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                 /* Append modlist for operational attrs */
1329                 {
1330                         Modifications *m;
1331
1332                         for ( m = op->orr_modlist; m->sml_next; m = m->sml_next ) ;
1333                         m->sml_next = modlist;
1334                         modlist = NULL;
1335                 }
1336                 rc = op->o_bd->be_modrdn( op, &rs );
1337                 slap_mods_free( op->orr_modlist, 1 );
1338                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1339                         "syncrepl_message_to_op: rid %03ld be_modrdn %s (%d)\n",
1340                         si->si_rid, op->o_req_dn.bv_val, rc );
1341                 break;
1342         case LDAP_REQ_DELETE:
1343                 rc = op->o_bd->be_delete( op, &rs );
1344                 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1345                         "syncrepl_message_to_op: rid %03ld be_delete %s (%d)\n",
1346                         si->si_rid, op->o_req_dn.bv_val, rc );
1347                 break;
1348         }
1349 done:
1350         slap_graduate_commit_csn( op );
1351         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
1352         BER_BVZERO( &op->o_csn );
1353         if ( modlist )
1354                 slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
1355         if ( !BER_BVISNULL( &rdn )) {
1356                 if ( !BER_BVISNULL( &nsup ))
1357                         ch_free( nsup.bv_val );
1358                 if ( !BER_BVISNULL( &psup ))
1359                         ch_free( psup.bv_val );
1360                 if ( !BER_BVISNULL( &nrdn ))
1361                         ch_free( nrdn.bv_val );
1362                 if ( !BER_BVISNULL( &prdn ))
1363                         ch_free( prdn.bv_val );
1364         }
1365         if ( freeReqDn ) {
1366                 ch_free( op->o_req_ndn.bv_val );
1367                 ch_free( op->o_req_dn.bv_val );
1368         }
1369         ber_free ( ber, 0 );
1370         return rc;
1371 }
1372
1373 static int
1374 syncrepl_message_to_entry(
1375         syncinfo_t      *si,
1376         Operation       *op,
1377         LDAPMessage     *msg,
1378         Modifications   **modlist,
1379         Entry                   **entry,
1380         int             syncstate
1381 )
1382 {
1383         Entry           *e = NULL;
1384         BerElement      *ber = NULL;
1385         Modifications   tmp;
1386         Modifications   *mod;
1387         Modifications   **modtail = modlist;
1388
1389         const char      *text;
1390         char txtbuf[SLAP_TEXT_BUFLEN];
1391         size_t textlen = sizeof txtbuf;
1392
1393         struct berval   bdn = BER_BVNULL, dn, ndn;
1394         int             rc;
1395
1396         *modlist = NULL;
1397
1398         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1399                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: rid %03ld "
1400                         "Message type should be entry (%d)",
1401                         si->si_rid, ldap_msgtype( msg ), 0 );
1402                 return -1;
1403         }
1404
1405         op->o_tag = LDAP_REQ_ADD;
1406
1407         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1408         if ( rc != LDAP_SUCCESS ) {
1409                 Debug( LDAP_DEBUG_ANY,
1410                         "syncrepl_message_to_entry: rid %03ld dn get failed (%d)",
1411                         si->si_rid, rc, 0 );
1412                 return rc;
1413         }
1414
1415         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1416         ber_dupbv( &op->o_req_dn, &dn );
1417         ber_dupbv( &op->o_req_ndn, &ndn );
1418         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1419         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1420
1421         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1422                 /* NOTE: this could be done even before decoding the DN,
1423                  * although encoding errors wouldn't be detected */
1424                 rc = LDAP_SUCCESS;
1425                 goto done;
1426         }
1427
1428         if ( entry == NULL ) {
1429                 rc = -1;
1430                 goto done;
1431         }
1432
1433         e = entry_alloc();
1434         e->e_name = op->o_req_dn;
1435         e->e_nname = op->o_req_ndn;
1436
1437         while ( ber_remaining( ber ) ) {
1438                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1439                         LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) )
1440                 {
1441                         break;
1442                 }
1443
1444                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ));
1445
1446                 mod->sml_op = LDAP_MOD_REPLACE;
1447                 mod->sml_flags = 0;
1448                 mod->sml_next = NULL;
1449                 mod->sml_desc = NULL;
1450                 mod->sml_type = tmp.sml_type;
1451                 mod->sml_values = tmp.sml_values;
1452                 mod->sml_nvalues = NULL;
1453
1454                 *modtail = mod;
1455                 modtail = &mod->sml_next;
1456         }
1457
1458         if ( *modlist == NULL ) {
1459                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: rid %03ld no attributes\n",
1460                         si->si_rid, 0, 0 );
1461                 rc = -1;
1462                 goto done;
1463         }
1464
1465         rc = slap_mods_check( op, *modlist, &text, txtbuf, textlen, NULL );
1466
1467         if ( rc != LDAP_SUCCESS ) {
1468                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: rid %03ld mods check (%s)\n",
1469                         si->si_rid, text, 0 );
1470                 goto done;
1471         }
1472
1473         /* Strip out dynamically generated attrs */
1474         for ( modtail = modlist; *modtail ; ) {
1475                 mod = *modtail;
1476                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1477                         *modtail = mod->sml_next;
1478                         slap_mod_free( &mod->sml_mod, 0 );
1479                         ch_free( mod );
1480                 } else {
1481                         modtail = &mod->sml_next;
1482                 }
1483         }
1484
1485         /* Strip out attrs in exattrs list */
1486         for ( modtail = modlist; *modtail ; ) {
1487                 mod = *modtail;
1488                 if ( ldap_charray_inlist( si->si_exattrs,
1489                                         mod->sml_desc->ad_type->sat_cname.bv_val )) {
1490                         *modtail = mod->sml_next;
1491                         slap_mod_free( &mod->sml_mod, 0 );
1492                         ch_free( mod );
1493                 } else {
1494                         modtail = &mod->sml_next;
1495                 }
1496         }
1497
1498         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1499         if( rc != LDAP_SUCCESS ) {
1500                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: rid %03ld mods2entry (%s)\n",
1501                         si->si_rid, text, 0 );
1502         }
1503
1504 done:
1505         ber_free( ber, 0 );
1506         if ( rc != LDAP_SUCCESS ) {
1507                 if ( e ) {
1508                         entry_free( e );
1509                         e = NULL;
1510                 }
1511         }
1512         *entry = e;
1513
1514         return rc;
1515 }
1516
1517 static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
1518
1519 /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
1520  * entry if a previous refresh was interrupted before sending us a new
1521  * context state. We try to compare the new entry to the existing entry
1522  * and ignore the new entry if they are the same.
1523  *
1524  * Also, we may get an update where the entryDN has changed, due to
1525  * a ModDn on the provider. We detect this as well, so we can issue
1526  * the corresponding operation locally.
1527  *
1528  * In the case of a modify, we get a list of all the attributes
1529  * in the original entry. Rather than deleting the entry and re-adding it,
1530  * we issue a Modify request that deletes all the attributes and adds all
1531  * the new ones. This avoids the issue of trying to delete/add a non-leaf
1532  * entry.
1533  *
1534  * We otherwise distinguish ModDN from Modify; in the case of
1535  * a ModDN we just use the CSN, modifyTimestamp and modifiersName
1536  * operational attributes from the entry, and do a regular ModDN.
1537  */
1538 typedef struct dninfo {
1539         Entry *new_entry;
1540         struct berval dn;
1541         struct berval ndn;
1542         int renamed;    /* Was an existing entry renamed? */
1543         int delOldRDN;  /* Was old RDN deleted? */
1544         Modifications **modlist;        /* the modlist we received */
1545         Modifications *mods;    /* the modlist we compared */
1546 } dninfo;
1547
1548 static int
1549 syncrepl_entry(
1550         syncinfo_t* si,
1551         Operation *op,
1552         Entry* entry,
1553         Modifications** modlist,
1554         int syncstate,
1555         struct berval* syncUUID,
1556         struct sync_cookie* syncCookie_req,
1557         struct berval* syncCSN )
1558 {
1559         Backend *be = op->o_bd;
1560         slap_callback   cb = { NULL, NULL, NULL, NULL };
1561         struct berval   *syncuuid_bv = NULL;
1562         struct berval   syncUUID_strrep = BER_BVNULL;
1563         struct berval   uuid_bv = BER_BVNULL;
1564
1565         SlapReply       rs_search = {REP_RESULT};
1566         SlapReply       rs_delete = {REP_RESULT};
1567         SlapReply       rs_add = {REP_RESULT};
1568         SlapReply       rs_modify = {REP_RESULT};
1569         Filter f = {0};
1570 #ifdef LDAP_COMP_MATCH
1571         AttributeAssertion ava = { NULL, BER_BVNULL, NULL };
1572 #else
1573         AttributeAssertion ava = { NULL, BER_BVNULL };
1574 #endif
1575         int rc = LDAP_SUCCESS;
1576
1577         struct berval pdn = BER_BVNULL;
1578         dninfo dni = {0};
1579         int     retry = 1;
1580
1581         switch( syncstate ) {
1582         case LDAP_SYNC_PRESENT:
1583                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: rid %03ld %s\n",
1584                                         si->si_rid,
1585                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_PRESENT)", 0 );
1586                 break;
1587         case LDAP_SYNC_ADD:
1588                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: rid %03ld %s\n",
1589                                         si->si_rid,
1590                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD)", 0 );
1591                 break;
1592         case LDAP_SYNC_DELETE:
1593                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: rid %03ld %s\n",
1594                                         si->si_rid,
1595                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_DELETE)", 0 );
1596                 break;
1597         case LDAP_SYNC_MODIFY:
1598                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: rid %03ld %s\n",
1599                                         si->si_rid,
1600                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_MODIFY)", 0 );
1601                 break;
1602         default:
1603                 Debug( LDAP_DEBUG_ANY, "syncrepl_entry: rid %03ld %s\n",
1604                                         si->si_rid,
1605                                         "LDAP_RES_SEARCH_ENTRY(UNKNOWN syncstate)", 0 );
1606         }
1607
1608         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD )) {
1609                 if ( !si->si_refreshPresent ) {
1610                         syncuuid_bv = ber_dupbv( NULL, syncUUID );
1611                         avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1612                                 syncuuid_cmp, avl_dup_error );
1613                 }
1614         }
1615
1616         if ( syncstate == LDAP_SYNC_PRESENT ) {
1617                 return 0;
1618         } else if ( syncstate != LDAP_SYNC_DELETE ) {
1619                 if ( entry == NULL ) {
1620                         return 0;
1621                 }
1622         }
1623
1624         (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1625         if ( syncstate != LDAP_SYNC_DELETE ) {
1626                 Attribute       *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID );
1627
1628                 if ( a == NULL ) {
1629                         /* add if missing */
1630                         attr_merge_one( entry, slap_schema.si_ad_entryUUID,
1631                                 &syncUUID_strrep, syncUUID );
1632
1633                 } else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) {
1634                         /* replace only if necessary */
1635                         if ( a->a_nvals != a->a_vals ) {
1636                                 ber_memfree( a->a_nvals[0].bv_val );
