( e ) {
1117                         entry_free( e );
1118                         *entry = e = NULL;
1119                 }
1120         }
1121
1122         return rc;
1123 }
1124
1125 int
1126 syncrepl_entry(
1127         syncinfo_t* si,
1128         Operation *op,
1129         Entry* entry,
1130         Modifications* modlist,
1131         int syncstate,
1132         struct berval* syncUUID,
1133         struct sync_cookie* syncCookie_req
1134 )
1135 {
1136         Backend *be = op->o_bd;
1137         slap_callback   cb = { NULL };
1138         struct berval   *syncuuid_bv = NULL;
1139         struct berval   syncUUID_strrep = BER_BVNULL;
1140         struct berval   uuid_bv = BER_BVNULL;
1141
1142         SlapReply       rs_search = {REP_RESULT};
1143         SlapReply       rs_delete = {REP_RESULT};
1144         SlapReply       rs_add = {REP_RESULT};
1145         SlapReply       rs_modify = {REP_RESULT};
1146         Filter f = {0};
1147         AttributeAssertion ava = {0};
1148         int rc = LDAP_SUCCESS;
1149         int ret = LDAP_SUCCESS;
1150         const char *text;
1151
1152         struct berval pdn = BER_BVNULL;
1153         struct berval org_req_dn = BER_BVNULL;
1154         struct berval org_req_ndn = BER_BVNULL;
1155         struct berval org_dn = BER_BVNULL;
1156         struct berval org_ndn = BER_BVNULL;
1157         int     org_managedsait;
1158
1159         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD ))
1160         {
1161                 syncuuid_bv = ber_dupbv( NULL, syncUUID );
1162                 avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1163                         syncuuid_cmp, avl_dup_error );
1164         }
1165
1166         if ( syncstate == LDAP_SYNC_PRESENT ) {
1167                 return 0;
1168         } else if ( syncstate != LDAP_SYNC_DELETE ) {
1169                 if ( entry == NULL ) {
1170                         return 0;
1171                 }
1172         }
1173
1174         f.f_choice = LDAP_FILTER_EQUALITY;
1175         f.f_ava = &ava;
1176         ava.aa_desc = slap_schema.si_ad_entryUUID;
1177         slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1178         ava.aa_value = *syncUUID;
1179         op->ors_filter = &f;
1180
1181         op->ors_filterstr.bv_len = (sizeof("entryUUID=")-1) + syncUUID->bv_len;
1182         op->ors_filterstr.bv_val = (char *) sl_malloc(
1183                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1184         AC_MEMCPY( op->ors_filterstr.bv_val, "entryUUID=", sizeof("entryUUID=")-1 );
1185         AC_MEMCPY( &op->ors_filterstr.bv_val[sizeof("entryUUID=")-1],
1186                 syncUUID->bv_val, syncUUID->bv_len );
1187         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1188
1189         op->o_tag = LDAP_REQ_SEARCH;
1190         op->ors_scope = LDAP_SCOPE_SUBTREE;
1191
1192         /* get syncrepl cookie of shadow replica from subentry */
1193         op->o_req_dn = si->si_base;
1194         op->o_req_ndn = si->si_base;
1195
1196         op->o_time = slap_get_time();
1197         op->ors_tlimit = SLAP_NO_LIMIT;
1198         op->ors_slimit = 1;
1199
1200         /* set callback function */
1201         op->o_callback = &cb;
1202         cb.sc_response = dn_callback;
1203         cb.sc_private = si;
1204
1205         si->si_syncUUID_ndn.bv_val = NULL;
1206
1207         if ( limits_check( op, &rs_search ) == 0 ) {
1208                 rc = be->be_search( op, &rs_search );
1209         }
1210
1211         if ( op->ors_filterstr.bv_val ) {
1212                 sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1213         }
1214
1215         cb.sc_response = null_callback;
1216         cb.sc_private = si;
1217
1218         if ( rs_search.sr_err == LDAP_SUCCESS && si->si_syncUUID_ndn.bv_val ) {
1219                 char *subseq_ptr;
1220
1221                 if ( syncstate != LDAP_SYNC_DELETE ) {
1222                         op->o_no_psearch = 1;
1223                 }
1224
1225                 ber_dupbv( &op->o_sync_csn, syncCookie_req->ctxcsn );
1226                 if ( op->o_sync_csn.bv_val ) {
1227                         subseq_ptr = strstr( op->o_sync_csn.bv_val, "#0000" );
1228                         subseq_ptr += 4;
1229                         *subseq_ptr = '1';
1230                 }
1231
1232                 op->o_req_dn = si->si_syncUUID_ndn;
1233                 op->o_req_ndn = si->si_syncUUID_ndn;
1234                 op->o_tag = LDAP_REQ_DELETE;
1235                 rc = be->be_delete( op, &rs_delete );
1236
1237                 org_req_dn = op->o_req_dn;
1238                 org_req_ndn = op->o_req_ndn;
1239                 org_dn = op->o_dn;
1240                 org_ndn = op->o_ndn;
1241                 org_managedsait = get_manageDSAit( op );
1242                 op->o_dn = op->o_bd->be_rootdn;
1243                 op->o_ndn = op->o_bd->be_rootndn;
1244                 op->o_managedsait = 1;
1245
1246                 while ( rs_delete.sr_err == LDAP_SUCCESS && op->o_delete_glue_parent ) {
1247                         op->o_delete_glue_parent = 0;
1248                         if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1249                                 slap_callback cb = { NULL };
