3 * Replication Engine which uses the LDAP Sync protocol
6 * Copyright 2003 The OpenLDAP Foundation, All Rights Reserved.
7 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
9 /* Copyright (c) 2003 by International Business Machines, Inc.
11 * International Business Machines, Inc. (hereinafter called IBM) grants
12 * permission under its copyrights to use, copy, modify, and distribute this
13 * Software with or without fee, provided that the above copyright notice and
14 * all paragraphs of this notice appear in all copies, and that the name of IBM
15 * not be used in connection with the marketing of any product incorporating
16 * the Software or modifications thereof, without specific, written prior
19 * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
20 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
21 * PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
22 * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
23 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
24 * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
26 /* Modified by Howard Chu
28 * Copyright (c) 2003 by Howard Chu, Symas Corporation
30 * Modifications provided under the terms of the OpenLDAP public license.
37 #include <ac/string.h>
38 #include <ac/socket.h>
43 #include "lutil_ldap.h"
47 #define SYNCREPL_STR "syncreplxxx"
50 static const struct berval slap_syncrepl_bvc = BER_BVC(SYNCREPL_STR);
51 static const struct berval slap_syncrepl_cn_bvc = BER_BVC(CN_STR SYNCREPL_STR);
54 syncrepl_del_nonpresent( Operation *, syncinfo_t * );
56 /* callback functions */
57 static int dn_callback( struct slap_op *, struct slap_rep * );
58 static int nonpresent_callback( struct slap_op *, struct slap_rep * );
59 static int null_callback( struct slap_op *, struct slap_rep * );
61 static AttributeDescription *sync_descs[4];
63 struct runqueue_s syncrepl_rq;
66 init_syncrepl(syncinfo_t *si)
71 if ( !sync_descs[0] ) {
72 sync_descs[0] = slap_schema.si_ad_objectClass;
73 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
74 sync_descs[2] = slap_schema.si_ad_entryCSN;
78 for ( n = 0; si->si_attrs[ n ] != NULL; n++ ) /* empty */;
81 /* Delete Attributes */
82 for ( i = 0; sync_descs[i] != NULL; i++ ) {
83 for ( j = 0; si->si_attrs[j] != NULL; j++ ) {
84 if ( strcmp( si->si_attrs[j], sync_descs[i]->ad_cname.bv_val )
87 ch_free( si->si_attrs[j] );
88 for ( k = j; si->si_attrs[k] != NULL; k++ ) {
89 si->si_attrs[k] = si->si_attrs[k+1];
94 for ( n = 0; si->si_attrs[ n ] != NULL; n++ ) /* empty */;
95 tmp = ( char ** ) ch_realloc( si->si_attrs, (n + 4)*sizeof( char * ));
98 LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
100 Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
104 tmp = ( char ** ) ch_realloc( si->si_attrs, 5 * sizeof( char * ));
107 LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
109 Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
112 tmp[ n++ ] = ch_strdup( "*" );
119 for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
120 si->si_attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
121 si->si_attrs[ n ] = NULL;
129 struct berval *syncCookie )
131 BerElementBuffer berbuf;
132 BerElement *ber = (BerElement *)&berbuf;
133 LDAPControl c[2], *ctrls[3];
134 struct timeval timeout;
138 /* setup LDAP SYNC control */
139 ber_init2( ber, NULL, LBER_USE_DER );
140 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
143 ber_printf( ber, "{eO}", abs(si->si_type), syncCookie );
145 ber_printf( ber, "{e}", abs(si->si_type) );
148 if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 )) == LBER_ERROR ) {
153 c[0].ldctl_oid = LDAP_CONTROL_SYNC;
154 c[0].ldctl_iscritical = si->si_type < 0;
157 if ( si->si_authzId ) {
158 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
159 ber_str2bv( si->si_authzId, 0, 0, &c[1].ldctl_value );
160 c[1].ldctl_iscritical = 1;
167 timeout.tv_sec = si->si_tlimit > 0 ? si->si_tlimit : 1;
170 rc = ldap_search_ext( si->si_ld, si->si_base.bv_val, si->si_scope,
171 si->si_filterstr.bv_val, si->si_attrs, si->si_attrsonly,