1637                                 ber_dupbv( &a->a_nvals[0], syncUUID );
1638                         }
1639                         ber_memfree( a->a_vals[0].bv_val );
1640                         ber_dupbv( &a->a_vals[0], &syncUUID_strrep );
1641                 }
1642         }
1643
1644         f.f_choice = LDAP_FILTER_EQUALITY;
1645         f.f_ava = &ava;
1646         ava.aa_desc = slap_schema.si_ad_entryUUID;
1647         ava.aa_value = *syncUUID;
1648
1649         if ( syncuuid_bv ) {
1650                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: rid %03ld inserted UUID %s\n",
1651                         si->si_rid, syncUUID_strrep.bv_val, 0 );
1652         }
1653         op->ors_filter = &f;
1654
1655         op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID_strrep.bv_len;
1656         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
1657                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1658         AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) );
1659         AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )],
1660                 syncUUID_strrep.bv_val, syncUUID_strrep.bv_len );
1661         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
1662         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1663
1664         op->o_tag = LDAP_REQ_SEARCH;
1665         op->ors_scope = LDAP_SCOPE_SUBTREE;
1666         op->ors_deref = LDAP_DEREF_NEVER;
1667
1668         /* get the entry for this UUID */
1669         op->o_req_dn = si->si_base;
1670         op->o_req_ndn = si->si_base;
1671
1672         op->o_time = slap_get_time();
1673         op->ors_tlimit = SLAP_NO_LIMIT;
1674         op->ors_slimit = 1;
1675
1676         op->ors_attrs = slap_anlist_all_attributes;
1677         op->ors_attrsonly = 0;
1678
1679         /* set callback function */
1680         op->o_callback = &cb;
1681         cb.sc_response = dn_callback;
1682         cb.sc_private = &dni;
1683         dni.new_entry = entry;
1684         dni.modlist = modlist;
1685
1686         if ( limits_check( op, &rs_search ) == 0 ) {
1687                 rc = be->be_search( op, &rs_search );
1688                 Debug( LDAP_DEBUG_SYNC,
1689                                 "syncrepl_entry: rid %03ld be_search (%d)\n",
1690                                 si->si_rid, rc, 0 );
1691         }
1692
1693         if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
1694                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1695         }
1696
1697         cb.sc_response = null_callback;
1698         cb.sc_private = si;
1699
1700         if ( entry && !BER_BVISNULL( &entry->e_name ) ) {
1701                 Debug( LDAP_DEBUG_SYNC,
1702                                 "syncrepl_entry: rid %03ld %s\n",
1703                                 si->si_rid, entry->e_name.bv_val, 0 );
1704         } else {
1705                 Debug( LDAP_DEBUG_SYNC,
1706                                 "syncrepl_entry: rid %03ld %s\n",
1707                                 si->si_rid, dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0 );
1708         }
1709
1710         /* Don't save the contextCSN on the inooming context entry,
1711          * we'll write it when syncrepl_updateCookie eventually
1712          * gets called. (ITS#4622)
1713          */
1714         if ( syncstate == LDAP_SYNC_ADD && dn_match( &entry->e_nname,
1715                 &be->be_nsuffix[0] )) {
1716                 Attribute *a, **ap;
1717                 for ( ap = &entry->e_attrs; *ap; ap=&(*ap)->a_next ) {
1718                         a = *ap;
1719                         if ( a->a_desc == slap_schema.si_ad_contextCSN ) {
1720                                 *ap = a->a_next;
1721                                 attr_free( a );
1722                                 break;
1723                         }
1724                 }
1725         }
1726
1727         slap_op_time( &op->o_time, &op->o_tincr );
1728         switch ( syncstate ) {
1729         case LDAP_SYNC_ADD:
1730         case LDAP_SYNC_MODIFY:
1731                 {
1732                         Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN );
1733                         if ( a ) {
1734                                 /* FIXME: op->o_csn is assumed to be
1735                                  * on the thread's slab; this needs
1736                                  * to be cleared ASAP.
1737                                  * What happens if already present?
1738                                  */
1739                                 assert( BER_BVISNULL( &op->o_csn ) );
1740                                 op->o_csn = a->a_vals[0];
1741                         }
1742                 }
1743 retry_add:;
1744                 if ( BER_BVISNULL( &dni.dn )) {
1745
1746                         op->o_req_dn = entry->e_name;
1747                         op->o_req_ndn = entry->e_nname;
1748                         op->o_tag = LDAP_REQ_ADD;
1749                         op->ora_e = entry;
1750
1751                         rc = be->be_add( op, &rs_add );
1752                         Debug( LDAP_DEBUG_SYNC,
1753                                         "syncrepl_entry: rid %03ld be_add (%d)\n",
1754                                         si->si_rid, rc, 0 );
1755                         switch ( rs_add.sr_err ) {
1756                         case LDAP_SUCCESS:
1757                                 if ( op->ora_e == entry )
1758                                         be_entry_release_w( op, entry );
1759                                 entry = NULL;
1760                                 break;
1761
1762                         case LDAP_REFERRAL:
1763                         /* we assume that LDAP_NO_SUCH_OBJECT is returned
1764                          * only if the suffix entry is not present */
1765                         case LDAP_NO_SUCH_OBJECT:
1766                                 rc = syncrepl_add_glue( op, entry );
1767                                 entry = NULL;
1768                                 break;
1769
1770                         /* if an entry was added via syncrepl_add_glue(),
1771                          * it likely has no entryUUID, so the previous
1772                          * be_search() doesn't find it.  In this case,
1773                          * give syncrepl a chance to modify it. Also
1774                          * allow for entries that were recreated with the
1775                          * same DN but a different entryUUID.
1776                          */
1777                         case LDAP_ALREADY_EXISTS:
1778                                 if ( retry ) {
1779                                         Operation       op2 = *op;
1780                                         SlapReply       rs2 = { 0 };
1781                                         slap_callback   cb2 = { 0 };
1782
1783                                         op2.o_tag = LDAP_REQ_SEARCH;
1784                                         op2.o_req_dn = entry->e_name;
1785                                         op2.o_req_ndn = entry->e_nname;
1786                                         op2.ors_scope = LDAP_SCOPE_BASE;
1787                                         op2.ors_deref = LDAP_DEREF_NEVER;
1788                                         op2.ors_attrs = slap_anlist_all_attributes;
1789                                         op2.ors_attrsonly = 0;
1790                                         op2.ors_limit = NULL;
1791                                         op2.ors_slimit = 1;
1792                                         op2.ors_tlimit = SLAP_NO_LIMIT;
1793
1794                                         f.f_choice = LDAP_FILTER_PRESENT;
1795                                         f.f_desc = slap_schema.si_ad_objectClass;
1796                                         op2.ors_filter = &f;
1797                                         op2.ors_filterstr = generic_filterstr;
1798
1799                                         op2.o_callback = &cb2;
1800                                         cb2.sc_response = dn_callback;
1801                                         cb2.sc_private = &dni;
1802
1803                                         rc = be->be_search( &op2, &rs2 );
1804                                         if ( rc ) goto done;
1805
1806                                         retry = 0;
1807                                         slap_op_time( &op->o_time, &op->o_tincr );
1808                                         goto retry_add;
1809                                 }
1810                                 /* FALLTHRU */
1811
1812                         default:
1813                                 Debug( LDAP_DEBUG_ANY,
1814                                         "syncrepl_entry: rid %03ld be_add failed (%d)\n",
1815                                         si->si_rid, rs_add.sr_err, 0 );
1816                                 break;
1817                         }
1818                         goto done;
1819                 }
1820                 /* FALLTHRU */
1821                 op->o_req_dn = dni.dn;
1822                 op->o_req_ndn = dni.ndn;
1823                 if ( dni.renamed ) {
1824                         struct berval noldp, newp, nnewp;
1825
1826                         op->o_tag = LDAP_REQ_MODRDN;
1827                         dnRdn( &entry->e_name, &op->orr_newrdn );
1828                         dnRdn( &entry->e_nname, &op->orr_nnewrdn );
1829
1830                         dnParent( &dni.ndn, &noldp );
1831                         dnParent( &entry->e_nname, &nnewp );
1832                         if ( !dn_match( &noldp, &nnewp )) {
1833                                 dnParent( &entry->e_name, &newp );
1834                                 op->orr_newSup = &newp;
1835                                 op->orr_nnewSup = &nnewp;
1836                         } else {
1837                                 op->orr_newSup = NULL;
1838                                 op->orr_nnewSup = NULL;
1839                         }
1840                         op->orr_deleteoldrdn = dni.delOldRDN;
1841                         op->orr_modlist = NULL;
1842                         if (( rc = slap_modrdn2mods( op, &rs_modify ))) {
1843                                 goto done;
1844                         }
1845
1846                         /* RDNs must be NUL-terminated for back-ldap */
1847                         noldp = op->orr_newrdn;
1848                         ber_dupbv_x( &op->orr_newrdn, &noldp, op->o_tmpmemctx );
1849                         noldp = op->orr_nnewrdn;
1850                         ber_dupbv_x( &op->orr_nnewrdn, &noldp, op->o_tmpmemctx );
1851
1852                         /* Setup opattrs too */
1853                         {
1854                                 AttributeDescription *opattrs[] = {
1855                                         slap_schema.si_ad_entryCSN,
1856                                         slap_schema.si_ad_modifiersName,
1857                                         slap_schema.si_ad_modifyTimestamp,
1858                                         NULL
1859                                 };
1860                                 Modifications *mod, **modtail, **ml;
1861                                 int i;
1862
1863                                 for (mod=op->orr_modlist; mod->sml_next; mod=mod->sml_next)
1864                                         ;
1865                                 modtail = &mod->sml_next;
1866
1867                                 /* pull mod off incoming modlist, append to orr_modlist */
1868                                 for (i=0; opattrs[i]; i++) {
1869                                         for (ml = modlist; *ml; ml = &(*ml)->sml_next)
1870                                                 if ( (*ml)->sml_desc == opattrs[i] ) {
1871                                                         mod = *ml;
1872                                                         *ml = mod->sml_next;
1873                                                         mod->sml_next = NULL;
1874                                                         *modtail = mod;
1875                                                         modtail = &mod->sml_next;
1876                                                         break;
1877                                                 }
1878                                 }
1879                         }
1880                         rc = be->be_modrdn( op, &rs_modify );
1881                         op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
1882                         op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
1883
1884                         slap_mods_free( op->orr_modlist, 1 );
1885                         Debug( LDAP_DEBUG_SYNC,
1886                                         "syncrepl_entry: rid %03ld be_modrdn (%d)\n",
1887                                         si->si_rid, rc, 0 );
1888                         goto done;
1889                 }
1890                 if ( dni.mods ) {
