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 "lutil.h"
  27 #include "slap.h"
  28 #include "lutil_ldap.h"
  29
  30 #include "ldap_rq.h"
  31
  32 /* FIXME: for ldap_ld_free() */
  33 #undef ldap_debug
  34 #include "../../libraries/libldap/ldap-int.h"
  35
  36 #define SYNCREPL_STR    "syncreplxxx"
  37 #define CN_STR  "cn="
  38
  39 static const struct berval slap_syncrepl_bvc = BER_BVC(SYNCREPL_STR);
  40 static const struct berval slap_syncrepl_cn_bvc = BER_BVC(CN_STR SYNCREPL_STR);
  41
  42 static int syncuuid_cmp( const void *, const void * );
  43 static void avl_ber_bvfree( void * );
  44 static void syncrepl_del_nonpresent( Operation *, syncinfo_t *, BerVarray );
  45
  46 /* callback functions */
  47 static int dn_callback( struct slap_op *, struct slap_rep * );
  48 static int nonpresent_callback( struct slap_op *, struct slap_rep * );
  49 static int null_callback( struct slap_op *, struct slap_rep * );
  50
  51 static AttributeDescription *sync_descs[4];
  52
  53 void
  54 init_syncrepl(syncinfo_t *si)
  55 {
  56         int i, j, k, l, n;
  57         char **attrs, **exattrs;
  58
  59         if ( !sync_descs[0] ) {
  60                 sync_descs[0] = slap_schema.si_ad_objectClass;
  61                 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
  62                 sync_descs[2] = slap_schema.si_ad_entryCSN;
  63                 sync_descs[3] = NULL;
  64         }
  65
  66         if ( si->si_allattrs && si->si_allopattrs )
  67                 attrs = NULL;
  68         else
  69                 attrs = anlist2attrs( si->si_anlist );
  70
  71         if ( attrs ) {
  72                 if ( si->si_allattrs ) {
  73                         i = 0;
  74                         while ( attrs[i] ) {
  75                                 if ( !is_at_operational( at_find( attrs[i] ))) {
  76                                         for ( j = i; attrs[j] != NULL; j++ ) {
  77                                                 if ( j == i )
  78                                                         ch_free( attrs[i] );
  79                                                 attrs[j] = attrs[j+1];
  80                                         }
  81                                 } else {
  82                                         i++;
  83                                 }
  84                         }
  85                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
  86                         attrs[i] = ch_strdup("*");
  87                         attrs[i + 1] = NULL;
  88
  89                 } else if ( si->si_allopattrs ) {
  90                         i = 0;
  91                         while ( attrs[i] ) {
  92                                 if ( is_at_operational( at_find( attrs[i] ))) {
  93                                         for ( j = i; attrs[j] != NULL; j++ ) {
  94                                                 if ( j == i )
  95                                                         ch_free( attrs[i] );
  96                                                 attrs[j] = attrs[j+1];
  97                                         }
  98                                 } else {
  99                                         i++;
 100                                 }
 101                         }
 102                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 103                         attrs[i] = ch_strdup("+");
 104                         attrs[i + 1] = NULL;
 105                 }
 106
 107                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 108                         j = 0;
 109                         while ( attrs[j] ) {
 110                                 if ( !strcmp( attrs[j], sync_descs[i]->ad_cname.bv_val )) {
 111                                         for ( k = j; attrs[k] != NULL; k++ ) {
 112                                                 if ( k == j )
 113                                                         ch_free( attrs[k] );
 114                                                 attrs[k] = attrs[k+1];
 115                                         }
 116                                 } else {
 117                                         j++;
 118                                 }
 119                         }
 120                 }
 121
 122                 for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */;
 123
 124                 if ( si->si_allopattrs ) {
 125                         attrs = ( char ** ) ch_realloc( attrs, (n + 2)*sizeof( char * ));
 126                 } else {
 127                         attrs = ( char ** ) ch_realloc( attrs, (n + 4)*sizeof( char * ));
 128                 }
 129
 130                 if ( attrs == NULL ) {
 131                         Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
 132                 }
 133
 134                 /* Add Attributes */
 135                 if ( si->si_allopattrs ) {
 136                         attrs[n++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 137                 } else {
 138                         for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
 139                                 attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
 140                         }
 141                 }
 142                 attrs[ n ] = NULL;
 143
 144         } else {
 145
 146                 i = 0;
 147                 if ( si->si_allattrs == si->si_allopattrs ) {
 148                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 149                         attrs[i++] = ch_strdup( "*" );
 150                         attrs[i++] = ch_strdup( "+" );
 151                 } else if ( si->si_allattrs && !si->si_allopattrs ) {
 152                         for ( n = 0; sync_descs[ n ] != NULL; n++ ) ;
 153                         attrs = (char**) ch_malloc( (n+1)* sizeof(char*) );
 154                         attrs[i++] = ch_strdup( "*" );
 155                         for ( j = 1; sync_descs[ j ] != NULL; j++ ) {
 156                                 attrs[i++] = ch_strdup ( sync_descs[j]->ad_cname.bv_val );
 157                         }
 158                 } else if ( !si->si_allattrs && si->si_allopattrs ) {
 159                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 160                         attrs[i++] = ch_strdup( "+" );
 161                         attrs[i++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 162                 }
 163                 attrs[i] = NULL;
 164         }
 165
 166         si->si_attrs = attrs;
 167
 168         exattrs = anlist2attrs( si->si_exanlist );
 169
 170         if ( exattrs ) {
 171                 for ( n = 0; exattrs[n] != NULL; n++ ) ;
 172
 173                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 174                         j = 0;
 175                         while ( exattrs[j] != NULL ) {
 176                                 if ( !strcmp( exattrs[j], sync_descs[i]->ad_cname.bv_val )) {
 177                                         for ( k = j; exattrs[k] != NULL; k++ ) {
 178                                                 if ( k == j )
 179                                                         ch_free( exattrs[k] );
 180                                                 exattrs[k] = exattrs[k+1];
 181                                         }
 182                                 } else {
 183                                         j++;
 184                                 }
 185                         }
 186                 }
 187
 188                 for ( i = 0; exattrs[i] != NULL; i++ ) {
 189                         for ( j = 0; si->si_anlist[j].an_name.bv_val; j++ ) {
 190                                 ObjectClass     *oc;
 191                                 if ( ( oc = si->si_anlist[j].an_oc ) ) {
 192                                         k = 0;
 193                                         while ( oc->soc_required[k] ) {
 194                                                 if ( !strcmp( exattrs[i],
 195                                                          oc->soc_required[k]->sat_cname.bv_val )) {
 196                                                         for ( l = i; exattrs[l]; l++ ) {
 197                                                                 if ( l == i )
 198                                                                         ch_free( exattrs[i] );
 199                                                                 exattrs[l] = exattrs[l+1];
 200                                                         }
 201                                                 } else {
 202                                                         k++;
 203                                                 }
 204                                         }
 205                                 }
 206                         }
 207                 }
 208
 209                 for ( i = 0; exattrs[i] != NULL; i++ ) ;
 210
 211                 if ( i != n )
 212                         exattrs = (char **) ch_realloc( exattrs, (i + 1)*sizeof(char *));
 213         }
 214
 215         si->si_exattrs = exattrs;
 216 }
 217
 218 static int
 219 ldap_sync_search(
 220         syncinfo_t *si,
 221         void *ctx )
 222 {
 223         BerElementBuffer berbuf;
 224         BerElement *ber = (BerElement *)&berbuf;
 225         LDAPControl c[2], *ctrls[3];
 226         struct timeval timeout;
 227         ber_int_t       msgid;
 228         int rc;
 229
 230         /* setup LDAP SYNC control */
 231         ber_init2( ber, NULL, LBER_USE_DER );
 232         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 233
 234         if ( si->si_syncCookie.octet_str &&
 235                 !BER_BVISNULL( &si->si_syncCookie.octet_str[0] ) )
 236         {
 237                 ber_printf( ber, "{eO}",
 238                         abs(si->si_type),
 239                         &si->si_syncCookie.octet_str[0] );
 240         } else {
 241                 ber_printf( ber, "{e}",
 242                         abs(si->si_type) );
 243         }
 244
 245         if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 )) == LBER_ERROR ) {
 246                 ber_free_buf( ber );
 247                 return rc;
 248         }
 249
 250         c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 251         c[0].ldctl_iscritical = si->si_type < 0;
 252         ctrls[0] = &c[0];
 253
 254         if ( si->si_authzId ) {
 255                 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 256                 ber_str2bv( si->si_authzId, 0, 0, &c[1].ldctl_value );
 257                 c[1].ldctl_iscritical = 1;
 258                 ctrls[1] = &c[1];
 259                 ctrls[2] = NULL;
 260         } else {
 261                 ctrls[1] = NULL;
 262         }
 263
 264         timeout.tv_sec = si->si_tlimit;
 265         timeout.tv_usec = 0;
 266
 267         rc = ldap_search_ext( si->si_ld, si->si_base.bv_val, si->si_scope,
 268                 si->si_filterstr.bv_val, si->si_attrs, si->si_attrsonly,
 269                 ctrls, NULL, si->si_tlimit > 0 ? &timeout : NULL,
 270                 si->si_slimit, &msgid );
 271         ber_free_buf( ber );
 272         return rc;
 273 }
 274
 275 static int
 276 do_syncrep1(
 277         Operation *op,
 278         syncinfo_t *si )
 279 {
 280         int     rc;
 281         int cmdline_cookie_found = 0;
 282
 283         char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
 284         struct berval syncrepl_cn_bv;
 285         struct sync_cookie      *sc = NULL;
 286         struct berval   *psub;
 287 #ifdef HAVE_TLS
 288         void    *ssl;
 289 #endif
 290
 291         psub = &si->si_be->be_nsuffix[0];
 292
 293         /* Init connection to master */
 294         rc = ldap_initialize( &si->si_ld, si->si_provideruri );
 295         if ( rc != LDAP_SUCCESS ) {
 296                 Debug( LDAP_DEBUG_ANY,
 297                         "do_syncrep1: ldap_initialize failed (%s)\n",
 298                         si->si_provideruri, 0, 0 );
 299                 return rc;
 300         }
 301
 302         op->o_protocol = LDAP_VERSION3;
 303         ldap_set_option( si->si_ld, LDAP_OPT_PROTOCOL_VERSION, &op->o_protocol );
 304
 305         /* Bind to master */
 306
 307         if ( si->si_tls ) {
 308                 rc = ldap_start_tls_s( si->si_ld, NULL, NULL );
 309                 if( rc != LDAP_SUCCESS ) {
 310                         Debug( LDAP_DEBUG_ANY,
 311                                 "%s: ldap_start_tls failed (%d)\n",
 312                                 si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
 313                                 rc, 0 );
 314                         if( si->si_tls == SYNCINFO_TLS_CRITICAL ) goto done;
 315                 }
 316         }
 317
 318         if ( si->si_bindmethod == LDAP_AUTH_SASL ) {
 319 #ifdef HAVE_CYRUS_SASL
 320                 void *defaults;
 321
 322                 if ( si->si_secprops != NULL ) {
 323                         rc = ldap_set_option( si->si_ld,
 324                                 LDAP_OPT_X_SASL_SECPROPS, si->si_secprops);
 325
 326                         if( rc != LDAP_OPT_SUCCESS ) {
 327                                 Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
 328                                         "(%s,SECPROPS,\"%s\") failed!\n",
 329                                         si->si_provideruri, si->si_secprops, 0 );
 330                                 goto done;
 331                         }
 332                 }
 333
 334                 defaults = lutil_sasl_defaults( si->si_ld, si->si_saslmech,
 335                         si->si_realm, si->si_authcId, si->si_passwd, si->si_authzId );
 336
 337                 rc = ldap_sasl_interactive_bind_s( si->si_ld,
 338                                 si->si_binddn,
 339                                 si->si_saslmech,
 340                                 NULL, NULL,
 341                                 LDAP_SASL_QUIET,
 342                                 lutil_sasl_interact,
 343                                 defaults );
 344
 345                 lutil_sasl_freedefs( defaults );
 346
 347                 /* FIXME: different error behaviors according to
 348                  *      1) return code
 349                  *      2) on err policy : exit, retry, backoff ...
