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

   1 /* syncrepl.c -- Replication Engine which uses the LDAP Sync protocol */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2007 The OpenLDAP Foundation.
   6  * Portions Copyright 2003 by IBM Corporation.
   7  * Portions Copyright 2003 by Howard Chu, Symas Corporation.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18
  19 #include "portable.h"
  20
  21 #include <stdio.h>
  22
  23 #include <ac/string.h>
  24 #include <ac/socket.h>
  25
  26 #include "lutil.h"
  27 #include "slap.h"
  28 #include "lutil_ldap.h"
  29
  30 #include "config.h"
  31
  32 #include "ldap_rq.h"
  33
  34 struct nonpresent_entry {
  35         struct berval *npe_name;
  36         struct berval *npe_nname;
  37         LDAP_LIST_ENTRY(nonpresent_entry) npe_link;
  38 };
  39
  40 typedef struct cookie_state {
  41         ldap_pvt_thread_mutex_t cs_mutex;
  42         int     cs_num;
  43         int cs_age;
  44         struct berval *cs_vals;
  45         int *cs_sids;
  46 } cookie_state;
  47
  48 #define SYNCDATA_DEFAULT        0       /* entries are plain LDAP entries */
  49 #define SYNCDATA_ACCESSLOG      1       /* entries are accesslog format */
  50 #define SYNCDATA_CHANGELOG      2       /* entries are changelog format */
  51
  52 #define SYNCLOG_LOGGING         0       /* doing a log-based update */
  53 #define SYNCLOG_FALLBACK        1       /* doing a full refresh */
  54
  55 #define RETRYNUM_FOREVER        (-1)    /* retry forever */
  56 #define RETRYNUM_TAIL           (-2)    /* end of retrynum array */
  57 #define RETRYNUM_VALID(n)       ((n) >= RETRYNUM_FOREVER)       /* valid retrynum */
  58 #define RETRYNUM_FINITE(n)      ((n) > RETRYNUM_FOREVER)        /* not forever */
  59
  60 typedef struct syncinfo_s {
  61         struct syncinfo_s       *si_next;
  62         BackendDB               *si_be;
  63         BackendDB               *si_wbe;
  64         struct re_s             *si_re;
  65         int                     si_rid;
  66         char                    si_ridtxt[ STRLENOF("rid=999") + 1 ];
  67         slap_bindconf           si_bindconf;
  68         struct berval           si_base;
  69         struct berval           si_logbase;
  70         struct berval           si_filterstr;
  71         struct berval           si_logfilterstr;
  72         int                     si_scope;
  73         int                     si_attrsonly;
  74         char                    *si_anfile;
  75         AttributeName           *si_anlist;
  76         AttributeName           *si_exanlist;
  77         char                    **si_attrs;
  78         char                    **si_exattrs;
  79         int                     si_allattrs;
  80         int                     si_allopattrs;
  81         int                     si_schemachecking;
  82         int                     si_type;        /* the active type */
  83         int                     si_ctype;       /* the configured type */
  84         time_t                  si_interval;
  85         time_t                  *si_retryinterval;
  86         int                     *si_retrynum_init;
  87         int                     *si_retrynum;
  88         struct sync_cookie      si_syncCookie;
  89         cookie_state            *si_cookieState;
  90         int                     si_cookieAge;
  91         int                     si_manageDSAit;
  92         int                     si_slimit;
  93         int                     si_tlimit;
  94         int                     si_refreshDelete;
  95         int                     si_refreshPresent;
  96         int                     si_refreshDone;
  97         int                     si_syncdata;
  98         int                     si_logstate;
  99         int                     si_conn_setup;
 100         Avlnode                 *si_presentlist;
 101         LDAP                    *si_ld;
 102         LDAP_LIST_HEAD(np, nonpresent_entry)    si_nonpresentlist;
 103         ldap_pvt_thread_mutex_t si_mutex;
 104 } syncinfo_t;
 105
 106 static int syncuuid_cmp( const void *, const void * );
 107 static int avl_presentlist_insert( syncinfo_t* si, struct berval *syncUUID );
 108 static void syncrepl_del_nonpresent( Operation *, syncinfo_t *, BerVarray, struct berval * );
 109 static int syncrepl_message_to_op(
 110                                         syncinfo_t *, Operation *, LDAPMessage * );
 111 static int syncrepl_message_to_entry(
 112                                         syncinfo_t *, Operation *, LDAPMessage *,
 113                                         Modifications **, Entry **, int );
 114 static int syncrepl_entry(
 115                                         syncinfo_t *, Operation*, Entry*,
 116                                         Modifications**,int, struct berval*,
 117                                         struct berval *cookieCSN );
 118 static int syncrepl_updateCookie(
 119                                         syncinfo_t *, Operation *, struct berval *,
 120                                         struct sync_cookie * );
 121 static struct berval * slap_uuidstr_from_normalized(
 122                                         struct berval *, struct berval *, void * );
 123
 124 /* callback functions */
 125 static int dn_callback( Operation *, SlapReply * );
 126 static int nonpresent_callback( Operation *, SlapReply * );
 127 static int null_callback( Operation *, SlapReply * );
 128
 129 static AttributeDescription *sync_descs[4];
 130
 131 static const char *
 132 syncrepl_state2str( int state )
 133 {
 134         switch ( state ) {
 135         case LDAP_SYNC_PRESENT:
 136                 return "PRESENT";
 137
 138         case LDAP_SYNC_ADD:
 139                 return "ADD";
 140
 141         case LDAP_SYNC_MODIFY:
 142                 return "MODIFY";
 143
 144         case LDAP_SYNC_DELETE:
 145                 return "DELETE";
 146         }
 147
 148         return "UNKNOWN";
 149 }
 150
 151 static void
 152 init_syncrepl(syncinfo_t *si)
 153 {
 154         int i, j, k, l, n;
 155         char **attrs, **exattrs;
 156
 157         if ( !sync_descs[0] ) {
 158                 sync_descs[0] = slap_schema.si_ad_objectClass;
 159                 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
 160                 sync_descs[2] = slap_schema.si_ad_entryCSN;
 161                 sync_descs[3] = NULL;
 162         }
 163
 164         if ( si->si_allattrs && si->si_allopattrs )
 165                 attrs = NULL;
 166         else
 167                 attrs = anlist2attrs( si->si_anlist );
 168
 169         if ( attrs ) {
 170                 if ( si->si_allattrs ) {
 171                         i = 0;
 172                         while ( attrs[i] ) {
 173                                 if ( !is_at_operational( at_find( attrs[i] ) ) ) {
 174                                         for ( j = i; attrs[j] != NULL; j++ ) {
 175                                                 if ( j == i )
 176                                                         ch_free( attrs[i] );
 177                                                 attrs[j] = attrs[j+1];
 178                                         }
 179                                 } else {
 180                                         i++;
 181                                 }
 182                         }
 183                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 184                         attrs[i] = ch_strdup("*");
 185                         attrs[i + 1] = NULL;
 186
 187                 } else if ( si->si_allopattrs ) {
 188                         i = 0;
 189                         while ( attrs[i] ) {
 190                                 if ( is_at_operational( at_find( attrs[i] ) ) ) {
 191                                         for ( j = i; attrs[j] != NULL; j++ ) {
 192                                                 if ( j == i )
 193                                                         ch_free( attrs[i] );
 194                                                 attrs[j] = attrs[j+1];
 195                                         }
 196                                 } else {
 197                                         i++;
 198                                 }
 199                         }
 200                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 201                         attrs[i] = ch_strdup("+");
 202                         attrs[i + 1] = NULL;
 203                 }
 204
 205                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 206                         j = 0;
 207                         while ( attrs[j] ) {
 208                                 if ( !strcmp( attrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
 209                                         for ( k = j; attrs[k] != NULL; k++ ) {
 210                                                 if ( k == j )
 211                                                         ch_free( attrs[k] );
 212                                                 attrs[k] = attrs[k+1];
 213                                         }
 214                                 } else {
 215                                         j++;
 216                                 }
 217                         }
 218                 }
 219
 220                 for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */;
 221
 222                 if ( si->si_allopattrs ) {
 223                         attrs = ( char ** ) ch_realloc( attrs, (n + 2)*sizeof( char * ) );
 224                 } else {
 225                         attrs = ( char ** ) ch_realloc( attrs, (n + 4)*sizeof( char * ) );
 226                 }
 227
 228                 /* Add Attributes */
 229                 if ( si->si_allopattrs ) {
 230                         attrs[n++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 231                 } else {
 232                         for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
 233                                 attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
 234                         }
 235                 }
 236                 attrs[ n ] = NULL;
 237
 238         } else {
 239
 240                 i = 0;
 241                 if ( si->si_allattrs == si->si_allopattrs ) {
 242                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 243                         attrs[i++] = ch_strdup( "*" );
 244                         attrs[i++] = ch_strdup( "+" );
 245                 } else if ( si->si_allattrs && !si->si_allopattrs ) {
 246                         for ( n = 0; sync_descs[ n ] != NULL; n++ ) ;
 247                         attrs = (char**) ch_malloc( (n+1)* sizeof(char*) );
 248                         attrs[i++] = ch_strdup( "*" );
 249                         for ( j = 1; sync_descs[ j ] != NULL; j++ ) {
 250                                 attrs[i++] = ch_strdup ( sync_descs[j]->ad_cname.bv_val );
 251                         }
 252                 } else if ( !si->si_allattrs && si->si_allopattrs ) {
 253                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 254                         attrs[i++] = ch_strdup( "+" );
 255                         attrs[i++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 256                 }
 257                 attrs[i] = NULL;
 258         }
 259
 260         si->si_attrs = attrs;
 261
 262         exattrs = anlist2attrs( si->si_exanlist );
 263
 264         if ( exattrs ) {
 265                 for ( n = 0; exattrs[n] != NULL; n++ ) ;
 266
 267                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 268                         j = 0;
 269                         while ( exattrs[j] != NULL ) {
 270                                 if ( !strcmp( exattrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
 271                                         ch_free( exattrs[j] );
 272                                         for ( k = j; exattrs[k] != NULL; k++ ) {
 273                                                 exattrs[k] = exattrs[k+1];
 274                                         }
 275                                 } else {
 276                                         j++;
 277                                 }
 278                         }
 279                 }
 280
 281                 for ( i = 0; exattrs[i] != NULL; i++ ) {
 282                         for ( j = 0; si->si_anlist[j].an_name.bv_val; j++ ) {
 283                                 ObjectClass     *oc;
 284                                 if ( ( oc = si->si_anlist[j].an_oc ) ) {
 285                                         k = 0;
 286                                         while ( oc->soc_required[k] ) {
 287                                                 if ( !strcmp( exattrs[i],
 288                                                          oc->soc_required[k]->sat_cname.bv_val ) ) {
 289                                                         ch_free( exattrs[i] );
 290                                                         for ( l = i; exattrs[l]; l++ ) {
 291                                                                 exattrs[l] = exattrs[l+1];
 292                                                         }
 293                                                 } else {
 294                                                         k++;
 295                                                 }
 296                                         }
 297                                 }
 298                         }
 299                 }
 300
 301                 for ( i = 0; exattrs[i] != NULL; i++ ) ;
 302
 303                 if ( i != n )
 304                         exattrs = (char **) ch_realloc( exattrs, (i + 1)*sizeof(char *) );
 305         }
 306
 307         si->si_exattrs = exattrs;
 308 }
 309
 310 typedef struct logschema {
 311         struct berval ls_dn;
 312         struct berval ls_req;
 313         struct berval ls_mod;
 314         struct berval ls_newRdn;
 315         struct berval ls_delRdn;
 316         struct berval ls_newSup;
 317 } logschema;
 318
 319 static logschema changelog_sc = {
 320         BER_BVC("targetDN"),
 321         BER_BVC("changeType"),
 322         BER_BVC("changes"),
 323         BER_BVC("newRDN"),
 324         BER_BVC("deleteOldRDN"),
 325         BER_BVC("newSuperior")
 326 };
 327
 328 static logschema accesslog_sc = {
 329         BER_BVC("reqDN"),
 330         BER_BVC("reqType"),
 331         BER_BVC("reqMod"),
 332         BER_BVC("reqNewRDN"),
 333         BER_BVC("reqDeleteOldRDN"),
 334         BER_BVC("reqNewSuperior")
 335 };
 336
 337 static int
 338 ldap_sync_search(
 339         syncinfo_t *si,
 340         void *ctx )
 341 {
 342         BerElementBuffer berbuf;
 343         BerElement *ber = (BerElement *)&berbuf;
 344         LDAPControl c[2], *ctrls[3];
 345         ber_int_t       msgid;
 346         int rc;
 347         int rhint;
 348         char *base;
 349         char **attrs, *lattrs[8];
 350         char *filter;
 351         int attrsonly;
 352         int scope;
 353
 354         /* setup LDAP SYNC control */
 355         ber_init2( ber, NULL, LBER_USE_DER );
 356         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 357
 358         /* If we're using a log but we have no state, then fallback to
 359          * normal mode for a full refresh.
 360          */
 361         if ( si->si_syncdata && !si->si_syncCookie.numcsns ) {
 362                 si->si_logstate = SYNCLOG_FALLBACK;
 363         }
 364
 365         /* Use the log parameters if we're in log mode */
 366         if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 367                 logschema *ls;
 368                 if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
 369                         ls = &accesslog_sc;
 370                 else
 371                         ls = &changelog_sc;
 372                 lattrs[0] = ls->ls_dn.bv_val;
 373                 lattrs[1] = ls->ls_req.bv_val;
 374                 lattrs[2] = ls->ls_mod.bv_val;
 375                 lattrs[3] = ls->ls_newRdn.bv_val;
 376                 lattrs[4] = ls->ls_delRdn.bv_val;
 377                 lattrs[5] = ls->ls_newSup.bv_val;
 378                 lattrs[6] = slap_schema.si_ad_entryCSN->ad_cname.bv_val;
 379                 lattrs[7] = NULL;
 380
 381                 rhint = 0;
 382                 base = si->si_logbase.bv_val;
 383                 filter = si->si_logfilterstr.bv_val;
 384                 attrs = lattrs;
 385                 attrsonly = 0;
 386                 scope = LDAP_SCOPE_SUBTREE;
 387         } else {
 388                 rhint = 1;
 389                 base = si->si_base.bv_val;
 390                 filter = si->si_filterstr.bv_val;
 391                 attrs = si->si_attrs;
 392                 attrsonly = si->si_attrsonly;
 393                 scope = si->si_scope;
 394         }
 395         if ( si->si_syncdata && si->si_logstate == SYNCLOG_FALLBACK ) {
 396                 si->si_type = LDAP_SYNC_REFRESH_ONLY;
 397         } else {
 398                 si->si_type = si->si_ctype;
 399         }
 400
 401         if ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) )
 402         {
 403                 ber_printf( ber, "{eOb}",
 404                         abs(si->si_type), &si->si_syncCookie.octet_str, rhint );
 405         } else {
 406                 ber_printf( ber, "{eb}",
 407                         abs(si->si_type), rhint );
 408         }
 409
 410         if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 ) ) == LBER_ERROR ) {
 411                 ber_free_buf( ber );
 412                 return rc;
 413         }
 414
 415         c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 416         c[0].ldctl_iscritical = si->si_type < 0;
 417         ctrls[0] = &c[0];
 418
 419         if ( !BER_BVISNULL( &si->si_bindconf.sb_authzId ) ) {
 420                 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 421                 c[1].ldctl_value = si->si_bindconf.sb_authzId;
 422                 c[1].ldctl_iscritical = 1;
 423                 ctrls[1] = &c[1];
 424                 ctrls[2] = NULL;
 425         } else {
 426                 ctrls[1] = NULL;
 427         }
 428
 429         rc = ldap_search_ext( si->si_ld, base, scope, filter, attrs, attrsonly,
 430                 ctrls, NULL, NULL, si->si_slimit, &msgid );
 431         ber_free_buf( ber );
 432         return rc;
 433 }
 434
 435 static int
 436 do_syncrep1(
 437         Operation *op,
 438         syncinfo_t *si )
 439 {
 440         int     rc;
 441         int cmdline_cookie_found = 0;
 442
 443         struct sync_cookie      *sc = NULL;
 444 #ifdef HAVE_TLS
 445         void    *ssl;
 446 #endif
 447
 448         rc = slap_client_connect( &si->si_ld, &si->si_bindconf );
 449         if ( rc != LDAP_SUCCESS ) {
 450                 goto done;
 451         }
 452         op->o_protocol = LDAP_VERSION3;
 453
 454         /* Set SSF to strongest of TLS, SASL SSFs */
 455         op->o_sasl_ssf = 0;
 456         op->o_tls_ssf = 0;
 457         op->o_transport_ssf = 0;
 458 #ifdef HAVE_TLS
 459         if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
 460                 == LDAP_SUCCESS && ssl != NULL )
 461         {
 462                 op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
 463         }
 464 #endif /* HAVE_TLS */
 465         ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &op->o_sasl_ssf );
 466         op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
 467                 ?  op->o_sasl_ssf : op->o_tls_ssf;
 468
 469         ldap_set_option( si->si_ld, LDAP_OPT_TIMELIMIT, &si->si_tlimit );
 470
 471         /* We've just started up, or the remote server hasn't sent us
 472          * any meaningful state.
 473          */
 474         if ( BER_BVISNULL( &si->si_syncCookie.octet_str ) ) {
 475                 int i;
 476
 477                 si->si_syncCookie.rid = si->si_rid;
 478                 si->si_syncCookie.sid = SLAP_SINGLE_SHADOW( si->si_be ) ? -1 :
 479                         slap_serverID;
 480
 481                 LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
 482                         if ( si->si_rid == sc->rid ) {
 483                                 cmdline_cookie_found = 1;
 484                                 break;
 485                         }
 486                 }
 487
 488                 if ( cmdline_cookie_found ) {
 489                         /* cookie is supplied in the command line */
 490
 491                         LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
 492
 493                         /* ctxcsn wasn't parsed yet, do it now */
 494                         slap_parse_sync_cookie( sc, op->o_tmpmemctx );
 495                         slap_sync_cookie_free( &si->si_syncCookie, 0 );
 496                         slap_dup_sync_cookie( &si->si_syncCookie, sc );
 497                         slap_sync_cookie_free( sc, 1 );
 498                 } else {
 499                         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
 500                         if ( !si->si_cookieState->cs_num ) {
 501                                 /* get contextCSN shadow replica from database */
 502                                 BerVarray csn = NULL;
 503                                 void *ctx = op->o_tmpmemctx;
 504
 505                                 op->o_req_ndn = op->o_bd->be_nsuffix[0];
 506                                 op->o_req_dn = op->o_req_ndn;
 507
 508                                 /* try to read stored contextCSN */
 509                                 op->o_tmpmemctx = NULL;
 510                                 backend_attribute( op, NULL, &op->o_req_ndn,
 511                                         slap_schema.si_ad_contextCSN, &csn, ACL_READ );
 512                                 op->o_tmpmemctx = ctx;
 513                                 if ( csn ) {
 514                                         si->si_cookieState->cs_vals = csn;
 515                                         for (i=0; !BER_BVISNULL( &csn[i] ); i++);
 516                                         si->si_cookieState->cs_num = i;
 517                                         si->si_cookieState->cs_sids = slap_parse_csn_sids( csn, i, NULL );
 518                                 }
 519                         }
 520                         if ( si->si_cookieState->cs_num ) {
 521                                 ber_bvarray_free( si->si_syncCookie.ctxcsn );
 522                                 if ( ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 523                                         si->si_cookieState->cs_vals, NULL )) {
 524                                         rc = LDAP_NO_MEMORY;
 525                                         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 526                                         goto done;
 527                                 }
 528                                 si->si_syncCookie.numcsns = si->si_cookieState->cs_num;
 529                                 si->si_syncCookie.sids = ch_malloc( si->si_cookieState->cs_num *
 530                                         sizeof(int) );
 531                                 for ( i=0; i<si->si_syncCookie.numcsns; i++ )
 532                                         si->si_syncCookie.sids[i] = si->si_cookieState->cs_sids[i];
 533                         }
 534                         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 535                 }
 536
 537                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 538                         si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
 539                         si->si_syncCookie.sid );
 540         } else {
 541                 AttributeName at[2];
 542                 Attribute a = {0};
 543                 Entry e = {0};
 544                 SlapReply rs = {0};
 545                 int i, j, changed = 0;
 546
 547                 /* Look for contextCSN from syncprov overlay. If
 548                  * there's no overlay, this will be a no-op. That means
 549                  * this is a pure consumer, so local changes will not be
 550                  * allowed, and all changes will already be reflected in
 551                  * the cookieState.