172 ctrls, NULL, si->si_tlimit < 0 ? NULL : &timeout,
173 si->si_slimit, &msgid );
179 static const Listener dummy_list = { {0, ""}, {0, ""} };
188 char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
189 struct berval syncrepl_cn_bv;
190 BerVarray syncCookie;
192 si->si_sync_mode = LDAP_SYNC_STATE_MODE;
194 /* Init connection to master */
196 rc = ldap_initialize( &si->si_ld, si->si_provideruri );
197 if ( rc != LDAP_SUCCESS ) {
199 LDAP_LOG( OPERATION, ERR,
200 "do_syncrepl: ldap_initialize failed (%s)\n",
201 si->si_provideruri, 0, 0 );
203 Debug( LDAP_DEBUG_ANY,
204 "do_syncrepl: ldap_initialize failed (%s)\n",
205 si->si_provideruri, 0, 0 );
210 op->o_protocol = LDAP_VERSION3;
211 ldap_set_option( si->si_ld, LDAP_OPT_PROTOCOL_VERSION, &op->o_protocol );
216 rc = ldap_start_tls_s( si->si_ld, NULL, NULL );
217 if( rc != LDAP_SUCCESS ) {
219 LDAP_LOG ( OPERATION, ERR, "do_syncrepl: "
220 "%s: ldap_start_tls failed (%d)\n",
221 si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
224 Debug( LDAP_DEBUG_ANY,
225 "%s: ldap_start_tls failed (%d)\n",
226 si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
229 if( si->si_tls == SYNCINFO_TLS_CRITICAL ) goto done;
233 if ( si->si_bindmethod == LDAP_AUTH_SASL ) {
234 #ifdef HAVE_CYRUS_SASL
237 if ( si->si_secprops != NULL ) {
238 rc = ldap_set_option( si->si_ld,
239 LDAP_OPT_X_SASL_SECPROPS, si->si_secprops);
241 if( rc != LDAP_OPT_SUCCESS ) {
243 LDAP_LOG ( OPERATION, ERR, "do_bind: Error: "
244 "ldap_set_option(%s,SECPROPS,\"%s\") failed!\n",
245 si->si_provideruri, si->si_secprops, 0 );
247 Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
248 "(%s,SECPROPS,\"%s\") failed!\n",
249 si->si_provideruri, si->si_secprops, 0 );
255 defaults = lutil_sasl_defaults( si->si_ld,
256 si->si_saslmech, si->si_realm,
257 si->si_authcId, si->si_passwd, si->si_authzId );
259 rc = ldap_sasl_interactive_bind_s( si->si_ld,
267 lutil_sasl_freedefs( defaults );
269 /* FIXME : different error behaviors according to
271 * 2) on err policy : exit, retry, backoff ...
273 if ( rc != LDAP_SUCCESS ) {
275 LDAP_LOG ( OPERATION, ERR, "do_syncrepl: "
276 "ldap_sasl_interactive_bind_s failed (%d)\n",
279 Debug( LDAP_DEBUG_ANY, "do_syncrepl: "
280 "ldap_sasl_interactive_bind_s failed (%d)\n",
285 #else /* HAVE_CYRUS_SASL */
286 /* Should never get here, we trapped this at config time */
287 fprintf( stderr, "not compiled with SASL support\n" );
292 rc = ldap_bind_s( si->si_ld, si->si_binddn, si->si_passwd, si->si_bindmethod );
293 if ( rc != LDAP_SUCCESS ) {
295 LDAP_LOG ( OPERATION, ERR, "do_syncrepl: "
296 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
298 Debug( LDAP_DEBUG_ANY, "do_syncrepl: "
299 "ldap_bind_s failed (%d)\n", rc, 0, 0 );
305 /* get syncrepl cookie of shadow replica from subentry */
307 assert( si->si_id < 1000 );
308 syncrepl_cn_bv.bv_val = syncrepl_cbuf;
309 syncrepl_cn_bv.bv_len = snprintf(syncrepl_cbuf, sizeof(syncrepl_cbuf),
310 CN_STR "syncrepl%d", si->si_id );
311 build_new_dn( &op->o_req_ndn, &si->si_base, &syncrepl_cn_bv,
313 op->o_req_dn = op->o_req_ndn;
316 backend_attribute( op, NULL, &op->o_req_ndn,
317 slap_schema.si_ad_syncreplCookie, &syncCookie );
319 rc = ldap_sync_search( si, op->o_tmpmemctx, syncCookie );
320 if( rc != LDAP_SUCCESS ) {
322 LDAP_LOG ( OPERATION, ERR, "do_syncrepl: "
323 "ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
325 Debug( LDAP_DEBUG_ANY, "do_syncrepl: "
326 "ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
330 ber_dupbv( &si->si_syncCookie, syncCookie );
331 ber_bvarray_free_x( syncCookie, op->o_tmpmemctx );
337 ldap_unbind( si->si_ld );
350 LDAPControl **rctrls = NULL;
353 BerElementBuffer berbuf;
354 BerElement *ber = (BerElement *)&berbuf;
356 LDAPMessage *res = NULL;
357 LDAPMessage *msg = NULL;
360 struct berval *retdata = NULL;
362 int sync_info_arrived = 0;
366 struct berval syncUUID = { 0, NULL };
367 struct berval syncCookie = { 0, NULL };
368 struct berval syncCookie_req;
373 int syncinfo_arrived = 0;
380 Modifications *modlist = NULL;
