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

   1 /* $OpenLDAP$ */
   2 /*
   3  * Replication Engine which uses the LDAP Sync protocol
   4  */
   5 /* Copyright (c) 2003 by International Business Machines, Inc.
   6  *
   7  * International Business Machines, Inc. (hereinafter called IBM) grants
   8  * permission under its copyrights to use, copy, modify, and distribute this
   9  * Software with or without fee, provided that the above copyright notice and
  10  * all paragraphs of this notice appear in all copies, and that the name of IBM
  11  * not be used in connection with the marketing of any product incorporating
  12  * the Software or modifications thereof, without specific, written prior
  13  * permission.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
  16  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  17  * PARTICULAR PURPOSE.  IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
  18  * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
  19  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
  20  * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
  21  */
  22
  23 #include "portable.h"
  24
  25 #include <stdio.h>
  26
  27 #include <ac/string.h>
  28 #include <ac/socket.h>
  29 #include <db.h>
  30
  31 #include "ldap_pvt.h"
  32 #include "lutil.h"
  33 #include "slap.h"
  34 #include "lutil_ldap.h"
  35
  36 #ifdef LDAP_SYNCREPL
  37
  38 #include "ldap_rq.h"
  39
  40 static void
  41 syncrepl_del_nonpresent( syncinfo_t *, LDAP *, Operation * );
  42
  43 static void
  44 syncrepl_add_glue( syncinfo_t *, LDAP *, Operation*, Entry*, Modifications*,
  45                                    int, struct berval*, struct berval* );
  46
  47 static int
  48 slap_mods_check_syncrepl( syncinfo_t *, Operation *, Modifications **,
  49                           const char **, char *, size_t, void *ctx );
  50
  51 static int
  52 slap_mods_opattrs_syncrepl( syncinfo_t *, Operation *, Modifications *,
  53                                                         Modifications **, const char **, char *, size_t );
  54
  55 static int
  56 slap_mods2entry_syncrepl( syncinfo_t *, Modifications *, Entry **, int,
  57                                                   const char **, char *, size_t );
  58
  59 /* callback functions */
  60 static int cookie_callback( struct slap_op *, struct slap_rep * );
  61 static int dn_callback( struct slap_op *, struct slap_rep * );
  62 static int nonpresent_callback( struct slap_op *, struct slap_rep * );
  63 static int null_callback( struct slap_op *, struct slap_rep * );
  64
  65 static AttributeDescription **add_descs;
  66 static AttributeDescription **add_descs_lastmod;
  67 static AttributeDescription **del_descs;
  68 static AttributeDescription **del_descs_lastmod;
  69
  70 struct runqueue_s syncrepl_rq;
  71
  72 void
  73 init_syncrepl()
  74 {
  75         add_descs = ch_malloc( 2 * sizeof( AttributeDescription * ));
  76         add_descs[0] = slap_schema.si_ad_objectClass;
  77         add_descs[1] = NULL;
  78
  79         add_descs_lastmod = ch_malloc( 7 * sizeof( AttributeDescription * ));
  80         add_descs_lastmod[0] = slap_schema.si_ad_objectClass;
  81         add_descs_lastmod[1] = slap_schema.si_ad_creatorsName;
  82         add_descs_lastmod[2] = slap_schema.si_ad_modifiersName;
  83         add_descs_lastmod[3] = slap_schema.si_ad_createTimestamp;
  84         add_descs_lastmod[4] = slap_schema.si_ad_modifyTimestamp;
  85         add_descs_lastmod[5] = slap_schema.si_ad_entryCSN;
  86         add_descs_lastmod[6] = NULL;
  87
  88         del_descs = ch_malloc( 9 * sizeof( AttributeDescription * ));
  89         del_descs[0] = slap_schema.si_ad_structuralObjectClass;
  90         del_descs[1] = slap_schema.si_ad_subschemaSubentry;
  91         del_descs[2] = slap_schema.si_ad_hasSubordinates;
  92         del_descs[3] = slap_schema.si_ad_creatorsName;
  93         del_descs[4] = slap_schema.si_ad_modifiersName;
  94         del_descs[5] = slap_schema.si_ad_createTimestamp;
  95         del_descs[6] = slap_schema.si_ad_modifyTimestamp;
  96         del_descs[7] = slap_schema.si_ad_entryCSN;
  97         del_descs[8] = NULL;
  98
  99         del_descs_lastmod = ch_malloc( 4 * sizeof( AttributeDescription * ));
 100         del_descs_lastmod[0] = slap_schema.si_ad_structuralObjectClass;
 101         del_descs_lastmod[1] = slap_schema.si_ad_subschemaSubentry;
 102         del_descs_lastmod[2] = slap_schema.si_ad_hasSubordinates;
 103         del_descs_lastmod[3] = NULL;
 104 }
 105
 106 int
 107 ldap_sync_search(
 108         syncinfo_t *si,
 109         LDAP *ld,
 110         LDAPControl **sctrls,
 111         LDAPControl **cctrls,
 112         int *msgidp )
 113 {
 114         BerElement      *ber;
 115         int timelimit;
 116         ber_int_t id;
 117
 118         int rc;
 119         BerElement      *sync_ber = NULL;
 120         struct berval *sync_bvalp = NULL;
 121         LDAPControl c[2];
 122         LDAPControl **ctrls;
 123         int err;
 124         struct timeval timeout;
 125
 126     /* setup LDAP SYNC control */
 127     sync_ber = ber_alloc_t( LBER_USE_DER );
 128     ber_set_option( sync_ber, LBER_OPT_BER_MEMCTX, NULL );
 129
 130     if ( si->syncCookie ) {
 131         ber_printf( sync_ber, "{eO}", abs(si->type), si->syncCookie );
 132     } else {
 133         ber_printf( sync_ber, "{e}", abs(si->type) );
 134     }
 135
 136     if ( ber_flatten( sync_ber, &sync_bvalp ) == LBER_ERROR ) {
 137         ber_free( sync_ber, 1 );
 138         return LBER_ERROR;
 139     }
 140     ber_free( sync_ber, 1 );
 141
 142     ctrls = (LDAPControl**) sl_calloc( 3, sizeof(LDAPControl*), NULL );
 143
 144     c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 145     c[0].ldctl_value = (*sync_bvalp);
 146     c[0].ldctl_iscritical = si->type < 0;
 147     ctrls[0] = &c[0];
 148
 149     if ( si->authzId ) {
 150         c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 151         c[1].ldctl_value.bv_val = si->authzId;
 152         c[1].ldctl_value.bv_len = strlen( si->authzId );
 153         c[1].ldctl_iscritical = 1;
 154         ctrls[1] = &c[1];
 155     } else {
 156         ctrls[1] = NULL;
 157     }
 158
 159     ctrls[2] = NULL;
 160
 161     err = ldap_set_option( ld, LDAP_OPT_SERVER_CONTROLS, ctrls );
 162
 163     ber_bvfree( sync_bvalp );
 164     ch_free( ctrls );
 165
 166     if ( err != LDAP_OPT_SUCCESS )
 167         fprintf( stderr, "Could not set controls : %d\n", err );
 168
 169         timeout.tv_sec = si->tlimit > 0 ? si->tlimit : 1;
 170
 171         rc = ldap_search_ext( ld, si->base, si->scope, si->filterstr,
 172                                                   si->attrs, si->attrsonly, sctrls, cctrls,
 173                                                   si->tlimit < 0 ? NULL : &timeout,
 174                                                   si->slimit, msgidp );
 175
 176         return rc;
 177 }
 178
 179 void *
 180 do_syncrepl(
 181         void    *ctx,
 182         void    *arg )
 183 {
 184         struct re_s* rtask = arg;
 185         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
 186         Backend *be = si->be;
 187
 188         SlapReply       rs = {REP_RESULT};
 189
 190         LDAPControl     c[2];
 191         LDAPControl     **sctrls = NULL;
 192         LDAPControl     **rctrls = NULL;
 193         LDAPControl     *rctrlp = NULL;
 194         BerElement      *sync_ber = NULL;
 195         struct berval   *sync_bvalp = NULL;
 196
 197         BerElement      *ctrl_ber = NULL;
 198         BerElement      *res_ber = NULL;
 199
 200         LDAP    *ld = NULL;
 201         LDAPMessage     *res = NULL;
 202         LDAPMessage     *msg = NULL;
 203
 204         ber_int_t       msgid;
 205
 206         int             nresponses, nreferences, nextended, npartial;
 207         int             nresponses_psearch;
 208
 209         int             cancel_msgid = -1;
 210         char            *retoid = NULL;
 211         struct berval   *retdata = NULL;
 212
 213         int             sync_info_arrived = 0;
 214         Entry           *entry = NULL;
 215
 216         int             syncstate;
 217         struct berval   syncUUID = { 0, NULL };
 218         struct berval   syncCookie = { 0, NULL };
 219
 220         int     rc;
 221         int     err;
 222         ber_len_t       len;
 223         int     syncinfo_arrived = 0;
 224         int     cancel_response = 0;
 225
 226         char **tmp = NULL;
 227         AttributeDescription** descs = NULL;
 228
 229         Connection conn;
 230         Operation op = {0};
 231         slap_callback   cb;
 232
 233         void *memctx = NULL;
 234         ber_len_t memsiz;
 235
 236         int i, j, k, n;
 237         int rc_efree;
 238
 239         struct berval base_bv = { 0, NULL };
 240         struct berval pbase = { 0, NULL };
 241         struct berval nbase = { 0, NULL };
 242         struct berval sub_bv = { 0, NULL };
 243         struct berval psubrdn = { 0, NULL };
 244         struct berval nsubrdn = { 0, NULL };
 245         struct berval psub = { 0, NULL };
 246         struct berval nsub = { 0, NULL };
 247         char substr[64];
 248         Modifications   *modlist = NULL;
 249         Modifications   *ml, *mlnext;
 250         char *def_filter_str = NULL;
 251
 252 #ifdef NEW_LOGGING
 253         LDAP_LOG ( OPERATION, DETAIL1, "do_syncrepl\n", 0, 0, 0 );
 254 #else
 255         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl\n", 0, 0, 0 );
 256 #endif
 257
 258         if ( si == NULL )
 259                 return NULL;
 260
 261         if ( abs(si->type) != LDAP_SYNC_REFRESH_ONLY &&
 262              abs(si->type) != LDAP_SYNC_REFRESH_AND_PERSIST ) {
 263                 return NULL;
 264         }
 265
 266         /* Init connection to master */
 267
 268         rc = ldap_initialize( &ld, si->masteruri );
 269         if ( rc != LDAP_SUCCESS ) {
 270 #ifdef NEW_LOGGING
 271                 LDAP_LOG( OPERATION, ERR, "do_syncrepl: "
 272                         "ldap_initialize failed (%s)\n",
 273                         si->masteruri, 0, 0 );
 274 #else
 275                 Debug( LDAP_DEBUG_ANY, "do_syncrepl: "
 276                         "ldap_initialize failed (%s)\n",
 277                         si->masteruri, 0, 0 );
 278 #endif
 279         }
 280
 281         op.o_protocol = LDAP_VERSION3;
 282         ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &op.o_protocol );
 283
 284         /* Bind to master */
 285
 286         if ( si->tls ) {
 287                 rc = ldap_start_tls_s( ld, NULL, NULL );
 288                 if( rc != LDAP_SUCCESS ) {
 289 #ifdef NEW_LOGGING
 290                         LDAP_LOG ( OPERATION, ERR, "do_syncrepl: "
 291                                 "%s: ldap_start_tls failed (%d)\n",
 292                                 si->tls == TLS_CRITICAL ? "Error" : "Warning",
