/* syncrepl.c -- Replication Engine which uses the LDAP Sync protocol */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 2003-2022 The OpenLDAP Foundation. * Portions Copyright 2003 by IBM Corporation. * Portions Copyright 2003-2008 by Howard Chu, Symas Corporation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in the file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ #include "portable.h" #include #include #include #include "lutil.h" #include "slap.h" #include "lutil_ldap.h" #include "slap-config.h" #include "ldap_rq.h" #include "rewrite.h" #include "back-monitor/back-monitor.h" #define SUFFIXM_CTX "" #ifdef LDAP_CONTROL_X_DIRSYNC #define MSAD_DIRSYNC 0x04 #define MSAD_DIRSYNC_MODIFY 0x10 static AttributeDescription *sy_ad_objectGUID; static AttributeDescription *sy_ad_instanceType; static AttributeDescription *sy_ad_isDeleted; static AttributeDescription *sy_ad_whenCreated; static AttributeDescription *sy_ad_dirSyncCookie; static struct berval msad_addval = BER_BVC("range=1-1"); static struct berval msad_delval = BER_BVC("range=0-0"); #endif static AttributeDescription *sy_ad_nsUniqueId; static AttributeDescription *sy_ad_dseeLastChange; #define DSEE_SYNC_ADD 0x20 #define UUIDLEN 16 struct syncinfo_s; struct nonpresent_entry { struct berval *npe_name; struct berval *npe_nname; LDAP_LIST_ENTRY(nonpresent_entry) npe_link; }; typedef struct cookie_vals { struct berval *cv_vals; int *cv_sids; int cv_num; } cookie_vals; typedef struct cookie_state { ldap_pvt_thread_mutex_t cs_mutex; ldap_pvt_thread_cond_t cs_cond; struct berval *cs_vals; int *cs_sids; int cs_num; int cs_age; int cs_ref; int cs_updating; /* pending changes, not yet committed */ ldap_pvt_thread_mutex_t cs_pmutex; struct berval *cs_pvals; int *cs_psids; int cs_pnum; /* serialize multi-consumer refreshes */ ldap_pvt_thread_mutex_t cs_refresh_mutex; struct syncinfo_s *cs_refreshing; } cookie_state; #define SYNC_TIMEOUT 0 #define SYNC_SHUTDOWN -100 #define SYNC_ERROR -101 #define SYNC_REPOLL -102 #define SYNC_PAUSED -103 #define SYNC_BUSY -104 #define SYNCDATA_DEFAULT 0 /* entries are plain LDAP entries */ #define SYNCDATA_ACCESSLOG 1 /* entries are accesslog format */ #define SYNCDATA_CHANGELOG 2 /* entries are changelog format */ #define SYNCLOG_LOGGING 0 /* doing a log-based update */ #define SYNCLOG_FALLBACK 1 /* doing a full refresh */ #define RETRYNUM_FOREVER (-1) /* retry forever */ #define RETRYNUM_TAIL (-2) /* end of retrynum array */ #define RETRYNUM_VALID(n) ((n) >= RETRYNUM_FOREVER) /* valid retrynum */ #define RETRYNUM_FINITE(n) ((n) > RETRYNUM_FOREVER) /* not forever */ typedef struct syncinfo_s { struct syncinfo_s *si_next; BackendDB *si_be; BackendDB *si_wbe; struct re_s *si_re; int si_rid; char si_ridtxt[ STRLENOF("rid=999") + 1 ]; slap_bindconf si_bindconf; struct berval si_base; struct berval si_logbase; struct berval si_filterstr; struct berval si_logfilterstr; Filter *si_filter; Filter *si_logfilter; struct berval si_contextdn; int si_scope; int si_attrsonly; char *si_anfile; AttributeName *si_anlist; AttributeName *si_exanlist; char **si_attrs; char **si_exattrs; int si_allattrs; int si_allopattrs; int si_schemachecking; int si_type; /* the active type */ int si_ctype; /* the configured type */ time_t si_interval; time_t *si_retryinterval; int *si_retrynum_init; int *si_retrynum; struct sync_cookie si_syncCookie; cookie_state *si_cookieState; int si_cookieAge; int si_manageDSAit; int si_slimit; int si_tlimit; int si_refreshDelete; int si_refreshPresent; int si_refreshDone; int si_paused; int si_syncdata; int si_logstate; int si_lazyCommit; int si_got; int si_strict_refresh; /* stop listening during fallback refresh */ int si_too_old; int si_is_configdb; ber_int_t si_msgid; Avlnode *si_presentlist; LDAP *si_ld; Connection *si_conn; LDAP_LIST_HEAD(np, nonpresent_entry) si_nonpresentlist; struct rewrite_info *si_rewrite; struct berval si_suffixm; #ifdef LDAP_CONTROL_X_DIRSYNC struct berval si_dirSyncCookie; #endif unsigned long si_prevchange; unsigned long si_lastchange; /* monitor info */ int si_monitorInited; time_t si_lastconnect; time_t si_lastcontact; struct berval si_connaddr; struct berval si_lastCookieRcvd; struct berval si_lastCookieSent; struct berval si_monitor_ndn; char si_connaddrbuf[LDAP_IPADDRLEN]; ldap_pvt_thread_mutex_t si_monitor_mutex; ldap_pvt_thread_mutex_t si_mutex; } syncinfo_t; static int syncuuid_cmp( const void *, const void * ); static int presentlist_insert( syncinfo_t* si, struct berval *syncUUID ); static void presentlist_delete( Avlnode **av, struct berval *syncUUID ); static char *presentlist_find( Avlnode *av, struct berval *syncUUID ); static int presentlist_free( Avlnode *av ); static void syncrepl_del_nonpresent( Operation *, syncinfo_t *, BerVarray, struct sync_cookie *, int ); static int syncrepl_message_to_op( syncinfo_t *, Operation *, LDAPMessage *, int ); static int syncrepl_message_to_entry( syncinfo_t *, Operation *, LDAPMessage *, Modifications **, Entry **, int, struct berval* ); static int syncrepl_entry( syncinfo_t *, Operation*, Entry*, Modifications**,int, struct berval*, struct berval *cookieCSN ); static int syncrepl_updateCookie( syncinfo_t *, Operation *, struct sync_cookie *, int save ); static struct berval * slap_uuidstr_from_normalized( struct berval *, struct berval *, void * ); static int syncrepl_add_glue_ancestors( Operation* op, Entry *e ); #ifdef LDAP_CONTROL_X_DIRSYNC static int syncrepl_dirsync_message( syncinfo_t *, Operation *, LDAPMessage *, Modifications **, Entry **, int *, struct berval* ); static int syncrepl_dirsync_cookie( syncinfo_t *, Operation *, LDAPControl ** ); #endif static int syncrepl_dsee_update( syncinfo_t *si, Operation *op ) ; /* delta-mpr overlay handler */ static int syncrepl_op_modify( Operation *op, SlapReply *rs ); /* callback functions */ static int dn_callback( Operation *, SlapReply * ); static int nonpresent_callback( Operation *, SlapReply * ); static AttributeDescription *sync_descs[4]; static AttributeDescription *dsee_descs[7]; /* delta-mpr */ static AttributeDescription *ad_reqMod, *ad_reqDN; typedef struct logschema { struct berval ls_dn; struct