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

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