 552                  */
 553                 a.a_desc = slap_schema.si_ad_contextCSN;
 554                 e.e_attrs = &a;
 555                 e.e_name = si->si_wbe->be_suffix[0];
 556                 e.e_nname = si->si_wbe->be_nsuffix[0];
 557                 rs.sr_entry = &e;
 558                 rs.sr_flags = REP_ENTRY_MODIFIABLE;
 559                 at[0].an_name = a.a_desc->ad_cname;
 560                 at[0].an_desc = a.a_desc;
 561                 BER_BVZERO( &at[1].an_name );
 562                 op->o_req_dn = e.e_name;
 563                 op->o_req_ndn = e.e_nname;
 564
 565                 ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
 566                 rc = backend_operational( op, &rs );
 567                 if ( rc == LDAP_SUCCESS && a.a_vals ) {
 568                         int num = a.a_numvals;
 569                         /* check for differences */
 570                         if ( num != si->si_cookieState->cs_num ) {
 571                                 changed = 1;
 572                         } else {
 573                                 for ( i=0; i<num; i++ ) {
 574                                         if ( ber_bvcmp( &a.a_vals[i],
 575                                                 &si->si_cookieState->cs_vals[i] )) {
 576                                                 changed =1;
 577                                                 break;
 578                                         }
 579                                 }
 580                         }
 581                         if ( changed ) {
 582                                 ber_bvarray_free( si->si_cookieState->cs_vals );
 583                                 ch_free( si->si_cookieState->cs_sids );
 584                                 si->si_cookieState->cs_num = num;
 585                                 si->si_cookieState->cs_vals = a.a_vals;
 586                                 si->si_cookieState->cs_sids = slap_parse_csn_sids( a.a_vals,
 587                                         num, NULL );
 588                                 si->si_cookieState->cs_age++;
 589                         } else {
 590                                 ber_bvarray_free( a.a_vals );
 591                         }
 592                         changed = 0;
 593                 }
 594                 /* See if the cookieState has changed due to anything outside
 595                  * this particular consumer. That includes other consumers in
 596                  * the same context, or local changes detected above.
 597                  */
 598                 if ( si->si_cookieState->cs_num > 1 && si->si_cookieAge !=
 599                         si->si_cookieState->cs_age ) {
 600
 601                         for (i=0; !BER_BVISNULL( &si->si_syncCookie.ctxcsn[i] ); i++) {
 602                                 /* bogus, just dup everything */
 603                                 if ( si->si_syncCookie.sids[i] == -1 ) {
 604                                         ber_bvarray_free( si->si_syncCookie.ctxcsn );
 605                                         ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 606                                                 si->si_cookieState->cs_vals, NULL );
 607                                         changed = 1;
 608                                         break;
 609                                 }
 610                                 for (j=0; j<si->si_cookieState->cs_num; j++) {
 611                                         if ( si->si_syncCookie.sids[i] !=
 612                                                 si->si_cookieState->cs_sids[j] )
 613                                                 continue;
 614                                         if ( bvmatch( &si->si_syncCookie.ctxcsn[i],
 615                                                 &si->si_cookieState->cs_vals[j] ))
 616                                                 break;
 617                                         ber_bvreplace( &si->si_syncCookie.ctxcsn[i],
 618                                                 &si->si_cookieState->cs_vals[j] );
 619                                         changed = 1;
 620                                         break;
 621                                 }
 622                         }
 623                         if ( changed ) {
 624                                 ch_free( si->si_syncCookie.octet_str.bv_val );
 625                                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 626                                         si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
 627                                         SLAP_SINGLE_SHADOW( si->si_be ) ? -1 : slap_serverID );
 628                         }
 629                 }
 630                 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 631         }
 632
 633         si->si_refreshDone = 0;
 634
 635         rc = ldap_sync_search( si, op->o_tmpmemctx );
 636
 637         if( rc != LDAP_SUCCESS ) {
 638                 Debug( LDAP_DEBUG_ANY, "do_syncrep1: %s "
 639                         "ldap_search_ext: %s (%d)\n",
 640                         si->si_ridtxt, ldap_err2string( rc ), rc );
 641         }
 642
 643 done:
 644         if ( rc ) {
 645                 if ( si->si_ld ) {
 646                         ldap_unbind_ext( si->si_ld, NULL, NULL );
 647                         si->si_ld = NULL;
 648                 }
 649         }
 650
 651         return rc;
 652 }
 653
 654 static int
 655 compare_csns( struct sync_cookie *sc1, struct sync_cookie *sc2, int *which )
 656 {
 657         int i, j, match = 0;
 658         const char *text;
 659
 660         *which = 0;
 661
 662         if ( sc1->numcsns < sc2->numcsns ) {
 663                 *which = sc1->numcsns;
 664                 return -1;
 665         }
 666
 667         for (i=0; !BER_BVISNULL( &sc1->ctxcsn[i] ); i++) {
 668                 for (j=0; !BER_BVISNULL( &sc2->ctxcsn[j] ); j++) {
 669                         if ( sc1->sids[i] != sc2->sids[j] )
 670                                 continue;
 671                         value_match( &match, slap_schema.si_ad_entryCSN,
 672                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 673                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 674                                 &sc1->ctxcsn[i], &sc2->ctxcsn[i], &text );
 675                         if ( match < 0 ) {
 676                                 *which = j;
 677                                 return match;
 678                         }
 679                         break;
 680                 }
 681         }
 682         return match;
 683 }
 684
 685 static int
 686 do_syncrep2(
 687         Operation *op,
 688         syncinfo_t *si )
 689 {
 690         LDAPControl     **rctrls = NULL;
 691         LDAPControl     *rctrlp;
 692
 693         BerElementBuffer berbuf;
 694         BerElement      *ber = (BerElement *)&berbuf;
 695
 696         LDAPMessage     *res = NULL;
 697         LDAPMessage     *msg = NULL;
 698
 699         char            *retoid = NULL;
 700         struct berval   *retdata = NULL;
 701
 702         Entry           *entry = NULL;
 703
 704         int             syncstate;
 705         struct berval   syncUUID = BER_BVNULL;
 706         struct sync_cookie      syncCookie = { NULL };
 707         struct sync_cookie      syncCookie_req = { NULL };
 708         struct berval           cookie = BER_BVNULL;
 709
 710         int             rc,
 711                         err = LDAP_SUCCESS;
 712         ber_len_t       len;
 713
 714         struct berval   *psub;
 715         Modifications   *modlist = NULL;
 716
 717         int                             match, m;
 718
 719         struct timeval *tout_p = NULL;
 720         struct timeval tout = { 0, 0 };
 721
 722         int             refreshDeletes = 0;
 723         BerVarray syncUUIDs = NULL;
 724         ber_tag_t si_tag;
 725
 726         if ( slapd_shutdown ) {
 727                 rc = -2;
 728                 goto done;
 729         }
 730
 731         ber_init2( ber, NULL, LBER_USE_DER );
 732         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 733
 734         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2 %s\n", si->si_ridtxt, 0, 0 );
 735
 736         psub = &si->si_be->be_nsuffix[0];
 737
 738         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 739
 740         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 741                 tout_p = &tout;
 742         } else {
 743                 tout_p = NULL;
 744         }
 745
 746         while ( ( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE,
 747                 tout_p, &res ) ) > 0 )
 748         {
 749                 if ( slapd_shutdown ) {
 750                         rc = -2;
 751                         goto done;
 752                 }
 753                 for( msg = ldap_first_message( si->si_ld, res );
 754                         msg != NULL;
 755                         msg = ldap_next_message( si->si_ld, msg ) )
 756                 {
 757                         if ( slapd_shutdown ) {
 758                                 rc = -2;
 759                                 goto done;
 760                         }
 761                         switch( ldap_msgtype( msg ) ) {
 762                         case LDAP_RES_SEARCH_ENTRY:
 763                                 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 764                                 /* we can't work without the control */
 765                                 rctrlp = NULL;
 766                                 if ( rctrls ) {
 767                                         LDAPControl **next;
 768                                         /* NOTE: make sure we use the right one;
 769                                          * a better approach would be to run thru
 770                                          * the whole list and take care of all */
 771                                         rctrlp = ldap_control_find( LDAP_CONTROL_SYNC_STATE, rctrls, &next );
 772                                         if ( next && ldap_control_find( LDAP_CONTROL_SYNC_STATE, next, NULL ) )
 773                                         {
 774                                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 775                                                         "got search entry with multiple "
 776                                                         "Sync State control\n", si->si_ridtxt, 0, 0 );
 777                                                 rc = -1;
 778                                                 goto done;
 779                                         }
 780                                 }
 781                                 if ( rctrlp == NULL ) {
 782                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 783                                                 "got search entry without "
 784                                                 "Sync State control\n", si->si_ridtxt, 0, 0 );
 785                                         rc = -1;
 786                                         goto done;
 787                                 }
 788                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 789                                 ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
 790                                 /* FIXME: what if syncUUID is NULL or empty?
 791                                  * (happens with back-sql...) */
 792                                 if ( BER_BVISEMPTY( &syncUUID ) ) {
 793                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 794                                                 "got empty syncUUID with LDAP_SYNC_%s\n",
 795                                                 si->si_ridtxt,
 796                                                 syncrepl_state2str( syncstate ), 0 );
 797                                         ldap_controls_free( rctrls );
 798                                         rc = -1;
 799                                         goto done;
 800                                 }
 801                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 802                                         ber_scanf( ber, /*"{"*/ "m}", &cookie );
 803
 804                                         Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
 805                                                 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
 806
 807                                         if ( !BER_BVISNULL( &cookie ) ) {
 808                                                 ch_free( syncCookie.octet_str.bv_val );
 809                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 810                                         }
 811                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 812                                         {
 813                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 814                                         }
 815                                 }
 816                                 rc = 0;
 817                                 if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 818                                         modlist = NULL;
 819                                         if ( ( rc = syncrepl_message_to_op( si, op, msg ) ) == LDAP_SUCCESS &&
 820                                                 syncCookie.ctxcsn )
 821                                         {
 822                                                 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 823                                         }
 824                                 } else if ( ( rc = syncrepl_message_to_entry( si, op, msg,
 825                                         &modlist, &entry, syncstate ) ) == LDAP_SUCCESS )
 826                                 {
 827                                         if ( ( rc = syncrepl_entry( si, op, entry, &modlist,
 828                                                 syncstate, &syncUUID, syncCookie.ctxcsn ) ) == LDAP_SUCCESS &&
 829                                                 syncCookie.ctxcsn )
 830                                         {
 831                                                 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 832                                         }
 833                                 }
 834                                 ldap_controls_free( rctrls );
 835                                 if ( modlist ) {
 836                                         slap_mods_free( modlist, 1 );
 837                                 }
 838                                 if ( rc )
 839                                         goto done;
 840                                 break;
 841
 842                         case LDAP_RES_SEARCH_REFERENCE:
 843                                 Debug( LDAP_DEBUG_ANY,
 844                                         "do_syncrep2: %s reference received error\n",
 845                                         si->si_ridtxt, 0, 0 );
 846                                 break;
 847
 848                         case LDAP_RES_SEARCH_RESULT:
 849                                 Debug( LDAP_DEBUG_SYNC,
 850                                         "do_syncrep2: %s LDAP_RES_SEARCH_RESULT\n",
 851                                         si->si_ridtxt, 0, 0 );
 852                                 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 853                                         &rctrls, 0 );
 854 #ifdef LDAP_X_SYNC_REFRESH_REQUIRED
 855                                 if ( err == LDAP_X_SYNC_REFRESH_REQUIRED ) {
 856                                         /* map old result code to registered code */
 857                                         err = LDAP_SYNC_REFRESH_REQUIRED;
 858                                 }
 859 #endif
 860                                 if ( err == LDAP_SYNC_REFRESH_REQUIRED ) {
 861                                         if ( si->si_logstate == SYNCLOG_LOGGING ) {
 862                                                 si->si_logstate = SYNCLOG_FALLBACK;
 863                                         }
 864                                         rc = err;
 865                                         goto done;
 866                                 }
 867                                 if ( rctrls ) {
 868                                         rctrlp = *rctrls;
 869                                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 870
 871                                         ber_scanf( ber, "{" /*"}"*/);
 872                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 873                                                 ber_scanf( ber, "m", &cookie );
 874
 875                                                 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
 876                                                         BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
 877
 878                                                 if ( !BER_BVISNULL( &cookie ) ) {
 879                                                         ch_free( syncCookie.octet_str.bv_val );
 880                                                         ber_dupbv( &syncCookie.octet_str, &cookie);
 881                                                 }
 882                                                 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 883                                                 {
 884                                                         slap_parse_sync_cookie( &syncCookie, NULL );
 885                                                 }
 886                                         }
 887                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 888                                         {
 889                                                 ber_scanf( ber, "b", &refreshDeletes );
 890                                         }
 891                                         ber_scanf( ber, /*"{"*/ "}" );
 892                                 }
 893                                 if ( !syncCookie.ctxcsn ) {
 894                                         match = 1;
 895                                 } else if ( !syncCookie_req.ctxcsn ) {
 896                                         match = -1;
 897                                         m = 0;
 898                                 } else {
 899                                         match = compare_csns( &syncCookie_req, &syncCookie, &m );
 900                                 }
 901                                 if ( rctrls ) {
 902                                         ldap_controls_free( rctrls );
 903                                 }
 904                                 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 905                                         /* FIXME : different error behaviors according to
 906                                          *      1) err code : LDAP_BUSY ...
 907                                          *      2) on err policy : stop service, stop sync, retry
 908                                          */
 909                                         if ( refreshDeletes == 0 && match < 0 &&
 910                                                 err == LDAP_SUCCESS )
 911                                         {
 912                                                 syncrepl_del_nonpresent( op, si, NULL,
 913                                                         &syncCookie.ctxcsn[m] );
 914                                         } else {
 915                                                 avl_free( si->si_presentlist, ch_free );
 916                                                 si->si_presentlist = NULL;
 917                                         }
 918                                 }
 919                                 if ( syncCookie.ctxcsn && match < 0 && err == LDAP_SUCCESS )
 920                                 {
 921                                         rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 922                                 }
 923                                 if ( err == LDAP_SUCCESS
 924                                         && si->si_logstate == SYNCLOG_FALLBACK ) {
 925                                         si->si_logstate = SYNCLOG_LOGGING;
 926                                         rc = LDAP_SYNC_REFRESH_REQUIRED;
 927                                 } else {
 928                                         rc = -2;
 929                                 }
 930                                 goto done;
 931                                 break;
 932
 933                         case LDAP_RES_INTERMEDIATE:
 934                                 rc = ldap_parse_intermediate( si->si_ld, msg,
 935                                         &retoid, &retdata, NULL, 0 );
 936                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 937                                         ber_init2( ber, retdata, LBER_USE_DER );
 938
 939                                         switch ( si_tag = ber_peek_tag( ber, &len ) ) {
 940                                         ber_tag_t tag;
 941                                         case LDAP_TAG_SYNC_NEW_COOKIE:
 942                                                 Debug( LDAP_DEBUG_SYNC,
 943                                                         "do_syncrep2: %s %s - %s\n",
 944                                                         si->si_ridtxt,
 945                                                         "LDAP_RES_INTERMEDIATE",
 946                                                         "NEW_COOKIE" );
 947                                                 ber_scanf( ber, "tm", &tag, &cookie );
 948                                                 break;
 949                                         case LDAP_TAG_SYNC_REFRESH_DELETE:
 950                                         case LDAP_TAG_SYNC_REFRESH_PRESENT:
 951                                                 Debug( LDAP_DEBUG_SYNC,
 952                                                         "do_syncrep2: %s %s - %s\n",
 953                                                         si->si_ridtxt,
 954                                                         "LDAP_RES_INTERMEDIATE",
 955                                                         si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ?
