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

   1 /* syncrepl.c -- Replication Engine which uses the LDAP Sync protocol */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2007 The OpenLDAP Foundation.
   6  * Portions Copyright 2003 by IBM Corporation.
   7  * Portions Copyright 2003 by Howard Chu, Symas Corporation.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18
  19 #include "portable.h"
  20
  21 #include <stdio.h>
  22
  23 #include <ac/string.h>
  24 #include <ac/socket.h>
  25
  26 #include "lutil.h"
  27 #include "slap.h"
  28 #include "lutil_ldap.h"
  29
  30 #include "config.h"
  31
  32 #include "ldap_rq.h"
  33
  34 struct nonpresent_entry {
  35         struct berval *npe_name;
  36         struct berval *npe_nname;
  37         LDAP_LIST_ENTRY(nonpresent_entry) npe_link;
  38 };
  39
  40 typedef struct cookie_state {
  41         ldap_pvt_thread_mutex_t cs_mutex;
  42         int     cs_num;
  43         int cs_age;
  44         struct berval *cs_vals;
  45         int *cs_sids;
  46 } cookie_state;
  47
  48 #define SYNCDATA_DEFAULT        0       /* entries are plain LDAP entries */
  49 #define SYNCDATA_ACCESSLOG      1       /* entries are accesslog format */
  50 #define SYNCDATA_CHANGELOG      2       /* entries are changelog format */
  51
  52 #define SYNCLOG_LOGGING         0       /* doing a log-based update */
  53 #define SYNCLOG_FALLBACK        1       /* doing a full refresh */
  54
  55 #define RETRYNUM_FOREVER        (-1)    /* retry forever */
  56 #define RETRYNUM_TAIL           (-2)    /* end of retrynum array */
  57 #define RETRYNUM_VALID(n)       ((n) >= RETRYNUM_FOREVER)       /* valid retrynum */
  58 #define RETRYNUM_FINITE(n)      ((n) > RETRYNUM_FOREVER)        /* not forever */
  59
  60 typedef struct syncinfo_s {
  61         struct syncinfo_s       *si_next;
  62         BackendDB               *si_be;
  63         BackendDB               *si_wbe;
  64         struct re_s             *si_re;
  65         int                     si_rid;
  66         char                    si_ridtxt[ STRLENOF("rid=4095") + 1 ];
  67         slap_bindconf           si_bindconf;
  68         struct berval           si_base;
  69         struct berval           si_logbase;
  70         struct berval           si_filterstr;
  71         struct berval           si_logfilterstr;
  72         int                     si_scope;
  73         int                     si_attrsonly;
  74         char                    *si_anfile;
  75         AttributeName           *si_anlist;
  76         AttributeName           *si_exanlist;
  77         char                    **si_attrs;
  78         char                    **si_exattrs;
  79         int                     si_allattrs;
  80         int                     si_allopattrs;
  81         int                     si_schemachecking;
  82         int                     si_type;        /* the active type */
  83         int                     si_ctype;       /* the configured type */
  84         time_t                  si_interval;
  85         time_t                  *si_retryinterval;
  86         int                     *si_retrynum_init;
  87         int                     *si_retrynum;
  88         struct sync_cookie      si_syncCookie;
  89         cookie_state            *si_cookieState;
  90         int                     si_cookieAge;
  91         int                     si_manageDSAit;
  92         int                     si_slimit;
  93         int                     si_tlimit;
  94         int                     si_refreshDelete;
  95         int                     si_refreshPresent;
  96         int                     si_syncdata;
  97         int                     si_logstate;
  98         int                     si_conn_setup;
  99         Avlnode                 *si_presentlist;
 100         LDAP                    *si_ld;
 101         LDAP_LIST_HEAD(np, nonpresent_entry)    si_nonpresentlist;
 102         ldap_pvt_thread_mutex_t si_mutex;
 103 } syncinfo_t;
 104
 105 static int syncuuid_cmp( const void *, const void * );
 106 static void avl_ber_bvfree( void * );
 107 static void syncrepl_del_nonpresent( Operation *, syncinfo_t *, BerVarray, struct berval * );
 108 static int syncrepl_message_to_op(
 109                                         syncinfo_t *, Operation *, LDAPMessage * );
 110 static int syncrepl_message_to_entry(
 111                                         syncinfo_t *, Operation *, LDAPMessage *,
 112                                         Modifications **, Entry **, int );
 113 static int syncrepl_entry(
 114                                         syncinfo_t *, Operation*, Entry*,
 115                                         Modifications**,int, struct berval*,
 116                                         struct berval *cookieCSN );
 117 static int syncrepl_updateCookie(
 118                                         syncinfo_t *, Operation *, struct berval *,
 119                                         struct sync_cookie * );
 120 static struct berval * slap_uuidstr_from_normalized(
 121                                         struct berval *, struct berval *, void * );
 122
 123 /* callback functions */
 124 static int dn_callback( Operation *, SlapReply * );
 125 static int nonpresent_callback( Operation *, SlapReply * );
 126 static int null_callback( Operation *, SlapReply * );
 127
 128 static AttributeDescription *sync_descs[4];
 129
 130 static const char *
 131 syncrepl_state2str( int state )
 132 {
 133         switch ( state ) {
 134         case LDAP_SYNC_PRESENT:
 135                 return "PRESENT";
 136
 137         case LDAP_SYNC_ADD:
 138                 return "ADD";
 139
 140         case LDAP_SYNC_MODIFY:
 141                 return "MODIFY";
 142
 143         case LDAP_SYNC_DELETE:
 144                 return "DELETE";
 145         }
 146
 147         return "UNKNOWN";
 148 }
 149
 150 static void
 151 init_syncrepl(syncinfo_t *si)
 152 {
 153         int i, j, k, l, n;
 154         char **attrs, **exattrs;
 155
 156         if ( !sync_descs[0] ) {
 157                 sync_descs[0] = slap_schema.si_ad_objectClass;
 158                 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
 159                 sync_descs[2] = slap_schema.si_ad_entryCSN;
 160                 sync_descs[3] = NULL;
 161         }
 162
 163         if ( si->si_allattrs && si->si_allopattrs )
 164                 attrs = NULL;
 165         else
 166                 attrs = anlist2attrs( si->si_anlist );
 167
 168         if ( attrs ) {
 169                 if ( si->si_allattrs ) {
 170                         i = 0;
 171                         while ( attrs[i] ) {
 172                                 if ( !is_at_operational( at_find( attrs[i] ) ) ) {
 173                                         for ( j = i; attrs[j] != NULL; j++ ) {
 174                                                 if ( j == i )
 175                                                         ch_free( attrs[i] );
 176                                                 attrs[j] = attrs[j+1];
 177                                         }
 178                                 } else {
 179                                         i++;
 180                                 }
 181                         }
 182                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 183                         attrs[i] = ch_strdup("*");
 184                         attrs[i + 1] = NULL;
 185
 186                 } else if ( si->si_allopattrs ) {
 187                         i = 0;
 188                         while ( attrs[i] ) {
 189                                 if ( is_at_operational( at_find( attrs[i] ) ) ) {
 190                                         for ( j = i; attrs[j] != NULL; j++ ) {
 191                                                 if ( j == i )
 192                                                         ch_free( attrs[i] );
 193                                                 attrs[j] = attrs[j+1];
 194                                         }
 195                                 } else {
 196                                         i++;
 197                                 }
 198                         }
 199                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 200                         attrs[i] = ch_strdup("+");
 201                         attrs[i + 1] = NULL;
 202                 }
 203
 204                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 205                         j = 0;
 206                         while ( attrs[j] ) {
 207                                 if ( !strcmp( attrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
 208                                         for ( k = j; attrs[k] != NULL; k++ ) {
 209                                                 if ( k == j )
 210                                                         ch_free( attrs[k] );
 211                                                 attrs[k] = attrs[k+1];
 212                                         }
 213                                 } else {
 214                                         j++;
 215                                 }
 216                         }
 217                 }
 218
 219                 for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */;
 220
 221                 if ( si->si_allopattrs ) {
 222                         attrs = ( char ** ) ch_realloc( attrs, (n + 2)*sizeof( char * ) );
 223                 } else {
 224                         attrs = ( char ** ) ch_realloc( attrs, (n + 4)*sizeof( char * ) );
 225                 }
 226
 227                 /* Add Attributes */
 228                 if ( si->si_allopattrs ) {
 229                         attrs[n++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 230                 } else {
 231                         for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
 232                                 attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
 233                         }
 234                 }
 235                 attrs[ n ] = NULL;
 236
 237         } else {
 238
 239                 i = 0;
 240                 if ( si->si_allattrs == si->si_allopattrs ) {
 241                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 242                         attrs[i++] = ch_strdup( "*" );
 243                         attrs[i++] = ch_strdup( "+" );
 244                 } else if ( si->si_allattrs && !si->si_allopattrs ) {
 245                         for ( n = 0; sync_descs[ n ] != NULL; n++ ) ;
 246                         attrs = (char**) ch_malloc( (n+1)* sizeof(char*) );
 247                         attrs[i++] = ch_strdup( "*" );
 248                         for ( j = 1; sync_descs[ j ] != NULL; j++ ) {
 249                                 attrs[i++] = ch_strdup ( sync_descs[j]->ad_cname.bv_val );
 250                         }
 251                 } else if ( !si->si_allattrs && si->si_allopattrs ) {
 252                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 253                         attrs[i++] = ch_strdup( "+" );
 254                         attrs[i++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 255                 }
 256                 attrs[i] = NULL;
 257         }
 258
 259         si->si_attrs = attrs;
 260
 261         exattrs = anlist2attrs( si->si_exanlist );
 262
 263         if ( exattrs ) {
 264                 for ( n = 0; exattrs[n] != NULL; n++ ) ;
 265
 266                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 267                         j = 0;
 268                         while ( exattrs[j] != NULL ) {
 269                                 if ( !strcmp( exattrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
 270                                         ch_free( exattrs[j] );
 271                                         for ( k = j; exattrs[k] != NULL; k++ ) {
 272                                                 exattrs[k] = exattrs[k+1];
 273                                         }
 274                                 } else {
 275                                         j++;
 276                                 }
 277                         }
 278                 }
 279
 280                 for ( i = 0; exattrs[i] != NULL; i++ ) {
 281                         for ( j = 0; si->si_anlist[j].an_name.bv_val; j++ ) {
 282                                 ObjectClass     *oc;
 283                                 if ( ( oc = si->si_anlist[j].an_oc ) ) {
 284                                         k = 0;
 285                                         while ( oc->soc_required[k] ) {
 286                                                 if ( !strcmp( exattrs[i],
 287                                                          oc->soc_required[k]->sat_cname.bv_val ) ) {
 288                                                         ch_free( exattrs[i] );
 289                                                         for ( l = i; exattrs[l]; l++ ) {
 290                                                                 exattrs[l] = exattrs[l+1];
 291                                                         }
 292                                                 } else {
 293                                                         k++;
 294                                                 }
 295                                         }
 296                                 }
 297                         }
 298                 }
 299
 300                 for ( i = 0; exattrs[i] != NULL; i++ ) ;
 301
 302                 if ( i != n )
 303                         exattrs = (char **) ch_realloc( exattrs, (i + 1)*sizeof(char *) );
 304         }
 305
 306         si->si_exattrs = exattrs;
 307 }
 308
 309 typedef struct logschema {
 310         struct berval ls_dn;
 311         struct berval ls_req;
 312         struct berval ls_mod;
 313         struct berval ls_newRdn;
 314         struct berval ls_delRdn;
 315         struct berval ls_newSup;
 316 } logschema;
 317
 318 static logschema changelog_sc = {
 319         BER_BVC("targetDN"),
 320         BER_BVC("changeType"),
 321         BER_BVC("changes"),
 322         BER_BVC("newRDN"),
 323         BER_BVC("deleteOldRDN"),
 324         BER_BVC("newSuperior")
 325 };
 326
 327 static logschema accesslog_sc = {
 328         BER_BVC("reqDN"),
 329         BER_BVC("reqType"),
 330         BER_BVC("reqMod"),
 331         BER_BVC("reqNewRDN"),
 332         BER_BVC("reqDeleteOldRDN"),
 333         BER_BVC("reqNewSuperior")
 334 };
 335
 336 static int
 337 ldap_sync_search(
 338         syncinfo_t *si,
 339         void *ctx )
 340 {
 341         BerElementBuffer berbuf;
 342         BerElement *ber = (BerElement *)&berbuf;
 343         LDAPControl c[2], *ctrls[3];
 344         ber_int_t       msgid;
 345         int rc;
 346         int rhint;
 347         char *base;
 348         char **attrs, *lattrs[8];
 349         char *filter;
 350         int attrsonly;
 351         int scope;
 352
 353         /* setup LDAP SYNC control */
 354         ber_init2( ber, NULL, LBER_USE_DER );
 355         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 356
 357         /* If we're using a log but we have no state, then fallback to
 358          * normal mode for a full refresh.
 359          */
 360         if ( si->si_syncdata && !si->si_syncCookie.numcsns ) {
 361                 si->si_logstate = SYNCLOG_FALLBACK;
 362         }
 363
 364         /* Use the log parameters if we're in log mode */
 365         if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 366                 logschema *ls;
 367                 if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
 368                         ls = &accesslog_sc;
 369                 else
 370                         ls = &changelog_sc;
 371                 lattrs[0] = ls->ls_dn.bv_val;
 372                 lattrs[1] = ls->ls_req.bv_val;
 373                 lattrs[2] = ls->ls_mod.bv_val;
 374                 lattrs[3] = ls->ls_newRdn.bv_val;
 375                 lattrs[4] = ls->ls_delRdn.bv_val;
 376                 lattrs[5] = ls->ls_newSup.bv_val;
 377                 lattrs[6] = slap_schema.si_ad_entryCSN->ad_cname.bv_val;
 378                 lattrs[7] = NULL;
 379
 380                 rhint = 0;
 381                 base = si->si_logbase.bv_val;
 382                 filter = si->si_logfilterstr.bv_val;
 383                 attrs = lattrs;
 384                 attrsonly = 0;
 385                 scope = LDAP_SCOPE_SUBTREE;
 386         } else {
 387                 rhint = 1;
 388                 base = si->si_base.bv_val;
 389                 filter = si->si_filterstr.bv_val;
 390                 attrs = si->si_attrs;
 391                 attrsonly = si->si_attrsonly;
 392                 scope = si->si_scope;
 393         }
 394         if ( si->si_syncdata && si->si_logstate == SYNCLOG_FALLBACK ) {
 395                 si->si_type = LDAP_SYNC_REFRESH_ONLY;
 396         } else {
 397                 si->si_type = si->si_ctype;
 398         }
 399
 400         if ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) )
 401         {
 402                 ber_printf( ber, "{eOb}",
 403                         abs(si->si_type), &si->si_syncCookie.octet_str, rhint );
 404         } else {
 405                 ber_printf( ber, "{eb}",
 406                         abs(si->si_type), rhint );
 407         }
 408
 409         if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 ) ) == LBER_ERROR ) {
 410                 ber_free_buf( ber );
 411                 return rc;
 412         }
 413
 414         c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 415         c[0].ldctl_iscritical = si->si_type < 0;
 416         ctrls[0] = &c[0];
 417
 418         if ( !BER_BVISNULL( &si->si_bindconf.sb_authzId ) ) {
 419                 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 420                 c[1].ldctl_value = si->si_bindconf.sb_authzId;
 421                 c[1].ldctl_iscritical = 1;
 422                 ctrls[1] = &c[1];
 423                 ctrls[2] = NULL;
 424         } else {
 425                 ctrls[1] = NULL;
 426         }
 427
 428         rc = ldap_search_ext( si->si_ld, base, scope, filter, attrs, attrsonly,
 429                 ctrls, NULL, NULL, si->si_slimit, &msgid );
 430         ber_free_buf( ber );
 431         return rc;
 432 }
 433
 434 static int
 435 do_syncrep1(
 436         Operation *op,
 437         syncinfo_t *si )
 438 {
 439         int     rc;
 440         int cmdline_cookie_found = 0;
 441
 442         struct sync_cookie      *sc = NULL;
 443 #ifdef HAVE_TLS
 444         void    *ssl;
 445 #endif
 446
 447         rc = slap_client_connect( &si->si_ld, &si->si_bindconf );
 448         if ( rc != LDAP_SUCCESS ) {
 449                 goto done;
 450         }
 451         op->o_protocol = LDAP_VERSION3;
 452
 453         /* Set SSF to strongest of TLS, SASL SSFs */
 454         op->o_sasl_ssf = 0;
 455         op->o_tls_ssf = 0;
 456         op->o_transport_ssf = 0;
 457 #ifdef HAVE_TLS
 458         if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
 459                 == LDAP_SUCCESS && ssl != NULL )
 460         {
 461                 op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
 462         }
 463 #endif /* HAVE_TLS */
 464         ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &op->o_sasl_ssf );
 465         op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
 466                 ?  op->o_sasl_ssf : op->o_tls_ssf;
 467
 468         ldap_set_option( si->si_ld, LDAP_OPT_TIMELIMIT, &si->si_tlimit );
 469
 470         /* We've just started up, or the remote server hasn't sent us
 471          * any meaningful state.
 472          */
 473         if ( BER_BVISNULL( &si->si_syncCookie.octet_str ) ) {
 474                 int i;
 475
 476                 si->si_syncCookie.rid = si->si_rid;
 477                 si->si_syncCookie.sid = SLAP_SINGLE_SHADOW( si->si_be ) ? -1 :
 478                         slap_serverID;
 479
 480                 LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
 481                         if ( si->si_rid == sc->rid ) {
 482                                 cmdline_cookie_found = 1;
 483                                 break;
 484                         }
 485                 }
 486
 487                 if ( cmdline_cookie_found ) {
 488                         /* cookie is supplied in the command line */
 489
 490                         LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
 491
 492                         /* ctxcsn wasn't parsed yet, do it now */
 493                         slap_parse_sync_cookie( sc, op->o_tmpmemctx );
 494                         slap_sync_cookie_free( &si->si_syncCookie, 0 );
 495                         slap_dup_sync_cookie( &si->si_syncCookie, sc );
 496                         slap_sync_cookie_free( sc, 1 );
 497                 } else {
 498                         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
 499                         if ( !si->si_cookieState->cs_num ) {
 500                                 /* get contextCSN shadow replica from database */
 501                                 BerVarray csn = NULL;
 502                                 void *ctx = op->o_tmpmemctx;
 503
 504                                 op->o_req_ndn = op->o_bd->be_nsuffix[0];
 505                                 op->o_req_dn = op->o_req_ndn;
 506
 507                                 /* try to read stored contextCSN */
 508                                 op->o_tmpmemctx = NULL;
 509                                 backend_attribute( op, NULL, &op->o_req_ndn,
 510                                         slap_schema.si_ad_contextCSN, &csn, ACL_READ );
 511                                 op->o_tmpmemctx = ctx;
 512                                 if ( csn ) {
 513                                         si->si_cookieState->cs_vals = csn;
 514                                         for (i=0; !BER_BVISNULL( &csn[i] ); i++);
 515                                         si->si_cookieState->cs_num = i;
 516                                         si->si_cookieState->cs_sids = slap_parse_csn_sids( csn, i, NULL );
 517                                 }
 518                         }
 519                         if ( si->si_cookieState->cs_num ) {
 520                                 ber_bvarray_free( si->si_syncCookie.ctxcsn );
 521                                 if ( ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 522                                         si->si_cookieState->cs_vals, NULL )) {
 523                                         rc = LDAP_NO_MEMORY;
 524                                         goto done;
 525                                 }
 526                                 si->si_syncCookie.numcsns = si->si_cookieState->cs_num;
 527                                 si->si_syncCookie.sids = ch_malloc( si->si_cookieState->cs_num *
 528                                         sizeof(int) );
 529                                 for ( i=0; i<si->si_syncCookie.numcsns; i++ )
 530                                         si->si_syncCookie.sids[i] = si->si_cookieState->cs_sids[i];
 531                         }
 532                         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 533                 }
 534
 535                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 536                         si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
 537                         si->si_syncCookie.sid );
 538         } else {
 539                 AttributeName at[2];
 540                 Attribute a = {0};
 541                 Entry e = {0};
 542                 SlapReply rs = {0};
 543                 int i, j, changed = 0;
 544
 545                 /* Look for contextCSN from syncprov overlay. If
 546                  * there's no overlay, this will be a no-op. That means
 547                  * this is a pure consumer, so local changes will not be
 548                  * allowed, and all changes will already be reflected in
 549                  * the cookieState.
