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 2003-2009 The OpenLDAP Foundation.
   6  * Portions Copyright 2003 by IBM Corporation.
   7  * Portions Copyright 2003-2008 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_got;
 100         ber_int_t       si_msgid;
 101         Avlnode                 *si_presentlist;
 102         LDAP                    *si_ld;
 103         Connection              *si_conn;
 104         LDAP_LIST_HEAD(np, nonpresent_entry)    si_nonpresentlist;
 105         ldap_pvt_thread_mutex_t si_mutex;
 106 } syncinfo_t;
 107
 108 static int syncuuid_cmp( const void *, const void * );
 109 static int avl_presentlist_insert( syncinfo_t* si, struct berval *syncUUID );
 110 static void syncrepl_del_nonpresent( Operation *, syncinfo_t *, BerVarray, struct sync_cookie *, int );
 111 static int syncrepl_message_to_op(
 112                                         syncinfo_t *, Operation *, LDAPMessage * );
 113 static int syncrepl_message_to_entry(
 114                                         syncinfo_t *, Operation *, LDAPMessage *,
 115                                         Modifications **, Entry **, int );
 116 static int syncrepl_entry(
 117                                         syncinfo_t *, Operation*, Entry*,
 118                                         Modifications**,int, struct berval*,
 119                                         struct berval *cookieCSN );
 120 static int syncrepl_updateCookie(
 121                                         syncinfo_t *, Operation *, struct berval *,
 122                                         struct sync_cookie * );
 123 static struct berval * slap_uuidstr_from_normalized(
 124                                         struct berval *, struct berval *, void * );
 125
 126 /* callback functions */
 127 static int dn_callback( Operation *, SlapReply * );
 128 static int nonpresent_callback( Operation *, SlapReply * );
 129 static int null_callback( Operation *, SlapReply * );
 130
 131 static AttributeDescription *sync_descs[4];
 132
 133 static const char *
 134 syncrepl_state2str( int state )
 135 {
 136         switch ( state ) {
 137         case LDAP_SYNC_PRESENT:
 138                 return "PRESENT";
 139
 140         case LDAP_SYNC_ADD:
 141                 return "ADD";
 142
 143         case LDAP_SYNC_MODIFY:
 144                 return "MODIFY";
 145
 146         case LDAP_SYNC_DELETE:
 147                 return "DELETE";
 148         }
 149
 150         return "UNKNOWN";
 151 }
 152
 153 static void
 154 init_syncrepl(syncinfo_t *si)
 155 {
 156         int i, j, k, l, n;
 157         char **attrs, **exattrs;
 158
 159         if ( !sync_descs[0] ) {
 160                 sync_descs[0] = slap_schema.si_ad_objectClass;
 161                 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
 162                 sync_descs[2] = slap_schema.si_ad_entryCSN;
 163                 sync_descs[3] = NULL;
 164         }
 165
 166         if ( si->si_allattrs && si->si_allopattrs )
 167                 attrs = NULL;
 168         else
 169                 attrs = anlist2attrs( si->si_anlist );
 170
 171         if ( attrs ) {
 172                 if ( si->si_allattrs ) {
 173                         i = 0;
 174                         while ( attrs[i] ) {
 175                                 if ( !is_at_operational( at_find( attrs[i] ) ) ) {
 176                                         for ( j = i; attrs[j] != NULL; j++ ) {
 177                                                 if ( j == i )
 178                                                         ch_free( attrs[i] );
 179                                                 attrs[j] = attrs[j+1];
 180                                         }
 181                                 } else {
 182                                         i++;
 183                                 }
 184                         }
 185                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 186                         attrs[i] = ch_strdup("*");
 187                         attrs[i + 1] = NULL;
 188
 189                 } else if ( si->si_allopattrs ) {
 190                         i = 0;
 191                         while ( attrs[i] ) {
 192                                 if ( is_at_operational( at_find( attrs[i] ) ) ) {
 193                                         for ( j = i; attrs[j] != NULL; j++ ) {
 194                                                 if ( j == i )
 195                                                         ch_free( attrs[i] );
 196                                                 attrs[j] = attrs[j+1];
 197                                         }
 198                                 } else {
 199                                         i++;
 200                                 }
 201                         }
 202                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 203                         attrs[i] = ch_strdup("+");
 204                         attrs[i + 1] = NULL;
 205                 }
 206
 207                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 208                         j = 0;
 209                         while ( attrs[j] ) {
 210                                 if ( !strcmp( attrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
 211                                         for ( k = j; attrs[k] != NULL; k++ ) {
 212                                                 if ( k == j )
 213                                                         ch_free( attrs[k] );
 214                                                 attrs[k] = attrs[k+1];
 215                                         }
 216                                 } else {
 217                                         j++;
 218                                 }
 219                         }
 220                 }
 221
 222                 for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */;
 223
 224                 if ( si->si_allopattrs ) {
 225                         attrs = ( char ** ) ch_realloc( attrs, (n + 2)*sizeof( char * ) );
 226                 } else {
 227                         attrs = ( char ** ) ch_realloc( attrs, (n + 4)*sizeof( char * ) );
 228                 }
 229
 230                 /* Add Attributes */
 231                 if ( si->si_allopattrs ) {
 232                         attrs[n++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 233                 } else {
 234                         for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
 235                                 attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
 236                         }
 237                 }
 238                 attrs[ n ] = NULL;
 239
 240         } else {
 241
 242                 i = 0;
 243                 if ( si->si_allattrs == si->si_allopattrs ) {
 244                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 245                         attrs[i++] = ch_strdup( "*" );
 246                         attrs[i++] = ch_strdup( "+" );
 247                 } else if ( si->si_allattrs && !si->si_allopattrs ) {
 248                         for ( n = 0; sync_descs[ n ] != NULL; n++ ) ;
 249                         attrs = (char**) ch_malloc( (n+1)* sizeof(char*) );
 250                         attrs[i++] = ch_strdup( "*" );
 251                         for ( j = 1; sync_descs[ j ] != NULL; j++ ) {
 252                                 attrs[i++] = ch_strdup ( sync_descs[j]->ad_cname.bv_val );
 253                         }
 254                 } else if ( !si->si_allattrs && si->si_allopattrs ) {
 255                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 256                         attrs[i++] = ch_strdup( "+" );
 257                         attrs[i++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 258                 }
 259                 attrs[i] = NULL;
 260         }
 261
 262         si->si_attrs = attrs;
 263
 264         exattrs = anlist2attrs( si->si_exanlist );
 265
 266         if ( exattrs ) {
 267                 for ( n = 0; exattrs[n] != NULL; n++ ) ;
 268
 269                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 270                         j = 0;
 271                         while ( exattrs[j] != NULL ) {
 272                                 if ( !strcmp( exattrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
 273                                         ch_free( exattrs[j] );
 274                                         for ( k = j; exattrs[k] != NULL; k++ ) {
 275                                                 exattrs[k] = exattrs[k+1];
 276                                         }
 277                                 } else {
 278                                         j++;
 279                                 }
 280                         }
 281                 }
 282
 283                 for ( i = 0; exattrs[i] != NULL; i++ ) {
 284                         for ( j = 0; si->si_anlist[j].an_name.bv_val; j++ ) {
 285                                 ObjectClass     *oc;
 286                                 if ( ( oc = si->si_anlist[j].an_oc ) ) {
 287                                         k = 0;
 288                                         while ( oc->soc_required[k] ) {
 289                                                 if ( !strcmp( exattrs[i],
 290                                                          oc->soc_required[k]->sat_cname.bv_val ) ) {
 291                                                         ch_free( exattrs[i] );
 292                                                         for ( l = i; exattrs[l]; l++ ) {
 293                                                                 exattrs[l] = exattrs[l+1];
 294                                                         }
 295                                                 } else {
 296                                                         k++;
 297                                                 }
 298                                         }
 299                                 }
 300                         }
 301                 }
 302
 303                 for ( i = 0; exattrs[i] != NULL; i++ ) ;
 304
 305                 if ( i != n )
 306                         exattrs = (char **) ch_realloc( exattrs, (i + 1)*sizeof(char *) );
 307         }
 308
 309         si->si_exattrs = exattrs;
 310 }
 311
 312 typedef struct logschema {
 313         struct berval ls_dn;
 314         struct berval ls_req;
 315         struct berval ls_mod;
 316         struct berval ls_newRdn;
 317         struct berval ls_delRdn;
 318         struct berval ls_newSup;
 319 } logschema;
 320
 321 static logschema changelog_sc = {
 322         BER_BVC("targetDN"),
 323         BER_BVC("changeType"),
 324         BER_BVC("changes"),
 325         BER_BVC("newRDN"),
 326         BER_BVC("deleteOldRDN"),
 327         BER_BVC("newSuperior")
 328 };
 329
 330 static logschema accesslog_sc = {
 331         BER_BVC("reqDN"),
 332         BER_BVC("reqType"),
 333         BER_BVC("reqMod"),
 334         BER_BVC("reqNewRDN"),
 335         BER_BVC("reqDeleteOldRDN"),
 336         BER_BVC("reqNewSuperior")
 337 };
 338
 339 static int
 340 ldap_sync_search(
 341         syncinfo_t *si,
 342         void *ctx )
 343 {
 344         BerElementBuffer berbuf;
 345         BerElement *ber = (BerElement *)&berbuf;
 346         LDAPControl c[3], *ctrls[4];
 347         int rc;
 348         int rhint;
 349         char *base;
 350         char **attrs, *lattrs[8];
 351         char *filter;
 352         int attrsonly;
 353         int scope;
 354
 355         /* setup LDAP SYNC control */
 356         ber_init2( ber, NULL, LBER_USE_DER );
 357         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 358
 359         /* If we're using a log but we have no state, then fallback to
 360          * normal mode for a full refresh.
 361          */
 362         if ( si->si_syncdata && !si->si_syncCookie.numcsns ) {
 363                 si->si_logstate = SYNCLOG_FALLBACK;
 364         }
 365
 366         /* Use the log parameters if we're in log mode */
 367         if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 368                 logschema *ls;
 369                 if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
 370                         ls = &accesslog_sc;
 371                 else
 372                         ls = &changelog_sc;
 373                 lattrs[0] = ls->ls_dn.bv_val;
 374                 lattrs[1] = ls->ls_req.bv_val;
 375                 lattrs[2] = ls->ls_mod.bv_val;
 376                 lattrs[3] = ls->ls_newRdn.bv_val;
 377                 lattrs[4] = ls->ls_delRdn.bv_val;
 378                 lattrs[5] = ls->ls_newSup.bv_val;
 379                 lattrs[6] = slap_schema.si_ad_entryCSN->ad_cname.bv_val;
 380                 lattrs[7] = NULL;
 381
 382                 rhint = 0;
 383                 base = si->si_logbase.bv_val;
 384                 filter = si->si_logfilterstr.bv_val;
 385                 attrs = lattrs;
 386                 attrsonly = 0;
 387                 scope = LDAP_SCOPE_SUBTREE;
 388         } else {
 389                 rhint = 1;
 390                 base = si->si_base.bv_val;
 391                 filter = si->si_filterstr.bv_val;
 392                 attrs = si->si_attrs;
 393                 attrsonly = si->si_attrsonly;
 394                 scope = si->si_scope;
 395         }
 396         if ( si->si_syncdata && si->si_logstate == SYNCLOG_FALLBACK ) {
 397                 si->si_type = LDAP_SYNC_REFRESH_ONLY;
 398         } else {
 399                 si->si_type = si->si_ctype;
 400         }
 401
 402         if ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) )
 403         {
 404                 ber_printf( ber, "{eOb}",
 405                         abs(si->si_type), &si->si_syncCookie.octet_str, rhint );
 406         } else {
 407                 ber_printf( ber, "{eb}",
 408                         abs(si->si_type), rhint );
 409         }
 410
 411         if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 ) ) == -1 ) {
 412                 ber_free_buf( ber );
 413                 return rc;
 414         }
 415
 416         c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 417         c[0].ldctl_iscritical = si->si_type < 0;
 418         ctrls[0] = &c[0];
 419
 420         c[1].ldctl_oid = LDAP_CONTROL_MANAGEDSAIT;
 421         BER_BVZERO( &c[1].ldctl_value );
 422         c[1].ldctl_iscritical = 1;
 423         ctrls[1] = &c[1];
 424
 425         if ( !BER_BVISNULL( &si->si_bindconf.sb_authzId ) ) {
 426                 c[2].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 427                 c[2].ldctl_value = si->si_bindconf.sb_authzId;
 428                 c[2].ldctl_iscritical = 1;
 429                 ctrls[2] = &c[2];
 430                 ctrls[3] = NULL;
 431         } else {
 432                 ctrls[2] = NULL;
 433         }
 434
 435         rc = ldap_search_ext( si->si_ld, base, scope, filter, attrs, attrsonly,
 436                 ctrls, NULL, NULL, si->si_slimit, &si->si_msgid );
 437         ber_free_buf( ber );
 438         return rc;
 439 }
 440
 441 static int
 442 check_syncprov(
 443         Operation *op,
 444         syncinfo_t *si )
 445 {
 446         AttributeName at[2];
 447         Attribute a = {0};
 448         Entry e = {0};
 449         SlapReply rs = {0};
 450         int i, j, changed = 0;
 451
 452         /* Look for contextCSN from syncprov overlay. If
 453          * there's no overlay, this will be a no-op. That means
 454          * this is a pure consumer, so local changes will not be
 455          * allowed, and all changes will already be reflected in
 456          * the cookieState.
 457          */
 458         a.a_desc = slap_schema.si_ad_contextCSN;
 459         e.e_attrs = &a;
 460         e.e_name = op->o_bd->be_suffix[0];
 461         e.e_nname = op->o_bd->be_nsuffix[0];
 462         at[0].an_name = a.a_desc->ad_cname;
 463         at[0].an_desc = a.a_desc;
 464         BER_BVZERO( &at[1].an_name );
 465         rs.sr_entry = &e;
 466         rs.sr_flags = REP_ENTRY_MODIFIABLE;
 467         rs.sr_attrs = at;
 468         op->o_req_dn = e.e_name;
 469         op->o_req_ndn = e.e_nname;
 470
 471         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
 472         i = backend_operational( op, &rs );
 473         if ( i == LDAP_SUCCESS && a.a_nvals ) {
 474                 int num = a.a_numvals;
 475                 /* check for differences */
 476                 if ( num != si->si_cookieState->cs_num ) {
 477                         changed = 1;
 478                 } else {
 479                         for ( i=0; i<num; i++ ) {
 480                                 if ( ber_bvcmp( &a.a_nvals[i],
 481                                         &si->si_cookieState->cs_vals[i] )) {
 482                                         changed = 1;
 483                                         break;
 484                                 }
 485                         }
 486                 }
 487                 if ( changed ) {
 488                         ber_bvarray_free( si->si_cookieState->cs_vals );
 489                         ch_free( si->si_cookieState->cs_sids );
 490                         si->si_cookieState->cs_num = num;
 491                         si->si_cookieState->cs_vals = a.a_nvals;
 492                         si->si_cookieState->cs_sids = slap_parse_csn_sids( a.a_nvals,
 493                                 num, NULL );
 494                         si->si_cookieState->cs_age++;
 495                 } else {
 496                         ber_bvarray_free( a.a_nvals );
 497                 }
 498                 ber_bvarray_free( a.a_vals );
 499         }
 500         /* See if the cookieState has changed due to anything outside
 501          * this particular consumer. That includes other consumers in
 502          * the same context, or local changes detected above.
 503          */
 504         if ( si->si_cookieState->cs_num > 0 && si->si_cookieAge !=
 505                 si->si_cookieState->cs_age ) {
 506                 if ( !si->si_syncCookie.numcsns ) {
 507                         ber_bvarray_free( si->si_syncCookie.ctxcsn );
 508                         ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 509                                 si->si_cookieState->cs_vals, NULL );
 510                         changed = 1;
 511                 } else {
 512                         for (i=0; !BER_BVISNULL( &si->si_syncCookie.ctxcsn[i] ); i++) {
 513                                 /* bogus, just dup everything */
 514                                 if ( si->si_syncCookie.sids[i] == -1 ) {
 515                                         ber_bvarray_free( si->si_syncCookie.ctxcsn );
 516                                         ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 517                                                 si->si_cookieState->cs_vals, NULL );
 518                                         changed = 1;
 519                                         break;
 520                                 }
 521                                 for (j=0; j<si->si_cookieState->cs_num; j++) {
 522                                         if ( si->si_syncCookie.sids[i] !=
 523                                                 si->si_cookieState->cs_sids[j] )
 524                                                 continue;
 525                                         if ( bvmatch( &si->si_syncCookie.ctxcsn[i],
 526                                                 &si->si_cookieState->cs_vals[j] ))
 527                                                 break;
 528                                         ber_bvreplace( &si->si_syncCookie.ctxcsn[i],
 529                                                 &si->si_cookieState->cs_vals[j] );
 530                                         changed = 1;
 531                                         break;
 532                                 }
 533                         }
 534                 }
 535         }
 536         if ( changed ) {
 537                 si->si_cookieAge = si->si_cookieState->cs_age;
 538                 ch_free( si->si_syncCookie.octet_str.bv_val );
 539                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 540                         si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
 541                         si->si_syncCookie.sid );
 542         }
 543         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 544         return changed;
 545 }
 546
 547 static int
 548 do_syncrep1(
 549         Operation *op,
 550         syncinfo_t *si )
 551 {
 552         int     rc;
 553         int cmdline_cookie_found = 0;
 554
 555         struct sync_cookie      *sc = NULL;
 556 #ifdef HAVE_TLS
 557         void    *ssl;
 558 #endif
 559
 560         rc = slap_client_connect( &si->si_ld, &si->si_bindconf );
 561         if ( rc != LDAP_SUCCESS ) {
 562                 goto done;
 563         }
 564         op->o_protocol = LDAP_VERSION3;
 565
 566         /* Set SSF to strongest of TLS, SASL SSFs */
 567         op->o_sasl_ssf = 0;
 568         op->o_tls_ssf = 0;
 569         op->o_transport_ssf = 0;
 570 #ifdef HAVE_TLS
 571         if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
 572                 == LDAP_SUCCESS && ssl != NULL )
 573         {
 574                 op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
 575         }
 576 #endif /* HAVE_TLS */
 577         {
 578                 ber_len_t ssf; /* ITS#5403, 3864 LDAP_OPT_X_SASL_SSF probably ought
 579                                                   to use sasl_ssf_t but currently uses ber_len_t */
 580                 ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &ssf );
 581                 op->o_sasl_ssf = ssf;
 582         }
 583         op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
 584                 ?  op->o_sasl_ssf : op->o_tls_ssf;
 585
 586         ldap_set_option( si->si_ld, LDAP_OPT_TIMELIMIT, &si->si_tlimit );
 587
 588         rc = LDAP_DEREF_NEVER;  /* actually could allow DEREF_FINDING */
 589         ldap_set_option( si->si_ld, LDAP_OPT_DEREF, &rc );
 590
 591         ldap_set_option( si->si_ld, LDAP_OPT_REFERRALS, LDAP_OPT_OFF );
 592
 593         si->si_syncCookie.rid = si->si_rid;
 594
 595         /* whenever there are multiple data sources possible, advertise sid */
 596         si->si_syncCookie.sid = ( SLAP_MULTIMASTER( si->si_be ) || si->si_be != si->si_wbe ) ?
 597                 slap_serverID : -1;
 598
 599         /* We've just started up, or the remote server hasn't sent us
 600          * any meaningful state.