 350                  */
 351                 if ( rc != LDAP_SUCCESS ) {
 352                         Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 353                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 354                                 rc, 0, 0 );
 355
 356                         /* FIXME (see above comment) */
 357                         /* if Kerberos credentials cache is not active, retry */
 358                         if ( strcmp( si->si_saslmech, "GSSAPI" ) == 0 &&
 359                                 rc == LDAP_LOCAL_ERROR )
 360                         {
 361                                 rc = LDAP_SERVER_DOWN;
 362                         }
 363
 364                         goto done;
 365                 }
 366 #else /* HAVE_CYRUS_SASL */
 367                 /* Should never get here, we trapped this at config time */
 368                 assert(0);
 369                 fprintf( stderr, "not compiled with SASL support\n" );
 370                 rc = LDAP_OTHER;
 371                 goto done;
 372 #endif
 373
 374         } else {
 375                 rc = ldap_bind_s( si->si_ld,
 376                         si->si_binddn, si->si_passwd, si->si_bindmethod );
 377                 if ( rc != LDAP_SUCCESS ) {
 378                         Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 379                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 380                         goto done;
 381                 }
 382         }
 383
 384         /* Set SSF to strongest of TLS, SASL SSFs */
 385         op->o_sasl_ssf = 0;
 386         op->o_tls_ssf = 0;
 387         op->o_transport_ssf = 0;
 388 #ifdef HAVE_TLS
 389         if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
 390                 == LDAP_SUCCESS && ssl != NULL )
 391         {
 392                 op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
 393         }
 394 #endif /* HAVE_TLS */
 395         ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &op->o_sasl_ssf );
 396         op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
 397                 ?  op->o_sasl_ssf : op->o_tls_ssf;
 398
 399         /* get syncrepl cookie of shadow replica from subentry */
 400         assert( si->si_rid < 1000 );
 401         syncrepl_cn_bv.bv_val = syncrepl_cbuf;
 402         syncrepl_cn_bv.bv_len = snprintf( syncrepl_cbuf, sizeof(syncrepl_cbuf),
 403                 CN_STR "syncrepl%ld", si->si_rid );
 404         build_new_dn( &op->o_req_ndn, psub, &syncrepl_cn_bv, op->o_tmpmemctx );
 405         op->o_req_dn = op->o_req_ndn;
 406
 407         LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
 408                 if ( si->si_rid == sc->rid ) {
 409                         cmdline_cookie_found = 1;
 410                         break;
 411                 }
 412         }
 413
 414         if ( cmdline_cookie_found ) {
 415                 /* cookie is supplied in the command line */
 416                 BerVarray cookie = NULL;
 417                 struct berval cookie_bv;
 418
 419                 LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
 420                 slap_sync_cookie_free( &si->si_syncCookie, 0 );
 421
 422                 /* read stored cookie if it exists */
 423                 backend_attribute( op, NULL, &op->o_req_ndn,
 424                         slap_schema.si_ad_syncreplCookie, &cookie, ACL_READ );
 425
 426                 if ( !cookie ) {
 427                         /* no stored cookie */
 428                         if ( sc->ctxcsn == NULL ||
 429                                  BER_BVISNULL( sc->ctxcsn ) ) {
 430                                 /* if cmdline cookie does not have ctxcsn */
 431                                 /* component, set it to an initial value */
 432                                 slap_init_sync_cookie_ctxcsn( sc );
 433                         }
 434                         slap_dup_sync_cookie( &si->si_syncCookie, sc );
 435                         slap_sync_cookie_free( sc, 1 );
 436                         sc = NULL;
 437
 438                 } else {
 439                         /* stored cookie */
 440                         struct berval newcookie = BER_BVNULL;
 441                         ber_dupbv( &cookie_bv, &cookie[0] );
 442                         ber_bvarray_add( &si->si_syncCookie.octet_str, &cookie_bv );
 443                         slap_parse_sync_cookie( &si->si_syncCookie );
 444                         ber_bvarray_free( si->si_syncCookie.octet_str );
 445                         si->si_syncCookie.octet_str = NULL;
 446                         ber_bvarray_free_x( cookie, op->o_tmpmemctx );
 447                         if ( sc->sid != -1 ) {
 448                                 /* command line cookie wins */
 449                                 si->si_syncCookie.sid = sc->sid;
 450                         }
 451                         if ( sc->ctxcsn != NULL ) {
 452                                 /* command line cookie wins */
 453                                 if ( si->si_syncCookie.ctxcsn ) {
 454                                         ber_bvarray_free( si->si_syncCookie.ctxcsn );
 455                                         si->si_syncCookie.ctxcsn = NULL;
 456                                 }
 457                                 ber_dupbv( &cookie_bv, &sc->ctxcsn[0] );
 458                                 ber_bvarray_add( &si->si_syncCookie.ctxcsn, &cookie_bv );
 459                         }
 460                         if ( sc->rid != -1 ) {
 461                                 /* command line cookie wins */
 462                                 si->si_syncCookie.rid = sc->rid;
 463                         }
 464                         slap_sync_cookie_free( sc, 1 );
 465                         sc = NULL;
 466                         slap_compose_sync_cookie( NULL, &newcookie,
 467                                         &si->si_syncCookie.ctxcsn[0],
 468                                         si->si_syncCookie.sid, si->si_syncCookie.rid );
 469                         ber_bvarray_add( &si->si_syncCookie.octet_str, &newcookie );
 470                 }
 471
 472         } else {
 473                 /* no command line cookie is specified */
 474                 if ( si->si_syncCookie.octet_str == NULL ) {
 475                         BerVarray cookie = NULL;
 476                         struct berval cookie_bv;
 477                         /* try to read stored cookie */
 478                         backend_attribute( op, NULL, &op->o_req_ndn,
 479                                 slap_schema.si_ad_syncreplCookie, &cookie, ACL_READ );
 480                         if ( cookie ) {
 481                                 ber_dupbv( &cookie_bv, &cookie[0] );
 482                                 ber_bvarray_add( &si->si_syncCookie.octet_str, &cookie_bv );
 483                                 slap_parse_sync_cookie( &si->si_syncCookie );
 484                                 ber_bvarray_free_x( cookie, op->o_tmpmemctx );
 485                         }
 486                 }
 487         }
 488
 489         rc = ldap_sync_search( si, op->o_tmpmemctx );
 490
 491         if( rc != LDAP_SUCCESS ) {
 492                 Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 493                         "ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
 494         }
 495
 496 done:
 497         if ( rc ) {
 498                 if ( si->si_ld ) {
 499                         ldap_unbind( si->si_ld );
 500                         si->si_ld = NULL;
 501                 }
 502         }
 503
 504         slap_sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 505
 506         return rc;
 507 }
 508
 509 static int
 510 do_syncrep2(
 511         Operation *op,
 512         syncinfo_t *si )
 513 {
 514         LDAPControl     **rctrls = NULL;
 515         LDAPControl     *rctrlp;
 516
 517         BerElementBuffer berbuf;
 518         BerElement      *ber = (BerElement *)&berbuf;
 519
 520         LDAPMessage     *res = NULL;
 521         LDAPMessage     *msg = NULL;
 522
 523         char            *retoid = NULL;
 524         struct berval   *retdata = NULL;
 525
 526         Entry           *entry = NULL;
 527
 528         int             syncstate;
 529         struct berval   syncUUID = BER_BVNULL;
 530         struct sync_cookie      syncCookie = { NULL, -1, NULL };
 531         struct sync_cookie      syncCookie_req = { NULL, -1, NULL };
 532         struct berval           cookie = BER_BVNULL;
 533
 534         int     rc, err, i;
 535         ber_len_t       len;
 536
 537         int rc_efree = 1;
 538
 539         struct berval   *psub;
 540         Modifications   *modlist = NULL;
 541
 542         const char              *text;
 543         int                             match;
 544
 545         struct timeval *tout_p = NULL;
 546         struct timeval tout = { 0, 0 };
 547
 548         int             refreshDeletes = 0;
 549         int             refreshDone = 1;
 550         BerVarray syncUUIDs = NULL;
 551         ber_tag_t si_tag;
 552
 553         if ( slapd_shutdown ) {
 554                 rc = -2;
 555                 goto done;
 556         }
 557
 558         ber_init2( ber, NULL, LBER_USE_DER );
 559         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 560
 561         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2\n", 0, 0, 0 );
 562
 563         psub = &si->si_be->be_nsuffix[0];
 564
 565         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 566
 567         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 568                 tout_p = &tout;
 569         } else {
 570                 tout_p = NULL;
 571         }
 572
 573         while (( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE,
 574                 tout_p, &res )) > 0 )
 575         {
 576                 if ( slapd_shutdown ) {
 577                         rc = -2;
 578                         goto done;
 579                 }
 580                 for( msg = ldap_first_message( si->si_ld, res );
 581                         msg != NULL;
 582                         msg = ldap_next_message( si->si_ld, msg ) )
 583                 {
 584                         switch( ldap_msgtype( msg ) ) {
 585                         case LDAP_RES_SEARCH_ENTRY:
 586                                 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 587                                 /* we can't work without the control */
 588                                 if ( !rctrls ) {
 589                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: "
 590                                                 "got search entry without "
 591                                                 "control\n", 0, 0, 0 );
 592                                         rc = -1;
 593                                         goto done;
 594                                 }
 595                                 rctrlp = *rctrls;
 596                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 597                                 ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
 598                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 599                                         ber_scanf( ber, /*"{"*/ "m}", &cookie );
 600                                         if ( !BER_BVISNULL( &cookie ) ) {
 601                                                 struct berval tmp_bv;
 602                                                 ber_dupbv( &tmp_bv, &cookie );
 603                                                 ber_bvarray_add( &syncCookie.octet_str, &tmp_bv );
 604                                         }
 605                                         if ( syncCookie.octet_str &&
 606                                                         !BER_BVISNULL( &syncCookie.octet_str[0] ) )
 607                                         {
 608                                                 slap_parse_sync_cookie( &syncCookie );
 609                                         }
 610                                 }
 611                                 if ( syncrepl_message_to_entry( si, op, msg,
 612                                         &modlist, &entry, syncstate ) == LDAP_SUCCESS ) {
 613                                         rc_efree = syncrepl_entry( si, op, entry, &modlist,
 614                                                 syncstate, &syncUUID, &syncCookie_req, syncCookie.ctxcsn );
 615                                         if ( syncCookie.octet_str &&
 616                                                 !BER_BVISNULL( &syncCookie.octet_str[0] ) )
 617                                         {
 618                                                 syncrepl_updateCookie( si, op, psub, &syncCookie );
 619                                         }
 620                                 }
 621                                 ldap_controls_free( rctrls );
 622                                 if ( modlist ) {
 623                                         slap_mods_free( modlist );
 624                                 }
 625                                 if ( rc_efree && entry ) {
 626                                         entry_free( entry );
 627                                 }
 628                                 entry = NULL;
 629                                 break;
 630
 631                         case LDAP_RES_SEARCH_REFERENCE:
 632                                 Debug( LDAP_DEBUG_ANY,
 633                                         "do_syncrep2: reference received error\n", 0, 0, 0 );
 634                                 break;
 635
 636                         case LDAP_RES_SEARCH_RESULT:
 637                                 Debug( LDAP_DEBUG_SYNC,
 638                                         "do_syncrep2: LDAP_RES_SEARCH_RESULT\n", 0, 0, 0 );
 639                                 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 640                                         &rctrls, 0 );
 641                                 if ( rctrls ) {
 642                                         rctrlp = *rctrls;
 643                                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 644
 645                                         ber_scanf( ber, "{" /*"}"*/);
 646                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 647                                                 ber_scanf( ber, "m", &cookie );
 648                                                 if ( !BER_BVISNULL( &cookie ) ) {
 649                                                         struct berval tmp_bv;
 650                                                         ber_dupbv( &tmp_bv, &cookie );
 651                                                         ber_bvarray_add( &syncCookie.octet_str, &tmp_bv);
 652                                                 }
 653                                                 if ( syncCookie.octet_str &&
 654                                                         !BER_BVISNULL( &syncCookie.octet_str[0] ) )
 655                                                 {
 656                                                         slap_parse_sync_cookie( &syncCookie );
 657                                                 }
 658                                         }
 659                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 660                                         {
 661                                                 ber_scanf( ber, "b", &refreshDeletes );
 662                                         }
 663                                         ber_scanf( ber, /*"{"*/ "}" );
 664                                 }
 665                                 if ( syncCookie_req.ctxcsn == NULL ) {
 666                                         match = -1;
 667                                 } else if ( syncCookie.ctxcsn == NULL ) {
 668                                         match = 1;
 669                                 } else {
 670                                         value_match( &match, slap_schema.si_ad_entryCSN,
 671                                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 672                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 673                                                 &syncCookie_req.ctxcsn[0], &syncCookie.ctxcsn[0],
 674                                                 &text );
 675                                 }
 676                                 if ( syncCookie.octet_str && !BER_BVISNULL( syncCookie.octet_str ) &&
 677                                         match < 0 && err == LDAP_SUCCESS )
 678                                 {
 679                                         syncrepl_updateCookie( si, op, psub, &syncCookie );
 680                                 }
 681                                 if ( rctrls ) {
 682                                         ldap_controls_free( rctrls );
 683                                 }
 684                                 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 685                                         /* FIXME : different error behaviors according to
 686                                          *      1) err code : LDAP_BUSY ...
