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 2003-2007 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 "config.h"
  31
  32 #include "ldap_rq.h"
  33
  34 struct nonpresent_entry {
  35         struct berval *npe_name;
  36         struct berval *npe_nname;
  37         LDAP_LIST_ENTRY(nonpresent_entry) npe_link;
  38 };
  39
  40 typedef struct cookie_state {
  41         ldap_pvt_thread_mutex_t cs_mutex;
  42         int     cs_num;
  43         int cs_age;
  44         struct berval *cs_vals;
  45         int *cs_sids;
  46 } cookie_state;
  47
  48 #define SYNCDATA_DEFAULT        0       /* entries are plain LDAP entries */
  49 #define SYNCDATA_ACCESSLOG      1       /* entries are accesslog format */
  50 #define SYNCDATA_CHANGELOG      2       /* entries are changelog format */
  51
  52 #define SYNCLOG_LOGGING         0       /* doing a log-based update */
  53 #define SYNCLOG_FALLBACK        1       /* doing a full refresh */
  54
  55 #define RETRYNUM_FOREVER        (-1)    /* retry forever */
  56 #define RETRYNUM_TAIL           (-2)    /* end of retrynum array */
  57 #define RETRYNUM_VALID(n)       ((n) >= RETRYNUM_FOREVER)       /* valid retrynum */
  58 #define RETRYNUM_FINITE(n)      ((n) > RETRYNUM_FOREVER)        /* not forever */
  59
  60 typedef struct syncinfo_s {
  61         struct syncinfo_s       *si_next;
  62         BackendDB               *si_be;
  63         BackendDB               *si_wbe;
  64         struct re_s             *si_re;
  65         int                     si_rid;
  66         char                    si_ridtxt[ STRLENOF("rid=999") + 1 ];
  67         slap_bindconf           si_bindconf;
  68         struct berval           si_base;
  69         struct berval           si_logbase;
  70         struct berval           si_filterstr;
  71         struct berval           si_logfilterstr;
  72         int                     si_scope;
  73         int                     si_attrsonly;
  74         char                    *si_anfile;
  75         AttributeName           *si_anlist;
  76         AttributeName           *si_exanlist;
  77         char                    **si_attrs;
  78         char                    **si_exattrs;
  79         int                     si_allattrs;
  80         int                     si_allopattrs;
  81         int                     si_schemachecking;
  82         int                     si_type;        /* the active type */
  83         int                     si_ctype;       /* the configured type */
  84         time_t                  si_interval;
  85         time_t                  *si_retryinterval;
  86         int                     *si_retrynum_init;
  87         int                     *si_retrynum;
  88         struct sync_cookie      si_syncCookie;
  89         cookie_state            *si_cookieState;
  90         int                     si_cookieAge;
  91         int                     si_manageDSAit;
  92         int                     si_slimit;
  93         int                     si_tlimit;
  94         int                     si_refreshDelete;
  95         int                     si_refreshPresent;
  96         int                     si_syncdata;
  97         int                     si_logstate;
  98         int                     si_conn_setup;
  99         Avlnode                 *si_presentlist;
 100         LDAP                    *si_ld;
 101         LDAP_LIST_HEAD(np, nonpresent_entry)    si_nonpresentlist;
 102         ldap_pvt_thread_mutex_t si_mutex;
 103 } syncinfo_t;
 104
 105 static int syncuuid_cmp( const void *, const void * );
 106 static void avl_ber_bvfree( void * );
 107 static void syncrepl_del_nonpresent( Operation *, syncinfo_t *, BerVarray, struct berval * );
 108 static int syncrepl_message_to_op(
 109                                         syncinfo_t *, Operation *, LDAPMessage * );
 110 static int syncrepl_message_to_entry(
 111                                         syncinfo_t *, Operation *, LDAPMessage *,
 112                                         Modifications **, Entry **, int );
 113 static int syncrepl_entry(
 114                                         syncinfo_t *, Operation*, Entry*,
 115                                         Modifications**,int, struct berval* );
 116 static int syncrepl_updateCookie(
 117                                         syncinfo_t *, Operation *, struct berval *,
 118                                         struct sync_cookie * );
 119 static struct berval * slap_uuidstr_from_normalized(
 120                                         struct berval *, struct berval *, void * );
 121
 122 /* callback functions */
 123 static int dn_callback( Operation *, SlapReply * );
 124 static int nonpresent_callback( Operation *, SlapReply * );
 125 static int null_callback( Operation *, SlapReply * );
 126
 127 static AttributeDescription *sync_descs[4];
 128
 129 static const char *
 130 syncrepl_state2str( int state )
 131 {
 132         switch ( state ) {
 133         case LDAP_SYNC_PRESENT:
 134                 return "PRESENT";
 135
 136         case LDAP_SYNC_ADD:
 137                 return "ADD";
 138
 139         case LDAP_SYNC_MODIFY:
 140                 return "MODIFY";
 141
 142         case LDAP_SYNC_DELETE:
 143                 return "DELETE";
 144         }
 145
 146         return "UNKNOWN";
 147 }
 148
 149 static void
 150 init_syncrepl(syncinfo_t *si)
 151 {
 152         int i, j, k, l, n;
 153         char **attrs, **exattrs;
 154
 155         if ( !sync_descs[0] ) {
 156                 sync_descs[0] = slap_schema.si_ad_objectClass;
 157                 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
 158                 sync_descs[2] = slap_schema.si_ad_entryCSN;
 159                 sync_descs[3] = NULL;
 160         }
 161
 162         if ( si->si_allattrs && si->si_allopattrs )
 163                 attrs = NULL;
 164         else
 165                 attrs = anlist2attrs( si->si_anlist );
 166
 167         if ( attrs ) {
 168                 if ( si->si_allattrs ) {
 169                         i = 0;
 170                         while ( attrs[i] ) {
 171                                 if ( !is_at_operational( at_find( attrs[i] ) ) ) {
 172                                         for ( j = i; attrs[j] != NULL; j++ ) {
 173                                                 if ( j == i )
 174                                                         ch_free( attrs[i] );
 175                                                 attrs[j] = attrs[j+1];
 176                                         }
 177                                 } else {
 178                                         i++;
 179                                 }
 180                         }
 181                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 182                         attrs[i] = ch_strdup("*");
 183                         attrs[i + 1] = NULL;
 184
 185                 } else if ( si->si_allopattrs ) {
 186                         i = 0;
 187                         while ( attrs[i] ) {
 188                                 if ( is_at_operational( at_find( attrs[i] ) ) ) {
 189                                         for ( j = i; attrs[j] != NULL; j++ ) {
 190                                                 if ( j == i )
 191                                                         ch_free( attrs[i] );
 192                                                 attrs[j] = attrs[j+1];
 193                                         }
 194                                 } else {
 195                                         i++;
 196                                 }
 197                         }
 198                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 199                         attrs[i] = ch_strdup("+");
 200                         attrs[i + 1] = NULL;
 201                 }
 202
 203                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 204                         j = 0;
 205                         while ( attrs[j] ) {
 206                                 if ( !strcmp( attrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
 207                                         for ( k = j; attrs[k] != NULL; k++ ) {
 208                                                 if ( k == j )
 209                                                         ch_free( attrs[k] );
 210                                                 attrs[k] = attrs[k+1];
 211                                         }
 212                                 } else {
 213                                         j++;
 214                                 }
 215                         }
 216                 }
 217
 218                 for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */;
 219
 220                 if ( si->si_allopattrs ) {
 221                         attrs = ( char ** ) ch_realloc( attrs, (n + 2)*sizeof( char * ) );
 222                 } else {
 223                         attrs = ( char ** ) ch_realloc( attrs, (n + 4)*sizeof( char * ) );
 224                 }
 225
 226                 /* Add Attributes */
 227                 if ( si->si_allopattrs ) {
 228                         attrs[n++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 229                 } else {
 230                         for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
 231                                 attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
 232                         }
 233                 }
 234                 attrs[ n ] = NULL;
 235
 236         } else {
 237
 238                 i = 0;
 239                 if ( si->si_allattrs == si->si_allopattrs ) {
 240                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 241                         attrs[i++] = ch_strdup( "*" );
 242                         attrs[i++] = ch_strdup( "+" );
 243                 } else if ( si->si_allattrs && !si->si_allopattrs ) {
 244                         for ( n = 0; sync_descs[ n ] != NULL; n++ ) ;
 245                         attrs = (char**) ch_malloc( (n+1)* sizeof(char*) );
 246                         attrs[i++] = ch_strdup( "*" );
 247                         for ( j = 1; sync_descs[ j ] != NULL; j++ ) {
 248                                 attrs[i++] = ch_strdup ( sync_descs[j]->ad_cname.bv_val );
 249                         }
 250                 } else if ( !si->si_allattrs && si->si_allopattrs ) {
 251                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 252                         attrs[i++] = ch_strdup( "+" );
 253                         attrs[i++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 254                 }
 255                 attrs[i] = NULL;
 256         }
 257
 258         si->si_attrs = attrs;
 259
 260         exattrs = anlist2attrs( si->si_exanlist );
 261
 262         if ( exattrs ) {
 263                 for ( n = 0; exattrs[n] != NULL; n++ ) ;
 264
 265                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 266                         j = 0;
 267                         while ( exattrs[j] != NULL ) {
 268                                 if ( !strcmp( exattrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
 269                                         ch_free( exattrs[j] );
 270                                         for ( k = j; exattrs[k] != NULL; k++ ) {
 271                                                 exattrs[k] = exattrs[k+1];
 272                                         }
 273                                 } else {
 274                                         j++;
 275                                 }
 276                         }
 277                 }
 278
 279                 for ( i = 0; exattrs[i] != NULL; i++ ) {
 280                         for ( j = 0; si->si_anlist[j].an_name.bv_val; j++ ) {
 281                                 ObjectClass     *oc;
 282                                 if ( ( oc = si->si_anlist[j].an_oc ) ) {
 283                                         k = 0;
 284                                         while ( oc->soc_required[k] ) {
 285                                                 if ( !strcmp( exattrs[i],
 286                                                          oc->soc_required[k]->sat_cname.bv_val ) ) {
 287                                                         ch_free( exattrs[i] );
 288                                                         for ( l = i; exattrs[l]; l++ ) {
 289                                                                 exattrs[l] = exattrs[l+1];
 290                                                         }
 291                                                 } else {
 292                                                         k++;
 293                                                 }
 294                                         }
 295                                 }
 296                         }
 297                 }
 298
 299                 for ( i = 0; exattrs[i] != NULL; i++ ) ;
 300
 301                 if ( i != n )
 302                         exattrs = (char **) ch_realloc( exattrs, (i + 1)*sizeof(char *) );
 303         }
 304
 305         si->si_exattrs = exattrs;
 306 }
 307
 308 typedef struct logschema {
 309         struct berval ls_dn;
 310         struct berval ls_req;
 311         struct berval ls_mod;
 312         struct berval ls_newRdn;
 313         struct berval ls_delRdn;
 314         struct berval ls_newSup;
 315 } logschema;
 316
 317 static logschema changelog_sc = {
 318         BER_BVC("targetDN"),
 319         BER_BVC("changeType"),
 320         BER_BVC("changes"),
 321         BER_BVC("newRDN"),
 322         BER_BVC("deleteOldRDN"),
 323         BER_BVC("newSuperior")
 324 };
 325
 326 static logschema accesslog_sc = {
 327         BER_BVC("reqDN"),
 328         BER_BVC("reqType"),
 329         BER_BVC("reqMod"),
 330         BER_BVC("reqNewRDN"),
 331         BER_BVC("reqDeleteOldRDN"),
 332         BER_BVC("reqNewSuperior")
 333 };
 334
 335 static int
 336 ldap_sync_search(
 337         syncinfo_t *si,
 338         void *ctx )
 339 {
 340         BerElementBuffer berbuf;
 341         BerElement *ber = (BerElement *)&berbuf;
 342         LDAPControl c[2], *ctrls[3];
 343         ber_int_t       msgid;
 344         int rc;
 345         int rhint;
 346         char *base;
 347         char **attrs, *lattrs[8];
 348         char *filter;
 349         int attrsonly;
 350         int scope;
 351
 352         /* setup LDAP SYNC control */
 353         ber_init2( ber, NULL, LBER_USE_DER );
 354         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 355
 356         /* If we're using a log but we have no state, then fallback to
 357          * normal mode for a full refresh.
 358          */
 359         if ( si->si_syncdata && !si->si_syncCookie.numcsns ) {
 360                 si->si_logstate = SYNCLOG_FALLBACK;
 361         }
 362
 363         /* Use the log parameters if we're in log mode */
 364         if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 365                 logschema *ls;
 366                 if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
 367                         ls = &accesslog_sc;
 368                 else
 369                         ls = &changelog_sc;
 370                 lattrs[0] = ls->ls_dn.bv_val;
 371                 lattrs[1] = ls->ls_req.bv_val;
 372                 lattrs[2] = ls->ls_mod.bv_val;
 373                 lattrs[3] = ls->ls_newRdn.bv_val;
 374                 lattrs[4] = ls->ls_delRdn.bv_val;
 375                 lattrs[5] = ls->ls_newSup.bv_val;
 376                 lattrs[6] = slap_schema.si_ad_entryCSN->ad_cname.bv_val;
 377                 lattrs[7] = NULL;
 378
 379                 rhint = 0;
 380                 base = si->si_logbase.bv_val;
 381                 filter = si->si_logfilterstr.bv_val;
 382                 attrs = lattrs;
 383                 attrsonly = 0;
 384                 scope = LDAP_SCOPE_SUBTREE;
 385         } else {
 386                 rhint = 1;
 387                 base = si->si_base.bv_val;
 388                 filter = si->si_filterstr.bv_val;
 389                 attrs = si->si_attrs;
 390                 attrsonly = si->si_attrsonly;
 391                 scope = si->si_scope;
 392         }
 393         if ( si->si_syncdata && si->si_logstate == SYNCLOG_FALLBACK ) {
 394                 si->si_type = LDAP_SYNC_REFRESH_ONLY;
 395         } else {
 396                 si->si_type = si->si_ctype;
 397         }
 398
 399         if ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) )
 400         {
 401                 ber_printf( ber, "{eOb}",
 402                         abs(si->si_type), &si->si_syncCookie.octet_str, rhint );
 403         } else {
 404                 ber_printf( ber, "{eb}",
 405                         abs(si->si_type), rhint );
 406         }
 407
 408         if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 ) ) == LBER_ERROR ) {
 409                 ber_free_buf( ber );
 410                 return rc;
 411         }
 412
 413         c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 414         c[0].ldctl_iscritical = si->si_type < 0;
 415         ctrls[0] = &c[0];
 416
 417         if ( !BER_BVISNULL( &si->si_bindconf.sb_authzId ) ) {
 418                 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 419                 c[1].ldctl_value = si->si_bindconf.sb_authzId;
 420                 c[1].ldctl_iscritical = 1;
 421                 ctrls[1] = &c[1];
 422                 ctrls[2] = NULL;
 423         } else {
 424                 ctrls[1] = NULL;
 425         }
 426
 427         rc = ldap_search_ext( si->si_ld, base, scope, filter, attrs, attrsonly,
 428                 ctrls, NULL, NULL, si->si_slimit, &msgid );
 429         ber_free_buf( ber );
 430         return rc;
 431 }
 432
 433 static int
 434 do_syncrep1(
 435         Operation *op,
 436         syncinfo_t *si )
 437 {
 438         int     rc;
 439         int cmdline_cookie_found = 0;
 440
 441         struct sync_cookie      *sc = NULL;
 442 #ifdef HAVE_TLS
 443         void    *ssl;
 444 #endif
 445
 446         rc = slap_client_connect( &si->si_ld, &si->si_bindconf );
 447         if ( rc != LDAP_SUCCESS ) {
 448                 goto done;
 449         }
 450         op->o_protocol = LDAP_VERSION3;
 451
 452         /* Set SSF to strongest of TLS, SASL SSFs */
 453         op->o_sasl_ssf = 0;
 454         op->o_tls_ssf = 0;
 455         op->o_transport_ssf = 0;
 456 #ifdef HAVE_TLS
 457         if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
 458                 == LDAP_SUCCESS && ssl != NULL )
 459         {
 460                 op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
 461         }
 462 #endif /* HAVE_TLS */
 463         ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &op->o_sasl_ssf );
 464         op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
 465                 ?  op->o_sasl_ssf : op->o_tls_ssf;
 466
 467         ldap_set_option( si->si_ld, LDAP_OPT_TIMELIMIT, &si->si_tlimit );
 468
 469         /* We've just started up, or the remote server hasn't sent us
 470          * any meaningful state.
 471          */
 472         if ( BER_BVISNULL( &si->si_syncCookie.octet_str ) ) {
 473                 int i;
 474
 475                 si->si_syncCookie.rid = si->si_rid;
 476                 si->si_syncCookie.sid = SLAP_SINGLE_SHADOW( si->si_be ) ? -1 :
 477                         slap_serverID;
 478
 479                 LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
 480                         if ( si->si_rid == sc->rid ) {
 481                                 cmdline_cookie_found = 1;
 482                                 break;
 483                         }
 484                 }
 485
 486                 if ( cmdline_cookie_found ) {
 487                         /* cookie is supplied in the command line */
 488
 489                         LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
 490
 491                         /* ctxcsn wasn't parsed yet, do it now */
 492                         slap_parse_sync_cookie( sc, op->o_tmpmemctx );
 493                         slap_sync_cookie_free( &si->si_syncCookie, 0 );
 494                         slap_dup_sync_cookie( &si->si_syncCookie, sc );
 495                         slap_sync_cookie_free( sc, 1 );
 496                 } else {
 497                         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
 498                         if ( !si->si_cookieState->cs_num ) {
 499                                 /* get contextCSN shadow replica from database */
 500                                 BerVarray csn = NULL;
 501                                 void *ctx = op->o_tmpmemctx;
 502
 503                                 op->o_req_ndn = op->o_bd->be_nsuffix[0];
 504                                 op->o_req_dn = op->o_req_ndn;
 505
 506                                 /* try to read stored contextCSN */
 507                                 op->o_tmpmemctx = NULL;
 508                                 backend_attribute( op, NULL, &op->o_req_ndn,
 509                                         slap_schema.si_ad_contextCSN, &csn, ACL_READ );
 510                                 op->o_tmpmemctx = ctx;
 511                                 if ( csn ) {
 512                                         si->si_cookieState->cs_vals = csn;
 513                                         for (i=0; !BER_BVISNULL( &csn[i] ); i++);
 514                                         si->si_cookieState->cs_num = i;
 515                                         si->si_cookieState->cs_sids = slap_parse_csn_sids( csn, i, NULL );
 516                                 }
 517                         }
 518                         if ( si->si_cookieState->cs_num ) {
 519                                 ber_bvarray_free( si->si_syncCookie.ctxcsn );
 520                                 if ( ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 521                                         si->si_cookieState->cs_vals, NULL )) {
 522                                         rc = LDAP_NO_MEMORY;
 523                                         goto done;
 524                                 }
 525                                 si->si_syncCookie.numcsns = si->si_cookieState->cs_num;
 526                                 si->si_syncCookie.sids = ch_malloc( si->si_cookieState->cs_num *
 527                                         sizeof(int) );
 528                                 for ( i=0; i<si->si_syncCookie.numcsns; i++ )
 529                                         si->si_syncCookie.sids[i] = si->si_cookieState->cs_sids[i];
 530                         }
 531                         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 532                 }
 533
 534                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 535                         si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
 536                         si->si_syncCookie.sid );
 537         } else {
 538                 AttributeName at[2];
 539                 Attribute a = {0};
 540                 Entry e = {0};
 541                 SlapReply rs = {0};
 542                 int i, j, changed = 0;
 543
 544                 /* Look for contextCSN from syncprov overlay. If
 545                  * there's no overlay, this will be a no-op. That means
 546                  * this is a pure consumer, so local changes will not be
 547                  * allowed, and all changes will already be reflected in
 548                  * the cookieState.
