Patrick Welche <prlw1@cam.ac.uk>
[netbsd-mini2440.git] / external / bsd / openldap / dist / servers / slapd / syncrepl.c
blobb1a4725bc96fd197cdb406926a4edcdf502c8a88
1 /* syncrepl.c -- Replication Engine which uses the LDAP Sync protocol */
2 /* $OpenLDAP: pkg/ldap/servers/slapd/syncrepl.c,v 1.254.2.37 2008/07/10 00:52:39 quanah Exp $ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2003-2008 The OpenLDAP Foundation.
6 * Portions Copyright 2003 by IBM Corporation.
7 * Portions Copyright 2003 by Howard Chu, Symas Corporation.
8 * All rights reserved.
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.
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>.
19 #include "portable.h"
21 #include <stdio.h>
23 #include <ac/string.h>
24 #include <ac/socket.h>
26 #include "lutil.h"
27 #include "slap.h"
28 #include "lutil_ldap.h"
30 #include "config.h"
32 #include "ldap_rq.h"
34 struct nonpresent_entry {
35 struct berval *npe_name;
36 struct berval *npe_nname;
37 LDAP_LIST_ENTRY(nonpresent_entry) npe_link;
40 typedef struct cookie_state {
41 ldap_pvt_thread_mutex_t cs_mutex;
42 int cs_num;
43 int cs_age;
44 struct berval *cs_vals;
45 int *cs_sids;
46 } cookie_state;
48 #define SYNCDATA_DEFAULT 0 /* entries are plain LDAP entries */
49 #define SYNCDATA_ACCESSLOG 1 /* entries are accesslog format */
50 #define SYNCDATA_CHANGELOG 2 /* entries are changelog format */
52 #define SYNCLOG_LOGGING 0 /* doing a log-based update */
53 #define SYNCLOG_FALLBACK 1 /* doing a full refresh */
55 #define RETRYNUM_FOREVER (-1) /* retry forever */
56 #define RETRYNUM_TAIL (-2) /* end of retrynum array */
57 #define RETRYNUM_VALID(n) ((n) >= RETRYNUM_FOREVER) /* valid retrynum */
58 #define RETRYNUM_FINITE(n) ((n) > RETRYNUM_FOREVER) /* not forever */
60 typedef struct syncinfo_s {
61 struct syncinfo_s *si_next;
62 BackendDB *si_be;
63 BackendDB *si_wbe;
64 struct re_s *si_re;
65 int si_rid;
66 char si_ridtxt[ STRLENOF("rid=999") + 1 ];
67 slap_bindconf si_bindconf;
68 struct berval si_base;
69 struct berval si_logbase;
70 struct berval si_filterstr;
71 struct berval si_logfilterstr;
72 int si_scope;
73 int si_attrsonly;
74 char *si_anfile;
75 AttributeName *si_anlist;
76 AttributeName *si_exanlist;
77 char **si_attrs;
78 char **si_exattrs;
79 int si_allattrs;
80 int si_allopattrs;
81 int si_schemachecking;
82 int si_type; /* the active type */
83 int si_ctype; /* the configured type */
84 time_t si_interval;
85 time_t *si_retryinterval;
86 int *si_retrynum_init;
87 int *si_retrynum;
88 struct sync_cookie si_syncCookie;
89 cookie_state *si_cookieState;
90 int si_cookieAge;
91 int si_manageDSAit;
92 int si_slimit;
93 int si_tlimit;
94 int si_refreshDelete;
95 int si_refreshPresent;
96 int si_refreshDone;
97 int si_syncdata;
98 int si_logstate;
99 ber_int_t si_msgid;
100 Avlnode *si_presentlist;
101 LDAP *si_ld;
102 Connection *si_conn;
103 LDAP_LIST_HEAD(np, nonpresent_entry) si_nonpresentlist;
104 ldap_pvt_thread_mutex_t si_mutex;
105 } syncinfo_t;
107 static int syncuuid_cmp( const void *, const void * );
108 static int avl_presentlist_insert( syncinfo_t* si, struct berval *syncUUID );
109 static void syncrepl_del_nonpresent( Operation *, syncinfo_t *, BerVarray, struct sync_cookie *, int );
110 static int syncrepl_message_to_op(
111 syncinfo_t *, Operation *, LDAPMessage * );
112 static int syncrepl_message_to_entry(
113 syncinfo_t *, Operation *, LDAPMessage *,
114 Modifications **, Entry **, int );
115 static int syncrepl_entry(
116 syncinfo_t *, Operation*, Entry*,
117 Modifications**,int, struct berval*,
118 struct berval *cookieCSN );
119 static int syncrepl_updateCookie(
120 syncinfo_t *, Operation *, struct berval *,
121 struct sync_cookie * );
122 static struct berval * slap_uuidstr_from_normalized(
123 struct berval *, struct berval *, void * );
125 /* callback functions */
126 static int dn_callback( Operation *, SlapReply * );
127 static int nonpresent_callback( Operation *, SlapReply * );
128 static int null_callback( Operation *, SlapReply * );
130 static AttributeDescription *sync_descs[4];
132 static const char *
133 syncrepl_state2str( int state )
135 switch ( state ) {
136 case LDAP_SYNC_PRESENT:
137 return "PRESENT";
139 case LDAP_SYNC_ADD:
140 return "ADD";
142 case LDAP_SYNC_MODIFY:
143 return "MODIFY";
145 case LDAP_SYNC_DELETE:
146 return "DELETE";
149 return "UNKNOWN";
152 static void
153 init_syncrepl(syncinfo_t *si)
155 int i, j, k, l, n;
156 char **attrs, **exattrs;
158 if ( !sync_descs[0] ) {
159 sync_descs[0] = slap_schema.si_ad_objectClass;
160 sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
161 sync_descs[2] = slap_schema.si_ad_entryCSN;
162 sync_descs[3] = NULL;
165 if ( si->si_allattrs && si->si_allopattrs )
166 attrs = NULL;
167 else
168 attrs = anlist2attrs( si->si_anlist );
170 if ( attrs ) {
171 if ( si->si_allattrs ) {
172 i = 0;
173 while ( attrs[i] ) {
174 if ( !is_at_operational( at_find( attrs[i] ) ) ) {
175 for ( j = i; attrs[j] != NULL; j++ ) {
176 if ( j == i )
177 ch_free( attrs[i] );
178 attrs[j] = attrs[j+1];
180 } else {
181 i++;
184 attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
185 attrs[i] = ch_strdup("*");
186 attrs[i + 1] = NULL;
188 } else if ( si->si_allopattrs ) {
189 i = 0;
190 while ( attrs[i] ) {
191 if ( is_at_operational( at_find( attrs[i] ) ) ) {
192 for ( j = i; attrs[j] != NULL; j++ ) {
193 if ( j == i )
194 ch_free( attrs[i] );
195 attrs[j] = attrs[j+1];
197 } else {
198 i++;
201 attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
202 attrs[i] = ch_strdup("+");
203 attrs[i + 1] = NULL;
206 for ( i = 0; sync_descs[i] != NULL; i++ ) {
207 j = 0;
208 while ( attrs[j] ) {
209 if ( !strcmp( attrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
210 for ( k = j; attrs[k] != NULL; k++ ) {
211 if ( k == j )
212 ch_free( attrs[k] );
213 attrs[k] = attrs[k+1];
215 } else {
216 j++;
221 for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */;
223 if ( si->si_allopattrs ) {
224 attrs = ( char ** ) ch_realloc( attrs, (n + 2)*sizeof( char * ) );
225 } else {
226 attrs = ( char ** ) ch_realloc( attrs, (n + 4)*sizeof( char * ) );
229 /* Add Attributes */
230 if ( si->si_allopattrs ) {
231 attrs[n++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
232 } else {
233 for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
234 attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
237 attrs[ n ] = NULL;
239 } else {
241 i = 0;
242 if ( si->si_allattrs == si->si_allopattrs ) {
243 attrs = (char**) ch_malloc( 3 * sizeof(char*) );
244 attrs[i++] = ch_strdup( "*" );
245 attrs[i++] = ch_strdup( "+" );
246 } else if ( si->si_allattrs && !si->si_allopattrs ) {
247 for ( n = 0; sync_descs[ n ] != NULL; n++ ) ;
248 attrs = (char**) ch_malloc( (n+1)* sizeof(char*) );
249 attrs[i++] = ch_strdup( "*" );
250 for ( j = 1; sync_descs[ j ] != NULL; j++ ) {
251 attrs[i++] = ch_strdup ( sync_descs[j]->ad_cname.bv_val );
253 } else if ( !si->si_allattrs && si->si_allopattrs ) {
254 attrs = (char**) ch_malloc( 3 * sizeof(char*) );
255 attrs[i++] = ch_strdup( "+" );
256 attrs[i++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
258 attrs[i] = NULL;
261 si->si_attrs = attrs;
263 exattrs = anlist2attrs( si->si_exanlist );
265 if ( exattrs ) {
266 for ( n = 0; exattrs[n] != NULL; n++ ) ;
268 for ( i = 0; sync_descs[i] != NULL; i++ ) {
269 j = 0;
270 while ( exattrs[j] != NULL ) {
271 if ( !strcmp( exattrs[j], sync_descs[i]->ad_cname.bv_val ) ) {
272 ch_free( exattrs[j] );
273 for ( k = j; exattrs[k] != NULL; k++ ) {
274 exattrs[k] = exattrs[k+1];
276 } else {
277 j++;
282 for ( i = 0; exattrs[i] != NULL; i++ ) {
283 for ( j = 0; si->si_anlist[j].an_name.bv_val; j++ ) {
284 ObjectClass *oc;
285 if ( ( oc = si->si_anlist[j].an_oc ) ) {
286 k = 0;
287 while ( oc->soc_required[k] ) {
288 if ( !strcmp( exattrs[i],
289 oc->soc_required[k]->sat_cname.bv_val ) ) {
290 ch_free( exattrs[i] );
291 for ( l = i; exattrs[l]; l++ ) {
292 exattrs[l] = exattrs[l+1];
294 } else {
295 k++;
302 for ( i = 0; exattrs[i] != NULL; i++ ) ;
304 if ( i != n )
305 exattrs = (char **) ch_realloc( exattrs, (i + 1)*sizeof(char *) );
308 si->si_exattrs = exattrs;
311 typedef struct logschema {
312 struct berval ls_dn;
313 struct berval ls_req;
314 struct berval ls_mod;
315 struct berval ls_newRdn;
316 struct berval ls_delRdn;
317 struct berval ls_newSup;
318 } logschema;
320 static logschema changelog_sc = {
321 BER_BVC("targetDN"),
322 BER_BVC("changeType"),
323 BER_BVC("changes"),
324 BER_BVC("newRDN"),
325 BER_BVC("deleteOldRDN"),
326 BER_BVC("newSuperior")
329 static logschema accesslog_sc = {
330 BER_BVC("reqDN"),
331 BER_BVC("reqType"),
332 BER_BVC("reqMod"),
333 BER_BVC("reqNewRDN"),
334 BER_BVC("reqDeleteOldRDN"),
335 BER_BVC("reqNewSuperior")
338 static int
339 ldap_sync_search(
340 syncinfo_t *si,
341 void *ctx )
343 BerElementBuffer berbuf;
344 BerElement *ber = (BerElement *)&berbuf;
345 LDAPControl c[2], *ctrls[3];
346 int rc;
347 int rhint;
348 char *base;
349 char **attrs, *lattrs[8];
350 char *filter;
351 int attrsonly;
352 int scope;
354 /* setup LDAP SYNC control */
355 ber_init2( ber, NULL, LBER_USE_DER );
356 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
358 /* If we're using a log but we have no state, then fallback to
359 * normal mode for a full refresh.
361 if ( si->si_syncdata && !si->si_syncCookie.numcsns ) {
362 si->si_logstate = SYNCLOG_FALLBACK;
365 /* Use the log parameters if we're in log mode */
366 if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
367 logschema *ls;
368 if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
369 ls = &accesslog_sc;
370 else
371 ls = &changelog_sc;
372 lattrs[0] = ls->ls_dn.bv_val;
373 lattrs[1] = ls->ls_req.bv_val;
374 lattrs[2] = ls->ls_mod.bv_val;
375 lattrs[3] = ls->ls_newRdn.bv_val;
376 lattrs[4] = ls->ls_delRdn.bv_val;
377 lattrs[5] = ls->ls_newSup.bv_val;
378 lattrs[6] = slap_schema.si_ad_entryCSN->ad_cname.bv_val;
379 lattrs[7] = NULL;
381 rhint = 0;
382 base = si->si_logbase.bv_val;
383 filter = si->si_logfilterstr.bv_val;
384 attrs = lattrs;
385 attrsonly = 0;
386 scope = LDAP_SCOPE_SUBTREE;
387 } else {
388 rhint = 1;
389 base = si->si_base.bv_val;
390 filter = si->si_filterstr.bv_val;
391 attrs = si->si_attrs;
392 attrsonly = si->si_attrsonly;
393 scope = si->si_scope;
395 if ( si->si_syncdata && si->si_logstate == SYNCLOG_FALLBACK ) {
396 si->si_type = LDAP_SYNC_REFRESH_ONLY;
397 } else {
398 si->si_type = si->si_ctype;
401 if ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) )
403 ber_printf( ber, "{eOb}",
404 abs(si->si_type), &si->si_syncCookie.octet_str, rhint );
405 } else {
406 ber_printf( ber, "{eb}",
407 abs(si->si_type), rhint );
410 if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 ) ) == LBER_ERROR ) {
411 ber_free_buf( ber );
412 return rc;
415 c[0].ldctl_oid = LDAP_CONTROL_SYNC;
416 c[0].ldctl_iscritical = si->si_type < 0;
417 ctrls[0] = &c[0];
419 if ( !BER_BVISNULL( &si->si_bindconf.sb_authzId ) ) {
420 c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
421 c[1].ldctl_value = si->si_bindconf.sb_authzId;
422 c[1].ldctl_iscritical = 1;
423 ctrls[1] = &c[1];
424 ctrls[2] = NULL;
425 } else {
426 ctrls[1] = NULL;
429 rc = ldap_search_ext( si->si_ld, base, scope, filter, attrs, attrsonly,
430 ctrls, NULL, NULL, si->si_slimit, &si->si_msgid );
431 ber_free_buf( ber );
432 return rc;
435 static int
436 check_syncprov(
437 Operation *op,
438 syncinfo_t *si )
440 AttributeName at[2];
441 Attribute a = {0};
442 Entry e = {0};
443 SlapReply rs = {0};
444 int i, j, changed = 0;
446 /* Look for contextCSN from syncprov overlay. If
447 * there's no overlay, this will be a no-op. That means
448 * this is a pure consumer, so local changes will not be
449 * allowed, and all changes will already be reflected in
450 * the cookieState.
452 a.a_desc = slap_schema.si_ad_contextCSN;
453 e.e_attrs = &a;
454 e.e_name = op->o_bd->be_suffix[0];
455 e.e_nname = op->o_bd->be_nsuffix[0];
456 at[0].an_name = a.a_desc->ad_cname;
457 at[0].an_desc = a.a_desc;
458 BER_BVZERO( &at[1].an_name );
459 rs.sr_entry = &e;
460 rs.sr_flags = REP_ENTRY_MODIFIABLE;
461 rs.sr_attrs = at;
462 op->o_req_dn = e.e_name;
463 op->o_req_ndn = e.e_nname;
465 ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
466 i = backend_operational( op, &rs );
467 if ( i == LDAP_SUCCESS && a.a_nvals ) {
468 int num = a.a_numvals;
469 /* check for differences */
470 if ( num != si->si_cookieState->cs_num ) {
471 changed = 1;
472 } else {
473 for ( i=0; i<num; i++ ) {
474 if ( ber_bvcmp( &a.a_nvals[i],
475 &si->si_cookieState->cs_vals[i] )) {
476 changed =1;
477 break;
481 if ( changed ) {
482 ber_bvarray_free( si->si_cookieState->cs_vals );
483 ch_free( si->si_cookieState->cs_sids );
484 si->si_cookieState->cs_num = num;
485 si->si_cookieState->cs_vals = a.a_nvals;
486 si->si_cookieState->cs_sids = slap_parse_csn_sids( a.a_nvals,
487 num, NULL );
488 si->si_cookieState->cs_age++;
489 } else {
490 ber_bvarray_free( a.a_nvals );
492 ber_bvarray_free( a.a_vals );
494 /* See if the cookieState has changed due to anything outside
495 * this particular consumer. That includes other consumers in
496 * the same context, or local changes detected above.
498 if ( si->si_cookieState->cs_num > 0 && si->si_cookieAge !=
499 si->si_cookieState->cs_age ) {
500 if ( !si->si_syncCookie.numcsns ) {
501 ber_bvarray_free( si->si_syncCookie.ctxcsn );
502 ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
503 si->si_cookieState->cs_vals, NULL );
504 changed = 1;
505 } else {
506 for (i=0; !BER_BVISNULL( &si->si_syncCookie.ctxcsn[i] ); i++) {
507 /* bogus, just dup everything */
508 if ( si->si_syncCookie.sids[i] == -1 ) {
509 ber_bvarray_free( si->si_syncCookie.ctxcsn );
510 ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
511 si->si_cookieState->cs_vals, NULL );
512 changed = 1;
513 break;
515 for (j=0; j<si->si_cookieState->cs_num; j++) {
516 if ( si->si_syncCookie.sids[i] !=
517 si->si_cookieState->cs_sids[j] )
518 continue;
519 if ( bvmatch( &si->si_syncCookie.ctxcsn[i],
520 &si->si_cookieState->cs_vals[j] ))
521 break;
522 ber_bvreplace( &si->si_syncCookie.ctxcsn[i],
523 &si->si_cookieState->cs_vals[j] );
524 changed = 1;
525 break;
530 if ( changed ) {
531 si->si_cookieAge = si->si_cookieState->cs_age;
532 ch_free( si->si_syncCookie.octet_str.bv_val );
533 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
534 si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
535 si->si_syncCookie.sid );
537 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
538 return changed;
541 static int
542 do_syncrep1(
543 Operation *op,
544 syncinfo_t *si )
546 int rc;
547 int cmdline_cookie_found = 0;
549 struct sync_cookie *sc = NULL;
550 #ifdef HAVE_TLS
551 void *ssl;
552 #endif
554 rc = slap_client_connect( &si->si_ld, &si->si_bindconf );
555 if ( rc != LDAP_SUCCESS ) {
556 goto done;
558 op->o_protocol = LDAP_VERSION3;
560 /* Set SSF to strongest of TLS, SASL SSFs */
561 op->o_sasl_ssf = 0;
562 op->o_tls_ssf = 0;
563 op->o_transport_ssf = 0;
564 #ifdef HAVE_TLS
565 if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
566 == LDAP_SUCCESS && ssl != NULL )
568 op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
570 #endif /* HAVE_TLS */
572 ber_len_t ssf; /* ITS#5403, 3864 LDAP_OPT_X_SASL_SSF probably ought
573 to use sasl_ssf_t but currently uses ber_len_t */
574 ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &ssf );
575 op->o_sasl_ssf = ssf;
577 op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
578 ? op->o_sasl_ssf : op->o_tls_ssf;
580 ldap_set_option( si->si_ld, LDAP_OPT_TIMELIMIT, &si->si_tlimit );
582 si->si_syncCookie.rid = si->si_rid;
584 /* whenever there are multiple data sources possible, advertise sid */
585 si->si_syncCookie.sid = ( SLAP_MULTIMASTER( si->si_be ) || si->si_be != si->si_wbe ) ?