 687                                          *      2) on err policy : stop service, stop sync, retry
 688                                          */
 689                                         if ( refreshDeletes == 0 && match < 0 &&
 690                                                 err == LDAP_SUCCESS )
 691                                         {
 692                                                 syncrepl_del_nonpresent( op, si, NULL );
 693                                         } else {
 694                                                 avl_free( si->si_presentlist, avl_ber_bvfree );
 695                                                 si->si_presentlist = NULL;
 696                                         }
 697                                 }
 698                                 rc = -2;
 699                                 goto done;
 700                                 break;
 701
 702                         case LDAP_RES_INTERMEDIATE:
 703                                 rc = ldap_parse_intermediate( si->si_ld, msg,
 704                                         &retoid, &retdata, NULL, 0 );
 705                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 706                                         ber_init2( ber, retdata, LBER_USE_DER );
 707
 708                                         switch ( si_tag = ber_peek_tag( ber, &len )) {
 709                                         ber_tag_t tag;
 710                                         case LDAP_TAG_SYNC_NEW_COOKIE:
 711                                                 Debug( LDAP_DEBUG_SYNC,
 712                                                         "do_syncrep2: %s - %s%s\n",
 713                                                         "LDAP_RES_INTERMEDIATE",
 714                                                         "NEW_COOKIE", "\n" );
 715                                                 ber_scanf( ber, "tm", &tag, &cookie );
 716                                                 break;
 717                                         case LDAP_TAG_SYNC_REFRESH_DELETE:
 718                                         case LDAP_TAG_SYNC_REFRESH_PRESENT:
 719                                                 Debug( LDAP_DEBUG_SYNC,
 720                                                         "do_syncrep2: %s - %s%s\n",
 721                                                         "LDAP_RES_INTERMEDIATE",
 722                                                         si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ?
 723                                                         "REFRESH_PRESENT" : "REFRESH_DELETE",
 724                                                         "\n" );
 725                                                 if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) {
 726                                                         si->si_refreshDelete = 1;
 727                                                 } else {
 728                                                         si->si_refreshPresent = 1;
 729                                                 }
 730                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 731                                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 732                                                 {
 733                                                         ber_scanf( ber, "m", &cookie );
 734                                                         if ( !BER_BVISNULL( &cookie ) ) {
 735                                                                 struct berval tmp_bv;
 736                                                                 ber_dupbv( &tmp_bv, &cookie );
 737                                                                 ber_bvarray_add( &syncCookie.octet_str,
 738                                                                         &tmp_bv);
 739                                                         }
 740                                                         if ( syncCookie.octet_str &&
 741                                                                 !BER_BVISNULL( &syncCookie.octet_str[0] ) )
 742                                                         {
 743                                                                 slap_parse_sync_cookie( &syncCookie );
 744                                                         }
 745                                                 }
 746                                                 if ( ber_peek_tag( ber, &len ) ==
 747                                                         LDAP_TAG_REFRESHDONE )
 748                                                 {
 749                                                         ber_scanf( ber, "b", &refreshDone );
 750                                                 }
 751                                                 ber_scanf( ber, /*"{"*/ "}" );
 752                                                 break;
 753                                         case LDAP_TAG_SYNC_ID_SET:
 754                                                 Debug( LDAP_DEBUG_SYNC,
 755                                                         "do_syncrep2: %s - %s%s\n",
 756                                                         "LDAP_RES_INTERMEDIATE",
 757                                                         "SYNC_ID_SET",
 758                                                         "\n" );
 759                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 760                                                 if ( ber_peek_tag( ber, &len ) ==
 761                                                         LDAP_TAG_SYNC_COOKIE )
 762                                                 {
 763                                                         ber_scanf( ber, "m", &cookie );
 764                                                         if ( !BER_BVISNULL( &cookie ) ) {
 765                                                                 struct berval tmp_bv;
 766                                                                 ber_dupbv( &tmp_bv, &cookie );
 767                                                                 ber_bvarray_add( &syncCookie.octet_str,
 768                                                                         &tmp_bv );
 769                                                         }
 770                                                         if ( syncCookie.octet_str &&
 771                                                                         !BER_BVISNULL( &syncCookie.octet_str[0] ) )
 772                                                         {
 773                                                                 slap_parse_sync_cookie( &syncCookie );
 774                                                         }
 775                                                 }
 776                                                 if ( ber_peek_tag( ber, &len ) ==
 777                                                         LDAP_TAG_REFRESHDELETES )
 778                                                 {
 779                                                         ber_scanf( ber, "b", &refreshDeletes );
 780                                                 }
 781                                                 ber_scanf( ber, "[W]", &syncUUIDs );
 782                                                 ber_scanf( ber, /*"{"*/ "}" );
 783                                                 if ( refreshDeletes ) {
 784                                                         syncrepl_del_nonpresent( op, si, syncUUIDs );
 785                                                         ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx );
 786                                                 } else {
 787                                                         for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) {
 788                                                                 struct berval *syncuuid_bv;
 789                                                                 syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
 790                                                                 slap_sl_free( syncUUIDs[i].bv_val,op->o_tmpmemctx );
 791                                                                 avl_insert( &si->si_presentlist,
 792                                                                         (caddr_t) syncuuid_bv,
 793                                                                         syncuuid_cmp, avl_dup_error );
 794                                                         }
 795                                                         slap_sl_free( syncUUIDs, op->o_tmpmemctx );
 796                                                 }
 797                                                 break;
 798                                         default:
 799                                                 Debug( LDAP_DEBUG_ANY,
 800                                                         "do_syncrep2 : unknown syncinfo tag (%ld)\n",
 801                                                 (long) si_tag, 0, 0 );
 802                                                 ldap_memfree( retoid );
 803                                                 ber_bvfree( retdata );
 804                                                 continue;
 805                                         }
 806
 807                                         if ( syncCookie_req.ctxcsn == NULL ) {
 808                                                 match = -1;
 809                                         } else if ( syncCookie.ctxcsn == NULL ) {
 810                                                 match = 1;
 811                                         } else {
 812                                                 value_match( &match, slap_schema.si_ad_entryCSN,
 813                                                         slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 814                                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 815                                                         &syncCookie_req.ctxcsn[0],
 816                                                         &syncCookie.ctxcsn[0], &text );
 817                                         }
 818
 819                                         if ( syncCookie.ctxcsn && !BER_BVISNULL( &syncCookie.ctxcsn[0] ) &&
 820                                                 match < 0 )
 821                                         {
 822                                                 syncrepl_updateCookie( si, op, psub, &syncCookie);
 823                                         }
 824
 825                                         if ( si->si_refreshPresent == 1 ) {
 826                                                 if ( match < 0 ) {
 827                                                         syncrepl_del_nonpresent( op, si, NULL );
 828                                                 }
 829                                         }
 830
 831                                         ldap_memfree( retoid );
 832                                         ber_bvfree( retdata );
 833                                         break;
 834
 835                                 } else {
 836                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
 837                                                 "unknown intermediate response (%d)\n",
 838                                                 rc, 0, 0 );
 839                                         ldap_memfree( retoid );
 840                                         ber_bvfree( retdata );
 841                                         break;
 842                                 }
 843                                 break;
 844
 845                         default:
 846                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
 847                                         "unknown message\n", 0, 0, 0 );
 848                                 break;
 849
 850                         }
 851                         if ( syncCookie.octet_str ) {
 852                                 slap_sync_cookie_free( &syncCookie_req, 0 );
 853                                 slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
 854                                 slap_sync_cookie_free( &syncCookie, 0 );
 855                         }
 856                 }
 857                 ldap_msgfree( res );
 858                 res = NULL;
 859         }
 860
 861         if ( rc == -1 ) {
 862                 const char *errstr;
 863
 864                 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
 865                 errstr = ldap_err2string( rc );
 866
 867                 Debug( LDAP_DEBUG_ANY,
 868                         "do_syncrep2 : %s\n", errstr, 0, 0 );
 869         }
 870
 871 done:
 872         slap_sync_cookie_free( &syncCookie, 0 );
 873         slap_sync_cookie_free( &syncCookie_req, 0 );
 874
 875         if ( res ) ldap_msgfree( res );
 876
 877         if ( rc && si->si_ld ) {
 878                 ldap_unbind( si->si_ld );
 879                 si->si_ld = NULL;
 880         }
 881
 882         return rc;
 883 }
 884
 885 void *
 886 do_syncrepl(
 887         void    *ctx,
 888         void    *arg )
 889 {
 890         struct re_s* rtask = arg;
 891         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
 892         Connection conn = {0};
 893         char opbuf[OPERATION_BUFFER_SIZE];
 894         Operation *op;
 895         int rc = LDAP_SUCCESS;
 896         int first = 0;
 897         int dostop = 0;
 898         ber_socket_t s;
 899         int i, defer = 1;
 900         Backend *be;
 901
 902         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl\n", 0, 0, 0 );
 903
 904         if ( si == NULL )
 905                 return NULL;
 906
 907         switch( abs( si->si_type )) {
 908         case LDAP_SYNC_REFRESH_ONLY:
 909         case LDAP_SYNC_REFRESH_AND_PERSIST:
 910                 break;
 911         default:
 912                 return NULL;
 913         }
 914
 915         if ( slapd_shutdown && si->si_ld ) {
 916                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 917                 connection_client_stop( s );
 918                 ldap_unbind( si->si_ld );
 919                 si->si_ld = NULL;
 920                 return NULL;
 921         }
 922
 923         op = (Operation *)opbuf;
 924         connection_fake_init( &conn, op, ctx );
 925
 926         /* use global malloc for now */
 927         op->o_tmpmemctx = NULL;
 928         op->o_tmpmfuncs = &ch_mfuncs;
 929
 930         op->o_dn = si->si_updatedn;
 931         op->o_ndn = si->si_updatedn;
 932         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
 933         op->o_bd = be = si->si_be;
 934
 935         /* Establish session, do search */
 936         if ( !si->si_ld ) {
 937                 first = 1;
 938                 si->si_refreshDelete = 0;
 939                 si->si_refreshPresent = 0;
 940                 rc = do_syncrep1( op, si );
 941         }
 942
 943         /* Process results */
 944         if ( rc == LDAP_SUCCESS ) {
 945                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 946
 947                 rc = do_syncrep2( op, si );
 948
 949                 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 950                         /* If we succeeded, enable the connection for further listening.
