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 2003-2005 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 typedef struct syncinfo_s {
  45         struct slap_backend_db *si_be;
  46         struct re_s                     *si_re;
  47         long                            si_rid;
  48         struct berval           si_provideruri;
  49         slap_bindconf           si_bindconf;
  50         struct berval           si_filterstr;
  51         struct berval           si_base;
  52         int                                     si_scope;
  53         int                                     si_attrsonly;
  54         char                            *si_anfile;
  55         AttributeName           *si_anlist;
  56         AttributeName           *si_exanlist;
  57         char                            **si_attrs;
  58         char                            **si_exattrs;
  59         int                                     si_allattrs;
  60         int                                     si_allopattrs;
  61         int                                     si_schemachecking;
  62         int                                     si_type;
  63         time_t                          si_interval;
  64         time_t                          *si_retryinterval;
  65         int                                     *si_retrynum_init;
  66         int                                     *si_retrynum;
  67         struct sync_cookie      si_syncCookie;
  68         int                                     si_manageDSAit;
  69         int                                     si_slimit;
  70         int                                     si_tlimit;
  71         int                                     si_refreshDelete;
  72         int                                     si_refreshPresent;
  73         int                                     si_syncdata;
  74         Avlnode                         *si_presentlist;
  75         LDAP                            *si_ld;
  76         LDAP_LIST_HEAD(np, nonpresent_entry) si_nonpresentlist;
  77         ldap_pvt_thread_mutex_t si_mutex;
  78 } syncinfo_t;
  79
  80 static int syncuuid_cmp( const void *, const void * );
  81 static void avl_ber_bvfree( void * );
  82 static void syncrepl_del_nonpresent( Operation *, syncinfo_t *, BerVarray );
  83 static int syncrepl_message_to_op(
  84                                         syncinfo_t *, Operation *, LDAPMessage * );
  85 static int syncrepl_message_to_entry(
  86                                         syncinfo_t *, Operation *, LDAPMessage *,
  87                                         Modifications **, Entry **, int );
  88 static int syncrepl_entry(
  89                                         syncinfo_t *, Operation*, Entry*,
  90                                         Modifications**,int, struct berval*,
  91                                         struct sync_cookie *,
  92                                         struct berval * );
  93 static void syncrepl_updateCookie(
  94                                         syncinfo_t *, Operation *, struct berval *,
  95                                         struct sync_cookie * );
  96 static struct berval * slap_uuidstr_from_normalized(
  97                                         struct berval *, struct berval *, void * );
  98
  99 /* callback functions */
 100 static int dn_callback( struct slap_op *, struct slap_rep * );
 101 static int nonpresent_callback( struct slap_op *, struct slap_rep * );
 102 static int null_callback( struct slap_op *, struct slap_rep * );
 103
 104 static AttributeDescription *sync_descs[4];
 105
 106 static void
 107 init_syncrepl(syncinfo_t *si)
 108 {
 109         int i, j, k, l, n;
 110         char **attrs, **exattrs;
 111
 112         if ( !sync_descs[0] ) {
 113                 sync_descs[0] = slap_schema.si_ad_objectClass;
 114                 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
 115                 sync_descs[2] = slap_schema.si_ad_entryCSN;
 116                 sync_descs[3] = NULL;
 117         }
 118
 119         if ( si->si_allattrs && si->si_allopattrs )
 120                 attrs = NULL;
 121         else
 122                 attrs = anlist2attrs( si->si_anlist );
 123
 124         if ( attrs ) {
 125                 if ( si->si_allattrs ) {
 126                         i = 0;
 127                         while ( attrs[i] ) {
 128                                 if ( !is_at_operational( at_find( attrs[i] ))) {
 129                                         for ( j = i; attrs[j] != NULL; j++ ) {
 130                                                 if ( j == i )
 131                                                         ch_free( attrs[i] );
 132                                                 attrs[j] = attrs[j+1];
 133                                         }
 134                                 } else {
 135                                         i++;
 136                                 }
 137                         }
 138                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 139                         attrs[i] = ch_strdup("*");
 140                         attrs[i + 1] = NULL;
 141
 142                 } else if ( si->si_allopattrs ) {
 143                         i = 0;
 144                         while ( attrs[i] ) {
 145                                 if ( is_at_operational( at_find( attrs[i] ))) {
 146                                         for ( j = i; attrs[j] != NULL; j++ ) {
 147                                                 if ( j == i )
 148                                                         ch_free( attrs[i] );
 149                                                 attrs[j] = attrs[j+1];
 150                                         }
 151                                 } else {
 152                                         i++;
 153                                 }
 154                         }
 155                         attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
 156                         attrs[i] = ch_strdup("+");
 157                         attrs[i + 1] = NULL;
 158                 }
 159
 160                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 161                         j = 0;
 162                         while ( attrs[j] ) {
 163                                 if ( !strcmp( attrs[j], sync_descs[i]->ad_cname.bv_val )) {
 164                                         for ( k = j; attrs[k] != NULL; k++ ) {
 165                                                 if ( k == j )
 166                                                         ch_free( attrs[k] );
 167                                                 attrs[k] = attrs[k+1];
 168                                         }
 169                                 } else {
 170                                         j++;
 171                                 }
 172                         }
 173                 }
 174
 175                 for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */;
 176
 177                 if ( si->si_allopattrs ) {
 178                         attrs = ( char ** ) ch_realloc( attrs, (n + 2)*sizeof( char * ));
 179                 } else {
 180                         attrs = ( char ** ) ch_realloc( attrs, (n + 4)*sizeof( char * ));
 181                 }
 182
 183                 if ( attrs == NULL ) {
 184                         Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
 185                 }
 186
 187                 /* Add Attributes */
 188                 if ( si->si_allopattrs ) {
 189                         attrs[n++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 190                 } else {
 191                         for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
 192                                 attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
 193                         }
 194                 }
 195                 attrs[ n ] = NULL;
 196
 197         } else {
 198
 199                 i = 0;
 200                 if ( si->si_allattrs == si->si_allopattrs ) {
 201                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 202                         attrs[i++] = ch_strdup( "*" );
 203                         attrs[i++] = ch_strdup( "+" );
 204                 } else if ( si->si_allattrs && !si->si_allopattrs ) {
 205                         for ( n = 0; sync_descs[ n ] != NULL; n++ ) ;
 206                         attrs = (char**) ch_malloc( (n+1)* sizeof(char*) );
 207                         attrs[i++] = ch_strdup( "*" );
 208                         for ( j = 1; sync_descs[ j ] != NULL; j++ ) {
 209                                 attrs[i++] = ch_strdup ( sync_descs[j]->ad_cname.bv_val );
 210                         }
 211                 } else if ( !si->si_allattrs && si->si_allopattrs ) {
 212                         attrs = (char**) ch_malloc( 3 * sizeof(char*) );
 213                         attrs[i++] = ch_strdup( "+" );
 214                         attrs[i++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
 215                 }
 216                 attrs[i] = NULL;
 217         }
 218
 219         si->si_attrs = attrs;
 220
 221         exattrs = anlist2attrs( si->si_exanlist );
 222
 223         if ( exattrs ) {
 224                 for ( n = 0; exattrs[n] != NULL; n++ ) ;
 225
 226                 for ( i = 0; sync_descs[i] != NULL; i++ ) {
 227                         j = 0;
 228                         while ( exattrs[j] != NULL ) {
 229                                 if ( !strcmp( exattrs[j], sync_descs[i]->ad_cname.bv_val )) {
 230                                         ch_free( exattrs[j] );
 231                                         for ( k = j; exattrs[k] != NULL; k++ ) {
 232                                                 exattrs[k] = exattrs[k+1];
 233                                         }
 234                                 } else {
 235                                         j++;
 236                                 }
 237                         }
 238                 }
 239
 240                 for ( i = 0; exattrs[i] != NULL; i++ ) {
 241                         for ( j = 0; si->si_anlist[j].an_name.bv_val; j++ ) {
 242                                 ObjectClass     *oc;
 243                                 if ( ( oc = si->si_anlist[j].an_oc ) ) {
 244                                         k = 0;
 245                                         while ( oc->soc_required[k] ) {
 246                                                 if ( !strcmp( exattrs[i],
 247                                                          oc->soc_required[k]->sat_cname.bv_val )) {
 248                                                         ch_free( exattrs[i] );
 249                                                         for ( l = i; exattrs[l]; l++ ) {
 250                                                                 exattrs[l] = exattrs[l+1];
 251                                                         }
 252                                                 } else {
 253                                                         k++;
 254                                                 }
 255                                         }
 256                                 }
 257                         }
 258                 }
 259
 260                 for ( i = 0; exattrs[i] != NULL; i++ ) ;
 261
 262                 if ( i != n )
 263                         exattrs = (char **) ch_realloc( exattrs, (i + 1)*sizeof(char *));
 264         }
 265
 266         si->si_exattrs = exattrs;
 267 }
 268
 269 static int
 270 ldap_sync_search(
 271         syncinfo_t *si,
 272         void *ctx )
 273 {
 274         BerElementBuffer berbuf;
 275         BerElement *ber = (BerElement *)&berbuf;
 276         LDAPControl c[2], *ctrls[3];
 277         struct timeval timeout;
 278         ber_int_t       msgid;
 279         int rc;
 280
 281         /* setup LDAP SYNC control */
 282         ber_init2( ber, NULL, LBER_USE_DER );
 283         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 284
 285         if ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) )
 286         {
 287                 ber_printf( ber, "{eO}",
 288                         abs(si->si_type),
 289                         &si->si_syncCookie.octet_str );
 290         } else {
 291                 ber_printf( ber, "{e}",
 292                         abs(si->si_type) );
 293         }
 294
 295         if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 )) == LBER_ERROR ) {
 296                 ber_free_buf( ber );
 297                 return rc;
 298         }
 299
 300         c[0].ldctl_oid = LDAP_CONTROL_SYNC;
 301         c[0].ldctl_iscritical = si->si_type < 0;
 302         ctrls[0] = &c[0];
 303
 304         if ( !BER_BVISNULL( &si->si_bindconf.sb_authzId ) ) {
 305                 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 306                 c[1].ldctl_value = si->si_bindconf.sb_authzId;
 307                 c[1].ldctl_iscritical = 1;
 308                 ctrls[1] = &c[1];
 309                 ctrls[2] = NULL;
 310         } else {
 311                 ctrls[1] = NULL;
 312         }
 313
 314         timeout.tv_sec = si->si_tlimit;
 315         timeout.tv_usec = 0;
 316
 317         rc = ldap_search_ext( si->si_ld, si->si_base.bv_val, si->si_scope,
 318                 si->si_filterstr.bv_val, si->si_attrs, si->si_attrsonly,
 319                 ctrls, NULL, si->si_tlimit > 0 ? &timeout : NULL,
 320                 si->si_slimit, &msgid );
 321         ber_free_buf( ber );
 322         return rc;
 323 }
 324
 325 static int
 326 do_syncrep1(
 327         Operation *op,
 328         syncinfo_t *si )
 329 {
 330         int     rc;
 331         int cmdline_cookie_found = 0;
 332
 333         struct sync_cookie      *sc = NULL;
 334         struct berval   *psub;
 335 #ifdef HAVE_TLS
 336         void    *ssl;
 337 #endif
 338
 339         psub = &si->si_be->be_nsuffix[0];
 340
 341         /* Init connection to master */
 342         rc = ldap_initialize( &si->si_ld, si->si_provideruri.bv_val );
 343         if ( rc != LDAP_SUCCESS ) {
 344                 Debug( LDAP_DEBUG_ANY,
 345                         "do_syncrep1: ldap_initialize failed (%s)\n",
 346                         si->si_provideruri.bv_val, 0, 0 );
 347                 return rc;
 348         }
 349
 350         op->o_protocol = LDAP_VERSION3;
 351         ldap_set_option( si->si_ld, LDAP_OPT_PROTOCOL_VERSION, &op->o_protocol );
 352
 353         /* Bind to master */
 354
 355         if ( si->si_bindconf.sb_tls ) {
 356                 rc = ldap_start_tls_s( si->si_ld, NULL, NULL );
 357                 if( rc != LDAP_SUCCESS ) {
 358                         Debug( LDAP_DEBUG_ANY,
 359                                 "%s: ldap_start_tls failed (%d)\n",
 360                                 si->si_bindconf.sb_tls == SB_TLS_CRITICAL ? "Error" : "Warning",
 361                                 rc, 0 );
 362                         if( si->si_bindconf.sb_tls == SB_TLS_CRITICAL ) goto done;
 363                 }
 364         }
 365
 366         if ( si->si_bindconf.sb_method == LDAP_AUTH_SASL ) {
 367 #ifdef HAVE_CYRUS_SASL
 368                 void *defaults;
 369
 370                 if ( si->si_bindconf.sb_secprops != NULL ) {
 371                         rc = ldap_set_option( si->si_ld,
 372                                 LDAP_OPT_X_SASL_SECPROPS, si->si_bindconf.sb_secprops);
 373
 374                         if( rc != LDAP_OPT_SUCCESS ) {
 375                                 Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
 376                                         "(%s,SECPROPS,\"%s\") failed!\n",
 377                                         si->si_provideruri.bv_val, si->si_bindconf.sb_secprops, 0 );
 378                                 goto done;
 379                         }
 380                 }
 381
 382                 defaults = lutil_sasl_defaults( si->si_ld,
 383                         si->si_bindconf.sb_saslmech.bv_val,
 384                         si->si_bindconf.sb_realm.bv_val,
 385                         si->si_bindconf.sb_authcId.bv_val,
 386                         si->si_bindconf.sb_cred.bv_val,
 387                         si->si_bindconf.sb_authzId.bv_val );
 388
 389                 rc = ldap_sasl_interactive_bind_s( si->si_ld,
 390                                 si->si_bindconf.sb_binddn.bv_val,
 391                                 si->si_bindconf.sb_saslmech.bv_val,
 392                                 NULL, NULL,
 393                                 LDAP_SASL_QUIET,
 394                                 lutil_sasl_interact,
 395                                 defaults );
 396
 397                 lutil_sasl_freedefs( defaults );
 398
 399                 /* FIXME: different error behaviors according to
 400                  *      1) return code
 401                  *      2) on err policy : exit, retry, backoff ...