berval ls_req; struct berval ls_mod; struct berval ls_newRdn; struct berval ls_delRdn; struct berval ls_newSup; struct berval ls_controls; struct berval ls_uuid; struct berval ls_changenum; } logschema; static logschema changelog_sc = { BER_BVC("targetDN"), BER_BVC("changeType"), BER_BVC("changes"), BER_BVC("newRDN"), BER_BVC("deleteOldRDN"), BER_BVC("newSuperior"), BER_BVNULL, BER_BVC("targetUniqueId"), BER_BVC("changeNumber") }; static logschema accesslog_sc = { BER_BVC("reqDN"), BER_BVC("reqType"), BER_BVC("reqMod"), BER_BVC("reqNewRDN"), BER_BVC("reqDeleteOldRDN"), BER_BVC("reqNewSuperior"), BER_BVC("reqControls") }; static const char * syncrepl_state2str( int state ) { switch ( state ) { case LDAP_SYNC_PRESENT: return "PRESENT"; case LDAP_SYNC_ADD: return "ADD"; case LDAP_SYNC_MODIFY: return "MODIFY"; case LDAP_SYNC_DELETE: return "DELETE"; #ifdef LDAP_CONTROL_X_DIRSYNC case MSAD_DIRSYNC_MODIFY: return "DIRSYNC_MOD"; #endif case DSEE_SYNC_ADD: return "DSEE_ADD"; } return "UNKNOWN"; } static slap_overinst syncrepl_ov; static void init_syncrepl(syncinfo_t *si) { int i, j, k, l, n; char **attrs, **exattrs; if ( !syncrepl_ov.on_bi.bi_type ) { syncrepl_ov.on_bi.bi_type = "syncrepl"; syncrepl_ov.on_bi.bi_op_modify = syncrepl_op_modify; overlay_register( &syncrepl_ov ); } /* delta-MPR needs the overlay, nothing else does. * This must happen before accesslog overlay is configured. */ if ( si->si_syncdata && !overlay_is_inst( si->si_be, syncrepl_ov.on_bi.bi_type )) { overlay_config( si->si_be, syncrepl_ov.on_bi.bi_type, -1, NULL, NULL ); if ( !ad_reqMod ) { const char *text; logschema *ls = &accesslog_sc; slap_bv2ad( &ls->ls_mod, &ad_reqMod, &text ); slap_bv2ad( &ls->ls_dn, &ad_reqDN, &text ); } } if ( !sync_descs[0] ) { sync_descs[0] = slap_schema.si_ad_objectClass; sync_descs[1] = slap_schema.si_ad_structuralObjectClass; sync_descs[2] = slap_schema.si_ad_entryCSN; sync_descs[3] = NULL; } if ( si->si_syncdata == SYNCDATA_CHANGELOG ) { /* DSEE doesn't support allopattrs */ si->si_allopattrs = 0; if ( !dsee_descs[0] ) { dsee_descs[0] = slap_schema.si_ad_objectClass; dsee_descs[1] = slap_schema.si_ad_creatorsName; dsee_descs[2] = slap_schema.si_ad_createTimestamp; dsee_descs[3] = slap_schema.si_ad_modifiersName; dsee_descs[4] = slap_schema.si_ad_modifyTimestamp; dsee_descs[5] = sy_ad_nsUniqueId; dsee_descs[6] = NULL; } } if ( si->si_allattrs && si->si_allopattrs ) attrs = NULL; else attrs = anlist2attrs( si->si_anlist ); if ( attrs ) { if ( si->si_allattrs ) { i = 0; while ( attrs[i] ) { if ( !is_at_operational( at_find( attrs[i] ) ) ) { for ( j = i; attrs[j] != NULL; j++ ) { if ( j == i ) ch_free( attrs[i] ); attrs[j] = attrs[j+1]; } } else { i++; } } attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) ); attrs[i] = ch_strdup("*"); attrs[i + 1] = NULL; } else if ( si->si_allopattrs ) { i = 0; while ( attrs[i] ) { if ( is_at_operational( at_find( attrs[i] ) ) ) { for ( j = i; attrs[j] != NULL; j++ ) { if ( j == i ) ch_free( attrs[i] ); attrs[j] = attrs[j+1]; } } else { i++; } } attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) ); attrs[i] = ch_strdup("+"); attrs[i + 1] = NULL; } for ( i = 0; sync_descs[i] != NULL; i++ ) { j = 0; while ( attrs[j] ) { if ( !strcmp( attrs[j], sync_descs[i]->ad_cname.bv_val ) ) { for ( k = j; attrs[k] != NULL; k++ ) { if ( k == j ) ch_free( attrs[k] ); attrs[k] = attrs[k+1]; } } else { j++; } } } for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */; if ( si->si_allopattrs ) { attrs = ( char ** ) ch_realloc( attrs, (n + 2)*sizeof( char * ) ); } else { attrs = ( char ** ) ch_realloc( attrs, (n + 4)*sizeof( char * ) ); } /* Add Attributes */ if ( si->si_allopattrs ) { attrs[n++] = ch_strdup( sync_descs[0]->ad_cname.bv_val ); } else { if ( si->si_syncdata != SYNCDATA_CHANGELOG ) { for ( i = 0; sync_descs[ i ] != NULL; i++ ) { attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val ); } } } attrs[ n ] = NULL; } else { i = 0; if ( si->si_allattrs == si->si_allopattrs ) { attrs = (char**) ch_malloc( 3 * sizeof(char*) ); attrs[i++] = ch_strdup( "*" ); attrs[i++] = ch_strdup( "+" ); si->si_allattrs = si->si_allopattrs = 1; } else if ( si->si_allattrs && !si->si_allopattrs ) { for ( n = 0; sync_descs[ n ] != NULL; n++ ) ; attrs = (char**) ch_malloc( (n+1)* sizeof(char*) ); attrs[i++] = ch_strdup( "*" ); for ( j = 1; sync_descs[ j ] != NULL; j++ ) { attrs[i++] = ch_strdup ( sync_descs[j]->ad_cname.bv_val ); } } else if ( !si->si_allattrs && si->si_allopattrs ) { attrs = (char**) ch_malloc( 3 * sizeof(char*) ); attrs[i++] = ch_strdup( "+" ); attrs[i++] = ch_strdup( sync_descs[0]->ad_cname.bv_val ); } attrs[i] = NULL; } if ( si->si_syncdata == SYNCDATA_CHANGELOG ) { for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */; attrs = ( char ** ) ch_realloc( attrs, (n + 6)*sizeof( char * ) ); for ( i = 0; dsee_descs[ i ] != NULL; i++ ) { attrs[ n++ ] = ch_strdup ( dsee_descs[i]->ad_cname.bv_val ); } attrs[n] = NULL; } si->si_attrs = attrs; exattrs = anlist2attrs( si->si_exanlist ); if ( exattrs ) { for ( n = 0; exattrs[n] != NULL; n++ ) ; for ( i = 0; sync_descs[i] != NULL; i++ ) { j = 0; while ( exattrs[j] != NULL ) { if ( !strcmp( exattrs[j], sync_descs[i]->ad_cname.bv_val ) ) { ch_free( exattrs[j] ); for ( k = j; exattrs[k] != NULL; k++ ) { exattrs[k] = exattrs[k+1]; } } else { j++; } } } for ( i = 0; exattrs[i] != NULL; i++ ) { for ( j = 0; si->si_anlist[j].an_name.bv_val; j++ ) { ObjectClass *oc; if ( ( oc = si->si_anlist[j].an_oc ) ) { k = 0; while ( oc->soc_required[k] ) { if ( !strcmp( exattrs[i], oc->soc_required[k]->sat_cname.bv_val ) ) { ch_free( exattrs[i] ); for ( l = i; exattrs[l]; l++ ) { exattrs[l] = exattrs[l+1]; } } else { k++; } } } } } for ( i = 0; exattrs[i] != NULL; i++ ) ; if ( i != n ) exattrs = (char **) ch_realloc( exattrs, (i + 1)*sizeof(char *) ); } si->si_exattrs = exattrs; } static int start_refresh(syncinfo_t *si) { ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_refresh_mutex ); if ( si->si_cookieState->cs_refreshing ) { struct re_s* rtask = si->si_re; ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); ldap_pvt_runqueue_stoptask( &slapd_rq, rtask ); ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); si->si_paused = 1; Debug( LDAP_DEBUG_SYNC, "start_refresh: %s " "a refresh on %s in progress, pausing\n", si->si_ridtxt, si->si_cookieState->cs_refreshing->si_ridtxt ); ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_refresh_mutex ); return SYNC_BUSY; } si->si_cookieState->cs_refreshing = si; ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_refresh_mutex ); return LDAP_SUCCESS; } static int refresh_finished(syncinfo_t *si) { syncinfo_t *sie; int removed = 0; ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_refresh_mutex ); if ( si->si_cookieState->cs_refreshing == si ) { si->si_cookieState->cs_refreshing = NULL; removed = 1; } if ( removed ) { for ( sie = si->si_be->be_syncinfo; sie; sie = sie->si_next ) { if ( sie->si_paused ) { struct re_s* rtask = sie->si_re; Debug( LDAP_DEBUG_SYNC, "refresh_finished: %s " "rescheduling refresh on %s\n", si->si_ridtxt, sie->si_ridtxt ); sie->si_paused = 0; ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); rtask->interval.tv_sec = 0; ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 ); rtask->interval.tv_sec = si->si_interval; ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); break; } } } ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_refresh_mutex ); return removed; } static struct berval generic_filterstr = BER_BVC("(objectclass=*)"); static int ldap_sync_search( syncinfo_t *si, void *ctx ) { BerElementBuffer berbuf; BerElement *ber = (BerElement *)&berbuf; LDAPControl c[3], *ctrls[4]; int rc; int rhint; char *base; char **attrs, *lattrs[9]; char *filter; int attrsonly; int scope; char filterbuf[sizeof("(changeNumber>=18446744073709551615)")]; /* setup LDAP SYNC control */ ber_init2( ber, NULL, LBER_USE_DER ); ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx ); si->si_msgid = 0; /* If we're using a log but we have no state, then fallback to * normal mode for a full refresh. */ if ( si->si_syncdata ) { if ( si->si_syncdata == SYNCDATA_CHANGELOG ) { LDAPMessage *res, *msg; unsigned long first = 0, last = 0; int gotfirst = 0, gotlast = 0; if ( (rc = start_refresh( si )) ) { return rc; } /* See if we're new enough for the remote server */ lattrs[0] = "firstchangenumber"; lattrs[1] = "lastchangenumber"; lattrs[2] = NULL; rc = ldap_search_ext_s( si->si_ld, "", LDAP_SCOPE_BASE, generic_filterstr.bv_val, lattrs, 0, NULL, NULL, NULL, si->si_slimit, &res ); if ( rc ) return rc; msg = ldap_first_message( si->si_ld, res ); if ( msg && ldap_msgtype( msg ) == LDAP_RES_SEARCH_ENTRY ) { BerElement *ber = NULL; struct berval bv, *bvals, **bvp = &bvals;; rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bv ); for ( rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, bvp ); rc == LDAP_SUCCESS; rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, bvp ) ) { if ( bv.bv_val == NULL ) break; if ( !strcasecmp( bv.bv_val, "firstchangenumber" )) { first = strtoul( bvals[0].bv_val, NULL, 0 ); gotfirst = 1; } else if ( !strcasecmp( bv.bv_val, "lastchangenumber" )) { last = strtoul( bvals[0].bv_val, NULL, 0 ); gotlast = 