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

   1 /* syncrepl.c -- Replication Engine which uses the LDAP Sync protocol */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2006 The OpenLDAP Foundation.
   6  * Portions Copyright 2003 by IBM Corporation.
   7  * Portions Copyright 2003 by Howard Chu, Symas Corporation.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18
  19 #include "portable.h"
  20
  21 #include <stdio.h>
  22
  23 #include <ac/string.h>
  24 #include <ac/socket.h>
  25
  26 #include "lutil.h"
  27 #include "slap.h"
  28 #include "lutil_ldap.h"
  29
  30 #include "config.h"
  31
  32 #include "ldap_rq.h"
  33
  34 struct nonpresent_entry {
  35         struct berval *npe_name;
  36         struct berval *npe_nname;
  37         LDAP_LIST_ENTRY(nonpresent_entry) npe_link;
  38 };
  39
  40 #define SYNCDATA_DEFAULT        0       /* entries are plain LDAP entries */
  41 #define SYNCDATA_ACCESSLOG      1       /* entries are accesslog format */
  42 #define SYNCDATA_CHANGELOG      2       /* entries are changelog format */
  43
  44 #define SYNCLOG_LOGGING         0       /* doing a log-based update */
  45 #define SYNCLOG_FALLBACK        1       /* doing a full refresh */
  46
  47 #define RETRYNUM_FOREVER        (-1)    /* retry forever */
  48 #define RETRYNUM_TAIL           (-2)    /* end of retrynum array */
  49 #define RETRYNUM_VALID(n)       ((n) >= RETRYNUM_FOREVER)       /* valid retrynum */
  50 #define RETRYNUM_FINITE(n)      ((n) > RETRYNUM_FOREVER)        /* not forever */
  51
  52 typedef struct syncinfo_s {
  53         struct slap_backend_db *si_be;
  54         struct re_s                     *si_re;
  55         long                            si_rid;
  56         slap_bindconf           si_bindconf;
  57         struct berval           si_base;
  58         struct berval           si_logbase;
  59         struct berval           si_filterstr;
  60         struct berval           si_logfilterstr;
  61         int                                     si_scope;
  62         int                                     si_attrsonly;
  63         char                            *si_anfile;
  64         AttributeName           *si_anlist;
  65         AttributeName           *si_exanlist;
  66         char                            **si_attrs;
  67         char                            **si_exattrs;
  68         int                                     si_allattrs;
  69         int                                     si_allopattrs;
  70         int                                     si_schemachecking;
  71         int                                     si_type;        /* the active type */
  72         int                                     si_ctype;       /* the configured type */
  73         time_t                          si_interval;
  74         time_t                          *si_retryinterval;
  75         int                                     *si_retrynum_init;
  76         int                                     *si_retrynum;
  77         struct sync_cookie      si_syncCookie;
  78         int                                     si_manageDSAit;
  79         int                                     si_slimit;
  80         int                                     si_tlimit;
  81         int                                     si_refreshDelete;
  82         int                                     si_refreshPresent;
  83         int                                     si_syncdata;
  84         int                                     si_logstate;
  85         int                                     si_conn_setup;
  86         Avlnode                         *si_presentlist;
  87         LDAP                            *si_ld;
  88         LDAP_LIST_HEAD(np, nonpresent_entry) si_nonpresentlist;
  89         ldap_pvt_thread_mutex_t si_mutex;
  90 } syncinfo_t;
  91
  92 static int syncuuid_cmp( const void *, const void * );
  93 static void avl_ber_bvfree( void * );
  94 static void syncrepl_del_nonpresent( Operation *, syncinfo_t *, BerVarray, struct berval * );
  95 static int syncrepl_message_to_op(
  96                                         syncinfo_t *, Operation *, LDAPMessage * );
  97 static int syncrepl_message_to_entry(
  98                                         syncinfo_t *, Operation *, LDAPMessage *,
  99                                         Modifications **, Entry **, int );
 100 static int syncrepl_entry(
 101                                         syncinfo_t *, Operation*, Entry*,
 102                                         Modifications**,int, struct berval*,
 103                                         struct sync_cookie *,
 104                                         struct berval * );
 105 static 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: rid %03d ldap_initialize failed (%s)\n",
 431                         si->si_rid, si->si_bindconf.sb_uri.bv_val, 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: rid %03d ldap_start_tls failed (%d)\n",
 445                                 si->si_bindconf.sb_tls == SB_TLS_CRITICAL ? "Error" : "Warning",
 446                                 si->si_rid, rc );
 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: rid %03d ldap_set_option "
 461                                         "(%s,SECPROPS,\"%s\") failed!\n",
 462                                         si->si_rid, si->si_bindconf.sb_uri.bv_val, si->si_bindconf.sb_secprops );
 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: rid %03d "
 492                                 "ldap_sasl_interactive_bind_s failed (%d)\n",
 493                                 si->si_rid, rc, 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: rid %03d "
 519                                 "ldap_sasl_bind_s failed (%d)\n", si->si_rid, rc, 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: rid %03d "
 591                         "ldap_search_ext: %s (%d)\n",
 592                         si->si_rid, ldap_err2string( rc ), rc );
 593         }
 594
 595 done:
 596         if ( rc ) {
 597                 if ( si->si_ld ) {
 598                         ldap_unbind_ext( si->si_ld, NULL, NULL );
 599                         si->si_ld = NULL;
 600                 }
 601         }
 602
 603         return rc;
 604 }
 605
 606 static int
 607 do_syncrep2(
 608         Operation *op,
 609         syncinfo_t *si )
 610 {
 611         LDAPControl     **rctrls = NULL;
 612         LDAPControl     *rctrlp;
 613
 614         BerElementBuffer berbuf;
 615         BerElement      *ber = (BerElement *)&berbuf;
 616
 617         LDAPMessage     *res = NULL;
 618         LDAPMessage     *msg = NULL;
 619
 620         char            *retoid = NULL;
 621         struct berval   *retdata = NULL;
 622
 623         Entry           *entry = NULL;
 624
 625         int             syncstate;
 626         struct berval   syncUUID = BER_BVNULL;
 627         struct sync_cookie      syncCookie = { BER_BVNULL };
 628         struct sync_cookie      syncCookie_req = { BER_BVNULL };
 629         struct berval           cookie = BER_BVNULL;
 630
 631         int     rc, err, i;
 632         ber_len_t       len;
 633
 634         int rc_efree = 1;
 635
 636         struct berval   *psub;
 637         Modifications   *modlist = NULL;
 638
 639         const char              *text;
 640         int                             match;
 641
 642         struct timeval *tout_p = NULL;
 643         struct timeval tout = { 0, 0 };
 644
 645         int             refreshDeletes = 0;
 646         int             refreshDone = 1;
 647         BerVarray syncUUIDs = NULL;
 648         ber_tag_t si_tag;
 649
 650         if ( slapd_shutdown ) {
 651                 rc = -2;
 652                 goto done;
 653         }
 654
 655         ber_init2( ber, NULL, LBER_USE_DER );
 656         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 657
 658         Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2 rid %03d\n", si->si_rid, 0, 0 );
 659
 660         psub = &si->si_be->be_nsuffix[0];
 661
 662         slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
 663
 664         if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
 665                 tout_p = &tout;
 666         } else {
 667                 tout_p = NULL;
 668         }
 669
 670         while (( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE,
 671                 tout_p, &res )) > 0 )
 672         {
 673                 if ( slapd_shutdown ) {
 674                         rc = -2;
 675                         goto done;
 676                 }
 677                 for( msg = ldap_first_message( si->si_ld, res );
 678                         msg != NULL;
 679                         msg = ldap_next_message( si->si_ld, msg ) )
 680                 {
 681                         if ( slapd_shutdown ) {
 682                                 rc = -2;
 683                                 goto done;
 684                         }
 685                         switch( ldap_msgtype( msg ) ) {
 686                         case LDAP_RES_SEARCH_ENTRY:
 687                                 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
 688                                 /* we can't work without the control */
 689                                 if ( !rctrls ) {
 690                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: rid %03d"
 691                                                 "got search entry without "
 692                                                 "control\n", si->si_rid, 0, 0 );
 693                                         rc = -1;
 694                                         goto done;
 695                                 }
 696                                 rctrlp = *rctrls;
 697                                 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 698                                 ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
 699                                 /* FIXME: what if syncUUID is NULL or empty?
 700                                  * (happens with back-sql...) */
 701                                 if ( BER_BVISEMPTY( &syncUUID ) ) {
 702                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: rid %03d "
 703                                                 "got empty syncUUID\n", si->si_rid, 0, 0 );
 704                                         ldap_controls_free( rctrls );
 705                                         rc = -1;
 706                                         goto done;
 707                                 }
 708                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 709                                         ber_scanf( ber, /*"{"*/ "m}", &cookie );
 710                                         if ( !BER_BVISNULL( &cookie ) ) {
 711                                                 ch_free( syncCookie.octet_str.bv_val );
 712                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 713                                         }
 714                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 715                                         {
 716                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 717                                         }
 718                                 }
 719                                 if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
 720                                         entry = NULL;
 721                                         modlist = NULL;
 722                                         if ( syncrepl_message_to_op( si, op, msg ) == LDAP_SUCCESS &&
 723                                                 !BER_BVISNULL( &syncCookie.ctxcsn ) ) {
 724                                                 syncrepl_updateCookie( si, op, psub, &syncCookie );
 725                                         }
 726                                 } else if ( syncrepl_message_to_entry( si, op, msg,
 727                                         &modlist, &entry, syncstate ) == LDAP_SUCCESS ) {
 728                                         rc_efree = syncrepl_entry( si, op, entry, &modlist,
 729                                                 syncstate, &syncUUID, &syncCookie_req, &syncCookie.ctxcsn );
 730                                         if ( !BER_BVISNULL( &syncCookie.ctxcsn ) )
 731                                         {
 732                                                 syncrepl_updateCookie( si, op, psub, &syncCookie );
 733                                         }
 734                                 }
 735                                 ldap_controls_free( rctrls );
 736                                 if ( modlist ) {
 737                                         slap_mods_free( modlist, 1 );
 738                                 }
 739                                 if ( rc_efree && entry ) {
 740                                         entry_free( entry );
 741                                 }
 742                                 entry = NULL;
 743                                 break;
 744
 745                         case LDAP_RES_SEARCH_REFERENCE:
 746                                 Debug( LDAP_DEBUG_ANY,
 747                                         "do_syncrep2: rid %03d reference received error\n",
 748                                         si->si_rid, 0, 0 );
 749                                 break;
 750
 751                         case LDAP_RES_SEARCH_RESULT:
 752                                 Debug( LDAP_DEBUG_SYNC,
 753                                         "do_syncrep2: rid %03d LDAP_RES_SEARCH_RESULT\n",
 754                                         si->si_rid, 0, 0 );
 755                                 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
 756                                         &rctrls, 0 );
 757 #ifdef LDAP_X_SYNC_REFRESH_REQUIRED
 758                                 if ( err == LDAP_X_SYNC_REFRESH_REQUIRED ) {
 759                                         /* map old result code to registered code */
 760                                         err = LDAP_SYNC_REFRESH_REQUIRED;
 761                                 }
 762 #endif
 763                                 if ( err == LDAP_SYNC_REFRESH_REQUIRED ) {
 764                                         if ( si->si_logstate == SYNCLOG_LOGGING ) {
 765                                                 si->si_logstate = SYNCLOG_FALLBACK;
 766                                         }
 767                                         rc = err;
 768                                         goto done;
 769                                 }
 770                                 if ( rctrls ) {
 771                                         rctrlp = *rctrls;
 772                                         ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
 773
 774                                         ber_scanf( ber, "{" /*"}"*/);
 775                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
 776                                                 ber_scanf( ber, "m", &cookie );
 777                                                 if ( !BER_BVISNULL( &cookie ) ) {
 778                                                         ch_free( syncCookie.octet_str.bv_val );
 779                                                         ber_dupbv( &syncCookie.octet_str, &cookie);
 780                                                 }
 781                                                 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 782                                                 {
 783                                                         slap_parse_sync_cookie( &syncCookie, NULL );
 784                                                 }
 785                                         }
 786                                         if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
 787                                         {
 788                                                 ber_scanf( ber, "b", &refreshDeletes );
 789                                         }
 790                                         ber_scanf( ber, /*"{"*/ "}" );
 791                                 }
 792                                 if ( BER_BVISNULL( &syncCookie_req.ctxcsn )) {
 793                                         match = -1;
 794                                 } else if ( BER_BVISNULL( &syncCookie.ctxcsn )) {
 795                                         match = 1;
 796                                 } else {
 797                                         value_match( &match, slap_schema.si_ad_entryCSN,
 798                                                 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 799                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 800                                                 &syncCookie_req.ctxcsn, &syncCookie.ctxcsn,
 801                                                 &text );
 802                                 }
 803                                 if ( rctrls ) {
 804                                         ldap_controls_free( rctrls );
 805                                 }
 806                                 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
 807                                         /* FIXME : different error behaviors according to
 808                                          *      1) err code : LDAP_BUSY ...
 809                                          *      2) on err policy : stop service, stop sync, retry
 810                                          */
 811                                         if ( refreshDeletes == 0 && match < 0 &&
 812                                                 err == LDAP_SUCCESS )
 813                                         {
 814                                                 syncrepl_del_nonpresent( op, si, NULL, &syncCookie.ctxcsn );
 815                                         } else {
 816                                                 avl_free( si->si_presentlist, avl_ber_bvfree );
 817                                                 si->si_presentlist = NULL;
 818                                         }
 819                                 }
 820                                 if ( !BER_BVISNULL( &syncCookie.ctxcsn ) &&
 821                                         match < 0 && err == LDAP_SUCCESS )
 822                                 {
 823                                         syncrepl_updateCookie( si, op, psub, &syncCookie );
 824                                 }
 825                                 if ( err == LDAP_SUCCESS
 826                                         && si->si_logstate == SYNCLOG_FALLBACK ) {
 827                                         si->si_logstate = SYNCLOG_LOGGING;
 828                                         rc = LDAP_SYNC_REFRESH_REQUIRED;
 829                                 } else {
 830                                         rc = -2;
 831                                 }
 832                                 goto done;
 833                                 break;
 834
 835                         case LDAP_RES_INTERMEDIATE:
 836                                 rc = ldap_parse_intermediate( si->si_ld, msg,
 837                                         &retoid, &retdata, NULL, 0 );
 838                                 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
 839                                         ber_init2( ber, retdata, LBER_USE_DER );
 840
 841                                         switch ( si_tag = ber_peek_tag( ber, &len )) {
 842                                         ber_tag_t tag;
 843                                         case LDAP_TAG_SYNC_NEW_COOKIE:
 844                                                 Debug( LDAP_DEBUG_SYNC,
 845                                                         "do_syncrep2: rid %03d %s - %s\n",
 846                                                         si->si_rid,
 847                                                         "LDAP_RES_INTERMEDIATE",
 848                                                         "NEW_COOKIE" );
 849                                                 ber_scanf( ber, "tm", &tag, &cookie );
 850                                                 break;
 851                                         case LDAP_TAG_SYNC_REFRESH_DELETE:
 852                                         case LDAP_TAG_SYNC_REFRESH_PRESENT:
 853                                                 Debug( LDAP_DEBUG_SYNC,
 854                                                         "do_syncrep2: rid %03d %s - %s\n",
 855                                                         si->si_rid,
 856                                                         "LDAP_RES_INTERMEDIATE",
 857                                                         si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ?