1250                                 cb.sc_response = slap_null_cb;
1251                                 dnParent( &op->o_req_ndn, &pdn );
1252                                 op->o_req_dn = pdn;
1253                                 op->o_req_ndn = pdn;
1254                                 op->o_callback = &cb;
1255                                 op->o_bd->be_delete( op, &rs_delete );
1256                         } else {
1257                                 break;
1258                     }
1259                 }
1260
1261                 op->o_managedsait = org_managedsait;
1262                 op->o_dn = org_dn;
1263                 op->o_ndn = org_ndn;
1264                 op->o_req_dn = org_req_dn;
1265                 op->o_req_ndn = org_req_ndn;
1266                 op->o_delete_glue_parent = 0;
1267
1268                 op->o_no_psearch = 0;
1269         }
1270
1271         switch ( syncstate ) {
1272         case LDAP_SYNC_ADD:
1273         case LDAP_SYNC_MODIFY:
1274                 if ( rs_search.sr_err == LDAP_SUCCESS ||
1275                          rs_search.sr_err == LDAP_REFERRAL ||
1276                          rs_search.sr_err == LDAP_NO_SUCH_OBJECT ||
1277                          rs_search.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF )
1278                 {
1279                         attr_delete( &entry->e_attrs, slap_schema.si_ad_entryUUID );
1280                         attr_merge_one( entry, slap_schema.si_ad_entryUUID,
1281                                 &syncUUID_strrep, syncUUID );
1282
1283                         op->o_tag = LDAP_REQ_ADD;
1284                         op->ora_e = entry;
1285                         op->o_req_dn = entry->e_name;
1286                         op->o_req_ndn = entry->e_nname;
1287
1288                         rc = be->be_add( op, &rs_add );
1289
1290                         if ( rs_add.sr_err != LDAP_SUCCESS ) {
1291                                 if ( rs_add.sr_err == LDAP_ALREADY_EXISTS &&
1292                                          rs_search.sr_err != LDAP_NO_SUCH_OBJECT ) {
1293                                         Modifications *mod;
1294                                         Modifications *modtail = modlist;
1295
1296                                         assert( modlist );
1297
1298                                         for ( mod = modlist; mod != NULL; mod = mod->sml_next ) {
1299                                                 modtail = mod;
1300                                         }
1301
1302                                         mod = (Modifications *)ch_calloc(1, sizeof(Modifications));
1303                                         ber_dupbv( &uuid_bv, syncUUID );
1304                                         mod->sml_op = LDAP_MOD_REPLACE;
1305                                         mod->sml_desc = slap_schema.si_ad_entryUUID;
1306                                         mod->sml_type = mod->sml_desc->ad_cname;
1307                                         ber_bvarray_add( &mod->sml_values, &uuid_bv );
1308                                         modtail->sml_next = mod;
1309
1310                                         op->o_tag = LDAP_REQ_MODIFY;
1311                                         op->orm_modlist = modlist;
1312                                         op->o_req_dn = entry->e_name;
1313                                         op->o_req_ndn = entry->e_nname;
1314
1315                                         rc = be->be_modify( op, &rs_modify );
1316                                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
1317 #ifdef NEW_LOGGING
1318                                                 LDAP_LOG( OPERATION, ERR,
1319                                                         "syncrepl_entry : be_modify failed (%d)\n",
1320                                                         rs_modify.sr_err, 0, 0 );
1321 #else
1322                                                 Debug( LDAP_DEBUG_ANY,
1323                                                         "syncrepl_entry : be_modify failed (%d)\n",
1324                                                         rs_modify.sr_err, 0, 0 );
1325 #endif
1326                                         }
1327                                         ret = 1;
1328                                         goto done;
1329                                 } else if ( rs_modify.sr_err == LDAP_REFERRAL ||
1330                                                         rs_modify.sr_err == LDAP_NO_SUCH_OBJECT ) {
1331                                         syncrepl_add_glue( op, entry );
1332                                         ret = 0;
1333                                         goto done;
1334                                 } else {
1335 #ifdef NEW_LOGGING
1336                                         LDAP_LOG( OPERATION, ERR,
1337                                                 "syncrepl_entry : be_add failed (%d)\n",
1338                                                 rs_add.sr_err, 0, 0 );
1339 #else
1340                                         Debug( LDAP_DEBUG_ANY,
1341                                                 "syncrepl_entry : be_add failed (%d)\n",