 402                  */
 403                 if ( rc != LDAP_SUCCESS ) {
 404                         static struct berval bv_GSSAPI = BER_BVC( "GSSAPI" );
 405
 406                         Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 407                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 408                                 rc, 0, 0 );
 409
 410                         /* FIXME (see above comment) */
 411                         /* if Kerberos credentials cache is not active, retry */
 412                         if ( ber_bvcmp( &si->si_bindconf.sb_saslmech, &bv_GSSAPI ) == 0 &&
 413                                 rc == LDAP_LOCAL_ERROR )
 414                         {
 415                                 rc = LDAP_SERVER_DOWN;
 416                         }
 417
 418                         goto done;
 419                 }
 420 #else /* HAVE_CYRUS_SASL */
 421                 /* Should never get here, we trapped this at config time */
 422                 assert(0);
 423                 fprintf( stderr, "not compiled with SASL support\n" );
 424                 rc = LDAP_OTHER;
 425                 goto done;
 426 #endif
 427
 428         } else if ( si->si_bindconf.sb_method == LDAP_AUTH_SIMPLE ) {
 429                 rc = ldap_sasl_bind_s( si->si_ld,
 430                         si->si_bindconf.sb_binddn.bv_val, LDAP_SASL_SIMPLE,
 431                         &si->si_bindconf.sb_cred, NULL, NULL, NULL );
 432                 if ( rc != LDAP_SUCCESS ) {
 433                         Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 434                                 "ldap_sasl_bind_s failed (%d)\n", rc, 0, 0 );
 435                         goto done;
 436                 }
 437         }
 438
 439         /* Set SSF to strongest of TLS, SASL SSFs */
 440         op->o_sasl_ssf = 0;
 441         op->o_tls_ssf = 0;
 442         op->o_transport_ssf = 0;
 443 #ifdef HAVE_TLS
 444         if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
 445                 == LDAP_SUCCESS && ssl != NULL )
 446         {
 447                 op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
 448         }
 449 #endif /* HAVE_TLS */
 450         ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &op->o_sasl_ssf );
 451         op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
 452                 ?  op->o_sasl_ssf : op->o_tls_ssf;
 453
 454
 455         if ( BER_BVISNULL( &si->si_syncCookie.octet_str )) {
 456                 /* get contextCSN shadow replica from database */
 457                 BerVarray csn = NULL;
 458
 459                 assert( si->si_rid < 1000 );
 460                 op->o_req_ndn = op->o_bd->be_nsuffix[0];
 461                 op->o_req_dn = op->o_req_ndn;
 462
 463                 /* try to read stored contextCSN */
 464                 backend_attribute( op, NULL, &op->o_req_ndn,
 465                         slap_schema.si_ad_contextCSN, &csn, ACL_READ );
 466                 if ( csn ) {
 467                         ch_free( si->si_syncCookie.ctxcsn.bv_val );
 468                         ber_dupbv( &si->si_syncCookie.ctxcsn, csn );
 469                         ber_bvarray_free_x( csn, op->o_tmpmemctx );
 470                 }
 471
 472                 si->si_syncCookie.rid = si->si_rid;
 473
 474                 LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
 475                         if ( si->si_rid == sc->rid ) {
 476                                 cmdline_cookie_found = 1;
 477                                 break;
 478                         }
 479                 }
 480
 481                 if ( cmdline_cookie_found ) {
 482                         /* cookie is supplied in the command line */
 483
 484                         LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
 485
 486                         /* ctxcsn wasn't parsed yet, do it now */
 487                         slap_parse_sync_cookie( sc, op->o_tmpmemctx );
 488                         if ( BER_BVISNULL( &sc->ctxcsn ) ) {
 489                                 /* if cmdline cookie does not have ctxcsn */
 490                                 /* component, set it to an initial value */
 491                                 slap_init_sync_cookie_ctxcsn( sc );
 492                         }
 493                         slap_sync_cookie_free( &si->si_syncCookie, 0 );
 494                         slap_dup_sync_cookie( &si->si_syncCookie, sc );
 495                         slap_sync_cookie_free( sc, 1 );
 496                 }
 497
 498                 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
 499                         &si->si_syncCookie.ctxcsn, si->si_syncCookie.rid );
 500         }
 501
 502         rc = ldap_sync_search( si, op->o_tmpmemctx );
 503
 504         if( rc != LDAP_SUCCESS ) {
 505                 Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
 506                         "ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
 507         }
 508
 509 done:
 510         if ( rc ) {
 511                 if ( si->si_ld ) {
 512                         ldap_unbind_ext( si->si_ld, NULL, NULL );
 513                         si->si_ld = NULL;
 514                 }
 515         }
 516
 517         return rc;
 518 }
 519
 520 static int
 521 do_syncrep2(
 522         Operation *op,
 523         syncinfo_t *si )
 524 {
 525         LDAPControl     **rctrls = NULL;
 526         LDAPControl     *rctrlp;
 527
 528         BerElementBuffer berbuf;
 529         BerElement      *ber = (BerElement *)&berbuf;
 530
 531         LDAPMessage     *res = NULL;
 532         LDAPMessage     *msg = NULL;
 533
 534         char            *retoid = NULL;
 535         struct berval   *retdata = NULL;
 536
 537         Entry           *entry = NULL;
 538
 539         int             syncstate;
 540         struct berval   syncUUID = BER_BVNULL;
 541         struct sync_cookie      syncCookie = { BER_BVNULL };
 542         struct sync_cookie      syncCookie_req = { BER_BVNULL };
 543         struct berval           cookie = BER_BVNULL;
 544
 545         int     rc, err, i;
 546         ber_len_t       len;
 547
 548         int rc_efree = 1;
 549
 550         struct berval   *psub;
 551         Modifications   *modlist = NULL;
 552
 553         const char              *text;
 554         int                             match;
 555
 556         struct timeval *tout_p = NULL;
 557         struct timeval tout = { 0, 0 };
 558
 559         int             refreshDeletes = 0;
 560         int             refreshDone = 1;
 561         BerVarray syncUUIDs = NULL;
 562         ber_tag_t si_tag;
 563
 564         if ( slapd_shutdown ) {
 565                 rc = -2;
 566                 goto done;
 567         }
 568
 569         ber_init2( ber, NULL, LBER_USE_DER );
 570         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 571
 572         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2\n", 0, 0, 0 );
 573
 574         psub = &si->si_be->be_nsuffix[0];
 575
 576         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 577
 578         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 579                 tout_p = &tout;
 580         } else {
 581                 tout_p = NULL;
 582         }
 583
 584         while (( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE,
 585                 tout_p, &res )) > 0 )
 586         {
 587                 if ( slapd_shutdown ) {
 588                         rc = -2;
 589                         goto done;
 590                 }
 591                 for( msg = ldap_first_message( si->si_ld, res );
 592                         msg != NULL;
 593                         msg = ldap_next_message( si->si_ld, msg ) )
 594                 {
 595                         if ( slapd_shutdown ) {
 596                                 rc = -2;
 597                                 goto done;
 598                         }
 599                         switch( ldap_msgtype( msg ) ) {
 600                         case LDAP_RES_SEARCH_ENTRY:
 601                                 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 602                                 /* we can't work without the control */
 603                                 if ( !rctrls ) {
 604                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: "
 605                                                 "got search entry without "
 606                                                 "control\n", 0, 0, 0 );
 607                                         rc = -1;
 608                                         goto done;
 609                                 }
 610                                 rctrlp = *rctrls;
 611                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 612                                 ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
 613                                 /* FIXME: what if syncUUID is NULL or empty? */
 614                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 615                                         ber_scanf( ber, /*"{"*/ "m}", &cookie );
 616                                         if ( !BER_BVISNULL( &cookie ) ) {
 617                                                 ch_free( syncCookie.octet_str.bv_val );
 618                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 619                                         }
 620                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 621                                         {
 622                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 623                                         }
 624                                 }
 625                                 if ( si->si_syncdata ) {
 626                                         entry = NULL;
 627                                         modlist = NULL;
 628                                         if ( syncrepl_message_to_op( si, op, msg ) == LDAP_SUCCESS &&
 629                                                 !BER_BVISNULL( &syncCookie.ctxcsn ) ) {
 630                                                 syncrepl_updateCookie( si, op, psub, &syncCookie );
 631                                         }
 632                                 } else if ( syncrepl_message_to_entry( si, op, msg,
 633                                         &modlist, &entry, syncstate ) == LDAP_SUCCESS ) {
 634                                         rc_efree = syncrepl_entry( si, op, entry, &modlist,
 635                                                 syncstate, &syncUUID, &syncCookie_req, &syncCookie.ctxcsn );
 636                                         if ( !BER_BVISNULL( &syncCookie.ctxcsn ) )
 637                                         {
 638                                                 syncrepl_updateCookie( si, op, psub, &syncCookie );
 639                                         }
 640                                 }
 641                                 ldap_controls_free( rctrls );
 642                                 if ( modlist ) {
 643                                         slap_mods_free( modlist, 1 );
 644                                 }
 645                                 if ( rc_efree && entry ) {
 646                                         entry_free( entry );
 647                                 }
 648                                 entry = NULL;
 649                                 break;
 650
 651                         case LDAP_RES_SEARCH_REFERENCE:
 652                                 Debug( LDAP_DEBUG_ANY,
 653                                         "do_syncrep2: reference received error\n", 0, 0, 0 );
 654                                 break;
 655
 656                         case LDAP_RES_SEARCH_RESULT:
 657                                 Debug( LDAP_DEBUG_SYNC,
 658                                         "do_syncrep2: LDAP_RES_SEARCH_RESULT\n", 0, 0, 0 );
 659                                 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 660                                         &rctrls, 0 );
 661                                 if ( rctrls ) {
 662                                         rctrlp = *rctrls;
 663                                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 664
 665                                         ber_scanf( ber, "{" /*"}"*/);
 666                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 667                                                 ber_scanf( ber, "m", &cookie );
 668                                                 if ( !BER_BVISNULL( &cookie ) ) {
 669                                                         ch_free( syncCookie.octet_str.bv_val );
 670                                                         ber_dupbv( &syncCookie.octet_str, &cookie);
 671                                                 }
 672                                                 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 673                                                 {
 674                                                         slap_parse_sync_cookie( &syncCookie, NULL );
 675                                                 }
 676                                         }
 677                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 678                                         {
 679                                                 ber_scanf( ber, "b", &refreshDeletes );
 680                                         }
 681                                         ber_scanf( ber, /*"{"*/ "}" );
 682                                 }
 683                                 if ( BER_BVISNULL( &syncCookie_req.ctxcsn )) {
 684                                         match = -1;
 685                                 } else if ( BER_BVISNULL( &syncCookie.ctxcsn )) {
 686                                         match = 1;
 687                                 } else {
 688                                         value_match( &match, slap_schema.si_ad_entryCSN,
 689                                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 690                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 691                                                 &syncCookie_req.ctxcsn, &syncCookie.ctxcsn,
 692                                                 &text );
 693                                 }
 694                                 if ( !BER_BVISNULL( &syncCookie.ctxcsn ) &&
 695                                         match < 0 && err == LDAP_SUCCESS )
 696                                 {
 697                                         syncrepl_updateCookie( si, op, psub, &syncCookie );
 698                                 }
 699                                 if ( rctrls ) {
 700                                         ldap_controls_free( rctrls );
 701                                 }
 702                                 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 703                                         /* FIXME : different error behaviors according to
 704                                          *      1) err code : LDAP_BUSY ...
 705                                          *      2) on err policy : stop service, stop sync, retry
 706                                          */
 707                                         if ( refreshDeletes == 0 && match < 0 &&
 708                                                 err == LDAP_SUCCESS )
 709                                         {
 710                                                 syncrepl_del_nonpresent( op, si, NULL );
 711                                         } else {
 712                                                 avl_free( si->si_presentlist, avl_ber_bvfree );
 713                                                 si->si_presentlist = NULL;
 714                                         }
 715                                 }
 716                                 rc = -2;
 717                                 goto done;
 718                                 break;
 719
 720                         case LDAP_RES_INTERMEDIATE:
 721                                 rc = ldap_parse_intermediate( si->si_ld, msg,
 722                                         &retoid, &retdata, NULL, 0 );
 723                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 724                                         ber_init2( ber, retdata, LBER_USE_DER );
 725
 726                                         switch ( si_tag = ber_peek_tag( ber, &len )) {
 727                                         ber_tag_t tag;
 728                                         case LDAP_TAG_SYNC_NEW_COOKIE:
 729                                                 Debug( LDAP_DEBUG_SYNC,
 730                                                         "do_syncrep2: %s - %s%s\n",
 731                                                         "LDAP_RES_INTERMEDIATE",
 732                                                         "NEW_COOKIE", "\n" );
 733                                                 ber_scanf( ber, "tm", &tag, &cookie );
 734                                                 break;
 735                                         case LDAP_TAG_SYNC_REFRESH_DELETE:
 736                                         case LDAP_TAG_SYNC_REFRESH_PRESENT:
 737                                                 Debug( LDAP_DEBUG_SYNC,
 738                                                         "do_syncrep2: %s - %s%s\n",
 739                                                         "LDAP_RES_INTERMEDIATE",
 740                                                         si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ?