 951                          * If we failed, tear down the connection and reschedule.
 952                          */
 953                         if ( rc == LDAP_SUCCESS ) {
 954                                 if ( first ) {
 955                                         rc = connection_client_setup( s, do_syncrepl, arg );
 956                                 } else {
 957                                         connection_client_enable( s );
 958                                 }
 959                         } else if ( !first ) {
 960                                 dostop = 1;
 961                         }
 962                 } else {
 963                         if ( rc == -2 ) rc = 0;
 964                 }
 965         }
 966
 967         /* At this point, we have 4 cases:
 968          * 1) for any hard failure, give up and remove this task
 969          * 2) for ServerDown, reschedule this task to run
 970          * 3) for Refresh and Success, reschedule to run
 971          * 4) for Persist and Success, reschedule to defer
 972          */
 973         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 974
 975         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask )) {
 976                 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
 977         }
 978
 979         if ( dostop ) {
 980                 connection_client_stop( s );
 981         }
 982
 983         if ( rc == LDAP_SUCCESS ) {
 984                 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
 985                         defer = 0;
 986                 }
 987                 rtask->interval.tv_sec = si->si_interval;
 988                 ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
 989                 if ( si->si_retrynum ) {
 990                         for ( i = 0; si->si_retrynum_init[i] != -2; i++ ) {
 991                                 si->si_retrynum[i] = si->si_retrynum_init[i];
 992                         }
 993                         si->si_retrynum[i] = -2;
 994                 }
 995         } else {
 996                 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
 997                         if ( si->si_retrynum[i] == -1  || si->si_retrynum[i] == -2 )
 998                                 break;
 999                 }
1000
1001                 if ( !si->si_retrynum || si->si_retrynum[i] == -2 ) {
1002                         ldap_pvt_runqueue_remove( &slapd_rq, rtask );
1003                         LDAP_STAILQ_REMOVE( &be->be_syncinfo, si, syncinfo_s, si_next );
1004                         syncinfo_free( si );
1005                 } else if ( si->si_retrynum[i] >= -1 ) {
1006                         if ( si->si_retrynum[i] > 0 )
1007                                 si->si_retrynum[i]--;
1008                         rtask->interval.tv_sec = si->si_retryinterval[i];
1009                         ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1010                         slap_wake_listener();
1011                 }
1012         }
1013
1014         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1015
1016         return NULL;
1017 }
1018
1019 int
1020 syncrepl_message_to_entry(
1021         syncinfo_t      *si,
1022         Operation       *op,
1023         LDAPMessage     *msg,
1024         Modifications   **modlist,
1025         Entry                   **entry,
1026         int             syncstate
1027 )
1028 {
1029         Entry           *e = NULL;
1030         BerElement      *ber = NULL;
1031         Modifications   tmp;
1032         Modifications   *mod;
1033         Modifications   **modtail = modlist;
1034
1035         const char      *text;
1036         char txtbuf[SLAP_TEXT_BUFLEN];
1037         size_t textlen = sizeof txtbuf;
1038
1039         struct berval   bdn = {0, NULL}, dn, ndn;
1040         int             rc;
1041
1042         *modlist = NULL;
1043
1044         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1045                 Debug( LDAP_DEBUG_ANY,
1046                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
1047                 return -1;
1048         }
1049
1050         op->o_tag = LDAP_REQ_ADD;
1051
1052         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1053
1054         if ( rc != LDAP_SUCCESS ) {
1055                 Debug( LDAP_DEBUG_ANY,
1056                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
1057                 return rc;
1058         }
1059
1060         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1061         ber_dupbv( &op->o_req_dn, &dn );
1062         ber_dupbv( &op->o_req_ndn, &ndn );
1063         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1064         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1065
1066         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1067                 if ( entry )
1068                         *entry = NULL;
1069                 return LDAP_SUCCESS;
1070         }
1071
1072         if ( entry == NULL ) {
1073                 return -1;
1074         }
1075
1076         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
1077         *entry = e;
1078         e->e_name = op->o_req_dn;
1079         e->e_nname = op->o_req_ndn;
1080
1081         while ( ber_remaining( ber ) ) {
1082                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1083                         LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) )
1084                 {
1085                         break;
1086                 }
1087
1088                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ));
1089
1090                 mod->sml_op = LDAP_MOD_REPLACE;
1091                 mod->sml_next = NULL;
1092                 mod->sml_desc = NULL;
1093                 mod->sml_type = tmp.sml_type;
1094                 mod->sml_values = tmp.sml_values;
1095                 mod->sml_nvalues = NULL;
1096
1097                 *modtail = mod;
1098                 modtail = &mod->sml_next;
1099         }
1100
1101         if ( *modlist == NULL ) {
1102                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: no attributes\n",
1103                         0, 0, 0 );
1104                 rc = -1;
1105                 goto done;
1106         }
1107
1108         rc = slap_mods_check( *modlist, &text, txtbuf, textlen, NULL );
1109
1110         if ( rc != LDAP_SUCCESS ) {
1111                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods check (%s)\n",
1112                         text, 0, 0 );
1113                 goto done;
1114         }
1115
1116         /* Strip out dynamically generated attrs */
1117         for ( modtail = modlist; *modtail ; ) {
1118                 mod = *modtail;
1119                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1120                         *modtail = mod->sml_next;
1121                         slap_mod_free( &mod->sml_mod, 0 );
1122                         ch_free( mod );
1123                 } else {
1124                         modtail = &mod->sml_next;
1125                 }
1126         }
1127
1128         /* Strip out attrs in exattrs list */
1129         for ( modtail = modlist; *modtail ; ) {
1130                 mod = *modtail;
1131                 if ( ldap_charray_inlist( si->si_exattrs,
1132                                         mod->sml_desc->ad_type->sat_cname.bv_val )) {
1133                         *modtail = mod->sml_next;
1134                         slap_mod_free( &mod->sml_mod, 0 );
1135                         ch_free( mod );
1136                 } else {
1137                         modtail = &mod->sml_next;
1138                 }
1139         }
1140
1141         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1142         if( rc != LDAP_SUCCESS ) {
1143                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods2entry (%s)\n",
1144                         text, 0, 0 );
1145         }
1146
1147 done:
1148         ber_free ( ber, 0 );
1149         if ( rc != LDAP_SUCCESS ) {
1150                 if ( e ) {
1151                         entry_free( e );
1152                         *entry = e = NULL;
1153                 }
1154         }
1155
1156         return rc;
1157 }
1158
1159 /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
1160  * entry if a previous refresh was interrupted before sending us a new
1161  * context state. We try to compare the new entry to the existing entry
1162  * and ignore the new entry if they are the same.
1163  *
1164  * Also, we may get an update where the entryDN has changed, due to
1165  * a ModDn on the provider. We detect this as well, so we can issue
1166  * the corresponding operation locally.
1167  *
1168  * In the case of a modify, we get a list of all the attributes
1169  * in the original entry. Rather than deleting the entry and re-adding it,
1170  * we issue a Modify request that deletes all the attributes and adds all
1171  * the new ones. This avoids the issue of trying to delete/add a non-leaf
1172  * entry.
1173  *
1174  * We don't try to otherwise distinguish ModDN from Modify; in the case of
1175  * a ModDN we will issue both operations on the local database.