1342                                                 rs_add.sr_err, 0, 0 );
1343 #endif
1344                                         ret = 1;
1345                                         goto done;
1346                                 }
1347                         } else {
1348                                 be_entry_release_w( op, entry );
1349                                 ret = 0;
1350                                 goto done;
1351                         }
1352                 } else {
1353 #ifdef NEW_LOGGING
1354                         LDAP_LOG( OPERATION, ERR,
1355                                 "syncrepl_entry : be_search failed (%d)\n",
1356                                 rs_search.sr_err, 0, 0 );
1357 #else
1358                         Debug( LDAP_DEBUG_ANY,
1359                                 "syncrepl_entry : be_search failed (%d)\n",
1360                                 rs_search.sr_err, 0, 0 );
1361 #endif
1362                         ret = 1;
1363                         goto done;
1364                 }
1365
1366         case LDAP_SYNC_DELETE :
1367                 /* Already deleted */
1368                 ret = 0;
1369                 goto done;
1370
1371         default :
1372 #ifdef NEW_LOGGING
1373                 LDAP_LOG( OPERATION, ERR,
1374                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1375 #else
1376                 Debug( LDAP_DEBUG_ANY,
1377                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1378 #endif
1379                 ret = 1;
1380                 goto done;
1381         }
1382
1383 done :
1384
1385         if ( syncUUID_strrep.bv_val ) {
1386                 ber_memfree_x( syncUUID_strrep.bv_val, op->o_tmpmemctx );
1387         }
1388         if ( si->si_syncUUID_ndn.bv_val ) {
1389                 ber_memfree_x( si->si_syncUUID_ndn.bv_val, op->o_tmpmemctx );
1390         }
1391         return ret;
1392 }
1393
1394 static struct berval gcbva[] = {
1395         BER_BVC("top"),
1396         BER_BVC("glue"),
1397         BER_BVNULL
1398 };
1399
1400 static void
1401 syncrepl_del_nonpresent(
1402         Operation *op,
1403         syncinfo_t *si
1404 )
1405 {
1406         Backend* be = op->o_bd;
1407         slap_callback   cb = { NULL };
1408         SlapReply       rs_search = {REP_RESULT};
1409         SlapReply       rs_delete = {REP_RESULT};
1410         SlapReply       rs_modify = {REP_RESULT};
1411         struct nonpresent_entry *np_list, *np_prev;
1412         int rc;
1413         Modifications *ml;
1414         Modifications *mlnext;
1415         Modifications *mod;
1416         Modifications *modlist = NULL;
1417         Modifications **modtail = &modlist;
1418         Attribute       *attr;
1419
1420         struct berval pdn = BER_BVNULL;
1421         struct berval org_req_dn = BER_BVNULL;
1422         struct berval org_req_ndn = BER_BVNULL;
1423         struct berval org_dn = BER_BVNULL;
1424         struct berval org_ndn = BER_BVNULL;
1425         int     org_managedsait;
1426
1427         op->o_req_dn = si->si_base;
1428         op->o_req_ndn = si->si_base;
1429
1430         cb.sc_response = nonpresent_callback;
1431         cb.sc_private = si;
1432
1433         op->o_callback = &cb;
1434         op->o_tag = LDAP_REQ_SEARCH;
1435         op->ors_scope = si->si_scope;
1436         op->ors_deref = LDAP_DEREF_NEVER;
1437         op->o_time = slap_get_time();
1438         op->ors_tlimit = SLAP_NO_LIMIT;
1439         op->ors_slimit = SLAP_NO_LIMIT;
1440         op->ors_attrsonly = 0;
1441         op->ors_attrs = NULL;
1442         op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
1443         op->ors_filterstr = si->si_filterstr;
1444
1445         op->o_nocaching = 1;
1446         op->o_managedsait = 0;
1447
1448         if ( limits_check( op, &rs_search ) == 0 ) {
1449                 rc = be->be_search( op, &rs_search );
1450         }
1451
1452         op->o_managedsait = 1;
1453         op->o_nocaching = 0;
1454
1455         if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
1456
1457         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
1458                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
1459                 while ( np_list != NULL ) {
1460                         LDAP_LIST_REMOVE( np_list, npe_link );
1461                         np_prev = np_list;
1462                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
1463                         op->o_tag = LDAP_REQ_DELETE;
1464                         op->o_callback = &cb;
1465                         cb.sc_response = null_callback;
1466                         cb.sc_private = si;
1467                         op->o_req_dn = *np_prev->npe_name;
1468                         op->o_req_ndn = *np_prev->npe_nname;
1469                         rc = op->o_bd->be_delete( op, &rs_delete );
1470
1471                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
1472                                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1473                                 mod->sml_op = LDAP_MOD_REPLACE;
1474                                 mod->sml_desc = slap_schema.si_ad_objectClass;