385 struct timeval *tout_p = NULL;
386 struct timeval tout = { 0, 0 };
388 if ( slapd_abrupt_shutdown ) {
394 LDAP_LOG ( OPERATION, DETAIL1, "do_syncrep2\n", 0, 0, 0 );
396 Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2\n", 0, 0, 0 );
399 op->o_callback = &cb;
401 psub = &si->si_be->be_nsuffix[0];
403 syncCookie_req = si->si_syncCookie;
405 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ){
411 while (( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE, tout_p, &res ))
414 if ( slapd_abrupt_shutdown ) {
418 for( msg = ldap_first_message( si->si_ld, res );
420 msg = ldap_next_message( si->si_ld, msg ) )
422 syncCookie.bv_len = 0; syncCookie.bv_val = NULL;
423 switch( ldap_msgtype( msg ) ) {
424 case LDAP_RES_SEARCH_ENTRY:
425 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
428 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
429 ber_scanf( ber, "{em", &syncstate, &syncUUID );
430 if ( ber_peek_tag( ber, &len ) == LDAP_SYNC_TAG_COOKIE ) {
431 ber_scanf( ber, "m}", &syncCookie );
434 entry = syncrepl_message_to_entry( si, op, msg,
435 &modlist, syncstate );
436 rc_efree = syncrepl_entry( si, op, entry, modlist,
437 syncstate, &syncUUID, !syncinfo_arrived );
438 if ( syncCookie.bv_len ) {
439 syncrepl_updateCookie( si, op, psub, &syncCookie );
442 ldap_controls_free( rctrls );
445 slap_mods_free( modlist );
447 if ( rc_efree && entry ) {
452 case LDAP_RES_SEARCH_REFERENCE:
454 LDAP_LOG( OPERATION, ERR,
455 "do_syncrepl : reference received\n", 0, 0, 0 );
457 Debug( LDAP_DEBUG_ANY,
458 "do_syncrepl : reference received\n", 0, 0, 0 );
462 case LDAP_RES_SEARCH_RESULT:
463 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
467 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
469 ber_scanf( ber, "{" /*"}"*/);
470 if ( ber_peek_tag( ber, &len ) == LDAP_SYNC_TAG_COOKIE )
472 ber_scanf( ber, "m", &syncCookie );
475 value_match( &match, slap_schema.si_ad_entryCSN,
476 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
477 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
478 &syncCookie_req, &syncCookie, &text );
479 if ( syncCookie.bv_len && match < 0) {
480 syncrepl_updateCookie( si, op,
484 ldap_controls_free( rctrls );
486 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
487 /* FIXME : different error behaviors according to
488 * 1) err code : LDAP_BUSY ...
489 * 2) on err policy : stop service, stop sync, retry
491 if ( si->si_sync_mode == LDAP_SYNC_STATE_MODE && match
494 syncrepl_del_nonpresent( op, si );
501 case LDAP_RES_INTERMEDIATE:
502 rc = ldap_parse_intermediate( si->si_ld, msg,
503 &retoid, &retdata, NULL, 0 );
504 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
505 sync_info_arrived = 1;
506 ber_init2( ber, retdata, LBER_USE_DER );
507 ber_scanf( ber, "{e" /*"}"*/, &syncstate );
509 if ( ber_peek_tag( ber, &len )
510 == LDAP_SYNC_TAG_COOKIE ) {
511 ber_scanf( ber, /*"{"*/ "m}", &syncCookie );
513 if ( syncstate == LDAP_SYNC_NEW_COOKIE ) {
515 LDAP_LOG( OPERATION, ERR,
516 "do_syncrepl : cookie required\n", 0, 0, 0 );
518 Debug( LDAP_DEBUG_ANY,
519 "do_syncrepl : cookie required\n", 0, 0, 0 );
524 value_match( &match, slap_schema.si_ad_entryCSN,
525 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
526 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
527 &syncCookie_req, &syncCookie, &text );
529 if ( syncCookie.bv_len && match < 0 ) {
530 syncrepl_updateCookie( si, op, psub, &syncCookie);
533 if ( syncstate == LDAP_SYNC_STATE_MODE_DONE ) {
535 syncrepl_del_nonpresent( op, si );
537 si->si_sync_mode = LDAP_SYNC_LOG_MODE;
538 } else if ( syncstate == LDAP_SYNC_LOG_MODE_DONE ) {
539 si->si_sync_mode = LDAP_SYNC_PERSIST_MODE;
540 } else if ( syncstate == LDAP_SYNC_REFRESH_DONE ) {
541 si->si_sync_mode = LDAP_SYNC_PERSIST_MODE;
542 } else if ( syncstate != LDAP_SYNC_NEW_COOKIE ||
543 syncstate != LDAP_SYNC_LOG_MODE_DONE )
546 LDAP_LOG( OPERATION, ERR,
547 "do_syncrepl : unknown sync info\n", 0, 0, 0 );
549 Debug( LDAP_DEBUG_ANY,
550 "do_syncrepl : unknown sync info\n", 0, 0, 0 );
554 ldap_memfree( retoid );
