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