1891                         op->o_tag = LDAP_REQ_MODIFY;
1892                         op->orm_modlist = dni.mods;
1893
1894                         rc = be->be_modify( op, &rs_modify );
1895                         slap_mods_free( op->orm_modlist, 1 );
1896                         Debug( LDAP_DEBUG_SYNC,
1897                                         "syncrepl_entry: rid %03ld be_modify (%d)\n",
1898                                         si->si_rid, rc, 0 );
1899                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
1900                                 Debug( LDAP_DEBUG_ANY,
1901                                         "syncrepl_entry: rid %03ld be_modify failed (%d)\n",
1902                                         si->si_rid, rs_modify.sr_err, 0 );
1903                         }
1904                 }
1905                 goto done;
1906         case LDAP_SYNC_DELETE :
1907                 if ( !BER_BVISNULL( &dni.dn )) {
1908                         op->o_req_dn = dni.dn;
1909                         op->o_req_ndn = dni.ndn;
1910                         op->o_tag = LDAP_REQ_DELETE;
1911                         rc = be->be_delete( op, &rs_delete );
1912                         Debug( LDAP_DEBUG_SYNC,
1913                                         "syncrepl_entry: rid %03ld be_delete (%d)\n",
1914                                         si->si_rid, rc, 0 );
1915
1916                         while ( rs_delete.sr_err == LDAP_SUCCESS
1917                                 && op->o_delete_glue_parent ) {
1918                                 op->o_delete_glue_parent = 0;
1919                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1920                                         slap_callback cb = { NULL };
1921                                         cb.sc_response = slap_null_cb;
1922                                         dnParent( &op->o_req_ndn, &pdn );
1923                                         op->o_req_dn = pdn;
1924                                         op->o_req_ndn = pdn;
1925                                         op->o_callback = &cb;
1926                                         op->o_bd->be_delete( op, &rs_delete );
1927                                 } else {
1928                                         break;
1929                                 }
1930                         }
1931                 }
1932                 goto done;
1933
1934         default :
1935                 Debug( LDAP_DEBUG_ANY,
1936                         "syncrepl_entry: rid %03ld unknown syncstate\n", si->si_rid, 0, 0 );
1937                 goto done;
1938         }
1939
1940 done:
1941         if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
1942                 slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
1943                 BER_BVZERO( &syncUUID_strrep );
1944         }
1945         if ( !BER_BVISNULL( &dni.ndn ) ) {
1946                 op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
1947         }
1948         if ( !BER_BVISNULL( &dni.dn ) ) {
1949                 op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
1950         }
1951         if ( entry )
1952                 entry_free( entry );
1953         BER_BVZERO( &op->o_csn );
1954         return rc;
1955 }
1956
1957 static struct berval gcbva[] = {
1958         BER_BVC("top"),
1959         BER_BVC("glue"),
1960         BER_BVNULL
1961 };
1962
1963 #define NP_DELETE_ONE   2
1964
1965 static void
1966 syncrepl_del_nonpresent(
1967         Operation *op,
1968         syncinfo_t *si,
1969         BerVarray uuids,
1970         struct berval *cookiecsn )
1971 {
1972         Backend* be = op->o_bd;
1973         slap_callback   cb = { NULL };
1974         SlapReply       rs_search = {REP_RESULT};
1975         SlapReply       rs_delete = {REP_RESULT};
1976         SlapReply       rs_modify = {REP_RESULT};
1977         struct nonpresent_entry *np_list, *np_prev;
1978         int rc;
1979         AttributeName   an[2];
1980
1981         struct berval pdn = BER_BVNULL;
1982         struct berval csn;
1983
1984         op->o_req_dn = si->si_base;
1985         op->o_req_ndn = si->si_base;
1986
1987         cb.sc_response = nonpresent_callback;
1988         cb.sc_private = si;
1989
1990         op->o_callback = &cb;
1991         op->o_tag = LDAP_REQ_SEARCH;
1992         op->ors_scope = si->si_scope;
1993         op->ors_deref = LDAP_DEREF_NEVER;
1994         op->o_time = slap_get_time();
1995         op->ors_tlimit = SLAP_NO_LIMIT;
1996
1997
1998         if ( uuids ) {
1999                 Filter uf;
2000 #ifdef LDAP_COMP_MATCH
2001                 AttributeAssertion eq = { NULL, BER_BVNULL, NULL };
2002 #else
2003                 AttributeAssertion eq = { NULL, BER_BVNULL };
2004 #endif
2005                 int i;
2006
2007                 op->ors_attrsonly = 1;
2008                 op->ors_attrs = slap_anlist_no_attrs;
2009                 op->ors_limit = NULL;
2010                 op->ors_filter = &uf;
2011
2012                 uf.f_ava = &eq;
2013                 uf.f_av_desc = slap_schema.si_ad_entryUUID;
2014                 uf.f_next = NULL;
2015                 uf.f_choice = LDAP_FILTER_EQUALITY;
2016                 si->si_refreshDelete |= NP_DELETE_ONE;
2017
2018                 for (i=0; uuids[i].bv_val; i++) {
2019                         op->ors_slimit = 1;
2020                         slap_uuidstr_from_normalized( &uf.f_av_value, &uuids[i],
2021                                 op->o_tmpmemctx );
2022                         filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2023                         op->o_tmpfree( uf.f_av_value.bv_val, op->o_tmpmemctx );
2024                         uf.f_av_value = uuids[i];
2025                         rc = be->be_search( op, &rs_search );
2026                         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2027                 }
2028                 si->si_refreshDelete ^= NP_DELETE_ONE;
2029         } else {
2030                 memset( &an[0], 0, 2 * sizeof( AttributeName ) );
2031                 an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
2032                 an[0].an_desc = slap_schema.si_ad_entryUUID;
2033                 op->ors_attrs = an;
2034                 op->ors_slimit = SLAP_NO_LIMIT;
2035                 op->ors_attrsonly = 0;
2036                 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
2037                 op->ors_filterstr = si->si_filterstr;
2038                 op->o_nocaching = 1;
2039
2040                 if ( limits_check( op, &rs_search ) == 0 ) {
2041                         rc = be->be_search( op, &rs_search );
2042                 }
2043                 if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
2044         }
2045
2046         op->o_nocaching = 0;
2047
2048         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
2049
2050                 if ( cookiecsn && !BER_BVISNULL( cookiecsn ))
2051                         csn = *cookiecsn;
2052                 else
2053                         csn = si->si_syncCookie.ctxcsn;
2054
2055                 slap_queue_csn( op, &csn );
2056
2057                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
2058                 while ( np_list != NULL ) {
2059                         LDAP_LIST_REMOVE( np_list, npe_link );
2060                         np_prev = np_list;
2061                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
2062                         op->o_tag = LDAP_REQ_DELETE;
2063                         op->o_callback = &cb;
2064                         cb.sc_response = null_callback;
2065                         cb.sc_private = si;
2066                         op->o_req_dn = *np_prev->npe_name;
2067                         op->o_req_ndn = *np_prev->npe_nname;
2068                         rc = op->o_bd->be_delete( op, &rs_delete );
2069                         Debug( LDAP_DEBUG_SYNC,
2070                                 "syncrepl_del_nonpresent: rid %03ld be_delete %s (%d)\n",
2071                                 si->si_rid, op->o_req_dn.bv_val, rc );
2072
2073                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
2074                                 Modifications mod1, mod2;
2075                                 mod1.sml_op = LDAP_MOD_REPLACE;
2076                                 mod1.sml_flags = 0;
2077                                 mod1.sml_desc = slap_schema.si_ad_objectClass;
2078                                 mod1.sml_type = mod1.sml_desc->ad_cname;
2079                                 mod1.sml_values = &gcbva[0];
2080                                 mod1.sml_nvalues = NULL;
2081                                 mod1.sml_next = &mod2;
2082
2083                                 mod2.sml_op = LDAP_MOD_REPLACE;
2084                                 mod2.sml_flags = 0;
2085                                 mod2.sml_desc = slap_schema.si_ad_structuralObjectClass;
2086                                 mod2.sml_type = mod2.sml_desc->ad_cname;
2087                                 mod2.sml_values = &gcbva[1];
2088                                 mod2.sml_nvalues = NULL;
2089                                 mod2.sml_next = NULL;
2090
2091                                 op->o_tag = LDAP_REQ_MODIFY;
2092                                 op->orm_modlist = &mod1;
2093
2094                                 rc = be->be_modify( op, &rs_modify );
2095                                 if ( mod2.sml_next ) slap_mods_free( mod2.sml_next, 1 );
2096                         }
2097
2098                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
2099                                         op->o_delete_glue_parent ) {
2100                                 op->o_delete_glue_parent = 0;
2101                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
2102                                         slap_callback cb = { NULL };
2103                                         cb.sc_response = slap_null_cb;
2104                                         dnParent( &op->o_req_ndn, &pdn );
2105                                         op->o_req_dn = pdn;
2106                                         op->o_req_ndn = pdn;
2107                                         op->o_callback = &cb;
2108                                         /* give it a root privil ? */
2109                                         op->o_bd->be_delete( op, &rs_delete );
2110                                 } else {
2111                                         break;
2112                             }
2113                         }
2114
2115                         op->o_delete_glue_parent = 0;
2116
2117                         ber_bvfree( np_prev->npe_name );
2118                         ber_bvfree( np_prev->npe_nname );
2119                         ch_free( np_prev );
2120                 }
2121
2122                 slap_graduate_commit_csn( op );
2123
2124                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2125                 BER_BVZERO( &op->o_csn );
2126         }
2127
2128         return;
2129 }
2130
2131 int
2132 syncrepl_add_glue(
2133         Operation* op,
2134         Entry *e )
2135 {
2136         Backend *be = op->o_bd;
2137         slap_callback cb = { NULL };
2138         Attribute       *a;
2139         int     rc;
2140         int suffrdns;
2141         int i;
2142         struct berval dn = BER_BVNULL;
2143         struct berval ndn = BER_BVNULL;
2144         Entry   *glue;
2145         SlapReply       rs_add = {REP_RESULT};
2146         struct berval   ptr, nptr;
2147         char            *comma;
2148
2149         op->o_tag = LDAP_REQ_ADD;
2150         op->o_callback = &cb;
2151         cb.sc_response = null_callback;
2152         cb.sc_private = NULL;
2153
2154         dn = e->e_name;
2155         ndn = e->e_nname;
2156
2157         /* count RDNs in suffix */
2158         if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
2159                 for ( i = 0, ptr = be->be_nsuffix[0], comma = ptr.bv_val; comma != NULL; comma = ber_bvchr( &ptr, ',' ) ) {
2160                         comma++;
2161                         ptr.bv_len -= comma - ptr.bv_val;
2162                         ptr.bv_val = comma;
2163                         i++;
2164                 }
2165                 suffrdns = i;
2166         } else {
2167                 /* suffix is "" */
2168                 suffrdns = 0;
2169         }
2170
2171         /* Start with BE suffix */
2172         ptr = dn;
2173         for ( i = 0; i < suffrdns; i++ ) {
2174                 comma = ber_bvrchr( &ptr, ',' );
2175                 if ( comma != NULL ) {
2176                         ptr.bv_len = comma - ptr.bv_val;
2177                 } else {
2178                         ptr.bv_len = 0;
2179                         break;
2180                 }
2181         }
2182
2183         if ( !BER_BVISEMPTY( &ptr ) ) {
2184                 dn.bv_len -= ptr.bv_len + 1;
2185                 dn.bv_val += ptr.bv_len + 1;
2186         }
2187
2188         /* the normalizedDNs are always the same length, no counting
2189          * required.