 550                  */
 551                 a.a_desc = slap_schema.si_ad_contextCSN;
 552                 e.e_attrs = &a;
 553                 e.e_name = si->si_wbe->be_suffix[0];
 554                 e.e_nname = si->si_wbe->be_nsuffix[0];
 555                 rs.sr_entry = &e;
 556                 rs.sr_flags = REP_ENTRY_MODIFIABLE;
 557                 at[0].an_name = a.a_desc->ad_cname;
 558                 at[0].an_desc = a.a_desc;
 559                 BER_BVZERO( &at[1].an_name );
 560                 op->o_req_dn = e.e_name;
 561                 op->o_req_ndn = e.e_nname;
 562
 563                 ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
 564                 rc = backend_operational( op, &rs );
 565                 if ( rc == LDAP_SUCCESS && a.a_vals ) {
 566                         int num = a.a_numvals;
 567                         /* check for differences */
 568                         if ( num != si->si_cookieState->cs_num ) {
 569                                 changed = 1;
 570                         } else {
 571                                 for ( i=0; i<num; i++ ) {
 572                                         if ( ber_bvcmp( &a.a_vals[i],
 573                                                 &si->si_cookieState->cs_vals[i] )) {
 574                                                 changed =1;
 575                                                 break;
 576                                         }
 577                                 }
 578                         }
 579                         if ( changed ) {
 580                                 ber_bvarray_free( si->si_cookieState->cs_vals );
 581                                 ch_free( si->si_cookieState->cs_sids );
 582                                 si->si_cookieState->cs_num = num;
 583                                 si->si_cookieState->cs_vals = a.a_vals;
 584                                 si->si_cookieState->cs_sids = slap_parse_csn_sids( a.a_vals,
 585                                         num, NULL );
 586                                 si->si_cookieState->cs_age++;
 587                         } else {
 588                                 ber_bvarray_free( a.a_vals );
 589                         }
 590                         changed = 0;
 591                 }
 592                 /* See if the cookieState has changed due to anything outside
 593                  * this particular consumer. That includes other consumers in
 594                  * the same context, or local changes detected above.
 595                  */
 596                 if ( si->si_cookieState->cs_num > 1 && si->si_cookieAge !=
 597                         si->si_cookieState->cs_age ) {
 598
 599                         for (i=0; !BER_BVISNULL( &si->si_syncCookie.ctxcsn[i] ); i++) {
 600                                 /* bogus, just dup everything */
 601                                 if ( si->si_syncCookie.sids[i] == -1 ) {
 602                                         ber_bvarray_free( si->si_syncCookie.ctxcsn );
 603                                         ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 604                                                 si->si_cookieState->cs_vals, NULL );
 605                                         changed = 1;
 606                                         break;
 607                                 }
 608                                 for (j=0; j<si->si_cookieState->cs_num; j++) {
 609                                         if ( si->si_syncCookie.sids[i] !=
 610                                                 si->si_cookieState->cs_sids[j] )
 611                                                 continue;
 612                                         if ( bvmatch( &si->si_syncCookie.ctxcsn[i],
 613                                                 &si->si_cookieState->cs_vals[j] ))
 614                                                 break;
 615                                         ber_bvreplace( &si->si_syncCookie.ctxcsn[i],
 616                                                 &si->si_cookieState->cs_vals[j] );
 617                                         changed = 1;
 618                                         break;
 619                                 }
 620                         }
 621                         if ( changed ) {
 622                                 ch_free( si->si_syncCookie.octet_str.bv_val );
 623                                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 624                                         si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
 625                                         SLAP_SINGLE_SHADOW( si->si_be ) ? -1 : slap_serverID );
 626                         }
 627                 }
 628                 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 629         }
 630
 631         rc = ldap_sync_search( si, op->o_tmpmemctx );
 632
 633         if( rc != LDAP_SUCCESS ) {
 634                 Debug( LDAP_DEBUG_ANY, "do_syncrep1: %s "
 635                         "ldap_search_ext: %s (%d)\n",
 636                         si->si_ridtxt, ldap_err2string( rc ), rc );
 637         }
 638
 639 done:
 640         if ( rc ) {
 641                 if ( si->si_ld ) {
 642                         ldap_unbind_ext( si->si_ld, NULL, NULL );
 643                         si->si_ld = NULL;
 644                 }
 645         }
 646
 647         return rc;
 648 }
 649
 650 static int
 651 compare_csns( struct sync_cookie *sc1, struct sync_cookie *sc2, int *which )
 652 {
 653         int i, j, match = 0;
 654         const char *text;
 655
 656         *which = 0;
 657
 658         if ( sc1->numcsns < sc2->numcsns ) {
 659                 *which = sc1->numcsns;
 660                 return -1;
 661         }
 662
 663         for (i=0; !BER_BVISNULL( &sc1->ctxcsn[i] ); i++) {
 664                 for (j=0; !BER_BVISNULL( &sc2->ctxcsn[j] ); j++) {
 665                         if ( sc1->sids[i] != sc2->sids[j] )
 666                                 continue;
 667                         value_match( &match, slap_schema.si_ad_entryCSN,
 668                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 669                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 670                                 &sc1->ctxcsn[i], &sc2->ctxcsn[i], &text );
 671                         if ( match < 0 ) {
 672                                 *which = j;
 673                                 return match;
 674                         }
 675                         break;
 676                 }
 677         }
 678         return match;
 679 }
 680
 681 static int
 682 do_syncrep2(
 683         Operation *op,
 684         syncinfo_t *si )
 685 {
 686         LDAPControl     **rctrls = NULL;
 687         LDAPControl     *rctrlp;
 688
 689         BerElementBuffer berbuf;
 690         BerElement      *ber = (BerElement *)&berbuf;
 691
 692         LDAPMessage     *res = NULL;
 693         LDAPMessage     *msg = NULL;
 694
 695         char            *retoid = NULL;
 696         struct berval   *retdata = NULL;
 697
 698         Entry           *entry = NULL;
 699
 700         int             syncstate;
 701         struct berval   syncUUID = BER_BVNULL;
 702         struct sync_cookie      syncCookie = { NULL };
 703         struct sync_cookie      syncCookie_req = { NULL };
 704         struct berval           cookie = BER_BVNULL;
 705
 706         int             rc,
 707                         err = LDAP_SUCCESS;
 708         ber_len_t       len;
 709
 710         struct berval   *psub;
 711         Modifications   *modlist = NULL;
 712
 713         int                             match, m;
 714
 715         struct timeval *tout_p = NULL;
 716         struct timeval tout = { 0, 0 };
 717
 718         int             refreshDeletes = 0;
 719         int             refreshDone = 1;
 720         BerVarray syncUUIDs = NULL;
 721         ber_tag_t si_tag;
 722
 723         if ( slapd_shutdown ) {
 724                 rc = -2;
 725                 goto done;
 726         }
 727
 728         ber_init2( ber, NULL, LBER_USE_DER );
 729         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 730
 731         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2 %s\n", si->si_ridtxt, 0, 0 );
 732
 733         psub = &si->si_be->be_nsuffix[0];
 734
 735         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 736
 737         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 738                 tout_p = &tout;
 739         } else {
 740                 tout_p = NULL;
 741         }
 742
 743         while ( ( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE,
 744                 tout_p, &res ) ) > 0 )
 745         {
 746                 if ( slapd_shutdown ) {
 747                         rc = -2;
 748                         goto done;
 749                 }
 750                 for( msg = ldap_first_message( si->si_ld, res );
 751                         msg != NULL;
 752                         msg = ldap_next_message( si->si_ld, msg ) )
 753                 {
 754                         if ( slapd_shutdown ) {
 755                                 rc = -2;
 756                                 goto done;
 757                         }
 758                         switch( ldap_msgtype( msg ) ) {
 759                         case LDAP_RES_SEARCH_ENTRY:
 760                                 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 761                                 /* we can't work without the control */
 762                                 rctrlp = NULL;
 763                                 if ( rctrls ) {
 764                                         LDAPControl **next;
 765                                         /* NOTE: make sure we use the right one;
 766                                          * a better approach would be to run thru
 767                                          * the whole list and take care of all */
 768                                         rctrlp = ldap_control_find( LDAP_CONTROL_SYNC_STATE, rctrls, &next );
 769                                         if ( next && ldap_control_find( LDAP_CONTROL_SYNC_STATE, next, NULL ) )
 770                                         {
 771                                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 772                                                         "got search entry with multiple "
 773                                                         "Sync State control\n", si->si_ridtxt, 0, 0 );
 774                                                 rc = -1;
 775                                                 goto done;
 776                                         }
 777                                 }
 778                                 if ( rctrlp == NULL ) {
 779                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 780                                                 "got search entry without "
 781                                                 "Sync State control\n", si->si_ridtxt, 0, 0 );
 782                                         rc = -1;
 783                                         goto done;
 784                                 }
 785                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 786                                 ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
 787                                 /* FIXME: what if syncUUID is NULL or empty?
 788                                  * (happens with back-sql...) */
 789                                 if ( BER_BVISEMPTY( &syncUUID ) ) {
 790                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 791                                                 "got empty syncUUID with LDAP_SYNC_%s\n",
 792                                                 si->si_ridtxt,
 793                                                 syncrepl_state2str( syncstate ), 0 );
 794                                         ldap_controls_free( rctrls );
 795                                         rc = -1;
 796                                         goto done;
 797                                 }
 798                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 799                                         ber_scanf( ber, /*"{"*/ "m}", &cookie );
 800                                         if ( !BER_BVISNULL( &cookie ) ) {
 801                                                 ch_free( syncCookie.octet_str.bv_val );
 802                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 803                                         }
 804                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 805                                         {
 806                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 807                                         }
 808                                 }
 809                                 rc = 0;
 810                                 if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 811                                         modlist = NULL;
 812                                         if ( ( rc = syncrepl_message_to_op( si, op, msg ) ) == LDAP_SUCCESS &&
 813                                                 syncCookie.ctxcsn )
 814                                         {
 815                                                 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 816                                         }
 817                                 } else if ( ( rc = syncrepl_message_to_entry( si, op, msg,
 818                                         &modlist, &entry, syncstate ) ) == LDAP_SUCCESS )
 819                                 {
 820                                         if ( ( rc = syncrepl_entry( si, op, entry, &modlist,
 821                                                 syncstate, &syncUUID, syncCookie.ctxcsn ) ) == LDAP_SUCCESS &&
 822                                                 syncCookie.ctxcsn )
 823                                         {
 824                                                 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 825                                         }
 826                                 }
 827                                 ldap_controls_free( rctrls );
 828                                 if ( modlist ) {
 829                                         slap_mods_free( modlist, 1 );
 830                                 }
 831                                 if ( rc )
 832                                         goto done;
 833                                 break;
 834
 835                         case LDAP_RES_SEARCH_REFERENCE:
 836                                 Debug( LDAP_DEBUG_ANY,
 837                                         "do_syncrep2: %s reference received error\n",
 838                                         si->si_ridtxt, 0, 0 );
 839                                 break;
 840
 841                         case LDAP_RES_SEARCH_RESULT:
 842                                 Debug( LDAP_DEBUG_SYNC,
 843                                         "do_syncrep2: %s LDAP_RES_SEARCH_RESULT\n",
 844                                         si->si_ridtxt, 0, 0 );
 845                                 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 846                                         &rctrls, 0 );
 847 #ifdef LDAP_X_SYNC_REFRESH_REQUIRED
 848                                 if ( err == LDAP_X_SYNC_REFRESH_REQUIRED ) {
 849                                         /* map old result code to registered code */
 850                                         err = LDAP_SYNC_REFRESH_REQUIRED;
 851                                 }
 852 #endif
 853                                 if ( err == LDAP_SYNC_REFRESH_REQUIRED ) {
 854                                         if ( si->si_logstate == SYNCLOG_LOGGING ) {
 855                                                 si->si_logstate = SYNCLOG_FALLBACK;
 856                                         }
 857                                         rc = err;
 858                                         goto done;
 859                                 }
 860                                 if ( rctrls ) {
 861                                         rctrlp = *rctrls;
 862                                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 863
 864                                         ber_scanf( ber, "{" /*"}"*/);
 865                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 866                                                 ber_scanf( ber, "m", &cookie );
 867                                                 if ( !BER_BVISNULL( &cookie ) ) {
 868                                                         ch_free( syncCookie.octet_str.bv_val );
 869                                                         ber_dupbv( &syncCookie.octet_str, &cookie);
 870                                                 }
 871                                                 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 872                                                 {
 873                                                         slap_parse_sync_cookie( &syncCookie, NULL );
 874                                                 }
 875                                         }
 876                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 877                                         {
 878                                                 ber_scanf( ber, "b", &refreshDeletes );
 879                                         }
 880                                         ber_scanf( ber, /*"{"*/ "}" );
 881                                 }
 882                                 if ( !syncCookie.ctxcsn ) {
 883                                         match = 1;
 884                                 } else if ( !syncCookie_req.ctxcsn ) {
 885                                         match = -1;
 886                                         m = 0;
 887                                 } else {
 888                                         match = compare_csns( &syncCookie_req, &syncCookie, &m );
 889                                 }
 890                                 if ( rctrls ) {
 891                                         ldap_controls_free( rctrls );
 892                                 }
 893                                 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 894                                         /* FIXME : different error behaviors according to
 895                                          *      1) err code : LDAP_BUSY ...
 896                                          *      2) on err policy : stop service, stop sync, retry
 897                                          */
 898                                         if ( refreshDeletes == 0 && match < 0 &&
 899                                                 err == LDAP_SUCCESS )
 900                                         {
 901                                                 syncrepl_del_nonpresent( op, si, NULL,
 902                                                         &syncCookie.ctxcsn[m] );
 903                                         } else {
 904                                                 avl_free( si->si_presentlist, avl_ber_bvfree );
 905                                                 si->si_presentlist = NULL;
 906                                         }
 907                                 }
 908                                 if ( syncCookie.ctxcsn && match < 0 && err == LDAP_SUCCESS )
 909                                 {
 910                                         rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 911                                 }
 912                                 if ( err == LDAP_SUCCESS
 913                                         && si->si_logstate == SYNCLOG_FALLBACK ) {
 914                                         si->si_logstate = SYNCLOG_LOGGING;
 915                                         rc = LDAP_SYNC_REFRESH_REQUIRED;
 916                                 } else {
 917                                         rc = -2;
 918                                 }
 919                                 goto done;
 920                                 break;
 921
 922                         case LDAP_RES_INTERMEDIATE:
 923                                 rc = ldap_parse_intermediate( si->si_ld, msg,
 924                                         &retoid, &retdata, NULL, 0 );
 925                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 926                                         ber_init2( ber, retdata, LBER_USE_DER );
 927
 928                                         switch ( si_tag = ber_peek_tag( ber, &len ) ) {
 929                                         ber_tag_t tag;
 930                                         case LDAP_TAG_SYNC_NEW_COOKIE:
 931                                                 Debug( LDAP_DEBUG_SYNC,
 932                                                         "do_syncrep2: %s %s - %s\n",
 933                                                         si->si_ridtxt,
 934                                                         "LDAP_RES_INTERMEDIATE",
 935                                                         "NEW_COOKIE" );
 936                                                 ber_scanf( ber, "tm", &tag, &cookie );
 937                                                 break;
 938                                         case LDAP_TAG_SYNC_REFRESH_DELETE:
 939                                         case LDAP_TAG_SYNC_REFRESH_PRESENT:
 940                                                 Debug( LDAP_DEBUG_SYNC,
 941                                                         "do_syncrep2: %s %s - %s\n",
 942                                                         si->si_ridtxt,
 943                                                         "LDAP_RES_INTERMEDIATE",
 944                                                         si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ?