 293                                 rc, 0 );
 294 #else
 295                         Debug( LDAP_DEBUG_ANY,
 296                                 "%s: ldap_start_tls failed (%d)\n",
 297                                 si->tls == TLS_CRITICAL ? "Error" : "Warning",
 298                                 rc, 0 );
 299 #endif
 300                         if( si->tls == TLS_CRITICAL )
 301                                 return NULL;
 302                 }
 303         }
 304
 305         if ( si->bindmethod == LDAP_AUTH_SASL ) {
 306 #ifdef HAVE_CYRUS_SASL
 307                 void *defaults;
 308
 309                 if ( si->secprops != NULL ) {
 310                         int err = ldap_set_option( ld,
 311                                         LDAP_OPT_X_SASL_SECPROPS, si->secprops);
 312
 313                         if( err != LDAP_OPT_SUCCESS ) {
 314 #ifdef NEW_LOGGING
 315                                 LDAP_LOG ( OPERATION, ERR, "do_bind: Error: "
 316                                         "ldap_set_option(%s,SECPROPS,\"%s\") failed!\n",
 317                                         si->masteruri, si->secprops, 0 );
 318 #else
 319                                 Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
 320                                         "(%s,SECPROPS,\"%s\") failed!\n",
 321                                         si->masteruri, si->secprops, NULL );
 322 #endif
 323                                 return NULL;
 324                         }
 325                 }
 326
 327                 defaults = lutil_sasl_defaults( ld,
 328                                 si->saslmech,
 329                                 si->realm,
 330                                 si->authcId,
 331                                 si->passwd,
 332                                 si->authzId );
 333
 334                 rc = ldap_sasl_interactive_bind_s( ld,
 335                                 si->binddn,
 336                                 si->saslmech,
 337                                 NULL, NULL,
 338                                 LDAP_SASL_AUTOMATIC,
 339                                 lutil_sasl_interact,
 340                                 defaults );
 341
 342                 if ( rc != LDAP_SUCCESS ) {
 343 #ifdef NEW_LOGGING
 344                         LDAP_LOG ( OPERATION, ERR, "do_syncrepl: "
 345                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 346                                 rc, 0, 0 );
 347 #else
 348                         Debug( LDAP_DEBUG_ANY, "do_syncrepl: "
 349                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 350                                 rc, 0, 0 );
 351 #endif
 352                         return NULL;
 353                 }
 354 #else /* HAVE_CYRUS_SASL */
 355                 fprintf( stderr, "not compiled with SASL support\n" );
 356                 return NULL;
 357 #endif
 358         } else {
 359                 rc = ldap_bind_s( ld, si->binddn, si->passwd, si->bindmethod );
 360                 if ( rc != LDAP_SUCCESS ) {
 361 #ifdef NEW_LOGGING
 362                         LDAP_LOG ( OPERATION, ERR, "do_syncrepl: "
 363                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 364 #else
 365                         Debug( LDAP_DEBUG_ANY, "do_syncrepl: "
 366                                 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
 367 #endif
 368                         return NULL;
 369                 }
 370         }
 371
 372         /* set thread context in syncinfo */
 373         si->ctx = ctx;
 374
 375         /* set memory context */
 376 #define SLAB_SIZE 1048576
 377         memsiz = SLAB_SIZE;
 378         memctx = sl_mem_create( memsiz, ctx );
 379         op.o_tmpmemctx = memctx;
 380         op.o_tmpmfuncs = &sl_mfuncs;
 381
 382         op.o_tag = LDAP_REQ_SEARCH;
 383         op.o_dn = si->updatedn;
 384         op.o_ndn = si->updatedn;
 385         op.o_callback = &cb;
 386         op.o_time = slap_get_time();
 387         op.o_managedsait = 1;
 388         op.o_threadctx = si->ctx;
 389         op.o_bd = be;
 390         op.o_conn = &conn;
 391         op.o_connid = op.o_conn->c_connid;
 392         op.ors_scope = LDAP_SCOPE_BASE;
 393         op.ors_deref = LDAP_DEREF_NEVER;
 394         op.ors_slimit = 0;
 395         op.ors_tlimit = 0;
 396         op.ors_attrsonly = 0;
 397         op.ors_attrs = NULL;
 398         op.ors_filter = str2filter( def_filter_str = "(objectClass=*)" );
 399         ber_str2bv( def_filter_str, strlen( def_filter_str ), 1,
 400                                 &op.ors_filterstr );
 401
 402         si->conn = &conn;
 403         conn.c_send_ldap_result = slap_send_ldap_result;
 404         conn.c_send_search_entry = slap_send_search_entry;
 405         conn.c_send_search_reference = slap_send_search_reference;
 406
 407         /* get syncrepl cookie of shadow replica from subentry */
 408         ber_str2bv( si->base, strlen(si->base), 1, &base_bv );
 409         dnPrettyNormal( 0, &base_bv, &pbase, &nbase, op.o_tmpmemctx );
 410
 411         sprintf( substr, "cn=syncrepl%d", si->id );
 412         ber_str2bv( substr, strlen(substr), 1, &sub_bv );
 413         dnPrettyNormal( 0, &sub_bv, &psubrdn, &nsubrdn, op.o_tmpmemctx );
 414
 415         build_new_dn( &op.o_req_dn, &pbase, &psubrdn );
 416         build_new_dn( &op.o_req_ndn, &nbase, &nsubrdn );
 417
 418         ch_free( base_bv.bv_val );
 419         ch_free( pbase.bv_val );
 420         ch_free( nbase.bv_val );
 421         ch_free( sub_bv.bv_val );
 422         ch_free( psubrdn.bv_val );
 423         ch_free( nsubrdn.bv_val );
 424
 425         /* set callback function */
 426         cb.sc_response = cookie_callback;
 427         cb.sc_private = si;
 428
 429         /* search subentry to retrieve cookie */
 430         si->syncCookie = NULL;
 431         be->be_search( &op, &rs );
 432
 433         ch_free( op.o_req_dn.bv_val );
 434         ch_free( op.o_req_ndn.bv_val );
 435         filter_free( op.ors_filter );
 436         ch_free( op.ors_filterstr.bv_val );
 437
 438         psub = be->be_nsuffix[0];
 439
 440         /* Delete Attributes */
 441         if ( si->lastmod == LASTMOD_REQ ) {
 442                 descs = del_descs_lastmod;
 443         } else {
 444                 descs = del_descs;
 445         }
 446
 447         for ( i = 0; descs[i] != NULL; i++ ) {
 448                 for ( j = 0; si->attrs[j] != NULL; j++ ) {
 449                         if ( !strcmp( si->attrs[j], descs[i]->ad_cname.bv_val )) {
 450                                 ch_free( si->attrs[j] );
 451                                 for ( k = j; si->attrs[k] != NULL; k++ ) {
 452                                         si->attrs[k] = si->attrs[k+1];
 453                                 }
 454                         }
 455                 }
 456         }
 457
 458         /* Add Attributes */
 459
 460         for ( n = 0; si->attrs[ n ] != NULL; n++ ) ;
 461
 462         if ( si->lastmod == LASTMOD_REQ ) {
 463                 descs = add_descs_lastmod;
 464         } else {
 465                 descs = add_descs;
 466         }
 467
 468         for ( i = 0; descs[i] != NULL; i++ ) {
 469                 tmp = ( char ** ) ch_realloc( si->attrs,
 470                                 ( n + 2 ) * sizeof( char * ));
 471                 if ( tmp == NULL ) {
 472 #ifdef NEW_LOGGING
 473                         LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
 474 #else
 475                         Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
 476 #endif
 477                 }
 478                 si->attrs = tmp;
 479                 si->attrs[ n++ ] = ch_strdup ( descs[i]->ad_cname.bv_val );
 480                 si->attrs[ n ] = NULL;
 481         }
 482
 483         rc = ldap_sync_search( si, ld, NULL, NULL, &msgid );
 484         if( rc != LDAP_SUCCESS ) {
 485                 fprintf( stderr, "syncrepl: ldap_search_ext: %s (%d)\n",
 486                                                         ldap_err2string( rc ), rc );
 487                 return NULL;
 488         }
 489
 490         while (( rc = ldap_result( ld, LDAP_RES_ANY, LDAP_MSG_ONE, NULL, &res )) > 0 ) {
 491
 492                 for ( msg = ldap_first_message( ld, res );
 493                       msg != NULL;
 494                       msg = ldap_next_message( ld, msg ) )
 495                 {
 496                         switch( ldap_msgtype( msg ) ) {
 497                         case LDAP_RES_SEARCH_ENTRY:
 498                                 entry = syncrepl_message_to_entry( si, ld, &op, msg,
 499                                         &modlist, &syncstate, &syncUUID, &syncCookie );
 500                                 rc_efree = syncrepl_entry( si, ld, &op, entry, modlist,
 501                                                 syncstate, &syncUUID, &syncCookie, !syncinfo_arrived );
 502                                 if ( syncCookie.bv_len ) {
 503                                         syncrepl_updateCookie( si, ld, &op, &psub, &syncCookie );
 504                                 }
 505                                 if ( rc_efree )
 506                                         entry_free( entry );
 507                                 for ( ml = modlist; ml != NULL; ml = mlnext ) {
 508                                         mlnext = ml->sml_next;
 509                                         ber_memfree( ml );
 510                                 }
 511                                 break;
 512
 513                         case LDAP_RES_SEARCH_REFERENCE:
 514 #ifdef NEW_LOGGING
 515                                 LDAP_LOG( OPERATION, ERR,
 516                                         "do_syncrepl : reference received\n", 0, 0, 0 );
 517 #else
 518                                 Debug( LDAP_DEBUG_ANY,
 519                                         "do_syncrepl : reference received\n", 0, 0, 0 );
 520 #endif
 521                                 break;
 522
 523                         case LDAP_RES_SEARCH_RESULT:
 524                                 ldap_parse_result( ld, msg, &err, NULL, NULL, NULL, &rctrls, 0 );
 525                                 if ( rctrls ) {
 526                                         rctrlp = *rctrls;
 527                                         ctrl_ber = ber_alloc_t( LBER_USE_DER );
 528                                         ber_set_option( ctrl_ber, LBER_OPT_BER_MEMCTX, &op.o_tmpmemctx );
 529                                         ber_write( ctrl_ber, rctrlp->ldctl_value.bv_val, rctrlp->ldctl_value.bv_len, 0 );
 530                                         ber_reset( ctrl_ber, 1 );
 531
 532                                         ber_scanf( ctrl_ber, "{" /*"}"*/);
 533                                         if ( ber_peek_tag( ctrl_ber, &len )
 534                                                 == LDAP_SYNC_TAG_COOKIE ) {