 549                  */
 550                 a.a_desc = slap_schema.si_ad_contextCSN;
 551                 e.e_attrs = &a;
 552                 e.e_name = si->si_wbe->be_suffix[0];
 553                 e.e_nname = si->si_wbe->be_nsuffix[0];
 554                 rs.sr_entry = &e;
 555                 rs.sr_flags = REP_ENTRY_MODIFIABLE;
 556                 at[0].an_name = a.a_desc->ad_cname;
 557                 at[0].an_desc = a.a_desc;
 558                 BER_BVZERO( &at[1].an_name );
 559                 op->o_req_dn = e.e_name;
 560                 op->o_req_ndn = e.e_nname;
 561
 562                 ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
 563                 rc = backend_operational( op, &rs );
 564                 if ( rc == LDAP_SUCCESS && a.a_vals ) {
 565                         int num = a.a_numvals;
 566                         /* check for differences */
 567                         if ( num != si->si_cookieState->cs_num ) {
 568                                 changed = 1;
 569                         } else {
 570                                 for ( i=0; i<num; i++ ) {
 571                                         if ( ber_bvcmp( &a.a_vals[i],
 572                                                 &si->si_cookieState->cs_vals[i] )) {
 573                                                 changed =1;
 574                                                 break;
 575                                         }
 576                                 }
 577                         }
 578                         if ( changed ) {
 579                                 ber_bvarray_free( si->si_cookieState->cs_vals );
 580                                 ch_free( si->si_cookieState->cs_sids );
 581                                 si->si_cookieState->cs_num = num;
 582                                 si->si_cookieState->cs_vals = a.a_vals;
 583                                 si->si_cookieState->cs_sids = slap_parse_csn_sids( a.a_vals,
 584                                         num, NULL );
 585                                 si->si_cookieState->cs_age++;
 586                         } else {
 587                                 ber_bvarray_free( a.a_vals );
 588                         }
 589                         changed = 0;
 590                 }
 591                 /* See if the cookieState has changed due to anything outside
 592                  * this particular consumer. That includes other consumers in
 593                  * the same context, or local changes detected above.
 594                  */
 595                 if ( si->si_cookieState->cs_num > 1 && si->si_cookieAge !=
 596                         si->si_cookieState->cs_age ) {
 597
 598                         for (i=0; !BER_BVISNULL( &si->si_syncCookie.ctxcsn[i] ); i++) {
 599                                 /* bogus, just dup everything */
 600                                 if ( si->si_syncCookie.sids[i] == -1 ) {
 601                                         ber_bvarray_free( si->si_syncCookie.ctxcsn );
 602                                         ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 603                                                 si->si_cookieState->cs_vals, NULL );
 604                                         changed = 1;
 605                                         break;
 606                                 }
 607                                 for (j=0; j<si->si_cookieState->cs_num; j++) {
 608                                         if ( si->si_syncCookie.sids[i] !=
 609                                                 si->si_cookieState->cs_sids[j] )
 610                                                 continue;
 611                                         if ( bvmatch( &si->si_syncCookie.ctxcsn[i],
 612                                                 &si->si_cookieState->cs_vals[j] ))
 613                                                 break;
 614                                         ber_bvreplace( &si->si_syncCookie.ctxcsn[i],
 615                                                 &si->si_cookieState->cs_vals[j] );
 616                                         changed = 1;
 617                                         break;
 618                                 }
 619                         }
 620                         if ( changed ) {
 621                                 ch_free( si->si_syncCookie.octet_str.bv_val );
 622                                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 623                                         si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
 624                                         SLAP_SINGLE_SHADOW( si->si_be ) ? -1 : slap_serverID );
 625                         }
 626                 }
 627                 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 628         }
 629
 630         rc = ldap_sync_search( si, op->o_tmpmemctx );
 631
 632         if( rc != LDAP_SUCCESS ) {
 633                 Debug( LDAP_DEBUG_ANY, "do_syncrep1: %s "
 634                         "ldap_search_ext: %s (%d)\n",
 635                         si->si_ridtxt, ldap_err2string( rc ), rc );
 636         }
 637
 638 done:
 639         if ( rc ) {
 640                 if ( si->si_ld ) {
 641                         ldap_unbind_ext( si->si_ld, NULL, NULL );
 642                         si->si_ld = NULL;
 643                 }
 644         }
 645
 646         return rc;
 647 }
 648
 649 static int
 650 compare_csns( struct sync_cookie *sc1, struct sync_cookie *sc2, int *which )
 651 {
 652         int i, j, match = 0;
 653         const char *text;
 654
 655         *which = 0;
 656
 657         if ( sc1->numcsns < sc2->numcsns ) {
 658                 *which = sc1->numcsns;
 659                 return -1;
 660         }
 661
 662         for (i=0; !BER_BVISNULL( &sc1->ctxcsn[i] ); i++) {
 663                 for (j=0; !BER_BVISNULL( &sc2->ctxcsn[j] ); j++) {
 664                         if ( sc1->sids[i] != sc2->sids[j] )
 665                                 continue;
 666                         value_match( &match, slap_schema.si_ad_entryCSN,
 667                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 668                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 669                                 &sc1->ctxcsn[i], &sc2->ctxcsn[i], &text );
 670                         if ( match < 0 ) {
 671                                 *which = j;
 672                                 return match;
 673                         }
 674                         break;
 675                 }
 676         }
 677         return match;
 678 }
 679
 680 static int
 681 do_syncrep2(
 682         Operation *op,
 683         syncinfo_t *si )
 684 {
 685         LDAPControl     **rctrls = NULL;
 686         LDAPControl     *rctrlp;
 687
 688         BerElementBuffer berbuf;
 689         BerElement      *ber = (BerElement *)&berbuf;
 690
 691         LDAPMessage     *res = NULL;
 692         LDAPMessage     *msg = NULL;
 693
 694         char            *retoid = NULL;
 695         struct berval   *retdata = NULL;
 696
 697         Entry           *entry = NULL;
 698
 699         int             syncstate;
 700         struct berval   syncUUID = BER_BVNULL;
 701         struct sync_cookie      syncCookie = { NULL };
 702         struct sync_cookie      syncCookie_req = { NULL };
 703         struct berval           cookie = BER_BVNULL;
 704
 705         int             rc,
 706                         err = LDAP_SUCCESS;
 707         ber_len_t       len;
 708
 709         struct berval   *psub;
 710         Modifications   *modlist = NULL;
 711
 712         int                             match, m;
 713
 714         struct timeval *tout_p = NULL;
 715         struct timeval tout = { 0, 0 };
 716
 717         int             refreshDeletes = 0;
 718         int             refreshDone = 1;
 719         BerVarray syncUUIDs = NULL;
 720         ber_tag_t si_tag;
 721
 722         if ( slapd_shutdown ) {
 723                 rc = -2;
 724                 goto done;
 725         }
 726
 727         ber_init2( ber, NULL, LBER_USE_DER );
 728         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 729
 730         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2 %s\n", si->si_ridtxt, 0, 0 );
 731
 732         psub = &si->si_be->be_nsuffix[0];
 733
 734         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 735
 736         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 737                 tout_p = &tout;
 738         } else {
 739                 tout_p = NULL;
 740         }
 741
 742         while ( ( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE,
 743                 tout_p, &res ) ) > 0 )
 744         {
 745                 if ( slapd_shutdown ) {
 746                         rc = -2;
 747                         goto done;
 748                 }
 749                 for( msg = ldap_first_message( si->si_ld, res );
 750                         msg != NULL;
 751                         msg = ldap_next_message( si->si_ld, msg ) )
 752                 {
 753                         if ( slapd_shutdown ) {
 754                                 rc = -2;
 755                                 goto done;
 756                         }
 757                         switch( ldap_msgtype( msg ) ) {
 758                         case LDAP_RES_SEARCH_ENTRY:
 759                                 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 760                                 /* we can't work without the control */
 761                                 rctrlp = NULL;
 762                                 if ( rctrls ) {
 763                                         LDAPControl **next;
 764                                         /* NOTE: make sure we use the right one;
 765                                          * a better approach would be to run thru
 766                                          * the whole list and take care of all */
 767                                         rctrlp = ldap_control_find( LDAP_CONTROL_SYNC_STATE, rctrls, &next );
 768                                         if ( next && ldap_control_find( LDAP_CONTROL_SYNC_STATE, next, NULL ) )
 769                                         {
 770                                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 771                                                         "got search entry with multiple "
 772                                                         "Sync State control\n", si->si_ridtxt, 0, 0 );
 773                                                 rc = -1;
 774                                                 goto done;
 775                                         }
 776                                 }
 777                                 if ( rctrlp == NULL ) {
 778                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 779                                                 "got search entry without "
 780                                                 "Sync State control\n", si->si_ridtxt, 0, 0 );
 781                                         rc = -1;
 782                                         goto done;
 783                                 }
 784                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 785                                 ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
 786                                 /* FIXME: what if syncUUID is NULL or empty?
 787                                  * (happens with back-sql...) */
 788                                 if ( BER_BVISEMPTY( &syncUUID ) ) {
 789                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 790                                                 "got empty syncUUID with LDAP_SYNC_%s\n",
 791                                                 si->si_ridtxt,
 792                                                 syncrepl_state2str( syncstate ), 0 );
 793                                         ldap_controls_free( rctrls );
 794                                         rc = -1;
 795                                         goto done;
 796                                 }
 797                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 798                                         ber_scanf( ber, /*"{"*/ "m}", &cookie );
 799
 800                                         Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
 801                                                 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
 802
 803                                         if ( !BER_BVISNULL( &cookie ) ) {
 804                                                 ch_free( syncCookie.octet_str.bv_val );
 805                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 806                                         }
 807                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 808                                         {
 809                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 810                                         }
 811                                 }
 812                                 rc = 0;
 813                                 if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 814                                         modlist = NULL;
 815                                         if ( ( rc = syncrepl_message_to_op( si, op, msg ) ) == LDAP_SUCCESS &&
 816                                                 syncCookie.ctxcsn )
 817                                         {
 818                                                 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 819                                         }
 820                                 } else if ( ( rc = syncrepl_message_to_entry( si, op, msg,
 821                                         &modlist, &entry, syncstate ) ) == LDAP_SUCCESS )
 822                                 {
 823                                         if ( ( rc = syncrepl_entry( si, op, entry, &modlist,
 824                                                 syncstate, &syncUUID ) ) == LDAP_SUCCESS &&
 825                                                 syncCookie.ctxcsn )
 826                                         {
 827                                                 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 828                                         }
 829                                 }
 830                                 ldap_controls_free( rctrls );
 831                                 if ( modlist ) {
 832                                         slap_mods_free( modlist, 1 );
 833                                 }
 834                                 if ( rc )
 835                                         goto done;
 836                                 break;
 837
 838                         case LDAP_RES_SEARCH_REFERENCE:
 839                                 Debug( LDAP_DEBUG_ANY,
 840                                         "do_syncrep2: %s reference received error\n",
 841                                         si->si_ridtxt, 0, 0 );
 842                                 break;
 843
 844                         case LDAP_RES_SEARCH_RESULT:
 845                                 Debug( LDAP_DEBUG_SYNC,
 846                                         "do_syncrep2: %s LDAP_RES_SEARCH_RESULT\n",
 847                                         si->si_ridtxt, 0, 0 );
 848                                 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 849                                         &rctrls, 0 );
 850 #ifdef LDAP_X_SYNC_REFRESH_REQUIRED
 851                                 if ( err == LDAP_X_SYNC_REFRESH_REQUIRED ) {
 852                                         /* map old result code to registered code */
 853                                         err = LDAP_SYNC_REFRESH_REQUIRED;
 854                                 }
 855 #endif
 856                                 if ( err == LDAP_SYNC_REFRESH_REQUIRED ) {
 857                                         if ( si->si_logstate == SYNCLOG_LOGGING ) {
 858                                                 si->si_logstate = SYNCLOG_FALLBACK;
 859                                         }
 860                                         rc = err;
 861                                         goto done;
 862                                 }
 863                                 if ( rctrls ) {
 864                                         rctrlp = *rctrls;
 865                                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 866
 867                                         ber_scanf( ber, "{" /*"}"*/);
 868                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 869                                                 ber_scanf( ber, "m", &cookie );
 870
 871                                                 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
 872                                                         BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
 873
 874                                                 if ( !BER_BVISNULL( &cookie ) ) {
 875                                                         ch_free( syncCookie.octet_str.bv_val );
 876                                                         ber_dupbv( &syncCookie.octet_str, &cookie);
 877                                                 }
 878                                                 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 879                                                 {
 880                                                         slap_parse_sync_cookie( &syncCookie, NULL );
 881                                                 }
 882                                         }
 883                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 884                                         {
 885                                                 ber_scanf( ber, "b", &refreshDeletes );
 886                                         }
 887                                         ber_scanf( ber, /*"{"*/ "}" );
 888                                 }
 889                                 if ( !syncCookie.ctxcsn ) {
 890                                         match = 1;
 891                                 } else if ( !syncCookie_req.ctxcsn ) {
 892                                         match = -1;
 893                                         m = 0;
 894                                 } else {
 895                                         match = compare_csns( &syncCookie_req, &syncCookie, &m );
 896                                 }
 897                                 if ( rctrls ) {
 898                                         ldap_controls_free( rctrls );
 899                                 }
 900                                 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 901                                         /* FIXME : different error behaviors according to
 902                                          *      1) err code : LDAP_BUSY ...
 903                                          *      2) on err policy : stop service, stop sync, retry
 904                                          */
 905                                         if ( refreshDeletes == 0 && match < 0 &&
 906                                                 err == LDAP_SUCCESS )
 907                                         {
 908                                                 syncrepl_del_nonpresent( op, si, NULL,
 909                                                         &syncCookie.ctxcsn[m] );
 910                                         } else {
 911                                                 avl_free( si->si_presentlist, avl_ber_bvfree );
 912                                                 si->si_presentlist = NULL;
 913                                         }
 914                                 }
 915                                 if ( syncCookie.ctxcsn && match < 0 && err == LDAP_SUCCESS )
 916                                 {
 917                                         rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 918                                 }
 919                                 if ( err == LDAP_SUCCESS
 920                                         && si->si_logstate == SYNCLOG_FALLBACK ) {
 921                                         si->si_logstate = SYNCLOG_LOGGING;
 922                                         rc = LDAP_SYNC_REFRESH_REQUIRED;
 923                                 } else {
 924                                         rc = -2;
 925                                 }
 926                                 goto done;
 927                                 break;
 928
 929                         case LDAP_RES_INTERMEDIATE:
 930                                 rc = ldap_parse_intermediate( si->si_ld, msg,
 931                                         &retoid, &retdata, NULL, 0 );
 932                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 933                                         ber_init2( ber, retdata, LBER_USE_DER );
 934
 935                                         switch ( si_tag = ber_peek_tag( ber, &len ) ) {
 936                                         ber_tag_t tag;
 937                                         case LDAP_TAG_SYNC_NEW_COOKIE:
 938                                                 Debug( LDAP_DEBUG_SYNC,
 939                                                         "do_syncrep2: %s %s - %s\n",
 940                                                         si->si_ridtxt,
 941                                                         "LDAP_RES_INTERMEDIATE",
 942                                                         "NEW_COOKIE" );
 943                                                 ber_scanf( ber, "tm", &tag, &cookie );
 944                                                 break;
 945                                         case LDAP_TAG_SYNC_REFRESH_DELETE:
 946                                         case LDAP_TAG_SYNC_REFRESH_PRESENT:
 947                                                 Debug( LDAP_DEBUG_SYNC,
 948                                                         "do_syncrep2: %s %s - %s\n",
 949                                                         si->si_ridtxt,
 950                                                         "LDAP_RES_INTERMEDIATE",
 951                                                         si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ?
