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[8];
  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 void
 130 init_syncrepl(syncinfo_t *si)
 131 {
 132         int i, j, k, l, n;
 133         char **attrs, **exattrs;
 134
 135         if ( !sync_descs[0] ) {
 136                 sync_descs[0] = slap_schema.si_ad_objectClass;
 137                 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
 138                 sync_descs[2] = slap_schema.si_ad_entryCSN;
 139                 sync_descs[3] = NULL;
 140         }
 141
 142         if ( si->si_allattrs && si->si_allopattrs )
 143                 attrs = NULL;
 144         else
 145                 attrs = anlist2attrs( si->si_anlist );
 146
 147         if ( attrs ) {
 148                 if ( si->si_allattrs ) {
 149                         i = 0;
 150                         while ( attrs[i] ) {
 151                                 if ( !is_at_operational( at_find( attrs[i] ) ) ) {
 152                                         for ( j = i; attrs[j] != NULL; j++ ) {
 153                                                 if ( j == i )
 154                                                         ch_free( attrs[i] );
 155                                                 attrs[j] = attrs[j+1];
 156                                         }
 157                                 } else {
 158                                         i++;
 159                                 }
 160                         }
 161                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 162                         attrs[i] = ch_strdup("*");
 163                         attrs[i + 1] = NULL;
 164
 165                 } else if ( si->si_allopattrs ) {
 166                         i = 0;
 167                         while ( attrs[i] ) {
 168                                 if ( is_at_operational( at_find( attrs[i] ) ) ) {
 169                                         for ( j = i; attrs[j] != NULL; j++ ) {
 170                                                 if ( j == i )
 171                                                         ch_free( attrs[i] );
 172                                                 attrs[j] = attrs[j+1];
 173                                         }
 174                                 } else {
 175                                         i++;
 176                                 }
 177                         }
 178                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 179                         attrs[i] = ch_strdup("+");
 180                         attrs[i + 1] = NULL;
 181                 }
 182
 183                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 184                         j = 0;
 185                         while ( attrs[j] ) {
 186                                 if ( !strcmp( attrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
 187                                         for ( k = j; attrs[k] != NULL; k++ ) {
 188                                                 if ( k == j )
 189                                                         ch_free( attrs[k] );
 190                                                 attrs[k] = attrs[k+1];
 191                                         }
 192                                 } else {
 193                                         j++;
 194                                 }
 195                         }
 196                 }
 197
 198                 for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */;
 199
 200                 if ( si->si_allopattrs ) {
 201                         attrs = ( char ** ) ch_realloc( attrs, (n + 2)*sizeof( char * ) );
 202                 } else {
 203                         attrs = ( char ** ) ch_realloc( attrs, (n + 4)*sizeof( char * ) );
 204                 }
 205
 206                 /* Add Attributes */
 207                 if ( si->si_allopattrs ) {
 208                         attrs[n++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 209                 } else {
 210                         for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
 211                                 attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
 212                         }
 213                 }
 214                 attrs[ n ] = NULL;
 215
 216         } else {
 217
 218                 i = 0;
 219                 if ( si->si_allattrs == si->si_allopattrs ) {
 220                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 221                         attrs[i++] = ch_strdup( "*" );
 222                         attrs[i++] = ch_strdup( "+" );
 223                 } else if ( si->si_allattrs && !si->si_allopattrs ) {
 224                         for ( n = 0; sync_descs[ n ] != NULL; n++ ) ;
 225                         attrs = (char**) ch_malloc( (n+1)* sizeof(char*) );
 226                         attrs[i++] = ch_strdup( "*" );
 227                         for ( j = 1; sync_descs[ j ] != NULL; j++ ) {
 228                                 attrs[i++] = ch_strdup ( sync_descs[j]->ad_cname.bv_val );
 229                         }
 230                 } else if ( !si->si_allattrs && si->si_allopattrs ) {
 231                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 232                         attrs[i++] = ch_strdup( "+" );
 233                         attrs[i++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 234                 }
 235                 attrs[i] = NULL;
 236         }
 237
 238         si->si_attrs = attrs;
 239
 240         exattrs = anlist2attrs( si->si_exanlist );
 241
 242         if ( exattrs ) {
 243                 for ( n = 0; exattrs[n] != NULL; n++ ) ;
 244
 245                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 246                         j = 0;
 247                         while ( exattrs[j] != NULL ) {
 248                                 if ( !strcmp( exattrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
 249                                         ch_free( exattrs[j] );
 250                                         for ( k = j; exattrs[k] != NULL; k++ ) {
 251                                                 exattrs[k] = exattrs[k+1];
 252                                         }
 253                                 } else {
 254                                         j++;
 255                                 }
 256                         }
 257                 }
 258
 259                 for ( i = 0; exattrs[i] != NULL; i++ ) {
 260                         for ( j = 0; si->si_anlist[j].an_name.bv_val; j++ ) {
 261                                 ObjectClass     *oc;
 262                                 if ( ( oc = si->si_anlist[j].an_oc ) ) {
 263                                         k = 0;
 264                                         while ( oc->soc_required[k] ) {
 265                                                 if ( !strcmp( exattrs[i],
 266                                                          oc->soc_required[k]->sat_cname.bv_val ) ) {
 267                                                         ch_free( exattrs[i] );
 268                                                         for ( l = i; exattrs[l]; l++ ) {
 269                                                                 exattrs[l] = exattrs[l+1];
 270                                                         }
 271                                                 } else {
 272                                                         k++;
 273                                                 }
 274                                         }
 275                                 }
 276                         }
 277                 }
 278
 279                 for ( i = 0; exattrs[i] != NULL; i++ ) ;
 280
 281                 if ( i != n )
 282                         exattrs = (char **) ch_realloc( exattrs, (i + 1)*sizeof(char *) );
 283         }
 284
 285         si->si_exattrs = exattrs;
 286 }
 287
 288 typedef struct logschema {
 289         struct berval ls_dn;
 290         struct berval ls_req;
 291         struct berval ls_mod;
 292         struct berval ls_newRdn;
 293         struct berval ls_delRdn;
 294         struct berval ls_newSup;
 295 } logschema;
 296
 297 static logschema changelog_sc = {
 298         BER_BVC("targetDN"),
 299         BER_BVC("changeType"),
 300         BER_BVC("changes"),
 301         BER_BVC("newRDN"),
 302         BER_BVC("deleteOldRDN"),
 303         BER_BVC("newSuperior")
 304 };
 305
 306 static logschema accesslog_sc = {
 307         BER_BVC("reqDN"),
 308         BER_BVC("reqType"),
 309         BER_BVC("reqMod"),
 310         BER_BVC("reqNewRDN"),
 311         BER_BVC("reqDeleteOldRDN"),
 312         BER_BVC("reqNewSuperior")
 313 };
 314
 315 static int
 316 ldap_sync_search(
 317         syncinfo_t *si,
 318         void *ctx )
 319 {
 320         BerElementBuffer berbuf;
 321         BerElement *ber = (BerElement *)&berbuf;
 322         LDAPControl c[2], *ctrls[3];
 323         struct timeval timeout;
 324         ber_int_t       msgid;
 325         int rc;
 326         int rhint;
 327         char *base;
 328         char **attrs, *lattrs[8];
 329         char *filter;
 330         int attrsonly;
 331         int scope;
 332
 333         /* setup LDAP SYNC control */
 334         ber_init2( ber, NULL, LBER_USE_DER );
 335         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 336
 337         /* If we're using a log but we have no state, then fallback to
 338          * normal mode for a full refresh.
 339          */
 340         if ( si->si_syncdata && !si->si_syncCookie.numcsns ) {
 341                 si->si_logstate = SYNCLOG_FALLBACK;
 342         }
 343
 344         /* Use the log parameters if we're in log mode */
 345         if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 346                 logschema *ls;
 347                 if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
 348                         ls = &accesslog_sc;
 349                 else
 350                         ls = &changelog_sc;
 351                 lattrs[0] = ls->ls_dn.bv_val;
 352                 lattrs[1] = ls->ls_req.bv_val;
 353                 lattrs[2] = ls->ls_mod.bv_val;
 354                 lattrs[3] = ls->ls_newRdn.bv_val;
 355                 lattrs[4] = ls->ls_delRdn.bv_val;
 356                 lattrs[5] = ls->ls_newSup.bv_val;
 357                 lattrs[6] = slap_schema.si_ad_entryCSN->ad_cname.bv_val;
 358                 lattrs[7] = NULL;
 359
 360                 rhint = 0;
 361                 base = si->si_logbase.bv_val;
 362                 filter = si->si_logfilterstr.bv_val;
 363                 attrs = lattrs;
 364                 attrsonly = 0;
 365                 scope = LDAP_SCOPE_SUBTREE;
 366         } else {
 367                 rhint = 1;
 368                 base = si->si_base.bv_val;
 369                 filter = si->si_filterstr.bv_val;
 370                 attrs = si->si_attrs;
 371                 attrsonly = si->si_attrsonly;
 372                 scope = si->si_scope;
 373         }
 374         if ( si->si_syncdata && si->si_logstate == SYNCLOG_FALLBACK ) {
 375                 si->si_type = LDAP_SYNC_REFRESH_ONLY;
 376         } else {
 377                 si->si_type = si->si_ctype;
 378         }
 379
 380         if ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) )
 381         {
 382                 ber_printf( ber, "{eOb}",
 383                         abs(si->si_type), &si->si_syncCookie.octet_str, rhint );
 384         } else {
 385                 ber_printf( ber, "{eb}",
 386                         abs(si->si_type), rhint );
 387         }
 388
 389         if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 ) ) == LBER_ERROR ) {
 390                 ber_free_buf( ber );
 391                 return rc;
 392         }
 393
 394         c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 395         c[0].ldctl_iscritical = si->si_type < 0;
 396         ctrls[0] = &c[0];
 397
 398         if ( !BER_BVISNULL( &si->si_bindconf.sb_authzId ) ) {
 399                 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 400                 c[1].ldctl_value = si->si_bindconf.sb_authzId;
 401                 c[1].ldctl_iscritical = 1;
 402                 ctrls[1] = &c[1];
 403                 ctrls[2] = NULL;
 404         } else {
 405                 ctrls[1] = NULL;
 406         }
 407
 408         timeout.tv_sec = si->si_tlimit;
 409         timeout.tv_usec = 0;
 410
 411         rc = ldap_search_ext( si->si_ld, base, scope, filter, attrs, attrsonly,
 412                 ctrls, NULL, si->si_tlimit > 0 ? &timeout : NULL,
 413                 si->si_slimit, &msgid );
 414         ber_free_buf( ber );
 415         return rc;
 416 }
 417
 418 static int
 419 do_syncrep1(
 420         Operation *op,
 421         syncinfo_t *si )
 422 {
 423         int     rc;
 424         int cmdline_cookie_found = 0;
 425
 426         struct sync_cookie      *sc = NULL;
 427 #ifdef HAVE_TLS
 428         void    *ssl;
 429 #endif
 430
 431         rc = slap_client_connect( &si->si_ld, &si->si_bindconf );
 432         if ( rc != LDAP_SUCCESS ) {
 433                 goto done;
 434         }
 435         op->o_protocol = LDAP_VERSION3;
 436
 437         /* Set SSF to strongest of TLS, SASL SSFs */
 438         op->o_sasl_ssf = 0;
 439         op->o_tls_ssf = 0;
 440         op->o_transport_ssf = 0;
 441 #ifdef HAVE_TLS
 442         if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
 443                 == LDAP_SUCCESS && ssl != NULL )
 444         {
 445                 op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
 446         }
 447 #endif /* HAVE_TLS */
 448         ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &op->o_sasl_ssf );
 449         op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
 450                 ?  op->o_sasl_ssf : op->o_tls_ssf;
 451
 452         /* We've just started up, or the remote server hasn't sent us
 453          * any meaningful state.
 454          */
 455         if ( BER_BVISNULL( &si->si_syncCookie.octet_str ) ) {
 456                 int i;
 457
 458                 si->si_syncCookie.rid = si->si_rid;
 459                 si->si_syncCookie.sid = SLAP_SINGLE_SHADOW( si->si_be ) ? -1 :
 460                         slap_serverID;
 461
 462                 LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
 463                         if ( si->si_rid == sc->rid ) {
 464                                 cmdline_cookie_found = 1;
 465                                 break;
 466                         }
 467                 }
 468
 469                 if ( cmdline_cookie_found ) {
 470                         /* cookie is supplied in the command line */
 471
 472                         LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
 473
 474                         /* ctxcsn wasn't parsed yet, do it now */
 475                         slap_parse_sync_cookie( sc, op->o_tmpmemctx );
 476                         slap_sync_cookie_free( &si->si_syncCookie, 0 );
 477                         slap_dup_sync_cookie( &si->si_syncCookie, sc );
 478                         slap_sync_cookie_free( sc, 1 );
 479                 } else {
 480                         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
 481                         if ( !si->si_cookieState->cs_num ) {
 482                                 /* get contextCSN shadow replica from database */
 483                                 BerVarray csn = NULL;
 484                                 void *ctx = op->o_tmpmemctx;
 485
 486                                 op->o_req_ndn = op->o_bd->be_nsuffix[0];
 487                                 op->o_req_dn = op->o_req_ndn;
 488
 489                                 /* try to read stored contextCSN */
 490                                 op->o_tmpmemctx = NULL;
 491                                 backend_attribute( op, NULL, &op->o_req_ndn,
 492                                         slap_schema.si_ad_contextCSN, &csn, ACL_READ );
 493                                 op->o_tmpmemctx = ctx;
 494                                 if ( csn ) {
 495                                         si->si_cookieState->cs_vals = csn;
 496                                         for (i=0; !BER_BVISNULL( &csn[i] ); i++);
 497                                         si->si_cookieState->cs_num = i;
 498                                         si->si_cookieState->cs_sids = slap_parse_csn_sids( csn, i, NULL );
 499                                 }
 500                         }
 501                         if ( si->si_cookieState->cs_num ) {
 502                                 ber_bvarray_free( si->si_syncCookie.ctxcsn );
 503                                 if ( ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 504                                         si->si_cookieState->cs_vals, NULL )) {
 505                                         rc = LDAP_NO_MEMORY;
 506                                         goto done;
 507                                 }
 508                                 si->si_syncCookie.numcsns = si->si_cookieState->cs_num;
 509                                 si->si_syncCookie.sids = ch_malloc( si->si_cookieState->cs_num *
 510                                         sizeof(int) );
 511                                 for ( i=0; i<si->si_syncCookie.numcsns; i++ )
 512                                         si->si_syncCookie.sids[i] = si->si_cookieState->cs_sids[i];
 513                         }
 514                         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 515                 }
 516
 517                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 518                         si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
 519                         si->si_syncCookie.sid );
 520         } else {
 521                 AttributeName at[2];
 522                 Attribute a = {0};
 523                 Entry e = {0};
 524                 SlapReply rs = {0};
 525                 int i, j, changed = 0;
 526
 527                 /* Look for contextCSN from syncprov overlay. If
 528                  * there's no overlay, this will be a no-op. That means
 529                  * this is a pure consumer, so local changes will not be
 530                  * allowed, and all changes will already be reflected in
 531                  * the cookieState.
 532                  */
 533                 a.a_desc = slap_schema.si_ad_contextCSN;
 534                 e.e_attrs = &a;
 535                 e.e_name = si->si_wbe->be_suffix[0];
 536                 e.e_nname = si->si_wbe->be_nsuffix[0];
 537                 rs.sr_entry = &e;
 538                 rs.sr_flags = REP_ENTRY_MODIFIABLE;
 539                 at[0].an_name = a.a_desc->ad_cname;
 540                 at[0].an_desc = a.a_desc;
 541                 BER_BVZERO( &at[1].an_name );
 542
 543                 ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
 544                 rc = backend_operational( op, &rs );
 545                 if ( rc == LDAP_SUCCESS && a.a_vals ) {
 546                         int num;
 547                         for (i=0; !BER_BVISNULL( &a.a_vals[i] ); i++) ;
 548                         num = i;
 549                         /* check for differences */
 550                         if ( num != si->si_cookieState->cs_num ) {
 551                                 changed = 1;
 552                         } else {
 553                                 for ( i=0; i<num; i++ ) {
 554                                         if ( ber_bvcmp( &a.a_vals[i],
 555                                                 &si->si_cookieState->cs_vals[i] )) {
 556                                                 changed =1;
 557                                                 break;
 558                                         }
 559                                 }
 560                         }
 561                         if ( changed ) {
 562                                 ber_bvarray_free( si->si_cookieState->cs_vals );
 563                                 ch_free( si->si_cookieState->cs_sids );
 564                                 si->si_cookieState->cs_num = num;
 565                                 si->si_cookieState->cs_vals = a.a_vals;
 566                                 si->si_cookieState->cs_sids = slap_parse_csn_sids( a.a_vals,
 567                                         num, NULL );
 568                                 si->si_cookieState->cs_age++;
 569                         } else {
 570                                 ber_bvarray_free( a.a_vals );
 571                         }
 572                         changed = 0;
 573                 }
 574                 /* See if the cookieState has changed due to anything outside
 575                  * this particular consumer. That includes other consumers in
 576                  * the same context, or local changes detected above.