 601          */
 602         if ( BER_BVISNULL( &si->si_syncCookie.octet_str ) ) {
 603                 int i;
 604
 605                 LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
 606                         if ( si->si_rid == sc->rid ) {
 607                                 cmdline_cookie_found = 1;
 608                                 break;
 609                         }
 610                 }
 611
 612                 if ( cmdline_cookie_found ) {
 613                         /* cookie is supplied in the command line */
 614
 615                         LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
 616
 617                         /* ctxcsn wasn't parsed yet, do it now */
 618                         slap_parse_sync_cookie( sc, op->o_tmpmemctx );
 619                         slap_sync_cookie_free( &si->si_syncCookie, 0 );
 620                         slap_dup_sync_cookie( &si->si_syncCookie, sc );
 621                         slap_sync_cookie_free( sc, 1 );
 622                 } else {
 623                         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
 624                         if ( !si->si_cookieState->cs_num ) {
 625                                 /* get contextCSN shadow replica from database */
 626                                 BerVarray csn = NULL;
 627                                 void *ctx = op->o_tmpmemctx;
 628
 629                                 op->o_req_ndn = op->o_bd->be_nsuffix[0];
 630                                 op->o_req_dn = op->o_req_ndn;
 631
 632                                 /* try to read stored contextCSN */
 633                                 op->o_tmpmemctx = NULL;
 634                                 backend_attribute( op, NULL, &op->o_req_ndn,
 635                                         slap_schema.si_ad_contextCSN, &csn, ACL_READ );
 636                                 op->o_tmpmemctx = ctx;
 637                                 if ( csn ) {
 638                                         si->si_cookieState->cs_vals = csn;
 639                                         for (i=0; !BER_BVISNULL( &csn[i] ); i++);
 640                                         si->si_cookieState->cs_num = i;
 641                                         si->si_cookieState->cs_sids = slap_parse_csn_sids( csn, i, NULL );
 642                                 }
 643                         }
 644                         if ( si->si_cookieState->cs_num ) {
 645                                 ber_bvarray_free( si->si_syncCookie.ctxcsn );
 646                                 if ( ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
 647                                         si->si_cookieState->cs_vals, NULL )) {
 648                                         rc = LDAP_NO_MEMORY;
 649                                         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 650                                         goto done;
 651                                 }
 652                                 si->si_syncCookie.numcsns = si->si_cookieState->cs_num;
 653                                 si->si_syncCookie.sids = ch_malloc( si->si_cookieState->cs_num *
 654                                         sizeof(int) );
 655                                 for ( i=0; i<si->si_syncCookie.numcsns; i++ )
 656                                         si->si_syncCookie.sids[i] = si->si_cookieState->cs_sids[i];
 657                         }
 658                         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
 659                 }
 660
 661                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 662                         si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
 663                         si->si_syncCookie.sid );
 664         } else {
 665                 /* Look for contextCSN from syncprov overlay. */
 666                 check_syncprov( op, si );
 667         }
 668
 669         si->si_refreshDone = 0;
 670
 671         rc = ldap_sync_search( si, op->o_tmpmemctx );
 672
 673         if( rc != LDAP_SUCCESS ) {
 674                 Debug( LDAP_DEBUG_ANY, "do_syncrep1: %s "
 675                         "ldap_search_ext: %s (%d)\n",
 676                         si->si_ridtxt, ldap_err2string( rc ), rc );
 677         }
 678
 679 done:
 680         if ( rc ) {
 681                 if ( si->si_ld ) {
 682                         ldap_unbind_ext( si->si_ld, NULL, NULL );
 683                         si->si_ld = NULL;
 684                 }
 685         }
 686
 687         return rc;
 688 }
 689
 690 static int
 691 compare_csns( struct sync_cookie *sc1, struct sync_cookie *sc2, int *which )
 692 {
 693         int i, j, match = 0;
 694         const char *text;
 695
 696         *which = 0;
 697
 698         if ( sc1->numcsns < sc2->numcsns ) {
 699                 *which = sc1->numcsns;
 700                 return -1;
 701         }
 702
 703         for (j=0; j<sc2->numcsns; j++) {
 704                 for (i=0; i<sc1->numcsns; i++) {
 705                         if ( sc1->sids[i] != sc2->sids[j] )
 706                                 continue;
 707                         value_match( &match, slap_schema.si_ad_entryCSN,
 708                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 709                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 710                                 &sc1->ctxcsn[i], &sc2->ctxcsn[j], &text );
 711                         if ( match < 0 ) {
 712                                 *which = j;
 713                                 return match;
 714                         }
 715                         break;
 716                 }
 717                 if ( i == sc1->numcsns ) {
 718                         /* sc2 has a sid sc1 lacks */
 719                         *which = j;
 720                         return -1;
 721                 }
 722         }
 723         return match;
 724 }
 725
 726 #define SYNC_PAUSED     -3
 727
 728 static int
 729 do_syncrep2(
 730         Operation *op,
 731         syncinfo_t *si )
 732 {
 733         LDAPControl     **rctrls = NULL;
 734
 735         BerElementBuffer berbuf;
 736         BerElement      *ber = (BerElement *)&berbuf;
 737
 738         LDAPMessage     *msg = NULL;
 739
 740         char            *retoid = NULL;
 741         struct berval   *retdata = NULL;
 742
 743         Entry           *entry = NULL;
 744
 745         int             syncstate;
 746         struct berval   syncUUID = BER_BVNULL;
 747         struct sync_cookie      syncCookie = { NULL };
 748         struct sync_cookie      syncCookie_req = { NULL };
 749         struct berval           cookie = BER_BVNULL;
 750
 751         int             rc,
 752                         err = LDAP_SUCCESS;
 753         ber_len_t       len;
 754
 755         struct berval   *psub;
 756         Modifications   *modlist = NULL;
 757
 758         int                             match, m;
 759
 760         struct timeval *tout_p = NULL;
 761         struct timeval tout = { 0, 0 };
 762
 763         int             refreshDeletes = 0;
 764         BerVarray syncUUIDs = NULL;
 765         ber_tag_t si_tag;
 766
 767         if ( slapd_shutdown ) {
 768                 rc = -2;
 769                 goto done;
 770         }
 771
 772         ber_init2( ber, NULL, LBER_USE_DER );
 773         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 774
 775         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2 %s\n", si->si_ridtxt, 0, 0 );
 776
 777         psub = &si->si_be->be_nsuffix[0];
 778
 779         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 780
 781         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 782                 tout_p = &tout;
 783         } else {
 784                 tout_p = NULL;
 785         }
 786
 787         while ( ( rc = ldap_result( si->si_ld, si->si_msgid, LDAP_MSG_ONE,
 788                 tout_p, &msg ) ) > 0 )
 789         {
 790                 LDAPControl     *rctrlp = NULL;
 791
 792                 if ( slapd_shutdown ) {
 793                         rc = -2;
 794                         goto done;
 795                 }
 796                 switch( ldap_msgtype( msg ) ) {
 797                 case LDAP_RES_SEARCH_ENTRY:
 798                         ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 799                         /* we can't work without the control */
 800                         if ( rctrls ) {
 801                                 LDAPControl **next;
 802                                 /* NOTE: make sure we use the right one;
 803                                  * a better approach would be to run thru
 804                                  * the whole list and take care of all */
 805                                 /* NOTE: since we issue the search request,
 806                                  * we should know what controls to expect,
 807                                  * and there should be none apart from the
 808                                  * sync-related control */
 809                                 rctrlp = ldap_control_find( LDAP_CONTROL_SYNC_STATE, rctrls, &next );
 810                                 if ( next && ldap_control_find( LDAP_CONTROL_SYNC_STATE, next, NULL ) )
 811                                 {
 812                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 813                                                 "got search entry with multiple "
 814                                                 "Sync State control\n", si->si_ridtxt, 0, 0 );
 815                                         ldap_controls_free( rctrls );
 816                                         rc = -1;
 817                                         goto done;
 818                                 }
 819                         }
 820                         if ( rctrlp == NULL ) {
 821                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 822                                         "got search entry without "
 823                                         "Sync State control\n", si->si_ridtxt, 0, 0 );
 824                                 rc = -1;
 825                                 goto done;
 826                         }
 827                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 828                         ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
 829                         /* FIXME: what if syncUUID is NULL or empty?
 830                          * (happens with back-sql...) */
 831                         if ( BER_BVISEMPTY( &syncUUID ) ) {
 832                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 833                                         "got empty syncUUID with LDAP_SYNC_%s\n",
 834                                         si->si_ridtxt,
 835                                         syncrepl_state2str( syncstate ), 0 );
 836                                 ldap_controls_free( rctrls );
 837                                 rc = -1;
 838                                 goto done;
 839                         }
 840                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 841                                 ber_scanf( ber, /*"{"*/ "m}", &cookie );
 842
 843                                 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
 844                                         BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
 845
 846                                 if ( !BER_BVISNULL( &cookie ) ) {
 847                                         ch_free( syncCookie.octet_str.bv_val );
 848                                         ber_dupbv( &syncCookie.octet_str, &cookie );
 849                                 }
 850                                 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 851                                 {
 852                                         slap_parse_sync_cookie( &syncCookie, NULL );
 853                                         if ( syncCookie.ctxcsn ) {
 854                                                 int i, sid = slap_parse_csn_sid( syncCookie.ctxcsn );
 855                                                 for ( i =0; i<si->si_cookieState->cs_num; i++ ) {
 856                                                         if ( si->si_cookieState->cs_sids[i] == sid &&
 857                                                                 ber_bvcmp( syncCookie.ctxcsn, &si->si_cookieState->cs_vals[i] ) <= 0 ) {
 858                                                                 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s CSN too old, ignoring %s\n",
 859                                                                         si->si_ridtxt, syncCookie.ctxcsn->bv_val, 0 );
 860                                                                 ldap_controls_free( rctrls );
 861                                                                 rc = 0;
 862                                                                 goto done;
 863                                                         }
 864                                                 }
 865                                         }
 866                                         op->o_controls[slap_cids.sc_LDAPsync] = &syncCookie;
 867                                 }
 868                         }
 869                         rc = 0;
 870                         if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 871                                 modlist = NULL;
 872                                 if ( ( rc = syncrepl_message_to_op( si, op, msg ) ) == LDAP_SUCCESS &&
 873                                         syncCookie.ctxcsn )
 874                                 {
 875                                         rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 876                                 } else switch ( rc ) {
 877                                         case LDAP_ALREADY_EXISTS:
 878                                         case LDAP_NO_SUCH_OBJECT:
 879                                         case LDAP_NO_SUCH_ATTRIBUTE:
 880                                         case LDAP_TYPE_OR_VALUE_EXISTS:
 881                                                 rc = LDAP_SYNC_REFRESH_REQUIRED;
 882                                                 si->si_logstate = SYNCLOG_FALLBACK;
 883                                                 ldap_abandon_ext( si->si_ld, si->si_msgid, NULL, NULL );
 884                                                 break;
 885                                         default:
 886                                                 break;
 887                                 }
 888                         } else if ( ( rc = syncrepl_message_to_entry( si, op, msg,
 889                                 &modlist, &entry, syncstate ) ) == LDAP_SUCCESS )
 890                         {
 891                                 if ( ( rc = syncrepl_entry( si, op, entry, &modlist,
 892                                         syncstate, &syncUUID, syncCookie.ctxcsn ) ) == LDAP_SUCCESS &&
 893                                         syncCookie.ctxcsn )
 894                                 {
 895                                         rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
 896                                 }
 897                         }
 898                         ldap_controls_free( rctrls );
 899                         if ( modlist ) {
 900                                 slap_mods_free( modlist, 1 );
 901                         }
 902                         if ( rc )
 903                                 goto done;
 904                         break;
 905
 906                 case LDAP_RES_SEARCH_REFERENCE:
 907                         Debug( LDAP_DEBUG_ANY,
 908                                 "do_syncrep2: %s reference received error\n",
 909                                 si->si_ridtxt, 0, 0 );
 910                         break;
 911
 912                 case LDAP_RES_SEARCH_RESULT:
 913                         Debug( LDAP_DEBUG_SYNC,
 914                                 "do_syncrep2: %s LDAP_RES_SEARCH_RESULT\n",
 915                                 si->si_ridtxt, 0, 0 );
 916                         ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 917                                 &rctrls, 0 );
 918 #ifdef LDAP_X_SYNC_REFRESH_REQUIRED
 919                         if ( err == LDAP_X_SYNC_REFRESH_REQUIRED ) {
 920                                 /* map old result code to registered code */
 921                                 err = LDAP_SYNC_REFRESH_REQUIRED;
 922                         }
 923 #endif
 924                         if ( err == LDAP_SYNC_REFRESH_REQUIRED ) {
 925                                 if ( si->si_logstate == SYNCLOG_LOGGING ) {
 926                                         si->si_logstate = SYNCLOG_FALLBACK;
 927                                 }
 928                                 rc = err;
 929                                 goto done;
 930                         }
 931                         if ( err ) {
 932                                 Debug( LDAP_DEBUG_ANY,
 933                                         "do_syncrep2: %s LDAP_RES_SEARCH_RESULT (%d) %s\n",
 934                                         si->si_ridtxt, err, ldap_err2string( err ) );
 935                         }
 936                         if ( rctrls ) {
 937                                 LDAPControl **next;
 938                                 /* NOTE: make sure we use the right one;
 939                                  * a better approach would be to run thru
 940                                  * the whole list and take care of all */
 941                                 /* NOTE: since we issue the search request,
 942                                  * we should know what controls to expect,
 943                                  * and there should be none apart from the
 944                                  * sync-related control */
 945                                 rctrlp = ldap_control_find( LDAP_CONTROL_SYNC_DONE, rctrls, &next );
 946                                 if ( next && ldap_control_find( LDAP_CONTROL_SYNC_DONE, next, NULL ) )
 947                                 {
 948                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
 949                                                 "got search result with multiple "
 950                                                 "Sync State control\n", si->si_ridtxt, 0, 0 );
 951                                         ldap_controls_free( rctrls );
 952                                         rc = -1;
 953                                         goto done;
 954                                 }
 955                         }
 956                         if ( rctrlp ) {
 957                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 958
 959                                 ber_scanf( ber, "{" /*"}"*/);
 960                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 961                                         ber_scanf( ber, "m", &cookie );
 962
 963                                         Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
 964                                                 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
 965
 966                                         if ( !BER_BVISNULL( &cookie ) ) {
 967                                                 ch_free( syncCookie.octet_str.bv_val );
 968                                                 ber_dupbv( &syncCookie.octet_str, &cookie);
 969                                         }
 970                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 971                                         {
 972                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 973                                                 op->o_controls[slap_cids.sc_LDAPsync] = &syncCookie;
 974                                         }
 975                                 }
 976                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 977                                 {
 978                                         ber_scanf( ber, "b", &refreshDeletes );
 979                                 }
 980                                 ber_scanf( ber, /*"{"*/ "}" );
 981                         }
 982                         if ( SLAP_MULTIMASTER( op->o_bd ) && check_syncprov( op, si )) {
 983                                 slap_sync_cookie_free( &syncCookie_req, 0 );
 984                                 slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 985                         }
 986                         if ( !syncCookie.ctxcsn ) {
 987                                 match = 1;
 988                         } else if ( !syncCookie_req.ctxcsn ) {
 989                                 match = -1;
 990                                 m = 0;
 991                         } else {
 992                                 match = compare_csns( &syncCookie_req, &syncCookie, &m );
 993                         }
 994                         if ( rctrls ) {
 995                                 ldap_controls_free( rctrls );
 996                         }
 997                         if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 998                                 /* FIXME : different error behaviors according to
 999                                  *      1) err code : LDAP_BUSY ...
1000                                  *      2) on err policy : stop service, stop sync, retry
1001                                  */
1002                                 if ( refreshDeletes == 0 && match < 0 &&
1003                                         err == LDAP_SUCCESS &&
1004                                         syncCookie_req.numcsns == syncCookie.numcsns )
1005                                 {
1006                                         syncrepl_del_nonpresent( op, si, NULL,
1007                                                 &syncCookie, m );
1008                                 } else {
1009                                         avl_free( si->si_presentlist, ch_free );
1010                                         si->si_presentlist = NULL;
1011                                 }
1012                         }
1013                         if ( syncCookie.ctxcsn && match < 0 && err == LDAP_SUCCESS )
1014                         {
1015                                 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
1016                         }
1017                         if ( err == LDAP_SUCCESS
1018                                 && si->si_logstate == SYNCLOG_FALLBACK ) {
1019                                 si->si_logstate = SYNCLOG_LOGGING;
1020                                 rc = LDAP_SYNC_REFRESH_REQUIRED;
1021                         } else {
1022                                 rc = -2;
1023                         }
1024                         goto done;
1025                         break;
1026
1027                 case LDAP_RES_INTERMEDIATE:
1028                         rc = ldap_parse_intermediate( si->si_ld, msg,
1029                                 &retoid, &retdata, NULL, 0 );
1030                         if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
1031                                 ber_init2( ber, retdata, LBER_USE_DER );
1032
1033                                 switch ( si_tag = ber_peek_tag( ber, &len ) ) {
1034                                 ber_tag_t tag;
1035                                 case LDAP_TAG_SYNC_NEW_COOKIE:
1036                                         Debug( LDAP_DEBUG_SYNC,
1037                                                 "do_syncrep2: %s %s - %s\n",
1038                                                 si->si_ridtxt,
1039                                                 "LDAP_RES_INTERMEDIATE",
1040                                                 "NEW_COOKIE" );
1041                                         ber_scanf( ber, "tm", &tag, &cookie );
1042                                         Debug( LDAP_DEBUG_SYNC,
1043                                                 "do_syncrep2: %s NEW_COOKIE: %s\n",
1044                                                 si->si_ridtxt,
1045                                                 cookie.bv_val, 0);
1046                                         if ( !BER_BVISNULL( &cookie ) ) {
1047                                                 ch_free( syncCookie.octet_str.bv_val );
1048                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
1049                                         }
1050                                         if (!BER_BVISNULL( &syncCookie.octet_str ) ) {
1051                                                 slap_parse_sync_cookie( &syncCookie, NULL );
1052                                                 op->o_controls[slap_cids.sc_LDAPsync] = &syncCookie;
1053                                         }
1054                                         break;
1055                                 case LDAP_TAG_SYNC_REFRESH_DELETE:
1056                                 case LDAP_TAG_SYNC_REFRESH_PRESENT:
1057                                         Debug( LDAP_DEBUG_SYNC,
1058                                                 "do_syncrep2: %s %s - %s\n",
1059                                                 si->si_ridtxt,
1060                                                 "LDAP_RES_INTERMEDIATE",
1061                                                 si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ?
1062                                                 "REFRESH_PRESENT" : "REFRESH_DELETE" );
1063                                         if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) {
1064                                                 si->si_refreshDelete = 1;
1065                                         } else {
1066                                                 si->si_refreshPresent = 1;
1067                                         }
1068                                         ber_scanf( ber, "t{" /*"}"*/, &tag );
1069                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
1070                                         {
1071                                                 ber_scanf( ber, "m", &cookie );
1072
1073                                                 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
1074                                                         BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
1075
1076                                                 if ( !BER_BVISNULL( &cookie ) ) {
1077                                                         ch_free( syncCookie.octet_str.bv_val );
1078                                                         ber_dupbv( &syncCookie.octet_str, &cookie );
1079                                                 }
1080                                                 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
1081                                                 {
1082                                                         slap_parse_sync_cookie( &syncCookie, NULL );
1083                                                         op->o_controls[slap_cids.sc_LDAPsync] = &syncCookie;
1084                                                 }
1085                                         }
1086                                         /* Defaults to TRUE */
1087                                         if ( ber_peek_tag( ber, &len ) ==
1088                                                 LDAP_TAG_REFRESHDONE )
1089                                         {
1090                                                 ber_scanf( ber, "b", &si->si_refreshDone );
1091                                         } else
1092                                         {
1093                                                 si->si_refreshDone = 1;
1094                                         }
1095                                         ber_scanf( ber, /*"{"*/ "}" );
1096                                         break;
1097                                 case LDAP_TAG_SYNC_ID_SET:
1098                                         Debug( LDAP_DEBUG_SYNC,
1099                                                 "do_syncrep2: %s %s - %s\n",
1100                                                 si->si_ridtxt,
1101                                                 "LDAP_RES_INTERMEDIATE",
1102                                                 "SYNC_ID_SET" );
1103                                         ber_scanf( ber, "t{" /*"}"*/, &tag );
1104                                         if ( ber_peek_tag( ber, &len ) ==
1105                                                 LDAP_TAG_SYNC_COOKIE )
1106                                         {
1107                                                 ber_scanf( ber, "m", &cookie );
1108
1109                                                 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
1110                                                         BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
1111
1112                                                 if ( !BER_BVISNULL( &cookie ) ) {
1113                                                         ch_free( syncCookie.octet_str.bv_val );
1114                                                         ber_dupbv( &syncCookie.octet_str, &cookie );
1115                                                 }
1116                                                 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
1117                                                 {
1118                                                         slap_parse_sync_cookie( &syncCookie, NULL );
1119                                                         op->o_controls[slap_cids.sc_LDAPsync] = &syncCookie;
1120                                                         compare_csns( &syncCookie_req, &syncCookie, &m );
1121                                                 }
1122                                         }
1123                                         if ( ber_peek_tag( ber, &len ) ==
1124                                                 LDAP_TAG_REFRESHDELETES )
1125                                         {
1126                                                 ber_scanf( ber, "b", &refreshDeletes );
1127                                         }
1128                                         ber_scanf( ber, "[W]", &syncUUIDs );
1129                                         ber_scanf( ber, /*"{"*/ "}" );
1130                                         if ( refreshDeletes ) {
1131                                                 syncrepl_del_nonpresent( op, si, syncUUIDs,
1132                                                         &syncCookie, m );
1133                                                 ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx );
1134                                         } else {
1135                                                 int i;
1136                                                 for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) {
1137                                                         (void)avl_presentlist_insert( si, &syncUUIDs[i] );
1138                                                         slap_sl_free( syncUUIDs[i].bv_val, op->o_tmpmemctx );
1139                                                 }
1140                                                 slap_sl_free( syncUUIDs, op->o_tmpmemctx );
1141                                         }
1142                                         slap_sync_cookie_free( &syncCookie, 0 );
1143                                         break;
1144                                 default:
1145                                         Debug( LDAP_DEBUG_ANY,
1146                                                 "do_syncrep2: %s unknown syncinfo tag (%ld)\n",
1147                                                 si->si_ridtxt, (long) si_tag, 0 );
1148                                         ldap_memfree( retoid );
1149                                         ber_bvfree( retdata );
1150                                         continue;
1151                                 }
1152
1153                                 if ( SLAP_MULTIMASTER( op->o_bd ) && check_syncprov( op, si )) {
1154                                         slap_sync_cookie_free( &syncCookie_req, 0 );
1155                                         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
1156                                 }
1157                                 if ( !syncCookie.ctxcsn ) {
1158                                         match = 1;
1159                                 } else if ( !syncCookie_req.ctxcsn ) {
1160                                         match = -1;
1161                                         m = 0;
1162                                 } else {
1163                                         match = compare_csns( &syncCookie_req, &syncCookie, &m );
1164                                 }
1165
1166                                 if ( match < 0 ) {
1167                                         if ( si->si_refreshPresent == 1 &&
1168                                                 si_tag != LDAP_TAG_SYNC_NEW_COOKIE &&
1169                                                 syncCookie_req.numcsns == syncCookie.numcsns ) {
1170                                                 syncrepl_del_nonpresent( op, si, NULL,
1171                                                         &syncCookie, m );
1172                                         }
1173
1174                                         if ( syncCookie.ctxcsn )
1175                                         {
1176                                                 rc = syncrepl_updateCookie( si, op, psub, &syncCookie);
1177                                         }
1178                                 }
1179
1180                                 ldap_memfree( retoid );
1181                                 ber_bvfree( retdata );
1182                                 break;
1183
1184                         } else {
1185                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1186                                         "unknown intermediate response (%d)\n",
1187                                         si->si_ridtxt, rc, 0 );
1188                                 ldap_memfree( retoid );
1189                                 ber_bvfree( retdata );
1190                                 break;
1191                         }
1192                         break;
1193
1194                 default:
1195                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1196                                 "unknown message (0x%02lx)\n",
1197                                 si->si_ridtxt,
1198                                 (unsigned long)ldap_msgtype( msg ), 0 );
1199                         break;
1200
1201                 }
1202                 if ( !BER_BVISNULL( &syncCookie.octet_str ) ) {
1203                         slap_sync_cookie_free( &syncCookie_req, 0 );
1204                         slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
1205                         slap_sync_cookie_free( &syncCookie, 0 );
1206                 }
1207                 ldap_msgfree( msg );
1208                 msg = NULL;
1209                 if ( ldap_pvt_thread_pool_pausing( &connection_pool )) {
1210                         slap_sync_cookie_free( &syncCookie, 0 );
1211                         slap_sync_cookie_free( &syncCookie_req, 0 );
1212                         return SYNC_PAUSED;
1213                 }
1214         }
1215
1216         if ( rc == -1 ) {
1217                 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
1218                 err = rc;
1219         }
1220
1221 done:
1222         if ( err != LDAP_SUCCESS ) {
1223                 Debug( LDAP_DEBUG_ANY,
1224                         "do_syncrep2: %s (%d) %s\n",
1225                         si->si_ridtxt, err, ldap_err2string( err ) );
1226         }
1227
1228         slap_sync_cookie_free( &syncCookie, 0 );
1229         slap_sync_cookie_free( &syncCookie_req, 0 );
1230
1231         if ( msg ) ldap_msgfree( msg );
1232
1233         if ( rc && rc != LDAP_SYNC_REFRESH_REQUIRED && si->si_ld ) {
1234                 if ( si->si_conn ) {
1235                         connection_client_stop( si->si_conn );
1236                         si->si_conn = NULL;
1237                 }
1238                 ldap_unbind_ext( si->si_ld, NULL, NULL );
1239                 si->si_ld = NULL;
1240         }
1241
1242         return rc;
1243 }
1244
1245 static void *
1246 do_syncrepl(
1247         void    *ctx,
1248         void    *arg )
1249 {
1250         struct re_s* rtask = arg;
1251         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
1252         Connection conn = {0};
1253         OperationBuffer opbuf;
1254         Operation *op;
1255         int rc = LDAP_SUCCESS;
1256         int dostop = 0;
1257         ber_socket_t s;
1258         int i, defer = 1, fail = 0;
1259         Backend *be;
1260
1261         if ( si == NULL )
1262                 return NULL;
1263
1264         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl %s\n", si->si_ridtxt, 0, 0 );
1265
1266         /* Don't get stuck here while a pause is initiated */
1267         while ( ldap_pvt_thread_mutex_trylock( &si->si_mutex )) {
1268                 if ( slapd_shutdown )
1269                         return NULL;
1270                 if ( !ldap_pvt_thread_pool_pausecheck( &connection_pool ))
1271                         ldap_pvt_thread_yield();
1272         }
1273
1274         switch( abs( si->si_type ) ) {
1275         case LDAP_SYNC_REFRESH_ONLY:
1276         case LDAP_SYNC_REFRESH_AND_PERSIST:
1277                 break;
1278         default:
1279                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1280                 return NULL;
1281         }
1282
1283         if ( slapd_shutdown ) {
1284                 if ( si->si_ld ) {
1285                         if ( si->si_conn ) {
1286                                 connection_client_stop( si->si_conn );
1287                                 si->si_conn = NULL;
1288                         }
1289                         ldap_unbind_ext( si->si_ld, NULL, NULL );
1290                         si->si_ld = NULL;
1291                 }
1292                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1293                 return NULL;
1294         }
1295
1296         connection_fake_init( &conn, &opbuf, ctx );
1297         op = &opbuf.ob_op;
1298
1299         /* use global malloc for now */
1300         op->o_tmpmemctx = NULL;
1301         op->o_tmpmfuncs = &ch_mfuncs;
1302
1303         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1304         be = si->si_be;
1305
1306         /* Coordinate contextCSN updates with any syncprov overlays
1307          * in use. This may be complicated by the use of the glue
1308          * overlay.