 956                                                         "REFRESH_PRESENT" : "REFRESH_DELETE" );
 957                                                 if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) {
 958                                                         si->si_refreshDelete = 1;
 959                                                 } else {
 960                                                         si->si_refreshPresent = 1;
 961                                                 }
 962                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 963                                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 964                                                 {
 965                                                         ber_scanf( ber, "m", &cookie );
 966
 967                                                         Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
 968                                                                 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
 969
 970                                                         if ( !BER_BVISNULL( &cookie ) ) {
 971                                                                 ch_free( syncCookie.octet_str.bv_val );
 972                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 973                                                         }
 974                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 975                                                         {
 976                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 977                                                         }
 978                                                 }
 979                                                 /* Defaults to TRUE */
 980                                                 if ( ber_peek_tag( ber, &len ) ==
 981                                                         LDAP_TAG_REFRESHDONE )
 982                                                 {
 983                                                         ber_scanf( ber, "b", &si->si_refreshDone );
 984                                                 } else
 985                                                 {
 986                                                         si->si_refreshDone = 1;
 987                                                 }
 988                                                 ber_scanf( ber, /*"{"*/ "}" );
 989                                                 break;
 990                                         case LDAP_TAG_SYNC_ID_SET:
 991                                                 Debug( LDAP_DEBUG_SYNC,
 992                                                         "do_syncrep2: %s %s - %s\n",
 993                                                         si->si_ridtxt,
 994                                                         "LDAP_RES_INTERMEDIATE",
 995                                                         "SYNC_ID_SET" );
 996                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 997                                                 if ( ber_peek_tag( ber, &len ) ==
 998                                                         LDAP_TAG_SYNC_COOKIE )
 999                                                 {
1000                                                         ber_scanf( ber, "m", &cookie );
1001
1002                                                         Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
1003                                                                 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
1004
1005                                                         if ( !BER_BVISNULL( &cookie ) ) {
1006                                                                 ch_free( syncCookie.octet_str.bv_val );
1007                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
1008                                                         }
1009                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
1010                                                         {
1011                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
1012                                                                 compare_csns( &syncCookie_req, &syncCookie, &m );
1013                                                         }
1014                                                 }
1015                                                 if ( ber_peek_tag( ber, &len ) ==
1016                                                         LDAP_TAG_REFRESHDELETES )
1017                                                 {
1018                                                         ber_scanf( ber, "b", &refreshDeletes );
1019                                                 }
1020                                                 ber_scanf( ber, "[W]", &syncUUIDs );
1021                                                 ber_scanf( ber, /*"{"*/ "}" );
1022                                                 if ( refreshDeletes ) {
1023                                                         syncrepl_del_nonpresent( op, si, syncUUIDs,
1024                                                                 &syncCookie.ctxcsn[m] );
1025                                                         ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx );
1026                                                 } else {
1027                                                         int i;
1028                                                         for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) {
1029                                                                 (void)avl_presentlist_insert( si, &syncUUIDs[i] );
1030                                                                 slap_sl_free( syncUUIDs[i].bv_val, op->o_tmpmemctx );
1031                                                         }
1032                                                         slap_sl_free( syncUUIDs, op->o_tmpmemctx );
1033                                                 }
1034                                                 slap_sync_cookie_free( &syncCookie, 0 );
1035                                                 break;
1036                                         default:
1037                                                 Debug( LDAP_DEBUG_ANY,
1038                                                         "do_syncrep2: %s unknown syncinfo tag (%ld)\n",
1039                                                         si->si_ridtxt, (long) si_tag, 0 );
1040                                                 ldap_memfree( retoid );
1041                                                 ber_bvfree( retdata );
1042                                                 continue;
1043                                         }
1044
1045                                         if ( !syncCookie.ctxcsn ) {
1046                                                 match = 1;
1047                                         } else if ( !syncCookie_req.ctxcsn ) {
1048                                                 match = -1;
1049                                                 m = 0;
1050                                         } else {
1051                                                 match = compare_csns( &syncCookie_req, &syncCookie, &m );
1052                                         }
1053
1054                                         if ( match < 0 ) {
1055                                                 if ( si->si_refreshPresent == 1 ) {
1056                                                         syncrepl_del_nonpresent( op, si, NULL,
1057                                                                 &syncCookie.ctxcsn[m] );
1058                                                 }
1059
1060                                                 if ( syncCookie.ctxcsn )
1061                                                 {
1062                                                         rc = syncrepl_updateCookie( si, op, psub, &syncCookie);
1063                                                 }
1064                                         }
1065
1066                                         ldap_memfree( retoid );
1067                                         ber_bvfree( retdata );
1068                                         break;
1069
1070                                 } else {
1071                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1072                                                 "unknown intermediate response (%d)\n",
1073                                                 si->si_ridtxt, rc, 0 );
1074                                         ldap_memfree( retoid );
1075                                         ber_bvfree( retdata );
1076                                         break;
1077                                 }
1078                                 break;
1079
1080                         default:
1081                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1082                                         "unknown message (0x%02lx)\n",
1083                                         si->si_ridtxt,
1084                                         (unsigned long)ldap_msgtype( msg ), 0 );
1085                                 break;
1086
1087                         }
1088                         if ( !BER_BVISNULL( &syncCookie.octet_str ) ) {
1089                                 slap_sync_cookie_free( &syncCookie_req, 0 );
1090                                 slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
1091                                 slap_sync_cookie_free( &syncCookie, 0 );
1092                         }
1093                 }
1094                 ldap_msgfree( res );
1095                 res = NULL;
1096         }
1097
1098         if ( rc == -1 ) {
1099                 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
1100                 err = rc;
1101         }
1102
1103 done:
1104         if ( err != LDAP_SUCCESS ) {
1105                 Debug( LDAP_DEBUG_ANY,
1106                         "do_syncrep2: %s (%d) %s\n",
1107                         si->si_ridtxt, err, ldap_err2string( err ) );
1108         }
1109
1110         slap_sync_cookie_free( &syncCookie, 0 );
1111         slap_sync_cookie_free( &syncCookie_req, 0 );
1112
1113         if ( res ) ldap_msgfree( res );
1114
1115         if ( rc && rc != LDAP_SYNC_REFRESH_REQUIRED && si->si_ld ) {
1116                 if ( si->si_conn_setup ) {
1117                         ber_socket_t s;
1118                         ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1119                         connection_client_stop( s );
1120                         si->si_conn_setup = 0;
1121                 }
1122                 ldap_unbind_ext( si->si_ld, NULL, NULL );
1123                 si->si_ld = NULL;
1124         }
1125
1126         return rc;
1127 }
1128
1129 static void *
1130 do_syncrepl(
1131         void    *ctx,
1132         void    *arg )
1133 {
1134         struct re_s* rtask = arg;
1135         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
1136         Connection conn = {0};
1137         OperationBuffer opbuf;
1138         Operation *op;
1139         int rc = LDAP_SUCCESS;
1140         int dostop = 0;
1141         ber_socket_t s;
1142         int i, defer = 1, fail = 0;
1143         Backend *be;
1144
1145         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl %s\n", si->si_ridtxt, 0, 0 );
1146
1147         if ( si == NULL )
1148                 return NULL;
1149
1150         ldap_pvt_thread_mutex_lock( &si->si_mutex );
1151
1152         switch( abs( si->si_type ) ) {
1153         case LDAP_SYNC_REFRESH_ONLY:
1154         case LDAP_SYNC_REFRESH_AND_PERSIST:
1155                 break;
1156         default:
1157                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1158                 return NULL;
1159         }
1160
1161         if ( slapd_shutdown ) {
1162                 if ( si->si_ld ) {
1163                         if ( si->si_conn_setup ) {
1164                                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1165                                 connection_client_stop( s );
1166                                 si->si_conn_setup = 0;
1167                         }
1168                         ldap_unbind_ext( si->si_ld, NULL, NULL );
1169                         si->si_ld = NULL;
1170                 }
1171                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1172                 return NULL;
1173         }
1174
1175         connection_fake_init( &conn, &opbuf, ctx );
1176         op = &opbuf.ob_op;
1177
1178         /* use global malloc for now */
1179         op->o_tmpmemctx = NULL;
1180         op->o_tmpmfuncs = &ch_mfuncs;
1181
1182         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1183         op->o_bd = be = si->si_be;
1184         op->o_dn = op->o_bd->be_rootdn;
1185         op->o_ndn = op->o_bd->be_rootndn;
1186         if ( !si->si_schemachecking )
1187                 op->o_no_schema_check = 1;
1188
1189         /* If we're glued, send writes through the glue parent */
1190         if ( !si->si_wbe ) {
1191                 if ( SLAP_GLUE_SUBORDINATE( be )) {
1192                         si->si_wbe = select_backend( &be->be_nsuffix[0], 1 );
1193                 } else {
1194                         si->si_wbe = be;
1195                 }
1196         }
1197
1198         /* Establish session, do search */
1199         if ( !si->si_ld ) {
1200                 si->si_refreshDelete = 0;
1201                 si->si_refreshPresent = 0;
1202                 rc = do_syncrep1( op, si );
1203         }
1204
1205 reload:
1206         /* Process results */
1207         if ( rc == LDAP_SUCCESS ) {
1208                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1209
1210                 rc = do_syncrep2( op, si );
1211                 if ( rc == LDAP_SYNC_REFRESH_REQUIRED ) {
1212                         rc = ldap_sync_search( si, op->o_tmpmemctx );
1213                         goto reload;
1214                 }
1215
1216                 /* We got deleted while running on cn=config */
1217                 if ( !si->si_ctype ) {
1218                         if ( si->si_conn_setup )
1219                                 dostop = 1;
1220                         rc = -1;
1221                 }
1222
1223                 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
1224                         /* If we succeeded, enable the connection for further listening.
1225                          * If we failed, tear down the connection and reschedule.
1226                          */
1227                         if ( rc == LDAP_SUCCESS ) {
1228                                 if ( si->si_conn_setup ) {
1229                                         connection_client_enable( s );
1230                                 } else {
1231                                         rc = connection_client_setup( s, do_syncrepl, arg );
1232                                         if ( rc == 0 )
1233                                                 si->si_conn_setup = 1;
1234                                 }
1235                         } else if ( si->si_conn_setup ) {
1236                                 dostop = 1;
1237                         }
1238                 } else {
1239                         if ( rc == -2 ) rc = 0;
1240                 }
1241         }
1242
1243         /* At this point, we have 4 cases:
1244          * 1) for any hard failure, give up and remove this task
1245          * 2) for ServerDown, reschedule this task to run
1246          * 3) for Refresh and Success, reschedule to run
1247          * 4) for Persist and Success, reschedule to defer
1248          */
1249         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
1250
1251         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask ) ) {
1252                 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
1253         }
1254
1255         if ( dostop ) {
1256                 connection_client_stop( s );
1257         }
1258
1259         if ( rc == LDAP_SUCCESS ) {
1260                 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
1261                         defer = 0;
1262                 }
1263                 rtask->interval.tv_sec = si->si_interval;
1264                 ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
1265                 if ( si->si_retrynum ) {
1266                         for ( i = 0; si->si_retrynum_init[i] != RETRYNUM_TAIL; i++ ) {
1267                                 si->si_retrynum[i] = si->si_retrynum_init[i];
1268                         }
1269                         si->si_retrynum[i] = RETRYNUM_TAIL;
1270                 }
1271         } else {
1272                 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
1273                         if ( si->si_retrynum[i] == RETRYNUM_FOREVER || si->si_retrynum[i] == RETRYNUM_TAIL )
1274                                 break;
1275                 }
1276
1277                 if ( !si->si_ctype
1278                         || !si->si_retrynum || si->si_retrynum[i] == RETRYNUM_TAIL ) {
1279                         ldap_pvt_runqueue_remove( &slapd_rq, rtask );
1280                         fail = RETRYNUM_TAIL;
1281                 } else if ( RETRYNUM_VALID( si->si_retrynum[i] ) ) {
1282                         if ( si->si_retrynum[i] > 0 )
1283                                 si->si_retrynum[i]--;
1284                         fail = si->si_retrynum[i];
1285                         rtask->interval.tv_sec = si->si_retryinterval[i];
1286                         ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1287                         slap_wake_listener();
1288                 }
1289         }
1290
1291         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1292         ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1293
1294         if ( rc ) {
1295                 if ( fail == RETRYNUM_TAIL ) {
1296                         Debug( LDAP_DEBUG_ANY,
1297                                 "do_syncrepl: %s quitting\n",
1298                                 si->si_ridtxt, 0, 0 );
1299                 } else if ( fail > 0 ) {
1300                         Debug( LDAP_DEBUG_ANY,
1301                                 "do_syncrepl: %s retrying (%d retries left)\n",
1302                                 si->si_ridtxt, fail, 0 );
1303                 } else {
1304                         Debug( LDAP_DEBUG_ANY,
1305                                 "do_syncrepl: %s retrying\n",
1306                                 si->si_ridtxt, 0, 0 );
1307                 }
1308         }
1309
1310         /* Do final delete cleanup */
1311         if ( !si->si_ctype ) {
1312                 cookie_state *cs = NULL;
1313                 syncinfo_t **sip;
1314
1315                 cs = be->be_syncinfo->si_cookieState;
1316                 for ( sip = &be->be_syncinfo; *sip != si; sip = &(*sip)->si_next );
1317                 *sip = si->si_next;
1318                 syncinfo_free( si, 0 );
1319                 if ( !be->be_syncinfo ) {
1320                         SLAP_DBFLAGS( be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
1321                         if ( cs ) {
1322                                 ch_free( cs->cs_sids );
1323                                 ber_bvarray_free( cs->cs_vals );
1324                                 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
1325                                 ch_free( cs );
1326                         }
1327                 }
1328         }
1329         return NULL;
1330 }
1331
1332 static slap_verbmasks modops[] = {
1333         { BER_BVC("add"), LDAP_REQ_ADD },
1334         { BER_BVC("delete"), LDAP_REQ_DELETE },
1335         { BER_BVC("modify"), LDAP_REQ_MODIFY },
1336         { BER_BVC("modrdn"), LDAP_REQ_MODRDN},
1337         { BER_BVNULL, 0 }
1338 };
1339
1340 static Modifications *
1341 syncrepl_accesslog_mods(
1342         syncinfo_t *si,
1343         struct berval *vals
1344 )
1345 {
1346         char *colon;
1347         const char *text;
1348         AttributeDescription *ad;
1349         struct berval bv, bv2;
1350         short op;
1351         Modifications *mod = NULL, *modlist = NULL, **modtail;
1352         int i;
1353
1354         modtail = &modlist;
1355
1356         for (i=0; !BER_BVISNULL( &vals[i] ); i++) {
1357                 ad = NULL;
1358                 bv = vals[i];
1359
1360                 colon = ber_bvchr( &bv, ':' );
1361                 if ( !colon ) {
1362                         /* Invalid */
1363                         continue;
1364                 }
1365
1366                 bv.bv_len = colon - bv.bv_val;
1367                 if ( slap_bv2ad( &bv, &ad, &text ) ) {
1368                         /* Invalid */
1369                         continue;
1370                 }
1371
1372                 /* Ignore dynamically generated attrs */
1373                 if ( ad->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1374                         continue;
1375                 }
1376
1377                 /* Ignore excluded attrs */
1378                 if ( ldap_charray_inlist( si->si_exattrs,
1379                         ad->ad_type->sat_cname.bv_val ) )
1380                 {
1381                         continue;
1382                 }
1383
1384                 switch(colon[1]) {
1385                 case '+':       op = LDAP_MOD_ADD; break;
1386                 case '-':       op = LDAP_MOD_DELETE; break;
1387                 case '=':       op = LDAP_MOD_REPLACE; break;
1388                 case '#':       op = LDAP_MOD_INCREMENT; break;
1389                 default:        continue;
1390                 }
1391
1392                 if ( !mod || ad != mod->sml_desc || op != mod->sml_op ) {
1393                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1394                         mod->sml_flags = 0;
1395                         mod->sml_op = op;
1396                         mod->sml_next = NULL;
1397                         mod->sml_desc = ad;
1398                         mod->sml_type = ad->ad_cname;
1399                         mod->sml_values = NULL;
1400                         mod->sml_nvalues = NULL;
1401                         mod->sml_numvals = 0;
1402
1403                         *modtail = mod;
1404                         modtail = &mod->sml_next;
1405                 }
1406                 if ( colon[2] == ' ' ) {
1407                         bv.bv_val = colon + 3;
1408                         bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val );
1409                         ber_dupbv( &bv2, &bv );
1410                         ber_bvarray_add( &mod->sml_values, &bv2 );
1411                         mod->sml_numvals++;
1412                 }
1413         }
1414         return modlist;
1415 }
1416
1417 static Modifications *
1418 syncrepl_changelog_mods(
1419         syncinfo_t *si,
1420         struct berval *vals
1421 )
1422 {
1423         return NULL;    /* FIXME */
1424 }
1425
1426 static int
1427 syncrepl_message_to_op(
1428         syncinfo_t      *si,
1429         Operation       *op,
1430         LDAPMessage     *msg
1431 )
1432 {
1433         BerElement      *ber = NULL;
1434         Modifications   *modlist = NULL;
1435         logschema *ls;
1436         SlapReply rs = { REP_RESULT };
1437         slap_callback cb = { NULL, null_callback, NULL, NULL };
1438
1439         const char      *text;
1440         char txtbuf[SLAP_TEXT_BUFLEN];
1441         size_t textlen = sizeof txtbuf;
1442
1443         struct berval   bdn, dn = BER_BVNULL, ndn;
1444         struct berval   bv, *bvals = NULL;
1445         struct berval   rdn = BER_BVNULL, sup = BER_BVNULL,
1446                 prdn = BER_BVNULL, nrdn = BER_BVNULL,
1447                 psup = BER_BVNULL, nsup = BER_BVNULL;
1448         int             rc, deleteOldRdn = 0, freeReqDn = 0;
1449
1450         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1451                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1452                         "Message type should be entry (%d)",
1453                         si->si_ridtxt, ldap_msgtype( msg ), 0 );
1454                 return -1;
1455         }
1456
1457         if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
1458                 ls = &accesslog_sc;
1459         else
1460                 ls = &changelog_sc;
1461
1462         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1463
1464         if ( rc != LDAP_SUCCESS ) {
1465                 Debug( LDAP_DEBUG_ANY,
1466                         "syncrepl_message_to_op: %s dn get failed (%d)",
1467                         si->si_ridtxt, rc, 0 );
1468                 return rc;
1469         }
1470
1471         op->o_tag = LBER_DEFAULT;
1472         op->o_bd = si->si_wbe;
1473
1474         while (( rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, &bvals ) )
1475                 == LDAP_SUCCESS ) {
1476                 if ( bv.bv_val == NULL )
1477                         break;
1478
1479                 if ( !ber_bvstrcasecmp( &bv, &ls->ls_dn ) ) {
1480                         bdn = bvals[0];
1481                         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1482                         ber_dupbv( &op->o_req_dn, &dn );
1483                         ber_dupbv( &op->o_req_ndn, &ndn );
1484                         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1485                         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1486                         freeReqDn = 1;
1487                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_req ) ) {
1488                         int i = verb_to_mask( bvals[0].bv_val, modops );
1489                         if ( i < 0 ) {
1490                                 Debug( LDAP_DEBUG_ANY,
1491                                         "syncrepl_message_to_op: %s unknown op %s",
1492                                         si->si_ridtxt, bvals[0].bv_val, 0 );
1493                                 ch_free( bvals );
1494                                 rc = -1;
1495                                 goto done;
1496                         }
1497                         op->o_tag = modops[i].mask;
1498                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_mod ) ) {
1499                         /* Parse attribute into modlist */
1500                         if ( si->si_syncdata == SYNCDATA_ACCESSLOG ) {
1501                                 modlist = syncrepl_accesslog_mods( si, bvals );
1502                         } else {
1503                                 modlist = syncrepl_changelog_mods( si, bvals );
1504                         }
1505                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newRdn ) ) {
1506                         rdn = bvals[0];
1507                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_delRdn ) ) {
1508                         if ( !ber_bvstrcasecmp( &slap_true_bv, bvals ) ) {
1509                                 deleteOldRdn = 1;
1510                         }
1511                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup ) ) {
1512                         sup = bvals[0];
1513                 } else if ( !ber_bvstrcasecmp( &bv,
1514                         &slap_schema.si_ad_entryCSN->ad_cname ) )
1515                 {
1516                         slap_queue_csn( op, bvals );
1517                 }
1518                 ch_free( bvals );
1519         }
1520
1521         /* If we didn't get a mod type or a target DN, bail out */
1522         if ( op->o_tag == LBER_DEFAULT || BER_BVISNULL( &dn ) ) {
1523                 rc = -1;
1524                 goto done;
1525         }
1526
1527         op->o_callback = &cb;
1528         slap_op_time( &op->o_time, &op->o_tincr );
1529
1530         switch( op->o_tag ) {
1531         case LDAP_REQ_ADD:
1532         case LDAP_REQ_MODIFY:
1533                 /* If we didn't get required data, bail */
1534                 if ( !modlist ) goto done;
1535
1536                 rc = slap_mods_check( op, modlist, &text, txtbuf, textlen, NULL );
1537
1538                 if ( rc != LDAP_SUCCESS ) {
1539                         Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1540                                 "mods check (%s)\n",
1541                                 si->si_ridtxt, text, 0 );
1542                         goto done;
1543                 }
1544
1545                 if ( op->o_tag == LDAP_REQ_ADD ) {
1546                         Entry *e = entry_alloc();
1547                         op->ora_e = e;
1548                         op->ora_e->e_name = op->o_req_dn;
1549                         op->ora_e->e_nname = op->o_req_ndn;
1550                         freeReqDn = 0;
1551                         rc = slap_mods2entry( modlist, &op->ora_e, 1, 0, &text, txtbuf, textlen);
1552                         if( rc != LDAP_SUCCESS ) {
1553                                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1554                                 "mods2entry (%s)\n",
1555                                         si->si_ridtxt, text, 0 );
1556                         } else {
1557                                 rc = op->o_bd->be_add( op, &rs );
1558                                 Debug( LDAP_DEBUG_SYNC,
1559                                         "syncrepl_message_to_op: %s be_add %s (%d)\n",
1560                                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1561                         }
1562                         if ( e == op->ora_e )
1563                                 be_entry_release_w( op, op->ora_e );
1564                 } else {
1565                         op->orm_modlist = modlist;
1566                         op->o_bd = si->si_wbe;
1567                         rc = op->o_bd->be_modify( op, &rs );
1568                         modlist = op->orm_modlist;
1569                         Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1570                                 "syncrepl_message_to_op: %s be_modify %s (%d)\n",
1571                                 si->si_ridtxt, op->o_req_dn.bv_val, rc );
1572                         op->o_bd = si->si_be;
1573                 }
1574                 break;
1575         case LDAP_REQ_MODRDN:
1576                 if ( BER_BVISNULL( &rdn ) ) goto done;
1577
1578                 if ( rdnPretty( NULL, &rdn, &prdn, NULL ) ) {
1579                         goto done;
1580                 }
1581                 if ( rdnNormalize( 0, NULL, NULL, &rdn, &nrdn, NULL ) ) {
1582                         goto done;
1583                 }
1584                 if ( !BER_BVISNULL( &sup ) ) {
1585                         if ( dnPrettyNormal( NULL, &sup, &psup, &nsup, NULL ) ) {
1586                                 goto done;
1587                         }
1588                         op->orr_newSup = &psup;
1589                         op->orr_nnewSup = &nsup;
1590                 } else {
1591                         op->orr_newSup = NULL;
1592                         op->orr_nnewSup = NULL;
1593                 }
1594                 op->orr_newrdn = prdn;
1595                 op->orr_nnewrdn = nrdn;
1596                 op->orr_deleteoldrdn = deleteOldRdn;
1597                 op->orr_modlist = NULL;
1598                 if ( slap_modrdn2mods( op, &rs ) ) {
1599                         goto done;
1600                 }
1601
1602                 /* Append modlist for operational attrs */
1603                 {
1604                         Modifications *m;
1605
1606                         for ( m = op->orr_modlist; m->sml_next; m = m->sml_next )
1607                                 ;
1608                         m->sml_next = modlist;
1609                         modlist = NULL;
1610                 }
1611                 rc = op->o_bd->be_modrdn( op, &rs );
1612                 slap_mods_free( op->orr_modlist, 1 );
1613                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1614                         "syncrepl_message_to_op: %s be_modrdn %s (%d)\n",
1615                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1616                 break;
1617         case LDAP_REQ_DELETE:
1618                 rc = op->o_bd->be_delete( op, &rs );
1619                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1620                         "syncrepl_message_to_op: %s be_delete %s (%d)\n",
1621                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1622                 break;
1623         }
1624 done:
1625         slap_graduate_commit_csn( op );
1626         op->o_bd = si->si_be;
1627         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
1628         BER_BVZERO( &op->o_csn );
1629         if ( modlist ) {
1630                 slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
1631         }
1632         if ( !BER_BVISNULL( &rdn ) ) {
1633                 if ( !BER_BVISNULL( &nsup ) ) {
1634                         ch_free( nsup.bv_val );
1635                 }
1636                 if ( !BER_BVISNULL( &psup ) ) {
1637                         ch_free( psup.bv_val );
1638                 }
1639                 if ( !BER_BVISNULL( &nrdn ) ) {
1640                         ch_free( nrdn.bv_val );
1641                 }
1642                 if ( !BER_BVISNULL( &prdn ) ) {
1643                         ch_free( prdn.bv_val );
1644                 }
1645         }
1646         if ( freeReqDn ) {
1647                 ch_free( op->o_req_ndn.bv_val );
1648                 ch_free( op->o_req_dn.bv_val );
1649         }
1650         ber_free( ber, 0 );
1651         return rc;
1652 }
1653
1654 static int
1655 syncrepl_message_to_entry(
1656         syncinfo_t      *si,
1657         Operation       *op,
1658         LDAPMessage     *msg,
1659         Modifications   **modlist,
1660         Entry                   **entry,
1661         int             syncstate
1662 )
1663 {
1664         Entry           *e = NULL;
1665         BerElement      *ber = NULL;
1666         Modifications   tmp;
1667         Modifications   *mod;
1668         Modifications   **modtail = modlist;
1669
1670         const char      *text;
1671         char txtbuf[SLAP_TEXT_BUFLEN];
1672         size_t textlen = sizeof txtbuf;
1673
1674         struct berval   bdn = BER_BVNULL, dn, ndn;
1675         int             rc, is_ctx;
1676
1677         *modlist = NULL;
1678
1679         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1680                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s "
1681                         "Message type should be entry (%d)",
1682                         si->si_ridtxt, ldap_msgtype( msg ), 0 );
1683                 return -1;
1684         }
1685
1686         op->o_tag = LDAP_REQ_ADD;
1687
1688         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1689         if ( rc != LDAP_SUCCESS ) {
1690                 Debug( LDAP_DEBUG_ANY,
1691                         "syncrepl_message_to_entry: %s dn get failed (%d)",
1692                         si->si_ridtxt, rc, 0 );
1693                 return rc;
1694         }
1695
1696         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1697                 /* NOTE: this could be done even before decoding the DN,
1698                  * although encoding errors wouldn't be detected */
1699                 rc = LDAP_SUCCESS;
1700                 goto done;
1701         }
1702
1703         if ( entry == NULL ) {
1704                 return -1;
1705         }
1706
1707         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1708         ber_dupbv( &op->o_req_dn, &dn );
1709         ber_dupbv( &op->o_req_ndn, &ndn );
1710         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1711         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1712
1713         is_ctx = dn_match( &op->o_req_ndn, &op->o_bd->be_nsuffix[0] );
1714
1715         e = entry_alloc();
1716         e->e_name = op->o_req_dn;
1717         e->e_nname = op->o_req_ndn;
1718
1719         while ( ber_remaining( ber ) ) {
1720                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1721                         LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) )
1722                 {
1723                         break;
1724                 }
1725
1726                 /* Drop all updates to the contextCSN of the context entry
1727                  * (ITS#4622, etc.)