 577                  */
 578                 if ( si->si_cookieState->cs_num > 1 && si->si_cookieAge !=
 579                         si->si_cookieState->cs_age ) {
 580
 581                         for (i=0; !BER_BVISNULL( &si->si_syncCookie.ctxcsn[i] ); i++) {
 582                                 /* bogus, just dup everything */
 583                                 if ( si->si_syncCookie.sids[i] == -1 ) {
 584                                         ber_bvarray_free( si->si_syncCookie.ctxcsn );
 585                                         ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 586                                                 si->si_cookieState->cs_vals, NULL );
 587                                         changed = 1;
 588                                         break;
 589                                 }
 590                                 for (j=0; j<si->si_cookieState->cs_num; j++) {
 591                                         if ( si->si_syncCookie.sids[i] !=
 592                                                 si->si_cookieState->cs_sids[j] )
 593                                                 continue;
 594                                         if ( bvmatch( &si->si_syncCookie.ctxcsn[i],
 595                                                 &si->si_cookieState->cs_vals[j] ))
 596                                                 break;
 597                                         ber_bvreplace( &si->si_syncCookie.ctxcsn[i],
 598                                                 &si->si_cookieState->cs_vals[j] );
 599                                         changed = 1;
 600                                         break;
 601                                 }
 602                         }
 603                         if ( changed ) {
 604                                 ch_free( si->si_syncCookie.octet_str.bv_val );
 605                                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 606                                         si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
 607                                         SLAP_SINGLE_SHADOW( si->si_be ) ? -1 : slap_serverID );
 608                         }
 609                 }
 610                 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 611         }
 612
 613         rc = ldap_sync_search( si, op->o_tmpmemctx );
 614
 615         if( rc != LDAP_SUCCESS ) {
 616                 Debug( LDAP_DEBUG_ANY, "do_syncrep1: %s "
 617                         "ldap_search_ext: %s (%d)\n",
 618                         si->si_ridtxt, ldap_err2string( rc ), rc );
 619         }
 620
 621 done:
 622         if ( rc ) {
 623                 if ( si->si_ld ) {
 624                         ldap_unbind_ext( si->si_ld, NULL, NULL );
 625                         si->si_ld = NULL;
 626                 }
 627         }
 628
 629         return rc;
 630 }
 631
 632 static int
 633 compare_csns( struct sync_cookie *sc1, struct sync_cookie *sc2, int *which )
 634 {
 635         int i, j, match = 0;
 636         const char *text;
 637
 638         *which = 0;
 639
 640         if ( sc1->numcsns < sc2->numcsns ) {
 641                 *which = sc1->numcsns;
 642                 return -1;
 643         }
 644
 645         for (i=0; !BER_BVISNULL( &sc1->ctxcsn[i] ); i++) {
 646                 for (j=0; !BER_BVISNULL( &sc2->ctxcsn[j] ); j++) {
 647                         if ( sc1->sids[i] != sc2->sids[j] )
 648                                 continue;
 649                         value_match( &match, slap_schema.si_ad_entryCSN,
 650                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 651                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 652                                 &sc1->ctxcsn[i], &sc2->ctxcsn[i], &text );
 653                         if ( match < 0 ) {
 654                                 *which = j;
 655                                 return match;
 656                         }
 657                         break;
 658                 }
 659         }
 660         return match;
 661 }
 662
 663 static int
 664 do_syncrep2(
 665         Operation *op,
 666         syncinfo_t *si )
 667 {
 668         LDAPControl     **rctrls = NULL;
 669         LDAPControl     *rctrlp;
 670
 671         BerElementBuffer berbuf;
 672         BerElement      *ber = (BerElement *)&berbuf;
 673
 674         LDAPMessage     *res = NULL;
 675         LDAPMessage     *msg = NULL;
 676
 677         char            *retoid = NULL;
 678         struct berval   *retdata = NULL;
 679
 680         Entry           *entry = NULL;
 681
 682         int             syncstate;
 683         struct berval   syncUUID = BER_BVNULL;
 684         struct sync_cookie      syncCookie = { NULL };
 685         struct sync_cookie      syncCookie_req = { NULL };
 686         struct berval           cookie = BER_BVNULL;
 687
 688         int     rc, err;
 689         ber_len_t       len;
 690
 691         struct berval   *psub;
 692         Modifications   *modlist = NULL;
 693
 694         int                             match, m;
 695
 696         struct timeval *tout_p = NULL;
 697         struct timeval tout = { 0, 0 };
 698
 699         int             refreshDeletes = 0;
 700         int             refreshDone = 1;
 701         BerVarray syncUUIDs = NULL;
 702         ber_tag_t si_tag;
 703
 704         if ( slapd_shutdown ) {
 705                 rc = -2;
 706                 goto done;
 707         }
 708
 709         ber_init2( ber, NULL, LBER_USE_DER );
 710         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 711
 712         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2 %s\n", si->si_ridtxt, 0, 0 );
 713
 714         psub = &si->si_be->be_nsuffix[0];
 715
 716         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 717
 718         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 719                 tout_p = &tout;
 720         } else {
 721                 tout_p = NULL;
 722         }
 723
 724         while ( ( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE,
 725                 tout_p, &res ) ) > 0 )
 726         {
 727                 if ( slapd_shutdown ) {
 728                         rc = -2;
 729                         goto done;
 730                 }
 731                 for( msg = ldap_first_message( si->si_ld, res );
 732                         msg != NULL;
 733                         msg = ldap_next_message( si->si_ld, msg ) )
 734                 {
 735                         if ( slapd_shutdown ) {
 736                                 rc = -2;
 737                                 goto done;
 738                         }
 739                         switch( ldap_msgtype( msg ) ) {
 740                         case LDAP_RES_SEARCH_ENTRY:
 741                                 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 742                                 /* we can't work without the control */
 743                                 rctrlp = NULL;
 744                                 if ( rctrls ) {
 745                                         /* NOTE: make sure we use the right one;
 746                                          * a better approach would be to run thru
 747                                          * the whole list and take care of all */
 748                                         rctrlp = ldap_find_control( LDAP_CONTROL_SYNC_STATE, rctrls );
 749                                 }
 750                                 if ( rctrlp == NULL ) {
 751                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 752                                                 "got search entry without "
 753                                                 "Sync State control\n", si->si_ridtxt, 0, 0 );
 754                                         rc = -1;
 755                                         goto done;
 756                                 }
 757                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 758                                 ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
 759                                 /* FIXME: what if syncUUID is NULL or empty?
 760                                  * (happens with back-sql...) */
 761                                 if ( BER_BVISEMPTY( &syncUUID ) ) {
 762                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 763                                                 "got empty syncUUID\n", si->si_ridtxt, 0, 0 );
 764                                         ldap_controls_free( rctrls );
 765                                         rc = -1;
 766                                         goto done;
 767                                 }
 768                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 769                                         ber_scanf( ber, /*"{"*/ "m}", &cookie );
 770                                         if ( !BER_BVISNULL( &cookie ) ) {
 771                                                 ch_free( syncCookie.octet_str.bv_val );
 772                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 773                                         }
 774                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 775                                         {
 776                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 777                                         }
 778                                 }
 779                                 rc = 0;
 780                                 if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 781                                         modlist = NULL;
 782                                         if ( ( rc = syncrepl_message_to_op( si, op, msg ) ) == LDAP_SUCCESS &&
 783                                                 syncCookie.ctxcsn )
 784                                         {
 785                                                 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 786                                         }
 787                                 } else if ( ( rc = syncrepl_message_to_entry( si, op, msg,
 788                                         &modlist, &entry, syncstate ) ) == LDAP_SUCCESS )
 789                                 {
 790                                         if ( ( rc = syncrepl_entry( si, op, entry, &modlist,
 791                                                 syncstate, &syncUUID ) ) == LDAP_SUCCESS &&
 792                                                 syncCookie.ctxcsn )
 793                                         {
 794                                                 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 795                                         }
 796                                 }
 797                                 ldap_controls_free( rctrls );
 798                                 if ( modlist ) {
 799                                         slap_mods_free( modlist, 1 );
 800                                 }
 801                                 if ( rc )
 802                                         goto done;
 803                                 break;
 804
 805                         case LDAP_RES_SEARCH_REFERENCE:
 806                                 Debug( LDAP_DEBUG_ANY,
 807                                         "do_syncrep2: %s reference received error\n",
 808                                         si->si_ridtxt, 0, 0 );
 809                                 break;
 810
 811                         case LDAP_RES_SEARCH_RESULT:
 812                                 Debug( LDAP_DEBUG_SYNC,
 813                                         "do_syncrep2: %s LDAP_RES_SEARCH_RESULT\n",
 814                                         si->si_ridtxt, 0, 0 );
 815                                 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 816                                         &rctrls, 0 );
 817 #ifdef LDAP_X_SYNC_REFRESH_REQUIRED
 818                                 if ( err == LDAP_X_SYNC_REFRESH_REQUIRED ) {
 819                                         /* map old result code to registered code */
 820                                         err = LDAP_SYNC_REFRESH_REQUIRED;
 821                                 }
 822 #endif
 823                                 if ( err == LDAP_SYNC_REFRESH_REQUIRED ) {
 824                                         if ( si->si_logstate == SYNCLOG_LOGGING ) {
 825                                                 si->si_logstate = SYNCLOG_FALLBACK;
 826                                         }
 827                                         rc = err;
 828                                         goto done;
 829                                 }
 830                                 if ( rctrls ) {
 831                                         rctrlp = *rctrls;
 832                                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 833
 834                                         ber_scanf( ber, "{" /*"}"*/);
 835                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 836                                                 ber_scanf( ber, "m", &cookie );
 837                                                 if ( !BER_BVISNULL( &cookie ) ) {
 838                                                         ch_free( syncCookie.octet_str.bv_val );
 839                                                         ber_dupbv( &syncCookie.octet_str, &cookie);
 840                                                 }
 841                                                 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 842                                                 {
 843                                                         slap_parse_sync_cookie( &syncCookie, NULL );
 844                                                 }
 845                                         }
 846                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 847                                         {
 848                                                 ber_scanf( ber, "b", &refreshDeletes );
 849                                         }
 850                                         ber_scanf( ber, /*"{"*/ "}" );
 851                                 }
 852                                 if ( !syncCookie.ctxcsn ) {
 853                                         match = 1;
 854                                 } else if ( !syncCookie_req.ctxcsn ) {
 855                                         match = -1;
 856                                         m = 0;
 857                                 } else {
 858                                         match = compare_csns( &syncCookie_req, &syncCookie, &m );
 859                                 }
 860                                 if ( rctrls ) {
 861                                         ldap_controls_free( rctrls );
 862                                 }
 863                                 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 864                                         /* FIXME : different error behaviors according to
 865                                          *      1) err code : LDAP_BUSY ...
 866                                          *      2) on err policy : stop service, stop sync, retry
 867                                          */
 868                                         if ( refreshDeletes == 0 && match < 0 &&
 869                                                 err == LDAP_SUCCESS )
 870                                         {
 871                                                 syncrepl_del_nonpresent( op, si, NULL,
 872                                                         &syncCookie.ctxcsn[m] );
 873                                         } else {
 874                                                 avl_free( si->si_presentlist, avl_ber_bvfree );
 875                                                 si->si_presentlist = NULL;
 876                                         }
 877                                 }
 878                                 if ( syncCookie.ctxcsn && match < 0 && err == LDAP_SUCCESS )
 879                                 {
 880                                         rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 881                                 }
 882                                 if ( err == LDAP_SUCCESS
 883                                         && si->si_logstate == SYNCLOG_FALLBACK ) {
 884                                         si->si_logstate = SYNCLOG_LOGGING;
 885                                         rc = LDAP_SYNC_REFRESH_REQUIRED;
 886                                 } else {
 887                                         rc = -2;
 888                                 }
 889                                 goto done;
 890                                 break;
 891
 892                         case LDAP_RES_INTERMEDIATE:
 893                                 rc = ldap_parse_intermediate( si->si_ld, msg,
 894                                         &retoid, &retdata, NULL, 0 );
 895                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 896                                         ber_init2( ber, retdata, LBER_USE_DER );
 897
 898                                         switch ( si_tag = ber_peek_tag( ber, &len ) ) {
 899                                         ber_tag_t tag;
 900                                         case LDAP_TAG_SYNC_NEW_COOKIE:
 901                                                 Debug( LDAP_DEBUG_SYNC,
 902                                                         "do_syncrep2: %s %s - %s\n",
 903                                                         si->si_ridtxt,
 904                                                         "LDAP_RES_INTERMEDIATE",
 905                                                         "NEW_COOKIE" );
 906                                                 ber_scanf( ber, "tm", &tag, &cookie );
 907                                                 break;
 908                                         case LDAP_TAG_SYNC_REFRESH_DELETE:
 909                                         case LDAP_TAG_SYNC_REFRESH_PRESENT:
 910                                                 Debug( LDAP_DEBUG_SYNC,
 911                                                         "do_syncrep2: %s %s - %s\n",
 912                                                         si->si_ridtxt,
 913                                                         "LDAP_RES_INTERMEDIATE",
 914                                                         si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ?
 915                                                         "REFRESH_PRESENT" : "REFRESH_DELETE" );
 916                                                 if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) {
 917                                                         si->si_refreshDelete = 1;
 918                                                 } else {
 919                                                         si->si_refreshPresent = 1;
 920                                                 }
 921                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 922                                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 923                                                 {
 924                                                         ber_scanf( ber, "m", &cookie );
 925                                                         if ( !BER_BVISNULL( &cookie ) ) {
 926                                                                 ch_free( syncCookie.octet_str.bv_val );
 927                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 928                                                         }
 929                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 930                                                         {
 931                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 932                                                         }
 933                                                 }
 934                                                 if ( ber_peek_tag( ber, &len ) ==
 935                                                         LDAP_TAG_REFRESHDONE )
 936                                                 {
 937                                                         ber_scanf( ber, "b", &refreshDone );
 938                                                 }
 939                                                 ber_scanf( ber, /*"{"*/ "}" );
 940                                                 break;
 941                                         case LDAP_TAG_SYNC_ID_SET:
 942                                                 Debug( LDAP_DEBUG_SYNC,
 943                                                         "do_syncrep2: %s %s - %s\n",
 944                                                         si->si_ridtxt,
 945                                                         "LDAP_RES_INTERMEDIATE",
 946                                                         "SYNC_ID_SET" );
 947                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 948                                                 if ( ber_peek_tag( ber, &len ) ==
 949                                                         LDAP_TAG_SYNC_COOKIE )
 950                                                 {
 951                                                         ber_scanf( ber, "m", &cookie );
 952                                                         if ( !BER_BVISNULL( &cookie ) ) {
 953                                                                 ch_free( syncCookie.octet_str.bv_val );
 954                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 955                                                         }
 956                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 957                                                         {
 958                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 959                                                                 compare_csns( &syncCookie_req, &syncCookie, &m );
 960                                                         }
 961                                                 }
 962                                                 if ( ber_peek_tag( ber, &len ) ==
 963                                                         LDAP_TAG_REFRESHDELETES )
 964                                                 {
 965                                                         ber_scanf( ber, "b", &refreshDeletes );
 966                                                 }
 967                                                 ber_scanf( ber, "[W]", &syncUUIDs );
 968                                                 ber_scanf( ber, /*"{"*/ "}" );
 969                                                 if ( refreshDeletes ) {
 970                                                         syncrepl_del_nonpresent( op, si, syncUUIDs,
 971                                                                 &syncCookie.ctxcsn[m] );
 972                                                         ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx );
 973                                                 } else {
 974                                                         int i;
 975                                                         for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) {
 976                                                                 struct berval *syncuuid_bv;
 977                                                                 syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
 978                                                                 slap_sl_free( syncUUIDs[i].bv_val,op->o_tmpmemctx );
 979                                                                 if ( avl_insert( &si->si_presentlist,
 980                                                                         (caddr_t) syncuuid_bv,
 981                                                                         syncuuid_cmp, avl_dup_error ) )
 982                                                                 {
 983                                                                         ber_bvfree( syncuuid_bv );
 984                                                                 }
 985                                                         }
 986                                                         slap_sl_free( syncUUIDs, op->o_tmpmemctx );
 987                                                 }
 988                                                 slap_sync_cookie_free( &syncCookie, 0 );
 989                                                 break;
 990                                         default:
 991                                                 Debug( LDAP_DEBUG_ANY,
 992                                                         "do_syncrep2: %s unknown syncinfo tag (%ld)\n",
 993                                                         si->si_ridtxt, (long) si_tag, 0 );
 994                                                 ldap_memfree( retoid );
 995                                                 ber_bvfree( retdata );
 996                                                 continue;
 997                                         }
 998
 999                                         if ( !syncCookie.ctxcsn ) {
1000                                                 match = 1;
1001                                         } else if ( !syncCookie_req.ctxcsn ) {
1002                                                 match = -1;
1003                                                 m = 0;
1004                                         } else {
1005                                                 match = compare_csns( &syncCookie_req, &syncCookie, &m );
1006                                         }
1007
1008                                         if ( match < 0 ) {
1009                                                 if ( si->si_refreshPresent == 1 ) {
1010                                                         syncrepl_del_nonpresent( op, si, NULL,
1011                                                                 &syncCookie.ctxcsn[m] );
1012                                                 }
1013
1014                                                 if ( syncCookie.ctxcsn )
1015                                                 {
1016                                                         rc = syncrepl_updateCookie( si, op, psub, &syncCookie);
1017                                                 }
1018                                         }
1019
1020                                         ldap_memfree( retoid );
1021                                         ber_bvfree( retdata );
1022                                         break;
1023
1024                                 } else {
1025                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1026                                                 "unknown intermediate response (%d)\n",
1027                                                 si->si_ridtxt, rc, 0 );
1028                                         ldap_memfree( retoid );
1029                                         ber_bvfree( retdata );
1030                                         break;
1031                                 }
1032                                 break;
1033
1034                         default:
1035                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1036                                         "unknown message\n", si->si_ridtxt, 0, 0 );
1037                                 break;
1038
1039                         }
1040                         if ( !BER_BVISNULL( &syncCookie.octet_str ) ) {
1041                                 slap_sync_cookie_free( &syncCookie_req, 0 );
1042                                 slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
1043                                 slap_sync_cookie_free( &syncCookie, 0 );
1044                         }
1045                 }
1046                 ldap_msgfree( res );
1047                 res = NULL;
1048         }
1049
1050         if ( rc == -1 ) {
1051                 const char *errstr;
1052
1053                 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
1054                 errstr = ldap_err2string( rc );
1055
1056                 Debug( LDAP_DEBUG_ANY,
1057                         "do_syncrep2: %s %s\n", si->si_ridtxt, errstr, 0 );
1058         }
1059
1060 done:
1061         slap_sync_cookie_free( &syncCookie, 0 );
1062         slap_sync_cookie_free( &syncCookie_req, 0 );
1063
1064         if ( res ) ldap_msgfree( res );
1065
1066         if ( rc && rc != LDAP_SYNC_REFRESH_REQUIRED && si->si_ld ) {
1067                 if ( si->si_conn_setup ) {
1068                         ber_socket_t s;
1069                         ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1070                         connection_client_stop( s );
1071                         si->si_conn_setup = 0;
1072                 }
1073                 ldap_unbind_ext( si->si_ld, NULL, NULL );
1074                 si->si_ld = NULL;
1075         }
1076
1077         return rc;
1078 }
1079
1080 static void *
1081 do_syncrepl(
1082         void    *ctx,
1083         void    *arg )
1084 {
1085         struct re_s* rtask = arg;
1086         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
1087         Connection conn = {0};
1088         OperationBuffer opbuf;
1089         Operation *op;
1090         int rc = LDAP_SUCCESS;
1091         int dostop = 0;
1092         ber_socket_t s;
1093         int i, defer = 1, fail = 0;
1094         Backend *be;
1095
1096         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl %s\n", si->si_ridtxt, 0, 0 );
1097
1098         if ( si == NULL )
1099                 return NULL;
1100
1101         ldap_pvt_thread_mutex_lock( &si->si_mutex );
1102
1103         switch( abs( si->si_type ) ) {
1104         case LDAP_SYNC_REFRESH_ONLY:
1105         case LDAP_SYNC_REFRESH_AND_PERSIST:
1106                 break;
1107         default:
1108                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1109                 return NULL;
1110         }
1111
1112         if ( slapd_shutdown ) {
1113                 if ( si->si_ld ) {
1114                         if ( si->si_conn_setup ) {
1115                                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1116                                 connection_client_stop( s );
1117                                 si->si_conn_setup = 0;
1118                         }
1119                         ldap_unbind_ext( si->si_ld, NULL, NULL );
1120                         si->si_ld = NULL;
1121                 }
1122                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1123                 return NULL;
1124         }
1125
1126         op = (Operation *) &opbuf;
1127         connection_fake_init( &conn, op, ctx );
1128
1129         /* use global malloc for now */
1130         op->o_tmpmemctx = NULL;
1131         op->o_tmpmfuncs = &ch_mfuncs;
1132
1133         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1134         op->o_bd = be = si->si_be;
1135         op->o_dn = op->o_bd->be_rootdn;
1136         op->o_ndn = op->o_bd->be_rootndn;
1137         if ( !si->si_schemachecking )
1138                 op->o_no_schema_check = 1;
1139
1140         /* If we're glued, send writes through the glue parent */
1141         if ( !si->si_wbe ) {
1142                 if ( SLAP_GLUE_SUBORDINATE( be )) {
1143                         si->si_wbe = select_backend( &be->be_nsuffix[0], 0, 1 );
1144                 } else {
1145                         si->si_wbe = be;
1146                 }
1147         }
1148
1149         /* Establish session, do search */
1150         if ( !si->si_ld ) {
1151                 si->si_refreshDelete = 0;
1152                 si->si_refreshPresent = 0;
1153                 rc = do_syncrep1( op, si );
1154         }
1155
1156 reload:
1157         /* Process results */
1158         if ( rc == LDAP_SUCCESS ) {
1159                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1160
1161                 rc = do_syncrep2( op, si );
1162                 if ( rc == LDAP_SYNC_REFRESH_REQUIRED ) {
1163                         rc = ldap_sync_search( si, op->o_tmpmemctx );
1164                         goto reload;
1165                 }
1166
1167                 /* We got deleted while running on cn=config */
1168                 if ( !si->si_ctype ) {
1169                         if ( si->si_conn_setup )
1170                                 dostop = 1;
1171                         rc = -1;
1172                 }
1173
1174                 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
1175                         /* If we succeeded, enable the connection for further listening.