 741                                                         "REFRESH_PRESENT" : "REFRESH_DELETE",
 742                                                         "\n" );
 743                                                 if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) {
 744                                                         si->si_refreshDelete = 1;
 745                                                 } else {
 746                                                         si->si_refreshPresent = 1;
 747                                                 }
 748                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 749                                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 750                                                 {
 751                                                         ber_scanf( ber, "m", &cookie );
 752                                                         if ( !BER_BVISNULL( &cookie ) ) {
 753                                                                 ch_free( syncCookie.octet_str.bv_val );
 754                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 755                                                         }
 756                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 757                                                         {
 758                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 759                                                         }
 760                                                 }
 761                                                 if ( ber_peek_tag( ber, &len ) ==
 762                                                         LDAP_TAG_REFRESHDONE )
 763                                                 {
 764                                                         ber_scanf( ber, "b", &refreshDone );
 765                                                 }
 766                                                 ber_scanf( ber, /*"{"*/ "}" );
 767                                                 break;
 768                                         case LDAP_TAG_SYNC_ID_SET:
 769                                                 Debug( LDAP_DEBUG_SYNC,
 770                                                         "do_syncrep2: %s - %s%s\n",
 771                                                         "LDAP_RES_INTERMEDIATE",
 772                                                         "SYNC_ID_SET",
 773                                                         "\n" );
 774                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 775                                                 if ( ber_peek_tag( ber, &len ) ==
 776                                                         LDAP_TAG_SYNC_COOKIE )
 777                                                 {
 778                                                         ber_scanf( ber, "m", &cookie );
 779                                                         if ( !BER_BVISNULL( &cookie ) ) {
 780                                                                 ch_free( syncCookie.octet_str.bv_val );
 781                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 782                                                         }
 783                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 784                                                         {
 785                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 786                                                         }
 787                                                 }
 788                                                 if ( ber_peek_tag( ber, &len ) ==
 789                                                         LDAP_TAG_REFRESHDELETES )
 790                                                 {
 791                                                         ber_scanf( ber, "b", &refreshDeletes );
 792                                                 }
 793                                                 ber_scanf( ber, "[W]", &syncUUIDs );
 794                                                 ber_scanf( ber, /*"{"*/ "}" );
 795                                                 if ( refreshDeletes ) {
 796                                                         syncrepl_del_nonpresent( op, si, syncUUIDs );
 797                                                         ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx );
 798                                                 } else {
 799                                                         for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) {
 800                                                                 struct berval *syncuuid_bv;
 801                                                                 syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
 802                                                                 slap_sl_free( syncUUIDs[i].bv_val,op->o_tmpmemctx );
 803                                                                 avl_insert( &si->si_presentlist,
 804                                                                         (caddr_t) syncuuid_bv,
 805                                                                         syncuuid_cmp, avl_dup_error );
 806                                                         }
 807                                                         slap_sl_free( syncUUIDs, op->o_tmpmemctx );
 808                                                 }
 809                                                 break;
 810                                         default:
 811                                                 Debug( LDAP_DEBUG_ANY,
 812                                                         "do_syncrep2 : unknown syncinfo tag (%ld)\n",
 813                                                 (long) si_tag, 0, 0 );
 814                                                 ldap_memfree( retoid );
 815                                                 ber_bvfree( retdata );
 816                                                 continue;
 817                                         }
 818
 819                                         if ( BER_BVISNULL( &syncCookie_req.ctxcsn )) {
 820                                                 match = -1;
 821                                         } else if ( BER_BVISNULL( &syncCookie.ctxcsn )) {
 822                                                 match = 1;
 823                                         } else {
 824                                                 value_match( &match, slap_schema.si_ad_entryCSN,
 825                                                         slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 826                                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 827                                                         &syncCookie_req.ctxcsn,
 828                                                         &syncCookie.ctxcsn, &text );
 829                                         }
 830
 831                                         if ( !BER_BVISNULL( &syncCookie.ctxcsn ) &&
 832                                                 match < 0 )
 833                                         {
 834                                                 syncrepl_updateCookie( si, op, psub, &syncCookie);
 835                                         }
 836
 837                                         if ( si->si_refreshPresent == 1 ) {
 838                                                 if ( match < 0 ) {
 839                                                         syncrepl_del_nonpresent( op, si, NULL );
 840                                                 }
 841                                         }
 842
 843                                         ldap_memfree( retoid );
 844                                         ber_bvfree( retdata );
 845                                         break;
 846
 847                                 } else {
 848                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
 849                                                 "unknown intermediate response (%d)\n",
 850                                                 rc, 0, 0 );
 851                                         ldap_memfree( retoid );
 852                                         ber_bvfree( retdata );
 853                                         break;
 854                                 }
 855                                 break;
 856
 857                         default:
 858                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
 859                                         "unknown message\n", 0, 0, 0 );
 860                                 break;
 861
 862                         }
 863                         if ( !BER_BVISNULL( &syncCookie.octet_str )) {
 864                                 slap_sync_cookie_free( &syncCookie_req, 0 );
 865                                 slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
 866                                 slap_sync_cookie_free( &syncCookie, 0 );
 867                         }
 868                 }
 869                 ldap_msgfree( res );
 870                 res = NULL;
 871         }
 872
 873         if ( rc == -1 ) {
 874                 const char *errstr;
 875
 876                 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
 877                 errstr = ldap_err2string( rc );
 878
 879                 Debug( LDAP_DEBUG_ANY,
 880                         "do_syncrep2 : %s\n", errstr, 0, 0 );
 881         }
 882
 883 done:
 884         slap_sync_cookie_free( &syncCookie, 0 );
 885         slap_sync_cookie_free( &syncCookie_req, 0 );
 886
 887         if ( res ) ldap_msgfree( res );
 888
 889         if ( rc && si->si_ld ) {
 890                 ldap_unbind_ext( si->si_ld, NULL, NULL );
 891                 si->si_ld = NULL;
 892         }
 893
 894         return rc;
 895 }
 896
 897 static void *
 898 do_syncrepl(
 899         void    *ctx,
 900         void    *arg )
 901 {
 902         struct re_s* rtask = arg;
 903         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
 904         Connection conn = {0};
 905         OperationBuffer opbuf;
 906         Operation *op;
 907         int rc = LDAP_SUCCESS;
 908         int first = 0;
 909         int dostop = 0;
 910         ber_socket_t s;
 911         int i, defer = 1;
 912         Backend *be;
 913
 914         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl\n", 0, 0, 0 );
 915
 916         if ( si == NULL )
 917                 return NULL;
 918
 919         ldap_pvt_thread_mutex_lock( &si->si_mutex );
 920
 921         switch( abs( si->si_type )) {
 922         case LDAP_SYNC_REFRESH_ONLY:
 923         case LDAP_SYNC_REFRESH_AND_PERSIST:
 924                 break;
 925         default:
 926                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
 927                 return NULL;
 928         }
 929
 930         if ( slapd_shutdown ) {
 931                 if ( si->si_ld ) {
 932                         ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 933                         connection_client_stop( s );
 934                         ldap_unbind_ext( si->si_ld, NULL, NULL );
 935                         si->si_ld = NULL;
 936                 }
 937                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
 938                 return NULL;
 939         }
 940
 941         op = (Operation *) &opbuf;
 942         connection_fake_init( &conn, op, ctx );
 943
 944         /* use global malloc for now */
 945         op->o_tmpmemctx = NULL;
 946         op->o_tmpmfuncs = &ch_mfuncs;
 947
 948         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
 949         op->o_bd = be = si->si_be;
 950         op->o_dn = op->o_bd->be_rootdn;
 951         op->o_ndn = op->o_bd->be_rootndn;
 952
 953         /* Establish session, do search */
 954         if ( !si->si_ld ) {
 955                 first = 1;
 956                 si->si_refreshDelete = 0;
 957                 si->si_refreshPresent = 0;
 958                 rc = do_syncrep1( op, si );
 959         }
 960
 961         /* Process results */
 962         if ( rc == LDAP_SUCCESS ) {
 963                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 964
 965                 rc = do_syncrep2( op, si );
 966
 967                 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 968                         /* If we succeeded, enable the connection for further listening.
 969                          * If we failed, tear down the connection and reschedule.
 970                          */
 971                         if ( rc == LDAP_SUCCESS ) {
 972                                 if ( first ) {
 973                                         rc = connection_client_setup( s, do_syncrepl, arg );
 974                                 } else {
 975                                         connection_client_enable( s );
 976                                 }
 977                         } else if ( !first ) {
 978                                 dostop = 1;
 979                         }
 980                 } else {
 981                         if ( rc == -2 ) rc = 0;
 982                 }
 983         }
 984
 985         /* At this point, we have 4 cases:
 986          * 1) for any hard failure, give up and remove this task
 987          * 2) for ServerDown, reschedule this task to run
 988          * 3) for Refresh and Success, reschedule to run
 989          * 4) for Persist and Success, reschedule to defer
 990          */
 991         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 992
 993         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask )) {
 994                 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
 995         }
 996
 997         if ( dostop ) {
 998                 connection_client_stop( s );
 999         }
1000
1001         if ( rc == LDAP_SUCCESS ) {
1002                 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
1003                         defer = 0;
1004                 }
1005                 rtask->interval.tv_sec = si->si_interval;
1006                 ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
1007                 if ( si->si_retrynum ) {
1008                         for ( i = 0; si->si_retrynum_init[i] != -2; i++ ) {
1009                                 si->si_retrynum[i] = si->si_retrynum_init[i];
1010                         }
1011                         si->si_retrynum[i] = -2;
1012                 }
1013         } else {
1014                 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
1015                         if ( si->si_retrynum[i] == -1  || si->si_retrynum[i] == -2 )
1016                                 break;
1017                 }
1018
1019                 if ( !si->si_retrynum || si->si_retrynum[i] == -2 ) {
1020                         ldap_pvt_runqueue_remove( &slapd_rq, rtask );
1021                 } else if ( si->si_retrynum[i] >= -1 ) {
1022                         if ( si->si_retrynum[i] > 0 )
1023                                 si->si_retrynum[i]--;
1024                         rtask->interval.tv_sec = si->si_retryinterval[i];
1025                         ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1026                         slap_wake_listener();
1027                 }
1028         }
1029
1030         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1031         ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1032
1033         return NULL;
1034 }
1035
1036 typedef struct logschema {
1037         struct berval ls_dn;
1038         struct berval ls_req;
1039         struct berval ls_mod;
1040         struct berval ls_newRdn;
1041         struct berval ls_delRdn;
1042         struct berval ls_newSup;
1043 } logschema;
1044
1045 static logschema changelog_sc = {
1046         BER_BVC("targetDN"),
1047         BER_BVC("changeType"),
1048         BER_BVC("changes"),
1049         BER_BVC("newRDN"),
1050         BER_BVC("deleteOldRDN"),
1051         BER_BVC("newSuperior")
1052 };
1053
1054 static logschema accesslog_sc = {
1055         BER_BVC("reqDN"),
1056         BER_BVC("reqType"),
1057         BER_BVC("reqMod"),
1058         BER_BVC("reqNewRDN"),
1059         BER_BVC("reqDeleteOldRDN"),
1060         BER_BVC("reqNewSuperior")
1061 };
1062
1063 static slap_verbmasks modops[] = {
1064         { BER_BVC("add"), LDAP_REQ_ADD },
1065         { BER_BVC("delete"), LDAP_REQ_DELETE },
1066         { BER_BVC("modify"), LDAP_REQ_MODIFY },
1067         { BER_BVC("modrdn"), LDAP_REQ_MODRDN},
1068         { BER_BVNULL, 0 }
1069 };
1070
1071 static Modifications *
1072 syncrepl_accesslog_mods(
1073         syncinfo_t *si,
1074         struct berval *vals
1075 )
1076 {
1077         char *colon;
1078         const char *text;
1079         AttributeDescription *ad;
1080         struct berval bv, bv2;
1081         short op;
1082         Modifications *mod = NULL, *modlist = NULL, **modtail;
1083         int i;
1084
1085         modtail = &modlist;
1086
1087         for (i=0; !BER_BVISNULL( &vals[i] ); i++) {
1088                 ad = NULL;
1089                 bv = vals[i];
1090
1091                 colon = strchr( bv.bv_val, ':' );
1092                 if ( !colon )
1093                         continue;       /* invalid */
1094                 bv.bv_len = colon - bv.bv_val;
1095                 if ( slap_bv2ad( &bv, &ad, &text )) {
1096                         /* Invalid */
1097                         continue;
1098                 }
1099                 /* Ignore dynamically generated attrs */
1100                 if ( ad->ad_type->sat_flags & SLAP_AT_DYNAMIC )
1101                         continue;
1102                 /* Ignore excluded attrs */
1103                 if ( ldap_charray_inlist( si->si_exattrs,
1104                         ad->ad_type->sat_cname.bv_val ))
1105                         continue;
1106
1107                 switch(colon[1]) {
1108                 case '+':       op = LDAP_MOD_ADD; break;
1109                 case '-':       op = LDAP_MOD_DELETE; break;
1110                 case '=':       op = LDAP_MOD_REPLACE; break;
1111                 case '#':       op = LDAP_MOD_INCREMENT; break;
1112                 default:        continue;
1113                 }
1114
1115                 if ( !mod || ad != mod->sml_desc || op != mod->sml_op ) {
1116                         mod = (Modifications *) ch_malloc( sizeof( Modifications ));
1117                         mod->sml_flags = 0;
1118                         mod->sml_op = op;
1119                         mod->sml_next = NULL;
1120                         mod->sml_desc = ad;
1121                         mod->sml_type = ad->ad_cname;
1122                         mod->sml_values = NULL;
1123                         mod->sml_nvalues = NULL;
1124
1125                         *modtail = mod;
1126                         modtail = &mod->sml_next;
1127                 }
1128                 bv.bv_val = colon + 3;
1129                 bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val );
1130                 ber_dupbv( &bv2, &bv );
1131                 ber_bvarray_add( &mod->sml_values, &bv2 );
1132         }
1133         return modlist;
1134 }
1135
1136 static Modifications *
1137 syncrepl_changelog_mods(
1138         syncinfo_t *si,
1139         struct berval *vals
1140 )
1141 {
1142         return NULL;    /* FIXME */
1143 }
1144
1145 static int
1146 syncrepl_message_to_op(
1147         syncinfo_t      *si,
1148         Operation       *op,
1149         LDAPMessage     *msg
1150 )
1151 {
1152         BerElement      *ber = NULL;
1153         Modifications   *modlist = NULL;
1154         logschema *ls;
1155         SlapReply rs = { REP_RESULT };
1156         slap_callback cb = { NULL, null_callback, NULL, NULL };
1157
1158         const char      *text;
1159         char txtbuf[SLAP_TEXT_BUFLEN];
1160         size_t textlen = sizeof txtbuf;
1161
1162         struct berval   bdn, dn = BER_BVNULL, ndn;
1163         struct berval   bv, *bvals = NULL;
1164         struct berval   rdn = BER_BVNULL, sup = BER_BVNULL,
1165                 prdn = BER_BVNULL, nrdn = BER_BVNULL,
1166                 psup = BER_BVNULL, nsup = BER_BVNULL;
1167         int             rc, deleteOldRdn = 0;
1168
1169         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1170                 Debug( LDAP_DEBUG_ANY,
1171                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
1172                 return -1;
1173         }
1174
1175         if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
1176                 ls = &accesslog_sc;
1177         else
1178                 ls = &changelog_sc;
1179
1180         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1181
1182         if ( rc != LDAP_SUCCESS ) {
1183                 Debug( LDAP_DEBUG_ANY,
1184                         "syncrepl_message_to_op : dn get failed (%d)", rc, 0, 0 );
1185                 return rc;
1186         }
1187
1188         op->o_tag = LBER_DEFAULT;
1189