1309          *
1310          * Typically there is a single syncprov mastering the entire
1311          * glued tree. In that case, our contextCSN updates should
1312          * go to the master DB. But if there is no syncprov on the
1313          * master DB, then nothing special is needed here.
1314          *
1315          * Alternatively, there may be individual syncprov overlays
1316          * on each glued branch. In that case, each syncprov only
1317          * knows about changes within its own branch. And so our
1318          * contextCSN updates should only go to the local DB.
1319          */
1320         if ( !si->si_wbe ) {
1321                 if ( SLAP_GLUE_SUBORDINATE( be ) && !overlay_is_inst( be, "syncprov" )) {
1322                         BackendDB * top_be = select_backend( &be->be_nsuffix[0], 1 );
1323                         if ( overlay_is_inst( top_be, "syncprov" ))
1324                                 si->si_wbe = select_backend( &be->be_nsuffix[0], 1 );
1325                         else
1326                                 si->si_wbe = be;
1327                 } else {
1328                         si->si_wbe = be;
1329                 }
1330         }
1331         if ( !si->si_schemachecking )
1332                 op->o_no_schema_check = 1;
1333
1334         /* Establish session, do search */
1335         if ( !si->si_ld ) {
1336                 si->si_refreshDelete = 0;
1337                 si->si_refreshPresent = 0;
1338
1339                 /* use main DB when retrieving contextCSN */
1340                 op->o_bd = si->si_wbe;
1341                 op->o_dn = op->o_bd->be_rootdn;
1342                 op->o_ndn = op->o_bd->be_rootndn;
1343                 rc = do_syncrep1( op, si );
1344         }
1345
1346 reload:
1347         /* Process results */
1348         if ( rc == LDAP_SUCCESS ) {
1349                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1350
1351                 /* use current DB */
1352                 op->o_bd = be;
1353                 op->o_dn = op->o_bd->be_rootdn;
1354                 op->o_ndn = op->o_bd->be_rootndn;
1355                 rc = do_syncrep2( op, si );
1356                 if ( rc == LDAP_SYNC_REFRESH_REQUIRED ) {
1357                         rc = ldap_sync_search( si, op->o_tmpmemctx );
1358                         goto reload;
1359                 }
1360
1361                 /* We got deleted while running on cn=config */
1362                 if ( !si->si_ctype ) {
1363                         if ( si->si_conn )
1364                                 dostop = 1;
1365                         rc = -1;
1366                 }
1367
1368                 if ( rc != SYNC_PAUSED ) {
1369                         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
1370                                 /* If we succeeded, enable the connection for further listening.
1371                                  * If we failed, tear down the connection and reschedule.
1372                                  */
1373                                 if ( rc == LDAP_SUCCESS ) {
1374                                         if ( si->si_conn ) {
1375                                                 connection_client_enable( si->si_conn );
1376                                         } else {
1377                                                 si->si_conn = connection_client_setup( s, do_syncrepl, arg );
1378                                         }
1379                                 } else if ( si->si_conn ) {
1380                                         dostop = 1;
1381                                 }
1382                         } else {
1383                                 if ( rc == -2 ) rc = 0;
1384                         }
1385                 }
1386         }
1387
1388         /* At this point, we have 5 cases:
1389          * 1) for any hard failure, give up and remove this task
1390          * 2) for ServerDown, reschedule this task to run later
1391          * 3) for threadpool pause, reschedule to run immediately
1392          * 4) for Refresh and Success, reschedule to run
1393          * 5) for Persist and Success, reschedule to defer
1394          */
1395         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
1396
1397         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask ) ) {
1398                 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
1399         }
1400
1401         if ( dostop ) {
1402                 connection_client_stop( si->si_conn );
1403                 si->si_conn = NULL;
1404         }
1405
1406         if ( rc == SYNC_PAUSED ) {
1407                 rtask->interval.tv_sec = 0;
1408                 ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1409                 rtask->interval.tv_sec = si->si_interval;
1410                 rc = 0;
1411         } else if ( rc == LDAP_SUCCESS ) {
1412                 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
1413                         defer = 0;
1414                 }
1415                 rtask->interval.tv_sec = si->si_interval;
1416                 ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
1417                 if ( si->si_retrynum ) {
1418                         for ( i = 0; si->si_retrynum_init[i] != RETRYNUM_TAIL; i++ ) {
1419                                 si->si_retrynum[i] = si->si_retrynum_init[i];
1420                         }
1421                         si->si_retrynum[i] = RETRYNUM_TAIL;
1422                 }
1423         } else {
1424                 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
1425                         if ( si->si_retrynum[i] == RETRYNUM_FOREVER || si->si_retrynum[i] == RETRYNUM_TAIL )
1426                                 break;
1427                 }
1428
1429                 if ( !si->si_ctype
1430                         || !si->si_retrynum || si->si_retrynum[i] == RETRYNUM_TAIL ) {
1431                         if ( si->si_re ) {
1432                                 ldap_pvt_runqueue_remove( &slapd_rq, rtask );
1433                                 si->si_re = NULL;
1434                         }
1435                         fail = RETRYNUM_TAIL;
1436                 } else if ( RETRYNUM_VALID( si->si_retrynum[i] ) ) {
1437                         if ( si->si_retrynum[i] > 0 )
1438                                 si->si_retrynum[i]--;
1439                         fail = si->si_retrynum[i];
1440                         rtask->interval.tv_sec = si->si_retryinterval[i];
1441                         ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1442                         slap_wake_listener();
1443                 }
1444         }
1445
1446         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1447         ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1448
1449         if ( rc ) {
1450                 if ( fail == RETRYNUM_TAIL ) {
1451                         Debug( LDAP_DEBUG_ANY,
1452                                 "do_syncrepl: %s rc %d quitting\n",
1453                                 si->si_ridtxt, rc, 0 );
1454                 } else if ( fail > 0 ) {
1455                         Debug( LDAP_DEBUG_ANY,
1456                                 "do_syncrepl: %s rc %d retrying (%d retries left)\n",
1457                                 si->si_ridtxt, rc, fail );
1458                 } else {
1459                         Debug( LDAP_DEBUG_ANY,
1460                                 "do_syncrepl: %s rc %d retrying\n",
1461                                 si->si_ridtxt, rc, 0 );
1462                 }
1463         }
1464
1465         /* Do final delete cleanup */
1466         if ( !si->si_ctype ) {
1467                 cookie_state *cs = si->si_cookieState;
1468                 syncinfo_free( si, ( !be->be_syncinfo ||
1469                         be->be_syncinfo->si_cookieState != cs ));
1470         }
1471         return NULL;
1472 }
1473
1474 static slap_verbmasks modops[] = {
1475         { BER_BVC("add"), LDAP_REQ_ADD },
1476         { BER_BVC("delete"), LDAP_REQ_DELETE },
1477         { BER_BVC("modify"), LDAP_REQ_MODIFY },
1478         { BER_BVC("modrdn"), LDAP_REQ_MODRDN},
1479         { BER_BVNULL, 0 }
1480 };
1481
1482 static Modifications *
1483 syncrepl_accesslog_mods(
1484         syncinfo_t *si,
1485         struct berval *vals
1486 )
1487 {
1488         char *colon;
1489         const char *text;
1490         AttributeDescription *ad;
1491         struct berval bv, bv2;
1492         short op;
1493         Modifications *mod = NULL, *modlist = NULL, **modtail;
1494         int i;
1495
1496         modtail = &modlist;
1497
1498         for (i=0; !BER_BVISNULL( &vals[i] ); i++) {
1499                 ad = NULL;
1500                 bv = vals[i];
1501
1502                 colon = ber_bvchr( &bv, ':' );
1503                 if ( !colon ) {
1504                         /* Invalid */
1505                         continue;
1506                 }
1507
1508                 bv.bv_len = colon - bv.bv_val;
1509                 if ( slap_bv2ad( &bv, &ad, &text ) ) {
1510                         /* Invalid */
1511                         continue;
1512                 }
1513
1514                 /* Ignore dynamically generated attrs */
1515                 if ( ad->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1516                         continue;
1517                 }
1518
1519                 /* Ignore excluded attrs */
1520                 if ( ldap_charray_inlist( si->si_exattrs,
1521                         ad->ad_type->sat_cname.bv_val ) )
1522                 {
1523                         continue;
1524                 }
1525
1526                 switch(colon[1]) {
1527                 case '+':       op = LDAP_MOD_ADD; break;
1528                 case '-':       op = LDAP_MOD_DELETE; break;
1529                 case '=':       op = LDAP_MOD_REPLACE; break;
1530                 case '#':       op = LDAP_MOD_INCREMENT; break;
1531                 default:        continue;
1532                 }
1533
1534                 if ( !mod || ad != mod->sml_desc || op != mod->sml_op ) {
1535                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1536                         mod->sml_flags = 0;
1537                         mod->sml_op = op;
1538                         mod->sml_next = NULL;
1539                         mod->sml_desc = ad;
1540                         mod->sml_type = ad->ad_cname;
1541                         mod->sml_values = NULL;
1542                         mod->sml_nvalues = NULL;
1543                         mod->sml_numvals = 0;
1544
1545                         *modtail = mod;
1546                         modtail = &mod->sml_next;
1547                 }
1548                 if ( colon[2] == ' ' ) {
1549                         bv.bv_val = colon + 3;
1550                         bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val );
1551                         ber_dupbv( &bv2, &bv );
1552                         ber_bvarray_add( &mod->sml_values, &bv2 );
1553                         mod->sml_numvals++;
1554                 }
1555         }
1556         return modlist;
1557 }
1558
1559 static Modifications *
1560 syncrepl_changelog_mods(
1561         syncinfo_t *si,
1562         struct berval *vals
1563 )
1564 {
1565         return NULL;    /* FIXME */
1566 }
1567
1568 static int
1569 syncrepl_message_to_op(
1570         syncinfo_t      *si,
1571         Operation       *op,
1572         LDAPMessage     *msg
1573 )
1574 {
1575         BerElement      *ber = NULL;
1576         Modifications   *modlist = NULL;
1577         logschema *ls;
1578         SlapReply rs = { REP_RESULT };
1579         slap_callback cb = { NULL, null_callback, NULL, NULL };
1580
1581         const char      *text;
1582         char txtbuf[SLAP_TEXT_BUFLEN];
1583         size_t textlen = sizeof txtbuf;
1584
1585         struct berval   bdn, dn = BER_BVNULL, ndn;
1586         struct berval   bv, *bvals = NULL;
1587         struct berval   rdn = BER_BVNULL, sup = BER_BVNULL,
1588                 prdn = BER_BVNULL, nrdn = BER_BVNULL,
1589                 psup = BER_BVNULL, nsup = BER_BVNULL;
1590         int             rc, deleteOldRdn = 0, freeReqDn = 0;
1591         int             do_graduate = 0;
1592
1593         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1594                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1595                         "Message type should be entry (%d)",
1596                         si->si_ridtxt, ldap_msgtype( msg ), 0 );
1597                 return -1;
1598         }
1599
1600         if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
1601                 ls = &accesslog_sc;
1602         else
1603                 ls = &changelog_sc;
1604
1605         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1606
1607         if ( rc != LDAP_SUCCESS ) {
1608                 Debug( LDAP_DEBUG_ANY,
1609                         "syncrepl_message_to_op: %s dn get failed (%d)",
1610                         si->si_ridtxt, rc, 0 );
1611                 return rc;
1612         }
1613
1614         op->o_tag = LBER_DEFAULT;
1615         op->o_bd = si->si_wbe;
1616
1617         while (( rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, &bvals ) )
1618                 == LDAP_SUCCESS ) {
1619                 if ( bv.bv_val == NULL )
1620                         break;
1621
1622                 if ( !ber_bvstrcasecmp( &bv, &ls->ls_dn ) ) {
1623                         bdn = bvals[0];
1624                         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1625                         ber_dupbv( &op->o_req_dn, &dn );
1626                         ber_dupbv( &op->o_req_ndn, &ndn );
1627                         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1628                         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1629                         freeReqDn = 1;
1630                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_req ) ) {
1631                         int i = verb_to_mask( bvals[0].bv_val, modops );
1632                         if ( i < 0 ) {
1633                                 Debug( LDAP_DEBUG_ANY,
1634                                         "syncrepl_message_to_op: %s unknown op %s",
1635                                         si->si_ridtxt, bvals[0].bv_val, 0 );
1636                                 ch_free( bvals );
1637                                 rc = -1;
1638                                 goto done;
1639                         }
1640                         op->o_tag = modops[i].mask;
1641                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_mod ) ) {
1642                         /* Parse attribute into modlist */
1643                         if ( si->si_syncdata == SYNCDATA_ACCESSLOG ) {
1644                                 modlist = syncrepl_accesslog_mods( si, bvals );
1645                         } else {
1646                                 modlist = syncrepl_changelog_mods( si, bvals );
1647                         }
1648                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newRdn ) ) {
1649                         rdn = bvals[0];
1650                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_delRdn ) ) {
1651                         if ( !ber_bvstrcasecmp( &slap_true_bv, bvals ) ) {
1652                                 deleteOldRdn = 1;
1653                         }
1654                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup ) ) {
1655                         sup = bvals[0];
1656                 } else if ( !ber_bvstrcasecmp( &bv,
1657                         &slap_schema.si_ad_entryCSN->ad_cname ) )
1658                 {
1659                         slap_queue_csn( op, bvals );
1660                         do_graduate = 1;
1661                 }
1662                 ch_free( bvals );
1663         }
1664
1665         /* If we didn't get a mod type or a target DN, bail out */
1666         if ( op->o_tag == LBER_DEFAULT || BER_BVISNULL( &dn ) ) {
1667                 rc = -1;
1668                 goto done;
1669         }
1670
1671         op->o_callback = &cb;
1672         slap_op_time( &op->o_time, &op->o_tincr );
1673
1674         switch( op->o_tag ) {
1675         case LDAP_REQ_ADD:
1676         case LDAP_REQ_MODIFY:
1677                 /* If we didn't get required data, bail */
1678                 if ( !modlist ) goto done;
1679
1680                 rc = slap_mods_check( op, modlist, &text, txtbuf, textlen, NULL );
1681
1682                 if ( rc != LDAP_SUCCESS ) {
1683                         Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1684                                 "mods check (%s)\n",
1685                                 si->si_ridtxt, text, 0 );
1686                         goto done;
1687                 }
1688
1689                 if ( op->o_tag == LDAP_REQ_ADD ) {
1690                         Entry *e = entry_alloc();
1691                         op->ora_e = e;
1692                         op->ora_e->e_name = op->o_req_dn;
1693                         op->ora_e->e_nname = op->o_req_ndn;
1694                         freeReqDn = 0;
1695                         rc = slap_mods2entry( modlist, &op->ora_e, 1, 0, &text, txtbuf, textlen);
1696                         if( rc != LDAP_SUCCESS ) {
1697                                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1698                                 "mods2entry (%s)\n",
1699                                         si->si_ridtxt, text, 0 );
1700                         } else {
1701                                 rc = op->o_bd->be_add( op, &rs );
1702                                 Debug( LDAP_DEBUG_SYNC,
1703                                         "syncrepl_message_to_op: %s be_add %s (%d)\n",
1704                                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1705                                 do_graduate = 0;
1706                         }
1707                         if ( e == op->ora_e )
1708                                 be_entry_release_w( op, op->ora_e );
1709                 } else {
1710                         op->orm_modlist = modlist;
1711                         op->o_bd = si->si_wbe;
1712                         rc = op->o_bd->be_modify( op, &rs );
1713                         modlist = op->orm_modlist;
1714                         Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1715                                 "syncrepl_message_to_op: %s be_modify %s (%d)\n",
1716                                 si->si_ridtxt, op->o_req_dn.bv_val, rc );
1717                         op->o_bd = si->si_be;
1718                         do_graduate = 0;
1719                 }
1720                 break;
1721         case LDAP_REQ_MODRDN:
1722                 if ( BER_BVISNULL( &rdn ) ) goto done;
1723
1724                 if ( rdnPretty( NULL, &rdn, &prdn, NULL ) ) {
1725                         goto done;
1726                 }
1727                 if ( rdnNormalize( 0, NULL, NULL, &rdn, &nrdn, NULL ) ) {
1728                         goto done;
1729                 }
1730                 if ( !BER_BVISNULL( &sup ) ) {
1731                         if ( dnPrettyNormal( NULL, &sup, &psup, &nsup, NULL ) ) {
1732                                 goto done;
1733                         }
1734                         op->orr_newSup = &psup;
1735                         op->orr_nnewSup = &nsup;
1736                 } else {
1737                         op->orr_newSup = NULL;
1738                         op->orr_nnewSup = NULL;
1739                 }
1740                 op->orr_newrdn = prdn;
1741                 op->orr_nnewrdn = nrdn;
1742                 op->orr_deleteoldrdn = deleteOldRdn;
1743                 op->orr_modlist = NULL;
1744                 if ( slap_modrdn2mods( op, &rs ) ) {
1745                         goto done;
1746                 }
1747
1748                 /* Append modlist for operational attrs */
1749                 {
1750                         Modifications *m;
1751
1752                         for ( m = op->orr_modlist; m->sml_next; m = m->sml_next )
1753                                 ;
1754                         m->sml_next = modlist;
1755                         modlist = NULL;
1756                 }
1757                 rc = op->o_bd->be_modrdn( op, &rs );
1758                 slap_mods_free( op->orr_modlist, 1 );
1759                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1760                         "syncrepl_message_to_op: %s be_modrdn %s (%d)\n",
1761                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1762                 do_graduate = 0;
1763                 break;
1764         case LDAP_REQ_DELETE:
1765                 rc = op->o_bd->be_delete( op, &rs );
1766                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1767                         "syncrepl_message_to_op: %s be_delete %s (%d)\n",
1768                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
1769                 do_graduate = 0;
1770                 break;
1771         }
1772 done:
1773         if ( do_graduate )
1774                 slap_graduate_commit_csn( op );
1775         op->o_bd = si->si_be;
1776         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
1777         BER_BVZERO( &op->o_csn );
1778         if ( modlist ) {
1779                 slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
1780         }
1781         if ( !BER_BVISNULL( &rdn ) ) {
1782                 if ( !BER_BVISNULL( &nsup ) ) {
1783                         ch_free( nsup.bv_val );
1784                 }
1785                 if ( !BER_BVISNULL( &psup ) ) {
1786                         ch_free( psup.bv_val );
1787                 }
1788                 if ( !BER_BVISNULL( &nrdn ) ) {
1789                         ch_free( nrdn.bv_val );
1790                 }
1791                 if ( !BER_BVISNULL( &prdn ) ) {
1792                         ch_free( prdn.bv_val );
1793                 }
1794         }
1795         if ( freeReqDn ) {
1796                 ch_free( op->o_req_ndn.bv_val );
1797                 ch_free( op->o_req_dn.bv_val );
1798         }
1799         ber_free( ber, 0 );
1800         return rc;
1801 }
1802
1803 static int
1804 syncrepl_message_to_entry(
1805         syncinfo_t      *si,
1806         Operation       *op,
1807         LDAPMessage     *msg,
1808         Modifications   **modlist,
1809         Entry                   **entry,
1810         int             syncstate
1811 )
1812 {
1813         Entry           *e = NULL;
1814         BerElement      *ber = NULL;
1815         Modifications   tmp;
1816         Modifications   *mod;
1817         Modifications   **modtail = modlist;
1818
1819         const char      *text;
1820         char txtbuf[SLAP_TEXT_BUFLEN];
1821         size_t textlen = sizeof txtbuf;
1822
1823         struct berval   bdn = BER_BVNULL, dn, ndn;
1824         int             rc, is_ctx;
1825
1826         *modlist = NULL;
1827
1828         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1829                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s "
1830                         "Message type should be entry (%d)",
1831                         si->si_ridtxt, ldap_msgtype( msg ), 0 );
1832                 return -1;
1833         }
1834
1835         op->o_tag = LDAP_REQ_ADD;
1836
1837         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1838         if ( rc != LDAP_SUCCESS ) {
1839                 Debug( LDAP_DEBUG_ANY,
1840                         "syncrepl_message_to_entry: %s dn get failed (%d)",
1841                         si->si_ridtxt, rc, 0 );
1842                 return rc;
1843         }
1844
1845         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1846                 /* NOTE: this could be done even before decoding the DN,
1847                  * although encoding errors wouldn't be detected */
1848                 rc = LDAP_SUCCESS;
1849                 goto done;
1850         }
1851
1852         if ( entry == NULL ) {
1853                 return -1;
1854         }
1855
1856         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1857         ber_dupbv( &op->o_req_dn, &dn );
1858         ber_dupbv( &op->o_req_ndn, &ndn );
1859         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1860         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1861
1862         is_ctx = dn_match( &op->o_req_ndn, &op->o_bd->be_nsuffix[0] );
1863
1864         e = entry_alloc();
1865         e->e_name = op->o_req_dn;
1866         e->e_nname = op->o_req_ndn;
1867
1868         while ( ber_remaining( ber ) ) {
1869                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1870                         LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) )
1871                 {
1872                         break;
1873                 }
1874
1875                 /* Drop all updates to the contextCSN of the context entry
1876                  * (ITS#4622, etc.)