1728                  */
1729                 if ( is_ctx && !strcasecmp( tmp.sml_type.bv_val,
1730                         slap_schema.si_ad_contextCSN->ad_cname.bv_val )) {
1731                         ber_bvarray_free( tmp.sml_values );
1732                         continue;
1733                 }
1734
1735                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ) );
1736
1737                 mod->sml_op = LDAP_MOD_REPLACE;
1738                 mod->sml_flags = 0;
1739                 mod->sml_next = NULL;
1740                 mod->sml_desc = NULL;
1741                 mod->sml_type = tmp.sml_type;
1742                 mod->sml_values = tmp.sml_values;
1743                 mod->sml_nvalues = NULL;
1744                 mod->sml_numvals = 0;   /* slap_mods_check will set this */
1745
1746                 *modtail = mod;
1747                 modtail = &mod->sml_next;
1748         }
1749
1750         if ( *modlist == NULL ) {
1751                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s no attributes\n",
1752                         si->si_ridtxt, 0, 0 );
1753                 rc = -1;
1754                 goto done;
1755         }
1756
1757         rc = slap_mods_check( op, *modlist, &text, txtbuf, textlen, NULL );
1758
1759         if ( rc != LDAP_SUCCESS ) {
1760                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods check (%s)\n",
1761                         si->si_ridtxt, text, 0 );
1762                 goto done;
1763         }
1764
1765         /* Strip out dynamically generated attrs */
1766         for ( modtail = modlist; *modtail ; ) {
1767                 mod = *modtail;
1768                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1769                         *modtail = mod->sml_next;
1770                         slap_mod_free( &mod->sml_mod, 0 );
1771                         ch_free( mod );
1772                 } else {
1773                         modtail = &mod->sml_next;
1774                 }
1775         }
1776
1777         /* Strip out attrs in exattrs list */
1778         for ( modtail = modlist; *modtail ; ) {
1779                 mod = *modtail;
1780                 if ( ldap_charray_inlist( si->si_exattrs,
1781                         mod->sml_desc->ad_type->sat_cname.bv_val ) )
1782                 {
1783                         *modtail = mod->sml_next;
1784                         slap_mod_free( &mod->sml_mod, 0 );
1785                         ch_free( mod );
1786                 } else {
1787                         modtail = &mod->sml_next;
1788                 }
1789         }
1790
1791         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1792         if( rc != LDAP_SUCCESS ) {
1793                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods2entry (%s)\n",
1794                         si->si_ridtxt, text, 0 );
1795         }
1796
1797 done:
1798         ber_free( ber, 0 );
1799         if ( rc != LDAP_SUCCESS ) {
1800                 if ( e ) {
1801                         entry_free( e );
1802                         e = NULL;
1803                 }
1804         }
1805         if ( entry )
1806                 *entry = e;
1807
1808         return rc;
1809 }
1810
1811 static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
1812
1813 /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
1814  * entry if a previous refresh was interrupted before sending us a new
1815  * context state. We try to compare the new entry to the existing entry
1816  * and ignore the new entry if they are the same.
1817  *
1818  * Also, we may get an update where the entryDN has changed, due to
1819  * a ModDn on the provider. We detect this as well, so we can issue
1820  * the corresponding operation locally.
1821  *
1822  * In the case of a modify, we get a list of all the attributes
1823  * in the original entry. Rather than deleting the entry and re-adding it,
1824  * we issue a Modify request that deletes all the attributes and adds all
1825  * the new ones. This avoids the issue of trying to delete/add a non-leaf
1826  * entry.
1827  *
1828  * We otherwise distinguish ModDN from Modify; in the case of
1829  * a ModDN we just use the CSN, modifyTimestamp and modifiersName
1830  * operational attributes from the entry, and do a regular ModDN.
1831  */
1832 typedef struct dninfo {
1833         Entry *new_entry;
1834         struct berval dn;
1835         struct berval ndn;
1836         int renamed;    /* Was an existing entry renamed? */
1837         int delOldRDN;  /* Was old RDN deleted? */
1838         Modifications **modlist;        /* the modlist we received */
1839         Modifications *mods;    /* the modlist we compared */
1840 } dninfo;
1841
1842 /* return 1 if inserted, 0 otherwise */
1843 static int
1844 avl_presentlist_insert(
1845         syncinfo_t* si,
1846         struct berval *syncUUID )
1847 {
1848         struct berval *syncuuid_bv = ch_malloc( sizeof( struct berval ) + syncUUID->bv_len + 1 );
1849
1850         syncuuid_bv->bv_len = syncUUID->bv_len;
1851         syncuuid_bv->bv_val = (char *)&syncuuid_bv[1];
1852         AC_MEMCPY( syncuuid_bv->bv_val, syncUUID->bv_val, syncUUID->bv_len );
1853         syncuuid_bv->bv_val[ syncuuid_bv->bv_len ] = '\0';
1854
1855         if ( avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1856                 syncuuid_cmp, avl_dup_error ) )
1857         {
1858                 ch_free( syncuuid_bv );
1859                 return 0;
1860         }
1861
1862         return 1;
1863 }
1864
1865 static int
1866 syncrepl_entry(
1867         syncinfo_t* si,
1868         Operation *op,
1869         Entry* entry,
1870         Modifications** modlist,
1871         int syncstate,
1872         struct berval* syncUUID,
1873         struct berval* syncCSN )
1874 {
1875         Backend *be = op->o_bd;
1876         slap_callback   cb = { NULL, NULL, NULL, NULL };
1877         int syncuuid_inserted = 0;
1878         struct berval   syncUUID_strrep = BER_BVNULL;
1879
1880         SlapReply       rs_search = {REP_RESULT};
1881         SlapReply       rs_delete = {REP_RESULT};
1882         SlapReply       rs_add = {REP_RESULT};
1883         SlapReply       rs_modify = {REP_RESULT};
1884         Filter f = {0};
1885         AttributeAssertion ava = ATTRIBUTEASSERTION_INIT;
1886         int rc = LDAP_SUCCESS;
1887
1888         struct berval pdn = BER_BVNULL;
1889         dninfo dni = {0};
1890         int     retry = 1;
1891         int     freecsn = 1;
1892
1893         Debug( LDAP_DEBUG_SYNC,
1894                 "syncrepl_entry: %s LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_%s)\n",
1895                 si->si_ridtxt, syncrepl_state2str( syncstate ), 0 );
1896
1897         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD ) ) {
1898                 if ( !si->si_refreshPresent && !si->si_refreshDone ) {
1899                         syncuuid_inserted = avl_presentlist_insert( si, syncUUID );
1900                 }
1901         }
1902
1903         if ( syncstate == LDAP_SYNC_PRESENT ) {
1904                 return 0;
1905         } else if ( syncstate != LDAP_SYNC_DELETE ) {
1906                 if ( entry == NULL ) {
1907                         return 0;
1908                 }
1909         }
1910
1911         (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1912         if ( syncstate != LDAP_SYNC_DELETE ) {
1913                 Attribute       *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID );
1914
1915                 if ( a == NULL ) {
1916                         /* add if missing */
1917                         attr_merge_one( entry, slap_schema.si_ad_entryUUID,
1918                                 &syncUUID_strrep, syncUUID );
1919
1920                 } else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) {
1921                         /* replace only if necessary */
1922                         if ( a->a_nvals != a->a_vals ) {
1923                                 ber_memfree( a->a_nvals[0].bv_val );
1924                                 ber_dupbv( &a->a_nvals[0], syncUUID );
1925                         }
1926                         ber_memfree( a->a_vals[0].bv_val );
1927                         ber_dupbv( &a->a_vals[0], &syncUUID_strrep );
1928                 }
1929         }
1930
1931         f.f_choice = LDAP_FILTER_EQUALITY;
1932         f.f_ava = &ava;
1933         ava.aa_desc = slap_schema.si_ad_entryUUID;
1934         ava.aa_value = *syncUUID;
1935
1936         if ( syncuuid_inserted ) {
1937                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s inserted UUID %s\n",
1938                         si->si_ridtxt, syncUUID_strrep.bv_val, 0 );
1939         }
1940         op->ors_filter = &f;
1941
1942         op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID_strrep.bv_len;
1943         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
1944                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1945         AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) );
1946         AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )],
1947                 syncUUID_strrep.bv_val, syncUUID_strrep.bv_len );
1948         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
1949         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1950
1951         op->o_tag = LDAP_REQ_SEARCH;
1952         op->ors_scope = LDAP_SCOPE_SUBTREE;
1953         op->ors_deref = LDAP_DEREF_NEVER;
1954
1955         /* get the entry for this UUID */
1956         op->o_req_dn = si->si_base;
1957         op->o_req_ndn = si->si_base;
1958
1959         op->o_time = slap_get_time();
1960         op->ors_tlimit = SLAP_NO_LIMIT;
1961         op->ors_slimit = 1;
1962
1963         op->ors_attrs = slap_anlist_all_attributes;
1964         op->ors_attrsonly = 0;
1965
1966         /* set callback function */
1967         op->o_callback = &cb;
1968         cb.sc_response = dn_callback;
1969         cb.sc_private = &dni;
1970         dni.new_entry = entry;
1971         dni.modlist = modlist;
1972
1973         if ( limits_check( op, &rs_search ) == 0 ) {
1974                 rc = be->be_search( op, &rs_search );
1975                 Debug( LDAP_DEBUG_SYNC,
1976                                 "syncrepl_entry: %s be_search (%d)\n",
1977                                 si->si_ridtxt, rc, 0 );
1978         }
1979
1980         if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
1981                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1982         }
1983
1984         cb.sc_response = null_callback;
1985         cb.sc_private = si;
1986
1987         if ( entry && !BER_BVISNULL( &entry->e_name ) ) {
1988                 Debug( LDAP_DEBUG_SYNC,
1989                                 "syncrepl_entry: %s %s\n",
1990                                 si->si_ridtxt, entry->e_name.bv_val, 0 );
1991         } else {
1992                 Debug( LDAP_DEBUG_SYNC,
1993                                 "syncrepl_entry: %s %s\n",
1994                                 si->si_ridtxt, dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0 );
1995         }
1996
1997         assert( BER_BVISNULL( &op->o_csn ) );
1998         if ( syncCSN ) {
1999                 slap_queue_csn( op, syncCSN );
2000         }
2001
2002         slap_op_time( &op->o_time, &op->o_tincr );
2003         switch ( syncstate ) {
2004         case LDAP_SYNC_ADD:
2005         case LDAP_SYNC_MODIFY:
2006                 if ( BER_BVISNULL( &op->o_csn ))
2007                 {
2008
2009                         Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN );
2010                         if ( a ) {
2011                                 /* FIXME: op->o_csn is assumed to be
2012                                  * on the thread's slab; this needs
2013                                  * to be cleared ASAP.
2014                                  * What happens if already present?
2015                                  */
2016                                 assert( BER_BVISNULL( &op->o_csn ) );
2017                                 op->o_csn = a->a_vals[0];
2018                                 freecsn = 0;
2019                         }
2020                 }
2021 retry_add:;
2022                 if ( BER_BVISNULL( &dni.dn ) ) {
2023
2024                         op->o_req_dn = entry->e_name;
2025                         op->o_req_ndn = entry->e_nname;
2026                         op->o_tag = LDAP_REQ_ADD;
2027                         op->ora_e = entry;
2028                         op->o_bd = si->si_wbe;
2029
2030                         rc = op->o_bd->be_add( op, &rs_add );
2031                         Debug( LDAP_DEBUG_SYNC,
2032                                         "syncrepl_entry: %s be_add (%d)\n",
2033                                         si->si_ridtxt, rc, 0 );
2034                         switch ( rs_add.sr_err ) {
2035                         case LDAP_SUCCESS:
2036                                 if ( op->ora_e == entry ) {
2037                                         be_entry_release_w( op, entry );
2038                                 }
2039                                 entry = NULL;
2040                                 break;
2041
2042                         case LDAP_REFERRAL:
2043                         /* we assume that LDAP_NO_SUCH_OBJECT is returned
2044                          * only if the suffix entry is not present */
2045                         case LDAP_NO_SUCH_OBJECT:
2046                                 rc = syncrepl_add_glue( op, entry );
2047                                 entry = NULL;
2048                                 break;
2049
2050                         /* if an entry was added via syncrepl_add_glue(),
2051                          * it likely has no entryUUID, so the previous
2052                          * be_search() doesn't find it.  In this case,
2053                          * give syncrepl a chance to modify it. Also
2054                          * allow for entries that were recreated with the
2055                          * same DN but a different entryUUID.