555 ber_bvfree( retdata );
559 LDAP_LOG( OPERATION, ERR,"do_syncrepl :"
560 " unknown intermediate "
561 "response\n", 0, 0, 0 );
563 Debug( LDAP_DEBUG_ANY, "do_syncrepl : "
564 "unknown intermediate response (%d)\n",
567 ldap_memfree( retoid );
568 ber_bvfree( retdata );
574 LDAP_LOG( OPERATION, ERR, "do_syncrepl : "
575 "unknown message\n", 0, 0, 0 );
577 Debug( LDAP_DEBUG_ANY, "do_syncrepl : "
578 "unknown message\n", 0, 0, 0 );
592 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &errno );
593 errstr = ldap_err2string( errno );
596 LDAP_LOG( OPERATION, ERR,
597 "do_syncrepl : %s\n", errstr, 0, 0 );
599 Debug( LDAP_DEBUG_ANY,
600 "do_syncrepl : %s\n", errstr, 0, 0 );
605 if ( res ) ldap_msgfree( res );
607 if ( rc && si->si_ld ) {
608 ldap_unbind( si->si_ld );
610 /* just close and report success */
623 struct re_s* rtask = arg;
624 syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
625 Connection conn = {0};
627 int rc = LDAP_SUCCESS;
631 LDAP_LOG ( OPERATION, DETAIL1, "do_syncrepl\n", 0, 0, 0 );
633 Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl\n", 0, 0, 0 );
639 switch( abs( si->si_type )) {
640 case LDAP_SYNC_REFRESH_ONLY:
641 case LDAP_SYNC_REFRESH_AND_PERSIST:
648 conn.c_send_ldap_result = slap_send_ldap_result;
649 conn.c_send_search_entry = slap_send_search_entry;
650 conn.c_send_search_reference = slap_send_search_reference;
651 conn.c_listener = (Listener *)&dummy_list;
652 conn.c_peer_name = slap_empty_bv;
654 /* set memory context */
655 #define SLAB_SIZE 1048576
656 op.o_tmpmemctx = sl_mem_create( SLAB_SIZE, ctx );
657 op.o_tmpmfuncs = &sl_mfuncs;
659 op.o_dn = si->si_updatedn;
660 op.o_ndn = si->si_updatedn;
661 op.o_time = slap_get_time();
662 op.o_threadctx = ctx;
663 op.o_managedsait = 1;
666 op.o_connid = op.o_conn->c_connid;
668 /* Establish session, do search */
671 rc = do_syncrep1( &op, si );
674 /* Process results */
675 if ( rc == LDAP_SUCCESS ) {
677 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
679 rc = do_syncrep2( &op, si );
681 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
682 /* If we succeeded, enable the connection for further listening.
683 * If we failed, tear down the connection and reschedule.
685 if ( rc == LDAP_SUCCESS ) {
687 rc = connection_client_setup( s, (Listener *)&dummy_list, do_syncrepl,
690 connection_client_enable( s );
692 /* Don't need to resched this task for a while */
693 if ( rc == 0 ) rc = 1;
695 connection_client_stop( s );
698 ch_free( si->si_syncCookie.bv_val );
699 si->si_syncCookie.bv_val = NULL;
700 si->si_syncCookie.bv_len = 0;
704 if ( rc == LDAP_SUCCESS || rc == LDAP_SERVER_DOWN ) {
705 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
706 ldap_pvt_runqueue_stoptask( &syncrepl_rq, rtask );
707 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
708 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
715 syncrepl_message_to_entry(
719 Modifications **modlist,
724 BerElement *ber = NULL;
727 Modifications **modtail = modlist;
730 char txtbuf[SLAP_TEXT_BUFLEN];
731 size_t textlen = sizeof txtbuf;
733 struct berval bdn = {0, NULL}, dn, ndn;
738 if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
740 LDAP_LOG( OPERATION, ERR,
741 "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
743 Debug( LDAP_DEBUG_ANY,
744 "Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
749 op->o_tag = LDAP_REQ_ADD;
751 rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
753 if ( rc != LDAP_SUCCESS ) {
755 LDAP_LOG( OPERATION, ERR,
756 "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
758 Debug( LDAP_DEBUG_ANY,
759 "syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
764 dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
765 ber_dupbv( &op->o_req_dn, &dn );
766 ber_dupbv( &op->o_req_ndn, &ndn );
767 sl_free( ndn.bv_val, op->o_tmpmemctx );
768 sl_free( dn.bv_val, op->o_tmpmemctx );
770 if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
774 e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
775 e->e_name = op->o_req_dn;
776 e->e_nname = op->o_req_ndn;