 952                                                         "REFRESH_PRESENT" : "REFRESH_DELETE" );
 953                                                 if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) {
 954                                                         si->si_refreshDelete = 1;
 955                                                 } else {
 956                                                         si->si_refreshPresent = 1;
 957                                                 }
 958                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 959                                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 960                                                 {
 961                                                         ber_scanf( ber, "m", &cookie );
 962
 963                                                         Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
 964                                                                 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
 965
 966                                                         if ( !BER_BVISNULL( &cookie ) ) {
 967                                                                 ch_free( syncCookie.octet_str.bv_val );
 968                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 969                                                         }
 970                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 971                                                         {
 972                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 973                                                         }
 974                                                 }
 975                                                 if ( ber_peek_tag( ber, &len ) ==
 976                                                         LDAP_TAG_REFRESHDONE )
 977                                                 {
 978                                                         ber_scanf( ber, "b", &refreshDone );
 979                                                 }
 980                                                 ber_scanf( ber, /*"{"*/ "}" );
 981                                                 break;
 982                                         case LDAP_TAG_SYNC_ID_SET:
 983                                                 Debug( LDAP_DEBUG_SYNC,
 984                                                         "do_syncrep2: %s %s - %s\n",
 985                                                         si->si_ridtxt,
 986                                                         "LDAP_RES_INTERMEDIATE",
 987                                                         "SYNC_ID_SET" );
 988                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 989                                                 if ( ber_peek_tag( ber, &len ) ==
 990                                                         LDAP_TAG_SYNC_COOKIE )
 991                                                 {
 992                                                         ber_scanf( ber, "m", &cookie );
 993
 994                                                         Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
 995                                                                 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
 996
 997                                                         if ( !BER_BVISNULL( &cookie ) ) {
 998                                                                 ch_free( syncCookie.octet_str.bv_val );
 999                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
1000                                                         }
1001                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
1002                                                         {
1003                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
1004                                                                 compare_csns( &syncCookie_req, &syncCookie, &m );
1005                                                         }
1006                                                 }
1007                                                 if ( ber_peek_tag( ber, &len ) ==
1008                                                         LDAP_TAG_REFRESHDELETES )
1009                                                 {
1010                                                         ber_scanf( ber, "b", &refreshDeletes );
1011                                                 }
1012                                                 ber_scanf( ber, "[W]", &syncUUIDs );
1013                                                 ber_scanf( ber, /*"{"*/ "}" );
1014                                                 if ( refreshDeletes ) {
1015                                                         syncrepl_del_nonpresent( op, si, syncUUIDs,
1016                                                                 &syncCookie.ctxcsn[m] );
1017                                                         ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx );
1018                                                 } else {
1019                                                         int i;
1020                                                         for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) {
1021                                                                 struct berval *syncuuid_bv;
1022                                                                 syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
1023                                                                 slap_sl_free( syncUUIDs[i].bv_val,op->o_tmpmemctx );
1024                                                                 if ( avl_insert( &si->si_presentlist,
1025                                                                         (caddr_t) syncuuid_bv,
1026                                                                         syncuuid_cmp, avl_dup_error ) )
1027                                                                 {
1028                                                                         ber_bvfree( syncuuid_bv );
1029                                                                 }
1030                                                         }
1031                                                         slap_sl_free( syncUUIDs, op->o_tmpmemctx );
1032                                                 }
1033                                                 slap_sync_cookie_free( &syncCookie, 0 );
1034                                                 break;
1035                                         default:
1036                                                 Debug( LDAP_DEBUG_ANY,
1037                                                         "do_syncrep2: %s unknown syncinfo tag (%ld)\n",
1038                                                         si->si_ridtxt, (long) si_tag, 0 );
1039                                                 ldap_memfree( retoid );
1040                                                 ber_bvfree( retdata );
1041                                                 continue;
1042                                         }
1043
1044                                         if ( !syncCookie.ctxcsn ) {
1045                                                 match = 1;
1046                                         } else if ( !syncCookie_req.ctxcsn ) {
1047                                                 match = -1;
1048                                                 m = 0;
1049                                         } else {
1050                                                 match = compare_csns( &syncCookie_req, &syncCookie, &m );
1051                                         }
1052
1053                                         if ( match < 0 ) {
1054                                                 if ( si->si_refreshPresent == 1 ) {
1055                                                         syncrepl_del_nonpresent( op, si, NULL,
1056                                                                 &syncCookie.ctxcsn[m] );
1057                                                 }
1058
1059                                                 if ( syncCookie.ctxcsn )
1060                                                 {
1061                                                         rc = syncrepl_updateCookie( si, op, psub, &syncCookie);
1062                                                 }
1063                                         }
1064
1065                                         ldap_memfree( retoid );
1066                                         ber_bvfree( retdata );
1067                                         break;
1068
1069                                 } else {
1070                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1071                                                 "unknown intermediate response (%d)\n",
1072                                                 si->si_ridtxt, rc, 0 );
1073                                         ldap_memfree( retoid );
1074                                         ber_bvfree( retdata );
1075                                         break;
1076                                 }
1077                                 break;
1078
1079                         default:
1080                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1081                                         "unknown message (0x%02lx)\n",
1082                                         si->si_ridtxt,
1083                                         (unsigned long)ldap_msgtype( msg ), 0 );
1084                                 break;
1085
1086                         }
1087                         if ( !BER_BVISNULL( &syncCookie.octet_str ) ) {
1088                                 slap_sync_cookie_free( &syncCookie_req, 0 );
1089                                 slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
1090                                 slap_sync_cookie_free( &syncCookie, 0 );
1091                         }
1092                 }
1093                 ldap_msgfree( res );
1094                 res = NULL;
1095         }
1096
1097         if ( rc == -1 ) {
1098                 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
1099                 err = rc;
1100         }
1101
1102 done:
1103         if ( err != LDAP_SUCCESS ) {
1104                 Debug( LDAP_DEBUG_ANY,
1105                         "do_syncrep2: %s (%d) %s\n",
1106                         si->si_ridtxt, err, ldap_err2string( err ) );
1107         }
1108
1109         slap_sync_cookie_free( &syncCookie, 0 );
1110         slap_sync_cookie_free( &syncCookie_req, 0 );
1111
1112         if ( res ) ldap_msgfree( res );
1113
1114         if ( rc && rc != LDAP_SYNC_REFRESH_REQUIRED && si->si_ld ) {
1115                 if ( si->si_conn_setup ) {
1116                         ber_socket_t s;
1117                         ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1118                         connection_client_stop( s );
1119                         si->si_conn_setup = 0;
1120                 }
1121                 ldap_unbind_ext( si->si_ld, NULL, NULL );
1122                 si->si_ld = NULL;
1123         }
1124
1125         return rc;
1126 }
1127
1128 static void *
1129 do_syncrepl(
1130         void    *ctx,
1131         void    *arg )
1132 {
1133         struct re_s* rtask = arg;
1134         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
1135         Connection conn = {0};
1136         OperationBuffer opbuf;
1137         Operation *op;
1138         int rc = LDAP_SUCCESS;
1139         int dostop = 0;
1140         ber_socket_t s;
1141         int i, defer = 1, fail = 0;
1142         Backend *be;
1143
1144         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl %s\n", si->si_ridtxt, 0, 0 );
1145
1146         if ( si == NULL )
1147                 return NULL;
1148
1149         ldap_pvt_thread_mutex_lock( &si->si_mutex );
1150
1151         switch( abs( si->si_type ) ) {
1152         case LDAP_SYNC_REFRESH_ONLY:
1153         case LDAP_SYNC_REFRESH_AND_PERSIST:
1154                 break;
1155         default:
1156                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1157                 return NULL;
1158         }
1159
1160         if ( slapd_shutdown ) {
1161                 if ( si->si_ld ) {
1162                         if ( si->si_conn_setup ) {
1163                                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1164                                 connection_client_stop( s );
1165                                 si->si_conn_setup = 0;
1166                         }
1167                         ldap_unbind_ext( si->si_ld, NULL, NULL );
1168                         si->si_ld = NULL;
1169                 }
1170                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1171                 return NULL;
1172         }
1173
1174         connection_fake_init( &conn, &opbuf, ctx );
1175         op = &opbuf.ob_op;
1176
1177         /* use global malloc for now */
1178         op->o_tmpmemctx = NULL;
1179         op->o_tmpmfuncs = &ch_mfuncs;
1180
1181         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1182         op->o_bd = be = si->si_be;
1183         op->o_dn = op->o_bd->be_rootdn;
1184         op->o_ndn = op->o_bd->be_rootndn;
1185         if ( !si->si_schemachecking )
1186                 op->o_no_schema_check = 1;
1187
1188         /* If we're glued, send writes through the glue parent */
1189         if ( !si->si_wbe ) {
1190                 if ( SLAP_GLUE_SUBORDINATE( be )) {
1191                         si->si_wbe = select_backend( &be->be_nsuffix[0], 1 );
1192                 } else {
1193                         si->si_wbe = be;
1194                 }
1195         }
1196
1197         /* Establish session, do search */
1198         if ( !si->si_ld ) {
1199                 si->si_refreshDelete = 0;
1200                 si->si_refreshPresent = 0;
1201                 rc = do_syncrep1( op, si );
1202         }
1203
1204 reload:
1205         /* Process results */
1206         if ( rc == LDAP_SUCCESS ) {
1207                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1208
1209                 rc = do_syncrep2( op, si );
1210                 if ( rc == LDAP_SYNC_REFRESH_REQUIRED ) {
1211                         rc = ldap_sync_search( si, op->o_tmpmemctx );
1212                         goto reload;
1213                 }
1214
1215                 /* We got deleted while running on cn=config */
1216                 if ( !si->si_ctype ) {
1217                         if ( si->si_conn_setup )
1218                                 dostop = 1;
1219                         rc = -1;
1220                 }
1221
1222                 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
1223                         /* If we succeeded, enable the connection for further listening.
1224                          * If we failed, tear down the connection and reschedule.
1225                          */
1226                         if ( rc == LDAP_SUCCESS ) {
1227                                 if ( si->si_conn_setup ) {
1228                                         connection_client_enable( s );
1229                                 } else {
1230                                         rc = connection_client_setup( s, do_syncrepl, arg );
1231                                         if ( rc == 0 )
1232                                                 si->si_conn_setup = 1;
1233                                 }
1234                         } else if ( si->si_conn_setup ) {
1235                                 dostop = 1;
1236                         }
1237                 } else {
1238                         if ( rc == -2 ) rc = 0;
1239                 }
1240         }
1241
1242         /* At this point, we have 4 cases:
1243          * 1) for any hard failure, give up and remove this task
1244          * 2) for ServerDown, reschedule this task to run
1245          * 3) for Refresh and Success, reschedule to run
1246          * 4) for Persist and Success, reschedule to defer
1247          */
1248         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
1249
1250         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask ) ) {
1251                 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
1252         }
1253
1254         if ( dostop ) {
1255                 connection_client_stop( s );
1256         }
1257
1258         if ( rc == LDAP_SUCCESS ) {
1259                 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
1260                         defer = 0;
1261                 }
1262                 rtask->interval.tv_sec = si->si_interval;
1263                 ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
1264                 if ( si->si_retrynum ) {
1265                         for ( i = 0; si->si_retrynum_init[i] != RETRYNUM_TAIL; i++ ) {
1266                                 si->si_retrynum[i] = si->si_retrynum_init[i];
1267                         }
1268                         si->si_retrynum[i] = RETRYNUM_TAIL;
1269                 }
1270         } else {
1271                 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
1272                         if ( si->si_retrynum[i] == RETRYNUM_FOREVER || si->si_retrynum[i] == RETRYNUM_TAIL )
1273                                 break;
1274                 }
1275
1276                 if ( !si->si_ctype
1277                         || !si->si_retrynum || si->si_retrynum[i] == RETRYNUM_TAIL ) {
1278                         ldap_pvt_runqueue_remove( &slapd_rq, rtask );
1279                         fail = RETRYNUM_TAIL;
1280                 } else if ( RETRYNUM_VALID( si->si_retrynum[i] ) ) {
1281                         if ( si->si_retrynum[i] > 0 )
1282                                 si->si_retrynum[i]--;
1283                         fail = si->si_retrynum[i];
1284                         rtask->interval.tv_sec = si->si_retryinterval[i];
1285                         ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1286                         slap_wake_listener();
1287                 }
1288         }
1289
1290         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1291         ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1292
1293         if ( rc ) {
1294                 if ( fail == RETRYNUM_TAIL ) {
1295                         Debug( LDAP_DEBUG_ANY,
1296                                 "do_syncrepl: %s quitting\n",
1297                                 si->si_ridtxt, 0, 0 );
1298                 } else if ( fail > 0 ) {
1299                         Debug( LDAP_DEBUG_ANY,
1300                                 "do_syncrepl: %s retrying (%d retries left)\n",
1301                                 si->si_ridtxt, fail, 0 );
1302                 } else {
1303                         Debug( LDAP_DEBUG_ANY,
1304                                 "do_syncrepl: %s retrying\n",
1305                                 si->si_ridtxt, 0, 0 );
1306                 }
1307         }
1308
1309         /* Do final delete cleanup */
1310         if ( !si->si_ctype ) {
1311                 cookie_state *cs = NULL;
1312                 syncinfo_t **sip;
1313
1314                 cs = be->be_syncinfo->si_cookieState;
1315                 for ( sip = &be->be_syncinfo; *sip != si; sip = &(*sip)->si_next );
1316                 *sip = si->si_next;
1317                 syncinfo_free( si, 0 );
1318                 if ( !be->be_syncinfo ) {
1319                         SLAP_DBFLAGS( be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
1320                         if ( cs ) {
1321                                 ch_free( cs->cs_sids );
1322                                 ber_bvarray_free( cs->cs_vals );
1323                                 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
1324                                 ch_free( cs );
1325                         }
1326                 }
1327         }
1328         return NULL;
1329 }
1330
1331 static slap_verbmasks modops[] = {
1332         { BER_BVC("add"), LDAP_REQ_ADD },
1333         { BER_BVC("delete"), LDAP_REQ_DELETE },
1334         { BER_BVC("modify"), LDAP_REQ_MODIFY },
1335         { BER_BVC("modrdn"), LDAP_REQ_MODRDN},
1336         { BER_BVNULL, 0 }
1337 };
1338
1339 static Modifications *
1340 syncrepl_accesslog_mods(
1341         syncinfo_t *si,
1342         struct berval *vals
1343 )
1344 {
1345         char *colon;
1346         const char *text;
1347         AttributeDescription *ad;
1348         struct berval bv, bv2;
1349         short op;
1350         Modifications *mod = NULL, *modlist = NULL, **modtail;
1351         int i;
1352
1353         modtail = &modlist;
1354
1355         for (i=0; !BER_BVISNULL( &vals[i] ); i++) {
1356                 ad = NULL;
1357                 bv = vals[i];
1358
1359                 colon = ber_bvchr( &bv, ':' );
1360                 if ( !colon ) {
1361                         /* Invalid */
1362                         continue;
1363                 }
1364
1365                 bv.bv_len = colon - bv.bv_val;
1366                 if ( slap_bv2ad( &bv, &ad, &text ) ) {
1367                         /* Invalid */
1368                         continue;
1369                 }
1370
1371                 /* Ignore dynamically generated attrs */
1372                 if ( ad->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1373                         continue;
1374                 }
1375
1376                 /* Ignore excluded attrs */
1377                 if ( ldap_charray_inlist( si->si_exattrs,
1378                         ad->ad_type->sat_cname.bv_val ) )
1379                 {
1380                         continue;
1381                 }
1382
1383                 switch(colon[1]) {
1384                 case '+':       op = LDAP_MOD_ADD; break;
1385                 case '-':       op = LDAP_MOD_DELETE; break;
1386                 case '=':       op = LDAP_MOD_REPLACE; break;
1387                 case '#':       op = LDAP_MOD_INCREMENT; break;
1388                 default:        continue;
1389                 }
1390
1391                 if ( !mod || ad != mod->sml_desc || op != mod->sml_op ) {
1392                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1393                         mod->sml_flags = 0;
1394                         mod->sml_op = op;
1395                         mod->sml_next = NULL;
1396                         mod->sml_desc = ad;
1397                         mod->sml_type = ad->ad_cname;
1398                         mod->sml_values = NULL;
1399                         mod->sml_nvalues = NULL;
1400                         mod->sml_numvals = 0;
1401
1402                         *modtail = mod;
1403                         modtail = &mod->sml_next;
1404                 }
1405                 if ( colon[2] == ' ' ) {
1406                         bv.bv_val = colon + 3;
1407                         bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val );
1408                         ber_dupbv( &bv2, &bv );
1409                         ber_bvarray_add( &mod->sml_values, &bv2 );
1410                         mod->sml_numvals++;
1411                 }
1412         }
1413         return modlist;
1414 }
1415
1416 static Modifications *
1417 syncrepl_changelog_mods(
1418         syncinfo_t *si,
1419         struct berval *vals
1420 )
1421 {
1422         return NULL;    /* FIXME */
1423 }
1424
1425 static int
1426 syncrepl_message_to_op(
1427         syncinfo_t      *si,
1428         Operation       *op,
1429         LDAPMessage     *msg
1430 )
1431 {
1432         BerElement      *ber = NULL;
1433         Modifications   *modlist = NULL;
1434         logschema *ls;
1435         SlapReply rs = { REP_RESULT };
1436         slap_callback cb = { NULL, null_callback, NULL, NULL };
1437
1438         const char      *text;
1439         char txtbuf[SLAP_TEXT_BUFLEN];
1440         size_t textlen = sizeof txtbuf;
1441
1442         struct berval   bdn, dn = BER_BVNULL, ndn;
1443         struct berval   bv, *bvals = NULL;
1444         struct berval   rdn = BER_BVNULL, sup = BER_BVNULL,
1445                 prdn = BER_BVNULL, nrdn = BER_BVNULL,
1446                 psup = BER_BVNULL, nsup = BER_BVNULL;
1447         int             rc, deleteOldRdn = 0, freeReqDn = 0;
1448
1449         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1450                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1451                         "Message type should be entry (%d)",
1452                         si->si_ridtxt, ldap_msgtype( msg ), 0 );
1453                 return -1;
1454         }
1455
1456         if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
1457                 ls = &accesslog_sc;
1458         else
1459                 ls = &changelog_sc;
1460
1461         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1462
1463         if ( rc != LDAP_SUCCESS ) {
1464                 Debug( LDAP_DEBUG_ANY,
1465                         "syncrepl_message_to_op: %s dn get failed (%d)",
1466                         si->si_ridtxt, rc, 0 );
1467                 return rc;
1468         }
1469
1470         op->o_tag = LBER_DEFAULT;
1471         op->o_bd = si->si_wbe;
1472
1473         while (( rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, &bvals ) )
1474                 == LDAP_SUCCESS ) {
1475                 if ( bv.bv_val == NULL )
1476                         break;
1477
1478                 if ( !ber_bvstrcasecmp( &bv, &ls->ls_dn ) ) {
1479                         bdn = bvals[0];
1480                         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1481                         ber_dupbv( &op->o_req_dn, &dn );
1482                         ber_dupbv( &op->o_req_ndn, &ndn );
1483                         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1484                         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1485                         freeReqDn = 1;
1486                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_req ) ) {
1487                         int i = verb_to_mask( bvals[0].bv_val, modops );
1488                         if ( i < 0 ) {
1489                                 Debug( LDAP_DEBUG_ANY,
1490                                         "syncrepl_message_to_op: %s unknown op %s",
1491                                         si->si_ridtxt, bvals[0].bv_val, 0 );
1492                                 ch_free( bvals );
1493                                 rc = -1;
1494                                 goto done;
1495                         }
1496                         op->o_tag = modops[i].mask;
1497                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_mod ) ) {
1498                         /* Parse attribute into modlist */
1499                         if ( si->si_syncdata == SYNCDATA_ACCESSLOG ) {
1500                                 modlist = syncrepl_accesslog_mods( si, bvals );
1501                         } else {
1502                                 modlist = syncrepl_changelog_mods( si, bvals );
1503                         }
1504                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newRdn ) ) {
1505                         rdn = bvals[0];
1506                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_delRdn ) ) {
1507                         if ( !ber_bvstrcasecmp( &slap_true_bv, bvals ) ) {
1508                                 deleteOldRdn = 1;
1509                         }
1510                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup ) ) {
1511                         sup = bvals[0];
1512                 } else if ( !ber_bvstrcasecmp( &bv,
1513                         &slap_schema.si_ad_entryCSN->ad_cname ) )
1514                 {
1515                         slap_queue_csn( op, bvals );
1516                 }
1517                 ch_free( bvals );
1518         }
1519
1520         /* If we didn't get a mod type or a target DN, bail out */
1521         if ( op->o_tag == LBER_DEFAULT || BER_BVISNULL( &dn ) ) {
1522                 rc = -1;
1523                 goto done;
1524         }
1525
1526         op->o_callback = &cb;
1527         slap_op_time( &op->o_time, &op->o_tincr );
1528
1529         switch( op->o_tag ) {
1530         case LDAP_REQ_ADD:
1531         case LDAP_REQ_MODIFY:
1532                 /* If we didn't get required data, bail */
1533                 if ( !modlist ) goto done;
1534
1535                 rc = slap_mods_check( op, modlist, &text, txtbuf, textlen, NULL );
1536
1537                 if ( rc != LDAP_SUCCESS ) {
1538                         Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1539                                 "mods check (%s)\n",
1540                                 si->si_ridtxt, text, 0 );
1541                         goto done;
1542                 }
1543
1544                 if ( op->o_tag == LDAP_REQ_ADD ) {
1545                         Entry *e = entry_alloc();
1546                         op->ora_e = e;
1547                         op->ora_e->e_name = op->o_req_dn;
1548                         op->ora_e->e_nname = op->o_req_ndn;
1549                         freeReqDn = 0;
1550                         rc = slap_mods2entry( modlist, &op->ora_e, 1, 0, &text, txtbuf, textlen);
1551                         if( rc != LDAP_SUCCESS ) {
1552                                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1553                                 "mods2entry (%s)\n",
1554                                         si->si_ridtxt, text, 0 );
1555                         } else {
1556                                 rc = op->o_bd->be_add( op, &rs );
1557                                 Debug( LDAP_DEBUG_SYNC,
1558                                         "syncrepl_message_to_op: %s be_add %s (%d)\n",
1559                                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1560                         }
1561                         if ( e == op->ora_e )
1562                                 be_entry_release_w( op, op->ora_e );
1563                 } else {
1564                         op->orm_modlist = modlist;
1565                         op->o_bd = si->si_wbe;
1566                         rc = op->o_bd->be_modify( op, &rs );
1567                         modlist = op->orm_modlist;
1568                         Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1569                                 "syncrepl_message_to_op: %s be_modify %s (%d)\n",
1570                                 si->si_ridtxt, op->o_req_dn.bv_val, rc );
1571                         op->o_bd = si->si_be;
1572                 }
1573                 break;
1574         case LDAP_REQ_MODRDN:
1575                 if ( BER_BVISNULL( &rdn ) ) goto done;
1576
1577                 if ( rdnPretty( NULL, &rdn, &prdn, NULL ) ) {
1578                         goto done;
1579                 }
1580                 if ( rdnNormalize( 0, NULL, NULL, &rdn, &nrdn, NULL ) ) {
1581                         goto done;
1582                 }
1583                 if ( !BER_BVISNULL( &sup ) ) {
1584                         if ( dnPrettyNormal( NULL, &sup, &psup, &nsup, NULL ) ) {
1585                                 goto done;
1586                         }
1587                         op->orr_newSup = &psup;
1588                         op->orr_nnewSup = &nsup;
1589                 } else {
1590                         op->orr_newSup = NULL;
1591                         op->orr_nnewSup = NULL;
1592                 }
1593                 op->orr_newrdn = prdn;
1594                 op->orr_nnewrdn = nrdn;
1595                 op->orr_deleteoldrdn = deleteOldRdn;
1596                 op->orr_modlist = NULL;
1597                 if ( slap_modrdn2mods( op, &rs ) ) {
1598                         goto done;
1599                 }
1600
1601                 /* Append modlist for operational attrs */
1602                 {
1603                         Modifications *m;
1604
1605                         for ( m = op->orr_modlist; m->sml_next; m = m->sml_next )
1606                                 ;
1607                         m->sml_next = modlist;
1608                         modlist = NULL;
1609                 }
1610                 rc = op->o_bd->be_modrdn( op, &rs );
1611                 slap_mods_free( op->orr_modlist, 1 );
1612                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1613                         "syncrepl_message_to_op: %s be_modrdn %s (%d)\n",
1614                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1615                 break;
1616         case LDAP_REQ_DELETE:
1617                 rc = op->o_bd->be_delete( op, &rs );
1618                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1619                         "syncrepl_message_to_op: %s be_delete %s (%d)\n",
1620                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1621                 break;
1622         }
1623 done:
1624         slap_graduate_commit_csn( op );
1625         op->o_bd = si->si_be;
1626         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
1627         BER_BVZERO( &op->o_csn );
1628         if ( modlist ) {
1629                 slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
1630         }
1631         if ( !BER_BVISNULL( &rdn ) ) {
1632                 if ( !BER_BVISNULL( &nsup ) ) {
1633                         ch_free( nsup.bv_val );
1634                 }
1635                 if ( !BER_BVISNULL( &psup ) ) {
1636                         ch_free( psup.bv_val );
1637                 }
1638                 if ( !BER_BVISNULL( &nrdn ) ) {
1639                         ch_free( nrdn.bv_val );
1640                 }
1641                 if ( !BER_BVISNULL( &prdn ) ) {
1642                         ch_free( prdn.bv_val );
1643                 }
1644         }
1645         if ( freeReqDn ) {
1646                 ch_free( op->o_req_ndn.bv_val );
1647                 ch_free( op->o_req_dn.bv_val );
1648         }
1649         ber_free( ber, 0 );
1650         return rc;
1651 }
1652
1653 static int
1654 syncrepl_message_to_entry(
1655         syncinfo_t      *si,
1656         Operation       *op,
1657         LDAPMessage     *msg,
1658         Modifications   **modlist,
1659         Entry                   **entry,
1660         int             syncstate
1661 )
1662 {
1663         Entry           *e = NULL;
1664         BerElement      *ber = NULL;
1665         Modifications   tmp;
1666         Modifications   *mod;
1667         Modifications   **modtail = modlist;
1668
1669         const char      *text;
1670         char txtbuf[SLAP_TEXT_BUFLEN];
1671         size_t textlen = sizeof txtbuf;
1672
1673         struct berval   bdn = BER_BVNULL, dn, ndn;
1674         int             rc, is_ctx;
1675
1676         *modlist = NULL;
1677
1678         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1679                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s "
1680                         "Message type should be entry (%d)",
1681                         si->si_ridtxt, ldap_msgtype( msg ), 0 );
1682                 return -1;
1683         }
1684
1685         op->o_tag = LDAP_REQ_ADD;
1686
1687         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1688         if ( rc != LDAP_SUCCESS ) {
1689                 Debug( LDAP_DEBUG_ANY,
1690                         "syncrepl_message_to_entry: %s dn get failed (%d)",
1691                         si->si_ridtxt, rc, 0 );
1692                 return rc;
1693         }
1694
1695         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1696                 /* NOTE: this could be done even before decoding the DN,
1697                  * although encoding errors wouldn't be detected */
1698                 rc = LDAP_SUCCESS;
1699                 goto done;
1700         }
1701
1702         if ( entry == NULL ) {
1703                 return -1;
1704         }
1705
1706         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1707         ber_dupbv( &op->o_req_dn, &dn );
1708         ber_dupbv( &op->o_req_ndn, &ndn );
1709         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1710         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1711
1712         is_ctx = dn_match( &op->o_req_ndn, &op->o_bd->be_nsuffix[0] );
1713
1714         e = entry_alloc();
1715         e->e_name = op->o_req_dn;
1716         e->e_nname = op->o_req_ndn;
1717
1718         while ( ber_remaining( ber ) ) {
1719                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1720                         LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) )
1721                 {
1722                         break;
1723                 }
1724
1725                 /* Drop all updates to the contextCSN of the context entry
1726                  * (ITS#4622, etc.)