 945                                                         "REFRESH_PRESENT" : "REFRESH_DELETE" );
 946                                                 if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) {
 947                                                         si->si_refreshDelete = 1;
 948                                                 } else {
 949                                                         si->si_refreshPresent = 1;
 950                                                 }
 951                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 952                                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 953                                                 {
 954                                                         ber_scanf( ber, "m", &cookie );
 955                                                         if ( !BER_BVISNULL( &cookie ) ) {
 956                                                                 ch_free( syncCookie.octet_str.bv_val );
 957                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 958                                                         }
 959                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 960                                                         {
 961                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 962                                                         }
 963                                                 }
 964                                                 if ( ber_peek_tag( ber, &len ) ==
 965                                                         LDAP_TAG_REFRESHDONE )
 966                                                 {
 967                                                         ber_scanf( ber, "b", &refreshDone );
 968                                                 }
 969                                                 ber_scanf( ber, /*"{"*/ "}" );
 970                                                 break;
 971                                         case LDAP_TAG_SYNC_ID_SET:
 972                                                 Debug( LDAP_DEBUG_SYNC,
 973                                                         "do_syncrep2: %s %s - %s\n",
 974                                                         si->si_ridtxt,
 975                                                         "LDAP_RES_INTERMEDIATE",
 976                                                         "SYNC_ID_SET" );
 977                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 978                                                 if ( ber_peek_tag( ber, &len ) ==
 979                                                         LDAP_TAG_SYNC_COOKIE )
 980                                                 {
 981                                                         ber_scanf( ber, "m", &cookie );
 982                                                         if ( !BER_BVISNULL( &cookie ) ) {
 983                                                                 ch_free( syncCookie.octet_str.bv_val );
 984                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 985                                                         }
 986                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 987                                                         {
 988                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 989                                                                 compare_csns( &syncCookie_req, &syncCookie, &m );
 990                                                         }
 991                                                 }
 992                                                 if ( ber_peek_tag( ber, &len ) ==
 993                                                         LDAP_TAG_REFRESHDELETES )
 994                                                 {
 995                                                         ber_scanf( ber, "b", &refreshDeletes );
 996                                                 }
 997                                                 ber_scanf( ber, "[W]", &syncUUIDs );
 998                                                 ber_scanf( ber, /*"{"*/ "}" );
 999                                                 if ( refreshDeletes ) {
1000                                                         syncrepl_del_nonpresent( op, si, syncUUIDs,
1001                                                                 &syncCookie.ctxcsn[m] );
1002                                                         ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx );
1003                                                 } else {
1004                                                         int i;
1005                                                         for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) {
1006                                                                 struct berval *syncuuid_bv;
1007                                                                 syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
1008                                                                 slap_sl_free( syncUUIDs[i].bv_val,op->o_tmpmemctx );
1009                                                                 if ( avl_insert( &si->si_presentlist,
1010                                                                         (caddr_t) syncuuid_bv,
1011                                                                         syncuuid_cmp, avl_dup_error ) )
1012                                                                 {
1013                                                                         ber_bvfree( syncuuid_bv );
1014                                                                 }
1015                                                         }
1016                                                         slap_sl_free( syncUUIDs, op->o_tmpmemctx );
1017                                                 }
1018                                                 slap_sync_cookie_free( &syncCookie, 0 );
1019                                                 break;
1020                                         default:
1021                                                 Debug( LDAP_DEBUG_ANY,
1022                                                         "do_syncrep2: %s unknown syncinfo tag (%ld)\n",
1023                                                         si->si_ridtxt, (long) si_tag, 0 );
1024                                                 ldap_memfree( retoid );
1025                                                 ber_bvfree( retdata );
1026                                                 continue;
1027                                         }
1028
1029                                         if ( !syncCookie.ctxcsn ) {
1030                                                 match = 1;
1031                                         } else if ( !syncCookie_req.ctxcsn ) {
1032                                                 match = -1;
1033                                                 m = 0;
1034                                         } else {
1035                                                 match = compare_csns( &syncCookie_req, &syncCookie, &m );
1036                                         }
1037
1038                                         if ( match < 0 ) {
1039                                                 if ( si->si_refreshPresent == 1 ) {
1040                                                         syncrepl_del_nonpresent( op, si, NULL,
1041                                                                 &syncCookie.ctxcsn[m] );
1042                                                 }
1043
1044                                                 if ( syncCookie.ctxcsn )
1045                                                 {
1046                                                         rc = syncrepl_updateCookie( si, op, psub, &syncCookie);
1047                                                 }
1048                                         }
1049
1050                                         ldap_memfree( retoid );
1051                                         ber_bvfree( retdata );
1052                                         break;
1053
1054                                 } else {
1055                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1056                                                 "unknown intermediate response (%d)\n",
1057                                                 si->si_ridtxt, rc, 0 );
1058                                         ldap_memfree( retoid );
1059                                         ber_bvfree( retdata );
1060                                         break;
1061                                 }
1062                                 break;
1063
1064                         default:
1065                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1066                                         "unknown message (0x%02lx)\n",
1067                                         si->si_ridtxt,
1068                                         (unsigned long)ldap_msgtype( msg ), 0 );
1069                                 break;
1070
1071                         }
1072                         if ( !BER_BVISNULL( &syncCookie.octet_str ) ) {
1073                                 slap_sync_cookie_free( &syncCookie_req, 0 );
1074                                 slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
1075                                 slap_sync_cookie_free( &syncCookie, 0 );
1076                         }
1077                 }
1078                 ldap_msgfree( res );
1079                 res = NULL;
1080         }
1081
1082         if ( rc == -1 ) {
1083                 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
1084                 err = rc;
1085         }
1086
1087 done:
1088         if ( err != LDAP_SUCCESS ) {
1089                 Debug( LDAP_DEBUG_ANY,
1090                         "do_syncrep2: %s (%d) %s\n",
1091                         si->si_ridtxt, err, ldap_err2string( err ) );
1092         }
1093
1094         slap_sync_cookie_free( &syncCookie, 0 );
1095         slap_sync_cookie_free( &syncCookie_req, 0 );
1096
1097         if ( res ) ldap_msgfree( res );
1098
1099         if ( rc && rc != LDAP_SYNC_REFRESH_REQUIRED && si->si_ld ) {
1100                 if ( si->si_conn_setup ) {
1101                         ber_socket_t s;
1102                         ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1103                         connection_client_stop( s );
1104                         si->si_conn_setup = 0;
1105                 }
1106                 ldap_unbind_ext( si->si_ld, NULL, NULL );
1107                 si->si_ld = NULL;
1108         }
1109
1110         return rc;
1111 }
1112
1113 static void *
1114 do_syncrepl(
1115         void    *ctx,
1116         void    *arg )
1117 {
1118         struct re_s* rtask = arg;
1119         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
1120         Connection conn = {0};
1121         OperationBuffer opbuf;
1122         Operation *op;
1123         int rc = LDAP_SUCCESS;
1124         int dostop = 0;
1125         ber_socket_t s;
1126         int i, defer = 1, fail = 0;
1127         Backend *be;
1128
1129         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl %s\n", si->si_ridtxt, 0, 0 );
1130
1131         if ( si == NULL )
1132                 return NULL;
1133
1134         ldap_pvt_thread_mutex_lock( &si->si_mutex );
1135
1136         switch( abs( si->si_type ) ) {
1137         case LDAP_SYNC_REFRESH_ONLY:
1138         case LDAP_SYNC_REFRESH_AND_PERSIST:
1139                 break;
1140         default:
1141                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1142                 return NULL;
1143         }
1144
1145         if ( slapd_shutdown ) {
1146                 if ( si->si_ld ) {
1147                         if ( si->si_conn_setup ) {
1148                                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1149                                 connection_client_stop( s );
1150                                 si->si_conn_setup = 0;
1151                         }
1152                         ldap_unbind_ext( si->si_ld, NULL, NULL );
1153                         si->si_ld = NULL;
1154                 }
1155                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1156                 return NULL;
1157         }
1158
1159         connection_fake_init( &conn, &opbuf, ctx );
1160         op = &opbuf.ob_op;
1161
1162         /* use global malloc for now */
1163         op->o_tmpmemctx = NULL;
1164         op->o_tmpmfuncs = &ch_mfuncs;
1165
1166         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1167         op->o_bd = be = si->si_be;
1168         op->o_dn = op->o_bd->be_rootdn;
1169         op->o_ndn = op->o_bd->be_rootndn;
1170         if ( !si->si_schemachecking )
1171                 op->o_no_schema_check = 1;
1172
1173         /* If we're glued, send writes through the glue parent */
1174         if ( !si->si_wbe ) {
1175                 if ( SLAP_GLUE_SUBORDINATE( be )) {
1176                         si->si_wbe = select_backend( &be->be_nsuffix[0], 1 );
1177                 } else {
1178                         si->si_wbe = be;
1179                 }
1180         }
1181
1182         /* Establish session, do search */
1183         if ( !si->si_ld ) {
1184                 si->si_refreshDelete = 0;
1185                 si->si_refreshPresent = 0;
1186                 rc = do_syncrep1( op, si );
1187         }
1188
1189 reload:
1190         /* Process results */
1191         if ( rc == LDAP_SUCCESS ) {
1192                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1193
1194                 rc = do_syncrep2( op, si );
1195                 if ( rc == LDAP_SYNC_REFRESH_REQUIRED ) {
1196                         rc = ldap_sync_search( si, op->o_tmpmemctx );
1197                         goto reload;
1198                 }
1199
1200                 /* We got deleted while running on cn=config */
1201                 if ( !si->si_ctype ) {
1202                         if ( si->si_conn_setup )
1203                                 dostop = 1;
1204                         rc = -1;
1205                 }
1206
1207                 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
1208                         /* If we succeeded, enable the connection for further listening.
1209                          * If we failed, tear down the connection and reschedule.
1210                          */
1211                         if ( rc == LDAP_SUCCESS ) {
1212                                 if ( si->si_conn_setup ) {
1213                                         connection_client_enable( s );
1214                                 } else {
1215                                         rc = connection_client_setup( s, do_syncrepl, arg );
1216                                         if ( rc == 0 )
1217                                                 si->si_conn_setup = 1;
1218                                 }
1219                         } else if ( si->si_conn_setup ) {
1220                                 dostop = 1;
1221                         }
1222                 } else {
1223                         if ( rc == -2 ) rc = 0;
1224                 }
1225         }
1226
1227         /* At this point, we have 4 cases:
1228          * 1) for any hard failure, give up and remove this task
1229          * 2) for ServerDown, reschedule this task to run
1230          * 3) for Refresh and Success, reschedule to run
1231          * 4) for Persist and Success, reschedule to defer
1232          */
1233         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
1234
1235         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask ) ) {
1236                 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
1237         }
1238
1239         if ( dostop ) {
1240                 connection_client_stop( s );
1241         }
1242
1243         if ( rc == LDAP_SUCCESS ) {
1244                 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
1245                         defer = 0;
1246                 }
1247                 rtask->interval.tv_sec = si->si_interval;
1248                 ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
1249                 if ( si->si_retrynum ) {
1250                         for ( i = 0; si->si_retrynum_init[i] != RETRYNUM_TAIL; i++ ) {
1251                                 si->si_retrynum[i] = si->si_retrynum_init[i];
1252                         }
1253                         si->si_retrynum[i] = RETRYNUM_TAIL;
1254                 }
1255         } else {
1256                 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
1257                         if ( si->si_retrynum[i] == RETRYNUM_FOREVER || si->si_retrynum[i] == RETRYNUM_TAIL )
1258                                 break;
1259                 }
1260
1261                 if ( !si->si_ctype
1262                         || !si->si_retrynum || si->si_retrynum[i] == RETRYNUM_TAIL ) {
1263                         ldap_pvt_runqueue_remove( &slapd_rq, rtask );
1264                         fail = RETRYNUM_TAIL;
1265                 } else if ( RETRYNUM_VALID( si->si_retrynum[i] ) ) {
1266                         if ( si->si_retrynum[i] > 0 )
1267                                 si->si_retrynum[i]--;
1268                         fail = si->si_retrynum[i];
1269                         rtask->interval.tv_sec = si->si_retryinterval[i];
1270                         ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1271                         slap_wake_listener();
1272                 }
1273         }
1274
1275         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1276         ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1277
1278         if ( rc ) {
1279                 if ( fail == RETRYNUM_TAIL ) {
1280                         Debug( LDAP_DEBUG_ANY,
1281                                 "do_syncrepl: rid %03d quitting\n",
1282                                 si->si_rid, 0, 0 );
1283                 } else if ( fail > 0 ) {
1284                         Debug( LDAP_DEBUG_ANY,
1285                                 "do_syncrepl: rid %03d retrying (%d retries left)\n",
1286                                 si->si_rid, fail, 0 );
1287                 } else {
1288                         Debug( LDAP_DEBUG_ANY,
1289                                 "do_syncrepl: rid %03d retrying\n",
1290                                 si->si_rid, 0, 0 );
1291                 }
1292         }
1293
1294         /* Do final delete cleanup */
1295         if ( !si->si_ctype ) {
1296                 cookie_state *cs = NULL;
1297                 syncinfo_t **sip;
1298
1299                 cs = be->be_syncinfo->si_cookieState;
1300                 for ( sip = &be->be_syncinfo; *sip != si; sip = &(*sip)->si_next );
1301                 *sip = si->si_next;
1302                 syncinfo_free( si, 0 );
1303                 if ( !be->be_syncinfo ) {
1304                         SLAP_DBFLAGS( be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
1305                         if ( cs ) {
1306                                 ch_free( cs->cs_sids );
1307                                 ber_bvarray_free( cs->cs_vals );
1308                                 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
1309                                 ch_free( cs );
1310                         }
1311                 }
1312         }
1313         return NULL;
1314 }
1315
1316 static slap_verbmasks modops[] = {
1317         { BER_BVC("add"), LDAP_REQ_ADD },
1318         { BER_BVC("delete"), LDAP_REQ_DELETE },
1319         { BER_BVC("modify"), LDAP_REQ_MODIFY },
1320         { BER_BVC("modrdn"), LDAP_REQ_MODRDN},
1321         { BER_BVNULL, 0 }
1322 };
1323
1324 static Modifications *
1325 syncrepl_accesslog_mods(
1326         syncinfo_t *si,
1327         struct berval *vals
1328 )
1329 {
1330         char *colon;
1331         const char *text;
1332         AttributeDescription *ad;
1333         struct berval bv, bv2;
1334         short op;
1335         Modifications *mod = NULL, *modlist = NULL, **modtail;
1336         int i;
1337
1338         modtail = &modlist;
1339
1340         for (i=0; !BER_BVISNULL( &vals[i] ); i++) {
1341                 ad = NULL;
1342                 bv = vals[i];
1343
1344                 colon = ber_bvchr( &bv, ':' );
1345                 if ( !colon ) {
1346                         /* Invalid */
1347                         continue;
1348                 }
1349
1350                 bv.bv_len = colon - bv.bv_val;
1351                 if ( slap_bv2ad( &bv, &ad, &text ) ) {
1352                         /* Invalid */
1353                         continue;
1354                 }
1355
1356                 /* Ignore dynamically generated attrs */
1357                 if ( ad->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1358                         continue;
1359                 }
1360
1361                 /* Ignore excluded attrs */
1362                 if ( ldap_charray_inlist( si->si_exattrs,
1363                         ad->ad_type->sat_cname.bv_val ) )
1364                 {
1365                         continue;
1366                 }
1367
1368                 switch(colon[1]) {
1369                 case '+':       op = LDAP_MOD_ADD; break;
1370                 case '-':       op = LDAP_MOD_DELETE; break;
1371                 case '=':       op = LDAP_MOD_REPLACE; break;
1372                 case '#':       op = LDAP_MOD_INCREMENT; break;
1373                 default:        continue;
1374                 }
1375
1376                 if ( !mod || ad != mod->sml_desc || op != mod->sml_op ) {
1377                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1378                         mod->sml_flags = 0;
1379                         mod->sml_op = op;
1380                         mod->sml_next = NULL;
1381                         mod->sml_desc = ad;
1382                         mod->sml_type = ad->ad_cname;
1383                         mod->sml_values = NULL;
1384                         mod->sml_nvalues = NULL;
1385                         mod->sml_numvals = 0;
1386
1387                         *modtail = mod;
1388                         modtail = &mod->sml_next;
1389                 }
1390                 if ( colon[2] == ' ' ) {
1391                         bv.bv_val = colon + 3;
1392                         bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val );
1393                         ber_dupbv( &bv2, &bv );
1394                         ber_bvarray_add( &mod->sml_values, &bv2 );
1395                         mod->sml_numvals++;
1396                 }
1397         }
1398         return modlist;
1399 }
1400
1401 static Modifications *
1402 syncrepl_changelog_mods(
1403         syncinfo_t *si,
1404         struct berval *vals
1405 )
1406 {
1407         return NULL;    /* FIXME */
1408 }
1409
1410 static int
1411 syncrepl_message_to_op(
1412         syncinfo_t      *si,
1413         Operation       *op,
1414         LDAPMessage     *msg
1415 )
1416 {
1417         BerElement      *ber = NULL;
1418         Modifications   *modlist = NULL;
1419         logschema *ls;
1420         SlapReply rs = { REP_RESULT };
1421         slap_callback cb = { NULL, null_callback, NULL, NULL };
1422
1423         const char      *text;
1424         char txtbuf[SLAP_TEXT_BUFLEN];
1425         size_t textlen = sizeof txtbuf;
1426
1427         struct berval   bdn, dn = BER_BVNULL, ndn;
1428         struct berval   bv, *bvals = NULL;
1429         struct berval   rdn = BER_BVNULL, sup = BER_BVNULL,
1430                 prdn = BER_BVNULL, nrdn = BER_BVNULL,
1431                 psup = BER_BVNULL, nsup = BER_BVNULL;
1432         int             rc, deleteOldRdn = 0, freeReqDn = 0;
1433
1434         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1435                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1436                         "Message type should be entry (%d)",
1437                         si->si_ridtxt, ldap_msgtype( msg ), 0 );
1438                 return -1;
1439         }
1440
1441         if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
1442                 ls = &accesslog_sc;
1443         else
1444                 ls = &changelog_sc;
1445
1446         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1447
1448         if ( rc != LDAP_SUCCESS ) {
1449                 Debug( LDAP_DEBUG_ANY,
1450                         "syncrepl_message_to_op: %s dn get failed (%d)",
1451                         si->si_ridtxt, rc, 0 );
1452                 return rc;
1453         }
1454
1455         op->o_tag = LBER_DEFAULT;
1456         op->o_bd = si->si_wbe;
1457
1458         while (( rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, &bvals ) )
1459                 == LDAP_SUCCESS ) {
1460                 if ( bv.bv_val == NULL )
1461                         break;
1462
1463                 if ( !ber_bvstrcasecmp( &bv, &ls->ls_dn ) ) {
1464                         bdn = bvals[0];
1465                         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1466                         ber_dupbv( &op->o_req_dn, &dn );
1467                         ber_dupbv( &op->o_req_ndn, &ndn );
1468                         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1469                         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1470                         freeReqDn = 1;
1471                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_req ) ) {
1472                         int i = verb_to_mask( bvals[0].bv_val, modops );
1473                         if ( i < 0 ) {
1474                                 Debug( LDAP_DEBUG_ANY,
1475                                         "syncrepl_message_to_op: %s unknown op %s",
1476                                         si->si_ridtxt, bvals[0].bv_val, 0 );
1477                                 ch_free( bvals );
1478                                 rc = -1;
1479                                 goto done;
1480                         }
1481                         op->o_tag = modops[i].mask;
1482                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_mod ) ) {
1483                         /* Parse attribute into modlist */
1484                         if ( si->si_syncdata == SYNCDATA_ACCESSLOG ) {
1485                                 modlist = syncrepl_accesslog_mods( si, bvals );
1486                         } else {
1487                                 modlist = syncrepl_changelog_mods( si, bvals );
1488                         }
1489                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newRdn ) ) {
1490                         rdn = bvals[0];
1491                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_delRdn ) ) {
1492                         if ( !ber_bvstrcasecmp( &slap_true_bv, bvals ) ) {
1493                                 deleteOldRdn = 1;
1494                         }
1495                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup ) ) {
1496                         sup = bvals[0];
1497                 } else if ( !ber_bvstrcasecmp( &bv,
1498                         &slap_schema.si_ad_entryCSN->ad_cname ) )
1499                 {
1500                         slap_queue_csn( op, bvals );
1501                 }
1502                 ch_free( bvals );
1503         }
1504
1505         /* If we didn't get a mod type or a target DN, bail out */
1506         if ( op->o_tag == LBER_DEFAULT || BER_BVISNULL( &dn ) ) {
1507                 rc = -1;
1508                 goto done;
1509         }
1510
1511         op->o_callback = &cb;
1512         slap_op_time( &op->o_time, &op->o_tincr );
1513
1514         switch( op->o_tag ) {
1515         case LDAP_REQ_ADD:
1516         case LDAP_REQ_MODIFY:
1517                 /* If we didn't get required data, bail */
1518                 if ( !modlist ) goto done;
1519
1520                 rc = slap_mods_check( op, modlist, &text, txtbuf, textlen, NULL );
1521
1522                 if ( rc != LDAP_SUCCESS ) {
1523                         Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1524                                 "mods check (%s)\n",
1525                                 si->si_ridtxt, text, 0 );
1526                         goto done;
1527                 }
1528
1529                 if ( op->o_tag == LDAP_REQ_ADD ) {
1530                         Entry *e = entry_alloc();
1531                         op->ora_e = e;
1532                         op->ora_e->e_name = op->o_req_dn;
1533                         op->ora_e->e_nname = op->o_req_ndn;
1534                         freeReqDn = 0;
1535                         rc = slap_mods2entry( modlist, &op->ora_e, 1, 0, &text, txtbuf, textlen);
1536                         if( rc != LDAP_SUCCESS ) {
1537                                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1538                                 "mods2entry (%s)\n",
1539                                         si->si_ridtxt, text, 0 );
1540                         } else {
1541                                 rc = op->o_bd->be_add( op, &rs );
1542                                 Debug( LDAP_DEBUG_SYNC,
1543                                         "syncrepl_message_to_op: %s be_add %s (%d)\n",
1544                                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1545                         }
1546                         if ( e == op->ora_e )
1547                                 be_entry_release_w( op, op->ora_e );
1548                 } else {
1549                         op->orm_modlist = modlist;
1550                         op->o_bd = si->si_wbe;
1551                         rc = op->o_bd->be_modify( op, &rs );
1552                         modlist = op->orm_modlist;
1553                         Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1554                                 "syncrepl_message_to_op: %s be_modify %s (%d)\n",
1555                                 si->si_ridtxt, op->o_req_dn.bv_val, rc );
1556                         op->o_bd = si->si_be;
1557                 }
1558                 break;
1559         case LDAP_REQ_MODRDN:
1560                 if ( BER_BVISNULL( &rdn ) ) goto done;
1561
1562                 if ( rdnPretty( NULL, &rdn, &prdn, NULL ) ) {
1563                         goto done;
1564                 }
1565                 if ( rdnNormalize( 0, NULL, NULL, &rdn, &nrdn, NULL ) ) {
1566                         goto done;
1567                 }
1568                 if ( !BER_BVISNULL( &sup ) ) {
1569                         if ( dnPrettyNormal( NULL, &sup, &psup, &nsup, NULL ) ) {
1570                                 goto done;
1571                         }
1572                         op->orr_newSup = &psup;
1573                         op->orr_nnewSup = &nsup;
1574                 } else {
1575                         op->orr_newSup = NULL;
1576                         op->orr_nnewSup = NULL;
1577                 }
1578                 op->orr_newrdn = prdn;
1579                 op->orr_nnewrdn = nrdn;
1580                 op->orr_deleteoldrdn = deleteOldRdn;
1581                 op->orr_modlist = NULL;
1582                 if ( slap_modrdn2mods( op, &rs ) ) {
1583                         goto done;
1584                 }
1585
1586                 /* Append modlist for operational attrs */
1587                 {
1588                         Modifications *m;
1589
1590                         for ( m = op->orr_modlist; m->sml_next; m = m->sml_next )
1591                                 ;
1592                         m->sml_next = modlist;
1593                         modlist = NULL;
1594                 }
1595                 rc = op->o_bd->be_modrdn( op, &rs );
1596                 slap_mods_free( op->orr_modlist, 1 );
1597                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1598                         "syncrepl_message_to_op: %s be_modrdn %s (%d)\n",
1599                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1600                 break;
1601         case LDAP_REQ_DELETE:
1602                 rc = op->o_bd->be_delete( op, &rs );
1603                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1604                         "syncrepl_message_to_op: %s be_delete %s (%d)\n",
1605                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1606                 break;
1607         }
1608 done:
1609         slap_graduate_commit_csn( op );
1610         op->o_bd = si->si_be;
1611         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
1612         BER_BVZERO( &op->o_csn );
1613         if ( modlist ) {
1614                 slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
1615         }
1616         if ( !BER_BVISNULL( &rdn ) ) {
1617                 if ( !BER_BVISNULL( &nsup ) ) {
1618                         ch_free( nsup.bv_val );
1619                 }
1620                 if ( !BER_BVISNULL( &psup ) ) {
1621                         ch_free( psup.bv_val );
1622                 }
1623                 if ( !BER_BVISNULL( &nrdn ) ) {
1624                         ch_free( nrdn.bv_val );
1625                 }
1626                 if ( !BER_BVISNULL( &prdn ) ) {
1627                         ch_free( prdn.bv_val );
1628                 }
1629         }
1630         if ( freeReqDn ) {
1631                 ch_free( op->o_req_ndn.bv_val );
1632                 ch_free( op->o_req_dn.bv_val );
1633         }
1634         ber_free( ber, 0 );
1635         return rc;
1636 }
1637
1638 static int
1639 syncrepl_message_to_entry(
1640         syncinfo_t      *si,
1641         Operation       *op,
1642         LDAPMessage     *msg,
1643         Modifications   **modlist,
1644         Entry                   **entry,
1645         int             syncstate
1646 )
1647 {
1648         Entry           *e = NULL;
1649         BerElement      *ber = NULL;
1650         Modifications   tmp;
1651         Modifications   *mod;
1652         Modifications   **modtail = modlist;
1653
1654         const char      *text;
1655         char txtbuf[SLAP_TEXT_BUFLEN];
1656         size_t textlen = sizeof txtbuf;
1657
1658         struct berval   bdn = BER_BVNULL, dn, ndn;
1659         int             rc, is_ctx;
1660
1661         *modlist = NULL;
1662
1663         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1664                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s "
1665                         "Message type should be entry (%d)",
1666                         si->si_ridtxt, ldap_msgtype( msg ), 0 );
1667                 return -1;
1668         }
1669
1670         op->o_tag = LDAP_REQ_ADD;
1671
1672         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1673         if ( rc != LDAP_SUCCESS ) {
1674                 Debug( LDAP_DEBUG_ANY,
1675                         "syncrepl_message_to_entry: %s dn get failed (%d)",
1676                         si->si_ridtxt, rc, 0 );
1677                 return rc;
1678         }
1679
1680         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1681                 /* NOTE: this could be done even before decoding the DN,
1682                  * although encoding errors wouldn't be detected */
1683                 rc = LDAP_SUCCESS;
1684                 goto done;
1685         }
1686
1687         if ( entry == NULL ) {
1688                 return -1;
1689         }
1690
1691         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1692         ber_dupbv( &op->o_req_dn, &dn );
1693         ber_dupbv( &op->o_req_ndn, &ndn );
1694         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1695         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1696
1697         is_ctx = dn_match( &op->o_req_ndn, &op->o_bd->be_nsuffix[0] );
1698
1699         e = entry_alloc();
1700         e->e_name = op->o_req_dn;
1701         e->e_nname = op->o_req_ndn;
1702
1703         while ( ber_remaining( ber ) ) {
1704                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1705                         LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) )
1706                 {
1707                         break;
1708                 }
1709
1710                 /* Drop all updates to the contextCSN of the context entry
1711                  * (ITS#4622, etc.)