1190         while (( rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, &bvals ))
1191                 == LDAP_SUCCESS ) {
1192                 if ( bv.bv_val == NULL )
1193                         break;
1194
1195                 if ( !ber_bvstrcasecmp( &bv, &ls->ls_dn )) {
1196                         bdn = bvals[0];
1197                         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1198                         ber_dupbv( &op->o_req_dn, &dn );
1199                         ber_dupbv( &op->o_req_ndn, &ndn );
1200                         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1201                         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1202                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_req )) {
1203                         int i = verb_to_mask( bvals[0].bv_val, modops );
1204                         if ( i < 0 ) {
1205                                 Debug( LDAP_DEBUG_ANY,
1206                                         "syncrepl_message_to_op : unknown op %s",
1207                                         bvals[0].bv_val, 0, 0 );
1208                                 ch_free( bvals );
1209                                 rc = -1;
1210                                 goto done;
1211                         }
1212                         op->o_tag = modops[i].mask;
1213                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_mod )) {
1214                         /* Parse attribute into modlist */
1215                         if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
1216                                 modlist = syncrepl_accesslog_mods( si, bvals );
1217                         else
1218                                 modlist = syncrepl_changelog_mods( si, bvals );
1219                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newRdn )) {
1220                         rdn = bvals[0];
1221                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_delRdn )) {
1222                         if ( !ber_bvstrcasecmp( &slap_true_bv, bvals ))
1223                                 deleteOldRdn = 1;
1224                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup )) {
1225                         sup = bvals[0];
1226                 }
1227                 ch_free( bvals );
1228         }
1229
1230         /* If we didn't get a mod type or a target DN, bail out */
1231         if ( op->o_tag == LBER_DEFAULT || BER_BVISNULL( &dn )) {
1232                 rc = -1;
1233                 goto done;
1234         }
1235
1236         op->o_callback = &cb;
1237
1238         switch( op->o_tag ) {
1239         case LDAP_REQ_ADD:
1240         case LDAP_REQ_MODIFY:
1241                 /* If we didn't get required data, bail */
1242                 if ( !modlist ) goto done;
1243
1244                 rc = slap_mods_check( modlist, &text, txtbuf, textlen, NULL );
1245
1246                 if ( rc != LDAP_SUCCESS ) {
1247                         Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: mods check (%s)\n",
1248                                 text, 0, 0 );
1249                         goto done;
1250                 }
1251
1252                 if ( op->o_tag == LDAP_REQ_ADD ) {
1253                         op->ora_e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
1254                         op->ora_e->e_name = op->o_req_dn;
1255                         op->ora_e->e_nname = op->o_req_ndn;
1256                         rc = slap_mods2entry( modlist, &op->ora_e, 1, 0, &text, txtbuf, textlen);
1257                         if( rc != LDAP_SUCCESS ) {
1258                                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: mods2entry (%s)\n",
1259                                         text, 0, 0 );
1260                         } else {
1261                                 rc = op->o_bd->be_add( op, &rs );
1262                         }
1263                         be_entry_release_w( op, op->ora_e );
1264                 } else {
1265                         op->orm_modlist = modlist;
1266                         rc = op->o_bd->be_modify( op, &rs );
1267                 }
1268                 break;
1269         case LDAP_REQ_MODRDN:
1270                 if ( BER_BVISNULL( &rdn )) goto done;
1271
1272                 if ( rdnPretty( NULL, &rdn, &prdn, NULL ))
1273                         goto done;
1274                 if ( rdnNormalize( 0, NULL, NULL, &rdn, &nrdn, NULL ))
1275                         goto done;
1276                 if ( !BER_BVISNULL( &sup )) {
1277                         if ( dnPrettyNormal( NULL, &sup, &psup, &nsup, NULL ))
1278                                 goto done;
1279                         op->orr_newSup = &psup;
1280                         op->orr_nnewSup = &nsup;
1281                 }
1282                 op->orr_newrdn = prdn;
1283                 op->orr_nnewrdn = nrdn;
1284                 op->orr_deleteoldrdn = deleteOldRdn;
1285                 rc = op->o_bd->be_modrdn( op, &rs );
1286                 break;
1287         }
1288 done:
1289         if ( modlist )
1290                 slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
1291         if ( !BER_BVISNULL( &rdn )) {
1292                 if ( !BER_BVISNULL( &nsup ))
1293                         ch_free( nsup.bv_val );
1294                 if ( !BER_BVISNULL( &psup ))
1295                         ch_free( psup.bv_val );
1296                 if ( !BER_BVISNULL( &nrdn ))
1297                         ch_free( nrdn.bv_val );
1298                 if ( !BER_BVISNULL( &prdn ))
1299                         ch_free( prdn.bv_val );
1300         }
1301         ber_free ( ber, 0 );
1302         return rc;
1303 }
1304
1305 static int
1306 syncrepl_message_to_entry(
1307         syncinfo_t      *si,
1308         Operation       *op,
1309         LDAPMessage     *msg,
1310         Modifications   **modlist,
1311         Entry                   **entry,
1312         int             syncstate
1313 )
1314 {
1315         Entry           *e = NULL;
1316         BerElement      *ber = NULL;
1317         Modifications   tmp;
1318         Modifications   *mod;
1319         Modifications   **modtail = modlist;
1320
1321         const char      *text;
1322         char txtbuf[SLAP_TEXT_BUFLEN];
1323         size_t textlen = sizeof txtbuf;
1324
1325         struct berval   bdn = {0, NULL}, dn, ndn;
1326         int             rc;
1327
1328         *modlist = NULL;
1329
1330         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1331                 Debug( LDAP_DEBUG_ANY,
1332                         "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
1333                 return -1;
1334         }
1335
1336         op->o_tag = LDAP_REQ_ADD;
1337
1338         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1339
1340         if ( rc != LDAP_SUCCESS ) {
1341                 Debug( LDAP_DEBUG_ANY,
1342                         "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
1343                 return rc;
1344         }
1345
1346         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1347         ber_dupbv( &op->o_req_dn, &dn );
1348         ber_dupbv( &op->o_req_ndn, &ndn );
1349         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1350         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1351
1352         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1353                 if ( entry )
1354                         *entry = NULL;
1355                 return LDAP_SUCCESS;
1356         }
1357
1358         if ( entry == NULL ) {
1359                 return -1;
1360         }
1361
1362         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
1363         *entry = e;
1364         e->e_name = op->o_req_dn;
1365         e->e_nname = op->o_req_ndn;
1366
1367         while ( ber_remaining( ber ) ) {
1368                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1369                         LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) )
1370                 {
1371                         break;
1372                 }
1373
1374                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ));
1375
1376                 mod->sml_op = LDAP_MOD_REPLACE;
1377                 mod->sml_flags = 0;
1378                 mod->sml_next = NULL;
1379                 mod->sml_desc = NULL;
1380                 mod->sml_type = tmp.sml_type;
1381                 mod->sml_values = tmp.sml_values;
1382                 mod->sml_nvalues = NULL;
1383
1384                 *modtail = mod;
1385                 modtail = &mod->sml_next;
1386         }
1387
1388         if ( *modlist == NULL ) {
1389                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: no attributes\n",
1390                         0, 0, 0 );
1391                 rc = -1;
1392                 goto done;
1393         }
1394
1395         rc = slap_mods_check( *modlist, &text, txtbuf, textlen, NULL );
1396
1397         if ( rc != LDAP_SUCCESS ) {
1398                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods check (%s)\n",
1399                         text, 0, 0 );
1400                 goto done;
1401         }
1402
1403         /* Strip out dynamically generated attrs */
1404         for ( modtail = modlist; *modtail ; ) {
1405                 mod = *modtail;
1406                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1407                         *modtail = mod->sml_next;
1408                         slap_mod_free( &mod->sml_mod, 0 );
1409                         ch_free( mod );
1410                 } else {
1411                         modtail = &mod->sml_next;
1412                 }
1413         }
1414
1415         /* Strip out attrs in exattrs list */
1416         for ( modtail = modlist; *modtail ; ) {
1417                 mod = *modtail;
1418                 if ( ldap_charray_inlist( si->si_exattrs,
1419                                         mod->sml_desc->ad_type->sat_cname.bv_val )) {
1420                         *modtail = mod->sml_next;
1421                         slap_mod_free( &mod->sml_mod, 0 );
1422                         ch_free( mod );
1423                 } else {
1424                         modtail = &mod->sml_next;
1425                 }
1426         }
1427
1428         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1429         if( rc != LDAP_SUCCESS ) {
1430                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods2entry (%s)\n",
1431                         text, 0, 0 );
1432         }
1433
1434 done:
1435         ber_free ( ber, 0 );
1436         if ( rc != LDAP_SUCCESS ) {
1437                 if ( e ) {
1438                         entry_free( e );
1439                         *entry = e = NULL;
1440                 }
1441         }
1442
1443         return rc;
1444 }
1445
1446 static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
1447
1448 /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
1449  * entry if a previous refresh was interrupted before sending us a new
1450  * context state. We try to compare the new entry to the existing entry
1451  * and ignore the new entry if they are the same.
1452  *
1453  * Also, we may get an update where the entryDN has changed, due to
1454  * a ModDn on the provider. We detect this as well, so we can issue
1455  * the corresponding operation locally.
1456  *
1457  * In the case of a modify, we get a list of all the attributes
1458  * in the original entry. Rather than deleting the entry and re-adding it,
1459  * we issue a Modify request that deletes all the attributes and adds all
1460  * the new ones. This avoids the issue of trying to delete/add a non-leaf
1461  * entry.
1462  *
1463  * We don't try to otherwise distinguish ModDN from Modify; in the case of
1464  * a ModDN we will issue both operations on the local database.
1465  */
1466 typedef struct dninfo {
1467         Entry *new_entry;
1468         struct berval dn;
1469         struct berval ndn;
1470         int renamed;    /* Was an existing entry renamed? */
1471         int wasChanged; /* are the attributes changed? */
1472         int attrs;              /* how many attribute types are in the ads list */
1473         AttributeDescription **ads;
1474 } dninfo;
1475
1476 static int
1477 syncrepl_entry(
1478         syncinfo_t* si,
1479         Operation *op,
1480         Entry* entry,
1481         Modifications** modlist,
1482         int syncstate,
1483         struct berval* syncUUID,
1484         struct sync_cookie* syncCookie_req,
1485         struct berval* syncCSN )
1486 {
1487         Backend *be = op->o_bd;
1488         slap_callback   cb = { NULL, NULL, NULL, NULL };
1489         struct berval   *syncuuid_bv = NULL;
1490         struct berval   syncUUID_strrep = BER_BVNULL;
1491         struct berval   uuid_bv = BER_BVNULL;
1492
1493         SlapReply       rs_search = {REP_RESULT};
1494         SlapReply       rs_delete = {REP_RESULT};
1495         SlapReply       rs_add = {REP_RESULT};
1496         SlapReply       rs_modify = {REP_RESULT};
1497         Filter f = {0};
1498 #ifdef LDAP_COMP_MATCH
1499         AttributeAssertion ava = { NULL, BER_BVNULL, NULL };
1500 #else
1501         AttributeAssertion ava = { NULL, BER_BVNULL };
1502 #endif
1503         int rc = LDAP_SUCCESS;
1504         int ret = LDAP_SUCCESS;
1505
1506         struct berval pdn = BER_BVNULL;
1507         dninfo dni = {0};
1508         int     retry = 1;
1509
1510         switch( syncstate ) {
1511         case LDAP_SYNC_PRESENT:
1512                 Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
1513                                         "syncrepl_entry",
1514                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_PRESENT)", 0 );
1515                 break;
1516         case LDAP_SYNC_ADD:
1517                 Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
1518                                         "syncrepl_entry",
1519                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD)", 0 );
1520                 break;
1521         case LDAP_SYNC_DELETE:
1522                 Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
1523                                         "syncrepl_entry",
1524                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_DELETE)", 0 );
1525                 break;
1526         case LDAP_SYNC_MODIFY:
1527                 Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
1528                                         "syncrepl_entry",
1529                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_MODIFY)", 0 );
1530                 break;
1531         default:
1532                 Debug( LDAP_DEBUG_ANY, "%s: %s\n",
1533                                         "syncrepl_entry",
1534                                         "LDAP_RES_SEARCH_ENTRY(UNKNOWN syncstate)", 0 );
1535         }
1536
1537         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD )) {
1538                 if ( !si->si_refreshPresent ) {
1539                         syncuuid_bv = ber_dupbv( NULL, syncUUID );
1540                         avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1541                                 syncuuid_cmp, avl_dup_error );
1542                 }
1543         }
1544
1545         if ( syncstate == LDAP_SYNC_PRESENT ) {
1546                 return 0;
1547         } else if ( syncstate != LDAP_SYNC_DELETE ) {
1548                 if ( entry == NULL ) {
1549                         return 0;
1550                 }
1551         }
1552
1553         f.f_choice = LDAP_FILTER_EQUALITY;
1554         f.f_ava = &ava;
1555         ava.aa_desc = slap_schema.si_ad_entryUUID;
1556         (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1557         ava.aa_value = *syncUUID;
1558         op->ors_filter = &f;
1559
1560         op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID->bv_len;
1561         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
1562                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1563         AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) );
1564         AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )],
1565                 syncUUID->bv_val, syncUUID->bv_len );
1566         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
1567         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1568
1569         op->o_tag = LDAP_REQ_SEARCH;
1570         op->ors_scope = LDAP_SCOPE_SUBTREE;
1571         op->ors_deref = LDAP_DEREF_NEVER;
1572
1573         /* get the entry for this UUID */
1574         op->o_req_dn = si->si_base;
1575         op->o_req_ndn = si->si_base;
1576
1577         op->o_time = slap_get_time();
1578         op->ors_tlimit = SLAP_NO_LIMIT;
1579         op->ors_slimit = 1;
1580
1581         op->ors_attrs = slap_anlist_all_attributes;
1582         op->ors_attrsonly = 0;
1583
1584         /* set callback function */
1585         op->o_callback = &cb;
1586         cb.sc_response = dn_callback;
1587         cb.sc_private = &dni;
1588         dni.new_entry = entry;
1589
1590         if ( limits_check( op, &rs_search ) == 0 ) {
1591                 rc = be->be_search( op, &rs_search );
1592                 Debug( LDAP_DEBUG_SYNC,
1593                                 "syncrepl_entry: %s (%d)\n",
1594                                 "be_search", rc, 0 );
1595         }
1596
1597         if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
1598                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1599         }
1600
1601         cb.sc_response = null_callback;
1602         cb.sc_private = si;
1603
1604         if ( entry && !BER_BVISNULL( &entry->e_name ) ) {
1605                 Debug( LDAP_DEBUG_SYNC,
1606                                 "syncrepl_entry: %s\n",
1607                                 entry->e_name.bv_val, 0, 0 );
1608         } else {
1609                 Debug( LDAP_DEBUG_SYNC,
1610                                 "syncrepl_entry: %s\n",
1611                                 dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0, 0 );
1612         }
1613
1614         if ( syncstate != LDAP_SYNC_DELETE ) {
1615                 Attribute       *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID );
1616
1617                 if ( a == NULL ) {
1618                         /* add if missing */
1619                         attr_merge_one( entry, slap_schema.si_ad_entryUUID,
1620                                 &syncUUID_strrep, syncUUID );
1621
1622                 } else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) {
1623                         /* replace only if necessary */
1624                         if ( a->a_nvals != a->a_vals ) {
1625                                 ber_memfree( a->a_nvals[0].bv_val );
1626                                 ber_dupbv( &a->a_nvals[0], syncUUID );
1627                         }
1628                         ber_memfree( a->a_vals[0].bv_val );
1629                         ber_dupbv( &a->a_vals[0], &syncUUID_strrep );
1630                 }
1631         }
1632
1633         switch ( syncstate ) {
1634         case LDAP_SYNC_ADD:
1635         case LDAP_SYNC_MODIFY:
1636                 {
1637                         Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN );
1638                         if ( a )
1639                                 op->o_csn = a->a_vals[0];
1640                 }
1641 retry_add:;
1642                 if ( BER_BVISNULL( &dni.dn )) {
1643
1644                         op->o_req_dn = entry->e_name;
1645                         op->o_req_ndn = entry->e_nname;
1646                         op->o_tag = LDAP_REQ_ADD;
1647                         op->ora_e = entry;
1648
1649                         rc = be->be_add( op, &rs_add );
1650                         Debug( LDAP_DEBUG_SYNC,
1651                                         "syncrepl_entry: %s (%d)\n",
1652                                         "be_add", rc, 0 );
1653                         switch ( rs_add.sr_err ) {
1654                         case LDAP_SUCCESS:
1655                                 be_entry_release_w( op, entry );
1656                                 ret = 0;
1657                                 break;
1658
1659                         case LDAP_REFERRAL:
1660                         /* we assume that LDAP_NO_SUCH_OBJECT is returned
1661                          * only if the suffix entry is not present */
1662                         case LDAP_NO_SUCH_OBJECT:
1663                                 syncrepl_add_glue( op, entry );
1664                                 ret = 0;
1665                                 break;
1666
1667                         /* if an entry was added via syncrepl_add_glue(),
1668                          * it likely has no entryUUID, so the previous
1669                          * be_search() doesn't find it.  In this case,
1670                          * give syncrepl a chance to modify it. Also
1671                          * allow for entries that were recreated with the
1672                          * same DN but a different entryUUID.