586 slap_serverID : -1;
588 /* We've just started up, or the remote server hasn't sent us
589 * any meaningful state.
591 if ( BER_BVISNULL( &si->si_syncCookie.octet_str ) ) {
592 int i;
594 LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
595 if ( si->si_rid == sc->rid ) {
596 cmdline_cookie_found = 1;
597 break;
601 if ( cmdline_cookie_found ) {
602 /* cookie is supplied in the command line */
604 LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
606 /* ctxcsn wasn't parsed yet, do it now */
607 slap_parse_sync_cookie( sc, op->o_tmpmemctx );
608 slap_sync_cookie_free( &si->si_syncCookie, 0 );
609 slap_dup_sync_cookie( &si->si_syncCookie, sc );
610 slap_sync_cookie_free( sc, 1 );
611 } else {
612 ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
613 if ( !si->si_cookieState->cs_num ) {
614 /* get contextCSN shadow replica from database */
615 BerVarray csn = NULL;
616 void *ctx = op->o_tmpmemctx;
618 op->o_req_ndn = op->o_bd->be_nsuffix[0];
619 op->o_req_dn = op->o_req_ndn;
621 /* try to read stored contextCSN */
622 op->o_tmpmemctx = NULL;
623 backend_attribute( op, NULL, &op->o_req_ndn,
624 slap_schema.si_ad_contextCSN, &csn, ACL_READ );
625 op->o_tmpmemctx = ctx;
626 if ( csn ) {
627 si->si_cookieState->cs_vals = csn;
628 for (i=0; !BER_BVISNULL( &csn[i] ); i++);
629 si->si_cookieState->cs_num = i;
630 si->si_cookieState->cs_sids = slap_parse_csn_sids( csn, i, NULL );
633 if ( si->si_cookieState->cs_num ) {
634 ber_bvarray_free( si->si_syncCookie.ctxcsn );
635 if ( ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
636 si->si_cookieState->cs_vals, NULL )) {
637 rc = LDAP_NO_MEMORY;
638 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
639 goto done;
641 si->si_syncCookie.numcsns = si->si_cookieState->cs_num;
642 si->si_syncCookie.sids = ch_malloc( si->si_cookieState->cs_num *
643 sizeof(int) );
644 for ( i=0; i<si->si_syncCookie.numcsns; i++ )
645 si->si_syncCookie.sids[i] = si->si_cookieState->cs_sids[i];
647 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
650 slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
651 si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
652 si->si_syncCookie.sid );
653 } else {
654 /* Look for contextCSN from syncprov overlay. */
655 check_syncprov( op, si );
658 si->si_refreshDone = 0;
660 rc = ldap_sync_search( si, op->o_tmpmemctx );
662 if( rc != LDAP_SUCCESS ) {
663 Debug( LDAP_DEBUG_ANY, "do_syncrep1: %s "
664 "ldap_search_ext: %s (%d)\n",
665 si->si_ridtxt, ldap_err2string( rc ), rc );
668 done:
669 if ( rc ) {
670 if ( si->si_ld ) {
671 ldap_unbind_ext( si->si_ld, NULL, NULL );
672 si->si_ld = NULL;
676 return rc;
679 static int
680 compare_csns( struct sync_cookie *sc1, struct sync_cookie *sc2, int *which )
682 int i, j, match = 0;
683 const char *text;
685 *which = 0;
687 if ( sc1->numcsns < sc2->numcsns ) {
688 *which = sc1->numcsns;
689 return -1;
692 for (j=0; j<sc2->numcsns; j++) {
693 for (i=0; i<sc1->numcsns; i++) {
694 if ( sc1->sids[i] != sc2->sids[j] )
695 continue;
696 value_match( &match, slap_schema.si_ad_entryCSN,
697 slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
698 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
699 &sc1->ctxcsn[i], &sc2->ctxcsn[j], &text );
700 if ( match < 0 ) {
701 *which = j;
702 return match;
704 break;
706 if ( i == sc1->numcsns ) {
707 /* sc2 has a sid sc1 lacks */
708 *which = j;
709 return -1;
712 return match;
715 #define SYNC_PAUSED -3
717 static int
718 do_syncrep2(
719 Operation *op,
720 syncinfo_t *si )
722 LDAPControl **rctrls = NULL;
723 LDAPControl *rctrlp;
725 BerElementBuffer berbuf;
726 BerElement *ber = (BerElement *)&berbuf;
728 LDAPMessage *msg = NULL;
730 char *retoid = NULL;
731 struct berval *retdata = NULL;
733 Entry *entry = NULL;
735 int syncstate;
736 struct berval syncUUID = BER_BVNULL;
737 struct sync_cookie syncCookie = { NULL };
738 struct sync_cookie syncCookie_req = { NULL };
739 struct berval cookie = BER_BVNULL;
741 int rc,
742 err = LDAP_SUCCESS;
743 ber_len_t len;
745 struct berval *psub;
746 Modifications *modlist = NULL;
748 int match, m;
750 struct timeval *tout_p = NULL;
751 struct timeval tout = { 0, 0 };
753 int refreshDeletes = 0;
754 BerVarray syncUUIDs = NULL;
755 ber_tag_t si_tag;
757 if ( slapd_shutdown ) {
758 rc = -2;
759 goto done;
762 ber_init2( ber, NULL, LBER_USE_DER );
763 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
765 Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2 %s\n", si->si_ridtxt, 0, 0 );
767 psub = &si->si_be->be_nsuffix[0];
769 slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
771 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
772 tout_p = &tout;
773 } else {
774 tout_p = NULL;
777 while ( ( rc = ldap_result( si->si_ld, si->si_msgid, LDAP_MSG_ONE,
778 tout_p, &msg ) ) > 0 )
780 if ( slapd_shutdown ) {
781 rc = -2;
782 goto done;
784 switch( ldap_msgtype( msg ) ) {
785 case LDAP_RES_SEARCH_ENTRY:
786 ldap_get_entry_controls( si->si_ld, msg, &rctrls );
787 /* we can't work without the control */
788 rctrlp = NULL;
789 if ( rctrls ) {
790 LDAPControl **next;
791 /* NOTE: make sure we use the right one;
792 * a better approach would be to run thru
793 * the whole list and take care of all */
794 rctrlp = ldap_control_find( LDAP_CONTROL_SYNC_STATE, rctrls, &next );
795 if ( next && ldap_control_find( LDAP_CONTROL_SYNC_STATE, next, NULL ) )
797 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
798 "got search entry with multiple "
799 "Sync State control\n", si->si_ridtxt, 0, 0 );
800 rc = -1;
801 goto done;
804 if ( rctrlp == NULL ) {
805 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
806 "got search entry without "
807 "Sync State control\n", si->si_ridtxt, 0, 0 );
808 rc = -1;
809 goto done;
811 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
812 ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
813 /* FIXME: what if syncUUID is NULL or empty?
814 * (happens with back-sql...) */
815 if ( BER_BVISEMPTY( &syncUUID ) ) {
816 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
817 "got empty syncUUID with LDAP_SYNC_%s\n",
818 si->si_ridtxt,
819 syncrepl_state2str( syncstate ), 0 );
820 ldap_controls_free( rctrls );
821 rc = -1;
822 goto done;
824 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
825 ber_scanf( ber, /*"{"*/ "m}", &cookie );
827 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
828 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
830 if ( !BER_BVISNULL( &cookie ) ) {
831 ch_free( syncCookie.octet_str.bv_val );
832 ber_dupbv( &syncCookie.octet_str, &cookie );
834 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
836 slap_parse_sync_cookie( &syncCookie, NULL );
837 if ( syncCookie.ctxcsn ) {
838 int i, sid = slap_parse_csn_sid( syncCookie.ctxcsn );
839 for ( i =0; i<si->si_cookieState->cs_num; i++ ) {
840 if ( si->si_cookieState->cs_sids[i] == sid &&
841 ber_bvcmp( syncCookie.ctxcsn, &si->si_cookieState->cs_vals[i] ) <= 0 ) {
842 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s CSN too old, ignoring %s\n",
843 si->si_ridtxt, syncCookie.ctxcsn->bv_val, 0 );
844 ldap_controls_free( rctrls );
845 rc = 0;
846 goto done;
852 rc = 0;
853 if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
854 modlist = NULL;
855 if ( ( rc = syncrepl_message_to_op( si, op, msg ) ) == LDAP_SUCCESS &&
856 syncCookie.ctxcsn )
858 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
859 } else switch ( rc ) {
860 case LDAP_ALREADY_EXISTS:
861 case LDAP_NO_SUCH_OBJECT:
862 case LDAP_NO_SUCH_ATTRIBUTE:
863 case LDAP_TYPE_OR_VALUE_EXISTS:
864 rc = LDAP_SYNC_REFRESH_REQUIRED;
865 si->si_logstate = SYNCLOG_FALLBACK;
866 ldap_abandon_ext( si->si_ld, si->si_msgid, NULL, NULL );
867 break;
868 default:
869 break;
871 } else if ( ( rc = syncrepl_message_to_entry( si, op, msg,
872 &modlist, &entry, syncstate ) ) == LDAP_SUCCESS )
874 if ( ( rc = syncrepl_entry( si, op, entry, &modlist,
875 syncstate, &syncUUID, syncCookie.ctxcsn ) ) == LDAP_SUCCESS &&
876 syncCookie.ctxcsn )
878 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
881 ldap_controls_free( rctrls );
882 if ( modlist ) {
883 slap_mods_free( modlist, 1 );
885 if ( rc )
886 goto done;
887 break;
889 case LDAP_RES_SEARCH_REFERENCE:
890 Debug( LDAP_DEBUG_ANY,
891 "do_syncrep2: %s reference received error\n",
892 si->si_ridtxt, 0, 0 );
893 break;
895 case LDAP_RES_SEARCH_RESULT:
896 Debug( LDAP_DEBUG_SYNC,
897 "do_syncrep2: %s LDAP_RES_SEARCH_RESULT\n",
898 si->si_ridtxt, 0, 0 );
899 ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
900 &rctrls, 0 );
901 #ifdef LDAP_X_SYNC_REFRESH_REQUIRED
902 if ( err == LDAP_X_SYNC_REFRESH_REQUIRED ) {
903 /* map old result code to registered code */
904 err = LDAP_SYNC_REFRESH_REQUIRED;
906 #endif
907 if ( err == LDAP_SYNC_REFRESH_REQUIRED ) {
908 if ( si->si_logstate == SYNCLOG_LOGGING ) {
909 si->si_logstate = SYNCLOG_FALLBACK;
911 rc = err;
912 goto done;
914 if ( rctrls ) {
915 rctrlp = *rctrls;
916 ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
918 ber_scanf( ber, "{" /*"}"*/);
919 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
920 ber_scanf( ber, "m", &cookie );
922 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
923 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
925 if ( !BER_BVISNULL( &cookie ) ) {
926 ch_free( syncCookie.octet_str.bv_val );
927 ber_dupbv( &syncCookie.octet_str, &cookie);
929 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
931 slap_parse_sync_cookie( &syncCookie, NULL );
934 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
936 ber_scanf( ber, "b", &refreshDeletes );
938 ber_scanf( ber, /*"{"*/ "}" );
940 if ( SLAP_MULTIMASTER( op->o_bd ) && check_syncprov( op, si )) {
941 slap_sync_cookie_free( &syncCookie_req, 0 );
942 slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
944 if ( !syncCookie.ctxcsn ) {
945 match = 1;
946 } else if ( !syncCookie_req.ctxcsn ) {
947 match = -1;
948 m = 0;
949 } else {
950 match = compare_csns( &syncCookie_req, &syncCookie, &m );
952 if ( rctrls ) {
953 ldap_controls_free( rctrls );
955 if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
956 /* FIXME : different error behaviors according to
957 * 1) err code : LDAP_BUSY ...
958 * 2) on err policy : stop service, stop sync, retry
960 if ( refreshDeletes == 0 && match < 0 &&
961 err == LDAP_SUCCESS &&
962 syncCookie_req.numcsns == syncCookie.numcsns )
964 syncrepl_del_nonpresent( op, si, NULL,
965 &syncCookie, m );
966 } else {
967 avl_free( si->si_presentlist, ch_free );
968 si->si_presentlist = NULL;
971 if ( syncCookie.ctxcsn && match < 0 && err == LDAP_SUCCESS )
973 rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
975 if ( err == LDAP_SUCCESS
976 && si->si_logstate == SYNCLOG_FALLBACK ) {
977 si->si_logstate = SYNCLOG_LOGGING;
978 rc = LDAP_SYNC_REFRESH_REQUIRED;
979 } else {
980 rc = -2;
982 goto done;
983 break;
985 case LDAP_RES_INTERMEDIATE:
986 rc = ldap_parse_intermediate( si->si_ld, msg,
987 &retoid, &retdata, NULL, 0 );
988 if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
989 ber_init2( ber, retdata, LBER_USE_DER );
991 switch ( si_tag = ber_peek_tag( ber, &len ) ) {
992 ber_tag_t tag;
993 case LDAP_TAG_SYNC_NEW_COOKIE:
994 Debug( LDAP_DEBUG_SYNC,
995 "do_syncrep2: %s %s - %s\n",
996 si->si_ridtxt,
997 "LDAP_RES_INTERMEDIATE",
998 "NEW_COOKIE" );
999 ber_scanf( ber, "tm", &tag, &cookie );
1000 break;
1001 case LDAP_TAG_SYNC_REFRESH_DELETE:
1002 case LDAP_TAG_SYNC_REFRESH_PRESENT:
1003 Debug( LDAP_DEBUG_SYNC,
1004 "do_syncrep2: %s %s - %s\n",
1005 si->si_ridtxt,
1006 "LDAP_RES_INTERMEDIATE",
1007 si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ?
1008 "REFRESH_PRESENT" : "REFRESH_DELETE" );
1009 if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) {
1010 si->si_refreshDelete = 1;
1011 } else {
1012 si->si_refreshPresent = 1;
1014 ber_scanf( ber, "t{" /*"}"*/, &tag );
1015 if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
1017 ber_scanf( ber, "m", &cookie );
1019 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
1020 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
1022 if ( !BER_BVISNULL( &cookie ) ) {
1023 ch_free( syncCookie.octet_str.bv_val );
1024 ber_dupbv( &syncCookie.octet_str, &cookie );
1026 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
1028 slap_parse_sync_cookie( &syncCookie, NULL );
1031 /* Defaults to TRUE */
1032 if ( ber_peek_tag( ber, &len ) ==
1033 LDAP_TAG_REFRESHDONE )
1035 ber_scanf( ber, "b", &si->si_refreshDone );
1036 } else
1038 si->si_refreshDone = 1;
1040 ber_scanf( ber, /*"{"*/ "}" );
1041 break;
1042 case LDAP_TAG_SYNC_ID_SET:
1043 Debug( LDAP_DEBUG_SYNC,
1044 "do_syncrep2: %s %s - %s\n",
1045 si->si_ridtxt,
1046 "LDAP_RES_INTERMEDIATE",
1047 "SYNC_ID_SET" );
1048 ber_scanf( ber, "t{" /*"}"*/, &tag );
1049 if ( ber_peek_tag( ber, &len ) ==
1050 LDAP_TAG_SYNC_COOKIE )
1052 ber_scanf( ber, "m", &cookie );
1054 Debug( LDAP_DEBUG_SYNC, "do_syncrep2: cookie=%s\n",
1055 BER_BVISNULL( &cookie ) ? "" : cookie.bv_val, 0, 0 );
1057 if ( !BER_BVISNULL( &cookie ) ) {
1058 ch_free( syncCookie.octet_str.bv_val );
1059 ber_dupbv( &syncCookie.octet_str, &cookie );
1061 if ( !BER_BVISNULL( &syncCookie.octet_str ) )
1063 slap_parse_sync_cookie( &syncCookie, NULL );
1064 compare_csns( &syncCookie_req, &syncCookie, &m );
1067 if ( ber_peek_tag( ber, &len ) ==
1068 LDAP_TAG_REFRESHDELETES )
1070 ber_scanf( ber, "b", &refreshDeletes );
1072 ber_scanf( ber, "[W]", &syncUUIDs );
1073 ber_scanf( ber, /*"{"*/ "}" );
1074 if ( refreshDeletes ) {
1075 syncrepl_del_nonpresent( op, si, syncUUIDs,
1076 &syncCookie, m );
1077 ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx );
1078 } else {
1079 int i;
1080 for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) {
1081 (void)avl_presentlist_insert( si, &syncUUIDs[i] );
1082 slap_sl_free( syncUUIDs[i].bv_val, op->o_tmpmemctx );
1084 slap_sl_free( syncUUIDs, op->o_tmpmemctx );
1086 slap_sync_cookie_free( &syncCookie, 0 );
1087 break;
1088 default:
1089 Debug( LDAP_DEBUG_ANY,
1090 "do_syncrep2: %s unknown syncinfo tag (%ld)\n",
1091 si->si_ridtxt, (long) si_tag, 0 );
1092 ldap_memfree( retoid );
1093 ber_bvfree( retdata );
1094 continue;
1097 if ( SLAP_MULTIMASTER( op->o_bd ) && check_syncprov( op, si )) {
1098 slap_sync_cookie_free( &syncCookie_req, 0 );
1099 slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
1101 if ( !syncCookie.ctxcsn ) {
1102 match = 1;
1103 } else if ( !syncCookie_req.ctxcsn ) {
1104 match = -1;
1105 m = 0;
1106 } else {
1107 match = compare_csns( &syncCookie_req, &syncCookie, &m );
1110 if ( match < 0 ) {
1111 if ( si->si_refreshPresent == 1 &&
1112 syncCookie_req.numcsns == syncCookie.numcsns ) {
1113 syncrepl_del_nonpresent( op, si, NULL,
1114 &syncCookie, m );
1117 if ( syncCookie.ctxcsn )
1119 rc = syncrepl_updateCookie( si, op, psub, &syncCookie);
1123 ldap_memfree( retoid );
1124 ber_bvfree( retdata );
1125 break;
1127 } else {
1128 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1129 "unknown intermediate response (%d)\n",
1130 si->si_ridtxt, rc, 0 );
1131 ldap_memfree( retoid );
1132 ber_bvfree( retdata );
1133 break;
1135 break;
1137 default:
1138 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s "
1139 "unknown message (0x%02lx)\n",
1140 si->si_ridtxt,
1141 (unsigned long)ldap_msgtype( msg ), 0 );
1142 break;
1145 if ( !BER_BVISNULL( &syncCookie.octet_str ) ) {
1146 slap_sync_cookie_free( &syncCookie_req, 0 );
1147 slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
1148 slap_sync_cookie_free( &syncCookie, 0 );
1150 ldap_msgfree( msg );
1151 msg = NULL;
1152 if ( ldap_pvt_thread_pool_pausing( &connection_pool )) {
1153 slap_sync_cookie_free( &syncCookie, 0 );
1154 slap_sync_cookie_free( &syncCookie_req, 0 );
1155 return SYNC_PAUSED;
1159 if ( rc == -1 ) {
1160 ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
1161 err = rc;
1164 done:
1165 if ( err != LDAP_SUCCESS ) {
1166 Debug( LDAP_DEBUG_ANY,
1167 "do_syncrep2: %s (%d) %s\n",
1168 si->si_ridtxt, err, ldap_err2string( err ) );
1171 slap_sync_cookie_free( &syncCookie, 0 );
1172 slap_sync_cookie_free( &syncCookie_req, 0 );
1174 if ( msg ) ldap_msgfree( msg );
1176 if ( rc && rc != LDAP_SYNC_REFRESH_REQUIRED && si->si_ld ) {
1177 if ( si->si_conn ) {
1178 connection_client_stop( si->si_conn );
1179 si->si_conn = NULL;
1181 ldap_unbind_ext( si->si_ld, NULL, NULL );
1182 si->si_ld = NULL;
1185 return rc;
1188 static void *
1189 do_syncrepl(
1190 void *ctx,
1191 void *arg )
1193 struct re_s* rtask = arg;
1194 syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
1195 Connection conn = {0};
1196 OperationBuffer opbuf;
1197 Operation *op;
1198 int rc = LDAP_SUCCESS;
1199 int dostop = 0, do_setup = 0;
1200 ber_socket_t s;
1201 int i, defer = 1, fail = 0;
1202 Backend *be;
1204 Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl %s\n", si->si_ridtxt, 0, 0 );
1206 if ( si == NULL )
1207 return NULL;
1209 /* There will never be more than one instance active */
1210 ldap_pvt_thread_mutex_lock( &si->si_mutex );
1212 switch( abs( si->si_type ) ) {
1213 case LDAP_SYNC_REFRESH_ONLY:
1214 case LDAP_SYNC_REFRESH_AND_PERSIST:
1215 break;
1216 default:
1217 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1218 return NULL;
1221 if ( slapd_shutdown ) {
1222 if ( si->si_ld ) {
1223 if ( si->si_conn ) {
1224 connection_client_stop( si->si_conn );
1225 si->si_conn = NULL;
1227 ldap_unbind_ext( si->si_ld, NULL, NULL );
1228 si->si_ld = NULL;
1230 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1231 return NULL;
1234 connection_fake_init( &conn, &opbuf, ctx );
1235 op = &opbuf.ob_op;
1237 /* use global malloc for now */
1238 op->o_tmpmemctx = NULL;
1239 op->o_tmpmfuncs = &ch_mfuncs;
1241 op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
1242 be = si->si_be;
1244 /* Coordinate contextCSN updates with any syncprov overlays
1245 * in use. This may be complicated by the use of the glue
1246 * overlay.