2190          */
2191         nptr = ndn;
2192         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
2193                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
2194                 ndn.bv_len = be->be_nsuffix[0].bv_len;
2195
2196                 nptr.bv_len = ndn.bv_val - nptr.bv_val - 1;
2197
2198         } else {
2199                 nptr.bv_len = 0;
2200         }
2201
2202         while ( ndn.bv_val > e->e_nname.bv_val ) {
2203                 glue = entry_alloc();
2204                 ber_dupbv( &glue->e_name, &dn );
2205                 ber_dupbv( &glue->e_nname, &ndn );
2206
2207                 a = attr_alloc( slap_schema.si_ad_objectClass );
2208
2209                 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
2210                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
2211                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
2212                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
2213
2214                 a->a_nvals = a->a_vals;
2215
2216                 a->a_next = glue->e_attrs;
2217                 glue->e_attrs = a;
2218
2219                 a = attr_alloc( slap_schema.si_ad_structuralObjectClass );
2220
2221                 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
2222                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
2223                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
2224
2225                 a->a_nvals = a->a_vals;
2226
2227                 a->a_next = glue->e_attrs;
2228                 glue->e_attrs = a;
2229
2230                 op->o_req_dn = glue->e_name;
2231                 op->o_req_ndn = glue->e_nname;
2232                 op->ora_e = glue;
2233                 rc = be->be_add ( op, &rs_add );
2234                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
2235                         if ( op->ora_e == glue )
2236                                 be_entry_release_w( op, glue );
2237                 } else {
2238                 /* incl. ALREADY EXIST */
2239                         entry_free( glue );
2240                         if ( rs_add.sr_err != LDAP_ALREADY_EXISTS ) {
2241                                 entry_free( e );
2242                                 return rc;
2243                         }
2244                 }
2245
2246                 /* Move to next child */
2247                 comma = ber_bvrchr( &ptr, ',' );
2248                 if ( comma == NULL ) {
2249                         break;
2250                 }
2251                 ptr.bv_len = comma - ptr.bv_val;
2252
2253                 dn.bv_val = ++comma;
2254                 dn.bv_len = e->e_name.bv_len - (dn.bv_val - e->e_name.bv_val);
2255
2256                 comma = ber_bvrchr( &nptr, ',' );
2257                 assert( comma != NULL );
2258                 nptr.bv_len = comma - nptr.bv_val;
2259
2260                 ndn.bv_val = ++comma;
2261                 ndn.bv_len = e->e_nname.bv_len - (ndn.bv_val - e->e_nname.bv_val);
2262         }
2263
2264         op->o_req_dn = e->e_name;
2265         op->o_req_ndn = e->e_nname;
2266         op->ora_e = e;
2267         rc = be->be_add ( op, &rs_add );
2268         if ( rs_add.sr_err == LDAP_SUCCESS ) {
2269                 if ( op->ora_e == e )
2270                         be_entry_release_w( op, e );
2271         } else {
2272                 entry_free( e );
2273         }
2274
2275         return rc;
2276 }
2277
2278 static int
2279 syncrepl_updateCookie(
2280         syncinfo_t *si,
2281         Operation *op,
2282         struct berval *pdn,
2283         struct sync_cookie *syncCookie )
2284 {
2285         Backend *be = op->o_bd;
2286         Modifications mod = { { 0 } };
2287         struct berval vals[ 2 ];
2288
2289         int rc, flags;
2290
2291         slap_callback cb = { NULL };
2292         SlapReply       rs_modify = {REP_RESULT};
2293
2294         mod.sml_op = LDAP_MOD_REPLACE;
2295         mod.sml_desc = slap_schema.si_ad_contextCSN;
2296         mod.sml_type = mod.sml_desc->ad_cname;
2297         mod.sml_values = vals;
2298         vals[0] = syncCookie->ctxcsn;
2299         BER_BVZERO( &vals[1] );
2300
2301         slap_queue_csn( op, &syncCookie->ctxcsn );
2302
2303         op->o_tag = LDAP_REQ_MODIFY;
2304
2305         assert( si->si_rid < 1000 );
2306
2307         cb.sc_response = null_callback;
2308         cb.sc_private = si;
2309
2310         op->o_callback = &cb;
2311         op->o_req_dn = op->o_bd->be_suffix[0];
2312         op->o_req_ndn = op->o_bd->be_nsuffix[0];
2313
2314         /* update contextCSN */
2315         op->o_msgid = SLAP_SYNC_UPDATE_MSGID;
2316         op->orm_modlist = &mod;
2317         flags = SLAP_DBFLAGS( op->o_bd );
2318         SLAP_DBFLAGS( op->o_bd ) |= SLAP_DBFLAG_NOLASTMOD;
2319         rc = be->be_modify( op, &rs_modify );
2320         SLAP_DBFLAGS( op->o_bd ) = flags;
2321         op->o_msgid = 0;
2322
2323         if ( rs_modify.sr_err == LDAP_SUCCESS ) {
2324                 slap_sync_cookie_free( &si->si_syncCookie, 0 );
2325                 slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
2326         } else {
2327                 Debug( LDAP_DEBUG_ANY,
2328                         "syncrepl_updateCookie: rid %03ld be_modify failed (%d)\n",
2329                         si->si_rid, rs_modify.sr_err, 0 );
2330         }
2331
2332         slap_graduate_commit_csn( op );
2333         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2334         BER_BVZERO( &op->o_csn );
2335         if ( mod.sml_next ) slap_mods_free( mod.sml_next, 1 );
2336
2337         return rc;
2338 }
2339
2340 static void
2341 attr_cmp( Operation *op, Attribute *old, Attribute *new,
2342         Modifications ***mret, Modifications ***mcur )
2343 {
2344         int i, j, doadd = 0;
2345         Modifications *mod, **modtail;
2346
2347         modtail = *mret;
2348
2349         if ( old ) {
2350                 int n, o, d, a, *adds, *dels;
2351                 /* count old and new */
2352                 for ( o=0; old->a_vals[o].bv_val; o++ ) ;
2353                 for ( n=0; new->a_vals[n].bv_val; n++ ) ;
2354
2355                 adds = op->o_tmpalloc( sizeof(int) * n, op->o_tmpmemctx );
2356                 dels = op->o_tmpalloc( sizeof(int) * o, op->o_tmpmemctx );
2357                 d = 0;
2358                 a = 0;
2359                 i = 0;
2360                 j = 0;
2361
2362                 while ( i < o && j < n ) {
2363                         int k;
2364                         if ( bvmatch( &old->a_vals[i], &new->a_vals[j] )) {
2365                                 i++;
2366                                 j++;
2367                                 continue;
2368                         }
2369                         for ( k=j+1; k<n; k++ ) {
2370                                 if ( bvmatch( &old->a_vals[i], &new->a_vals[k] )) {
2371                                         break;
2372                                 }
2373                         }
2374                         /* an old value was deleted */
2375                         if ( k == n ) {
2376                                 dels[d++] = i++;
2377                                 continue;
2378                         }
2379                         for ( k=i+1; k<o; k++ ) {
2380                                 if ( bvmatch( &old->a_vals[k], &new->a_vals[j] )) {
2381                                         break;
2382                                 }
2383                         }
2384                         if ( k == o ) {
2385                                 adds[a++] = j++;
2386                         }
2387                 }
2388                 while ( i < o )
2389                         dels[d++] = i++;
2390                 while ( j < n )
2391                         adds[a++] = j++;
2392
2393                 /* all old values were deleted, just use the replace op */
2394                 if ( d == o ) {
2395                         i = j-1;
2396                 } else if ( d ) {
2397                 /* delete some values */
2398                         mod = ch_malloc( sizeof( Modifications ) );
2399                         mod->sml_op = LDAP_MOD_DELETE;
2400                         mod->sml_flags = 0;
2401                         mod->sml_desc = old->a_desc;
2402                         mod->sml_type = mod->sml_desc->ad_cname;
2403                         mod->sml_values = ch_malloc(( d+1) * sizeof(struct berval));
2404                         if ( old->a_vals != old->a_nvals )
2405                                 mod->sml_nvalues = ch_malloc(( d+1) * sizeof(struct berval));
2406                         else
2407                                 mod->sml_nvalues = NULL;
2408                         for ( i=0; i<d; i++ ) {
2409                                 ber_dupbv( &mod->sml_values[i], &old->a_vals[dels[i]] );
2410                                 if ( mod->sml_nvalues )
2411                                         ber_dupbv( &mod->sml_nvalues[i], &old->a_nvals[dels[i]] );
2412                         }
2413                         BER_BVZERO( &mod->sml_values[i] );
2414                         if ( mod->sml_nvalues )
2415                                 BER_BVZERO( &mod->sml_nvalues[i] );
2416                         *modtail = mod;
2417                         modtail = &mod->sml_next;
2418                         i = j;
2419                 }
2420                 op->o_tmpfree( dels, op->o_tmpmemctx );
2421                 /* some values were added */
2422                 if ( a && d < o ) {
2423                         mod = ch_malloc( sizeof( Modifications ) );
2424                         mod->sml_op = LDAP_MOD_ADD;
2425                         mod->sml_flags = 0;
2426                         mod->sml_desc = old->a_desc;
2427                         mod->sml_type = mod->sml_desc->ad_cname;
2428                         mod->sml_values = ch_malloc(( a+1) * sizeof(struct berval));
2429                         if ( old->a_vals != old->a_nvals )
2430                                 mod->sml_nvalues = ch_malloc(( a+1) * sizeof(struct berval));
2431                         else
2432                                 mod->sml_nvalues = NULL;
2433                         for ( i=0; i<a; i++ ) {
2434                                 ber_dupbv( &mod->sml_values[i], &new->a_vals[adds[i]] );
2435                                 if ( mod->sml_nvalues )
2436                                         ber_dupbv( &mod->sml_nvalues[i], &new->a_nvals[adds[i]] );
2437                         }
2438                         BER_BVZERO( &mod->sml_values[i] );
2439                         if ( mod->sml_nvalues )
2440                                 BER_BVZERO( &mod->sml_nvalues[i] );
2441                         *modtail = mod;
2442                         modtail = &mod->sml_next;
2443                         i = j;
2444                 }
2445                 op->o_tmpfree( adds, op->o_tmpmemctx );
2446         } else {
2447                 /* new attr, just use the new mod */
2448                 i = 0;
2449                 j = 1;
2450         }
2451         /* advance to next element */
2452         mod = **mcur;
2453         if ( i != j ) {
2454                 **mcur = mod->sml_next;
2455                 *modtail = mod;
2456                 modtail = &mod->sml_next;
2457         } else {
2458                 if ( mod )
2459                         *mcur = &mod->sml_next;
2460         }
2461         *mret = modtail;
2462 }
2463
2464 static int
2465 dn_callback(
2466         Operation*      op,
2467         SlapReply*      rs )
2468 {
2469         dninfo *dni = op->o_callback->sc_private;
2470
2471         if ( rs->sr_type == REP_SEARCH ) {
2472                 if ( !BER_BVISNULL( &dni->dn ) ) {
2473                         Debug( LDAP_DEBUG_ANY,
2474                                 "dn_callback : consistency error - "
2475                                 "entryUUID is not unique\n", 0, 0, 0 );
2476                 } else {
2477                         ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
2478                         ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
2479                         /* If there is a new entry, see if it differs from the old.
2480                          * We compare the non-normalized values so that cosmetic changes
2481                          * in the provider are always propagated.
2482                          */
2483                         if ( dni->new_entry ) {
2484                                 Modifications **modtail, **ml;
2485                                 Attribute *old, *new;
2486                                 int i;
2487
2488                                 /* Did the DN change?
2489                                  */
2490                                 if ( !dn_match( &rs->sr_entry->e_name,
2491                                                 &dni->new_entry->e_name ) )
2492                                 {
2493                                         struct berval oldRDN, oldVal;
2494                                         AttributeDescription *ad = NULL;
2495                                         Attribute *a;
2496
2497                                         dni->renamed = 1;
2498                                         /* See if the oldRDN was deleted */
2499                                         dnRdn( &rs->sr_entry->e_nname, &oldRDN );
2500                                         oldVal.bv_val = strchr(oldRDN.bv_val, '=') + 1;
2501                                         oldVal.bv_len = oldRDN.bv_len - ( oldVal.bv_val -
2502                                                 oldRDN.bv_val );
2503                                         oldRDN.bv_len -= oldVal.bv_len + 2;
2504                                         slap_bv2ad( &oldRDN, &ad, &rs->sr_text );
2505                                         a = attr_find( dni->new_entry->e_attrs, ad );
2506                                         if ( !a || value_find_ex( ad,
2507                                                 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH |
2508                                                 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
2509                                                 SLAP_MR_VALUE_OF_SYNTAX, a->a_nvals,
2510                                                 &oldVal, op->o_tmpmemctx ) != LDAP_SUCCESS )
2511                                         {
2512                                                 dni->delOldRDN = 1;
2513                                         }
2514                                         /* OK, this was just a modDN, we're done */
2515                                         return LDAP_SUCCESS;
2516                                 }
2517
2518                                 modtail = &dni->mods;
2519                                 ml = dni->modlist;
2520
2521                                 /* We assume that attributes are saved in the same order
2522                                  * in the remote and local databases. So if we walk through
2523                                  * the attributeDescriptions one by one they should match in
2524                                  * lock step. If not, look for an add or delete.