 858                                                         "REFRESH_PRESENT" : "REFRESH_DELETE" );
 859                                                 if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) {
 860                                                         si->si_refreshDelete = 1;
 861                                                 } else {
 862                                                         si->si_refreshPresent = 1;
 863                                                 }
 864                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 865                                                 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
 866                                                 {
 867                                                         ber_scanf( ber, "m", &cookie );
 868                                                         if ( !BER_BVISNULL( &cookie ) ) {
 869                                                                 ch_free( syncCookie.octet_str.bv_val );
 870                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 871                                                         }
 872                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 873                                                         {
 874                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 875                                                         }
 876                                                 }
 877                                                 if ( ber_peek_tag( ber, &len ) ==
 878                                                         LDAP_TAG_REFRESHDONE )
 879                                                 {
 880                                                         ber_scanf( ber, "b", &refreshDone );
 881                                                 }
 882                                                 ber_scanf( ber, /*"{"*/ "}" );
 883                                                 break;
 884                                         case LDAP_TAG_SYNC_ID_SET:
 885                                                 Debug( LDAP_DEBUG_SYNC,
 886                                                         "do_syncrep2: rid %03d %s - %s\n",
 887                                                         si->si_rid,
 888                                                         "LDAP_RES_INTERMEDIATE",
 889                                                         "SYNC_ID_SET" );
 890                                                 ber_scanf( ber, "t{" /*"}"*/, &tag );
 891                                                 if ( ber_peek_tag( ber, &len ) ==
 892                                                         LDAP_TAG_SYNC_COOKIE )
 893                                                 {
 894                                                         ber_scanf( ber, "m", &cookie );
 895                                                         if ( !BER_BVISNULL( &cookie ) ) {
 896                                                                 ch_free( syncCookie.octet_str.bv_val );
 897                                                                 ber_dupbv( &syncCookie.octet_str, &cookie );
 898                                                         }
 899                                                         if ( !BER_BVISNULL( &syncCookie.octet_str ) )
 900                                                         {
 901                                                                 slap_parse_sync_cookie( &syncCookie, NULL );
 902                                                         }
 903                                                 }
 904                                                 if ( ber_peek_tag( ber, &len ) ==
 905                                                         LDAP_TAG_REFRESHDELETES )
 906                                                 {
 907                                                         ber_scanf( ber, "b", &refreshDeletes );
 908                                                 }
 909                                                 ber_scanf( ber, "[W]", &syncUUIDs );
 910                                                 ber_scanf( ber, /*"{"*/ "}" );
 911                                                 if ( refreshDeletes ) {
 912                                                         syncrepl_del_nonpresent( op, si, syncUUIDs,
 913                                                                 &syncCookie.ctxcsn );
 914                                                         ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx );
 915                                                 } else {
 916                                                         for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) {
 917                                                                 struct berval *syncuuid_bv;
 918                                                                 syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
 919                                                                 slap_sl_free( syncUUIDs[i].bv_val,op->o_tmpmemctx );
 920                                                                 avl_insert( &si->si_presentlist,
 921                                                                         (caddr_t) syncuuid_bv,
 922                                                                         syncuuid_cmp, avl_dup_error );
 923                                                         }
 924                                                         slap_sl_free( syncUUIDs, op->o_tmpmemctx );
 925                                                 }
 926                                                 slap_sync_cookie_free( &syncCookie, 0 );
 927                                                 break;
 928                                         default:
 929                                                 Debug( LDAP_DEBUG_ANY,
 930                                                         "do_syncrep2: rid %03d unknown syncinfo tag (%ld)\n",
 931                                                         si->si_rid, (long) si_tag, 0 );
 932                                                 ldap_memfree( retoid );
 933                                                 ber_bvfree( retdata );
 934                                                 continue;
 935                                         }
 936
 937                                         if ( BER_BVISNULL( &syncCookie_req.ctxcsn )) {
 938                                                 match = -1;
 939                                         } else if ( BER_BVISNULL( &syncCookie.ctxcsn )) {
 940                                                 match = 1;
 941                                         } else {
 942                                                 value_match( &match, slap_schema.si_ad_entryCSN,
 943                                                         slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
 944                                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 945                                                         &syncCookie_req.ctxcsn,
 946                                                         &syncCookie.ctxcsn, &text );
 947                                         }
 948
 949                                         if ( match < 0 ) {
 950                                                 if ( si->si_refreshPresent == 1 ) {
 951                                                         syncrepl_del_nonpresent( op, si, NULL, &syncCookie.ctxcsn );
 952                                                 }
 953                                                 if ( !BER_BVISNULL( &syncCookie.ctxcsn ))
 954                                                 {
 955                                                         syncrepl_updateCookie( si, op, psub, &syncCookie);
 956                                                 }
 957                                         }
 958
 959                                         ldap_memfree( retoid );
 960                                         ber_bvfree( retdata );
 961                                         break;
 962
 963                                 } else {
 964                                         Debug( LDAP_DEBUG_ANY, "do_syncrep2: rid %03d "
 965                                                 "unknown intermediate response (%d)\n",
 966                                                 si->si_rid, rc, 0 );
 967                                         ldap_memfree( retoid );
 968                                         ber_bvfree( retdata );
 969                                         break;
 970                                 }
 971                                 break;
 972
 973                         default:
 974                                 Debug( LDAP_DEBUG_ANY, "do_syncrep2: rid %03d "
 975                                         "unknown message\n", si->si_rid, 0, 0 );
 976                                 break;
 977
 978                         }
 979                         if ( !BER_BVISNULL( &syncCookie.octet_str )) {
 980                                 slap_sync_cookie_free( &syncCookie_req, 0 );
 981                                 slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
 982                                 slap_sync_cookie_free( &syncCookie, 0 );
 983                         }
 984                 }
 985                 ldap_msgfree( res );
 986                 res = NULL;
 987         }
 988
 989         if ( rc == -1 ) {
 990                 const char *errstr;
 991
 992                 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
 993                 errstr = ldap_err2string( rc );
 994
 995                 Debug( LDAP_DEBUG_ANY,
 996                         "do_syncrep2: rid %03d %s\n", si->si_rid, errstr, 0 );
 997         }
 998
 999 done:
1000         slap_sync_cookie_free( &syncCookie, 0 );
1001         slap_sync_cookie_free( &syncCookie_req, 0 );
1002
1003         if ( res ) ldap_msgfree( res );
1004
1005         if ( rc && rc != LDAP_SYNC_REFRESH_REQUIRED && si->si_ld ) {
1006                 if ( si->si_conn_setup ) {
1007                         ber_socket_t s;
1008                         ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1009                         connection_client_stop( s );
1010                         si->si_conn_setup = 0;
1011                 }
1012                 ldap_unbind_ext( si->si_ld, NULL, NULL );
1013                 si->si_ld = NULL;
1014         }
1015
1016         return rc;
1017 }
1018
1019 static void *
1020 do_syncrepl(
1021         void    *ctx,
1022         void    *arg )
1023 {
1024         struct re_s* rtask = arg;
1025         syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
1026         Connection conn = {0};
1027         OperationBuffer opbuf;
1028         Operation *op;
1029         int rc = LDAP_SUCCESS;
1030         int dostop = 0;
1031         ber_socket_t s;
1032         int i, defer = 1;
1033         Backend *be;
1034
1035         Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl rid %03d\n", si->si_rid, 0, 0 );
1036
1037         if ( si == NULL )
1038                 return NULL;
1039
1040         ldap_pvt_thread_mutex_lock( &si->si_mutex );
1041
1042         switch( abs( si->si_type )) {
1043         case LDAP_SYNC_REFRESH_ONLY:
1044         case LDAP_SYNC_REFRESH_AND_PERSIST:
1045                 break;
1046         default:
1047                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1048                 return NULL;
1049         }
1050
1051         if ( slapd_shutdown ) {
1052                 if ( si->si_ld ) {
1053                         if ( si->si_conn_setup ) {
1054                                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1055                                 connection_client_stop( s );
1056                                 si->si_conn_setup = 0;
1057                         }
1058                         ldap_unbind_ext( si->si_ld, NULL, NULL );
1059                         si->si_ld = NULL;
1060                 }
1061                 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1062                 return NULL;
1063         }
1064
1065         op = (Operation *) &opbuf;
1066         connection_fake_init( &conn, op, ctx );
1067
1068         /* use global malloc for now */
1069         op->o_tmpmemctx = NULL;
1070         op->o_tmpmfuncs = &ch_mfuncs;
1071
1072         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1073         op->o_bd = be = si->si_be;
1074         op->o_dn = op->o_bd->be_rootdn;
1075         op->o_ndn = op->o_bd->be_rootndn;
1076
1077         /* Establish session, do search */
1078         if ( !si->si_ld ) {
1079                 si->si_refreshDelete = 0;
1080                 si->si_refreshPresent = 0;
1081                 rc = do_syncrep1( op, si );
1082         }
1083
1084 reload:
1085         /* Process results */
1086         if ( rc == LDAP_SUCCESS ) {
1087                 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1088
1089                 rc = do_syncrep2( op, si );
1090                 if ( rc == LDAP_SYNC_REFRESH_REQUIRED ) {
1091                         rc = ldap_sync_search( si, op->o_tmpmemctx );
1092                         goto reload;
1093                 }
1094
1095                 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
1096                         /* If we succeeded, enable the connection for further listening.
1097                          * If we failed, tear down the connection and reschedule.
1098                          */
1099                         if ( rc == LDAP_SUCCESS ) {
1100                                 if ( si->si_conn_setup ) {
1101                                         connection_client_enable( s );
1102                                 } else {
1103                                         rc = connection_client_setup( s, do_syncrepl, arg );
1104                                         if ( rc == 0 )
1105                                                 si->si_conn_setup = 1;
1106                                 }
1107                         } else if ( si->si_conn_setup ) {
1108                                 dostop = 1;
1109                         }
1110                 } else {
1111                         if ( rc == -2 ) rc = 0;
1112                 }
1113         }
1114
1115         /* At this point, we have 4 cases:
1116          * 1) for any hard failure, give up and remove this task
1117          * 2) for ServerDown, reschedule this task to run
1118          * 3) for Refresh and Success, reschedule to run
1119          * 4) for Persist and Success, reschedule to defer
1120          */
1121         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
1122
1123         if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask )) {
1124                 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
1125         }
1126
1127         if ( dostop ) {
1128                 connection_client_stop( s );
1129         }
1130
1131         if ( rc == LDAP_SUCCESS ) {
1132                 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
1133                         defer = 0;
1134                 }
1135                 rtask->interval.tv_sec = si->si_interval;
1136                 ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
1137                 if ( si->si_retrynum ) {
1138                         for ( i = 0; si->si_retrynum_init[i] != RETRYNUM_TAIL; i++ ) {
1139                                 si->si_retrynum[i] = si->si_retrynum_init[i];
1140                         }
1141                         si->si_retrynum[i] = RETRYNUM_TAIL;
1142                 }
1143         } else {
1144                 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
1145                         if ( si->si_retrynum[i] == RETRYNUM_FOREVER || si->si_retrynum[i] == RETRYNUM_TAIL )
1146                                 break;
1147                 }
1148
1149                 if ( !si->si_retrynum || si->si_retrynum[i] == RETRYNUM_TAIL ) {
1150                         ldap_pvt_runqueue_remove( &slapd_rq, rtask );
1151                 } else if ( RETRYNUM_VALID( si->si_retrynum[i] ) ) {
1152                         if ( si->si_retrynum[i] > 0 )
1153                                 si->si_retrynum[i]--;
1154                         rtask->interval.tv_sec = si->si_retryinterval[i];
1155                         ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1156                         slap_wake_listener();
1157                 }
1158         }
1159
1160         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1161         ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1162
1163         return NULL;
1164 }
1165
1166 static slap_verbmasks modops[] = {
1167         { BER_BVC("add"), LDAP_REQ_ADD },
1168         { BER_BVC("delete"), LDAP_REQ_DELETE },
1169         { BER_BVC("modify"), LDAP_REQ_MODIFY },
1170         { BER_BVC("modrdn"), LDAP_REQ_MODRDN},
1171         { BER_BVNULL, 0 }
1172 };
1173
1174 static Modifications *
1175 syncrepl_accesslog_mods(
1176         syncinfo_t *si,
1177         struct berval *vals
1178 )
1179 {
1180         char *colon;
1181         const char *text;
1182         AttributeDescription *ad;
1183         struct berval bv, bv2;
1184         short op;
1185         Modifications *mod = NULL, *modlist = NULL, **modtail;
1186         int i;
1187
1188         modtail = &modlist;
1189
1190         for (i=0; !BER_BVISNULL( &vals[i] ); i++) {
1191                 ad = NULL;
1192                 bv = vals[i];
1193
1194                 colon = ber_bvchr( &bv, ':' );
1195                 if ( !colon )
1196                         continue;       /* invalid */
1197                 bv.bv_len = colon - bv.bv_val;