1248 * Typically there is a single syncprov mastering the entire
1249 * glued tree. In that case, our contextCSN updates should
1250 * go to the master DB. But if there is no syncprov on the
1251 * master DB, then nothing special is needed here.
1253 * Alternatively, there may be individual syncprov overlays
1254 * on each glued branch. In that case, each syncprov only
1255 * knows about changes within its own branch. And so our
1256 * contextCSN updates should only go to the local DB.
1258 if ( !si->si_wbe ) {
1259 if ( SLAP_GLUE_SUBORDINATE( be ) && !overlay_is_inst( be, "syncprov" )) {
1260 BackendDB * top_be = select_backend( &be->be_nsuffix[0], 1 );
1261 if ( overlay_is_inst( top_be, "syncprov" ))
1262 si->si_wbe = select_backend( &be->be_nsuffix[0], 1 );
1263 else
1264 si->si_wbe = be;
1265 } else {
1266 si->si_wbe = be;
1269 if ( !si->si_schemachecking )
1270 op->o_no_schema_check = 1;
1272 /* Establish session, do search */
1273 if ( !si->si_ld ) {
1274 si->si_refreshDelete = 0;
1275 si->si_refreshPresent = 0;
1277 /* use main DB when retrieving contextCSN */
1278 op->o_bd = si->si_wbe;
1279 op->o_dn = op->o_bd->be_rootdn;
1280 op->o_ndn = op->o_bd->be_rootndn;
1281 rc = do_syncrep1( op, si );
1284 reload:
1285 /* Process results */
1286 if ( rc == LDAP_SUCCESS ) {
1287 ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
1289 /* use current DB */
1290 op->o_bd = be;
1291 op->o_dn = op->o_bd->be_rootdn;
1292 op->o_ndn = op->o_bd->be_rootndn;
1293 rc = do_syncrep2( op, si );
1294 if ( rc == LDAP_SYNC_REFRESH_REQUIRED ) {
1295 rc = ldap_sync_search( si, op->o_tmpmemctx );
1296 goto reload;
1299 /* We got deleted while running on cn=config */
1300 if ( !si->si_ctype ) {
1301 if ( si->si_conn )
1302 dostop = 1;
1303 rc = -1;
1306 if ( rc != SYNC_PAUSED ) {
1307 if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
1308 /* If we succeeded, enable the connection for further listening.
1309 * If we failed, tear down the connection and reschedule.
1311 if ( rc == LDAP_SUCCESS ) {
1312 if ( si->si_conn ) {
1313 connection_client_enable( si->si_conn );
1314 goto success;
1315 } else {
1316 do_setup = 1;
1318 } else if ( si->si_conn ) {
1319 dostop = 1;
1321 } else {
1322 if ( rc == -2 ) rc = 0;
1327 /* At this point, we have 5 cases:
1328 * 1) for any hard failure, give up and remove this task
1329 * 2) for ServerDown, reschedule this task to run later
1330 * 3) for threadpool pause, reschedule to run immediately
1331 * 4) for Refresh and Success, reschedule to run
1332 * 5) for Persist and Success, reschedule to defer
1334 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
1336 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask ) ) {
1337 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
1340 if ( dostop ) {
1341 connection_client_stop( si->si_conn );
1342 si->si_conn = NULL;
1345 if ( rc == SYNC_PAUSED ) {
1346 rtask->interval.tv_sec = 0;
1347 ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1348 rc = 0;
1349 } else if ( rc == LDAP_SUCCESS ) {
1350 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
1351 defer = 0;
1353 rtask->interval.tv_sec = si->si_interval;
1354 ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
1355 if ( si->si_retrynum ) {
1356 for ( i = 0; si->si_retrynum_init[i] != RETRYNUM_TAIL; i++ ) {
1357 si->si_retrynum[i] = si->si_retrynum_init[i];
1359 si->si_retrynum[i] = RETRYNUM_TAIL;
1361 } else {
1362 for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
1363 if ( si->si_retrynum[i] == RETRYNUM_FOREVER || si->si_retrynum[i] == RETRYNUM_TAIL )
1364 break;
1367 if ( !si->si_ctype
1368 || !si->si_retrynum || si->si_retrynum[i] == RETRYNUM_TAIL ) {
1369 ldap_pvt_runqueue_remove( &slapd_rq, rtask );
1370 fail = RETRYNUM_TAIL;
1371 } else if ( RETRYNUM_VALID( si->si_retrynum[i] ) ) {
1372 if ( si->si_retrynum[i] > 0 )
1373 si->si_retrynum[i]--;
1374 fail = si->si_retrynum[i];
1375 rtask->interval.tv_sec = si->si_retryinterval[i];
1376 ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
1377 slap_wake_listener();
1381 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1383 if ( do_setup )
1384 si->si_conn = connection_client_setup( s, do_syncrepl, arg );
1386 success:
1387 ldap_pvt_thread_mutex_unlock( &si->si_mutex );
1389 if ( rc ) {
1390 if ( fail == RETRYNUM_TAIL ) {
1391 Debug( LDAP_DEBUG_ANY,
1392 "do_syncrepl: %s quitting\n",
1393 si->si_ridtxt, 0, 0 );
1394 } else if ( fail > 0 ) {
1395 Debug( LDAP_DEBUG_ANY,
1396 "do_syncrepl: %s retrying (%d retries left)\n",
1397 si->si_ridtxt, fail, 0 );
1398 } else {
1399 Debug( LDAP_DEBUG_ANY,
1400 "do_syncrepl: %s retrying\n",
1401 si->si_ridtxt, 0, 0 );
1405 /* Do final delete cleanup */
1406 if ( !si->si_ctype ) {
1407 cookie_state *cs = NULL;
1408 syncinfo_t **sip;
1410 cs = be->be_syncinfo->si_cookieState;
1411 for ( sip = &be->be_syncinfo; *sip != si; sip = &(*sip)->si_next );
1412 *sip = si->si_next;
1413 syncinfo_free( si, 0 );
1414 if ( !be->be_syncinfo ) {
1415 SLAP_DBFLAGS( be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
1416 if ( cs ) {
1417 ch_free( cs->cs_sids );
1418 ber_bvarray_free( cs->cs_vals );
1419 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
1420 ch_free( cs );
1424 return NULL;
1427 static slap_verbmasks modops[] = {
1428 { BER_BVC("add"), LDAP_REQ_ADD },
1429 { BER_BVC("delete"), LDAP_REQ_DELETE },
1430 { BER_BVC("modify"), LDAP_REQ_MODIFY },
1431 { BER_BVC("modrdn"), LDAP_REQ_MODRDN},
1432 { BER_BVNULL, 0 }
1435 static Modifications *
1436 syncrepl_accesslog_mods(
1437 syncinfo_t *si,
1438 struct berval *vals
1441 char *colon;
1442 const char *text;
1443 AttributeDescription *ad;
1444 struct berval bv, bv2;
1445 short op;
1446 Modifications *mod = NULL, *modlist = NULL, **modtail;
1447 int i;
1449 modtail = &modlist;
1451 for (i=0; !BER_BVISNULL( &vals[i] ); i++) {
1452 ad = NULL;
1453 bv = vals[i];
1455 colon = ber_bvchr( &bv, ':' );
1456 if ( !colon ) {
1457 /* Invalid */
1458 continue;
1461 bv.bv_len = colon - bv.bv_val;
1462 if ( slap_bv2ad( &bv, &ad, &text ) ) {
1463 /* Invalid */
1464 continue;
1467 /* Ignore dynamically generated attrs */
1468 if ( ad->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1469 continue;
1472 /* Ignore excluded attrs */
1473 if ( ldap_charray_inlist( si->si_exattrs,
1474 ad->ad_type->sat_cname.bv_val ) )
1476 continue;
1479 switch(colon[1]) {
1480 case '+': op = LDAP_MOD_ADD; break;
1481 case '-': op = LDAP_MOD_DELETE; break;
1482 case '=': op = LDAP_MOD_REPLACE; break;
1483 case '#': op = LDAP_MOD_INCREMENT; break;
1484 default: continue;
1487 if ( !mod || ad != mod->sml_desc || op != mod->sml_op ) {
1488 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1489 mod->sml_flags = 0;
1490 mod->sml_op = op;
1491 mod->sml_next = NULL;
1492 mod->sml_desc = ad;
1493 mod->sml_type = ad->ad_cname;
1494 mod->sml_values = NULL;
1495 mod->sml_nvalues = NULL;
1496 mod->sml_numvals = 0;
1498 *modtail = mod;
1499 modtail = &mod->sml_next;
1501 if ( colon[2] == ' ' ) {
1502 bv.bv_val = colon + 3;
1503 bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val );
1504 ber_dupbv( &bv2, &bv );
1505 ber_bvarray_add( &mod->sml_values, &bv2 );
1506 mod->sml_numvals++;
1509 return modlist;
1512 static Modifications *
1513 syncrepl_changelog_mods(
1514 syncinfo_t *si,
1515 struct berval *vals
1518 return NULL; /* FIXME */
1521 static int
1522 syncrepl_message_to_op(
1523 syncinfo_t *si,
1524 Operation *op,
1525 LDAPMessage *msg
1528 BerElement *ber = NULL;
1529 Modifications *modlist = NULL;
1530 logschema *ls;
1531 SlapReply rs = { REP_RESULT };
1532 slap_callback cb = { NULL, null_callback, NULL, NULL };
1534 const char *text;
1535 char txtbuf[SLAP_TEXT_BUFLEN];
1536 size_t textlen = sizeof txtbuf;
1538 struct berval bdn, dn = BER_BVNULL, ndn;
1539 struct berval bv, *bvals = NULL;
1540 struct berval rdn = BER_BVNULL, sup = BER_BVNULL,
1541 prdn = BER_BVNULL, nrdn = BER_BVNULL,
1542 psup = BER_BVNULL, nsup = BER_BVNULL;
1543 int rc, deleteOldRdn = 0, freeReqDn = 0;
1545 if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1546 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1547 "Message type should be entry (%d)",
1548 si->si_ridtxt, ldap_msgtype( msg ), 0 );
1549 return -1;
1552 if ( si->si_syncdata == SYNCDATA_ACCESSLOG )
1553 ls = &accesslog_sc;
1554 else
1555 ls = &changelog_sc;
1557 rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1559 if ( rc != LDAP_SUCCESS ) {
1560 Debug( LDAP_DEBUG_ANY,
1561 "syncrepl_message_to_op: %s dn get failed (%d)",
1562 si->si_ridtxt, rc, 0 );
1563 return rc;
1566 op->o_tag = LBER_DEFAULT;
1567 op->o_bd = si->si_wbe;
1569 while (( rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, &bvals ) )
1570 == LDAP_SUCCESS ) {
1571 if ( bv.bv_val == NULL )
1572 break;
1574 if ( !ber_bvstrcasecmp( &bv, &ls->ls_dn ) ) {
1575 bdn = bvals[0];
1576 dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1577 ber_dupbv( &op->o_req_dn, &dn );
1578 ber_dupbv( &op->o_req_ndn, &ndn );
1579 slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1580 slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1581 freeReqDn = 1;
1582 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_req ) ) {
1583 int i = verb_to_mask( bvals[0].bv_val, modops );
1584 if ( i < 0 ) {
1585 Debug( LDAP_DEBUG_ANY,
1586 "syncrepl_message_to_op: %s unknown op %s",
1587 si->si_ridtxt, bvals[0].bv_val, 0 );
1588 ch_free( bvals );
1589 rc = -1;
1590 goto done;
1592 op->o_tag = modops[i].mask;
1593 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_mod ) ) {
1594 /* Parse attribute into modlist */
1595 if ( si->si_syncdata == SYNCDATA_ACCESSLOG ) {
1596 modlist = syncrepl_accesslog_mods( si, bvals );
1597 } else {
1598 modlist = syncrepl_changelog_mods( si, bvals );
1600 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newRdn ) ) {
1601 rdn = bvals[0];
1602 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_delRdn ) ) {
1603 if ( !ber_bvstrcasecmp( &slap_true_bv, bvals ) ) {
1604 deleteOldRdn = 1;
1606 } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup ) ) {
1607 sup = bvals[0];
1608 } else if ( !ber_bvstrcasecmp( &bv,
1609 &slap_schema.si_ad_entryCSN->ad_cname ) )
1611 slap_queue_csn( op, bvals );
1613 ch_free( bvals );
1616 /* If we didn't get a mod type or a target DN, bail out */
1617 if ( op->o_tag == LBER_DEFAULT || BER_BVISNULL( &dn ) ) {
1618 rc = -1;
1619 goto done;
1622 op->o_callback = &cb;
1623 slap_op_time( &op->o_time, &op->o_tincr );
1625 switch( op->o_tag ) {
1626 case LDAP_REQ_ADD:
1627 case LDAP_REQ_MODIFY:
1628 /* If we didn't get required data, bail */
1629 if ( !modlist ) goto done;
1631 rc = slap_mods_check( op, modlist, &text, txtbuf, textlen, NULL );
1633 if ( rc != LDAP_SUCCESS ) {
1634 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1635 "mods check (%s)\n",
1636 si->si_ridtxt, text, 0 );
1637 goto done;
1640 if ( op->o_tag == LDAP_REQ_ADD ) {
1641 Entry *e = entry_alloc();
1642 op->ora_e = e;
1643 op->ora_e->e_name = op->o_req_dn;
1644 op->ora_e->e_nname = op->o_req_ndn;
1645 freeReqDn = 0;
1646 rc = slap_mods2entry( modlist, &op->ora_e, 1, 0, &text, txtbuf, textlen);
1647 if( rc != LDAP_SUCCESS ) {
1648 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s "
1649 "mods2entry (%s)\n",
1650 si->si_ridtxt, text, 0 );
1651 } else {
1652 rc = op->o_bd->be_add( op, &rs );
1653 Debug( LDAP_DEBUG_SYNC,
1654 "syncrepl_message_to_op: %s be_add %s (%d)\n",
1655 si->si_ridtxt, op->o_req_dn.bv_val, rc );
1657 if ( e == op->ora_e )
1658 be_entry_release_w( op, op->ora_e );
1659 } else {
1660 op->orm_modlist = modlist;
1661 op->o_bd = si->si_wbe;
1662 rc = op->o_bd->be_modify( op, &rs );
1663 modlist = op->orm_modlist;
1664 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1665 "syncrepl_message_to_op: %s be_modify %s (%d)\n",
1666 si->si_ridtxt, op->o_req_dn.bv_val, rc );
1667 op->o_bd = si->si_be;
1669 break;
1670 case LDAP_REQ_MODRDN:
1671 if ( BER_BVISNULL( &rdn ) ) goto done;
1673 if ( rdnPretty( NULL, &rdn, &prdn, NULL ) ) {
1674 goto done;
1676 if ( rdnNormalize( 0, NULL, NULL, &rdn, &nrdn, NULL ) ) {
1677 goto done;
1679 if ( !BER_BVISNULL( &sup ) ) {
1680 if ( dnPrettyNormal( NULL, &sup, &psup, &nsup, NULL ) ) {
1681 goto done;
1683 op->orr_newSup = &psup;
1684 op->orr_nnewSup = &nsup;
1685 } else {
1686 op->orr_newSup = NULL;
1687 op->orr_nnewSup = NULL;
1689 op->orr_newrdn = prdn;
1690 op->orr_nnewrdn = nrdn;
1691 op->orr_deleteoldrdn = deleteOldRdn;
1692 op->orr_modlist = NULL;
1693 if ( slap_modrdn2mods( op, &rs ) ) {
1694 goto done;
1697 /* Append modlist for operational attrs */
1699 Modifications *m;
1701 for ( m = op->orr_modlist; m->sml_next; m = m->sml_next )
1703 m->sml_next = modlist;
1704 modlist = NULL;
1706 rc = op->o_bd->be_modrdn( op, &rs );
1707 slap_mods_free( op->orr_modlist, 1 );
1708 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1709 "syncrepl_message_to_op: %s be_modrdn %s (%d)\n",
1710 si->si_ridtxt, op->o_req_dn.bv_val, rc );
1711 break;
1712 case LDAP_REQ_DELETE:
1713 rc = op->o_bd->be_delete( op, &rs );
1714 Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC,
1715 "syncrepl_message_to_op: %s be_delete %s (%d)\n",
1716 si->si_ridtxt, op->o_req_dn.bv_val, rc );
1717 break;
1719 done:
1720 slap_graduate_commit_csn( op );
1721 op->o_bd = si->si_be;
1722 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
1723 BER_BVZERO( &op->o_csn );
1724 if ( modlist ) {
1725 slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
1727 if ( !BER_BVISNULL( &rdn ) ) {
1728 if ( !BER_BVISNULL( &nsup ) ) {
1729 ch_free( nsup.bv_val );
1731 if ( !BER_BVISNULL( &psup ) ) {
1732 ch_free( psup.bv_val );
1734 if ( !BER_BVISNULL( &nrdn ) ) {
1735 ch_free( nrdn.bv_val );
1737 if ( !BER_BVISNULL( &prdn ) ) {
1738 ch_free( prdn.bv_val );
1741 if ( freeReqDn ) {
1742 ch_free( op->o_req_ndn.bv_val );
1743 ch_free( op->o_req_dn.bv_val );
1745 ber_free( ber, 0 );
1746 return rc;
1749 static int
1750 syncrepl_message_to_entry(
1751 syncinfo_t *si,
1752 Operation *op,
1753 LDAPMessage *msg,
1754 Modifications **modlist,
1755 Entry **entry,
1756 int syncstate
1759 Entry *e = NULL;
1760 BerElement *ber = NULL;
1761 Modifications tmp;
1762 Modifications *mod;
1763 Modifications **modtail = modlist;
1765 const char *text;
1766 char txtbuf[SLAP_TEXT_BUFLEN];
1767 size_t textlen = sizeof txtbuf;
1769 struct berval bdn = BER_BVNULL, dn, ndn;
1770 int rc, is_ctx;
1772 *modlist = NULL;
1774 if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
1775 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s "
1776 "Message type should be entry (%d)",
1777 si->si_ridtxt, ldap_msgtype( msg ), 0 );
1778 return -1;
1781 op->o_tag = LDAP_REQ_ADD;
1783 rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
1784 if ( rc != LDAP_SUCCESS ) {
1785 Debug( LDAP_DEBUG_ANY,
1786 "syncrepl_message_to_entry: %s dn get failed (%d)",
1787 si->si_ridtxt, rc, 0 );
1788 return rc;
1791 if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
1792 /* NOTE: this could be done even before decoding the DN,
1793 * although encoding errors wouldn't be detected */
1794 rc = LDAP_SUCCESS;
1795 goto done;
1798 if ( entry == NULL ) {
1799 return -1;
1802 dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
1803 ber_dupbv( &op->o_req_dn, &dn );
1804 ber_dupbv( &op->o_req_ndn, &ndn );
1805 slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
1806 slap_sl_free( dn.bv_val, op->o_tmpmemctx );
1808 is_ctx = dn_match( &op->o_req_ndn, &op->o_bd->be_nsuffix[0] );
1810 e = entry_alloc();
1811 e->e_name = op->o_req_dn;
1812 e->e_nname = op->o_req_ndn;
1814 while ( ber_remaining( ber ) ) {
1815 if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
1816 LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) )
1818 break;
1821 /* Drop all updates to the contextCSN of the context entry
1822 * (ITS#4622, etc.)