1176  */
1177 typedef struct dninfo {
1178         Entry *new_entry;
1179         struct berval dn;
1180         struct berval ndn;
1181         int renamed;    /* Was an existing entry renamed? */
1182         int wasChanged; /* are the attributes changed? */
1183         int attrs;              /* how many attribute types are in the ads list */
1184         AttributeDescription **ads;
1185 } dninfo;
1186
1187 int
1188 syncrepl_entry(
1189         syncinfo_t* si,
1190         Operation *op,
1191         Entry* entry,
1192         Modifications** modlist,
1193         int syncstate,
1194         struct berval* syncUUID,
1195         struct sync_cookie* syncCookie_req,
1196         struct berval* syncCSN )
1197 {
1198         Backend *be = op->o_bd;
1199         slap_callback   cb = { NULL };
1200         struct berval   *syncuuid_bv = NULL;
1201         struct berval   syncUUID_strrep = BER_BVNULL;
1202         struct berval   uuid_bv = BER_BVNULL;
1203
1204         SlapReply       rs_search = {REP_RESULT};
1205         SlapReply       rs_delete = {REP_RESULT};
1206         SlapReply       rs_add = {REP_RESULT};
1207         SlapReply       rs_modify = {REP_RESULT};
1208         Filter f = {0};
1209         AttributeAssertion ava = {0};
1210         int rc = LDAP_SUCCESS;
1211         int ret = LDAP_SUCCESS;
1212
1213         struct berval pdn = BER_BVNULL;
1214         struct berval org_req_dn = BER_BVNULL;
1215         struct berval org_req_ndn = BER_BVNULL;
1216         struct berval org_dn = BER_BVNULL;
1217         struct berval org_ndn = BER_BVNULL;
1218         int     org_managedsait;
1219         dninfo dni = {0};
1220         int     retry = 1;
1221
1222         switch( syncstate ) {
1223         case LDAP_SYNC_PRESENT:
1224                 Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
1225                                         "syncrepl_entry",
1226                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_PRESENT)", 0 );
1227                 break;
1228         case LDAP_SYNC_ADD:
1229                 Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
1230                                         "syncrepl_entry",
1231                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD)", 0 );
1232                 break;
1233         case LDAP_SYNC_DELETE:
1234                 Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
1235                                         "syncrepl_entry",
1236                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_DELETE)", 0 );
1237                 break;
1238         case LDAP_SYNC_MODIFY:
1239                 Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
1240                                         "syncrepl_entry",
1241                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_MODIFY)", 0 );
1242                 break;
1243         default:
1244                 Debug( LDAP_DEBUG_ANY, "%s: %s\n",
1245                                         "syncrepl_entry",
1246                                         "LDAP_RES_SEARCH_ENTRY(UNKNOWN syncstate)", 0 );
1247         }
1248
1249         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD )) {
1250                 if ( !si->si_refreshPresent ) {
1251                         syncuuid_bv = ber_dupbv( NULL, syncUUID );
1252                         avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1253                                 syncuuid_cmp, avl_dup_error );
1254                 }
1255         }
1256
1257         if ( syncstate == LDAP_SYNC_PRESENT ) {
1258                 return 0;
1259         } else if ( syncstate != LDAP_SYNC_DELETE ) {
1260                 if ( entry == NULL ) {
1261                         return 0;
1262                 }
1263         }
1264
1265         f.f_choice = LDAP_FILTER_EQUALITY;
1266         f.f_ava = &ava;
1267         ava.aa_desc = slap_schema.si_ad_entryUUID;
1268         (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1269         ava.aa_value = *syncUUID;
1270         op->ors_filter = &f;
1271
1272         op->ors_filterstr.bv_len = STRLENOF( "entryUUID=" ) + syncUUID->bv_len;
1273         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
1274                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1275         AC_MEMCPY( op->ors_filterstr.bv_val, "entryUUID=", STRLENOF( "entryUUID=" ) );
1276         AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "entryUUID=" )],
1277                 syncUUID->bv_val, syncUUID->bv_len );
1278         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1279
1280         op->o_tag = LDAP_REQ_SEARCH;
1281         op->ors_scope = LDAP_SCOPE_SUBTREE;
1282
1283         /* get the entry for this UUID */
1284         op->o_req_dn = si->si_base;
1285         op->o_req_ndn = si->si_base;
1286
1287         op->o_time = slap_get_time();
1288         op->ors_tlimit = SLAP_NO_LIMIT;
1289         op->ors_slimit = 1;
1290
1291         op->ors_attrs = slap_anlist_all_attributes;
1292         op->ors_attrsonly = 0;
1293
1294         /* set callback function */
1295         op->o_callback = &cb;
1296         cb.sc_response = dn_callback;
1297         cb.sc_private = &dni;
1298         dni.new_entry = entry;
1299
1300         if ( limits_check( op, &rs_search ) == 0 ) {
1301                 rc = be->be_search( op, &rs_search );
1302                 Debug( LDAP_DEBUG_SYNC,
1303                                 "syncrepl_entry: %s (%d)\n",
1304                                 "be_search", rc, 0 );
1305         }
1306
1307         if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
1308                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1309         }
1310
1311         cb.sc_response = null_callback;
1312         cb.sc_private = si;
1313
1314         if ( entry && entry->e_name.bv_val ) {
1315                 Debug( LDAP_DEBUG_SYNC,
1316                                 "syncrepl_entry: %s\n",
1317                                 entry->e_name.bv_val, 0, 0 );
1318         } else {
1319                 Debug( LDAP_DEBUG_SYNC,
1320                                 "syncrepl_entry: %s\n",
1321                                 dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0, 0 );
1322         }
1323
1324         org_req_dn = op->o_req_dn;
1325         org_req_ndn = op->o_req_ndn;
1326         org_dn = op->o_dn;
1327         org_ndn = op->o_ndn;
1328         org_managedsait = get_manageDSAit( op );
1329         op->o_dn = op->o_bd->be_rootdn;
1330         op->o_ndn = op->o_bd->be_rootndn;
1331         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1332
1333         if ( syncstate != LDAP_SYNC_DELETE ) {
1334                 attr_delete( &entry->e_attrs, slap_schema.si_ad_entryUUID );
1335                 attr_merge_one( entry, slap_schema.si_ad_entryUUID,
1336                         &syncUUID_strrep, syncUUID );
1337         }
1338
1339         switch ( syncstate ) {
1340         case LDAP_SYNC_ADD:
1341         case LDAP_SYNC_MODIFY:
1342 retry_add:;
1343                 if ( BER_BVISNULL( &dni.dn )) {
1344
1345                         op->o_req_dn = entry->e_name;
1346                         op->o_req_ndn = entry->e_nname;
1347                         op->o_tag = LDAP_REQ_ADD;
1348                         op->ora_e = entry;
1349
1350                         rc = be->be_add( op, &rs_add );
1351                         Debug( LDAP_DEBUG_SYNC,
1352                                         "syncrepl_entry: %s (%d)\n",
1353                                         "be_add", rc, 0 );
1354                         switch ( rs_add.sr_err ) {
1355                         case LDAP_SUCCESS:
1356                                 be_entry_release_w( op, entry );
1357                                 ret = 0;
1358                                 break;
1359
1360                         case LDAP_REFERRAL:
1361                         /* we assume that LDAP_NO_SUCH_OBJECT is returned
1362                          * only if the suffix entry is not present */
1363                         case LDAP_NO_SUCH_OBJECT:
1364                                 syncrepl_add_glue( op, entry );
1365                                 ret = 0;
1366                                 break;
1367
1368                         /* if an entry was added via syncrepl_add_glue(),
1369                          * it likely has no entryUUID, so the previous
1370                          * be_search() doesn't find it.  In this case,
1371                          * give syncrepl a chance to modify it. */
1372                         case LDAP_ALREADY_EXISTS:
1373                                 if ( retry ) {
1374                                         Operation       op2 = *op;
1375                                         SlapReply       rs2 = { 0 };
1376                                         slap_callback   cb2 = { 0 };
1377
1378                                         op2.o_tag = LDAP_REQ_SEARCH;
1379                                         ber_dupbv_x( &op2.o_req_dn,
1380                                                 &entry->e_name,
1381                                                 op2.o_tmpmemctx );
1382                                         ber_dupbv_x( &op2.o_req_ndn,
1383                                                 &entry->e_nname,
1384                                                 op2.o_tmpmemctx );
1385                                         op2.ors_scope = LDAP_SCOPE_BASE;
1386                                         op2.ors_attrs = slap_anlist_all_attributes;
1387                                         op2.ors_attrsonly = 0;
1388                                         op2.ors_limit = NULL;
1389                                         op2.ors_slimit = 1;
1390                                         op2.ors_tlimit = SLAP_NO_LIMIT;
1391
1392                                         f.f_choice = LDAP_FILTER_EQUALITY;
1393                                         f.f_ava = &ava;
1394                                         ava.aa_desc = slap_schema.si_ad_objectClass;
1395                                         ber_dupbv_x( &ava.aa_value,
1396                                                 &slap_schema.si_oc_glue->soc_cname,
1397                                                 op2.o_tmpmemctx );
1398                                         op2.ors_filter = &f;
1399                                         filter2bv_x( &op2, op2.ors_filter,
1400                                                         &op2.ors_filterstr );
1401
1402                                         op2.o_callback = &cb2;
1403                                         cb2.sc_response = dn_callback;
1404                                         cb2.sc_private = &dni;
1405
1406                                         be->be_search( &op2, &rs2 );
1407
1408                                         op2.o_tmpfree( op2.o_req_dn.bv_val,
1409                                                 op2.o_tmpmemctx );
1410                                         op2.o_tmpfree( op2.o_req_ndn.bv_val,
1411                                                 op2.o_tmpmemctx );
1412                                         op2.o_tmpfree( ava.aa_value.bv_val,
1413                                                 op2.o_tmpmemctx );
1414                                         op2.o_tmpfree( op2.ors_filterstr.bv_val,
1415                                                 op2.o_tmpmemctx );
1416
1417                                         retry = 0;
1418                                         goto retry_add;
1419                                 }
1420                                 /* FALLTHRU */
1421
1422                         default:
1423                                 Debug( LDAP_DEBUG_ANY,
1424                                         "syncrepl_entry : be_add failed (%d)\n",
1425                                         rs_add.sr_err, 0, 0 );
1426                                 ret = 1;
1427                                 break;
1428                         }
1429                         goto done;
1430                 }
1431                 /* FALLTHRU */
1432                 op->o_req_dn = dni.dn;
1433                 op->o_req_ndn = dni.ndn;
1434                 if ( dni.renamed ) {
1435                         struct berval noldp, newp, nnewp;
1436
1437                         op->o_tag = LDAP_REQ_MODRDN;
1438                         dnRdn( &entry->e_name, &op->orr_newrdn );
1439                         dnRdn( &entry->e_nname, &op->orr_nnewrdn );
1440
1441                         dnParent( &dni.ndn, &noldp );
1442                         dnParent( &entry->e_nname, &nnewp );
1443                         if ( !dn_match( &noldp, &newp )) {
1444                                 dnParent( &entry->e_name, &newp );
1445                                 op->orr_newSup = &newp;
1446                                 op->orr_nnewSup = &nnewp;
1447                         }
1448                         op->orr_deleteoldrdn = 0;
1449                         rc = be->be_modrdn( op, &rs_modify );
1450                         Debug( LDAP_DEBUG_SYNC,
1451                                         "syncrepl_entry: %s (%d)\n",
1452                                         "be_modrdn", rc, 0 );
1453                         if ( rs_modify.sr_err == LDAP_SUCCESS ) {
1454                                 op->o_req_dn = entry->e_name;
1455                                 op->o_req_ndn = entry->e_nname;
1456                         } else {
1457                                 ret = 1;
1458                                 goto done;
1459                         }
1460                 }
1461                 if ( dni.wasChanged ) {
1462                         Modifications *mod, *modhead = NULL;
1463                         Modifications *modtail = NULL;
1464                         int i;
1465
1466                         op->o_tag = LDAP_REQ_MODIFY;
1467
1468                         assert( *modlist );
1469
1470                         /* Delete all the old attrs */
1471                         for ( i=0; i<dni.attrs; i++) {
1472                                 mod = ch_malloc( sizeof(Modifications));
1473                                 mod->sml_op = LDAP_MOD_DELETE;
1474                                 mod->sml_desc = dni.ads[i];
1475                                 mod->sml_type =mod->sml_desc->ad_cname;
1476                                 mod->sml_values = NULL;
1477                                 mod->sml_nvalues = NULL;
1478                                 if ( !modhead ) modhead = mod;