1176                          * If we failed, tear down the connection and reschedule.
1177                          */
1178                         if ( rc == LDAP_SUCCESS ) {
1179                                 if ( si->si_conn_setup ) {
1180                                         connection_client_enable( s );
1181                                 } else {
1182                                         rc = connection_client_setup( s, do_syncrepl, arg );
1183                                         if ( rc == 0 )
1184                                                 si->si_conn_setup = 1;
1185                                 }
1186                         } else if ( si->si_conn_setup ) {
1187                                 dostop = 1;
1188                         }
1189                 } else {
1190                         if ( rc == -2 ) rc = 0;
1191                 }
1192         }
1193
1194         /* At this point, we have 4 cases:
1195          * 1) for any hard failure, give up and remove this task
1196          * 2) for ServerDown, reschedule this task to run
1197          * 3) for Refresh and Success, reschedule to run
1198          * 4) for Persist and Success, reschedule to defer
1199          */
1200         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
1201
1202         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask ) ) {
1203                 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
1204         }
1205
1206         if ( dostop ) {
1207                 connection_client_stop( s );
1208         }
1209
1210         if ( rc == LDAP_SUCCESS ) {
1211                 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
1212                         defer = 0;
1213                 }
1214                 rtask->interval.tv_sec = si->si_interval;
1215                 ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
1216                 if ( si->si_retrynum ) {
1217                         for ( i = 0; si->si_retrynum_init[i] != RETRYNUM_TAIL; i++ ) {
1218                                 si->si_retrynum[i] = si->si_retrynum_init[i];
1219                         }
1220                         si->si_retrynum[i] = RETRYNUM_TAIL;
1221                 }
1222         } else {
1223                 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
1224                         if ( si->si_retrynum[i] == RETRYNUM_FOREVER || si->si_retrynum[i] == RETRYNUM_TAIL )
1225                                 break;
1226                 }
1227
1228                 if ( !si->si_ctype
1229                         || !si->si_retrynum || si->si_retrynum[i] == RETRYNUM_TAIL ) {
1230                         ldap_pvt_runqueue_remove( &slapd_rq, rtask );
1231                         fail = RETRYNUM_TAIL;
1232                 } else if ( RETRYNUM_VALID( si->si_retrynum[i] ) ) {
1233                         if ( si->si_retrynum[i] > 0 )
1234                                 si->si_retrynum[i]--;
1235                         fail = si->si_retrynum[i];
1236                         rtask->interval.tv_sec = si->si_retryinterval[i];
1237                         ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1238                         slap_wake_listener();
1239                 }
1240         }
1241
1242         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1243         ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1244
1245         if ( rc ) {
1246                 if ( fail == RETRYNUM_TAIL ) {
1247                         Debug( LDAP_DEBUG_ANY,
1248                                 "do_syncrepl: rid %03d quitting\n",
1249                                 si->si_rid, 0, 0 );
1250                 } else if ( fail > 0 ) {
1251                         Debug( LDAP_DEBUG_ANY,
1252                                 "do_syncrepl: rid %03d retrying (%d retries left)\n",
1253                                 si->si_rid, fail, 0 );
1254                 } else {
1255                         Debug( LDAP_DEBUG_ANY,
1256                                 "do_syncrepl: rid %03d retrying\n",
1257                                 si->si_rid, 0, 0 );
1258                 }
1259         }
1260
1261         /* Do final delete cleanup */
1262         if ( !si->si_ctype ) {
1263                 cookie_state *cs = NULL;
1264                 syncinfo_t **sip;
1265
1266                 cs = be->be_syncinfo->si_cookieState;
1267                 for ( sip = &be->be_syncinfo; *sip != si; sip = &(*sip)->si_next );
1268                 *sip = si->si_next;
1269                 syncinfo_free( si, 0 );
1270                 if ( !be->be_syncinfo ) {
1271                         SLAP_DBFLAGS( be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
1272                         if ( cs ) {
1273                                 ch_free( cs->cs_sids );
1274                                 ber_bvarray_free( cs->cs_vals );
1275                                 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
1276                                 ch_free( cs );
1277                         }
1278                 }
1279         }
1280         return NULL;
1281 }
1282
1283 static slap_verbmasks modops[] = {
1284         { BER_BVC("add"), LDAP_REQ_ADD },
1285         { BER_BVC("delete"), LDAP_REQ_DELETE },
1286         { BER_BVC("modify"), LDAP_REQ_MODIFY },
1287         { BER_BVC("modrdn"), LDAP_REQ_MODRDN},
1288         { BER_BVNULL, 0 }
1289 };
1290
1291 static Modifications *
1292 syncrepl_accesslog_mods(
1293         syncinfo_t *si,
1294         struct berval *vals
1295 )
1296 {
1297         char *colon;
1298         const char *text;
1299         AttributeDescription *ad;
1300         struct berval bv, bv2;
1301         short op;
1302         Modifications *mod = NULL, *modlist = NULL, **modtail;
1303         int i;
1304
1305         modtail = &modlist;
1306
1307         for (i=0; !BER_BVISNULL( &vals[i] ); i++) {
1308                 ad = NULL;
1309                 bv = vals[i];
1310
1311                 colon = ber_bvchr( &bv, ':' );
1312                 if ( !colon ) {
1313                         /* Invalid */
1314                         continue;
1315                 }
1316
1317                 bv.bv_len = colon - bv.bv_val;
1318                 if ( slap_bv2ad( &bv, &ad, &text ) ) {
1319                         /* Invalid */
1320                         continue;
1321                 }
1322
1323                 /* Ignore dynamically generated attrs */
1324                 if ( ad->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1325                         continue;
1326                 }
1327
1328                 /* Ignore excluded attrs */
1329                 if ( ldap_charray_inlist( si->si_exattrs,
1330                         ad->ad_type->sat_cname.bv_val ) )
1331                 {
1332                         continue;
1333                 }
1334
1335                 switch(colon[1]) {
1336                 case '+':       op = LDAP_MOD_ADD; break;
1337                 case '-':       op = LDAP_MOD_DELETE; break;
1338                 case '=':       op = LDAP_MOD_REPLACE; break;
1339                 case '#':       op = LDAP_MOD_INCREMENT; break;
1340                 default:        continue;
1341                 }
1342
1343                 if ( !mod || ad != mod->sml_desc || op != mod->sml_op ) {
1344                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1345                         mod->sml_flags = 0;
1346                         mod->sml_op = op;
1347                         mod->sml_next = NULL;
1348                         mod->sml_desc = ad;
1349                         mod->sml_type = ad->ad_cname;
1350                         mod->sml_values = NULL;
1351                         mod->sml_nvalues = NULL;
1352
1353                         *modtail = mod;
1354                         modtail = &mod->sml_next;
1355                 }
1356                 if ( colon[2] == ' ' ) {
1357                         bv.bv_val = colon + 3;
1358                         bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val );
1359                         ber_dupbv( &bv2, &bv );
1360                         ber_bvarray_add( &mod->sml_values, &bv2 );
1361                 }
1362         }
1363         return modlist;
1364 }
1365
1366 static Modifications *
1367 syncrepl_changelog_mods(
1368         syncinfo_t *si,
1369         struct berval *vals
1370 )
1371 {
1372         return NULL;    /* FIXME */
1373 }
1374
1375 static int
1376 syncrepl_message_to_op(
1377         syncinfo_t      *si,
1378         Operation       *op,
1379         LDAPMessage     *msg
1380 )
1381 {
1382         BerElement      *ber = NULL;
1383         Modifications   *modlist = NULL;
1384         logschema *ls;
1385         SlapReply rs = { REP_RESULT };
1386         slap_callback cb = { NULL, null_callback, NULL, NULL };
1387
1388         const char      *text;
1389         char txtbuf[SLAP_TEXT_BUFLEN];
1390         size_t textlen = sizeof txtbuf;
1391
1392         struct berval   bdn, dn = BER_BVNULL, ndn;
1393         struct berval   bv, *bvals = NULL;
1394         struct berval   rdn = BER_BVNULL, sup = BER_BVNULL,
1395                 prdn = BER_BVNULL, nrdn = BER_BVNULL,
1396                 psup = BER_BVNULL, nsup = BER_BVNULL;
1397         int             rc, deleteOldRdn = 0, freeReqDn = 0;
1398
1399         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1400                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1401                         "Message type should be entry (%d)",
1402                         si->si_ridtxt, ldap_msgtype( msg ), 0 );
1403                 return -1;
1404         }
1405
1406         if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
1407                 ls = &accesslog_sc;
1408         else
1409                 ls = &changelog_sc;
1410
1411         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1412
1413         if ( rc != LDAP_SUCCESS ) {
1414                 Debug( LDAP_DEBUG_ANY,
1415                         "syncrepl_message_to_op: %s dn get failed (%d)",
1416                         si->si_ridtxt, rc, 0 );
1417                 return rc;
1418         }
1419
1420         op->o_tag = LBER_DEFAULT;
1421         op->o_bd = si->si_wbe;
1422
1423         while (( rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, &bvals ) )
1424                 == LDAP_SUCCESS ) {
1425                 if ( bv.bv_val == NULL )
1426                         break;
1427
1428                 if ( !ber_bvstrcasecmp( &bv, &ls->ls_dn ) ) {
1429                         bdn = bvals[0];
1430                         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1431                         ber_dupbv( &op->o_req_dn, &dn );
1432                         ber_dupbv( &op->o_req_ndn, &ndn );
1433                         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1434                         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1435                         freeReqDn = 1;
1436                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_req ) ) {
1437                         int i = verb_to_mask( bvals[0].bv_val, modops );
1438                         if ( i < 0 ) {
1439                                 Debug( LDAP_DEBUG_ANY,
1440                                         "syncrepl_message_to_op: %s unknown op %s",
1441                                         si->si_ridtxt, bvals[0].bv_val, 0 );
1442                                 ch_free( bvals );
1443                                 rc = -1;
1444                                 goto done;
1445                         }
1446                         op->o_tag = modops[i].mask;
1447                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_mod ) ) {
1448                         /* Parse attribute into modlist */
1449                         if ( si->si_syncdata == SYNCDATA_ACCESSLOG ) {
1450                                 modlist = syncrepl_accesslog_mods( si, bvals );
1451                         } else {
1452                                 modlist = syncrepl_changelog_mods( si, bvals );
1453                         }
1454                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newRdn ) ) {
1455                         rdn = bvals[0];
1456                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_delRdn ) ) {
1457                         if ( !ber_bvstrcasecmp( &slap_true_bv, bvals ) ) {
1458                                 deleteOldRdn = 1;
1459                         }
1460                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup ) ) {
1461                         sup = bvals[0];
1462                 } else if ( !ber_bvstrcasecmp( &bv,
1463                         &slap_schema.si_ad_entryCSN->ad_cname ) )
1464                 {
1465                         slap_queue_csn( op, bvals );
1466                 }
1467                 ch_free( bvals );
1468         }
1469
1470         /* If we didn't get a mod type or a target DN, bail out */
1471         if ( op->o_tag == LBER_DEFAULT || BER_BVISNULL( &dn ) ) {
1472                 rc = -1;
1473                 goto done;
1474         }
1475
1476         op->o_callback = &cb;
1477         slap_op_time( &op->o_time, &op->o_tincr );
1478
1479         switch( op->o_tag ) {
1480         case LDAP_REQ_ADD:
1481         case LDAP_REQ_MODIFY:
1482                 /* If we didn't get required data, bail */
1483                 if ( !modlist ) goto done;
1484
1485                 rc = slap_mods_check( op, modlist, &text, txtbuf, textlen, NULL );
1486
1487                 if ( rc != LDAP_SUCCESS ) {
1488                         Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1489                                 "mods check (%s)\n",
1490                                 si->si_ridtxt, text, 0 );
1491                         goto done;
1492                 }
1493
1494                 if ( op->o_tag == LDAP_REQ_ADD ) {
1495                         Entry *e = entry_alloc();
1496                         op->ora_e = e;
1497                         op->ora_e->e_name = op->o_req_dn;
1498                         op->ora_e->e_nname = op->o_req_ndn;
1499                         freeReqDn = 0;
1500                         rc = slap_mods2entry( modlist, &op->ora_e, 1, 0, &text, txtbuf, textlen);
1501                         if( rc != LDAP_SUCCESS ) {
1502                                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1503                                 "mods2entry (%s)\n",
1504                                         si->si_ridtxt, text, 0 );
1505                         } else {
1506                                 rc = op->o_bd->be_add( op, &rs );
1507                                 Debug( LDAP_DEBUG_SYNC,
1508                                         "syncrepl_message_to_op: %s be_add %s (%d)\n",
1509                                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1510                         }
1511                         if ( e == op->ora_e )
1512                                 be_entry_release_w( op, op->ora_e );
1513                 } else {
1514                         op->orm_modlist = modlist;
1515                         op->o_bd = si->si_wbe;
1516                         rc = op->o_bd->be_modify( op, &rs );
1517                         modlist = op->orm_modlist;
1518                         Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1519                                 "syncrepl_message_to_op: %s be_modify %s (%d)\n",
1520                                 si->si_ridtxt, op->o_req_dn.bv_val, rc );
1521                         op->o_bd = si->si_be;
1522                 }
1523                 break;
1524         case LDAP_REQ_MODRDN:
1525                 if ( BER_BVISNULL( &rdn ) ) goto done;
1526
1527                 if ( rdnPretty( NULL, &rdn, &prdn, NULL ) ) {
1528                         goto done;
1529                 }
1530                 if ( rdnNormalize( 0, NULL, NULL, &rdn, &nrdn, NULL ) ) {
1531                         goto done;
1532                 }
1533                 if ( !BER_BVISNULL( &sup ) ) {
1534                         if ( dnPrettyNormal( NULL, &sup, &psup, &nsup, NULL ) ) {
1535                                 goto done;
1536                         }
1537                         op->orr_newSup = &psup;
1538                         op->orr_nnewSup = &nsup;
1539                 } else {
1540                         op->orr_newSup = NULL;
1541                         op->orr_nnewSup = NULL;
1542                 }
1543                 op->orr_newrdn = prdn;
1544                 op->orr_nnewrdn = nrdn;
1545                 op->orr_deleteoldrdn = deleteOldRdn;
1546                 op->orr_modlist = NULL;
1547                 if ( slap_modrdn2mods( op, &rs ) ) {
1548                         goto done;
1549                 }
1550
1551                 /* Append modlist for operational attrs */
1552                 {
1553                         Modifications *m;
1554
1555                         for ( m = op->orr_modlist; m->sml_next; m = m->sml_next )
1556                                 ;
1557                         m->sml_next = modlist;
1558                         modlist = NULL;
1559                 }
1560                 rc = op->o_bd->be_modrdn( op, &rs );
1561                 slap_mods_free( op->orr_modlist, 1 );
1562                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1563                         "syncrepl_message_to_op: %s be_modrdn %s (%d)\n",
1564                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1565                 break;
1566         case LDAP_REQ_DELETE:
1567                 rc = op->o_bd->be_delete( op, &rs );
1568                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1569                         "syncrepl_message_to_op: %s be_delete %s (%d)\n",
1570                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1571                 break;
1572         }
1573 done:
1574         slap_graduate_commit_csn( op );
1575         op->o_bd = si->si_be;
1576         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
1577         BER_BVZERO( &op->o_csn );
1578         if ( modlist ) {
1579                 slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
1580         }
1581         if ( !BER_BVISNULL( &rdn ) ) {
1582                 if ( !BER_BVISNULL( &nsup ) ) {
1583                         ch_free( nsup.bv_val );
1584                 }
1585                 if ( !BER_BVISNULL( &psup ) ) {
1586                         ch_free( psup.bv_val );
1587                 }
1588                 if ( !BER_BVISNULL( &nrdn ) ) {
1589                         ch_free( nrdn.bv_val );
1590                 }
1591                 if ( !BER_BVISNULL( &prdn ) ) {
1592                         ch_free( prdn.bv_val );
1593                 }
1594         }
1595         if ( freeReqDn ) {
1596                 ch_free( op->o_req_ndn.bv_val );
1597                 ch_free( op->o_req_dn.bv_val );
1598         }
1599         ber_free( ber, 0 );
1600         return rc;
1601 }
1602
1603 static int
1604 syncrepl_message_to_entry(
1605         syncinfo_t      *si,
1606         Operation       *op,
1607         LDAPMessage     *msg,
1608         Modifications   **modlist,
1609         Entry                   **entry,
1610         int             syncstate
1611 )
1612 {
1613         Entry           *e = NULL;
1614         BerElement      *ber = NULL;
1615         Modifications   tmp;
1616         Modifications   *mod;
1617         Modifications   **modtail = modlist;
1618
1619         const char      *text;
1620         char txtbuf[SLAP_TEXT_BUFLEN];
1621         size_t textlen = sizeof txtbuf;
1622
1623         struct berval   bdn = BER_BVNULL, dn, ndn;
1624         int             rc, is_ctx;
1625
1626         *modlist = NULL;
1627
1628         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1629                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s "
1630                         "Message type should be entry (%d)",
1631                         si->si_ridtxt, ldap_msgtype( msg ), 0 );
1632                 return -1;
1633         }
1634
1635         op->o_tag = LDAP_REQ_ADD;
1636
1637         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1638         if ( rc != LDAP_SUCCESS ) {
1639                 Debug( LDAP_DEBUG_ANY,
1640                         "syncrepl_message_to_entry: %s dn get failed (%d)",
1641                         si->si_ridtxt, rc, 0 );
1642                 return rc;
1643         }
1644
1645         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1646                 /* NOTE: this could be done even before decoding the DN,
1647                  * although encoding errors wouldn't be detected */
1648                 rc = LDAP_SUCCESS;
1649                 goto done;
1650         }
1651
1652         if ( entry == NULL ) {
1653                 return -1;
1654         }
1655
1656         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1657         ber_dupbv( &op->o_req_dn, &dn );
1658         ber_dupbv( &op->o_req_ndn, &ndn );
1659         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1660         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1661
1662         is_ctx = dn_match( &op->o_req_ndn, &op->o_bd->be_nsuffix[0] );
1663
1664         e = entry_alloc();
1665         e->e_name = op->o_req_dn;
1666         e->e_nname = op->o_req_ndn;
1667
1668         while ( ber_remaining( ber ) ) {
1669                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1670                         LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) )
1671                 {
1672                         break;
1673                 }
1674
1675                 /* Drop all updates to the contextCSN of the context entry
1676                  * (ITS#4622, etc.)