1673                          */
1674                         case LDAP_ALREADY_EXISTS:
1675                                 if ( retry ) {
1676                                         Operation       op2 = *op;
1677                                         SlapReply       rs2 = { 0 };
1678                                         slap_callback   cb2 = { 0 };
1679
1680                                         op2.o_tag = LDAP_REQ_SEARCH;
1681                                         op2.o_req_dn = entry->e_name;
1682                                         op2.o_req_ndn = entry->e_nname;
1683                                         op2.ors_scope = LDAP_SCOPE_BASE;
1684                                         op2.ors_deref = LDAP_DEREF_NEVER;
1685                                         op2.ors_attrs = slap_anlist_all_attributes;
1686                                         op2.ors_attrsonly = 0;
1687                                         op2.ors_limit = NULL;
1688                                         op2.ors_slimit = 1;
1689                                         op2.ors_tlimit = SLAP_NO_LIMIT;
1690
1691                                         f.f_choice = LDAP_FILTER_PRESENT;
1692                                         f.f_desc = slap_schema.si_ad_objectClass;
1693                                         op2.ors_filter = &f;
1694                                         op2.ors_filterstr = generic_filterstr;
1695
1696                                         op2.o_callback = &cb2;
1697                                         cb2.sc_response = dn_callback;
1698                                         cb2.sc_private = &dni;
1699
1700                                         be->be_search( &op2, &rs2 );
1701
1702                                         retry = 0;
1703                                         goto retry_add;
1704                                 }
1705                                 /* FALLTHRU */
1706
1707                         default:
1708                                 Debug( LDAP_DEBUG_ANY,
1709                                         "syncrepl_entry : be_add failed (%d)\n",
1710                                         rs_add.sr_err, 0, 0 );
1711                                 ret = 1;
1712                                 break;
1713                         }
1714                         goto done;
1715                 }
1716                 /* FALLTHRU */
1717                 op->o_req_dn = dni.dn;
1718                 op->o_req_ndn = dni.ndn;
1719                 if ( dni.renamed ) {
1720                         struct berval noldp, newp, nnewp;
1721
1722                         op->o_tag = LDAP_REQ_MODRDN;
1723                         dnRdn( &entry->e_name, &op->orr_newrdn );
1724                         dnRdn( &entry->e_nname, &op->orr_nnewrdn );
1725
1726                         dnParent( &dni.ndn, &noldp );
1727                         dnParent( &entry->e_nname, &nnewp );
1728                         if ( !dn_match( &noldp, &newp )) {
1729                                 dnParent( &entry->e_name, &newp );
1730                                 op->orr_newSup = &newp;
1731                                 op->orr_nnewSup = &nnewp;
1732                         }
1733                         op->orr_deleteoldrdn = 0;
1734                         rc = be->be_modrdn( op, &rs_modify );
1735                         Debug( LDAP_DEBUG_SYNC,
1736                                         "syncrepl_entry: %s (%d)\n",
1737                                         "be_modrdn", rc, 0 );
1738                         if ( rs_modify.sr_err == LDAP_SUCCESS ) {
1739                                 op->o_req_dn = entry->e_name;
1740                                 op->o_req_ndn = entry->e_nname;
1741                         } else {
1742                                 ret = 1;
1743                                 goto done;
1744                         }
1745                 }
1746                 if ( dni.wasChanged ) {
1747                         Modifications *mod, *modhead = NULL;
1748                         Modifications *modtail = NULL;
1749                         int i;
1750
1751                         op->o_tag = LDAP_REQ_MODIFY;
1752
1753                         assert( *modlist != NULL );
1754
1755                         /* Delete all the old attrs */
1756                         for ( i = 0; i < dni.attrs; i++ ) {
1757                                 mod = ch_malloc( sizeof( Modifications ) );
1758                                 mod->sml_op = LDAP_MOD_DELETE;
1759                                 mod->sml_flags = 0;
1760                                 mod->sml_desc = dni.ads[i];
1761                                 mod->sml_type = mod->sml_desc->ad_cname;
1762                                 mod->sml_values = NULL;
1763                                 mod->sml_nvalues = NULL;
1764                                 if ( !modhead ) modhead = mod;
1765                                 if ( modtail ) {
1766                                         modtail->sml_next = mod;
1767                                 }
1768                                 modtail = mod;
1769                         }
1770
1771                         /* Append passed in list to ours */
1772                         if ( modtail ) {
1773                                 modtail->sml_next = *modlist;
1774                                 *modlist = modhead;
1775                         } else {
1776                                 mod = *modlist;
1777                         }
1778
1779                         /* Find end of this list */
1780                         for ( ; mod != NULL; mod = mod->sml_next ) {
1781                                 modtail = mod;
1782                         }
1783
1784                         mod = (Modifications *)ch_calloc(1, sizeof(Modifications));
1785                         mod->sml_op = LDAP_MOD_REPLACE;
1786                         mod->sml_flags = 0;
1787                         mod->sml_desc = slap_schema.si_ad_entryUUID;
1788                         mod->sml_type = mod->sml_desc->ad_cname;
1789                         ber_dupbv( &uuid_bv, &syncUUID_strrep );
1790                         ber_bvarray_add( &mod->sml_values, &uuid_bv );
1791                         ber_dupbv( &uuid_bv, syncUUID );
1792                         ber_bvarray_add( &mod->sml_nvalues, &uuid_bv );
1793                         modtail->sml_next = mod;
1794
1795                         op->o_tag = LDAP_REQ_MODIFY;
1796                         op->orm_modlist = *modlist;
1797
1798                         rc = be->be_modify( op, &rs_modify );
1799                         Debug( LDAP_DEBUG_SYNC,
1800                                         "syncrepl_entry: %s (%d)\n",
1801                                         "be_modify", rc, 0 );
1802                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
1803                                 Debug( LDAP_DEBUG_ANY,
1804                                         "syncrepl_entry : be_modify failed (%d)\n",
1805                                         rs_modify.sr_err, 0, 0 );
1806                         }
1807                 }
1808                 ret = 1;
1809                 goto done;
1810         case LDAP_SYNC_DELETE :
1811                 if ( !BER_BVISNULL( &dni.dn )) {
1812                         op->o_req_dn = dni.dn;
1813                         op->o_req_ndn = dni.ndn;
1814                         op->o_tag = LDAP_REQ_DELETE;
1815                         rc = be->be_delete( op, &rs_delete );
1816                         Debug( LDAP_DEBUG_SYNC,
1817                                         "syncrepl_entry: %s (%d)\n",
1818                                         "be_delete", rc, 0 );
1819
1820                         while ( rs_delete.sr_err == LDAP_SUCCESS
1821                                 && op->o_delete_glue_parent ) {
1822                                 op->o_delete_glue_parent = 0;
1823                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1824                                         slap_callback cb = { NULL };
1825                                         cb.sc_response = slap_null_cb;
1826                                         dnParent( &op->o_req_ndn, &pdn );
1827                                         op->o_req_dn = pdn;
1828                                         op->o_req_ndn = pdn;
1829                                         op->o_callback = &cb;
1830                                         op->o_bd->be_delete( op, &rs_delete );
1831                                 } else {
1832                                         break;
1833                                 }
1834                         }
1835                 }
1836                 ret = 0;
1837                 goto done;
1838
1839         default :
1840                 Debug( LDAP_DEBUG_ANY,
1841                         "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1842                 ret = 1;
1843                 goto done;
1844         }
1845
1846 done :
1847         if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
1848                 slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
1849                 BER_BVZERO( &syncUUID_strrep );
1850         }
1851         if ( dni.ads ) {
1852                 op->o_tmpfree( dni.ads, op->o_tmpmemctx );
1853         }
1854         if ( !BER_BVISNULL( &dni.ndn ) ) {
1855                 op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
1856         }
1857         if ( !BER_BVISNULL( &dni.dn ) ) {
1858                 op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
1859         }
1860         BER_BVZERO( &op->o_csn );
1861         return ret;
1862 }
1863
1864 static struct berval gcbva[] = {
1865         BER_BVC("top"),
1866         BER_BVC("glue"),
1867         BER_BVNULL
1868 };
1869
1870 #define NP_DELETE_ONE   2
1871
1872 static void
1873 syncrepl_del_nonpresent(
1874         Operation *op,
1875         syncinfo_t *si,
1876         BerVarray uuids )
1877 {
1878         Backend* be = op->o_bd;
1879         slap_callback   cb = { NULL };
1880         SlapReply       rs_search = {REP_RESULT};
1881         SlapReply       rs_delete = {REP_RESULT};
1882         SlapReply       rs_modify = {REP_RESULT};
1883         struct nonpresent_entry *np_list, *np_prev;
1884         int rc;
1885         AttributeName   an[2];
1886
1887         struct berval pdn = BER_BVNULL;
1888
1889         op->o_req_dn = si->si_base;
1890         op->o_req_ndn = si->si_base;
1891
1892         cb.sc_response = nonpresent_callback;
1893         cb.sc_private = si;
1894
1895         op->o_callback = &cb;
1896         op->o_tag = LDAP_REQ_SEARCH;
1897         op->ors_scope = si->si_scope;
1898         op->ors_deref = LDAP_DEREF_NEVER;
1899         op->o_time = slap_get_time();
1900         op->ors_tlimit = SLAP_NO_LIMIT;
1901
1902
1903         if ( uuids ) {
1904                 Filter uf;
1905 #ifdef LDAP_COMP_MATCH
1906                 AttributeAssertion eq = { NULL, BER_BVNULL, NULL };
1907 #else
1908                 AttributeAssertion eq = { NULL, BER_BVNULL };
1909 #endif
1910                 int i;
1911
1912                 op->ors_attrsonly = 1;
1913                 op->ors_attrs = slap_anlist_no_attrs;
1914                 op->ors_limit = NULL;
1915                 op->ors_filter = &uf;
1916
1917                 uf.f_ava = &eq;
1918                 uf.f_av_desc = slap_schema.si_ad_entryUUID;
1919                 uf.f_next = NULL;
1920                 uf.f_choice = LDAP_FILTER_EQUALITY;
1921                 si->si_refreshDelete |= NP_DELETE_ONE;
1922
1923                 for (i=0; uuids[i].bv_val; i++) {
1924                         op->ors_slimit = 1;
1925                         uf.f_av_value = uuids[i];
1926                         rc = be->be_search( op, &rs_search );
1927                 }
1928                 si->si_refreshDelete ^= NP_DELETE_ONE;
1929         } else {
1930                 memset( &an[0], 0, 2 * sizeof( AttributeName ) );
1931                 an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
1932                 an[0].an_desc = slap_schema.si_ad_entryUUID;
1933                 op->ors_attrs = an;
1934                 op->ors_slimit = SLAP_NO_LIMIT;
1935                 op->ors_attrsonly = 0;
1936                 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
1937                 op->ors_filterstr = si->si_filterstr;
1938                 op->o_nocaching = 1;
1939
1940                 if ( limits_check( op, &rs_search ) == 0 ) {
1941                         rc = be->be_search( op, &rs_search );
1942                 }
1943                 if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
1944         }
1945
1946         op->o_nocaching = 0;
1947
1948         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
1949
1950                 slap_queue_csn( op, &si->si_syncCookie.ctxcsn );
1951
1952                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
1953                 while ( np_list != NULL ) {
1954                         LDAP_LIST_REMOVE( np_list, npe_link );
1955                         np_prev = np_list;
1956                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
1957                         op->o_tag = LDAP_REQ_DELETE;
1958                         op->o_callback = &cb;
1959                         cb.sc_response = null_callback;
1960                         cb.sc_private = si;
1961                         op->o_req_dn = *np_prev->npe_name;
1962                         op->o_req_ndn = *np_prev->npe_nname;
1963                         rc = op->o_bd->be_delete( op, &rs_delete );
1964
1965                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
1966                                 Modifications mod1, mod2;
1967                                 mod1.sml_op = LDAP_MOD_REPLACE;
1968                                 mod1.sml_flags = 0;
1969                                 mod1.sml_desc = slap_schema.si_ad_objectClass;
1970                                 mod1.sml_type = mod1.sml_desc->ad_cname;
1971                                 mod1.sml_values = &gcbva[0];
1972                                 mod1.sml_nvalues = NULL;
1973                                 mod1.sml_next = &mod2;
1974
1975                                 mod2.sml_op = LDAP_MOD_REPLACE;
1976                                 mod2.sml_flags = 0;
1977                                 mod2.sml_desc = slap_schema.si_ad_structuralObjectClass;
1978                                 mod2.sml_type = mod2.sml_desc->ad_cname;
1979                                 mod2.sml_values = &gcbva[1];
1980                                 mod2.sml_nvalues = NULL;
1981                                 mod2.sml_next = NULL;
1982
1983                                 op->o_tag = LDAP_REQ_MODIFY;
1984                                 op->orm_modlist = &mod1;
1985
1986                                 rc = be->be_modify( op, &rs_modify );
1987                         }
1988
1989                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
1990                                         op->o_delete_glue_parent ) {
1991                                 op->o_delete_glue_parent = 0;
1992                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1993                                         slap_callback cb = { NULL };
1994                                         cb.sc_response = slap_null_cb;
1995                                         dnParent( &op->o_req_ndn, &pdn );
1996                                         op->o_req_dn = pdn;
1997                                         op->o_req_ndn = pdn;
1998                                         op->o_callback = &cb;
1999                                         /* give it a root privil ? */
2000                                         op->o_bd->be_delete( op, &rs_delete );
2001                                 } else {
2002                                         break;
2003                             }
2004                         }
2005
2006                         op->o_delete_glue_parent = 0;
2007
2008                         ber_bvfree( np_prev->npe_name );
2009                         ber_bvfree( np_prev->npe_nname );
2010                         ch_free( np_prev );
2011                 }
2012
2013                 slap_graduate_commit_csn( op );
2014         }
2015
2016         return;
2017 }
2018
2019 void
2020 syncrepl_add_glue(
2021         Operation* op,
2022         Entry *e )
2023 {
2024         Backend *be = op->o_bd;
2025         slap_callback cb = { NULL };
2026         Attribute       *a;
2027         int     rc;
2028         int suffrdns;
2029         int i;
2030         struct berval dn = {0, NULL};
2031         struct berval ndn = {0, NULL};
2032         Entry   *glue;
2033         SlapReply       rs_add = {REP_RESULT};
2034         char    *ptr, *comma;
2035
2036         op->o_tag = LDAP_REQ_ADD;
2037         op->o_callback = &cb;
2038         cb.sc_response = null_callback;
2039         cb.sc_private = NULL;
2040
2041         dn = e->e_name;
2042         ndn = e->e_nname;
2043
2044         /* count RDNs in suffix */
2045         if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
2046                 for ( i = 0, ptr = be->be_nsuffix[0].bv_val; ptr; ptr = strchr( ptr, ',' ) ) {
2047                         ptr++;
2048                         i++;
2049                 }
2050                 suffrdns = i;
2051         } else {
2052                 /* suffix is "" */
2053                 suffrdns = 0;
2054         }
2055
2056         /* Start with BE suffix */
2057         for ( i = 0, ptr = NULL; i < suffrdns; i++ ) {
2058                 comma = strrchr( dn.bv_val, ',' );
2059                 if ( ptr ) *ptr = ',';
2060                 if ( comma ) *comma = '\0';
2061                 ptr = comma;
2062         }
2063         if ( ptr ) {
2064                 *ptr++ = ',';
2065                 dn.bv_len -= ptr - dn.bv_val;
2066                 dn.bv_val = ptr;
2067         }
2068         /* the normalizedDNs are always the same length, no counting
2069          * required.