1479                                 if ( modtail ) {
1480                                         modtail->sml_next = mod;
1481                                 }
1482                                 modtail = mod;
1483                         }
1484
1485                         /* Append passed in list to ours */
1486                         if ( modtail ) {
1487                                 modtail->sml_next = *modlist;
1488                                 *modlist = modhead;
1489                         } else {
1490                                 mod = *modlist;
1491                         }
1492
1493                         /* Find end of this list */
1494                         for ( ; mod != NULL; mod = mod->sml_next ) {
1495                                 modtail = mod;
1496                         }
1497
1498                         mod = (Modifications *)ch_calloc(1, sizeof(Modifications));
1499                         mod->sml_op = LDAP_MOD_REPLACE;
1500                         mod->sml_desc = slap_schema.si_ad_entryUUID;
1501                         mod->sml_type = mod->sml_desc->ad_cname;
1502                         ber_dupbv( &uuid_bv, &syncUUID_strrep );
1503                         ber_bvarray_add( &mod->sml_values, &uuid_bv );
1504                         ber_dupbv( &uuid_bv, syncUUID );
1505                         ber_bvarray_add( &mod->sml_nvalues, &uuid_bv );
1506                         modtail->sml_next = mod;
1507
1508                         op->o_tag = LDAP_REQ_MODIFY;
1509                         op->orm_modlist = *modlist;
1510
1511                         rc = be->be_modify( op, &rs_modify );
1512                         Debug( LDAP_DEBUG_SYNC,
1513                                         "syncrepl_entry: %s (%d)\n",
1514                                         "be_modify", rc, 0 );
1515                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
1516                                 Debug( LDAP_DEBUG_ANY,
1517                                         "syncrepl_entry : be_modify failed (%d)\n",
1518                                         rs_modify.sr_err, 0, 0 );
1519                         }
1520                 }
1521                 ret = 1;
1522                 goto done;
1523         case LDAP_SYNC_DELETE :
1524                 if ( !BER_BVISNULL( &dni.dn )) {
1525                         op->o_req_dn = dni.dn;
1526                         op->o_req_ndn = dni.ndn;
1527                         op->o_tag = LDAP_REQ_DELETE;
1528                         rc = be->be_delete( op, &rs_delete );
1529                         Debug( LDAP_DEBUG_SYNC,
1530                                         "syncrepl_entry: %s (%d)\n",
1531                                         "be_delete", rc, 0 );
1532
1533                         while ( rs_delete.sr_err == LDAP_SUCCESS
1534                                 && op->o_delete_glue_parent ) {
1535                                 op->o_delete_glue_parent = 0;
1536                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1537                                         slap_callback cb = { NULL };
1538                                         cb.sc_response = slap_null_cb;
1539                                         dnParent( &op->o_req_ndn, &pdn );
1540                                         op->o_req_dn = pdn;
1541                                         op->o_req_ndn = pdn;
1542                                         op->o_callback = &cb;
1543                                         op->o_bd->be_delete( op, &rs_delete );
1544                                 } else {
1545                                         break;
1546                                 }
1547                         }
1548                 }
1549                 ret = 0;
1550                 goto done;
1551
1552         default :
1553                 Debug( LDAP_DEBUG_ANY,
1554                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1555                 ret = 1;
1556                 goto done;
1557         }
1558
1559 done :
1560         if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
1561                 slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
1562                 BER_BVZERO( &syncUUID_strrep );
1563         }
1564         if ( dni.ads ) {
1565                 op->o_tmpfree( dni.ads, op->o_tmpmemctx );
1566         }
1567         if ( !BER_BVISNULL( &dni.ndn ) ) {
1568                 op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
1569         }
1570         if ( !BER_BVISNULL( &dni.dn ) ) {
1571                 op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
1572         }
1573         return ret;
1574 }
1575
1576 static struct berval gcbva[] = {
1577         BER_BVC("top"),
1578         BER_BVC("glue"),
1579         BER_BVNULL
1580 };
1581
1582 #define NP_DELETE_ONE   2
1583
1584 static void
1585 syncrepl_del_nonpresent(
1586         Operation *op,
1587         syncinfo_t *si,
1588         BerVarray uuids )
1589 {
1590         Backend* be = op->o_bd;
1591         slap_callback   cb = { NULL };
1592         SlapReply       rs_search = {REP_RESULT};
1593         SlapReply       rs_delete = {REP_RESULT};
1594         SlapReply       rs_modify = {REP_RESULT};
1595         struct nonpresent_entry *np_list, *np_prev;
1596         int rc;
1597         Modifications *ml;
1598         Modifications *mlnext;
1599         Modifications *mod;
1600         Modifications *modlist = NULL;
1601         Modifications **modtail;
1602         AttributeName   an[2];
1603
1604         struct berval pdn = BER_BVNULL;
1605         struct berval org_req_dn = BER_BVNULL;
1606         struct berval org_req_ndn = BER_BVNULL;
1607         struct berval org_dn = BER_BVNULL;
1608         struct berval org_ndn = BER_BVNULL;
1609         int     org_managedsait;
1610
1611         op->o_req_dn = si->si_base;
1612         op->o_req_ndn = si->si_base;
1613
1614         cb.sc_response = nonpresent_callback;
1615         cb.sc_private = si;
1616
1617         op->o_callback = &cb;
1618         op->o_tag = LDAP_REQ_SEARCH;
1619         op->ors_scope = si->si_scope;
1620         op->ors_deref = LDAP_DEREF_NEVER;
1621         op->o_time = slap_get_time();
1622         op->ors_tlimit = SLAP_NO_LIMIT;
1623
1624
1625         if ( uuids ) {
1626                 Filter uf;
1627                 AttributeAssertion eq;
1628                 int i;
1629
1630                 op->ors_attrsonly = 1;
1631                 op->ors_attrs = slap_anlist_no_attrs;
1632                 op->ors_limit = NULL;
1633                 op->ors_filter = &uf;
1634                 op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1635
1636                 uf.f_ava = &eq;
1637                 uf.f_av_desc = slap_schema.si_ad_entryUUID;
1638                 uf.f_next = NULL;
1639                 uf.f_choice = LDAP_FILTER_EQUALITY;
1640                 si->si_refreshDelete |= NP_DELETE_ONE;
1641
1642                 for (i=0; uuids[i].bv_val; i++) {
1643                         op->ors_slimit = 1;
1644                         uf.f_av_value = uuids[i];
1645                         rc = be->be_search( op, &rs_search );
1646                 }
1647                 si->si_refreshDelete ^= NP_DELETE_ONE;
1648         } else {
1649                 memset( &an[0], 0, 2 * sizeof( AttributeName ) );
1650                 an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
1651                 an[0].an_desc = slap_schema.si_ad_entryUUID;
1652                 op->ors_attrs = an;
1653                 op->ors_slimit = SLAP_NO_LIMIT;
1654                 op->ors_attrsonly = 0;
1655                 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
1656                 op->ors_filterstr = si->si_filterstr;
1657                 op->o_nocaching = 1;
1658                 op->o_managedsait = SLAP_CONTROL_NONE;
1659
1660                 if ( limits_check( op, &rs_search ) == 0 ) {
1661                         rc = be->be_search( op, &rs_search );
1662                 }
1663                 if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
1664         }
1665
1666         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1667         op->o_nocaching = 0;
1668
1669         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
1670                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
1671                 while ( np_list != NULL ) {
1672                         LDAP_LIST_REMOVE( np_list, npe_link );
1673                         np_prev = np_list;
1674                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
1675                         op->o_tag = LDAP_REQ_DELETE;
1676                         op->o_callback = &cb;
1677                         cb.sc_response = null_callback;
1678                         cb.sc_private = si;
1679                         op->o_req_dn = *np_prev->npe_name;
1680                         op->o_req_ndn = *np_prev->npe_nname;
1681                         rc = op->o_bd->be_delete( op, &rs_delete );
1682
1683                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
1684                                 modtail = &modlist;
1685                                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1686                                 mod->sml_op = LDAP_MOD_REPLACE;
1687                                 mod->sml_desc = slap_schema.si_ad_objectClass;
1688                                 mod->sml_type = mod->sml_desc->ad_cname;
1689                                 mod->sml_values = &gcbva[0];
1690                                 *modtail = mod;
1691                                 modtail = &mod->sml_next;
1692
1693                                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1694                                 mod->sml_op = LDAP_MOD_REPLACE;
1695                                 mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
1696                                 mod->sml_type = mod->sml_desc->ad_cname;
1697                                 mod->sml_values = &gcbva[1];
1698                                 *modtail = mod;
1699                                 modtail = &mod->sml_next;
1700
1701                                 op->o_tag = LDAP_REQ_MODIFY;
1702                                 op->orm_modlist = modlist;
1703
1704                                 rc = be->be_modify( op, &rs_modify );
1705
1706                                 for ( ml = modlist; ml != NULL; ml = mlnext ) {
1707                                         mlnext = ml->sml_next;
1708                                         free( ml );
1709                                 }
1710                         }
1711
1712                         org_req_dn = op->o_req_dn;
1713                         org_req_ndn = op->o_req_ndn;
1714                         org_dn = op->o_dn;
1715                         org_ndn = op->o_ndn;
1716                         org_managedsait = get_manageDSAit( op );
1717                         op->o_dn = op->o_bd->be_rootdn;
1718                         op->o_ndn = op->o_bd->be_rootndn;
1719                         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1720
1721                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
1722                                         op->o_delete_glue_parent ) {
1723                                 op->o_delete_glue_parent = 0;
1724                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1725                                         slap_callback cb = { NULL };
1726                                         cb.sc_response = slap_null_cb;
1727                                         dnParent( &op->o_req_ndn, &pdn );
1728                                         op->o_req_dn = pdn;
1729                                         op->o_req_ndn = pdn;
1730                                         op->o_callback = &cb;
1731                                         /* give it a root privil ? */
1732                                         op->o_bd->be_delete( op, &rs_delete );
1733                                 } else {
1734                                         break;
1735                             }
1736                         }
1737
1738                         op->o_managedsait = org_managedsait;
1739                         op->o_dn = org_dn;
1740                         op->o_ndn = org_ndn;
1741                         op->o_req_dn = org_req_dn;
1742                         op->o_req_ndn = org_req_ndn;
1743                         op->o_delete_glue_parent = 0;
1744
1745                         ber_bvfree( np_prev->npe_name );
1746                         ber_bvfree( np_prev->npe_nname );
1747                         BER_BVZERO( &op->o_req_dn );
1748                         BER_BVZERO( &op->o_req_ndn );
1749                         ch_free( np_prev );
1750                 }
1751         }
1752
1753         return;
1754 }
1755
1756 void
1757 syncrepl_add_glue(
1758         Operation* op,
1759         Entry *e )
1760 {
1761         Backend *be = op->o_bd;
1762         slap_callback cb = { NULL };
1763         Attribute       *a;
1764         int     rc;
1765         int suffrdns;
1766         int i;
1767         struct berval dn = {0, NULL};
1768         struct berval ndn = {0, NULL};
1769         Entry   *glue;
1770         SlapReply       rs_add = {REP_RESULT};
1771         char    *ptr, *comma;
1772
1773         op->o_tag = LDAP_REQ_ADD;
1774         op->o_callback = &cb;
1775         cb.sc_response = null_callback;
1776         cb.sc_private = NULL;
1777
1778         dn = e->e_name;
1779         ndn = e->e_nname;
1780
1781         /* count RDNs in suffix */
1782         if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
1783                 for ( i = 0, ptr = be->be_nsuffix[0].bv_val; ptr; ptr = strchr( ptr, ',' ) ) {
1784                         ptr++;
1785                         i++;
1786                 }
1787                 suffrdns = i;
1788         } else {
1789                 /* suffix is "" */
1790                 suffrdns = 0;
1791         }
1792
1793         /* Start with BE suffix */
1794         for ( i = 0, ptr = NULL; i < suffrdns; i++ ) {
1795                 comma = strrchr( dn.bv_val, ',' );
1796                 if ( ptr ) *ptr = ',';
1797                 if ( comma ) *comma = '\0';
1798                 ptr = comma;
1799         }
1800         if ( ptr ) {
1801                 *ptr++ = ',';
1802                 dn.bv_len -= ptr - dn.bv_val;
1803                 dn.bv_val = ptr;
1804         }
1805         /* the normalizedDNs are always the same length, no counting
1806          * required.