1712                  */
1713                 if ( is_ctx && !strcasecmp( tmp.sml_type.bv_val,
1714                         slap_schema.si_ad_contextCSN->ad_cname.bv_val )) {
1715                         ber_bvarray_free( tmp.sml_values );
1716                         continue;
1717                 }
1718
1719                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ) );
1720
1721                 mod->sml_op = LDAP_MOD_REPLACE;
1722                 mod->sml_flags = 0;
1723                 mod->sml_next = NULL;
1724                 mod->sml_desc = NULL;
1725                 mod->sml_type = tmp.sml_type;
1726                 mod->sml_values = tmp.sml_values;
1727                 mod->sml_nvalues = NULL;
1728                 mod->sml_numvals = 0;   /* slap_mods_check will set this */
1729
1730                 *modtail = mod;
1731                 modtail = &mod->sml_next;
1732         }
1733
1734         if ( *modlist == NULL ) {
1735                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s no attributes\n",
1736                         si->si_ridtxt, 0, 0 );
1737                 rc = -1;
1738                 goto done;
1739         }
1740
1741         rc = slap_mods_check( op, *modlist, &text, txtbuf, textlen, NULL );
1742
1743         if ( rc != LDAP_SUCCESS ) {
1744                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods check (%s)\n",
1745                         si->si_ridtxt, text, 0 );
1746                 goto done;
1747         }
1748
1749         /* Strip out dynamically generated attrs */
1750         for ( modtail = modlist; *modtail ; ) {
1751                 mod = *modtail;
1752                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1753                         *modtail = mod->sml_next;
1754                         slap_mod_free( &mod->sml_mod, 0 );
1755                         ch_free( mod );
1756                 } else {
1757                         modtail = &mod->sml_next;
1758                 }
1759         }
1760
1761         /* Strip out attrs in exattrs list */
1762         for ( modtail = modlist; *modtail ; ) {
1763                 mod = *modtail;
1764                 if ( ldap_charray_inlist( si->si_exattrs,
1765                         mod->sml_desc->ad_type->sat_cname.bv_val ) )
1766                 {
1767                         *modtail = mod->sml_next;
1768                         slap_mod_free( &mod->sml_mod, 0 );
1769                         ch_free( mod );
1770                 } else {
1771                         modtail = &mod->sml_next;
1772                 }
1773         }
1774
1775         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1776         if( rc != LDAP_SUCCESS ) {
1777                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods2entry (%s)\n",
1778                         si->si_ridtxt, text, 0 );
1779         }
1780
1781 done:
1782         ber_free( ber, 0 );
1783         if ( rc != LDAP_SUCCESS ) {
1784                 if ( e ) {
1785                         entry_free( e );
1786                         e = NULL;
1787                 }
1788         }
1789         if ( entry )
1790                 *entry = e;
1791
1792         return rc;
1793 }
1794
1795 static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
1796
1797 /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
1798  * entry if a previous refresh was interrupted before sending us a new
1799  * context state. We try to compare the new entry to the existing entry
1800  * and ignore the new entry if they are the same.
1801  *
1802  * Also, we may get an update where the entryDN has changed, due to
1803  * a ModDn on the provider. We detect this as well, so we can issue
1804  * the corresponding operation locally.
1805  *
1806  * In the case of a modify, we get a list of all the attributes
1807  * in the original entry. Rather than deleting the entry and re-adding it,
1808  * we issue a Modify request that deletes all the attributes and adds all
1809  * the new ones. This avoids the issue of trying to delete/add a non-leaf
1810  * entry.
1811  *
1812  * We otherwise distinguish ModDN from Modify; in the case of
1813  * a ModDN we just use the CSN, modifyTimestamp and modifiersName
1814  * operational attributes from the entry, and do a regular ModDN.
1815  */
1816 typedef struct dninfo {
1817         Entry *new_entry;
1818         struct berval dn;
1819         struct berval ndn;
1820         int renamed;    /* Was an existing entry renamed? */
1821         int delOldRDN;  /* Was old RDN deleted? */
1822         Modifications **modlist;        /* the modlist we received */
1823         Modifications *mods;    /* the modlist we compared */
1824 } dninfo;
1825
1826 static int
1827 syncrepl_entry(
1828         syncinfo_t* si,
1829         Operation *op,
1830         Entry* entry,
1831         Modifications** modlist,
1832         int syncstate,
1833         struct berval* syncUUID,
1834         struct berval* syncCSN )
1835 {
1836         Backend *be = op->o_bd;
1837         slap_callback   cb = { NULL, NULL, NULL, NULL };
1838         struct berval   *syncuuid_bv = NULL;
1839         struct berval   syncUUID_strrep = BER_BVNULL;
1840
1841         SlapReply       rs_search = {REP_RESULT};
1842         SlapReply       rs_delete = {REP_RESULT};
1843         SlapReply       rs_add = {REP_RESULT};
1844         SlapReply       rs_modify = {REP_RESULT};
1845         Filter f = {0};
1846         AttributeAssertion ava = ATTRIBUTEASSERTION_INIT;
1847         int rc = LDAP_SUCCESS;
1848
1849         struct berval pdn = BER_BVNULL;
1850         dninfo dni = {0};
1851         int     retry = 1;
1852         int     freecsn = 1;
1853
1854         Debug( LDAP_DEBUG_SYNC,
1855                 "syncrepl_entry: %s LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_%s)\n",
1856                 si->si_ridtxt, syncrepl_state2str( syncstate ), 0 );
1857
1858         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD ) ) {
1859                 if ( !si->si_refreshPresent ) {
1860                         syncuuid_bv = ber_dupbv( NULL, syncUUID );
1861                         if ( avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1862                                 syncuuid_cmp, avl_dup_error ) )
1863                         {
1864                                 ber_bvfree( syncuuid_bv );
1865                                 syncuuid_bv = NULL;
1866                         }
1867                 }
1868         }
1869
1870         if ( syncstate == LDAP_SYNC_PRESENT ) {
1871                 return 0;
1872         } else if ( syncstate != LDAP_SYNC_DELETE ) {
1873                 if ( entry == NULL ) {
1874                         return 0;
1875                 }
1876         }
1877
1878         (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1879         if ( syncstate != LDAP_SYNC_DELETE ) {
1880                 Attribute       *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID );
1881
1882                 if ( a == NULL ) {
1883                         /* add if missing */
1884                         attr_merge_one( entry, slap_schema.si_ad_entryUUID,
1885                                 &syncUUID_strrep, syncUUID );
1886
1887                 } else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) {
1888                         /* replace only if necessary */
1889                         if ( a->a_nvals != a->a_vals ) {
1890                                 ber_memfree( a->a_nvals[0].bv_val );
1891                                 ber_dupbv( &a->a_nvals[0], syncUUID );
1892                         }
1893                         ber_memfree( a->a_vals[0].bv_val );
1894                         ber_dupbv( &a->a_vals[0], &syncUUID_strrep );
1895                 }
1896         }
1897
1898         f.f_choice = LDAP_FILTER_EQUALITY;
1899         f.f_ava = &ava;
1900         ava.aa_desc = slap_schema.si_ad_entryUUID;
1901         ava.aa_value = *syncUUID;
1902
1903         if ( syncuuid_bv ) {
1904                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s inserted UUID %s\n",
1905                         si->si_ridtxt, syncUUID_strrep.bv_val, 0 );
1906         }
1907         op->ors_filter = &f;
1908
1909         op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID_strrep.bv_len;
1910         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
1911                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1912         AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) );
1913         AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )],
1914                 syncUUID_strrep.bv_val, syncUUID_strrep.bv_len );
1915         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
1916         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1917
1918         op->o_tag = LDAP_REQ_SEARCH;
1919         op->ors_scope = LDAP_SCOPE_SUBTREE;
1920         op->ors_deref = LDAP_DEREF_NEVER;
1921
1922         /* get the entry for this UUID */
1923         op->o_req_dn = si->si_base;
1924         op->o_req_ndn = si->si_base;
1925
1926         op->o_time = slap_get_time();
1927         op->ors_tlimit = SLAP_NO_LIMIT;
1928         op->ors_slimit = 1;
1929
1930         op->ors_attrs = slap_anlist_all_attributes;
1931         op->ors_attrsonly = 0;
1932
1933         /* set callback function */
1934         op->o_callback = &cb;
1935         cb.sc_response = dn_callback;
1936         cb.sc_private = &dni;
1937         dni.new_entry = entry;
1938         dni.modlist = modlist;
1939
1940         if ( limits_check( op, &rs_search ) == 0 ) {
1941                 rc = be->be_search( op, &rs_search );
1942                 Debug( LDAP_DEBUG_SYNC,
1943                                 "syncrepl_entry: %s be_search (%d)\n",
1944                                 si->si_ridtxt, rc, 0 );
1945         }
1946
1947         if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
1948                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1949         }
1950
1951         cb.sc_response = null_callback;
1952         cb.sc_private = si;
1953
1954         if ( entry && !BER_BVISNULL( &entry->e_name ) ) {
1955                 Debug( LDAP_DEBUG_SYNC,
1956                                 "syncrepl_entry: %s %s\n",
1957                                 si->si_ridtxt, entry->e_name.bv_val, 0 );
1958         } else {
1959                 Debug( LDAP_DEBUG_SYNC,
1960                                 "syncrepl_entry: %s %s\n",
1961                                 si->si_ridtxt, dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0 );
1962         }
1963
1964         assert( BER_BVISNULL( &op->o_csn ) );
1965         if ( syncCSN ) {
1966                 slap_queue_csn( op, syncCSN );
1967         }
1968
1969         slap_op_time( &op->o_time, &op->o_tincr );
1970         switch ( syncstate ) {
1971         case LDAP_SYNC_ADD:
1972         case LDAP_SYNC_MODIFY:
1973                 if ( BER_BVISNULL( &op->o_csn ))
1974                 {
1975
1976                         Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN );
1977                         if ( a ) {
1978                                 /* FIXME: op->o_csn is assumed to be
1979                                  * on the thread's slab; this needs
1980                                  * to be cleared ASAP.
1981                                  * What happens if already present?
1982                                  */
1983                                 assert( BER_BVISNULL( &op->o_csn ) );
1984                                 op->o_csn = a->a_vals[0];
1985                                 freecsn = 0;
1986                         }
1987                 }
1988 retry_add:;
1989                 if ( BER_BVISNULL( &dni.dn ) ) {
1990
1991                         op->o_req_dn = entry->e_name;
1992                         op->o_req_ndn = entry->e_nname;
1993                         op->o_tag = LDAP_REQ_ADD;
1994                         op->ora_e = entry;
1995                         op->o_bd = si->si_wbe;
1996
1997                         rc = op->o_bd->be_add( op, &rs_add );
1998                         Debug( LDAP_DEBUG_SYNC,
1999                                         "syncrepl_entry: %s be_add (%d)\n",
2000                                         si->si_ridtxt, rc, 0 );
2001                         switch ( rs_add.sr_err ) {
2002                         case LDAP_SUCCESS:
2003                                 if ( op->ora_e == entry ) {
2004                                         be_entry_release_w( op, entry );
2005                                 }
2006                                 entry = NULL;
2007                                 break;
2008
2009                         case LDAP_REFERRAL:
2010                         /* we assume that LDAP_NO_SUCH_OBJECT is returned
2011                          * only if the suffix entry is not present */
2012                         case LDAP_NO_SUCH_OBJECT:
2013                                 rc = syncrepl_add_glue( op, entry );
2014                                 entry = NULL;
2015                                 break;
2016
2017                         /* if an entry was added via syncrepl_add_glue(),
2018                          * it likely has no entryUUID, so the previous
2019                          * be_search() doesn't find it.  In this case,
2020                          * give syncrepl a chance to modify it. Also
2021                          * allow for entries that were recreated with the
2022                          * same DN but a different entryUUID.