2525                                  */
2526                                 for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
2527                                                 old && new; )
2528                                 {
2529 #if 1
2530                                         if ( new->a_flags & SLAP_ATTR_IXADD ) {
2531                                                 new = new->a_next;
2532                                                 continue;
2533                                         }
2534 #endif
2535                                         if ( old->a_desc != new->a_desc ) {
2536                                                 Modifications *mod;
2537                                                 Attribute *tmp;
2538
2539                                                 /* If it's just been re-added later,
2540                                                  * remember that we've seen it.
2541                                                  */
2542                                                 tmp = attr_find( new, old->a_desc );
2543                                                 if ( tmp ) {
2544                                                         tmp->a_flags |= SLAP_ATTR_IXADD;
2545                                                 } else {
2546                                                         /* If it's a new attribute, pull it in.
2547                                                          */
2548                                                         tmp = attr_find( old, new->a_desc );
2549                                                         if ( !tmp ) {
2550                                                                 attr_cmp( op, NULL, new, &modtail, &ml );
2551                                                                 new = new->a_next;
2552                                                                 continue;
2553                                                         }
2554                                                         /* Delete old attr */
2555                                                         mod = ch_malloc( sizeof( Modifications ) );
2556                                                         mod->sml_op = LDAP_MOD_DELETE;
2557                                                         mod->sml_flags = 0;
2558                                                         mod->sml_desc = old->a_desc;
2559                                                         mod->sml_type = mod->sml_desc->ad_cname;
2560                                                         mod->sml_values = NULL;
2561                                                         mod->sml_nvalues = NULL;
2562                                                         *modtail = mod;
2563                                                         modtail = &mod->sml_next;
2564                                                 }
2565                                                 old = old->a_next;
2566                                                 continue;
2567                                         }
2568                                         attr_cmp( op, old, new, &modtail, &ml );
2569                                         new = new->a_next;
2570                                         old = old->a_next;
2571                                 }
2572                                 *modtail = *ml;
2573                                 *ml = NULL;
2574                         }
2575                 }
2576         } else if ( rs->sr_type == REP_RESULT ) {
2577                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
2578                         Debug( LDAP_DEBUG_ANY,
2579                                 "dn_callback : consistency error - "
2580                                 "entryUUID is not unique\n", 0, 0, 0 );
2581                 }
2582         }
2583
2584         return LDAP_SUCCESS;
2585 }
2586
2587 static int
2588 nonpresent_callback(
2589         Operation*      op,
2590         SlapReply*      rs )
2591 {
2592         syncinfo_t *si = op->o_callback->sc_private;
2593         Attribute *a;
2594         int count = 0;
2595         struct berval* present_uuid = NULL;
2596         struct nonpresent_entry *np_entry;
2597
2598         if ( rs->sr_type == REP_RESULT ) {
2599                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
2600                 si->si_presentlist = NULL;
2601
2602         } else if ( rs->sr_type == REP_SEARCH ) {
2603                 if ( !(si->si_refreshDelete & NP_DELETE_ONE )) {
2604                         char buf[sizeof("000 not")];
2605
2606                         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
2607
2608                         if ( a )
2609                                 present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
2610                                         syncuuid_cmp );
2611
2612                         if ( slap_debug & LDAP_DEBUG_SYNC )
2613                                 sprintf( buf, "%03ld %s", si->si_rid,
2614                                         present_uuid ? "got" : "not" );
2615
2616                         Debug( LDAP_DEBUG_SYNC, "nonpresent_callback: rid %s UUID %s, dn %s\n",
2617                                 buf, a ? a->a_vals[0].bv_val : "<missing>", rs->sr_entry->e_name.bv_val );
2618
2619                         if ( a == NULL ) return 0;
2620                 }
2621
2622                 if ( present_uuid == NULL ) {
2623                         np_entry = (struct nonpresent_entry *)
2624                                 ch_calloc( 1, sizeof( struct nonpresent_entry ));
2625                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
2626                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
2627                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
2628
2629                 } else {
2630                         avl_delete( &si->si_presentlist,
2631                                         &a->a_nvals[0], syncuuid_cmp );
2632                         ch_free( present_uuid->bv_val );
2633                         ch_free( present_uuid );
2634                 }
2635         }
2636         return LDAP_SUCCESS;
2637 }
2638
2639 static int
2640 null_callback(
2641         Operation*      op,
2642         SlapReply*      rs )
2643 {
2644         if ( rs->sr_err != LDAP_SUCCESS &&
2645                 rs->sr_err != LDAP_REFERRAL &&
2646                 rs->sr_err != LDAP_ALREADY_EXISTS &&
2647                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
2648                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
2649         {
2650                 Debug( LDAP_DEBUG_ANY,
2651                         "null_callback : error code 0x%x\n",
2652                         rs->sr_err, 0, 0 );
2653         }
2654         return LDAP_SUCCESS;
2655 }
2656
2657 static struct berval *
2658 slap_uuidstr_from_normalized(
2659         struct berval* uuidstr,
2660         struct berval* normalized,
2661         void *ctx )
2662 {
2663         struct berval *new;
2664         unsigned char nibble;
2665         int i, d = 0;
2666
2667         if ( normalized == NULL ) return NULL;
2668         if ( normalized->bv_len != 16 ) return NULL;
2669
2670         if ( uuidstr ) {
2671                 new = uuidstr;
2672         } else {
2673                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
2674                 if ( new == NULL ) {
2675                         return NULL;
2676                 }
2677         }
2678
2679         new->bv_len = 36;
2680
2681         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
2682                 if ( new != uuidstr ) {
2683                         slap_sl_free( new, ctx );
2684                 }
2685                 return NULL;
2686         }
2687
2688         for ( i = 0; i < 16; i++ ) {
2689                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
2690                         new->bv_val[(i<<1)+d] = '-';
2691                         d += 1;
2692                 }
2693
2694                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
2695                 if ( nibble < 10 ) {
2696                         new->bv_val[(i<<1)+d] = nibble + '0';
2697                 } else {
2698                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
2699                 }
2700
2701                 nibble = (normalized->bv_val[i]) & 0xF;
2702                 if ( nibble < 10 ) {
2703                         new->bv_val[(i<<1)+d+1] = nibble + '0';
2704                 } else {
2705                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
2706                 }
2707         }
2708
2709         new->bv_val[new->bv_len] = '\0';
2710         return new;
2711 }
2712
2713 static int
2714 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
2715 {
2716         const struct berval *uuid1 = v_uuid1;
2717         const struct berval *uuid2 = v_uuid2;
2718         int rc = uuid1->bv_len - uuid2->bv_len;
2719         if ( rc ) return rc;
2720         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
2721 }
2722
2723 static void
2724 avl_ber_bvfree( void *v_bv )
2725 {
2726         struct berval   *bv = (struct berval *)v_bv;
2727
2728         if( v_bv == NULL ) return;
2729         if ( !BER_BVISNULL( bv ) ) {
2730                 ch_free( bv->bv_val );
2731         }
2732         ch_free( (char *) bv );
2733 }
2734
2735 void
2736 syncinfo_free( syncinfo_t *sie )
2737 {
2738         if ( sie->si_ld ) {
2739                 if ( sie->si_conn_setup ) {
2740                         ber_socket_t s;
2741                         ldap_get_option( sie->si_ld, LDAP_OPT_DESC, &s );
2742                         connection_client_stop( s );
2743                         sie->si_conn_setup = 0;
2744                 }
2745                 ldap_unbind_ext( sie->si_ld, NULL, NULL );
2746         }
2747
2748         /* re-fetch it, in case it was already removed */
2749         sie->si_re = ldap_pvt_runqueue_find( &slapd_rq, do_syncrepl, sie );
2750         if ( sie->si_re ) {
2751                 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, sie->si_re ) )
2752                         ldap_pvt_runqueue_stoptask( &slapd_rq, sie->si_re );
2753                 ldap_pvt_runqueue_remove( &slapd_rq, sie->si_re );
2754         }
2755
2756         ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
2757
2758         bindconf_free( &sie->si_bindconf );
2759
2760         if ( sie->si_filterstr.bv_val ) {
2761                 ch_free( sie->si_filterstr.bv_val );
2762         }
2763         if ( sie->si_base.bv_val ) {
2764                 ch_free( sie->si_base.bv_val );
2765         }
2766         if ( sie->si_attrs ) {
2767                 int i = 0;
2768                 while ( sie->si_attrs[i] != NULL ) {
2769                         ch_free( sie->si_attrs[i] );
2770                         i++;
2771                 }
2772                 ch_free( sie->si_attrs );
2773         }
2774         if ( sie->si_exattrs ) {
2775                 int i = 0;
2776                 while ( sie->si_exattrs[i] != NULL ) {
2777                         ch_free( sie->si_exattrs[i] );
2778                         i++;
2779                 }
2780                 ch_free( sie->si_exattrs );
2781         }
2782         if ( sie->si_anlist ) {
2783                 int i = 0;
2784                 while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
2785                         ch_free( sie->si_anlist[i].an_name.bv_val );
2786                         i++;
2787                 }
2788                 ch_free( sie->si_anlist );
2789         }
2790         if ( sie->si_exanlist ) {
2791                 int i = 0;
2792                 while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
2793                         ch_free( sie->si_exanlist[i].an_name.bv_val );
2794                         i++;
2795                 }
2796                 ch_free( sie->si_exanlist );
2797         }
2798         if ( sie->si_retryinterval ) {
2799                 ch_free( sie->si_retryinterval );
2800         }
2801         if ( sie->si_retrynum ) {
2802                 ch_free( sie->si_retrynum );
2803         }
2804         if ( sie->si_retrynum_init ) {
2805                 ch_free( sie->si_retrynum_init );
2806         }
2807         slap_sync_cookie_free( &sie->si_syncCookie, 0 );
2808         if ( sie->si_presentlist ) {
2809             avl_free( sie->si_presentlist, avl_ber_bvfree );
2810         }
2811         while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist )) {
2812                 struct nonpresent_entry* npe;
2813                 npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
2814                 LDAP_LIST_REMOVE( npe, npe_link );
2815                 if ( npe->npe_name ) {
2816                         if ( npe->npe_name->bv_val ) {
2817                                 ch_free( npe->npe_name->bv_val );
2818                         }
2819                         ch_free( npe->npe_name );
2820                 }
2821                 if ( npe->npe_nname ) {
2822                         if ( npe->npe_nname->bv_val ) {
2823                                 ch_free( npe->npe_nname->bv_val );
2824                         }
2825                         ch_free( npe->npe_nname );
2826                 }
2827                 ch_free( npe );
2828         }
2829         ch_free( sie );
2830 }
2831
2832
2833
2834 /* NOTE: used & documented in slapd.conf(5) */
2835 #define IDSTR                   "rid"
2836 #define PROVIDERSTR             "provider"
2837 #define SCHEMASTR               "schemachecking"
2838 #define FILTERSTR               "filter"
2839 #define SEARCHBASESTR           "searchbase"
2840 #define SCOPESTR                "scope"
2841 #define ATTRSONLYSTR            "attrsonly"
2842 #define ATTRSSTR                "attrs"
2843 #define TYPESTR                 "type"
2844 #define INTERVALSTR             "interval"
2845 #define RETRYSTR                "retry"
2846 #define SLIMITSTR               "sizelimit"
2847 #define TLIMITSTR               "timelimit"
2848 #define SYNCDATASTR             "syncdata"
2849
2850 /* FIXME: undocumented */
2851 #define LOGBASESTR      "logbase"
2852 #define LOGFILTERSTR    "logfilter"
2853 #define OLDAUTHCSTR             "bindprincipal"
2854 #define EXATTRSSTR              "exattrs"
2855 #define MANAGEDSAITSTR          "manageDSAit"
2856
2857 /* FIXME: unused */
2858 #define LASTMODSTR              "lastmod"
2859 #define LMGENSTR                "gen"
2860 #define LMNOSTR                 "no"
2861 #define LMREQSTR                "req"
2862 #define SRVTABSTR               "srvtab"
2863 #define SUFFIXSTR               "suffix"
2864
2865 /* mandatory */
2866 #define GOT_ID                  0x0001
2867 #define GOT_PROVIDER    0x0002
2868 #define GOT_BASE                0x0004
2869
2870 /* check */