1877                  */
1878                 if ( is_ctx && !strcasecmp( tmp.sml_type.bv_val,
1879                         slap_schema.si_ad_contextCSN->ad_cname.bv_val )) {
1880                         ber_bvarray_free( tmp.sml_values );
1881                         continue;
1882                 }
1883
1884                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ) );
1885
1886                 mod->sml_op = LDAP_MOD_REPLACE;
1887                 mod->sml_flags = 0;
1888                 mod->sml_next = NULL;
1889                 mod->sml_desc = NULL;
1890                 mod->sml_type = tmp.sml_type;
1891                 mod->sml_values = tmp.sml_values;
1892                 mod->sml_nvalues = NULL;
1893                 mod->sml_numvals = 0;   /* slap_mods_check will set this */
1894
1895                 *modtail = mod;
1896                 modtail = &mod->sml_next;
1897         }
1898
1899         if ( *modlist == NULL ) {
1900                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s no attributes\n",
1901                         si->si_ridtxt, 0, 0 );
1902                 rc = -1;
1903                 goto done;
1904         }
1905
1906         rc = slap_mods_check( op, *modlist, &text, txtbuf, textlen, NULL );
1907
1908         if ( rc != LDAP_SUCCESS ) {
1909                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods check (%s)\n",
1910                         si->si_ridtxt, text, 0 );
1911                 goto done;
1912         }
1913
1914         /* Strip out dynamically generated attrs */
1915         for ( modtail = modlist; *modtail ; ) {
1916                 mod = *modtail;
1917                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1918                         *modtail = mod->sml_next;
1919                         slap_mod_free( &mod->sml_mod, 0 );
1920                         ch_free( mod );
1921                 } else {
1922                         modtail = &mod->sml_next;
1923                 }
1924         }
1925
1926         /* Strip out attrs in exattrs list */
1927         for ( modtail = modlist; *modtail ; ) {
1928                 mod = *modtail;
1929                 if ( ldap_charray_inlist( si->si_exattrs,
1930                         mod->sml_desc->ad_type->sat_cname.bv_val ) )
1931                 {
1932                         *modtail = mod->sml_next;
1933                         slap_mod_free( &mod->sml_mod, 0 );
1934                         ch_free( mod );
1935                 } else {
1936                         modtail = &mod->sml_next;
1937                 }
1938         }
1939
1940         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1941         if( rc != LDAP_SUCCESS ) {
1942                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods2entry (%s)\n",
1943                         si->si_ridtxt, text, 0 );
1944         }
1945
1946 done:
1947         ber_free( ber, 0 );
1948         if ( rc != LDAP_SUCCESS ) {
1949                 if ( e ) {
1950                         entry_free( e );
1951                         e = NULL;
1952                 }
1953         }
1954         if ( entry )
1955                 *entry = e;
1956
1957         return rc;
1958 }
1959
1960 static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
1961
1962 /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
1963  * entry if a previous refresh was interrupted before sending us a new
1964  * context state. We try to compare the new entry to the existing entry
1965  * and ignore the new entry if they are the same.
1966  *
1967  * Also, we may get an update where the entryDN has changed, due to
1968  * a ModDn on the provider. We detect this as well, so we can issue
1969  * the corresponding operation locally.
1970  *
1971  * In the case of a modify, we get a list of all the attributes
1972  * in the original entry. Rather than deleting the entry and re-adding it,
1973  * we issue a Modify request that deletes all the attributes and adds all
1974  * the new ones. This avoids the issue of trying to delete/add a non-leaf
1975  * entry.
1976  *
1977  * We otherwise distinguish ModDN from Modify; in the case of
1978  * a ModDN we just use the CSN, modifyTimestamp and modifiersName
1979  * operational attributes from the entry, and do a regular ModDN.
1980  */
1981 typedef struct dninfo {
1982         Entry *new_entry;
1983         struct berval dn;
1984         struct berval ndn;
1985         struct berval nnewSup;
1986         int renamed;    /* Was an existing entry renamed? */
1987         int delOldRDN;  /* Was old RDN deleted? */
1988         Modifications **modlist;        /* the modlist we received */
1989         Modifications *mods;    /* the modlist we compared */
1990         Attribute *oldNattr;    /* old naming attr */
1991         AttributeDescription *oldDesc;  /* for renames */
1992         AttributeDescription *newDesc;  /* for renames */
1993 } dninfo;
1994
1995 /* return 1 if inserted, 0 otherwise */
1996 static int
1997 avl_presentlist_insert(
1998         syncinfo_t* si,
1999         struct berval *syncUUID )
2000 {
2001         struct berval *syncuuid_bv = ch_malloc( sizeof( struct berval ) + syncUUID->bv_len + 1 );
2002
2003         syncuuid_bv->bv_len = syncUUID->bv_len;
2004         syncuuid_bv->bv_val = (char *)&syncuuid_bv[1];
2005         AC_MEMCPY( syncuuid_bv->bv_val, syncUUID->bv_val, syncUUID->bv_len );
2006         syncuuid_bv->bv_val[ syncuuid_bv->bv_len ] = '\0';
2007
2008         if ( avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
2009                 syncuuid_cmp, avl_dup_error ) )
2010         {
2011                 ch_free( syncuuid_bv );
2012                 return 0;
2013         }
2014
2015         return 1;
2016 }
2017
2018 static int
2019 syncrepl_entry(
2020         syncinfo_t* si,
2021         Operation *op,
2022         Entry* entry,
2023         Modifications** modlist,
2024         int syncstate,
2025         struct berval* syncUUID,
2026         struct berval* syncCSN )
2027 {
2028         Backend *be = op->o_bd;
2029         slap_callback   cb = { NULL, NULL, NULL, NULL };
2030         int syncuuid_inserted = 0;
2031         struct berval   syncUUID_strrep = BER_BVNULL;
2032
2033         SlapReply       rs_search = {REP_RESULT};
2034         SlapReply       rs_delete = {REP_RESULT};
2035         SlapReply       rs_add = {REP_RESULT};
2036         SlapReply       rs_modify = {REP_RESULT};
2037         Filter f = {0};
2038         AttributeAssertion ava = ATTRIBUTEASSERTION_INIT;
2039         int rc = LDAP_SUCCESS;
2040
2041         struct berval pdn = BER_BVNULL;
2042         dninfo dni = {0};
2043         int     retry = 1;
2044         int     freecsn = 1;
2045
2046         Debug( LDAP_DEBUG_SYNC,
2047                 "syncrepl_entry: %s LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_%s)\n",
2048                 si->si_ridtxt, syncrepl_state2str( syncstate ), 0 );
2049
2050         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD ) ) {
2051                 if ( !si->si_refreshPresent && !si->si_refreshDone ) {
2052                         syncuuid_inserted = avl_presentlist_insert( si, syncUUID );
2053                 }
2054         }
2055
2056         if ( syncstate == LDAP_SYNC_PRESENT ) {
2057                 return 0;
2058         } else if ( syncstate != LDAP_SYNC_DELETE ) {
2059                 if ( entry == NULL ) {
2060                         return 0;
2061                 }
2062         }
2063
2064         (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
2065         if ( syncstate != LDAP_SYNC_DELETE ) {
2066                 Attribute       *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID );
2067
2068                 if ( a == NULL ) {
2069                         /* add if missing */
2070                         attr_merge_one( entry, slap_schema.si_ad_entryUUID,
2071                                 &syncUUID_strrep, syncUUID );
2072
2073                 } else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) {
2074                         /* replace only if necessary */
2075                         if ( a->a_nvals != a->a_vals ) {
2076                                 ber_memfree( a->a_nvals[0].bv_val );
2077                                 ber_dupbv( &a->a_nvals[0], syncUUID );
2078                         }
2079                         ber_memfree( a->a_vals[0].bv_val );
2080                         ber_dupbv( &a->a_vals[0], &syncUUID_strrep );
2081                 }
2082         }
2083
2084         f.f_choice = LDAP_FILTER_EQUALITY;
2085         f.f_ava = &ava;
2086         ava.aa_desc = slap_schema.si_ad_entryUUID;
2087         ava.aa_value = *syncUUID;
2088
2089         if ( syncuuid_inserted ) {
2090                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s inserted UUID %s\n",
2091                         si->si_ridtxt, syncUUID_strrep.bv_val, 0 );
2092         }
2093         op->ors_filter = &f;
2094
2095         op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID_strrep.bv_len;
2096         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
2097                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
2098         AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) );
2099         AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )],
2100                 syncUUID_strrep.bv_val, syncUUID_strrep.bv_len );
2101         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
2102         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
2103
2104         op->o_tag = LDAP_REQ_SEARCH;
2105         op->ors_scope = LDAP_SCOPE_SUBTREE;
2106         op->ors_deref = LDAP_DEREF_NEVER;
2107
2108         /* get the entry for this UUID */
2109         op->o_req_dn = si->si_base;
2110         op->o_req_ndn = si->si_base;
2111
2112         op->o_time = slap_get_time();
2113         op->ors_tlimit = SLAP_NO_LIMIT;
2114         op->ors_slimit = 1;
2115         op->ors_limit = NULL;
2116
2117         op->ors_attrs = slap_anlist_all_attributes;
2118         op->ors_attrsonly = 0;
2119
2120         /* set callback function */
2121         op->o_callback = &cb;
2122         cb.sc_response = dn_callback;
2123         cb.sc_private = &dni;
2124         dni.new_entry = entry;
2125         dni.modlist = modlist;
2126
2127         rc = be->be_search( op, &rs_search );
2128         Debug( LDAP_DEBUG_SYNC,
2129                         "syncrepl_entry: %s be_search (%d)\n",
2130                         si->si_ridtxt, rc, 0 );
2131
2132         if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
2133                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2134         }
2135
2136         cb.sc_response = null_callback;
2137         cb.sc_private = si;
2138
2139         if ( entry && !BER_BVISNULL( &entry->e_name ) ) {
2140                 Debug( LDAP_DEBUG_SYNC,
2141                                 "syncrepl_entry: %s %s\n",
2142                                 si->si_ridtxt, entry->e_name.bv_val, 0 );
2143         } else {
2144                 Debug( LDAP_DEBUG_SYNC,
2145                                 "syncrepl_entry: %s %s\n",
2146                                 si->si_ridtxt, dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0 );
2147         }
2148
2149         assert( BER_BVISNULL( &op->o_csn ) );
2150         if ( syncCSN ) {
2151                 slap_queue_csn( op, syncCSN );
2152         }
2153
2154         slap_op_time( &op->o_time, &op->o_tincr );
2155         switch ( syncstate ) {
2156         case LDAP_SYNC_ADD:
2157         case LDAP_SYNC_MODIFY:
2158                 if ( BER_BVISNULL( &op->o_csn ))
2159                 {
2160
2161                         Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN );
2162                         if ( a ) {
2163                                 /* FIXME: op->o_csn is assumed to be
2164                                  * on the thread's slab; this needs
2165                                  * to be cleared ASAP.
2166                                  * What happens if already present?
2167                                  */
2168                                 assert( BER_BVISNULL( &op->o_csn ) );
2169                                 op->o_csn = a->a_vals[0];
2170                                 freecsn = 0;
2171                         }
2172                 }
2173 retry_add:;
2174                 if ( BER_BVISNULL( &dni.dn ) ) {
2175
2176                         op->o_req_dn = entry->e_name;
2177                         op->o_req_ndn = entry->e_nname;
2178                         op->o_tag = LDAP_REQ_ADD;
2179                         op->ora_e = entry;
2180                         op->o_bd = si->si_wbe;
2181
2182                         rc = op->o_bd->be_add( op, &rs_add );
2183                         Debug( LDAP_DEBUG_SYNC,
2184                                         "syncrepl_entry: %s be_add %s (%d)\n",
2185                                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
2186                         switch ( rs_add.sr_err ) {
2187                         case LDAP_SUCCESS:
2188                                 if ( op->ora_e == entry ) {
2189                                         be_entry_release_w( op, entry );
2190                                 }
2191                                 entry = NULL;
2192                                 break;
2193
2194                         case LDAP_REFERRAL:
2195                         /* we assume that LDAP_NO_SUCH_OBJECT is returned
2196                          * only if the suffix entry is not present */
2197                         case LDAP_NO_SUCH_OBJECT:
2198                                 rc = syncrepl_add_glue( op, entry );
2199                                 entry = NULL;
2200                                 break;
2201
2202                         /* if an entry was added via syncrepl_add_glue(),
2203                          * it likely has no entryUUID, so the previous
2204                          * be_search() doesn't find it.  In this case,
2205                          * give syncrepl a chance to modify it. Also
2206                          * allow for entries that were recreated with the
2207                          * same DN but a different entryUUID.
2208                          */
2209                         case LDAP_ALREADY_EXISTS:
2210                                 if ( retry ) {
2211                                         Operation       op2 = *op;
2212                                         SlapReply       rs2 = { 0 };
2213                                         slap_callback   cb2 = { 0 };
2214
2215                                         op2.o_bd = be;
2216                                         op2.o_tag = LDAP_REQ_SEARCH;
2217                                         op2.o_req_dn = entry->e_name;
2218                                         op2.o_req_ndn = entry->e_nname;
2219                                         op2.ors_scope = LDAP_SCOPE_BASE;
2220                                         op2.ors_deref = LDAP_DEREF_NEVER;
2221                                         op2.ors_attrs = slap_anlist_all_attributes;
2222                                         op2.ors_attrsonly = 0;
2223                                         op2.ors_limit = NULL;
2224                                         op2.ors_slimit = 1;
2225                                         op2.ors_tlimit = SLAP_NO_LIMIT;
2226
2227                                         f.f_choice = LDAP_FILTER_PRESENT;
2228                                         f.f_desc = slap_schema.si_ad_objectClass;
2229                                         op2.ors_filter = &f;
2230                                         op2.ors_filterstr = generic_filterstr;
2231
2232                                         op2.o_callback = &cb2;
2233                                         cb2.sc_response = dn_callback;
2234                                         cb2.sc_private = &dni;
2235
2236                                         rc = be->be_search( &op2, &rs2 );
2237                                         if ( rc ) goto done;
2238
2239                                         retry = 0;
2240                                         slap_op_time( &op->o_time, &op->o_tincr );
2241                                         goto retry_add;
2242                                 }
2243                                 /* FALLTHRU */
2244
2245                         default:
2246                                 Debug( LDAP_DEBUG_ANY,
2247                                         "syncrepl_entry: %s be_add %s failed (%d)\n",
2248                                         si->si_ridtxt, op->o_req_dn.bv_val, rs_add.sr_err );
2249                                 break;
2250                         }
2251                         syncCSN = NULL;
2252                         op->o_bd = be;
2253                         goto done;
2254                 }
2255                 /* FALLTHRU */
2256                 op->o_req_dn = dni.dn;
2257                 op->o_req_ndn = dni.ndn;
2258                 if ( dni.renamed ) {
2259                         struct berval noldp, newp;
2260                         Modifications *mod, **modtail, **ml, *m2;
2261                         int i, got_replace = 0, just_rename = 0;
2262
2263                         op->o_tag = LDAP_REQ_MODRDN;
2264                         dnRdn( &entry->e_name, &op->orr_newrdn );
2265                         dnRdn( &entry->e_nname, &op->orr_nnewrdn );
2266
2267                         if ( !BER_BVISNULL( &dni.nnewSup )) {
2268                                 dnParent( &entry->e_name, &newp );
2269                                 op->orr_newSup = &newp;
2270                                 op->orr_nnewSup = &dni.nnewSup;
2271                         } else {
2272                                 op->orr_newSup = NULL;
2273                                 op->orr_nnewSup = NULL;
2274                         }
2275                         op->orr_deleteoldrdn = dni.delOldRDN;
2276                         op->orr_modlist = NULL;
2277                         if ( ( rc = slap_modrdn2mods( op, &rs_modify ) ) ) {
2278                                 goto done;
2279                         }
2280
2281                         /* Drop the RDN-related mods from this op, because their
2282                          * equivalents were just setup by slap_modrdn2mods.
2283                          *
2284                          * If delOldRDN is TRUE then we should see a delete modop
2285                          * for oldDesc. We might see a replace instead.
2286                          *  delete with no values: therefore newDesc != oldDesc.
2287                          *   if oldNattr had only one value, then Drop this op.
2288                          *  delete with 1 value: can only be the oldRDN value. Drop op.
2289                          *  delete with N values: Drop oldRDN value, keep remainder.
2290                          *  replace with 1 value: if oldNattr had only one value and
2291                          *     newDesc == oldDesc, Drop this op.
2292                          * Any other cases must be left intact.
2293                          *
2294                          * We should also see an add modop for newDesc. (But not if
2295                          * we got a replace modop due to delOldRDN.) If it has
2296                          * multiple values, we'll have to drop the new RDN value.
2297                          */
2298                         modtail = &op->orr_modlist;
2299                         if ( dni.delOldRDN ) {
2300                                 for ( ml = &dni.mods; *ml; ml = &(*ml)->sml_next ) {
2301                                         if ( (*ml)->sml_desc == dni.oldDesc ) {
2302                                                 mod = *ml;
2303                                                 if ( mod->sml_op == LDAP_MOD_REPLACE &&
2304                                                         dni.oldDesc != dni.newDesc ) {
2305                                                         /* This Replace is due to other Mods.
2306                                                          * Just let it ride.
2307                                                          */
2308                                                         continue;
2309                                                 }
2310                                                 if ( mod->sml_numvals <= 1 &&
2311                                                         dni.oldNattr->a_numvals == 1 &&
2312                                                         ( mod->sml_op == LDAP_MOD_DELETE ||
2313                                                           mod->sml_op == LDAP_MOD_REPLACE )) {
2314                                                         if ( mod->sml_op == LDAP_MOD_REPLACE )
2315                                                                 got_replace = 1;
2316                                                         /* Drop this op */
2317                                                         *ml = mod->sml_next;
2318                                                         mod->sml_next = NULL;
2319                                                         slap_mods_free( mod, 1 );
2320                                                         break;
2321                                                 }
2322                                                 if ( mod->sml_op != LDAP_MOD_DELETE || mod->sml_numvals == 0 )
2323                                                         continue;
2324                                                 for ( m2 = op->orr_modlist; m2; m2=m2->sml_next ) {
2325                                                         if ( m2->sml_desc == dni.oldDesc &&
2326                                                                 m2->sml_op == LDAP_MOD_DELETE ) break;
2327                                                 }
2328                                                 for ( i=0; i<mod->sml_numvals; i++ ) {
2329                                                         if ( bvmatch( &mod->sml_values[i], &m2->sml_values[0] )) {
2330                                                                 mod->sml_numvals--;
2331                                                                 ch_free( mod->sml_values[i].bv_val );
2332                                                                 mod->sml_values[i] = mod->sml_values[mod->sml_numvals];
2333                                                                 BER_BVZERO( &mod->sml_values[mod->sml_numvals] );
2334                                                                 if ( mod->sml_nvalues ) {
2335                                                                         ch_free( mod->sml_nvalues[i].bv_val );
2336                                                                         mod->sml_nvalues[i] = mod->sml_nvalues[mod->sml_numvals];
2337                                                                         BER_BVZERO( &mod->sml_nvalues[mod->sml_numvals] );
2338                                                                 }
2339                                                                 break;
2340                                                         }
2341                                                 }
2342                                                 if ( !mod->sml_numvals ) {
2343                                                         /* Drop this op */
2344                                                         *ml = mod->sml_next;
2345                                                         mod->sml_next = NULL;
2346                                                         slap_mods_free( mod, 1 );
2347                                                 }
2348                                                 break;
2349                                         }
2350                                 }
2351                         }
2352                         if ( !got_replace ) {
2353                                 for ( ml = &dni.mods; *ml; ml = &(*ml)->sml_next ) {
2354                                         if ( (*ml)->sml_desc == dni.newDesc ) {
2355                                                 mod = *ml;
2356                                                 if ( mod->sml_op != LDAP_MOD_ADD )
2357                                                         continue;
2358                                                 if ( mod->sml_numvals == 1 ) {
2359                                                         /* Drop this op */
2360                                                         *ml = mod->sml_next;
2361                                                         mod->sml_next = NULL;
2362                                                         slap_mods_free( mod, 1 );
2363                                                         break;
2364                                                 }
2365                                                 for ( m2 = op->orr_modlist; m2; m2=m2->sml_next ) {
2366                                                         if ( m2->sml_desc == dni.oldDesc &&
2367                                                                 m2->sml_op == SLAP_MOD_SOFTADD ) break;
2368                                                 }
2369                                                 for ( i=0; i<mod->sml_numvals; i++ ) {
2370                                                         if ( bvmatch( &mod->sml_values[i], &m2->sml_values[0] )) {
2371                                                                 mod->sml_numvals--;
2372                                                                 ch_free( mod->sml_values[i].bv_val );
2373                                                                 mod->sml_values[i] = mod->sml_values[mod->sml_numvals];
2374                                                                 BER_BVZERO( &mod->sml_values[mod->sml_numvals] );
2375                                                                 if ( mod->sml_nvalues ) {
2376                                                                         ch_free( mod->sml_nvalues[i].bv_val );
2377                                                                         mod->sml_nvalues[i] = mod->sml_nvalues[mod->sml_numvals];
2378                                                                         BER_BVZERO( &mod->sml_nvalues[mod->sml_numvals] );
2379                                                                 }
2380                                                                 break;
2381                                                         }
2382                                                 }
2383                                                 break;
2384                                         }
2385                                 }
2386                         }
2387
2388                         /* RDNs must be NUL-terminated for back-ldap */
2389                         noldp = op->orr_newrdn;
2390                         ber_dupbv_x( &op->orr_newrdn, &noldp, op->o_tmpmemctx );
2391                         noldp = op->orr_nnewrdn;
2392                         ber_dupbv_x( &op->orr_nnewrdn, &noldp, op->o_tmpmemctx );
2393
2394                         /* Setup opattrs too */
2395                         {
2396                                 static AttributeDescription *nullattr = NULL;
2397                                 static AttributeDescription **const opattrs[] = {
2398                                         &slap_schema.si_ad_entryCSN,
2399                                         &slap_schema.si_ad_modifiersName,
2400                                         &slap_schema.si_ad_modifyTimestamp,
2401                                         &nullattr
2402                                 };
2403                                 AttributeDescription *opattr;
2404                                 int i;
2405
2406                                 modtail = &m2;
2407                                 /* pull mod off incoming modlist */
2408                                 for ( i = 0; (opattr = *opattrs[i]) != NULL; i++ ) {
2409                                         for ( ml = &dni.mods; *ml; ml = &(*ml)->sml_next )
2410                                         {
2411                                                 if ( (*ml)->sml_desc == opattr ) {
2412                                                         mod = *ml;
2413                                                         *ml = mod->sml_next;
2414                                                         mod->sml_next = NULL;
2415                                                         *modtail = mod;
2416                                                         modtail = &mod->sml_next;
2417                                                         break;
2418                                                 }
2419                                         }
2420                                 }
2421                                 /* If there are still Modifications left, put the opattrs
2422                                  * back, and let be_modify run. Otherwise, append the opattrs
2423                                  * to the orr_modlist.