1807          */
1808         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
1809                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
1810                 ndn.bv_len = be->be_nsuffix[0].bv_len;
1811         }
1812
1813         while ( ndn.bv_val > e->e_nname.bv_val ) {
1814                 glue = (Entry *) ch_calloc( 1, sizeof(Entry) );
1815                 ber_dupbv( &glue->e_name, &dn );
1816                 ber_dupbv( &glue->e_nname, &ndn );
1817
1818                 a = ch_calloc( 1, sizeof( Attribute ));
1819                 a->a_desc = slap_schema.si_ad_objectClass;
1820
1821                 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
1822                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
1823                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
1824                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
1825
1826                 a->a_nvals = a->a_vals;
1827
1828                 a->a_next = glue->e_attrs;
1829                 glue->e_attrs = a;
1830
1831                 a = ch_calloc( 1, sizeof( Attribute ));
1832                 a->a_desc = slap_schema.si_ad_structuralObjectClass;
1833
1834                 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
1835                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
1836                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
1837
1838                 a->a_nvals = a->a_vals;
1839
1840                 a->a_next = glue->e_attrs;
1841                 glue->e_attrs = a;
1842
1843                 op->o_req_dn = glue->e_name;
1844                 op->o_req_ndn = glue->e_nname;
1845                 op->ora_e = glue;
1846                 rc = be->be_add ( op, &rs_add );
1847                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
1848                         be_entry_release_w( op, glue );
1849                 } else {
1850                 /* incl. ALREADY EXIST */
1851                         entry_free( glue );
1852                 }
1853
1854                 /* Move to next child */
1855                 for (ptr = dn.bv_val-2; ptr > e->e_name.bv_val && *ptr != ','; ptr--) {
1856                         /* empty */
1857                 }
1858                 if ( ptr == e->e_name.bv_val ) break;
1859                 dn.bv_val = ++ptr;
1860                 dn.bv_len = e->e_name.bv_len - (ptr-e->e_name.bv_val);
1861                 for( ptr = ndn.bv_val-2;
1862                         ptr > e->e_nname.bv_val && *ptr != ',';
1863                         ptr--)
1864                 {
1865                         /* empty */
1866                 }
1867                 ndn.bv_val = ++ptr;
1868                 ndn.bv_len = e->e_nname.bv_len - (ptr-e->e_nname.bv_val);
1869         }
1870
1871         op->o_req_dn = e->e_name;
1872         op->o_req_ndn = e->e_nname;
1873         op->ora_e = e;
1874         rc = be->be_add ( op, &rs_add );
1875         if ( rs_add.sr_err == LDAP_SUCCESS ) {
1876                 be_entry_release_w( op, e );
1877         } else {
1878                 entry_free( e );
1879         }
1880
1881         return;
1882 }
1883
1884 static struct berval ocbva[] = {
1885         BER_BVC("top"),
1886         BER_BVC("subentry"),
1887         BER_BVC("syncConsumerSubentry"),
1888         BER_BVNULL
1889 };
1890
1891 static struct berval cnbva[] = {
1892         BER_BVNULL,
1893         BER_BVNULL
1894 };
1895
1896 static struct berval ssbva[] = {
1897         BER_BVC("{}"),
1898         BER_BVNULL
1899 };
1900
1901 static struct berval scbva[] = {
1902         BER_BVNULL,
1903         BER_BVNULL
1904 };
1905
1906 void
1907 syncrepl_updateCookie(
1908         syncinfo_t *si,
1909         Operation *op,
1910         struct berval *pdn,
1911         struct sync_cookie *syncCookie )
1912 {
1913         Backend *be = op->o_bd;
1914         Modifications *ml;
1915         Modifications *mlnext;
1916         Modifications *mod;
1917         Modifications *modlist = NULL;
1918         Modifications **modtail = &modlist;
1919
1920         const char      *text;
1921         char txtbuf[SLAP_TEXT_BUFLEN];
1922         size_t textlen = sizeof txtbuf;
1923
1924         Entry* e = NULL;
1925         int rc;
1926
1927         char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
1928         struct berval slap_syncrepl_dn_bv = BER_BVNULL;
1929         struct berval slap_syncrepl_cn_bv = BER_BVNULL;
1930
1931         slap_callback cb = { NULL };
1932         SlapReply       rs_add = {REP_RESULT};
1933         SlapReply       rs_modify = {REP_RESULT};
1934
1935         slap_sync_cookie_free( &si->si_syncCookie, 0 );
1936         slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
1937
1938         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1939         mod->sml_op = LDAP_MOD_REPLACE;
1940         mod->sml_desc = slap_schema.si_ad_objectClass;
1941         mod->sml_type = mod->sml_desc->ad_cname;
1942         mod->sml_values = ocbva;
1943         *modtail = mod;
1944         modtail = &mod->sml_next;
1945
1946         ber_dupbv( &cnbva[0], (struct berval *) &slap_syncrepl_bvc );
1947         assert( si->si_rid < 1000 );
1948         cnbva[0].bv_len = snprintf( cnbva[0].bv_val,
1949                 slap_syncrepl_bvc.bv_len + 1,
1950                 "syncrepl%ld", si->si_rid );
1951         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1952         mod->sml_op = LDAP_MOD_REPLACE;
1953         mod->sml_desc = slap_schema.si_ad_cn;
1954         mod->sml_type = mod->sml_desc->ad_cname;
1955         mod->sml_values = cnbva;
1956         *modtail = mod;
1957         modtail = &mod->sml_next;
1958
1959         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1960         mod->sml_op = LDAP_MOD_REPLACE;
1961         mod->sml_desc = slap_schema.si_ad_subtreeSpecification;
1962         mod->sml_type = mod->sml_desc->ad_cname;
1963         mod->sml_values = ssbva;
1964         *modtail = mod;
1965         modtail = &mod->sml_next;
1966
1967         /* Keep this last, so we can avoid touching the previous
1968          * attributes unnecessarily.
1969          */
1970         if ( scbva[0].bv_val ) ch_free( scbva[0].bv_val );
1971         ber_dupbv( &scbva[0], &si->si_syncCookie.octet_str[0] );
1972         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1973         mod->sml_op = LDAP_MOD_REPLACE;
1974         mod->sml_desc = slap_schema.si_ad_syncreplCookie;
1975         mod->sml_type = mod->sml_desc->ad_cname;
1976         mod->sml_values = scbva;
1977         *modtail = mod;
1978         modtail = &mod->sml_next;
1979
1980         slap_queue_csn( op, si->si_syncCookie.ctxcsn );
1981
1982         mlnext = mod;
1983
1984         op->o_tag = LDAP_REQ_ADD;
1985         rc = slap_mods_opattrs( op, modlist, modtail,
1986                  &text, txtbuf, textlen, 0 );
1987
1988         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
1989                 ml->sml_op = LDAP_MOD_REPLACE;
1990         }
1991
1992         if( rc != LDAP_SUCCESS ) {
1993                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods opattrs (%s)\n",
1994                          text, 0, 0 );
1995         }
1996
1997         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1998
1999         slap_syncrepl_cn_bv.bv_val = syncrepl_cbuf;
2000         assert( si->si_rid < 1000 );
2001         slap_syncrepl_cn_bv.bv_len = snprintf( slap_syncrepl_cn_bv.bv_val,
2002                 slap_syncrepl_cn_bvc.bv_len + 1,
2003                 "cn=syncrepl%ld", si->si_rid );
2004
2005         build_new_dn( &slap_syncrepl_dn_bv, pdn, &slap_syncrepl_cn_bv,
2006                 op->o_tmpmemctx );
2007         ber_dupbv( &e->e_name, &slap_syncrepl_dn_bv );
2008         ber_dupbv( &e->e_nname, &slap_syncrepl_dn_bv );
2009
2010         if ( !BER_BVISNULL( &slap_syncrepl_dn_bv ) ) {
2011                 slap_sl_free( slap_syncrepl_dn_bv.bv_val, op->o_tmpmemctx );
2012         }
2013
2014         e->e_attrs = NULL;
2015
2016         rc = slap_mods2entry( modlist, &e, 1, 1, &text, txtbuf, textlen );
2017
2018         if( rc != LDAP_SUCCESS ) {
2019                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods2entry (%s)\n",
2020                          text, 0, 0 );
2021         }
2022
2023         cb.sc_response = null_callback;
2024         cb.sc_private = si;
2025
2026         op->o_callback = &cb;
2027         op->o_req_dn = e->e_name;
2028         op->o_req_ndn = e->e_nname;
2029
2030         /* update persistent cookie */
2031 update_cookie_retry:
2032         op->o_tag = LDAP_REQ_MODIFY;
2033         /* Just modify the cookie value, not the entire entry */
2034         op->orm_modlist = mod;
2035         rc = be->be_modify( op, &rs_modify );
2036
2037         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
2038                 if ( rs_modify.sr_err == LDAP_REFERRAL ||
2039                          rs_modify.sr_err == LDAP_NO_SUCH_OBJECT ) {
2040                         op->o_tag = LDAP_REQ_ADD;
2041                         op->ora_e = e;
2042                         rc = be->be_add( op, &rs_add );
2043                         if ( rs_add.sr_err != LDAP_SUCCESS ) {
2044                                 if ( rs_add.sr_err == LDAP_ALREADY_EXISTS ) {
2045                                         goto update_cookie_retry;
2046                                 } else if ( rs_add.sr_err == LDAP_REFERRAL ||
2047                                                         rs_add.sr_err == LDAP_NO_SUCH_OBJECT ) {
2048                                         Debug( LDAP_DEBUG_ANY,
2049                                                 "cookie will be non-persistent\n",
2050                                                 0, 0, 0 );
2051                                 } else {
2052                                         Debug( LDAP_DEBUG_ANY,
2053                                                 "be_add failed (%d)\n", rs_add.sr_err, 0, 0 );
2054                                 }
2055                         } else {
2056                                 be_entry_release_w( op, e );
2057                                 goto done;
2058                         }
2059                 } else {
2060                         Debug( LDAP_DEBUG_ANY,
2061                                 "be_modify failed (%d)\n", rs_modify.sr_err, 0, 0 );
2062                 }
2063         }
2064         if ( e != NULL ) {
2065                 entry_free( e );
2066         }
2067
2068 done :
2069         slap_graduate_commit_csn( op );
2070
2071
2072         if ( !BER_BVISNULL( &cnbva[0] ) ) {
2073                 ch_free( cnbva[0].bv_val );
2074                 BER_BVZERO( &cnbva[0] );
2075         }
2076         if ( !BER_BVISNULL( &scbva[0] ) ) {
2077                 ch_free( scbva[0].bv_val );
2078                 BER_BVZERO( &scbva[0] );
2079         }
2080
2081         if ( mlnext->sml_next ) {
2082                 slap_mods_free( mlnext->sml_next );
2083                 mlnext->sml_next = NULL;
2084         }
2085
2086         for (ml = modlist ; ml != NULL; ml = mlnext ) {
2087                 mlnext = ml->sml_next;
2088                 free( ml );
2089         }
2090
2091         return;
2092 }
2093
2094 int
2095 syncrepl_isupdate( Operation *op )
2096 {
2097         return ( syncrepl_isupdate_dn( op->o_bd, &op->o_ndn ));
2098 }
2099
2100 int
2101 syncrepl_isupdate_dn(
2102         Backend*                be,
2103         struct berval*  ndn )
2104 {
2105         syncinfo_t*     si;
2106         int                     ret = 0;
2107
2108         if ( !LDAP_STAILQ_EMPTY( &be->be_syncinfo )) {
2109                 LDAP_STAILQ_FOREACH( si, &be->be_syncinfo, si_next ) {
2110                         if ( ( ret = dn_match( &si->si_updatedn, ndn ) ) ) {
2111                                 return ret;
2112                         }
2113                 }
2114         }
2115         return 0;
2116 }
2117
2118 static int
2119 dn_callback(
2120         Operation*      op,
2121         SlapReply*      rs )
2122 {
2123         dninfo *dni = op->o_callback->sc_private;
2124
2125         if ( rs->sr_type == REP_SEARCH ) {
2126                 if ( !BER_BVISNULL( &dni->dn ) ) {
2127                         Debug( LDAP_DEBUG_ANY,
2128                                 "dn_callback : consistency error - "
2129                                 "entryUUID is not unique\n", 0, 0, 0 );
2130                 } else {
2131                         ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
2132                         ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
2133                         /* If there is a new entry, see if it differs from the old.
2134                          * We compare the non-normalized values so that cosmetic changes
2135                          * in the provider are always propagated.
2136                          */
2137                         if ( dni->new_entry ) {
2138                                 Attribute *old, *new;
2139                                 int i;
2140
2141                                 /* Did the DN change? Note that we don't explicitly try to
2142                                  * discover if the deleteOldRdn argument applies here. It
2143                                  * would save an unnecessary Modify if we detected it, but
2144                                  * that's a fair amount of trouble to compare the two attr
2145                                  * lists in detail.