 535                                                 ber_scanf( ctrl_ber, "o", &syncCookie );
 536                                         }
 537                                 }
 538                                 if (si->type == LDAP_SYNC_REFRESH_AND_PERSIST) {
 539                                         if ( cancel_response ) {
 540                                                 if ( syncCookie.bv_len ) {
 541                                                         syncrepl_updateCookie( si, ld, &op, &psub, &syncCookie );
 542                                                 }
 543                                                 if ( ctrl_ber )
 544                                                         ber_free( ctrl_ber, 1 );
 545                                                 goto done;
 546                                         }
 547                                         else {
 548                                                 if ( ctrl_ber )
 549                                                         ber_free( ctrl_ber, 1 );
 550                                                 break;
 551                                         }
 552                                 } else {
 553                                         if ( syncCookie.bv_len ) {
 554                                                 syncrepl_updateCookie( si, ld, &op, &psub, &syncCookie);
 555                                         }
 556                                         syncrepl_del_nonpresent( si, ld, &op );
 557                                         if ( ctrl_ber )
 558                                                 ber_free( ctrl_ber, 1 );
 559                                         goto done;
 560                                 }
 561                                 break;
 562
 563                         case LDAP_RES_INTERMEDIATE:
 564                                 rc = ldap_parse_intermediate( ld, msg,
 565                                         &retoid, &retdata, NULL, 0 );
 566                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 567                                         sync_info_arrived = 1;
 568                                         res_ber = ber_init( retdata );
 569                                         ber_scanf( res_ber, "{e" /*"}"*/, &syncstate );
 570
 571                                         if ( syncstate == LDAP_SYNC_REFRESH_DONE ) {
 572                                                 syncrepl_del_nonpresent( si, ld, &op );
 573                                         } else if ( syncstate != LDAP_SYNC_NEW_COOKIE ) {
 574 #ifdef NEW_LOGGING
 575                                                 LDAP_LOG( OPERATION, ERR,
 576                                                         "do_syncrepl : unknown sync info\n", 0, 0, 0 );
 577 #else
 578                                                 Debug( LDAP_DEBUG_ANY,
 579                                                         "do_syncrepl : unknown sync info\n", 0, 0, 0 );
 580 #endif
 581                                         }
 582
 583                                         if ( ber_peek_tag( res_ber, &len )
 584                                                                 == LDAP_SYNC_TAG_COOKIE ) {
 585                                                 ber_scanf( res_ber, /*"{"*/ "o}", &syncCookie );
 586                                                 if ( syncCookie.bv_len ) {
 587                                                         syncrepl_updateCookie( si, ld, &op, &psub, &syncCookie);
 588                                                 }
 589                                         } else {
 590                                                 if ( syncstate == LDAP_SYNC_NEW_COOKIE ) {
 591 #ifdef NEW_LOGGING
 592                                                         LDAP_LOG( OPERATION, ERR,
 593                                                                 "do_syncrepl : cookie required\n", 0, 0, 0 );
 594 #else
 595                                                         Debug( LDAP_DEBUG_ANY,
 596                                                                 "do_syncrepl : cookie required\n", 0, 0, 0 );
 597 #endif
 598                                                 }
 599                                         }
 600
 601                                         ldap_memfree( retoid );
 602                                         ber_bvfree( retdata );
 603                                         ber_free( res_ber, 1 );
 604                                         break;
 605                                 } else {
 606 #ifdef NEW_LOGGING
 607                                         LDAP_LOG( OPERATION, ERR,"do_syncrepl :"
 608                                                 " unknown intermediate "
 609                                                 "response\n", 0, 0, 0 );
 610 #else
 611                                         Debug( LDAP_DEBUG_ANY, "do_syncrepl : "
 612                                                 "unknown intermediate response (%d)\n",
 613                                                 rc, 0, 0 );
 614 #endif
 615                                         ldap_memfree( retoid );
 616                                         ber_bvfree( retdata );
 617                                         break;
 618                                 }
 619                                 break;
 620                         default:
 621 #ifdef NEW_LOGGING
 622                                 LDAP_LOG( OPERATION, ERR, "do_syncrepl : "
 623                                         "unknown message\n", 0, 0, 0 );
 624 #else
 625                                 Debug( LDAP_DEBUG_ANY, "do_syncrepl : "
 626                                         "unknown message\n", 0, 0, 0 );
 627 #endif
 628                                 break;
 629
 630                         }
 631                 }
 632                 ldap_msgfree( res );
 633         }
 634
 635         if ( rc == -1 ) {
 636 #ifdef NEW_LOGGING
 637                 LDAP_LOG( OPERATION, ERR,
 638                         "do_syncrepl : unknown result\n", 0, 0, 0 );
 639 #else
 640                 Debug( LDAP_DEBUG_ANY,
 641                         "do_syncrepl : unknown result\n", 0, 0, 0 );
 642 #endif
 643         }
 644
 645 done:
 646         if ( syncCookie.bv_val )
 647                 ch_free( syncCookie.bv_val );
 648         if ( syncUUID.bv_val )
 649                 ch_free( syncUUID.bv_val );
 650
 651         if ( res )
 652                 ldap_msgfree( res );
 653         ldap_unbind( ld );
 654
 655         ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
 656         ldap_pvt_runqueue_stoptask( &syncrepl_rq, rtask );
 657         if ( si->type == LDAP_SYNC_REFRESH_ONLY ) {
 658                 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
 659         } else {
 660                 ldap_pvt_runqueue_remove( &syncrepl_rq, rtask );
 661         }
 662         ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
 663
 664         return NULL;
 665 }
 666
 667 Entry*
 668 syncrepl_message_to_entry(
 669         syncinfo_t      *si,
 670         LDAP            *ld,
 671         Operation       *op,
 672         LDAPMessage     *msg,
 673         Modifications   **modlist,
 674         int             *syncstate,
 675         struct berval   *syncUUID,
 676         struct berval   *syncCookie
 677 )
 678 {
 679         Entry           *e;
 680         BerElement      *ber = NULL;
 681         BerElement      *tmpber;
 682         struct berval   bv = {0, NULL};
 683         Modifications   tmp;
 684         Modifications   *mod;
 685         Modifications   **modtail = modlist;
 686         Backend         *be = op->o_bd;
 687
 688         const char      *text;
 689         char txtbuf[SLAP_TEXT_BUFLEN];
 690         size_t textlen = sizeof txtbuf;
 691
 692         struct berval   **bvals = NULL;
 693         char            *dn;
 694         struct berval   bdn = {0, NULL};
 695         Attribute       *attr;
 696         struct berval   empty_bv = { 0, NULL };
 697         int             rc;
 698         char            *a;
 699
 700         ber_len_t       len;
 701         LDAPControl*    rctrlp;
 702         LDAPControl**   rctrls = NULL;
 703         BerElement*     ctrl_ber;
 704
 705         ber_tag_t       tag;
 706
 707         *modlist = NULL;
 708
 709         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
 710 #ifdef NEW_LOGGING
 711                 LDAP_LOG( OPERATION, ERR,
 712                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
 713 #else
 714                 Debug( LDAP_DEBUG_ANY,
 715                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
 716 #endif
 717                 return NULL;
 718         }
 719
 720         op->o_tag = LDAP_REQ_ADD;
 721
 722         rc = ldap_get_dn_ber( ld, msg, &ber, &bdn );
 723
 724         if ( rc != LDAP_SUCCESS ) {
 725 #ifdef NEW_LOGGING
 726                 LDAP_LOG( OPERATION, ERR,
 727                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
 728 #else
 729                 Debug( LDAP_DEBUG_ANY,
 730                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
 731 #endif
 732                 return NULL;
 733         }
 734
 735         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
 736         dnPrettyNormal( NULL, &bdn, &e->e_name, &e->e_nname, NULL );
 737
 738         e->e_attrs = NULL;
 739
 740         while ( ber_remaining( ber ) ) {
 741                 tag = ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values );
 742
 743                 if ( tag == LBER_ERROR ) break;
 744                 if ( tmp.sml_type.bv_val == NULL ) break;
 745
 746                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ));
 747
 748                 mod->sml_op = LDAP_MOD_REPLACE;
 749                 mod->sml_next = NULL;
 750                 mod->sml_desc = NULL;
 751                 mod->sml_type = tmp.sml_type;
 752                 mod->sml_bvalues = tmp.sml_bvalues;
 753                 mod->sml_nvalues = tmp.sml_bvalues;
 754
 755                 *modtail = mod;
 756                 modtail = &mod->sml_next;
 757         }
 758
 759         if ( ber_scanf( ber, "}") == LBER_ERROR ) {
 760 #ifdef NEW_LOGGING
 761                 LDAP_LOG( OPERATION, ERR,
 762                                 "syncrepl_message_to_entry: ber_scanf failed\n", 0, 0, 0 );
 763 #else
 764                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: ber_scanf failed\n",
 765                                 0, 0, 0 );
 766 #endif
 767                 return NULL;
 768         }
 769
 770         ber_free( ber, 0 );
 771         tmpber = ldap_get_message_ber( msg );
 772         ber = ber_dup( tmpber );
 773
 774         ber_scanf( ber, "{xx" );
 775
 776         rc = ldap_int_get_controls( ber, &rctrls );
 777
 778         if ( rc != LDAP_SUCCESS ) {
 779 #ifdef NEW_LOGGING
 780                 LDAP_LOG( OPERATION, ERR,