1198                 if ( slap_bv2ad( &bv, &ad, &text )) {
1199                         /* Invalid */
1200                         continue;
1201                 }
1202                 /* Ignore dynamically generated attrs */
1203                 if ( ad->ad_type->sat_flags & SLAP_AT_DYNAMIC )
1204                         continue;
1205                 /* Ignore excluded attrs */
1206                 if ( ldap_charray_inlist( si->si_exattrs,
1207                         ad->ad_type->sat_cname.bv_val ))
1208                         continue;
1209
1210                 switch(colon[1]) {
1211                 case '+':       op = LDAP_MOD_ADD; break;
1212                 case '-':       op = LDAP_MOD_DELETE; break;
1213                 case '=':       op = LDAP_MOD_REPLACE; break;
1214                 case '#':       op = LDAP_MOD_INCREMENT; break;
1215                 default:        continue;
1216                 }
1217
1218                 if ( !mod || ad != mod->sml_desc || op != mod->sml_op ) {
1219                         mod = (Modifications *) ch_malloc( sizeof( Modifications ));
1220                         mod->sml_flags = 0;
1221                         mod->sml_op = op;
1222                         mod->sml_next = NULL;
1223                         mod->sml_desc = ad;
1224                         mod->sml_type = ad->ad_cname;
1225                         mod->sml_values = NULL;
1226                         mod->sml_nvalues = NULL;
1227
1228                         *modtail = mod;
1229                         modtail = &mod->sml_next;
1230                 }
1231                 if ( colon[2] == ' ' ) {
1232                         bv.bv_val = colon + 3;
1233                         bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val );
1234                         ber_dupbv( &bv2, &bv );
1235                         ber_bvarray_add( &mod->sml_values, &bv2 );
1236                 }
1237         }
1238         return modlist;
1239 }
1240
1241 static Modifications *
1242 syncrepl_changelog_mods(
1243         syncinfo_t *si,
1244         struct berval *vals
1245 )
1246 {
1247         return NULL;    /* FIXME */
1248 }
1249
1250 static int
1251 syncrepl_message_to_op(
1252         syncinfo_t      *si,
1253         Operation       *op,
1254         LDAPMessage     *msg
1255 )
1256 {
1257         BerElement      *ber = NULL;
1258         Modifications   *modlist = NULL;
1259         logschema *ls;
1260         SlapReply rs = { REP_RESULT };
1261         slap_callback cb = { NULL, null_callback, NULL, NULL };
1262
1263         const char      *text;
1264         char txtbuf[SLAP_TEXT_BUFLEN];
1265         size_t textlen = sizeof txtbuf;
1266
1267         struct berval   bdn, dn = BER_BVNULL, ndn;
1268         struct berval   bv, *bvals = NULL;
1269         struct berval   rdn = BER_BVNULL, sup = BER_BVNULL,
1270                 prdn = BER_BVNULL, nrdn = BER_BVNULL,
1271                 psup = BER_BVNULL, nsup = BER_BVNULL;
1272         int             rc, deleteOldRdn = 0, freeReqDn = 0;
1273
1274         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1275                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: rid %03d "
1276                         "Message type should be entry (%d)",
1277                         si->si_rid, ldap_msgtype( msg ), 0 );
1278                 return -1;
1279         }
1280
1281         if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
1282                 ls = &accesslog_sc;
1283         else
1284                 ls = &changelog_sc;
1285
1286         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1287
1288         if ( rc != LDAP_SUCCESS ) {
1289                 Debug( LDAP_DEBUG_ANY,
1290                         "syncrepl_message_to_op: rid %03d dn get failed (%d)",
1291                         si->si_rid, rc, 0 );
1292                 return rc;
1293         }
1294
1295         op->o_tag = LBER_DEFAULT;
1296
1297         while (( rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, &bvals ))
1298                 == LDAP_SUCCESS ) {
1299                 if ( bv.bv_val == NULL )
1300                         break;
1301
1302                 if ( !ber_bvstrcasecmp( &bv, &ls->ls_dn )) {
1303                         bdn = bvals[0];
1304                         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1305                         ber_dupbv( &op->o_req_dn, &dn );
1306                         ber_dupbv( &op->o_req_ndn, &ndn );
1307                         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1308                         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1309                         freeReqDn = 1;
1310                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_req )) {
1311                         int i = verb_to_mask( bvals[0].bv_val, modops );
1312                         if ( i < 0 ) {
1313                                 Debug( LDAP_DEBUG_ANY,
1314                                         "syncrepl_message_to_op: rid %03d unknown op %s",
1315                                         si->si_rid, bvals[0].bv_val, 0 );
1316                                 ch_free( bvals );
1317                                 rc = -1;
1318                                 goto done;
1319                         }
1320                         op->o_tag = modops[i].mask;
1321                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_mod )) {
1322                         /* Parse attribute into modlist */
1323                         if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
1324                                 modlist = syncrepl_accesslog_mods( si, bvals );
1325                         else
1326                                 modlist = syncrepl_changelog_mods( si, bvals );
1327                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newRdn )) {
1328                         rdn = bvals[0];
1329                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_delRdn )) {
1330                         if ( !ber_bvstrcasecmp( &slap_true_bv, bvals ))
1331                                 deleteOldRdn = 1;
1332                 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup )) {
1333                         sup = bvals[0];
1334                 } else if ( !ber_bvstrcasecmp( &bv,
1335                         &slap_schema.si_ad_entryCSN->ad_cname )) {
1336                         slap_queue_csn( op, bvals );
1337                 }
1338                 ch_free( bvals );
1339         }
1340
1341         /* If we didn't get a mod type or a target DN, bail out */
1342         if ( op->o_tag == LBER_DEFAULT || BER_BVISNULL( &dn )) {
1343                 rc = -1;
1344                 goto done;
1345         }
1346
1347         op->o_callback = &cb;
1348         slap_op_time( &op->o_time, &op->o_tincr );
1349
1350         switch( op->o_tag ) {
1351         case LDAP_REQ_ADD:
1352         case LDAP_REQ_MODIFY:
1353                 /* If we didn't get required data, bail */
1354                 if ( !modlist ) goto done;
1355
1356                 rc = slap_mods_check( modlist, &text, txtbuf, textlen, NULL );
1357
1358                 if ( rc != LDAP_SUCCESS ) {
1359                         Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: rid %03d "
1360                                 "mods check (%s)\n",
1361                                 si->si_rid, text, 0 );
1362                         goto done;
1363                 }
1364
1365                 if ( op->o_tag == LDAP_REQ_ADD ) {
1366                         op->ora_e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
1367                         op->ora_e->e_name = op->o_req_dn;
1368                         op->ora_e->e_nname = op->o_req_ndn;
1369                         freeReqDn = 0;
1370                         rc = slap_mods2entry( modlist, &op->ora_e, 1, 0, &text, txtbuf, textlen);
1371                         if( rc != LDAP_SUCCESS ) {
1372                                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: rid %03d "
1373                                 "mods2entry (%s)\n",
1374                                         si->si_rid, text, 0 );
1375                         } else {
1376                                 rc = op->o_bd->be_add( op, &rs );
1377                                 Debug( LDAP_DEBUG_SYNC,
1378                                         "syncrepl_message_to_op: rid %03d be_add %s (%d)\n",
1379                                         si->si_rid, op->o_req_dn.bv_val, rc );
1380                         }
1381                         be_entry_release_w( op, op->ora_e );
1382                 } else {
1383                         op->orm_modlist = modlist;
1384                         rc = op->o_bd->be_modify( op, &rs );
1385                         Debug( LDAP_DEBUG_SYNC,
1386                                 "syncrepl_message_to_op: rid %03d be_modify %s (%d)\n",
1387                                 si->si_rid, op->o_req_dn.bv_val, rc );
1388                 }
1389                 break;
1390         case LDAP_REQ_MODRDN:
1391                 if ( BER_BVISNULL( &rdn )) goto done;
1392
1393                 if ( rdnPretty( NULL, &rdn, &prdn, NULL ))
1394                         goto done;
1395                 if ( rdnNormalize( 0, NULL, NULL, &rdn, &nrdn, NULL ))
1396                         goto done;
1397                 if ( !BER_BVISNULL( &sup )) {
1398                         if ( dnPrettyNormal( NULL, &sup, &psup, &nsup, NULL ))
1399                                 goto done;
1400                         op->orr_newSup = &psup;
1401                         op->orr_nnewSup = &nsup;
1402                 } else {
1403                         op->orr_newSup = NULL;
1404                         op->orr_nnewSup = NULL;
1405                 }
1406                 op->orr_newrdn = prdn;
1407                 op->orr_nnewrdn = nrdn;
1408                 op->orr_deleteoldrdn = deleteOldRdn;
1409                 rc = op->o_bd->be_modrdn( op, &rs );
1410                 Debug( LDAP_DEBUG_SYNC,
1411                         "syncrepl_message_to_op: rid %03d be_modrdn %s (%d)\n",
1412                         si->si_rid, op->o_req_dn.bv_val, rc );
1413                 break;
1414         case LDAP_REQ_DELETE:
1415                 rc = op->o_bd->be_delete( op, &rs );
1416                 Debug( LDAP_DEBUG_SYNC,
1417                         "syncrepl_message_to_op: rid %03d be_delete %s (%d)\n",
1418                         si->si_rid, op->o_req_dn.bv_val, rc );
1419                 break;
1420         }
1421 done:
1422         slap_graduate_commit_csn( op );
1423         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
1424         BER_BVZERO( &op->o_csn );
1425         if ( modlist )
1426                 slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
1427         if ( !BER_BVISNULL( &rdn )) {
1428                 if ( !BER_BVISNULL( &nsup ))
1429                         ch_free( nsup.bv_val );
1430                 if ( !BER_BVISNULL( &psup ))
1431                         ch_free( psup.bv_val );
1432                 if ( !BER_BVISNULL( &nrdn ))
1433                         ch_free( nrdn.bv_val );
1434                 if ( !BER_BVISNULL( &prdn ))
1435                         ch_free( prdn.bv_val );
1436         }
1437         if ( freeReqDn ) {
1438                 ch_free( op->o_req_ndn.bv_val );
1439                 ch_free( op->o_req_dn.bv_val );
1440         }
1441         ber_free ( ber, 0 );
1442         return rc;
1443 }
1444
1445 static int
1446 syncrepl_message_to_entry(
1447         syncinfo_t      *si,
1448         Operation       *op,
1449         LDAPMessage     *msg,
1450         Modifications   **modlist,
1451         Entry                   **entry,
1452         int             syncstate
1453 )
1454 {
1455         Entry           *e = NULL;
1456         BerElement      *ber = NULL;
1457         Modifications   tmp;
1458         Modifications   *mod;
1459         Modifications   **modtail = modlist;
1460
1461         const char      *text;
1462         char txtbuf[SLAP_TEXT_BUFLEN];
1463         size_t textlen = sizeof txtbuf;
1464
1465         struct berval   bdn = {0, NULL}, dn, ndn;
1466         int             rc;
1467
1468         *modlist = NULL;
1469
1470         if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1471                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: rid %03d "
1472                         "Message type should be entry (%d)",
1473                         si->si_rid, ldap_msgtype( msg ), 0 );
1474                 return -1;
1475         }
1476
1477         op->o_tag = LDAP_REQ_ADD;
1478
1479         rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1480
1481         if ( rc != LDAP_SUCCESS ) {
1482                 Debug( LDAP_DEBUG_ANY,
1483                         "syncrepl_message_to_entry: rid %03d dn get failed (%d)",
1484                         si->si_rid, rc, 0 );
1485                 return rc;
1486         }
1487
1488         dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1489         ber_dupbv( &op->o_req_dn, &dn );
1490         ber_dupbv( &op->o_req_ndn, &ndn );
1491         slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1492         slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1493
1494         if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1495                 if ( entry )
1496                         *entry = NULL;
1497                 return LDAP_SUCCESS;
1498         }
1499
1500         if ( entry == NULL ) {
1501                 return -1;
1502         }
1503
1504         e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
1505         *entry = e;
1506         e->e_name = op->o_req_dn;
1507         e->e_nname = op->o_req_ndn;
1508
1509         while ( ber_remaining( ber ) ) {
1510                 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1511                         LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) )
1512                 {
1513                         break;
1514                 }
1515
1516                 mod  = (Modifications *) ch_malloc( sizeof( Modifications ));
1517
1518                 mod->sml_op = LDAP_MOD_REPLACE;
1519                 mod->sml_flags = 0;
1520                 mod->sml_next = NULL;
1521                 mod->sml_desc = NULL;
1522                 mod->sml_type = tmp.sml_type;
1523                 mod->sml_values = tmp.sml_values;
1524                 mod->sml_nvalues = NULL;
1525
1526                 *modtail = mod;
1527                 modtail = &mod->sml_next;
1528         }
1529
1530         if ( *modlist == NULL ) {
1531                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: rid %03d no attributes\n",
1532                         si->si_rid, 0, 0 );
1533                 rc = -1;
1534                 goto done;
1535         }
1536
1537         rc = slap_mods_check( *modlist, &text, txtbuf, textlen, NULL );
1538
1539         if ( rc != LDAP_SUCCESS ) {
1540                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: rid %03d mods check (%s)\n",
1541                         si->si_rid, text, 0 );
1542                 goto done;
1543         }
1544
1545         /* Strip out dynamically generated attrs */
1546         for ( modtail = modlist; *modtail ; ) {
1547                 mod = *modtail;
1548                 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1549                         *modtail = mod->sml_next;
1550                         slap_mod_free( &mod->sml_mod, 0 );
1551                         ch_free( mod );
1552                 } else {
1553                         modtail = &mod->sml_next;
1554                 }
1555         }
1556
1557         /* Strip out attrs in exattrs list */
1558         for ( modtail = modlist; *modtail ; ) {
1559                 mod = *modtail;
1560                 if ( ldap_charray_inlist( si->si_exattrs,
1561                                         mod->sml_desc->ad_type->sat_cname.bv_val )) {
1562                         *modtail = mod->sml_next;
1563                         slap_mod_free( &mod->sml_mod, 0 );
1564                         ch_free( mod );
1565                 } else {
1566                         modtail = &mod->sml_next;
1567                 }
1568         }
1569
1570         rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1571         if( rc != LDAP_SUCCESS ) {
1572                 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: rid %03d mods2entry (%s)\n",
1573                         si->si_rid, text, 0 );
1574         }
1575
1576 done:
1577         ber_free ( ber, 0 );
1578         if ( rc != LDAP_SUCCESS ) {
1579                 if ( e ) {
1580                         entry_free( e );
1581                         *entry = e = NULL;
1582                 }
1583         }
1584
1585         return rc;
1586 }
1587
1588 static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
1589
1590 /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
1591  * entry if a previous refresh was interrupted before sending us a new
1592  * context state. We try to compare the new entry to the existing entry
1593  * and ignore the new entry if they are the same.
1594  *
1595  * Also, we may get an update where the entryDN has changed, due to
1596  * a ModDn on the provider. We detect this as well, so we can issue
1597  * the corresponding operation locally.
1598  *
1599  * In the case of a modify, we get a list of all the attributes
1600  * in the original entry. Rather than deleting the entry and re-adding it,
1601  * we issue a Modify request that deletes all the attributes and adds all
1602  * the new ones. This avoids the issue of trying to delete/add a non-leaf
1603  * entry.
1604  *
1605  * We don't try to otherwise distinguish ModDN from Modify; in the case of
1606  * a ModDN we will issue both operations on the local database.