1824 if ( is_ctx && !strcasecmp( tmp.sml_type.bv_val,
1825 slap_schema.si_ad_contextCSN->ad_cname.bv_val )) {
1826 ber_bvarray_free( tmp.sml_values );
1827 continue;
1830 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1832 mod->sml_op = LDAP_MOD_REPLACE;
1833 mod->sml_flags = 0;
1834 mod->sml_next = NULL;
1835 mod->sml_desc = NULL;
1836 mod->sml_type = tmp.sml_type;
1837 mod->sml_values = tmp.sml_values;
1838 mod->sml_nvalues = NULL;
1839 mod->sml_numvals = 0; /* slap_mods_check will set this */
1841 *modtail = mod;
1842 modtail = &mod->sml_next;
1845 if ( *modlist == NULL ) {
1846 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s no attributes\n",
1847 si->si_ridtxt, 0, 0 );
1848 rc = -1;
1849 goto done;
1852 rc = slap_mods_check( op, *modlist, &text, txtbuf, textlen, NULL );
1854 if ( rc != LDAP_SUCCESS ) {
1855 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods check (%s)\n",
1856 si->si_ridtxt, text, 0 );
1857 goto done;
1860 /* Strip out dynamically generated attrs */
1861 for ( modtail = modlist; *modtail ; ) {
1862 mod = *modtail;
1863 if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
1864 *modtail = mod->sml_next;
1865 slap_mod_free( &mod->sml_mod, 0 );
1866 ch_free( mod );
1867 } else {
1868 modtail = &mod->sml_next;
1872 /* Strip out attrs in exattrs list */
1873 for ( modtail = modlist; *modtail ; ) {
1874 mod = *modtail;
1875 if ( ldap_charray_inlist( si->si_exattrs,
1876 mod->sml_desc->ad_type->sat_cname.bv_val ) )
1878 *modtail = mod->sml_next;
1879 slap_mod_free( &mod->sml_mod, 0 );
1880 ch_free( mod );
1881 } else {
1882 modtail = &mod->sml_next;
1886 rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
1887 if( rc != LDAP_SUCCESS ) {
1888 Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods2entry (%s)\n",
1889 si->si_ridtxt, text, 0 );
1892 done:
1893 ber_free( ber, 0 );
1894 if ( rc != LDAP_SUCCESS ) {
1895 if ( e ) {
1896 entry_free( e );
1897 e = NULL;
1900 if ( entry )
1901 *entry = e;
1903 return rc;
1906 static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
1908 /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
1909 * entry if a previous refresh was interrupted before sending us a new
1910 * context state. We try to compare the new entry to the existing entry
1911 * and ignore the new entry if they are the same.
1913 * Also, we may get an update where the entryDN has changed, due to
1914 * a ModDn on the provider. We detect this as well, so we can issue
1915 * the corresponding operation locally.
1917 * In the case of a modify, we get a list of all the attributes
1918 * in the original entry. Rather than deleting the entry and re-adding it,
1919 * we issue a Modify request that deletes all the attributes and adds all
1920 * the new ones. This avoids the issue of trying to delete/add a non-leaf
1921 * entry.
1923 * We otherwise distinguish ModDN from Modify; in the case of
1924 * a ModDN we just use the CSN, modifyTimestamp and modifiersName
1925 * operational attributes from the entry, and do a regular ModDN.
1927 typedef struct dninfo {
1928 Entry *new_entry;
1929 struct berval dn;
1930 struct berval ndn;
1931 int renamed; /* Was an existing entry renamed? */
1932 int delOldRDN; /* Was old RDN deleted? */
1933 Modifications **modlist; /* the modlist we received */
1934 Modifications *mods; /* the modlist we compared */
1935 } dninfo;
1937 /* return 1 if inserted, 0 otherwise */
1938 static int
1939 avl_presentlist_insert(
1940 syncinfo_t* si,
1941 struct berval *syncUUID )
1943 struct berval *syncuuid_bv = ch_malloc( sizeof( struct berval ) + syncUUID->bv_len + 1 );
1945 syncuuid_bv->bv_len = syncUUID->bv_len;
1946 syncuuid_bv->bv_val = (char *)&syncuuid_bv[1];
1947 AC_MEMCPY( syncuuid_bv->bv_val, syncUUID->bv_val, syncUUID->bv_len );
1948 syncuuid_bv->bv_val[ syncuuid_bv->bv_len ] = '\0';
1950 if ( avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
1951 syncuuid_cmp, avl_dup_error ) )
1953 ch_free( syncuuid_bv );
1954 return 0;
1957 return 1;
1960 static int
1961 syncrepl_entry(
1962 syncinfo_t* si,
1963 Operation *op,
1964 Entry* entry,
1965 Modifications** modlist,
1966 int syncstate,
1967 struct berval* syncUUID,
1968 struct berval* syncCSN )
1970 Backend *be = op->o_bd;
1971 slap_callback cb = { NULL, NULL, NULL, NULL };
1972 int syncuuid_inserted = 0;
1973 struct berval syncUUID_strrep = BER_BVNULL;
1975 SlapReply rs_search = {REP_RESULT};
1976 SlapReply rs_delete = {REP_RESULT};
1977 SlapReply rs_add = {REP_RESULT};
1978 SlapReply rs_modify = {REP_RESULT};
1979 Filter f = {0};
1980 AttributeAssertion ava = ATTRIBUTEASSERTION_INIT;
1981 int rc = LDAP_SUCCESS;
1983 struct berval pdn = BER_BVNULL;
1984 dninfo dni = {0};
1985 int retry = 1;
1986 int freecsn = 1;
1988 Debug( LDAP_DEBUG_SYNC,
1989 "syncrepl_entry: %s LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_%s)\n",
1990 si->si_ridtxt, syncrepl_state2str( syncstate ), 0 );
1992 if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD ) ) {
1993 if ( !si->si_refreshPresent && !si->si_refreshDone ) {
1994 syncuuid_inserted = avl_presentlist_insert( si, syncUUID );
1998 if ( syncstate == LDAP_SYNC_PRESENT ) {
1999 return 0;
2000 } else if ( syncstate != LDAP_SYNC_DELETE ) {
2001 if ( entry == NULL ) {
2002 return 0;
2006 (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
2007 if ( syncstate != LDAP_SYNC_DELETE ) {
2008 Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID );
2010 if ( a == NULL ) {
2011 /* add if missing */
2012 attr_merge_one( entry, slap_schema.si_ad_entryUUID,
2013 &syncUUID_strrep, syncUUID );
2015 } else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) {
2016 /* replace only if necessary */
2017 if ( a->a_nvals != a->a_vals ) {
2018 ber_memfree( a->a_nvals[0].bv_val );
2019 ber_dupbv( &a->a_nvals[0], syncUUID );
2021 ber_memfree( a->a_vals[0].bv_val );
2022 ber_dupbv( &a->a_vals[0], &syncUUID_strrep );
2026 f.f_choice = LDAP_FILTER_EQUALITY;
2027 f.f_ava = &ava;
2028 ava.aa_desc = slap_schema.si_ad_entryUUID;
2029 ava.aa_value = *syncUUID;
2031 if ( syncuuid_inserted ) {
2032 Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s inserted UUID %s\n",
2033 si->si_ridtxt, syncUUID_strrep.bv_val, 0 );
2035 op->ors_filter = &f;
2037 op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID_strrep.bv_len;
2038 op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
2039 op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
2040 AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) );
2041 AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )],
2042 syncUUID_strrep.bv_val, syncUUID_strrep.bv_len );
2043 op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
2044 op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
2046 op->o_tag = LDAP_REQ_SEARCH;
2047 op->ors_scope = LDAP_SCOPE_SUBTREE;
2048 op->ors_deref = LDAP_DEREF_NEVER;
2050 /* get the entry for this UUID */
2051 op->o_req_dn = si->si_base;
2052 op->o_req_ndn = si->si_base;
2054 op->o_time = slap_get_time();
2055 op->ors_tlimit = SLAP_NO_LIMIT;
2056 op->ors_slimit = 1;
2058 op->ors_attrs = slap_anlist_all_attributes;
2059 op->ors_attrsonly = 0;
2061 /* set callback function */
2062 op->o_callback = &cb;
2063 cb.sc_response = dn_callback;
2064 cb.sc_private = &dni;
2065 dni.new_entry = entry;
2066 dni.modlist = modlist;
2068 if ( limits_check( op, &rs_search ) == 0 ) {
2069 rc = be->be_search( op, &rs_search );
2070 Debug( LDAP_DEBUG_SYNC,
2071 "syncrepl_entry: %s be_search (%d)\n",
2072 si->si_ridtxt, rc, 0 );
2075 if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
2076 slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2079 cb.sc_response = null_callback;
2080 cb.sc_private = si;
2082 if ( entry && !BER_BVISNULL( &entry->e_name ) ) {
2083 Debug( LDAP_DEBUG_SYNC,
2084 "syncrepl_entry: %s %s\n",
2085 si->si_ridtxt, entry->e_name.bv_val, 0 );
2086 } else {
2087 Debug( LDAP_DEBUG_SYNC,
2088 "syncrepl_entry: %s %s\n",
2089 si->si_ridtxt, dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0 );
2092 assert( BER_BVISNULL( &op->o_csn ) );
2093 if ( syncCSN ) {
2094 slap_queue_csn( op, syncCSN );
2097 slap_op_time( &op->o_time, &op->o_tincr );
2098 switch ( syncstate ) {
2099 case LDAP_SYNC_ADD:
2100 case LDAP_SYNC_MODIFY:
2101 if ( BER_BVISNULL( &op->o_csn ))
2104 Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN );
2105 if ( a ) {
2106 /* FIXME: op->o_csn is assumed to be
2107 * on the thread's slab; this needs
2108 * to be cleared ASAP.
2109 * What happens if already present?
2111 assert( BER_BVISNULL( &op->o_csn ) );
2112 op->o_csn = a->a_vals[0];
2113 freecsn = 0;
2116 retry_add:;
2117 if ( BER_BVISNULL( &dni.dn ) ) {
2119 op->o_req_dn = entry->e_name;
2120 op->o_req_ndn = entry->e_nname;
2121 op->o_tag = LDAP_REQ_ADD;
2122 op->ora_e = entry;
2123 op->o_bd = si->si_wbe;
2125 rc = op->o_bd->be_add( op, &rs_add );
2126 Debug( LDAP_DEBUG_SYNC,
2127 "syncrepl_entry: %s be_add (%d)\n",
2128 si->si_ridtxt, rc, 0 );
2129 switch ( rs_add.sr_err ) {
2130 case LDAP_SUCCESS:
2131 if ( op->ora_e == entry ) {
2132 be_entry_release_w( op, entry );
2134 entry = NULL;
2135 break;
2137 case LDAP_REFERRAL:
2138 /* we assume that LDAP_NO_SUCH_OBJECT is returned
2139 * only if the suffix entry is not present */
2140 case LDAP_NO_SUCH_OBJECT:
2141 rc = syncrepl_add_glue( op, entry );
2142 entry = NULL;
2143 break;
2145 /* if an entry was added via syncrepl_add_glue(),
2146 * it likely has no entryUUID, so the previous
2147 * be_search() doesn't find it. In this case,
2148 * give syncrepl a chance to modify it. Also
2149 * allow for entries that were recreated with the
2150 * same DN but a different entryUUID.