1475                                 mod->sml_type = mod->sml_desc->ad_cname;
1476                                 mod->sml_values = &gcbva[0];
1477                                 *modtail = mod;
1478                                 modtail = &mod->sml_next;
1479
1480                                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1481                                 mod->sml_op = LDAP_MOD_REPLACE;
1482                                 mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
1483                                 mod->sml_type = mod->sml_desc->ad_cname;
1484                                 mod->sml_values = &gcbva[1];
1485                                 *modtail = mod;
1486                                 modtail = &mod->sml_next;
1487
1488                                 op->o_tag = LDAP_REQ_MODIFY;
1489                                 op->orm_modlist = modlist;
1490
1491                                 rc = be->be_modify( op, &rs_modify );
1492
1493                                 for ( ml = modlist; ml != NULL; ml = mlnext ) {
1494                                         mlnext = ml->sml_next;
1495                                         free( ml );
1496                                 }
1497                         }
1498
1499                         org_req_dn = op->o_req_dn;
1500                         org_req_ndn = op->o_req_ndn;
1501                         org_dn = op->o_dn;
1502                         org_ndn = op->o_ndn;
1503                         org_managedsait = get_manageDSAit( op );
1504                         op->o_dn = op->o_bd->be_rootdn;
1505                         op->o_ndn = op->o_bd->be_rootndn;
1506                         op->o_managedsait = 1;
1507
1508                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
1509                                         op->o_delete_glue_parent ) {
1510                                 op->o_delete_glue_parent = 0;
1511                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1512                                         slap_callback cb = { NULL };
1513                                         cb.sc_response = slap_null_cb;
1514                                         dnParent( &op->o_req_ndn, &pdn );
1515                                         op->o_req_dn = pdn;
1516                                         op->o_req_ndn = pdn;
1517                                         op->o_callback = &cb;
1518                                         /* give it a root privil ? */
1519                                         op->o_bd->be_delete( op, &rs_delete );
1520                                 } else {
1521                                         break;
1522                             }
1523                         }
1524
1525                         op->o_managedsait = org_managedsait;
1526                         op->o_dn = org_dn;
1527                         op->o_ndn = org_ndn;
1528                         op->o_req_dn = org_req_dn;
1529                         op->o_req_ndn = org_req_ndn;
1530                         op->o_delete_glue_parent = 0;
1531
1532                         ber_bvfree( np_prev->npe_name );
1533                         ber_bvfree( np_prev->npe_nname );
1534                         op->o_req_dn.bv_val = NULL;
1535                         op->o_req_ndn.bv_val = NULL;
1536                         ch_free( np_prev );
1537                 }
1538         }
1539
1540         return;
1541 }
1542
1543
1544 void
1545 syncrepl_add_glue(
1546         Operation* op,
1547         Entry *e
1548 )
1549 {
1550         Backend *be = op->o_bd;
1551         slap_callback cb = { NULL };
1552         Attribute       *a;
1553         int     rc;
1554         int suffrdns;
1555         int i;
1556         struct berval dn = {0, NULL};
1557         struct berval ndn = {0, NULL};
1558         Entry   *glue;
1559         SlapReply       rs_add = {REP_RESULT};
1560         char    *ptr, *comma;
1561
1562         op->o_tag = LDAP_REQ_ADD;
1563         op->o_callback = &cb;
1564         cb.sc_response = null_callback;
1565         cb.sc_private = NULL;
1566
1567         dn = e->e_name;
1568         ndn = e->e_nname;
1569
1570         /* count RDNs in suffix */
1571         if ( be->be_nsuffix[0].bv_len ) {
1572                 for (i=0, ptr=be->be_nsuffix[0].bv_val; ptr; ptr=strchr( ptr, ',' )) {
1573                         ptr++;
1574                         i++;
1575                 }
1576                 suffrdns = i;
1577         } else {
1578                 /* suffix is "" */
1579                 suffrdns = 0;
1580         }
1581
1582         /* Start with BE suffix */
1583         for ( i = 0, ptr = NULL; i < suffrdns; i++ ) {
1584                 comma = strrchr(dn.bv_val, ',');
1585                 if ( ptr ) *ptr = ',';
1586                 if ( comma ) *comma = '\0';
1587                 ptr = comma;
1588         }
1589         if ( ptr ) {
1590                 *ptr++ = ',';
1591                 dn.bv_len -= ptr - dn.bv_val;
1592                 dn.bv_val = ptr;
1593         }
1594         /* the normalizedDNs are always the same length, no counting
1595          * required.