2871 #define GOT_ALL                 (GOT_ID|GOT_PROVIDER|GOT_BASE)
2872
2873 static struct {
2874         struct berval key;
2875         int val;
2876 } scopes[] = {
2877         { BER_BVC("base"), LDAP_SCOPE_BASE },
2878         { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
2879         { BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL },   /* OpenLDAP extension */
2880         { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
2881         { BER_BVC("subord"), LDAP_SCOPE_SUBORDINATE },
2882         { BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
2883         { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
2884         { BER_BVC("subtree"), LDAP_SCOPE_SUBTREE },     /* OpenLDAP extension */
2885         { BER_BVNULL, 0 }
2886 };
2887
2888 static slap_verbmasks datamodes[] = {
2889         { BER_BVC("default"), SYNCDATA_DEFAULT },
2890         { BER_BVC("accesslog"), SYNCDATA_ACCESSLOG },
2891         { BER_BVC("changelog"), SYNCDATA_CHANGELOG },
2892         { BER_BVNULL, 0 }
2893 };
2894
2895 static int
2896 parse_syncrepl_line(
2897         ConfigArgs      *c,
2898         syncinfo_t      *si )
2899 {
2900         int     gots = 0;
2901         int     i;
2902         char    *val;
2903
2904         for ( i = 1; i < c->argc; i++ ) {
2905                 if ( !strncasecmp( c->argv[ i ], IDSTR "=",
2906                                         STRLENOF( IDSTR "=" ) ) )
2907                 {
2908                         int tmp;
2909                         /* '\0' string terminator accounts for '=' */
2910                         val = c->argv[ i ] + STRLENOF( IDSTR "=" );
2911                         if ( lutil_atoi( &tmp, val ) != 0 ) {
2912                                 snprintf( c->msg, sizeof( c->msg ),
2913                                         "Error: parse_syncrepl_line: "
2914                                         "unable to parse syncrepl id \"%s\"", val );
2915                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
2916                                 return -1;
2917                         }
2918                         if ( tmp >= 1000 || tmp < 0 ) {
2919                                 snprintf( c->msg, sizeof( c->msg ),
2920                                         "Error: parse_syncrepl_line: "
2921                                         "syncrepl id %d is out of range [0..999]", tmp );
2922                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
2923                                 return -1;
2924                         }
2925                         si->si_rid = tmp;
2926                         gots |= GOT_ID;
2927                 } else if ( !strncasecmp( c->argv[ i ], PROVIDERSTR "=",
2928                                         STRLENOF( PROVIDERSTR "=" ) ) )
2929                 {
2930                         val = c->argv[ i ] + STRLENOF( PROVIDERSTR "=" );
2931                         ber_str2bv( val, 0, 1, &si->si_bindconf.sb_uri );
2932                         gots |= GOT_PROVIDER;
2933                 } else if ( !strncasecmp( c->argv[ i ], SCHEMASTR "=",
2934                                         STRLENOF( SCHEMASTR "=" ) ) )
2935                 {
2936                         val = c->argv[ i ] + STRLENOF( SCHEMASTR "=" );
2937                         if ( !strncasecmp( val, "on", STRLENOF( "on" ) )) {
2938                                 si->si_schemachecking = 1;
2939                         } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
2940                                 si->si_schemachecking = 0;
2941                         } else {
2942                                 si->si_schemachecking = 1;
2943                         }
2944                 } else if ( !strncasecmp( c->argv[ i ], FILTERSTR "=",
2945                                         STRLENOF( FILTERSTR "=" ) ) )
2946                 {
2947                         val = c->argv[ i ] + STRLENOF( FILTERSTR "=" );
2948                         if ( si->si_filterstr.bv_val )
2949                                 ch_free( si->si_filterstr.bv_val );
2950                         ber_str2bv( val, 0, 1, &si->si_filterstr );
2951                 } else if ( !strncasecmp( c->argv[ i ], LOGFILTERSTR "=",
2952                                         STRLENOF( LOGFILTERSTR "=" ) ) )
2953                 {
2954                         val = c->argv[ i ] + STRLENOF( LOGFILTERSTR "=" );
2955                         if ( si->si_logfilterstr.bv_val )
2956                                 ch_free( si->si_logfilterstr.bv_val );
2957                         ber_str2bv( val, 0, 1, &si->si_logfilterstr );
2958                 } else if ( !strncasecmp( c->argv[ i ], SEARCHBASESTR "=",
2959                                         STRLENOF( SEARCHBASESTR "=" ) ) )
2960                 {
2961                         struct berval   bv;
2962                         int             rc;
2963
2964                         val = c->argv[ i ] + STRLENOF( SEARCHBASESTR "=" );
2965                         if ( si->si_base.bv_val ) {
2966                                 ch_free( si->si_base.bv_val );
2967                         }
2968                         ber_str2bv( val, 0, 0, &bv );
2969                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
2970                         if ( rc != LDAP_SUCCESS ) {
2971                                 snprintf( c->msg, sizeof( c->msg ),
2972                                         "Invalid base DN \"%s\": %d (%s)",
2973                                         val, rc, ldap_err2string( rc ) );
2974                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
2975                                 return -1;
2976                         }
2977                         gots |= GOT_BASE;
2978                 } else if ( !strncasecmp( c->argv[ i ], LOGBASESTR "=",
2979                                         STRLENOF( LOGBASESTR "=" ) ) )
2980                 {
2981                         struct berval   bv;
2982                         int             rc;
2983
2984                         val = c->argv[ i ] + STRLENOF( LOGBASESTR "=" );
2985                         if ( si->si_logbase.bv_val ) {
2986                                 ch_free( si->si_logbase.bv_val );
2987                         }
2988                         ber_str2bv( val, 0, 0, &bv );
2989                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_logbase, NULL );
2990                         if ( rc != LDAP_SUCCESS ) {
2991                                 snprintf( c->msg, sizeof( c->msg ),
2992                                         "Invalid logbase DN \"%s\": %d (%s)",
2993                                         val, rc, ldap_err2string( rc ) );
2994                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
2995                                 return -1;
2996                         }
2997                 } else if ( !strncasecmp( c->argv[ i ], SCOPESTR "=",
2998                                         STRLENOF( SCOPESTR "=" ) ) )
2999                 {
3000                         int j;
3001                         val = c->argv[ i ] + STRLENOF( SCOPESTR "=" );
3002                         for ( j=0; !BER_BVISNULL(&scopes[j].key); j++ ) {
3003                                 if (!strcasecmp( val, scopes[j].key.bv_val )) {
3004                                         si->si_scope = scopes[j].val;
3005                                         break;
3006                                 }
3007                         }
3008                         if ( BER_BVISNULL(&scopes[j].key) ) {
3009                                 snprintf( c->msg, sizeof( c->msg ),
3010                                         "Error: parse_syncrepl_line: "
3011                                         "unknown scope \"%s\"", val);
3012                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3013                                 return -1;
3014                         }
3015                 } else if ( !strncasecmp( c->argv[ i ], ATTRSONLYSTR,
3016                                         STRLENOF( ATTRSONLYSTR ) ) )
3017                 {
3018                         si->si_attrsonly = 1;
3019                 } else if ( !strncasecmp( c->argv[ i ], ATTRSSTR "=",
3020                                         STRLENOF( ATTRSSTR "=" ) ) )
3021                 {
3022                         val = c->argv[ i ] + STRLENOF( ATTRSSTR "=" );
3023                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3024                                 char *attr_fname;
3025                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3026                                 si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
3027                                 if ( si->si_anlist == NULL ) {
3028                                         ch_free( attr_fname );
3029                                         return -1;
3030                                 }
3031                                 si->si_anfile = attr_fname;
3032                         } else {
3033                                 char *str, *s, *next;
3034                                 char delimstr[] = " ,\t";
3035                                 str = ch_strdup( val );
3036                                 for ( s = ldap_pvt_strtok( str, delimstr, &next );
3037                                                 s != NULL;
3038                                                 s = ldap_pvt_strtok( NULL, delimstr, &next ) )
3039                                 {
3040                                         if ( strlen(s) == 1 && *s == '*' ) {
3041                                                 si->si_allattrs = 1;
3042                                                 *(val + ( s - str )) = delimstr[0];
3043                                         }
3044                                         if ( strlen(s) == 1 && *s == '+' ) {
3045                                                 si->si_allopattrs = 1;
3046                                                 *(val + ( s - str )) = delimstr[0];
3047                                         }
3048                                 }
3049                                 ch_free( str );
3050                                 si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
3051                                 if ( si->si_anlist == NULL ) {
3052                                         return -1;
3053                                 }
3054                         }
3055                 } else if ( !strncasecmp( c->argv[ i ], EXATTRSSTR "=",
3056                                         STRLENOF( EXATTRSSTR "=" ) ) )
3057                 {
3058                         val = c->argv[ i ] + STRLENOF( EXATTRSSTR "=" );
3059                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") )) {
3060                                 char *attr_fname;
3061                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3062                                 si->si_exanlist = file2anlist(
3063                                         si->si_exanlist, attr_fname, " ,\t" );
3064                                 if ( si->si_exanlist == NULL ) {
3065                                         ch_free( attr_fname );
3066                                         return -1;
3067                                 }
3068                                 ch_free( attr_fname );
3069                         } else {
3070                                 si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
3071                                 if ( si->si_exanlist == NULL ) {
3072                                         return -1;
3073                                 }
3074                         }
3075                 } else if ( !strncasecmp( c->argv[ i ], TYPESTR "=",
3076                                         STRLENOF( TYPESTR "=" ) ) )
3077                 {
3078                         val = c->argv[ i ] + STRLENOF( TYPESTR "=" );
3079                         if ( !strncasecmp( val, "refreshOnly",
3080                                                 STRLENOF("refreshOnly") ) )
3081                         {
3082                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3083                         } else if ( !strncasecmp( val, "refreshAndPersist",
3084                                                 STRLENOF("refreshAndPersist") ) )
3085                         {
3086                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_AND_PERSIST;
3087                                 si->si_interval = 60;
3088                         } else {
3089                                 snprintf( c->msg, sizeof( c->msg ),
3090                                         "Error: parse_syncrepl_line: "
3091                                         "unknown sync type \"%s\"", val);
3092                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3093                                 return -1;
3094                         }
3095                 } else if ( !strncasecmp( c->argv[ i ], INTERVALSTR "=",
3096                                         STRLENOF( INTERVALSTR "=" ) ) )
3097                 {
3098                         val = c->argv[ i ] + STRLENOF( INTERVALSTR "=" );
3099                         if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
3100                                 si->si_interval = 0;
3101                         } else if ( strchr( val, ':' ) != NULL ) {
3102                                 char *next, *ptr = val;
3103                                 unsigned dd, hh, mm, ss;
3104
3105                                 /* NOTE: the test for ptr[ 0 ] == '-'
3106                                  * should go before the call to strtoul() */
3107                                 dd = strtoul( ptr, &next, 10 );
3108                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' ) {
3109                                         snprintf( c->msg, sizeof( c->msg ),
3110                                                 "Error: parse_syncrepl_line: "
3111                                                 "invalid interval \"%s\", unable to parse days", val );
3112                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3113                                         return -1;
3114                                 }
3115                                 ptr = next + 1;
3116                                 hh = strtoul( ptr, &next, 10 );
3117                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || hh > 24 ) {
3118                                         snprintf( c->msg, sizeof( c->msg ),
3119                                                 "Error: parse_syncrepl_line: "
3120                                                 "invalid interval \"%s\", unable to parse hours", val );
3121                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3122                                         return -1;