2056                          */
2057                         case LDAP_ALREADY_EXISTS:
2058                                 if ( retry ) {
2059                                         Operation       op2 = *op;
2060                                         SlapReply       rs2 = { 0 };
2061                                         slap_callback   cb2 = { 0 };
2062
2063                                         op2.o_bd = be;
2064                                         op2.o_tag = LDAP_REQ_SEARCH;
2065                                         op2.o_req_dn = entry->e_name;
2066                                         op2.o_req_ndn = entry->e_nname;
2067                                         op2.ors_scope = LDAP_SCOPE_BASE;
2068                                         op2.ors_deref = LDAP_DEREF_NEVER;
2069                                         op2.ors_attrs = slap_anlist_all_attributes;
2070                                         op2.ors_attrsonly = 0;
2071                                         op2.ors_limit = NULL;
2072                                         op2.ors_slimit = 1;
2073                                         op2.ors_tlimit = SLAP_NO_LIMIT;
2074
2075                                         f.f_choice = LDAP_FILTER_PRESENT;
2076                                         f.f_desc = slap_schema.si_ad_objectClass;
2077                                         op2.ors_filter = &f;
2078                                         op2.ors_filterstr = generic_filterstr;
2079
2080                                         op2.o_callback = &cb2;
2081                                         cb2.sc_response = dn_callback;
2082                                         cb2.sc_private = &dni;
2083
2084                                         rc = be->be_search( &op2, &rs2 );
2085                                         if ( rc ) goto done;
2086
2087                                         retry = 0;
2088                                         slap_op_time( &op->o_time, &op->o_tincr );
2089                                         goto retry_add;
2090                                 }
2091                                 /* FALLTHRU */
2092
2093                         default:
2094                                 Debug( LDAP_DEBUG_ANY,
2095                                         "syncrepl_entry: %s be_add failed (%d)\n",
2096                                         si->si_ridtxt, rs_add.sr_err, 0 );
2097                                 break;
2098                         }
2099                         op->o_bd = be;
2100                         goto done;
2101                 }
2102                 /* FALLTHRU */
2103                 op->o_req_dn = dni.dn;
2104                 op->o_req_ndn = dni.ndn;
2105                 if ( dni.renamed ) {
2106                         struct berval noldp, newp, nnewp;
2107
2108                         op->o_tag = LDAP_REQ_MODRDN;
2109                         dnRdn( &entry->e_name, &op->orr_newrdn );
2110                         dnRdn( &entry->e_nname, &op->orr_nnewrdn );
2111
2112                         dnParent( &dni.ndn, &noldp );
2113                         dnParent( &entry->e_nname, &nnewp );
2114                         if ( !dn_match( &noldp, &nnewp ) ) {
2115                                 dnParent( &entry->e_name, &newp );
2116                                 op->orr_newSup = &newp;
2117                                 op->orr_nnewSup = &nnewp;
2118                         } else {
2119                                 op->orr_newSup = NULL;
2120                                 op->orr_nnewSup = NULL;
2121                         }
2122                         op->orr_deleteoldrdn = dni.delOldRDN;
2123                         op->orr_modlist = NULL;
2124                         if ( ( rc = slap_modrdn2mods( op, &rs_modify ) ) ) {
2125                                 goto done;
2126                         }
2127
2128                         /* RDNs must be NUL-terminated for back-ldap */
2129                         noldp = op->orr_newrdn;
2130                         ber_dupbv_x( &op->orr_newrdn, &noldp, op->o_tmpmemctx );
2131                         noldp = op->orr_nnewrdn;
2132                         ber_dupbv_x( &op->orr_nnewrdn, &noldp, op->o_tmpmemctx );
2133
2134                         /* Setup opattrs too */
2135                         {
2136                                 static AttributeDescription *nullattr = NULL;
2137                                 static AttributeDescription **const opattrs[] = {
2138                                         &slap_schema.si_ad_entryCSN,
2139                                         &slap_schema.si_ad_modifiersName,
2140                                         &slap_schema.si_ad_modifyTimestamp,
2141                                         &nullattr
2142                                 };
2143                                 AttributeDescription *opattr;
2144                                 Modifications *mod, **modtail, **ml;
2145                                 int i;
2146
2147                                 for ( mod = op->orr_modlist;
2148                                         mod->sml_next;
2149                                         mod = mod->sml_next )
2150                                         ;
2151                                 modtail = &mod->sml_next;
2152
2153                                 /* pull mod off incoming modlist, append to orr_modlist */
2154                                 for ( i = 0; (opattr = *opattrs[i]) != NULL; i++ ) {
2155                                         for ( ml = modlist; *ml; ml = &(*ml)->sml_next )
2156                                         {
2157                                                 if ( (*ml)->sml_desc == opattr ) {
2158                                                         mod = *ml;
2159                                                         *ml = mod->sml_next;
2160                                                         mod->sml_next = NULL;
2161                                                         *modtail = mod;
2162                                                         modtail = &mod->sml_next;
2163                                                         break;
2164                                                 }
2165                                         }
2166                                 }
2167                         }
2168                         op->o_bd = si->si_wbe;
2169                         rc = op->o_bd->be_modrdn( op, &rs_modify );
2170                         op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
2171                         op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
2172
2173                         slap_mods_free( op->orr_modlist, 1 );
2174                         Debug( LDAP_DEBUG_SYNC,
2175                                         "syncrepl_entry: %s be_modrdn (%d)\n",
2176                                         si->si_ridtxt, rc, 0 );
2177                         op->o_bd = be;
2178                         goto done;
2179                 }
2180                 if ( dni.mods ) {
2181                         op->o_tag = LDAP_REQ_MODIFY;
2182                         op->orm_modlist = dni.mods;
2183                         op->orm_no_opattrs = 1;
2184                         op->o_bd = si->si_wbe;
2185
2186                         rc = op->o_bd->be_modify( op, &rs_modify );
2187                         slap_mods_free( op->orm_modlist, 1 );
2188                         op->orm_no_opattrs = 0;
2189                         Debug( LDAP_DEBUG_SYNC,
2190                                         "syncrepl_entry: %s be_modify (%d)\n",
2191                                         si->si_ridtxt, rc, 0 );
2192                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
2193                                 Debug( LDAP_DEBUG_ANY,
2194                                         "syncrepl_entry: %s be_modify failed (%d)\n",
2195                                         si->si_ridtxt, rs_modify.sr_err, 0 );
2196                         }
2197                         op->o_bd = be;
2198                 } else {
2199                         Debug( LDAP_DEBUG_SYNC,
2200                                         "syncrepl_entry: %s entry unchanged, ignored (%s)\n",
2201                                         si->si_ridtxt, op->o_req_dn.bv_val, 0 );
2202                 }
2203                 goto done;
2204         case LDAP_SYNC_DELETE :
2205                 if ( !BER_BVISNULL( &dni.dn ) ) {
2206                         op->o_req_dn = dni.dn;
2207                         op->o_req_ndn = dni.ndn;
2208                         op->o_tag = LDAP_REQ_DELETE;
2209                         op->o_bd = si->si_wbe;
2210                         rc = op->o_bd->be_delete( op, &rs_delete );
2211                         Debug( LDAP_DEBUG_SYNC,
2212                                         "syncrepl_entry: %s be_delete (%d)\n",
2213                                         si->si_ridtxt, rc, 0 );
2214
2215                         while ( rs_delete.sr_err == LDAP_SUCCESS
2216                                 && op->o_delete_glue_parent ) {
2217                                 op->o_delete_glue_parent = 0;
2218                                 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2219                                         slap_callback cb = { NULL };
2220                                         cb.sc_response = slap_null_cb;
2221                                         dnParent( &op->o_req_ndn, &pdn );
2222                                         op->o_req_dn = pdn;
2223                                         op->o_req_ndn = pdn;
2224                                         op->o_callback = &cb;
2225                                         op->o_bd->be_delete( op, &rs_delete );
2226                                 } else {
2227                                         break;
2228                                 }
2229                         }
2230                         op->o_bd = be;
2231                 }
2232                 goto done;
2233
2234         default :
2235                 Debug( LDAP_DEBUG_ANY,
2236                         "syncrepl_entry: %s unknown syncstate\n", si->si_ridtxt, 0, 0 );
2237                 goto done;
2238         }
2239
2240 done:
2241         if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
2242                 slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
2243                 BER_BVZERO( &syncUUID_strrep );
2244         }
2245         if ( !BER_BVISNULL( &dni.ndn ) ) {
2246                 op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
2247         }
2248         if ( !BER_BVISNULL( &dni.dn ) ) {
2249                 op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
2250         }
2251         if ( entry ) {
2252                 entry_free( entry );
2253         }
2254         if ( syncCSN ) {
2255                 slap_graduate_commit_csn( op );
2256         }
2257         if ( !BER_BVISNULL( &op->o_csn ) && freecsn ) {
2258                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2259         }
2260         BER_BVZERO( &op->o_csn );
2261         return rc;
2262 }
2263
2264 static struct berval gcbva[] = {
2265         BER_BVC("top"),
2266         BER_BVC("glue"),
2267         BER_BVNULL
2268 };
2269
2270 #define NP_DELETE_ONE   2
2271
2272 static void
2273 syncrepl_del_nonpresent(
2274         Operation *op,
2275         syncinfo_t *si,
2276         BerVarray uuids,
2277         struct berval *cookiecsn )
2278 {
2279         Backend* be = op->o_bd;
2280         slap_callback   cb = { NULL };
2281         SlapReply       rs_search = {REP_RESULT};
2282         SlapReply       rs_delete = {REP_RESULT};
2283         SlapReply       rs_modify = {REP_RESULT};
2284         struct nonpresent_entry *np_list, *np_prev;
2285         int rc;
2286         AttributeName   an[2];
2287
2288         struct berval pdn = BER_BVNULL;
2289         struct berval csn;
2290
2291         op->o_req_dn = si->si_base;
2292         op->o_req_ndn = si->si_base;
2293
2294         cb.sc_response = nonpresent_callback;
2295         cb.sc_private = si;
2296
2297         op->o_callback = &cb;
2298         op->o_tag = LDAP_REQ_SEARCH;
2299         op->ors_scope = si->si_scope;
2300         op->ors_deref = LDAP_DEREF_NEVER;
2301         op->o_time = slap_get_time();
2302         op->ors_tlimit = SLAP_NO_LIMIT;
2303
2304
2305         if ( uuids ) {
2306                 Filter uf;
2307                 AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;
2308                 int i;
2309
2310                 op->ors_attrsonly = 1;
2311                 op->ors_attrs = slap_anlist_no_attrs;
2312                 op->ors_limit = NULL;
2313                 op->ors_filter = &uf;
2314
2315                 uf.f_ava = &eq;
2316                 uf.f_av_desc = slap_schema.si_ad_entryUUID;
2317                 uf.f_next = NULL;
2318                 uf.f_choice = LDAP_FILTER_EQUALITY;
2319                 si->si_refreshDelete |= NP_DELETE_ONE;
2320
2321                 for (i=0; uuids[i].bv_val; i++) {
2322                         op->ors_slimit = 1;
2323                         uf.f_av_value = uuids[i];
2324                         filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2325                         rc = be->be_search( op, &rs_search );
2326                         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2327                 }
2328                 si->si_refreshDelete ^= NP_DELETE_ONE;
2329         } else {
2330                 memset( &an[0], 0, 2 * sizeof( AttributeName ) );
2331                 an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
2332                 an[0].an_desc = slap_schema.si_ad_entryUUID;
2333                 op->ors_attrs = an;
2334                 op->ors_slimit = SLAP_NO_LIMIT;
2335                 op->ors_attrsonly = 0;
2336                 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
2337                 op->ors_filterstr = si->si_filterstr;
2338                 op->o_nocaching = 1;
2339
2340                 if ( limits_check( op, &rs_search ) == 0 ) {
2341                         rc = be->be_search( op, &rs_search );
2342                 }
2343                 if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
2344         }
2345
2346         op->o_nocaching = 0;
2347
2348         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
2349
2350                 if ( cookiecsn && !BER_BVISNULL( cookiecsn ) ) {
2351                         csn = *cookiecsn;
2352                 } else {
2353                         csn = si->si_syncCookie.ctxcsn[0];
2354                 }
2355
2356                 op->o_bd = si->si_wbe;
2357                 slap_queue_csn( op, &csn );
2358
2359                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
2360                 while ( np_list != NULL ) {
2361                         LDAP_LIST_REMOVE( np_list, npe_link );
2362                         np_prev = np_list;
2363                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
2364                         op->o_tag = LDAP_REQ_DELETE;
2365                         op->o_callback = &cb;
2366                         cb.sc_response = null_callback;
2367                         cb.sc_private = si;
2368                         op->o_req_dn = *np_prev->npe_name;
2369                         op->o_req_ndn = *np_prev->npe_nname;
2370                         rc = op->o_bd->be_delete( op, &rs_delete );
2371                         Debug( LDAP_DEBUG_SYNC,
2372                                 "syncrepl_del_nonpresent: %s be_delete %s (%d)\n",
2373                                 si->si_ridtxt, op->o_req_dn.bv_val, rc );
2374
2375                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
2376                                 Modifications mod1, mod2;
2377                                 mod1.sml_op = LDAP_MOD_REPLACE;
2378                                 mod1.sml_flags = 0;
2379                                 mod1.sml_desc = slap_schema.si_ad_objectClass;
2380                                 mod1.sml_type = mod1.sml_desc->ad_cname;
2381                                 mod1.sml_numvals = 2;
2382                                 mod1.sml_values = &gcbva[0];
2383                                 mod1.sml_nvalues = NULL;
2384                                 mod1.sml_next = &mod2;
2385
2386                                 mod2.sml_op = LDAP_MOD_REPLACE;
2387                                 mod2.sml_flags = 0;
2388                                 mod2.sml_desc = slap_schema.si_ad_structuralObjectClass;
2389                                 mod2.sml_type = mod2.sml_desc->ad_cname;
2390                                 mod2.sml_numvals = 1;
2391                                 mod2.sml_values = &gcbva[1];
2392                                 mod2.sml_nvalues = NULL;
2393                                 mod2.sml_next = NULL;
2394
2395                                 op->o_tag = LDAP_REQ_MODIFY;
2396                                 op->orm_modlist = &mod1;
2397
2398                                 rc = op->o_bd->be_modify( op, &rs_modify );
2399                                 if ( mod2.sml_next ) slap_mods_free( mod2.sml_next, 1 );
2400                         }
2401
2402                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
2403                                         op->o_delete_glue_parent ) {
2404                                 op->o_delete_glue_parent = 0;
2405                                 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2406                                         slap_callback cb = { NULL };
2407                                         cb.sc_response = slap_null_cb;
2408                                         dnParent( &op->o_req_ndn, &pdn );
2409                                         op->o_req_dn = pdn;
2410                                         op->o_req_ndn = pdn;
2411                                         op->o_callback = &cb;
2412                                         /* give it a root privil ? */
2413                                         op->o_bd->be_delete( op, &rs_delete );
2414                                 } else {
2415                                         break;
2416                                 }
2417                         }
2418
2419                         op->o_delete_glue_parent = 0;
2420
2421                         ber_bvfree( np_prev->npe_name );
2422                         ber_bvfree( np_prev->npe_nname );
2423                         ch_free( np_prev );
2424
2425                         if ( slapd_shutdown ) {
2426                                 break;
2427                         }
2428                 }
2429
2430                 slap_graduate_commit_csn( op );
2431                 op->o_bd = be;
2432
2433                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2434                 BER_BVZERO( &op->o_csn );
2435         }
2436
2437         return;
2438 }
2439
2440 int
2441 syncrepl_add_glue(
2442         Operation* op,
2443         Entry *e )
2444 {
2445         Backend *be = op->o_bd;
2446         slap_callback cb = { NULL };
2447         Attribute       *a;
2448         int     rc;
2449         int suffrdns;
2450         int i;
2451         struct berval dn = BER_BVNULL;
2452         struct berval ndn = BER_BVNULL;
2453         Entry   *glue;
2454         SlapReply       rs_add = {REP_RESULT};
2455         struct berval   ptr, nptr;
2456         char            *comma;
2457
2458         op->o_tag = LDAP_REQ_ADD;
2459         op->o_callback = &cb;
2460         cb.sc_response = null_callback;
2461         cb.sc_private = NULL;
2462
2463         dn = e->e_name;
2464         ndn = e->e_nname;
2465
2466         /* count RDNs in suffix */
2467         if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
2468                 for ( i = 0, ptr = be->be_nsuffix[0], comma = ptr.bv_val; comma != NULL; comma = ber_bvchr( &ptr, ',' ) ) {
2469                         comma++;
2470                         ptr.bv_len -= comma - ptr.bv_val;
2471                         ptr.bv_val = comma;
2472                         i++;
2473                 }
2474                 suffrdns = i;
2475         } else {
2476                 /* suffix is "" */
2477                 suffrdns = 0;
2478         }
2479
2480         /* Start with BE suffix */
2481         ptr = dn;
2482         for ( i = 0; i < suffrdns; i++ ) {
2483                 comma = ber_bvrchr( &ptr, ',' );
2484                 if ( comma != NULL ) {
2485                         ptr.bv_len = comma - ptr.bv_val;
2486                 } else {
2487                         ptr.bv_len = 0;
2488                         break;
2489                 }
2490         }
2491
2492         if ( !BER_BVISEMPTY( &ptr ) ) {
2493                 dn.bv_len -= ptr.bv_len + 1;
2494                 dn.bv_val += ptr.bv_len + 1;
2495         }
2496
2497         /* the normalizedDNs are always the same length, no counting
2498          * required.
2499          */
2500         nptr = ndn;
2501         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
2502                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
2503                 ndn.bv_len = be->be_nsuffix[0].bv_len;
2504
2505                 nptr.bv_len = ndn.bv_val - nptr.bv_val - 1;
2506
2507         } else {
2508                 nptr.bv_len = 0;
2509         }
2510
2511         while ( ndn.bv_val > e->e_nname.bv_val ) {
2512                 glue = entry_alloc();
2513                 ber_dupbv( &glue->e_name, &dn );
2514                 ber_dupbv( &glue->e_nname, &ndn );
2515
2516                 a = attr_alloc( slap_schema.si_ad_objectClass );
2517
2518                 a->a_numvals = 2;
2519                 a->a_vals = ch_calloc( 3, sizeof( struct berval ) );
2520                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
2521                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
2522                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
2523
2524                 a->a_nvals = a->a_vals;
2525
2526                 a->a_next = glue->e_attrs;
2527                 glue->e_attrs = a;
2528
2529                 a = attr_alloc( slap_schema.si_ad_structuralObjectClass );
2530
2531                 a->a_numvals = 1;
2532                 a->a_vals = ch_calloc( 2, sizeof( struct berval ) );
2533                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
2534                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
2535
2536                 a->a_nvals = a->a_vals;
2537
2538                 a->a_next = glue->e_attrs;
2539                 glue->e_attrs = a;
2540
2541                 op->o_req_dn = glue->e_name;
2542                 op->o_req_ndn = glue->e_nname;
2543                 op->ora_e = glue;
2544                 rc = be->be_add ( op, &rs_add );
2545                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
2546                         if ( op->ora_e == glue )
2547                                 be_entry_release_w( op, glue );
2548                 } else {
2549                 /* incl. ALREADY EXIST */
2550                         entry_free( glue );
2551                         if ( rs_add.sr_err != LDAP_ALREADY_EXISTS ) {
2552                                 entry_free( e );
2553                                 return rc;
2554                         }
2555                 }
2556
2557                 /* Move to next child */
2558                 comma = ber_bvrchr( &ptr, ',' );
2559                 if ( comma == NULL ) {
2560                         break;