1; } } } ldap_msgfree( res ); if ( gotfirst && gotlast ) { if ( si->si_lastchange < first || (!si->si_lastchange && !si->si_refreshDone )) si->si_logstate = SYNCLOG_FALLBACK; /* if we're in logging mode, it will update si_lastchange itself */ if ( si->si_logstate == SYNCLOG_FALLBACK ) si->si_lastchange = last; } else { /* should be an error; changelog plugin not enabled on provider */ si->si_logstate = SYNCLOG_FALLBACK; } } else if ( si->si_logstate == SYNCLOG_LOGGING && !si->si_syncCookie.numcsns && !si->si_refreshDone ) { si->si_logstate = SYNCLOG_FALLBACK; } } /* Use the log parameters if we're in log mode */ if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) { logschema *ls; if ( si->si_syncdata == SYNCDATA_ACCESSLOG ) ls = &accesslog_sc; else ls = &changelog_sc; lattrs[0] = ls->ls_dn.bv_val; lattrs[1] = ls->ls_req.bv_val; lattrs[2] = ls->ls_mod.bv_val; lattrs[3] = ls->ls_newRdn.bv_val; lattrs[4] = ls->ls_delRdn.bv_val; lattrs[5] = ls->ls_newSup.bv_val; if ( si->si_syncdata == SYNCDATA_ACCESSLOG ) { lattrs[6] = ls->ls_controls.bv_val; lattrs[7] = slap_schema.si_ad_entryCSN->ad_cname.bv_val; lattrs[8] = NULL; filter = si->si_logfilterstr.bv_val; scope = LDAP_SCOPE_SUBTREE; } else { lattrs[6] = ls->ls_uuid.bv_val; lattrs[7] = ls->ls_changenum.bv_val; lattrs[8] = NULL; sprintf( filterbuf, "(changeNumber>=%lu)", si->si_lastchange+1 ); filter = filterbuf; scope = LDAP_SCOPE_ONELEVEL; } rhint = 0; base = si->si_logbase.bv_val; attrs = lattrs; attrsonly = 0; } else { if ( (rc = start_refresh( si )) ) { return rc; } rhint = 1; base = si->si_base.bv_val; filter = si->si_filterstr.bv_val; attrs = si->si_attrs; attrsonly = si->si_attrsonly; scope = si->si_scope; } if ( si->si_syncdata && si->si_logstate == SYNCLOG_FALLBACK ) { si->si_type = LDAP_SYNC_REFRESH_ONLY; } else { si->si_type = si->si_ctype; } #ifdef LDAP_CONTROL_X_DIRSYNC if ( si->si_ctype == MSAD_DIRSYNC ) { ber_printf( ber, "{iiO}", LDAP_CONTROL_X_DIRSYNC_INCREMENTAL_VALUES, 0, &si->si_dirSyncCookie ); if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 ) ) == -1 ) { ber_free_buf( ber ); return rc; } c[0].ldctl_oid = LDAP_CONTROL_X_DIRSYNC; c[0].ldctl_iscritical = 1; ctrls[0] = &c[0]; if ( !BER_BVISEMPTY( &si->si_dirSyncCookie )) { c[1].ldctl_oid = LDAP_CONTROL_X_SHOW_DELETED; BER_BVZERO( &c[1].ldctl_value ); c[1].ldctl_iscritical = 1; ctrls[1] = &c[1]; ctrls[2] = NULL; } else { ctrls[1] = NULL; } } else #endif if ( si->si_syncdata == SYNCDATA_CHANGELOG ) { if ( si->si_logstate == SYNCLOG_LOGGING && si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) { c[0].ldctl_oid = LDAP_CONTROL_PERSIST_REQUEST; c[0].ldctl_iscritical = 0; rc = ldap_create_persistentsearch_control_value( si->si_ld, LDAP_CONTROL_PERSIST_ENTRY_CHANGE_ADD, 0, 1, &c[0].ldctl_value ); ctrls[0] = &c[0]; ctrls[1] = NULL; } else { ctrls[0] = NULL; } } else { if ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) ) { ber_printf( ber, "{eOb}", abs(si->si_type), &si->si_syncCookie.octet_str, rhint ); } else { ber_printf( ber, "{eb}", abs(si->si_type), rhint ); } if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 ) ) == -1 ) { ber_free_buf( ber ); return rc; } c[0].ldctl_oid = LDAP_CONTROL_SYNC; c[0].ldctl_iscritical = si->si_type < 0; ctrls[0] = &c[0]; c[1].ldctl_oid = LDAP_CONTROL_MANAGEDSAIT; BER_BVZERO( &c[1].ldctl_value ); c[1].ldctl_iscritical = 1; ctrls[1] = &c[1]; if ( !BER_BVISNULL( &si->si_bindconf.sb_authzId ) ) { c[2].