2424                                  */
2425                                 if ( dni.mods ) {
2426                                         mod = dni.mods;
2427                                         /* don't set a CSN for the rename op */
2428                                         if ( syncCSN )
2429                                                 slap_graduate_commit_csn( op );
2430                                 } else {
2431                                         mod = op->orr_modlist;
2432                                         just_rename = 1;
2433                                 }
2434                                 for ( ; mod->sml_next; mod=mod->sml_next );
2435                                 mod->sml_next = m2;
2436                         }
2437                         op->o_bd = si->si_wbe;
2438                         rc = op->o_bd->be_modrdn( op, &rs_modify );
2439                         op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
2440                         op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
2441
2442                         slap_mods_free( op->orr_modlist, 1 );
2443                         Debug( LDAP_DEBUG_SYNC,
2444                                         "syncrepl_entry: %s be_modrdn %s (%d)\n",
2445                                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
2446                         op->o_bd = be;
2447                         /* Renamed entries may still have other mods so just fallthru */
2448                         op->o_req_dn = entry->e_name;
2449                         op->o_req_ndn = entry->e_nname;
2450                         /* Use CSN on the modify */
2451                         if ( just_rename )
2452                                 syncCSN = NULL;
2453                         else if ( syncCSN )
2454                                 slap_queue_csn( op, syncCSN );
2455                 }
2456                 if ( dni.mods ) {
2457                         op->o_tag = LDAP_REQ_MODIFY;
2458                         op->orm_modlist = dni.mods;
2459                         op->orm_no_opattrs = 1;
2460                         op->o_bd = si->si_wbe;
2461
2462                         rc = op->o_bd->be_modify( op, &rs_modify );
2463                         slap_mods_free( op->orm_modlist, 1 );
2464                         op->orm_no_opattrs = 0;
2465                         Debug( LDAP_DEBUG_SYNC,
2466                                         "syncrepl_entry: %s be_modify %s (%d)\n",
2467                                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
2468                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
2469                                 Debug( LDAP_DEBUG_ANY,
2470                                         "syncrepl_entry: %s be_modify failed (%d)\n",
2471                                         si->si_ridtxt, rs_modify.sr_err, 0 );
2472                         }
2473                         syncCSN = NULL;
2474                         op->o_bd = be;
2475                 } else if ( !dni.renamed ) {
2476                         Debug( LDAP_DEBUG_SYNC,
2477                                         "syncrepl_entry: %s entry unchanged, ignored (%s)\n",
2478                                         si->si_ridtxt, op->o_req_dn.bv_val, 0 );
2479                         if ( syncCSN ) {
2480                                 slap_graduate_commit_csn( op );
2481                                 syncCSN = NULL;
2482                         }
2483                 }
2484                 goto done;
2485         case LDAP_SYNC_DELETE :
2486                 if ( !BER_BVISNULL( &dni.dn ) ) {
2487                         op->o_req_dn = dni.dn;
2488                         op->o_req_ndn = dni.ndn;
2489                         op->o_tag = LDAP_REQ_DELETE;
2490                         op->o_bd = si->si_wbe;
2491                         rc = op->o_bd->be_delete( op, &rs_delete );
2492                         Debug( LDAP_DEBUG_SYNC,
2493                                         "syncrepl_entry: %s be_delete %s (%d)\n",
2494                                         si->si_ridtxt, op->o_req_dn.bv_val, rc );
2495
2496                         while ( rs_delete.sr_err == LDAP_SUCCESS
2497                                 && op->o_delete_glue_parent ) {
2498                                 op->o_delete_glue_parent = 0;
2499                                 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2500                                         slap_callback cb = { NULL };
2501                                         cb.sc_response = slap_null_cb;
2502                                         dnParent( &op->o_req_ndn, &pdn );
2503                                         op->o_req_dn = pdn;
2504                                         op->o_req_ndn = pdn;
2505                                         op->o_callback = &cb;
2506                                         op->o_bd->be_delete( op, &rs_delete );
2507                                 } else {
2508                                         break;
2509                                 }
2510                         }
2511                         syncCSN = NULL;
2512                         op->o_bd = be;
2513                 }
2514                 goto done;
2515
2516         default :
2517                 Debug( LDAP_DEBUG_ANY,
2518                         "syncrepl_entry: %s unknown syncstate\n", si->si_ridtxt, 0, 0 );
2519                 goto done;
2520         }
2521
2522 done:
2523         if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
2524                 slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
2525                 BER_BVZERO( &syncUUID_strrep );
2526         }
2527         if ( !BER_BVISNULL( &dni.ndn ) ) {
2528                 op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
2529         }
2530         if ( !BER_BVISNULL( &dni.dn ) ) {
2531                 op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
2532         }
2533         if ( entry ) {
2534                 entry_free( entry );
2535         }
2536         if ( syncCSN ) {
2537                 slap_graduate_commit_csn( op );
2538         }
2539         if ( !BER_BVISNULL( &op->o_csn ) && freecsn ) {
2540                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2541         }
2542         BER_BVZERO( &op->o_csn );
2543         return rc;
2544 }
2545
2546 static struct berval gcbva[] = {
2547         BER_BVC("top"),
2548         BER_BVC("glue"),
2549         BER_BVNULL
2550 };
2551
2552 #define NP_DELETE_ONE   2
2553
2554 static void
2555 syncrepl_del_nonpresent(
2556         Operation *op,
2557         syncinfo_t *si,
2558         BerVarray uuids,
2559         struct sync_cookie *sc,
2560         int m )
2561 {
2562         Backend* be = op->o_bd;
2563         slap_callback   cb = { NULL };
2564         SlapReply       rs_search = {REP_RESULT};
2565         SlapReply       rs_delete = {REP_RESULT};
2566         SlapReply       rs_modify = {REP_RESULT};
2567         struct nonpresent_entry *np_list, *np_prev;
2568         int rc;
2569         AttributeName   an[2];
2570
2571         struct berval pdn = BER_BVNULL;
2572         struct berval csn;
2573
2574         op->o_req_dn = si->si_base;
2575         op->o_req_ndn = si->si_base;
2576
2577         cb.sc_response = nonpresent_callback;
2578         cb.sc_private = si;
2579
2580         op->o_callback = &cb;
2581         op->o_tag = LDAP_REQ_SEARCH;
2582         op->ors_scope = si->si_scope;
2583         op->ors_deref = LDAP_DEREF_NEVER;
2584         op->o_time = slap_get_time();
2585         op->ors_tlimit = SLAP_NO_LIMIT;
2586
2587
2588         if ( uuids ) {
2589                 Filter uf;
2590                 AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;
2591                 int i;
2592
2593                 op->ors_attrsonly = 1;
2594                 op->ors_attrs = slap_anlist_no_attrs;
2595                 op->ors_limit = NULL;
2596                 op->ors_filter = &uf;
2597
2598                 uf.f_ava = &eq;
2599                 uf.f_av_desc = slap_schema.si_ad_entryUUID;
2600                 uf.f_next = NULL;
2601                 uf.f_choice = LDAP_FILTER_EQUALITY;
2602                 si->si_refreshDelete |= NP_DELETE_ONE;
2603
2604                 for (i=0; uuids[i].bv_val; i++) {
2605                         op->ors_slimit = 1;
2606                         uf.f_av_value = uuids[i];
2607                         filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2608                         rc = be->be_search( op, &rs_search );
2609                         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2610                 }
2611                 si->si_refreshDelete ^= NP_DELETE_ONE;
2612         } else {
2613                 Filter *cf, *of;
2614                 Filter mmf[2];
2615                 AttributeAssertion mmaa;
2616
2617                 memset( &an[0], 0, 2 * sizeof( AttributeName ) );
2618                 an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
2619                 an[0].an_desc = slap_schema.si_ad_entryUUID;
2620                 op->ors_attrs = an;
2621                 op->ors_slimit = SLAP_NO_LIMIT;
2622                 op->ors_tlimit = SLAP_NO_LIMIT;
2623                 op->ors_limit = NULL;
2624                 op->ors_attrsonly = 0;
2625                 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
2626                 /* In multimaster, updates can continue to arrive while
2627                  * we're searching. Limit the search result to entries
2628                  * older than our newest cookie CSN.
2629                  */
2630                 if ( SLAP_MULTIMASTER( op->o_bd )) {
2631                         Filter *f;
2632                         int i;
2633
2634                         f = mmf;
2635                         f->f_choice = LDAP_FILTER_AND;
2636                         f->f_next = op->ors_filter;
2637                         f->f_and = f+1;
2638                         of = f->f_and;
2639                         f = of;
2640                         f->f_choice = LDAP_FILTER_LE;
2641                         f->f_ava = &mmaa;
2642                         f->f_av_desc = slap_schema.si_ad_entryCSN;
2643                         f->f_next = NULL;
2644                         BER_BVZERO( &f->f_av_value );
2645                         for ( i=0; i<sc->numcsns; i++ ) {
2646                                 if ( ber_bvcmp( &sc->ctxcsn[i], &f->f_av_value ) > 0 )
2647                                         f->f_av_value = sc->ctxcsn[i];
2648                         }
2649                         of = op->ors_filter;
2650                         op->ors_filter = mmf;
2651                         filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2652                 } else {
2653                         cf = NULL;
2654                         op->ors_filterstr = si->si_filterstr;
2655                 }
2656                 op->o_nocaching = 1;
2657
2658
2659                 rc = be->be_search( op, &rs_search );
2660                 if ( SLAP_MULTIMASTER( op->o_bd )) {
2661                         op->ors_filter = of;
2662                 }
2663                 if ( op->ors_filter ) filter_free_x( op, op->ors_filter, 1 );
2664                 if ( op->ors_filterstr.bv_val != si->si_filterstr.bv_val ) {
2665                         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2666                 }
2667
2668         }
2669
2670         op->o_nocaching = 0;
2671
2672         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
2673
2674                 if ( sc->ctxcsn && !BER_BVISNULL( &sc->ctxcsn[m] ) ) {
2675                         csn = sc->ctxcsn[m];
2676                 } else {
2677                         csn = si->si_syncCookie.ctxcsn[0];
2678                 }
2679
2680                 op->o_bd = si->si_wbe;
2681                 slap_queue_csn( op, &csn );
2682
2683                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
2684                 while ( np_list != NULL ) {
2685                         LDAP_LIST_REMOVE( np_list, npe_link );
2686                         np_prev = np_list;
2687                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
2688                         op->o_tag = LDAP_REQ_DELETE;
2689                         op->o_callback = &cb;
2690                         cb.sc_response = null_callback;
2691                         cb.sc_private = si;
2692                         op->o_req_dn = *np_prev->npe_name;
2693                         op->o_req_ndn = *np_prev->npe_nname;
2694                         rc = op->o_bd->be_delete( op, &rs_delete );
2695                         Debug( LDAP_DEBUG_SYNC,
2696                                 "syncrepl_del_nonpresent: %s be_delete %s (%d)\n",
2697                                 si->si_ridtxt, op->o_req_dn.bv_val, rc );
2698
2699                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
2700                                 Modifications mod1, mod2;
2701                                 mod1.sml_op = LDAP_MOD_REPLACE;
2702                                 mod1.sml_flags = 0;
2703                                 mod1.sml_desc = slap_schema.si_ad_objectClass;
2704                                 mod1.sml_type = mod1.sml_desc->ad_cname;
2705                                 mod1.sml_numvals = 2;
2706                                 mod1.sml_values = &gcbva[0];
2707                                 mod1.sml_nvalues = NULL;
2708                                 mod1.sml_next = &mod2;
2709
2710                                 mod2.sml_op = LDAP_MOD_REPLACE;
2711                                 mod2.sml_flags = 0;
2712                                 mod2.sml_desc = slap_schema.si_ad_structuralObjectClass;
2713                                 mod2.sml_type = mod2.sml_desc->ad_cname;
2714                                 mod2.sml_numvals = 1;
2715                                 mod2.sml_values = &gcbva[1];
2716                                 mod2.sml_nvalues = NULL;
2717                                 mod2.sml_next = NULL;
2718
2719                                 op->o_tag = LDAP_REQ_MODIFY;
2720                                 op->orm_modlist = &mod1;
2721
2722                                 rc = op->o_bd->be_modify( op, &rs_modify );
2723                                 if ( mod2.sml_next ) slap_mods_free( mod2.sml_next, 1 );
2724                         }
2725
2726                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
2727                                         op->o_delete_glue_parent ) {
2728                                 op->o_delete_glue_parent = 0;
2729                                 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2730                                         slap_callback cb = { NULL };
2731                                         cb.sc_response = slap_null_cb;
2732                                         dnParent( &op->o_req_ndn, &pdn );
2733                                         op->o_req_dn = pdn;
2734                                         op->o_req_ndn = pdn;
2735                                         op->o_callback = &cb;
2736                                         /* give it a root privil ? */
2737                                         op->o_bd->be_delete( op, &rs_delete );
2738                                 } else {
2739                                         break;
2740                                 }
2741                         }
2742
2743                         op->o_delete_glue_parent = 0;
2744
2745                         ber_bvfree( np_prev->npe_name );
2746                         ber_bvfree( np_prev->npe_nname );
2747                         ch_free( np_prev );
2748
2749                         if ( slapd_shutdown ) {
2750                                 break;
2751                         }
2752                 }
2753
2754                 slap_graduate_commit_csn( op );
2755                 op->o_bd = be;
2756
2757                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2758                 BER_BVZERO( &op->o_csn );
2759         }
2760
2761         return;
2762 }
2763
2764 int
2765 syncrepl_add_glue(
2766         Operation* op,
2767         Entry *e )
2768 {
2769         Backend *be = op->o_bd;
2770         slap_callback cb = { NULL };
2771         Attribute       *a;
2772         int     rc;
2773         int suffrdns;
2774         int i;
2775         struct berval dn = BER_BVNULL;
2776         struct berval ndn = BER_BVNULL;
2777         Entry   *glue;
2778         SlapReply       rs_add = {REP_RESULT};
2779         struct berval   ptr, nptr;
2780         char            *comma;
2781
2782         op->o_tag = LDAP_REQ_ADD;
2783         op->o_callback = &cb;
2784         cb.sc_response = null_callback;
2785         cb.sc_private = NULL;
2786
2787         dn = e->e_name;
2788         ndn = e->e_nname;
2789
2790         /* count RDNs in suffix */
2791         if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
2792                 for ( i = 0, ptr = be->be_nsuffix[0], comma = ptr.bv_val; comma != NULL; comma = ber_bvchr( &ptr, ',' ) ) {
2793                         comma++;
2794                         ptr.bv_len -= comma - ptr.bv_val;
2795                         ptr.bv_val = comma;
2796                         i++;
2797                 }
2798                 suffrdns = i;
2799         } else {
2800                 /* suffix is "" */
2801                 suffrdns = 0;
2802         }
2803
2804         /* Start with BE suffix */
2805         ptr = dn;
2806         for ( i = 0; i < suffrdns; i++ ) {
2807                 comma = ber_bvrchr( &ptr, ',' );
2808                 if ( comma != NULL ) {
2809                         ptr.bv_len = comma - ptr.bv_val;
2810                 } else {
2811                         ptr.bv_len = 0;
2812                         break;
2813                 }
2814         }
2815
2816         if ( !BER_BVISEMPTY( &ptr ) ) {
2817                 dn.bv_len -= ptr.bv_len + 1;
2818                 dn.bv_val += ptr.bv_len + 1;
2819         }
2820
2821         /* the normalizedDNs are always the same length, no counting
2822          * required.
2823          */
2824         nptr = ndn;
2825         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
2826                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
2827                 ndn.bv_len = be->be_nsuffix[0].bv_len;
2828
2829                 nptr.bv_len = ndn.bv_val - nptr.bv_val - 1;
2830
2831         } else {
2832                 nptr.bv_len = 0;
2833         }
2834
2835         while ( ndn.bv_val > e->e_nname.bv_val ) {
2836                 glue = entry_alloc();
2837                 ber_dupbv( &glue->e_name, &dn );
2838                 ber_dupbv( &glue->e_nname, &ndn );
2839
2840                 a = attr_alloc( slap_schema.si_ad_objectClass );
2841
2842                 a->a_numvals = 2;
2843                 a->a_vals = ch_calloc( 3, sizeof( struct berval ) );
2844                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
2845                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
2846                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
2847
2848                 a->a_nvals = a->a_vals;
2849
2850                 a->a_next = glue->e_attrs;
2851                 glue->e_attrs = a;
2852
2853                 a = attr_alloc( slap_schema.si_ad_structuralObjectClass );
2854
2855                 a->a_numvals = 1;
2856                 a->a_vals = ch_calloc( 2, sizeof( struct berval ) );
2857                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
2858                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
2859
2860                 a->a_nvals = a->a_vals;
2861
2862                 a->a_next = glue->e_attrs;
2863                 glue->e_attrs = a;
2864
2865                 op->o_req_dn = glue->e_name;
2866                 op->o_req_ndn = glue->e_nname;
2867                 op->ora_e = glue;
2868                 rc = be->be_add ( op, &rs_add );
2869                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
2870                         if ( op->ora_e == glue )
2871                                 be_entry_release_w( op, glue );
2872                 } else {
2873                 /* incl. ALREADY EXIST */
2874                         entry_free( glue );
2875                         if ( rs_add.sr_err != LDAP_ALREADY_EXISTS ) {
2876                                 entry_free( e );
2877                                 return rc;
2878                         }
2879                 }
2880
2881                 /* Move to next child */
2882                 comma = ber_bvrchr( &ptr, ',' );
2883                 if ( comma == NULL ) {
2884                         break;
2885                 }
2886                 ptr.bv_len = comma - ptr.bv_val;
2887
2888                 dn.bv_val = ++comma;
2889                 dn.bv_len = e->e_name.bv_len - (dn.bv_val - e->e_name.bv_val);
2890
2891                 comma = ber_bvrchr( &nptr, ',' );
2892                 assert( comma != NULL );
2893                 nptr.bv_len = comma - nptr.bv_val;
2894
2895                 ndn.bv_val = ++comma;
2896                 ndn.bv_len = e->e_nname.bv_len - (ndn.bv_val - e->e_nname.bv_val);
2897         }
2898
2899         op->o_req_dn = e->e_name;
2900         op->o_req_ndn = e->e_nname;
2901         op->ora_e = e;
2902         rc = be->be_add ( op, &rs_add );
2903         if ( rs_add.sr_err == LDAP_SUCCESS ) {
2904                 if ( op->ora_e == e )
2905                         be_entry_release_w( op, e );
2906         } else {
2907                 entry_free( e );
2908         }
2909
2910         return rc;
2911 }
2912
2913 static int
2914 syncrepl_updateCookie(
2915         syncinfo_t *si,
2916         Operation *op,
2917         struct berval *pdn,
2918         struct sync_cookie *syncCookie )
2919 {
2920         Backend *be = op->o_bd;
2921         Modifications mod;
2922         struct berval first = BER_BVNULL;
2923 #ifdef CHECK_CSN
2924         Syntax *syn = slap_schema.si_ad_contextCSN->ad_type->sat_syntax;
2925 #endif
2926
2927         int rc, i, j;
2928         ber_len_t len;
2929
2930         slap_callback cb = { NULL };
2931         SlapReply       rs_modify = {REP_RESULT};
2932
2933         mod.sml_op = LDAP_MOD_REPLACE;
2934         mod.sml_desc = slap_schema.si_ad_contextCSN;
2935         mod.sml_type = mod.sml_desc->ad_cname;
2936         mod.sml_flags = SLAP_MOD_INTERNAL;
2937         mod.sml_nvalues = NULL;
2938         mod.sml_next = NULL;
2939
2940         ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
2941
2942 #ifdef CHECK_CSN
2943         for ( i=0; i<syncCookie->numcsns; i++ ) {
2944                 assert( !syn->ssyn_validate( syn, syncCookie->ctxcsn+i ));
2945         }
2946         for ( i=0; i<si->si_cookieState->cs_num; i++ ) {
2947                 assert( !syn->ssyn_validate( syn, si->si_cookieState->cs_vals+i ));
2948         }
2949 #endif
2950
2951         /* clone the cookieState CSNs so we can Replace the whole thing */
2952         mod.sml_numvals = si->si_cookieState->cs_num;
2953         mod.sml_values = op->o_tmpalloc(( mod.sml_numvals+1 )*sizeof(struct berval), op->o_tmpmemctx );
2954         for ( i=0; i<mod.sml_numvals; i++ )
2955                 mod.sml_values[i] = si->si_cookieState->cs_vals[i];
2956         BER_BVZERO( &mod.sml_values[i] );
2957
2958         /* find any CSNs in the syncCookie that are newer than the cookieState */
2959         for ( i=0; i<syncCookie->numcsns; i++ ) {
2960                 for ( j=0; j<si->si_cookieState->cs_num; j++ ) {
2961                         if ( syncCookie->sids[i] != si->si_cookieState->cs_sids[j] )
2962                                 continue;
2963                         len = syncCookie->ctxcsn[i].bv_len;
2964                         if ( len > si->si_cookieState->cs_vals[j].bv_len )
2965                                 len = si->si_cookieState->cs_vals[j].bv_len;
2966                         if ( memcmp( syncCookie->ctxcsn[i].bv_val,
2967                                 si->si_cookieState->cs_vals[j].bv_val, len ) > 0 ) {
2968                                 mod.sml_values[j] = syncCookie->ctxcsn[i];
2969                                 if ( BER_BVISNULL( &first ) ) {
2970                                         first = syncCookie->ctxcsn[i];
2971
2972                                 } else if ( memcmp( syncCookie->ctxcsn[i].bv_val, first.bv_val, first.bv_len ) > 0 )
2973                                 {
2974                                         first = syncCookie->ctxcsn[i];
2975                                 }
2976                         }
2977                         break;
2978                 }
2979                 /* there was no match for this SID, it's a new CSN */
2980                 if ( j == si->si_cookieState->cs_num ) {
2981                         mod.sml_values = op->o_tmprealloc( mod.sml_values,
2982                                 ( mod.sml_numvals+2 )*sizeof(struct berval), op->o_tmpmemctx );
2983                         mod.sml_values[mod.sml_numvals++] = syncCookie->ctxcsn[i];
2984                         BER_BVZERO( &mod.sml_values[mod.sml_numvals] );
2985                         if ( BER_BVISNULL( &first ) ) {
2986                                 first = syncCookie->ctxcsn[i];
2987                         } else if ( memcmp( syncCookie->ctxcsn[i].bv_val, first.bv_val, first.bv_len ) > 0 )
2988                         {
2989                                 first = syncCookie->ctxcsn[i];
2990                         }
2991                 }
2992         }
2993         /* Should never happen, ITS#5065 */
2994         if ( BER_BVISNULL( &first )) {
2995                 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
2996                 op->o_tmpfree( mod.sml_values, op->o_tmpmemctx );
2997                 return 0;
2998         }
2999         op->o_bd = si->si_wbe;
3000         slap_queue_csn( op, &first );
3001
3002         op->o_tag = LDAP_REQ_MODIFY;
3003
3004         cb.sc_response = null_callback;
3005         cb.sc_private = si;
3006
3007         op->o_callback = &cb;
3008         op->o_req_dn = op->o_bd->be_suffix[0];
3009         op->o_req_ndn = op->o_bd->be_nsuffix[0];
3010
3011         /* update contextCSN */
3012         op->o_dont_replicate = 1;
3013
3014         op->orm_modlist = &mod;
3015         op->orm_no_opattrs = 1;
3016         rc = op->o_bd->be_modify( op, &rs_modify );
3017         op->orm_no_opattrs = 0;
3018         op->o_dont_replicate = 0;
3019
3020         if ( rs_modify.sr_err == LDAP_SUCCESS ) {
3021                 slap_sync_cookie_free( &si->si_syncCookie, 0 );
3022                 slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
3023                 /* If we replaced any old values */
3024                 for ( i=0; i<si->si_cookieState->cs_num; i++ ) {
3025                         if ( mod.sml_values[i].bv_val != si->si_cookieState->cs_vals[i].bv_val )
3026                                         ber_bvreplace( &si->si_cookieState->cs_vals[i],
3027                                                 &mod.sml_values[i] );
3028                 }
3029                 /* Handle any added values */
3030                 if ( i < mod.sml_numvals ) {
3031                         si->si_cookieState->cs_num = mod.sml_numvals;
3032                         value_add( &si->si_cookieState->cs_vals, &mod.sml_values[i] );
3033                         free( si->si_cookieState->cs_sids );
3034                         si->si_cookieState->cs_sids = slap_parse_csn_sids(
3035                                 si->si_cookieState->cs_vals, si->si_cookieState->cs_num, NULL );
3036                 }
3037
3038                 si->si_cookieState->cs_age++;
3039                 si->si_cookieAge = si->si_cookieState->cs_age;
3040         } else {
3041                 Debug( LDAP_DEBUG_ANY,
3042                         "syncrepl_updateCookie: %s be_modify failed (%d)\n",
3043                         si->si_ridtxt, rs_modify.sr_err, 0 );
3044         }
3045         ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
3046
3047         op->o_bd = be;
3048         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
3049         BER_BVZERO( &op->o_csn );
3050         if ( mod.sml_next ) slap_mods_free( mod.sml_next, 1 );
3051         op->o_tmpfree( mod.sml_values, op->o_tmpmemctx );
3052
3053 #ifdef CHECK_CSN
3054         for ( i=0; i<si->si_cookieState->cs_num; i++ ) {
3055                 assert( !syn->ssyn_validate( syn, si->si_cookieState->cs_vals+i ));
3056         }
3057 #endif
3058
3059         return rc;
3060 }
3061
3062 static void
3063 attr_cmp( Operation *op, Attribute *old, Attribute *new,
3064         Modifications ***mret, Modifications ***mcur )
3065 {
3066         int i, j;
3067         Modifications *mod, **modtail;
3068
3069         modtail = *mret;
3070
3071         if ( old ) {
3072                 int n, o, nn, no;
3073                 struct berval **adds, **dels;
3074                 /* count old and new */
3075                 for ( o=0; old->a_vals[o].bv_val; o++ ) ;
3076                 for ( n=0; new->a_vals[n].bv_val; n++ ) ;
3077
3078                 /* there MUST be both old and new values */
3079                 assert( o != 0 );
3080                 assert( n != 0 );
3081                 j = 0;
3082
3083                 adds = op->o_tmpalloc( sizeof(struct berval *) * n, op->o_tmpmemctx );
3084                 dels = op->o_tmpalloc( sizeof(struct berval *) * o, op->o_tmpmemctx );
3085
3086                 for ( i=0; i<o; i++ ) dels[i] = &old->a_vals[i];
3087                 for ( i=0; i<n; i++ ) adds[i] = &new->a_vals[i];
3088
3089                 nn = n; no = o;
3090
3091                 for ( i=0; i<o; i++ ) {
3092                         for ( j=0; j<n; j++ ) {
3093                                 if ( !adds[j] )
3094                                         continue;
3095                                 if ( bvmatch( dels[i], adds[j] ) ) {
3096                                         no--;
3097                                         nn--;
3098                                         adds[j] = NULL;
3099                                         dels[i] = NULL;
3100                                         break;
3101                                 }
3102                         }
3103                 }
3104
3105                 /* Don't delete/add an objectClass, always use the replace op.