 781                         "syncrepl_message_to_entry : control get failed (%d)", rc, 0, 0 );
 782 #else
 783                 Debug( LDAP_DEBUG_ANY,
 784                         "syncrepl_message_to_entry : control get failed (%d)", rc, 0, 0 );
 785 #endif
 786                 return NULL;
 787         }
 788
 789         if ( rctrls ) {
 790                 rctrlp = *rctrls;
 791                 ctrl_ber = ber_alloc_t( LBER_USE_DER );
 792                 ber_set_option( ctrl_ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 793                 ber_write( ctrl_ber, rctrlp->ldctl_value.bv_val, rctrlp->ldctl_value.bv_len, 0 );
 794                 ber_reset( ctrl_ber, 1 );
 795                 ber_scanf( ctrl_ber, "{eo", syncstate, syncUUID );
 796                 if ( ber_peek_tag( ctrl_ber, &len ) == LDAP_SYNC_TAG_COOKIE ) {
 797                         ber_scanf( ctrl_ber, "o}", syncCookie );
 798                 }
 799                 ber_free( ctrl_ber, 1 );
 800         } else {
 801 #ifdef NEW_LOGGING
 802                 LDAP_LOG( OPERATION, ERR,"syncrepl_message_to_entry : "
 803                         " rctrls absent\n", 0, 0, 0 );
 804 #else
 805                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry :"
 806                         " rctrls absent\n", 0, 0, 0 );
 807 #endif
 808         }
 809
 810         if ( *syncstate == LDAP_SYNC_PRESENT ) {
 811                 e = NULL;
 812                 goto done;
 813         } else if ( *syncstate == LDAP_SYNC_DELETE ) {
 814                 goto done;
 815         }
 816
 817         if ( *modlist == NULL ) {
 818 #ifdef NEW_LOGGING
 819                 LDAP_LOG( OPERATION, ERR,
 820                                 "syncrepl_message_to_entry: no attributes\n", 0, 0, 0 );
 821 #else
 822                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: no attributes\n",
 823                                 0, 0, 0 );
 824 #endif
 825         }
 826
 827         rc = slap_mods_check_syncrepl( si, op, modlist,
 828                                                                    &text, txtbuf, textlen, NULL );
 829
 830         if ( rc != LDAP_SUCCESS ) {
 831 #ifdef NEW_LOGGING
 832                 LDAP_LOG( OPERATION, ERR,
 833                                 "syncrepl_message_to_entry: mods check (%s)\n", text, 0, 0 );
 834 #else
 835                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods check (%s)\n",
 836                                 text, 0, 0 );
 837 #endif
 838                 return NULL;
 839         }
 840
 841         rc = slap_mods_opattrs_syncrepl( si, op, *modlist, modtail,
 842                                                                          &text,txtbuf, textlen );
 843
 844         if( rc != LDAP_SUCCESS ) {
 845 #ifdef NEW_LOGGING
 846                 LDAP_LOG( OPERATION, ERR,
 847                                 "syncrepl_message_to_entry: mods opattrs (%s)\n", text, 0, 0 );
 848 #else
 849                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods opattrs (%s)\n",
 850                                 text, 0, 0 );
 851 #endif
 852                 return NULL;
 853         }
 854
 855         rc = slap_mods2entry_syncrepl( si, *modlist, &e, 1, &text, txtbuf, textlen);
 856         if( rc != LDAP_SUCCESS ) {
 857 #ifdef NEW_LOGGING
 858                 LDAP_LOG( OPERATION, ERR,
 859                                 "syncrepl_message_to_entry: mods2entry (%s)\n", text, 0, 0 );
 860 #else
 861                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods2entry (%s)\n",
 862                                 text, 0, 0 );
 863 #endif
 864         }
 865
 866 done:
 867
 868         ber_free ( ber, 0 );
 869
 870         return e;
 871 }
 872
 873 int
 874 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
 875 {
 876         const struct berval *uuid1 = v_uuid1;
 877         const struct berval *uuid2 = v_uuid2;
 878         int rc = uuid1->bv_len - uuid2->bv_len;
 879         if ( rc ) return rc;
 880         return ( strcmp( uuid1->bv_val, uuid2->bv_val ) );
 881 }
 882
 883 int
 884 syncrepl_entry(
 885         syncinfo_t* si,
 886         LDAP *ld,
 887         Operation *op,
 888         Entry* e,
 889         Modifications* modlist,
 890         int syncstate,
 891         struct berval* syncUUID,
 892         struct berval* syncCookie,
 893         int refresh
 894 )
 895 {
 896         Backend *be = op->o_bd;
 897         slap_callback   cb;
 898         struct berval   csn_bv = {0, NULL};
 899         struct berval   *syncuuid_bv = NULL;
 900         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 901
 902         SlapReply       rs = {REP_RESULT};
 903         int rc = LDAP_SUCCESS;
 904
 905         struct berval base_bv = {0, NULL};
 906
 907         char *filterstr;
 908         Filter *filter;
 909
 910         Attribute *a;
 911
 912         if ( refresh &&
 913                         ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD )) {
 914                 syncuuid_bv = ber_dupbv( NULL, syncUUID );
 915                 avl_insert( &si->presentlist, (caddr_t) syncuuid_bv,
 916                                                 syncuuid_cmp, avl_dup_error );
 917         }
 918
 919         if ( syncstate == LDAP_SYNC_PRESENT ) {
 920                 if ( e )
 921                         return 1;
 922                 else
 923                         return 0;
 924         }
 925
 926         filterstr = (char *) sl_malloc( strlen("entryUUID=") + syncUUID->bv_len + 1,
 927                                                                         op->o_tmpmemctx );
 928         strcpy( filterstr, "entryUUID=" );
 929         strcat( filterstr, syncUUID->bv_val );
 930
 931         si->e = e;
 932         si->syncUUID = syncUUID;
 933         si->syncUUID_ndn = NULL;
 934
 935         filter = str2filter( filterstr );
 936         ber_str2bv( filterstr, strlen(filterstr), 1, &op->ors_filterstr );
 937         ch_free( filterstr );
 938         op->ors_filter = filter;
 939         op->ors_scope = LDAP_SCOPE_SUBTREE;
 940
 941         /* get syncrepl cookie of shadow replica from subentry */
 942         ber_str2bv( si->base, strlen(si->base), 1, &base_bv );
 943         dnPrettyNormal( 0, &base_bv, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
 944         ch_free( base_bv.bv_val );
 945
 946         /* set callback function */
 947         op->o_callback = &cb;
 948         cb.sc_response = dn_callback;
 949         cb.sc_private = si;
 950
 951         be->be_search( op, &rs );
 952
 953         ch_free( op->o_req_dn.bv_val );
 954         ch_free( op->o_req_ndn.bv_val );
 955         filter_free( op->ors_filter );
 956         ch_free( op->ors_filterstr.bv_val );
 957
 958         cb.sc_response = null_callback;
 959         cb.sc_private = si;
 960
 961         rc = LDAP_SUCCESS;
 962
 963         if ( si->syncUUID_ndn ) {
 964                 op->o_req_dn = *si->syncUUID_ndn;
 965                 op->o_req_ndn = *si->syncUUID_ndn;
 966                 op->o_tag = LDAP_REQ_DELETE;
 967                 rc = be->be_delete( op, &rs );
 968         }
 969
 970         switch ( syncstate ) {
 971         case LDAP_SYNC_ADD :
 972         case LDAP_SYNC_MODIFY :
 973
 974                 if ( rc == LDAP_SUCCESS ||
 975                          rc == LDAP_REFERRAL ||
 976                          rc == LDAP_NO_SUCH_OBJECT ) {
 977
 978                         if ( !attr_find( e->e_attrs, slap_schema.si_ad_entryUUID )) {
 979                                 attr_merge_one( e, slap_schema.si_ad_entryUUID, syncUUID, syncUUID );
 980                         }
 981
 982                         op->o_tag = LDAP_REQ_ADD;
 983                         op->ora_e = e;
 984                         op->o_req_dn = e->e_name;
 985                         op->o_req_ndn = e->e_nname;
 986                         rc = be->be_add( op, &rs );
 987
 988                         if ( rc != LDAP_SUCCESS ) {
 989                                 if ( rc == LDAP_ALREADY_EXISTS ) {
 990                                         op->o_tag = LDAP_REQ_MODIFY;
 991                                         op->orm_modlist = modlist;
 992                                         op->o_req_dn = e->e_name;
 993                                         op->o_req_ndn = e->e_nname;
 994                                         rc = be->be_modify( op, &rs );
 995                                 } else if ( rc == LDAP_REFERRAL ||
 996                                                         rc == LDAP_NO_SUCH_OBJECT ) {
 997                                         syncrepl_add_glue( si, ld, op, e,
 998                                                 modlist, syncstate,
 999                                                 syncUUID, syncCookie);
1000                                 } else {
1001 #ifdef NEW_LOGGING
1002                                         LDAP_LOG( OPERATION, ERR,
1003                                                 "be_modify failed (%d)\n",
1004                                                 rc, 0, 0 );
1005 #else
1006                                         Debug( LDAP_DEBUG_ANY,
1007                                                 "be_modify failed (%d)\n",
1008                                                 rc, 0, 0 );
1009 #endif
1010                                 }
1011                         } else {
1012                                 return 0;
1013                         }
1014                 } else {
1015 #ifdef NEW_LOGGING
1016                         LDAP_LOG( OPERATION, ERR,
1017                                 "be_modify/be_delete failed (%d)\n", rc, 0, 0 );
1018 #else
1019                         Debug( LDAP_DEBUG_ANY,
1020                                 "be_modify/be_delete failed (%d)\n", rc, 0, 0 );
1021 #endif
1022                 }
1023
1024                 si->e = NULL;
1025                 return 1;
1026
1027         case LDAP_SYNC_DELETE :
1028                 /* Already deleted */
1029                 return 1;
1030
1031         default :
1032 #ifdef NEW_LOGGING
1033                 LDAP_LOG( OPERATION, ERR,
1034                         "unknown syncstate\n", 0, 0, 0 );
1035 #else
1036                 Debug( LDAP_DEBUG_ANY,
1037                         "unknown syncstate\n", 0, 0, 0 );
1038 #endif
1039                 return 1;
1040         }
1041 }
1042
1043 static void
1044 syncrepl_del_nonpresent(
1045         syncinfo_t *si,
1046         LDAP *ld,
1047         Operation *op
1048 )
1049 {
1050         Backend* be = op->o_bd;
1051         slap_callback   cb;
1052         struct berval   base_bv = {0, NULL};
1053         Filter *filter;
1054         SlapReply       rs = {REP_RESULT};
1055         struct berval   filterstr_bv = {0, NULL};
1056         struct nonpresent_entry *np_list, *np_prev;
1057
1058         ber_str2bv( si->base, strlen(si->base), 1, &base_bv );