1607  */
1608 typedef struct dninfo {
1609         Entry *new_entry;
1610         struct berval dn;
1611         struct berval ndn;
1612         int renamed;    /* Was an existing entry renamed? */
1613         int wasChanged; /* are the attributes changed? */
1614         int attrs;              /* how many attribute types are in the ads list */
1615         AttributeDescription **ads;
1616 } dninfo;
1617
1618 static int
1619 syncrepl_entry(
1620         syncinfo_t* si,
1621         Operation *op,
1622         Entry* entry,
1623         Modifications** modlist,
1624         int syncstate,
1625         struct berval* syncUUID,
1626         struct sync_cookie* syncCookie_req,
1627         struct berval* syncCSN )
1628 {
1629         Backend *be = op->o_bd;
1630         slap_callback   cb = { NULL, NULL, NULL, NULL };
1631         struct berval   *syncuuid_bv = NULL;
1632         struct berval   syncUUID_strrep = BER_BVNULL;
1633         struct berval   uuid_bv = BER_BVNULL;
1634
1635         SlapReply       rs_search = {REP_RESULT};
1636         SlapReply       rs_delete = {REP_RESULT};
1637         SlapReply       rs_add = {REP_RESULT};
1638         SlapReply       rs_modify = {REP_RESULT};
1639         Filter f = {0};
1640 #ifdef LDAP_COMP_MATCH
1641         AttributeAssertion ava = { NULL, BER_BVNULL, NULL };
1642 #else
1643         AttributeAssertion ava = { NULL, BER_BVNULL };
1644 #endif
1645         int rc = LDAP_SUCCESS;
1646         int ret = LDAP_SUCCESS;
1647
1648         struct berval pdn = BER_BVNULL;
1649         dninfo dni = {0};
1650         int     retry = 1;
1651
1652         switch( syncstate ) {
1653         case LDAP_SYNC_PRESENT:
1654                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: rid %03d %s\n",
1655                                         si->si_rid,
1656                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_PRESENT)", 0 );
1657                 break;
1658         case LDAP_SYNC_ADD:
1659                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: rid %03d %s\n",
1660                                         si->si_rid,
1661                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD)", 0 );
1662                 break;
1663         case LDAP_SYNC_DELETE:
1664                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: rid %03d %s\n",
1665                                         si->si_rid,
1666                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_DELETE)", 0 );
1667                 break;
1668         case LDAP_SYNC_MODIFY:
1669                 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: rid %03d %s\n",
1670                                         si->si_rid,
1671                                         "LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_MODIFY)", 0 );
1672                 break;
1673         default:
1674                 Debug( LDAP_DEBUG_ANY, "syncrepl_entry: rid %03d %s\n",
1675                                         si->si_rid,
1676                                         "LDAP_RES_SEARCH_ENTRY(UNKNOWN syncstate)", 0 );
1677         }
1678
1679         if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD )) {
1680                 if ( !si->si_refreshPresent ) {
1681                         syncuuid_bv = ber_dupbv( NULL, syncUUID );
1682                         avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1683                                 syncuuid_cmp, avl_dup_error );
1684                 }
1685         }
1686
1687         if ( syncstate == LDAP_SYNC_PRESENT ) {
1688                 return 0;
1689         } else if ( syncstate != LDAP_SYNC_DELETE ) {
1690                 if ( entry == NULL ) {
1691                         return 0;
1692                 }
1693         }
1694
1695         f.f_choice = LDAP_FILTER_EQUALITY;
1696         f.f_ava = &ava;
1697         ava.aa_desc = slap_schema.si_ad_entryUUID;
1698         (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
1699         ava.aa_value = *syncUUID;
1700         op->ors_filter = &f;
1701
1702         op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID_strrep.bv_len;
1703         op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
1704                 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1705         AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) );
1706         AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )],
1707                 syncUUID_strrep.bv_val, syncUUID_strrep.bv_len );
1708         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
1709         op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
1710
1711         op->o_tag = LDAP_REQ_SEARCH;
1712         op->ors_scope = LDAP_SCOPE_SUBTREE;
1713         op->ors_deref = LDAP_DEREF_NEVER;
1714
1715         /* get the entry for this UUID */
1716         op->o_req_dn = si->si_base;
1717         op->o_req_ndn = si->si_base;
1718
1719         op->o_time = slap_get_time();
1720         op->ors_tlimit = SLAP_NO_LIMIT;
1721         op->ors_slimit = 1;
1722
1723         op->ors_attrs = slap_anlist_all_attributes;
1724         op->ors_attrsonly = 0;
1725
1726         /* set callback function */
1727         op->o_callback = &cb;
1728         cb.sc_response = dn_callback;
1729         cb.sc_private = &dni;
1730         dni.new_entry = entry;
1731
1732         if ( limits_check( op, &rs_search ) == 0 ) {
1733                 rc = be->be_search( op, &rs_search );
1734                 Debug( LDAP_DEBUG_SYNC,
1735                                 "syncrepl_entry: rid %03d be_search (%d)\n",
1736                                 si->si_rid, rc, 0 );
1737         }
1738
1739         if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
1740                 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1741         }
1742
1743         cb.sc_response = null_callback;
1744         cb.sc_private = si;
1745
1746         if ( entry && !BER_BVISNULL( &entry->e_name ) ) {
1747                 Debug( LDAP_DEBUG_SYNC,
1748                                 "syncrepl_entry: rid %03d %s\n",
1749                                 si->si_rid, entry->e_name.bv_val, 0 );
1750         } else {
1751                 Debug( LDAP_DEBUG_SYNC,
1752                                 "syncrepl_entry: rid %03d %s\n",
1753                                 si->si_rid, dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0 );
1754         }
1755
1756         if ( syncstate != LDAP_SYNC_DELETE ) {
1757                 Attribute       *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID );
1758
1759                 if ( a == NULL ) {
1760                         /* add if missing */
1761                         attr_merge_one( entry, slap_schema.si_ad_entryUUID,
1762                                 &syncUUID_strrep, syncUUID );
1763
1764                 } else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) {
1765                         /* replace only if necessary */
1766                         if ( a->a_nvals != a->a_vals ) {
1767                                 ber_memfree( a->a_nvals[0].bv_val );
1768                                 ber_dupbv( &a->a_nvals[0], syncUUID );
1769                         }
1770                         ber_memfree( a->a_vals[0].bv_val );
1771                         ber_dupbv( &a->a_vals[0], &syncUUID_strrep );
1772                 }
1773                 /* Don't save the contextCSN on the inooming context entry,
1774                  * we'll write it when syncrepl_updateCookie eventually
1775                  * gets called. (ITS#4622)
1776                  */
1777                 if ( syncstate == LDAP_SYNC_ADD && dn_match( &entry->e_nname,
1778                         &be->be_nsuffix[0] )) {
1779                         Attribute **ap;
1780                         for ( ap = &entry->e_attrs; *ap; ap=&(*ap)->a_next ) {
1781                                 a = *ap;
1782                                 if ( a->a_desc == slap_schema.si_ad_contextCSN ) {
1783                                         *ap = a->a_next;
1784                                         attr_free( a );
1785                                         break;
1786                                 }
1787                         }
1788                 }
1789         }
1790
1791         slap_op_time( &op->o_time, &op->o_tincr );
1792         switch ( syncstate ) {
1793         case LDAP_SYNC_ADD:
1794         case LDAP_SYNC_MODIFY:
1795                 {
1796                         Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN );
1797                         if ( a )
1798                                 op->o_csn = a->a_vals[0];
1799                 }
1800 retry_add:;
1801                 if ( BER_BVISNULL( &dni.dn )) {
1802
1803                         op->o_req_dn = entry->e_name;
1804                         op->o_req_ndn = entry->e_nname;
1805                         op->o_tag = LDAP_REQ_ADD;
1806                         op->ora_e = entry;
1807
1808                         rc = be->be_add( op, &rs_add );
1809                         Debug( LDAP_DEBUG_SYNC,
1810                                         "syncrepl_entry: rid %03d be_add (%d)\n",
1811                                         si->si_rid, rc, 0 );
1812                         switch ( rs_add.sr_err ) {
1813                         case LDAP_SUCCESS:
1814                                 be_entry_release_w( op, entry );
1815                                 ret = 0;
1816                                 break;
1817
1818                         case LDAP_REFERRAL:
1819                         /* we assume that LDAP_NO_SUCH_OBJECT is returned
1820                          * only if the suffix entry is not present */
1821                         case LDAP_NO_SUCH_OBJECT:
1822                                 syncrepl_add_glue( op, entry );
1823                                 ret = 0;
1824                                 break;
1825
1826                         /* if an entry was added via syncrepl_add_glue(),
1827                          * it likely has no entryUUID, so the previous
1828                          * be_search() doesn't find it.  In this case,
1829                          * give syncrepl a chance to modify it. Also
1830                          * allow for entries that were recreated with the
1831                          * same DN but a different entryUUID.
1832                          */
1833                         case LDAP_ALREADY_EXISTS:
1834                                 if ( retry ) {
1835                                         Operation       op2 = *op;
1836                                         SlapReply       rs2 = { 0 };
1837                                         slap_callback   cb2 = { 0 };
1838
1839                                         op2.o_tag = LDAP_REQ_SEARCH;
1840                                         op2.o_req_dn = entry->e_name;
1841                                         op2.o_req_ndn = entry->e_nname;
1842                                         op2.ors_scope = LDAP_SCOPE_BASE;
1843                                         op2.ors_deref = LDAP_DEREF_NEVER;
1844                                         op2.ors_attrs = slap_anlist_all_attributes;
1845                                         op2.ors_attrsonly = 0;
1846                                         op2.ors_limit = NULL;
1847                                         op2.ors_slimit = 1;
1848                                         op2.ors_tlimit = SLAP_NO_LIMIT;
1849
1850                                         f.f_choice = LDAP_FILTER_PRESENT;
1851                                         f.f_desc = slap_schema.si_ad_objectClass;
1852                                         op2.ors_filter = &f;
1853                                         op2.ors_filterstr = generic_filterstr;
1854
1855                                         op2.o_callback = &cb2;
1856                                         cb2.sc_response = dn_callback;
1857                                         cb2.sc_private = &dni;
1858
1859                                         be->be_search( &op2, &rs2 );
1860
1861                                         retry = 0;
1862                                         slap_op_time( &op->o_time, &op->o_tincr );
1863                                         goto retry_add;
1864                                 }
1865                                 /* FALLTHRU */
1866
1867                         default:
1868                                 Debug( LDAP_DEBUG_ANY,
1869                                         "syncrepl_entry: rid %03d be_add failed (%d)\n",
1870                                         si->si_rid, rs_add.sr_err, 0 );
1871                                 ret = 1;
1872                                 break;
1873                         }
1874                         goto done;
1875                 }
1876                 /* FALLTHRU */
1877                 op->o_req_dn = dni.dn;
1878                 op->o_req_ndn = dni.ndn;
1879                 if ( dni.renamed ) {
1880                         struct berval noldp, newp, nnewp;
1881
1882                         op->o_tag = LDAP_REQ_MODRDN;
1883                         dnRdn( &entry->e_name, &op->orr_newrdn );
1884                         dnRdn( &entry->e_nname, &op->orr_nnewrdn );
1885
1886                         dnParent( &dni.ndn, &noldp );
1887                         dnParent( &entry->e_nname, &nnewp );
1888                         if ( !dn_match( &noldp, &nnewp )) {
1889                                 dnParent( &entry->e_name, &newp );
1890                                 op->orr_newSup = &newp;
1891                                 op->orr_nnewSup = &nnewp;
1892                         } else {
1893                                 op->orr_newSup = NULL;
1894                                 op->orr_nnewSup = NULL;
1895                         }
1896                         op->orr_deleteoldrdn = 0;
1897                         rc = be->be_modrdn( op, &rs_modify );
1898                         Debug( LDAP_DEBUG_SYNC,
1899                                         "syncrepl_entry: rid %03d be_modrdn (%d)\n",
1900                                         si->si_rid, rc, 0 );
1901                         if ( rs_modify.sr_err == LDAP_SUCCESS ) {
1902                                 op->o_req_dn = entry->e_name;
1903                                 op->o_req_ndn = entry->e_nname;
1904                         } else {
1905                                 ret = 1;
1906                                 goto done;
1907                         }
1908                         if ( dni.wasChanged )
1909                                 slap_op_time( &op->o_time, &op->o_tincr );
1910                 }
1911                 if ( dni.wasChanged ) {
1912                         Modifications *mod, *modhead = NULL;
1913                         Modifications *modtail = NULL;
1914                         int i;
1915
1916                         op->o_tag = LDAP_REQ_MODIFY;
1917
1918                         assert( *modlist != NULL );
1919
1920                         /* Delete all the old attrs */
1921                         for ( i = 0; i < dni.attrs; i++ ) {
1922                                 mod = ch_malloc( sizeof( Modifications ) );
1923                                 mod->sml_op = LDAP_MOD_DELETE;
1924                                 mod->sml_flags = 0;
1925                                 mod->sml_desc = dni.ads[i];
1926                                 mod->sml_type = mod->sml_desc->ad_cname;
1927                                 mod->sml_values = NULL;
1928                                 mod->sml_nvalues = NULL;
1929                                 if ( !modhead ) modhead = mod;
1930                                 if ( modtail ) {
1931                                         modtail->sml_next = mod;
1932                                 }
1933                                 modtail = mod;
1934                         }
1935
1936                         /* Append passed in list to ours */
1937                         if ( modtail ) {
1938                                 modtail->sml_next = *modlist;
1939                                 *modlist = modhead;
1940                         } else {
1941                                 mod = *modlist;
1942                         }
1943
1944                         /* Find end of this list */
1945                         for ( ; mod != NULL; mod = mod->sml_next ) {
1946                                 modtail = mod;
1947                         }
1948
1949                         mod = (Modifications *)ch_calloc(1, sizeof(Modifications));
1950                         mod->sml_op = LDAP_MOD_REPLACE;
1951                         mod->sml_flags = 0;
1952                         mod->sml_desc = slap_schema.si_ad_entryUUID;
1953                         mod->sml_type = mod->sml_desc->ad_cname;
1954                         ber_dupbv( &uuid_bv, &syncUUID_strrep );
1955                         ber_bvarray_add( &mod->sml_values, &uuid_bv );
1956                         ber_dupbv( &uuid_bv, syncUUID );
1957                         ber_bvarray_add( &mod->sml_nvalues, &uuid_bv );
1958                         modtail->sml_next = mod;
1959
1960                         op->o_tag = LDAP_REQ_MODIFY;
1961                         op->orm_modlist = *modlist;
1962
1963                         rc = be->be_modify( op, &rs_modify );
1964                         Debug( LDAP_DEBUG_SYNC,
1965                                         "syncrepl_entry: rid %03d be_modify (%d)\n",
1966                                         si->si_rid, rc, 0 );
1967                         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
1968                                 Debug( LDAP_DEBUG_ANY,
1969                                         "syncrepl_entry: rid %03d be_modify failed (%d)\n",
1970                                         si->si_rid, rs_modify.sr_err, 0 );
1971                         }
1972                 }
1973                 ret = 1;
1974                 goto done;
1975         case LDAP_SYNC_DELETE :
1976                 if ( !BER_BVISNULL( &dni.dn )) {
1977                         op->o_req_dn = dni.dn;