1596          */
1597         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
1598                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
1599                 ndn.bv_len = be->be_nsuffix[0].bv_len;
1600         }
1601
1602         while ( ndn.bv_val > e->e_nname.bv_val ) {
1603                 glue = (Entry *) ch_calloc( 1, sizeof(Entry) );
1604                 ber_dupbv( &glue->e_name, &dn );
1605                 ber_dupbv( &glue->e_nname, &ndn );
1606
1607                 a = ch_calloc( 1, sizeof( Attribute ));
1608                 a->a_desc = slap_schema.si_ad_objectClass;
1609
1610                 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
1611                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
1612                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
1613                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
1614
1615                 a->a_nvals = a->a_vals;
1616
1617                 a->a_next = glue->e_attrs;
1618                 glue->e_attrs = a;
1619
1620                 a = ch_calloc( 1, sizeof( Attribute ));
1621                 a->a_desc = slap_schema.si_ad_structuralObjectClass;
1622
1623                 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
1624                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
1625                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
1626
1627                 a->a_nvals = a->a_vals;
1628
1629                 a->a_next = glue->e_attrs;
1630                 glue->e_attrs = a;
1631
1632                 op->o_req_dn = glue->e_name;
1633                 op->o_req_ndn = glue->e_nname;
1634                 op->ora_e = glue;
1635                 rc = be->be_add ( op, &rs_add );
1636                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
1637                         be_entry_release_w( op, glue );
1638                 } else {
1639                 /* incl. ALREADY EXIST */
1640                         entry_free( glue );
1641                 }
1642
1643                 /* Move to next child */
1644                 for (ptr = dn.bv_val-2; ptr > e->e_name.bv_val && *ptr != ','; ptr--) {
1645                         /* empty */
1646                 }
1647                 if ( ptr == e->e_name.bv_val ) break;
1648                 dn.bv_val = ++ptr;
1649                 dn.bv_len = e->e_name.bv_len - (ptr-e->e_name.bv_val);
1650                 for( ptr = ndn.bv_val-2;
1651                         ptr > e->e_nname.bv_val && *ptr != ',';
1652                         ptr--)
1653                 {
1654                         /* empty */
1655                 }
1656                 ndn.bv_val = ++ptr;
1657                 ndn.bv_len = e->e_nname.bv_len - (ptr-e->e_nname.bv_val);
1658         }
1659
1660         op->o_req_dn = e->e_name;
1661         op->o_req_ndn = e->e_nname;
1662         op->ora_e = e;
1663         rc = be->be_add ( op, &rs_add );
1664         if ( rs_add.sr_err == LDAP_SUCCESS ) {
1665                 be_entry_release_w( op, e );
1666         } else {
1667                 entry_free( e );
1668         }
1669
1670         return;
1671 }
1672
1673 static struct berval ocbva[] = {
1674         BER_BVC("top"),
1675         BER_BVC("subentry"),
1676         BER_BVC("syncConsumerSubentry"),
1677         BER_BVNULL
1678 };
1679
1680 static struct berval cnbva[] = {
1681         BER_BVNULL,
1682         BER_BVNULL
1683 };
1684
1685 static struct berval ssbva[] = {
1686         BER_BVC("{}"),
1687         BER_BVNULL
1688 };
1689
1690 static struct berval scbva[] = {
1691         BER_BVNULL,
1692         BER_BVNULL
1693 };
1694
1695 void
1696 syncrepl_updateCookie(
1697         syncinfo_t *si,
1698         Operation *op,
1699         struct berval *pdn,
1700         struct sync_cookie *syncCookie
1701 )
1702 {
1703         Backend *be = op->o_bd;
1704         Modifications *ml;
1705         Modifications *mlnext;
1706         Modifications *mod;
1707         Modifications *modlist = NULL;
1708         Modifications **modtail = &modlist;
1709
1710         const char      *text;
1711         char txtbuf[SLAP_TEXT_BUFLEN];
1712         size_t textlen = sizeof txtbuf;
1713
1714         Entry* e = NULL;
1715         int rc;
1716
1717         char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
1718         struct berval slap_syncrepl_dn_bv = BER_BVNULL;
1719         struct berval slap_syncrepl_cn_bv = BER_BVNULL;
1720
1721         slap_callback cb = { NULL };
1722         SlapReply       rs_add = {REP_RESULT};
1723         SlapReply       rs_modify = {REP_RESULT};
1724
1725         slap_sync_cookie_free( &si->si_syncCookie, 0 );
1726         slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
1727
1728         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1729         mod->sml_op = LDAP_MOD_REPLACE;
1730         mod->sml_desc = slap_schema.si_ad_objectClass;
1731         mod->sml_type = mod->sml_desc->ad_cname;
1732         mod->sml_values = ocbva;
1733         *modtail = mod;
1734         modtail = &mod->sml_next;
1735
1736         ber_dupbv( &cnbva[0], (struct berval *) &slap_syncrepl_bvc );
1737         assert( si->si_rid < 1000 );
1738         cnbva[0].bv_len = snprintf( cnbva[0].bv_val,
1739                 slap_syncrepl_bvc.bv_len + 1,
1740                 "syncrepl%ld", si->si_rid );
1741         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1742         mod->sml_op = LDAP_MOD_REPLACE;
1743         mod->sml_desc = slap_schema.si_ad_cn;
1744         mod->sml_type = mod->sml_desc->ad_cname;
1745         mod->sml_values = cnbva;
1746         *modtail = mod;
1747         modtail = &mod->sml_next;
1748
1749         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1750         mod->sml_op = LDAP_MOD_REPLACE;
1751         mod->sml_desc = slap_schema.si_ad_subtreeSpecification;
1752         mod->sml_type = mod->sml_desc->ad_cname;
1753         mod->sml_values = ssbva;
1754         *modtail = mod;
1755         modtail = &mod->sml_next;
1756
1757         /* Keep this last, so we can avoid touching the previous
1758          * attributes unnecessarily.