1677                  */
1678                 if ( is_ctx && !strcasecmp( tmp.sml_type.bv_val,
1679                         slap_schema.si_ad_contextCSN->ad_cname.bv_val )) {
1680                         ber_bvarray_free( tmp.sml_values );
1681                         continue;
1682                 }
1683
1684                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ) );
1685
1686                 mod->sml_op = LDAP_MOD_REPLACE;
1687                 mod->sml_flags = 0;
1688                 mod->sml_next = NULL;
1689                 mod->sml_desc = NULL;
1690                 mod->sml_type = tmp.sml_type;
1691                 mod->sml_values = tmp.sml_values;
1692                 mod->sml_nvalues = NULL;
1693
1694                 *modtail = mod;
1695                 modtail = &mod->sml_next;
1696         }
1697
1698         if ( *modlist == NULL ) {
1699                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s no attributes\n",
1700                         si->si_ridtxt, 0, 0 );
1701                 rc = -1;
1702                 goto done;
1703         }
1704
1705         rc = slap_mods_check( op, *modlist, &text, txtbuf, textlen, NULL );
1706
1707         if ( rc != LDAP_SUCCESS ) {
1708                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods check (%s)\n",
1709                         si->si_ridtxt, text, 0 );
1710                 goto done;
1711         }
1712
1713         /* Strip out dynamically generated attrs */
1714         for ( modtail = modlist; *modtail ; ) {
1715                 mod = *modtail;
1716                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1717                         *modtail = mod->sml_next;
1718                         slap_mod_free( &mod->sml_mod, 0 );
1719                         ch_free( mod );
1720                 } else {
1721                         modtail = &mod->sml_next;
1722                 }
1723         }
1724
1725         /* Strip out attrs in exattrs list */
1726         for ( modtail = modlist; *modtail ; ) {
1727                 mod = *modtail;
1728                 if ( ldap_charray_inlist( si->si_exattrs,
1729                         mod->sml_desc->ad_type->sat_cname.bv_val ) )
1730                 {
1731                         *modtail = mod->sml_next;
1732                         slap_mod_free( &mod->sml_mod, 0 );
1733                         ch_free( mod );
1734                 } else {
1735                         modtail = &mod->sml_next;
1736                 }
1737         }
1738
1739         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1740         if( rc != LDAP_SUCCESS ) {
1741                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods2entry (%s)\n",
1742                         si->si_ridtxt, text, 0 );
1743         }
1744
1745 done:
1746         ber_free( ber, 0 );
1747         if ( rc != LDAP_SUCCESS ) {
1748                 if ( e ) {
1749                         entry_free( e );
1750                         e = NULL;
1751                 }
1752         }
1753         if ( entry )
1754                 *entry = e;
1755
1756         return rc;
1757 }
1758
1759 static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
1760
1761 /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
1762  * entry if a previous refresh was interrupted before sending us a new
1763  * context state. We try to compare the new entry to the existing entry
1764  * and ignore the new entry if they are the same.
1765  *
1766  * Also, we may get an update where the entryDN has changed, due to
1767  * a ModDn on the provider. We detect this as well, so we can issue
1768  * the corresponding operation locally.
1769  *
1770  * In the case of a modify, we get a list of all the attributes
1771  * in the original entry. Rather than deleting the entry and re-adding it,
1772  * we issue a Modify request that deletes all the attributes and adds all
1773  * the new ones. This avoids the issue of trying to delete/add a non-leaf
1774  * entry.
1775  *
1776  * We otherwise distinguish ModDN from Modify; in the case of
1777  * a ModDN we just use the CSN, modifyTimestamp and modifiersName
1778  * operational attributes from the entry, and do a regular ModDN.
1779  */
1780 typedef struct dninfo {
1781         Entry *new_entry;
1782         struct berval dn;
1783         struct berval ndn;
1784         int renamed;    /* Was an existing entry renamed? */
1785         int delOldRDN;  /* Was old RDN deleted? */
1786         Modifications **modlist;        /* the modlist we received */
1787         Modifications *mods;    /* the modlist we compared */
1788 } dninfo;
1789
1790 static int
1791 syncrepl_entry(
1792         syncinfo_t* si,
1793         Operation *op,
1794         Entry* entry,
1795         Modifications** modlist,
1796         int syncstate,
1797         struct berval* syncUUID )
1798 {
1799         Backend *be = op->o_bd;
1800         slap_callback   cb = { NULL, NULL, NULL, NULL };
1801         struct berval   *syncuuid_bv = NULL;
1802         struct berval   syncUUID_strrep = BER_BVNULL;
1803         struct berval   uuid_bv = BER_BVNULL;
1804
1805         SlapReply       rs_search = {REP_RESULT};
1806         SlapReply       rs_delete = {REP_RESULT};
1807         SlapReply       rs_add = {REP_RESULT};
1808         SlapReply       rs_modify = {REP_RESULT};
1809         Filter f = {0};
1810 #ifdef LDAP_COMP_MATCH
1811         AttributeAssertion ava = { NULL, BER_BVNULL, NULL };
1812 #else
1813         AttributeAssertion ava = { NULL, BER_BVNULL };
1814 #endif
1815         int rc = LDAP_SUCCESS;
1816
1817         struct berval pdn = BER_BVNULL;
1818         dninfo dni = {0};
1819         int     retry = 1;
1820
1821         switch( syncstate ) {
1822         case LDAP_SYNC_PRESENT:
1823                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s %s\n",
1824                                         si->si_ridtxt,
1825                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_PRESENT)", 0 );
1826                 break;
1827         case LDAP_SYNC_ADD:
1828                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s %s\n",
1829                                         si->si_ridtxt,
1830                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD)", 0 );
1831                 break;
1832         case LDAP_SYNC_DELETE:
1833                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s %s\n",
1834                                         si->si_ridtxt,
1835                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_DELETE)", 0 );
1836                 break;
1837         case LDAP_SYNC_MODIFY:
1838                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s %s\n",
1839                                         si->si_ridtxt,
1840                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_MODIFY)", 0 );
1841                 break;
1842         default:
1843                 Debug( LDAP_DEBUG_ANY, "syncrepl_entry: %s %s\n",
1844                                         si->si_ridtxt,
1845                                         "LDAP_RES_SEARCH_ENTRY(UNKNOWN syncstate)", 0 );
1846         }
1847
1848         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD ) ) {
1849                 if ( !si->si_refreshPresent ) {
1850                         syncuuid_bv = ber_dupbv( NULL, syncUUID );
1851                         if ( avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1852                                 syncuuid_cmp, avl_dup_error ) )
1853                         {
1854                                 ber_bvfree( syncuuid_bv );
1855                                 syncuuid_bv = NULL;
1856                         }
1857                 }
1858         }
1859
1860         if ( syncstate == LDAP_SYNC_PRESENT ) {
1861                 return 0;
1862         } else if ( syncstate != LDAP_SYNC_DELETE ) {
1863                 if ( entry == NULL ) {
1864                         return 0;
1865                 }
1866         }
1867
1868         (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1869         if ( syncstate != LDAP_SYNC_DELETE ) {
1870                 Attribute       *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID );
1871
1872                 if ( a == NULL ) {
1873                         /* add if missing */
1874                         attr_merge_one( entry, slap_schema.si_ad_entryUUID,
1875                                 &syncUUID_strrep, syncUUID );
1876
1877                 } else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) {
1878                         /* replace only if necessary */
1879                         if ( a->a_nvals != a->a_vals ) {
1880                                 ber_memfree( a->a_nvals[0].bv_val );
1881                                 ber_dupbv( &a->a_nvals[0], syncUUID );
1882                         }
1883                         ber_memfree( a->a_vals[0].bv_val );
1884                         ber_dupbv( &a->a_vals[0], &syncUUID_strrep );
1885                 }
1886         }
1887
1888         f.f_choice = LDAP_FILTER_EQUALITY;
1889         f.f_ava = &ava;
1890         ava.aa_desc = slap_schema.si_ad_entryUUID;
1891         ava.aa_value = *syncUUID;
1892
1893         if ( syncuuid_bv ) {
1894                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s inserted UUID %s\n",
1895                         si->si_ridtxt, syncUUID_strrep.bv_val, 0 );
1896         }
1897         op->ors_filter = &f;
1898
1899         op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID_strrep.bv_len;
1900         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
1901                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1902         AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) );
1903         AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )],
1904                 syncUUID_strrep.bv_val, syncUUID_strrep.bv_len );
1905         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
1906         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1907
1908         op->o_tag = LDAP_REQ_SEARCH;
1909         op->ors_scope = LDAP_SCOPE_SUBTREE;
1910         op->ors_deref = LDAP_DEREF_NEVER;
1911
1912         /* get the entry for this UUID */
1913         op->o_req_dn = si->si_base;
1914         op->o_req_ndn = si->si_base;
1915
1916         op->o_time = slap_get_time();
1917         op->ors_tlimit = SLAP_NO_LIMIT;
1918         op->ors_slimit = 1;
1919
1920         op->ors_attrs = slap_anlist_all_attributes;
1921         op->ors_attrsonly = 0;
1922
1923         /* set callback function */
1924         op->o_callback = &cb;
1925         cb.sc_response = dn_callback;
1926         cb.sc_private = &dni;
1927         dni.new_entry = entry;
1928         dni.modlist = modlist;
1929
1930         if ( limits_check( op, &rs_search ) == 0 ) {
1931                 rc = be->be_search( op, &rs_search );
1932                 Debug( LDAP_DEBUG_SYNC,
1933                                 "syncrepl_entry: %s be_search (%d)\n",
1934                                 si->si_ridtxt, rc, 0 );
1935         }
1936
1937         if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
1938                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1939         }
1940
1941         cb.sc_response = null_callback;
1942         cb.sc_private = si;
1943
1944         if ( entry && !BER_BVISNULL( &entry->e_name ) ) {
1945                 Debug( LDAP_DEBUG_SYNC,
1946                                 "syncrepl_entry: %s %s\n",
1947                                 si->si_ridtxt, entry->e_name.bv_val, 0 );
1948         } else {
1949                 Debug( LDAP_DEBUG_SYNC,
1950                                 "syncrepl_entry: %s %s\n",
1951                                 si->si_ridtxt, dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0 );
1952         }
1953
1954         slap_op_time( &op->o_time, &op->o_tincr );
1955         switch ( syncstate ) {
1956         case LDAP_SYNC_ADD:
1957         case LDAP_SYNC_MODIFY:
1958                 {
1959                         Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN );
1960                         if ( a ) {
1961                                 /* FIXME: op->o_csn is assumed to be
1962                                  * on the thread's slab; this needs
1963                                  * to be cleared ASAP.
1964                                  * What happens if already present?
1965                                  */
1966                                 assert( BER_BVISNULL( &op->o_csn ) );
1967                                 op->o_csn = a->a_vals[0];
1968                         }
1969                 }
1970 retry_add:;
1971                 if ( BER_BVISNULL( &dni.dn ) ) {
1972
1973                         op->o_req_dn = entry->e_name;
1974                         op->o_req_ndn = entry->e_nname;
1975                         op->o_tag = LDAP_REQ_ADD;
1976                         op->ora_e = entry;
1977                         op->o_bd = si->si_wbe;
1978
1979                         rc = op->o_bd->be_add( op, &rs_add );
1980                         Debug( LDAP_DEBUG_SYNC,
1981                                         "syncrepl_entry: %s be_add (%d)\n",
1982                                         si->si_ridtxt, rc, 0 );
1983                         switch ( rs_add.sr_err ) {
1984                         case LDAP_SUCCESS:
1985                                 if ( op->ora_e == entry ) {
1986                                         be_entry_release_w( op, entry );
1987                                 }
1988                                 entry = NULL;
1989                                 break;
1990
1991                         case LDAP_REFERRAL:
1992                         /* we assume that LDAP_NO_SUCH_OBJECT is returned
1993                          * only if the suffix entry is not present */
1994                         case LDAP_NO_SUCH_OBJECT:
1995                                 rc = syncrepl_add_glue( op, entry );
1996                                 entry = NULL;
1997                                 break;
1998
1999                         /* if an entry was added via syncrepl_add_glue(),
2000                          * it likely has no entryUUID, so the previous
2001                          * be_search() doesn't find it.  In this case,
2002                          * give syncrepl a chance to modify it. Also
2003                          * allow for entries that were recreated with the
2004                          * same DN but a different entryUUID.
2005                          */
2006                         case LDAP_ALREADY_EXISTS:
2007                                 if ( retry ) {
2008                                         Operation       op2 = *op;
2009                                         SlapReply       rs2 = { 0 };
2010                                         slap_callback   cb2 = { 0 };
2011
2012                                         op2.o_bd = be;
2013                                         op2.o_tag = LDAP_REQ_SEARCH;
2014                                         op2.o_req_dn = entry->e_name;
2015                                         op2.o_req_ndn = entry->e_nname;
2016                                         op2.ors_scope = LDAP_SCOPE_BASE;
2017                                         op2.ors_deref = LDAP_DEREF_NEVER;
2018                                         op2.ors_attrs = slap_anlist_all_attributes;
2019                                         op2.ors_attrsonly = 0;
2020                                         op2.ors_limit = NULL;
2021                                         op2.ors_slimit = 1;
2022                                         op2.ors_tlimit = SLAP_NO_LIMIT;
2023
2024                                         f.f_choice = LDAP_FILTER_PRESENT;
2025                                         f.f_desc = slap_schema.si_ad_objectClass;
2026                                         op2.ors_filter = &f;
2027                                         op2.ors_filterstr = generic_filterstr;
2028
2029                                         op2.o_callback = &cb2;
2030                                         cb2.sc_response = dn_callback;
2031                                         cb2.sc_private = &dni;
2032
2033                                         rc = be->be_search( &op2, &rs2 );
2034                                         if ( rc ) goto done;
2035
2036                                         retry = 0;
2037                                         slap_op_time( &op->o_time, &op->o_tincr );
2038                                         goto retry_add;
2039                                 }
2040                                 /* FALLTHRU */
2041
2042                         default:
2043                                 Debug( LDAP_DEBUG_ANY,
2044                                         "syncrepl_entry: %s be_add failed (%d)\n",
2045                                         si->si_ridtxt, rs_add.sr_err, 0 );
2046                                 break;
2047                         }
2048                         op->o_bd = be;
2049                         goto done;
2050                 }
2051                 /* FALLTHRU */
2052                 op->o_req_dn = dni.dn;
2053                 op->o_req_ndn = dni.ndn;
2054                 if ( dni.renamed ) {
2055                         struct berval noldp, newp, nnewp;
2056
2057                         op->o_tag = LDAP_REQ_MODRDN;
2058                         dnRdn( &entry->e_name, &op->orr_newrdn );
2059                         dnRdn( &entry->e_nname, &op->orr_nnewrdn );
2060
2061                         dnParent( &dni.ndn, &noldp );
2062                         dnParent( &entry->e_nname, &nnewp );
2063                         if ( !dn_match( &noldp, &nnewp ) ) {
2064                                 dnParent( &entry->e_name, &newp );
2065                                 op->orr_newSup = &newp;
2066                                 op->orr_nnewSup = &nnewp;
2067                         } else {
2068                                 op->orr_newSup = NULL;
2069                                 op->orr_nnewSup = NULL;
2070                         }
2071                         op->orr_deleteoldrdn = dni.delOldRDN;
2072                         op->orr_modlist = NULL;
2073                         if ( ( rc = slap_modrdn2mods( op, &rs_modify ) ) ) {
2074                                 goto done;
2075                         }
2076
2077                         /* RDNs must be NUL-terminated for back-ldap */
2078                         noldp = op->orr_newrdn;
2079                         ber_dupbv_x( &op->orr_newrdn, &noldp, op->o_tmpmemctx );
2080                         noldp = op->orr_nnewrdn;
2081                         ber_dupbv_x( &op->orr_nnewrdn, &noldp, op->o_tmpmemctx );
2082
2083                         /* Setup opattrs too */
2084                         {
2085                                 static AttributeDescription *nullattr = NULL;
2086                                 static AttributeDescription **const opattrs[] = {
2087                                         &slap_schema.si_ad_entryCSN,
2088                                         &slap_schema.si_ad_modifiersName,
2089                                         &slap_schema.si_ad_modifyTimestamp,
2090                                         &nullattr
2091                                 };
2092                                 AttributeDescription *opattr;
2093                                 Modifications *mod, **modtail, **ml;
2094                                 int i;
2095
2096                                 for ( mod = op->orr_modlist;
2097                                         mod->sml_next;
2098                                         mod = mod->sml_next )
2099                                         ;
2100                                 modtail = &mod->sml_next;
2101
2102                                 /* pull mod off incoming modlist, append to orr_modlist */
2103                                 for ( i = 0; (opattr = *opattrs[i]) != NULL; i++ ) {
2104                                         for ( ml = modlist; *ml; ml = &(*ml)->sml_next )
2105                                         {
2106                                                 if ( (*ml)->sml_desc == opattr ) {
2107                                                         mod = *ml;
2108                                                         *ml = mod->sml_next;
2109                                                         mod->sml_next = NULL;
2110                                                         *modtail = mod;
2111                                                         modtail = &mod->sml_next;
2112                                                         break;
2113                                                 }
2114                                         }
2115                                 }
2116                         }
2117                         op->o_bd = si->si_wbe;
2118                         rc = op->o_bd->be_modrdn( op, &rs_modify );
2119                         op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
2120                         op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
2121
2122                         slap_mods_free( op->orr_modlist, 1 );
2123                         Debug( LDAP_DEBUG_SYNC,
2124                                         "syncrepl_entry: %s be_modrdn (%d)\n",
2125                                         si->si_ridtxt, rc, 0 );
2126                         op->o_bd = be;
2127                         goto done;
2128                 }
2129                 if ( dni.mods ) {
2130                         op->o_tag = LDAP_REQ_MODIFY;
2131                         op->orm_modlist = dni.mods;
2132                         op->orm_no_opattrs = 1;
2133                         op->o_bd = si->si_wbe;
2134
2135                         rc = op->o_bd->be_modify( op, &rs_modify );
2136                         slap_mods_free( op->orm_modlist, 1 );
2137                         Debug( LDAP_DEBUG_SYNC,
2138                                         "syncrepl_entry: %s be_modify (%d)\n",
2139                                         si->si_ridtxt, rc, 0 );
2140                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
2141                                 Debug( LDAP_DEBUG_ANY,
2142                                         "syncrepl_entry: %s be_modify failed (%d)\n",
2143                                         si->si_ridtxt, rs_modify.sr_err, 0 );
2144                         }
2145                         op->o_bd = be;
2146                 } else {
2147                         Debug( LDAP_DEBUG_SYNC,
2148                                         "syncrepl_entry: %s entry unchanged, ignored (%s)\n",
2149                                         si->si_ridtxt, op->o_req_dn.bv_val, 0 );
2150                 }
2151                 goto done;
2152         case LDAP_SYNC_DELETE :
2153                 if ( !BER_BVISNULL( &dni.dn ) ) {
2154                         op->o_req_dn = dni.dn;
2155                         op->o_req_ndn = dni.ndn;
2156                         op->o_tag = LDAP_REQ_DELETE;
2157                         op->o_bd = si->si_wbe;
2158                         rc = op->o_bd->be_delete( op, &rs_delete );
2159                         Debug( LDAP_DEBUG_SYNC,
2160                                         "syncrepl_entry: %s be_delete (%d)\n",
2161                                         si->si_ridtxt, rc, 0 );