2561                 }
2562                 ptr.bv_len = comma - ptr.bv_val;
2563
2564                 dn.bv_val = ++comma;
2565                 dn.bv_len = e->e_name.bv_len - (dn.bv_val - e->e_name.bv_val);
2566
2567                 comma = ber_bvrchr( &nptr, ',' );
2568                 assert( comma != NULL );
2569                 nptr.bv_len = comma - nptr.bv_val;
2570
2571                 ndn.bv_val = ++comma;
2572                 ndn.bv_len = e->e_nname.bv_len - (ndn.bv_val - e->e_nname.bv_val);
2573         }
2574
2575         op->o_req_dn = e->e_name;
2576         op->o_req_ndn = e->e_nname;
2577         op->ora_e = e;
2578         rc = be->be_add ( op, &rs_add );
2579         if ( rs_add.sr_err == LDAP_SUCCESS ) {
2580                 if ( op->ora_e == e )
2581                         be_entry_release_w( op, e );
2582         } else {
2583                 entry_free( e );
2584         }
2585
2586         return rc;
2587 }
2588
2589 static int
2590 syncrepl_updateCookie(
2591         syncinfo_t *si,
2592         Operation *op,
2593         struct berval *pdn,
2594         struct sync_cookie *syncCookie )
2595 {
2596         Backend *be = op->o_bd;
2597         Modifications mod[2];
2598         struct berval first = BER_BVNULL;
2599
2600         int rc, i, j, len;
2601
2602         slap_callback cb = { NULL };
2603         SlapReply       rs_modify = {REP_RESULT};
2604
2605         mod[0].sml_op = LDAP_MOD_DELETE;
2606         mod[0].sml_desc = slap_schema.si_ad_contextCSN;
2607         mod[0].sml_type = mod[0].sml_desc->ad_cname;
2608         mod[0].sml_values = NULL;
2609         mod[0].sml_nvalues = NULL;
2610         mod[0].sml_numvals = 0;
2611         mod[0].sml_next = &mod[1];
2612
2613         mod[1].sml_op = LDAP_MOD_ADD;
2614         mod[1].sml_desc = slap_schema.si_ad_contextCSN;
2615         mod[1].sml_type = mod[0].sml_desc->ad_cname;
2616         mod[1].sml_values = NULL;
2617         mod[1].sml_nvalues = NULL;
2618         mod[1].sml_numvals = 0;
2619         mod[1].sml_next = NULL;
2620
2621         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
2622
2623         for ( i=0; i<syncCookie->numcsns; i++ ) {
2624                 for ( j=0; j<si->si_cookieState->cs_num; j++ ) {
2625                         if ( syncCookie->sids[i] != si->si_cookieState->cs_sids[j] )
2626                                 continue;
2627                         len = syncCookie->ctxcsn[i].bv_len;
2628                         if ( len > si->si_cookieState->cs_vals[j].bv_len )
2629                                 len = si->si_cookieState->cs_vals[j].bv_len;
2630                         if ( memcmp( syncCookie->ctxcsn[i].bv_val,
2631                                 si->si_cookieState->cs_vals[j].bv_val, len ) > 0 ) {
2632                                 ber_bvarray_add_x( &mod[0].sml_values,
2633                                         &si->si_cookieState->cs_vals[j], op->o_tmpmemctx );
2634                                 mod[0].sml_numvals++;
2635                                 ber_bvarray_add_x( &mod[1].sml_values,
2636                                         &syncCookie->ctxcsn[i], op->o_tmpmemctx );
2637                                 mod[1].sml_numvals++;
2638                                 if ( BER_BVISNULL( &first ))
2639                                         first = syncCookie->ctxcsn[i];
2640                         }
2641                         break;
2642                 }
2643                 /* there was no match for this SID, it's a new CSN */
2644                 if ( j == si->si_cookieState->cs_num ) {
2645                         ber_bvarray_add_x( &mod[1].sml_values,
2646                                 &syncCookie->ctxcsn[i], op->o_tmpmemctx );
2647                         mod[1].sml_numvals++;
2648                         if ( BER_BVISNULL( &first ))
2649                                 first = syncCookie->ctxcsn[i];
2650                 }
2651         }
2652         /* Should never happen, ITS#5065 */
2653         if ( BER_BVISNULL( &first )) {
2654                 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
2655                 return 0;
2656         }
2657         op->o_bd = si->si_wbe;
2658         slap_queue_csn( op, &first );
2659
2660         op->o_tag = LDAP_REQ_MODIFY;
2661
2662         cb.sc_response = null_callback;
2663         cb.sc_private = si;
2664
2665         op->o_callback = &cb;
2666         op->o_req_dn = op->o_bd->be_suffix[0];
2667         op->o_req_ndn = op->o_bd->be_nsuffix[0];
2668
2669         /* update contextCSN */
2670         op->o_msgid = SLAP_SYNC_UPDATE_MSGID;
2671
2672         if ( mod[0].sml_values )
2673                 op->orm_modlist = mod;
2674         else
2675                 op->orm_modlist = &mod[1];
2676
2677         op->orm_no_opattrs = 1;
2678         rc = op->o_bd->be_modify( op, &rs_modify );
2679         op->orm_no_opattrs = 0;
2680         op->o_msgid = 0;
2681
2682         if ( rs_modify.sr_err == LDAP_SUCCESS ) {
2683                 slap_sync_cookie_free( &si->si_syncCookie, 0 );
2684                 slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
2685                 /* If we replaced any old values */
2686                 if ( mod[0].sml_values ) {
2687                         for ( i=0; !BER_BVISNULL( &mod[0].sml_values[i] ); i++ ) {
2688                                 for ( j=0; j<si->si_cookieState->cs_num; j++ ) {
2689                                         if ( mod[0].sml_values[i].bv_val !=
2690                                                 si->si_cookieState->cs_vals[j].bv_val )
2691                                                 continue;
2692                                         ber_bvreplace( &si->si_cookieState->cs_vals[j],
2693                                                 &mod[1].sml_values[i] );
2694                                         break;
2695                                 }
2696                         }
2697                 } else {
2698                         /* Else we just added */
2699                         si->si_cookieState->cs_num += syncCookie->numcsns;
2700                         value_add( &si->si_cookieState->cs_vals, syncCookie->ctxcsn );
2701                         free( si->si_cookieState->cs_sids );
2702                         si->si_cookieState->cs_sids = slap_parse_csn_sids(
2703                                 si->si_cookieState->cs_vals, si->si_cookieState->cs_num, NULL );
2704                 }
2705
2706                 si->si_cookieState->cs_age++;
2707                 si->si_cookieAge = si->si_cookieState->cs_age;
2708         } else {
2709                 Debug( LDAP_DEBUG_ANY,
2710                         "syncrepl_updateCookie: %s be_modify failed (%d)\n",
2711                         si->si_ridtxt, rs_modify.sr_err, 0 );
2712         }
2713         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
2714
2715         slap_graduate_commit_csn( op );
2716         op->o_bd = be;
2717         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2718         BER_BVZERO( &op->o_csn );
2719         if ( mod[1].sml_next ) slap_mods_free( mod[1].sml_next, 1 );
2720         op->o_tmpfree( mod[1].sml_values, op->o_tmpmemctx );
2721         op->o_tmpfree( mod[0].sml_values, op->o_tmpmemctx );
2722
2723         return rc;
2724 }
2725
2726 static void
2727 attr_cmp( Operation *op, Attribute *old, Attribute *new,
2728         Modifications ***mret, Modifications ***mcur )
2729 {
2730         int i, j;
2731         Modifications *mod, **modtail;
2732
2733         modtail = *mret;
2734
2735         if ( old ) {
2736                 int n, o, nn, no;
2737                 struct berval **adds, **dels;
2738                 /* count old and new */
2739                 for ( o=0; old->a_vals[o].bv_val; o++ ) ;
2740                 for ( n=0; new->a_vals[n].bv_val; n++ ) ;
2741
2742                 /* there MUST be both old and new values */
2743                 assert( o != 0 );
2744                 assert( n != 0 );
2745                 j = 0;
2746
2747                 adds = op->o_tmpalloc( sizeof(struct berval *) * n, op->o_tmpmemctx );
2748                 dels = op->o_tmpalloc( sizeof(struct berval *) * o, op->o_tmpmemctx );
2749
2750                 for ( i=0; i<o; i++ ) dels[i] = &old->a_vals[i];
2751                 for ( i=0; i<n; i++ ) adds[i] = &new->a_vals[i];
2752
2753                 nn = n; no = o;
2754
2755                 for ( i=0; i<o; i++ ) {
2756                         for ( j=0; j<n; j++ ) {
2757                                 if ( !adds[j] )
2758                                         continue;
2759                                 if ( bvmatch( dels[i], adds[j] ) ) {
2760                                         no--;
2761                                         nn--;
2762                                         adds[j] = NULL;
2763                                         dels[i] = NULL;
2764                                         break;
2765                                 }
2766                         }
2767                 }
2768
2769                 i = j;
2770                 /* all old values were deleted, just use the replace op */
2771                 if ( no == o ) {
2772                         i = j-1;
2773                 } else if ( no ) {
2774                 /* delete some values */
2775                         mod = ch_malloc( sizeof( Modifications ) );
2776                         mod->sml_op = LDAP_MOD_DELETE;
2777                         mod->sml_flags = 0;
2778                         mod->sml_desc = old->a_desc;
2779                         mod->sml_type = mod->sml_desc->ad_cname;
2780                         mod->sml_numvals = no;
2781                         mod->sml_values = ch_malloc( ( no + 1 ) * sizeof(struct berval) );
2782                         if ( old->a_vals != old->a_nvals ) {
2783                                 mod->sml_nvalues = ch_malloc( ( no + 1 ) * sizeof(struct berval) );
2784                         } else {
2785                                 mod->sml_nvalues = NULL;
2786                         }
2787                         j = 0;
2788                         for ( i = 0; i < o; i++ ) {
2789                                 if ( !dels[i] ) continue;
2790                                 ber_dupbv( &mod->sml_values[j], &old->a_vals[i] );
2791                                 if ( mod->sml_nvalues ) {
2792                                         ber_dupbv( &mod->sml_nvalues[j], &old->a_nvals[i] );
2793                                 }
2794                                 j++;
2795                         }
2796                         BER_BVZERO( &mod->sml_values[j] );
2797                         if ( mod->sml_nvalues ) {
2798                                 BER_BVZERO( &mod->sml_nvalues[j] );
2799                         }
2800                         *modtail = mod;
2801                         modtail = &mod->sml_next;
2802                         i = j;
2803                 }
2804                 op->o_tmpfree( dels, op->o_tmpmemctx );
2805                 /* some values were added */
2806                 if ( nn && no < o ) {
2807                         mod = ch_malloc( sizeof( Modifications ) );
2808                         mod->sml_op = LDAP_MOD_ADD;
2809                         mod->sml_flags = 0;
2810                         mod->sml_desc = old->a_desc;
2811                         mod->sml_type = mod->sml_desc->ad_cname;
2812                         mod->sml_numvals = nn;
2813                         mod->sml_values = ch_malloc( ( nn + 1 ) * sizeof(struct berval) );
2814                         if ( old->a_vals != old->a_nvals ) {
2815                                 mod->sml_nvalues = ch_malloc( ( nn + 1 ) * sizeof(struct berval) );
2816                         } else {
2817                                 mod->sml_nvalues = NULL;
2818                         }
2819                         j = 0;
2820                         for ( i = 0; i < n; i++ ) {
2821                                 if ( !adds[i] ) continue;
2822                                 ber_dupbv( &mod->sml_values[j], &new->a_vals[i] );
2823                                 if ( mod->sml_nvalues ) {
2824                                         ber_dupbv( &mod->sml_nvalues[j], &new->a_nvals[i] );
2825                                 }
2826                                 j++;
2827                         }
2828                         BER_BVZERO( &mod->sml_values[j] );
2829                         if ( mod->sml_nvalues ) {
2830                                 BER_BVZERO( &mod->sml_nvalues[j] );
2831                         }
2832                         *modtail = mod;
2833                         modtail = &mod->sml_next;
2834                         i = j;
2835                 }
2836                 op->o_tmpfree( adds, op->o_tmpmemctx );
2837         } else {
2838                 /* new attr, just use the new mod */
2839                 i = 0;
2840                 j = 1;
2841         }
2842         /* advance to next element */
2843         mod = **mcur;
2844         if ( mod ) {
2845                 if ( i != j ) {
2846                         **mcur = mod->sml_next;
2847                         *modtail = mod;
2848                         modtail = &mod->sml_next;
2849                 } else {
2850                         *mcur = &mod->sml_next;
2851                 }
2852         }
2853         *mret = modtail;
2854 }
2855
2856 static int
2857 dn_callback(
2858         Operation*      op,
2859         SlapReply*      rs )
2860 {
2861         dninfo *dni = op->o_callback->sc_private;
2862
2863         if ( rs->sr_type == REP_SEARCH ) {
2864                 if ( !BER_BVISNULL( &dni->dn ) ) {
2865                         Debug( LDAP_DEBUG_ANY,
2866                                 "dn_callback : consistency error - "
2867                                 "entryUUID is not unique\n", 0, 0, 0 );
2868                 } else {
2869                         ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
2870                         ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
2871                         /* If there is a new entry, see if it differs from the old.
2872                          * We compare the non-normalized values so that cosmetic changes
2873                          * in the provider are always propagated.
2874                          */
2875                         if ( dni->new_entry ) {
2876                                 Modifications **modtail, **ml;
2877                                 Attribute *old, *new;
2878                                 int is_ctx;
2879
2880                                 is_ctx = dn_match( &rs->sr_entry->e_nname,
2881                                         &op->o_bd->be_nsuffix[0] );
2882
2883                                 /* Did the DN change?
2884                                  */
2885                                 if ( !dn_match( &rs->sr_entry->e_name,
2886                                                 &dni->new_entry->e_name ) )
2887                                 {
2888                                         struct berval oldRDN, oldVal;
2889                                         AttributeDescription *ad = NULL;
2890                                         Attribute *a;
2891
2892                                         dni->renamed = 1;
2893                                         /* See if the oldRDN was deleted */
2894                                         dnRdn( &rs->sr_entry->e_nname, &oldRDN );
2895                                         oldVal.bv_val = strchr(oldRDN.bv_val, '=') + 1;
2896                                         oldVal.bv_len = oldRDN.bv_len - ( oldVal.bv_val -
2897                                                 oldRDN.bv_val );
2898                                         oldRDN.bv_len -= oldVal.bv_len + 2;
2899                                         slap_bv2ad( &oldRDN, &ad, &rs->sr_text );
2900                                         a = attr_find( dni->new_entry->e_attrs, ad );
2901                                         if ( !a || attr_valfind( a,
2902                                                 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH |
2903                                                 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
2904                                                 SLAP_MR_VALUE_OF_SYNTAX,
2905                                                 &oldVal, NULL, op->o_tmpmemctx ) != LDAP_SUCCESS )
2906                                         {
2907                                                 dni->delOldRDN = 1;
2908                                         }
2909                                         /* OK, this was just a modDN, we're done */
2910                                         return LDAP_SUCCESS;
2911                                 }
2912
2913                                 modtail = &dni->mods;
2914                                 ml = dni->modlist;
2915
2916                                 /* Make sure new entry is actually newer than old entry */
2917                                 old = attr_find( rs->sr_entry->e_attrs,
2918                                         slap_schema.si_ad_entryCSN );
2919                                 new = attr_find( dni->new_entry->e_attrs,
2920                                         slap_schema.si_ad_entryCSN );
2921                                 if ( new && old ) {
2922                                         int rc, len = old->a_vals[0].bv_len;
2923                                         if ( len > new->a_vals[0].bv_len )
2924                                                 len = new->a_vals[0].bv_len;
2925                                         rc = memcmp( old->a_vals[0].bv_val,
2926                                                 new->a_vals[0].bv_val, len );
2927                                         if ( rc > 0 ) {
2928                                                 Debug( LDAP_DEBUG_SYNC,
2929                                                         "dn_callback : new entry is older than ours "
2930                                                         "%s ours %s, new %s\n",
2931                                                         rs->sr_entry->e_name.bv_val,
2932                                                         old->a_vals[0].bv_val,
2933                                                         new->a_vals[0].bv_val );
2934                                                 return LDAP_SUCCESS;
2935                                         } else if ( rc == 0 ) {
2936                                                 Debug( LDAP_DEBUG_SYNC,
2937                                                         "dn_callback : entries have identical CSN "
2938                                                         "%s ours %s, new %s\n",
2939                                                         rs->sr_entry->e_name.bv_val,
2940                                                         old->a_vals[0].bv_val,
2941                                                         new->a_vals[0].bv_val );
2942                                                 return LDAP_SUCCESS;
2943                                         }
2944                                 }
2945
2946                                 /* We assume that attributes are saved in the same order
2947                                  * in the remote and local databases. So if we walk through
2948                                  * the attributeDescriptions one by one they should match in
2949                                  * lock step. If not, look for an add or delete.
2950                                  */
2951                                 for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
2952                                                 old && new; )
2953                                 {
2954                                         /* If we've seen this before, use its mod now */
2955                                         if ( new->a_flags & SLAP_ATTR_IXADD ) {
2956                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2957                                                 new = new->a_next;
2958                                                 continue;
2959                                         }
2960                                         /* Skip contextCSN */
2961                                         if ( is_ctx && old->a_desc ==
2962                                                 slap_schema.si_ad_contextCSN ) {
2963                                                 old = old->a_next;
2964                                                 continue;
2965                                         }
2966
2967                                         if ( old->a_desc != new->a_desc ) {
2968                                                 Modifications *mod;
2969                                                 Attribute *tmp;
2970
2971                                                 /* If it's just been re-added later,
2972                                                  * remember that we've seen it.
2973                                                  */
2974                                                 tmp = attr_find( new, old->a_desc );
2975                                                 if ( tmp ) {
2976                                                         tmp->a_flags |= SLAP_ATTR_IXADD;
2977                                                 } else {
2978                                                         /* If it's a new attribute, pull it in.
2979                                                          */
2980                                                         tmp = attr_find( old, new->a_desc );
2981                                                         if ( !tmp ) {
2982                                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2983                                                                 new = new->a_next;
2984                                                                 continue;
2985                                                         }
2986                                                         /* Delete old attr */
2987                                                         mod = ch_malloc( sizeof( Modifications ) );
2988                                                         mod->sml_op = LDAP_MOD_DELETE;
2989                                                         mod->sml_flags = 0;
2990                                                         mod->sml_desc = old->a_desc;
2991                                                         mod->sml_type = mod->sml_desc->ad_cname;
2992                                                         mod->sml_numvals = 0;
2993                                                         mod->sml_values = NULL;
2994                                                         mod->sml_nvalues = NULL;
2995                                                         *modtail = mod;
2996                                                         modtail = &mod->sml_next;
2997                                                 }
2998                                                 old = old->a_next;
2999                                                 continue;
3000                                         }
3001                                         /* kludge - always update modifiersName so that it
3002                                          * stays co-located with the other mod opattrs. But only
3003                                          * if we know there are other valid mods.