1759          */
1760         if ( scbva[0].bv_val ) ch_free( scbva[0].bv_val );
1761         ber_dupbv( &scbva[0], &si->si_syncCookie.octet_str[0] );
1762         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1763         mod->sml_op = LDAP_MOD_REPLACE;
1764         mod->sml_desc = slap_schema.si_ad_syncreplCookie;
1765         mod->sml_type = mod->sml_desc->ad_cname;
1766         mod->sml_values = scbva;
1767         *modtail = mod;
1768         modtail = &mod->sml_next;
1769
1770         mlnext = mod;
1771
1772         op->o_tag = LDAP_REQ_ADD;
1773         rc = slap_mods_opattrs( op, modlist, modtail,
1774                                                          &text,txtbuf, textlen );
1775
1776         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
1777                 ml->sml_op = LDAP_MOD_REPLACE;
1778         }
1779
1780         if( rc != LDAP_SUCCESS ) {
1781 #ifdef NEW_LOGGING
1782                 LDAP_LOG( OPERATION, ERR,
1783                         "syncrepl_updateCookie: mods opattrs (%s)\n", text, 0, 0 );
1784 #else
1785                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods opattrs (%s)\n",
1786                          text, 0, 0 );
1787 #endif
1788         }
1789
1790         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1791
1792         slap_syncrepl_cn_bv.bv_val = syncrepl_cbuf;
1793         assert( si->si_rid < 1000 );
1794         slap_syncrepl_cn_bv.bv_len = snprintf( slap_syncrepl_cn_bv.bv_val,
1795                 slap_syncrepl_cn_bvc.bv_len + 1,
1796                 "cn=syncrepl%ld", si->si_rid );
1797
1798         build_new_dn( &slap_syncrepl_dn_bv, pdn, &slap_syncrepl_cn_bv,
1799                 op->o_tmpmemctx );
1800         ber_dupbv( &e->e_name, &slap_syncrepl_dn_bv );
1801         ber_dupbv( &e->e_nname, &slap_syncrepl_dn_bv );
1802
1803         if ( slap_syncrepl_dn_bv.bv_val ) {
1804                 sl_free( slap_syncrepl_dn_bv.bv_val, op->o_tmpmemctx );
1805         }
1806
1807         e->e_attrs = NULL;
1808
1809         rc = slap_mods2entry( modlist, &e, 1, 1, &text, txtbuf, textlen );
1810
1811         if( rc != LDAP_SUCCESS ) {
1812 #ifdef NEW_LOGGING
1813                 LDAP_LOG( OPERATION, ERR,
1814                         "syncrepl_updateCookie: mods2entry (%s)\n", text, 0, 0 );
1815 #else
1816                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods2entry (%s)\n",
1817                          text, 0, 0 );
1818 #endif
1819         }
1820
1821         cb.sc_response = null_callback;
1822         cb.sc_private = si;
1823
1824         op->o_callback = &cb;
1825         op->o_req_dn = e->e_name;
1826         op->o_req_ndn = e->e_nname;
1827
1828         /* update persistent cookie */
1829 update_cookie_retry:
1830         op->o_tag = LDAP_REQ_MODIFY;
1831         /* Just modify the cookie value, not the entire entry */
1832         op->orm_modlist = mod;
1833         rc = be->be_modify( op, &rs_modify );
1834
1835         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
1836                 if ( rs_modify.sr_err == LDAP_REFERRAL ||
1837                          rs_modify.sr_err == LDAP_NO_SUCH_OBJECT ) {
1838                         op->o_tag = LDAP_REQ_ADD;
1839                         op->ora_e = e;
1840                         rc = be->be_add( op, &rs_add );
1841                         if ( rs_add.sr_err != LDAP_SUCCESS ) {
1842                                 if ( rs_add.sr_err == LDAP_ALREADY_EXISTS ) {
1843                                         goto update_cookie_retry;
1844                                 } else if ( rs_add.sr_err == LDAP_REFERRAL ||
1845                                                         rs_add.sr_err == LDAP_NO_SUCH_OBJECT ) {
1846 #ifdef NEW_LOGGING
1847                                         LDAP_LOG( OPERATION, ERR,
1848                                                 "cookie will be non-persistent\n",
1849                                                 0, 0, 0 );
1850 #else
1851                                         Debug( LDAP_DEBUG_ANY,
1852                                                 "cookie will be non-persistent\n",
1853                                                 0, 0, 0 );
1854 #endif
1855                                 } else {
1856 #ifdef NEW_LOGGING
1857                                         LDAP_LOG( OPERATION, ERR,
1858                                                 "be_add failed (%d)\n", rs_add.sr_err, 0, 0 );
1859 #else
1860                                         Debug( LDAP_DEBUG_ANY,
1861                                                 "be_add failed (%d)\n", rs_add.sr_err, 0, 0 );
1862 #endif
1863                                 }
1864                         } else {