2162
2163                         while ( rs_delete.sr_err == LDAP_SUCCESS
2164                                 && op->o_delete_glue_parent ) {
2165                                 op->o_delete_glue_parent = 0;
2166                                 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2167                                         slap_callback cb = { NULL };
2168                                         cb.sc_response = slap_null_cb;
2169                                         dnParent( &op->o_req_ndn, &pdn );
2170                                         op->o_req_dn = pdn;
2171                                         op->o_req_ndn = pdn;
2172                                         op->o_callback = &cb;
2173                                         op->o_bd->be_delete( op, &rs_delete );
2174                                 } else {
2175                                         break;
2176                                 }
2177                         }
2178                         op->o_bd = be;
2179                 }
2180                 goto done;
2181
2182         default :
2183                 Debug( LDAP_DEBUG_ANY,
2184                         "syncrepl_entry: %s unknown syncstate\n", si->si_ridtxt, 0, 0 );
2185                 goto done;
2186         }
2187
2188 done:
2189         if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
2190                 slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
2191                 BER_BVZERO( &syncUUID_strrep );
2192         }
2193         if ( !BER_BVISNULL( &dni.ndn ) ) {
2194                 op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
2195         }
2196         if ( !BER_BVISNULL( &dni.dn ) ) {
2197                 op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
2198         }
2199         if ( entry )
2200                 entry_free( entry );
2201         BER_BVZERO( &op->o_csn );
2202         return rc;
2203 }
2204
2205 static struct berval gcbva[] = {
2206         BER_BVC("top"),
2207         BER_BVC("glue"),
2208         BER_BVNULL
2209 };
2210
2211 #define NP_DELETE_ONE   2
2212
2213 static void
2214 syncrepl_del_nonpresent(
2215         Operation *op,
2216         syncinfo_t *si,
2217         BerVarray uuids,
2218         struct berval *cookiecsn )
2219 {
2220         Backend* be = op->o_bd;
2221         slap_callback   cb = { NULL };
2222         SlapReply       rs_search = {REP_RESULT};
2223         SlapReply       rs_delete = {REP_RESULT};
2224         SlapReply       rs_modify = {REP_RESULT};
2225         struct nonpresent_entry *np_list, *np_prev;
2226         int rc;
2227         AttributeName   an[2];
2228
2229         struct berval pdn = BER_BVNULL;
2230         struct berval csn;
2231
2232         op->o_req_dn = si->si_base;
2233         op->o_req_ndn = si->si_base;
2234
2235         cb.sc_response = nonpresent_callback;
2236         cb.sc_private = si;
2237
2238         op->o_callback = &cb;
2239         op->o_tag = LDAP_REQ_SEARCH;
2240         op->ors_scope = si->si_scope;
2241         op->ors_deref = LDAP_DEREF_NEVER;
2242         op->o_time = slap_get_time();
2243         op->ors_tlimit = SLAP_NO_LIMIT;
2244
2245
2246         if ( uuids ) {
2247                 Filter uf;
2248 #ifdef LDAP_COMP_MATCH
2249                 AttributeAssertion eq = { NULL, BER_BVNULL, NULL };
2250 #else
2251                 AttributeAssertion eq = { NULL, BER_BVNULL };
2252 #endif
2253                 int i;
2254
2255                 op->ors_attrsonly = 1;
2256                 op->ors_attrs = slap_anlist_no_attrs;
2257                 op->ors_limit = NULL;
2258                 op->ors_filter = &uf;
2259
2260                 uf.f_ava = &eq;
2261                 uf.f_av_desc = slap_schema.si_ad_entryUUID;
2262                 uf.f_next = NULL;
2263                 uf.f_choice = LDAP_FILTER_EQUALITY;
2264                 si->si_refreshDelete |= NP_DELETE_ONE;
2265
2266                 for (i=0; uuids[i].bv_val; i++) {
2267                         op->ors_slimit = 1;
2268                         slap_uuidstr_from_normalized( &uf.f_av_value, &uuids[i],
2269                                 op->o_tmpmemctx );
2270                         filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2271                         op->o_tmpfree( uf.f_av_value.bv_val, op->o_tmpmemctx );
2272                         uf.f_av_value = uuids[i];
2273                         rc = be->be_search( op, &rs_search );
2274                         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2275                 }
2276                 si->si_refreshDelete ^= NP_DELETE_ONE;
2277         } else {
2278                 memset( &an[0], 0, 2 * sizeof( AttributeName ) );
2279                 an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
2280                 an[0].an_desc = slap_schema.si_ad_entryUUID;
2281                 op->ors_attrs = an;
2282                 op->ors_slimit = SLAP_NO_LIMIT;
2283                 op->ors_attrsonly = 0;
2284                 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
2285                 op->ors_filterstr = si->si_filterstr;
2286                 op->o_nocaching = 1;
2287
2288                 if ( limits_check( op, &rs_search ) == 0 ) {
2289                         rc = be->be_search( op, &rs_search );
2290                 }
2291                 if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
2292         }
2293
2294         op->o_nocaching = 0;
2295
2296         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
2297
2298                 if ( cookiecsn && !BER_BVISNULL( cookiecsn ) ) {
2299                         csn = *cookiecsn;
2300                 } else {
2301                         csn = si->si_syncCookie.ctxcsn[0];
2302                 }
2303
2304                 op->o_bd = si->si_wbe;
2305                 slap_queue_csn( op, &csn );
2306
2307                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
2308                 while ( np_list != NULL ) {
2309                         LDAP_LIST_REMOVE( np_list, npe_link );
2310                         np_prev = np_list;
2311                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
2312                         op->o_tag = LDAP_REQ_DELETE;
2313                         op->o_callback = &cb;
2314                         cb.sc_response = null_callback;
2315                         cb.sc_private = si;
2316                         op->o_req_dn = *np_prev->npe_name;
2317                         op->o_req_ndn = *np_prev->npe_nname;
2318                         rc = op->o_bd->be_delete( op, &rs_delete );
2319                         Debug( LDAP_DEBUG_SYNC,
2320                                 "syncrepl_del_nonpresent: %s be_delete %s (%d)\n",
2321                                 si->si_ridtxt, op->o_req_dn.bv_val, rc );
2322
2323                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
2324                                 Modifications mod1, mod2;
2325                                 mod1.sml_op = LDAP_MOD_REPLACE;
2326                                 mod1.sml_flags = 0;
2327                                 mod1.sml_desc = slap_schema.si_ad_objectClass;
2328                                 mod1.sml_type = mod1.sml_desc->ad_cname;
2329                                 mod1.sml_values = &gcbva[0];
2330                                 mod1.sml_nvalues = NULL;
2331                                 mod1.sml_next = &mod2;
2332
2333                                 mod2.sml_op = LDAP_MOD_REPLACE;
2334                                 mod2.sml_flags = 0;
2335                                 mod2.sml_desc = slap_schema.si_ad_structuralObjectClass;
2336                                 mod2.sml_type = mod2.sml_desc->ad_cname;
2337                                 mod2.sml_values = &gcbva[1];
2338                                 mod2.sml_nvalues = NULL;
2339                                 mod2.sml_next = NULL;
2340
2341                                 op->o_tag = LDAP_REQ_MODIFY;
2342                                 op->orm_modlist = &mod1;
2343
2344                                 rc = op->o_bd->be_modify( op, &rs_modify );
2345                                 if ( mod2.sml_next ) slap_mods_free( mod2.sml_next, 1 );
2346                         }
2347
2348                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
2349                                         op->o_delete_glue_parent ) {
2350                                 op->o_delete_glue_parent = 0;
2351                                 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2352                                         slap_callback cb = { NULL };
2353                                         cb.sc_response = slap_null_cb;
2354                                         dnParent( &op->o_req_ndn, &pdn );
2355                                         op->o_req_dn = pdn;
2356                                         op->o_req_ndn = pdn;
2357                                         op->o_callback = &cb;
2358                                         /* give it a root privil ? */
2359                                         op->o_bd->be_delete( op, &rs_delete );
2360                                 } else {
2361                                         break;
2362                                 }
2363                         }
2364
2365                         op->o_delete_glue_parent = 0;
2366
2367                         ber_bvfree( np_prev->npe_name );
2368                         ber_bvfree( np_prev->npe_nname );
2369                         ch_free( np_prev );
2370                 }
2371
2372                 slap_graduate_commit_csn( op );
2373                 op->o_bd = be;
2374
2375                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2376                 BER_BVZERO( &op->o_csn );
2377         }
2378
2379         return;
2380 }
2381
2382 int
2383 syncrepl_add_glue(
2384         Operation* op,
2385         Entry *e )
2386 {
2387         Backend *be = op->o_bd;
2388         slap_callback cb = { NULL };
2389         Attribute       *a;
2390         int     rc;
2391         int suffrdns;
2392         int i;
2393         struct berval dn = BER_BVNULL;
2394         struct berval ndn = BER_BVNULL;
2395         Entry   *glue;
2396         SlapReply       rs_add = {REP_RESULT};
2397         struct berval   ptr, nptr;
2398         char            *comma;
2399
2400         op->o_tag = LDAP_REQ_ADD;
2401         op->o_callback = &cb;
2402         cb.sc_response = null_callback;
2403         cb.sc_private = NULL;
2404
2405         dn = e->e_name;
2406         ndn = e->e_nname;
2407
2408         /* count RDNs in suffix */
2409         if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
2410                 for ( i = 0, ptr = be->be_nsuffix[0], comma = ptr.bv_val; comma != NULL; comma = ber_bvchr( &ptr, ',' ) ) {
2411                         comma++;
2412                         ptr.bv_len -= comma - ptr.bv_val;
2413                         ptr.bv_val = comma;
2414                         i++;
2415                 }
2416                 suffrdns = i;
2417         } else {
2418                 /* suffix is "" */
2419                 suffrdns = 0;
2420         }
2421
2422         /* Start with BE suffix */
2423         ptr = dn;
2424         for ( i = 0; i < suffrdns; i++ ) {
2425                 comma = ber_bvrchr( &ptr, ',' );
2426                 if ( comma != NULL ) {
2427                         ptr.bv_len = comma - ptr.bv_val;
2428                 } else {
2429                         ptr.bv_len = 0;
2430                         break;
2431                 }
2432         }
2433
2434         if ( !BER_BVISEMPTY( &ptr ) ) {
2435                 dn.bv_len -= ptr.bv_len + 1;
2436                 dn.bv_val += ptr.bv_len + 1;
2437         }
2438
2439         /* the normalizedDNs are always the same length, no counting
2440          * required.
2441          */
2442         nptr = ndn;
2443         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
2444                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
2445                 ndn.bv_len = be->be_nsuffix[0].bv_len;
2446
2447                 nptr.bv_len = ndn.bv_val - nptr.bv_val - 1;
2448
2449         } else {
2450                 nptr.bv_len = 0;
2451         }
2452
2453         while ( ndn.bv_val > e->e_nname.bv_val ) {
2454                 glue = entry_alloc();
2455                 ber_dupbv( &glue->e_name, &dn );
2456                 ber_dupbv( &glue->e_nname, &ndn );
2457
2458                 a = attr_alloc( slap_schema.si_ad_objectClass );
2459
2460                 a->a_vals = ch_calloc( 3, sizeof( struct berval ) );
2461                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
2462                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
2463                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
2464
2465                 a->a_nvals = a->a_vals;
2466
2467                 a->a_next = glue->e_attrs;
2468                 glue->e_attrs = a;
2469
2470                 a = attr_alloc( slap_schema.si_ad_structuralObjectClass );
2471
2472                 a->a_vals = ch_calloc( 2, sizeof( struct berval ) );
2473                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
2474                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
2475
2476                 a->a_nvals = a->a_vals;
2477
2478                 a->a_next = glue->e_attrs;
2479                 glue->e_attrs = a;
2480
2481                 op->o_req_dn = glue->e_name;
2482                 op->o_req_ndn = glue->e_nname;
2483                 op->ora_e = glue;
2484                 rc = be->be_add ( op, &rs_add );
2485                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
2486                         if ( op->ora_e == glue )
2487                                 be_entry_release_w( op, glue );
2488                 } else {
2489                 /* incl. ALREADY EXIST */
2490                         entry_free( glue );
2491                         if ( rs_add.sr_err != LDAP_ALREADY_EXISTS ) {
2492                                 entry_free( e );
2493                                 return rc;
2494                         }
2495                 }
2496
2497                 /* Move to next child */
2498                 comma = ber_bvrchr( &ptr, ',' );
2499                 if ( comma == NULL ) {
2500                         break;
2501                 }
2502                 ptr.bv_len = comma - ptr.bv_val;
2503
2504                 dn.bv_val = ++comma;
2505                 dn.bv_len = e->e_name.bv_len - (dn.bv_val - e->e_name.bv_val);
2506
2507                 comma = ber_bvrchr( &nptr, ',' );
2508                 assert( comma != NULL );
2509                 nptr.bv_len = comma - nptr.bv_val;
2510
2511                 ndn.bv_val = ++comma;
2512                 ndn.bv_len = e->e_nname.bv_len - (ndn.bv_val - e->e_nname.bv_val);
2513         }
2514
2515         op->o_req_dn = e->e_name;
2516         op->o_req_ndn = e->e_nname;
2517         op->ora_e = e;
2518         rc = be->be_add ( op, &rs_add );
2519         if ( rs_add.sr_err == LDAP_SUCCESS ) {
2520                 if ( op->ora_e == e )
2521                         be_entry_release_w( op, e );
2522         } else {
2523                 entry_free( e );
2524         }
2525
2526         return rc;
2527 }
2528
2529 static int
2530 syncrepl_updateCookie(
2531         syncinfo_t *si,
2532         Operation *op,
2533         struct berval *pdn,
2534         struct sync_cookie *syncCookie )
2535 {
2536         Backend *be = op->o_bd;
2537         Modifications mod[2];
2538         struct berval first = BER_BVNULL;
2539
2540         int rc, i, j, len;
2541
2542         slap_callback cb = { NULL };
2543         SlapReply       rs_modify = {REP_RESULT};
2544
2545         mod[0].sml_op = LDAP_MOD_DELETE;
2546         mod[0].sml_desc = slap_schema.si_ad_contextCSN;
2547         mod[0].sml_type = mod[0].sml_desc->ad_cname;
2548         mod[0].sml_values = NULL;
2549         mod[0].sml_nvalues = NULL;
2550         mod[0].sml_next = &mod[1];
2551
2552         mod[1].sml_op = LDAP_MOD_ADD;
2553         mod[1].sml_desc = slap_schema.si_ad_contextCSN;
2554         mod[1].sml_type = mod[0].sml_desc->ad_cname;
2555         mod[1].sml_values = NULL;
2556         mod[1].sml_nvalues = NULL;
2557         mod[1].sml_next = NULL;
2558
2559         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
2560
2561         for ( i=0; i<syncCookie->numcsns; i++ ) {
2562                 for ( j=0; j<si->si_cookieState->cs_num; j++ ) {
2563                         if ( syncCookie->sids[i] != si->si_cookieState->cs_sids[j] )
2564                                 continue;
2565                         len = syncCookie->ctxcsn[i].bv_len;
2566                         if ( len > si->si_cookieState->cs_vals[j].bv_len )
2567                                 len = si->si_cookieState->cs_vals[j].bv_len;
2568                         if ( memcmp( syncCookie->ctxcsn[i].bv_val,
2569                                 si->si_cookieState->cs_vals[j].bv_val, len ) > 0 ) {
2570                                 ber_bvarray_add_x( &mod[0].sml_values,
2571                                         &si->si_cookieState->cs_vals[j], op->o_tmpmemctx );
2572                                 ber_bvarray_add_x( &mod[1].sml_values,
2573                                         &syncCookie->ctxcsn[i], op->o_tmpmemctx );
2574                                 if ( BER_BVISNULL( &first ))
2575                                         first = syncCookie->ctxcsn[i];
2576                         }
2577                         break;
2578                 }
2579                 /* there was no match for this SID, it's a new CSN */
2580                 if ( j == si->si_cookieState->cs_num ) {
2581                         ber_bvarray_add_x( &mod[1].sml_values,
2582                                 &syncCookie->ctxcsn[i], op->o_tmpmemctx );
2583                         if ( BER_BVISNULL( &first ))
2584                                 first = syncCookie->ctxcsn[i];
2585                 }
2586         }
2587         op->o_bd = si->si_wbe;
2588         slap_queue_csn( op, &first );
2589
2590         op->o_tag = LDAP_REQ_MODIFY;
2591
2592         cb.sc_response = null_callback;
2593         cb.sc_private = si;
2594
2595         op->o_callback = &cb;
2596         op->o_req_dn = op->o_bd->be_suffix[0];
2597         op->o_req_ndn = op->o_bd->be_nsuffix[0];
2598
2599         /* update contextCSN */
2600         op->o_msgid = SLAP_SYNC_UPDATE_MSGID;
2601
2602         if ( mod[0].sml_values )
2603                 op->orm_modlist = mod;
2604         else
2605                 op->orm_modlist = &mod[1];
2606
2607         op->orm_no_opattrs = 1;
2608         rc = op->o_bd->be_modify( op, &rs_modify );
2609         op->o_msgid = 0;
2610
2611         if ( rs_modify.sr_err == LDAP_SUCCESS ) {
2612                 slap_sync_cookie_free( &si->si_syncCookie, 0 );
2613                 slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
2614                 /* If we replaced any old values */
2615                 if ( mod[0].sml_values ) {
2616                         for ( i=0; !BER_BVISNULL( &mod[0].sml_values[i] ); i++ ) {
2617                                 for ( j=0; j<si->si_cookieState->cs_num; j++ ) {
2618                                         if ( mod[0].sml_values[i].bv_val !=
2619                                                 si->si_cookieState->cs_vals[j].bv_val )
2620                                                 continue;
2621                                         ber_bvreplace( &si->si_cookieState->cs_vals[j],
2622                                                 &mod[1].sml_values[i] );
2623                                         break;
2624                                 }
2625                         }
2626                 } else {
2627                         /* Else we just added */
2628                         si->si_cookieState->cs_num += syncCookie->numcsns;
2629                         value_add( &si->si_cookieState->cs_vals, syncCookie->ctxcsn );
2630                         free( si->si_cookieState->cs_sids );
2631                         si->si_cookieState->cs_sids = slap_parse_csn_sids(
2632                                 si->si_cookieState->cs_vals, si->si_cookieState->cs_num, NULL );
2633                 }
2634
2635                 si->si_cookieState->cs_age++;
2636                 si->si_cookieAge = si->si_cookieState->cs_age;
2637         } else {
2638                 Debug( LDAP_DEBUG_ANY,
2639                         "syncrepl_updateCookie: %s be_modify failed (%d)\n",
2640                         si->si_ridtxt, rs_modify.sr_err, 0 );
2641         }
2642         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
2643
2644         slap_graduate_commit_csn( op );
2645         op->o_bd = be;
2646         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2647         BER_BVZERO( &op->o_csn );
2648         if ( mod[1].sml_next ) slap_mods_free( mod[1].sml_next, 1 );
2649         op->o_tmpfree( mod[1].sml_values, op->o_tmpmemctx );
2650         op->o_tmpfree( mod[0].sml_values, op->o_tmpmemctx );
2651
2652         return rc;
2653 }
2654
2655 static void
2656 attr_cmp( Operation *op, Attribute *old, Attribute *new,
2657         Modifications ***mret, Modifications ***mcur )
2658 {
2659         int i, j;
2660         Modifications *mod, **modtail;
2661
2662         modtail = *mret;
2663
2664         if ( old ) {
2665                 int n, o, d, a, *adds, *dels;
2666                 /* count old and new */
2667                 for ( o=0; old->a_vals[o].bv_val; o++ ) ;
2668                 for ( n=0; new->a_vals[n].bv_val; n++ ) ;
2669
2670                 adds = op->o_tmpalloc( sizeof(int) * n, op->o_tmpmemctx );
2671                 dels = op->o_tmpalloc( sizeof(int) * o, op->o_tmpmemctx );
2672                 d = 0;
2673                 a = 0;
2674                 i = 0;
2675                 j = 0;
2676
2677                 while ( i < o && j < n ) {
2678                         int k;
2679                         if ( bvmatch( &old->a_vals[i], &new->a_vals[j] ) ) {
2680                                 i++;
2681                                 j++;
2682                                 continue;
2683                         }
2684                         for ( k = j + 1; k<n; k++ ) {
2685                                 if ( bvmatch( &old->a_vals[i], &new->a_vals[k] ) ) {
2686                                         break;
2687                                 }
2688                         }
2689                         /* an old value was deleted */
2690                         if ( k == n ) {
2691                                 dels[d++] = i++;
2692                                 continue;
2693                         }
2694                         for ( k = i + 1; k < o; k++ ) {
2695                                 if ( bvmatch( &old->a_vals[k], &new->a_vals[j] ) ) {
2696                                         break;
2697                                 }
2698                         }
2699                         if ( k == o ) {
2700                                 adds[a++] = j++;
2701                         }
2702                 }
2703                 while ( i < o )
2704                         dels[d++] = i++;
2705                 while ( j < n )
2706                         adds[a++] = j++;
2707
2708                 /* all old values were deleted, just use the replace op */