2023                          */
2024                         case LDAP_ALREADY_EXISTS:
2025                                 if ( retry ) {
2026                                         Operation       op2 = *op;
2027                                         SlapReply       rs2 = { 0 };
2028                                         slap_callback   cb2 = { 0 };
2029
2030                                         op2.o_bd = be;
2031                                         op2.o_tag = LDAP_REQ_SEARCH;
2032                                         op2.o_req_dn = entry->e_name;
2033                                         op2.o_req_ndn = entry->e_nname;
2034                                         op2.ors_scope = LDAP_SCOPE_BASE;
2035                                         op2.ors_deref = LDAP_DEREF_NEVER;
2036                                         op2.ors_attrs = slap_anlist_all_attributes;
2037                                         op2.ors_attrsonly = 0;
2038                                         op2.ors_limit = NULL;
2039                                         op2.ors_slimit = 1;
2040                                         op2.ors_tlimit = SLAP_NO_LIMIT;
2041
2042                                         f.f_choice = LDAP_FILTER_PRESENT;
2043                                         f.f_desc = slap_schema.si_ad_objectClass;
2044                                         op2.ors_filter = &f;
2045                                         op2.ors_filterstr = generic_filterstr;
2046
2047                                         op2.o_callback = &cb2;
2048                                         cb2.sc_response = dn_callback;
2049                                         cb2.sc_private = &dni;
2050
2051                                         rc = be->be_search( &op2, &rs2 );
2052                                         if ( rc ) goto done;
2053
2054                                         retry = 0;
2055                                         slap_op_time( &op->o_time, &op->o_tincr );
2056                                         goto retry_add;
2057                                 }
2058                                 /* FALLTHRU */
2059
2060                         default:
2061                                 Debug( LDAP_DEBUG_ANY,
2062                                         "syncrepl_entry: %s be_add failed (%d)\n",
2063                                         si->si_ridtxt, rs_add.sr_err, 0 );
2064                                 break;
2065                         }
2066                         op->o_bd = be;
2067                         goto done;
2068                 }
2069                 /* FALLTHRU */
2070                 op->o_req_dn = dni.dn;
2071                 op->o_req_ndn = dni.ndn;
2072                 if ( dni.renamed ) {
2073                         struct berval noldp, newp, nnewp;
2074
2075                         op->o_tag = LDAP_REQ_MODRDN;
2076                         dnRdn( &entry->e_name, &op->orr_newrdn );
2077                         dnRdn( &entry->e_nname, &op->orr_nnewrdn );
2078
2079                         dnParent( &dni.ndn, &noldp );
2080                         dnParent( &entry->e_nname, &nnewp );
2081                         if ( !dn_match( &noldp, &nnewp ) ) {
2082                                 dnParent( &entry->e_name, &newp );
2083                                 op->orr_newSup = &newp;
2084                                 op->orr_nnewSup = &nnewp;
2085                         } else {
2086                                 op->orr_newSup = NULL;
2087                                 op->orr_nnewSup = NULL;
2088                         }
2089                         op->orr_deleteoldrdn = dni.delOldRDN;
2090                         op->orr_modlist = NULL;
2091                         if ( ( rc = slap_modrdn2mods( op, &rs_modify ) ) ) {
2092                                 goto done;
2093                         }
2094
2095                         /* RDNs must be NUL-terminated for back-ldap */
2096                         noldp = op->orr_newrdn;
2097                         ber_dupbv_x( &op->orr_newrdn, &noldp, op->o_tmpmemctx );
2098                         noldp = op->orr_nnewrdn;
2099                         ber_dupbv_x( &op->orr_nnewrdn, &noldp, op->o_tmpmemctx );
2100
2101                         /* Setup opattrs too */
2102                         {
2103                                 static AttributeDescription *nullattr = NULL;
2104                                 static AttributeDescription **const opattrs[] = {
2105                                         &slap_schema.si_ad_entryCSN,
2106                                         &slap_schema.si_ad_modifiersName,
2107                                         &slap_schema.si_ad_modifyTimestamp,
2108                                         &nullattr
2109                                 };
2110                                 AttributeDescription *opattr;
2111                                 Modifications *mod, **modtail, **ml;
2112                                 int i;
2113
2114                                 for ( mod = op->orr_modlist;
2115                                         mod->sml_next;
2116                                         mod = mod->sml_next )
2117                                         ;
2118                                 modtail = &mod->sml_next;
2119
2120                                 /* pull mod off incoming modlist, append to orr_modlist */
2121                                 for ( i = 0; (opattr = *opattrs[i]) != NULL; i++ ) {
2122                                         for ( ml = modlist; *ml; ml = &(*ml)->sml_next )
2123                                         {
2124                                                 if ( (*ml)->sml_desc == opattr ) {
2125                                                         mod = *ml;
2126                                                         *ml = mod->sml_next;
2127                                                         mod->sml_next = NULL;
2128                                                         *modtail = mod;
2129                                                         modtail = &mod->sml_next;
2130                                                         break;
2131                                                 }
2132                                         }
2133                                 }
2134                         }
2135                         op->o_bd = si->si_wbe;
2136                         rc = op->o_bd->be_modrdn( op, &rs_modify );
2137                         op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
2138                         op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
2139
2140                         slap_mods_free( op->orr_modlist, 1 );
2141                         Debug( LDAP_DEBUG_SYNC,
2142                                         "syncrepl_entry: %s be_modrdn (%d)\n",
2143                                         si->si_ridtxt, rc, 0 );
2144                         op->o_bd = be;
2145                         goto done;
2146                 }
2147                 if ( dni.mods ) {
2148                         op->o_tag = LDAP_REQ_MODIFY;
2149                         op->orm_modlist = dni.mods;
2150                         op->orm_no_opattrs = 1;
2151                         op->o_bd = si->si_wbe;
2152
2153                         rc = op->o_bd->be_modify( op, &rs_modify );
2154                         slap_mods_free( op->orm_modlist, 1 );
2155                         op->orm_no_opattrs = 0;
2156                         Debug( LDAP_DEBUG_SYNC,
2157                                         "syncrepl_entry: %s be_modify (%d)\n",
2158                                         si->si_ridtxt, rc, 0 );
2159                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
2160                                 Debug( LDAP_DEBUG_ANY,
2161                                         "syncrepl_entry: %s be_modify failed (%d)\n",
2162                                         si->si_ridtxt, rs_modify.sr_err, 0 );
2163                         }
2164                         op->o_bd = be;
2165                 } else {
2166                         Debug( LDAP_DEBUG_SYNC,
2167                                         "syncrepl_entry: %s entry unchanged, ignored (%s)\n",
2168                                         si->si_ridtxt, op->o_req_dn.bv_val, 0 );
2169                 }
2170                 goto done;
2171         case LDAP_SYNC_DELETE :
2172                 if ( !BER_BVISNULL( &dni.dn ) ) {
2173                         op->o_req_dn = dni.dn;
2174                         op->o_req_ndn = dni.ndn;
2175                         op->o_tag = LDAP_REQ_DELETE;
2176                         op->o_bd = si->si_wbe;
2177                         rc = op->o_bd->be_delete( op, &rs_delete );
2178                         Debug( LDAP_DEBUG_SYNC,
2179                                         "syncrepl_entry: %s be_delete (%d)\n",
2180                                         si->si_ridtxt, rc, 0 );
2181
2182                         while ( rs_delete.sr_err == LDAP_SUCCESS
2183                                 && op->o_delete_glue_parent ) {
2184                                 op->o_delete_glue_parent = 0;
2185                                 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2186                                         slap_callback cb = { NULL };
2187                                         cb.sc_response = slap_null_cb;
2188                                         dnParent( &op->o_req_ndn, &pdn );
2189                                         op->o_req_dn = pdn;
2190                                         op->o_req_ndn = pdn;
2191                                         op->o_callback = &cb;
2192                                         op->o_bd->be_delete( op, &rs_delete );
2193                                 } else {
2194                                         break;
2195                                 }
2196                         }
2197                         op->o_bd = be;
2198                 }
2199                 goto done;
2200
2201         default :
2202                 Debug( LDAP_DEBUG_ANY,
2203                         "syncrepl_entry: %s unknown syncstate\n", si->si_ridtxt, 0, 0 );
2204                 goto done;
2205         }
2206
2207 done:
2208         if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
2209                 slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
2210                 BER_BVZERO( &syncUUID_strrep );
2211         }
2212         if ( !BER_BVISNULL( &dni.ndn ) ) {
2213                 op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
2214         }
2215         if ( !BER_BVISNULL( &dni.dn ) ) {
2216                 op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
2217         }
2218         if ( entry ) {
2219                 entry_free( entry );
2220         }
2221         if ( syncCSN ) {
2222                 slap_graduate_commit_csn( op );
2223         }
2224         if ( !BER_BVISNULL( &op->o_csn ) && freecsn ) {
2225                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2226         }
2227         BER_BVZERO( &op->o_csn );
2228         return rc;
2229 }
2230
2231 static struct berval gcbva[] = {
2232         BER_BVC("top"),
2233         BER_BVC("glue"),
2234         BER_BVNULL
2235 };
2236
2237 #define NP_DELETE_ONE   2
2238
2239 static void
2240 syncrepl_del_nonpresent(
2241         Operation *op,
2242         syncinfo_t *si,
2243         BerVarray uuids,
2244         struct berval *cookiecsn )
2245 {
2246         Backend* be = op->o_bd;
2247         slap_callback   cb = { NULL };
2248         SlapReply       rs_search = {REP_RESULT};
2249         SlapReply       rs_delete = {REP_RESULT};
2250         SlapReply       rs_modify = {REP_RESULT};
2251         struct nonpresent_entry *np_list, *np_prev;
2252         int rc;
2253         AttributeName   an[2];
2254
2255         struct berval pdn = BER_BVNULL;
2256         struct berval csn;
2257
2258         op->o_req_dn = si->si_base;
2259         op->o_req_ndn = si->si_base;
2260
2261         cb.sc_response = nonpresent_callback;
2262         cb.sc_private = si;
2263
2264         op->o_callback = &cb;
2265         op->o_tag = LDAP_REQ_SEARCH;
2266         op->ors_scope = si->si_scope;
2267         op->ors_deref = LDAP_DEREF_NEVER;
2268         op->o_time = slap_get_time();
2269         op->ors_tlimit = SLAP_NO_LIMIT;
2270
2271
2272         if ( uuids ) {
2273                 Filter uf;
2274                 AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;
2275                 int i;
2276
2277                 op->ors_attrsonly = 1;
2278                 op->ors_attrs = slap_anlist_no_attrs;
2279                 op->ors_limit = NULL;
2280                 op->ors_filter = &uf;
2281
2282                 uf.f_ava = &eq;
2283                 uf.f_av_desc = slap_schema.si_ad_entryUUID;
2284                 uf.f_next = NULL;
2285                 uf.f_choice = LDAP_FILTER_EQUALITY;
2286                 si->si_refreshDelete |= NP_DELETE_ONE;
2287
2288                 for (i=0; uuids[i].bv_val; i++) {
2289                         op->ors_slimit = 1;
2290                         slap_uuidstr_from_normalized( &uf.f_av_value, &uuids[i],
2291                                 op->o_tmpmemctx );
2292                         filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2293                         op->o_tmpfree( uf.f_av_value.bv_val, op->o_tmpmemctx );
2294                         uf.f_av_value = uuids[i];
2295                         rc = be->be_search( op, &rs_search );
2296                         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2297                 }
2298                 si->si_refreshDelete ^= NP_DELETE_ONE;
2299         } else {
2300                 memset( &an[0], 0, 2 * sizeof( AttributeName ) );
2301                 an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
2302                 an[0].an_desc = slap_schema.si_ad_entryUUID;
2303                 op->ors_attrs = an;
2304                 op->ors_slimit = SLAP_NO_LIMIT;
2305                 op->ors_attrsonly = 0;
2306                 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
2307                 op->ors_filterstr = si->si_filterstr;
2308                 op->o_nocaching = 1;
2309
2310                 if ( limits_check( op, &rs_search ) == 0 ) {
2311                         rc = be->be_search( op, &rs_search );
2312                 }
2313                 if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
2314         }
2315
2316         op->o_nocaching = 0;
2317
2318         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
2319
2320                 if ( cookiecsn && !BER_BVISNULL( cookiecsn ) ) {
2321                         csn = *cookiecsn;
2322                 } else {
2323                         csn = si->si_syncCookie.ctxcsn[0];
2324                 }
2325
2326                 op->o_bd = si->si_wbe;
2327                 slap_queue_csn( op, &csn );
2328
2329                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
2330                 while ( np_list != NULL ) {
2331                         LDAP_LIST_REMOVE( np_list, npe_link );
2332                         np_prev = np_list;
2333                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
2334                         op->o_tag = LDAP_REQ_DELETE;
2335                         op->o_callback = &cb;
2336                         cb.sc_response = null_callback;
2337                         cb.sc_private = si;
2338                         op->o_req_dn = *np_prev->npe_name;
2339                         op->o_req_ndn = *np_prev->npe_nname;
2340                         rc = op->o_bd->be_delete( op, &rs_delete );
2341                         Debug( LDAP_DEBUG_SYNC,
2342                                 "syncrepl_del_nonpresent: %s be_delete %s (%d)\n",
2343                                 si->si_ridtxt, op->o_req_dn.bv_val, rc );
2344
2345                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
2346                                 Modifications mod1, mod2;
2347                                 mod1.sml_op = LDAP_MOD_REPLACE;
2348                                 mod1.sml_flags = 0;
2349                                 mod1.sml_desc = slap_schema.si_ad_objectClass;
2350                                 mod1.sml_type = mod1.sml_desc->ad_cname;
2351                                 mod1.sml_numvals = 2;
2352                                 mod1.sml_values = &gcbva[0];
2353                                 mod1.sml_nvalues = NULL;
2354                                 mod1.sml_next = &mod2;
2355
2356                                 mod2.sml_op = LDAP_MOD_REPLACE;
2357                                 mod2.sml_flags = 0;
2358                                 mod2.sml_desc = slap_schema.si_ad_structuralObjectClass;
2359                                 mod2.sml_type = mod2.sml_desc->ad_cname;
2360                                 mod1.sml_numvals = 1;
2361                                 mod2.sml_values = &gcbva[1];
2362                                 mod2.sml_nvalues = NULL;
2363                                 mod2.sml_next = NULL;
2364
2365                                 op->o_tag = LDAP_REQ_MODIFY;
2366                                 op->orm_modlist = &mod1;
2367
2368                                 rc = op->o_bd->be_modify( op, &rs_modify );
2369                                 if ( mod2.sml_next ) slap_mods_free( mod2.sml_next, 1 );
2370                         }
2371
2372                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
2373                                         op->o_delete_glue_parent ) {
2374                                 op->o_delete_glue_parent = 0;
2375                                 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2376                                         slap_callback cb = { NULL };
2377                                         cb.sc_response = slap_null_cb;
2378                                         dnParent( &op->o_req_ndn, &pdn );
2379                                         op->o_req_dn = pdn;
2380                                         op->o_req_ndn = pdn;
2381                                         op->o_callback = &cb;
2382                                         /* give it a root privil ? */
2383                                         op->o_bd->be_delete( op, &rs_delete );
2384                                 } else {
2385                                         break;
2386                                 }
2387                         }
2388
2389                         op->o_delete_glue_parent = 0;
2390
2391                         ber_bvfree( np_prev->npe_name );
2392                         ber_bvfree( np_prev->npe_nname );
2393                         ch_free( np_prev );
2394
2395                         if ( slapd_shutdown ) {
2396                                 break;
2397                         }
2398                 }
2399
2400                 slap_graduate_commit_csn( op );
2401                 op->o_bd = be;
2402
2403                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2404                 BER_BVZERO( &op->o_csn );
2405         }
2406
2407         return;
2408 }
2409
2410 int
2411 syncrepl_add_glue(
2412         Operation* op,
2413         Entry *e )
2414 {
2415         Backend *be = op->o_bd;
2416         slap_callback cb = { NULL };
2417         Attribute       *a;
2418         int     rc;
2419         int suffrdns;
2420         int i;
2421         struct berval dn = BER_BVNULL;
2422         struct berval ndn = BER_BVNULL;
2423         Entry   *glue;
2424         SlapReply       rs_add = {REP_RESULT};
2425         struct berval   ptr, nptr;
2426         char            *comma;
2427
2428         op->o_tag = LDAP_REQ_ADD;
2429         op->o_callback = &cb;
2430         cb.sc_response = null_callback;
2431         cb.sc_private = NULL;
2432
2433         dn = e->e_name;
2434         ndn = e->e_nname;
2435
2436         /* count RDNs in suffix */
2437         if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
2438                 for ( i = 0, ptr = be->be_nsuffix[0], comma = ptr.bv_val; comma != NULL; comma = ber_bvchr( &ptr, ',' ) ) {
2439                         comma++;
2440                         ptr.bv_len -= comma - ptr.bv_val;
2441                         ptr.bv_val = comma;
2442                         i++;
2443                 }
2444                 suffrdns = i;
2445         } else {
2446                 /* suffix is "" */
2447                 suffrdns = 0;
2448         }
2449
2450         /* Start with BE suffix */
2451         ptr = dn;
2452         for ( i = 0; i < suffrdns; i++ ) {
2453                 comma = ber_bvrchr( &ptr, ',' );
2454                 if ( comma != NULL ) {
2455                         ptr.bv_len = comma - ptr.bv_val;
2456                 } else {
2457                         ptr.bv_len = 0;
2458                         break;
2459                 }
2460         }
2461
2462         if ( !BER_BVISEMPTY( &ptr ) ) {
2463                 dn.bv_len -= ptr.bv_len + 1;
2464                 dn.bv_val += ptr.bv_len + 1;
2465         }
2466
2467         /* the normalizedDNs are always the same length, no counting
2468          * required.
2469          */
2470         nptr = ndn;
2471         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
2472                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
2473                 ndn.bv_len = be->be_nsuffix[0].bv_len;
2474
2475                 nptr.bv_len = ndn.bv_val - nptr.bv_val - 1;
2476
2477         } else {
2478                 nptr.bv_len = 0;
2479         }
2480
2481         while ( ndn.bv_val > e->e_nname.bv_val ) {
2482                 glue = entry_alloc();
2483                 ber_dupbv( &glue->e_name, &dn );
2484                 ber_dupbv( &glue->e_nname, &ndn );
2485
2486                 a = attr_alloc( slap_schema.si_ad_objectClass );
2487
2488                 a->a_numvals = 2;
2489                 a->a_vals = ch_calloc( 3, sizeof( struct berval ) );
2490                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
2491                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
2492                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
2493
2494                 a->a_nvals = a->a_vals;
2495
2496                 a->a_next = glue->e_attrs;
2497                 glue->e_attrs = a;
2498
2499                 a = attr_alloc( slap_schema.si_ad_structuralObjectClass );
2500
2501                 a->a_numvals = 1;
2502                 a->a_vals = ch_calloc( 2, sizeof( struct berval ) );
2503                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
2504                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
2505
2506                 a->a_nvals = a->a_vals;
2507
2508                 a->a_next = glue->e_attrs;
2509                 glue->e_attrs = a;
2510
2511                 op->o_req_dn = glue->e_name;
2512                 op->o_req_ndn = glue->e_nname;
2513                 op->ora_e = glue;
2514                 rc = be->be_add ( op, &rs_add );
2515                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
2516                         if ( op->ora_e == glue )
2517                                 be_entry_release_w( op, glue );
2518                 } else {
2519                 /* incl. ALREADY EXIST */
2520                         entry_free( glue );
2521                         if ( rs_add.sr_err != LDAP_ALREADY_EXISTS ) {
2522                                 entry_free( e );
2523                                 return rc;
2524                         }
2525                 }
2526
2527                 /* Move to next child */