1059         dnPrettyNormal(0, &base_bv, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
1060         ch_free( base_bv.bv_val );
1061
1062         filter = str2filter( si->filterstr );
1063
1064         cb.sc_response = nonpresent_callback;
1065         cb.sc_private = si;
1066
1067         op->o_callback = &cb;
1068         op->o_tag = LDAP_REQ_SEARCH;
1069         op->ors_scope = si->scope;
1070         op->ors_deref = LDAP_DEREF_NEVER;
1071         op->ors_slimit = 0;
1072         op->ors_tlimit = 0;
1073         op->ors_attrsonly = 0;
1074         op->ors_attrs = NULL;
1075         op->ors_filter = filter;
1076         ber_str2bv( si->filterstr, strlen( si->filterstr ), 1, &op->ors_filterstr );
1077
1078         be->be_search( op, &rs );
1079
1080         if ( !LDAP_LIST_EMPTY( &si->nonpresentlist ) ) {
1081                 np_list = LDAP_LIST_FIRST( &si->nonpresentlist );
1082                 while ( np_list != NULL ) {
1083                         LDAP_LIST_REMOVE( np_list, np_link );
1084                         np_prev = np_list;
1085                         np_list = LDAP_LIST_NEXT( np_list, np_link );
1086                         op->o_tag = LDAP_REQ_DELETE;
1087                         op->o_callback = &cb;
1088                         cb.sc_response = null_callback;
1089                         cb.sc_private = si;
1090                         op->o_req_dn = *np_prev->dn;
1091                         op->o_req_ndn = *np_prev->ndn;
1092                         op->o_bd->be_delete( op, &rs );
1093                         ber_bvfree( np_prev->dn );
1094                         ber_bvfree( np_prev->ndn );
1095                         op->o_req_dn.bv_val = NULL;
1096                         op->o_req_ndn.bv_val = NULL;
1097                         ch_free( np_prev );
1098                 }
1099         }
1100
1101         if ( op->o_req_dn.bv_val )
1102                 ch_free( op->o_req_dn.bv_val );
1103         if ( op->o_req_ndn.bv_val )
1104                 ch_free( op->o_req_ndn.bv_val );
1105         filter_free( op->ors_filter );
1106         ch_free( op->ors_filterstr.bv_val );
1107
1108         return;
1109 }
1110
1111
1112 static void
1113 syncrepl_add_glue(
1114         syncinfo_t *si,
1115         LDAP *ld,
1116         Operation* op,
1117         Entry *e,
1118         Modifications* modlist,
1119         int syncstate,
1120         struct berval* syncUUID,
1121         struct berval* syncCookie
1122 )
1123 {
1124         Backend *be = op->o_bd;
1125         struct berval   uuid_bv = {0, NULL};
1126         slap_callback cb;
1127         Attribute       *a;
1128         int     rc;
1129         char    uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
1130         int levels = 0;
1131         int i, j, k;
1132         struct berval dn = {0, NULL};
1133         struct berval pdn = {0, NULL};
1134         struct berval ndn = {0, NULL};
1135         struct berval rdn = {0, NULL};
1136         Entry   *glue;
1137         SlapReply       rs = {REP_RESULT};
1138         Connection *conn = op->o_conn;
1139
1140         op->o_tag = LDAP_REQ_ADD;
1141         op->o_callback = &cb;
1142         cb.sc_response = null_callback;
1143         cb.sc_private = si;
1144
1145         ber_dupbv( &dn, &e->e_nname );
1146         ber_dupbv( &pdn, &e->e_nname );
1147
1148         while ( !be_issuffix ( be, &pdn )) {
1149                 dnParent( &dn, &pdn );
1150                 ch_free( dn.bv_val );
1151                 ber_dupbv( &dn, &pdn );
1152                 levels++;
1153         }
1154
1155         for ( i = 0; i <= levels; i++ ) {
1156                 glue = (Entry*) ch_calloc( 1, sizeof(Entry) );
1157                 ch_free( dn.bv_val );
1158                 ch_free( pdn.bv_val );
1159                 ber_dupbv( &dn, &e->e_nname );
1160                 ber_dupbv( &pdn, &e->e_nname );
1161                 j = levels - i;
1162                 for ( k = 0; k < j; k++ ) {
1163                         dnParent( &dn, &pdn );
1164                         ch_free( dn.bv_val );
1165                         ber_dupbv( &dn, &pdn );
1166                 }
1167
1168                 dnPrettyNormal( 0, &dn, &pdn, &ndn, op->o_tmpmemctx );
1169                 ber_dupbv( &glue->e_name, &pdn );
1170                 ber_dupbv( &glue->e_nname, &ndn );
1171                 ch_free( dn.bv_val );
1172                 ch_free( pdn.bv_val );
1173                 ch_free( ndn.bv_val );
1174
1175                 a = ch_calloc( 1, sizeof( Attribute ));
1176                 a->a_desc = slap_schema.si_ad_objectClass;
1177                 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
1178                 ber_str2bv( "top", strlen("top"), 1, &a->a_vals[0] );
1179                 ber_str2bv( "glue", strlen("glue"), 1, &a->a_vals[1] );
1180                 a->a_vals[2].bv_len = 0;
1181                 a->a_vals[2].bv_val = NULL;
1182                 a->a_next = glue->e_attrs;
1183                 glue->e_attrs = a;
1184
1185                 a = ch_calloc( 1, sizeof( Attribute ));
1186                 a->a_desc = slap_schema.si_ad_structuralObjectClass;
1187                 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
1188                 ber_str2bv( "glue", strlen("glue"), 1, &a->a_vals[0] );
1189                 a->a_vals[1].bv_len = 0;
1190                 a->a_vals[1].bv_val = NULL;
1191                 a->a_next = glue->e_attrs;
1192                 glue->e_attrs = a;
1193
1194                 if ( !strcmp( e->e_nname.bv_val, glue->e_nname.bv_val )) {
1195                         op->o_req_dn = e->e_name;
1196                         op->o_req_ndn = e->e_nname;
1197                         op->ora_e = e;
1198                         rc = be->be_add ( op, &rs );
1199                         if ( rc == LDAP_SUCCESS )
1200                                 be_entry_release_w( op, e );
1201                         else
1202                                 entry_free( e );
1203                         entry_free( glue );
1204                 } else {
1205                         op->o_req_dn = glue->e_name;
1206                         op->o_req_ndn = glue->e_nname;
1207                         op->ora_e = glue;
1208                         rc = be->be_add ( op, &rs );
1209                         if ( rc == LDAP_SUCCESS ) {
1210                                 be_entry_release_w( op, glue );
1211                         } else {
1212                         /* incl. ALREADY EXIST */
1213                                 entry_free( glue );
1214                         }
1215                 }
1216         }
1217
1218         return;
1219 }
1220
1221 void
1222 syncrepl_updateCookie(
1223         syncinfo_t *si,
1224         LDAP *ld,
1225         Operation *op,
1226         struct berval *pdn,
1227         struct berval *syncCookie
1228 )
1229 {
1230         Backend *be = op->o_bd;
1231         Modifications *ml;
1232         Modifications *mlnext;
1233         Modifications *mod;
1234         Modifications *modlist;
1235         Modifications **modtail = &modlist;
1236
1237         struct berval* ocbva = NULL;
1238         struct berval* cnbva = NULL;
1239         struct berval* ssbva = NULL;
1240         struct berval* scbva = NULL;
1241
1242         char substr[64];
1243         char rdnstr[67];
1244         const char      *text;
1245         char txtbuf[SLAP_TEXT_BUFLEN];
1246         size_t textlen = sizeof txtbuf;
1247
1248         Entry* e;
1249         int rc;
1250
1251         struct berval sub_bv = { 0, NULL };
1252         struct berval psubrdn = { 0, NULL };
1253
1254         slap_callback cb;
1255         SlapReply       rs = {REP_RESULT};
1256
1257         ocbva = ( struct berval * ) ch_calloc( 4, sizeof( struct berval ));
1258         cnbva = ( struct berval * ) ch_calloc( 2, sizeof( struct berval ));
1259         ssbva = ( struct berval * ) ch_calloc( 2, sizeof( struct berval ));
1260         scbva = ( struct berval * ) ch_calloc( 2, sizeof( struct berval ));
1261
1262         /* update in memory cookie */
1263         if ( si->syncCookie != NULL ) {
1264                 ber_bvfree( si->syncCookie );
1265         }
1266         si->syncCookie = ber_dupbv( NULL, syncCookie );
1267         ber_str2bv( "top", strlen("top"), 1, &ocbva[0] );
1268         ber_str2bv( "subentry", strlen("subentry"), 1, &ocbva[1] );
1269         ber_str2bv( "syncConsumerSubentry",
1270                         strlen("syncConsumerSubentry"), 1, &ocbva[2] );
1271         ocbva[3].bv_len = 0;
1272         ocbva[3].bv_val = NULL;
1273
1274         mod = (Modifications *) ch_malloc( sizeof( Modifications ));
1275         mod->sml_op = LDAP_MOD_REPLACE;
1276         mod->sml_next = NULL;
1277         mod->sml_desc = NULL;
1278         ber_str2bv( "objectClass", strlen("objectClass"), 1, &mod->sml_type );
1279         mod->sml_bvalues = ocbva;
1280         mod->sml_nvalues = ocbva;
1281         *modtail = mod;
1282         modtail = &mod->sml_next;
1283
1284         sprintf( substr, "syncrepl%d", si->id );
1285         sprintf( rdnstr, "cn=%s", substr );
1286         ber_str2bv( substr, strlen( substr ), 1, &cnbva[0] );
1287         ber_str2bv( rdnstr, strlen( rdnstr ), 1, &psubrdn );
1288         cnbva[1].bv_len = 0;
1289         cnbva[1].bv_val = NULL;
1290         mod = (Modifications *) ch_malloc( sizeof( Modifications ));
1291         mod->sml_op = LDAP_MOD_REPLACE;
1292         mod->sml_next = NULL;
1293         mod->sml_desc = NULL;
1294         ber_str2bv( "cn", strlen("cn"), 1, &mod->sml_type );
1295         mod->sml_bvalues = cnbva;
1296         mod->sml_nvalues = cnbva;
1297         *modtail = mod;
1298         modtail = &mod->sml_next;
1299
1300         ber_dupbv( &scbva[0], si->syncCookie );
1301         scbva[1].bv_len = 0;
1302         scbva[1].bv_val = NULL;
1303         mod = (Modifications *) ch_malloc( sizeof( Modifications ));
1304         mod->sml_op = LDAP_MOD_REPLACE;
1305         mod->sml_next = NULL;
1306         mod->sml_desc = NULL;
1307         ber_str2bv( "syncreplCookie", strlen("syncreplCookie"),
1308                                                 1, &mod->sml_type );
1309         mod->sml_bvalues = scbva;
1310         mod->sml_nvalues = scbva;
1311         *modtail = mod;
1312         modtail = &mod->sml_next;
1313
1314         ber_str2bv( "{}", strlen("{}"), 1, &ssbva[0] );
1315         ssbva[1].bv_len = 0;
1316         ssbva[1].bv_val = NULL;
1317         mod = (Modifications *) ch_malloc( sizeof( Modifications ));
1318         mod->sml_op = LDAP_MOD_REPLACE;
1319         mod->sml_next = NULL;
1320         mod->sml_desc = NULL;
1321         ber_str2bv( "subtreeSpecification",
1322                         strlen("subtreeSpecification"), 1, &mod->sml_type );
1323         mod->sml_bvalues = ssbva;
1324         mod->sml_nvalues = ssbva;
1325         *modtail = mod;
1326         modtail = &mod->sml_next;
1327
1328         rc = slap_mods_check_syncrepl( si, op, &modlist,