2709                 if ( d == o ) {
2710                         i = j-1;
2711                 } else if ( d ) {
2712                 /* delete some values */
2713                         mod = ch_malloc( sizeof( Modifications ) );
2714                         mod->sml_op = LDAP_MOD_DELETE;
2715                         mod->sml_flags = 0;
2716                         mod->sml_desc = old->a_desc;
2717                         mod->sml_type = mod->sml_desc->ad_cname;
2718                         mod->sml_values = ch_malloc( ( d + 1 ) * sizeof(struct berval) );
2719                         if ( old->a_vals != old->a_nvals ) {
2720                                 mod->sml_nvalues = ch_malloc( ( d + 1 ) * sizeof(struct berval) );
2721                         } else {
2722                                 mod->sml_nvalues = NULL;
2723                         }
2724                         for ( i = 0; i < d; i++ ) {
2725                                 ber_dupbv( &mod->sml_values[i], &old->a_vals[dels[i]] );
2726                                 if ( mod->sml_nvalues ) {
2727                                         ber_dupbv( &mod->sml_nvalues[i], &old->a_nvals[dels[i]] );
2728                                 }
2729                         }
2730                         BER_BVZERO( &mod->sml_values[i] );
2731                         if ( mod->sml_nvalues ) {
2732                                 BER_BVZERO( &mod->sml_nvalues[i] );
2733                         }
2734                         *modtail = mod;
2735                         modtail = &mod->sml_next;
2736                         i = j;
2737                 }
2738                 op->o_tmpfree( dels, op->o_tmpmemctx );
2739                 /* some values were added */
2740                 if ( a && d < o ) {
2741                         mod = ch_malloc( sizeof( Modifications ) );
2742                         mod->sml_op = LDAP_MOD_ADD;
2743                         mod->sml_flags = 0;
2744                         mod->sml_desc = old->a_desc;
2745                         mod->sml_type = mod->sml_desc->ad_cname;
2746                         mod->sml_values = ch_malloc( ( a + 1 ) * sizeof(struct berval) );
2747                         if ( old->a_vals != old->a_nvals ) {
2748                                 mod->sml_nvalues = ch_malloc( ( a + 1 ) * sizeof(struct berval) );
2749                         } else {
2750                                 mod->sml_nvalues = NULL;
2751                         }
2752                         for ( i = 0; i < a; i++ ) {
2753                                 ber_dupbv( &mod->sml_values[i], &new->a_vals[adds[i]] );
2754                                 if ( mod->sml_nvalues ) {
2755                                         ber_dupbv( &mod->sml_nvalues[i], &new->a_nvals[adds[i]] );
2756                                 }
2757                         }
2758                         BER_BVZERO( &mod->sml_values[i] );
2759                         if ( mod->sml_nvalues ) {
2760                                 BER_BVZERO( &mod->sml_nvalues[i] );
2761                         }
2762                         *modtail = mod;
2763                         modtail = &mod->sml_next;
2764                         i = j;
2765                 }
2766                 op->o_tmpfree( adds, op->o_tmpmemctx );
2767         } else {
2768                 /* new attr, just use the new mod */
2769                 i = 0;
2770                 j = 1;
2771         }
2772         /* advance to next element */
2773         mod = **mcur;
2774         if ( mod ) {
2775                 if ( i != j ) {
2776                         **mcur = mod->sml_next;
2777                         *modtail = mod;
2778                         modtail = &mod->sml_next;
2779                 } else {
2780                         *mcur = &mod->sml_next;
2781                 }
2782         }
2783         *mret = modtail;
2784 }
2785
2786 static int
2787 dn_callback(
2788         Operation*      op,
2789         SlapReply*      rs )
2790 {
2791         dninfo *dni = op->o_callback->sc_private;
2792
2793         if ( rs->sr_type == REP_SEARCH ) {
2794                 if ( !BER_BVISNULL( &dni->dn ) ) {
2795                         Debug( LDAP_DEBUG_ANY,
2796                                 "dn_callback : consistency error - "
2797                                 "entryUUID is not unique\n", 0, 0, 0 );
2798                 } else {
2799                         ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
2800                         ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
2801                         /* If there is a new entry, see if it differs from the old.
2802                          * We compare the non-normalized values so that cosmetic changes
2803                          * in the provider are always propagated.
2804                          */
2805                         if ( dni->new_entry ) {
2806                                 Modifications **modtail, **ml;
2807                                 Attribute *old, *new;
2808                                 int i, is_ctx;
2809
2810                                 is_ctx = dn_match( &rs->sr_entry->e_nname,
2811                                         &op->o_bd->be_nsuffix[0] );
2812
2813                                 /* Did the DN change?
2814                                  */
2815                                 if ( !dn_match( &rs->sr_entry->e_name,
2816                                                 &dni->new_entry->e_name ) )
2817                                 {
2818                                         struct berval oldRDN, oldVal;
2819                                         AttributeDescription *ad = NULL;
2820                                         Attribute *a;
2821
2822                                         dni->renamed = 1;
2823                                         /* See if the oldRDN was deleted */
2824                                         dnRdn( &rs->sr_entry->e_nname, &oldRDN );
2825                                         oldVal.bv_val = strchr(oldRDN.bv_val, '=') + 1;
2826                                         oldVal.bv_len = oldRDN.bv_len - ( oldVal.bv_val -
2827                                                 oldRDN.bv_val );
2828                                         oldRDN.bv_len -= oldVal.bv_len + 2;
2829                                         slap_bv2ad( &oldRDN, &ad, &rs->sr_text );
2830                                         a = attr_find( dni->new_entry->e_attrs, ad );
2831                                         if ( !a || value_find_ex( ad,
2832                                                 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH |
2833                                                 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
2834                                                 SLAP_MR_VALUE_OF_SYNTAX, a->a_nvals,
2835                                                 &oldVal, op->o_tmpmemctx ) != LDAP_SUCCESS )
2836                                         {
2837                                                 dni->delOldRDN = 1;
2838                                         }
2839                                         /* OK, this was just a modDN, we're done */
2840                                         return LDAP_SUCCESS;
2841                                 }
2842
2843                                 modtail = &dni->mods;
2844                                 ml = dni->modlist;
2845
2846                                 /* Make sure new entry is actually newer than old entry */
2847                                 old = attr_find( rs->sr_entry->e_attrs,
2848                                         slap_schema.si_ad_entryCSN );
2849                                 new = attr_find( dni->new_entry->e_attrs,
2850                                         slap_schema.si_ad_entryCSN );
2851                                 if ( new && old ) {
2852                                         int len = old->a_vals[0].bv_len;
2853                                         if ( len > new->a_vals[0].bv_len )
2854                                                 len = new->a_vals[0].bv_len;
2855                                         if ( memcmp( old->a_vals[0].bv_val,
2856                                                 new->a_vals[0].bv_val, len ) >= 0 ) {
2857                                                 Debug( LDAP_DEBUG_SYNC,
2858                                                         "dn_callback : new entry is older than ours "
2859                                                         "%s ours %s, new %s\n",
2860                                                         rs->sr_entry->e_name.bv_val,
2861                                                         old->a_vals[0].bv_val,
2862                                                         new->a_vals[0].bv_val );
2863                                                 return LDAP_SUCCESS;
2864                                         }
2865                                 }
2866
2867                                 /* We assume that attributes are saved in the same order
2868                                  * in the remote and local databases. So if we walk through
2869                                  * the attributeDescriptions one by one they should match in
2870                                  * lock step. If not, look for an add or delete.
2871                                  */
2872                                 for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
2873                                                 old && new; )
2874                                 {
2875                                         /* If we've seen this before, use its mod now */
2876                                         if ( new->a_flags & SLAP_ATTR_IXADD ) {
2877                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2878                                                 new = new->a_next;
2879                                                 continue;
2880                                         }
2881                                         /* Skip contextCSN */
2882                                         if ( is_ctx && old->a_desc ==
2883                                                 slap_schema.si_ad_contextCSN ) {
2884                                                 old = old->a_next;
2885                                                 continue;
2886                                         }
2887
2888                                         if ( old->a_desc != new->a_desc ) {
2889                                                 Modifications *mod;
2890                                                 Attribute *tmp;
2891
2892                                                 /* If it's just been re-added later,
2893                                                  * remember that we've seen it.
2894                                                  */
2895                                                 tmp = attr_find( new, old->a_desc );
2896                                                 if ( tmp ) {
2897                                                         tmp->a_flags |= SLAP_ATTR_IXADD;
2898                                                 } else {
2899                                                         /* If it's a new attribute, pull it in.
2900                                                          */
2901                                                         tmp = attr_find( old, new->a_desc );
2902                                                         if ( !tmp ) {
2903                                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2904                                                                 new = new->a_next;
2905                                                                 continue;
2906                                                         }
2907                                                         /* Delete old attr */
2908                                                         mod = ch_malloc( sizeof( Modifications ) );
2909                                                         mod->sml_op = LDAP_MOD_DELETE;
2910                                                         mod->sml_flags = 0;
2911                                                         mod->sml_desc = old->a_desc;
2912                                                         mod->sml_type = mod->sml_desc->ad_cname;
2913                                                         mod->sml_values = NULL;
2914                                                         mod->sml_nvalues = NULL;
2915                                                         *modtail = mod;
2916                                                         modtail = &mod->sml_next;
2917                                                 }
2918                                                 old = old->a_next;
2919                                                 continue;
2920                                         }
2921                                         /* kludge - always update modifiersName so that it
2922                                          * stays co-located with the other mod opattrs. But only
2923                                          * if we know there are other valid mods.
2924                                          */
2925                                         if ( old->a_desc == slap_schema.si_ad_modifiersName &&
2926                                                 dni->mods )
2927                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2928                                         else
2929                                                 attr_cmp( op, old, new, &modtail, &ml );
2930                                         new = new->a_next;
2931                                         old = old->a_next;
2932                                 }
2933                                 *modtail = *ml;
2934                                 *ml = NULL;
2935                         }
2936                 }
2937         } else if ( rs->sr_type == REP_RESULT ) {
2938                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
2939                         Debug( LDAP_DEBUG_ANY,
2940                                 "dn_callback : consistency error - "
2941                                 "entryUUID is not unique\n", 0, 0, 0 );
2942                 }
2943         }
2944
2945         return LDAP_SUCCESS;
2946 }
2947
2948 static int
2949 nonpresent_callback(
2950         Operation*      op,
2951         SlapReply*      rs )
2952 {
2953         syncinfo_t *si = op->o_callback->sc_private;
2954         Attribute *a;
2955         int count = 0;
2956         struct berval* present_uuid = NULL;
2957         struct nonpresent_entry *np_entry;
2958
2959         if ( rs->sr_type == REP_RESULT ) {
2960                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
2961                 si->si_presentlist = NULL;
2962
2963         } else if ( rs->sr_type == REP_SEARCH ) {
2964                 if ( !( si->si_refreshDelete & NP_DELETE_ONE ) ) {
2965                         char buf[sizeof("rid=000 not")];
2966
2967                         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
2968
2969                         if ( a ) {
2970                                 present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
2971                                         syncuuid_cmp );
2972                         }
2973
2974                         if ( slap_debug & LDAP_DEBUG_SYNC ) {
2975                                 sprintf( buf, "%s %s", si->si_ridtxt,
2976                                         present_uuid ? "got" : "not" );
2977                         }
2978
2979                         Debug( LDAP_DEBUG_SYNC, "nonpresent_callback: %s UUID %s, dn %s\n",
2980                                 buf, a ? a->a_vals[0].bv_val : "<missing>", rs->sr_entry->e_name.bv_val );
2981
2982                         if ( a == NULL ) return 0;
2983                 }
2984
2985                 if ( present_uuid == NULL ) {
2986                         np_entry = (struct nonpresent_entry *)
2987                                 ch_calloc( 1, sizeof( struct nonpresent_entry ) );
2988                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
2989                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
2990                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
2991
2992                 } else {
2993                         avl_delete( &si->si_presentlist,
2994                                         &a->a_nvals[0], syncuuid_cmp );
2995                         ch_free( present_uuid->bv_val );
2996                         ch_free( present_uuid );
2997                 }
2998         }
2999         return LDAP_SUCCESS;
3000 }
3001
3002 static int
3003 null_callback(
3004         Operation*      op,
3005         SlapReply*      rs )
3006 {
3007         if ( rs->sr_err != LDAP_SUCCESS &&
3008                 rs->sr_err != LDAP_REFERRAL &&
3009                 rs->sr_err != LDAP_ALREADY_EXISTS &&
3010                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
3011                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
3012         {
3013                 Debug( LDAP_DEBUG_ANY,
3014                         "null_callback : error code 0x%x\n",
3015                         rs->sr_err, 0, 0 );
3016         }
3017         return LDAP_SUCCESS;
3018 }
3019
3020 static struct berval *
3021 slap_uuidstr_from_normalized(
3022         struct berval* uuidstr,
3023         struct berval* normalized,
3024         void *ctx )
3025 {
3026         struct berval *new;
3027         unsigned char nibble;
3028         int i, d = 0;
3029
3030         if ( normalized == NULL ) return NULL;
3031         if ( normalized->bv_len != 16 ) return NULL;
3032
3033         if ( uuidstr ) {
3034                 new = uuidstr;
3035         } else {
3036                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3037                 if ( new == NULL ) {
3038                         return NULL;
3039                 }
3040         }
3041
3042         new->bv_len = 36;
3043
3044         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3045                 if ( new != uuidstr ) {
3046                         slap_sl_free( new, ctx );
3047                 }
3048                 return NULL;
3049         }
3050
3051         for ( i = 0; i < 16; i++ ) {
3052                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
3053                         new->bv_val[(i<<1)+d] = '-';
3054                         d += 1;
3055                 }
3056
3057                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
3058                 if ( nibble < 10 ) {
3059                         new->bv_val[(i<<1)+d] = nibble + '0';
3060                 } else {
3061                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
3062                 }
3063
3064                 nibble = (normalized->bv_val[i]) & 0xF;
3065                 if ( nibble < 10 ) {
3066                         new->bv_val[(i<<1)+d+1] = nibble + '0';
3067                 } else {
3068                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
3069                 }
3070         }
3071
3072         new->bv_val[new->bv_len] = '\0';
3073         return new;
3074 }
3075
3076 static int
3077 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
3078 {
3079         const struct berval *uuid1 = v_uuid1;
3080         const struct berval *uuid2 = v_uuid2;
3081         int rc = uuid1->bv_len - uuid2->bv_len;
3082         if ( rc ) return rc;
3083         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
3084 }
3085
3086 static void
3087 avl_ber_bvfree( void *v_bv )
3088 {
3089         struct berval   *bv = (struct berval *)v_bv;
3090
3091         if( v_bv == NULL ) return;
3092         if ( !BER_BVISNULL( bv ) ) {
3093                 ch_free( bv->bv_val );
3094         }
3095         ch_free( (char *) bv );
3096 }
3097
3098 void
3099 syncinfo_free( syncinfo_t *sie, int free_all )
3100 {
3101         syncinfo_t *si_next;
3102
3103         if ( free_all && sie->si_cookieState ) {
3104                 ch_free( sie->si_cookieState->cs_sids );
3105                 ber_bvarray_free( sie->si_cookieState->cs_vals );
3106                 ldap_pvt_thread_mutex_destroy( &sie->si_cookieState->cs_mutex );
3107                 ch_free( sie->si_cookieState );
3108         }
3109         do {
3110                 si_next = sie->si_next;
3111
3112                 if ( sie->si_ld ) {
3113                         if ( sie->si_conn_setup ) {
3114                                 ber_socket_t s;
3115                                 ldap_get_option( sie->si_ld, LDAP_OPT_DESC, &s );
3116                                 connection_client_stop( s );
3117                                 sie->si_conn_setup = 0;
3118                         }
3119                         ldap_unbind_ext( sie->si_ld, NULL, NULL );
3120                 }
3121
3122                 /* re-fetch it, in case it was already removed */
3123                 sie->si_re = ldap_pvt_runqueue_find( &slapd_rq, do_syncrepl, sie );
3124                 if ( sie->si_re ) {
3125                         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, sie->si_re ) )
3126                                 ldap_pvt_runqueue_stoptask( &slapd_rq, sie->si_re );
3127                         ldap_pvt_runqueue_remove( &slapd_rq, sie->si_re );
3128                 }
3129
3130                 ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
3131
3132                 bindconf_free( &sie->si_bindconf );
3133
3134                 if ( sie->si_filterstr.bv_val ) {
3135                         ch_free( sie->si_filterstr.bv_val );
3136                 }
3137                 if ( sie->si_logfilterstr.bv_val ) {
3138                         ch_free( sie->si_logfilterstr.bv_val );
3139                 }
3140                 if ( sie->si_base.bv_val ) {
3141                         ch_free( sie->si_base.bv_val );
3142                 }
3143                 if ( sie->si_logbase.bv_val ) {
3144                         ch_free( sie->si_logbase.bv_val );
3145                 }
3146                 if ( sie->si_attrs ) {
3147                         int i = 0;
3148                         while ( sie->si_attrs[i] != NULL ) {
3149                                 ch_free( sie->si_attrs[i] );
3150                                 i++;
3151                         }
3152                         ch_free( sie->si_attrs );
3153                 }
3154                 if ( sie->si_exattrs ) {
3155                         int i = 0;
3156                         while ( sie->si_exattrs[i] != NULL ) {
3157                                 ch_free( sie->si_exattrs[i] );
3158                                 i++;
3159                         }
3160                         ch_free( sie->si_exattrs );
3161                 }
3162                 if ( sie->si_anlist ) {
3163                         int i = 0;
3164                         while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
3165                                 ch_free( sie->si_anlist[i].an_name.bv_val );
3166                                 i++;
3167                         }
3168                         ch_free( sie->si_anlist );
3169                 }
3170                 if ( sie->si_exanlist ) {