2528                 comma = ber_bvrchr( &ptr, ',' );
2529                 if ( comma == NULL ) {
2530                         break;
2531                 }
2532                 ptr.bv_len = comma - ptr.bv_val;
2533
2534                 dn.bv_val = ++comma;
2535                 dn.bv_len = e->e_name.bv_len - (dn.bv_val - e->e_name.bv_val);
2536
2537                 comma = ber_bvrchr( &nptr, ',' );
2538                 assert( comma != NULL );
2539                 nptr.bv_len = comma - nptr.bv_val;
2540
2541                 ndn.bv_val = ++comma;
2542                 ndn.bv_len = e->e_nname.bv_len - (ndn.bv_val - e->e_nname.bv_val);
2543         }
2544
2545         op->o_req_dn = e->e_name;
2546         op->o_req_ndn = e->e_nname;
2547         op->ora_e = e;
2548         rc = be->be_add ( op, &rs_add );
2549         if ( rs_add.sr_err == LDAP_SUCCESS ) {
2550                 if ( op->ora_e == e )
2551                         be_entry_release_w( op, e );
2552         } else {
2553                 entry_free( e );
2554         }
2555
2556         return rc;
2557 }
2558
2559 static int
2560 syncrepl_updateCookie(
2561         syncinfo_t *si,
2562         Operation *op,
2563         struct berval *pdn,
2564         struct sync_cookie *syncCookie )
2565 {
2566         Backend *be = op->o_bd;
2567         Modifications mod[2];
2568         struct berval first = BER_BVNULL;
2569
2570         int rc, i, j, len;
2571
2572         slap_callback cb = { NULL };
2573         SlapReply       rs_modify = {REP_RESULT};
2574
2575         mod[0].sml_op = LDAP_MOD_DELETE;
2576         mod[0].sml_desc = slap_schema.si_ad_contextCSN;
2577         mod[0].sml_type = mod[0].sml_desc->ad_cname;
2578         mod[0].sml_values = NULL;
2579         mod[0].sml_nvalues = NULL;
2580         mod[0].sml_numvals = 0;
2581         mod[0].sml_next = &mod[1];
2582
2583         mod[1].sml_op = LDAP_MOD_ADD;
2584         mod[1].sml_desc = slap_schema.si_ad_contextCSN;
2585         mod[1].sml_type = mod[0].sml_desc->ad_cname;
2586         mod[1].sml_values = NULL;
2587         mod[1].sml_nvalues = NULL;
2588         mod[1].sml_numvals = 0;
2589         mod[1].sml_next = NULL;
2590
2591         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
2592
2593         for ( i=0; i<syncCookie->numcsns; i++ ) {
2594                 for ( j=0; j<si->si_cookieState->cs_num; j++ ) {
2595                         if ( syncCookie->sids[i] != si->si_cookieState->cs_sids[j] )
2596                                 continue;
2597                         len = syncCookie->ctxcsn[i].bv_len;
2598                         if ( len > si->si_cookieState->cs_vals[j].bv_len )
2599                                 len = si->si_cookieState->cs_vals[j].bv_len;
2600                         if ( memcmp( syncCookie->ctxcsn[i].bv_val,
2601                                 si->si_cookieState->cs_vals[j].bv_val, len ) > 0 ) {
2602                                 ber_bvarray_add_x( &mod[0].sml_values,
2603                                         &si->si_cookieState->cs_vals[j], op->o_tmpmemctx );
2604                                 mod[0].sml_numvals++;
2605                                 ber_bvarray_add_x( &mod[1].sml_values,
2606                                         &syncCookie->ctxcsn[i], op->o_tmpmemctx );
2607                                 mod[1].sml_numvals++;
2608                                 if ( BER_BVISNULL( &first ))
2609                                         first = syncCookie->ctxcsn[i];
2610                         }
2611                         break;
2612                 }
2613                 /* there was no match for this SID, it's a new CSN */
2614                 if ( j == si->si_cookieState->cs_num ) {
2615                         ber_bvarray_add_x( &mod[1].sml_values,
2616                                 &syncCookie->ctxcsn[i], op->o_tmpmemctx );
2617                         mod[1].sml_numvals++;
2618                         if ( BER_BVISNULL( &first ))
2619                                 first = syncCookie->ctxcsn[i];
2620                 }
2621         }
2622         /* Should never happen, ITS#5065 */
2623         if ( BER_BVISNULL( &first )) {
2624                 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
2625                 return 0;
2626         }
2627         op->o_bd = si->si_wbe;
2628         slap_queue_csn( op, &first );
2629
2630         op->o_tag = LDAP_REQ_MODIFY;
2631
2632         cb.sc_response = null_callback;
2633         cb.sc_private = si;
2634
2635         op->o_callback = &cb;
2636         op->o_req_dn = op->o_bd->be_suffix[0];
2637         op->o_req_ndn = op->o_bd->be_nsuffix[0];
2638
2639         /* update contextCSN */
2640         op->o_msgid = SLAP_SYNC_UPDATE_MSGID;
2641
2642         if ( mod[0].sml_values )
2643                 op->orm_modlist = mod;
2644         else
2645                 op->orm_modlist = &mod[1];
2646
2647         op->orm_no_opattrs = 1;
2648         rc = op->o_bd->be_modify( op, &rs_modify );
2649         op->orm_no_opattrs = 0;
2650         op->o_msgid = 0;
2651
2652         if ( rs_modify.sr_err == LDAP_SUCCESS ) {
2653                 slap_sync_cookie_free( &si->si_syncCookie, 0 );
2654                 slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
2655                 /* If we replaced any old values */
2656                 if ( mod[0].sml_values ) {
2657                         for ( i=0; !BER_BVISNULL( &mod[0].sml_values[i] ); i++ ) {
2658                                 for ( j=0; j<si->si_cookieState->cs_num; j++ ) {
2659                                         if ( mod[0].sml_values[i].bv_val !=
2660                                                 si->si_cookieState->cs_vals[j].bv_val )
2661                                                 continue;
2662                                         ber_bvreplace( &si->si_cookieState->cs_vals[j],
2663                                                 &mod[1].sml_values[i] );
2664                                         break;
2665                                 }
2666                         }
2667                 } else {
2668                         /* Else we just added */
2669                         si->si_cookieState->cs_num += syncCookie->numcsns;
2670                         value_add( &si->si_cookieState->cs_vals, syncCookie->ctxcsn );
2671                         free( si->si_cookieState->cs_sids );
2672                         si->si_cookieState->cs_sids = slap_parse_csn_sids(
2673                                 si->si_cookieState->cs_vals, si->si_cookieState->cs_num, NULL );
2674                 }
2675
2676                 si->si_cookieState->cs_age++;
2677                 si->si_cookieAge = si->si_cookieState->cs_age;
2678         } else {
2679                 Debug( LDAP_DEBUG_ANY,
2680                         "syncrepl_updateCookie: %s be_modify failed (%d)\n",
2681                         si->si_ridtxt, rs_modify.sr_err, 0 );
2682         }
2683         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
2684
2685         slap_graduate_commit_csn( op );
2686         op->o_bd = be;
2687         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2688         BER_BVZERO( &op->o_csn );
2689         if ( mod[1].sml_next ) slap_mods_free( mod[1].sml_next, 1 );
2690         op->o_tmpfree( mod[1].sml_values, op->o_tmpmemctx );
2691         op->o_tmpfree( mod[0].sml_values, op->o_tmpmemctx );
2692
2693         return rc;
2694 }
2695
2696 static void
2697 attr_cmp( Operation *op, Attribute *old, Attribute *new,
2698         Modifications ***mret, Modifications ***mcur )
2699 {
2700         int i, j;
2701         Modifications *mod, **modtail;
2702
2703         modtail = *mret;
2704
2705         if ( old ) {
2706                 int n, o, nn, no;
2707                 struct berval **adds, **dels;
2708                 /* count old and new */
2709                 for ( o=0; old->a_vals[o].bv_val; o++ ) ;
2710                 for ( n=0; new->a_vals[n].bv_val; n++ ) ;
2711
2712                 /* there MUST be both old and new values */
2713                 assert( o != 0 );
2714                 assert( n != 0 );
2715                 j = 0;
2716
2717                 adds = op->o_tmpalloc( sizeof(struct berval *) * n, op->o_tmpmemctx );
2718                 dels = op->o_tmpalloc( sizeof(struct berval *) * o, op->o_tmpmemctx );
2719
2720                 for ( i=0; i<o; i++ ) dels[i] = &old->a_vals[i];
2721                 for ( i=0; i<n; i++ ) adds[i] = &new->a_vals[i];
2722
2723                 nn = n; no = o;
2724
2725                 for ( i=0; i<o; i++ ) {
2726                         for ( j=0; j<n; j++ ) {
2727                                 if ( !adds[j] )
2728                                         continue;
2729                                 if ( bvmatch( dels[i], adds[j] ) ) {
2730                                         no--;
2731                                         nn--;
2732                                         adds[j] = NULL;
2733                                         dels[i] = NULL;
2734                                         break;
2735                                 }
2736                         }
2737                 }
2738
2739                 i = j;
2740                 /* all old values were deleted, just use the replace op */
2741                 if ( no == o ) {
2742                         i = j-1;
2743                 } else if ( no ) {
2744                 /* delete some values */
2745                         mod = ch_malloc( sizeof( Modifications ) );
2746                         mod->sml_op = LDAP_MOD_DELETE;
2747                         mod->sml_flags = 0;
2748                         mod->sml_desc = old->a_desc;
2749                         mod->sml_type = mod->sml_desc->ad_cname;
2750                         mod->sml_numvals = no;
2751                         mod->sml_values = ch_malloc( ( no + 1 ) * sizeof(struct berval) );
2752                         if ( old->a_vals != old->a_nvals ) {
2753                                 mod->sml_nvalues = ch_malloc( ( no + 1 ) * sizeof(struct berval) );
2754                         } else {
2755                                 mod->sml_nvalues = NULL;
2756                         }
2757                         j = 0;
2758                         for ( i = 0; i < o; i++ ) {
2759                                 if ( !dels[i] ) continue;
2760                                 ber_dupbv( &mod->sml_values[j], &old->a_vals[i] );
2761                                 if ( mod->sml_nvalues ) {
2762                                         ber_dupbv( &mod->sml_nvalues[j], &old->a_nvals[i] );
2763                                 }
2764                                 j++;
2765                         }
2766                         BER_BVZERO( &mod->sml_values[j] );
2767                         if ( mod->sml_nvalues ) {
2768                                 BER_BVZERO( &mod->sml_nvalues[j] );
2769                         }
2770                         *modtail = mod;
2771                         modtail = &mod->sml_next;
2772                         i = j;
2773                 }
2774                 op->o_tmpfree( dels, op->o_tmpmemctx );
2775                 /* some values were added */
2776                 if ( nn && no < o ) {
2777                         mod = ch_malloc( sizeof( Modifications ) );
2778                         mod->sml_op = LDAP_MOD_ADD;
2779                         mod->sml_flags = 0;
2780                         mod->sml_desc = old->a_desc;
2781                         mod->sml_type = mod->sml_desc->ad_cname;
2782                         mod->sml_numvals = nn;
2783                         mod->sml_values = ch_malloc( ( nn + 1 ) * sizeof(struct berval) );
2784                         if ( old->a_vals != old->a_nvals ) {
2785                                 mod->sml_nvalues = ch_malloc( ( nn + 1 ) * sizeof(struct berval) );
2786                         } else {
2787                                 mod->sml_nvalues = NULL;
2788                         }
2789                         j = 0;
2790                         for ( i = 0; i < n; i++ ) {
2791                                 if ( !adds[i] ) continue;
2792                                 ber_dupbv( &mod->sml_values[j], &new->a_vals[i] );
2793                                 if ( mod->sml_nvalues ) {
2794                                         ber_dupbv( &mod->sml_nvalues[j], &new->a_nvals[i] );
2795                                 }
2796                                 j++;
2797                         }
2798                         BER_BVZERO( &mod->sml_values[j] );
2799                         if ( mod->sml_nvalues ) {
2800                                 BER_BVZERO( &mod->sml_nvalues[j] );
2801                         }
2802                         *modtail = mod;
2803                         modtail = &mod->sml_next;
2804                         i = j;
2805                 }
2806                 op->o_tmpfree( adds, op->o_tmpmemctx );
2807         } else {
2808                 /* new attr, just use the new mod */
2809                 i = 0;
2810                 j = 1;
2811         }
2812         /* advance to next element */
2813         mod = **mcur;
2814         if ( mod ) {
2815                 if ( i != j ) {
2816                         **mcur = mod->sml_next;
2817                         *modtail = mod;
2818                         modtail = &mod->sml_next;
2819                 } else {
2820                         *mcur = &mod->sml_next;
2821                 }
2822         }
2823         *mret = modtail;
2824 }
2825
2826 static int
2827 dn_callback(
2828         Operation*      op,
2829         SlapReply*      rs )
2830 {
2831         dninfo *dni = op->o_callback->sc_private;
2832
2833         if ( rs->sr_type == REP_SEARCH ) {
2834                 if ( !BER_BVISNULL( &dni->dn ) ) {
2835                         Debug( LDAP_DEBUG_ANY,
2836                                 "dn_callback : consistency error - "
2837                                 "entryUUID is not unique\n", 0, 0, 0 );
2838                 } else {
2839                         ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
2840                         ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
2841                         /* If there is a new entry, see if it differs from the old.
2842                          * We compare the non-normalized values so that cosmetic changes
2843                          * in the provider are always propagated.
2844                          */
2845                         if ( dni->new_entry ) {
2846                                 Modifications **modtail, **ml;
2847                                 Attribute *old, *new;
2848                                 int is_ctx;
2849
2850                                 is_ctx = dn_match( &rs->sr_entry->e_nname,
2851                                         &op->o_bd->be_nsuffix[0] );
2852
2853                                 /* Did the DN change?
2854                                  */
2855                                 if ( !dn_match( &rs->sr_entry->e_name,
2856                                                 &dni->new_entry->e_name ) )
2857                                 {
2858                                         struct berval oldRDN, oldVal;
2859                                         AttributeDescription *ad = NULL;
2860                                         Attribute *a;
2861
2862                                         dni->renamed = 1;
2863                                         /* See if the oldRDN was deleted */
2864                                         dnRdn( &rs->sr_entry->e_nname, &oldRDN );
2865                                         oldVal.bv_val = strchr(oldRDN.bv_val, '=') + 1;
2866                                         oldVal.bv_len = oldRDN.bv_len - ( oldVal.bv_val -
2867                                                 oldRDN.bv_val );
2868                                         oldRDN.bv_len -= oldVal.bv_len + 2;
2869                                         slap_bv2ad( &oldRDN, &ad, &rs->sr_text );
2870                                         a = attr_find( dni->new_entry->e_attrs, ad );
2871                                         if ( !a || attr_valfind( a,
2872                                                 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH |
2873                                                 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
2874                                                 SLAP_MR_VALUE_OF_SYNTAX,
2875                                                 &oldVal, NULL, op->o_tmpmemctx ) != LDAP_SUCCESS )
2876                                         {
2877                                                 dni->delOldRDN = 1;
2878                                         }
2879                                         /* OK, this was just a modDN, we're done */
2880                                         return LDAP_SUCCESS;
2881                                 }
2882
2883                                 modtail = &dni->mods;
2884                                 ml = dni->modlist;
2885
2886                                 /* Make sure new entry is actually newer than old entry */
2887                                 old = attr_find( rs->sr_entry->e_attrs,
2888                                         slap_schema.si_ad_entryCSN );
2889                                 new = attr_find( dni->new_entry->e_attrs,
2890                                         slap_schema.si_ad_entryCSN );
2891                                 if ( new && old ) {
2892                                         int rc, len = old->a_vals[0].bv_len;
2893                                         if ( len > new->a_vals[0].bv_len )
2894                                                 len = new->a_vals[0].bv_len;
2895                                         rc = memcmp( old->a_vals[0].bv_val,
2896                                                 new->a_vals[0].bv_val, len );
2897                                         if ( rc > 0 ) {
2898                                                 Debug( LDAP_DEBUG_SYNC,
2899                                                         "dn_callback : new entry is older than ours "
2900                                                         "%s ours %s, new %s\n",
2901                                                         rs->sr_entry->e_name.bv_val,
2902                                                         old->a_vals[0].bv_val,
2903                                                         new->a_vals[0].bv_val );
2904                                                 return LDAP_SUCCESS;
2905                                         } else if ( rc == 0 ) {
2906                                                 Debug( LDAP_DEBUG_SYNC,
2907                                                         "dn_callback : entries have identical CSN "
2908                                                         "%s ours %s, new %s\n",
2909                                                         rs->sr_entry->e_name.bv_val,
2910                                                         old->a_vals[0].bv_val,
2911                                                         new->a_vals[0].bv_val );
2912                                                 return LDAP_SUCCESS;
2913                                         }
2914                                 }
2915
2916                                 /* We assume that attributes are saved in the same order
2917                                  * in the remote and local databases. So if we walk through
2918                                  * the attributeDescriptions one by one they should match in
2919                                  * lock step. If not, look for an add or delete.
2920                                  */
2921                                 for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
2922                                                 old && new; )
2923                                 {
2924                                         /* If we've seen this before, use its mod now */
2925                                         if ( new->a_flags & SLAP_ATTR_IXADD ) {
2926                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2927                                                 new = new->a_next;
2928                                                 continue;
2929                                         }
2930                                         /* Skip contextCSN */
2931                                         if ( is_ctx && old->a_desc ==
2932                                                 slap_schema.si_ad_contextCSN ) {
2933                                                 old = old->a_next;
2934                                                 continue;
2935                                         }
2936
2937                                         if ( old->a_desc != new->a_desc ) {
2938                                                 Modifications *mod;
2939                                                 Attribute *tmp;
2940
2941                                                 /* If it's just been re-added later,
2942                                                  * remember that we've seen it.
2943                                                  */
2944                                                 tmp = attr_find( new, old->a_desc );
2945                                                 if ( tmp ) {
2946                                                         tmp->a_flags |= SLAP_ATTR_IXADD;
2947                                                 } else {
2948                                                         /* If it's a new attribute, pull it in.
2949                                                          */
2950                                                         tmp = attr_find( old, new->a_desc );
2951                                                         if ( !tmp ) {
2952                                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2953                                                                 new = new->a_next;
2954                                                                 continue;
2955                                                         }
2956                                                         /* Delete old attr */
2957                                                         mod = ch_malloc( sizeof( Modifications ) );
2958                                                         mod->sml_op = LDAP_MOD_DELETE;
2959                                                         mod->sml_flags = 0;
2960                                                         mod->sml_desc = old->a_desc;
2961                                                         mod->sml_type = mod->sml_desc->ad_cname;
2962                                                         mod->sml_numvals = 0;
2963                                                         mod->sml_values = NULL;
2964                                                         mod->sml_nvalues = NULL;
2965                                                         *modtail = mod;
2966                                                         modtail = &mod->sml_next;
2967                                                 }
2968                                                 old = old->a_next;
2969                                                 continue;
2970                                         }
2971                                         /* kludge - always update modifiersName so that it
2972                                          * stays co-located with the other mod opattrs. But only
2973                                          * if we know there are other valid mods.