2146                                  */
2147                                 if ( !dn_match( &rs->sr_entry->e_name,
2148                                                 &dni->new_entry->e_name ) )
2149                                 {
2150                                         dni->renamed = 1;
2151                                 }
2152
2153                                 for ( i = 0, old = rs->sr_entry->e_attrs;
2154                                                 old;
2155                                                 i++, old = old->a_next )
2156                                         ;
2157
2158                                 dni->attrs = i;
2159
2160                                 /* We assume that attributes are saved in the same order
2161                                  * in the remote and local databases. So if we walk through
2162                                  * the attributeDescriptions one by one they should match in
2163                                  * lock step. If not, we signal a change. Otherwise we test
2164                                  * all the values...
2165                                  */
2166                                 for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
2167                                                 old && new;
2168                                                 old = old->a_next, new = new->a_next )
2169                                 {
2170                                         if ( old->a_desc != new->a_desc ) {
2171                                                 dni->wasChanged = 1;
2172                                                 break;
2173                                         }
2174                                         for ( i = 0; ; i++ ) {
2175                                                 int nold, nnew;
2176                                                 nold = BER_BVISNULL( &old->a_vals[i] );
2177                                                 nnew = BER_BVISNULL( &new->a_vals[i] );
2178                                                 /* If both are empty, stop looking */
2179                                                 if ( nold && nnew ) {
2180                                                         break;
2181                                                 }
2182                                                 /* If they are different, stop looking */
2183                                                 if ( nold != nnew ) {
2184                                                         dni->wasChanged = 1;
2185                                                         break;
2186                                                 }
2187                                                 if ( ber_bvcmp( &old->a_vals[i], &new->a_vals[i] )) {
2188                                                         dni->wasChanged = 1;
2189                                                         break;
2190                                                 }
2191                                         }
2192                                         if ( dni->wasChanged ) break;
2193                                 }
2194                                 if ( dni->wasChanged ) {
2195                                         dni->ads = op->o_tmpalloc( dni->attrs *
2196                                                 sizeof(AttributeDescription *), op->o_tmpmemctx );
2197                                         i = 0;
2198                                         for ( old = rs->sr_entry->e_attrs; old; old = old->a_next ) {
2199                                                 dni->ads[i] = old->a_desc;
2200                                                 i++;
2201                                         }
2202                                 }
2203                         }
2204                 }
2205         } else if ( rs->sr_type == REP_RESULT ) {
2206                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
2207                         Debug( LDAP_DEBUG_ANY,
2208                                 "dn_callback : consistency error - "
2209                                 "entryUUID is not unique\n", 0, 0, 0 );
2210                 }
2211         }
2212
2213         return LDAP_SUCCESS;
2214 }
2215
2216 static int
2217 nonpresent_callback(
2218         Operation*      op,
2219         SlapReply*      rs )
2220 {
2221         syncinfo_t *si = op->o_callback->sc_private;
2222         Attribute *a;
2223         int count = 0;
2224         struct berval* present_uuid = NULL;
2225         struct nonpresent_entry *np_entry;
2226
2227         if ( rs->sr_type == REP_RESULT ) {
2228                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
2229                 si->si_presentlist = NULL;
2230
2231         } else if ( rs->sr_type == REP_SEARCH ) {
2232                 if ( !(si->si_refreshDelete & NP_DELETE_ONE )) {
2233                         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
2234
2235                         if ( a == NULL ) return 0;
2236
2237                         present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
2238                                 syncuuid_cmp );
2239                 }
2240
2241                 if ( present_uuid == NULL ) {
2242                         np_entry = (struct nonpresent_entry *)
2243                                 ch_calloc( 1, sizeof( struct nonpresent_entry ));
2244                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
2245                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
2246                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
2247
2248                 } else {
2249                         avl_delete( &si->si_presentlist,
2250                                         &a->a_nvals[0], syncuuid_cmp );
2251                         ch_free( present_uuid->bv_val );
2252                         ch_free( present_uuid );
2253                 }
2254         }
2255         return LDAP_SUCCESS;
2256 }
2257
2258 static int
2259 null_callback(
2260         Operation*      op,
2261         SlapReply*      rs )
2262 {
2263         if ( rs->sr_err != LDAP_SUCCESS &&
2264                 rs->sr_err != LDAP_REFERRAL &&
2265                 rs->sr_err != LDAP_ALREADY_EXISTS &&
2266                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
2267                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
2268         {
2269                 Debug( LDAP_DEBUG_ANY,
2270                         "null_callback : error code 0x%x\n",
2271                         rs->sr_err, 0, 0 );
2272         }
2273         return LDAP_SUCCESS;
2274 }
2275
2276 Entry *
2277 slap_create_syncrepl_entry(
2278         Backend *be,
2279         struct berval *context_csn,
2280         struct berval *rdn,
2281         struct berval *cn )
2282 {
2283         Entry* e;
2284
2285         struct berval bv;
2286
2287         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
2288
2289         attr_merge( e, slap_schema.si_ad_objectClass, ocbva, NULL );
2290
2291         attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
2292                 &ocbva[1], NULL );
2293
2294         attr_merge_one( e, slap_schema.si_ad_cn, cn, NULL );
2295
2296         if ( context_csn ) {
2297                 attr_merge_one( e, slap_schema.si_ad_syncreplCookie,
2298                         context_csn, NULL );
2299         }
2300
2301         BER_BVSTR( &bv, "{}" );
2302         attr_merge_one( e, slap_schema.si_ad_subtreeSpecification, &bv, NULL );
2303
2304         build_new_dn( &e->e_name, &be->be_nsuffix[0], rdn, NULL );
2305         ber_dupbv( &e->e_nname, &e->e_name );
2306
2307         return e;
2308 }
2309
2310 struct berval *
2311 slap_uuidstr_from_normalized(
2312         struct berval* uuidstr,
2313         struct berval* normalized,
2314         void *ctx )
2315 {
2316         struct berval *new;
2317         unsigned char nibble;
2318         int i, d = 0;
2319
2320         if ( normalized == NULL ) return NULL;
2321         if ( normalized->bv_len != 16 ) return NULL;
2322
2323         if ( uuidstr ) {
2324                 new = uuidstr;
2325         } else {
2326                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
2327                 if ( new == NULL ) {
2328                         return NULL;
2329                 }
2330         }
2331
2332         new->bv_len = 36;
2333
2334         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
2335                 if ( new != uuidstr ) {
2336                         slap_sl_free( new, ctx );
2337                 }
2338                 return NULL;
2339         }
2340
2341         for ( i = 0; i < 16; i++ ) {
2342                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
2343                         new->bv_val[(i<<1)+d] = '-';
2344                         d += 1;
2345                 }
2346
2347                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
2348                 if ( nibble < 10 ) {
2349                         new->bv_val[(i<<1)+d] = nibble + '0';
2350                 } else {
2351                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
2352                 }
2353
2354                 nibble = (normalized->bv_val[i]) & 0xF;
2355                 if ( nibble < 10 ) {
2356                         new->bv_val[(i<<1)+d+1] = nibble + '0';
2357                 } else {
2358                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
2359                 }
2360         }
2361
2362         new->bv_val[new->bv_len] = '\0';
2363         return new;
2364 }
2365
2366 static int
2367 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
2368 {
2369         const struct berval *uuid1 = v_uuid1;
2370         const struct berval *uuid2 = v_uuid2;
2371         int rc = uuid1->bv_len - uuid2->bv_len;
2372         if ( rc ) return rc;
2373         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
2374 }
2375
2376 static void
2377 avl_ber_bvfree( void *v_bv )
2378 {
2379         struct berval   *bv = (struct berval *)v_bv;
2380
2381         if( v_bv == NULL ) return;
2382         if ( !BER_BVISNULL( bv ) ) {
2383                 ch_free( bv->bv_val );
2384         }
2385         ch_free( (char *) bv );
2386 }
2387
2388 void
2389 syncinfo_free( syncinfo_t *sie )
2390 {
2391         if ( sie->si_provideruri ) {
2392                 ch_free( sie->si_provideruri );
2393         }
2394         if ( sie->si_provideruri_bv ) {
2395                 ber_bvarray_free( sie->si_provideruri_bv );
2396         }
2397         if ( sie->si_updatedn.bv_val ) {
2398                 ch_free( sie->si_updatedn.bv_val );
2399         }
2400         if ( sie->si_binddn ) {
2401                 ch_free( sie->si_binddn );
2402         }
2403         if ( sie->si_passwd ) {
2404                 ch_free( sie->si_passwd );
2405         }
2406         if ( sie->si_saslmech ) {
2407                 ch_free( sie->si_saslmech );
2408         }
2409         if ( sie->si_secprops ) {
2410                 ch_free( sie->si_secprops );
2411         }
2412         if ( sie->si_realm ) {
2413                 ch_free( sie->si_realm );
2414         }
2415         if ( sie->si_authcId ) {
2416                 ch_free( sie->si_authcId );
2417         }
2418         if ( sie->si_authzId ) {
2419                 ch_free( sie->si_authzId );
2420         }
2421         if ( sie->si_filterstr.bv_val ) {
2422                 ch_free( sie->si_filterstr.bv_val );
2423         }
2424         if ( sie->si_base.bv_val ) {
2425                 ch_free( sie->si_base.bv_val );
2426         }
2427         if ( sie->si_attrs ) {
2428                 int i = 0;
2429                 while ( sie->si_attrs[i] != NULL ) {
2430                         ch_free( sie->si_attrs[i] );
2431                         i++;
2432                 }
2433                 ch_free( sie->si_attrs );
2434         }
2435         if ( sie->si_exattrs ) {
2436                 int i = 0;
2437                 while ( sie->si_exattrs[i] != NULL ) {
2438                         ch_free( sie->si_exattrs[i] );
2439                         i++;
2440                 }
2441                 ch_free( sie->si_exattrs );
2442         }
2443         if ( sie->si_anlist ) {
2444                 int i = 0;
2445                 while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
2446                         ch_free( sie->si_anlist[i].an_name.bv_val );
2447                         i++;
2448                 }
2449                 ch_free( sie->si_anlist );
2450         }
2451         if ( sie->si_exanlist ) {
2452                 int i = 0;
2453                 while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
2454                         ch_free( sie->si_exanlist[i].an_name.bv_val );
2455                         i++;
2456                 }
2457                 ch_free( sie->si_exanlist );
2458         }
2459         if ( sie->si_retryinterval ) {
2460                 ch_free( sie->si_retryinterval );
2461         }
2462         if ( sie->si_retrynum ) {
2463                 ch_free( sie->si_retrynum );
2464         }
2465         if ( sie->si_retrynum_init ) {
2466                 ch_free( sie->si_retrynum_init );
2467         }
2468         slap_sync_cookie_free( &sie->si_syncCookie, 0 );
2469         if ( sie->si_presentlist ) {
2470             avl_free( sie->si_presentlist, avl_ber_bvfree );
2471         }
2472         if ( sie->si_ld ) {
2473                 ldap_ld_free( sie->si_ld, 1, NULL, NULL );
2474         }
2475         while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist )) {
2476                 struct nonpresent_entry* npe;
2477                 npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
2478                 LDAP_LIST_REMOVE( npe, npe_link );
2479                 if ( npe->npe_name ) {
2480                         if ( npe->npe_name->bv_val ) {
2481                                 ch_free( npe->npe_name->bv_val );
2482                         }
2483                         ch_free( npe->npe_name );
2484                 }
2485                 if ( npe->npe_nname ) {
2486                         if ( npe->npe_nname->bv_val ) {
2487                                 ch_free( npe->npe_nname->bv_val );
2488                         }
2489                         ch_free( npe->npe_nname );
2490                 }
2491                 ch_free( npe );
2492         }
2493         ch_free( sie );
2494 }