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