2974                                          */
2975                                         if ( old->a_desc == slap_schema.si_ad_modifiersName &&
2976                                                 dni->mods )
2977                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2978                                         else
2979                                                 attr_cmp( op, old, new, &modtail, &ml );
2980                                         new = new->a_next;
2981                                         old = old->a_next;
2982                                 }
2983                                 *modtail = *ml;
2984                                 *ml = NULL;
2985                         }
2986                 }
2987         } else if ( rs->sr_type == REP_RESULT ) {
2988                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
2989                         Debug( LDAP_DEBUG_ANY,
2990                                 "dn_callback : consistency error - "
2991                                 "entryUUID is not unique\n", 0, 0, 0 );
2992                 }
2993         }
2994
2995         return LDAP_SUCCESS;
2996 }
2997
2998 static int
2999 nonpresent_callback(
3000         Operation*      op,
3001         SlapReply*      rs )
3002 {
3003         syncinfo_t *si = op->o_callback->sc_private;
3004         Attribute *a;
3005         int count = 0;
3006         struct berval* present_uuid = NULL;
3007         struct nonpresent_entry *np_entry;
3008
3009         if ( rs->sr_type == REP_RESULT ) {
3010                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
3011                 si->si_presentlist = NULL;
3012
3013         } else if ( rs->sr_type == REP_SEARCH ) {
3014                 if ( !( si->si_refreshDelete & NP_DELETE_ONE ) ) {
3015                         char buf[sizeof("rid=000 not")];
3016
3017                         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
3018
3019                         if ( a ) {
3020                                 present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
3021                                         syncuuid_cmp );
3022                         }
3023
3024                         if ( slap_debug & LDAP_DEBUG_SYNC ) {
3025                                 sprintf( buf, "%s %s", si->si_ridtxt,
3026                                         present_uuid ? "got" : "not" );
3027                         }
3028
3029                         Debug( LDAP_DEBUG_SYNC, "nonpresent_callback: %s UUID %s, dn %s\n",
3030                                 buf, a ? a->a_vals[0].bv_val : "<missing>", rs->sr_entry->e_name.bv_val );
3031
3032                         if ( a == NULL ) return 0;
3033                 }
3034
3035                 if ( present_uuid == NULL ) {
3036                         np_entry = (struct nonpresent_entry *)
3037                                 ch_calloc( 1, sizeof( struct nonpresent_entry ) );
3038                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
3039                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
3040                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
3041
3042                 } else {
3043                         avl_delete( &si->si_presentlist,
3044                                         &a->a_nvals[0], syncuuid_cmp );
3045                         ch_free( present_uuid->bv_val );
3046                         ch_free( present_uuid );
3047                 }
3048         }
3049         return LDAP_SUCCESS;
3050 }
3051
3052 static int
3053 null_callback(
3054         Operation*      op,
3055         SlapReply*      rs )
3056 {
3057         if ( rs->sr_err != LDAP_SUCCESS &&
3058                 rs->sr_err != LDAP_REFERRAL &&
3059                 rs->sr_err != LDAP_ALREADY_EXISTS &&
3060                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
3061                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
3062         {
3063                 Debug( LDAP_DEBUG_ANY,
3064                         "null_callback : error code 0x%x\n",
3065                         rs->sr_err, 0, 0 );
3066         }
3067         return LDAP_SUCCESS;
3068 }
3069
3070 static struct berval *
3071 slap_uuidstr_from_normalized(
3072         struct berval* uuidstr,
3073         struct berval* normalized,
3074         void *ctx )
3075 {
3076 #if 0
3077         struct berval *new;
3078         unsigned char nibble;
3079         int i, d = 0;
3080
3081         if ( normalized == NULL ) return NULL;
3082         if ( normalized->bv_len != 16 ) return NULL;
3083
3084         if ( uuidstr ) {
3085                 new = uuidstr;
3086         } else {
3087                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3088                 if ( new == NULL ) {
3089                         return NULL;
3090                 }
3091         }
3092
3093         new->bv_len = 36;
3094
3095         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3096                 if ( new != uuidstr ) {
3097                         slap_sl_free( new, ctx );
3098                 }
3099                 return NULL;
3100         }
3101
3102         for ( i = 0; i < 16; i++ ) {
3103                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
3104                         new->bv_val[(i<<1)+d] = '-';
3105                         d += 1;
3106                 }
3107
3108                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
3109                 if ( nibble < 10 ) {
3110                         new->bv_val[(i<<1)+d] = nibble + '0';
3111                 } else {
3112                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
3113                 }
3114
3115                 nibble = (normalized->bv_val[i]) & 0xF;
3116                 if ( nibble < 10 ) {
3117                         new->bv_val[(i<<1)+d+1] = nibble + '0';
3118                 } else {
3119                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
3120                 }
3121         }
3122
3123         new->bv_val[new->bv_len] = '\0';
3124         return new;
3125 #endif
3126
3127         struct berval   *new;
3128         int             rc = 0;
3129
3130         if ( normalized == NULL ) return NULL;
3131         if ( normalized->bv_len != 16 ) return NULL;
3132
3133         if ( uuidstr ) {
3134                 new = uuidstr;
3135
3136         } else {
3137                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3138                 if ( new == NULL ) {
3139                         return NULL;
3140                 }
3141         }
3142
3143         new->bv_len = 36;
3144
3145         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3146                 rc = 1;
3147                 goto done;
3148         }
3149
3150         rc = lutil_uuidstr_from_normalized( normalized->bv_val,
3151                 normalized->bv_len, new->bv_val, new->bv_len + 1 );
3152
3153 done:;
3154         if ( rc == -1 ) {
3155                 if ( new != NULL ) {
3156                         if ( new->bv_val != NULL ) {
3157                                 slap_sl_free( new->bv_val, ctx );
3158                         }
3159
3160                         if ( new != uuidstr ) {
3161                                 slap_sl_free( new, ctx );
3162                         }
3163                 }
3164                 new = NULL;
3165
3166         } else {
3167                 new->bv_len = rc;
3168         }
3169
3170         return new;
3171 }
3172
3173 static int
3174 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
3175 {
3176         const struct berval *uuid1 = v_uuid1;
3177         const struct berval *uuid2 = v_uuid2;
3178         int rc = uuid1->bv_len - uuid2->bv_len;
3179         if ( rc ) return rc;
3180         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
3181 }
3182
3183 static void
3184 avl_ber_bvfree( void *v_bv )
3185 {
3186         struct berval   *bv = (struct berval *)v_bv;
3187
3188         if( v_bv == NULL ) return;
3189         if ( !BER_BVISNULL( bv ) ) {
3190                 ch_free( bv->bv_val );
3191         }
3192         ch_free( (char *) bv );
3193 }
3194
3195 void
3196 syncinfo_free( syncinfo_t *sie, int free_all )
3197 {
3198         syncinfo_t *si_next;
3199
3200         if ( free_all && sie->si_cookieState ) {
3201                 ch_free( sie->si_cookieState->cs_sids );
3202                 ber_bvarray_free( sie->si_cookieState->cs_vals );
3203                 ldap_pvt_thread_mutex_destroy( &sie->si_cookieState->cs_mutex );
3204                 ch_free( sie->si_cookieState );
3205         }
3206         do {
3207                 si_next = sie->si_next;
3208
3209                 if ( sie->si_ld ) {
3210                         if ( sie->si_conn_setup ) {
3211                                 ber_socket_t s;
3212                                 ldap_get_option( sie->si_ld, LDAP_OPT_DESC, &s );
3213                                 connection_client_stop( s );
3214                                 sie->si_conn_setup = 0;
3215                         }
3216                         ldap_unbind_ext( sie->si_ld, NULL, NULL );
3217                 }
3218
3219                 /* re-fetch it, in case it was already removed */
3220                 sie->si_re = ldap_pvt_runqueue_find( &slapd_rq, do_syncrepl, sie );
3221                 if ( sie->si_re ) {
3222                         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, sie->si_re ) )
3223                                 ldap_pvt_runqueue_stoptask( &slapd_rq, sie->si_re );
3224                         ldap_pvt_runqueue_remove( &slapd_rq, sie->si_re );
3225                 }
3226
3227                 ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
3228
3229                 bindconf_free( &sie->si_bindconf );
3230
3231                 if ( sie->si_filterstr.bv_val ) {
3232                         ch_free( sie->si_filterstr.bv_val );
3233                 }
3234                 if ( sie->si_logfilterstr.bv_val ) {
3235                         ch_free( sie->si_logfilterstr.bv_val );
3236                 }
3237                 if ( sie->si_base.bv_val ) {
3238                         ch_free( sie->si_base.bv_val );
3239                 }
3240                 if ( sie->si_logbase.bv_val ) {
3241                         ch_free( sie->si_logbase.bv_val );
3242                 }
3243                 if ( sie->si_attrs ) {
3244                         int i = 0;
3245                         while ( sie->si_attrs[i] != NULL ) {
3246                                 ch_free( sie->si_attrs[i] );
3247                                 i++;
3248                         }
3249                         ch_free( sie->si_attrs );
3250                 }
3251                 if ( sie->si_exattrs ) {
3252                         int i = 0;
3253                         while ( sie->si_exattrs[i] != NULL ) {
3254                                 ch_free( sie->si_exattrs[i] );
3255                                 i++;
3256                         }
3257                         ch_free( sie->si_exattrs );
3258                 }
3259                 if ( sie->si_anlist ) {
3260                         int i = 0;
3261                         while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
3262                                 ch_free( sie->si_anlist[i].an_name.bv_val );
3263                                 i++;
3264                         }
3265                         ch_free( sie->si_anlist );
3266                 }
3267                 if ( sie->si_exanlist ) {
3268                         int i = 0;
3269                         while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
3270                                 ch_free( sie->si_exanlist[i].an_name.bv_val );
3271                                 i++;
3272                         }
3273                         ch_free( sie->si_exanlist );
3274                 }
3275                 if ( sie->si_retryinterval ) {
3276                         ch_free( sie->si_retryinterval );
3277                 }
3278                 if ( sie->si_retrynum ) {
3279                         ch_free( sie->si_retrynum );
3280                 }
3281                 if ( sie->si_retrynum_init ) {
3282                         ch_free( sie->si_retrynum_init );
3283                 }
3284                 slap_sync_cookie_free( &sie->si_syncCookie, 0 );
3285                 if ( sie->si_presentlist ) {
3286                     avl_free( sie->si_presentlist, avl_ber_bvfree );
3287                 }
3288                 while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist ) ) {
3289                         struct nonpresent_entry* npe;
3290                         npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
3291                         LDAP_LIST_REMOVE( npe, npe_link );
3292                         if ( npe->npe_name ) {
3293                                 if ( npe->npe_name->bv_val ) {
3294                                         ch_free( npe->npe_name->bv_val );
3295                                 }
3296                                 ch_free( npe->npe_name );
3297                         }
3298                         if ( npe->npe_nname ) {
3299                                 if ( npe->npe_nname->bv_val ) {
3300                                         ch_free( npe->npe_nname->bv_val );
3301                                 }
3302                                 ch_free( npe->npe_nname );
3303                         }
3304                         ch_free( npe );
3305                 }
3306                 ch_free( sie );
3307                 sie = si_next;
3308         } while ( free_all && si_next );
3309 }
3310
3311
3312
3313 /* NOTE: used & documented in slapd.conf(5) */
3314 #define IDSTR                   "rid"
3315 #define PROVIDERSTR             "provider"
3316 #define SCHEMASTR               "schemachecking"
3317 #define FILTERSTR               "filter"
3318 #define SEARCHBASESTR           "searchbase"
3319 #define SCOPESTR                "scope"
3320 #define ATTRSONLYSTR            "attrsonly"
3321 #define ATTRSSTR                "attrs"
3322 #define TYPESTR                 "type"
3323 #define INTERVALSTR             "interval"
3324 #define RETRYSTR                "retry"
3325 #define SLIMITSTR               "sizelimit"
3326 #define TLIMITSTR               "timelimit"
3327 #define SYNCDATASTR             "syncdata"
3328 #define LOGBASESTR              "logbase"
3329 #define LOGFILTERSTR    "logfilter"
3330
3331 /* FIXME: undocumented */
3332 #define EXATTRSSTR              "exattrs"
3333 #define MANAGEDSAITSTR          "manageDSAit"
3334
3335 /* mandatory */
3336 #define GOT_ID                  0x0001
3337 #define GOT_PROVIDER    0x0002
3338 #define GOT_BASE                0x0004
3339
3340 /* check */
3341 #define GOT_ALL                 (GOT_ID|GOT_PROVIDER|GOT_BASE)
3342
3343 static struct {
3344         struct berval key;
3345         int val;
3346 } scopes[] = {
3347         { BER_BVC("base"), LDAP_SCOPE_BASE },
3348         { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
3349         { BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL },   /* OpenLDAP extension */
3350         { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
3351         { BER_BVC("subord"), LDAP_SCOPE_SUBORDINATE },
3352         { BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
3353         { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
3354         { BER_BVC("subtree"), LDAP_SCOPE_SUBTREE },     /* OpenLDAP extension */
3355         { BER_BVNULL, 0 }
3356 };
3357
3358 static slap_verbmasks datamodes[] = {
3359         { BER_BVC("default"), SYNCDATA_DEFAULT },
3360         { BER_BVC("accesslog"), SYNCDATA_ACCESSLOG },
3361         { BER_BVC("changelog"), SYNCDATA_CHANGELOG },
3362         { BER_BVNULL, 0 }
3363 };
3364
3365 static int
3366 parse_syncrepl_line(
3367         ConfigArgs      *c,
3368         syncinfo_t      *si )
3369 {
3370         int     gots = 0;
3371         int     i;
3372         char    *val;
3373
3374         for ( i = 1; i < c->argc; i++ ) {
3375                 if ( !strncasecmp( c->argv[ i ], IDSTR "=",
3376                                         STRLENOF( IDSTR "=" ) ) )
3377                 {
3378                         int tmp;
3379                         /* '\0' string terminator accounts for '=' */
3380                         val = c->argv[ i ] + STRLENOF( IDSTR "=" );
3381                         if ( lutil_atoi( &tmp, val ) != 0 ) {
3382                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3383                                         "Error: parse_syncrepl_line: "
3384                                         "unable to parse syncrepl id \"%s\"", val );
3385                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3386                                 return -1;
3387                         }
3388                         if ( tmp > SLAP_SYNC_SID_MAX || tmp < 0 ) {
3389                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3390                                         "Error: parse_syncrepl_line: "
3391                                         "syncrepl id %d is out of range [0..4095]", tmp );
3392                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3393                                 return -1;
3394                         }
3395                         si->si_rid = tmp;
3396                         sprintf( si->si_ridtxt, IDSTR "=%d", si->si_rid );
3397                         gots |= GOT_ID;
3398                 } else if ( !strncasecmp( c->argv[ i ], PROVIDERSTR "=",
3399                                         STRLENOF( PROVIDERSTR "=" ) ) )
3400                 {
3401                         val = c->argv[ i ] + STRLENOF( PROVIDERSTR "=" );
3402                         ber_str2bv( val, 0, 1, &si->si_bindconf.sb_uri );
3403                         gots |= GOT_PROVIDER;
3404                 } else if ( !strncasecmp( c->argv[ i ], SCHEMASTR "=",
3405                                         STRLENOF( SCHEMASTR "=" ) ) )
3406                 {
3407                         val = c->argv[ i ] + STRLENOF( SCHEMASTR "=" );
3408                         if ( !strncasecmp( val, "on", STRLENOF( "on" ) ) ) {
3409                                 si->si_schemachecking = 1;
3410                         } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
3411                                 si->si_schemachecking = 0;
3412                         } else {
3413                                 si->si_schemachecking = 1;
3414                         }
3415                 } else if ( !strncasecmp( c->argv[ i ], FILTERSTR "=",
3416                                         STRLENOF( FILTERSTR "=" ) ) )
3417                 {
3418                         val = c->argv[ i ] + STRLENOF( FILTERSTR "=" );
3419                         if ( si->si_filterstr.bv_val )
3420                                 ch_free( si->si_filterstr.bv_val );
3421                         ber_str2bv( val, 0, 1, &si->si_filterstr );
3422                 } else if ( !strncasecmp( c->argv[ i ], LOGFILTERSTR "=",
3423                                         STRLENOF( LOGFILTERSTR "=" ) ) )
3424                 {
3425                         val = c->argv[ i ] + STRLENOF( LOGFILTERSTR "=" );
3426                         if ( si->si_logfilterstr.bv_val )
3427                                 ch_free( si->si_logfilterstr.bv_val );
3428                         ber_str2bv( val, 0, 1, &si->si_logfilterstr );
3429                 } else if ( !strncasecmp( c->argv[ i ], SEARCHBASESTR "=",
3430                                         STRLENOF( SEARCHBASESTR "=" ) ) )
3431                 {
3432                         struct berval   bv;
3433                         int             rc;
3434
3435                         val = c->argv[ i ] + STRLENOF( SEARCHBASESTR "=" );
3436                         if ( si->si_base.bv_val ) {
3437                                 ch_free( si->si_base.bv_val );
3438                         }
3439                         ber_str2bv( val, 0, 0, &bv );
3440                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
3441                         if ( rc != LDAP_SUCCESS ) {
3442                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3443                                         "Invalid base DN \"%s\": %d (%s)",
3444                                         val, rc, ldap_err2string( rc ) );
3445                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3446                                 return -1;
3447                         }
3448                         if ( !be_issubordinate( c->be, &si->si_base ) ) {
3449                                 ch_free( si->si_base.bv_val );
3450                                 BER_BVZERO( &si->si_base );
3451                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3452                                         "Base DN \"%s\" is not within the database naming context",
3453                                         val );
3454                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3455                                 return -1;
3456                         }
3457                         gots |= GOT_BASE;
3458                 } else if ( !strncasecmp( c->argv[ i ], LOGBASESTR "=",
3459                                         STRLENOF( LOGBASESTR "=" ) ) )
3460                 {
3461                         struct berval   bv;
3462                         int             rc;
3463
3464                         val = c->argv[ i ] + STRLENOF( LOGBASESTR "=" );
3465                         if ( si->si_logbase.bv_val ) {
3466                                 ch_free( si->si_logbase.bv_val );
3467                         }
3468                         ber_str2bv( val, 0, 0, &bv );
3469                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_logbase, NULL );
3470                         if ( rc != LDAP_SUCCESS ) {
3471                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3472                                         "Invalid logbase DN \"%s\": %d (%s)",
3473                                         val, rc, ldap_err2string( rc ) );
3474                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3475                                 return -1;
3476                         }
3477                 } else if ( !strncasecmp( c->argv[ i ], SCOPESTR "=",
3478                                         STRLENOF( SCOPESTR "=" ) ) )
3479                 {
3480                         int j;
3481                         val = c->argv[ i ] + STRLENOF( SCOPESTR "=" );
3482                         for ( j = 0; !BER_BVISNULL(&scopes[j].key); j++ ) {
3483                                 if (!strcasecmp( val, scopes[j].key.bv_val ) ) {
3484                                         si->si_scope = scopes[j].val;
3485                                         break;
3486                                 }
3487                         }
3488                         if ( BER_BVISNULL(&scopes[j].key) ) {
3489                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3490                                         "Error: parse_syncrepl_line: "
3491                                         "unknown scope \"%s\"", val);
3492                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3493                                 return -1;
3494                         }
3495                 } else if ( !strncasecmp( c->argv[ i ], ATTRSONLYSTR,
3496                                         STRLENOF( ATTRSONLYSTR ) ) )
3497                 {
3498                         si->si_attrsonly = 1;
3499                 } else if ( !strncasecmp( c->argv[ i ], ATTRSSTR "=",
3500                                         STRLENOF( ATTRSSTR "=" ) ) )
3501                 {
3502                         val = c->argv[ i ] + STRLENOF( ATTRSSTR "=" );
3503                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3504                                 char *attr_fname;
3505                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3506                                 si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
3507                                 if ( si->si_anlist == NULL ) {
3508                                         ch_free( attr_fname );
3509                                         return -1;
3510                                 }
3511                                 si->si_anfile = attr_fname;
3512                         } else {
3513                                 char *str, *s, *next;
3514                                 char delimstr[] = " ,\t";
3515                                 str = ch_strdup( val );
3516                                 for ( s = ldap_pvt_strtok( str, delimstr, &next );
3517                                                 s != NULL;
3518                                                 s = ldap_pvt_strtok( NULL, delimstr, &next ) )
3519                                 {
3520                                         if ( strlen(s) == 1 && *s == '*' ) {
3521                                                 si->si_allattrs = 1;
3522                                                 val[ s - str ] = delimstr[0];
3523                                         }
3524                                         if ( strlen(s) == 1 && *s == '+' ) {
3525                                                 si->si_allopattrs = 1;
3526                                                 val [ s - str ] = delimstr[0];
3527                                         }
3528                                 }
3529                                 ch_free( str );
3530                                 si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
3531                                 if ( si->si_anlist == NULL ) {
3532                                         return -1;
3533                                 }
3534                         }
3535                 } else if ( !strncasecmp( c->argv[ i ], EXATTRSSTR "=",
3536                                         STRLENOF( EXATTRSSTR "=" ) ) )
3537                 {
3538                         val = c->argv[ i ] + STRLENOF( EXATTRSSTR "=" );
3539                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3540                                 char *attr_fname;
3541                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3542                                 si->si_exanlist = file2anlist(
3543                                         si->si_exanlist, attr_fname, " ,\t" );
3544                                 if ( si->si_exanlist == NULL ) {
3545                                         ch_free( attr_fname );
3546                                         return -1;
3547                                 }
3548                                 ch_free( attr_fname );
3549                         } else {
3550                                 si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
3551                                 if ( si->si_exanlist == NULL ) {
3552                                         return -1;
3553                                 }
3554                         }
3555                 } else if ( !strncasecmp( c->argv[ i ], TYPESTR "=",
3556                                         STRLENOF( TYPESTR "=" ) ) )
3557                 {
3558                         val = c->argv[ i ] + STRLENOF( TYPESTR "=" );
3559                         if ( !strncasecmp( val, "refreshOnly",
3560                                                 STRLENOF("refreshOnly") ) )
3561                         {
3562                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3563                         } else if ( !strncasecmp( val, "refreshAndPersist",
3564                                                 STRLENOF("refreshAndPersist") ) )
3565                         {
3566                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_AND_PERSIST;
3567                                 si->si_interval = 60;
3568                         } else {
3569                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3570                                         "Error: parse_syncrepl_line: "
3571                                         "unknown sync type \"%s\"", val);
3572                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3573                                 return -1;
3574                         }
3575                 } else if ( !strncasecmp( c->argv[ i ], INTERVALSTR "=",
3576                                         STRLENOF( INTERVALSTR "=" ) ) )
3577                 {
3578                         val = c->argv[ i ] + STRLENOF( INTERVALSTR "=" );
3579                         if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
3580                                 si->si_interval = 0;
3581                         } else if ( strchr( val, ':' ) != NULL ) {
3582                                 char *next, *ptr = val;
3583                                 unsigned dd, hh, mm, ss;
3584
3585                                 /* NOTE: the test for ptr[ 0 ] == '-'
3586                                  * should go before the call to strtoul() */
3587                                 dd = strtoul( ptr, &next, 10 );
3588                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' ) {
3589                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3590                                                 "Error: parse_syncrepl_line: "
3591                                                 "invalid interval \"%s\", unable to parse days", val );
3592                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3593                                         return -1;