2152 case LDAP_ALREADY_EXISTS:
2153 if ( retry ) {
2154 Operation op2 = *op;
2155 SlapReply rs2 = { 0 };
2156 slap_callback cb2 = { 0 };
2158 op2.o_bd = be;
2159 op2.o_tag = LDAP_REQ_SEARCH;
2160 op2.o_req_dn = entry->e_name;
2161 op2.o_req_ndn = entry->e_nname;
2162 op2.ors_scope = LDAP_SCOPE_BASE;
2163 op2.ors_deref = LDAP_DEREF_NEVER;
2164 op2.ors_attrs = slap_anlist_all_attributes;
2165 op2.ors_attrsonly = 0;
2166 op2.ors_limit = NULL;
2167 op2.ors_slimit = 1;
2168 op2.ors_tlimit = SLAP_NO_LIMIT;
2170 f.f_choice = LDAP_FILTER_PRESENT;
2171 f.f_desc = slap_schema.si_ad_objectClass;
2172 op2.ors_filter = &f;
2173 op2.ors_filterstr = generic_filterstr;
2175 op2.o_callback = &cb2;
2176 cb2.sc_response = dn_callback;
2177 cb2.sc_private = &dni;
2179 rc = be->be_search( &op2, &rs2 );
2180 if ( rc ) goto done;
2182 retry = 0;
2183 slap_op_time( &op->o_time, &op->o_tincr );
2184 goto retry_add;
2186 /* FALLTHRU */
2188 default:
2189 Debug( LDAP_DEBUG_ANY,
2190 "syncrepl_entry: %s be_add failed (%d)\n",
2191 si->si_ridtxt, rs_add.sr_err, 0 );
2192 break;
2194 op->o_bd = be;
2195 goto done;
2197 /* FALLTHRU */
2198 op->o_req_dn = dni.dn;
2199 op->o_req_ndn = dni.ndn;
2200 if ( dni.renamed ) {
2201 struct berval noldp, newp, nnewp;
2203 op->o_tag = LDAP_REQ_MODRDN;
2204 dnRdn( &entry->e_name, &op->orr_newrdn );
2205 dnRdn( &entry->e_nname, &op->orr_nnewrdn );
2207 dnParent( &dni.ndn, &noldp );
2208 dnParent( &entry->e_nname, &nnewp );
2209 if ( !dn_match( &noldp, &nnewp ) ) {
2210 dnParent( &entry->e_name, &newp );
2211 op->orr_newSup = &newp;
2212 op->orr_nnewSup = &nnewp;
2213 } else {
2214 op->orr_newSup = NULL;
2215 op->orr_nnewSup = NULL;
2217 op->orr_deleteoldrdn = dni.delOldRDN;
2218 op->orr_modlist = NULL;
2219 if ( ( rc = slap_modrdn2mods( op, &rs_modify ) ) ) {
2220 goto done;
2223 /* RDNs must be NUL-terminated for back-ldap */
2224 noldp = op->orr_newrdn;
2225 ber_dupbv_x( &op->orr_newrdn, &noldp, op->o_tmpmemctx );
2226 noldp = op->orr_nnewrdn;
2227 ber_dupbv_x( &op->orr_nnewrdn, &noldp, op->o_tmpmemctx );
2229 /* Setup opattrs too */
2231 static AttributeDescription *nullattr = NULL;
2232 static AttributeDescription **const opattrs[] = {
2233 &slap_schema.si_ad_entryCSN,
2234 &slap_schema.si_ad_modifiersName,
2235 &slap_schema.si_ad_modifyTimestamp,
2236 &nullattr
2238 AttributeDescription *opattr;
2239 Modifications *mod, **modtail, **ml;
2240 int i;
2242 for ( mod = op->orr_modlist;
2243 mod->sml_next;
2244 mod = mod->sml_next )
2246 modtail = &mod->sml_next;
2248 /* pull mod off incoming modlist, append to orr_modlist */
2249 for ( i = 0; (opattr = *opattrs[i]) != NULL; i++ ) {
2250 for ( ml = modlist; *ml; ml = &(*ml)->sml_next )
2252 if ( (*ml)->sml_desc == opattr ) {
2253 mod = *ml;
2254 *ml = mod->sml_next;
2255 mod->sml_next = NULL;
2256 *modtail = mod;
2257 modtail = &mod->sml_next;
2258 break;
2263 op->o_bd = si->si_wbe;
2264 rc = op->o_bd->be_modrdn( op, &rs_modify );
2265 op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
2266 op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
2268 slap_mods_free( op->orr_modlist, 1 );
2269 Debug( LDAP_DEBUG_SYNC,
2270 "syncrepl_entry: %s be_modrdn (%d)\n",
2271 si->si_ridtxt, rc, 0 );
2272 op->o_bd = be;
2273 goto done;
2275 if ( dni.mods ) {
2276 op->o_tag = LDAP_REQ_MODIFY;
2277 op->orm_modlist = dni.mods;
2278 op->orm_no_opattrs = 1;
2279 op->o_bd = si->si_wbe;
2281 rc = op->o_bd->be_modify( op, &rs_modify );
2282 slap_mods_free( op->orm_modlist, 1 );
2283 op->orm_no_opattrs = 0;
2284 Debug( LDAP_DEBUG_SYNC,
2285 "syncrepl_entry: %s be_modify (%d)\n",
2286 si->si_ridtxt, rc, 0 );
2287 if ( rs_modify.sr_err != LDAP_SUCCESS ) {
2288 Debug( LDAP_DEBUG_ANY,
2289 "syncrepl_entry: %s be_modify failed (%d)\n",
2290 si->si_ridtxt, rs_modify.sr_err, 0 );
2292 op->o_bd = be;
2293 } else {
2294 Debug( LDAP_DEBUG_SYNC,
2295 "syncrepl_entry: %s entry unchanged, ignored (%s)\n",
2296 si->si_ridtxt, op->o_req_dn.bv_val, 0 );
2298 goto done;
2299 case LDAP_SYNC_DELETE :
2300 if ( !BER_BVISNULL( &dni.dn ) ) {
2301 op->o_req_dn = dni.dn;
2302 op->o_req_ndn = dni.ndn;
2303 op->o_tag = LDAP_REQ_DELETE;
2304 op->o_bd = si->si_wbe;
2305 rc = op->o_bd->be_delete( op, &rs_delete );
2306 Debug( LDAP_DEBUG_SYNC,
2307 "syncrepl_entry: %s be_delete (%d)\n",
2308 si->si_ridtxt, rc, 0 );
2310 while ( rs_delete.sr_err == LDAP_SUCCESS
2311 && op->o_delete_glue_parent ) {
2312 op->o_delete_glue_parent = 0;
2313 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2314 slap_callback cb = { NULL };
2315 cb.sc_response = slap_null_cb;
2316 dnParent( &op->o_req_ndn, &pdn );
2317 op->o_req_dn = pdn;
2318 op->o_req_ndn = pdn;
2319 op->o_callback = &cb;
2320 op->o_bd->be_delete( op, &rs_delete );
2321 } else {
2322 break;
2325 op->o_bd = be;
2327 goto done;
2329 default :
2330 Debug( LDAP_DEBUG_ANY,
2331 "syncrepl_entry: %s unknown syncstate\n", si->si_ridtxt, 0, 0 );
2332 goto done;
2335 done:
2336 if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
2337 slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
2338 BER_BVZERO( &syncUUID_strrep );
2340 if ( !BER_BVISNULL( &dni.ndn ) ) {
2341 op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
2343 if ( !BER_BVISNULL( &dni.dn ) ) {
2344 op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
2346 if ( entry ) {
2347 entry_free( entry );
2349 if ( syncCSN ) {
2350 slap_graduate_commit_csn( op );
2352 if ( !BER_BVISNULL( &op->o_csn ) && freecsn ) {
2353 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2355 BER_BVZERO( &op->o_csn );
2356 return rc;
2359 static struct berval gcbva[] = {
2360 BER_BVC("top"),
2361 BER_BVC("glue"),
2362 BER_BVNULL
2365 #define NP_DELETE_ONE 2
2367 static void
2368 syncrepl_del_nonpresent(
2369 Operation *op,
2370 syncinfo_t *si,
2371 BerVarray uuids,
2372 struct sync_cookie *sc,
2373 int m )
2375 Backend* be = op->o_bd;
2376 slap_callback cb = { NULL };
2377 SlapReply rs_search = {REP_RESULT};
2378 SlapReply rs_delete = {REP_RESULT};
2379 SlapReply rs_modify = {REP_RESULT};
2380 struct nonpresent_entry *np_list, *np_prev;
2381 int rc;
2382 AttributeName an[2];
2384 struct berval pdn = BER_BVNULL;
2385 struct berval csn;
2387 op->o_req_dn = si->si_base;
2388 op->o_req_ndn = si->si_base;
2390 cb.sc_response = nonpresent_callback;
2391 cb.sc_private = si;
2393 op->o_callback = &cb;
2394 op->o_tag = LDAP_REQ_SEARCH;
2395 op->ors_scope = si->si_scope;
2396 op->ors_deref = LDAP_DEREF_NEVER;
2397 op->o_time = slap_get_time();
2398 op->ors_tlimit = SLAP_NO_LIMIT;
2401 if ( uuids ) {
2402 Filter uf;
2403 AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;
2404 int i;
2406 op->ors_attrsonly = 1;
2407 op->ors_attrs = slap_anlist_no_attrs;
2408 op->ors_limit = NULL;
2409 op->ors_filter = &uf;
2411 uf.f_ava = &eq;
2412 uf.f_av_desc = slap_schema.si_ad_entryUUID;
2413 uf.f_next = NULL;
2414 uf.f_choice = LDAP_FILTER_EQUALITY;
2415 si->si_refreshDelete |= NP_DELETE_ONE;
2417 for (i=0; uuids[i].bv_val; i++) {
2418 op->ors_slimit = 1;
2419 uf.f_av_value = uuids[i];
2420 filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2421 rc = be->be_search( op, &rs_search );
2422 op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
2424 si->si_refreshDelete ^= NP_DELETE_ONE;
2425 } else {
2426 Filter *cf, *of;
2428 memset( &an[0], 0, 2 * sizeof( AttributeName ) );
2429 an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
2430 an[0].an_desc = slap_schema.si_ad_entryUUID;
2431 op->ors_attrs = an;
2432 op->ors_slimit = SLAP_NO_LIMIT;
2433 op->ors_attrsonly = 0;
2434 op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
2435 /* In multimaster, updates can continue to arrive while
2436 * we're searching. Limit the search result to entries
2437 * older than all of our cookie CSNs.
2439 if ( SLAP_MULTIMASTER( op->o_bd )) {
2440 Filter *f;
2441 int i;
2442 cf = op->o_tmpalloc( (sc->numcsns+1) * sizeof(Filter) +
2443 sc->numcsns * sizeof(AttributeAssertion), op->o_tmpmemctx );
2444 f = cf;
2445 f->f_choice = LDAP_FILTER_AND;
2446 f->f_next = NULL;
2447 f->f_and = f+1;
2448 of = f->f_and;
2449 for ( i=0; i<sc->numcsns; i++ ) {
2450 f = of;
2451 f->f_choice = LDAP_FILTER_LE;
2452 f->f_ava = (AttributeAssertion *)(f+1);
2453 f->f_av_desc = slap_schema.si_ad_entryCSN;
2454 f->f_av_value = sc->ctxcsn[i];
2455 f->f_next = (Filter *)(f->f_ava+1);
2456 of = f->f_next;
2458 f->f_next = op->ors_filter;
2459 of = op->ors_filter;
2460 op->ors_filter = cf;
2461 filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2462 } else {
2463 cf = NULL;
2464 op->ors_filterstr = si->si_filterstr;
2466 op->o_nocaching = 1;
2468 if ( limits_check( op, &rs_search ) == 0 ) {
2469 rc = be->be_search( op, &rs_search );
2471 if ( SLAP_MULTIMASTER( op->o_bd )) {
2472 op->o_tmpfree( cf, op->o_tmpmemctx );
2473 op->ors_filter = of;
2475 if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
2479 op->o_nocaching = 0;
2481 if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
2483 if ( sc->ctxcsn && !BER_BVISNULL( &sc->ctxcsn[m] ) ) {
2484 csn = sc->ctxcsn[m];
2485 } else {
2486 csn = si->si_syncCookie.ctxcsn[0];
2489 op->o_bd = si->si_wbe;
2490 slap_queue_csn( op, &csn );
2492 np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
2493 while ( np_list != NULL ) {
2494 LDAP_LIST_REMOVE( np_list, npe_link );
2495 np_prev = np_list;
2496 np_list = LDAP_LIST_NEXT( np_list, npe_link );
2497 op->o_tag = LDAP_REQ_DELETE;
2498 op->o_callback = &cb;
2499 cb.sc_response = null_callback;
2500 cb.sc_private = si;
2501 op->o_req_dn = *np_prev->npe_name;
2502 op->o_req_ndn = *np_prev->npe_nname;
2503 rc = op->o_bd->be_delete( op, &rs_delete );
2504 Debug( LDAP_DEBUG_SYNC,
2505 "syncrepl_del_nonpresent: %s be_delete %s (%d)\n",
2506 si->si_ridtxt, op->o_req_dn.bv_val, rc );
2508 if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
2509 Modifications mod1, mod2;
2510 mod1.sml_op = LDAP_MOD_REPLACE;
2511 mod1.sml_flags = 0;
2512 mod1.sml_desc = slap_schema.si_ad_objectClass;
2513 mod1.sml_type = mod1.sml_desc->ad_cname;
2514 mod1.sml_numvals = 2;
2515 mod1.sml_values = &gcbva[0];
2516 mod1.sml_nvalues = NULL;
2517 mod1.sml_next = &mod2;
2519 mod2.sml_op = LDAP_MOD_REPLACE;
2520 mod2.sml_flags = 0;
2521 mod2.sml_desc = slap_schema.si_ad_structuralObjectClass;
2522 mod2.sml_type = mod2.sml_desc->ad_cname;
2523 mod2.sml_numvals = 1;
2524 mod2.sml_values = &gcbva[1];
2525 mod2.sml_nvalues = NULL;
2526 mod2.sml_next = NULL;
2528 op->o_tag = LDAP_REQ_MODIFY;
2529 op->orm_modlist = &mod1;
2531 rc = op->o_bd->be_modify( op, &rs_modify );
2532 if ( mod2.sml_next ) slap_mods_free( mod2.sml_next, 1 );
2535 while ( rs_delete.sr_err == LDAP_SUCCESS &&
2536 op->o_delete_glue_parent ) {
2537 op->o_delete_glue_parent = 0;
2538 if ( !be_issuffix( be, &op->o_req_ndn ) ) {
2539 slap_callback cb = { NULL };
2540 cb.sc_response = slap_null_cb;
2541 dnParent( &op->o_req_ndn, &pdn );
2542 op->o_req_dn = pdn;
2543 op->o_req_ndn = pdn;
2544 op->o_callback = &cb;
2545 /* give it a root privil ? */
2546 op->o_bd->be_delete( op, &rs_delete );
2547 } else {
2548 break;
2552 op->o_delete_glue_parent = 0;
2554 ber_bvfree( np_prev->npe_name );
2555 ber_bvfree( np_prev->npe_nname );
2556 ch_free( np_prev );
2558 if ( slapd_shutdown ) {
2559 break;
2563 slap_graduate_commit_csn( op );
2564 op->o_bd = be;
2566 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2567 BER_BVZERO( &op->o_csn );
2570 return;
2574 syncrepl_add_glue(
2575 Operation* op,
2576 Entry *e )
2578 Backend *be = op->o_bd;
2579 slap_callback cb = { NULL };
2580 Attribute *a;
2581 int rc;
2582 int suffrdns;
2583 int i;
2584 struct berval dn = BER_BVNULL;
2585 struct berval ndn = BER_BVNULL;
2586 Entry *glue;
2587 SlapReply rs_add = {REP_RESULT};
2588 struct berval ptr, nptr;
2589 char *comma;
2591 op->o_tag = LDAP_REQ_ADD;
2592 op->o_callback = &cb;
2593 cb.sc_response = null_callback;
2594 cb.sc_private = NULL;
2596 dn = e->e_name;
2597 ndn = e->e_nname;
2599 /* count RDNs in suffix */
2600 if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
2601 for ( i = 0, ptr = be->be_nsuffix[0], comma = ptr.bv_val; comma != NULL; comma = ber_bvchr( &ptr, ',' ) ) {
2602 comma++;
2603 ptr.bv_len -= comma - ptr.bv_val;
2604 ptr.bv_val = comma;
2605 i++;
2607 suffrdns = i;
2608 } else {
2609 /* suffix is "" */
2610 suffrdns = 0;
2613 /* Start with BE suffix */
2614 ptr = dn;
2615 for ( i = 0; i < suffrdns; i++ ) {
2616 comma = ber_bvrchr( &ptr, ',' );
2617 if ( comma != NULL ) {
2618 ptr.bv_len = comma - ptr.bv_val;
2619 } else {
2620 ptr.bv_len = 0;
2621 break;
2625 if ( !BER_BVISEMPTY( &ptr ) ) {
2626 dn.bv_len -= ptr.bv_len + 1;
2627 dn.bv_val += ptr.bv_len + 1;
2630 /* the normalizedDNs are always the same length, no counting
2631 * required.