1978                         op->o_req_ndn = dni.ndn;
1979                         op->o_tag = LDAP_REQ_DELETE;
1980                         rc = be->be_delete( op, &rs_delete );
1981                         Debug( LDAP_DEBUG_SYNC,
1982                                         "syncrepl_entry: rid %03d be_delete (%d)\n",
1983                                         si->si_rid, rc, 0 );
1984
1985                         while ( rs_delete.sr_err == LDAP_SUCCESS
1986                                 && op->o_delete_glue_parent ) {
1987                                 op->o_delete_glue_parent = 0;
1988                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
1989                                         slap_callback cb = { NULL };
1990                                         cb.sc_response = slap_null_cb;
1991                                         dnParent( &op->o_req_ndn, &pdn );
1992                                         op->o_req_dn = pdn;
1993                                         op->o_req_ndn = pdn;
1994                                         op->o_callback = &cb;
1995                                         op->o_bd->be_delete( op, &rs_delete );
1996                                 } else {
1997                                         break;
1998                                 }
1999                         }
2000                 }
2001                 ret = 0;
2002                 goto done;
2003
2004         default :
2005                 Debug( LDAP_DEBUG_ANY,
2006                         "syncrepl_entry: rid %03d unknown syncstate\n", si->si_rid, 0, 0 );
2007                 ret = 1;
2008                 goto done;
2009         }
2010
2011 done :
2012         if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
2013                 slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
2014                 BER_BVZERO( &syncUUID_strrep );
2015         }
2016         if ( dni.ads ) {
2017                 op->o_tmpfree( dni.ads, op->o_tmpmemctx );
2018         }
2019         if ( !BER_BVISNULL( &dni.ndn ) ) {
2020                 op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
2021         }
2022         if ( !BER_BVISNULL( &dni.dn ) ) {
2023                 op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
2024         }
2025         BER_BVZERO( &op->o_csn );
2026         return ret;
2027 }
2028
2029 static struct berval gcbva[] = {
2030         BER_BVC("top"),
2031         BER_BVC("glue"),
2032         BER_BVNULL
2033 };
2034
2035 #define NP_DELETE_ONE   2
2036
2037 static void
2038 syncrepl_del_nonpresent(
2039         Operation *op,
2040         syncinfo_t *si,
2041         BerVarray uuids,
2042         struct berval *cookiecsn )
2043 {
2044         Backend* be = op->o_bd;
2045         slap_callback   cb = { NULL };
2046         SlapReply       rs_search = {REP_RESULT};
2047         SlapReply       rs_delete = {REP_RESULT};
2048         SlapReply       rs_modify = {REP_RESULT};
2049         struct nonpresent_entry *np_list, *np_prev;
2050         int rc;
2051         AttributeName   an[2];
2052
2053         struct berval pdn = BER_BVNULL;
2054         struct berval csn;
2055
2056         op->o_req_dn = si->si_base;
2057         op->o_req_ndn = si->si_base;
2058
2059         cb.sc_response = nonpresent_callback;
2060         cb.sc_private = si;
2061
2062         op->o_callback = &cb;
2063         op->o_tag = LDAP_REQ_SEARCH;
2064         op->ors_scope = si->si_scope;
2065         op->ors_deref = LDAP_DEREF_NEVER;
2066         op->o_time = slap_get_time();
2067         op->ors_tlimit = SLAP_NO_LIMIT;
2068
2069
2070         if ( uuids ) {
2071                 Filter uf;
2072 #ifdef LDAP_COMP_MATCH
2073                 AttributeAssertion eq = { NULL, BER_BVNULL, NULL };
2074 #else
2075                 AttributeAssertion eq = { NULL, BER_BVNULL };
2076 #endif
2077                 int i;
2078
2079                 op->ors_attrsonly = 1;
2080                 op->ors_attrs = slap_anlist_no_attrs;
2081                 op->ors_limit = NULL;
2082                 op->ors_filter = &uf;
2083
2084                 uf.f_ava = &eq;
2085                 uf.f_av_desc = slap_schema.si_ad_entryUUID;
2086                 uf.f_next = NULL;
2087                 uf.f_choice = LDAP_FILTER_EQUALITY;
2088                 si->si_refreshDelete |= NP_DELETE_ONE;
2089
2090                 for (i=0; uuids[i].bv_val; i++) {
2091                         op->ors_slimit = 1;
2092                         slap_uuidstr_from_normalized( &uf.f_av_value, &uuids[i],
2093                                 op->o_tmpmemctx );
2094                         filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2095                         op->o_tmpfree( uf.f_av_value.bv_val, op->o_tmpmemctx );
2096                         uf.f_av_value = uuids[i];
2097                         rc = be->be_search( op, &rs_search );
2098                         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2099                 }
2100                 si->si_refreshDelete ^= NP_DELETE_ONE;
2101         } else {
2102                 memset( &an[0], 0, 2 * sizeof( AttributeName ) );
2103                 an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
2104                 an[0].an_desc = slap_schema.si_ad_entryUUID;
2105                 op->ors_attrs = an;
2106                 op->ors_slimit = SLAP_NO_LIMIT;
2107                 op->ors_attrsonly = 0;
2108                 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
2109                 op->ors_filterstr = si->si_filterstr;
2110                 op->o_nocaching = 1;
2111
2112                 if ( limits_check( op, &rs_search ) == 0 ) {
2113                         rc = be->be_search( op, &rs_search );
2114                 }
2115                 if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
2116         }
2117
2118         op->o_nocaching = 0;
2119
2120         if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
2121
2122                 if ( cookiecsn && !BER_BVISNULL( cookiecsn ))
2123                         csn = *cookiecsn;
2124                 else
2125                         csn = si->si_syncCookie.ctxcsn;
2126
2127                 slap_queue_csn( op, &csn );
2128
2129                 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
2130                 while ( np_list != NULL ) {
2131                         LDAP_LIST_REMOVE( np_list, npe_link );
2132                         np_prev = np_list;
2133                         np_list = LDAP_LIST_NEXT( np_list, npe_link );
2134                         op->o_tag = LDAP_REQ_DELETE;
2135                         op->o_callback = &cb;
2136                         cb.sc_response = null_callback;
2137                         cb.sc_private = si;
2138                         op->o_req_dn = *np_prev->npe_name;
2139                         op->o_req_ndn = *np_prev->npe_nname;
2140                         rc = op->o_bd->be_delete( op, &rs_delete );
2141                         Debug( LDAP_DEBUG_SYNC,
2142                                 "syncrepl_del_nonpresent: rid %03d be_delete %s (%d)\n",
2143                                 si->si_rid, op->o_req_dn.bv_val, rc );
2144
2145                         if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
2146                                 Modifications mod1, mod2;
2147                                 mod1.sml_op = LDAP_MOD_REPLACE;
2148                                 mod1.sml_flags = 0;
2149                                 mod1.sml_desc = slap_schema.si_ad_objectClass;
2150                                 mod1.sml_type = mod1.sml_desc->ad_cname;
2151                                 mod1.sml_values = &gcbva[0];
2152                                 mod1.sml_nvalues = NULL;
2153                                 mod1.sml_next = &mod2;
2154
2155                                 mod2.sml_op = LDAP_MOD_REPLACE;
2156                                 mod2.sml_flags = 0;
2157                                 mod2.sml_desc = slap_schema.si_ad_structuralObjectClass;
2158                                 mod2.sml_type = mod2.sml_desc->ad_cname;
2159                                 mod2.sml_values = &gcbva[1];
2160                                 mod2.sml_nvalues = NULL;
2161                                 mod2.sml_next = NULL;
2162
2163                                 op->o_tag = LDAP_REQ_MODIFY;
2164                                 op->orm_modlist = &mod1;
2165
2166                                 rc = be->be_modify( op, &rs_modify );
2167                                 if ( mod2.sml_next ) slap_mods_free( mod2.sml_next, 1 );
2168                         }
2169
2170                         while ( rs_delete.sr_err == LDAP_SUCCESS &&
2171                                         op->o_delete_glue_parent ) {
2172                                 op->o_delete_glue_parent = 0;
2173                                 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
2174                                         slap_callback cb = { NULL };
2175                                         cb.sc_response = slap_null_cb;
2176                                         dnParent( &op->o_req_ndn, &pdn );
2177                                         op->o_req_dn = pdn;
2178                                         op->o_req_ndn = pdn;
2179                                         op->o_callback = &cb;
2180                                         /* give it a root privil ? */
2181                                         op->o_bd->be_delete( op, &rs_delete );
2182                                 } else {
2183                                         break;
2184                             }
2185                         }
2186
2187                         op->o_delete_glue_parent = 0;
2188
2189                         ber_bvfree( np_prev->npe_name );
2190                         ber_bvfree( np_prev->npe_nname );
2191                         ch_free( np_prev );
2192                 }
2193
2194                 slap_graduate_commit_csn( op );
2195                 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2196                 BER_BVZERO( &op->o_csn );
2197         }
2198
2199         return;
2200 }
2201
2202 void
2203 syncrepl_add_glue(
2204         Operation* op,
2205         Entry *e )
2206 {
2207         Backend *be = op->o_bd;
2208         slap_callback cb = { NULL };
2209         Attribute       *a;
2210         int     rc;
2211         int suffrdns;
2212         int i;
2213         struct berval dn = BER_BVNULL;
2214         struct berval ndn = BER_BVNULL;
2215         Entry   *glue;
2216         SlapReply       rs_add = {REP_RESULT};
2217         struct berval   ptr, nptr;
2218         char            *comma;
2219
2220         op->o_tag = LDAP_REQ_ADD;
2221         op->o_callback = &cb;
2222         cb.sc_response = null_callback;
2223         cb.sc_private = NULL;
2224
2225         dn = e->e_name;
2226         ndn = e->e_nname;
2227
2228         /* count RDNs in suffix */
2229         if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
2230                 for ( i = 0, ptr = be->be_nsuffix[0], comma = ptr.bv_val; comma != NULL; comma = ber_bvchr( &ptr, ',' ) ) {
2231                         comma++;
2232                         ptr.bv_len -= comma - ptr.bv_val;
2233                         ptr.bv_val = comma;
2234                         i++;
2235                 }
2236                 suffrdns = i;
2237         } else {
2238                 /* suffix is "" */
2239                 suffrdns = 0;
2240         }
2241
2242         /* Start with BE suffix */
2243         ptr = dn;
2244         for ( i = 0; i < suffrdns; i++ ) {
2245                 comma = ber_bvrchr( &ptr, ',' );
2246                 if ( comma != NULL ) {
2247                         ptr.bv_len = comma - ptr.bv_val;
2248                 } else {
2249                         ptr.bv_len = 0;
2250                         break;
2251                 }
2252         }
2253
2254         if ( !BER_BVISEMPTY( &ptr ) ) {
2255                 dn.bv_len -= ptr.bv_len + 1;
2256                 dn.bv_val += ptr.bv_len + 1;
2257         }
2258
2259         /* the normalizedDNs are always the same length, no counting
2260          * required.
2261          */
2262         nptr = ndn;
2263         if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
2264                 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
2265                 ndn.bv_len = be->be_nsuffix[0].bv_len;
2266
2267                 nptr.bv_len = ndn.bv_val - nptr.bv_val - 1;
2268
2269         } else {
2270                 nptr.bv_len = 0;
2271         }
2272
2273         while ( ndn.bv_val > e->e_nname.bv_val ) {
2274                 glue = (Entry *) ch_calloc( 1, sizeof(Entry) );
2275                 ber_dupbv( &glue->e_name, &dn );
2276                 ber_dupbv( &glue->e_nname, &ndn );
2277
2278                 a = ch_calloc( 1, sizeof( Attribute ));
2279                 a->a_desc = slap_schema.si_ad_objectClass;
2280
2281                 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
2282                 ber_dupbv( &a->a_vals[0], &gcbva[0] );
2283                 ber_dupbv( &a->a_vals[1], &gcbva[1] );
2284                 ber_dupbv( &a->a_vals[2], &gcbva[2] );
2285
2286                 a->a_nvals = a->a_vals;
2287
2288                 a->a_next = glue->e_attrs;
2289                 glue->e_attrs = a;
2290
2291                 a = ch_calloc( 1, sizeof( Attribute ));
2292                 a->a_desc = slap_schema.si_ad_structuralObjectClass;
2293
2294                 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
2295                 ber_dupbv( &a->a_vals[0], &gcbva[1] );
2296                 ber_dupbv( &a->a_vals[1], &gcbva[2] );
2297
2298                 a->a_nvals = a->a_vals;
2299
2300                 a->a_next = glue->e_attrs;
2301                 glue->e_attrs = a;
2302
2303                 op->o_req_dn = glue->e_name;
2304                 op->o_req_ndn = glue->e_nname;
2305                 op->ora_e = glue;
2306                 rc = be->be_add ( op, &rs_add );
2307                 if ( rs_add.sr_err == LDAP_SUCCESS ) {
2308                         be_entry_release_w( op, glue );
2309                 } else {
2310                 /* incl. ALREADY EXIST */
2311                         entry_free( glue );
2312                 }
2313
2314                 /* Move to next child */
2315                 comma = ber_bvrchr( &ptr, ',' );
2316                 if ( comma == NULL ) {
2317                         break;
2318                 }
2319                 ptr.bv_len = comma - ptr.bv_val;
2320
2321                 dn.bv_val = ++comma;
2322                 dn.bv_len = e->e_name.bv_len - (dn.bv_val - e->e_name.bv_val);
2323
2324                 comma = ber_bvrchr( &nptr, ',' );
2325                 assert( comma != NULL );
2326                 nptr.bv_len = comma - nptr.bv_val;
2327
2328                 ndn.bv_val = ++comma;
2329                 ndn.bv_len = e->e_nname.bv_len - (ndn.bv_val - e->e_nname.bv_val);
2330         }
2331
2332         op->o_req_dn = e->e_name;
2333         op->o_req_ndn = e->e_nname;
2334         op->ora_e = e;
2335         rc = be->be_add ( op, &rs_add );
2336         if ( rs_add.sr_err == LDAP_SUCCESS ) {
2337                 be_entry_release_w( op, e );
2338         } else {
2339                 entry_free( e );
2340         }
2341
2342         return;
2343 }
2344
2345 static void
2346 syncrepl_updateCookie(
2347         syncinfo_t *si,
2348         Operation *op,
2349         struct berval *pdn,
2350         struct sync_cookie *syncCookie )
2351 {
2352         Backend *be = op->o_bd;
2353         Modifications mod = { { 0 } };
2354         struct berval vals[ 2 ];
2355
2356         int rc;
2357
2358         slap_callback cb = { NULL };
2359         SlapReply       rs_modify = {REP_RESULT};
2360
2361         slap_sync_cookie_free( &si->si_syncCookie, 0 );
2362         slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
2363
2364         mod.sml_op = LDAP_MOD_REPLACE;
2365         mod.sml_desc = slap_schema.si_ad_contextCSN;
2366         mod.sml_type = mod.sml_desc->ad_cname;
2367         mod.sml_values = vals;
2368         vals[0] = si->si_syncCookie.ctxcsn;
2369         vals[1].bv_val = NULL;
2370         vals[1].bv_len = 0;
2371
2372         slap_queue_csn( op, &si->si_syncCookie.ctxcsn );
2373
2374         op->o_tag = LDAP_REQ_MODIFY;
2375
2376         assert( si->si_rid < 1000 );
2377
2378         cb.sc_response = null_callback;
2379         cb.sc_private = si;
2380
2381         op->o_callback = &cb;
2382         op->o_req_dn = op->o_bd->be_suffix[0];
2383         op->o_req_ndn = op->o_bd->be_nsuffix[0];
2384
2385         /* update contextCSN */
2386         op->o_msgid = SLAP_SYNC_UPDATE_MSGID;
2387         op->orm_modlist = &mod;
2388         rc = be->be_modify( op, &rs_modify );
2389         op->o_msgid = 0;
2390
2391         if ( rs_modify.sr_err != LDAP_SUCCESS ) {
2392                 Debug( LDAP_DEBUG_ANY,
2393                         "syncrepl_updateCookie: rid %03d be_modify failed (%d)\n",
2394                         si->si_rid, rs_modify.sr_err, 0 );
2395         }
2396
2397         slap_graduate_commit_csn( op );
2398         op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2399         BER_BVZERO( &op->o_csn );
2400         if ( mod.sml_next ) slap_mods_free( mod.sml_next, 1 );
2401
2402         return;
2403 }
2404
2405 static int
2406 dn_callback(
2407         Operation*      op,
2408         SlapReply*      rs )
2409 {
2410         dninfo *dni = op->o_callback->sc_private;
2411
2412         if ( rs->sr_type == REP_SEARCH ) {
2413                 if ( !BER_BVISNULL( &dni->dn ) ) {
2414                         Debug( LDAP_DEBUG_ANY,
2415                                 "dn_callback: consistency error - "
2416                                 "entryUUID is not unique\n", 0, 0, 0 );
2417                 } else {
2418                         ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
2419                         ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
2420                         /* If there is a new entry, see if it differs from the old.