1329                                                                    &text, txtbuf, textlen, NULL );
1330
1331         if ( rc != LDAP_SUCCESS ) {
1332 #ifdef NEW_LOGGING
1333                 LDAP_LOG( OPERATION, ERR,
1334                                 "syncrepl_updateCookie: mods check (%s)\n", text, 0, 0 );
1335 #else
1336                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods check (%s)\n",
1337                          text, 0, 0 );
1338 #endif
1339         }
1340
1341         op->o_tag = LDAP_REQ_ADD;
1342         rc = slap_mods_opattrs_syncrepl( si, op, modlist, modtail,
1343                                                                          &text,txtbuf, textlen );
1344
1345         if( rc != LDAP_SUCCESS ) {
1346 #ifdef NEW_LOGGING
1347                 LDAP_LOG( OPERATION, ERR,
1348                                 "syncrepl_updateCookie: mods opattrs (%s)\n", text, 0, 0 );
1349 #else
1350                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods opattrs (%s)\n",
1351                          text, 0, 0 );
1352 #endif
1353         }
1354
1355         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1356
1357         build_new_dn( &sub_bv, pdn, &psubrdn );
1358         dnPrettyNormal( NULL, &sub_bv, &e->e_name, &e->e_nname, NULL );
1359         ch_free( sub_bv.bv_val );
1360         ch_free( psubrdn.bv_val );
1361
1362         e->e_attrs = NULL;
1363
1364         rc = slap_mods2entry_syncrepl( si, modlist, &e, 1, &text, txtbuf, textlen );
1365
1366         if( rc != LDAP_SUCCESS ) {
1367 #ifdef NEW_LOGGING
1368                 LDAP_LOG( OPERATION, ERR,
1369                                 "syncrepl_updateCookie: mods2entry (%s)\n", text, 0, 0 );
1370 #else
1371                 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods2entry (%s)\n",
1372                          text, 0, 0 );
1373 #endif
1374         }
1375
1376         cb.sc_response = null_callback;
1377         cb.sc_private = si;
1378
1379         op->o_callback = &cb;
1380         op->o_req_dn = e->e_name;
1381         op->o_req_ndn = e->e_nname;
1382
1383         /* update persistent cookie */
1384 update_cookie_retry:
1385         op->o_tag = LDAP_REQ_MODIFY;
1386         op->orm_modlist = modlist;
1387         rc = be->be_modify( op, &rs );
1388         if ( rc != LDAP_SUCCESS ) {
1389                 if ( rc == LDAP_REFERRAL ||
1390                          rc == LDAP_NO_SUCH_OBJECT ) {
1391                         op->o_tag = LDAP_REQ_ADD;
1392                         op->ora_e = e;
1393                         rc = be->be_add( op, &rs );
1394                         if ( rc != LDAP_SUCCESS ) {
1395                                 if ( rc == LDAP_ALREADY_EXISTS ) {
1396                                         goto update_cookie_retry;
1397                                 } else if ( rc == LDAP_REFERRAL ||
1398                                                         rc == LDAP_NO_SUCH_OBJECT ) {
1399 #ifdef NEW_LOGGING
1400                                         LDAP_LOG( OPERATION, ERR,
1401                                                 "cookie will be non-persistent\n",
1402                                                 0, 0, 0 );
1403 #else
1404                                         Debug( LDAP_DEBUG_ANY,
1405                                                 "cookie will be non-persistent\n",
1406                                                 0, 0, 0 );
1407 #endif
1408                                 } else {
1409 #ifdef NEW_LOGGING
1410                                         LDAP_LOG( OPERATION, ERR,
1411                                                 "be_add failed (%d)\n",
1412                                                 rc, 0, 0 );
1413 #else
1414                                         Debug( LDAP_DEBUG_ANY,
1415                                                 "be_add failed (%d)\n",
1416                                                 rc, 0, 0 );
1417 #endif
1418                                 }
1419                         } else {
1420                                 goto done;
1421                         }
1422                 } else {
1423 #ifdef NEW_LOGGING
1424                         LDAP_LOG( OPERATION, ERR,
1425                                 "be_modify failed (%d)\n", rc, 0, 0 );
1426 #else
1427                         Debug( LDAP_DEBUG_ANY,
1428                                 "be_modify failed (%d)\n", rc, 0, 0 );
1429 #endif
1430                 }
1431         }
1432
1433         if ( e != NULL )
1434                 entry_free( e );
1435
1436 done :
1437
1438         for ( ml = modlist; ml != NULL; ml = mlnext ) {
1439                 mlnext = ml->sml_next;
1440                 free( ml );
1441         }
1442
1443         return;
1444 }
1445
1446
1447 static
1448 int slap_mods_check_syncrepl(
1449         syncinfo_t* si,
1450         Operation *op,
1451         Modifications **mlp,
1452         const char **text,
1453         char *textbuf,
1454         size_t textlen,
1455         void *ctx )
1456 {
1457         int rc;
1458         Backend *be = op->o_bd;
1459         AttributeDescription** descs;
1460         int i;
1461         Modifications *prevml = NULL;
1462         Modifications *nextml = NULL;
1463         Modifications *ml = *mlp;
1464
1465         while ( ml != NULL ) {
1466                 AttributeDescription *ad = NULL;
1467
1468                 /* convert to attribute description */
1469                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
1470
1471                 if( rc != LDAP_SUCCESS ) {
1472                         snprintf( textbuf, textlen, "%s: %s",
1473                                                 ml->sml_type.bv_val, *text );
1474                         *text = textbuf;
1475                         return rc;
1476                 }
1477
1478                 ad = ml->sml_desc;
1479
1480                 if ( si->lastmod == LASTMOD_REQ ) {
1481                         descs = del_descs_lastmod;
1482                 } else {
1483                         descs = del_descs;
1484                 }
1485
1486                 for ( i = 0; descs[i] != NULL; i++ ) {
1487                         if ( ad == descs[i] ) {
1488                                 if ( prevml == NULL ) {
1489                                         mlp = &ml->sml_next;
1490                                         prevml = NULL;
1491                                 } else {
1492                                         prevml->sml_next = ml->sml_next;
1493                                 }
1494                                 slap_mod_free( &ml->sml_mod, 0 );
1495                                 nextml = ml->sml_next;
1496                                 free( ml );
1497                                 ml = nextml;
1498                                 continue;
1499                         }
1500                 }
1501
1502                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
1503                                 && !slap_ad_is_binary( ad )) {
1504                         /* attribute requires binary transfer */
1505                         snprintf( textbuf, textlen,
1506                                         "%s: requires ;binary transfer",
1507                                         ml->sml_type.bv_val );
1508                         *text = textbuf;
1509                         return LDAP_UNDEFINED_TYPE;
1510                 }
1511
1512                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
1513                                         && slap_ad_is_binary( ad )) {
1514                         /* attribute requires binary transfer */
1515                         snprintf( textbuf, textlen,
1516                                         "%s: disallows ;binary transfer",
1517                                         ml->sml_type.bv_val );
1518                         *text = textbuf;
1519                         return LDAP_UNDEFINED_TYPE;
1520                 }
1521
1522                 if( slap_ad_is_tag_range( ad )) {
1523                         /* attribute requires binary transfer */
1524                         snprintf( textbuf, textlen,
1525                                         "%s: inappropriate use of tag range option",
1526                                         ml->sml_type.bv_val );
1527                         *text = textbuf;
1528                         return LDAP_UNDEFINED_TYPE;
1529                 }
1530
1531                 if ( is_at_obsolete( ad->ad_type ) &&
1532                                 ( ml->sml_op == LDAP_MOD_ADD || ml->sml_values != NULL ) ) {
1533                         /*
1534                          * attribute is obsolete,
1535                          * only allow replace/delete with no values
1536                          */
1537                         snprintf( textbuf, textlen,
1538                                         "%s: attribute is obsolete",
1539                                         ml->sml_type.bv_val );
1540                         *text = textbuf;
1541                         return LDAP_CONSTRAINT_VIOLATION;
1542                 }
1543
1544                 /*
1545                  * check values
1546                  */
1547                 if( ml->sml_values != NULL ) {
1548                         ber_len_t nvals;
1549                         slap_syntax_validate_func *validate =
1550                         ad->ad_type->sat_syntax->ssyn_validate;
1551                         slap_syntax_transform_func *pretty =
1552                         ad->ad_type->sat_syntax->ssyn_pretty;
1553
1554                         if( !pretty && !validate ) {
1555                                 *text = "no validator for syntax";
1556                                 snprintf( textbuf, textlen,
1557                                                 "%s: no validator for syntax %s",
1558                                                 ml->sml_type.bv_val,
1559                                                 ad->ad_type->sat_syntax->ssyn_oid );
1560                                 *text = textbuf;
1561                                 return LDAP_INVALID_SYNTAX;
1562                         }
1563
1564                         /*
1565                          * check that each value is valid per syntax
1566                          * and pretty if appropriate
1567                          */
1568                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
1569                                 struct berval pval = {0, NULL};
1570                                 if( pretty ) {
1571                                         rc = pretty( ad->ad_type->sat_syntax,
1572                                                         &ml->sml_values[nvals], &pval, ctx );
1573                                 } else {
1574                                         rc = validate( ad->ad_type->sat_syntax,
1575                                                         &ml->sml_values[nvals] );
