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