3123                                 }
3124                                 ptr = next + 1;
3125                                 mm = strtoul( ptr, &next, 10 );
3126                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || mm > 60 ) {
3127                                         snprintf( c->msg, sizeof( c->msg ),
3128                                                 "Error: parse_syncrepl_line: "
3129                                                 "invalid interval \"%s\", unable to parse minutes", val );
3130                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3131                                         return -1;
3132                                 }
3133                                 ptr = next + 1;
3134                                 ss = strtoul( ptr, &next, 10 );
3135                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != '\0' || ss > 60 ) {
3136                                         snprintf( c->msg, sizeof( c->msg ),
3137                                                 "Error: parse_syncrepl_line: "
3138                                                 "invalid interval \"%s\", unable to parse seconds", val );
3139                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3140                                         return -1;
3141                                 }
3142                                 si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
3143                         } else {
3144                                 unsigned long   t;
3145
3146                                 if ( lutil_parse_time( val, &t ) != 0 ) {
3147                                         snprintf( c->msg, sizeof( c->msg ),
3148                                                 "Error: parse_syncrepl_line: "
3149                                                 "invalid interval \"%s\"", val );
3150                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3151                                         return -1;
3152                                 }
3153                                 si->si_interval = (time_t)t;
3154                         }
3155                         if ( si->si_interval < 0 ) {
3156                                 snprintf( c->msg, sizeof( c->msg ),
3157                                         "Error: parse_syncrepl_line: "
3158                                         "invalid interval \"%ld\"",
3159                                         (long) si->si_interval);
3160                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3161                                 return -1;
3162                         }
3163                 } else if ( !strncasecmp( c->argv[ i ], RETRYSTR "=",
3164                                         STRLENOF( RETRYSTR "=" ) ) )
3165                 {
3166                         char **retry_list;
3167                         int j, k, n;
3168
3169                         val = c->argv[ i ] + STRLENOF( RETRYSTR "=" );
3170                         retry_list = (char **) ch_calloc( 1, sizeof( char * ));
3171                         retry_list[0] = NULL;
3172
3173                         slap_str2clist( &retry_list, val, " ,\t" );
3174
3175                         for ( k = 0; retry_list && retry_list[k]; k++ ) ;
3176                         n = k / 2;
3177                         if ( k % 2 ) {
3178                                 snprintf( c->msg, sizeof( c->msg ),
3179                                         "Error: incomplete syncrepl retry list" );
3180                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3181                                 for ( k = 0; retry_list && retry_list[k]; k++ ) {
3182                                         ch_free( retry_list[k] );
3183                                 }
3184                                 ch_free( retry_list );
3185                                 return 1;
3186                         }
3187                         si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ));
3188                         si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ));
3189                         si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ));
3190                         for ( j = 0; j < n; j++ ) {
3191                                 unsigned long   t;
3192                                 if ( lutil_atoul( &t, retry_list[j*2] ) != 0 ) {
3193                                         snprintf( c->msg, sizeof( c->msg ),
3194                                                 "Error: invalid retry interval \"%s\" (#%d)",
3195                                                 retry_list[j*2], j );
3196                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3197                                         /* do some cleanup */
3198                                         return 1;
3199                                 }
3200                                 si->si_retryinterval[j] = (time_t)t;
3201                                 if ( *retry_list[j*2+1] == '+' ) {
3202                                         si->si_retrynum_init[j] = RETRYNUM_FOREVER;
3203                                         si->si_retrynum[j] = RETRYNUM_FOREVER;
3204                                         j++;
3205                                         break;
3206                                 } else {
3207                                         if ( lutil_atoi( &si->si_retrynum_init[j], retry_list[j*2+1] ) != 0
3208                                                         || si->si_retrynum_init[j] <= 0 )
3209                                         {
3210                                                 snprintf( c->msg, sizeof( c->msg ),
3211                                                         "Error: invalid initial retry number \"%s\" (#%d)",
3212                                                         retry_list[j*2+1], j );
3213                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3214                                                 /* do some cleanup */
3215                                                 return 1;
3216                                         }
3217                                         if ( lutil_atoi( &si->si_retrynum[j], retry_list[j*2+1] ) != 0
3218                                                         || si->si_retrynum[j] <= 0 )
3219                                         {
3220                                                 snprintf( c->msg, sizeof( c->msg ),
3221                                                         "Error: invalid retry number \"%s\" (#%d)",
3222                                                         retry_list[j*2+1], j );
3223                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3224                                                 /* do some cleanup */
3225                                                 return 1;
3226                                         }
3227                                 }
3228                         }
3229                         si->si_retrynum_init[j] = RETRYNUM_TAIL;
3230                         si->si_retrynum[j] = RETRYNUM_TAIL;
3231                         si->si_retryinterval[j] = 0;
3232
3233                         for ( k = 0; retry_list && retry_list[k]; k++ ) {
3234                                 ch_free( retry_list[k] );
3235                         }
3236                         ch_free( retry_list );
3237                 } else if ( !strncasecmp( c->argv[ i ], MANAGEDSAITSTR "=",
3238                                         STRLENOF( MANAGEDSAITSTR "=" ) ) )
3239                 {
3240                         val = c->argv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
3241                         if ( lutil_atoi( &si->si_manageDSAit, val ) != 0
3242                                 || si->si_manageDSAit < 0 || si->si_manageDSAit > 1 )
3243                         {
3244                                 snprintf( c->msg, sizeof( c->msg ),
3245                                         "invalid manageDSAit value \"%s\".\n",
3246                                         val );
3247                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3248                                 return 1;
3249                         }
3250                 } else if ( !strncasecmp( c->argv[ i ], SLIMITSTR "=",
3251                                         STRLENOF( SLIMITSTR "=") ) )
3252                 {
3253                         val = c->argv[ i ] + STRLENOF( SLIMITSTR "=" );
3254                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3255                                 si->si_slimit = 0;
3256
3257                         } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || si->si_slimit < 0 ) {
3258                                 snprintf( c->msg, sizeof( c->msg ),
3259                                         "invalid size limit value \"%s\".\n",
3260                                         val );
3261                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3262                                 return 1;
3263                         }
3264                 } else if ( !strncasecmp( c->argv[ i ], TLIMITSTR "=",
3265                                         STRLENOF( TLIMITSTR "=" ) ) )
3266                 {
3267                         val = c->argv[ i ] + STRLENOF( TLIMITSTR "=" );
3268                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3269                                 si->si_tlimit = 0;
3270
3271                         } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || si->si_tlimit < 0 ) {
3272                                 snprintf( c->msg, sizeof( c->msg ),
3273                                         "invalid time limit value \"%s\".\n",
3274                                         val );
3275                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3276                                 return 1;
3277                         }
3278                 } else if ( !strncasecmp( c->argv[ i ], SYNCDATASTR "=",
3279                                         STRLENOF( SYNCDATASTR "=" ) ) )
3280                 {
3281                         val = c->argv[ i ] + STRLENOF( SYNCDATASTR "=" );
3282                         si->si_syncdata = verb_to_mask( val, datamodes );
3283                 } else if ( bindconf_parse( c->argv[i], &si->si_bindconf ) ) {
3284                         snprintf( c->msg, sizeof( c->msg ),
3285                                 "Error: parse_syncrepl_line: "
3286                                 "unable to parse \"%s\"\n", c->argv[ i ] );
3287                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3288                         return -1;
3289                 }
3290         }
3291
3292         if ( gots != GOT_ALL ) {
3293                 snprintf( c->msg, sizeof( c->msg ),
3294                         "Error: Malformed \"syncrepl\" line in slapd config file, missing%s%s%s",
3295                         gots & GOT_ID ? "" : " "IDSTR,
3296                         gots & GOT_PROVIDER ? "" : " "PROVIDERSTR,
3297                         gots & GOT_BASE ? "" : " "SEARCHBASESTR );
3298                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3299                 return -1;
3300         }
3301
3302         return 0;
3303 }
3304
3305 static int
3306 add_syncrepl(
3307         ConfigArgs *c )
3308 {
3309         syncinfo_t *si;
3310         int     rc = 0;
3311
3312         if ( !( c->be->be_search && c->be->be_add && c->be->be_modify && c->be->be_delete ) ) {
3313                 snprintf( c->msg, sizeof(c->msg), "database %s does not support "
3314                         "operations required for syncrepl", c->be->be_type );
3315                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->msg, 0 );
3316                 return 1;
3317         }
3318         if ( BER_BVISEMPTY( &c->be->be_rootdn )) {
3319                 strcpy( c->msg, "rootDN must be defined before syncrepl may be used" );
3320                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->msg, 0 );
3321                 return 1;
3322         }
3323         si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
3324
3325         if ( si == NULL ) {
3326                 Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
3327                 return 1;
3328         }
3329
3330         si->si_bindconf.sb_tls = SB_TLS_OFF;
3331         si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
3332         si->si_schemachecking = 0;
3333         ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
3334                 &si->si_filterstr );
3335         si->si_base.bv_val = NULL;
3336         si->si_scope = LDAP_SCOPE_SUBTREE;
3337         si->si_attrsonly = 0;
3338         si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ));
3339         si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ));
3340         si->si_attrs = NULL;
3341         si->si_allattrs = 0;
3342         si->si_allopattrs = 0;
3343         si->si_exattrs = NULL;
3344         si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3345         si->si_interval = 86400;
3346         si->si_retryinterval = NULL;
3347         si->si_retrynum_init = NULL;
3348         si->si_retrynum = NULL;
3349         si->si_manageDSAit = 0;
3350         si->si_tlimit = 0;
3351         si->si_slimit = 0;
3352         si->si_conn_setup = 0;
3353
3354         si->si_presentlist = NULL;
3355         LDAP_LIST_INIT( &si->si_nonpresentlist );
3356         ldap_pvt_thread_mutex_init( &si->si_mutex );
3357
3358         rc = parse_syncrepl_line( c, si );
3359
3360         if ( rc == 0 ) {
3361                 /* Must be LDAPv3 because we need controls */
3362                 switch ( si->si_bindconf.sb_version ) {
3363                 case 0:
3364                         /* not explicitly set */
3365                         si->si_bindconf.sb_version = LDAP_VERSION3;
3366                         break;
3367                 case 3:
3368                         /* explicitly set */
3369                         break;
3370                 default:
3371                         Debug( LDAP_DEBUG_ANY,
3372                                 "version %d incompatible with syncrepl\n",
3373                                 si->si_bindconf.sb_version, 0, 0 );
3374                         syncinfo_free( si );
3375                         return 1;
3376                 }
3377
3378                 si->si_be = c->be;
3379                 if ( slapMode & SLAP_SERVER_MODE ) {
3380                         Listener **l = slapd_get_listeners();
3381                         int isMe = 0;
3382
3383                         /* check if URL points to current server. If so, ignore
3384                          * this configuration. We require an exact match. Just
3385                          * in case they really want to do this, they can vary
3386                          * the case of the URL to allow it.