1576                                 }
1577
1578                                 if( rc != 0 ) {
1579                                         snprintf( textbuf, textlen,
1580                                                         "%s: value #%ld invalid per syntax",
1581                                                         ml->sml_type.bv_val, (long) nvals );
1582                                         *text = textbuf;
1583                                         return LDAP_INVALID_SYNTAX;
1584                                 }
1585
1586                                 if( pretty ) {
1587                                         ber_memfree( ml->sml_values[nvals].bv_val );
1588                                         ml->sml_values[nvals] = pval;
1589                                 }
1590                         }
1591
1592                         /*
1593                          * a rough single value check... an additional check is needed
1594                          * to catch add of single value to existing single valued attribute
1595                          */
1596                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
1597                                         && nvals > 1 && is_at_single_value( ad->ad_type )) {
1598                                 snprintf( textbuf, textlen,
1599                                                 "%s: multiple values provided",
1600                                                 ml->sml_type.bv_val );
1601                                 *text = textbuf;
1602                                 return LDAP_CONSTRAINT_VIOLATION;
1603                         }
1604
1605                         if( nvals && ad->ad_type->sat_equality &&
1606                                         ad->ad_type->sat_equality->smr_normalize ) {
1607                                 ml->sml_nvalues = ch_malloc( (nvals+1)*sizeof(struct berval) );
1608                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
1609                                         rc = ad->ad_type->sat_equality->smr_normalize( 0,
1610                                                         ad->ad_type->sat_syntax, ad->ad_type->sat_equality,
1611                                                         &ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
1612                                         if( rc ) {
1613 #ifdef NEW_LOGGING
1614                                                 LDAP_LOG( OPERATION, DETAIL1,
1615                                                                 "str2entry:  NULL (ssyn_normalize %d)\n", rc, 0, 0 );
1616 #else
1617                                                 Debug( LDAP_DEBUG_ANY,
1618                                                                 "<= str2entry NULL (ssyn_normalize %d)\n", rc, 0, 0 );
1619 #endif
1620                                                 snprintf( textbuf, textlen,
1621                                                                 "%s: value #%ld normalization failed",
1622                                                                 ml->sml_type.bv_val, (long) nvals );
1623                                                 *text = textbuf;
1624                                                 return rc;
1625                                         }
1626                                 }
1627                                 ml->sml_nvalues[nvals].bv_val = NULL;
1628                                 ml->sml_nvalues[nvals].bv_len = 0;
1629                         }
1630                 }
1631                 prevml = ml;
1632                 ml = ml->sml_next;
1633         }
1634
1635         return LDAP_SUCCESS;
1636 }
1637
1638 static
1639 int slap_mods_opattrs_syncrepl(
1640         syncinfo_t *si,
1641         Operation *op,
1642         Modifications *mods,
1643         Modifications **modtail,
1644         const char **text,
1645         char *textbuf, size_t textlen )
1646 {
1647         struct berval name = {0, NULL};
1648         struct berval timestamp = {0, NULL};
1649         struct berval csn = {0, NULL};
1650         struct berval nname = {0, NULL};
1651         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
1652         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
1653         Modifications *mod;
1654         Backend *be = op->o_bd;
1655
1656         int mop = LDAP_MOD_REPLACE;
1657
1658         assert( modtail != NULL );
1659         assert( *modtail == NULL );
1660
1661         if( si->lastmod == LASTMOD_GEN ) {
1662                 struct tm *ltm;
1663                 time_t now = slap_get_time();
1664
1665                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
1666                 ltm = gmtime( &now );
1667                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
1668
1669                 csn.bv_len = lutil_csnstr( csnbuf, sizeof( csnbuf ), 0, 0 );
1670                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
1671                 csn.bv_val = csnbuf;
1672
1673                 timestamp.bv_val = timebuf;
1674                 timestamp.bv_len = strlen(timebuf);
1675
1676                 if( op->o_dn.bv_len == 0 ) {
1677                         name.bv_val = SLAPD_ANONYMOUS;
1678                         name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
1679                         nname = name;
1680                 } else {
1681                         name = op->o_dn;
1682                         nname = op->o_ndn;
1683                 }
1684         }
1685
1686         if( op->o_tag == LDAP_REQ_ADD ) {
1687                 struct berval tmpval = {0, NULL};
1688
1689                 if( global_schemacheck ) {
1690                         int rc = mods_structural_class( mods, &tmpval,
1691                                                                         text, textbuf, textlen );
1692                         if( rc != LDAP_SUCCESS ) {
1693                                 return rc;
1694                         }
1695
1696                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1697                         mod->sml_op = mop;
1698                         mod->sml_type.bv_val = NULL;
1699                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
1700                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1701                         ber_dupbv( &mod->sml_values[0], &tmpval );
1702                         mod->sml_values[1].bv_len = 0;
1703                         mod->sml_values[1].bv_val = NULL;
1704                         assert( mod->sml_values[0].bv_val );
1705                         mod->sml_nvalues = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1706                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
1707                         mod->sml_nvalues[1].bv_len = 0;
1708                         mod->sml_nvalues[1].bv_val = NULL;
1709                         assert( mod->sml_nvalues[0].bv_val );
1710                         *modtail = mod;
1711                         modtail = &mod->sml_next;
1712                 }
1713
1714                 if( si->lastmod == LASTMOD_GEN ) {
1715                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1716                         mod->sml_op = mop;
1717                         mod->sml_type.bv_val = NULL;
1718                         mod->sml_desc = slap_schema.si_ad_creatorsName;
1719                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1720                         ber_dupbv( &mod->sml_values[0], &name );
1721                         mod->sml_values[1].bv_len = 0;
1722                         mod->sml_values[1].bv_val = NULL;
1723                         assert( mod->sml_values[0].bv_val );
1724                         mod->sml_nvalues = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1725                         ber_dupbv( &mod->sml_nvalues[0], &nname );
1726                         mod->sml_nvalues[1].bv_len = 0;
1727                         mod->sml_nvalues[1].bv_val = NULL;
1728                         assert( mod->sml_nvalues[0].bv_val );
1729                         *modtail = mod;
1730                         modtail = &mod->sml_next;
1731
1732                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1733                         mod->sml_op = mop;
1734                         mod->sml_type.bv_val = NULL;
1735                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
1736                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1737                         ber_dupbv( &mod->sml_values[0], &timestamp );
1738                         mod->sml_values[1].bv_len = 0;
1739                         mod->sml_values[1].bv_val = NULL;
1740                         assert( mod->sml_values[0].bv_val );
1741                         mod->sml_nvalues = NULL;
1742                         *modtail = mod;
1743                         modtail = &mod->sml_next;
1744                 }
1745         }
1746
1747         if( si->lastmod == LASTMOD_GEN ) {
1748                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1749                 mod->sml_op = mop;
1750                 mod->sml_type.bv_val = NULL;
1751                 mod->sml_desc = slap_schema.si_ad_entryCSN;
1752                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1753                 ber_dupbv( &mod->sml_values[0], &csn );
1754                 mod->sml_values[1].bv_len = 0;
1755                 mod->sml_values[1].bv_val = NULL;
1756                 assert( mod->sml_values[0].bv_val );
1757                 mod->sml_nvalues = NULL;
1758                 *modtail = mod;
1759                 modtail = &mod->sml_next;
1760
1761                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1762                 mod->sml_op = mop;
1763                 mod->sml_type.bv_val = NULL;
1764                 mod->sml_desc = slap_schema.si_ad_modifiersName;
1765                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1766                 ber_dupbv( &mod->sml_values[0], &name );
1767                 mod->sml_values[1].bv_len = 0;
1768                 mod->sml_values[1].bv_val = NULL;
1769                 assert( mod->sml_values[0].bv_val );
1770                 mod->sml_nvalues = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1771                 ber_dupbv( &mod->sml_nvalues[0], &nname );
1772                 mod->sml_nvalues[1].bv_len = 0;
1773                 mod->sml_nvalues[1].bv_val = NULL;
1774                 assert( mod->sml_nvalues[0].bv_val );
1775                 *modtail = mod;
1776                 modtail = &mod->sml_next;
1777
1778                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1779                 mod->sml_op = mop;
1780                 mod->sml_type.bv_val = NULL;
1781                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
1782                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1783                 ber_dupbv( &mod->sml_values[0], &timestamp );