2070          */
2071         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
2072                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
2073                 ndn.bv_len = be->be_nsuffix[0].bv_len;
2074         }
2075
2076         while ( ndn.bv_val > e->e_nname.bv_val ) {
2077                 glue = (Entry *) ch_calloc( 1, sizeof(Entry) );
2078                 ber_dupbv( &glue->e_name, &dn );
2079                 ber_dupbv( &glue->e_nname, &ndn );
2080
2081                 a = ch_calloc( 1, sizeof( Attribute ));
2082                 a->a_desc = slap_schema.si_ad_objectClass;
2083
2084                 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
2085                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
2086                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
2087                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
2088
2089                 a->a_nvals = a->a_vals;
2090
2091                 a->a_next = glue->e_attrs;
2092                 glue->e_attrs = a;
2093
2094                 a = ch_calloc( 1, sizeof( Attribute ));
2095                 a->a_desc = slap_schema.si_ad_structuralObjectClass;
2096
2097                 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
2098                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
2099                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
2100
2101                 a->a_nvals = a->a_vals;
2102
2103                 a->a_next = glue->e_attrs;
2104                 glue->e_attrs = a;
2105
2106                 op->o_req_dn = glue->e_name;
2107                 op->o_req_ndn = glue->e_nname;
2108                 op->ora_e = glue;
2109                 rc = be->be_add ( op, &rs_add );
2110                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
2111                         be_entry_release_w( op, glue );
2112                 } else {
2113                 /* incl. ALREADY EXIST */
2114                         entry_free( glue );
2115                 }
2116
2117                 /* Move to next child */
2118                 for (ptr = dn.bv_val-2; ptr > e->e_name.bv_val && *ptr != ','; ptr--) {
2119                         /* empty */
2120                 }
2121                 if ( ptr == e->e_name.bv_val ) break;
2122                 dn.bv_val = ++ptr;
2123                 dn.bv_len = e->e_name.bv_len - (ptr-e->e_name.bv_val);
2124                 for( ptr = ndn.bv_val-2;
2125                         ptr > e->e_nname.bv_val && *ptr != ',';
2126                         ptr--)
2127                 {
2128                         /* empty */
2129                 }
2130                 ndn.bv_val = ++ptr;
2131                 ndn.bv_len = e->e_nname.bv_len - (ptr-e->e_nname.bv_val);
2132         }
2133
2134         op->o_req_dn = e->e_name;
2135         op->o_req_ndn = e->e_nname;
2136         op->ora_e = e;
2137         rc = be->be_add ( op, &rs_add );
2138         if ( rs_add.sr_err == LDAP_SUCCESS ) {
2139                 be_entry_release_w( op, e );
2140         } else {
2141                 entry_free( e );
2142         }
2143
2144         return;
2145 }
2146
2147 static void
2148 syncrepl_updateCookie(
2149         syncinfo_t *si,
2150         Operation *op,
2151         struct berval *pdn,
2152         struct sync_cookie *syncCookie )
2153 {
2154         Backend *be = op->o_bd;
2155         Modifications mod = { { 0 } };
2156         struct berval vals[ 2 ];
2157
2158         int rc;
2159
2160         slap_callback cb = { NULL };
2161         SlapReply       rs_modify = {REP_RESULT};
2162
2163         slap_sync_cookie_free( &si->si_syncCookie, 0 );
2164         slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
2165
2166         mod.sml_op = LDAP_MOD_REPLACE;
2167         mod.sml_desc = slap_schema.si_ad_contextCSN;
2168         mod.sml_type = mod.sml_desc->ad_cname;
2169         mod.sml_values = vals;
2170         vals[0] = si->si_syncCookie.ctxcsn;
2171         vals[1].bv_val = NULL;
2172         vals[1].bv_len = 0;
2173
2174         slap_queue_csn( op, &si->si_syncCookie.ctxcsn );
2175
2176         op->o_tag = LDAP_REQ_MODIFY;
2177
2178         assert( si->si_rid < 1000 );
2179
2180         cb.sc_response = null_callback;
2181         cb.sc_private = si;
2182
2183         op->o_callback = &cb;
2184         op->o_req_dn = op->o_bd->be_suffix[0];
2185         op->o_req_ndn = op->o_bd->be_nsuffix[0];
2186
2187         /* update contextCSN */
2188         op->o_msgid = SLAP_SYNC_UPDATE_MSGID;
2189         op->orm_modlist = &mod;
2190         rc = be->be_modify( op, &rs_modify );
2191         op->o_msgid = 0;
2192
2193         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
2194                 Debug( LDAP_DEBUG_ANY,
2195                         "be_modify failed (%d)\n", rs_modify.sr_err, 0, 0 );
2196         }
2197
2198         slap_graduate_commit_csn( op );
2199
2200         return;
2201 }
2202
2203 static int
2204 dn_callback(
2205         Operation*      op,
2206         SlapReply*      rs )
2207 {
2208         dninfo *dni = op->o_callback->sc_private;
2209
2210         if ( rs->sr_type == REP_SEARCH ) {
2211                 if ( !BER_BVISNULL( &dni->dn ) ) {
2212                         Debug( LDAP_DEBUG_ANY,
2213                                 "dn_callback : consistency error - "
2214                                 "entryUUID is not unique\n", 0, 0, 0 );
2215                 } else {
2216                         ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
2217                         ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
2218                         /* If there is a new entry, see if it differs from the old.
2219                          * We compare the non-normalized values so that cosmetic changes
2220                          * in the provider are always propagated.
2221                          */
2222                         if ( dni->new_entry ) {
2223                                 Attribute *old, *new;
2224                                 int i;
2225
2226                                 /* Did the DN change? Note that we don't explicitly try to
2227                                  * discover if the deleteOldRdn argument applies here. It
2228                                  * would save an unnecessary Modify if we detected it, but
2229                                  * that's a fair amount of trouble to compare the two attr
2230                                  * lists in detail. (Just test normalized DN; we ignore
2231                                  * insignificant changes here.)
2232                                  */
2233                                 if ( !dn_match( &rs->sr_entry->e_nname,
2234                                                 &dni->new_entry->e_nname ) )
2235                                 {
2236                                         dni->renamed = 1;
2237                                 }
2238
2239                                 for ( i = 0, old = rs->sr_entry->e_attrs;
2240                                                 old;
2241                                                 i++, old = old->a_next )
2242                                         ;
2243
2244                                 dni->attrs = i;
2245
2246                                 /* We assume that attributes are saved in the same order
2247                                  * in the remote and local databases. So if we walk through
2248                                  * the attributeDescriptions one by one they should match in
2249                                  * lock step. If not, we signal a change. Otherwise we test
2250                                  * all the values...
2251                                  */
2252                                 for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
2253                                                 old && new;
2254                                                 old = old->a_next, new = new->a_next )
2255                                 {
2256                                         if ( old->a_desc != new->a_desc ) {
2257                                                 dni->wasChanged = 1;
2258                                                 break;
2259                                         }
2260                                         for ( i = 0; ; i++ ) {
2261                                                 int nold, nnew;
2262                                                 nold = BER_BVISNULL( &old->a_vals[i] );
2263                                                 nnew = BER_BVISNULL( &new->a_vals[i] );
2264                                                 /* If both are empty, stop looking */
2265                                                 if ( nold && nnew ) {
2266                                                         break;
2267                                                 }
2268                                                 /* If they are different, stop looking */
2269                                                 if ( nold != nnew ) {
2270                                                         dni->wasChanged = 1;
2271                                                         break;
2272                                                 }
2273                                                 if ( ber_bvcmp( &old->a_vals[i], &new->a_vals[i] )) {
2274                                                         dni->wasChanged = 1;
2275                                                         break;
2276                                                 }
2277                                         }
2278                                         if ( dni->wasChanged ) break;
2279                                 }
2280                                 if ( dni->wasChanged ) {
2281                                         dni->ads = op->o_tmpalloc( dni->attrs *
2282                                                 sizeof(AttributeDescription *), op->o_tmpmemctx );
2283                                         i = 0;
2284                                         for ( old = rs->sr_entry->e_attrs; old; old = old->a_next ) {
2285                                                 dni->ads[i] = old->a_desc;
2286                                                 i++;
2287                                         }
2288                                 }
2289                         }
2290                 }
2291         } else if ( rs->sr_type == REP_RESULT ) {
2292                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
2293                         Debug( LDAP_DEBUG_ANY,
2294                                 "dn_callback : consistency error - "
2295                                 "entryUUID is not unique\n", 0, 0, 0 );
2296                 }
2297         }
2298
2299         return LDAP_SUCCESS;
2300 }
2301
2302 static int
2303 nonpresent_callback(
2304         Operation*      op,
2305         SlapReply*      rs )
2306 {
2307         syncinfo_t *si = op->o_callback->sc_private;
2308         Attribute *a;
2309         int count = 0;
2310         struct berval* present_uuid = NULL;
2311         struct nonpresent_entry *np_entry;
2312
2313         if ( rs->sr_type == REP_RESULT ) {
2314                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
2315                 si->si_presentlist = NULL;
2316
2317         } else if ( rs->sr_type == REP_SEARCH ) {
2318                 if ( !(si->si_refreshDelete & NP_DELETE_ONE )) {
2319                         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
2320
2321                         if ( a == NULL ) return 0;
2322
2323                         present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
2324                                 syncuuid_cmp );
2325                 }
2326
2327                 if ( present_uuid == NULL ) {
2328                         np_entry = (struct nonpresent_entry *)
2329                                 ch_calloc( 1, sizeof( struct nonpresent_entry ));
2330                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
2331                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
2332                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
2333
2334                 } else {
2335                         avl_delete( &si->si_presentlist,
2336                                         &a->a_nvals[0], syncuuid_cmp );
2337                         ch_free( present_uuid->bv_val );
2338                         ch_free( present_uuid );
2339                 }
2340         }
2341         return LDAP_SUCCESS;
2342 }
2343
2344 static int
2345 null_callback(
2346         Operation*      op,
2347         SlapReply*      rs )
2348 {
2349         if ( rs->sr_err != LDAP_SUCCESS &&
2350                 rs->sr_err != LDAP_REFERRAL &&
2351                 rs->sr_err != LDAP_ALREADY_EXISTS &&
2352                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
2353                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
2354         {
2355                 Debug( LDAP_DEBUG_ANY,
2356                         "null_callback : error code 0x%x\n",
2357                         rs->sr_err, 0, 0 );
2358         }
2359         return LDAP_SUCCESS;
2360 }
2361
2362 static struct berval *
2363 slap_uuidstr_from_normalized(
2364         struct berval* uuidstr,
2365         struct berval* normalized,
2366         void *ctx )
2367 {
2368         struct berval *new;
2369         unsigned char nibble;
2370         int i, d = 0;
2371
2372         if ( normalized == NULL ) return NULL;
2373         if ( normalized->bv_len != 16 ) return NULL;
2374
2375         if ( uuidstr ) {
2376                 new = uuidstr;
2377         } else {
2378                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
2379                 if ( new == NULL ) {
2380                         return NULL;
2381                 }
2382         }
2383
2384         new->bv_len = 36;
2385
2386         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
2387                 if ( new != uuidstr ) {
2388                         slap_sl_free( new, ctx );
2389                 }
2390                 return NULL;
2391         }
2392
2393         for ( i = 0; i < 16; i++ ) {
2394                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
2395                         new->bv_val[(i<<1)+d] = '-';
2396                         d += 1;
2397                 }
2398
2399                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
2400                 if ( nibble < 10 ) {
2401                         new->bv_val[(i<<1)+d] = nibble + '0';
2402                 } else {
2403                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
2404                 }
2405
2406                 nibble = (normalized->bv_val[i]) & 0xF;
2407                 if ( nibble < 10 ) {
2408                         new->bv_val[(i<<1)+d+1] = nibble + '0';
2409                 } else {
2410                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
2411                 }
2412         }
2413
2414         new->bv_val[new->bv_len] = '\0';
2415         return new;
2416 }
2417
2418 static int
2419 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
2420 {
2421         const struct berval *uuid1 = v_uuid1;
2422         const struct berval *uuid2 = v_uuid2;
2423         int rc = uuid1->bv_len - uuid2->bv_len;
2424         if ( rc ) return rc;
2425         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
2426 }
2427
2428 static void
2429 avl_ber_bvfree( void *v_bv )
2430 {
2431         struct berval   *bv = (struct berval *)v_bv;
2432
2433         if( v_bv == NULL ) return;
2434         if ( !BER_BVISNULL( bv ) ) {
2435                 ch_free( bv->bv_val );
2436         }
2437         ch_free( (char *) bv );
2438 }
2439
2440 void
2441 syncinfo_free( syncinfo_t *sie )
2442 {
2443         ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
2444         if ( !BER_BVISNULL( &sie->si_provideruri ) ) {
2445                 ch_free( sie->si_provideruri.bv_val );
2446         }
2447
2448         bindconf_free( &sie->si_bindconf );
2449
2450         if ( sie->si_filterstr.bv_val ) {