778 while ( ber_remaining( ber ) ) {
779 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
780 LBER_ERROR ) || ( tmp.sml_type.bv_val == NULL ))
785 mod = (Modifications *) ch_malloc( sizeof( Modifications ));
787 mod->sml_op = LDAP_MOD_REPLACE;
788 mod->sml_next = NULL;
789 mod->sml_desc = NULL;
790 mod->sml_type = tmp.sml_type;
791 mod->sml_bvalues = tmp.sml_bvalues;
792 mod->sml_nvalues = NULL;
795 modtail = &mod->sml_next;
798 if ( *modlist == NULL ) {
800 LDAP_LOG( OPERATION, ERR,
801 "syncrepl_message_to_entry: no attributes\n", 0, 0, 0 );
803 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: no attributes\n",
808 rc = slap_mods_check( *modlist, 1, &text, txtbuf, textlen, NULL );
810 if ( rc != LDAP_SUCCESS ) {
812 LDAP_LOG( OPERATION, ERR,
813 "syncrepl_message_to_entry: mods check (%s)\n", text, 0, 0 );
815 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods check (%s)\n",
821 rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
822 if( rc != LDAP_SUCCESS ) {
824 LDAP_LOG( OPERATION, ERR,
825 "syncrepl_message_to_entry: mods2entry (%s)\n", text, 0, 0 );
827 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods2entry (%s)\n",
834 if ( rc != LDAP_SUCCESS ) {
843 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
845 const struct berval *uuid1 = v_uuid1;
846 const struct berval *uuid2 = v_uuid2;
847 int rc = uuid1->bv_len - uuid2->bv_len;
849 return ( strcmp( uuid1->bv_val, uuid2->bv_val ) );
857 Modifications* modlist,
859 struct berval* syncUUID,
863 Backend *be = op->o_bd;
865 struct berval *syncuuid_bv = NULL;
867 SlapReply rs = {REP_RESULT};
869 AttributeAssertion ava = {0};
870 int rc = LDAP_SUCCESS;
871 int ret = LDAP_SUCCESS;
874 ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD ))
876 syncuuid_bv = ber_dupbv( NULL, syncUUID );
877 avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
878 syncuuid_cmp, avl_dup_error );
881 if ( syncstate == LDAP_SYNC_PRESENT ) {
885 op->ors_filterstr.bv_len = (sizeof("entryUUID=")-1) + syncUUID->bv_len;
886 op->ors_filterstr.bv_val = (char *) sl_malloc(
887 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
888 AC_MEMCPY( op->ors_filterstr.bv_val, "entryUUID=", sizeof("entryUUID=")-1 );
889 AC_MEMCPY( &op->ors_filterstr.bv_val[sizeof("entryUUID=")-1],
890 syncUUID->bv_val, syncUUID->bv_len );
891 op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
893 f.f_choice = LDAP_FILTER_EQUALITY;
895 ava.aa_desc = slap_schema.si_ad_entryUUID;
896 ava.aa_value = *syncUUID;
898 op->ors_scope = LDAP_SCOPE_SUBTREE;
900 /* get syncrepl cookie of shadow replica from subentry */
901 op->o_req_dn = si->si_base;
902 op->o_req_ndn = si->si_base;
904 /* set callback function */
905 op->o_callback = &cb;
906 cb.sc_response = dn_callback;
909 si->si_syncUUID_ndn.bv_val = NULL;
911 rc = be->be_search( op, &rs );
913 if ( op->ors_filterstr.bv_val ) {
914 sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
917 cb.sc_response = null_callback;
920 if ( rc == LDAP_SUCCESS && si->si_syncUUID_ndn.bv_val &&
921 si->si_sync_mode != LDAP_SYNC_LOG_MODE )
923 op->o_req_dn = si->si_syncUUID_ndn;
924 op->o_req_ndn = si->si_syncUUID_ndn;
925 op->o_tag = LDAP_REQ_DELETE;
926 rc = be->be_delete( op, &rs );
929 switch ( syncstate ) {
931 case LDAP_SYNC_MODIFY:
932 if ( rc == LDAP_SUCCESS ||
933 rc == LDAP_REFERRAL ||
934 rc == LDAP_NO_SUCH_OBJECT )
936 attr_delete( &e->e_attrs, slap_schema.si_ad_entryUUID );
937 attr_merge_normalize_one( e, slap_schema.si_ad_entryUUID,
938 syncUUID, op->o_tmpmemctx );
940 op->o_tag = LDAP_REQ_ADD;
942 op->o_req_dn = e->e_name;
943 op->o_req_ndn = e->e_nname;
944 rc = be->be_add( op, &rs );
946 if ( rc != LDAP_SUCCESS ) {
947 if ( rc == LDAP_ALREADY_EXISTS ) {
948 op->o_tag = LDAP_REQ_MODIFY;
949 op->orm_modlist = modlist;
950 op->o_req_dn = e->e_name;
951 op->o_req_ndn = e->e_nname;
952 rc = be->be_modify( op, &rs );
953 if ( rc != LDAP_SUCCESS ) {
955 LDAP_LOG( OPERATION, ERR,
956 "syncrepl_entry : be_modify failed (%d)\n",
959 Debug( LDAP_DEBUG_ANY,
960 "syncrepl_entry : be_modify failed (%d)\n",