1784                 mod->sml_values[1].bv_len = 0;
1785                 mod->sml_values[1].bv_val = NULL;
1786                 assert( mod->sml_values[0].bv_val );
1787                 mod->sml_nvalues = NULL;
1788                 *modtail = mod;
1789                 modtail = &mod->sml_next;
1790         }
1791
1792         *modtail = NULL;
1793         return LDAP_SUCCESS;
1794 }
1795
1796
1797 static
1798 int slap_mods2entry_syncrepl(
1799         syncinfo_t *si,
1800         Modifications *mods,
1801         Entry **e,
1802         int repl_user,
1803         const char **text,
1804         char *textbuf, size_t textlen )
1805 {
1806         Attribute **tail = &(*e)->e_attrs;
1807         assert( *tail == NULL );
1808
1809         *text = textbuf;
1810
1811         for( ; mods != NULL; mods = mods->sml_next ) {
1812                 Attribute *attr;
1813
1814                 assert( mods->sml_desc != NULL );
1815
1816                 attr = attr_find( (*e)->e_attrs, mods->sml_desc );
1817
1818                 if( attr != NULL ) {
1819 #define SLURPD_FRIENDLY
1820 #ifdef SLURPD_FRIENDLY
1821                         ber_len_t i,j;
1822
1823                         if( !repl_user ) {
1824                                 snprintf( textbuf, textlen,
1825                                         "attribute '%s' provided more than once",
1826                                         mods->sml_desc->ad_cname.bv_val );
1827                                 return LDAP_TYPE_OR_VALUE_EXISTS;
1828                         }
1829
1830                         for( i=0; attr->a_vals[i].bv_val; i++ ) {
1831                                 /* count them */
1832                         }
1833                         for( j=0; mods->sml_values[j].bv_val; j++ ) {
1834                                 /* count them */
1835                         }
1836                         j++;    /* NULL */
1837
1838                         attr->a_vals = ch_realloc( attr->a_vals,
1839                                 sizeof( struct berval ) * (i+j) );
1840
1841                         /* should check for duplicates */
1842
1843                         AC_MEMCPY( &attr->a_vals[i], mods->sml_values,
1844                                 sizeof( struct berval ) * j );
1845
1846                         if( attr->a_nvals ) {
1847                                 attr->a_nvals = ch_realloc( attr->a_nvals,
1848                                         sizeof( struct berval ) * (i+j) );
1849
1850                                 AC_MEMCPY( &attr->a_nvals[i], mods->sml_nvalues,
1851                                         sizeof( struct berval ) * j );
1852
1853                                 /* trim the mods array */
1854                                 ch_free( mods->sml_nvalues );
1855                                 mods->sml_nvalues = NULL;
1856                         }
1857
1858                         continue;
1859 #else
1860                         snprintf( textbuf, textlen,
1861                                 "attribute '%s' provided more than once",
1862                                 mods->sml_desc->ad_cname.bv_val );
1863                         return LDAP_TYPE_OR_VALUE_EXISTS;
1864 #endif
1865                 }
1866
1867                 if( mods->sml_values[1].bv_val != NULL ) {
1868                         /* check for duplicates */
1869                         int             i, j;
1870                         MatchingRule *mr = mods->sml_desc->ad_type->sat_equality;
1871
1872                         /* check if the values we're adding already exist */
1873                         if( mr == NULL || !mr->smr_match ) {
1874                                 for ( i = 0; mods->sml_bvalues[i].bv_val != NULL; i++ ) {
1875                                         /* test asserted values against themselves */
1876                                         for( j = 0; j < i; j++ ) {
1877                                                 if ( bvmatch( &mods->sml_bvalues[i],
1878                                                         &mods->sml_bvalues[j] ) ) {
1879                                                         /* value exists already */
1880                                                         snprintf( textbuf, textlen,
1881                                                                 "%s: value #%d provided more than once",
1882                                                                 mods->sml_desc->ad_cname.bv_val, j );
1883                                                         return LDAP_TYPE_OR_VALUE_EXISTS;
1884                                                 }
1885                                         }
1886                                 }
1887
1888                         } else {
1889                                 int             rc;
1890                                 const char      *text = NULL;
1891                                 char            textbuf[ SLAP_TEXT_BUFLEN ]  = { '\0' };
1892
1893                                 rc = modify_check_duplicates( mods->sml_desc, mr,
1894                                                 NULL, mods->sml_bvalues, 0,
1895                                                 &text, textbuf, sizeof( textbuf ) );
1896
1897                                 if ( rc != LDAP_SUCCESS ) {
1898                                         return rc;
1899                                 }
1900                         }
1901                 }
1902
1903                 attr = ch_calloc( 1, sizeof(Attribute) );
1904
1905                 /* move ad to attr structure */
1906                 attr->a_desc = mods->sml_desc;
1907
1908                 /* move values to attr structure */
1909                 /*      should check for duplicates */
1910                 attr->a_vals = mods->sml_values;
1911
1912                 attr->a_nvals = mods->sml_nvalues;
1913
1914                 *tail = attr;
1915                 tail = &attr->a_next;
1916         }
1917
1918         return LDAP_SUCCESS;
1919 }
1920
1921 void
1922 avl_ber_bvfree( void *bv )
1923 {
1924         if( bv == NULL ) {
1925                 return;
1926         }
1927         if ( ((struct berval *)bv)->bv_val != NULL ) {
1928                 ber_memfree ( ((struct berval *)bv)->bv_val );
1929         }
1930         ber_memfree ( (char *) bv );
1931 }
1932
1933 static int
1934 cookie_callback(
1935         Operation* op,
1936         SlapReply* rs
1937 )
1938 {
1939         syncinfo_t *si = op->o_callback->sc_private;
1940         Attribute *a;
1941
1942         if ( rs->sr_type != REP_SEARCH ) return LDAP_SUCCESS;
1943
1944         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_syncreplCookie );
1945
1946         if ( a == NULL ) {
1947                 si->syncCookie = NULL;
1948         } else {
1949                 si->syncCookie = ber_dupbv( NULL, &a->a_vals[0] );
1950         }
1951         return LDAP_SUCCESS;
1952 }
1953
1954 static int
1955 dn_callback(
1956         Operation*      op,
1957         SlapReply*      rs
1958 )
1959 {
1960         syncinfo_t *si = op->o_callback->sc_private;
1961
1962         if ( rs->sr_type == REP_SEARCH ) {
1963                 si->syncUUID_ndn = &rs->sr_entry->e_nname;
1964         }
1965
1966         return LDAP_SUCCESS;
1967 }
1968
1969 static int
1970 nonpresent_callback(
1971         Operation*      op,
1972         SlapReply*      rs
1973 )
1974 {
1975         syncinfo_t *si = op->o_callback->sc_private;
1976         Attribute *a;
1977         int count = 0;
1978         struct berval* present_uuid = NULL;
1979         slap_callback cb;
1980         SlapReply       rs_cb = {REP_RESULT};
1981         struct nonpresent_entry *np_entry;
1982
1983         if ( rs->sr_type == REP_RESULT ) {
1984                 count = avl_free( si->presentlist, avl_ber_bvfree );
1985                 return LDAP_SUCCESS;
1986         } else if ( rs->sr_type == REP_SEARCH ) {
1987                 a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
1988
1989                 if ( a == NULL )
1990                         return 0;
1991
1992                 present_uuid = avl_find( si->presentlist, &a->a_vals[0], syncuuid_cmp );
1993
1994                 if ( present_uuid == NULL ) {
1995                         np_entry = (struct nonpresent_entry *)
1996                                                 ch_calloc( 1, sizeof( struct nonpresent_entry ));
1997                         np_entry->dn = ber_dupbv( NULL, &rs->sr_entry->e_name );
1998                         np_entry->ndn = ber_dupbv( NULL, &rs->sr_entry->e_nname );
1999                         LDAP_LIST_INSERT_HEAD( &si->nonpresentlist, np_entry, np_link );
2000                 } else {
2001                         avl_delete( &si->presentlist,
2002                                         &a->a_vals[0], syncuuid_cmp );
2003                 }
2004                 return LDAP_SUCCESS;
2005         } else {
2006                 return LDAP_SUCCESS;
2007         }
2008
2009 }
2010
2011 static int
2012 null_callback(
2013         Operation*      op,
2014         SlapReply*      rs
2015 )
2016 {
2017         syncinfo_t *si = op->o_callback->sc_private;
2018
2019         if ( rs->sr_err != LDAP_SUCCESS &&
2020                  rs->sr_err != LDAP_REFERRAL &&
2021                  rs->sr_err != LDAP_ALREADY_EXISTS &&
2022                  rs->sr_err != LDAP_NO_SUCH_OBJECT ) {
2023 #ifdef NEW_LOGGING
2024                 LDAP_LOG( OPERATION, ERR,
2025                         "null_callback : error code 0x%x\n",
2026                         rs->sr_err, 0, 0 );
2027 #else
2028                 Debug( LDAP_DEBUG_ANY,
2029                         "null_callback : error code 0x%x\n",
2030                         rs->sr_err, 0, 0 );
2031 #endif
2032         }
2033         return LDAP_SUCCESS;
2034 }
2035
2036
2037 char **
2038 str2clist( char **out, char *in, const char *brkstr )
2039 {
2040         char    *str;
2041         char    *s;
2042         char    *lasts;
2043         int     i, j;
2044         const char *text;
2045         char    **new;
2046
2047         /* find last element in list */
2048         for (i = 0; out && out[i]; i++);
2049
2050         /* protect the input string from strtok */
2051         str = ch_strdup( in );
2052
2053         /* Count words in string */
2054         j=1;
2055         for ( s = str; *s; s++ ) {
2056                 if ( strchr( brkstr, *s ) != NULL ) {
2057                         j++;
2058                 }
2059         }
2060
2061         out = ch_realloc( out, ( i + j + 1 ) * sizeof( char * ) );
2062         new = out + i;
2063         for ( s = ldap_pvt_strtok( str, brkstr, &lasts );
2064                 s != NULL;
2065                 s = ldap_pvt_strtok( NULL, brkstr, &lasts ) )
2066         {
2067                 *new = ch_strdup( s );
2068                 new++;
2069         }
2070
2071         *new = NULL;
2072         free( str );
2073         return( out );
2074 }
2075
2076 #endif