3171                         int i = 0;
3172                         while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
3173                                 ch_free( sie->si_exanlist[i].an_name.bv_val );
3174                                 i++;
3175                         }
3176                         ch_free( sie->si_exanlist );
3177                 }
3178                 if ( sie->si_retryinterval ) {
3179                         ch_free( sie->si_retryinterval );
3180                 }
3181                 if ( sie->si_retrynum ) {
3182                         ch_free( sie->si_retrynum );
3183                 }
3184                 if ( sie->si_retrynum_init ) {
3185                         ch_free( sie->si_retrynum_init );
3186                 }
3187                 slap_sync_cookie_free( &sie->si_syncCookie, 0 );
3188                 if ( sie->si_presentlist ) {
3189                     avl_free( sie->si_presentlist, avl_ber_bvfree );
3190                 }
3191                 while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist ) ) {
3192                         struct nonpresent_entry* npe;
3193                         npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
3194                         LDAP_LIST_REMOVE( npe, npe_link );
3195                         if ( npe->npe_name ) {
3196                                 if ( npe->npe_name->bv_val ) {
3197                                         ch_free( npe->npe_name->bv_val );
3198                                 }
3199                                 ch_free( npe->npe_name );
3200                         }
3201                         if ( npe->npe_nname ) {
3202                                 if ( npe->npe_nname->bv_val ) {
3203                                         ch_free( npe->npe_nname->bv_val );
3204                                 }
3205                                 ch_free( npe->npe_nname );
3206                         }
3207                         ch_free( npe );
3208                 }
3209                 ch_free( sie );
3210                 sie = si_next;
3211         } while ( free_all && si_next );
3212 }
3213
3214
3215
3216 /* NOTE: used & documented in slapd.conf(5) */
3217 #define IDSTR                   "rid"
3218 #define PROVIDERSTR             "provider"
3219 #define SCHEMASTR               "schemachecking"
3220 #define FILTERSTR               "filter"
3221 #define SEARCHBASESTR           "searchbase"
3222 #define SCOPESTR                "scope"
3223 #define ATTRSONLYSTR            "attrsonly"
3224 #define ATTRSSTR                "attrs"
3225 #define TYPESTR                 "type"
3226 #define INTERVALSTR             "interval"
3227 #define RETRYSTR                "retry"
3228 #define SLIMITSTR               "sizelimit"
3229 #define TLIMITSTR               "timelimit"
3230 #define SYNCDATASTR             "syncdata"
3231 #define LOGBASESTR              "logbase"
3232 #define LOGFILTERSTR    "logfilter"
3233
3234 /* FIXME: undocumented */
3235 #define EXATTRSSTR              "exattrs"
3236 #define MANAGEDSAITSTR          "manageDSAit"
3237
3238 /* mandatory */
3239 #define GOT_ID                  0x0001
3240 #define GOT_PROVIDER    0x0002
3241 #define GOT_BASE                0x0004
3242
3243 /* check */
3244 #define GOT_ALL                 (GOT_ID|GOT_PROVIDER|GOT_BASE)
3245
3246 static struct {
3247         struct berval key;
3248         int val;
3249 } scopes[] = {
3250         { BER_BVC("base"), LDAP_SCOPE_BASE },
3251         { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
3252         { BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL },   /* OpenLDAP extension */
3253         { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
3254         { BER_BVC("subord"), LDAP_SCOPE_SUBORDINATE },
3255         { BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
3256         { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
3257         { BER_BVC("subtree"), LDAP_SCOPE_SUBTREE },     /* OpenLDAP extension */
3258         { BER_BVNULL, 0 }
3259 };
3260
3261 static slap_verbmasks datamodes[] = {
3262         { BER_BVC("default"), SYNCDATA_DEFAULT },
3263         { BER_BVC("accesslog"), SYNCDATA_ACCESSLOG },
3264         { BER_BVC("changelog"), SYNCDATA_CHANGELOG },
3265         { BER_BVNULL, 0 }
3266 };
3267
3268 static int
3269 parse_syncrepl_line(
3270         ConfigArgs      *c,
3271         syncinfo_t      *si )
3272 {
3273         int     gots = 0;
3274         int     i;
3275         char    *val;
3276
3277         for ( i = 1; i < c->argc; i++ ) {
3278                 if ( !strncasecmp( c->argv[ i ], IDSTR "=",
3279                                         STRLENOF( IDSTR "=" ) ) )
3280                 {
3281                         int tmp;
3282                         /* '\0' string terminator accounts for '=' */
3283                         val = c->argv[ i ] + STRLENOF( IDSTR "=" );
3284                         if ( lutil_atoi( &tmp, val ) != 0 ) {
3285                                 snprintf( c->msg, sizeof( c->msg ),
3286                                         "Error: parse_syncrepl_line: "
3287                                         "unable to parse syncrepl id \"%s\"", val );
3288                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3289                                 return -1;
3290                         }
3291                         if ( tmp >= 1000 || tmp < 0 ) {
3292                                 snprintf( c->msg, sizeof( c->msg ),
3293                                         "Error: parse_syncrepl_line: "
3294                                         "syncrepl id %d is out of range [0..999]", tmp );
3295                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3296                                 return -1;
3297                         }
3298                         si->si_rid = tmp;
3299                         sprintf( si->si_ridtxt, IDSTR "=%03d", si->si_rid );
3300                         gots |= GOT_ID;
3301                 } else if ( !strncasecmp( c->argv[ i ], PROVIDERSTR "=",
3302                                         STRLENOF( PROVIDERSTR "=" ) ) )
3303                 {
3304                         val = c->argv[ i ] + STRLENOF( PROVIDERSTR "=" );
3305                         ber_str2bv( val, 0, 1, &si->si_bindconf.sb_uri );
3306                         gots |= GOT_PROVIDER;
3307                 } else if ( !strncasecmp( c->argv[ i ], SCHEMASTR "=",
3308                                         STRLENOF( SCHEMASTR "=" ) ) )
3309                 {
3310                         val = c->argv[ i ] + STRLENOF( SCHEMASTR "=" );
3311                         if ( !strncasecmp( val, "on", STRLENOF( "on" ) ) ) {
3312                                 si->si_schemachecking = 1;
3313                         } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
3314                                 si->si_schemachecking = 0;
3315                         } else {
3316                                 si->si_schemachecking = 1;
3317                         }
3318                 } else if ( !strncasecmp( c->argv[ i ], FILTERSTR "=",
3319                                         STRLENOF( FILTERSTR "=" ) ) )
3320                 {
3321                         val = c->argv[ i ] + STRLENOF( FILTERSTR "=" );
3322                         if ( si->si_filterstr.bv_val )
3323                                 ch_free( si->si_filterstr.bv_val );
3324                         ber_str2bv( val, 0, 1, &si->si_filterstr );
3325                 } else if ( !strncasecmp( c->argv[ i ], LOGFILTERSTR "=",
3326                                         STRLENOF( LOGFILTERSTR "=" ) ) )
3327                 {
3328                         val = c->argv[ i ] + STRLENOF( LOGFILTERSTR "=" );
3329                         if ( si->si_logfilterstr.bv_val )
3330                                 ch_free( si->si_logfilterstr.bv_val );
3331                         ber_str2bv( val, 0, 1, &si->si_logfilterstr );
3332                 } else if ( !strncasecmp( c->argv[ i ], SEARCHBASESTR "=",
3333                                         STRLENOF( SEARCHBASESTR "=" ) ) )
3334                 {
3335                         struct berval   bv;
3336                         int             rc;
3337
3338                         val = c->argv[ i ] + STRLENOF( SEARCHBASESTR "=" );
3339                         if ( si->si_base.bv_val ) {
3340                                 ch_free( si->si_base.bv_val );
3341                         }
3342                         ber_str2bv( val, 0, 0, &bv );
3343                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
3344                         if ( rc != LDAP_SUCCESS ) {
3345                                 snprintf( c->msg, sizeof( c->msg ),
3346                                         "Invalid base DN \"%s\": %d (%s)",
3347                                         val, rc, ldap_err2string( rc ) );
3348                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3349                                 return -1;
3350                         }
3351                         gots |= GOT_BASE;
3352                 } else if ( !strncasecmp( c->argv[ i ], LOGBASESTR "=",
3353                                         STRLENOF( LOGBASESTR "=" ) ) )
3354                 {
3355                         struct berval   bv;
3356                         int             rc;
3357
3358                         val = c->argv[ i ] + STRLENOF( LOGBASESTR "=" );
3359                         if ( si->si_logbase.bv_val ) {
3360                                 ch_free( si->si_logbase.bv_val );
3361                         }
3362                         ber_str2bv( val, 0, 0, &bv );
3363                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_logbase, NULL );
3364                         if ( rc != LDAP_SUCCESS ) {
3365                                 snprintf( c->msg, sizeof( c->msg ),
3366                                         "Invalid logbase DN \"%s\": %d (%s)",
3367                                         val, rc, ldap_err2string( rc ) );
3368                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3369                                 return -1;
3370                         }
3371                 } else if ( !strncasecmp( c->argv[ i ], SCOPESTR "=",
3372                                         STRLENOF( SCOPESTR "=" ) ) )
3373                 {
3374                         int j;
3375                         val = c->argv[ i ] + STRLENOF( SCOPESTR "=" );
3376                         for ( j = 0; !BER_BVISNULL(&scopes[j].key); j++ ) {
3377                                 if (!strcasecmp( val, scopes[j].key.bv_val ) ) {
3378                                         si->si_scope = scopes[j].val;
3379                                         break;
3380                                 }
3381                         }
3382                         if ( BER_BVISNULL(&scopes[j].key) ) {
3383                                 snprintf( c->msg, sizeof( c->msg ),
3384                                         "Error: parse_syncrepl_line: "
3385                                         "unknown scope \"%s\"", val);
3386                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3387                                 return -1;
3388                         }
3389                 } else if ( !strncasecmp( c->argv[ i ], ATTRSONLYSTR,
3390                                         STRLENOF( ATTRSONLYSTR ) ) )
3391                 {
3392                         si->si_attrsonly = 1;
3393                 } else if ( !strncasecmp( c->argv[ i ], ATTRSSTR "=",
3394                                         STRLENOF( ATTRSSTR "=" ) ) )
3395                 {
3396                         val = c->argv[ i ] + STRLENOF( ATTRSSTR "=" );
3397                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3398                                 char *attr_fname;
3399                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3400                                 si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
3401                                 if ( si->si_anlist == NULL ) {
3402                                         ch_free( attr_fname );
3403                                         return -1;
3404                                 }
3405                                 si->si_anfile = attr_fname;
3406                         } else {
3407                                 char *str, *s, *next;
3408                                 char delimstr[] = " ,\t";
3409                                 str = ch_strdup( val );
3410                                 for ( s = ldap_pvt_strtok( str, delimstr, &next );
3411                                                 s != NULL;
3412                                                 s = ldap_pvt_strtok( NULL, delimstr, &next ) )
3413                                 {
3414                                         if ( strlen(s) == 1 && *s == '*' ) {
3415                                                 si->si_allattrs = 1;
3416                                                 val[ s - str ] = delimstr[0];
3417                                         }
3418                                         if ( strlen(s) == 1 && *s == '+' ) {
3419                                                 si->si_allopattrs = 1;
3420                                                 val [ s - str ] = delimstr[0];
3421                                         }
3422                                 }
3423                                 ch_free( str );
3424                                 si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
3425                                 if ( si->si_anlist == NULL ) {
3426                                         return -1;
3427                                 }
3428                         }
3429                 } else if ( !strncasecmp( c->argv[ i ], EXATTRSSTR "=",
3430                                         STRLENOF( EXATTRSSTR "=" ) ) )
3431                 {
3432                         val = c->argv[ i ] + STRLENOF( EXATTRSSTR "=" );
3433                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3434                                 char *attr_fname;
3435                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3436                                 si->si_exanlist = file2anlist(
3437                                         si->si_exanlist, attr_fname, " ,\t" );
3438                                 if ( si->si_exanlist == NULL ) {
3439                                         ch_free( attr_fname );
3440                                         return -1;
3441                                 }
3442                                 ch_free( attr_fname );
3443                         } else {
3444                                 si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
3445                                 if ( si->si_exanlist == NULL ) {
3446                                         return -1;
3447                                 }
3448                         }
3449                 } else if ( !strncasecmp( c->argv[ i ], TYPESTR "=",
3450                                         STRLENOF( TYPESTR "=" ) ) )
3451                 {
3452                         val = c->argv[ i ] + STRLENOF( TYPESTR "=" );
3453                         if ( !strncasecmp( val, "refreshOnly",
3454                                                 STRLENOF("refreshOnly") ) )
3455                         {
3456                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3457                         } else if ( !strncasecmp( val, "refreshAndPersist",
3458                                                 STRLENOF("refreshAndPersist") ) )
3459                         {
3460                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_AND_PERSIST;
3461                                 si->si_interval = 60;
3462                         } else {
3463                                 snprintf( c->msg, sizeof( c->msg ),
3464                                         "Error: parse_syncrepl_line: "
3465                                         "unknown sync type \"%s\"", val);
3466                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3467                                 return -1;
3468                         }
3469                 } else if ( !strncasecmp( c->argv[ i ], INTERVALSTR "=",
3470                                         STRLENOF( INTERVALSTR "=" ) ) )
3471                 {
3472                         val = c->argv[ i ] + STRLENOF( INTERVALSTR "=" );
3473                         if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
3474                                 si->si_interval = 0;
3475                         } else if ( strchr( val, ':' ) != NULL ) {
3476                                 char *next, *ptr = val;
3477                                 unsigned dd, hh, mm, ss;
3478
3479                                 /* NOTE: the test for ptr[ 0 ] == '-'
3480                                  * should go before the call to strtoul() */
3481                                 dd = strtoul( ptr, &next, 10 );
3482                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' ) {
3483                                         snprintf( c->msg, sizeof( c->msg ),
3484                                                 "Error: parse_syncrepl_line: "
3485                                                 "invalid interval \"%s\", unable to parse days", val );
3486                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3487                                         return -1;
3488                                 }
3489                                 ptr = next + 1;
3490                                 hh = strtoul( ptr, &next, 10 );
3491                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || hh > 24 ) {
3492                                         snprintf( c->msg, sizeof( c->msg ),
3493                                                 "Error: parse_syncrepl_line: "
3494                                                 "invalid interval \"%s\", unable to parse hours", val );
3495                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3496                                         return -1;
3497                                 }
3498                                 ptr = next + 1;
3499                                 mm = strtoul( ptr, &next, 10 );
3500                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || mm > 60 ) {
3501                                         snprintf( c->msg, sizeof( c->msg ),
3502                                                 "Error: parse_syncrepl_line: "
3503                                                 "invalid interval \"%s\", unable to parse minutes", val );
3504                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3505                                         return -1;
3506                                 }
3507                                 ptr = next + 1;
3508                                 ss = strtoul( ptr, &next, 10 );
3509                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != '\0' || ss > 60 ) {
3510                                         snprintf( c->msg, sizeof( c->msg ),
3511                                                 "Error: parse_syncrepl_line: "
3512                                                 "invalid interval \"%s\", unable to parse seconds", val );
3513                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3514                                         return -1;
3515                                 }
3516                                 si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
3517                         } else {
3518                                 unsigned long   t;
3519
3520                                 if ( lutil_parse_time( val, &t ) != 0 ) {
3521                                         snprintf( c->msg, sizeof( c->msg ),
3522                                                 "Error: parse_syncrepl_line: "
3523                                                 "invalid interval \"%s\"", val );
3524                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3525                                         return -1;
3526                                 }
3527                                 si->si_interval = (time_t)t;
3528                         }
3529                         if ( si->si_interval < 0 ) {
3530                                 snprintf( c->msg, sizeof( c->msg ),
3531                                         "Error: parse_syncrepl_line: "
3532                                         "invalid interval \"%ld\"",
3533                                         (long) si->si_interval);
3534                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3535                                 return -1;
3536                         }
3537                 } else if ( !strncasecmp( c->argv[ i ], RETRYSTR "=",
3538                                         STRLENOF( RETRYSTR "=" ) ) )
3539                 {
3540                         char **retry_list;
3541                         int j, k, n;
3542
3543                         val = c->argv[ i ] + STRLENOF( RETRYSTR "=" );
3544                         retry_list = (char **) ch_calloc( 1, sizeof( char * ) );
3545                         retry_list[0] = NULL;
3546
3547                         slap_str2clist( &retry_list, val, " ,\t" );
3548
3549                         for ( k = 0; retry_list && retry_list[k]; k++ ) ;
3550                         n = k / 2;
3551                         if ( k % 2 ) {
3552                                 snprintf( c->msg, sizeof( c->msg ),
3553                                         "Error: incomplete syncrepl retry list" );
3554                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3555                                 for ( k = 0; retry_list && retry_list[k]; k++ ) {
3556                                         ch_free( retry_list[k] );
3557                                 }
3558                                 ch_free( retry_list );
3559                                 return 1;
3560                         }
3561                         si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ) );
3562                         si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ) );
3563                         si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ) );
3564                         for ( j = 0; j < n; j++ ) {
3565                                 unsigned long   t;
3566                                 if ( lutil_atoul( &t, retry_list[j*2] ) != 0 ) {
3567                                         snprintf( c->msg, sizeof( c->msg ),
3568                                                 "Error: invalid retry interval \"%s\" (#%d)",
3569                                                 retry_list[j*2], j );
3570                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3571                                         /* do some cleanup */
3572                                         return 1;
3573                                 }
3574                                 si->si_retryinterval[j] = (time_t)t;
3575                                 if ( *retry_list[j*2+1] == '+' ) {
3576                                         si->si_retrynum_init[j] = RETRYNUM_FOREVER;
3577                                         si->si_retrynum[j] = RETRYNUM_FOREVER;
3578                                         j++;