2633 nptr = ndn;
2634 if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
2635 ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
2636 ndn.bv_len = be->be_nsuffix[0].bv_len;
2638 nptr.bv_len = ndn.bv_val - nptr.bv_val - 1;
2640 } else {
2641 nptr.bv_len = 0;
2644 while ( ndn.bv_val > e->e_nname.bv_val ) {
2645 glue = entry_alloc();
2646 ber_dupbv( &glue->e_name, &dn );
2647 ber_dupbv( &glue->e_nname, &ndn );
2649 a = attr_alloc( slap_schema.si_ad_objectClass );
2651 a->a_numvals = 2;
2652 a->a_vals = ch_calloc( 3, sizeof( struct berval ) );
2653 ber_dupbv( &a->a_vals[0], &gcbva[0] );
2654 ber_dupbv( &a->a_vals[1], &gcbva[1] );
2655 ber_dupbv( &a->a_vals[2], &gcbva[2] );
2657 a->a_nvals = a->a_vals;
2659 a->a_next = glue->e_attrs;
2660 glue->e_attrs = a;
2662 a = attr_alloc( slap_schema.si_ad_structuralObjectClass );
2664 a->a_numvals = 1;
2665 a->a_vals = ch_calloc( 2, sizeof( struct berval ) );
2666 ber_dupbv( &a->a_vals[0], &gcbva[1] );
2667 ber_dupbv( &a->a_vals[1], &gcbva[2] );
2669 a->a_nvals = a->a_vals;
2671 a->a_next = glue->e_attrs;
2672 glue->e_attrs = a;
2674 op->o_req_dn = glue->e_name;
2675 op->o_req_ndn = glue->e_nname;
2676 op->ora_e = glue;
2677 rc = be->be_add ( op, &rs_add );
2678 if ( rs_add.sr_err == LDAP_SUCCESS ) {
2679 if ( op->ora_e == glue )
2680 be_entry_release_w( op, glue );
2681 } else {
2682 /* incl. ALREADY EXIST */
2683 entry_free( glue );
2684 if ( rs_add.sr_err != LDAP_ALREADY_EXISTS ) {
2685 entry_free( e );
2686 return rc;
2690 /* Move to next child */
2691 comma = ber_bvrchr( &ptr, ',' );
2692 if ( comma == NULL ) {
2693 break;
2695 ptr.bv_len = comma - ptr.bv_val;
2697 dn.bv_val = ++comma;
2698 dn.bv_len = e->e_name.bv_len - (dn.bv_val - e->e_name.bv_val);
2700 comma = ber_bvrchr( &nptr, ',' );
2701 assert( comma != NULL );
2702 nptr.bv_len = comma - nptr.bv_val;
2704 ndn.bv_val = ++comma;
2705 ndn.bv_len = e->e_nname.bv_len - (ndn.bv_val - e->e_nname.bv_val);
2708 op->o_req_dn = e->e_name;
2709 op->o_req_ndn = e->e_nname;
2710 op->ora_e = e;
2711 rc = be->be_add ( op, &rs_add );
2712 if ( rs_add.sr_err == LDAP_SUCCESS ) {
2713 if ( op->ora_e == e )
2714 be_entry_release_w( op, e );
2715 } else {
2716 entry_free( e );
2719 return rc;
2722 static int
2723 syncrepl_updateCookie(
2724 syncinfo_t *si,
2725 Operation *op,
2726 struct berval *pdn,
2727 struct sync_cookie *syncCookie )
2729 Backend *be = op->o_bd;
2730 Modifications mod;
2731 struct berval first = BER_BVNULL;
2733 int rc, i, j, len;
2735 slap_callback cb = { NULL };
2736 SlapReply rs_modify = {REP_RESULT};
2738 mod.sml_op = LDAP_MOD_REPLACE;
2739 mod.sml_desc = slap_schema.si_ad_contextCSN;
2740 mod.sml_type = mod.sml_desc->ad_cname;
2741 mod.sml_flags = SLAP_MOD_INTERNAL;
2742 mod.sml_nvalues = NULL;
2743 mod.sml_next = NULL;
2745 ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
2747 /* clone the cookieState CSNs so we can Replace the whole thing */
2748 mod.sml_numvals = si->si_cookieState->cs_num;
2749 mod.sml_values = op->o_tmpalloc(( mod.sml_numvals+1 )*sizeof(struct berval), op->o_tmpmemctx );
2750 for ( i=0; i<mod.sml_numvals; i++ )
2751 mod.sml_values[i] = si->si_cookieState->cs_vals[i];
2752 BER_BVZERO( &mod.sml_values[i] );
2754 /* find any CSNs in the syncCookie that are newer than the cookieState */
2755 for ( i=0; i<syncCookie->numcsns; i++ ) {
2756 for ( j=0; j<si->si_cookieState->cs_num; j++ ) {
2757 if ( syncCookie->sids[i] != si->si_cookieState->cs_sids[j] )
2758 continue;
2759 len = syncCookie->ctxcsn[i].bv_len;
2760 if ( len > si->si_cookieState->cs_vals[j].bv_len )
2761 len = si->si_cookieState->cs_vals[j].bv_len;
2762 if ( memcmp( syncCookie->ctxcsn[i].bv_val,
2763 si->si_cookieState->cs_vals[j].bv_val, len ) > 0 ) {
2764 mod.sml_values[j] = syncCookie->ctxcsn[i];
2765 if ( BER_BVISNULL( &first ))
2766 first = syncCookie->ctxcsn[i];
2768 break;
2770 /* there was no match for this SID, it's a new CSN */
2771 if ( j == si->si_cookieState->cs_num ) {
2772 mod.sml_values = op->o_tmprealloc( mod.sml_values,
2773 ( mod.sml_numvals+2 )*sizeof(struct berval), op->o_tmpmemctx );
2774 mod.sml_values[mod.sml_numvals++] = syncCookie->ctxcsn[i];
2775 BER_BVZERO( &mod.sml_values[mod.sml_numvals] );
2776 if ( BER_BVISNULL( &first ))
2777 first = syncCookie->ctxcsn[i];
2780 /* Should never happen, ITS#5065 */
2781 if ( BER_BVISNULL( &first )) {
2782 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
2783 op->o_tmpfree( mod.sml_values, op->o_tmpmemctx );
2784 return 0;
2786 op->o_bd = si->si_wbe;
2787 slap_queue_csn( op, &first );
2789 op->o_tag = LDAP_REQ_MODIFY;
2791 cb.sc_response = null_callback;
2792 cb.sc_private = si;
2794 op->o_callback = &cb;
2795 op->o_req_dn = op->o_bd->be_suffix[0];
2796 op->o_req_ndn = op->o_bd->be_nsuffix[0];
2798 /* update contextCSN */
2799 op->o_msgid = SLAP_SYNC_UPDATE_MSGID;
2801 op->orm_modlist = &mod;
2802 op->orm_no_opattrs = 1;
2803 rc = op->o_bd->be_modify( op, &rs_modify );
2804 op->orm_no_opattrs = 0;
2805 op->o_msgid = 0;
2807 if ( rs_modify.sr_err == LDAP_SUCCESS ) {
2808 slap_sync_cookie_free( &si->si_syncCookie, 0 );
2809 slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
2810 /* If we replaced any old values */
2811 for ( i=0; i<si->si_cookieState->cs_num; i++ ) {
2812 if ( mod.sml_values[i].bv_val != si->si_cookieState->cs_vals[i].bv_val )
2813 ber_bvreplace( &si->si_cookieState->cs_vals[i],
2814 &mod.sml_values[i] );
2816 /* Handle any added values */
2817 if ( i < mod.sml_numvals ) {
2818 si->si_cookieState->cs_num = mod.sml_numvals;
2819 value_add( &si->si_cookieState->cs_vals, &mod.sml_values[i] );
2820 free( si->si_cookieState->cs_sids );
2821 si->si_cookieState->cs_sids = slap_parse_csn_sids(
2822 si->si_cookieState->cs_vals, si->si_cookieState->cs_num, NULL );
2825 si->si_cookieState->cs_age++;
2826 si->si_cookieAge = si->si_cookieState->cs_age;
2827 } else {
2828 Debug( LDAP_DEBUG_ANY,
2829 "syncrepl_updateCookie: %s be_modify failed (%d)\n",
2830 si->si_ridtxt, rs_modify.sr_err, 0 );
2832 ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
2834 op->o_bd = be;
2835 op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
2836 BER_BVZERO( &op->o_csn );
2837 if ( mod.sml_next ) slap_mods_free( mod.sml_next, 1 );
2838 op->o_tmpfree( mod.sml_values, op->o_tmpmemctx );
2840 return rc;
2843 static void
2844 attr_cmp( Operation *op, Attribute *old, Attribute *new,
2845 Modifications ***mret, Modifications ***mcur )
2847 int i, j;
2848 Modifications *mod, **modtail;
2850 modtail = *mret;
2852 if ( old ) {
2853 int n, o, nn, no;
2854 struct berval **adds, **dels;
2855 /* count old and new */
2856 for ( o=0; old->a_vals[o].bv_val; o++ ) ;
2857 for ( n=0; new->a_vals[n].bv_val; n++ ) ;
2859 /* there MUST be both old and new values */
2860 assert( o != 0 );
2861 assert( n != 0 );
2862 j = 0;
2864 adds = op->o_tmpalloc( sizeof(struct berval *) * n, op->o_tmpmemctx );
2865 dels = op->o_tmpalloc( sizeof(struct berval *) * o, op->o_tmpmemctx );
2867 for ( i=0; i<o; i++ ) dels[i] = &old->a_vals[i];
2868 for ( i=0; i<n; i++ ) adds[i] = &new->a_vals[i];
2870 nn = n; no = o;
2872 for ( i=0; i<o; i++ ) {
2873 for ( j=0; j<n; j++ ) {
2874 if ( !adds[j] )
2875 continue;
2876 if ( bvmatch( dels[i], adds[j] ) ) {
2877 no--;
2878 nn--;
2879 adds[j] = NULL;
2880 dels[i] = NULL;
2881 break;
2886 /* Don't delete/add an objectClass, always use the replace op.
2887 * Modify would fail if provider has replaced entry with a new,
2888 * and the new explicitly includes a superior of a class that was
2889 * only included implicitly in the old entry. Ref ITS#5517.
2891 if ( nn && no < o && old->a_desc == slap_schema.si_ad_objectClass )
2892 no = o;
2894 i = j;
2895 /* all old values were deleted, just use the replace op */
2896 if ( no == o ) {
2897 i = j-1;
2898 } else if ( no ) {
2899 /* delete some values */
2900 mod = ch_malloc( sizeof( Modifications ) );
2901 mod->sml_op = LDAP_MOD_DELETE;
2902 mod->sml_flags = 0;
2903 mod->sml_desc = old->a_desc;
2904 mod->sml_type = mod->sml_desc->ad_cname;
2905 mod->sml_numvals = no;
2906 mod->sml_values = ch_malloc( ( no + 1 ) * sizeof(struct berval) );
2907 if ( old->a_vals != old->a_nvals ) {
2908 mod->sml_nvalues = ch_malloc( ( no + 1 ) * sizeof(struct berval) );
2909 } else {
2910 mod->sml_nvalues = NULL;
2912 j = 0;
2913 for ( i = 0; i < o; i++ ) {
2914 if ( !dels[i] ) continue;
2915 ber_dupbv( &mod->sml_values[j], &old->a_vals[i] );
2916 if ( mod->sml_nvalues ) {
2917 ber_dupbv( &mod->sml_nvalues[j], &old->a_nvals[i] );
2919 j++;
2921 BER_BVZERO( &mod->sml_values[j] );
2922 if ( mod->sml_nvalues ) {
2923 BER_BVZERO( &mod->sml_nvalues[j] );
2925 *modtail = mod;
2926 modtail = &mod->sml_next;
2927 i = j;
2929 op->o_tmpfree( dels, op->o_tmpmemctx );
2930 /* some values were added */
2931 if ( nn && no < o ) {
2932 mod = ch_malloc( sizeof( Modifications ) );
2933 mod->sml_op = LDAP_MOD_ADD;
2934 mod->sml_flags = 0;
2935 mod->sml_desc = old->a_desc;
2936 mod->sml_type = mod->sml_desc->ad_cname;
2937 mod->sml_numvals = nn;
2938 mod->sml_values = ch_malloc( ( nn + 1 ) * sizeof(struct berval) );
2939 if ( old->a_vals != old->a_nvals ) {
2940 mod->sml_nvalues = ch_malloc( ( nn + 1 ) * sizeof(struct berval) );
2941 } else {
2942 mod->sml_nvalues = NULL;
2944 j = 0;
2945 for ( i = 0; i < n; i++ ) {
2946 if ( !adds[i] ) continue;
2947 ber_dupbv( &mod->sml_values[j], &new->a_vals[i] );
2948 if ( mod->sml_nvalues ) {
2949 ber_dupbv( &mod->sml_nvalues[j], &new->a_nvals[i] );
2951 j++;
2953 BER_BVZERO( &mod->sml_values[j] );
2954 if ( mod->sml_nvalues ) {
2955 BER_BVZERO( &mod->sml_nvalues[j] );
2957 *modtail = mod;
2958 modtail = &mod->sml_next;
2959 i = j;
2961 op->o_tmpfree( adds, op->o_tmpmemctx );
2962 } else {
2963 /* new attr, just use the new mod */
2964 i = 0;
2965 j = 1;
2967 /* advance to next element */
2968 mod = **mcur;
2969 if ( mod ) {
2970 if ( i != j ) {
2971 **mcur = mod->sml_next;
2972 *modtail = mod;
2973 modtail = &mod->sml_next;
2974 } else {
2975 *mcur = &mod->sml_next;
2978 *mret = modtail;
2981 static int
2982 dn_callback(
2983 Operation* op,
2984 SlapReply* rs )
2986 dninfo *dni = op->o_callback->sc_private;
2988 if ( rs->sr_type == REP_SEARCH ) {
2989 if ( !BER_BVISNULL( &dni->dn ) ) {
2990 Debug( LDAP_DEBUG_ANY,
2991 "dn_callback : consistency error - "
2992 "entryUUID is not unique\n", 0, 0, 0 );
2993 } else {
2994 ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
2995 ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
2996 /* If there is a new entry, see if it differs from the old.
2997 * We compare the non-normalized values so that cosmetic changes
2998 * in the provider are always propagated.
3000 if ( dni->new_entry ) {
3001 Modifications **modtail, **ml;
3002 Attribute *old, *new;
3003 int is_ctx;
3005 is_ctx = dn_match( &rs->sr_entry->e_nname,
3006 &op->o_bd->be_nsuffix[0] );
3008 /* Did the DN change?
3010 if ( !dn_match( &rs->sr_entry->e_name,
3011 &dni->new_entry->e_name ) )
3013 struct berval oldRDN, oldVal;
3014 AttributeDescription *ad = NULL;
3015 Attribute *a;
3017 dni->renamed = 1;
3018 /* See if the oldRDN was deleted */
3019 dnRdn( &rs->sr_entry->e_nname, &oldRDN );
3020 oldVal.bv_val = strchr(oldRDN.bv_val, '=') + 1;
3021 oldVal.bv_len = oldRDN.bv_len - ( oldVal.bv_val -
3022 oldRDN.bv_val );
3023 oldRDN.bv_len -= oldVal.bv_len + 2;
3024 slap_bv2ad( &oldRDN, &ad, &rs->sr_text );
3025 a = attr_find( dni->new_entry->e_attrs, ad );
3026 if ( !a || attr_valfind( a,
3027 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH |
3028 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
3029 SLAP_MR_VALUE_OF_SYNTAX,
3030 &oldVal, NULL, op->o_tmpmemctx ) != LDAP_SUCCESS )
3032 dni->delOldRDN = 1;
3034 /* OK, this was just a modDN, we're done */
3035 return LDAP_SUCCESS;
3038 modtail = &dni->mods;
3039 ml = dni->modlist;
3041 /* Make sure new entry is actually newer than old entry */
3042 old = attr_find( rs->sr_entry->e_attrs,
3043 slap_schema.si_ad_entryCSN );
3044 new = attr_find( dni->new_entry->e_attrs,
3045 slap_schema.si_ad_entryCSN );
3046 if ( new && old ) {
3047 int rc, len = old->a_vals[0].bv_len;
3048 if ( len > new->a_vals[0].bv_len )
3049 len = new->a_vals[0].bv_len;
3050 rc = memcmp( old->a_vals[0].bv_val,
3051 new->a_vals[0].bv_val, len );
3052 if ( rc > 0 ) {
3053 Debug( LDAP_DEBUG_SYNC,
3054 "dn_callback : new entry is older than ours "
3055 "%s ours %s, new %s\n",
3056 rs->sr_entry->e_name.bv_val,
3057 old->a_vals[0].bv_val,
3058 new->a_vals[0].bv_val );
3059 return LDAP_SUCCESS;
3060 } else if ( rc == 0 ) {
3061 Debug( LDAP_DEBUG_SYNC,
3062 "dn_callback : entries have identical CSN "
3063 "%s %s\n",
3064 rs->sr_entry->e_name.bv_val,
3065 old->a_vals[0].bv_val, 0 );
3066 return LDAP_SUCCESS;
3070 /* We assume that attributes are saved in the same order
3071 * in the remote and local databases. So if we walk through
3072 * the attributeDescriptions one by one they should match in
3073 * lock step. If not, look for an add or delete.
3075 for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
3076 old && new; )
3078 /* If we've seen this before, use its mod now */
3079 if ( new->a_flags & SLAP_ATTR_IXADD ) {
3080 attr_cmp( op, NULL, new, &modtail, &ml );
3081 new = new->a_next;
3082 continue;
3084 /* Skip contextCSN */
3085 if ( is_ctx && old->a_desc ==
3086 slap_schema.si_ad_contextCSN ) {
3087 old = old->a_next;
3088 continue;
3091 if ( old->a_desc != new->a_desc ) {
3092 Modifications *mod;
3093 Attribute *tmp;
3095 /* If it's just been re-added later,
3096 * remember that we've seen it.
3098 tmp = attr_find( new, old->a_desc );
3099 if ( tmp ) {
3100 tmp->a_flags |= SLAP_ATTR_IXADD;
3101 } else {
3102 /* If it's a new attribute, pull it in.
3104 tmp = attr_find( old, new->a_desc );
3105 if ( !tmp ) {
3106 attr_cmp( op, NULL, new, &modtail, &ml );
3107 new = new->a_next;
3108 continue;
3110 /* Delete old attr */
3111 mod = ch_malloc( sizeof( Modifications ) );
3112 mod->sml_op = LDAP_MOD_DELETE;
3113 mod->sml_flags = 0;
3114 mod->sml_desc = old->a_desc;
3115 mod->sml_type = mod->sml_desc->ad_cname;
3116 mod->sml_numvals = 0;
3117 mod->sml_values = NULL;
3118 mod->sml_nvalues = NULL;
3119 *modtail = mod;
3120 modtail = &mod->sml_next;
3122 old = old->a_next;
3123 continue;
3125 /* kludge - always update modifiersName so that it
3126 * stays co-located with the other mod opattrs. But only
3127 * if we know there are other valid mods.