1727                  */
1728                 if ( is_ctx && !strcasecmp( tmp.sml_type.bv_val,
1729                         slap_schema.si_ad_contextCSN->ad_cname.bv_val )) {
1730                         ber_bvarray_free( tmp.sml_values );
1731                         continue;
1732                 }
1733
1734                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ) );
1735
1736                 mod->sml_op = LDAP_MOD_REPLACE;
1737                 mod->sml_flags = 0;
1738                 mod->sml_next = NULL;
1739                 mod->sml_desc = NULL;
1740                 mod->sml_type = tmp.sml_type;
1741                 mod->sml_values = tmp.sml_values;
1742                 mod->sml_nvalues = NULL;
1743                 mod->sml_numvals = 0;   /* slap_mods_check will set this */
1744
1745                 *modtail = mod;
1746                 modtail = &mod->sml_next;
1747         }
1748
1749         if ( *modlist == NULL ) {
1750                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s no attributes\n",
1751                         si->si_ridtxt, 0, 0 );
1752                 rc = -1;
1753                 goto done;
1754         }
1755
1756         rc = slap_mods_check( op, *modlist, &text, txtbuf, textlen, NULL );
1757
1758         if ( rc != LDAP_SUCCESS ) {
1759                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods check (%s)\n",
1760                         si->si_ridtxt, text, 0 );
1761                 goto done;
1762         }
1763
1764         /* Strip out dynamically generated attrs */
1765         for ( modtail = modlist; *modtail ; ) {
1766                 mod = *modtail;
1767                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1768                         *modtail = mod->sml_next;
1769                         slap_mod_free( &mod->sml_mod, 0 );
1770                         ch_free( mod );
1771                 } else {
1772                         modtail = &mod->sml_next;
1773                 }
1774         }
1775
1776         /* Strip out attrs in exattrs list */
1777         for ( modtail = modlist; *modtail ; ) {
1778                 mod = *modtail;
1779                 if ( ldap_charray_inlist( si->si_exattrs,
1780                         mod->sml_desc->ad_type->sat_cname.bv_val ) )
1781                 {
1782                         *modtail = mod->sml_next;
1783                         slap_mod_free( &mod->sml_mod, 0 );
1784                         ch_free( mod );
1785                 } else {
1786                         modtail = &mod->sml_next;
1787                 }
1788         }
1789
1790         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1791         if( rc != LDAP_SUCCESS ) {
1792                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods2entry (%s)\n",
1793                         si->si_ridtxt, text, 0 );
1794         }
1795
1796 done:
1797         ber_free( ber, 0 );
1798         if ( rc != LDAP_SUCCESS ) {
1799                 if ( e ) {
1800                         entry_free( e );
1801                         e = NULL;
1802                 }
1803         }
1804         if ( entry )
1805                 *entry = e;
1806
1807         return rc;
1808 }
1809
1810 static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
1811
1812 /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
1813  * entry if a previous refresh was interrupted before sending us a new
1814  * context state. We try to compare the new entry to the existing entry
1815  * and ignore the new entry if they are the same.
1816  *
1817  * Also, we may get an update where the entryDN has changed, due to
1818  * a ModDn on the provider. We detect this as well, so we can issue
1819  * the corresponding operation locally.
1820  *
1821  * In the case of a modify, we get a list of all the attributes
1822  * in the original entry. Rather than deleting the entry and re-adding it,
1823  * we issue a Modify request that deletes all the attributes and adds all
1824  * the new ones. This avoids the issue of trying to delete/add a non-leaf
1825  * entry.
1826  *
1827  * We otherwise distinguish ModDN from Modify; in the case of
1828  * a ModDN we just use the CSN, modifyTimestamp and modifiersName
1829  * operational attributes from the entry, and do a regular ModDN.
1830  */
1831 typedef struct dninfo {
1832         Entry *new_entry;
1833         struct berval dn;
1834         struct berval ndn;
1835         int renamed;    /* Was an existing entry renamed? */
1836         int delOldRDN;  /* Was old RDN deleted? */
1837         Modifications **modlist;        /* the modlist we received */
1838         Modifications *mods;    /* the modlist we compared */
1839 } dninfo;
1840
1841 static int
1842 syncrepl_entry(
1843         syncinfo_t* si,
1844         Operation *op,
1845         Entry* entry,
1846         Modifications** modlist,
1847         int syncstate,
1848         struct berval* syncUUID )
1849 {
1850         Backend *be = op->o_bd;
1851         slap_callback   cb = { NULL, NULL, NULL, NULL };
1852         struct berval   *syncuuid_bv = NULL;
1853         struct berval   syncUUID_strrep = BER_BVNULL;
1854
1855         SlapReply       rs_search = {REP_RESULT};
1856         SlapReply       rs_delete = {REP_RESULT};
1857         SlapReply       rs_add = {REP_RESULT};
1858         SlapReply       rs_modify = {REP_RESULT};
1859         Filter f = {0};
1860         AttributeAssertion ava = ATTRIBUTEASSERTION_INIT;
1861         int rc = LDAP_SUCCESS;
1862
1863         struct berval pdn = BER_BVNULL;
1864         dninfo dni = {0};
1865         int     retry = 1;
1866         int     freecsn = 1;
1867
1868         Debug( LDAP_DEBUG_SYNC,
1869                 "syncrepl_entry: %s LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_%s)\n",
1870                 si->si_ridtxt, syncrepl_state2str( syncstate ), 0 );
1871
1872         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD ) ) {
1873                 if ( !si->si_refreshPresent ) {
1874                         syncuuid_bv = ber_dupbv( NULL, syncUUID );
1875                         if ( avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1876                                 syncuuid_cmp, avl_dup_error ) )
1877                         {
1878                                 ber_bvfree( syncuuid_bv );
1879                                 syncuuid_bv = NULL;
1880                         }
1881                 }
1882         }
1883
1884         if ( syncstate == LDAP_SYNC_PRESENT ) {
1885                 return 0;
1886         } else if ( syncstate != LDAP_SYNC_DELETE ) {
1887                 if ( entry == NULL ) {
1888                         return 0;
1889                 }
1890         }
1891
1892         (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1893         if ( syncstate != LDAP_SYNC_DELETE ) {
1894                 Attribute       *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID );
1895
1896                 if ( a == NULL ) {
1897                         /* add if missing */
1898                         attr_merge_one( entry, slap_schema.si_ad_entryUUID,
1899                                 &syncUUID_strrep, syncUUID );
1900
1901                 } else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) {
1902                         /* replace only if necessary */
1903                         if ( a->a_nvals != a->a_vals ) {
1904                                 ber_memfree( a->a_nvals[0].bv_val );
1905                                 ber_dupbv( &a->a_nvals[0], syncUUID );
1906                         }
1907                         ber_memfree( a->a_vals[0].bv_val );
1908                         ber_dupbv( &a->a_vals[0], &syncUUID_strrep );
1909                 }
1910         }
1911
1912         f.f_choice = LDAP_FILTER_EQUALITY;
1913         f.f_ava = &ava;
1914         ava.aa_desc = slap_schema.si_ad_entryUUID;
1915         ava.aa_value = *syncUUID;
1916
1917         if ( syncuuid_bv ) {
1918                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s inserted UUID %s\n",
1919                         si->si_ridtxt, syncUUID_strrep.bv_val, 0 );
1920         }
1921         op->ors_filter = &f;
1922
1923         op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID_strrep.bv_len;
1924         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
1925                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1926         AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) );
1927         AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )],
1928                 syncUUID_strrep.bv_val, syncUUID_strrep.bv_len );
1929         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
1930         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1931
1932         op->o_tag = LDAP_REQ_SEARCH;
1933         op->ors_scope = LDAP_SCOPE_SUBTREE;
1934         op->ors_deref = LDAP_DEREF_NEVER;
1935
1936         /* get the entry for this UUID */
1937         op->o_req_dn = si->si_base;
1938         op->o_req_ndn = si->si_base;
1939
1940         op->o_time = slap_get_time();
1941         op->ors_tlimit = SLAP_NO_LIMIT;
1942         op->ors_slimit = 1;
1943
1944         op->ors_attrs = slap_anlist_all_attributes;
1945         op->ors_attrsonly = 0;
1946
1947         /* set callback function */
1948         op->o_callback = &cb;
1949         cb.sc_response = dn_callback;
1950         cb.sc_private = &dni;
1951         dni.new_entry = entry;
1952         dni.modlist = modlist;
1953
1954         if ( limits_check( op, &rs_search ) == 0 ) {
1955                 rc = be->be_search( op, &rs_search );
1956                 Debug( LDAP_DEBUG_SYNC,
1957                                 "syncrepl_entry: %s be_search (%d)\n",
1958                                 si->si_ridtxt, rc, 0 );
1959         }
1960
1961         if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
1962                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1963         }
1964
1965         cb.sc_response = null_callback;
1966         cb.sc_private = si;
1967
1968         if ( entry && !BER_BVISNULL( &entry->e_name ) ) {
1969                 Debug( LDAP_DEBUG_SYNC,
1970                                 "syncrepl_entry: %s %s\n",
1971                                 si->si_ridtxt, entry->e_name.bv_val, 0 );
1972         } else {
1973                 Debug( LDAP_DEBUG_SYNC,
1974                                 "syncrepl_entry: %s %s\n",
1975                                 si->si_ridtxt, dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0 );
1976         }
1977
1978         assert( BER_BVISNULL( &op->o_csn ) );
1979
1980         slap_op_time( &op->o_time, &op->o_tincr );
1981         switch ( syncstate ) {
1982         case LDAP_SYNC_ADD:
1983         case LDAP_SYNC_MODIFY:
1984                 {
1985                         Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN );
1986                         if ( a ) {
1987                                 /* FIXME: op->o_csn is assumed to be
1988                                  * on the thread's slab; this needs
1989                                  * to be cleared ASAP.
1990                                  * What happens if already present?
1991                                  */
1992                                 assert( BER_BVISNULL( &op->o_csn ) );
1993                                 op->o_csn = a->a_vals[0];
1994                                 freecsn = 0;
1995                         }
1996                 }
1997 retry_add:;
1998                 if ( BER_BVISNULL( &dni.dn ) ) {
1999
2000                         op->o_req_dn = entry->e_name;
2001                         op->o_req_ndn = entry->e_nname;
2002                         op->o_tag = LDAP_REQ_ADD;
2003                         op->ora_e = entry;
2004                         op->o_bd = si->si_wbe;
2005
2006                         rc = op->o_bd->be_add( op, &rs_add );
2007                         Debug( LDAP_DEBUG_SYNC,
2008                                         "syncrepl_entry: %s be_add (%d)\n",
2009                                         si->si_ridtxt, rc, 0 );
2010                         switch ( rs_add.sr_err ) {
2011                         case LDAP_SUCCESS:
2012                                 if ( op->ora_e == entry ) {
2013                                         be_entry_release_w( op, entry );
2014                                 }
2015                                 entry = NULL;
2016                                 break;
2017
2018                         case LDAP_REFERRAL:
2019                         /* we assume that LDAP_NO_SUCH_OBJECT is returned
2020                          * only if the suffix entry is not present */
2021                         case LDAP_NO_SUCH_OBJECT:
2022                                 rc = syncrepl_add_glue( op, entry );
2023                                 entry = NULL;
2024                                 break;
2025
2026                         /* if an entry was added via syncrepl_add_glue(),
2027                          * it likely has no entryUUID, so the previous
2028                          * be_search() doesn't find it.  In this case,
2029                          * give syncrepl a chance to modify it. Also
2030                          * allow for entries that were recreated with the
2031                          * same DN but a different entryUUID.