3579                                         break;
3580                                 } else {
3581                                         if ( lutil_atoi( &si->si_retrynum_init[j], retry_list[j*2+1] ) != 0
3582                                                         || si->si_retrynum_init[j] <= 0 )
3583                                         {
3584                                                 snprintf( c->msg, sizeof( c->msg ),
3585                                                         "Error: invalid initial retry number \"%s\" (#%d)",
3586                                                         retry_list[j*2+1], j );
3587                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3588                                                 /* do some cleanup */
3589                                                 return 1;
3590                                         }
3591                                         if ( lutil_atoi( &si->si_retrynum[j], retry_list[j*2+1] ) != 0
3592                                                         || si->si_retrynum[j] <= 0 )
3593                                         {
3594                                                 snprintf( c->msg, sizeof( c->msg ),
3595                                                         "Error: invalid retry number \"%s\" (#%d)",
3596                                                         retry_list[j*2+1], j );
3597                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3598                                                 /* do some cleanup */
3599                                                 return 1;
3600                                         }
3601                                 }
3602                         }
3603                         si->si_retrynum_init[j] = RETRYNUM_TAIL;
3604                         si->si_retrynum[j] = RETRYNUM_TAIL;
3605                         si->si_retryinterval[j] = 0;
3606
3607                         for ( k = 0; retry_list && retry_list[k]; k++ ) {
3608                                 ch_free( retry_list[k] );
3609                         }
3610                         ch_free( retry_list );
3611                 } else if ( !strncasecmp( c->argv[ i ], MANAGEDSAITSTR "=",
3612                                         STRLENOF( MANAGEDSAITSTR "=" ) ) )
3613                 {
3614                         val = c->argv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
3615                         if ( lutil_atoi( &si->si_manageDSAit, val ) != 0
3616                                 || si->si_manageDSAit < 0 || si->si_manageDSAit > 1 )
3617                         {
3618                                 snprintf( c->msg, sizeof( c->msg ),
3619                                         "invalid manageDSAit value \"%s\".\n",
3620                                         val );
3621                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3622                                 return 1;
3623                         }
3624                 } else if ( !strncasecmp( c->argv[ i ], SLIMITSTR "=",
3625                                         STRLENOF( SLIMITSTR "=") ) )
3626                 {
3627                         val = c->argv[ i ] + STRLENOF( SLIMITSTR "=" );
3628                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3629                                 si->si_slimit = 0;
3630
3631                         } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || si->si_slimit < 0 ) {
3632                                 snprintf( c->msg, sizeof( c->msg ),
3633                                         "invalid size limit value \"%s\".\n",
3634                                         val );
3635                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3636                                 return 1;
3637                         }
3638                 } else if ( !strncasecmp( c->argv[ i ], TLIMITSTR "=",
3639                                         STRLENOF( TLIMITSTR "=" ) ) )
3640                 {
3641                         val = c->argv[ i ] + STRLENOF( TLIMITSTR "=" );
3642                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3643                                 si->si_tlimit = 0;
3644
3645                         } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || si->si_tlimit < 0 ) {
3646                                 snprintf( c->msg, sizeof( c->msg ),
3647                                         "invalid time limit value \"%s\".\n",
3648                                         val );
3649                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3650                                 return 1;
3651                         }
3652                 } else if ( !strncasecmp( c->argv[ i ], SYNCDATASTR "=",
3653                                         STRLENOF( SYNCDATASTR "=" ) ) )
3654                 {
3655                         val = c->argv[ i ] + STRLENOF( SYNCDATASTR "=" );
3656                         si->si_syncdata = verb_to_mask( val, datamodes );
3657                 } else if ( bindconf_parse( c->argv[i], &si->si_bindconf ) ) {
3658                         snprintf( c->msg, sizeof( c->msg ),
3659                                 "Error: parse_syncrepl_line: "
3660                                 "unable to parse \"%s\"\n", c->argv[ i ] );
3661                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3662                         return -1;
3663                 }
3664         }
3665
3666         if ( gots != GOT_ALL ) {
3667                 snprintf( c->msg, sizeof( c->msg ),
3668                         "Error: Malformed \"syncrepl\" line in slapd config file, missing%s%s%s",
3669                         gots & GOT_ID ? "" : " "IDSTR,
3670                         gots & GOT_PROVIDER ? "" : " "PROVIDERSTR,
3671                         gots & GOT_BASE ? "" : " "SEARCHBASESTR );
3672                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3673                 return -1;
3674         }
3675
3676         return 0;
3677 }
3678
3679 static int
3680 add_syncrepl(
3681         ConfigArgs *c )
3682 {
3683         syncinfo_t *si;
3684         int     rc = 0;
3685
3686         if ( !( c->be->be_search && c->be->be_add && c->be->be_modify && c->be->be_delete ) ) {
3687                 snprintf( c->msg, sizeof(c->msg), "database %s does not support "
3688                         "operations required for syncrepl", c->be->be_type );
3689                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->msg, 0 );
3690                 return 1;
3691         }
3692         if ( BER_BVISEMPTY( &c->be->be_rootdn ) ) {
3693                 strcpy( c->msg, "rootDN must be defined before syncrepl may be used" );
3694                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->msg, 0 );
3695                 return 1;
3696         }
3697         si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
3698
3699         if ( si == NULL ) {
3700                 Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
3701                 return 1;
3702         }
3703
3704         si->si_bindconf.sb_tls = SB_TLS_OFF;
3705         si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
3706         si->si_schemachecking = 0;
3707         ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
3708                 &si->si_filterstr );
3709         si->si_base.bv_val = NULL;
3710         si->si_scope = LDAP_SCOPE_SUBTREE;
3711         si->si_attrsonly = 0;
3712         si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
3713         si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
3714         si->si_attrs = NULL;
3715         si->si_allattrs = 0;
3716         si->si_allopattrs = 0;
3717         si->si_exattrs = NULL;
3718         si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3719         si->si_interval = 86400;
3720         si->si_retryinterval = NULL;
3721         si->si_retrynum_init = NULL;
3722         si->si_retrynum = NULL;
3723         si->si_manageDSAit = 0;
3724         si->si_tlimit = 0;
3725         si->si_slimit = 0;
3726         si->si_conn_setup = 0;
3727
3728         si->si_presentlist = NULL;
3729         LDAP_LIST_INIT( &si->si_nonpresentlist );
3730         ldap_pvt_thread_mutex_init( &si->si_mutex );
3731
3732         rc = parse_syncrepl_line( c, si );
3733
3734         if ( rc == 0 ) {
3735                 /* Must be LDAPv3 because we need controls */
3736                 switch ( si->si_bindconf.sb_version ) {
3737                 case 0:
3738                         /* not explicitly set */
3739                         si->si_bindconf.sb_version = LDAP_VERSION3;
3740                         break;
3741                 case 3:
3742                         /* explicitly set */
3743                         break;
3744                 default:
3745                         Debug( LDAP_DEBUG_ANY,
3746                                 "version %d incompatible with syncrepl\n",
3747                                 si->si_bindconf.sb_version, 0, 0 );
3748                         syncinfo_free( si, 0 );
3749                         return 1;
3750                 }
3751
3752                 si->si_be = c->be;
3753                 if ( slapMode & SLAP_SERVER_MODE ) {
3754                         Listener **l = slapd_get_listeners();
3755                         int isMe = 0;
3756
3757                         /* check if URL points to current server. If so, ignore
3758                          * this configuration. We require an exact match. Just
3759                          * in case they really want to do this, they can vary
3760                          * the case of the URL to allow it.
3761                          */
3762                         if ( l && !SLAP_DBHIDDEN( c->be ) ) {
3763                                 int i;
3764                                 for ( i=0; l[i]; i++ ) {
3765                                         if ( bvmatch( &l[i]->sl_url, &si->si_bindconf.sb_uri ) ) {
3766                                                 isMe = 1;
3767                                                 break;
3768                                         }
3769                                 }
3770                         }
3771
3772                         if ( !isMe ) {
3773                                 init_syncrepl( si );
3774                                 si->si_re = ldap_pvt_runqueue_insert( &slapd_rq,
3775                                         si->si_interval, do_syncrepl, si, "do_syncrepl",
3776                                         si->si_ridtxt );
3777                                 if ( si->si_re )
3778                                         rc = config_sync_shadow( c ) ? -1 : 0;
3779                                 else
3780                                         rc = -1;
3781                         }
3782                 }
3783         }
3784
3785 #ifdef HAVE_TLS
3786         /* Use main slapd defaults */
3787         bindconf_tls_defaults( &si->si_bindconf );
3788 #endif
3789         if ( rc < 0 ) {
3790                 Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
3791                 syncinfo_free( si, 0 );
3792                 return 1;
3793         } else {
3794                 Debug( LDAP_DEBUG_CONFIG,
3795                         "Config: ** successfully added syncrepl \"%s\"\n",
3796                         BER_BVISNULL( &si->si_bindconf.sb_uri ) ?
3797                         "(null)" : si->si_bindconf.sb_uri.bv_val, 0, 0 );
3798                 if ( !si->si_schemachecking ) {
3799                         SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
3800                 }
3801                 if ( c->be->be_syncinfo ) {
3802                         si->si_cookieState = c->be->be_syncinfo->si_cookieState;
3803                 } else {
3804                         si->si_cookieState = ch_calloc( 1, sizeof( cookie_state ));
3805                         ldap_pvt_thread_mutex_init( &si->si_cookieState->cs_mutex );
3806                 }
3807                 si->si_next = c->be->be_syncinfo;
3808                 c->be->be_syncinfo = si;
3809                 return 0;
3810         }
3811 }
3812
3813 static void
3814 syncrepl_unparse( syncinfo_t *si, struct berval *bv )
3815 {
3816         struct berval bc, uri;
3817         char buf[BUFSIZ*2], *ptr;
3818         int i;
3819
3820 #define WHATSLEFT       ( sizeof( buf ) - ( ptr - buf ) )
3821
3822         BER_BVZERO( bv );
3823
3824         /* temporarily inhibit bindconf from printing URI */
3825         uri = si->si_bindconf.sb_uri;
3826         BER_BVZERO( &si->si_bindconf.sb_uri );
3827         si->si_bindconf.sb_version = 0;
3828         bindconf_unparse( &si->si_bindconf, &bc );
3829         si->si_bindconf.sb_uri = uri;
3830         si->si_bindconf.sb_version = LDAP_VERSION3;
3831
3832         ptr = buf;
3833         ptr += snprintf( ptr, WHATSLEFT, IDSTR "=%03d " PROVIDERSTR "=%s",
3834                 si->si_rid, si->si_bindconf.sb_uri.bv_val );
3835         if ( ptr - buf >= sizeof( buf ) ) return;
3836         if ( !BER_BVISNULL( &bc ) ) {
3837                 if ( WHATSLEFT <= bc.bv_len ) {
3838                         free( bc.bv_val );
3839                         return;
3840                 }
3841                 ptr = lutil_strcopy( ptr, bc.bv_val );
3842                 free( bc.bv_val );
3843         }
3844         if ( !BER_BVISEMPTY( &si->si_filterstr ) ) {
3845                 if ( WHATSLEFT <= STRLENOF( " " FILTERSTR "=\"" "\"" ) + si->si_filterstr.bv_len ) return;
3846                 ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
3847                 ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
3848                 *ptr++ = '"';
3849         }
3850         if ( !BER_BVISNULL( &si->si_base ) ) {
3851                 if ( WHATSLEFT <= STRLENOF( " " SEARCHBASESTR "=\"" "\"" ) + si->si_base.bv_len ) return;
3852                 ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
3853                 ptr = lutil_strcopy( ptr, si->si_base.bv_val );
3854                 *ptr++ = '"';
3855         }
3856         if ( !BER_BVISEMPTY( &si->si_logfilterstr ) ) {
3857                 if ( WHATSLEFT <= STRLENOF( " " LOGFILTERSTR "=\"" "\"" ) + si->si_logfilterstr.bv_len ) return;
3858                 ptr = lutil_strcopy( ptr, " " LOGFILTERSTR "=\"" );
3859                 ptr = lutil_strcopy( ptr, si->si_logfilterstr.bv_val );
3860                 *ptr++ = '"';
3861         }
3862         if ( !BER_BVISNULL( &si->si_logbase ) ) {
3863                 if ( WHATSLEFT <= STRLENOF( " " LOGBASESTR "=\"" "\"" ) + si->si_logbase.bv_len ) return;
3864                 ptr = lutil_strcopy( ptr, " " LOGBASESTR "=\"" );
3865                 ptr = lutil_strcopy( ptr, si->si_logbase.bv_val );
3866                 *ptr++ = '"';
3867         }
3868         for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
3869                 if ( si->si_scope == scopes[i].val ) {
3870                         if ( WHATSLEFT <= STRLENOF( " " SCOPESTR "=" ) + scopes[i].key.bv_len ) return;
3871                         ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
3872                         ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
3873                         break;
3874                 }
3875         }
3876         if ( si->si_attrsonly ) {
3877                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
3878                 ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR );
3879         }
3880         if ( si->si_anfile ) {
3881                 if ( WHATSLEFT <= STRLENOF( " " ATTRSSTR "=\":include:" "\"" ) + strlen( si->si_anfile ) ) return;
3882                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:\"" );
3883                 ptr = lutil_strcopy( ptr, si->si_anfile );
3884                 *ptr++ = '"';
3885         } else if ( si->si_allattrs || si->si_allopattrs ||
3886                 ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) ) )
3887         {
3888                 char *old;
3889
3890                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
3891                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
3892                 old = ptr;
3893                 /* FIXME: add check for overflow */
3894                 ptr = anlist_unparse( si->si_anlist, ptr, WHATSLEFT );
3895                 if ( si->si_allattrs ) {
3896                         if ( WHATSLEFT <= STRLENOF( ",*\"" ) ) return;
3897                         if ( old != ptr ) *ptr++ = ',';
3898                         *ptr++ = '*';
3899                 }
3900                 if ( si->si_allopattrs ) {
3901                         if ( WHATSLEFT <= STRLENOF( ",+\"" ) ) return;
3902                         if ( old != ptr ) *ptr++ = ',';
3903                         *ptr++ = '+';
3904                 }
3905                 *ptr++ = '"';
3906         }
3907         if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
3908                 if ( WHATSLEFT <= STRLENOF( " " EXATTRSSTR "=" ) ) return;
3909                 ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
3910                 /* FIXME: add check for overflow */
3911                 ptr = anlist_unparse( si->si_exanlist, ptr, WHATSLEFT );
3912         }
3913         if ( WHATSLEFT <= STRLENOF( " " SCHEMASTR "=" ) + STRLENOF( "off" ) ) return;
3914         ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
3915         ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
3916
3917         if ( WHATSLEFT <= STRLENOF( " " TYPESTR "=" ) + STRLENOF( "refreshAndPersist" ) ) return;
3918         ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
3919         ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
3920                 "refreshAndPersist" : "refreshOnly" );
3921
3922         if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
3923                 int dd, hh, mm, ss;
3924
3925                 dd = si->si_interval;
3926                 ss = dd % 60;
3927                 dd /= 60;
3928                 mm = dd % 60;
3929                 dd /= 60;
3930                 hh = dd % 24;
3931                 dd /= 24;
3932                 ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
3933                 ptr += snprintf( ptr, WHATSLEFT, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
3934                 if ( ptr - buf >= sizeof( buf ) ) return;
3935         } else if ( si->si_retryinterval ) {
3936                 int space=0;
3937                 if ( WHATSLEFT <= STRLENOF( " " RETRYSTR "=\"" "\"" ) ) return;
3938                 ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
3939                 for (i=0; si->si_retryinterval[i]; i++) {
3940                         if ( space ) *ptr++ = ' ';
3941                         space = 1;
3942                         ptr += snprintf( ptr, WHATSLEFT, "%ld ", (long) si->si_retryinterval[i] );
3943                         if ( si->si_retrynum_init[i] == RETRYNUM_FOREVER )
3944                                 *ptr++ = '+';
3945                         else
3946                                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_retrynum_init[i] );
3947                 }
3948                 if ( WHATSLEFT <= STRLENOF( "\"" ) ) return;
3949                 *ptr++ = '"';
3950         }
3951
3952         if ( si->si_slimit ) {
3953                 if ( WHATSLEFT <= STRLENOF( " " SLIMITSTR "=" ) ) return;
3954                 ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
3955                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_slimit );
3956         }
3957
3958         if ( si->si_tlimit ) {
3959                 if ( WHATSLEFT <= STRLENOF( " " TLIMITSTR "=" ) ) return;
3960                 ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
3961                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_tlimit );
3962         }
3963
3964         if ( si->si_syncdata ) {
3965                 if ( enum_to_verb( datamodes, si->si_syncdata, &bc ) >= 0 ) {
3966                         if ( WHATSLEFT <= STRLENOF( " " SYNCDATASTR "=" ) + bc.bv_len ) return;
3967                         ptr = lutil_strcopy( ptr, " " SYNCDATASTR "=" );
3968                         ptr = lutil_strcopy( ptr, bc.bv_val );
3969                 }
3970         }
3971         bc.bv_len = ptr - buf;
3972         bc.bv_val = buf;
3973         ber_dupbv( bv, &bc );
3974 }
3975
3976 int
3977 syncrepl_config( ConfigArgs *c )
3978 {
3979         if (c->op == SLAP_CONFIG_EMIT) {
3980                 if ( c->be->be_syncinfo ) {
3981                         struct berval bv;
3982                         syncinfo_t *si;
3983
3984                         for ( si = c->be->be_syncinfo; si; si=si->si_next ) {
3985                                 syncrepl_unparse( si, &bv );
3986                                 ber_bvarray_add( &c->rvalue_vals, &bv );
3987                         }
3988                         return 0;
3989                 }
3990                 return 1;
3991         } else if ( c->op == LDAP_MOD_DELETE ) {
3992                 cookie_state *cs = NULL;
3993                 if ( c->be->be_syncinfo ) {
3994                         syncinfo_t *si, **sip;
3995                         int i;
3996
3997                         cs = c->be->be_syncinfo->si_cookieState;
3998                         for ( sip = &c->be->be_syncinfo, i=0; *sip; i++ ) {
3999                                 si = *sip;
4000                                 if ( c->valx == -1 || i == c->valx ) {
4001                                         *sip = si->si_next;
4002                                         /* If the task is currently active, we have to leave
4003                                          * it running. It will exit on its own. This will only
4004                                          * happen when running on the cn=config DB.
4005                                          */
4006                                         if ( si->si_re &&
4007                                                 ldap_pvt_runqueue_isrunning( &slapd_rq, si->si_re ) ) {
4008                                                 si->si_ctype = 0;
4009                                         } else {
4010                                                 syncinfo_free( si, 0 );
4011                                         }
4012                                         if ( i == c->valx )
4013                                                 break;
4014                                 } else {
4015                                         sip = &si->si_next;
4016                                 }
4017                         }
4018                 }
4019                 if ( !c->be->be_syncinfo ) {
4020                         SLAP_DBFLAGS( c->be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
4021                         if ( cs ) {
4022                                 ber_bvarray_free( cs->cs_vals );
4023                                 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
4024                                 ch_free( cs );
4025                         }
4026                 }
4027                 return 0;
4028         }
4029         if ( SLAP_SLURP_SHADOW( c->be ) ) {
4030                 Debug(LDAP_DEBUG_ANY, "%s: "
4031                         "syncrepl: database already shadowed.\n",
4032                         c->log, 0, 0);
4033                 return(1);
4034         } else {
4035                 return add_syncrepl( c );
4036         }
4037 }