3129 if ( old->a_desc == slap_schema.si_ad_modifiersName &&
3130 dni->mods )
3131 attr_cmp( op, NULL, new, &modtail, &ml );
3132 else
3133 attr_cmp( op, old, new, &modtail, &ml );
3134 new = new->a_next;
3135 old = old->a_next;
3137 *modtail = *ml;
3138 *ml = NULL;
3141 } else if ( rs->sr_type == REP_RESULT ) {
3142 if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
3143 Debug( LDAP_DEBUG_ANY,
3144 "dn_callback : consistency error - "
3145 "entryUUID is not unique\n", 0, 0, 0 );
3149 return LDAP_SUCCESS;
3152 static int
3153 nonpresent_callback(
3154 Operation* op,
3155 SlapReply* rs )
3157 syncinfo_t *si = op->o_callback->sc_private;
3158 Attribute *a;
3159 int count = 0;
3160 struct berval* present_uuid = NULL;
3161 struct nonpresent_entry *np_entry;
3163 if ( rs->sr_type == REP_RESULT ) {
3164 count = avl_free( si->si_presentlist, ch_free );
3165 si->si_presentlist = NULL;
3167 } else if ( rs->sr_type == REP_SEARCH ) {
3168 if ( !( si->si_refreshDelete & NP_DELETE_ONE ) ) {
3169 a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
3171 if ( a ) {
3172 present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
3173 syncuuid_cmp );
3176 if ( LogTest( LDAP_DEBUG_SYNC ) ) {
3177 char buf[sizeof("rid=999 not")];
3179 snprintf( buf, sizeof(buf), "%s %s", si->si_ridtxt,
3180 present_uuid ? "got" : "not" );
3182 Debug( LDAP_DEBUG_SYNC, "nonpresent_callback: %s UUID %s, dn %s\n",
3183 buf, a ? a->a_vals[0].bv_val : "<missing>", rs->sr_entry->e_name.bv_val );
3186 if ( a == NULL ) return 0;
3189 if ( present_uuid == NULL ) {
3190 np_entry = (struct nonpresent_entry *)
3191 ch_calloc( 1, sizeof( struct nonpresent_entry ) );
3192 np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
3193 np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
3194 LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
3196 } else {
3197 avl_delete( &si->si_presentlist,
3198 &a->a_nvals[0], syncuuid_cmp );
3199 ch_free( present_uuid );
3202 return LDAP_SUCCESS;
3205 static int
3206 null_callback(
3207 Operation* op,
3208 SlapReply* rs )
3210 if ( rs->sr_err != LDAP_SUCCESS &&
3211 rs->sr_err != LDAP_REFERRAL &&
3212 rs->sr_err != LDAP_ALREADY_EXISTS &&
3213 rs->sr_err != LDAP_NO_SUCH_OBJECT &&
3214 rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
3216 Debug( LDAP_DEBUG_ANY,
3217 "null_callback : error code 0x%x\n",
3218 rs->sr_err, 0, 0 );
3220 return LDAP_SUCCESS;
3223 static struct berval *
3224 slap_uuidstr_from_normalized(
3225 struct berval* uuidstr,
3226 struct berval* normalized,
3227 void *ctx )
3229 #if 0
3230 struct berval *new;
3231 unsigned char nibble;
3232 int i, d = 0;
3234 if ( normalized == NULL ) return NULL;
3235 if ( normalized->bv_len != 16 ) return NULL;
3237 if ( uuidstr ) {
3238 new = uuidstr;
3239 } else {
3240 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3241 if ( new == NULL ) {
3242 return NULL;
3246 new->bv_len = 36;
3248 if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3249 if ( new != uuidstr ) {
3250 slap_sl_free( new, ctx );
3252 return NULL;
3255 for ( i = 0; i < 16; i++ ) {
3256 if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
3257 new->bv_val[(i<<1)+d] = '-';
3258 d += 1;
3261 nibble = (normalized->bv_val[i] >> 4) & 0xF;
3262 if ( nibble < 10 ) {
3263 new->bv_val[(i<<1)+d] = nibble + '0';
3264 } else {
3265 new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
3268 nibble = (normalized->bv_val[i]) & 0xF;
3269 if ( nibble < 10 ) {
3270 new->bv_val[(i<<1)+d+1] = nibble + '0';
3271 } else {
3272 new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
3276 new->bv_val[new->bv_len] = '\0';
3277 return new;
3278 #endif
3280 struct berval *new;
3281 int rc = 0;
3283 if ( normalized == NULL ) return NULL;
3284 if ( normalized->bv_len != 16 ) return NULL;
3286 if ( uuidstr ) {
3287 new = uuidstr;
3289 } else {
3290 new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx );
3291 if ( new == NULL ) {
3292 return NULL;
3296 new->bv_len = 36;
3298 if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
3299 rc = 1;
3300 goto done;
3303 rc = lutil_uuidstr_from_normalized( normalized->bv_val,
3304 normalized->bv_len, new->bv_val, new->bv_len + 1 );
3306 done:;
3307 if ( rc == -1 ) {
3308 if ( new != NULL ) {
3309 if ( new->bv_val != NULL ) {
3310 slap_sl_free( new->bv_val, ctx );
3313 if ( new != uuidstr ) {
3314 slap_sl_free( new, ctx );
3317 new = NULL;
3319 } else {
3320 new->bv_len = rc;
3323 return new;
3326 static int
3327 syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
3329 const struct berval *uuid1 = v_uuid1;
3330 const struct berval *uuid2 = v_uuid2;
3331 int rc = uuid1->bv_len - uuid2->bv_len;
3332 if ( rc ) return rc;
3333 return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
3336 void
3337 syncinfo_free( syncinfo_t *sie, int free_all )
3339 syncinfo_t *si_next;
3341 if ( free_all && sie->si_cookieState ) {
3342 ch_free( sie->si_cookieState->cs_sids );
3343 ber_bvarray_free( sie->si_cookieState->cs_vals );
3344 ldap_pvt_thread_mutex_destroy( &sie->si_cookieState->cs_mutex );
3345 ch_free( sie->si_cookieState );
3347 do {
3348 si_next = sie->si_next;
3350 if ( sie->si_ld ) {
3351 if ( sie->si_conn ) {
3352 connection_client_stop( sie->si_conn );
3353 sie->si_conn = NULL;
3355 ldap_unbind_ext( sie->si_ld, NULL, NULL );
3358 /* re-fetch it, in case it was already removed */
3359 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
3360 sie->si_re = ldap_pvt_runqueue_find( &slapd_rq, do_syncrepl, sie );
3361 if ( sie->si_re ) {
3362 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, sie->si_re ) )
3363 ldap_pvt_runqueue_stoptask( &slapd_rq, sie->si_re );
3364 ldap_pvt_runqueue_remove( &slapd_rq, sie->si_re );
3367 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
3368 ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
3370 bindconf_free( &sie->si_bindconf );
3372 if ( sie->si_filterstr.bv_val ) {
3373 ch_free( sie->si_filterstr.bv_val );
3375 if ( sie->si_logfilterstr.bv_val ) {
3376 ch_free( sie->si_logfilterstr.bv_val );
3378 if ( sie->si_base.bv_val ) {
3379 ch_free( sie->si_base.bv_val );
3381 if ( sie->si_logbase.bv_val ) {
3382 ch_free( sie->si_logbase.bv_val );
3384 if ( sie->si_attrs ) {
3385 int i = 0;
3386 while ( sie->si_attrs[i] != NULL ) {
3387 ch_free( sie->si_attrs[i] );
3388 i++;
3390 ch_free( sie->si_attrs );
3392 if ( sie->si_exattrs ) {
3393 int i = 0;
3394 while ( sie->si_exattrs[i] != NULL ) {
3395 ch_free( sie->si_exattrs[i] );
3396 i++;
3398 ch_free( sie->si_exattrs );
3400 if ( sie->si_anlist ) {
3401 int i = 0;
3402 while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
3403 ch_free( sie->si_anlist[i].an_name.bv_val );
3404 i++;
3406 ch_free( sie->si_anlist );
3408 if ( sie->si_exanlist ) {
3409 int i = 0;
3410 while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
3411 ch_free( sie->si_exanlist[i].an_name.bv_val );
3412 i++;
3414 ch_free( sie->si_exanlist );
3416 if ( sie->si_retryinterval ) {
3417 ch_free( sie->si_retryinterval );
3419 if ( sie->si_retrynum ) {
3420 ch_free( sie->si_retrynum );
3422 if ( sie->si_retrynum_init ) {
3423 ch_free( sie->si_retrynum_init );
3425 slap_sync_cookie_free( &sie->si_syncCookie, 0 );
3426 if ( sie->si_presentlist ) {
3427 avl_free( sie->si_presentlist, ch_free );
3429 while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist ) ) {
3430 struct nonpresent_entry* npe;
3431 npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
3432 LDAP_LIST_REMOVE( npe, npe_link );
3433 if ( npe->npe_name ) {
3434 if ( npe->npe_name->bv_val ) {
3435 ch_free( npe->npe_name->bv_val );
3437 ch_free( npe->npe_name );
3439 if ( npe->npe_nname ) {
3440 if ( npe->npe_nname->bv_val ) {
3441 ch_free( npe->npe_nname->bv_val );
3443 ch_free( npe->npe_nname );
3445 ch_free( npe );
3447 ch_free( sie );
3448 sie = si_next;
3449 } while ( free_all && si_next );
3454 /* NOTE: used & documented in slapd.conf(5) */
3455 #define IDSTR "rid"
3456 #define PROVIDERSTR "provider"
3457 #define SCHEMASTR "schemachecking"
3458 #define FILTERSTR "filter"
3459 #define SEARCHBASESTR "searchbase"
3460 #define SCOPESTR "scope"
3461 #define ATTRSONLYSTR "attrsonly"
3462 #define ATTRSSTR "attrs"
3463 #define TYPESTR "type"
3464 #define INTERVALSTR "interval"
3465 #define RETRYSTR "retry"
3466 #define SLIMITSTR "sizelimit"
3467 #define TLIMITSTR "timelimit"
3468 #define SYNCDATASTR "syncdata"
3469 #define LOGBASESTR "logbase"
3470 #define LOGFILTERSTR "logfilter"
3472 /* FIXME: undocumented */
3473 #define EXATTRSSTR "exattrs"
3474 #define MANAGEDSAITSTR "manageDSAit"
3476 /* mandatory */
3477 #define GOT_ID 0x0001
3478 #define GOT_PROVIDER 0x0002
3479 #define GOT_BASE 0x0004
3481 /* check */
3482 #define GOT_ALL (GOT_ID|GOT_PROVIDER|GOT_BASE)
3484 static struct {
3485 struct berval key;
3486 int val;
3487 } scopes[] = {
3488 { BER_BVC("base"), LDAP_SCOPE_BASE },
3489 { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
3490 { BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL }, /* OpenLDAP extension */
3491 { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
3492 { BER_BVC("subord"), LDAP_SCOPE_SUBORDINATE },
3493 { BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
3494 { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
3495 { BER_BVC("subtree"), LDAP_SCOPE_SUBTREE }, /* OpenLDAP extension */
3496 { BER_BVNULL, 0 }
3499 static slap_verbmasks datamodes[] = {
3500 { BER_BVC("default"), SYNCDATA_DEFAULT },
3501 { BER_BVC("accesslog"), SYNCDATA_ACCESSLOG },
3502 { BER_BVC("changelog"), SYNCDATA_CHANGELOG },
3503 { BER_BVNULL, 0 }
3506 static int
3507 parse_syncrepl_line(
3508 ConfigArgs *c,
3509 syncinfo_t *si )
3511 int gots = 0;
3512 int i;
3513 char *val;
3515 for ( i = 1; i < c->argc; i++ ) {
3516 if ( !strncasecmp( c->argv[ i ], IDSTR "=",
3517 STRLENOF( IDSTR "=" ) ) )
3519 int tmp;
3520 /* '\0' string terminator accounts for '=' */
3521 val = c->argv[ i ] + STRLENOF( IDSTR "=" );
3522 if ( lutil_atoi( &tmp, val ) != 0 ) {
3523 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3524 "Error: parse_syncrepl_line: "
3525 "unable to parse syncrepl id \"%s\"", val );
3526 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3527 return -1;
3529 if ( tmp > SLAP_SYNC_SID_MAX || tmp < 0 ) {
3530 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3531 "Error: parse_syncrepl_line: "
3532 "syncrepl id %d is out of range [0..4095]", tmp );
3533 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3534 return -1;
3536 si->si_rid = tmp;
3537 sprintf( si->si_ridtxt, IDSTR "=%03d", si->si_rid );
3538 gots |= GOT_ID;
3539 } else if ( !strncasecmp( c->argv[ i ], PROVIDERSTR "=",
3540 STRLENOF( PROVIDERSTR "=" ) ) )
3542 val = c->argv[ i ] + STRLENOF( PROVIDERSTR "=" );
3543 ber_str2bv( val, 0, 1, &si->si_bindconf.sb_uri );
3544 gots |= GOT_PROVIDER;
3545 } else if ( !strncasecmp( c->argv[ i ], SCHEMASTR "=",
3546 STRLENOF( SCHEMASTR "=" ) ) )
3548 val = c->argv[ i ] + STRLENOF( SCHEMASTR "=" );
3549 if ( !strncasecmp( val, "on", STRLENOF( "on" ) ) ) {
3550 si->si_schemachecking = 1;
3551 } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
3552 si->si_schemachecking = 0;
3553 } else {
3554 si->si_schemachecking = 1;
3556 } else if ( !strncasecmp( c->argv[ i ], FILTERSTR "=",
3557 STRLENOF( FILTERSTR "=" ) ) )
3559 val = c->argv[ i ] + STRLENOF( FILTERSTR "=" );
3560 if ( si->si_filterstr.bv_val )
3561 ch_free( si->si_filterstr.bv_val );
3562 ber_str2bv( val, 0, 1, &si->si_filterstr );
3563 } else if ( !strncasecmp( c->argv[ i ], LOGFILTERSTR "=",
3564 STRLENOF( LOGFILTERSTR "=" ) ) )
3566 val = c->argv[ i ] + STRLENOF( LOGFILTERSTR "=" );
3567 if ( si->si_logfilterstr.bv_val )
3568 ch_free( si->si_logfilterstr.bv_val );
3569 ber_str2bv( val, 0, 1, &si->si_logfilterstr );
3570 } else if ( !strncasecmp( c->argv[ i ], SEARCHBASESTR "=",
3571 STRLENOF( SEARCHBASESTR "=" ) ) )
3573 struct berval bv;
3574 int rc;
3576 val = c->argv[ i ] + STRLENOF( SEARCHBASESTR "=" );
3577 if ( si->si_base.bv_val ) {
3578 ch_free( si->si_base.bv_val );
3580 ber_str2bv( val, 0, 0, &bv );
3581 rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
3582 if ( rc != LDAP_SUCCESS ) {
3583 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3584 "Invalid base DN \"%s\": %d (%s)",
3585 val, rc, ldap_err2string( rc ) );
3586 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3587 return -1;
3589 if ( !be_issubordinate( c->be, &si->si_base ) ) {
3590 ch_free( si->si_base.bv_val );
3591 BER_BVZERO( &si->si_base );
3592 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3593 "Base DN \"%s\" is not within the database naming context",
3594 val );
3595 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3596 return -1;
3598 gots |= GOT_BASE;
3599 } else if ( !strncasecmp( c->argv[ i ], LOGBASESTR "=",
3600 STRLENOF( LOGBASESTR "=" ) ) )
3602 struct berval bv;
3603 int rc;
3605 val = c->argv[ i ] + STRLENOF( LOGBASESTR "=" );
3606 if ( si->si_logbase.bv_val ) {
3607 ch_free( si->si_logbase.bv_val );
3609 ber_str2bv( val, 0, 0, &bv );
3610 rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_logbase, NULL );
3611 if ( rc != LDAP_SUCCESS ) {
3612 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3613 "Invalid logbase DN \"%s\": %d (%s)",
3614 val, rc, ldap_err2string( rc ) );
3615 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3616 return -1;
3618 } else if ( !strncasecmp( c->argv[ i ], SCOPESTR "=",
3619 STRLENOF( SCOPESTR "=" ) ) )
3621 int j;
3622 val = c->argv[ i ] + STRLENOF( SCOPESTR "=" );
3623 for ( j = 0; !BER_BVISNULL(&scopes[j].key); j++ ) {
3624 if (!strcasecmp( val, scopes[j].key.bv_val ) ) {
3625 si->si_scope = scopes[j].val;
3626 break;
3629 if ( BER_BVISNULL(&scopes[j].key) ) {
3630 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3631 "Error: parse_syncrepl_line: "
3632 "unknown scope \"%s\"", val);
3633 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3634 return -1;
3636 } else if ( !strncasecmp( c->argv[ i ], ATTRSONLYSTR,
3637 STRLENOF( ATTRSONLYSTR ) ) )
3639 si->si_attrsonly = 1;
3640 } else if ( !strncasecmp( c->argv[ i ], ATTRSSTR "=",
3641 STRLENOF( ATTRSSTR "=" ) ) )
3643 val = c->argv[ i ] + STRLENOF( ATTRSSTR "=" );
3644 if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3645 char *attr_fname;
3646 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3647 si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
3648 if ( si->si_anlist == NULL ) {
3649 ch_free( attr_fname );
3650 return -1;
3652 si->si_anfile = attr_fname;
3653 } else {
3654 char *str, *s, *next;
3655 const char *delimstr = " ,\t";
3656 str = ch_strdup( val );
3657 for ( s = ldap_pvt_strtok( str, delimstr, &next );
3658 s != NULL;
3659 s = ldap_pvt_strtok( NULL, delimstr, &next ) )
3661 if ( strlen(s) == 1 && *s == '*' ) {
3662 si->si_allattrs = 1;
3663 val[ s - str ] = delimstr[0];
3665 if ( strlen(s) == 1 && *s == '+' ) {
3666 si->si_allopattrs = 1;
3667 val [ s - str ] = delimstr[0];
3670 ch_free( str );
3671 si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
3672 if ( si->si_anlist == NULL ) {
3673 return -1;
3676 } else if ( !strncasecmp( c->argv[ i ], EXATTRSSTR "=",
3677 STRLENOF( EXATTRSSTR "=" ) ) )
3679 val = c->argv[ i ] + STRLENOF( EXATTRSSTR "=" );
3680 if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
3681 char *attr_fname;
3682 attr_fname = ch_strdup( val + STRLENOF(":include:") );
3683 si->si_exanlist = file2anlist(
3684 si->si_exanlist, attr_fname, " ,\t" );
3685 if ( si->si_exanlist == NULL ) {
3686 ch_free( attr_fname );
3687 return -1;
3689 ch_free( attr_fname );
3690 } else {
3691 si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
3692 if ( si->si_exanlist == NULL ) {
3693 return -1;
3696 } else if ( !strncasecmp( c->argv[ i ], TYPESTR "=",
3697 STRLENOF( TYPESTR "=" ) ) )
3699 val = c->argv[ i ] + STRLENOF( TYPESTR "=" );
3700 if ( !strncasecmp( val, "refreshOnly",
3701 STRLENOF("refreshOnly") ) )
3703 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3704 } else if ( !strncasecmp( val, "refreshAndPersist",
3705 STRLENOF("refreshAndPersist") ) )
3707 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_AND_PERSIST;
3708 si->si_interval = 60;
3709 } else {
3710 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3711 "Error: parse_syncrepl_line: "
3712 "unknown sync type \"%s\"", val);
3713 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3714 return -1;
3716 } else if ( !strncasecmp( c->argv[ i ], INTERVALSTR "=",
3717 STRLENOF( INTERVALSTR "=" ) ) )
3719 val = c->argv[ i ] + STRLENOF( INTERVALSTR "=" );
3720 if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
3721 si->si_interval = 0;
3722 } else if ( strchr( val, ':' ) != NULL ) {
3723 char *next, *ptr = val;
3724 int dd, hh, mm, ss;
3726 dd = strtol( ptr, &next, 10 );
3727 if ( next == ptr || next[0] != ':' || dd < 0 ) {
3728 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3729 "Error: parse_syncrepl_line: "
3730 "invalid interval \"%s\", unable to parse days", val );
3731 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3732 return -1;
3734 ptr = next + 1;
3735 hh = strtol( ptr, &next, 10 );
3736 if ( next == ptr || next[0] != ':' || hh < 0 || hh > 24 ) {
3737 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3738 "Error: parse_syncrepl_line: "
3739 "invalid interval \"%s\", unable to parse hours", val );
3740 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3741 return -1;
3743 ptr = next + 1;
3744 mm = strtol( ptr, &next, 10 );
3745 if ( next == ptr || next[0] != ':' || mm < 0 || mm > 60 ) {
3746 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3747 "Error: parse_syncrepl_line: "
3748 "invalid interval \"%s\", unable to parse minutes", val );