1865                                 be_entry_release_w( op, e );
1866                                 goto done;
1867                         }
1868                 } else {
1869 #ifdef NEW_LOGGING
1870                         LDAP_LOG( OPERATION, ERR,
1871                                 "be_modify failed (%d)\n", rs_modify.sr_err, 0, 0 );
1872 #else
1873                         Debug( LDAP_DEBUG_ANY,
1874                                 "be_modify failed (%d)\n", rs_modify.sr_err, 0, 0 );
1875 #endif
1876                 }
1877         }
1878
1879         if ( e != NULL ) {
1880                 entry_free( e );
1881         }
1882
1883 done :
1884
1885         if ( cnbva[0].bv_val ) {
1886                 ch_free( cnbva[0].bv_val );
1887                 cnbva[0].bv_val = NULL;
1888         }
1889         if ( scbva[0].bv_val ) {
1890                 ch_free( scbva[0].bv_val );
1891                 scbva[0].bv_val = NULL;
1892         }
1893
1894         if ( mlnext->sml_next ) {
1895                 slap_mods_free( mlnext->sml_next );
1896                 mlnext->sml_next = NULL;
1897         }
1898
1899         for (ml = modlist ; ml != NULL; ml = mlnext ) {
1900                 mlnext = ml->sml_next;
1901                 free( ml );
1902         }
1903
1904         return;
1905 }
1906
1907 int
1908 syncrepl_isupdate( Operation *op )
1909 {
1910         return ( syncrepl_isupdate_dn( op->o_bd, &op->o_ndn ));
1911 }
1912
1913 int
1914 syncrepl_isupdate_dn(
1915         Backend*                be,
1916         struct berval*  ndn
1917 )
1918 {
1919         syncinfo_t*     si;
1920         int                     ret = 0;
1921
1922         if ( !LDAP_STAILQ_EMPTY( &be->be_syncinfo )) {
1923                 LDAP_STAILQ_FOREACH( si, &be->be_syncinfo, si_next ) {
1924                         if ( ( ret = dn_match( &si->si_updatedn, ndn ) ) ) {
1925                                 return ret;
1926                         }
1927                 }
1928         }
1929         return 0;
1930 }
1931
1932 static int
1933 dn_callback(
1934         Operation*      op,
1935         SlapReply*      rs
1936 )
1937 {
1938         syncinfo_t *si = op->o_callback->sc_private;
1939
1940         if ( rs->sr_type == REP_SEARCH ) {
1941                 if ( si->si_syncUUID_ndn.bv_val != NULL ) {
1942 #ifdef NEW_LOGGING
1943                         LDAP_LOG( OPERATION, ERR,
1944                                 "dn_callback : consistency error - entryUUID is not unique\n", 0, 0, 0 );
1945 #else
1946                         Debug( LDAP_DEBUG_ANY,
1947                                 "dn_callback : consistency error - entryUUID is not unique\n", 0, 0, 0 );
1948 #endif
1949                 } else {
1950                         ber_dupbv_x( &si->si_syncUUID_ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
1951                 }
1952         } else if ( rs->sr_type == REP_RESULT ) {
1953                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
1954 #ifdef NEW_LOGGING
1955                         LDAP_LOG( OPERATION, ERR,
1956                                 "dn_callback : consistency error - entryUUID is not unique\n", 0, 0, 0 );
1957 #else
1958                         Debug( LDAP_DEBUG_ANY,
1959                                 "dn_callback : consistency error - entryUUID is not unique\n", 0, 0, 0 );
1960 #endif
1961                 }
1962         }
1963
1964         return LDAP_SUCCESS;
1965 }
1966
1967 static int
1968 nonpresent_callback(
1969         Operation*      op,
1970         SlapReply*      rs
1971 )
1972 {
1973         syncinfo_t *si = op->o_callback->sc_private;
1974         Attribute *a;
1975         int count = 0;
1976         struct berval* present_uuid = NULL;
1977         struct nonpresent_entry *np_entry;
1978
1979         if ( rs->sr_type == REP_RESULT ) {
1980                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
1981                 si->si_presentlist = NULL;
1982
1983         } else if ( rs->sr_type == REP_SEARCH ) {
1984                 a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
1985
1986                 if ( a == NULL ) return 0;
1987
1988                 present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
1989                         syncuuid_cmp );
1990
1991                 if ( present_uuid == NULL ) {
1992                         np_entry = (struct nonpresent_entry *)
1993                                 ch_calloc( 1, sizeof( struct nonpresent_entry ));
1994                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
1995                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
1996                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
1997
1998                 } else {
1999                         avl_delete( &si->si_presentlist,