2032                          */
2033                         case LDAP_ALREADY_EXISTS:
2034                                 if ( retry ) {
2035                                         Operation       op2 = *op;
2036                                         SlapReply       rs2 = { 0 };
2037                                         slap_callback   cb2 = { 0 };
2038
2039                                         op2.o_bd = be;
2040                                         op2.o_tag = LDAP_REQ_SEARCH;
2041                                         op2.o_req_dn = entry->e_name;
2042                                         op2.o_req_ndn = entry->e_nname;
2043                                         op2.ors_scope = LDAP_SCOPE_BASE;
2044                                         op2.ors_deref = LDAP_DEREF_NEVER;
2045                                         op2.ors_attrs = slap_anlist_all_attributes;
2046                                         op2.ors_attrsonly = 0;
2047                                         op2.ors_limit = NULL;
2048                                         op2.ors_slimit = 1;
2049                                         op2.ors_tlimit = SLAP_NO_LIMIT;
2050
2051                                         f.f_choice = LDAP_FILTER_PRESENT;
2052                                         f.f_desc = slap_schema.si_ad_objectClass;
2053                                         op2.ors_filter = &f;
2054                                         op2.ors_filterstr = generic_filterstr;
2055
2056                                         op2.o_callback = &cb2;
2057                                         cb2.sc_response = dn_callback;
2058                                         cb2.sc_private = &dni;
2059
2060                                         rc = be->be_search( &op2, &rs2 );
2061                                         if ( rc ) goto done;
2062
2063                                         retry = 0;
2064                                         slap_op_time( &op->o_time, &op->o_tincr );
2065                                         goto retry_add;
2066                                 }
2067                                 /* FALLTHRU */
2068
2069                         default:
2070                                 Debug( LDAP_DEBUG_ANY,
2071                                         "syncrepl_entry: %s be_add failed (%d)\n",
2072                                         si->si_ridtxt, rs_add.sr_err, 0 );
2073                                 break;
2074                         }
2075                         op->o_bd = be;
2076                         goto done;
2077                 }
2078                 /* FALLTHRU */
2079                 op->o_req_dn = dni.dn;
2080                 op->o_req_ndn = dni.ndn;
2081                 if ( dni.renamed ) {
2082                         struct berval noldp, newp, nnewp;
2083
2084                         op->o_tag = LDAP_REQ_MODRDN;
2085                         dnRdn( &entry->e_name, &op->orr_newrdn );
2086                         dnRdn( &entry->e_nname, &op->orr_nnewrdn );
2087
2088                         dnParent( &dni.ndn, &noldp );
2089                         dnParent( &entry->e_nname, &nnewp );
2090                         if ( !dn_match( &noldp, &nnewp ) ) {
2091                                 dnParent( &entry->e_name, &newp );
2092                                 op->orr_newSup = &newp;
2093                                 op->orr_nnewSup = &nnewp;
2094                         } else {
2095                                 op->orr_newSup = NULL;
2096                                 op->orr_nnewSup = NULL;
2097                         }
2098                         op->orr_deleteoldrdn = dni.delOldRDN;
2099                         op->orr_modlist = NULL;
2100                         if ( ( rc = slap_modrdn2mods( op, &rs_modify ) ) ) {
2101                                 goto done;
2102                         }
2103
2104                         /* RDNs must be NUL-terminated for back-ldap */
2105                         noldp = op->orr_newrdn;
2106                         ber_dupbv_x( &op->orr_newrdn, &noldp, op->o_tmpmemctx );
2107                         noldp = op->orr_nnewrdn;
2108                         ber_dupbv_x( &op->orr_nnewrdn, &noldp, op->o_tmpmemctx );
2109
2110                         /* Setup opattrs too */
2111                         {
2112                                 static AttributeDescription *nullattr = NULL;
2113                                 static AttributeDescription **const opattrs[] = {
2114                                         &slap_schema.si_ad_entryCSN,
2115                                         &slap_schema.si_ad_modifiersName,
2116                                         &slap_schema.si_ad_modifyTimestamp,
2117                                         &nullattr
2118                                 };
2119                                 AttributeDescription *opattr;
2120                                 Modifications *mod, **modtail, **ml;
2121                                 int i;
2122
2123                                 for ( mod = op->orr_modlist;
2124                                         mod->sml_next;
2125                                         mod = mod->sml_next )
2126                                         ;
2127                                 modtail = &mod->sml_next;
2128
2129                                 /* pull mod off incoming modlist, append to orr_modlist */
2130                                 for ( i = 0; (opattr = *opattrs[i]) != NULL; i++ ) {
2131                                         for ( ml = modlist; *ml; ml = &(*ml)->sml_next )
2132                                         {
2133                                                 if ( (*ml)->sml_desc == opattr ) {
2134                                                         mod = *ml;
2135                                                         *ml = mod->sml_next;
2136                                                         mod->sml_next = NULL;
2137                                                         *modtail = mod;
2138                                                         modtail = &mod->sml_next;
2139                                                         break;
2140                                                 }
2141                                         }
2142                                 }
2143                         }
2144                         op->o_bd = si->si_wbe;
2145                         rc = op->o_bd->be_modrdn( op, &rs_modify );
2146                         op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
2147                         op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
2148
2149                         slap_mods_free( op->orr_modlist, 1 );
2150                         Debug( LDAP_DEBUG_SYNC,
2151                                         "syncrepl_entry: %s be_modrdn (%d)\n",
2152                                         si->si_ridtxt, rc, 0 );
2153                         op->o_bd = be;
2154                         goto done;
2155                 }
2156                 if ( dni.mods ) {
2157                         op->o_tag = LDAP_REQ_MODIFY;
2158                         op->orm_modlist = dni.mods;
2159                         op->orm_no_opattrs = 1;
2160                         op->o_bd = si->si_wbe;
2161
2162                         rc = op->o_bd->be_modify( op, &rs_modify );
2163                         slap_mods_free( op->orm_modlist, 1 );
2164                         op->orm_no_opattrs = 0;
2165                         Debug( LDAP_DEBUG_SYNC,
2166                                         "syncrepl_entry: %s be_modify (%d)\n",
2167                                         si->si_ridtxt, rc, 0 );
2168                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
2169                                 Debug( LDAP_DEBUG_ANY,
2170                                         "syncrepl_entry: %s be_modify failed (%d)\n",
2171                                         si->si_ridtxt, rs_modify.sr_err, 0 );
2172                         }
2173                         op->o_bd = be;
2174                 } else {
2175                         Debug( LDAP_DEBUG_SYNC,
2176                                         "syncrepl_entry: %s entry unchanged, ignored (%s)\n",
2177                                         si->si_ridtxt, op->o_req_dn.bv_val, 0 );
2178                 }
2179                 goto done;
2180         case LDAP_SYNC_DELETE :
2181                 if ( !BER_BVISNULL( &dni.dn ) ) {
2182                         op->o_req_dn = dni.dn;
2183                         op->o_req_ndn = dni.ndn;
2184                         op->o_tag = LDAP_REQ_DELETE;
2185                         op->o_bd = si->si_wbe;
2186                         rc = op->o_bd->be_delete( op, &rs_delete );
2187                         Debug( LDAP_DEBUG_SYNC,
2188                                         "syncrepl_entry: %s be_delete (%d)\n",
2189                                         si->si_ridtxt, rc, 0 );
2190
2191                         while ( rs_delete.sr_err == LDAP_SUCCESS
2192                                 && op->o_delete_glue_parent ) {
2193                                 op->o_delete_glue_parent = 0;
2194                                 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2195                                         slap_callback cb = { NULL };
2196                                         cb.sc_response = slap_null_cb;
2197                                         dnParent( &op->o_req_ndn, &pdn );
2198                                         op->o_req_dn = pdn;
2199                                         op->o_req_ndn = pdn;
2200                                         op->o_callback = &cb;
2201                                         op->o_bd->be_delete( op, &rs_delete );
2202                                 } else {
2203                                         break;
2204                                 }
2205                         }
2206                         op->o_bd = be;
2207                 }
2208                 goto done;
2209
2210         default :
2211                 Debug( LDAP_DEBUG_ANY,
2212                         "syncrepl_entry: %s unknown syncstate\n", si->si_ridtxt, 0, 0 );
2213                 goto done;
2214         }
2215
2216 done:
2217         if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
2218                 slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
2219                 BER_BVZERO( &syncUUID_strrep );
2220         }
2221         if ( !BER_BVISNULL( &dni.ndn ) ) {
2222                 op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
2223         }
2224         if ( !BER_BVISNULL( &dni.dn ) ) {
2225                 op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
2226         }
2227         if ( entry ) {
2228                 entry_free( entry );
2229         }
2230         if ( !BER_BVISNULL( &op->o_csn ) && freecsn ) {
2231                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2232         }
2233         BER_BVZERO( &op->o_csn );
2234         return rc;
2235 }
2236
2237 static struct berval gcbva[] = {
2238         BER_BVC("top"),
2239         BER_BVC("glue"),
2240         BER_BVNULL
2241 };
2242
2243 #define NP_DELETE_ONE   2
2244
2245 static void
2246 syncrepl_del_nonpresent(
2247         Operation *op,
2248         syncinfo_t *si,
2249         BerVarray uuids,
2250         struct berval *cookiecsn )
2251 {
2252         Backend* be = op->o_bd;
2253         slap_callback   cb = { NULL };
2254         SlapReply       rs_search = {REP_RESULT};
2255         SlapReply       rs_delete = {REP_RESULT};
2256         SlapReply       rs_modify = {REP_RESULT};
2257         struct nonpresent_entry *np_list, *np_prev;
2258         int rc;
2259         AttributeName   an[2];
2260
2261         struct berval pdn = BER_BVNULL;
2262         struct berval csn;
2263
2264         op->o_req_dn = si->si_base;
2265         op->o_req_ndn = si->si_base;
2266
2267         cb.sc_response = nonpresent_callback;
2268         cb.sc_private = si;
2269
2270         op->o_callback = &cb;
2271         op->o_tag = LDAP_REQ_SEARCH;
2272         op->ors_scope = si->si_scope;
2273         op->ors_deref = LDAP_DEREF_NEVER;
2274         op->o_time = slap_get_time();
2275         op->ors_tlimit = SLAP_NO_LIMIT;
2276
2277
2278         if ( uuids ) {
2279                 Filter uf;
2280                 AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;
2281                 int i;
2282
2283                 op->ors_attrsonly = 1;
2284                 op->ors_attrs = slap_anlist_no_attrs;
2285                 op->ors_limit = NULL;
2286                 op->ors_filter = &uf;
2287
2288                 uf.f_ava = &eq;
2289                 uf.f_av_desc = slap_schema.si_ad_entryUUID;
2290                 uf.f_next = NULL;
2291                 uf.f_choice = LDAP_FILTER_EQUALITY;
2292                 si->si_refreshDelete |= NP_DELETE_ONE;
2293
2294                 for (i=0; uuids[i].bv_val; i++) {
2295                         op->ors_slimit = 1;
2296                         slap_uuidstr_from_normalized( &uf.f_av_value, &uuids[i],
2297                                 op->o_tmpmemctx );
2298                         filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2299                         op->o_tmpfree( uf.f_av_value.bv_val, op->o_tmpmemctx );
2300                         uf.f_av_value = uuids[i];
2301                         rc = be->be_search( op, &rs_search );
2302                         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2303                 }
2304                 si->si_refreshDelete ^= NP_DELETE_ONE;
2305         } else {
2306                 memset( &an[0], 0, 2 * sizeof( AttributeName ) );
2307                 an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
2308                 an[0].an_desc = slap_schema.si_ad_entryUUID;
2309                 op->ors_attrs = an;
2310                 op->ors_slimit = SLAP_NO_LIMIT;
2311                 op->ors_attrsonly = 0;
2312                 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
2313                 op->ors_filterstr = si->si_filterstr;
2314                 op->o_nocaching = 1;
2315
2316                 if ( limits_check( op, &rs_search ) == 0 ) {
2317                         rc = be->be_search( op, &rs_search );
2318                 }
2319                 if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
2320         }
2321
2322         op->o_nocaching = 0;
2323
2324         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
2325
2326                 if ( cookiecsn && !BER_BVISNULL( cookiecsn ) ) {
2327                         csn = *cookiecsn;
2328                 } else {
2329                         csn = si->si_syncCookie.ctxcsn[0];
2330                 }
2331
2332                 op->o_bd = si->si_wbe;
2333                 slap_queue_csn( op, &csn );
2334
2335                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
2336                 while ( np_list != NULL ) {
2337                         LDAP_LIST_REMOVE( np_list, npe_link );
2338                         np_prev = np_list;
2339                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
2340                         op->o_tag = LDAP_REQ_DELETE;
2341                         op->o_callback = &cb;
2342                         cb.sc_response = null_callback;
2343                         cb.sc_private = si;
2344                         op->o_req_dn = *np_prev->npe_name;
2345                         op->o_req_ndn = *np_prev->npe_nname;
2346                         rc = op->o_bd->be_delete( op, &rs_delete );
2347                         Debug( LDAP_DEBUG_SYNC,
2348                                 "syncrepl_del_nonpresent: %s be_delete %s (%d)\n",
2349                                 si->si_ridtxt, op->o_req_dn.bv_val, rc );
2350
2351                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
2352                                 Modifications mod1, mod2;
2353                                 mod1.sml_op = LDAP_MOD_REPLACE;
2354                                 mod1.sml_flags = 0;
2355                                 mod1.sml_desc = slap_schema.si_ad_objectClass;
2356                                 mod1.sml_type = mod1.sml_desc->ad_cname;
2357                                 mod1.sml_numvals = 2;
2358                                 mod1.sml_values = &gcbva[0];
2359                                 mod1.sml_nvalues = NULL;
2360                                 mod1.sml_next = &mod2;
2361
2362                                 mod2.sml_op = LDAP_MOD_REPLACE;
2363                                 mod2.sml_flags = 0;
2364                                 mod2.sml_desc = slap_schema.si_ad_structuralObjectClass;
2365                                 mod2.sml_type = mod2.sml_desc->ad_cname;
2366                                 mod1.sml_numvals = 1;
2367                                 mod2.sml_values = &gcbva[1];
2368                                 mod2.sml_nvalues = NULL;
2369                                 mod2.sml_next = NULL;
2370
2371                                 op->o_tag = LDAP_REQ_MODIFY;
2372                                 op->orm_modlist = &mod1;
2373
2374                                 rc = op->o_bd->be_modify( op, &rs_modify );
2375                                 if ( mod2.sml_next ) slap_mods_free( mod2.sml_next, 1 );
2376                         }
2377
2378                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
2379                                         op->o_delete_glue_parent ) {
2380                                 op->o_delete_glue_parent = 0;
2381                                 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2382                                         slap_callback cb = { NULL };
2383                                         cb.sc_response = slap_null_cb;
2384                                         dnParent( &op->o_req_ndn, &pdn );
2385                                         op->o_req_dn = pdn;
2386                                         op->o_req_ndn = pdn;
2387                                         op->o_callback = &cb;
2388                                         /* give it a root privil ? */
2389                                         op->o_bd->be_delete( op, &rs_delete );
2390                                 } else {
2391                                         break;
2392                                 }
2393                         }
2394
2395                         op->o_delete_glue_parent = 0;
2396
2397                         ber_bvfree( np_prev->npe_name );
2398                         ber_bvfree( np_prev->npe_nname );
2399                         ch_free( np_prev );
2400
2401                         if ( slapd_shutdown ) {
2402                                 break;
2403                         }
2404                 }
2405
2406                 slap_graduate_commit_csn( op );
2407                 op->o_bd = be;
2408
2409                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2410                 BER_BVZERO( &op->o_csn );
2411         }
2412
2413         return;
2414 }
2415
2416 int
2417 syncrepl_add_glue(
2418         Operation* op,
2419         Entry *e )
2420 {
2421         Backend *be = op->o_bd;
2422         slap_callback cb = { NULL };
2423         Attribute       *a;
2424         int     rc;
2425         int suffrdns;
2426         int i;
2427         struct berval dn = BER_BVNULL;
2428         struct berval ndn = BER_BVNULL;
2429         Entry   *glue;
2430         SlapReply       rs_add = {REP_RESULT};
2431         struct berval   ptr, nptr;
2432         char            *comma;
2433
2434         op->o_tag = LDAP_REQ_ADD;
2435         op->o_callback = &cb;
2436         cb.sc_response = null_callback;
2437         cb.sc_private = NULL;
2438
2439         dn = e->e_name;
2440         ndn = e->e_nname;
2441
2442         /* count RDNs in suffix */
2443         if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
2444                 for ( i = 0, ptr = be->be_nsuffix[0], comma = ptr.bv_val; comma != NULL; comma = ber_bvchr( &ptr, ',' ) ) {
2445                         comma++;
2446                         ptr.bv_len -= comma - ptr.bv_val;
2447                         ptr.bv_val = comma;
2448                         i++;
2449                 }
2450                 suffrdns = i;
2451         } else {
2452                 /* suffix is "" */
2453                 suffrdns = 0;
2454         }
2455
2456         /* Start with BE suffix */
2457         ptr = dn;
2458         for ( i = 0; i < suffrdns; i++ ) {
2459                 comma = ber_bvrchr( &ptr, ',' );
2460                 if ( comma != NULL ) {
2461                         ptr.bv_len = comma - ptr.bv_val;
2462                 } else {
2463                         ptr.bv_len = 0;
2464                         break;
2465                 }
2466         }
2467
2468         if ( !BER_BVISEMPTY( &ptr ) ) {
2469                 dn.bv_len -= ptr.bv_len + 1;
2470                 dn.bv_val += ptr.bv_len + 1;
2471         }
2472
2473         /* the normalizedDNs are always the same length, no counting
2474          * required.
2475          */
2476         nptr = ndn;
2477         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
2478                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
2479                 ndn.bv_len = be->be_nsuffix[0].bv_len;
2480
2481                 nptr.bv_len = ndn.bv_val - nptr.bv_val - 1;
2482
2483         } else {
2484                 nptr.bv_len = 0;
2485         }
2486
2487         while ( ndn.bv_val > e->e_nname.bv_val ) {
2488                 glue = entry_alloc();
2489                 ber_dupbv( &glue->e_name, &dn );
2490                 ber_dupbv( &glue->e_nname, &ndn );
2491
2492                 a = attr_alloc( slap_schema.si_ad_objectClass );
2493
2494                 a->a_numvals = 2;
2495                 a->a_vals = ch_calloc( 3, sizeof( struct berval ) );
2496                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
2497                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
2498                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
2499
2500                 a->a_nvals = a->a_vals;
2501
2502                 a->a_next = glue->e_attrs;
2503                 glue->e_attrs = a;
2504
2505                 a = attr_alloc( slap_schema.si_ad_structuralObjectClass );
2506
2507                 a->a_numvals = 1;
2508                 a->a_vals = ch_calloc( 2, sizeof( struct berval ) );
2509                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
2510                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
2511
2512                 a->a_nvals = a->a_vals;
2513
2514                 a->a_next = glue->e_attrs;
2515                 glue->e_attrs = a;
2516
2517                 op->o_req_dn = glue->e_name;
2518                 op->o_req_ndn = glue->e_nname;
2519                 op->ora_e = glue;
2520                 rc = be->be_add ( op, &rs_add );
2521                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
2522                         if ( op->ora_e == glue )
2523                                 be_entry_release_w( op, glue );
2524                 } else {
2525                 /* incl. ALREADY EXIST */
2526                         entry_free( glue );
2527                         if ( rs_add.sr_err != LDAP_ALREADY_EXISTS ) {
2528                                 entry_free( e );
2529                                 return rc;
2530                         }
2531                 }
2532
2533                 /* Move to next child */
2534                 comma = ber_bvrchr( &ptr, ',' );
2535                 if ( comma == NULL ) {
2536                         break;
2537                 }
2538                 ptr.bv_len = comma - ptr.bv_val;
2539
2540                 dn.bv_val = ++comma;
2541                 dn.bv_len = e->e_name.bv_len - (dn.bv_val - e->e_name.bv_val);
2542
2543                 comma = ber_bvrchr( &nptr, ',' );
2544                 assert( comma != NULL );
2545                 nptr.bv_len = comma - nptr.bv_val;
2546
2547                 ndn.bv_val = ++comma;
2548                 ndn.bv_len = e->e_nname.bv_len - (ndn.bv_val - e->e_nname.bv_val);
2549         }
2550
2551         op->o_req_dn = e->e_name;
2552         op->o_req_ndn = e->e_nname;
2553         op->ora_e = e;
2554         rc = be->be_add ( op, &rs_add );
2555         if ( rs_add.sr_err == LDAP_SUCCESS ) {
2556                 if ( op->ora_e == e )
2557                         be_entry_release_w( op, e );
2558         } else {
2559                 entry_free( e );
2560         }
2561
2562         return rc;
2563 }
2564
2565 static int
2566 syncrepl_updateCookie(
2567         syncinfo_t *si,
2568         Operation *op,
2569         struct berval *pdn,
2570         struct sync_cookie *syncCookie )
2571 {
2572         Backend *be = op->o_bd;
2573         Modifications mod[2];
2574         struct berval first = BER_BVNULL;
2575
2576         int rc, i, j, len;
2577
2578         slap_callback cb = { NULL };
2579         SlapReply       rs_modify = {REP_RESULT};
2580
2581         mod[0].sml_op = LDAP_MOD_DELETE;
2582         mod[0].sml_desc = slap_schema.si_ad_contextCSN;
2583         mod[0].sml_type = mod[0].sml_desc->ad_cname;
2584         mod[0].sml_values = NULL;
2585         mod[0].sml_nvalues = NULL;
2586         mod[0].sml_numvals = 0;
2587         mod[0].sml_next = &mod[1];
2588
2589         mod[1].sml_op = LDAP_MOD_ADD;
2590         mod[1].sml_desc = slap_schema.si_ad_contextCSN;
2591         mod[1].sml_type = mod[0].sml_desc->ad_cname;
2592         mod[1].sml_values = NULL;
2593         mod[1].sml_nvalues = NULL;
2594         mod[1].sml_numvals = 0;
2595         mod[1].sml_next = NULL;
2596
2597         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
2598
2599         for ( i=0; i<syncCookie->numcsns; i++ ) {
2600                 for ( j=0; j<si->si_cookieState->cs_num; j++ ) {
2601                         if ( syncCookie->sids[i] != si->si_cookieState->cs_sids[j] )
2602                                 continue;
2603                         len = syncCookie->ctxcsn[i].bv_len;
2604                         if ( len > si->si_cookieState->cs_vals[j].bv_len )
2605                                 len = si->si_cookieState->cs_vals[j].bv_len;
2606                         if ( memcmp( syncCookie->ctxcsn[i].bv_val,
2607                                 si->si_cookieState->cs_vals[j].bv_val, len ) > 0 ) {
2608                                 ber_bvarray_add_x( &mod[0].sml_values,
2609                                         &si->si_cookieState->cs_vals[j], op->o_tmpmemctx );