3106                  * Modify would fail if provider has replaced entry with a new,
3107                  * and the new explicitly includes a superior of a class that was
3108                  * only included implicitly in the old entry.  Ref ITS#5517.
3109                  *
3110                  * Also use replace op if attr has no equality matching rule.
3111                  * (ITS#5781)
3112                  */
3113                 if ( nn && no < o &&
3114                         ( old->a_desc == slap_schema.si_ad_objectClass ||
3115                          !old->a_desc->ad_type->sat_equality ))
3116                         no = o;
3117
3118                 i = j;
3119                 /* all old values were deleted, just use the replace op */
3120                 if ( no == o ) {
3121                         i = j-1;
3122                 } else if ( no ) {
3123                 /* delete some values */
3124                         mod = ch_malloc( sizeof( Modifications ) );
3125                         mod->sml_op = LDAP_MOD_DELETE;
3126                         mod->sml_flags = 0;
3127                         mod->sml_desc = old->a_desc;
3128                         mod->sml_type = mod->sml_desc->ad_cname;
3129                         mod->sml_numvals = no;
3130                         mod->sml_values = ch_malloc( ( no + 1 ) * sizeof(struct berval) );
3131                         if ( old->a_vals != old->a_nvals ) {
3132                                 mod->sml_nvalues = ch_malloc( ( no + 1 ) * sizeof(struct berval) );
3133                         } else {
3134                                 mod->sml_nvalues = NULL;
3135                         }
3136                         j = 0;
3137                         for ( i = 0; i < o; i++ ) {
3138                                 if ( !dels[i] ) continue;
3139                                 ber_dupbv( &mod->sml_values[j], &old->a_vals[i] );
3140                                 if ( mod->sml_nvalues ) {
3141                                         ber_dupbv( &mod->sml_nvalues[j], &old->a_nvals[i] );
3142                                 }
3143                                 j++;
3144                         }
3145                         BER_BVZERO( &mod->sml_values[j] );
3146                         if ( mod->sml_nvalues ) {
3147                                 BER_BVZERO( &mod->sml_nvalues[j] );
3148                         }
3149                         *modtail = mod;
3150                         modtail = &mod->sml_next;
3151                         i = j;
3152                 }
3153                 op->o_tmpfree( dels, op->o_tmpmemctx );
3154                 /* some values were added */
3155                 if ( nn && no < o ) {
3156                         mod = ch_malloc( sizeof( Modifications ) );
3157                         mod->sml_op = LDAP_MOD_ADD;
3158                         mod->sml_flags = 0;
3159                         mod->sml_desc = old->a_desc;
3160                         mod->sml_type = mod->sml_desc->ad_cname;
3161                         mod->sml_numvals = nn;
3162                         mod->sml_values = ch_malloc( ( nn + 1 ) * sizeof(struct berval) );
3163                         if ( old->a_vals != old->a_nvals ) {
3164                                 mod->sml_nvalues = ch_malloc( ( nn + 1 ) * sizeof(struct berval) );
3165                         } else {
3166                                 mod->sml_nvalues = NULL;
3167                         }
3168                         j = 0;
3169                         for ( i = 0; i < n; i++ ) {
3170                                 if ( !adds[i] ) continue;
3171                                 ber_dupbv( &mod->sml_values[j], &new->a_vals[i] );
3172                                 if ( mod->sml_nvalues ) {
3173                                         ber_dupbv( &mod->sml_nvalues[j], &new->a_nvals[i] );
3174                                 }
3175                                 j++;
3176                         }
3177                         BER_BVZERO( &mod->sml_values[j] );
3178                         if ( mod->sml_nvalues ) {
3179                                 BER_BVZERO( &mod->sml_nvalues[j] );
3180                         }
3181                         *modtail = mod;
3182                         modtail = &mod->sml_next;
3183                         i = j;
3184                 }
3185                 op->o_tmpfree( adds, op->o_tmpmemctx );
3186         } else {
3187                 /* new attr, just use the new mod */
3188                 i = 0;
3189                 j = 1;
3190         }
3191         /* advance to next element */
3192         mod = **mcur;
3193         if ( mod ) {
3194                 if ( i != j ) {
3195                         **mcur = mod->sml_next;
3196                         *modtail = mod;
3197                         modtail = &mod->sml_next;
3198                 } else {
3199                         *mcur = &mod->sml_next;
3200                 }
3201         }
3202         *mret = modtail;
3203 }
3204
3205 static int
3206 dn_callback(
3207         Operation*      op,
3208         SlapReply*      rs )
3209 {
3210         dninfo *dni = op->o_callback->sc_private;
3211
3212         if ( rs->sr_type == REP_SEARCH ) {
3213                 if ( !BER_BVISNULL( &dni->dn ) ) {
3214                         Debug( LDAP_DEBUG_ANY,
3215                                 "dn_callback : consistency error - "
3216                                 "entryUUID is not unique\n", 0, 0, 0 );
3217                 } else {
3218                         ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
3219                         ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
3220                         /* If there is a new entry, see if it differs from the old.
3221                          * We compare the non-normalized values so that cosmetic changes
3222                          * in the provider are always propagated.
3223                          */
3224                         if ( dni->new_entry ) {
3225                                 Modifications **modtail, **ml;
3226                                 Attribute *old, *new;
3227                                 struct berval old_rdn, new_rdn;
3228                                 struct berval old_p, new_p;
3229                                 int is_ctx, new_sup = 0;
3230
3231                                 /* If old entry is not a glue entry, make sure new entry
3232                                  * is actually newer than old entry
3233                                  */
3234                                 if ( !is_entry_glue( rs->sr_entry )) {
3235                                         old = attr_find( rs->sr_entry->e_attrs,
3236                                                 slap_schema.si_ad_entryCSN );
3237                                         new = attr_find( dni->new_entry->e_attrs,
3238                                                 slap_schema.si_ad_entryCSN );
3239                                         if ( new && old ) {
3240                                                 int rc;
3241                                                 ber_len_t len = old->a_vals[0].bv_len;
3242                                                 if ( len > new->a_vals[0].bv_len )
3243                                                         len = new->a_vals[0].bv_len;
3244                                                 rc = memcmp( old->a_vals[0].bv_val,
3245                                                         new->a_vals[0].bv_val, len );
3246                                                 if ( rc > 0 ) {
3247                                                         Debug( LDAP_DEBUG_SYNC,
3248                                                                 "dn_callback : new entry is older than ours "
3249                                                                 "%s ours %s, new %s\n",
3250                                                                 rs->sr_entry->e_name.bv_val,
3251                                                                 old->a_vals[0].bv_val,
3252                                                                 new->a_vals[0].bv_val );
3253                                                         return LDAP_SUCCESS;
3254                                                 } else if ( rc == 0 ) {
3255                                                         Debug( LDAP_DEBUG_SYNC,
3256                                                                 "dn_callback : entries have identical CSN "
3257                                                                 "%s %s\n",
3258                                                                 rs->sr_entry->e_name.bv_val,
3259                                                                 old->a_vals[0].bv_val, 0 );
3260                                                         return LDAP_SUCCESS;
3261                                                 }
3262                                         }
3263                                 }
3264
3265                                 is_ctx = dn_match( &rs->sr_entry->e_nname,
3266                                         &op->o_bd->be_nsuffix[0] );
3267
3268                                 /* Did the DN change?
3269                                  * case changes in the parent are ignored,
3270                                  * we only want to know if the RDN was
3271                                  * actually changed.
3272                                  */
3273                                 dnRdn( &rs->sr_entry->e_name, &old_rdn );
3274                                 dnRdn( &dni->new_entry->e_name, &new_rdn );
3275                                 dnParent( &rs->sr_entry->e_nname, &old_p );
3276                                 dnParent( &dni->new_entry->e_nname, &new_p );
3277
3278                                 new_sup = !dn_match( &old_p, &new_p );
3279                                 if ( !dn_match( &old_rdn, &new_rdn ) || new_sup )
3280                                 {
3281                                         struct berval oldRDN, oldVal;
3282                                         AttributeDescription *ad = NULL;
3283                                         int oldpos, newpos;
3284                                         Attribute *a;
3285
3286                                         dni->renamed = 1;
3287                                         if ( new_sup )
3288                                                 dni->nnewSup = new_p;
3289
3290                                         /* See if the oldRDN was deleted */
3291                                         dnRdn( &rs->sr_entry->e_nname, &oldRDN );
3292                                         oldVal.bv_val = strchr(oldRDN.bv_val, '=') + 1;
3293                                         oldVal.bv_len = oldRDN.bv_len - ( oldVal.bv_val -
3294                                                 oldRDN.bv_val );
3295                                         oldRDN.bv_len -= oldVal.bv_len + 1;
3296                                         slap_bv2ad( &oldRDN, &ad, &rs->sr_text );
3297                                         dni->oldDesc = ad;
3298                                         for ( oldpos=0, a=rs->sr_entry->e_attrs;
3299                                                 a && a->a_desc != ad; oldpos++, a=a->a_next );
3300                                         dni->oldNattr = a;
3301                                         for ( newpos=0, a=dni->new_entry->e_attrs;
3302                                                 a && a->a_desc != ad; newpos++, a=a->a_next );
3303                                         if ( !a || oldpos != newpos || attr_valfind( a,
3304                                                 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH |
3305                                                 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
3306                                                 SLAP_MR_VALUE_OF_SYNTAX,
3307                                                 &oldVal, NULL, op->o_tmpmemctx ) != LDAP_SUCCESS )
3308                                         {
3309                                                 dni->delOldRDN = 1;
3310                                         }
3311                                         /* Get the newRDN's desc */
3312                                         dnRdn( &dni->new_entry->e_nname, &oldRDN );
3313                                         oldVal.bv_val = strchr(oldRDN.bv_val, '=');
3314                                         oldRDN.bv_len = oldVal.bv_val - oldRDN.bv_val;
3315                                         ad = NULL;
3316                                         slap_bv2ad( &oldRDN, &ad, &rs->sr_text );
3317                                         dni->newDesc = ad;
3318
3319                                         /* A ModDN has happened, but in Refresh mode other
3320                                          * changes may have occurred before we picked it up.
3321                                          * So fallthru to regular Modify processing.
3322                                          */
3323                                 }
3324
3325                                 modtail = &dni->mods;
3326                                 ml = dni->modlist;
3327
3328                                 /* We assume that attributes are saved in the same order
3329                                  * in the remote and local databases. So if we walk through
3330                                  * the attributeDescriptions one by one they should match in
3331                                  * lock step. If not, look for an add or delete.
3332                                  */
3333                                 for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
3334                                                 old && new; )
3335                                 {
3336                                         /* If we've seen this before, use its mod now */
3337                                         if ( new->a_flags & SLAP_ATTR_IXADD ) {
3338                                                 attr_cmp( op, NULL, new, &modtail, &ml );
3339                                                 new = new->a_next;
3340                                                 continue;
3341                                         }
3342                                         /* Skip contextCSN */
3343                                         if ( is_ctx && old->a_desc ==
3344                                                 slap_schema.si_ad_contextCSN ) {
3345                                                 old = old->a_next;
3346                                                 continue;
3347                                         }
3348
3349                                         if ( old->a_desc != new->a_desc ) {
3350                                                 Modifications *mod;
3351                                                 Attribute *tmp;
3352
3353                                                 /* If it's just been re-added later,
3354                                                  * remember that we've seen it.
3355                                                  */
3356                                                 tmp = attr_find( new, old->a_desc );
3357                                                 if ( tmp ) {
3358                                                         tmp->a_flags |= SLAP_ATTR_IXADD;
3359                                                 } else {
3360                                                         /* If it's a new attribute, pull it in.
3361                                                          */
3362                                                         tmp = attr_find( old, new->a_desc );
3363                                                         if ( !tmp ) {
3364                                                                 attr_cmp( op, NULL, new, &modtail, &ml );
3365                                                                 new = new->a_next;
3366                                                                 continue;
3367                                                         }
3368                                                         /* Delete old attr */
3369                                                         mod = ch_malloc( sizeof( Modifications ) );
3370                                                         mod->sml_op = LDAP_MOD_DELETE;
3371                                                         mod->sml_flags = 0;
3372                                                         mod->sml_desc = old->a_desc;
3373                                                         mod->sml_type = mod->sml_desc->ad_cname;
3374                                                         mod->sml_numvals = 0;
3375                                                         mod->sml_values = NULL;
3376                                                         mod->sml_nvalues = NULL;
3377                                                         *modtail = mod;
3378                                                         modtail = &mod->sml_next;
3379                                                 }
3380                                                 old = old->a_next;
3381                                                 continue;
3382                                         }
3383                                         /* kludge - always update modifiersName so that it
3384                                          * stays co-located with the other mod opattrs. But only
3385                                          * if we know there are other valid mods.