966 } else if ( rc == LDAP_REFERRAL || rc == LDAP_NO_SUCH_OBJECT ) {
967 syncrepl_add_glue( op, e );
972 LDAP_LOG( OPERATION, ERR,
973 "syncrepl_entry : be_add failed (%d)\n",
976 Debug( LDAP_DEBUG_ANY,
977 "syncrepl_entry : be_add failed (%d)\n",
984 be_entry_release_w( op, e );
990 LDAP_LOG( OPERATION, ERR,
991 "syncrepl_entry : be_search failed (%d)\n", rc, 0, 0 );
993 Debug( LDAP_DEBUG_ANY,
994 "syncrepl_entry : be_search failed (%d)\n", rc, 0, 0 );
1000 case LDAP_SYNC_DELETE :
1001 if ( si->si_sync_mode == LDAP_SYNC_LOG_MODE ) {
1002 if ( si->si_syncUUID_ndn.bv_val ) {
1003 op->o_req_dn = si->si_syncUUID_ndn;
1004 op->o_req_ndn = si->si_syncUUID_ndn;
1005 op->o_tag = LDAP_REQ_DELETE;
1006 rc = be->be_delete( op, &rs );
1009 /* Already deleted otherwise */
1015 LDAP_LOG( OPERATION, ERR,
1016 "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1018 Debug( LDAP_DEBUG_ANY,
1019 "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
1027 if ( si->si_syncUUID_ndn.bv_val ) {
1028 ber_memfree_x( si->si_syncUUID_ndn.bv_val, op->o_tmpmemctx );
1034 syncrepl_del_nonpresent(
1039 Backend* be = op->o_bd;
1041 SlapReply rs = {REP_RESULT};
1042 struct nonpresent_entry *np_list, *np_prev;
1044 op->o_req_dn = si->si_base;
1045 op->o_req_ndn = si->si_base;
1047 cb.sc_response = nonpresent_callback;
1050 op->o_callback = &cb;
1051 op->o_tag = LDAP_REQ_SEARCH;
1052 op->ors_scope = si->si_scope;
1053 op->ors_deref = LDAP_DEREF_NEVER;
1056 op->ors_attrsonly = 0;
1057 op->ors_attrs = NULL;
1058 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
1059 op->ors_filterstr = si->si_filterstr;
1061 op->o_nocaching = 1;
1062 be->be_search( op, &rs );
1063 op->o_nocaching = 0;
1065 if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
1067 if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
1068 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
1069 while ( np_list != NULL ) {
1070 LDAP_LIST_REMOVE( np_list, npe_link );
1072 np_list = LDAP_LIST_NEXT( np_list, npe_link );
1073 op->o_tag = LDAP_REQ_DELETE;
1074 op->o_callback = &cb;
1075 cb.sc_response = null_callback;
1077 op->o_req_dn = *np_prev->npe_name;
1078 op->o_req_ndn = *np_prev->npe_nname;
1079 op->o_bd->be_delete( op, &rs );
1080 ber_bvfree( np_prev->npe_name );
1081 ber_bvfree( np_prev->npe_nname );
1082 op->o_req_dn.bv_val = NULL;
1083 op->o_req_ndn.bv_val = NULL;
1092 static struct berval gcbva[] = {
1103 Backend *be = op->o_bd;
1109 struct berval dn = {0, NULL};
1110 struct berval ndn = {0, NULL};
1112 SlapReply rs = {REP_RESULT};
1115 op->o_tag = LDAP_REQ_ADD;
1116 op->o_callback = &cb;
1117 cb.sc_response = null_callback;
1118 cb.sc_private = NULL;
1123 /* count RDNs in suffix */
1124 if ( be->be_nsuffix[0].bv_len ) {
1125 for (i=0, ptr=be->be_nsuffix[0].bv_val; ptr; ptr=strchr( ptr, ',' )) {
1135 /* Start with BE suffix */
1136 for ( i = 0, ptr = NULL; i < suffrdns; i++ ) {
1137 comma = strrchr(dn.bv_val, ',');
1138 if ( ptr ) *ptr = ',';
1139 if ( comma ) *comma = '\0';
1144 dn.bv_len -= ptr - dn.bv_val;
1147 /* the normalizedDNs are always the same length, no counting
1150 if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
1151 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
1152 ndn.bv_len = be->be_nsuffix[0].bv_len;
1155 while ( ndn.bv_val > e->e_nname.bv_val ) {
1156 glue = (Entry *) ch_calloc( 1, sizeof(Entry) );
1157 ber_dupbv( &glue->e_name, &dn );
1158 ber_dupbv( &glue->e_nname, &ndn );
1160 a = ch_calloc( 1, sizeof( Attribute ));
1161 a->a_desc = slap_schema.si_ad_objectClass;
1163 a->a_vals = ch_calloc( 3, sizeof( struct berval ));
1164 ber_dupbv( &a->a_vals[0], &gcbva[0] );
1165 ber_dupbv( &a->a_vals[1], &gcbva[1] );
1166 a->a_vals[2].bv_len = 0;
1167 a->a_vals[2].bv_val = NULL;
1169 a->a_nvals = a->a_vals;
1171 a->a_next = glue->e_attrs;
1174 a = ch_calloc( 1, sizeof( Attribute ));
1175 a->a_desc = slap_schema.si_ad_structuralObjectClass;
1177 a->a_vals = ch_calloc( 2, sizeof( struct berval ));
1178 ber_dupbv( &a->a_vals[0], &gcbva[1] );
1179 a->a_vals[1].bv_len = 0;