2610                                 mod[0].sml_numvals++;
2611                                 ber_bvarray_add_x( &mod[1].sml_values,
2612                                         &syncCookie->ctxcsn[i], op->o_tmpmemctx );
2613                                 mod[1].sml_numvals++;
2614                                 if ( BER_BVISNULL( &first ))
2615                                         first = syncCookie->ctxcsn[i];
2616                         }
2617                         break;
2618                 }
2619                 /* there was no match for this SID, it's a new CSN */
2620                 if ( j == si->si_cookieState->cs_num ) {
2621                         ber_bvarray_add_x( &mod[1].sml_values,
2622                                 &syncCookie->ctxcsn[i], op->o_tmpmemctx );
2623                         mod[1].sml_numvals++;
2624                         if ( BER_BVISNULL( &first ))
2625                                 first = syncCookie->ctxcsn[i];
2626                 }
2627         }
2628         /* Should never happen, ITS#5065 */
2629         if ( BER_BVISNULL( &first )) {
2630                 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
2631                 return 0;
2632         }
2633         op->o_bd = si->si_wbe;
2634         slap_queue_csn( op, &first );
2635
2636         op->o_tag = LDAP_REQ_MODIFY;
2637
2638         cb.sc_response = null_callback;
2639         cb.sc_private = si;
2640
2641         op->o_callback = &cb;
2642         op->o_req_dn = op->o_bd->be_suffix[0];
2643         op->o_req_ndn = op->o_bd->be_nsuffix[0];
2644
2645         /* update contextCSN */
2646         op->o_msgid = SLAP_SYNC_UPDATE_MSGID;
2647
2648         if ( mod[0].sml_values )
2649                 op->orm_modlist = mod;
2650         else
2651                 op->orm_modlist = &mod[1];
2652
2653         op->orm_no_opattrs = 1;
2654         rc = op->o_bd->be_modify( op, &rs_modify );
2655         op->orm_no_opattrs = 0;
2656         op->o_msgid = 0;
2657
2658         if ( rs_modify.sr_err == LDAP_SUCCESS ) {
2659                 slap_sync_cookie_free( &si->si_syncCookie, 0 );
2660                 slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
2661                 /* If we replaced any old values */
2662                 if ( mod[0].sml_values ) {
2663                         for ( i=0; !BER_BVISNULL( &mod[0].sml_values[i] ); i++ ) {
2664                                 for ( j=0; j<si->si_cookieState->cs_num; j++ ) {
2665                                         if ( mod[0].sml_values[i].bv_val !=
2666                                                 si->si_cookieState->cs_vals[j].bv_val )
2667                                                 continue;
2668                                         ber_bvreplace( &si->si_cookieState->cs_vals[j],
2669                                                 &mod[1].sml_values[i] );
2670                                         break;
2671                                 }
2672                         }
2673                 } else {
2674                         /* Else we just added */
2675                         si->si_cookieState->cs_num += syncCookie->numcsns;
2676                         value_add( &si->si_cookieState->cs_vals, syncCookie->ctxcsn );
2677                         free( si->si_cookieState->cs_sids );
2678                         si->si_cookieState->cs_sids = slap_parse_csn_sids(
2679                                 si->si_cookieState->cs_vals, si->si_cookieState->cs_num, NULL );
2680                 }
2681
2682                 si->si_cookieState->cs_age++;
2683                 si->si_cookieAge = si->si_cookieState->cs_age;
2684         } else {
2685                 Debug( LDAP_DEBUG_ANY,
2686                         "syncrepl_updateCookie: %s be_modify failed (%d)\n",
2687                         si->si_ridtxt, rs_modify.sr_err, 0 );
2688         }
2689         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
2690
2691         slap_graduate_commit_csn( op );
2692         op->o_bd = be;
2693         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2694         BER_BVZERO( &op->o_csn );
2695         if ( mod[1].sml_next ) slap_mods_free( mod[1].sml_next, 1 );
2696         op->o_tmpfree( mod[1].sml_values, op->o_tmpmemctx );
2697         op->o_tmpfree( mod[0].sml_values, op->o_tmpmemctx );
2698
2699         return rc;
2700 }
2701
2702 static void
2703 attr_cmp( Operation *op, Attribute *old, Attribute *new,
2704         Modifications ***mret, Modifications ***mcur )
2705 {
2706         int i, j;
2707         Modifications *mod, **modtail;
2708
2709         modtail = *mret;
2710
2711         if ( old ) {
2712                 int n, o, nn, no;
2713                 struct berval **adds, **dels;
2714                 /* count old and new */
2715                 for ( o=0; old->a_vals[o].bv_val; o++ ) ;
2716                 for ( n=0; new->a_vals[n].bv_val; n++ ) ;
2717
2718                 /* there MUST be both old and new values */
2719                 assert( o != 0 );
2720                 assert( n != 0 );
2721                 j = 0;
2722
2723                 adds = op->o_tmpalloc( sizeof(struct berval *) * n, op->o_tmpmemctx );
2724                 dels = op->o_tmpalloc( sizeof(struct berval *) * o, op->o_tmpmemctx );
2725
2726                 for ( i=0; i<o; i++ ) dels[i] = &old->a_vals[i];
2727                 for ( i=0; i<n; i++ ) adds[i] = &new->a_vals[i];
2728
2729                 nn = n; no = o;
2730
2731                 for ( i=0; i<o; i++ ) {
2732                         for ( j=0; j<n; j++ ) {
2733                                 if ( !adds[j] )
2734                                         continue;
2735                                 if ( bvmatch( dels[i], adds[j] ) ) {
2736                                         no--;
2737                                         nn--;
2738                                         adds[j] = NULL;
2739                                         dels[i] = NULL;
2740                                         break;
2741                                 }
2742                         }
2743                 }
2744
2745                 i = j;
2746                 /* all old values were deleted, just use the replace op */
2747                 if ( no == o ) {
2748                         i = j-1;
2749                 } else if ( no ) {
2750                 /* delete some values */
2751                         mod = ch_malloc( sizeof( Modifications ) );
2752                         mod->sml_op = LDAP_MOD_DELETE;
2753                         mod->sml_flags = 0;
2754                         mod->sml_desc = old->a_desc;
2755                         mod->sml_type = mod->sml_desc->ad_cname;
2756                         mod->sml_numvals = no;
2757                         mod->sml_values = ch_malloc( ( no + 1 ) * sizeof(struct berval) );
2758                         if ( old->a_vals != old->a_nvals ) {
2759                                 mod->sml_nvalues = ch_malloc( ( no + 1 ) * sizeof(struct berval) );
2760                         } else {
2761                                 mod->sml_nvalues = NULL;
2762                         }
2763                         j = 0;
2764                         for ( i = 0; i < o; i++ ) {
2765                                 if ( !dels[i] ) continue;
2766                                 ber_dupbv( &mod->sml_values[j], &old->a_vals[i] );
2767                                 if ( mod->sml_nvalues ) {
2768                                         ber_dupbv( &mod->sml_nvalues[j], &old->a_nvals[i] );
2769                                 }
2770                                 j++;
2771                         }
2772                         BER_BVZERO( &mod->sml_values[j] );
2773                         if ( mod->sml_nvalues ) {
2774                                 BER_BVZERO( &mod->sml_nvalues[j] );
2775                         }
2776                         *modtail = mod;
2777                         modtail = &mod->sml_next;
2778                         i = j;
2779                 }
2780                 op->o_tmpfree( dels, op->o_tmpmemctx );
2781                 /* some values were added */
2782                 if ( nn && no < o ) {
2783                         mod = ch_malloc( sizeof( Modifications ) );
2784                         mod->sml_op = LDAP_MOD_ADD;
2785                         mod->sml_flags = 0;
2786                         mod->sml_desc = old->a_desc;
2787                         mod->sml_type = mod->sml_desc->ad_cname;
2788                         mod->sml_numvals = nn;
2789                         mod->sml_values = ch_malloc( ( nn + 1 ) * sizeof(struct berval) );
2790                         if ( old->a_vals != old->a_nvals ) {
2791                                 mod->sml_nvalues = ch_malloc( ( nn + 1 ) * sizeof(struct berval) );
2792                         } else {
2793                                 mod->sml_nvalues = NULL;
2794                         }
2795                         j = 0;
2796                         for ( i = 0; i < n; i++ ) {
2797                                 if ( !adds[i] ) continue;
2798                                 ber_dupbv( &mod->sml_values[j], &new->a_vals[i] );
2799                                 if ( mod->sml_nvalues ) {
2800                                         ber_dupbv( &mod->sml_nvalues[j], &new->a_nvals[i] );
2801                                 }
2802                                 j++;
2803                         }
2804                         BER_BVZERO( &mod->sml_values[j] );
2805                         if ( mod->sml_nvalues ) {
2806                                 BER_BVZERO( &mod->sml_nvalues[j] );
2807                         }
2808                         *modtail = mod;
2809                         modtail = &mod->sml_next;
2810                         i = j;
2811                 }
2812                 op->o_tmpfree( adds, op->o_tmpmemctx );
2813         } else {
2814                 /* new attr, just use the new mod */
2815                 i = 0;
2816                 j = 1;
2817         }
2818         /* advance to next element */
2819         mod = **mcur;
2820         if ( mod ) {
2821                 if ( i != j ) {
2822                         **mcur = mod->sml_next;
2823                         *modtail = mod;
2824                         modtail = &mod->sml_next;
2825                 } else {
2826                         *mcur = &mod->sml_next;
2827                 }
2828         }
2829         *mret = modtail;
2830 }
2831
2832 static int
2833 dn_callback(
2834         Operation*      op,
2835         SlapReply*      rs )
2836 {
2837         dninfo *dni = op->o_callback->sc_private;
2838
2839         if ( rs->sr_type == REP_SEARCH ) {
2840                 if ( !BER_BVISNULL( &dni->dn ) ) {
2841                         Debug( LDAP_DEBUG_ANY,
2842                                 "dn_callback : consistency error - "
2843                                 "entryUUID is not unique\n", 0, 0, 0 );
2844                 } else {
2845                         ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
2846                         ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
2847                         /* If there is a new entry, see if it differs from the old.
2848                          * We compare the non-normalized values so that cosmetic changes
2849                          * in the provider are always propagated.
2850                          */
2851                         if ( dni->new_entry ) {
2852                                 Modifications **modtail, **ml;
2853                                 Attribute *old, *new;
2854                                 int is_ctx;
2855
2856                                 is_ctx = dn_match( &rs->sr_entry->e_nname,
2857                                         &op->o_bd->be_nsuffix[0] );
2858
2859                                 /* Did the DN change?
2860                                  */
2861                                 if ( !dn_match( &rs->sr_entry->e_name,
2862                                                 &dni->new_entry->e_name ) )
2863                                 {
2864                                         struct berval oldRDN, oldVal;
2865                                         AttributeDescription *ad = NULL;
2866                                         Attribute *a;
2867
2868                                         dni->renamed = 1;
2869                                         /* See if the oldRDN was deleted */
2870                                         dnRdn( &rs->sr_entry->e_nname, &oldRDN );
2871                                         oldVal.bv_val = strchr(oldRDN.bv_val, '=') + 1;
2872                                         oldVal.bv_len = oldRDN.bv_len - ( oldVal.bv_val -
2873                                                 oldRDN.bv_val );
2874                                         oldRDN.bv_len -= oldVal.bv_len + 2;
2875                                         slap_bv2ad( &oldRDN, &ad, &rs->sr_text );
2876                                         a = attr_find( dni->new_entry->e_attrs, ad );
2877                                         if ( !a || attr_valfind( a,
2878                                                 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH |
2879                                                 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
2880                                                 SLAP_MR_VALUE_OF_SYNTAX,
2881                                                 &oldVal, NULL, op->o_tmpmemctx ) != LDAP_SUCCESS )
2882                                         {
2883                                                 dni->delOldRDN = 1;
2884                                         }
2885                                         /* OK, this was just a modDN, we're done */
2886                                         return LDAP_SUCCESS;
2887                                 }
2888
2889                                 modtail = &dni->mods;
2890                                 ml = dni->modlist;
2891
2892                                 /* Make sure new entry is actually newer than old entry */
2893                                 old = attr_find( rs->sr_entry->e_attrs,
2894                                         slap_schema.si_ad_entryCSN );
2895                                 new = attr_find( dni->new_entry->e_attrs,
2896                                         slap_schema.si_ad_entryCSN );
2897                                 if ( new && old ) {
2898                                         int rc, len = old->a_vals[0].bv_len;
2899                                         if ( len > new->a_vals[0].bv_len )
2900                                                 len = new->a_vals[0].bv_len;
2901                                         rc = memcmp( old->a_vals[0].bv_val,
2902                                                 new->a_vals[0].bv_val, len );
2903                                         if ( rc > 0 ) {
2904                                                 Debug( LDAP_DEBUG_SYNC,
2905                                                         "dn_callback : new entry is older than ours "
2906                                                         "%s ours %s, new %s\n",
2907                                                         rs->sr_entry->e_name.bv_val,
2908                                                         old->a_vals[0].bv_val,
2909                                                         new->a_vals[0].bv_val );
2910                                                 return LDAP_SUCCESS;
2911                                         } else if ( rc == 0 ) {
2912                                                 Debug( LDAP_DEBUG_SYNC,
2913                                                         "dn_callback : entries have identical CSN "
2914                                                         "%s ours %s, new %s\n",
2915                                                         rs->sr_entry->e_name.bv_val,
2916                                                         old->a_vals[0].bv_val,
2917                                                         new->a_vals[0].bv_val );
2918                                                 return LDAP_SUCCESS;
2919                                         }
2920                                 }
2921
2922                                 /* We assume that attributes are saved in the same order
2923                                  * in the remote and local databases. So if we walk through
2924                                  * the attributeDescriptions one by one they should match in
2925                                  * lock step. If not, look for an add or delete.
2926                                  */
2927                                 for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
2928                                                 old && new; )
2929                                 {
2930                                         /* If we've seen this before, use its mod now */
2931                                         if ( new->a_flags & SLAP_ATTR_IXADD ) {
2932                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2933                                                 new = new->a_next;
2934                                                 continue;
2935                                         }
2936                                         /* Skip contextCSN */
2937                                         if ( is_ctx && old->a_desc ==
2938                                                 slap_schema.si_ad_contextCSN ) {
2939                                                 old = old->a_next;
2940                                                 continue;
2941                                         }
2942
2943                                         if ( old->a_desc != new->a_desc ) {
2944                                                 Modifications *mod;
2945                                                 Attribute *tmp;
2946
2947                                                 /* If it's just been re-added later,
2948                                                  * remember that we've seen it.
2949                                                  */
2950                                                 tmp = attr_find( new, old->a_desc );
2951                                                 if ( tmp ) {
2952                                                         tmp->a_flags |= SLAP_ATTR_IXADD;
2953                                                 } else {
2954                                                         /* If it's a new attribute, pull it in.
2955                                                          */
2956                                                         tmp = attr_find( old, new->a_desc );
2957                                                         if ( !tmp ) {
2958                                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2959                                                                 new = new->a_next;
2960                                                                 continue;
2961                                                         }
2962                                                         /* Delete old attr */
2963                                                         mod = ch_malloc( sizeof( Modifications ) );
2964                                                         mod->sml_op = LDAP_MOD_DELETE;
2965                                                         mod->sml_flags = 0;
2966                                                         mod->sml_desc = old->a_desc;
2967                                                         mod->sml_type = mod->sml_desc->ad_cname;
2968                                                         mod->sml_numvals = 0;
2969                                                         mod->sml_values = NULL;
2970                                                         mod->sml_nvalues = NULL;
2971                                                         *modtail = mod;
2972                                                         modtail = &mod->sml_next;
2973                                                 }
2974                                                 old = old->a_next;
2975                                                 continue;
2976                                         }
2977                                         /* kludge - always update modifiersName so that it
2978                                          * stays co-located with the other mod opattrs. But only
2979                                          * if we know there are other valid mods.
2980                                          */
2981                                         if ( old->a_desc == slap_schema.si_ad_modifiersName &&
2982                                                 dni->mods )
2983                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2984                                         else
2985                                                 attr_cmp( op, old, new, &modtail, &ml );
2986                                         new = new->a_next;
2987                                         old = old->a_next;
2988                                 }
2989                                 *modtail = *ml;
2990                                 *ml = NULL;
2991                         }
2992                 }
2993         } else if ( rs->sr_type == REP_RESULT ) {
2994                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
2995                         Debug( LDAP_DEBUG_ANY,
2996                                 "dn_callback : consistency error - "
2997                                 "entryUUID is not unique\n", 0, 0, 0 );
2998                 }
2999         }
3000
3001         return LDAP_SUCCESS;
3002 }
3003
3004 static int
3005 nonpresent_callback(
3006         Operation*      op,
3007         SlapReply*      rs )
3008 {
3009         syncinfo_t *si = op->o_callback->sc_private;
3010         Attribute *a;
3011         int count = 0;
3012         struct berval* present_uuid = NULL;
3013         struct nonpresent_entry *np_entry;
3014
3015         if ( rs->sr_type == REP_RESULT ) {
3016                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
3017                 si->si_presentlist = NULL;
3018
3019         } else if ( rs->sr_type == REP_SEARCH ) {
3020                 if ( !( si->si_refreshDelete & NP_DELETE_ONE ) ) {
3021                         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
3022
3023                         if ( a ) {
3024                                 present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
3025                                         syncuuid_cmp );
3026                         }
3027
3028                         if ( LogTest( LDAP_DEBUG_SYNC ) ) {
3029                                 char buf[sizeof("rid=999 not")];
3030
3031                                 snprintf( buf, sizeof(buf), "%s %s", si->si_ridtxt,
3032                                         present_uuid ? "got" : "not" );
3033
3034                                 Debug( LDAP_DEBUG_SYNC, "nonpresent_callback: %s UUID %s, dn %s\n",
3035                                         buf, a ? a->a_vals[0].bv_val : "<missing>", rs->sr_entry->e_name.bv_val );
3036                         }
3037
3038                         if ( a == NULL ) return 0;
3039                 }
3040
3041                 if ( present_uuid == NULL ) {
3042                         np_entry = (struct nonpresent_entry *)
3043                                 ch_calloc( 1, sizeof( struct nonpresent_entry ) );
3044                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
3045                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
3046                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
3047
3048                 } else {
3049                         avl_delete( &si->si_presentlist,
3050                                         &a->a_nvals[0], syncuuid_cmp );
3051                         ch_free( present_uuid->bv_val );
3052                         ch_free( present_uuid );
3053                 }
3054         }
3055         return LDAP_SUCCESS;
3056 }
3057
3058 static int
3059 null_callback(
3060         Operation*      op,
3061         SlapReply*      rs )
3062 {
3063         if ( rs->sr_err != LDAP_SUCCESS &&
3064                 rs->sr_err != LDAP_REFERRAL &&
3065                 rs->sr_err != LDAP_ALREADY_EXISTS &&
3066                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
3067                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
3068         {
3069                 Debug( LDAP_DEBUG_ANY,
3070                         "null_callback : error code 0x%x\n",
3071                         rs->sr_err, 0, 0 );
3072         }
3073         return LDAP_SUCCESS;
3074 }
3075
3076 static struct berval *
3077 slap_uuidstr_from_normalized(
3078         struct berval* uuidstr,
3079         struct berval* normalized,
3080         void *ctx )
3081 {
3082 #if 0
3083         struct berval *new;
3084         unsigned char nibble;
3085         int i, d = 0;
3086
3087         if ( normalized == NULL ) return NULL;
3088         if ( normalized->bv_len != 16 ) return NULL;
3089
3090         if ( uuidstr ) {
3091                 new = uuidstr;
3092         } else {
3093                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3094                 if ( new == NULL ) {
3095                         return NULL;
3096                 }
3097         }
3098
3099         new->bv_len = 36;
3100
3101         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3102                 if ( new != uuidstr ) {
3103                         slap_sl_free( new, ctx );
3104                 }
3105                 return NULL;
3106         }
3107
3108         for ( i = 0; i < 16; i++ ) {
3109                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
3110                         new->bv_val[(i<<1)+d] = '-';
3111                         d += 1;
3112                 }
3113
3114                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
3115                 if ( nibble < 10 ) {
3116                         new->bv_val[(i<<1)+d] = nibble + '0';
3117                 } else {
3118                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
3119                 }
3120
3121                 nibble = (normalized->bv_val[i]) & 0xF;
3122                 if ( nibble < 10 ) {
3123                         new->bv_val[(i<<1)+d+1] = nibble + '0';
3124                 } else {
3125                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