2451                 ch_free( sie->si_filterstr.bv_val );
2452         }
2453         if ( sie->si_base.bv_val ) {
2454                 ch_free( sie->si_base.bv_val );
2455         }
2456         if ( sie->si_attrs ) {
2457                 int i = 0;
2458                 while ( sie->si_attrs[i] != NULL ) {
2459                         ch_free( sie->si_attrs[i] );
2460                         i++;
2461                 }
2462                 ch_free( sie->si_attrs );
2463         }
2464         if ( sie->si_exattrs ) {
2465                 int i = 0;
2466                 while ( sie->si_exattrs[i] != NULL ) {
2467                         ch_free( sie->si_exattrs[i] );
2468                         i++;
2469                 }
2470                 ch_free( sie->si_exattrs );
2471         }
2472         if ( sie->si_anlist ) {
2473                 int i = 0;
2474                 while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
2475                         ch_free( sie->si_anlist[i].an_name.bv_val );
2476                         i++;
2477                 }
2478                 ch_free( sie->si_anlist );
2479         }
2480         if ( sie->si_exanlist ) {
2481                 int i = 0;
2482                 while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
2483                         ch_free( sie->si_exanlist[i].an_name.bv_val );
2484                         i++;
2485                 }
2486                 ch_free( sie->si_exanlist );
2487         }
2488         if ( sie->si_retryinterval ) {
2489                 ch_free( sie->si_retryinterval );
2490         }
2491         if ( sie->si_retrynum ) {
2492                 ch_free( sie->si_retrynum );
2493         }
2494         if ( sie->si_retrynum_init ) {
2495                 ch_free( sie->si_retrynum_init );
2496         }
2497         slap_sync_cookie_free( &sie->si_syncCookie, 0 );
2498         if ( sie->si_presentlist ) {
2499             avl_free( sie->si_presentlist, avl_ber_bvfree );
2500         }
2501         if ( sie->si_ld ) {
2502                 ldap_unbind_ext( sie->si_ld, NULL, NULL );
2503         }
2504         while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist )) {
2505                 struct nonpresent_entry* npe;
2506                 npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
2507                 LDAP_LIST_REMOVE( npe, npe_link );
2508                 if ( npe->npe_name ) {
2509                         if ( npe->npe_name->bv_val ) {
2510                                 ch_free( npe->npe_name->bv_val );
2511                         }
2512                         ch_free( npe->npe_name );
2513                 }
2514                 if ( npe->npe_nname ) {
2515                         if ( npe->npe_nname->bv_val ) {
2516                                 ch_free( npe->npe_nname->bv_val );
2517                         }
2518                         ch_free( npe->npe_nname );
2519                 }
2520                 ch_free( npe );
2521         }
2522         ch_free( sie );
2523 }
2524
2525
2526
2527 /* NOTE: used & documented in slapd.conf(5) */
2528 #define IDSTR                   "rid"
2529 #define PROVIDERSTR             "provider"
2530 #define SCHEMASTR               "schemachecking"
2531 #define FILTERSTR               "filter"
2532 #define SEARCHBASESTR           "searchbase"
2533 #define SCOPESTR                "scope"
2534 #define ATTRSONLYSTR            "attrsonly"
2535 #define ATTRSSTR                "attrs"
2536 #define TYPESTR                 "type"
2537 #define INTERVALSTR             "interval"
2538 #define RETRYSTR                "retry"
2539 #define SLIMITSTR               "sizelimit"
2540 #define TLIMITSTR               "timelimit"
2541 #define SYNCDATASTR             "syncdata"
2542
2543 /* FIXME: undocumented */
2544 #define OLDAUTHCSTR             "bindprincipal"
2545 #define EXATTRSSTR              "exattrs"
2546 #define MANAGEDSAITSTR          "manageDSAit"
2547
2548 /* FIXME: unused */
2549 #define LASTMODSTR              "lastmod"
2550 #define LMGENSTR                "gen"
2551 #define LMNOSTR                 "no"
2552 #define LMREQSTR                "req"
2553 #define SRVTABSTR               "srvtab"
2554 #define SUFFIXSTR               "suffix"
2555
2556 /* mandatory */
2557 #define GOT_ID                  0x0001
2558 #define GOT_PROVIDER            0x0002
2559
2560 /* check */
2561 #define GOT_ALL                 (GOT_ID|GOT_PROVIDER)
2562
2563 static struct {
2564         struct berval key;
2565         int val;
2566 } scopes[] = {
2567         { BER_BVC("base"), LDAP_SCOPE_BASE },
2568         { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
2569         { BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL },   /* OpenLDAP extension */
2570 #ifdef LDAP_SCOPE_SUBORDINATE
2571         { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
2572         { BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
2573 #endif
2574         { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
2575         { BER_BVC("subtree"), LDAP_SCOPE_SUBTREE },     /* OpenLDAP extension */
2576         { BER_BVNULL, 0 }
2577 };
2578
2579 static slap_verbmasks datamodes[] = {
2580         { BER_BVC("default"), SYNCDATA_DEFAULT },
2581         { BER_BVC("accesslog"), SYNCDATA_ACCESSLOG },
2582         { BER_BVC("changelog"), SYNCDATA_CHANGELOG },
2583         { BER_BVNULL, 0 }
2584 };
2585
2586 static int
2587 parse_syncrepl_line(
2588         char            **cargv,
2589         int             cargc,
2590         syncinfo_t      *si
2591 )
2592 {
2593         int     gots = 0;
2594         int     i;
2595         char    *val;
2596
2597         for ( i = 1; i < cargc; i++ ) {
2598                 if ( !strncasecmp( cargv[ i ], IDSTR "=",
2599                                         STRLENOF( IDSTR "=" ) ) )
2600                 {
2601                         int tmp;
2602                         /* '\0' string terminator accounts for '=' */
2603                         val = cargv[ i ] + STRLENOF( IDSTR "=" );
2604                         tmp= atoi( val );
2605                         if ( tmp >= 1000 || tmp < 0 ) {
2606                                 fprintf( stderr, "Error: parse_syncrepl_line: "
2607                                          "syncrepl id %d is out of range [0..999]\n", tmp );
2608                                 return -1;
2609                         }
2610                         si->si_rid = tmp;
2611                         gots |= GOT_ID;
2612                 } else if ( !strncasecmp( cargv[ i ], PROVIDERSTR "=",
2613                                         STRLENOF( PROVIDERSTR "=" ) ) )
2614                 {
2615                         val = cargv[ i ] + STRLENOF( PROVIDERSTR "=" );
2616                         ber_str2bv( val, 0, 1, &si->si_provideruri );
2617                         gots |= GOT_PROVIDER;
2618                 } else if ( !strncasecmp( cargv[ i ], SCHEMASTR "=",
2619                                         STRLENOF( SCHEMASTR "=" ) ) )
2620                 {
2621                         val = cargv[ i ] + STRLENOF( SCHEMASTR "=" );
2622                         if ( !strncasecmp( val, "on", STRLENOF( "on" ) )) {
2623                                 si->si_schemachecking = 1;
2624                         } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
2625                                 si->si_schemachecking = 0;
2626                         } else {
2627                                 si->si_schemachecking = 1;
2628                         }
2629                 } else if ( !strncasecmp( cargv[ i ], FILTERSTR "=",
2630                                         STRLENOF( FILTERSTR "=" ) ) )
2631                 {
2632                         val = cargv[ i ] + STRLENOF( FILTERSTR "=" );
2633                         if ( si->si_filterstr.bv_val )
2634                                 ch_free( si->si_filterstr.bv_val );
2635                         ber_str2bv( val, 0, 1, &si->si_filterstr );
2636                 } else if ( !strncasecmp( cargv[ i ], SEARCHBASESTR "=",
2637                                         STRLENOF( SEARCHBASESTR "=" ) ) )
2638                 {
2639                         struct berval   bv;
2640                         int             rc;
2641
2642                         val = cargv[ i ] + STRLENOF( SEARCHBASESTR "=" );
2643                         if ( si->si_base.bv_val ) {
2644                                 ch_free( si->si_base.bv_val );
2645                         }
2646                         ber_str2bv( val, 0, 0, &bv );
2647                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
2648                         if ( rc != LDAP_SUCCESS ) {
2649                                 fprintf( stderr, "Invalid base DN \"%s\": %d (%s)\n",
2650                                         val, rc, ldap_err2string( rc ) );
2651                                 return -1;
2652                         }
2653                 } else if ( !strncasecmp( cargv[ i ], SCOPESTR "=",
2654                                         STRLENOF( SCOPESTR "=" ) ) )
2655                 {
2656                         int j;
2657                         val = cargv[ i ] + STRLENOF( SCOPESTR "=" );
2658                         for ( j=0; !BER_BVISNULL(&scopes[j].key); j++ ) {
2659                                 if (!strcasecmp( val, scopes[j].key.bv_val )) {
2660                                         si->si_scope = scopes[j].val;
2661                                         break;
2662                                 }
2663                         }
2664                         if ( BER_BVISNULL(&scopes[j].key) ) {
2665                                 fprintf( stderr, "Error: parse_syncrepl_line: "
2666                                         "unknown scope \"%s\"\n", val);
2667                                 return -1;
2668                         }
2669                 } else if ( !strncasecmp( cargv[ i ], ATTRSONLYSTR "=",
2670                                         STRLENOF( ATTRSONLYSTR "=" ) ) )
2671                 {
2672                         si->si_attrsonly = 1;
2673                 } else if ( !strncasecmp( cargv[ i ], ATTRSSTR "=",
2674                                         STRLENOF( ATTRSSTR "=" ) ) )
2675                 {
2676                         val = cargv[ i ] + STRLENOF( ATTRSSTR "=" );
2677                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
2678                                 char *attr_fname;
2679                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
2680                                 si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
2681                                 if ( si->si_anlist == NULL ) {
2682                                         ch_free( attr_fname );
2683                                         return -1;
2684                                 }
2685                                 si->si_anfile = attr_fname;
2686                         } else {
2687                                 char *str, *s, *next;
2688                                 char delimstr[] = " ,\t";
2689                                 str = ch_strdup( val );
2690                                 for ( s = ldap_pvt_strtok( str, delimstr, &next );
2691                                                 s != NULL;
2692                                                 s = ldap_pvt_strtok( NULL, delimstr, &next ) )
2693                                 {
2694                                         if ( strlen(s) == 1 && *s == '*' ) {
2695                                                 si->si_allattrs = 1;
2696                                                 *(val + ( s - str )) = delimstr[0];
2697                                         }
2698                                         if ( strlen(s) == 1 && *s == '+' ) {
2699                                                 si->si_allopattrs = 1;
2700                                                 *(val + ( s - str )) = delimstr[0];
2701                                         }
2702                                 }
2703                                 ch_free( str );
2704                                 si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
2705                                 if ( si->si_anlist == NULL ) {
2706                                         return -1;
2707                                 }
2708                         }
2709                 } else if ( !strncasecmp( cargv[ i ], EXATTRSSTR "=",
2710                                         STRLENOF( EXATTRSSTR "=" ) ) )
2711                 {
2712                         val = cargv[ i ] + STRLENOF( EXATTRSSTR "=" );
2713                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") )) {
2714                                 char *attr_fname;
2715                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
2716                                 si->si_exanlist = file2anlist(
2717                                                                         si->si_exanlist, attr_fname, " ,\t" );
2718                                 if ( si->si_exanlist == NULL ) {
2719                                         ch_free( attr_fname );
2720                                         return -1;
2721                                 }
2722                                 ch_free( attr_fname );
2723                         } else {
2724                                 si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
2725                                 if ( si->si_exanlist == NULL ) {
2726                                         return -1;
2727                                 }
2728                         }
2729                 } else if ( !strncasecmp( cargv[ i ], TYPESTR "=",
2730                                         STRLENOF( TYPESTR "=" ) ) )
2731                 {
2732                         val = cargv[ i ] + STRLENOF( TYPESTR "=" );
2733                         if ( !strncasecmp( val, "refreshOnly",
2734                                                 STRLENOF("refreshOnly") ))
2735                         {
2736                                 si->si_type = LDAP_SYNC_REFRESH_ONLY;
2737                         } else if ( !strncasecmp( val, "refreshAndPersist",
2738                                                 STRLENOF("refreshAndPersist") ))
2739                         {
2740                                 si->si_type = LDAP_SYNC_REFRESH_AND_PERSIST;
2741                                 si->si_interval = 60;
2742                         } else {
2743                                 fprintf( stderr, "Error: parse_syncrepl_line: "
2744                                         "unknown sync type \"%s\"\n", val);
2745                                 return -1;
2746                         }
2747                 } else if ( !strncasecmp( cargv[ i ], INTERVALSTR "=",
2748                                         STRLENOF( INTERVALSTR "=" ) ) )
2749                 {
2750                         val = cargv[ i ] + STRLENOF( INTERVALSTR "=" );
2751                         if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
2752                                 si->si_interval = 0;
2753                         } else {
2754                                 char *hstr;
2755                                 char *mstr;
2756                                 char *dstr;
2757                                 char *sstr;
2758                                 int dd, hh, mm, ss;
2759                                 dstr = val;
2760                                 hstr = strchr( dstr, ':' );
2761                                 if ( hstr == NULL ) {
2762                                         fprintf( stderr, "Error: parse_syncrepl_line: "
2763                                                 "invalid interval \"%s\"\n", val );
2764                                         return -1;
2765                                 }
2766                                 *hstr++ = '\0';
2767                                 mstr = strchr( hstr, ':' );
2768                                 if ( mstr == NULL ) {
2769                                         fprintf( stderr, "Error: parse_syncrepl_line: "