1180 a->a_vals[1].bv_val = NULL;
1182 a->a_nvals = a->a_vals;
1184 a->a_next = glue->e_attrs;
1187 op->o_req_dn = glue->e_name;
1188 op->o_req_ndn = glue->e_nname;
1190 rc = be->be_add ( op, &rs );
1191 if ( rc == LDAP_SUCCESS ) {
1192 be_entry_release_w( op, glue );
1194 /* incl. ALREADY EXIST */
1198 /* Move to next child */
1199 for (ptr = dn.bv_val-2; ptr > e->e_name.bv_val && *ptr != ','; ptr--) {
1202 if ( ptr == e->e_name.bv_val ) break;
1204 dn.bv_len = e->e_name.bv_len - (ptr-e->e_name.bv_val);
1205 for( ptr = ndn.bv_val-2;
1206 ptr > e->e_nname.bv_val && *ptr != ',';
1212 ndn.bv_len = e->e_nname.bv_len - (ptr-e->e_nname.bv_val);
1215 op->o_req_dn = e->e_name;
1216 op->o_req_ndn = e->e_nname;
1218 rc = be->be_add ( op, &rs );
1219 if ( rc == LDAP_SUCCESS ) {
1220 be_entry_release_w( op, e );
1228 static struct berval ocbva[] = {
1230 BER_BVC("subentry"),
1231 BER_BVC("syncConsumerSubentry"),
1235 static struct berval cnbva[] = {
1240 static struct berval ssbva[] = {
1245 static struct berval scbva[] = {
1251 syncrepl_updateCookie(
1255 struct berval *syncCookie
1258 Backend *be = op->o_bd;
1260 Modifications *mlnext;
1262 Modifications *modlist = NULL;
1263 Modifications **modtail = &modlist;
1266 char txtbuf[SLAP_TEXT_BUFLEN];
1267 size_t textlen = sizeof txtbuf;
1272 char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
1273 struct berval slap_syncrepl_dn_bv = BER_BVNULL;
1274 struct berval slap_syncrepl_cn_bv = BER_BVNULL;
1277 SlapReply rs = {REP_RESULT};
1279 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1280 mod->sml_op = LDAP_MOD_REPLACE;
1281 mod->sml_desc = slap_schema.si_ad_objectClass;
1282 mod->sml_type = mod->sml_desc->ad_cname;
1283 mod->sml_bvalues = ocbva;
1285 modtail = &mod->sml_next;
1287 ber_dupbv( &cnbva[0], (struct berval *) &slap_syncrepl_bvc );
1288 assert( si->si_id < 1000 );
1289 cnbva[0].bv_len = snprintf( cnbva[0].bv_val,
1290 slap_syncrepl_bvc.bv_len,
1291 "syncrepl%d", si->si_id );
1292 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1293 mod->sml_op = LDAP_MOD_REPLACE;
1294 mod->sml_desc = slap_schema.si_ad_cn;
1295 mod->sml_type = mod->sml_desc->ad_cname;
1296 mod->sml_bvalues = cnbva;
1298 modtail = &mod->sml_next;
1300 if ( scbva[0].bv_val ) ch_free( scbva[0].bv_val );
1301 ber_dupbv( &scbva[0], syncCookie );
1302 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1303 mod->sml_op = LDAP_MOD_REPLACE;
1304 mod->sml_desc = slap_schema.si_ad_syncreplCookie;
1305 mod->sml_type = mod->sml_desc->ad_cname;
1306 mod->sml_bvalues = scbva;
1308 modtail = &mod->sml_next;
1310 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
1311 mod->sml_op = LDAP_MOD_REPLACE;
1312 mod->sml_desc = slap_schema.si_ad_subtreeSpecification;
1313 mod->sml_type = mod->sml_desc->ad_cname;
1314 mod->sml_bvalues = ssbva;
1316 modtail = &mod->sml_next;
1320 op->o_tag = LDAP_REQ_ADD;
1321 rc = slap_mods_opattrs( op, modlist, modtail,
1322 &text,txtbuf, textlen );
1324 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
1325 ml->sml_op = LDAP_MOD_REPLACE;
1328 if( rc != LDAP_SUCCESS ) {
1330 LDAP_LOG( OPERATION, ERR,
1331 "syncrepl_updateCookie: mods opattrs (%s)\n", text, 0, 0 );
1333 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods opattrs (%s)\n",
1338 e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1340 slap_syncrepl_cn_bv.bv_val = syncrepl_cbuf;
1341 assert( si->si_id < 1000 );
1342 slap_syncrepl_cn_bv.bv_len = snprintf( slap_syncrepl_cn_bv.bv_val,
1343 slap_syncrepl_cn_bvc.bv_len,
1344 "cn=syncrepl%d", si->si_id );
1346 build_new_dn( &slap_syncrepl_dn_bv, pdn, &slap_syncrepl_cn_bv,
1348 ber_dupbv( &e->e_name, &slap_syncrepl_dn_bv );
1349 ber_dupbv( &e->e_nname, &slap_syncrepl_dn_bv );
1351 if ( slap_syncrepl_dn_bv.bv_val ) {
1352 sl_free( slap_syncrepl_dn_bv.bv_val, op->o_tmpmemctx );
1357 rc = slap_mods2entry( modlist, &e, 1, 1, &text, txtbuf, textlen );
1359 if( rc != LDAP_SUCCESS ) {
1361 LDAP_LOG( OPERATION, ERR,
1362 "syncrepl_updateCookie: mods2entry (%s)\n", text, 0, 0 );