3126                 }
3127         }
3128
3129         new->bv_val[new->bv_len] = '\0';
3130         return new;
3131 #endif
3132
3133         struct berval   *new;
3134         int             rc = 0;
3135
3136         if ( normalized == NULL ) return NULL;
3137         if ( normalized->bv_len != 16 ) return NULL;
3138
3139         if ( uuidstr ) {
3140                 new = uuidstr;
3141
3142         } else {
3143                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3144                 if ( new == NULL ) {
3145                         return NULL;
3146                 }
3147         }
3148
3149         new->bv_len = 36;
3150
3151         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3152                 rc = 1;
3153                 goto done;
3154         }
3155
3156         rc = lutil_uuidstr_from_normalized( normalized->bv_val,
3157                 normalized->bv_len, new->bv_val, new->bv_len + 1 );
3158
3159 done:;
3160         if ( rc == -1 ) {
3161                 if ( new != NULL ) {
3162                         if ( new->bv_val != NULL ) {
3163                                 slap_sl_free( new->bv_val, ctx );
3164                         }
3165
3166                         if ( new != uuidstr ) {
3167                                 slap_sl_free( new, ctx );
3168                         }
3169                 }
3170                 new = NULL;
3171
3172         } else {
3173                 new->bv_len = rc;
3174         }
3175
3176         return new;
3177 }
3178
3179 static int
3180 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
3181 {
3182         const struct berval *uuid1 = v_uuid1;
3183         const struct berval *uuid2 = v_uuid2;
3184         int rc = uuid1->bv_len - uuid2->bv_len;
3185         if ( rc ) return rc;
3186         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
3187 }
3188
3189 static void
3190 avl_ber_bvfree( void *v_bv )
3191 {
3192         struct berval   *bv = (struct berval *)v_bv;
3193
3194         if( v_bv == NULL ) return;
3195         if ( !BER_BVISNULL( bv ) ) {
3196                 ch_free( bv->bv_val );
3197         }
3198         ch_free( (char *) bv );
3199 }
3200
3201 void
3202 syncinfo_free( syncinfo_t *sie, int free_all )
3203 {
3204         syncinfo_t *si_next;
3205
3206         if ( free_all && sie->si_cookieState ) {
3207                 ch_free( sie->si_cookieState->cs_sids );
3208                 ber_bvarray_free( sie->si_cookieState->cs_vals );
3209                 ldap_pvt_thread_mutex_destroy( &sie->si_cookieState->cs_mutex );
3210                 ch_free( sie->si_cookieState );
3211         }
3212         do {
3213                 si_next = sie->si_next;
3214
3215                 if ( sie->si_ld ) {
3216                         if ( sie->si_conn_setup ) {
3217                                 ber_socket_t s;
3218                                 ldap_get_option( sie->si_ld, LDAP_OPT_DESC, &s );
3219                                 connection_client_stop( s );
3220                                 sie->si_conn_setup = 0;
3221                         }
3222                         ldap_unbind_ext( sie->si_ld, NULL, NULL );
3223                 }
3224
3225                 /* re-fetch it, in case it was already removed */
3226                 sie->si_re = ldap_pvt_runqueue_find( &slapd_rq, do_syncrepl, sie );
3227                 if ( sie->si_re ) {
3228                         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, sie->si_re ) )
3229                                 ldap_pvt_runqueue_stoptask( &slapd_rq, sie->si_re );
3230                         ldap_pvt_runqueue_remove( &slapd_rq, sie->si_re );
3231                 }
3232
3233                 ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
3234
3235                 bindconf_free( &sie->si_bindconf );
3236
3237                 if ( sie->si_filterstr.bv_val ) {
3238                         ch_free( sie->si_filterstr.bv_val );
3239                 }
3240                 if ( sie->si_logfilterstr.bv_val ) {
3241                         ch_free( sie->si_logfilterstr.bv_val );
3242                 }
3243                 if ( sie->si_base.bv_val ) {
3244                         ch_free( sie->si_base.bv_val );
3245                 }
3246                 if ( sie->si_logbase.bv_val ) {
3247                         ch_free( sie->si_logbase.bv_val );
3248                 }
3249                 if ( sie->si_attrs ) {
3250                         int i = 0;
3251                         while ( sie->si_attrs[i] != NULL ) {
3252                                 ch_free( sie->si_attrs[i] );
3253                                 i++;
3254                         }
3255                         ch_free( sie->si_attrs );
3256                 }
3257                 if ( sie->si_exattrs ) {
3258                         int i = 0;
3259                         while ( sie->si_exattrs[i] != NULL ) {
3260                                 ch_free( sie->si_exattrs[i] );
3261                                 i++;
3262                         }
3263                         ch_free( sie->si_exattrs );
3264                 }
3265                 if ( sie->si_anlist ) {
3266                         int i = 0;
3267                         while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
3268                                 ch_free( sie->si_anlist[i].an_name.bv_val );
3269                                 i++;
3270                         }
3271                         ch_free( sie->si_anlist );
3272                 }
3273                 if ( sie->si_exanlist ) {
3274                         int i = 0;
3275                         while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
3276                                 ch_free( sie->si_exanlist[i].an_name.bv_val );
3277                                 i++;
3278                         }
3279                         ch_free( sie->si_exanlist );
3280                 }
3281                 if ( sie->si_retryinterval ) {
3282                         ch_free( sie->si_retryinterval );
3283                 }
3284                 if ( sie->si_retrynum ) {
3285                         ch_free( sie->si_retrynum );
3286                 }
3287                 if ( sie->si_retrynum_init ) {
3288                         ch_free( sie->si_retrynum_init );
3289                 }
3290                 slap_sync_cookie_free( &sie->si_syncCookie, 0 );
3291                 if ( sie->si_presentlist ) {
3292                     avl_free( sie->si_presentlist, avl_ber_bvfree );
3293                 }
3294                 while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist ) ) {
3295                         struct nonpresent_entry* npe;
3296                         npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
3297                         LDAP_LIST_REMOVE( npe, npe_link );
3298                         if ( npe->npe_name ) {
3299                                 if ( npe->npe_name->bv_val ) {
3300                                         ch_free( npe->npe_name->bv_val );
3301                                 }
3302                                 ch_free( npe->npe_name );
3303                         }
3304                         if ( npe->npe_nname ) {
3305                                 if ( npe->npe_nname->bv_val ) {
3306                                         ch_free( npe->npe_nname->bv_val );
3307                                 }
3308                                 ch_free( npe->npe_nname );
3309                         }
3310                         ch_free( npe );
3311                 }
3312                 ch_free( sie );
3313                 sie = si_next;
3314         } while ( free_all && si_next );
3315 }
3316
3317
3318
3319 /* NOTE: used & documented in slapd.conf(5) */
3320 #define IDSTR                   "rid"
3321 #define PROVIDERSTR             "provider"
3322 #define SCHEMASTR               "schemachecking"
3323 #define FILTERSTR               "filter"
3324 #define SEARCHBASESTR           "searchbase"
3325 #define SCOPESTR                "scope"
3326 #define ATTRSONLYSTR            "attrsonly"
3327 #define ATTRSSTR                "attrs"
3328 #define TYPESTR                 "type"
3329 #define INTERVALSTR             "interval"
3330 #define RETRYSTR                "retry"
3331 #define SLIMITSTR               "sizelimit"
3332 #define TLIMITSTR               "timelimit"
3333 #define SYNCDATASTR             "syncdata"
3334 #define LOGBASESTR              "logbase"
3335 #define LOGFILTERSTR    "logfilter"
3336
3337 /* FIXME: undocumented */
3338 #define EXATTRSSTR              "exattrs"
3339 #define MANAGEDSAITSTR          "manageDSAit"
3340
3341 /* mandatory */
3342 #define GOT_ID                  0x0001
3343 #define GOT_PROVIDER    0x0002
3344 #define GOT_BASE                0x0004
3345
3346 /* check */
3347 #define GOT_ALL                 (GOT_ID|GOT_PROVIDER|GOT_BASE)
3348
3349 static struct {
3350         struct berval key;
3351         int val;
3352 } scopes[] = {
3353         { BER_BVC("base"), LDAP_SCOPE_BASE },
3354         { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
3355         { BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL },   /* OpenLDAP extension */
3356         { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
3357         { BER_BVC("subord"), LDAP_SCOPE_SUBORDINATE },
3358         { BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
3359         { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
3360         { BER_BVC("subtree"), LDAP_SCOPE_SUBTREE },     /* OpenLDAP extension */
3361         { BER_BVNULL, 0 }
3362 };
3363
3364 static slap_verbmasks datamodes[] = {
3365         { BER_BVC("default"), SYNCDATA_DEFAULT },
3366         { BER_BVC("accesslog"), SYNCDATA_ACCESSLOG },
3367         { BER_BVC("changelog"), SYNCDATA_CHANGELOG },
3368         { BER_BVNULL, 0 }
3369 };
3370
3371 static int
3372 parse_syncrepl_line(
3373         ConfigArgs      *c,
3374         syncinfo_t      *si )
3375 {
3376         int     gots = 0;
3377         int     i;
3378         char    *val;
3379
3380         for ( i = 1; i < c->argc; i++ ) {
3381                 if ( !strncasecmp( c->argv[ i ], IDSTR "=",
3382                                         STRLENOF( IDSTR "=" ) ) )
3383                 {
3384                         int tmp;
3385                         /* '\0' string terminator accounts for '=' */
3386                         val = c->argv[ i ] + STRLENOF( IDSTR "=" );
3387                         if ( lutil_atoi( &tmp, val ) != 0 ) {
3388                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3389                                         "Error: parse_syncrepl_line: "
3390                                         "unable to parse syncrepl id \"%s\"", val );
3391                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3392                                 return -1;
3393                         }
3394                         if ( tmp > SLAP_SYNC_SID_MAX || tmp < 0 ) {
3395                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3396                                         "Error: parse_syncrepl_line: "
3397                                         "syncrepl id %d is out of range [0..4095]", tmp );
3398                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3399                                 return -1;
3400                         }
3401                         si->si_rid = tmp;
3402                         sprintf( si->si_ridtxt, IDSTR "=%03d", si->si_rid );
3403                         gots |= GOT_ID;
3404                 } else if ( !strncasecmp( c->argv[ i ], PROVIDERSTR "=",
3405                                         STRLENOF( PROVIDERSTR "=" ) ) )
3406                 {
3407                         val = c->argv[ i ] + STRLENOF( PROVIDERSTR "=" );
3408                         ber_str2bv( val, 0, 1, &si->si_bindconf.sb_uri );
3409                         gots |= GOT_PROVIDER;
3410                 } else if ( !strncasecmp( c->argv[ i ], SCHEMASTR "=",
3411                                         STRLENOF( SCHEMASTR "=" ) ) )
3412                 {
3413                         val = c->argv[ i ] + STRLENOF( SCHEMASTR "=" );
3414                         if ( !strncasecmp( val, "on", STRLENOF( "on" ) ) ) {
3415                                 si->si_schemachecking = 1;
3416                         } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
3417                                 si->si_schemachecking = 0;
3418                         } else {
3419                                 si->si_schemachecking = 1;
3420                         }
3421                 } else if ( !strncasecmp( c->argv[ i ], FILTERSTR "=",
3422                                         STRLENOF( FILTERSTR "=" ) ) )
3423                 {
3424                         val = c->argv[ i ] + STRLENOF( FILTERSTR "=" );
3425                         if ( si->si_filterstr.bv_val )
3426                                 ch_free( si->si_filterstr.bv_val );
3427                         ber_str2bv( val, 0, 1, &si->si_filterstr );
3428                 } else if ( !strncasecmp( c->argv[ i ], LOGFILTERSTR "=",
3429                                         STRLENOF( LOGFILTERSTR "=" ) ) )
3430                 {
3431                         val = c->argv[ i ] + STRLENOF( LOGFILTERSTR "=" );
3432                         if ( si->si_logfilterstr.bv_val )
3433                                 ch_free( si->si_logfilterstr.bv_val );
3434                         ber_str2bv( val, 0, 1, &si->si_logfilterstr );
3435                 } else if ( !strncasecmp( c->argv[ i ], SEARCHBASESTR "=",
3436                                         STRLENOF( SEARCHBASESTR "=" ) ) )
3437                 {
3438                         struct berval   bv;
3439                         int             rc;
3440
3441                         val = c->argv[ i ] + STRLENOF( SEARCHBASESTR "=" );
3442                         if ( si->si_base.bv_val ) {
3443                                 ch_free( si->si_base.bv_val );
3444                         }
3445                         ber_str2bv( val, 0, 0, &bv );
3446                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
3447                         if ( rc != LDAP_SUCCESS ) {
3448                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3449                                         "Invalid base DN \"%s\": %d (%s)",
3450                                         val, rc, ldap_err2string( rc ) );
3451                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3452                                 return -1;
3453                         }
3454                         if ( !be_issubordinate( c->be, &si->si_base ) ) {
3455                                 ch_free( si->si_base.bv_val );
3456                                 BER_BVZERO( &si->si_base );
3457                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3458                                         "Base DN \"%s\" is not within the database naming context",
3459                                         val );
3460                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3461                                 return -1;
3462                         }
3463                         gots |= GOT_BASE;
3464                 } else if ( !strncasecmp( c->argv[ i ], LOGBASESTR "=",
3465                                         STRLENOF( LOGBASESTR "=" ) ) )
3466                 {
3467                         struct berval   bv;
3468                         int             rc;
3469
3470                         val = c->argv[ i ] + STRLENOF( LOGBASESTR "=" );
3471                         if ( si->si_logbase.bv_val ) {
3472                                 ch_free( si->si_logbase.bv_val );
3473                         }
3474                         ber_str2bv( val, 0, 0, &bv );
3475                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_logbase, NULL );
3476                         if ( rc != LDAP_SUCCESS ) {
3477                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3478                                         "Invalid logbase DN \"%s\": %d (%s)",
3479                                         val, rc, ldap_err2string( rc ) );
3480                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3481                                 return -1;
3482                         }
3483                 } else if ( !strncasecmp( c->argv[ i ], SCOPESTR "=",
3484                                         STRLENOF( SCOPESTR "=" ) ) )
3485                 {
3486                         int j;
3487                         val = c->argv[ i ] + STRLENOF( SCOPESTR "=" );
3488                         for ( j = 0; !BER_BVISNULL(&scopes[j].key); j++ ) {
3489                                 if (!strcasecmp( val, scopes[j].key.bv_val ) ) {
3490                                         si->si_scope = scopes[j].val;
3491                                         break;
3492                                 }
3493                         }
3494                         if ( BER_BVISNULL(&scopes[j].key) ) {
3495                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3496                                         "Error: parse_syncrepl_line: "
3497                                         "unknown scope \"%s\"", val);
3498                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3499                                 return -1;
3500                         }
3501                 } else if ( !strncasecmp( c->argv[ i ], ATTRSONLYSTR,
3502                                         STRLENOF( ATTRSONLYSTR ) ) )
3503                 {
3504                         si->si_attrsonly = 1;
3505                 } else if ( !strncasecmp( c->argv[ i ], ATTRSSTR "=",
3506                                         STRLENOF( ATTRSSTR "=" ) ) )
3507                 {
3508                         val = c->argv[ i ] + STRLENOF( ATTRSSTR "=" );
3509                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3510                                 char *attr_fname;
3511                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3512                                 si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
3513                                 if ( si->si_anlist == NULL ) {
3514                                         ch_free( attr_fname );
3515                                         return -1;
3516                                 }
3517                                 si->si_anfile = attr_fname;
3518                         } else {
3519                                 char *str, *s, *next;
3520                                 char delimstr[] = " ,\t";
3521                                 str = ch_strdup( val );
3522                                 for ( s = ldap_pvt_strtok( str, delimstr, &next );
3523                                                 s != NULL;
3524                                                 s = ldap_pvt_strtok( NULL, delimstr, &next ) )
3525                                 {
3526                                         if ( strlen(s) == 1 && *s == '*' ) {
3527                                                 si->si_allattrs = 1;
3528                                                 val[ s - str ] = delimstr[0];
3529                                         }
3530                                         if ( strlen(s) == 1 && *s == '+' ) {
3531                                                 si->si_allopattrs = 1;
3532                                                 val [ s - str ] = delimstr[0];
3533                                         }
3534                                 }
3535                                 ch_free( str );
3536                                 si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
3537                                 if ( si->si_anlist == NULL ) {
3538                                         return -1;
3539                                 }
3540                         }
3541                 } else if ( !strncasecmp( c->argv[ i ], EXATTRSSTR "=",
3542                                         STRLENOF( EXATTRSSTR "=" ) ) )
3543                 {
3544                         val = c->argv[ i ] + STRLENOF( EXATTRSSTR "=" );
3545                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3546                                 char *attr_fname;
3547                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3548                                 si->si_exanlist = file2anlist(
3549                                         si->si_exanlist, attr_fname, " ,\t" );
3550                                 if ( si->si_exanlist == NULL ) {
3551                                         ch_free( attr_fname );
3552                                         return -1;
3553                                 }
3554                                 ch_free( attr_fname );
3555                         } else {
3556                                 si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
3557                                 if ( si->si_exanlist == NULL ) {
3558                                         return -1;
3559                                 }
3560                         }
3561                 } else if ( !strncasecmp( c->argv[ i ], TYPESTR "=",
3562                                         STRLENOF( TYPESTR "=" ) ) )
3563                 {
3564                         val = c->argv[ i ] + STRLENOF( TYPESTR "=" );
3565                         if ( !strncasecmp( val, "refreshOnly",
3566                                                 STRLENOF("refreshOnly") ) )
3567                         {
3568                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3569                         } else if ( !strncasecmp( val, "refreshAndPersist",
3570                                                 STRLENOF("refreshAndPersist") ) )
3571                         {
3572                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_AND_PERSIST;
3573                                 si->si_interval = 60;
3574                         } else {
3575                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3576                                         "Error: parse_syncrepl_line: "
3577                                         "unknown sync type \"%s\"", val);
3578                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3579                                 return -1;
3580                         }
3581                 } else if ( !strncasecmp( c->argv[ i ], INTERVALSTR "=",
3582                                         STRLENOF( INTERVALSTR "=" ) ) )
3583                 {
3584                         val = c->argv[ i ] + STRLENOF( INTERVALSTR "=" );
3585                         if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
3586                                 si->si_interval = 0;
3587                         } else if ( strchr( val, ':' ) != NULL ) {
3588                                 char *next, *ptr = val;
3589                                 unsigned dd, hh, mm, ss;
3590
3591                                 /* NOTE: the test for ptr[ 0 ] == '-'
3592                                  * should go before the call to strtoul() */
3593                                 dd = strtoul( ptr, &next, 10 );
3594                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' ) {
3595                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3596                                                 "Error: parse_syncrepl_line: "
3597                                                 "invalid interval \"%s\", unable to parse days", val );
3598                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3599                                         return -1;
3600                                 }
3601                                 ptr = next + 1;
3602                                 hh = strtoul( ptr, &next, 10 );
3603                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || hh > 24 ) {
3604                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3605                                                 "Error: parse_syncrepl_line: "
3606                                                 "invalid interval \"%s\", unable to parse hours", val );
3607                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3608                                         return -1;
3609                                 }
3610                                 ptr = next + 1;
3611                                 mm = strtoul( ptr, &next, 10 );
3612                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || mm > 60 ) {
3613                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3614                                                 "Error: parse_syncrepl_line: "
3615                                                 "invalid interval \"%s\", unable to parse minutes", val );
3616                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3617                                         return -1;
3618                                 }
3619                                 ptr = next + 1;
3620                                 ss = strtoul( ptr, &next, 10 );
3621                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != '\0' || ss > 60 ) {
3622                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3623                                                 "Error: parse_syncrepl_line: "
3624                                                 "invalid interval \"%s\", unable to parse seconds", val );
3625                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3626                                         return -1;
3627                                 }
3628                                 si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
3629                         } else {
3630                                 unsigned long   t;
3631
3632                                 if ( lutil_parse_time( val, &t ) != 0 ) {
3633                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3634                                                 "Error: parse_syncrepl_line: "
3635                                                 "invalid interval \"%s\"", val );
3636                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3637                                         return -1;
3638                                 }
3639                                 si->si_interval = (time_t)t;
3640                         }
3641                         if ( si->si_interval < 0 ) {
3642                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3643                                         "Error: parse_syncrepl_line: "