3004                                          */
3005                                         if ( old->a_desc == slap_schema.si_ad_modifiersName &&
3006                                                 dni->mods )
3007                                                 attr_cmp( op, NULL, new, &modtail, &ml );
3008                                         else
3009                                                 attr_cmp( op, old, new, &modtail, &ml );
3010                                         new = new->a_next;
3011                                         old = old->a_next;
3012                                 }
3013                                 *modtail = *ml;
3014                                 *ml = NULL;
3015                         }
3016                 }
3017         } else if ( rs->sr_type == REP_RESULT ) {
3018                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
3019                         Debug( LDAP_DEBUG_ANY,
3020                                 "dn_callback : consistency error - "
3021                                 "entryUUID is not unique\n", 0, 0, 0 );
3022                 }
3023         }
3024
3025         return LDAP_SUCCESS;
3026 }
3027
3028 static int
3029 nonpresent_callback(
3030         Operation*      op,
3031         SlapReply*      rs )
3032 {
3033         syncinfo_t *si = op->o_callback->sc_private;
3034         Attribute *a;
3035         int count = 0;
3036         struct berval* present_uuid = NULL;
3037         struct nonpresent_entry *np_entry;
3038
3039         if ( rs->sr_type == REP_RESULT ) {
3040                 count = avl_free( si->si_presentlist, ch_free );
3041                 si->si_presentlist = NULL;
3042
3043         } else if ( rs->sr_type == REP_SEARCH ) {
3044                 if ( !( si->si_refreshDelete & NP_DELETE_ONE ) ) {
3045                         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
3046
3047                         if ( a ) {
3048                                 present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
3049                                         syncuuid_cmp );
3050                         }
3051
3052                         if ( LogTest( LDAP_DEBUG_SYNC ) ) {
3053                                 char buf[sizeof("rid=999 not")];
3054
3055                                 snprintf( buf, sizeof(buf), "%s %s", si->si_ridtxt,
3056                                         present_uuid ? "got" : "not" );
3057
3058                                 Debug( LDAP_DEBUG_SYNC, "nonpresent_callback: %s UUID %s, dn %s\n",
3059                                         buf, a ? a->a_vals[0].bv_val : "<missing>", rs->sr_entry->e_name.bv_val );
3060                         }
3061
3062                         if ( a == NULL ) return 0;
3063                 }
3064
3065                 if ( present_uuid == NULL ) {
3066                         np_entry = (struct nonpresent_entry *)
3067                                 ch_calloc( 1, sizeof( struct nonpresent_entry ) );
3068                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
3069                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
3070                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
3071
3072                 } else {
3073                         avl_delete( &si->si_presentlist,
3074                                 &a->a_nvals[0], syncuuid_cmp );
3075                         ch_free( present_uuid );
3076                 }
3077         }
3078         return LDAP_SUCCESS;
3079 }
3080
3081 static int
3082 null_callback(
3083         Operation*      op,
3084         SlapReply*      rs )
3085 {
3086         if ( rs->sr_err != LDAP_SUCCESS &&
3087                 rs->sr_err != LDAP_REFERRAL &&
3088                 rs->sr_err != LDAP_ALREADY_EXISTS &&
3089                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
3090                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
3091         {
3092                 Debug( LDAP_DEBUG_ANY,
3093                         "null_callback : error code 0x%x\n",
3094                         rs->sr_err, 0, 0 );
3095         }
3096         return LDAP_SUCCESS;
3097 }
3098
3099 static struct berval *
3100 slap_uuidstr_from_normalized(
3101         struct berval* uuidstr,
3102         struct berval* normalized,
3103         void *ctx )
3104 {
3105 #if 0
3106         struct berval *new;
3107         unsigned char nibble;
3108         int i, d = 0;
3109
3110         if ( normalized == NULL ) return NULL;
3111         if ( normalized->bv_len != 16 ) return NULL;
3112
3113         if ( uuidstr ) {
3114                 new = uuidstr;
3115         } else {
3116                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3117                 if ( new == NULL ) {
3118                         return NULL;
3119                 }
3120         }
3121
3122         new->bv_len = 36;
3123
3124         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3125                 if ( new != uuidstr ) {
3126                         slap_sl_free( new, ctx );
3127                 }
3128                 return NULL;
3129         }
3130
3131         for ( i = 0; i < 16; i++ ) {
3132                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
3133                         new->bv_val[(i<<1)+d] = '-';
3134                         d += 1;
3135                 }
3136
3137                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
3138                 if ( nibble < 10 ) {
3139                         new->bv_val[(i<<1)+d] = nibble + '0';
3140                 } else {
3141                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
3142                 }
3143
3144                 nibble = (normalized->bv_val[i]) & 0xF;
3145                 if ( nibble < 10 ) {
3146                         new->bv_val[(i<<1)+d+1] = nibble + '0';
3147                 } else {
3148                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
3149                 }
3150         }
3151
3152         new->bv_val[new->bv_len] = '\0';
3153         return new;
3154 #endif
3155
3156         struct berval   *new;
3157         int             rc = 0;
3158
3159         if ( normalized == NULL ) return NULL;
3160         if ( normalized->bv_len != 16 ) return NULL;
3161
3162         if ( uuidstr ) {
3163                 new = uuidstr;
3164
3165         } else {
3166                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3167                 if ( new == NULL ) {
3168                         return NULL;
3169                 }
3170         }
3171
3172         new->bv_len = 36;
3173
3174         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3175                 rc = 1;
3176                 goto done;
3177         }
3178
3179         rc = lutil_uuidstr_from_normalized( normalized->bv_val,
3180                 normalized->bv_len, new->bv_val, new->bv_len + 1 );
3181
3182 done:;
3183         if ( rc == -1 ) {
3184                 if ( new != NULL ) {
3185                         if ( new->bv_val != NULL ) {
3186                                 slap_sl_free( new->bv_val, ctx );
3187                         }
3188
3189                         if ( new != uuidstr ) {
3190                                 slap_sl_free( new, ctx );
3191                         }
3192                 }
3193                 new = NULL;
3194
3195         } else {
3196                 new->bv_len = rc;
3197         }
3198
3199         return new;
3200 }
3201
3202 static int
3203 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
3204 {
3205         const struct berval *uuid1 = v_uuid1;
3206         const struct berval *uuid2 = v_uuid2;
3207         int rc = uuid1->bv_len - uuid2->bv_len;
3208         if ( rc ) return rc;
3209         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
3210 }
3211
3212 void
3213 syncinfo_free( syncinfo_t *sie, int free_all )
3214 {
3215         syncinfo_t *si_next;
3216
3217         if ( free_all && sie->si_cookieState ) {
3218                 ch_free( sie->si_cookieState->cs_sids );
3219                 ber_bvarray_free( sie->si_cookieState->cs_vals );
3220                 ldap_pvt_thread_mutex_destroy( &sie->si_cookieState->cs_mutex );
3221                 ch_free( sie->si_cookieState );
3222         }
3223         do {
3224                 si_next = sie->si_next;
3225
3226                 if ( sie->si_ld ) {
3227                         if ( sie->si_conn_setup ) {
3228                                 ber_socket_t s;
3229                                 ldap_get_option( sie->si_ld, LDAP_OPT_DESC, &s );
3230                                 connection_client_stop( s );
3231                                 sie->si_conn_setup = 0;
3232                         }
3233                         ldap_unbind_ext( sie->si_ld, NULL, NULL );
3234                 }
3235
3236                 /* re-fetch it, in case it was already removed */
3237                 sie->si_re = ldap_pvt_runqueue_find( &slapd_rq, do_syncrepl, sie );
3238                 if ( sie->si_re ) {
3239                         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, sie->si_re ) )
3240                                 ldap_pvt_runqueue_stoptask( &slapd_rq, sie->si_re );
3241                         ldap_pvt_runqueue_remove( &slapd_rq, sie->si_re );
3242                 }
3243
3244                 ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
3245
3246                 bindconf_free( &sie->si_bindconf );
3247
3248                 if ( sie->si_filterstr.bv_val ) {
3249                         ch_free( sie->si_filterstr.bv_val );
3250                 }
3251                 if ( sie->si_logfilterstr.bv_val ) {
3252                         ch_free( sie->si_logfilterstr.bv_val );
3253                 }
3254                 if ( sie->si_base.bv_val ) {
3255                         ch_free( sie->si_base.bv_val );
3256                 }
3257                 if ( sie->si_logbase.bv_val ) {
3258                         ch_free( sie->si_logbase.bv_val );
3259                 }
3260                 if ( sie->si_attrs ) {
3261                         int i = 0;
3262                         while ( sie->si_attrs[i] != NULL ) {
3263                                 ch_free( sie->si_attrs[i] );
3264                                 i++;
3265                         }
3266                         ch_free( sie->si_attrs );
3267                 }
3268                 if ( sie->si_exattrs ) {
3269                         int i = 0;
3270                         while ( sie->si_exattrs[i] != NULL ) {
3271                                 ch_free( sie->si_exattrs[i] );
3272                                 i++;
3273                         }
3274                         ch_free( sie->si_exattrs );
3275                 }
3276                 if ( sie->si_anlist ) {
3277                         int i = 0;
3278                         while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
3279                                 ch_free( sie->si_anlist[i].an_name.bv_val );
3280                                 i++;
3281                         }
3282                         ch_free( sie->si_anlist );
3283                 }
3284                 if ( sie->si_exanlist ) {
3285                         int i = 0;
3286                         while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
3287                                 ch_free( sie->si_exanlist[i].an_name.bv_val );
3288                                 i++;
3289                         }
3290                         ch_free( sie->si_exanlist );
3291                 }
3292                 if ( sie->si_retryinterval ) {
3293                         ch_free( sie->si_retryinterval );
3294                 }
3295                 if ( sie->si_retrynum ) {
3296                         ch_free( sie->si_retrynum );
3297                 }
3298                 if ( sie->si_retrynum_init ) {
3299                         ch_free( sie->si_retrynum_init );
3300                 }
3301                 slap_sync_cookie_free( &sie->si_syncCookie, 0 );
3302                 if ( sie->si_presentlist ) {
3303                     avl_free( sie->si_presentlist, ch_free );
3304                 }
3305                 while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist ) ) {
3306                         struct nonpresent_entry* npe;
3307                         npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
3308                         LDAP_LIST_REMOVE( npe, npe_link );
3309                         if ( npe->npe_name ) {
3310                                 if ( npe->npe_name->bv_val ) {
3311                                         ch_free( npe->npe_name->bv_val );
3312                                 }
3313                                 ch_free( npe->npe_name );
3314                         }
3315                         if ( npe->npe_nname ) {
3316                                 if ( npe->npe_nname->bv_val ) {
3317                                         ch_free( npe->npe_nname->bv_val );
3318                                 }
3319                                 ch_free( npe->npe_nname );
3320                         }
3321                         ch_free( npe );
3322                 }
3323                 ch_free( sie );
3324                 sie = si_next;
3325         } while ( free_all && si_next );
3326 }
3327
3328
3329
3330 /* NOTE: used & documented in slapd.conf(5) */
3331 #define IDSTR                   "rid"
3332 #define PROVIDERSTR             "provider"
3333 #define SCHEMASTR               "schemachecking"
3334 #define FILTERSTR               "filter"
3335 #define SEARCHBASESTR           "searchbase"
3336 #define SCOPESTR                "scope"
3337 #define ATTRSONLYSTR            "attrsonly"
3338 #define ATTRSSTR                "attrs"
3339 #define TYPESTR                 "type"
3340 #define INTERVALSTR             "interval"
3341 #define RETRYSTR                "retry"
3342 #define SLIMITSTR               "sizelimit"
3343 #define TLIMITSTR               "timelimit"
3344 #define SYNCDATASTR             "syncdata"
3345 #define LOGBASESTR              "logbase"
3346 #define LOGFILTERSTR    "logfilter"
3347
3348 /* FIXME: undocumented */
3349 #define EXATTRSSTR              "exattrs"
3350 #define MANAGEDSAITSTR          "manageDSAit"
3351
3352 /* mandatory */
3353 #define GOT_ID                  0x0001
3354 #define GOT_PROVIDER    0x0002
3355 #define GOT_BASE                0x0004
3356
3357 /* check */
3358 #define GOT_ALL                 (GOT_ID|GOT_PROVIDER|GOT_BASE)
3359
3360 static struct {
3361         struct berval key;
3362         int val;
3363 } scopes[] = {
3364         { BER_BVC("base"), LDAP_SCOPE_BASE },
3365         { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
3366         { BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL },   /* OpenLDAP extension */
3367         { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
3368         { BER_BVC("subord"), LDAP_SCOPE_SUBORDINATE },
3369         { BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
3370         { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
3371         { BER_BVC("subtree"), LDAP_SCOPE_SUBTREE },     /* OpenLDAP extension */
3372         { BER_BVNULL, 0 }
3373 };
3374
3375 static slap_verbmasks datamodes[] = {
3376         { BER_BVC("default"), SYNCDATA_DEFAULT },
3377         { BER_BVC("accesslog"), SYNCDATA_ACCESSLOG },
3378         { BER_BVC("changelog"), SYNCDATA_CHANGELOG },
3379         { BER_BVNULL, 0 }
3380 };
3381
3382 static int
3383 parse_syncrepl_line(
3384         ConfigArgs      *c,
3385         syncinfo_t      *si )
3386 {
3387         int     gots = 0;
3388         int     i;
3389         char    *val;
3390
3391         for ( i = 1; i < c->argc; i++ ) {
3392                 if ( !strncasecmp( c->argv[ i ], IDSTR "=",
3393                                         STRLENOF( IDSTR "=" ) ) )
3394                 {
3395                         int tmp;
3396                         /* '\0' string terminator accounts for '=' */
3397                         val = c->argv[ i ] + STRLENOF( IDSTR "=" );
3398                         if ( lutil_atoi( &tmp, val ) != 0 ) {
3399                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3400                                         "Error: parse_syncrepl_line: "
3401                                         "unable to parse syncrepl id \"%s\"", val );
3402                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3403                                 return -1;
3404                         }
3405                         if ( tmp > SLAP_SYNC_SID_MAX || tmp < 0 ) {
3406                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3407                                         "Error: parse_syncrepl_line: "
3408                                         "syncrepl id %d is out of range [0..4095]", tmp );
3409                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3410                                 return -1;
3411                         }
3412                         si->si_rid = tmp;
3413                         sprintf( si->si_ridtxt, IDSTR "=%03d", si->si_rid );
3414                         gots |= GOT_ID;
3415                 } else if ( !strncasecmp( c->argv[ i ], PROVIDERSTR "=",
3416                                         STRLENOF( PROVIDERSTR "=" ) ) )
3417                 {
3418                         val = c->argv[ i ] + STRLENOF( PROVIDERSTR "=" );
3419                         ber_str2bv( val, 0, 1, &si->si_bindconf.sb_uri );
3420                         gots |= GOT_PROVIDER;
3421                 } else if ( !strncasecmp( c->argv[ i ], SCHEMASTR "=",
3422                                         STRLENOF( SCHEMASTR "=" ) ) )
3423                 {
3424                         val = c->argv[ i ] + STRLENOF( SCHEMASTR "=" );
3425                         if ( !strncasecmp( val, "on", STRLENOF( "on" ) ) ) {
3426                                 si->si_schemachecking = 1;
3427                         } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
3428                                 si->si_schemachecking = 0;
3429                         } else {
3430                                 si->si_schemachecking = 1;
3431                         }
3432                 } else if ( !strncasecmp( c->argv[ i ], FILTERSTR "=",
3433                                         STRLENOF( FILTERSTR "=" ) ) )
3434                 {
3435                         val = c->argv[ i ] + STRLENOF( FILTERSTR "=" );
3436                         if ( si->si_filterstr.bv_val )
3437                                 ch_free( si->si_filterstr.bv_val );
3438                         ber_str2bv( val, 0, 1, &si->si_filterstr );
3439                 } else if ( !strncasecmp( c->argv[ i ], LOGFILTERSTR "=",
3440                                         STRLENOF( LOGFILTERSTR "=" ) ) )
3441                 {
3442                         val = c->argv[ i ] + STRLENOF( LOGFILTERSTR "=" );
3443                         if ( si->si_logfilterstr.bv_val )
3444                                 ch_free( si->si_logfilterstr.bv_val );
3445                         ber_str2bv( val, 0, 1, &si->si_logfilterstr );
3446                 } else if ( !strncasecmp( c->argv[ i ], SEARCHBASESTR "=",
3447                                         STRLENOF( SEARCHBASESTR "=" ) ) )
3448                 {
3449                         struct berval   bv;
3450                         int             rc;
3451
3452                         val = c->argv[ i ] + STRLENOF( SEARCHBASESTR "=" );
3453                         if ( si->si_base.bv_val ) {
3454                                 ch_free( si->si_base.bv_val );
3455                         }
3456                         ber_str2bv( val, 0, 0, &bv );
3457                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
3458                         if ( rc != LDAP_SUCCESS ) {
3459                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3460                                         "Invalid base DN \"%s\": %d (%s)",
3461                                         val, rc, ldap_err2string( rc ) );
3462                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3463                                 return -1;
3464                         }
3465                         if ( !be_issubordinate( c->be, &si->si_base ) ) {
3466                                 ch_free( si->si_base.bv_val );
3467                                 BER_BVZERO( &si->si_base );
3468                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3469                                         "Base DN \"%s\" is not within the database naming context",
3470                                         val );
3471                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3472                                 return -1;
3473                         }
3474                         gots |= GOT_BASE;
3475                 } else if ( !strncasecmp( c->argv[ i ], LOGBASESTR "=",
3476                                         STRLENOF( LOGBASESTR "=" ) ) )
3477                 {
3478                         struct berval   bv;
3479                         int             rc;
3480
3481                         val = c->argv[ i ] + STRLENOF( LOGBASESTR "=" );
3482                         if ( si->si_logbase.bv_val ) {
3483                                 ch_free( si->si_logbase.bv_val );
3484                         }
3485                         ber_str2bv( val, 0, 0, &bv );
3486                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_logbase, NULL );
3487                         if ( rc != LDAP_SUCCESS ) {
3488                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3489                                         "Invalid logbase DN \"%s\": %d (%s)",
3490                                         val, rc, ldap_err2string( rc ) );
3491                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3492                                 return -1;
3493                         }
3494                 } else if ( !strncasecmp( c->argv[ i ], SCOPESTR "=",
3495                                         STRLENOF( SCOPESTR "=" ) ) )
3496                 {
3497                         int j;
3498                         val = c->argv[ i ] + STRLENOF( SCOPESTR "=" );
3499                         for ( j = 0; !BER_BVISNULL(&scopes[j].key); j++ ) {
3500                                 if (!strcasecmp( val, scopes[j].key.bv_val ) ) {
3501                                         si->si_scope = scopes[j].val;
3502                                         break;
3503                                 }
3504                         }
3505                         if ( BER_BVISNULL(&scopes[j].key) ) {
3506                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3507                                         "Error: parse_syncrepl_line: "
3508                                         "unknown scope \"%s\"", val);
3509                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3510                                 return -1;
3511                         }
3512                 } else if ( !strncasecmp( c->argv[ i ], ATTRSONLYSTR,
3513                                         STRLENOF( ATTRSONLYSTR ) ) )
3514                 {
3515                         si->si_attrsonly = 1;
3516                 } else if ( !strncasecmp( c->argv[ i ], ATTRSSTR "=",
3517                                         STRLENOF( ATTRSSTR "=" ) ) )
3518                 {
3519                         val = c->argv[ i ] + STRLENOF( ATTRSSTR "=" );
3520                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3521                                 char *attr_fname;
3522                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3523                                 si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
3524                                 if ( si->si_anlist == NULL ) {
3525                                         ch_free( attr_fname );
3526                                         return -1;
3527                                 }
3528                                 si->si_anfile = attr_fname;
3529                         } else {
3530                                 char *str, *s, *next;
3531                                 char delimstr[] = " ,\t";
3532                                 str = ch_strdup( val );
3533                                 for ( s = ldap_pvt_strtok( str, delimstr, &next );
3534                                                 s != NULL;
3535                                                 s = ldap_pvt_strtok( NULL, delimstr, &next ) )
3536                                 {
3537                                         if ( strlen(s) == 1 && *s == '*' ) {
3538                                                 si->si_allattrs = 1;
3539                                                 val[ s - str ] = delimstr[0];
3540                                         }
3541                                         if ( strlen(s) == 1 && *s == '+' ) {
3542                                                 si->si_allopattrs = 1;
3543                                                 val [ s - str ] = delimstr[0];
3544                                         }
3545                                 }
3546                                 ch_free( str );
3547                                 si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
3548                                 if ( si->si_anlist == NULL ) {
3549                                         return -1;
3550                                 }
3551                         }
3552                 } else if ( !strncasecmp( c->argv[ i ], EXATTRSSTR "=",
3553                                         STRLENOF( EXATTRSSTR "=" ) ) )
3554                 {
3555                         val = c->argv[ i ] + STRLENOF( EXATTRSSTR "=" );
3556                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3557                                 char *attr_fname;
3558                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3559                                 si->si_exanlist = file2anlist(
3560                                         si->si_exanlist, attr_fname, " ,\t" );
3561                                 if ( si->si_exanlist == NULL ) {
3562                                         ch_free( attr_fname );
3563                                         return -1;
3564                                 }
3565                                 ch_free( attr_fname );
3566                         } else {
3567                                 si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
3568                                 if ( si->si_exanlist == NULL ) {
3569                                         return -1;
3570                                 }
3571                         }
3572                 } else if ( !strncasecmp( c->argv[ i ], TYPESTR "=",
3573                                         STRLENOF( TYPESTR "=" ) ) )
3574                 {
3575                         val = c->argv[ i ] + STRLENOF( TYPESTR "=" );
3576                         if ( !strncasecmp( val, "refreshOnly",
3577                                                 STRLENOF("refreshOnly") ) )
3578                         {
3579                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3580                         } else if ( !strncasecmp( val, "refreshAndPersist",
3581                                                 STRLENOF("refreshAndPersist") ) )
3582                         {
3583                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_AND_PERSIST;
3584                                 si->si_interval = 60;
3585                         } else {
3586                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3587                                         "Error: parse_syncrepl_line: "
3588                                         "unknown sync type \"%s\"", val);
3589                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3590                                 return -1;
3591                         }
3592                 } else if ( !strncasecmp( c->argv[ i ], INTERVALSTR "=",
3593                                         STRLENOF( INTERVALSTR "=" ) ) )
3594                 {
3595                         val = c->argv[ i ] + STRLENOF( INTERVALSTR "=" );
3596                         if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
3597                                 si->si_interval = 0;
3598                         } else if ( strchr( val, ':' ) != NULL ) {
3599                                 char *next, *ptr = val;
3600                                 int dd, hh, mm, ss;
3601
3602                                 dd = strtol( ptr, &next, 10 );
3603                                 if ( next == ptr || next[0] != ':' || dd < 0 ) {
3604                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3605                                                 "Error: parse_syncrepl_line: "
3606                                                 "invalid interval \"%s\", unable to parse days", val );
3607                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3608                                         return -1;
3609                                 }
3610                                 ptr = next + 1;
3611                                 hh = strtol( ptr, &next, 10 );
3612                                 if ( next == ptr || next[0] != ':' || hh < 0 || hh > 24 ) {