2421                          * We compare the non-normalized values so that cosmetic changes
2422                          * in the provider are always propagated.
2423                          */
2424                         if ( dni->new_entry ) {
2425                                 Attribute *old, *new;
2426                                 int i;
2427
2428                                 /* Did the DN change? Note that we don't explicitly try to
2429                                  * discover if the deleteOldRdn argument applies here. It
2430                                  * would save an unnecessary Modify if we detected it, but
2431                                  * that's a fair amount of trouble to compare the two attr
2432                                  * lists in detail. (Just test normalized DN; we ignore
2433                                  * insignificant changes here.)
2434                                  */
2435                                 if ( !dn_match( &rs->sr_entry->e_nname,
2436                                                 &dni->new_entry->e_nname ) )
2437                                 {
2438                                         dni->renamed = 1;
2439                                 }
2440
2441                                 for ( i = 0, old = rs->sr_entry->e_attrs;
2442                                                 old;
2443                                                 i++, old = old->a_next )
2444                                         ;
2445
2446                                 dni->attrs = i;
2447
2448                                 /* We assume that attributes are saved in the same order
2449                                  * in the remote and local databases. So if we walk through
2450                                  * the attributeDescriptions one by one they should match in
2451                                  * lock step. If not, we signal a change. Otherwise we test
2452                                  * all the values...
2453                                  */
2454                                 for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
2455                                                 old && new;
2456                                                 old = old->a_next, new = new->a_next )
2457                                 {
2458                                         if ( old->a_desc != new->a_desc ) {
2459                                                 dni->wasChanged = 1;
2460                                                 break;
2461                                         }
2462                                         for ( i = 0; ; i++ ) {
2463                                                 int nold, nnew;
2464                                                 nold = BER_BVISNULL( &old->a_vals[i] );
2465                                                 nnew = BER_BVISNULL( &new->a_vals[i] );
2466                                                 /* If both are empty, stop looking */
2467                                                 if ( nold && nnew ) {
2468                                                         break;
2469                                                 }
2470                                                 /* If they are different, stop looking */
2471                                                 if ( nold != nnew ) {
2472                                                         dni->wasChanged = 1;
2473                                                         break;
2474                                                 }
2475                                                 if ( ber_bvcmp( &old->a_vals[i], &new->a_vals[i] )) {
2476                                                         dni->wasChanged = 1;
2477                                                         break;
2478                                                 }
2479                                         }
2480                                         if ( dni->wasChanged ) break;
2481                                 }
2482                                 if ( dni->wasChanged ) {
2483                                         dni->ads = op->o_tmpalloc( dni->attrs *
2484                                                 sizeof(AttributeDescription *), op->o_tmpmemctx );
2485                                         i = 0;
2486                                         for ( old = rs->sr_entry->e_attrs; old; old = old->a_next ) {
2487                                                 dni->ads[i] = old->a_desc;
2488                                                 i++;
2489                                         }
2490                                 }
2491                         }
2492                 }
2493         } else if ( rs->sr_type == REP_RESULT ) {
2494                 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
2495                         Debug( LDAP_DEBUG_ANY,
2496                                 "dn_callback: consistency error - "
2497                                 "entryUUID is not unique\n", 0, 0, 0 );
2498                 }
2499         }
2500
2501         return LDAP_SUCCESS;
2502 }
2503
2504 static int
2505 nonpresent_callback(
2506         Operation*      op,
2507         SlapReply*      rs )
2508 {
2509         syncinfo_t *si = op->o_callback->sc_private;
2510         Attribute *a;
2511         int count = 0;
2512         struct berval* present_uuid = NULL;
2513         struct nonpresent_entry *np_entry;
2514
2515         if ( rs->sr_type == REP_RESULT ) {
2516                 count = avl_free( si->si_presentlist, avl_ber_bvfree );
2517                 si->si_presentlist = NULL;
2518
2519         } else if ( rs->sr_type == REP_SEARCH ) {
2520                 if ( !(si->si_refreshDelete & NP_DELETE_ONE )) {
2521                         a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
2522
2523                         if ( a == NULL ) return 0;
2524
2525                         present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
2526                                 syncuuid_cmp );
2527                 }
2528
2529                 if ( present_uuid == NULL ) {
2530                         np_entry = (struct nonpresent_entry *)
2531                                 ch_calloc( 1, sizeof( struct nonpresent_entry ));
2532                         np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
2533                         np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
2534                         LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
2535
2536                 } else {
2537                         avl_delete( &si->si_presentlist,
2538                                         &a->a_nvals[0], syncuuid_cmp );
2539                         ch_free( present_uuid->bv_val );
2540                         ch_free( present_uuid );
2541                 }
2542         }
2543         return LDAP_SUCCESS;
2544 }
2545
2546 static int
2547 null_callback(
2548         Operation*      op,
2549         SlapReply*      rs )
2550 {
2551         if ( rs->sr_err != LDAP_SUCCESS &&
2552                 rs->sr_err != LDAP_REFERRAL &&
2553                 rs->sr_err != LDAP_ALREADY_EXISTS &&
2554                 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
2555                 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
2556         {
2557                 Debug( LDAP_DEBUG_ANY,
2558                         "null_callback: error code 0x%x\n",
2559                         rs->sr_err, 0, 0 );
2560         }
2561         return LDAP_SUCCESS;
2562 }
2563
2564 static struct berval *
2565 slap_uuidstr_from_normalized(
2566         struct berval* uuidstr,
2567         struct berval* normalized,
2568         void *ctx )
2569 {
2570         struct berval *new;
2571         unsigned char nibble;
2572         int i, d = 0;
2573
2574         if ( normalized == NULL ) return NULL;
2575         if ( normalized->bv_len != 16 ) return NULL;
2576
2577         if ( uuidstr ) {
2578                 new = uuidstr;
2579         } else {
2580                 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
2581                 if ( new == NULL ) {
2582                         return NULL;
2583                 }
2584         }
2585
2586         new->bv_len = 36;
2587
2588         if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
2589                 if ( new != uuidstr ) {
2590                         slap_sl_free( new, ctx );
2591                 }
2592                 return NULL;
2593         }
2594
2595         for ( i = 0; i < 16; i++ ) {
2596                 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
2597                         new->bv_val[(i<<1)+d] = '-';
2598                         d += 1;
2599                 }
2600
2601                 nibble = (normalized->bv_val[i] >> 4) & 0xF;
2602                 if ( nibble < 10 ) {
2603                         new->bv_val[(i<<1)+d] = nibble + '0';
2604                 } else {
2605                         new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
2606                 }
2607
2608                 nibble = (normalized->bv_val[i]) & 0xF;
2609                 if ( nibble < 10 ) {
2610                         new->bv_val[(i<<1)+d+1] = nibble + '0';
2611                 } else {
2612                         new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
2613                 }
2614         }
2615
2616         new->bv_val[new->bv_len] = '\0';
2617         return new;
2618 }
2619
2620 static int
2621 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
2622 {
2623         const struct berval *uuid1 = v_uuid1;
2624         const struct berval *uuid2 = v_uuid2;
2625         int rc = uuid1->bv_len - uuid2->bv_len;
2626         if ( rc ) return rc;
2627         return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
2628 }
2629
2630 static void
2631 avl_ber_bvfree( void *v_bv )
2632 {
2633         struct berval   *bv = (struct berval *)v_bv;
2634
2635         if( v_bv == NULL ) return;
2636         if ( !BER_BVISNULL( bv ) ) {
2637                 ch_free( bv->bv_val );
2638         }
2639         ch_free( (char *) bv );
2640 }
2641
2642 void
2643 syncinfo_free( syncinfo_t *sie )
2644 {
2645         if ( sie->si_ld ) {
2646                 if ( sie->si_conn_setup ) {
2647                         ber_socket_t s;
2648                         ldap_get_option( sie->si_ld, LDAP_OPT_DESC, &s );
2649                         connection_client_stop( s );
2650                         sie->si_conn_setup = 0;
2651                 }
2652                 ldap_unbind_ext( sie->si_ld, NULL, NULL );
2653         }
2654
2655         ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
2656
2657         bindconf_free( &sie->si_bindconf );
2658
2659         if ( sie->si_filterstr.bv_val ) {
2660                 ch_free( sie->si_filterstr.bv_val );
2661         }
2662         if ( sie->si_base.bv_val ) {
2663                 ch_free( sie->si_base.bv_val );
2664         }
2665         if ( sie->si_attrs ) {
2666                 int i = 0;
2667                 while ( sie->si_attrs[i] != NULL ) {
2668                         ch_free( sie->si_attrs[i] );
2669                         i++;
2670                 }
2671                 ch_free( sie->si_attrs );
2672         }
2673         if ( sie->si_exattrs ) {
2674                 int i = 0;
2675                 while ( sie->si_exattrs[i] != NULL ) {
2676                         ch_free( sie->si_exattrs[i] );
2677                         i++;
2678                 }
2679                 ch_free( sie->si_exattrs );
2680         }
2681         if ( sie->si_anlist ) {
2682                 int i = 0;
2683                 while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
2684                         ch_free( sie->si_anlist[i].an_name.bv_val );
2685                         i++;
2686                 }
2687                 ch_free( sie->si_anlist );
2688         }
2689         if ( sie->si_exanlist ) {
2690                 int i = 0;
2691                 while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
2692                         ch_free( sie->si_exanlist[i].an_name.bv_val );
2693                         i++;
2694                 }
2695                 ch_free( sie->si_exanlist );
2696         }
2697         if ( sie->si_retryinterval ) {
2698                 ch_free( sie->si_retryinterval );
2699         }
2700         if ( sie->si_retrynum ) {
2701                 ch_free( sie->si_retrynum );
2702         }
2703         if ( sie->si_retrynum_init ) {
2704                 ch_free( sie->si_retrynum_init );
2705         }
2706         slap_sync_cookie_free( &sie->si_syncCookie, 0 );
2707         if ( sie->si_presentlist ) {
2708             avl_free( sie->si_presentlist, avl_ber_bvfree );
2709         }
2710         while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist )) {
2711                 struct nonpresent_entry* npe;
2712                 npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
2713                 LDAP_LIST_REMOVE( npe, npe_link );
2714                 if ( npe->npe_name ) {
2715                         if ( npe->npe_name->bv_val ) {
2716                                 ch_free( npe->npe_name->bv_val );
2717                         }
2718                         ch_free( npe->npe_name );
2719                 }
2720                 if ( npe->npe_nname ) {
2721                         if ( npe->npe_nname->bv_val ) {
2722                                 ch_free( npe->npe_nname->bv_val );
2723                         }
2724                         ch_free( npe->npe_nname );
2725                 }
2726                 ch_free( npe );
2727         }
2728         ch_free( sie );
2729 }
2730
2731
2732
2733 /* NOTE: used & documented in slapd.conf(5) */
2734 #define IDSTR                   "rid"
2735 #define PROVIDERSTR             "provider"
2736 #define SCHEMASTR               "schemachecking"
2737 #define FILTERSTR               "filter"
2738 #define SEARCHBASESTR           "searchbase"
2739 #define SCOPESTR                "scope"
2740 #define ATTRSONLYSTR            "attrsonly"
2741 #define ATTRSSTR                "attrs"
2742 #define TYPESTR                 "type"
2743 #define INTERVALSTR             "interval"
2744 #define RETRYSTR                "retry"
2745 #define SLIMITSTR               "sizelimit"
2746 #define TLIMITSTR               "timelimit"
2747 #define SYNCDATASTR             "syncdata"
2748
2749 /* FIXME: undocumented */
2750 #define LOGBASESTR      "logbase"
2751 #define LOGFILTERSTR    "logfilter"
2752 #define OLDAUTHCSTR             "bindprincipal"
2753 #define EXATTRSSTR              "exattrs"
2754 #define MANAGEDSAITSTR          "manageDSAit"
2755
2756 /* FIXME: unused */
2757 #define LASTMODSTR              "lastmod"
2758 #define LMGENSTR                "gen"
2759 #define LMNOSTR                 "no"
2760 #define LMREQSTR                "req"
2761 #define SRVTABSTR               "srvtab"
2762 #define SUFFIXSTR               "suffix"
2763
2764 /* mandatory */
2765 #define GOT_ID                  0x0001
2766 #define GOT_PROVIDER            0x0002
2767 #define GOT_BASE                0x0004
2768
2769 /* check */
2770 #define GOT_ALL                 (GOT_ID|GOT_PROVIDER|GOT_BASE)
2771
2772 static struct {
2773         struct berval key;
2774         int val;
2775 } scopes[] = {
2776         { BER_BVC("base"), LDAP_SCOPE_BASE },
2777         { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
2778         { BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL },   /* OpenLDAP extension */
2779         { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
2780         { BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
2781         { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
2782         { BER_BVC("subtree"), LDAP_SCOPE_SUBTREE },     /* OpenLDAP extension */
2783         { BER_BVNULL, 0 }
2784 };
2785
2786 static slap_verbmasks datamodes[] = {
2787         { BER_BVC("default"), SYNCDATA_DEFAULT },
2788         { BER_BVC("accesslog"), SYNCDATA_ACCESSLOG },
2789         { BER_BVC("changelog"), SYNCDATA_CHANGELOG },
2790         { BER_BVNULL, 0 }
2791 };
2792
2793 static int
2794 parse_syncrepl_line(
2795         ConfigArgs      *c,
2796         syncinfo_t      *si )
2797 {
2798         int     gots = 0;
2799         int     i;
2800         char    *val;
2801
2802         for ( i = 1; i < c->argc; i++ ) {
2803                 if ( !strncasecmp( c->argv[ i ], IDSTR "=",
2804                                         STRLENOF( IDSTR "=" ) ) )
2805                 {
2806                         int tmp;
2807                         /* '\0' string terminator accounts for '=' */
2808                         val = c->argv[ i ] + STRLENOF( IDSTR "=" );
2809                         if ( lutil_atoi( &tmp, val ) != 0 ) {
2810                                 snprintf( c->msg, sizeof( c->msg ),
2811                                         "Error: parse_syncrepl_line: "
2812                                         "unable to parse syncrepl id \"%s\"", val );
2813                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
2814                                 return -1;
2815                         }
2816                         if ( tmp >= 1000 || tmp < 0 ) {
2817                                 snprintf( c->msg, sizeof( c->msg ),
2818                                         "Error: parse_syncrepl_line: "