3644                                         "invalid interval \"%ld\"",
3645                                         (long) si->si_interval);
3646                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3647                                 return -1;
3648                         }
3649                 } else if ( !strncasecmp( c->argv[ i ], RETRYSTR "=",
3650                                         STRLENOF( RETRYSTR "=" ) ) )
3651                 {
3652                         char **retry_list;
3653                         int j, k, n;
3654
3655                         val = c->argv[ i ] + STRLENOF( RETRYSTR "=" );
3656                         retry_list = (char **) ch_calloc( 1, sizeof( char * ) );
3657                         retry_list[0] = NULL;
3658
3659                         slap_str2clist( &retry_list, val, " ,\t" );
3660
3661                         for ( k = 0; retry_list && retry_list[k]; k++ ) ;
3662                         n = k / 2;
3663                         if ( k % 2 ) {
3664                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3665                                         "Error: incomplete syncrepl retry list" );
3666                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3667                                 for ( k = 0; retry_list && retry_list[k]; k++ ) {
3668                                         ch_free( retry_list[k] );
3669                                 }
3670                                 ch_free( retry_list );
3671                                 return 1;
3672                         }
3673                         si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ) );
3674                         si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ) );
3675                         si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ) );
3676                         for ( j = 0; j < n; j++ ) {
3677                                 unsigned long   t;
3678                                 if ( lutil_atoul( &t, retry_list[j*2] ) != 0 ) {
3679                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3680                                                 "Error: invalid retry interval \"%s\" (#%d)",
3681                                                 retry_list[j*2], j );
3682                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3683                                         /* do some cleanup */
3684                                         return 1;
3685                                 }
3686                                 si->si_retryinterval[j] = (time_t)t;
3687                                 if ( *retry_list[j*2+1] == '+' ) {
3688                                         si->si_retrynum_init[j] = RETRYNUM_FOREVER;
3689                                         si->si_retrynum[j] = RETRYNUM_FOREVER;
3690                                         j++;
3691                                         break;
3692                                 } else {
3693                                         if ( lutil_atoi( &si->si_retrynum_init[j], retry_list[j*2+1] ) != 0
3694                                                         || si->si_retrynum_init[j] <= 0 )
3695                                         {
3696                                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3697                                                         "Error: invalid initial retry number \"%s\" (#%d)",
3698                                                         retry_list[j*2+1], j );
3699                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3700                                                 /* do some cleanup */
3701                                                 return 1;
3702                                         }
3703                                         if ( lutil_atoi( &si->si_retrynum[j], retry_list[j*2+1] ) != 0
3704                                                         || si->si_retrynum[j] <= 0 )
3705                                         {
3706                                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3707                                                         "Error: invalid retry number \"%s\" (#%d)",
3708                                                         retry_list[j*2+1], j );
3709                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3710                                                 /* do some cleanup */
3711                                                 return 1;
3712                                         }
3713                                 }
3714                         }
3715                         si->si_retrynum_init[j] = RETRYNUM_TAIL;
3716                         si->si_retrynum[j] = RETRYNUM_TAIL;
3717                         si->si_retryinterval[j] = 0;
3718
3719                         for ( k = 0; retry_list && retry_list[k]; k++ ) {
3720                                 ch_free( retry_list[k] );
3721                         }
3722                         ch_free( retry_list );
3723                 } else if ( !strncasecmp( c->argv[ i ], MANAGEDSAITSTR "=",
3724                                         STRLENOF( MANAGEDSAITSTR "=" ) ) )
3725                 {
3726                         val = c->argv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
3727                         if ( lutil_atoi( &si->si_manageDSAit, val ) != 0
3728                                 || si->si_manageDSAit < 0 || si->si_manageDSAit > 1 )
3729                         {
3730                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3731                                         "invalid manageDSAit value \"%s\".\n",
3732                                         val );
3733                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3734                                 return 1;
3735                         }
3736                 } else if ( !strncasecmp( c->argv[ i ], SLIMITSTR "=",
3737                                         STRLENOF( SLIMITSTR "=") ) )
3738                 {
3739                         val = c->argv[ i ] + STRLENOF( SLIMITSTR "=" );
3740                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3741                                 si->si_slimit = 0;
3742
3743                         } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || si->si_slimit < 0 ) {
3744                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3745                                         "invalid size limit value \"%s\".\n",
3746                                         val );
3747                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3748                                 return 1;
3749                         }
3750                 } else if ( !strncasecmp( c->argv[ i ], TLIMITSTR "=",
3751                                         STRLENOF( TLIMITSTR "=" ) ) )
3752                 {
3753                         val = c->argv[ i ] + STRLENOF( TLIMITSTR "=" );
3754                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3755                                 si->si_tlimit = 0;
3756
3757                         } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || si->si_tlimit < 0 ) {
3758                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3759                                         "invalid time limit value \"%s\".\n",
3760                                         val );
3761                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3762                                 return 1;
3763                         }
3764                 } else if ( !strncasecmp( c->argv[ i ], SYNCDATASTR "=",
3765                                         STRLENOF( SYNCDATASTR "=" ) ) )
3766                 {
3767                         val = c->argv[ i ] + STRLENOF( SYNCDATASTR "=" );
3768                         si->si_syncdata = verb_to_mask( val, datamodes );
3769                 } else if ( bindconf_parse( c->argv[i], &si->si_bindconf ) ) {
3770                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3771                                 "Error: parse_syncrepl_line: "
3772                                 "unable to parse \"%s\"\n", c->argv[ i ] );
3773                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3774                         return -1;
3775                 }
3776         }
3777
3778         if ( gots != GOT_ALL ) {
3779                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3780                         "Error: Malformed \"syncrepl\" line in slapd config file, missing%s%s%s",
3781                         gots & GOT_ID ? "" : " "IDSTR,
3782                         gots & GOT_PROVIDER ? "" : " "PROVIDERSTR,
3783                         gots & GOT_BASE ? "" : " "SEARCHBASESTR );
3784                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3785                 return -1;
3786         }
3787
3788         return 0;
3789 }
3790
3791 static int
3792 add_syncrepl(
3793         ConfigArgs *c )
3794 {
3795         syncinfo_t *si;
3796         int     rc = 0;
3797
3798         if ( !( c->be->be_search && c->be->be_add && c->be->be_modify && c->be->be_delete ) ) {
3799                 snprintf( c->cr_msg, sizeof(c->cr_msg), "database %s does not support "
3800                         "operations required for syncrepl", c->be->be_type );
3801                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg, 0 );
3802                 return 1;
3803         }
3804         if ( BER_BVISEMPTY( &c->be->be_rootdn ) ) {
3805                 strcpy( c->cr_msg, "rootDN must be defined before syncrepl may be used" );
3806                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg, 0 );
3807                 return 1;
3808         }
3809         si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
3810
3811         if ( si == NULL ) {
3812                 Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
3813                 return 1;
3814         }
3815
3816         si->si_bindconf.sb_tls = SB_TLS_OFF;
3817         si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
3818         si->si_schemachecking = 0;
3819         ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
3820                 &si->si_filterstr );
3821         si->si_base.bv_val = NULL;
3822         si->si_scope = LDAP_SCOPE_SUBTREE;
3823         si->si_attrsonly = 0;
3824         si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
3825         si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
3826         si->si_attrs = NULL;
3827         si->si_allattrs = 0;
3828         si->si_allopattrs = 0;
3829         si->si_exattrs = NULL;
3830         si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3831         si->si_interval = 86400;
3832         si->si_retryinterval = NULL;
3833         si->si_retrynum_init = NULL;
3834         si->si_retrynum = NULL;
3835         si->si_manageDSAit = 0;
3836         si->si_tlimit = 0;
3837         si->si_slimit = 0;
3838         si->si_conn_setup = 0;
3839
3840         si->si_presentlist = NULL;
3841         LDAP_LIST_INIT( &si->si_nonpresentlist );
3842         ldap_pvt_thread_mutex_init( &si->si_mutex );
3843
3844         rc = parse_syncrepl_line( c, si );
3845
3846         if ( rc == 0 ) {
3847                 /* Must be LDAPv3 because we need controls */
3848                 switch ( si->si_bindconf.sb_version ) {
3849                 case 0:
3850                         /* not explicitly set */
3851                         si->si_bindconf.sb_version = LDAP_VERSION3;
3852                         break;
3853                 case 3:
3854                         /* explicitly set */
3855                         break;
3856                 default:
3857                         Debug( LDAP_DEBUG_ANY,
3858                                 "version %d incompatible with syncrepl\n",
3859                                 si->si_bindconf.sb_version, 0, 0 );
3860                         syncinfo_free( si, 0 );
3861                         return 1;
3862                 }
3863
3864                 si->si_be = c->be;
3865                 if ( slapMode & SLAP_SERVER_MODE ) {
3866                         Listener **l = slapd_get_listeners();
3867                         int isMe = 0;
3868
3869                         /* check if URL points to current server. If so, ignore
3870                          * this configuration. We require an exact match. Just
3871                          * in case they really want to do this, they can vary
3872                          * the case of the URL to allow it.
3873                          */
3874                         if ( l && !SLAP_DBHIDDEN( c->be ) ) {
3875                                 int i;
3876                                 for ( i=0; l[i]; i++ ) {
3877                                         if ( bvmatch( &l[i]->sl_url, &si->si_bindconf.sb_uri ) ) {
3878                                                 isMe = 1;
3879                                                 break;
3880                                         }
3881                                 }
3882                         }
3883
3884                         if ( !isMe ) {
3885                                 init_syncrepl( si );
3886                                 si->si_re = ldap_pvt_runqueue_insert( &slapd_rq,
3887                                         si->si_interval, do_syncrepl, si, "do_syncrepl",
3888                                         si->si_ridtxt );
3889                                 if ( si->si_re )
3890                                         rc = config_sync_shadow( c ) ? -1 : 0;
3891                                 else
3892                                         rc = -1;
3893                         }
3894                 } else {
3895                         /* mirrormode still needs to see this flag in tool mode */
3896                         rc = config_sync_shadow( c ) ? -1 : 0;
3897                 }
3898         }
3899
3900 #ifdef HAVE_TLS
3901         /* Use main slapd defaults */
3902         bindconf_tls_defaults( &si->si_bindconf );
3903 #endif
3904         if ( rc < 0 ) {
3905                 Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
3906                 syncinfo_free( si, 0 );
3907                 return 1;
3908         } else {
3909                 Debug( LDAP_DEBUG_CONFIG,
3910                         "Config: ** successfully added syncrepl \"%s\"\n",
3911                         BER_BVISNULL( &si->si_bindconf.sb_uri ) ?
3912                         "(null)" : si->si_bindconf.sb_uri.bv_val, 0, 0 );
3913                 if ( !si->si_schemachecking ) {
3914                         SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
3915                 }
3916                 if ( c->be->be_syncinfo ) {
3917                         si->si_cookieState = c->be->be_syncinfo->si_cookieState;
3918                 } else {
3919                         si->si_cookieState = ch_calloc( 1, sizeof( cookie_state ));
3920                         ldap_pvt_thread_mutex_init( &si->si_cookieState->cs_mutex );
3921                 }
3922                 si->si_next = c->be->be_syncinfo;
3923                 c->be->be_syncinfo = si;
3924                 return 0;
3925         }
3926 }
3927
3928 static void
3929 syncrepl_unparse( syncinfo_t *si, struct berval *bv )
3930 {
3931         struct berval bc, uri;
3932         char buf[BUFSIZ*2], *ptr;
3933         int i;
3934
3935 #define WHATSLEFT       ( sizeof( buf ) - ( ptr - buf ) )
3936
3937         BER_BVZERO( bv );
3938
3939         /* temporarily inhibit bindconf from printing URI */
3940         uri = si->si_bindconf.sb_uri;
3941         BER_BVZERO( &si->si_bindconf.sb_uri );
3942         si->si_bindconf.sb_version = 0;
3943         bindconf_unparse( &si->si_bindconf, &bc );
3944         si->si_bindconf.sb_uri = uri;
3945         si->si_bindconf.sb_version = LDAP_VERSION3;
3946
3947         ptr = buf;
3948         assert( si->si_rid >= 0 && si->si_rid <= SLAP_SYNC_SID_MAX );
3949         ptr += snprintf( ptr, WHATSLEFT, IDSTR "=%03d " PROVIDERSTR "=%s",
3950                 si->si_rid, si->si_bindconf.sb_uri.bv_val );
3951         if ( ptr - buf >= sizeof( buf ) ) return;
3952         if ( !BER_BVISNULL( &bc ) ) {
3953                 if ( WHATSLEFT <= bc.bv_len ) {
3954                         free( bc.bv_val );
3955                         return;
3956                 }
3957                 ptr = lutil_strcopy( ptr, bc.bv_val );
3958                 free( bc.bv_val );
3959         }
3960         if ( !BER_BVISEMPTY( &si->si_filterstr ) ) {
3961                 if ( WHATSLEFT <= STRLENOF( " " FILTERSTR "=\"" "\"" ) + si->si_filterstr.bv_len ) return;
3962                 ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
3963                 ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
3964                 *ptr++ = '"';
3965         }
3966         if ( !BER_BVISNULL( &si->si_base ) ) {
3967                 if ( WHATSLEFT <= STRLENOF( " " SEARCHBASESTR "=\"" "\"" ) + si->si_base.bv_len ) return;
3968                 ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
3969                 ptr = lutil_strcopy( ptr, si->si_base.bv_val );
3970                 *ptr++ = '"';
3971         }
3972         if ( !BER_BVISEMPTY( &si->si_logfilterstr ) ) {
3973                 if ( WHATSLEFT <= STRLENOF( " " LOGFILTERSTR "=\"" "\"" ) + si->si_logfilterstr.bv_len ) return;
3974                 ptr = lutil_strcopy( ptr, " " LOGFILTERSTR "=\"" );
3975                 ptr = lutil_strcopy( ptr, si->si_logfilterstr.bv_val );
3976                 *ptr++ = '"';
3977         }
3978         if ( !BER_BVISNULL( &si->si_logbase ) ) {
3979                 if ( WHATSLEFT <= STRLENOF( " " LOGBASESTR "=\"" "\"" ) + si->si_logbase.bv_len ) return;
3980                 ptr = lutil_strcopy( ptr, " " LOGBASESTR "=\"" );
3981                 ptr = lutil_strcopy( ptr, si->si_logbase.bv_val );
3982                 *ptr++ = '"';
3983         }
3984         for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
3985                 if ( si->si_scope == scopes[i].val ) {
3986                         if ( WHATSLEFT <= STRLENOF( " " SCOPESTR "=" ) + scopes[i].key.bv_len ) return;
3987                         ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
3988                         ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
3989                         break;
3990                 }
3991         }
3992         if ( si->si_attrsonly ) {
3993                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
3994                 ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR );
3995         }
3996         if ( si->si_anfile ) {
3997                 if ( WHATSLEFT <= STRLENOF( " " ATTRSSTR "=\":include:" "\"" ) + strlen( si->si_anfile ) ) return;
3998                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:\"" );
3999                 ptr = lutil_strcopy( ptr, si->si_anfile );
4000                 *ptr++ = '"';
4001         } else if ( si->si_allattrs || si->si_allopattrs ||
4002                 ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) ) )
4003         {
4004                 char *old;
4005
4006                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
4007                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
4008                 old = ptr;
4009                 /* FIXME: add check for overflow */
4010                 ptr = anlist_unparse( si->si_anlist, ptr, WHATSLEFT );
4011                 if ( si->si_allattrs ) {
4012                         if ( WHATSLEFT <= STRLENOF( ",*\"" ) ) return;
4013                         if ( old != ptr ) *ptr++ = ',';
4014                         *ptr++ = '*';
4015                 }
4016                 if ( si->si_allopattrs ) {
4017                         if ( WHATSLEFT <= STRLENOF( ",+\"" ) ) return;
4018                         if ( old != ptr ) *ptr++ = ',';
4019                         *ptr++ = '+';
4020                 }
4021                 *ptr++ = '"';
4022         }
4023         if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
4024                 if ( WHATSLEFT <= STRLENOF( " " EXATTRSSTR "=" ) ) return;
4025                 ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
4026                 /* FIXME: add check for overflow */
4027                 ptr = anlist_unparse( si->si_exanlist, ptr, WHATSLEFT );
4028         }
4029         if ( WHATSLEFT <= STRLENOF( " " SCHEMASTR "=" ) + STRLENOF( "off" ) ) return;
4030         ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
4031         ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
4032
4033         if ( WHATSLEFT <= STRLENOF( " " TYPESTR "=" ) + STRLENOF( "refreshAndPersist" ) ) return;
4034         ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
4035         ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
4036                 "refreshAndPersist" : "refreshOnly" );
4037
4038         if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
4039                 int dd, hh, mm, ss;
4040
4041                 dd = si->si_interval;
4042                 ss = dd % 60;
4043                 dd /= 60;
4044                 mm = dd % 60;
4045                 dd /= 60;
4046                 hh = dd % 24;
4047                 dd /= 24;
4048                 ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
4049                 ptr += snprintf( ptr, WHATSLEFT, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
4050                 if ( ptr - buf >= sizeof( buf ) ) return;
4051         } else if ( si->si_retryinterval ) {
4052                 int space=0;
4053                 if ( WHATSLEFT <= STRLENOF( " " RETRYSTR "=\"" "\"" ) ) return;
4054                 ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
4055                 for (i=0; si->si_retryinterval[i]; i++) {
4056                         if ( space ) *ptr++ = ' ';
4057                         space = 1;
4058                         ptr += snprintf( ptr, WHATSLEFT, "%ld ", (long) si->si_retryinterval[i] );
4059                         if ( si->si_retrynum_init[i] == RETRYNUM_FOREVER )
4060                                 *ptr++ = '+';
4061                         else
4062                                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_retrynum_init[i] );
4063                 }
4064                 if ( WHATSLEFT <= STRLENOF( "\"" ) ) return;
4065                 *ptr++ = '"';
4066         }
4067
4068         if ( si->si_slimit ) {
4069                 if ( WHATSLEFT <= STRLENOF( " " SLIMITSTR "=" ) ) return;
4070                 ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
4071                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_slimit );
4072         }
4073
4074         if ( si->si_tlimit ) {
4075                 if ( WHATSLEFT <= STRLENOF( " " TLIMITSTR "=" ) ) return;
4076                 ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
4077                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_tlimit );
4078         }
4079
4080         if ( si->si_syncdata ) {
4081                 if ( enum_to_verb( datamodes, si->si_syncdata, &bc ) >= 0 ) {
4082                         if ( WHATSLEFT <= STRLENOF( " " SYNCDATASTR "=" ) + bc.bv_len ) return;
4083                         ptr = lutil_strcopy( ptr, " " SYNCDATASTR "=" );
4084                         ptr = lutil_strcopy( ptr, bc.bv_val );
4085                 }
4086         }
4087         bc.bv_len = ptr - buf;
4088         bc.bv_val = buf;
4089         ber_dupbv( bv, &bc );
4090 }
4091
4092 int
4093 syncrepl_config( ConfigArgs *c )
4094 {
4095         if (c->op == SLAP_CONFIG_EMIT) {
4096                 if ( c->be->be_syncinfo ) {
4097                         struct berval bv;
4098                         syncinfo_t *si;
4099
4100                         for ( si = c->be->be_syncinfo; si; si=si->si_next ) {
4101                                 syncrepl_unparse( si, &bv );
4102                                 ber_bvarray_add( &c->rvalue_vals, &bv );
4103                         }
4104                         return 0;
4105                 }
4106                 return 1;
4107         } else if ( c->op == LDAP_MOD_DELETE ) {
4108                 cookie_state *cs = NULL;
4109                 if ( c->be->be_syncinfo ) {
4110                         syncinfo_t *si, **sip;
4111                         int i;
4112
4113                         cs = c->be->be_syncinfo->si_cookieState;
4114                         for ( sip = &c->be->be_syncinfo, i=0; *sip; i++ ) {
4115                                 si = *sip;
4116                                 if ( c->valx == -1 || i == c->valx ) {
4117                                         *sip = si->si_next;
4118                                         /* If the task is currently active, we have to leave
4119                                          * it running. It will exit on its own. This will only
4120                                          * happen when running on the cn=config DB.
4121                                          */
4122                                         if ( si->si_re &&
4123                                                 ldap_pvt_runqueue_isrunning( &slapd_rq, si->si_re ) ) {
4124                                                 si->si_ctype = 0;
4125                                         } else {
4126                                                 syncinfo_free( si, 0 );
4127                                         }
4128                                         if ( i == c->valx )
4129                                                 break;
4130                                 } else {
4131                                         sip = &si->si_next;
4132                                 }
4133                         }
4134                 }
4135                 if ( !c->be->be_syncinfo ) {
4136                         SLAP_DBFLAGS( c->be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
4137                         if ( cs ) {
4138                                 ber_bvarray_free( cs->cs_vals );
4139                                 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
4140                                 ch_free( cs );
4141                         }
4142                 }
4143                 return 0;
4144         }
4145         if ( SLAP_SLURP_SHADOW( c->be ) ) {
4146                 Debug(LDAP_DEBUG_ANY, "%s: "
4147                         "syncrepl: database already shadowed.\n",
4148                         c->log, 0, 0);
4149                 return(1);
4150         } else {
4151                 return add_syncrepl( c );
4152         }
4153 }