3613                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3614                                                 "Error: parse_syncrepl_line: "
3615                                                 "invalid interval \"%s\", unable to parse hours", val );
3616                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3617                                         return -1;
3618                                 }
3619                                 ptr = next + 1;
3620                                 mm = strtol( ptr, &next, 10 );
3621                                 if ( next == ptr || next[0] != ':' || mm < 0 || mm > 60 ) {
3622                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3623                                                 "Error: parse_syncrepl_line: "
3624                                                 "invalid interval \"%s\", unable to parse minutes", val );
3625                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3626                                         return -1;
3627                                 }
3628                                 ptr = next + 1;
3629                                 ss = strtol( ptr, &next, 10 );
3630                                 if ( next == ptr || next[0] != '\0' || ss < 0 || ss > 60 ) {
3631                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3632                                                 "Error: parse_syncrepl_line: "
3633                                                 "invalid interval \"%s\", unable to parse seconds", val );
3634                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3635                                         return -1;
3636                                 }
3637                                 si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
3638                         } else {
3639                                 unsigned long   t;
3640
3641                                 if ( lutil_parse_time( val, &t ) != 0 ) {
3642                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3643                                                 "Error: parse_syncrepl_line: "
3644                                                 "invalid interval \"%s\"", val );
3645                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3646                                         return -1;
3647                                 }
3648                                 si->si_interval = (time_t)t;
3649                         }
3650                         if ( si->si_interval < 0 ) {
3651                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3652                                         "Error: parse_syncrepl_line: "
3653                                         "invalid interval \"%ld\"",
3654                                         (long) si->si_interval);
3655                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3656                                 return -1;
3657                         }
3658                 } else if ( !strncasecmp( c->argv[ i ], RETRYSTR "=",
3659                                         STRLENOF( RETRYSTR "=" ) ) )
3660                 {
3661                         char **retry_list;
3662                         int j, k, n;
3663
3664                         val = c->argv[ i ] + STRLENOF( RETRYSTR "=" );
3665                         retry_list = (char **) ch_calloc( 1, sizeof( char * ) );
3666                         retry_list[0] = NULL;
3667
3668                         slap_str2clist( &retry_list, val, " ,\t" );
3669
3670                         for ( k = 0; retry_list && retry_list[k]; k++ ) ;
3671                         n = k / 2;
3672                         if ( k % 2 ) {
3673                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3674                                         "Error: incomplete syncrepl retry list" );
3675                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3676                                 for ( k = 0; retry_list && retry_list[k]; k++ ) {
3677                                         ch_free( retry_list[k] );
3678                                 }
3679                                 ch_free( retry_list );
3680                                 return 1;
3681                         }
3682                         si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ) );
3683                         si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ) );
3684                         si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ) );
3685                         for ( j = 0; j < n; j++ ) {
3686                                 unsigned long   t;
3687                                 if ( lutil_atoul( &t, retry_list[j*2] ) != 0 ) {
3688                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3689                                                 "Error: invalid retry interval \"%s\" (#%d)",
3690                                                 retry_list[j*2], j );
3691                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3692                                         /* do some cleanup */
3693                                         return 1;
3694                                 }
3695                                 si->si_retryinterval[j] = (time_t)t;
3696                                 if ( *retry_list[j*2+1] == '+' ) {
3697                                         si->si_retrynum_init[j] = RETRYNUM_FOREVER;
3698                                         si->si_retrynum[j] = RETRYNUM_FOREVER;
3699                                         j++;
3700                                         break;
3701                                 } else {
3702                                         if ( lutil_atoi( &si->si_retrynum_init[j], retry_list[j*2+1] ) != 0
3703                                                         || si->si_retrynum_init[j] <= 0 )
3704                                         {
3705                                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3706                                                         "Error: invalid initial retry number \"%s\" (#%d)",
3707                                                         retry_list[j*2+1], j );
3708                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3709                                                 /* do some cleanup */
3710                                                 return 1;
3711                                         }
3712                                         if ( lutil_atoi( &si->si_retrynum[j], retry_list[j*2+1] ) != 0
3713                                                         || si->si_retrynum[j] <= 0 )
3714                                         {
3715                                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3716                                                         "Error: invalid retry number \"%s\" (#%d)",
3717                                                         retry_list[j*2+1], j );
3718                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3719                                                 /* do some cleanup */
3720                                                 return 1;
3721                                         }
3722                                 }
3723                         }
3724                         si->si_retrynum_init[j] = RETRYNUM_TAIL;
3725                         si->si_retrynum[j] = RETRYNUM_TAIL;
3726                         si->si_retryinterval[j] = 0;
3727
3728                         for ( k = 0; retry_list && retry_list[k]; k++ ) {
3729                                 ch_free( retry_list[k] );
3730                         }
3731                         ch_free( retry_list );
3732                 } else if ( !strncasecmp( c->argv[ i ], MANAGEDSAITSTR "=",
3733                                         STRLENOF( MANAGEDSAITSTR "=" ) ) )
3734                 {
3735                         val = c->argv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
3736                         if ( lutil_atoi( &si->si_manageDSAit, val ) != 0
3737                                 || si->si_manageDSAit < 0 || si->si_manageDSAit > 1 )
3738                         {
3739                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3740                                         "invalid manageDSAit value \"%s\".\n",
3741                                         val );
3742                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3743                                 return 1;
3744                         }
3745                 } else if ( !strncasecmp( c->argv[ i ], SLIMITSTR "=",
3746                                         STRLENOF( SLIMITSTR "=") ) )
3747                 {
3748                         val = c->argv[ i ] + STRLENOF( SLIMITSTR "=" );
3749                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3750                                 si->si_slimit = 0;
3751
3752                         } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || si->si_slimit < 0 ) {
3753                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3754                                         "invalid size limit value \"%s\".\n",
3755                                         val );
3756                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3757                                 return 1;
3758                         }
3759                 } else if ( !strncasecmp( c->argv[ i ], TLIMITSTR "=",
3760                                         STRLENOF( TLIMITSTR "=" ) ) )
3761                 {
3762                         val = c->argv[ i ] + STRLENOF( TLIMITSTR "=" );
3763                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3764                                 si->si_tlimit = 0;
3765
3766                         } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || si->si_tlimit < 0 ) {
3767                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3768                                         "invalid time limit value \"%s\".\n",
3769                                         val );
3770                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3771                                 return 1;
3772                         }
3773                 } else if ( !strncasecmp( c->argv[ i ], SYNCDATASTR "=",
3774                                         STRLENOF( SYNCDATASTR "=" ) ) )
3775                 {
3776                         val = c->argv[ i ] + STRLENOF( SYNCDATASTR "=" );
3777                         si->si_syncdata = verb_to_mask( val, datamodes );
3778                 } else if ( bindconf_parse( c->argv[i], &si->si_bindconf ) ) {
3779                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3780                                 "Error: parse_syncrepl_line: "
3781                                 "unable to parse \"%s\"\n", c->argv[ i ] );
3782                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3783                         return -1;
3784                 }
3785         }
3786
3787         if ( gots != GOT_ALL ) {
3788                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3789                         "Error: Malformed \"syncrepl\" line in slapd config file, missing%s%s%s",
3790                         gots & GOT_ID ? "" : " "IDSTR,
3791                         gots & GOT_PROVIDER ? "" : " "PROVIDERSTR,
3792                         gots & GOT_BASE ? "" : " "SEARCHBASESTR );
3793                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3794                 return -1;
3795         }
3796
3797         return 0;
3798 }
3799
3800 static int
3801 add_syncrepl(
3802         ConfigArgs *c )
3803 {
3804         syncinfo_t *si;
3805         int     rc = 0;
3806
3807         if ( !( c->be->be_search && c->be->be_add && c->be->be_modify && c->be->be_delete ) ) {
3808                 snprintf( c->cr_msg, sizeof(c->cr_msg), "database %s does not support "
3809                         "operations required for syncrepl", c->be->be_type );
3810                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg, 0 );
3811                 return 1;
3812         }
3813         if ( BER_BVISEMPTY( &c->be->be_rootdn ) ) {
3814                 strcpy( c->cr_msg, "rootDN must be defined before syncrepl may be used" );
3815                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg, 0 );
3816                 return 1;
3817         }
3818         si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
3819
3820         if ( si == NULL ) {
3821                 Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
3822                 return 1;
3823         }
3824
3825         si->si_bindconf.sb_tls = SB_TLS_OFF;
3826         si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
3827         si->si_schemachecking = 0;
3828         ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
3829                 &si->si_filterstr );
3830         si->si_base.bv_val = NULL;
3831         si->si_scope = LDAP_SCOPE_SUBTREE;
3832         si->si_attrsonly = 0;
3833         si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
3834         si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
3835         si->si_attrs = NULL;
3836         si->si_allattrs = 0;
3837         si->si_allopattrs = 0;
3838         si->si_exattrs = NULL;
3839         si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3840         si->si_interval = 86400;
3841         si->si_retryinterval = NULL;
3842         si->si_retrynum_init = NULL;
3843         si->si_retrynum = NULL;
3844         si->si_manageDSAit = 0;
3845         si->si_tlimit = 0;
3846         si->si_slimit = 0;
3847         si->si_conn_setup = 0;
3848
3849         si->si_presentlist = NULL;
3850         LDAP_LIST_INIT( &si->si_nonpresentlist );
3851         ldap_pvt_thread_mutex_init( &si->si_mutex );
3852
3853         rc = parse_syncrepl_line( c, si );
3854
3855         if ( rc == 0 ) {
3856                 /* Must be LDAPv3 because we need controls */
3857                 switch ( si->si_bindconf.sb_version ) {
3858                 case 0:
3859                         /* not explicitly set */
3860                         si->si_bindconf.sb_version = LDAP_VERSION3;
3861                         break;
3862                 case 3:
3863                         /* explicitly set */
3864                         break;
3865                 default:
3866                         Debug( LDAP_DEBUG_ANY,
3867                                 "version %d incompatible with syncrepl\n",
3868                                 si->si_bindconf.sb_version, 0, 0 );
3869                         syncinfo_free( si, 0 );
3870                         return 1;
3871                 }
3872
3873                 si->si_be = c->be;
3874                 if ( slapMode & SLAP_SERVER_MODE ) {
3875                         Listener **l = slapd_get_listeners();
3876                         int isMe = 0;
3877
3878                         /* check if URL points to current server. If so, ignore
3879                          * this configuration. We require an exact match. Just
3880                          * in case they really want to do this, they can vary
3881                          * the case of the URL to allow it.
3882                          */
3883                         if ( l && !SLAP_DBHIDDEN( c->be ) ) {
3884                                 int i;
3885                                 for ( i=0; l[i]; i++ ) {
3886                                         if ( bvmatch( &l[i]->sl_url, &si->si_bindconf.sb_uri ) ) {
3887                                                 isMe = 1;
3888                                                 break;
3889                                         }
3890                                 }
3891                         }
3892
3893                         if ( !isMe ) {
3894                                 init_syncrepl( si );
3895                                 si->si_re = ldap_pvt_runqueue_insert( &slapd_rq,
3896                                         si->si_interval, do_syncrepl, si, "do_syncrepl",
3897                                         si->si_ridtxt );
3898                                 if ( si->si_re )
3899                                         rc = config_sync_shadow( c ) ? -1 : 0;
3900                                 else
3901                                         rc = -1;
3902                         }
3903                 } else {
3904                         /* mirrormode still needs to see this flag in tool mode */
3905                         rc = config_sync_shadow( c ) ? -1 : 0;
3906                 }
3907         }
3908
3909 #ifdef HAVE_TLS
3910         /* Use main slapd defaults */
3911         bindconf_tls_defaults( &si->si_bindconf );
3912 #endif
3913         if ( rc < 0 ) {
3914                 Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
3915                 syncinfo_free( si, 0 );
3916                 return 1;
3917         } else {
3918                 Debug( LDAP_DEBUG_CONFIG,
3919                         "Config: ** successfully added syncrepl \"%s\"\n",
3920                         BER_BVISNULL( &si->si_bindconf.sb_uri ) ?
3921                         "(null)" : si->si_bindconf.sb_uri.bv_val, 0, 0 );
3922                 if ( !si->si_schemachecking ) {
3923                         SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
3924                 }
3925                 if ( c->be->be_syncinfo ) {
3926                         si->si_cookieState = c->be->be_syncinfo->si_cookieState;
3927                 } else {
3928                         si->si_cookieState = ch_calloc( 1, sizeof( cookie_state ));
3929                         ldap_pvt_thread_mutex_init( &si->si_cookieState->cs_mutex );
3930                 }
3931                 si->si_next = c->be->be_syncinfo;
3932                 c->be->be_syncinfo = si;
3933                 return 0;
3934         }
3935 }
3936
3937 static void
3938 syncrepl_unparse( syncinfo_t *si, struct berval *bv )
3939 {
3940         struct berval bc, uri;
3941         char buf[BUFSIZ*2], *ptr;
3942         int i;
3943
3944 #define WHATSLEFT       ( sizeof( buf ) - ( ptr - buf ) )
3945
3946         BER_BVZERO( bv );
3947
3948         /* temporarily inhibit bindconf from printing URI */
3949         uri = si->si_bindconf.sb_uri;
3950         BER_BVZERO( &si->si_bindconf.sb_uri );
3951         si->si_bindconf.sb_version = 0;
3952         bindconf_unparse( &si->si_bindconf, &bc );
3953         si->si_bindconf.sb_uri = uri;
3954         si->si_bindconf.sb_version = LDAP_VERSION3;
3955
3956         ptr = buf;
3957         assert( si->si_rid >= 0 && si->si_rid <= SLAP_SYNC_SID_MAX );
3958         ptr += snprintf( ptr, WHATSLEFT, IDSTR "=%03d " PROVIDERSTR "=%s",
3959                 si->si_rid, si->si_bindconf.sb_uri.bv_val );
3960         if ( ptr - buf >= sizeof( buf ) ) return;
3961         if ( !BER_BVISNULL( &bc ) ) {
3962                 if ( WHATSLEFT <= bc.bv_len ) {
3963                         free( bc.bv_val );
3964                         return;
3965                 }
3966                 ptr = lutil_strcopy( ptr, bc.bv_val );
3967                 free( bc.bv_val );
3968         }
3969         if ( !BER_BVISEMPTY( &si->si_filterstr ) ) {
3970                 if ( WHATSLEFT <= STRLENOF( " " FILTERSTR "=\"" "\"" ) + si->si_filterstr.bv_len ) return;
3971                 ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
3972                 ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
3973                 *ptr++ = '"';
3974         }
3975         if ( !BER_BVISNULL( &si->si_base ) ) {
3976                 if ( WHATSLEFT <= STRLENOF( " " SEARCHBASESTR "=\"" "\"" ) + si->si_base.bv_len ) return;
3977                 ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
3978                 ptr = lutil_strcopy( ptr, si->si_base.bv_val );
3979                 *ptr++ = '"';
3980         }
3981         if ( !BER_BVISEMPTY( &si->si_logfilterstr ) ) {
3982                 if ( WHATSLEFT <= STRLENOF( " " LOGFILTERSTR "=\"" "\"" ) + si->si_logfilterstr.bv_len ) return;
3983                 ptr = lutil_strcopy( ptr, " " LOGFILTERSTR "=\"" );
3984                 ptr = lutil_strcopy( ptr, si->si_logfilterstr.bv_val );
3985                 *ptr++ = '"';
3986         }
3987         if ( !BER_BVISNULL( &si->si_logbase ) ) {
3988                 if ( WHATSLEFT <= STRLENOF( " " LOGBASESTR "=\"" "\"" ) + si->si_logbase.bv_len ) return;
3989                 ptr = lutil_strcopy( ptr, " " LOGBASESTR "=\"" );
3990                 ptr = lutil_strcopy( ptr, si->si_logbase.bv_val );
3991                 *ptr++ = '"';
3992         }
3993         for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
3994                 if ( si->si_scope == scopes[i].val ) {
3995                         if ( WHATSLEFT <= STRLENOF( " " SCOPESTR "=" ) + scopes[i].key.bv_len ) return;
3996                         ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
3997                         ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
3998                         break;
3999                 }
4000         }
4001         if ( si->si_attrsonly ) {
4002                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
4003                 ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR );
4004         }
4005         if ( si->si_anfile ) {
4006                 if ( WHATSLEFT <= STRLENOF( " " ATTRSSTR "=\":include:" "\"" ) + strlen( si->si_anfile ) ) return;
4007                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:\"" );
4008                 ptr = lutil_strcopy( ptr, si->si_anfile );
4009                 *ptr++ = '"';
4010         } else if ( si->si_allattrs || si->si_allopattrs ||
4011                 ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) ) )
4012         {
4013                 char *old;
4014
4015                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
4016                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
4017                 old = ptr;
4018                 /* FIXME: add check for overflow */
4019                 ptr = anlist_unparse( si->si_anlist, ptr, WHATSLEFT );
4020                 if ( si->si_allattrs ) {
4021                         if ( WHATSLEFT <= STRLENOF( ",*\"" ) ) return;
4022                         if ( old != ptr ) *ptr++ = ',';
4023                         *ptr++ = '*';
4024                 }
4025                 if ( si->si_allopattrs ) {
4026                         if ( WHATSLEFT <= STRLENOF( ",+\"" ) ) return;
4027                         if ( old != ptr ) *ptr++ = ',';
4028                         *ptr++ = '+';
4029                 }
4030                 *ptr++ = '"';
4031         }
4032         if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
4033                 if ( WHATSLEFT <= STRLENOF( " " EXATTRSSTR "=" ) ) return;
4034                 ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
4035                 /* FIXME: add check for overflow */
4036                 ptr = anlist_unparse( si->si_exanlist, ptr, WHATSLEFT );
4037         }
4038         if ( WHATSLEFT <= STRLENOF( " " SCHEMASTR "=" ) + STRLENOF( "off" ) ) return;
4039         ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
4040         ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
4041
4042         if ( WHATSLEFT <= STRLENOF( " " TYPESTR "=" ) + STRLENOF( "refreshAndPersist" ) ) return;
4043         ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
4044         ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
4045                 "refreshAndPersist" : "refreshOnly" );
4046
4047         if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
4048                 int dd, hh, mm, ss;
4049
4050                 dd = si->si_interval;
4051                 ss = dd % 60;
4052                 dd /= 60;
4053                 mm = dd % 60;
4054                 dd /= 60;
4055                 hh = dd % 24;
4056                 dd /= 24;
4057                 ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
4058                 ptr += snprintf( ptr, WHATSLEFT, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
4059                 if ( ptr - buf >= sizeof( buf ) ) return;
4060         } else if ( si->si_retryinterval ) {
4061                 int space=0;
4062                 if ( WHATSLEFT <= STRLENOF( " " RETRYSTR "=\"" "\"" ) ) return;
4063                 ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
4064                 for (i=0; si->si_retryinterval[i]; i++) {
4065                         if ( space ) *ptr++ = ' ';
4066                         space = 1;
4067                         ptr += snprintf( ptr, WHATSLEFT, "%ld ", (long) si->si_retryinterval[i] );
4068                         if ( si->si_retrynum_init[i] == RETRYNUM_FOREVER )
4069                                 *ptr++ = '+';
4070                         else
4071                                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_retrynum_init[i] );
4072                 }
4073                 if ( WHATSLEFT <= STRLENOF( "\"" ) ) return;
4074                 *ptr++ = '"';
4075         }
4076
4077         if ( si->si_slimit ) {
4078                 if ( WHATSLEFT <= STRLENOF( " " SLIMITSTR "=" ) ) return;
4079                 ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
4080                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_slimit );
4081         }
4082
4083         if ( si->si_tlimit ) {
4084                 if ( WHATSLEFT <= STRLENOF( " " TLIMITSTR "=" ) ) return;
4085                 ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
4086                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_tlimit );
4087         }
4088
4089         if ( si->si_syncdata ) {
4090                 if ( enum_to_verb( datamodes, si->si_syncdata, &bc ) >= 0 ) {
4091                         if ( WHATSLEFT <= STRLENOF( " " SYNCDATASTR "=" ) + bc.bv_len ) return;
4092                         ptr = lutil_strcopy( ptr, " " SYNCDATASTR "=" );
4093                         ptr = lutil_strcopy( ptr, bc.bv_val );
4094                 }
4095         }
4096         bc.bv_len = ptr - buf;
4097         bc.bv_val = buf;
4098         ber_dupbv( bv, &bc );
4099 }
4100
4101 int
4102 syncrepl_config( ConfigArgs *c )
4103 {
4104         if (c->op == SLAP_CONFIG_EMIT) {
4105                 if ( c->be->be_syncinfo ) {
4106                         struct berval bv;
4107                         syncinfo_t *si;
4108
4109                         for ( si = c->be->be_syncinfo; si; si=si->si_next ) {
4110                                 syncrepl_unparse( si, &bv );
4111                                 ber_bvarray_add( &c->rvalue_vals, &bv );
4112                         }
4113                         return 0;
4114                 }
4115                 return 1;
4116         } else if ( c->op == LDAP_MOD_DELETE ) {
4117                 cookie_state *cs = NULL;
4118                 if ( c->be->be_syncinfo ) {
4119                         syncinfo_t *si, **sip;
4120                         int i;
4121
4122                         cs = c->be->be_syncinfo->si_cookieState;
4123                         for ( sip = &c->be->be_syncinfo, i=0; *sip; i++ ) {
4124                                 si = *sip;
4125                                 if ( c->valx == -1 || i == c->valx ) {
4126                                         *sip = si->si_next;
4127                                         /* If the task is currently active, we have to leave
4128                                          * it running. It will exit on its own. This will only
4129                                          * happen when running on the cn=config DB.
4130                                          */
4131                                         if ( si->si_re &&
4132                                                 ldap_pvt_runqueue_isrunning( &slapd_rq, si->si_re ) ) {
4133                                                 si->si_ctype = 0;
4134                                         } else {
4135                                                 syncinfo_free( si, 0 );
4136                                         }
4137                                         if ( i == c->valx )
4138                                                 break;
4139                                 } else {
4140                                         sip = &si->si_next;
4141                                 }
4142                         }
4143                 }
4144                 if ( !c->be->be_syncinfo ) {
4145                         SLAP_DBFLAGS( c->be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
4146                         if ( cs ) {
4147                                 ber_bvarray_free( cs->cs_vals );
4148                                 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
4149                                 ch_free( cs );
4150                         }
4151                 }
4152                 return 0;
4153         }
4154         if ( SLAP_SLURP_SHADOW( c->be ) ) {
4155                 Debug(LDAP_DEBUG_ANY, "%s: "
4156                         "syncrepl: database already shadowed.\n",
4157                         c->log, 0, 0);
4158                 return(1);
4159         } else {
4160                 return add_syncrepl( c );
4161         }
4162 }