1364 Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods2entry (%s)\n",
1369 cb.sc_response = null_callback;
1372 op->o_callback = &cb;
1373 op->o_req_dn = e->e_name;
1374 op->o_req_ndn = e->e_nname;
1376 /* update persistent cookie */
1377 update_cookie_retry:
1378 op->o_tag = LDAP_REQ_MODIFY;
1379 op->orm_modlist = modlist;
1380 rc = be->be_modify( op, &rs );
1382 if ( rc != LDAP_SUCCESS ) {
1383 if ( rc == LDAP_REFERRAL ||
1384 rc == LDAP_NO_SUCH_OBJECT ) {
1385 op->o_tag = LDAP_REQ_ADD;
1387 rc = be->be_add( op, &rs );
1388 if ( rc != LDAP_SUCCESS ) {
1389 if ( rc == LDAP_ALREADY_EXISTS ) {
1390 goto update_cookie_retry;
1391 } else if ( rc == LDAP_REFERRAL ||
1392 rc == LDAP_NO_SUCH_OBJECT ) {
1394 LDAP_LOG( OPERATION, ERR,
1395 "cookie will be non-persistent\n",
1398 Debug( LDAP_DEBUG_ANY,
1399 "cookie will be non-persistent\n",
1404 LDAP_LOG( OPERATION, ERR,
1405 "be_add failed (%d)\n",
1408 Debug( LDAP_DEBUG_ANY,
1409 "be_add failed (%d)\n",
1414 be_entry_release_w( op, e );
1419 LDAP_LOG( OPERATION, ERR,
1420 "be_modify failed (%d)\n", rc, 0, 0 );
1422 Debug( LDAP_DEBUG_ANY,
1423 "be_modify failed (%d)\n", rc, 0, 0 );
1434 if ( cnbva[0].bv_val ) {
1435 ch_free( cnbva[0].bv_val );
1436 cnbva[0].bv_val = NULL;
1438 if ( scbva[0].bv_val ) {
1439 ch_free( scbva[0].bv_val );
1440 scbva[0].bv_val = NULL;
1443 if ( mlnext->sml_next ) {
1444 slap_mods_free( mlnext->sml_next );
1445 mlnext->sml_next = NULL;
1448 for (ml = modlist ; ml != NULL; ml = mlnext ) {
1449 mlnext = ml->sml_next;
1457 avl_ber_bvfree( void *bv )
1462 if ( ((struct berval *)bv)->bv_val != NULL ) {
1463 ch_free ( ((struct berval *)bv)->bv_val );
1465 ch_free ( (char *) bv );
1474 syncinfo_t *si = op->o_callback->sc_private;
1476 if ( rs->sr_type == REP_SEARCH ) {
1477 if ( si->si_syncUUID_ndn.bv_val != NULL ) {
1479 LDAP_LOG( OPERATION, ERR,
1480 "dn_callback : multiple entries match dn\n", 0, 0, 0 );
1482 Debug( LDAP_DEBUG_ANY,
1483 "dn_callback : multiple entries match dn\n", 0, 0, 0 );
1486 ber_dupbv_x( &si->si_syncUUID_ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
1490 return LDAP_SUCCESS;
1494 nonpresent_callback(
1499 syncinfo_t *si = op->o_callback->sc_private;
1502 struct berval* present_uuid = NULL;
1503 struct nonpresent_entry *np_entry;
1505 if ( rs->sr_type == REP_RESULT ) {
1506 count = avl_free( si->si_presentlist, avl_ber_bvfree );
1507 si->si_presentlist = NULL;
1509 } else if ( rs->sr_type == REP_SEARCH ) {
1510 a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
1512 if ( a == NULL ) return 0;
1514 present_uuid = avl_find( si->si_presentlist, &a->a_vals[0],
1517 if ( present_uuid == NULL ) {
1518 np_entry = (struct nonpresent_entry *)
1519 ch_calloc( 1, sizeof( struct nonpresent_entry ));
1520 np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
1521 np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
1522 LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
1525 avl_delete( &si->si_presentlist,
1526 &a->a_vals[0], syncuuid_cmp );
1527 ch_free( present_uuid->bv_val );
1528 ch_free( present_uuid );
1531 return LDAP_SUCCESS;
1540 if ( rs->sr_err != LDAP_SUCCESS &&
1541 rs->sr_err != LDAP_REFERRAL &&
1542 rs->sr_err != LDAP_ALREADY_EXISTS &&
1543 rs->sr_err != LDAP_NO_SUCH_OBJECT )
1546 LDAP_LOG( OPERATION, ERR,
1547 "null_callback : error code 0x%x\n",
1550 Debug( LDAP_DEBUG_ANY,
1551 "null_callback : error code 0x%x\n",
1555 return LDAP_SUCCESS;
1559 slap_create_syncrepl_entry(
1561 struct berval *context_csn,
1570 e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
1572 attr_merge( e, slap_schema.si_ad_objectClass, ocbva, NULL );
1574 attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
1577 attr_merge_one( e, slap_schema.si_ad_cn, cn, NULL );
1579 if ( context_csn ) {
1580 attr_merge_one( e, slap_schema.si_ad_syncreplCookie,
1581 context_csn, NULL );
1585 bv.bv_len = sizeof("{}")-1;
1586 attr_merge_one( e, slap_schema.si_ad_subtreeSpecification, &bv, NULL );
1588 build_new_dn( &e->e_name, &be->be_nsuffix[0], rdn, NULL );
1589 ber_dupbv( &e->e_nname, &e->e_name );