3386                                          */
3387                                         if ( dni->mods && ( old->a_desc == slap_schema.si_ad_modifiersName ||
3388                                                 old->a_desc == slap_schema.si_ad_modifyTimestamp ))
3389                                                 attr_cmp( op, NULL, new, &modtail, &ml );
3390                                         else
3391                                                 attr_cmp( op, old, new, &modtail, &ml );
3392                                         new = new->a_next;
3393                                         old = old->a_next;
3394                                 }
3395                                 *modtail = *ml;
3396                                 *ml = NULL;
3397                         }
3398                 }
3399         } else if ( rs->sr_type == REP_RESULT ) {
3400                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
3401                         Debug( LDAP_DEBUG_ANY,
3402                                 "dn_callback : consistency error - "
3403                                 "entryUUID is not unique\n", 0, 0, 0 );
3404                 }
3405         }
3406
3407         return LDAP_SUCCESS;
3408 }
3409
3410 static int
3411 nonpresent_callback(
3412         Operation*      op,
3413         SlapReply*      rs )
3414 {
3415         syncinfo_t *si = op->o_callback->sc_private;
3416         Attribute *a;
3417         int count = 0;
3418         struct berval* present_uuid = NULL;
3419         struct nonpresent_entry *np_entry;
3420
3421         if ( rs->sr_type == REP_RESULT ) {
3422                 count = avl_free( si->si_presentlist, ch_free );
3423                 si->si_presentlist = NULL;
3424
3425         } else if ( rs->sr_type == REP_SEARCH ) {
3426                 if ( !( si->si_refreshDelete & NP_DELETE_ONE ) ) {
3427                         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
3428
3429                         if ( a ) {
3430                                 present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
3431                                         syncuuid_cmp );
3432                         }
3433
3434                         if ( LogTest( LDAP_DEBUG_SYNC ) ) {
3435                                 char buf[sizeof("rid=999 non")];
3436
3437                                 snprintf( buf, sizeof(buf), "%s %s", si->si_ridtxt,
3438                                         present_uuid ? "" : "non" );
3439
3440                                 Debug( LDAP_DEBUG_SYNC, "nonpresent_callback: %spresent UUID %s, dn %s\n",
3441                                         buf, a ? a->a_vals[0].bv_val : "<missing>", rs->sr_entry->e_name.bv_val );
3442                         }
3443
3444                         if ( a == NULL ) return 0;
3445                 }
3446
3447                 if ( present_uuid == NULL ) {
3448                         np_entry = (struct nonpresent_entry *)
3449                                 ch_calloc( 1, sizeof( struct nonpresent_entry ) );
3450                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
3451                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
3452                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
3453
3454                 } else {
3455                         avl_delete( &si->si_presentlist,
3456                                 &a->a_nvals[0], syncuuid_cmp );
3457                         ch_free( present_uuid );
3458                 }
3459         }
3460         return LDAP_SUCCESS;
3461 }
3462
3463 static int
3464 null_callback(
3465         Operation*      op,
3466         SlapReply*      rs )
3467 {
3468         if ( rs->sr_err != LDAP_SUCCESS &&
3469                 rs->sr_err != LDAP_REFERRAL &&
3470                 rs->sr_err != LDAP_ALREADY_EXISTS &&
3471                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
3472                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
3473         {
3474                 Debug( LDAP_DEBUG_ANY,
3475                         "null_callback : error code 0x%x\n",
3476                         rs->sr_err, 0, 0 );
3477         }
3478         return LDAP_SUCCESS;
3479 }
3480
3481 static struct berval *
3482 slap_uuidstr_from_normalized(
3483         struct berval* uuidstr,
3484         struct berval* normalized,
3485         void *ctx )
3486 {
3487 #if 0
3488         struct berval *new;
3489         unsigned char nibble;
3490         int i, d = 0;
3491
3492         if ( normalized == NULL ) return NULL;
3493         if ( normalized->bv_len != 16 ) return NULL;
3494
3495         if ( uuidstr ) {
3496                 new = uuidstr;
3497         } else {
3498                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3499                 if ( new == NULL ) {
3500                         return NULL;
3501                 }
3502         }
3503
3504         new->bv_len = 36;
3505
3506         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3507                 if ( new != uuidstr ) {
3508                         slap_sl_free( new, ctx );
3509                 }
3510                 return NULL;
3511         }
3512
3513         for ( i = 0; i < 16; i++ ) {
3514                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
3515                         new->bv_val[(i<<1)+d] = '-';
3516                         d += 1;
3517                 }
3518
3519                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
3520                 if ( nibble < 10 ) {
3521                         new->bv_val[(i<<1)+d] = nibble + '0';
3522                 } else {
3523                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
3524                 }
3525
3526                 nibble = (normalized->bv_val[i]) & 0xF;
3527                 if ( nibble < 10 ) {
3528                         new->bv_val[(i<<1)+d+1] = nibble + '0';
3529                 } else {
3530                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
3531                 }
3532         }
3533
3534         new->bv_val[new->bv_len] = '\0';
3535         return new;
3536 #endif
3537
3538         struct berval   *new;
3539         int             rc = 0;
3540
3541         if ( normalized == NULL ) return NULL;
3542         if ( normalized->bv_len != 16 ) return NULL;
3543
3544         if ( uuidstr ) {
3545                 new = uuidstr;
3546
3547         } else {
3548                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3549                 if ( new == NULL ) {
3550                         return NULL;
3551                 }
3552         }
3553
3554         new->bv_len = 36;
3555
3556         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3557                 rc = 1;
3558                 goto done;
3559         }
3560
3561         rc = lutil_uuidstr_from_normalized( normalized->bv_val,
3562                 normalized->bv_len, new->bv_val, new->bv_len + 1 );
3563
3564 done:;
3565         if ( rc == -1 ) {
3566                 if ( new != NULL ) {
3567                         if ( new->bv_val != NULL ) {
3568                                 slap_sl_free( new->bv_val, ctx );
3569                         }
3570
3571                         if ( new != uuidstr ) {
3572                                 slap_sl_free( new, ctx );
3573                         }
3574                 }
3575                 new = NULL;
3576
3577         } else {
3578                 new->bv_len = rc;
3579         }
3580
3581         return new;
3582 }
3583
3584 static int
3585 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
3586 {
3587         const struct berval *uuid1 = v_uuid1;
3588         const struct berval *uuid2 = v_uuid2;
3589         int rc = uuid1->bv_len - uuid2->bv_len;
3590         if ( rc ) return rc;
3591         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
3592 }
3593
3594 void
3595 syncinfo_free( syncinfo_t *sie, int free_all )
3596 {
3597         syncinfo_t *si_next;
3598
3599         Debug( LDAP_DEBUG_TRACE, "syncinfo_free: %s\n",
3600                 sie->si_ridtxt, 0, 0 );
3601
3602         if ( free_all && sie->si_cookieState ) {
3603                 ch_free( sie->si_cookieState->cs_sids );
3604                 ber_bvarray_free( sie->si_cookieState->cs_vals );
3605                 ldap_pvt_thread_mutex_destroy( &sie->si_cookieState->cs_mutex );
3606                 ch_free( sie->si_cookieState );
3607         }
3608         do {
3609                 si_next = sie->si_next;
3610
3611                 if ( sie->si_ld ) {
3612                         if ( sie->si_conn ) {
3613                                 connection_client_stop( sie->si_conn );
3614                                 sie->si_conn = NULL;
3615                         }
3616                         ldap_unbind_ext( sie->si_ld, NULL, NULL );
3617                 }
3618
3619                 /* re-fetch it, in case it was already removed */
3620                 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
3621                 sie->si_re = ldap_pvt_runqueue_find( &slapd_rq, do_syncrepl, sie );
3622                 if ( sie->si_re ) {
3623                         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, sie->si_re ) )
3624                                 ldap_pvt_runqueue_stoptask( &slapd_rq, sie->si_re );
3625                         ldap_pvt_runqueue_remove( &slapd_rq, sie->si_re );
3626                 }
3627
3628                 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
3629                 ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
3630
3631                 bindconf_free( &sie->si_bindconf );
3632
3633                 if ( sie->si_filterstr.bv_val ) {
3634                         ch_free( sie->si_filterstr.bv_val );
3635                 }
3636                 if ( sie->si_logfilterstr.bv_val ) {
3637                         ch_free( sie->si_logfilterstr.bv_val );
3638                 }
3639                 if ( sie->si_base.bv_val ) {
3640                         ch_free( sie->si_base.bv_val );
3641                 }
3642                 if ( sie->si_logbase.bv_val ) {
3643                         ch_free( sie->si_logbase.bv_val );
3644                 }
3645                 if ( sie->si_attrs ) {
3646                         int i = 0;
3647                         while ( sie->si_attrs[i] != NULL ) {
3648                                 ch_free( sie->si_attrs[i] );
3649                                 i++;
3650                         }
3651                         ch_free( sie->si_attrs );
3652                 }
3653                 if ( sie->si_exattrs ) {
3654                         int i = 0;
3655                         while ( sie->si_exattrs[i] != NULL ) {
3656                                 ch_free( sie->si_exattrs[i] );
3657                                 i++;
3658                         }
3659                         ch_free( sie->si_exattrs );
3660                 }
3661                 if ( sie->si_anlist ) {
3662                         int i = 0;
3663                         while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
3664                                 ch_free( sie->si_anlist[i].an_name.bv_val );
3665                                 i++;
3666                         }
3667                         ch_free( sie->si_anlist );
3668                 }
3669                 if ( sie->si_exanlist ) {
3670                         int i = 0;
3671                         while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
3672                                 ch_free( sie->si_exanlist[i].an_name.bv_val );
3673                                 i++;
3674                         }
3675                         ch_free( sie->si_exanlist );
3676                 }
3677                 if ( sie->si_retryinterval ) {
3678                         ch_free( sie->si_retryinterval );
3679                 }
3680                 if ( sie->si_retrynum ) {
3681                         ch_free( sie->si_retrynum );
3682                 }
3683                 if ( sie->si_retrynum_init ) {
3684                         ch_free( sie->si_retrynum_init );
3685                 }
3686                 slap_sync_cookie_free( &sie->si_syncCookie, 0 );
3687                 if ( sie->si_presentlist ) {
3688                     avl_free( sie->si_presentlist, ch_free );
3689                 }
3690                 while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist ) ) {
3691                         struct nonpresent_entry* npe;
3692                         npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
3693                         LDAP_LIST_REMOVE( npe, npe_link );
3694                         if ( npe->npe_name ) {
3695                                 if ( npe->npe_name->bv_val ) {
3696                                         ch_free( npe->npe_name->bv_val );
3697                                 }
3698                                 ch_free( npe->npe_name );
3699                         }
3700                         if ( npe->npe_nname ) {
3701                                 if ( npe->npe_nname->bv_val ) {
3702                                         ch_free( npe->npe_nname->bv_val );
3703                                 }
3704                                 ch_free( npe->npe_nname );
3705                         }
3706                         ch_free( npe );
3707                 }
3708                 ch_free( sie );
3709                 sie = si_next;
3710         } while ( free_all && si_next );
3711 }
3712
3713
3714
3715 /* NOTE: used & documented in slapd.conf(5) */
3716 #define IDSTR                   "rid"
3717 #define PROVIDERSTR             "provider"
3718 #define SCHEMASTR               "schemachecking"
3719 #define FILTERSTR               "filter"
3720 #define SEARCHBASESTR           "searchbase"
3721 #define SCOPESTR                "scope"
3722 #define ATTRSONLYSTR            "attrsonly"
3723 #define ATTRSSTR                "attrs"
3724 #define TYPESTR                 "type"
3725 #define INTERVALSTR             "interval"
3726 #define RETRYSTR                "retry"
3727 #define SLIMITSTR               "sizelimit"
3728 #define TLIMITSTR               "timelimit"
3729 #define SYNCDATASTR             "syncdata"
3730 #define LOGBASESTR              "logbase"
3731 #define LOGFILTERSTR    "logfilter"
3732
3733 /* FIXME: undocumented */
3734 #define EXATTRSSTR              "exattrs"
3735 #define MANAGEDSAITSTR          "manageDSAit"
3736
3737 /* mandatory */
3738 enum {
3739         GOT_RID                 = 0x00000001U,
3740         GOT_PROVIDER            = 0x00000002U,
3741         GOT_SCHEMACHECKING      = 0x00000004U,
3742         GOT_FILTER              = 0x00000008U,
3743         GOT_SEARCHBASE          = 0x00000010U,
3744         GOT_SCOPE               = 0x00000020U,
3745         GOT_ATTRSONLY           = 0x00000040U,
3746         GOT_ATTRS               = 0x00000080U,
3747         GOT_TYPE                = 0x00000100U,
3748         GOT_INTERVAL            = 0x00000200U,
3749         GOT_RETRY               = 0x00000400U,
3750         GOT_SLIMIT              = 0x00000800U,
3751         GOT_TLIMIT              = 0x00001000U,
3752         GOT_SYNCDATA            = 0x00002000U,
3753         GOT_LOGBASE             = 0x00004000U,
3754         GOT_LOGFILTER           = 0x00008000U,
3755         GOT_EXATTRS             = 0x00010000U,
3756         GOT_MANAGEDSAIT         = 0x00020000U,
3757         GOT_BINDCONF            = 0x00040000U,
3758
3759 /* check */
3760         GOT_REQUIRED            = (GOT_RID|GOT_PROVIDER|GOT_SEARCHBASE)
3761 };
3762
3763 static struct {
3764         struct berval key;
3765         int val;
3766 } scopes[] = {
3767         { BER_BVC("base"), LDAP_SCOPE_BASE },
3768         { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
3769         { BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL },   /* OpenLDAP extension */
3770         { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
3771         { BER_BVC("subord"), LDAP_SCOPE_SUBORDINATE },
3772         { BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
3773         { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
3774         { BER_BVC("subtree"), LDAP_SCOPE_SUBTREE },     /* OpenLDAP extension */
3775         { BER_BVNULL, 0 }
3776 };
3777
3778 static slap_verbmasks datamodes[] = {
3779         { BER_BVC("default"), SYNCDATA_DEFAULT },
3780         { BER_BVC("accesslog"), SYNCDATA_ACCESSLOG },
3781         { BER_BVC("changelog"), SYNCDATA_CHANGELOG },
3782         { BER_BVNULL, 0 }
3783 };
3784
3785 static int
3786 parse_syncrepl_retry(
3787         ConfigArgs      *c,
3788         char            *arg,
3789         syncinfo_t      *si )
3790 {
3791         char **retry_list;
3792         int j, k, n;
3793         int use_default = 0;
3794
3795         char *val = arg + STRLENOF( RETRYSTR "=" );
3796         if ( strcasecmp( val, "undefined" ) == 0 ) {
3797                 val = "3600 +";
3798                 use_default = 1;
3799         }
3800
3801         retry_list = (char **) ch_calloc( 1, sizeof( char * ) );
3802         retry_list[0] = NULL;
3803
3804         slap_str2clist( &retry_list, val, " ,\t" );
3805
3806         for ( k = 0; retry_list && retry_list[k]; k++ ) ;
3807         n = k / 2;
3808         if ( k % 2 ) {
3809                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3810                         "Error: incomplete syncrepl retry list" );
3811                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3812                 for ( k = 0; retry_list && retry_list[k]; k++ ) {
3813                         ch_free( retry_list[k] );
3814                 }
3815                 ch_free( retry_list );
3816                 return 1;
3817         }
3818         si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ) );
3819         si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ) );
3820         si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ) );
3821         for ( j = 0; j < n; j++ ) {
3822                 unsigned long   t;
3823                 if ( lutil_atoul( &t, retry_list[j*2] ) != 0 ) {
3824                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
3825                                 "Error: invalid retry interval \"%s\" (#%d)",
3826                                 retry_list[j*2], j );
3827                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3828                         /* do some cleanup */
3829                         return 1;
3830                 }
3831                 si->si_retryinterval[j] = (time_t)t;
3832                 if ( *retry_list[j*2+1] == '+' ) {
3833                         si->si_retrynum_init[j] = RETRYNUM_FOREVER;
3834                         si->si_retrynum[j] = RETRYNUM_FOREVER;
3835                         j++;
3836                         break;
3837                 } else {
3838                         if ( lutil_atoi( &si->si_retrynum_init[j], retry_list[j*2+1] ) != 0
3839                                         || si->si_retrynum_init[j] <= 0 )
3840                         {
3841                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3842                                         "Error: invalid initial retry number \"%s\" (#%d)",
3843                                         retry_list[j*2+1], j );
3844                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3845                                 /* do some cleanup */
3846                                 return 1;
3847                         }
3848                         if ( lutil_atoi( &si->si_retrynum[j], retry_list[j*2+1] ) != 0
3849                                         || si->si_retrynum[j] <= 0 )
3850                         {
3851                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3852                                         "Error: invalid retry number \"%s\" (#%d)",
3853                                         retry_list[j*2+1], j );
3854                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3855                                 /* do some cleanup */
3856                                 return 1;
3857                         }
3858                 }
3859         }
3860         si->si_retrynum_init[j] = RETRYNUM_TAIL;
3861         si->si_retrynum[j] = RETRYNUM_TAIL;
3862         si->si_retryinterval[j] = 0;
3863
3864         for ( k = 0; retry_list && retry_list[k]; k++ ) {
3865                 ch_free( retry_list[k] );
3866         }
3867         ch_free( retry_list );
3868         if ( !use_default ) {
3869                 si->si_got |= GOT_RETRY;
3870         }
3871
3872         return 0;
3873 }
3874
3875 static int
3876 parse_syncrepl_line(
3877         ConfigArgs      *c,
3878         syncinfo_t      *si )
3879 {
3880         int     i;
3881         char    *val;
3882
3883         for ( i = 1; i < c->argc; i++ ) {
3884                 if ( !strncasecmp( c->argv[ i ], IDSTR "=",
3885                                         STRLENOF( IDSTR "=" ) ) )
3886                 {
3887                         int tmp;
3888                         /* '\0' string terminator accounts for '=' */
3889                         val = c->argv[ i ] + STRLENOF( IDSTR "=" );
3890                         if ( lutil_atoi( &tmp, val ) != 0 ) {
3891                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3892                                         "Error: parse_syncrepl_line: "
3893                                         "unable to parse syncrepl id \"%s\"", val );
3894                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3895                                 return -1;
3896                         }
3897                         if ( tmp > SLAP_SYNC_SID_MAX || tmp < 0 ) {
3898                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3899                                         "Error: parse_syncrepl_line: "
3900                                         "syncrepl id %d is out of range [0..4095]", tmp );
3901                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3902                                 return -1;
3903                         }
3904                         si->si_rid = tmp;
3905                         sprintf( si->si_ridtxt, IDSTR "=%03d", si->si_rid );
3906                         si->si_got |= GOT_RID;
3907                 } else if ( !strncasecmp( c->argv[ i ], PROVIDERSTR "=",
3908                                         STRLENOF( PROVIDERSTR "=" ) ) )
3909                 {
3910                         val = c->argv[ i ] + STRLENOF( PROVIDERSTR "=" );
3911                         ber_str2bv( val, 0, 1, &si->si_bindconf.sb_uri );
3912                         si->si_got |= GOT_PROVIDER;
3913                 } else if ( !strncasecmp( c->argv[ i ], SCHEMASTR "=",
3914                                         STRLENOF( SCHEMASTR "=" ) ) )
3915                 {
3916                         val = c->argv[ i ] + STRLENOF( SCHEMASTR "=" );
3917                         if ( !strncasecmp( val, "on", STRLENOF( "on" ) ) ) {
3918                                 si->si_schemachecking = 1;
3919                         } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
3920                                 si->si_schemachecking = 0;
3921                         } else {
3922                                 si->si_schemachecking = 1;
3923                         }
3924                         si->si_got |= GOT_SCHEMACHECKING;
3925                 } else if ( !strncasecmp( c->argv[ i ], FILTERSTR "=",
3926                                         STRLENOF( FILTERSTR "=" ) ) )
3927                 {
3928                         val = c->argv[ i ] + STRLENOF( FILTERSTR "=" );
3929                         if ( si->si_filterstr.bv_val )
3930                                 ch_free( si->si_filterstr.bv_val );
3931                         ber_str2bv( val, 0, 1, &si->si_filterstr );
3932                         si->si_got |= GOT_FILTER;
3933                 } else if ( !strncasecmp( c->argv[ i ], LOGFILTERSTR "=",
3934                                         STRLENOF( LOGFILTERSTR "=" ) ) )
3935                 {
3936                         val = c->argv[ i ] + STRLENOF( LOGFILTERSTR "=" );
3937                         if ( si->si_logfilterstr.bv_val )
3938                                 ch_free( si->si_logfilterstr.bv_val );
3939                         ber_str2bv( val, 0, 1, &si->si_logfilterstr );
3940                         si->si_got |= GOT_LOGFILTER;
3941                 } else if ( !strncasecmp( c->argv[ i ], SEARCHBASESTR "=",
3942                                         STRLENOF( SEARCHBASESTR "=" ) ) )
3943                 {
3944                         struct berval   bv;
3945                         int             rc;
3946
3947                         val = c->argv[ i ] + STRLENOF( SEARCHBASESTR "=" );
3948                         if ( si->si_base.bv_val ) {
3949                                 ch_free( si->si_base.bv_val );
3950                         }
3951                         ber_str2bv( val, 0, 0, &bv );
3952                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
3953                         if ( rc != LDAP_SUCCESS ) {
3954                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3955                                         "Invalid base DN \"%s\": %d (%s)",
3956                                         val, rc, ldap_err2string( rc ) );
3957                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3958                                 return -1;
3959                         }
3960                         if ( !be_issubordinate( c->be, &si->si_base ) ) {
3961                                 ch_free( si->si_base.bv_val );
3962                                 BER_BVZERO( &si->si_base );
3963                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3964                                         "Base DN \"%s\" is not within the database naming context",
3965                                         val );
3966                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3967                                 return -1;
3968                         }
3969                         si->si_got |= GOT_SEARCHBASE;
3970                 } else if ( !strncasecmp( c->argv[ i ], LOGBASESTR "=",
3971                                         STRLENOF( LOGBASESTR "=" ) ) )
3972                 {
3973                         struct berval   bv;
3974                         int             rc;
3975
3976                         val = c->argv[ i ] + STRLENOF( LOGBASESTR "=" );
3977                         if ( si->si_logbase.bv_val ) {
3978                                 ch_free( si->si_logbase.bv_val );
3979                         }
3980                         ber_str2bv( val, 0, 0, &bv );
3981                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_logbase, NULL );
3982                         if ( rc != LDAP_SUCCESS ) {
3983                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3984                                         "Invalid logbase DN \"%s\": %d (%s)",
3985                                         val, rc, ldap_err2string( rc ) );
3986                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3987                                 return -1;
3988                         }
3989                         si->si_got |= GOT_LOGBASE;
3990                 } else if ( !strncasecmp( c->argv[ i ], SCOPESTR "=",
3991                                         STRLENOF( SCOPESTR "=" ) ) )
3992                 {
3993                         int j;
3994                         val = c->argv[ i ] + STRLENOF( SCOPESTR "=" );
3995                         for ( j = 0; !BER_BVISNULL(&scopes[j].key); j++ ) {
3996                                 if (!strcasecmp( val, scopes[j].key.bv_val ) ) {
3997                                         si->si_scope = scopes[j].val;
3998                                         break;
3999                                 }
4000                         }
4001                         if ( BER_BVISNULL(&scopes[j].key) ) {
4002                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
4003                                         "Error: parse_syncrepl_line: "
4004                                         "unknown scope \"%s\"", val);
4005                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4006                                 return -1;
4007                         }
4008                         si->si_got |= GOT_SCOPE;
4009                 } else if ( !strncasecmp( c->argv[ i ], ATTRSONLYSTR,
4010                                         STRLENOF( ATTRSONLYSTR ) ) )
4011                 {
4012                         si->si_attrsonly = 1;
4013                         si->si_got |= GOT_ATTRSONLY;
4014                 } else if ( !strncasecmp( c->argv[ i ], ATTRSSTR "=",
4015                                         STRLENOF( ATTRSSTR "=" ) ) )
4016                 {
4017                         val = c->argv[ i ] + STRLENOF( ATTRSSTR "=" );
4018                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
4019                                 char *attr_fname;
4020                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
4021                                 si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
4022                                 if ( si->si_anlist == NULL ) {
4023                                         ch_free( attr_fname );
4024                                         return -1;
4025                                 }
4026                                 si->si_anfile = attr_fname;
4027                         } else {
4028                                 char *str, *s, *next;
4029                                 const char *delimstr = " ,\t";
4030                                 str = ch_strdup( val );
4031                                 for ( s = ldap_pvt_strtok( str, delimstr, &next );
4032                                                 s != NULL;
4033                                                 s = ldap_pvt_strtok( NULL, delimstr, &next ) )
4034                                 {
4035                                         if ( strlen(s) == 1 && *s == '*' ) {
4036                                                 si->si_allattrs = 1;
4037                                                 val[ s - str ] = delimstr[0];
4038                                         }
4039                                         if ( strlen(s) == 1 && *s == '+' ) {
4040                                                 si->si_allopattrs = 1;
4041                                                 val [ s - str ] = delimstr[0];
4042                                         }
4043                                 }
4044                                 ch_free( str );
4045                                 si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
4046                                 if ( si->si_anlist == NULL ) {
4047                                         return -1;
4048                                 }
4049                         }
4050                         si->si_got |= GOT_ATTRS;
4051                 } else if ( !strncasecmp( c->argv[ i ], EXATTRSSTR "=",