2770                                                 "invalid interval \"%s\"\n", val );
2771                                         return -1;
2772                                 }
2773                                 *mstr++ = '\0';
2774                                 sstr = strchr( mstr, ':' );
2775                                 if ( sstr == NULL ) {
2776                                         fprintf( stderr, "Error: parse_syncrepl_line: "
2777                                                 "invalid interval \"%s\"\n", val );
2778                                         return -1;
2779                                 }
2780                                 *sstr++ = '\0';
2781
2782                                 dd = atoi( dstr );
2783                                 hh = atoi( hstr );
2784                                 mm = atoi( mstr );
2785                                 ss = atoi( sstr );
2786                                 if (( hh > 24 ) || ( hh < 0 ) ||
2787                                         ( mm > 60 ) || ( mm < 0 ) ||
2788                                         ( ss > 60 ) || ( ss < 0 ) || ( dd < 0 )) {
2789                                         fprintf( stderr, "Error: parse_syncrepl_line: "
2790                                                 "invalid interval \"%s\"\n", val );
2791                                         return -1;
2792                                 }
2793                                 si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
2794                         }
2795                         if ( si->si_interval < 0 ) {
2796                                 fprintf( stderr, "Error: parse_syncrepl_line: "
2797                                         "invalid interval \"%ld\"\n",
2798                                         (long) si->si_interval);
2799                                 return -1;
2800                         }
2801                 } else if ( !strncasecmp( cargv[ i ], RETRYSTR "=",
2802                                         STRLENOF( RETRYSTR "=" ) ) )
2803                 {
2804                         char **retry_list;
2805                         int j, k, n;
2806
2807                         val = cargv[ i ] + STRLENOF( RETRYSTR "=" );
2808                         retry_list = (char **) ch_calloc( 1, sizeof( char * ));
2809                         retry_list[0] = NULL;
2810
2811                         slap_str2clist( &retry_list, val, " ,\t" );
2812
2813                         for ( k = 0; retry_list && retry_list[k]; k++ ) ;
2814                         n = k / 2;
2815                         if ( k % 2 ) {
2816                                 fprintf( stderr,
2817                                                 "Error: incomplete syncrepl retry list\n" );
2818                                 for ( k = 0; retry_list && retry_list[k]; k++ ) {
2819                                         ch_free( retry_list[k] );
2820                                 }
2821                                 ch_free( retry_list );
2822                                 exit( EXIT_FAILURE );
2823                         }
2824                         si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ));
2825                         si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ));
2826                         si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ));
2827                         for ( j = 0; j < n; j++ ) {
2828                                 si->si_retryinterval[j] = atoi( retry_list[j*2] );
2829                                 if ( *retry_list[j*2+1] == '+' ) {
2830                                         si->si_retrynum_init[j] = -1;
2831                                         si->si_retrynum[j] = -1;
2832                                         j++;
2833                                         break;
2834                                 } else {
2835                                         si->si_retrynum_init[j] = atoi( retry_list[j*2+1] );
2836                                         si->si_retrynum[j] = atoi( retry_list[j*2+1] );
2837                                 }
2838                         }
2839                         si->si_retrynum_init[j] = -2;
2840                         si->si_retrynum[j] = -2;
2841                         si->si_retryinterval[j] = 0;
2842
2843                         for ( k = 0; retry_list && retry_list[k]; k++ ) {
2844                                 ch_free( retry_list[k] );
2845                         }
2846                         ch_free( retry_list );
2847                 } else if ( !strncasecmp( cargv[ i ], MANAGEDSAITSTR "=",
2848                                         STRLENOF( MANAGEDSAITSTR "=" ) ) )
2849                 {
2850                         val = cargv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
2851                         si->si_manageDSAit = atoi( val );
2852                 } else if ( !strncasecmp( cargv[ i ], SLIMITSTR "=",
2853                                         STRLENOF( SLIMITSTR "=") ) )
2854                 {
2855                         val = cargv[ i ] + STRLENOF( SLIMITSTR "=" );
2856                         si->si_slimit = atoi( val );
2857                 } else if ( !strncasecmp( cargv[ i ], TLIMITSTR "=",
2858                                         STRLENOF( TLIMITSTR "=" ) ) )
2859                 {
2860                         val = cargv[ i ] + STRLENOF( TLIMITSTR "=" );
2861                         si->si_tlimit = atoi( val );
2862                 } else if ( !strncasecmp( cargv[ i ], SYNCDATASTR "=",
2863                                         STRLENOF( SYNCDATASTR "=" ) ) )
2864                 {
2865                         val = cargv[ i ] + STRLENOF( SYNCDATASTR "=" );
2866                         si->si_syncdata = verb_to_mask( val, datamodes );
2867                 } else if ( bindconf_parse( cargv[i], &si->si_bindconf )) {
2868                         fprintf( stderr, "Error: parse_syncrepl_line: "
2869                                 "unknown keyword \"%s\"\n", cargv[ i ] );
2870                         return -1;
2871                 }
2872         }
2873
2874         if ( gots != GOT_ALL ) {
2875                 fprintf( stderr,
2876                         "Error: Malformed \"syncrepl\" line in slapd config file" );
2877                 return -1;
2878         }
2879
2880         return 0;
2881 }
2882
2883 static int
2884 add_syncrepl(
2885         Backend *be,
2886         char    **cargv,
2887         int     cargc
2888 )
2889 {
2890         syncinfo_t *si;
2891         int     rc = 0;
2892
2893         if ( !( be->be_search && be->be_add && be->be_modify && be->be_delete )) {
2894                 Debug( LDAP_DEBUG_ANY, "database %s does not support operations "
2895                         "required for syncrepl\n", be->be_type, 0, 0 );
2896                 return 1;
2897         }
2898         si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
2899
2900         if ( si == NULL ) {
2901                 Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
2902                 return 1;
2903         }
2904
2905         si->si_bindconf.sb_tls = SB_TLS_OFF;
2906         si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
2907         si->si_schemachecking = 0;
2908         ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
2909                 &si->si_filterstr );
2910         si->si_base.bv_val = NULL;
2911         si->si_scope = LDAP_SCOPE_SUBTREE;
2912         si->si_attrsonly = 0;
2913         si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ));
2914         si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ));
2915         si->si_attrs = NULL;
2916         si->si_allattrs = 0;
2917         si->si_allopattrs = 0;
2918         si->si_exattrs = NULL;
2919         si->si_type = LDAP_SYNC_REFRESH_ONLY;
2920         si->si_interval = 86400;
2921         si->si_retryinterval = NULL;
2922         si->si_retrynum_init = NULL;
2923         si->si_retrynum = NULL;
2924         si->si_manageDSAit = 0;
2925         si->si_tlimit = 0;
2926         si->si_slimit = 0;
2927
2928         si->si_presentlist = NULL;
2929         LDAP_LIST_INIT( &si->si_nonpresentlist );
2930         ldap_pvt_thread_mutex_init( &si->si_mutex );
2931
2932         rc = parse_syncrepl_line( cargv, cargc, si );
2933
2934         if ( rc == 0 ) {
2935                 si->si_be = be;
2936                 init_syncrepl( si );
2937                 si->si_re = ldap_pvt_runqueue_insert( &slapd_rq, si->si_interval,
2938                         do_syncrepl, si, "do_syncrepl", be->be_suffix[0].bv_val );
2939                 if ( !si->si_re )
2940                         rc = -1;
2941         }
2942         if ( rc < 0 ) {
2943                 Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
2944                 syncinfo_free( si );
2945                 return 1;
2946         } else {
2947                 Debug( LDAP_DEBUG_CONFIG,
2948                         "Config: ** successfully added syncrepl \"%s\"\n",
2949                         BER_BVISNULL( &si->si_provideruri ) ?
2950                         "(null)" : si->si_provideruri.bv_val, 0, 0 );
2951                 if ( !si->si_schemachecking ) {
2952                         SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
2953                 }
2954                 be->be_syncinfo = si;
2955                 return 0;
2956         }
2957 }
2958
2959 static void
2960 syncrepl_unparse( syncinfo_t *si, struct berval *bv )
2961 {
2962         struct berval bc;
2963         char buf[BUFSIZ*2], *ptr;
2964         int i;
2965
2966         bindconf_unparse( &si->si_bindconf, &bc );
2967         ptr = buf;
2968         ptr += sprintf( ptr, IDSTR "=%03ld " PROVIDERSTR "=%s",
2969                 si->si_rid, si->si_provideruri.bv_val );
2970         if ( !BER_BVISNULL( &bc )) {
2971                 ptr = lutil_strcopy( ptr, bc.bv_val );
2972                 free( bc.bv_val );
2973         }
2974         if ( !BER_BVISEMPTY( &si->si_filterstr )) {
2975                 ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
2976                 ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
2977                 *ptr++ = '"';
2978         }
2979         if ( !BER_BVISNULL( &si->si_base )) {
2980                 ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
2981                 ptr = lutil_strcopy( ptr, si->si_base.bv_val );
2982                 *ptr++ = '"';
2983         }
2984         for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
2985                 if ( si->si_scope == scopes[i].val ) {
2986                         ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
2987                         ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
2988                         break;
2989                 }
2990         }
2991         if ( si->si_attrsonly ) {
2992                 ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR "=yes" );
2993         }
2994         if ( si->si_anfile ) {
2995                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:" );
2996                 ptr = lutil_strcopy( ptr, si->si_anfile );
2997         } else if ( si->si_allattrs || si->si_allopattrs ||
2998                 ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) )) {
2999                 char *old;
3000                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
3001                 old = ptr;
3002                 ptr = anlist_unparse( si->si_anlist, ptr );
3003                 if ( si->si_allattrs ) {
3004                         if ( old != ptr ) *ptr++ = ',';
3005                         *ptr++ = '*';
3006                 }
3007                 if ( si->si_allopattrs ) {
3008                         if ( old != ptr ) *ptr++ = ',';
3009                         *ptr++ = '+';
3010                 }
3011                 *ptr++ = '"';
3012         }
3013         if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
3014                 ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
3015                 ptr = anlist_unparse( si->si_exanlist, ptr );
3016         }
3017         ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
3018         ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
3019
3020         ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
3021         ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
3022                 "refreshAndPersist" : "refreshOnly" );
3023
3024         if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
3025                 int dd, hh, mm, ss;
3026
3027                 dd = si->si_interval;
3028                 ss = dd % 60;
3029                 dd /= 60;
3030                 mm = dd % 60;
3031                 dd /= 60;
3032                 hh = dd % 24;
3033                 dd /= 24;
3034                 ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
3035                 ptr += sprintf( ptr, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
3036         } else if ( si->si_retryinterval ) {
3037                 int space=0;
3038                 ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
3039                 for (i=0; si->si_retryinterval[i]; i++) {
3040                         if ( space ) *ptr++ = ' ';
3041                         space = 1;
3042                         ptr += sprintf( ptr, "%ld ", (long) si->si_retryinterval[i] );
3043                         if ( si->si_retrynum_init[i] == -1 )
3044                                 *ptr++ = '+';
3045                         else
3046                                 ptr += sprintf( ptr, "%d", si->si_retrynum_init[i] );
3047                 }
3048                 *ptr++ = '"';
3049         }
3050
3051         if ( si->si_slimit ) {
3052                 ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
3053                 ptr += sprintf( ptr, "%d", si->si_slimit );
3054         }
3055
3056         if ( si->si_tlimit ) {
3057                 ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
3058                 ptr += sprintf( ptr, "%d", si->si_tlimit );
3059         }
3060
3061         if ( si->si_syncdata ) {
3062                 if ( enum_to_verb( datamodes, si->si_syncdata, &bc ) >= 0 ) {
3063                         ptr = lutil_strcopy( ptr, " " SYNCDATASTR "=" );
3064                         ptr = lutil_strcopy( ptr, bc.bv_val );
3065                 }
3066         }
3067         bc.bv_len = ptr - buf;
3068         bc.bv_val = buf;
3069         ber_dupbv( bv, &bc );
3070 }
3071
3072 int
3073 syncrepl_config(ConfigArgs *c) {
3074         if (c->op == SLAP_CONFIG_EMIT) {
3075                 if ( c->be->be_syncinfo ) {
3076                         struct berval bv;
3077                         syncrepl_unparse( c->be->be_syncinfo, &bv );
3078                         ber_bvarray_add( &c->rvalue_vals, &bv );
3079                         return 0;
3080                 }
3081                 return 1;
3082         } else if ( c->op == LDAP_MOD_DELETE ) {
3083                 struct re_s *re;
3084
3085                 if ( c->be->be_syncinfo ) {
3086                         re = c->be->be_syncinfo->si_re;
3087                         if ( re ) {
3088                                 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
3089                                         ldap_pvt_runqueue_stoptask( &slapd_rq, re );
3090                                 ldap_pvt_runqueue_remove( &slapd_rq, re );
3091                         }
3092                         syncinfo_free( c->be->be_syncinfo );
3093                         c->be->be_syncinfo = NULL;
3094                 }
3095                 SLAP_DBFLAGS(c->be) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
3096                 return 0;
3097         }
3098         if(SLAP_SHADOW(c->be)) {
3099                 Debug(LDAP_DEBUG_ANY, "%s: "
3100                         "syncrepl: database already shadowed.\n",
3101                         c->log, 0, 0);
3102                 return(1);
3103         } else if(add_syncrepl(c->be, c->argv, c->argc)) {
3104                 return(1);
3105         }
3106         SLAP_DBFLAGS(c->be) |= (SLAP_DBFLAG_SHADOW | SLAP_DBFLAG_SYNC_SHADOW);
3107         return(0);
3108 }