3387                          */
3388                         if ( l && !SLAP_DBHIDDEN( c->be )) {
3389                                 int i;
3390                                 for ( i=0; l[i]; i++ ) {
3391                                         if ( bvmatch( &l[i]->sl_url, &si->si_bindconf.sb_uri )) {
3392                                                 isMe = 1;
3393                                                 break;
3394                                         }
3395                                 }
3396                         }
3397
3398                         if ( !isMe ) {
3399                                 init_syncrepl( si );
3400                                 si->si_re = ldap_pvt_runqueue_insert( &slapd_rq,
3401                                         si->si_interval, do_syncrepl, si, "do_syncrepl",
3402                                         c->be->be_suffix[0].bv_val );
3403                                 if ( si->si_re )
3404                                         rc = config_sync_shadow( c ) ? -1 : 0;
3405                                 else
3406                                         rc = -1;
3407                         }
3408                 }
3409         }
3410
3411 #ifdef HAVE_TLS
3412         /* Use main slapd defaults */
3413         bindconf_tls_defaults( &si->si_bindconf );
3414 #endif
3415         if ( rc < 0 ) {
3416                 Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
3417                 syncinfo_free( si );
3418                 return 1;
3419         } else {
3420                 Debug( LDAP_DEBUG_CONFIG,
3421                         "Config: ** successfully added syncrepl \"%s\"\n",
3422                         BER_BVISNULL( &si->si_bindconf.sb_uri ) ?
3423                         "(null)" : si->si_bindconf.sb_uri.bv_val, 0, 0 );
3424                 if ( !si->si_schemachecking ) {
3425                         SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
3426                 }
3427                 c->be->be_syncinfo = si;
3428                 return 0;
3429         }
3430 }
3431
3432 static void
3433 syncrepl_unparse( syncinfo_t *si, struct berval *bv )
3434 {
3435         struct berval bc, uri;
3436         char buf[BUFSIZ*2], *ptr;
3437         int i;
3438
3439 #define WHATSLEFT       ( sizeof( buf ) - ( ptr - buf ) )
3440
3441         BER_BVZERO( bv );
3442
3443         /* temporarily inhibit bindconf from printing URI */
3444         uri = si->si_bindconf.sb_uri;
3445         BER_BVZERO( &si->si_bindconf.sb_uri );
3446         si->si_bindconf.sb_version = 0;
3447         bindconf_unparse( &si->si_bindconf, &bc );
3448         si->si_bindconf.sb_uri = uri;
3449         si->si_bindconf.sb_version = LDAP_VERSION3;
3450
3451         ptr = buf;
3452         ptr += snprintf( ptr, WHATSLEFT, IDSTR "=%03ld " PROVIDERSTR "=%s",
3453                 si->si_rid, si->si_bindconf.sb_uri.bv_val );
3454         if ( ptr - buf >= sizeof( buf ) ) return;
3455         if ( !BER_BVISNULL( &bc )) {
3456                 if ( WHATSLEFT <= bc.bv_len ) {
3457                         free( bc.bv_val );
3458                         return;
3459                 }
3460                 ptr = lutil_strcopy( ptr, bc.bv_val );
3461                 free( bc.bv_val );
3462         }
3463         if ( !BER_BVISEMPTY( &si->si_filterstr )) {
3464                 if ( WHATSLEFT <= STRLENOF( " " FILTERSTR "=\"" "\"" ) + si->si_filterstr.bv_len ) return;
3465                 ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
3466                 ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
3467                 *ptr++ = '"';
3468         }
3469         if ( !BER_BVISNULL( &si->si_base )) {
3470                 if ( WHATSLEFT <= STRLENOF( " " SEARCHBASESTR "=\"" "\"" ) + si->si_base.bv_len ) return;
3471                 ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
3472                 ptr = lutil_strcopy( ptr, si->si_base.bv_val );
3473                 *ptr++ = '"';
3474         }
3475         if ( !BER_BVISEMPTY( &si->si_logfilterstr )) {
3476                 if ( WHATSLEFT <= STRLENOF( " " LOGFILTERSTR "=\"" "\"" ) + si->si_logfilterstr.bv_len ) return;
3477                 ptr = lutil_strcopy( ptr, " " LOGFILTERSTR "=\"" );
3478                 ptr = lutil_strcopy( ptr, si->si_logfilterstr.bv_val );
3479                 *ptr++ = '"';
3480         }
3481         if ( !BER_BVISNULL( &si->si_logbase )) {
3482                 if ( WHATSLEFT <= STRLENOF( " " LOGBASESTR "=\"" "\"" ) + si->si_logbase.bv_len ) return;
3483                 ptr = lutil_strcopy( ptr, " " LOGBASESTR "=\"" );
3484                 ptr = lutil_strcopy( ptr, si->si_logbase.bv_val );
3485                 *ptr++ = '"';
3486         }
3487         for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
3488                 if ( si->si_scope == scopes[i].val ) {
3489                         if ( WHATSLEFT <= STRLENOF( " " SCOPESTR "=" ) + scopes[i].key.bv_len ) return;
3490                         ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
3491                         ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
3492                         break;
3493                 }
3494         }
3495         if ( si->si_attrsonly ) {
3496                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
3497                 ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR );
3498         }
3499         if ( si->si_anfile ) {
3500                 if ( WHATSLEFT <= STRLENOF( " " ATTRSSTR "=\":include:" "\"" ) + strlen( si->si_anfile ) ) return;
3501                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:\"" );
3502                 ptr = lutil_strcopy( ptr, si->si_anfile );
3503                 *ptr++ = '"';
3504         } else if ( si->si_allattrs || si->si_allopattrs ||
3505                 ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) ))
3506         {
3507                 char *old;
3508
3509                 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
3510                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
3511                 old = ptr;
3512                 /* FIXME: add check for overflow */
3513                 ptr = anlist_unparse( si->si_anlist, ptr, WHATSLEFT );
3514                 if ( si->si_allattrs ) {
3515                         if ( WHATSLEFT <= STRLENOF( ",*\"" ) ) return;
3516                         if ( old != ptr ) *ptr++ = ',';
3517                         *ptr++ = '*';
3518                 }
3519                 if ( si->si_allopattrs ) {
3520                         if ( WHATSLEFT <= STRLENOF( ",+\"" ) ) return;
3521                         if ( old != ptr ) *ptr++ = ',';
3522                         *ptr++ = '+';
3523                 }
3524                 *ptr++ = '"';
3525         }
3526         if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
3527                 if ( WHATSLEFT <= STRLENOF( " " EXATTRSSTR "=" ) ) return;
3528                 ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
3529                 /* FIXME: add check for overflow */
3530                 ptr = anlist_unparse( si->si_exanlist, ptr, WHATSLEFT );
3531         }
3532         if ( WHATSLEFT <= STRLENOF( " " SCHEMASTR "=" ) + STRLENOF( "off" ) ) return;
3533         ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
3534         ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
3535
3536         if ( WHATSLEFT <= STRLENOF( " " TYPESTR "=" ) + STRLENOF( "refreshAndPersist" ) ) return;
3537         ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
3538         ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
3539                 "refreshAndPersist" : "refreshOnly" );
3540
3541         if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
3542                 int dd, hh, mm, ss;
3543
3544                 dd = si->si_interval;
3545                 ss = dd % 60;
3546                 dd /= 60;
3547                 mm = dd % 60;
3548                 dd /= 60;
3549                 hh = dd % 24;
3550                 dd /= 24;
3551                 ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
3552                 ptr += snprintf( ptr, WHATSLEFT, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
3553                 if ( ptr - buf >= sizeof( buf ) ) return;
3554         } else if ( si->si_retryinterval ) {
3555                 int space=0;
3556                 if ( WHATSLEFT <= STRLENOF( " " RETRYSTR "=\"" "\"" ) ) return;
3557                 ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
3558                 for (i=0; si->si_retryinterval[i]; i++) {
3559                         if ( space ) *ptr++ = ' ';
3560                         space = 1;
3561                         ptr += snprintf( ptr, WHATSLEFT, "%ld ", (long) si->si_retryinterval[i] );
3562                         if ( si->si_retrynum_init[i] == RETRYNUM_FOREVER )
3563                                 *ptr++ = '+';
3564                         else
3565                                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_retrynum_init[i] );
3566                 }
3567                 if ( WHATSLEFT <= STRLENOF( "\"" ) ) return;
3568                 *ptr++ = '"';
3569         }
3570
3571         if ( si->si_slimit ) {
3572                 if ( WHATSLEFT <= STRLENOF( " " SLIMITSTR "=" ) ) return;
3573                 ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
3574                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_slimit );
3575         }
3576
3577         if ( si->si_tlimit ) {
3578                 if ( WHATSLEFT <= STRLENOF( " " TLIMITSTR "=" ) ) return;
3579                 ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
3580                 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_tlimit );
3581         }
3582
3583         if ( si->si_syncdata ) {
3584                 if ( enum_to_verb( datamodes, si->si_syncdata, &bc ) >= 0 ) {
3585                         if ( WHATSLEFT <= STRLENOF( " " SYNCDATASTR "=" ) + bc.bv_len ) return;
3586                         ptr = lutil_strcopy( ptr, " " SYNCDATASTR "=" );
3587                         ptr = lutil_strcopy( ptr, bc.bv_val );
3588                 }
3589         }
3590         bc.bv_len = ptr - buf;
3591         bc.bv_val = buf;
3592         ber_dupbv( bv, &bc );
3593 }
3594
3595 int
3596 syncrepl_config( ConfigArgs *c )
3597 {
3598         if (c->op == SLAP_CONFIG_EMIT) {
3599                 if ( c->be->be_syncinfo ) {
3600                         struct berval bv;
3601                         syncrepl_unparse( c->be->be_syncinfo, &bv );
3602                         ber_bvarray_add( &c->rvalue_vals, &bv );
3603                         return 0;
3604                 }
3605                 return 1;
3606         } else if ( c->op == LDAP_MOD_DELETE ) {
3607                 if ( c->be->be_syncinfo ) {
3608                         syncinfo_free( c->be->be_syncinfo );
3609                         c->be->be_syncinfo = NULL;
3610                 }
3611                 SLAP_DBFLAGS( c->be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
3612                 return 0;
3613         }
3614         if ( SLAP_SHADOW( c->be ) ) {
3615                 Debug(LDAP_DEBUG_ANY, "%s: "
3616                         "syncrepl: database already shadowed.\n",
3617                         c->log, 0, 0);
3618                 return(1);
3619         } else {
3620                 return add_syncrepl( c );
3621         }
3622 }