4052                                         STRLENOF( EXATTRSSTR "=" ) ) )
4053                 {
4054                         val = c->argv[ i ] + STRLENOF( EXATTRSSTR "=" );
4055                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
4056                                 char *attr_fname;
4057                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
4058                                 si->si_exanlist = file2anlist(
4059                                         si->si_exanlist, attr_fname, " ,\t" );
4060                                 if ( si->si_exanlist == NULL ) {
4061                                         ch_free( attr_fname );
4062                                         return -1;
4063                                 }
4064                                 ch_free( attr_fname );
4065                         } else {
4066                                 si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
4067                                 if ( si->si_exanlist == NULL ) {
4068                                         return -1;
4069                                 }
4070                         }
4071                         si->si_got |= GOT_EXATTRS;
4072                 } else if ( !strncasecmp( c->argv[ i ], TYPESTR "=",
4073                                         STRLENOF( TYPESTR "=" ) ) )
4074                 {
4075                         val = c->argv[ i ] + STRLENOF( TYPESTR "=" );
4076                         if ( !strncasecmp( val, "refreshOnly",
4077                                                 STRLENOF("refreshOnly") ) )
4078                         {
4079                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
4080                         } else if ( !strncasecmp( val, "refreshAndPersist",
4081                                                 STRLENOF("refreshAndPersist") ) )
4082                         {
4083                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_AND_PERSIST;
4084                                 si->si_interval = 60;
4085                         } else {
4086                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
4087                                         "Error: parse_syncrepl_line: "
4088                                         "unknown sync type \"%s\"", val);
4089                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4090                                 return -1;
4091                         }
4092                         si->si_got |= GOT_TYPE;
4093                 } else if ( !strncasecmp( c->argv[ i ], INTERVALSTR "=",
4094                                         STRLENOF( INTERVALSTR "=" ) ) )
4095                 {
4096                         val = c->argv[ i ] + STRLENOF( INTERVALSTR "=" );
4097                         if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
4098                                 si->si_interval = 0;
4099                         } else if ( strchr( val, ':' ) != NULL ) {
4100                                 char *next, *ptr = val;
4101                                 int dd, hh, mm, ss;
4102
4103                                 dd = strtol( ptr, &next, 10 );
4104                                 if ( next == ptr || next[0] != ':' || dd < 0 ) {
4105                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
4106                                                 "Error: parse_syncrepl_line: "
4107                                                 "invalid interval \"%s\", unable to parse days", val );
4108                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4109                                         return -1;
4110                                 }
4111                                 ptr = next + 1;
4112                                 hh = strtol( ptr, &next, 10 );
4113                                 if ( next == ptr || next[0] != ':' || hh < 0 || hh > 24 ) {
4114                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
4115                                                 "Error: parse_syncrepl_line: "
4116                                                 "invalid interval \"%s\", unable to parse hours", val );
4117                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4118                                         return -1;
4119                                 }
4120                                 ptr = next + 1;
4121                                 mm = strtol( ptr, &next, 10 );
4122                                 if ( next == ptr || next[0] != ':' || mm < 0 || mm > 60 ) {
4123                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
4124                                                 "Error: parse_syncrepl_line: "
4125                                                 "invalid interval \"%s\", unable to parse minutes", val );
4126                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4127                                         return -1;
4128                                 }
4129                                 ptr = next + 1;
4130                                 ss = strtol( ptr, &next, 10 );
4131                                 if ( next == ptr || next[0] != '\0' || ss < 0 || ss > 60 ) {
4132                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
4133                                                 "Error: parse_syncrepl_line: "
4134                                                 "invalid interval \"%s\", unable to parse seconds", val );
4135                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4136                                         return -1;
4137                                 }
4138                                 si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
4139                         } else {
4140                                 unsigned long   t;
4141
4142                                 if ( lutil_parse_time( val, &t ) != 0 ) {
4143                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
4144                                                 "Error: parse_syncrepl_line: "
4145                                                 "invalid interval \"%s\"", val );
4146                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4147                                         return -1;
4148                                 }
4149                                 si->si_interval = (time_t)t;
4150                         }
4151                         if ( si->si_interval < 0 ) {
4152                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
4153                                         "Error: parse_syncrepl_line: "
4154                                         "invalid interval \"%ld\"",
4155                                         (long) si->si_interval);
4156                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4157                                 return -1;
4158                         }
4159                         si->si_got |= GOT_INTERVAL;
4160                 } else if ( !strncasecmp( c->argv[ i ], RETRYSTR "=",
4161                                         STRLENOF( RETRYSTR "=" ) ) )
4162                 {
4163                         if ( parse_syncrepl_retry( c, c->argv[ i ], si ) ) {
4164                                 return 1;
4165                         }
4166                 } else if ( !strncasecmp( c->argv[ i ], MANAGEDSAITSTR "=",
4167                                         STRLENOF( MANAGEDSAITSTR "=" ) ) )
4168                 {
4169                         val = c->argv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
4170                         if ( lutil_atoi( &si->si_manageDSAit, val ) != 0
4171                                 || si->si_manageDSAit < 0 || si->si_manageDSAit > 1 )
4172                         {
4173                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
4174                                         "invalid manageDSAit value \"%s\".\n",
4175                                         val );
4176                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4177                                 return 1;
4178                         }
4179                         si->si_got |= GOT_MANAGEDSAIT;
4180                 } else if ( !strncasecmp( c->argv[ i ], SLIMITSTR "=",
4181                                         STRLENOF( SLIMITSTR "=") ) )
4182                 {
4183                         val = c->argv[ i ] + STRLENOF( SLIMITSTR "=" );
4184                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
4185                                 si->si_slimit = 0;
4186
4187                         } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || si->si_slimit < 0 ) {
4188                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
4189                                         "invalid size limit value \"%s\".\n",
4190                                         val );
4191                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4192                                 return 1;
4193                         }
4194                         si->si_got |= GOT_SLIMIT;
4195                 } else if ( !strncasecmp( c->argv[ i ], TLIMITSTR "=",
4196                                         STRLENOF( TLIMITSTR "=" ) ) )
4197                 {
4198                         val = c->argv[ i ] + STRLENOF( TLIMITSTR "=" );
4199                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
4200                                 si->si_tlimit = 0;
4201
4202                         } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || si->si_tlimit < 0 ) {
4203                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
4204                                         "invalid time limit value \"%s\".\n",
4205                                         val );
4206                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4207                                 return 1;
4208                         }
4209                         si->si_got |= GOT_TLIMIT;
4210                 } else if ( !strncasecmp( c->argv[ i ], SYNCDATASTR "=",
4211                                         STRLENOF( SYNCDATASTR "=" ) ) )
4212                 {
4213                         val = c->argv[ i ] + STRLENOF( SYNCDATASTR "=" );
4214                         si->si_syncdata = verb_to_mask( val, datamodes );
4215                         si->si_got |= GOT_SYNCDATA;
4216                 } else if ( bindconf_parse( c->argv[i], &si->si_bindconf ) ) {
4217                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
4218                                 "Error: parse_syncrepl_line: "
4219                                 "unable to parse \"%s\"\n", c->argv[ i ] );
4220                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4221                         return -1;
4222                 }
4223                 si->si_got |= GOT_BINDCONF;
4224         }
4225
4226         if ( ( si->si_got & GOT_REQUIRED ) != GOT_REQUIRED ) {
4227                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
4228                         "Error: Malformed \"syncrepl\" line in slapd config file, missing%s%s%s",
4229                         si->si_got & GOT_RID ? "" : " "IDSTR,
4230                         si->si_got & GOT_PROVIDER ? "" : " "PROVIDERSTR,
4231                         si->si_got & GOT_SEARCHBASE ? "" : " "SEARCHBASESTR );
4232                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
4233                 return -1;
4234         }
4235
4236         if ( !( si->si_got & GOT_RETRY ) ) {
4237                 Debug( LDAP_DEBUG_ANY, "syncrepl %s " SEARCHBASESTR "=\"%s\": no retry defined, using default\n",
4238                         si->si_ridtxt, c->be->be_suffix ? c->be->be_suffix[ 0 ].bv_val : "(null)", 0 );
4239                 if ( si->si_retryinterval == NULL ) {
4240                         if ( parse_syncrepl_retry( c, "retry=undefined", si ) ) {
4241                                 return 1;
4242                         }
4243                 }
4244         }
4245
4246         return 0;
4247 }
4248
4249 static int
4250 add_syncrepl(
4251         ConfigArgs *c )
4252 {
4253         syncinfo_t *si;
4254         int     rc = 0;
4255
4256         if ( !( c->be->be_search && c->be->be_add && c->be->be_modify && c->be->be_delete ) ) {
4257                 snprintf( c->cr_msg, sizeof(c->cr_msg), "database %s does not support "
4258                         "operations required for syncrepl", c->be->be_type );
4259                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg, 0 );
4260                 return 1;
4261         }
4262         if ( BER_BVISEMPTY( &c->be->be_rootdn ) ) {
4263                 strcpy( c->cr_msg, "rootDN must be defined before syncrepl may be used" );
4264                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg, 0 );
4265                 return 1;
4266         }
4267         si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
4268
4269         if ( si == NULL ) {
4270                 Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
4271                 return 1;
4272         }
4273
4274         si->si_bindconf.sb_tls = SB_TLS_OFF;
4275         si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
4276         si->si_schemachecking = 0;
4277         ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
4278                 &si->si_filterstr );
4279         si->si_base.bv_val = NULL;
4280         si->si_scope = LDAP_SCOPE_SUBTREE;
4281         si->si_attrsonly = 0;
4282         si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
4283         si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
4284         si->si_attrs = NULL;
4285         si->si_allattrs = 0;
4286         si->si_allopattrs = 0;
4287         si->si_exattrs = NULL;
4288         si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
4289         si->si_interval = 86400;
4290         si->si_retryinterval = NULL;
4291         si->si_retrynum_init = NULL;
4292         si->si_retrynum = NULL;
4293         si->si_manageDSAit = 0;
4294         si->si_tlimit = 0;
4295         si->si_slimit = 0;
4296
4297         si->si_presentlist = NULL;
4298         LDAP_LIST_INIT( &si->si_nonpresentlist );
4299         ldap_pvt_thread_mutex_init( &si->si_mutex );
4300
4301         rc = parse_syncrepl_line( c, si );
4302
4303         if ( rc == 0 ) {
4304                 /* Must be LDAPv3 because we need controls */
4305                 switch ( si->si_bindconf.sb_version ) {
4306                 case 0:
4307                         /* not explicitly set */
4308                         si->si_bindconf.sb_version = LDAP_VERSION3;
4309                         break;
4310                 case 3:
4311                         /* explicitly set */
4312                         break;
4313                 default:
4314                         Debug( LDAP_DEBUG_ANY,
4315                                 "version %d incompatible with syncrepl\n",
4316                                 si->si_bindconf.sb_version, 0, 0 );
4317                         syncinfo_free( si, 0 );
4318                         return 1;
4319                 }
4320
4321                 si->si_be = c->be;
4322                 if ( slapMode & SLAP_SERVER_MODE ) {
4323                         Listener **l = slapd_get_listeners();
4324                         int isMe = 0;
4325
4326                         /* check if URL points to current server. If so, ignore
4327                          * this configuration. We require an exact match. Just
4328                          * in case they really want to do this, they can vary
4329                          * the case of the URL to allow it.
4330                          */
4331                         if ( l && !SLAP_DBHIDDEN( c->be ) ) {
4332                                 int i;
4333                                 for ( i=0; l[i]; i++ ) {
4334                                         if ( bvmatch( &l[i]->sl_url, &si->si_bindconf.sb_uri ) ) {
4335                                                 isMe = 1;
4336                                                 break;
4337                                         }
4338                                 }
4339                         }
4340
4341                         if ( !isMe ) {
4342                                 init_syncrepl( si );
4343                                 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
4344                                 si->si_re = ldap_pvt_runqueue_insert( &slapd_rq,
4345                                         si->si_interval, do_syncrepl, si, "do_syncrepl",
4346                                         si->si_ridtxt );
4347                                 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
4348                                 if ( si->si_re )
4349                                         rc = config_sync_shadow( c ) ? -1 : 0;
4350                                 else
4351                                         rc = -1;
4352                         }
4353                 } else {
4354                         /* mirrormode still needs to see this flag in tool mode */
4355                         rc = config_sync_shadow( c ) ? -1 : 0;
4356                 }
4357         }
4358
4359 #ifdef HAVE_TLS
4360         /* Use main slapd defaults */
4361         bindconf_tls_defaults( &si->si_bindconf );
4362 #endif
4363         if ( rc < 0 ) {
4364                 Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
4365                 syncinfo_free( si, 0 );
4366                 return 1;
4367         } else {
4368                 Debug( LDAP_DEBUG_CONFIG,
4369                         "Config: ** successfully added syncrepl \"%s\"\n",
4370                         BER_BVISNULL( &si->si_bindconf.sb_uri ) ?
4371                         "(null)" : si->si_bindconf.sb_uri.bv_val, 0, 0 );
4372                 if ( c->be->be_syncinfo ) {
4373                         syncinfo_t *sip;
4374
4375                         si->si_cookieState = c->be->be_syncinfo->si_cookieState;
4376
4377                         // add new syncrepl to end of list (same order as when deleting)
4378                         for ( sip = c->be->be_syncinfo; sip->si_next; sip = sip->si_next );
4379                         sip->si_next = si;
4380                 } else {
4381                         si->si_cookieState = ch_calloc( 1, sizeof( cookie_state ));
4382                         ldap_pvt_thread_mutex_init( &si->si_cookieState->cs_mutex );
4383
4384                         c->be->be_syncinfo = si;
4385                 }
4386
4387                 si->si_next = NULL;
4388
4389                 return 0;
4390         }
4391 }
4392
4393 static void
4394 syncrepl_unparse( syncinfo_t *si, struct berval *bv )
4395 {
4396         struct berval bc, uri;
4397         char buf[BUFSIZ*2], *ptr;
4398         ber_len_t len;
4399         int i;
4400 #       define WHATSLEFT        ((ber_len_t) (&buf[sizeof( buf )] - ptr))
4401
4402         BER_BVZERO( bv );
4403
4404         /* temporarily inhibit bindconf from printing URI */
4405         uri = si->si_bindconf.sb_uri;
4406         BER_BVZERO( &si->si_bindconf.sb_uri );
4407         si->si_bindconf.sb_version = 0;
4408         bindconf_unparse( &si->si_bindconf, &bc );
4409         si->si_bindconf.sb_uri = uri;
4410         si->si_bindconf.sb_version = LDAP_VERSION3;
4411
4412         ptr = buf;
4413         assert( si->si_rid >= 0 && si->si_rid <= SLAP_SYNC_SID_MAX );
4414         len = snprintf( ptr, WHATSLEFT, IDSTR "=%03d " PROVIDERSTR "=%s",
4415                 si->si_rid, si->si_bindconf.sb_uri.bv_val );
4416         if ( len >= sizeof( buf ) ) return;
4417         ptr += len;
4418         if ( !BER_BVISNULL( &bc ) ) {
4419                 if ( WHATSLEFT <= bc.bv_len ) {
4420                         free( bc.bv_val );
4421                         return;
4422                 }
4423                 ptr = lutil_strcopy( ptr, bc.bv_val );
4424                 free( bc.bv_val );
4425         }
4426         if ( !BER_BVISEMPTY( &si->si_filterstr ) ) {
4427                 if ( WHATSLEFT <= STRLENOF( " " FILTERSTR "=\"" "\"" ) + si->si_filterstr.bv_len ) return;
4428                 ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
4429                 ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
4430                 *ptr++ = '"';
4431         }
4432         if ( !BER_BVISNULL( &si->si_base ) ) {
4433                 if ( WHATSLEFT <= STRLENOF( " " SEARCHBASESTR "=\"" "\"" ) + si->si_base.bv_len ) return;
4434                 ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
4435                 ptr = lutil_strcopy( ptr, si->si_base.bv_val );
4436                 *ptr++ = '"';
4437         }
4438         if ( !BER_BVISEMPTY( &si->si_logfilterstr ) ) {
4439                 if ( WHATSLEFT <= STRLENOF( " " LOGFILTERSTR "=\"" "\"" ) + si->si_logfilterstr.bv_len ) return;
4440                 ptr = lutil_strcopy( ptr, " " LOGFILTERSTR "=\"" );
4441                 ptr = lutil_strcopy( ptr, si->si_logfilterstr.bv_val );
4442                 *ptr++ = '"';
4443         }
4444         if ( !BER_BVISNULL( &si->si_logbase ) ) {
4445                 if ( WHATSLEFT <= STRLENOF( " " LOGBASESTR "=\"" "\"" ) + si->si_logbase.bv_len ) return;
4446                 ptr = lutil_strcopy( ptr, " " LOGBASESTR "=\"" );
4447                 ptr = lutil_strcopy( ptr, si->si_logbase.bv_val );
4448                 *ptr++ = '"';
4449         }
4450         for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
4451                 if ( si->si_scope == scopes[i].val ) {
4452                         if ( WHATSLEFT <= STRLENOF( " " SCOPESTR "=" ) + scopes[i].key.bv_len ) return;
4453                         ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
4454                         ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
4455                         break;
4456                 }
4457         }
4458         if ( si->si_attrsonly ) {
4459                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
4460                 ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR );
4461         }
4462         if ( si->si_anfile ) {
4463                 if ( WHATSLEFT <= STRLENOF( " " ATTRSSTR "=\":include:" "\"" ) + strlen( si->si_anfile ) ) return;
4464                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:\"" );
4465                 ptr = lutil_strcopy( ptr, si->si_anfile );
4466                 *ptr++ = '"';
4467         } else if ( si->si_allattrs || si->si_allopattrs ||
4468                 ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) ) )
4469         {
4470                 char *old;
4471
4472                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
4473                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
4474                 old = ptr;
4475                 ptr = anlist_unparse( si->si_anlist, ptr, WHATSLEFT );
4476                 if ( ptr == NULL ) return;
4477                 if ( si->si_allattrs ) {
4478                         if ( WHATSLEFT <= STRLENOF( ",*\"" ) ) return;
4479                         if ( old != ptr ) *ptr++ = ',';
4480                         *ptr++ = '*';
4481                 }
4482                 if ( si->si_allopattrs ) {
4483                         if ( WHATSLEFT <= STRLENOF( ",+\"" ) ) return;
4484                         if ( old != ptr ) *ptr++ = ',';
4485                         *ptr++ = '+';
4486                 }
4487                 *ptr++ = '"';
4488         }
4489         if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
4490                 if ( WHATSLEFT <= STRLENOF( " " EXATTRSSTR "=" ) ) return;
4491                 ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
4492                 ptr = anlist_unparse( si->si_exanlist, ptr, WHATSLEFT );
4493                 if ( ptr == NULL ) return;
4494         }
4495         if ( WHATSLEFT <= STRLENOF( " " SCHEMASTR "=" ) + STRLENOF( "off" ) ) return;
4496         ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
4497         ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
4498
4499         if ( WHATSLEFT <= STRLENOF( " " TYPESTR "=" ) + STRLENOF( "refreshAndPersist" ) ) return;
4500         ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
4501         ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
4502                 "refreshAndPersist" : "refreshOnly" );
4503
4504         if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
4505                 int dd, hh, mm, ss;
4506
4507                 dd = si->si_interval;
4508                 ss = dd % 60;
4509                 dd /= 60;
4510                 mm = dd % 60;
4511                 dd /= 60;
4512                 hh = dd % 24;
4513                 dd /= 24;
4514                 len = snprintf( ptr, WHATSLEFT, " %s=%02d:%02d:%02d:%02d",
4515                         INTERVALSTR, dd, hh, mm, ss );
4516                 if ( len >= WHATSLEFT ) return;
4517                 ptr += len;
4518         }
4519
4520         if ( si->si_got & GOT_RETRY ) {
4521                 const char *space = "";
4522                 if ( WHATSLEFT <= STRLENOF( " " RETRYSTR "=\"" "\"" ) ) return;
4523                 ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
4524                 for (i=0; si->si_retryinterval[i]; i++) {
4525                         len = snprintf( ptr, WHATSLEFT, "%s%ld ", space,
4526                                 (long) si->si_retryinterval[i] );
4527                         space = " ";
4528                         if ( WHATSLEFT - 1 <= len ) return;
4529                         ptr += len;
4530                         if ( si->si_retrynum_init[i] == RETRYNUM_FOREVER )
4531                                 *ptr++ = '+';
4532                         else {
4533                                 len = snprintf( ptr, WHATSLEFT, "%d", si->si_retrynum_init[i] );
4534                                 if ( WHATSLEFT <= len ) return;
4535                                 ptr += len;
4536                         }
4537                 }
4538                 if ( WHATSLEFT <= STRLENOF( "\"" ) ) return;
4539                 *ptr++ = '"';
4540         } else {
4541                 ptr = lutil_strcopy( ptr, " " RETRYSTR "=undefined" );
4542         }
4543
4544         if ( si->si_slimit ) {
4545                 len = snprintf( ptr, WHATSLEFT, " " SLIMITSTR "=%d", si->si_slimit );
4546                 if ( WHATSLEFT <= len ) return;
4547                 ptr += len;
4548         }
4549
4550         if ( si->si_tlimit ) {
4551                 len = snprintf( ptr, WHATSLEFT, " " TLIMITSTR "=%d", si->si_tlimit );
4552                 if ( WHATSLEFT <= len ) return;
4553                 ptr += len;
4554         }
4555
4556         if ( si->si_syncdata ) {
4557                 if ( enum_to_verb( datamodes, si->si_syncdata, &bc ) >= 0 ) {
4558                         if ( WHATSLEFT <= STRLENOF( " " SYNCDATASTR "=" ) + bc.bv_len ) return;
4559                         ptr = lutil_strcopy( ptr, " " SYNCDATASTR "=" );
4560                         ptr = lutil_strcopy( ptr, bc.bv_val );
4561                 }
4562         }
4563         bc.bv_len = ptr - buf;
4564         bc.bv_val = buf;
4565         ber_dupbv( bv, &bc );
4566 }
4567
4568 int
4569 syncrepl_config( ConfigArgs *c )
4570 {
4571         if (c->op == SLAP_CONFIG_EMIT) {
4572                 if ( c->be->be_syncinfo ) {
4573                         struct berval bv;
4574                         syncinfo_t *si;
4575
4576                         for ( si = c->be->be_syncinfo; si; si=si->si_next ) {
4577                                 syncrepl_unparse( si, &bv );
4578                                 ber_bvarray_add( &c->rvalue_vals, &bv );
4579                         }
4580                         return 0;
4581                 }
4582                 return 1;
4583         } else if ( c->op == LDAP_MOD_DELETE ) {
4584                 cookie_state *cs = NULL;
4585                 int isrunning = 0;
4586                 if ( c->be->be_syncinfo ) {
4587                         syncinfo_t *si, **sip;
4588                         int i;
4589
4590                         cs = c->be->be_syncinfo->si_cookieState;
4591                         for ( sip = &c->be->be_syncinfo, i=0; *sip; i++ ) {
4592                                 si = *sip;
4593                                 if ( c->valx == -1 || i == c->valx ) {
4594                                         *sip = si->si_next;
4595                                         /* If the task is currently active, we have to leave
4596                                          * it running. It will exit on its own. This will only
4597                                          * happen when running on the cn=config DB.
4598                                          */
4599                                         if ( si->si_re ) {
4600                                                 Connection *c;
4601                                                 if ( ldap_pvt_thread_mutex_trylock( &si->si_mutex ))
4602                                                         isrunning = 1;
4603                                                 c = si->si_conn;
4604                                                 si->si_conn = NULL;
4605                                                 if ( c )
4606                                                         connection_client_stop( c );
4607                                                 if ( !isrunning )
4608                                                         ldap_pvt_thread_mutex_unlock( &si->si_mutex );
4609                                         }
4610                                         if ( si->si_re && isrunning ) {
4611                                                 si->si_ctype = 0;
4612                                                 si->si_next = NULL;
4613                                         } else {
4614                                                 syncinfo_free( si, 0 );
4615                                         }
4616                                         if ( i == c->valx )
4617                                                 break;
4618                                 } else {
4619                                         sip = &si->si_next;
4620                                 }
4621                         }
4622                 }
4623                 if ( !c->be->be_syncinfo ) {
4624                         SLAP_DBFLAGS( c->be ) &= ~SLAP_DBFLAG_SHADOW_MASK;
4625                         if ( cs && !isrunning ) {
4626                                 ch_free( cs->cs_sids );
4627                                 ber_bvarray_free( cs->cs_vals );
4628                                 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
4629                                 ch_free( cs );
4630                         }
4631                 }
4632                 return 0;
4633         }
4634         if ( SLAP_SLURP_SHADOW( c->be ) ) {
4635                 Debug(LDAP_DEBUG_ANY, "%s: "
4636                         "syncrepl: database already shadowed.\n",
4637                         c->log, 0, 0);
4638                 return(1);
4639         } else {
4640                 return add_syncrepl( c );
4641         }
4642 }