2819                                         "syncrepl id %d is out of range [0..999]", tmp );
2820                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
2821                                 return -1;
2822                         }
2823                         si->si_rid = tmp;
2824                         gots |= GOT_ID;
2825                 } else if ( !strncasecmp( c->argv[ i ], PROVIDERSTR "=",
2826                                         STRLENOF( PROVIDERSTR "=" ) ) )
2827                 {
2828                         val = c->argv[ i ] + STRLENOF( PROVIDERSTR "=" );
2829                         ber_str2bv( val, 0, 1, &si->si_bindconf.sb_uri );
2830                         gots |= GOT_PROVIDER;
2831                 } else if ( !strncasecmp( c->argv[ i ], SCHEMASTR "=",
2832                                         STRLENOF( SCHEMASTR "=" ) ) )
2833                 {
2834                         val = c->argv[ i ] + STRLENOF( SCHEMASTR "=" );
2835                         if ( !strncasecmp( val, "on", STRLENOF( "on" ) )) {
2836                                 si->si_schemachecking = 1;
2837                         } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
2838                                 si->si_schemachecking = 0;
2839                         } else {
2840                                 si->si_schemachecking = 1;
2841                         }
2842                 } else if ( !strncasecmp( c->argv[ i ], FILTERSTR "=",
2843                                         STRLENOF( FILTERSTR "=" ) ) )
2844                 {
2845                         val = c->argv[ i ] + STRLENOF( FILTERSTR "=" );
2846                         if ( si->si_filterstr.bv_val )
2847                                 ch_free( si->si_filterstr.bv_val );
2848                         ber_str2bv( val, 0, 1, &si->si_filterstr );
2849                 } else if ( !strncasecmp( c->argv[ i ], LOGFILTERSTR "=",
2850                                         STRLENOF( LOGFILTERSTR "=" ) ) )
2851                 {
2852                         val = c->argv[ i ] + STRLENOF( LOGFILTERSTR "=" );
2853                         if ( si->si_logfilterstr.bv_val )
2854                                 ch_free( si->si_logfilterstr.bv_val );
2855                         ber_str2bv( val, 0, 1, &si->si_logfilterstr );
2856                 } else if ( !strncasecmp( c->argv[ i ], SEARCHBASESTR "=",
2857                                         STRLENOF( SEARCHBASESTR "=" ) ) )
2858                 {
2859                         struct berval   bv;
2860                         int             rc;
2861
2862                         val = c->argv[ i ] + STRLENOF( SEARCHBASESTR "=" );
2863                         if ( si->si_base.bv_val ) {
2864                                 ch_free( si->si_base.bv_val );
2865                         }
2866                         ber_str2bv( val, 0, 0, &bv );
2867                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
2868                         if ( rc != LDAP_SUCCESS ) {
2869                                 snprintf( c->msg, sizeof( c->msg ),
2870                                         "Invalid base DN \"%s\": %d (%s)",
2871                                         val, rc, ldap_err2string( rc ) );
2872                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
2873                                 return -1;
2874                         }
2875                         gots |= GOT_BASE;
2876                 } else if ( !strncasecmp( c->argv[ i ], LOGBASESTR "=",
2877                                         STRLENOF( LOGBASESTR "=" ) ) )
2878                 {
2879                         struct berval   bv;
2880                         int             rc;
2881
2882                         val = c->argv[ i ] + STRLENOF( LOGBASESTR "=" );
2883                         if ( si->si_logbase.bv_val ) {
2884                                 ch_free( si->si_logbase.bv_val );
2885                         }
2886                         ber_str2bv( val, 0, 0, &bv );
2887                         rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_logbase, NULL );
2888                         if ( rc != LDAP_SUCCESS ) {
2889                                 snprintf( c->msg, sizeof( c->msg ),
2890                                         "Invalid logbase DN \"%s\": %d (%s)",
2891                                         val, rc, ldap_err2string( rc ) );
2892                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
2893                                 return -1;
2894                         }
2895                 } else if ( !strncasecmp( c->argv[ i ], SCOPESTR "=",
2896                                         STRLENOF( SCOPESTR "=" ) ) )
2897                 {
2898                         int j;
2899                         val = c->argv[ i ] + STRLENOF( SCOPESTR "=" );
2900                         for ( j=0; !BER_BVISNULL(&scopes[j].key); j++ ) {
2901                                 if (!strcasecmp( val, scopes[j].key.bv_val )) {
2902                                         si->si_scope = scopes[j].val;
2903                                         break;
2904                                 }
2905                         }
2906                         if ( BER_BVISNULL(&scopes[j].key) ) {
2907                                 snprintf( c->msg, sizeof( c->msg ),
2908                                         "Error: parse_syncrepl_line: "
2909                                         "unknown scope \"%s\"", val);
2910                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
2911                                 return -1;
2912                         }
2913                 } else if ( !strncasecmp( c->argv[ i ], ATTRSONLYSTR,
2914                                         STRLENOF( ATTRSONLYSTR ) ) )
2915                 {
2916                         si->si_attrsonly = 1;
2917                 } else if ( !strncasecmp( c->argv[ i ], ATTRSSTR "=",
2918                                         STRLENOF( ATTRSSTR "=" ) ) )
2919                 {
2920                         val = c->argv[ i ] + STRLENOF( ATTRSSTR "=" );
2921                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
2922                                 char *attr_fname;
2923                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
2924                                 si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
2925                                 if ( si->si_anlist == NULL ) {
2926                                         ch_free( attr_fname );
2927                                         return -1;
2928                                 }
2929                                 si->si_anfile = attr_fname;
2930                         } else {
2931                                 char *str, *s, *next;
2932                                 char delimstr[] = " ,\t";
2933                                 str = ch_strdup( val );
2934                                 for ( s = ldap_pvt_strtok( str, delimstr, &next );
2935                                                 s != NULL;
2936                                                 s = ldap_pvt_strtok( NULL, delimstr, &next ) )
2937                                 {
2938                                         if ( strlen(s) == 1 && *s == '*' ) {
2939                                                 si->si_allattrs = 1;
2940                                                 *(val + ( s - str )) = delimstr[0];
2941                                         }
2942                                         if ( strlen(s) == 1 && *s == '+' ) {
2943                                                 si->si_allopattrs = 1;
2944                                                 *(val + ( s - str )) = delimstr[0];
2945                                         }
2946                                 }
2947                                 ch_free( str );
2948                                 si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
2949                                 if ( si->si_anlist == NULL ) {
2950                                         return -1;
2951                                 }
2952                         }
2953                 } else if ( !strncasecmp( c->argv[ i ], EXATTRSSTR "=",
2954                                         STRLENOF( EXATTRSSTR "=" ) ) )
2955                 {
2956                         val = c->argv[ i ] + STRLENOF( EXATTRSSTR "=" );
2957                         if ( !strncasecmp( val, ":include:", STRLENOF(":include:") )) {
2958                                 char *attr_fname;
2959                                 attr_fname = ch_strdup( val + STRLENOF(":include:") );
2960                                 si->si_exanlist = file2anlist(
2961                                         si->si_exanlist, attr_fname, " ,\t" );
2962                                 if ( si->si_exanlist == NULL ) {
2963                                         ch_free( attr_fname );
2964                                         return -1;
2965                                 }
2966                                 ch_free( attr_fname );
2967                         } else {
2968                                 si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
2969                                 if ( si->si_exanlist == NULL ) {
2970                                         return -1;
2971                                 }
2972                         }
2973                 } else if ( !strncasecmp( c->argv[ i ], TYPESTR "=",
2974                                         STRLENOF( TYPESTR "=" ) ) )
2975                 {
2976                         val = c->argv[ i ] + STRLENOF( TYPESTR "=" );
2977                         if ( !strncasecmp( val, "refreshOnly",
2978                                                 STRLENOF("refreshOnly") ) )
2979                         {
2980                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
2981                         } else if ( !strncasecmp( val, "refreshAndPersist",
2982                                                 STRLENOF("refreshAndPersist") ) )
2983                         {
2984                                 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_AND_PERSIST;
2985                                 si->si_interval = 60;
2986                         } else {
2987                                 snprintf( c->msg, sizeof( c->msg ),
2988                                         "Error: parse_syncrepl_line: "
2989                                         "unknown sync type \"%s\"", val);
2990                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
2991                                 return -1;
2992                         }
2993                 } else if ( !strncasecmp( c->argv[ i ], INTERVALSTR "=",
2994                                         STRLENOF( INTERVALSTR "=" ) ) )
2995                 {
2996                         val = c->argv[ i ] + STRLENOF( INTERVALSTR "=" );
2997                         if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
2998                                 si->si_interval = 0;
2999                         } else if ( strchr( val, ':' ) != NULL ) {
3000                                 char *next, *ptr = val;
3001                                 unsigned dd, hh, mm, ss;
3002
3003                                 /* NOTE: the test for ptr[ 0 ] == '-'
3004                                  * should go before the call to strtoul() */
3005                                 dd = strtoul( ptr, &next, 10 );
3006                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' ) {
3007                                         snprintf( c->msg, sizeof( c->msg ),
3008                                                 "Error: parse_syncrepl_line: "
3009                                                 "invalid interval \"%s\", unable to parse days", val );
3010                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3011                                         return -1;
3012                                 }
3013                                 ptr = next + 1;
3014                                 hh = strtoul( ptr, &next, 10 );
3015                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || hh > 24 ) {
3016                                         snprintf( c->msg, sizeof( c->msg ),
3017                                                 "Error: parse_syncrepl_line: "
3018                                                 "invalid interval \"%s\", unable to parse hours", val );
3019                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3020                                         return -1;
3021                                 }
3022                                 ptr = next + 1;
3023                                 mm = strtoul( ptr, &next, 10 );
3024                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || mm > 60 ) {
3025                                         snprintf( c->msg, sizeof( c->msg ),
3026                                                 "Error: parse_syncrepl_line: "
3027                                                 "invalid interval \"%s\", unable to parse minutes", val );
3028                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3029                                         return -1;
3030                                 }
3031                                 ptr = next + 1;
3032                                 ss = strtoul( ptr, &next, 10 );
3033                                 if ( ptr[ 0 ] == '-' || next == ptr || next[0] != '\0' || ss > 60 ) {
3034                                         snprintf( c->msg, sizeof( c->msg ),
3035                                                 "Error: parse_syncrepl_line: "
3036                                                 "invalid interval \"%s\", unable to parse seconds", val );
3037                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3038                                         return -1;
3039                                 }
3040                                 si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
3041                         } else {
3042                                 unsigned long   t;
3043
3044                                 if ( lutil_parse_time( val, &t ) != 0 ) {
3045                                         snprintf( c->msg, sizeof( c->msg ),
3046                                                 "Error: parse_syncrepl_line: "
3047                                                 "invalid interval \"%s\"", val );
3048                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3049                                         return -1;
3050                                 }
3051                                 si->si_interval = (time_t)t;
3052                         }
3053                         if ( si->si_interval < 0 ) {
3054                                 snprintf( c->msg, sizeof( c->msg ),
3055                                         "Error: parse_syncrepl_line: "
3056                                         "invalid interval \"%ld\"",
3057                                         (long) si->si_interval);
3058                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3059                                 return -1;
3060                         }
3061                 } else if ( !strncasecmp( c->argv[ i ], RETRYSTR "=",
3062                                         STRLENOF( RETRYSTR "=" ) ) )
3063                 {
3064                         char **retry_list;
3065                         int j, k, n;
3066
3067                         val = c->argv[ i ] + STRLENOF( RETRYSTR "=" );
3068                         retry_list = (char **) ch_calloc( 1, sizeof( char * ));
3069                         retry_list[0] = NULL;
3070
3071                         slap_str2clist( &retry_list, val, " ,\t" );
3072
3073                         for ( k = 0; retry_list && retry_list[k]; k++ ) ;
3074                         n = k / 2;
3075                         if ( k % 2 ) {
3076                                 snprintf( c->msg, sizeof( c->msg ),
3077                                         "Error: incomplete syncrepl retry list" );
3078                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3079                                 for ( k = 0; retry_list && retry_list[k]; k++ ) {
3080                                         ch_free( retry_list[k] );
3081                                 }
3082                                 ch_free( retry_list );
3083                                 return 1;
3084                         }
3085                         si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ));
3086                         si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ));
3087                         si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ));
3088                         for ( j = 0; j < n; j++ ) {
3089                                 unsigned long   t;
3090                                 if ( lutil_atoul( &t, retry_list[j*2] ) != 0 ) {
3091                                         snprintf( c->msg, sizeof( c->msg ),
3092                                                 "Error: invalid retry interval \"%s\" (#%d)",
3093                                                 retry_list[j*2], j );
3094                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3095                                         /* do some cleanup */