3594                                 }
3595                                 ptr = next + 1;
3596                                 hh = strtoul( ptr, &next, 10 );
3597                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || hh > 24 ) {
3598                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3599                                                 "Error: parse_syncrepl_line: "
3600                                                 "invalid interval \"%s\", unable to parse hours", val );
3601                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3602                                         return -1;
3603                                 }
3604                                 ptr = next + 1;
3605                                 mm = strtoul( ptr, &next, 10 );
3606                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || mm > 60 ) {
3607                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3608                                                 "Error: parse_syncrepl_line: "
3609                                                 "invalid interval \"%s\", unable to parse minutes", val );
3610                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3611                                         return -1;
3612                                 }
3613                                 ptr = next + 1;
3614                                 ss = strtoul( ptr, &next, 10 );
3615                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != '\0' || ss > 60 ) {
3616                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3617                                                 "Error: parse_syncrepl_line: "
3618                                                 "invalid interval \"%s\", unable to parse seconds", val );
3619                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3620                                         return -1;
3621                                 }
3622                                 si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
3623                         } else {
3624                                 unsigned long   t;
3625
3626                                 if ( lutil_parse_time( val, &t ) != 0 ) {
3627                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3628                                                 "Error: parse_syncrepl_line: "
3629                                                 "invalid interval \"%s\"", val );
3630                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3631                                         return -1;
3632                                 }
3633                                 si->si_interval = (time_t)t;
3634                         }
3635                         if ( si->si_interval < 0 ) {
3636                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3637                                         "Error: parse_syncrepl_line: "
3638                                         "invalid interval \"%ld\"",
3639                                         (long) si->si_interval);
3640                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3641                                 return -1;
3642                         }
3643                 } else if ( !strncasecmp( c->argv[ i ], RETRYSTR "=",
3644                                         STRLENOF( RETRYSTR "=" ) ) )
3645                 {
3646                         char **retry_list;
3647                         int j, k, n;
3648
3649                         val = c->argv[ i ] + STRLENOF( RETRYSTR "=" );
3650                         retry_list = (char **) ch_calloc( 1, sizeof( char * ) );
3651                         retry_list[0] = NULL;
3652
3653                         slap_str2clist( &retry_list, val, " ,\t" );
3654
3655                         for ( k = 0; retry_list && retry_list[k]; k++ ) ;
3656                         n = k / 2;
3657                         if ( k % 2 ) {
3658                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3659                                         "Error: incomplete syncrepl retry list" );
3660                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3661                                 for ( k = 0; retry_list && retry_list[k]; k++ ) {
3662                                         ch_free( retry_list[k] );
3663                                 }
3664                                 ch_free( retry_list );
3665                                 return 1;
3666                         }
3667                         si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ) );
3668                         si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ) );
3669                         si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ) );
3670                         for ( j = 0; j < n; j++ ) {
3671                                 unsigned long   t;
3672                                 if ( lutil_atoul( &t, retry_list[j*2] ) != 0 ) {
3673                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3674                                                 "Error: invalid retry interval \"%s\" (#%d)",
3675                                                 retry_list[j*2], j );
3676                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3677                                         /* do some cleanup */
3678                                         return 1;
3679                                 }
3680                                 si->si_retryinterval[j] = (time_t)t;
3681                                 if ( *retry_list[j*2+1] == '+' ) {
3682                                         si->si_retrynum_init[j] = RETRYNUM_FOREVER;
3683                                         si->si_retrynum[j] = RETRYNUM_FOREVER;
3684                                         j++;
3685                                         break;
3686                                 } else {
3687                                         if ( lutil_atoi( &si->si_retrynum_init[j], retry_list[j*2+1] ) != 0
3688                                                         || si->si_retrynum_init[j] <= 0 )
3689                                         {
3690                                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3691                                                         "Error: invalid initial retry number \"%s\" (#%d)",
3692                                                         retry_list[j*2+1], j );
3693                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3694                                                 /* do some cleanup */
3695                                                 return 1;
3696                                         }
3697                                         if ( lutil_atoi( &si->si_retrynum[j], retry_list[j*2+1] ) != 0
3698                                                         || si->si_retrynum[j] <= 0 )
3699                                         {
3700                                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3701                                                         "Error: invalid retry number \"%s\" (#%d)",
3702                                                         retry_list[j*2+1], j );
3703                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3704                                                 /* do some cleanup */
3705                                                 return 1;
3706                                         }
3707                                 }
3708                         }
3709                         si->si_retrynum_init[j] = RETRYNUM_TAIL;
3710                         si->si_retrynum[j] = RETRYNUM_TAIL;
3711                         si->si_retryinterval[j] = 0;
3712
3713                         for ( k = 0; retry_list && retry_list[k]; k++ ) {
3714                                 ch_free( retry_list[k] );
3715                         }
3716                         ch_free( retry_list );
3717                 } else if ( !strncasecmp( c->argv[ i ], MANAGEDSAITSTR "=",
3718                                         STRLENOF( MANAGEDSAITSTR "=" ) ) )
3719                 {
3720                         val = c->argv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
3721                         if ( lutil_atoi( &si->si_manageDSAit, val ) != 0
3722                                 || si->si_manageDSAit < 0 || si->si_manageDSAit > 1 )
3723                         {
3724                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3725                                         "invalid manageDSAit value \"%s\".\n",
3726                                         val );
3727                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3728                                 return 1;
3729                         }
3730                 } else if ( !strncasecmp( c->argv[ i ], SLIMITSTR "=",
3731                                         STRLENOF( SLIMITSTR "=") ) )
3732                 {
3733                         val = c->argv[ i ] + STRLENOF( SLIMITSTR "=" );
3734                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3735                                 si->si_slimit = 0;
3736
3737                         } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || si->si_slimit < 0 ) {
3738                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3739                                         "invalid size limit value \"%s\".\n",
3740                                         val );
3741                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3742                                 return 1;
3743                         }
3744                 } else if ( !strncasecmp( c->argv[ i ], TLIMITSTR "=",
3745                                         STRLENOF( TLIMITSTR "=" ) ) )
3746                 {
3747                         val = c->argv[ i ] + STRLENOF( TLIMITSTR "=" );
3748                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3749                                 si->si_tlimit = 0;
3750
3751                         } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || si->si_tlimit < 0 ) {
3752                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3753                                         "invalid time limit value \"%s\".\n",
3754                                         val );
3755                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3756                                 return 1;
3757                         }
3758                 } else if ( !strncasecmp( c->argv[ i ], SYNCDATASTR "=",
3759                                         STRLENOF( SYNCDATASTR "=" ) ) )
3760                 {
3761                         val = c->argv[ i ] + STRLENOF( SYNCDATASTR "=" );
3762                         si->si_syncdata = verb_to_mask( val, datamodes );
3763                 } else if ( bindconf_parse( c->argv[i], &si->si_bindconf ) ) {
3764                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3765                                 "Error: parse_syncrepl_line: "
3766                                 "unable to parse \"%s\"\n", c->argv[ i ] );
3767                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3768                         return -1;
3769                 }
3770         }
3771
3772         if ( gots != GOT_ALL ) {
3773                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3774                         "Error: Malformed \"syncrepl\" line in slapd config file, missing%s%s%s",
3775                         gots & GOT_ID ? "" : " "IDSTR,
3776                         gots & GOT_PROVIDER ? "" : " "PROVIDERSTR,
3777                         gots & GOT_BASE ? "" : " "SEARCHBASESTR );
3778                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3779                 return -1;
3780         }
3781
3782         return 0;
3783 }
3784
3785 static int
3786 add_syncrepl(
3787         ConfigArgs *c )
3788 {
3789         syncinfo_t *si;
3790         int     rc = 0;
3791
3792         if ( !( c->be->be_search && c->be->be_add && c->be->be_modify && c->be->be_delete ) ) {
3793                 snprintf( c->cr_msg, sizeof(c->cr_msg), "database %s does not support "
3794                         "operations required for syncrepl", c->be->be_type );
3795                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg, 0 );
3796                 return 1;
3797         }
3798         if ( BER_BVISEMPTY( &c->be->be_rootdn ) ) {
3799                 strcpy( c->cr_msg, "rootDN must be defined before syncrepl may be used" );
3800                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg, 0 );
3801                 return 1;
3802         }
3803         si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
3804
3805         if ( si == NULL ) {
3806                 Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
3807                 return 1;
3808         }
3809
3810         si->si_bindconf.sb_tls = SB_TLS_OFF;
3811         si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
3812         si->si_schemachecking = 0;
3813         ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
3814                 &si->si_filterstr );
3815         si->si_base.bv_val = NULL;
3816         si->si_scope = LDAP_SCOPE_SUBTREE;
3817         si->si_attrsonly = 0;
3818         si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
3819         si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
3820         si->si_attrs = NULL;
3821         si->si_allattrs = 0;
3822         si->si_allopattrs = 0;
3823         si->si_exattrs = NULL;
3824         si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3825         si->si_interval = 86400;
3826         si->si_retryinterval = NULL;
3827         si->si_retrynum_init = NULL;
3828         si->si_retrynum = NULL;
3829         si->si_manageDSAit = 0;
3830         si->si_tlimit = 0;
3831         si->si_slimit = 0;
3832         si->si_conn_setup = 0;
3833
3834         si->si_presentlist = NULL;
3835         LDAP_LIST_INIT( &si->si_nonpresentlist );
3836         ldap_pvt_thread_mutex_init( &si->si_mutex );
3837
3838         rc = parse_syncrepl_line( c, si );
3839
3840         if ( rc == 0 ) {
3841                 /* Must be LDAPv3 because we need controls */
3842                 switch ( si->si_bindconf.sb_version ) {
3843                 case 0:
3844                         /* not explicitly set */
3845                         si->si_bindconf.sb_version = LDAP_VERSION3;
3846                         break;
3847                 case 3:
3848                         /* explicitly set */
3849                         break;
3850                 default:
3851                         Debug( LDAP_DEBUG_ANY,
3852                                 "version %d incompatible with syncrepl\n",
3853                                 si->si_bindconf.sb_version, 0, 0 );
3854                         syncinfo_free( si, 0 );
3855                         return 1;
3856                 }
3857
3858                 si->si_be = c->be;
3859                 if ( slapMode & SLAP_SERVER_MODE ) {
3860                         Listener **l = slapd_get_listeners();
3861                         int isMe = 0;
3862
3863                         /* check if URL points to current server. If so, ignore
3864                          * this configuration. We require an exact match. Just
3865                          * in case they really want to do this, they can vary
3866                          * the case of the URL to allow it.
3867                          */
3868                         if ( l && !SLAP_DBHIDDEN( c->be ) ) {
3869                                 int i;
3870                                 for ( i=0; l[i]; i++ ) {
3871                                         if ( bvmatch( &l[i]->sl_url, &si->si_bindconf.sb_uri ) ) {
3872                                                 isMe = 1;
3873                                                 break;
3874                                         }
3875                                 }
3876                         }
3877
3878                         if ( !isMe ) {
3879                                 init_syncrepl( si );
3880                                 si->si_re = ldap_pvt_runqueue_insert( &slapd_rq,
3881                                         si->si_interval, do_syncrepl, si, "do_syncrepl",
3882                                         si->si_ridtxt );
3883                                 if ( si->si_re )
3884                                         rc = config_sync_shadow( c ) ? -1 : 0;
3885                                 else
3886                                         rc = -1;
3887                         }
3888                 } else {
3889                         /* mirrormode still needs to see this flag in tool mode */
3890                         rc = config_sync_shadow( c ) ? -1 : 0;
3891                 }
3892         }
3893
3894 #ifdef HAVE_TLS
3895         /* Use main slapd defaults */
3896         bindconf_tls_defaults( &si->si_bindconf );
3897 #endif
3898         if ( rc < 0 ) {
3899                 Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
3900                 syncinfo_free( si, 0 );
3901                 return 1;
3902         } else {
3903                 Debug( LDAP_DEBUG_CONFIG,
3904                         "Config: ** successfully added syncrepl \"%s\"\n",
3905                         BER_BVISNULL( &si->si_bindconf.sb_uri ) ?
3906                         "(null)" : si->si_bindconf.sb_uri.bv_val, 0, 0 );
3907                 if ( !si->si_schemachecking ) {
3908                         SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
3909                 }
3910                 if ( c->be->be_syncinfo ) {
3911                         si->si_cookieState = c->be->be_syncinfo->si_cookieState;
3912                 } else {
3913                         si->si_cookieState = ch_calloc( 1, sizeof( cookie_state ));
3914                         ldap_pvt_thread_mutex_init( &si->si_cookieState->cs_mutex );
3915                 }
3916                 si->si_next = c->be->be_syncinfo;
3917                 c->be->be_syncinfo = si;
3918                 return 0;
3919         }
3920 }
3921
3922 static void
3923 syncrepl_unparse( syncinfo_t *si, struct berval *bv )
3924 {
3925         struct berval bc, uri;
3926         char buf[BUFSIZ*2], *ptr;
3927         int i;
3928
3929 #define WHATSLEFT       ( sizeof( buf ) - ( ptr - buf ) )
3930
3931         BER_BVZERO( bv );
3932
3933         /* temporarily inhibit bindconf from printing URI */
3934         uri = si->si_bindconf.sb_uri;
3935         BER_BVZERO( &si->si_bindconf.sb_uri );
3936         si->si_bindconf.sb_version = 0;
3937         bindconf_unparse( &si->si_bindconf, &bc );
3938         si->si_bindconf.sb_uri = uri;
3939         si->si_bindconf.sb_version = LDAP_VERSION3;
3940
3941         ptr = buf;
3942         assert( si->si_rid >= 0 && si->si_rid <= SLAP_SYNC_SID_MAX );
3943         ptr += snprintf( ptr, WHATSLEFT, IDSTR "=%d " PROVIDERSTR "=%s",
3944                 si->si_rid, si->si_bindconf.sb_uri.bv_val );
3945         if ( ptr - buf >= sizeof( buf ) ) return;
3946         if ( !BER_BVISNULL( &bc ) ) {
3947                 if ( WHATSLEFT <= bc.bv_len ) {
3948                         free( bc.bv_val );
3949                         return;
3950                 }
3951                 ptr = lutil_strcopy( ptr, bc.bv_val );
3952                 free( bc.bv_val );
3953         }
3954         if ( !BER_BVISEMPTY( &si->si_filterstr ) ) {
3955                 if ( WHATSLEFT <= STRLENOF( " " FILTERSTR "=\"" "\"" ) + si->si_filterstr.bv_len ) return;
3956                 ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
3957                 ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
3958                 *ptr++ = '"';
3959         }
3960         if ( !BER_BVISNULL( &si->si_base ) ) {
3961                 if ( WHATSLEFT <= STRLENOF( " " SEARCHBASESTR "=\"" "\"" ) + si->si_base.bv_len ) return;
3962                 ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
3963                 ptr = lutil_strcopy( ptr, si->si_base.bv_val );
3964                 *ptr++ = '"';
3965         }
3966         if ( !BER_BVISEMPTY( &si->si_logfilterstr ) ) {
3967                 if ( WHATSLEFT <= STRLENOF( " " LOGFILTERSTR "=\"" "\"" ) + si->si_logfilterstr.bv_len ) return;
3968                 ptr = lutil_strcopy( ptr, " " LOGFILTERSTR "=\"" );
3969                 ptr = lutil_strcopy( ptr, si->si_logfilterstr.bv_val );
3970                 *ptr++ = '"';
3971         }
3972         if ( !BER_BVISNULL( &si->si_logbase ) ) {
3973                 if ( WHATSLEFT <= STRLENOF( " " LOGBASESTR "=\"" "\"" ) + si->si_logbase.bv_len ) return;
3974                 ptr = lutil_strcopy( ptr, " " LOGBASESTR "=\"" );
3975                 ptr = lutil_strcopy( ptr, si->si_logbase.bv_val );
3976                 *ptr++ = '"';
3977         }
3978         for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
3979                 if ( si->si_scope == scopes[i].val ) {
3980                         if ( WHATSLEFT <= STRLENOF( " " SCOPESTR "=" ) + scopes[i].key.bv_len ) return;
3981                         ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
3982                         ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
3983                         break;
3984                 }
3985         }
3986         if ( si->si_attrsonly ) {
3987                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
3988                 ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR );
3989         }
3990         if ( si->si_anfile ) {
3991                 if ( WHATSLEFT <= STRLENOF( " " ATTRSSTR "=\":include:" "\"" ) + strlen( si->si_anfile ) ) return;
3992                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:\"" );
3993                 ptr = lutil_strcopy( ptr, si->si_anfile );
3994                 *ptr++ = '"';
3995         } else if ( si->si_allattrs || si->si_allopattrs ||
3996                 ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) ) )
3997         {
3998                 char *old;
3999
4000                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
4001                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
4002                 old = ptr;
4003                 /* FIXME: add check for overflow */
4004                 ptr = anlist_unparse( si->si_anlist, ptr, WHATSLEFT );
4005                 if ( si->si_allattrs ) {
4006                         if ( WHATSLEFT <= STRLENOF( ",*\"" ) ) return;
4007                         if ( old != ptr ) *ptr++ = ',';
4008                         *ptr++ = '*';
4009                 }
4010                 if ( si->si_allopattrs ) {
4011                         if ( WHATSLEFT <= STRLENOF( ",+\"" ) ) return;
4012                         if ( old != ptr ) *ptr++ = ',';
4013                         *ptr++ = '+';
4014                 }
4015                 *ptr++ = '"';
4016         }
4017         if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
4018                 if ( WHATSLEFT <= STRLENOF( " " EXATTRSSTR "=" ) ) return;
4019                 ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
4020                 /* FIXME: add check for overflow */
4021                 ptr = anlist_unparse( si->si_exanlist, ptr, WHATSLEFT );
4022         }
4023         if ( WHATSLEFT <= STRLENOF( " " SCHEMASTR "=" ) + STRLENOF( "off" ) ) return;
4024         ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
4025         ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
4026
4027         if ( WHATSLEFT <= STRLENOF( " " TYPESTR "=" ) + STRLENOF( "refreshAndPersist" ) ) return;
4028         ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
4029         ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
4030                 "refreshAndPersist" : "refreshOnly" );
4031
4032         if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
4033                 int dd, hh, mm, ss;
4034
4035                 dd = si->si_interval;
4036                 ss = dd % 60;
4037                 dd /= 60;
4038                 mm = dd % 60;
4039                 dd /= 60;
4040                 hh = dd % 24;
4041                 dd /= 24;
4042                 ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
4043                 ptr += snprintf( ptr, WHATSLEFT, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
4044                 if ( ptr - buf >= sizeof( buf ) ) return;
4045         } else if ( si->si_retryinterval ) {
4046                 int space=0;
4047                 if ( WHATSLEFT <= STRLENOF( " " RETRYSTR "=\"" "\"" ) ) return;
4048                 ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
4049                 for (i=0; si->si_retryinterval[i]; i++) {
4050                         if ( space ) *ptr++ = ' ';
4051                         space = 1;
4052                         ptr += snprintf( ptr, WHATSLEFT, "%ld ", (long) si->si_retryinterval[i] );
4053                         if ( si->si_retrynum_init[i] == RETRYNUM_FOREVER )
4054                                 *ptr++ = '+';
4055                         else
4056                                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_retrynum_init[i] );
4057                 }
4058                 if ( WHATSLEFT <= STRLENOF( "\"" ) ) return;
4059                 *ptr++ = '"';
4060         }
4061
4062         if ( si->si_slimit ) {
4063                 if ( WHATSLEFT <= STRLENOF( " " SLIMITSTR "=" ) ) return;
4064                 ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
4065                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_slimit );
4066         }
4067
4068         if ( si->si_tlimit ) {
4069                 if ( WHATSLEFT <= STRLENOF( " " TLIMITSTR "=" ) ) return;
4070                 ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
4071                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_tlimit );
4072         }
4073
4074         if ( si->si_syncdata ) {
4075                 if ( enum_to_verb( datamodes, si->si_syncdata, &bc ) >= 0 ) {
4076                         if ( WHATSLEFT <= STRLENOF( " " SYNCDATASTR "=" ) + bc.bv_len ) return;
4077                         ptr = lutil_strcopy( ptr, " " SYNCDATASTR "=" );
4078                         ptr = lutil_strcopy( ptr, bc.bv_val );
4079                 }
4080         }
4081         bc.bv_len = ptr - buf;
4082         bc.bv_val = buf;
4083         ber_dupbv( bv, &bc );
4084 }
4085
4086 int
4087 syncrepl_config( ConfigArgs *c )
4088 {
4089         if (c->op == SLAP_CONFIG_EMIT) {
4090                 if ( c->be->be_syncinfo ) {
4091                         struct berval bv;
4092                         syncinfo_t *si;
4093
4094                         for ( si = c->be->be_syncinfo; si; si=si->si_next ) {
4095                                 syncrepl_unparse( si, &bv );
4096                                 ber_bvarray_add( &c->rvalue_vals, &bv );
4097                         }
4098                         return 0;
4099                 }
4100                 return 1;
4101         } else if ( c->op == LDAP_MOD_DELETE ) {
4102                 cookie_state *cs = NULL;
4103                 if ( c->be->be_syncinfo ) {
4104                         syncinfo_t *si, **sip;
4105                         int i;
4106
4107                         cs = c->be->be_syncinfo->si_cookieState;
4108                         for ( sip = &c->be->be_syncinfo, i=0; *sip; i++ ) {
4109                                 si = *sip;
4110                                 if ( c->valx == -1 || i == c->valx ) {
4111                                         *sip = si->si_next;
4112                                         /* If the task is currently active, we have to leave
4113                                          * it running. It will exit on its own. This will only
4114                                          * happen when running on the cn=config DB.
4115                                          */
4116                                         if ( si->si_re &&
4117                                                 ldap_pvt_runqueue_isrunning( &slapd_rq, si->si_re ) ) {
4118                                                 si->si_ctype = 0;
4119                                         } else {
4120                                                 syncinfo_free( si, 0 );
4121                                         }
4122                                         if ( i == c->valx )
4123                                                 break;
4124                                 } else {
4125                                         sip = &si->si_next;
4126                                 }
4127                         }
4128                 }
4129                 if ( !c->be->be_syncinfo ) {
4130                         SLAP_DBFLAGS( c->be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
4131                         if ( cs ) {
4132                                 ber_bvarray_free( cs->cs_vals );
4133                                 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
4134                                 ch_free( cs );
4135                         }
4136                 }
4137                 return 0;
4138         }
4139         if ( SLAP_SLURP_SHADOW( c->be ) ) {
4140                 Debug(LDAP_DEBUG_ANY, "%s: "
4141                         "syncrepl: database already shadowed.\n",
4142                         c->log, 0, 0);
4143                 return(1);
4144         } else {
4145                 return add_syncrepl( c );
4146         }
4147 }