2000                                         &a->a_nvals[0], syncuuid_cmp );
2001                         ch_free( present_uuid->bv_val );
2002                         ch_free( present_uuid );
2003                 }
2004         }
2005         return LDAP_SUCCESS;
2006 }
2007
2008 static int
2009 null_callback(
2010         Operation*      op,
2011         SlapReply*      rs )
2012 {
2013         if ( rs->sr_err != LDAP_SUCCESS &&
2014                 rs->sr_err != LDAP_REFERRAL &&
2015                 rs->sr_err != LDAP_ALREADY_EXISTS &&
2016                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
2017                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
2018         {
2019 #ifdef NEW_LOGGING
2020                 LDAP_LOG( OPERATION, ERR,
2021                         "null_callback : error code 0x%x\n",
2022                         rs->sr_err, 0, 0 );
2023 #else
2024                 Debug( LDAP_DEBUG_ANY,
2025                         "null_callback : error code 0x%x\n",
2026                         rs->sr_err, 0, 0 );
2027 #endif
2028         }
2029         return LDAP_SUCCESS;
2030 }
2031
2032 Entry *
2033 slap_create_syncrepl_entry(
2034         Backend *be,
2035         struct berval *context_csn,
2036         struct berval *rdn,
2037         struct berval *cn )
2038 {
2039         Entry* e;
2040
2041         struct berval bv;
2042
2043         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
2044
2045         attr_merge( e, slap_schema.si_ad_objectClass, ocbva, NULL );
2046
2047         attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
2048                 &ocbva[1], NULL );
2049
2050         attr_merge_one( e, slap_schema.si_ad_cn, cn, NULL );
2051
2052         if ( context_csn ) {
2053                 attr_merge_one( e, slap_schema.si_ad_syncreplCookie,
2054                         context_csn, NULL );
2055         }
2056
2057         bv.bv_val = "{}";
2058         bv.bv_len = sizeof("{}")-1;
2059         attr_merge_one( e, slap_schema.si_ad_subtreeSpecification, &bv, NULL );
2060
2061         build_new_dn( &e->e_name, &be->be_nsuffix[0], rdn, NULL );
2062         ber_dupbv( &e->e_nname, &e->e_name );
2063
2064         return e;
2065 }
2066
2067 struct berval *
2068 slap_uuidstr_from_normalized(
2069         struct berval* uuidstr,
2070         struct berval* normalized,
2071         void *ctx )
2072 {
2073         struct berval *new;
2074         unsigned char nibble;
2075         int i, d = 0;
2076
2077         if ( normalized == NULL )
2078                 return NULL;
2079
2080         if ( normalized->bv_len != 16 ) {
2081                 return NULL;
2082         }
2083
2084         if ( uuidstr ) {
2085                 new = uuidstr;
2086         } else {
2087                 new = (struct berval *)sl_malloc( sizeof(struct berval), ctx );
2088         }
2089
2090         new->bv_len = 36;
2091
2092         if (( new->bv_val = sl_malloc( new->bv_len + 1, ctx )) == NULL) {
2093                 if ( !uuidstr )
2094                         sl_free( new, ctx );
2095                 return NULL;
2096         }
2097
2098         for ( i = 0; i < 16; i++ ) {
2099                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
2100                         new->bv_val[(i<<1)+d] = '-';
2101                         d += 1;
2102                 }
2103
2104                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
2105                 if ( nibble < 10 ) {
2106                         new->bv_val[(i<<1)+d] = nibble + '0';
2107                 } else {
2108                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
2109                 }
2110
2111                 nibble = (normalized->bv_val[i]) & 0xF;
2112                 if ( nibble < 10 ) {
2113                         new->bv_val[(i<<1)+d+1] = nibble + '0';
2114                 } else {
2115                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
2116                 }
2117         }
2118
2119         new->bv_val[new->bv_len] = '\0';
2120
2121         return new;
2122 }
2123
2124 static int
2125 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
2126 {
2127         const struct berval *uuid1 = v_uuid1;
2128         const struct berval *uuid2 = v_uuid2;
2129         int rc = uuid1->bv_len - uuid2->bv_len;
2130         if ( rc ) return rc;
2131         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
2132 }
2133
2134 static void
2135 avl_ber_bvfree( void *bv )
2136 {
2137         if( bv == NULL ) {
2138                 return;
2139         }
2140         if ( ((struct berval *)bv)->bv_val != NULL ) {
2141                 ch_free ( ((struct berval *)bv)->bv_val );
2142         }
2143         ch_free ( (char *) bv );
2144 }