3096                                         return 1;
3097                                 }
3098                                 si->si_retryinterval[j] = (time_t)t;
3099                                 if ( *retry_list[j*2+1] == '+' ) {
3100                                         si->si_retrynum_init[j] = RETRYNUM_FOREVER;
3101                                         si->si_retrynum[j] = RETRYNUM_FOREVER;
3102                                         j++;
3103                                         break;
3104                                 } else {
3105                                         if ( lutil_atoi( &si->si_retrynum_init[j], retry_list[j*2+1] ) != 0
3106                                                         || si->si_retrynum_init[j] <= 0 )
3107                                         {
3108                                                 snprintf( c->msg, sizeof( c->msg ),
3109                                                         "Error: invalid initial retry number \"%s\" (#%d)",
3110                                                         retry_list[j*2+1], j );
3111                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3112                                                 /* do some cleanup */
3113                                                 return 1;
3114                                         }
3115                                         if ( lutil_atoi( &si->si_retrynum[j], retry_list[j*2+1] ) != 0
3116                                                         || si->si_retrynum[j] <= 0 )
3117                                         {
3118                                                 snprintf( c->msg, sizeof( c->msg ),
3119                                                         "Error: invalid retry number \"%s\" (#%d)",
3120                                                         retry_list[j*2+1], j );
3121                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3122                                                 /* do some cleanup */
3123                                                 return 1;
3124                                         }
3125                                 }
3126                         }
3127                         si->si_retrynum_init[j] = RETRYNUM_TAIL;
3128                         si->si_retrynum[j] = RETRYNUM_TAIL;
3129                         si->si_retryinterval[j] = 0;
3130
3131                         for ( k = 0; retry_list && retry_list[k]; k++ ) {
3132                                 ch_free( retry_list[k] );
3133                         }
3134                         ch_free( retry_list );
3135                 } else if ( !strncasecmp( c->argv[ i ], MANAGEDSAITSTR "=",
3136                                         STRLENOF( MANAGEDSAITSTR "=" ) ) )
3137                 {
3138                         val = c->argv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
3139                         if ( lutil_atoi( &si->si_manageDSAit, val ) != 0
3140                                 || si->si_manageDSAit < 0 || si->si_manageDSAit > 1 )
3141                         {
3142                                 snprintf( c->msg, sizeof( c->msg ),
3143                                         "invalid manageDSAit value \"%s\".\n",
3144                                         val );
3145                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3146                                 return 1;
3147                         }
3148                 } else if ( !strncasecmp( c->argv[ i ], SLIMITSTR "=",
3149                                         STRLENOF( SLIMITSTR "=") ) )
3150                 {
3151                         val = c->argv[ i ] + STRLENOF( SLIMITSTR "=" );
3152                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3153                                 si->si_slimit = 0;
3154
3155                         } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || si->si_slimit < 0 ) {
3156                                 snprintf( c->msg, sizeof( c->msg ),
3157                                         "invalid size limit value \"%s\".\n",
3158                                         val );
3159                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3160                                 return 1;
3161                         }
3162                 } else if ( !strncasecmp( c->argv[ i ], TLIMITSTR "=",
3163                                         STRLENOF( TLIMITSTR "=" ) ) )
3164                 {
3165                         val = c->argv[ i ] + STRLENOF( TLIMITSTR "=" );
3166                         if ( strcasecmp( val, "unlimited" ) == 0 ) {
3167                                 si->si_tlimit = 0;
3168
3169                         } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || si->si_tlimit < 0 ) {
3170                                 snprintf( c->msg, sizeof( c->msg ),
3171                                         "invalid time limit value \"%s\".\n",
3172                                         val );
3173                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3174                                 return 1;
3175                         }
3176                 } else if ( !strncasecmp( c->argv[ i ], SYNCDATASTR "=",
3177                                         STRLENOF( SYNCDATASTR "=" ) ) )
3178                 {
3179                         val = c->argv[ i ] + STRLENOF( SYNCDATASTR "=" );
3180                         si->si_syncdata = verb_to_mask( val, datamodes );
3181                 } else if ( bindconf_parse( c->argv[i], &si->si_bindconf ) ) {
3182                         snprintf( c->msg, sizeof( c->msg ),
3183                                 "Error: parse_syncrepl_line: "
3184                                 "unable to parse \"%s\"\n", c->argv[ i ] );
3185                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3186                         return -1;
3187                 }
3188         }
3189
3190         if ( gots != GOT_ALL ) {
3191                 snprintf( c->msg, sizeof( c->msg ),
3192                         "Error: Malformed \"syncrepl\" line in slapd config file, missing%s%s%s",
3193                         gots & GOT_ID ? "" : " "IDSTR,
3194                         gots & GOT_PROVIDER ? "" : " "PROVIDERSTR,
3195                         gots & GOT_BASE ? "" : " "SEARCHBASESTR );
3196                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
3197                 return -1;
3198         }
3199
3200         return 0;
3201 }
3202
3203 static int
3204 add_syncrepl(
3205         ConfigArgs *c )
3206 {
3207         syncinfo_t *si;
3208         int     rc = 0;
3209
3210         if ( !( c->be->be_search && c->be->be_add && c->be->be_modify && c->be->be_delete ) ) {
3211                 snprintf( c->msg, sizeof(c->msg), "database %s does not support "
3212                         "operations required for syncrepl", c->be->be_type );
3213                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->msg, 0 );
3214                 return 1;
3215         }
3216         if ( BER_BVISEMPTY( &c->be->be_rootdn )) {
3217                 strcpy( c->msg, "rootDN must be defined before syncrepl may be used" );
3218                 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->msg, 0 );
3219                 return 1;
3220         }
3221         si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
3222
3223         if ( si == NULL ) {
3224                 Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
3225                 return 1;
3226         }
3227
3228         si->si_bindconf.sb_tls = SB_TLS_OFF;
3229         si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
3230         si->si_schemachecking = 0;
3231         ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
3232                 &si->si_filterstr );
3233         si->si_base.bv_val = NULL;
3234         si->si_scope = LDAP_SCOPE_SUBTREE;
3235         si->si_attrsonly = 0;
3236         si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ));
3237         si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ));
3238         si->si_attrs = NULL;
3239         si->si_allattrs = 0;
3240         si->si_allopattrs = 0;
3241         si->si_exattrs = NULL;
3242         si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3243         si->si_interval = 86400;
3244         si->si_retryinterval = NULL;
3245         si->si_retrynum_init = NULL;
3246         si->si_retrynum = NULL;
3247         si->si_manageDSAit = 0;
3248         si->si_tlimit = 0;
3249         si->si_slimit = 0;
3250         si->si_conn_setup = 0;
3251
3252         si->si_presentlist = NULL;
3253         LDAP_LIST_INIT( &si->si_nonpresentlist );
3254         ldap_pvt_thread_mutex_init( &si->si_mutex );
3255
3256         rc = parse_syncrepl_line( c, si );
3257
3258         if ( rc == 0 ) {
3259                 si->si_be = c->be;
3260                 init_syncrepl( si );
3261                 si->si_re = ldap_pvt_runqueue_insert( &slapd_rq, si->si_interval,
3262                         do_syncrepl, si, "do_syncrepl", c->be->be_suffix[0].bv_val );
3263                 if ( !si->si_re )
3264                         rc = -1;
3265         }
3266         if ( rc < 0 ) {
3267                 Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
3268                 syncinfo_free( si );
3269                 return 1;
3270         } else {
3271                 Debug( LDAP_DEBUG_CONFIG,
3272                         "Config: ** successfully added syncrepl \"%s\"\n",
3273                         BER_BVISNULL( &si->si_bindconf.sb_uri ) ?
3274                         "(null)" : si->si_bindconf.sb_uri.bv_val, 0, 0 );
3275                 if ( !si->si_schemachecking ) {
3276                         SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
3277                 }
3278                 c->be->be_syncinfo = si;
3279                 return 0;
3280         }
3281 }
3282
3283 static void
3284 syncrepl_unparse( syncinfo_t *si, struct berval *bv )
3285 {
3286         struct berval bc, uri;
3287         char buf[BUFSIZ*2], *ptr;
3288         int i;
3289
3290         /* FIXME: we're not checking for buf[] overflow! */
3291
3292         /* temporarily inhibit bindconf from printing URI */
3293         uri = si->si_bindconf.sb_uri;
3294         BER_BVZERO( &si->si_bindconf.sb_uri );
3295         bindconf_unparse( &si->si_bindconf, &bc );
3296         si->si_bindconf.sb_uri = uri;
3297
3298         ptr = buf;
3299         ptr += snprintf( ptr, sizeof( buf ), IDSTR "=%03ld " PROVIDERSTR "=%s",
3300                 si->si_rid, si->si_bindconf.sb_uri.bv_val );
3301         if ( !BER_BVISNULL( &bc )) {
3302                 ptr = lutil_strcopy( ptr, bc.bv_val );
3303                 free( bc.bv_val );
3304         }
3305         if ( !BER_BVISEMPTY( &si->si_filterstr )) {
3306                 ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
3307                 ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
3308                 *ptr++ = '"';
3309         }
3310         if ( !BER_BVISNULL( &si->si_base )) {
3311                 ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
3312                 ptr = lutil_strcopy( ptr, si->si_base.bv_val );
3313                 *ptr++ = '"';
3314         }
3315         if ( !BER_BVISEMPTY( &si->si_logfilterstr )) {
3316                 ptr = lutil_strcopy( ptr, " " LOGFILTERSTR "=\"" );
3317                 ptr = lutil_strcopy( ptr, si->si_logfilterstr.bv_val );
3318                 *ptr++ = '"';
3319         }
3320         if ( !BER_BVISNULL( &si->si_logbase )) {
3321                 ptr = lutil_strcopy( ptr, " " LOGBASESTR "=\"" );
3322                 ptr = lutil_strcopy( ptr, si->si_logbase.bv_val );
3323                 *ptr++ = '"';
3324         }
3325         for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
3326                 if ( si->si_scope == scopes[i].val ) {
3327                         ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
3328                         ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
3329                         break;
3330                 }
3331         }
3332         if ( si->si_attrsonly ) {
3333                 ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR );
3334         }
3335         if ( si->si_anfile ) {
3336                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:" );
3337                 ptr = lutil_strcopy( ptr, si->si_anfile );
3338         } else if ( si->si_allattrs || si->si_allopattrs ||
3339                 ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) )) {
3340                 char *old;
3341                 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
3342                 old = ptr;
3343                 ptr = anlist_unparse( si->si_anlist, ptr );
3344                 if ( si->si_allattrs ) {
3345                         if ( old != ptr ) *ptr++ = ',';
3346                         *ptr++ = '*';
3347                 }
3348                 if ( si->si_allopattrs ) {
3349                         if ( old != ptr ) *ptr++ = ',';
3350                         *ptr++ = '+';
3351                 }
3352                 *ptr++ = '"';
3353         }
3354         if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
3355                 ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
3356                 ptr = anlist_unparse( si->si_exanlist, ptr );
3357         }
3358         ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
3359         ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
3360
3361         ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
3362         ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
3363                 "refreshAndPersist" : "refreshOnly" );
3364
3365         if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
3366                 int dd, hh, mm, ss;
3367
3368                 dd = si->si_interval;
3369                 ss = dd % 60;
3370                 dd /= 60;
3371                 mm = dd % 60;
3372                 dd /= 60;
3373                 hh = dd % 24;
3374                 dd /= 24;
3375                 ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
3376                 ptr += sprintf( ptr, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
3377         } else if ( si->si_retryinterval ) {
3378                 int space=0;
3379                 ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
3380                 for (i=0; si->si_retryinterval[i]; i++) {
3381                         if ( space ) *ptr++ = ' ';
3382                         space = 1;
3383                         ptr += sprintf( ptr, "%ld ", (long) si->si_retryinterval[i] );
3384                         if ( si->si_retrynum_init[i] == RETRYNUM_FOREVER )
3385                                 *ptr++ = '+';
3386                         else
3387                                 ptr += sprintf( ptr, "%d", si->si_retrynum_init[i] );
3388                 }
3389                 *ptr++ = '"';
3390         }
3391
3392         if ( si->si_slimit ) {
3393                 ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
3394                 ptr += sprintf( ptr, "%d", si->si_slimit );
3395         }
3396
3397         if ( si->si_tlimit ) {
3398                 ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
3399                 ptr += sprintf( ptr, "%d", si->si_tlimit );
3400         }
3401
3402         if ( si->si_syncdata ) {
3403                 if ( enum_to_verb( datamodes, si->si_syncdata, &bc ) >= 0 ) {
3404                         ptr = lutil_strcopy( ptr, " " SYNCDATASTR "=" );
3405                         ptr = lutil_strcopy( ptr, bc.bv_val );
3406                 }
3407         }
3408         bc.bv_len = ptr - buf;
3409         bc.bv_val = buf;
3410         ber_dupbv( bv, &bc );
3411 }
3412
3413 int
3414 syncrepl_config( ConfigArgs *c )
3415 {
3416         if (c->op == SLAP_CONFIG_EMIT) {
3417                 if ( c->be->be_syncinfo ) {
3418                         struct berval bv;
3419                         syncrepl_unparse( c->be->be_syncinfo, &bv );
3420                         ber_bvarray_add( &c->rvalue_vals, &bv );
3421                         return 0;
3422                 }
3423                 return 1;
3424         } else if ( c->op == LDAP_MOD_DELETE ) {
3425                 struct re_s *re;
3426
3427                 if ( c->be->be_syncinfo ) {
3428                         re = c->be->be_syncinfo->si_re;
3429                         if ( re ) {
3430                                 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ) )
3431                                         ldap_pvt_runqueue_stoptask( &slapd_rq, re );
3432                                 ldap_pvt_runqueue_remove( &slapd_rq, re );
3433                         }
3434                         syncinfo_free( c->be->be_syncinfo );
3435                         c->be->be_syncinfo = NULL;
3436                 }
3437                 SLAP_DBFLAGS( c->be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
3438                 return 0;
3439         }
3440         if ( SLAP_SHADOW( c->be ) ) {
3441                 Debug(LDAP_DEBUG_ANY, "%s: "
3442                         "syncrepl: database already shadowed.\n",
3443                         c->log, 0, 0);
3444                 return(1);
3445         } else if ( add_syncrepl( c ) ) {
3446                 return(1);
3447         }
3448         return config_sync_shadow( c );
3449 }