3749 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3750 return -1;
3752 ptr = next + 1;
3753 ss = strtol( ptr, &next, 10 );
3754 if ( next == ptr || next[0] != '\0' || ss < 0 || ss > 60 ) {
3755 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3756 "Error: parse_syncrepl_line: "
3757 "invalid interval \"%s\", unable to parse seconds", val );
3758 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3759 return -1;
3761 si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
3762 } else {
3763 unsigned long t;
3765 if ( lutil_parse_time( val, &t ) != 0 ) {
3766 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3767 "Error: parse_syncrepl_line: "
3768 "invalid interval \"%s\"", val );
3769 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3770 return -1;
3772 si->si_interval = (time_t)t;
3774 if ( si->si_interval < 0 ) {
3775 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3776 "Error: parse_syncrepl_line: "
3777 "invalid interval \"%ld\"",
3778 (long) si->si_interval);
3779 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3780 return -1;
3782 } else if ( !strncasecmp( c->argv[ i ], RETRYSTR "=",
3783 STRLENOF( RETRYSTR "=" ) ) )
3785 char **retry_list;
3786 int j, k, n;
3788 val = c->argv[ i ] + STRLENOF( RETRYSTR "=" );
3789 retry_list = (char **) ch_calloc( 1, sizeof( char * ) );
3790 retry_list[0] = NULL;
3792 slap_str2clist( &retry_list, val, " ,\t" );
3794 for ( k = 0; retry_list && retry_list[k]; k++ ) ;
3795 n = k / 2;
3796 if ( k % 2 ) {
3797 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3798 "Error: incomplete syncrepl retry list" );
3799 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3800 for ( k = 0; retry_list && retry_list[k]; k++ ) {
3801 ch_free( retry_list[k] );
3803 ch_free( retry_list );
3804 return 1;
3806 si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ) );
3807 si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ) );
3808 si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ) );
3809 for ( j = 0; j < n; j++ ) {
3810 unsigned long t;
3811 if ( lutil_atoul( &t, retry_list[j*2] ) != 0 ) {
3812 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3813 "Error: invalid retry interval \"%s\" (#%d)",
3814 retry_list[j*2], j );
3815 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3816 /* do some cleanup */
3817 return 1;
3819 si->si_retryinterval[j] = (time_t)t;
3820 if ( *retry_list[j*2+1] == '+' ) {
3821 si->si_retrynum_init[j] = RETRYNUM_FOREVER;
3822 si->si_retrynum[j] = RETRYNUM_FOREVER;
3823 j++;
3824 break;
3825 } else {
3826 if ( lutil_atoi( &si->si_retrynum_init[j], retry_list[j*2+1] ) != 0
3827 || si->si_retrynum_init[j] <= 0 )
3829 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3830 "Error: invalid initial retry number \"%s\" (#%d)",
3831 retry_list[j*2+1], j );
3832 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3833 /* do some cleanup */
3834 return 1;
3836 if ( lutil_atoi( &si->si_retrynum[j], retry_list[j*2+1] ) != 0
3837 || si->si_retrynum[j] <= 0 )
3839 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3840 "Error: invalid retry number \"%s\" (#%d)",
3841 retry_list[j*2+1], j );
3842 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3843 /* do some cleanup */
3844 return 1;
3848 si->si_retrynum_init[j] = RETRYNUM_TAIL;
3849 si->si_retrynum[j] = RETRYNUM_TAIL;
3850 si->si_retryinterval[j] = 0;
3852 for ( k = 0; retry_list && retry_list[k]; k++ ) {
3853 ch_free( retry_list[k] );
3855 ch_free( retry_list );
3856 } else if ( !strncasecmp( c->argv[ i ], MANAGEDSAITSTR "=",
3857 STRLENOF( MANAGEDSAITSTR "=" ) ) )
3859 val = c->argv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
3860 if ( lutil_atoi( &si->si_manageDSAit, val ) != 0
3861 || si->si_manageDSAit < 0 || si->si_manageDSAit > 1 )
3863 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3864 "invalid manageDSAit value \"%s\".\n",
3865 val );
3866 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3867 return 1;
3869 } else if ( !strncasecmp( c->argv[ i ], SLIMITSTR "=",
3870 STRLENOF( SLIMITSTR "=") ) )
3872 val = c->argv[ i ] + STRLENOF( SLIMITSTR "=" );
3873 if ( strcasecmp( val, "unlimited" ) == 0 ) {
3874 si->si_slimit = 0;
3876 } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || si->si_slimit < 0 ) {
3877 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3878 "invalid size limit value \"%s\".\n",
3879 val );
3880 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3881 return 1;
3883 } else if ( !strncasecmp( c->argv[ i ], TLIMITSTR "=",
3884 STRLENOF( TLIMITSTR "=" ) ) )
3886 val = c->argv[ i ] + STRLENOF( TLIMITSTR "=" );
3887 if ( strcasecmp( val, "unlimited" ) == 0 ) {
3888 si->si_tlimit = 0;
3890 } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || si->si_tlimit < 0 ) {
3891 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3892 "invalid time limit value \"%s\".\n",
3893 val );
3894 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3895 return 1;
3897 } else if ( !strncasecmp( c->argv[ i ], SYNCDATASTR "=",
3898 STRLENOF( SYNCDATASTR "=" ) ) )
3900 val = c->argv[ i ] + STRLENOF( SYNCDATASTR "=" );
3901 si->si_syncdata = verb_to_mask( val, datamodes );
3902 } else if ( bindconf_parse( c->argv[i], &si->si_bindconf ) ) {
3903 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3904 "Error: parse_syncrepl_line: "
3905 "unable to parse \"%s\"\n", c->argv[ i ] );
3906 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3907 return -1;
3911 if ( gots != GOT_ALL ) {
3912 snprintf( c->cr_msg, sizeof( c->cr_msg ),
3913 "Error: Malformed \"syncrepl\" line in slapd config file, missing%s%s%s",
3914 gots & GOT_ID ? "" : " "IDSTR,
3915 gots & GOT_PROVIDER ? "" : " "PROVIDERSTR,
3916 gots & GOT_BASE ? "" : " "SEARCHBASESTR );
3917 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
3918 return -1;
3921 return 0;
3924 static int
3925 add_syncrepl(
3926 ConfigArgs *c )
3928 syncinfo_t *si;
3929 int rc = 0;
3931 if ( !( c->be->be_search && c->be->be_add && c->be->be_modify && c->be->be_delete ) ) {
3932 snprintf( c->cr_msg, sizeof(c->cr_msg), "database %s does not support "
3933 "operations required for syncrepl", c->be->be_type );
3934 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg, 0 );
3935 return 1;
3937 if ( BER_BVISEMPTY( &c->be->be_rootdn ) ) {
3938 strcpy( c->cr_msg, "rootDN must be defined before syncrepl may be used" );
3939 Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg, 0 );
3940 return 1;
3942 si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
3944 if ( si == NULL ) {
3945 Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
3946 return 1;
3949 si->si_bindconf.sb_tls = SB_TLS_OFF;
3950 si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
3951 si->si_schemachecking = 0;
3952 ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
3953 &si->si_filterstr );
3954 si->si_base.bv_val = NULL;
3955 si->si_scope = LDAP_SCOPE_SUBTREE;
3956 si->si_attrsonly = 0;
3957 si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
3958 si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) );
3959 si->si_attrs = NULL;
3960 si->si_allattrs = 0;
3961 si->si_allopattrs = 0;
3962 si->si_exattrs = NULL;
3963 si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
3964 si->si_interval = 86400;
3965 si->si_retryinterval = NULL;
3966 si->si_retrynum_init = NULL;
3967 si->si_retrynum = NULL;
3968 si->si_manageDSAit = 0;
3969 si->si_tlimit = 0;
3970 si->si_slimit = 0;
3972 si->si_presentlist = NULL;
3973 LDAP_LIST_INIT( &si->si_nonpresentlist );
3974 ldap_pvt_thread_mutex_init( &si->si_mutex );
3976 rc = parse_syncrepl_line( c, si );
3978 if ( rc == 0 ) {
3979 /* Must be LDAPv3 because we need controls */
3980 switch ( si->si_bindconf.sb_version ) {
3981 case 0:
3982 /* not explicitly set */
3983 si->si_bindconf.sb_version = LDAP_VERSION3;
3984 break;
3985 case 3:
3986 /* explicitly set */
3987 break;
3988 default:
3989 Debug( LDAP_DEBUG_ANY,
3990 "version %d incompatible with syncrepl\n",
3991 si->si_bindconf.sb_version, 0, 0 );
3992 syncinfo_free( si, 0 );
3993 return 1;
3996 si->si_be = c->be;
3997 if ( slapMode & SLAP_SERVER_MODE ) {
3998 Listener **l = slapd_get_listeners();
3999 int isMe = 0;
4001 /* check if URL points to current server. If so, ignore
4002 * this configuration. We require an exact match. Just
4003 * in case they really want to do this, they can vary
4004 * the case of the URL to allow it.
4006 if ( l && !SLAP_DBHIDDEN( c->be ) ) {
4007 int i;
4008 for ( i=0; l[i]; i++ ) {
4009 if ( bvmatch( &l[i]->sl_url, &si->si_bindconf.sb_uri ) ) {
4010 isMe = 1;
4011 break;
4016 if ( !isMe ) {
4017 init_syncrepl( si );
4018 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
4019 si->si_re = ldap_pvt_runqueue_insert( &slapd_rq,
4020 si->si_interval, do_syncrepl, si, "do_syncrepl",
4021 si->si_ridtxt );
4022 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
4023 if ( si->si_re )
4024 rc = config_sync_shadow( c ) ? -1 : 0;
4025 else
4026 rc = -1;
4028 } else {
4029 /* mirrormode still needs to see this flag in tool mode */
4030 rc = config_sync_shadow( c ) ? -1 : 0;
4034 #ifdef HAVE_TLS
4035 /* Use main slapd defaults */
4036 bindconf_tls_defaults( &si->si_bindconf );
4037 #endif
4038 if ( rc < 0 ) {
4039 Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
4040 syncinfo_free( si, 0 );
4041 return 1;
4042 } else {
4043 Debug( LDAP_DEBUG_CONFIG,
4044 "Config: ** successfully added syncrepl \"%s\"\n",
4045 BER_BVISNULL( &si->si_bindconf.sb_uri ) ?
4046 "(null)" : si->si_bindconf.sb_uri.bv_val, 0, 0 );
4047 if ( !si->si_schemachecking ) {
4048 SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
4050 if ( c->be->be_syncinfo ) {
4051 si->si_cookieState = c->be->be_syncinfo->si_cookieState;
4052 } else {
4053 si->si_cookieState = ch_calloc( 1, sizeof( cookie_state ));
4054 ldap_pvt_thread_mutex_init( &si->si_cookieState->cs_mutex );
4056 si->si_next = c->be->be_syncinfo;
4057 c->be->be_syncinfo = si;
4058 return 0;
4062 static void
4063 syncrepl_unparse( syncinfo_t *si, struct berval *bv )
4065 struct berval bc, uri;
4066 char buf[BUFSIZ*2], *ptr;
4067 int i;
4069 #define WHATSLEFT ( sizeof( buf ) - ( ptr - buf ) )
4071 BER_BVZERO( bv );
4073 /* temporarily inhibit bindconf from printing URI */
4074 uri = si->si_bindconf.sb_uri;
4075 BER_BVZERO( &si->si_bindconf.sb_uri );
4076 si->si_bindconf.sb_version = 0;
4077 bindconf_unparse( &si->si_bindconf, &bc );
4078 si->si_bindconf.sb_uri = uri;
4079 si->si_bindconf.sb_version = LDAP_VERSION3;
4081 ptr = buf;
4082 assert( si->si_rid >= 0 && si->si_rid <= SLAP_SYNC_SID_MAX );
4083 ptr += snprintf( ptr, WHATSLEFT, IDSTR "=%03d " PROVIDERSTR "=%s",
4084 si->si_rid, si->si_bindconf.sb_uri.bv_val );
4085 if ( ptr - buf >= sizeof( buf ) ) return;
4086 if ( !BER_BVISNULL( &bc ) ) {
4087 if ( WHATSLEFT <= bc.bv_len ) {
4088 free( bc.bv_val );
4089 return;
4091 ptr = lutil_strcopy( ptr, bc.bv_val );
4092 free( bc.bv_val );
4094 if ( !BER_BVISEMPTY( &si->si_filterstr ) ) {
4095 if ( WHATSLEFT <= STRLENOF( " " FILTERSTR "=\"" "\"" ) + si->si_filterstr.bv_len ) return;
4096 ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
4097 ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
4098 *ptr++ = '"';
4100 if ( !BER_BVISNULL( &si->si_base ) ) {
4101 if ( WHATSLEFT <= STRLENOF( " " SEARCHBASESTR "=\"" "\"" ) + si->si_base.bv_len ) return;
4102 ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
4103 ptr = lutil_strcopy( ptr, si->si_base.bv_val );
4104 *ptr++ = '"';
4106 if ( !BER_BVISEMPTY( &si->si_logfilterstr ) ) {
4107 if ( WHATSLEFT <= STRLENOF( " " LOGFILTERSTR "=\"" "\"" ) + si->si_logfilterstr.bv_len ) return;
4108 ptr = lutil_strcopy( ptr, " " LOGFILTERSTR "=\"" );
4109 ptr = lutil_strcopy( ptr, si->si_logfilterstr.bv_val );
4110 *ptr++ = '"';
4112 if ( !BER_BVISNULL( &si->si_logbase ) ) {
4113 if ( WHATSLEFT <= STRLENOF( " " LOGBASESTR "=\"" "\"" ) + si->si_logbase.bv_len ) return;
4114 ptr = lutil_strcopy( ptr, " " LOGBASESTR "=\"" );
4115 ptr = lutil_strcopy( ptr, si->si_logbase.bv_val );
4116 *ptr++ = '"';
4118 for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
4119 if ( si->si_scope == scopes[i].val ) {
4120 if ( WHATSLEFT <= STRLENOF( " " SCOPESTR "=" ) + scopes[i].key.bv_len ) return;
4121 ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
4122 ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
4123 break;
4126 if ( si->si_attrsonly ) {
4127 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
4128 ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR );
4130 if ( si->si_anfile ) {
4131 if ( WHATSLEFT <= STRLENOF( " " ATTRSSTR "=\":include:" "\"" ) + strlen( si->si_anfile ) ) return;
4132 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:\"" );
4133 ptr = lutil_strcopy( ptr, si->si_anfile );
4134 *ptr++ = '"';
4135 } else if ( si->si_allattrs || si->si_allopattrs ||
4136 ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) ) )
4138 char *old;
4140 if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
4141 ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
4142 old = ptr;
4143 /* FIXME: add check for overflow */
4144 ptr = anlist_unparse( si->si_anlist, ptr, WHATSLEFT );
4145 if ( si->si_allattrs ) {
4146 if ( WHATSLEFT <= STRLENOF( ",*\"" ) ) return;
4147 if ( old != ptr ) *ptr++ = ',';
4148 *ptr++ = '*';
4150 if ( si->si_allopattrs ) {
4151 if ( WHATSLEFT <= STRLENOF( ",+\"" ) ) return;
4152 if ( old != ptr ) *ptr++ = ',';
4153 *ptr++ = '+';
4155 *ptr++ = '"';
4157 if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
4158 if ( WHATSLEFT <= STRLENOF( " " EXATTRSSTR "=" ) ) return;
4159 ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
4160 /* FIXME: add check for overflow */
4161 ptr = anlist_unparse( si->si_exanlist, ptr, WHATSLEFT );
4163 if ( WHATSLEFT <= STRLENOF( " " SCHEMASTR "=" ) + STRLENOF( "off" ) ) return;
4164 ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
4165 ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
4167 if ( WHATSLEFT <= STRLENOF( " " TYPESTR "=" ) + STRLENOF( "refreshAndPersist" ) ) return;
4168 ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
4169 ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
4170 "refreshAndPersist" : "refreshOnly" );
4172 if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
4173 int dd, hh, mm, ss;
4175 dd = si->si_interval;
4176 ss = dd % 60;
4177 dd /= 60;
4178 mm = dd % 60;
4179 dd /= 60;
4180 hh = dd % 24;
4181 dd /= 24;
4182 ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
4183 ptr += snprintf( ptr, WHATSLEFT, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
4184 if ( ptr - buf >= sizeof( buf ) ) return;
4185 } else if ( si->si_retryinterval ) {
4186 int space=0;
4187 if ( WHATSLEFT <= STRLENOF( " " RETRYSTR "=\"" "\"" ) ) return;
4188 ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
4189 for (i=0; si->si_retryinterval[i]; i++) {
4190 if ( space ) *ptr++ = ' ';
4191 space = 1;
4192 ptr += snprintf( ptr, WHATSLEFT, "%ld ", (long) si->si_retryinterval[i] );
4193 if ( si->si_retrynum_init[i] == RETRYNUM_FOREVER )
4194 *ptr++ = '+';
4195 else
4196 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_retrynum_init[i] );
4198 if ( WHATSLEFT <= STRLENOF( "\"" ) ) return;
4199 *ptr++ = '"';
4202 if ( si->si_slimit ) {
4203 if ( WHATSLEFT <= STRLENOF( " " SLIMITSTR "=" ) ) return;
4204 ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
4205 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_slimit );
4208 if ( si->si_tlimit ) {
4209 if ( WHATSLEFT <= STRLENOF( " " TLIMITSTR "=" ) ) return;
4210 ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
4211 ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_tlimit );
4214 if ( si->si_syncdata ) {
4215 if ( enum_to_verb( datamodes, si->si_syncdata, &bc ) >= 0 ) {
4216 if ( WHATSLEFT <= STRLENOF( " " SYNCDATASTR "=" ) + bc.bv_len ) return;
4217 ptr = lutil_strcopy( ptr, " " SYNCDATASTR "=" );
4218 ptr = lutil_strcopy( ptr, bc.bv_val );
4221 bc.bv_len = ptr - buf;
4222 bc.bv_val = buf;
4223 ber_dupbv( bv, &bc );
4227 syncrepl_config( ConfigArgs *c )
4229 if (c->op == SLAP_CONFIG_EMIT) {
4230 if ( c->be->be_syncinfo ) {
4231 struct berval bv;
4232 syncinfo_t *si;
4234 for ( si = c->be->be_syncinfo; si; si=si->si_next ) {
4235 syncrepl_unparse( si, &bv );
4236 ber_bvarray_add( &c->rvalue_vals, &bv );
4238 return 0;
4240 return 1;
4241 } else if ( c->op == LDAP_MOD_DELETE ) {
4242 cookie_state *cs = NULL;
4243 if ( c->be->be_syncinfo ) {
4244 syncinfo_t *si, **sip;
4245 int i;
4247 cs = c->be->be_syncinfo->si_cookieState;
4248 for ( sip = &c->be->be_syncinfo, i=0; *sip; i++ ) {
4249 si = *sip;
4250 if ( c->valx == -1 || i == c->valx ) {
4251 int isrunning = 0;
4252 *sip = si->si_next;
4253 /* If the task is currently active, we have to leave
4254 * it running. It will exit on its own. This will only
4255 * happen when running on the cn=config DB.
4257 if ( si->si_re ) {
4258 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
4259 isrunning = ldap_pvt_runqueue_isrunning( &slapd_rq, si->si_re );
4260 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
4262 if ( si->si_re && isrunning ) {
4263 si->si_ctype = 0;
4264 } else {
4265 syncinfo_free( si, 0 );
4267 if ( i == c->valx )
4268 break;
4269 } else {
4270 sip = &si->si_next;
4274 if ( !c->be->be_syncinfo ) {
4275 SLAP_DBFLAGS( c->be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
4276 if ( cs ) {
4277 ber_bvarray_free( cs->cs_vals );
4278 ldap_pvt_thread_mutex_destroy( &cs->cs_mutex );
4279 ch_free( cs );
4282 return 0;
4284 if ( SLAP_SLURP_SHADOW( c->be ) ) {
4285 Debug(LDAP_DEBUG_ANY, "%s: "
4286 "syncrepl: database already shadowed.\n",
4287 c->log, 0, 0);
4288 return(1);
4289 } else {
4290 return add_syncrepl( c );