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ; c[2].ldctl_value = si->si_bindconf.sb_authzId; c[2].ldctl_iscritical = 1; ctrls[2] = &c[2]; ctrls[3] = NULL; } else { ctrls[2] = NULL; } } si->si_refreshDone = 0; si->si_refreshPresent = 0; si->si_refreshDelete = 0; rc = ldap_search_ext( si->si_ld, base, scope, filter, attrs, attrsonly, ctrls, NULL, NULL, si->si_slimit, &si->si_msgid ); ber_free_buf( ber ); return rc; } /* #define DEBUG_MERGE_STATE 1 */ static int merge_state( syncinfo_t *si, struct sync_cookie *sc1, struct sync_cookie *sc2 ) { int i, j, k, changed = 0; int ei, ej; int *newsids; struct berval *newcsns; ei = sc1->numcsns; ej = sc2->numcsns; #ifdef DEBUG_MERGE_STATE for ( i=0; isi_ridtxt, i, sc1->sids[i], sc1->ctxcsn[i].bv_val ); } for ( i=0; isi_ridtxt, i, sc2->sids[i], sc2->ctxcsn[i].bv_val ); } #endif /* see if they cover the same SIDs */ if ( ei == ej ) { for ( i = 0; i < ei; i++ ) { if ( sc1->sids[i] != sc2->sids[i] ) { changed = 1; break; } } /* SIDs are the same, take fast path */ if ( !changed ) { for ( i = 0; i < ei; i++ ) { if ( ber_bvcmp( &sc1->ctxcsn[i], &sc2->ctxcsn[i] ) < 0 ) { ber_bvreplace( &sc1->ctxcsn[i], &sc2->ctxcsn[i] ); changed = 1; } } return changed; } changed = 0; } i = ei + ej; newsids = ch_malloc( sizeof(int) * i ); newcsns = ch_malloc( sizeof(struct berval) * ( i + 1 )); for ( i=0, j=0, k=0; i < ei || j < ej ; ) { if ( i < ei && sc1->sids[i] == -1 ) { i++; continue; } if ( j >= ej || (i < ei && sc1->sids[i] < sc2->sids[j] )) { newsids[k] = sc1->sids[i]; ber_dupbv( &newcsns[k], &sc1->ctxcsn[i] ); i++; k++; continue; } if ( i < ei && sc1->sids[i] == sc2->sids[j] ) { newsids[k] = sc1->sids[i]; if ( ber_bvcmp( &sc1->ctxcsn[i], &sc2->ctxcsn[j] ) < 0 ) { changed = 1; ber_dupbv( &newcsns[k], &sc2->ctxcsn[j] ); } else { ber_dupbv( &newcsns[k], &sc1->ctxcsn[i] ); } i++; j++; k++; continue; } if ( j < ej ) { if ( sc2->sids[j] == -1 ) { j++; continue; } newsids[k] = sc2->sids[j]; ber_dupbv( &newcsns[k], &sc2->ctxcsn[j] ); changed = 1; j++; k++; } } ber_bvarray_free( sc1->ctxcsn ); ch_free( sc1->sids ); sc1->numcsns = k; sc1->sids = ch_realloc( newsids, sizeof(int) * k ); sc1->ctxcsn = ch_realloc( newcsns, sizeof(struct berval) * (k+1) ); BER_BVZERO( &sc1->ctxcsn[k] ); #ifdef DEBUG_MERGE_STATE for ( i=0; inumcsns; i++ ) { fprintf(stderr, "merge_state: %s si_syncCookie2 [%d] %d %s\n", si->si_ridtxt, i, sc1->sids[i], sc1->ctxcsn[i].bv_val ); } #endif return changed; } #ifdef DEBUG_MERGE_STATE static void merge_test( syncinfo_t *si ) { struct sync_cookie sc1, sc2; int ret; sc1.numcsns = 4; sc1.sids = malloc( sizeof( int ) * sc1.numcsns ); sc1.ctxcsn = malloc( sizeof( struct berval ) * ( sc1.numcsns + 1 )); sc1.sids[0] = 1; sc1.sids[1] = 3; sc1.sids[2] = 4; sc1.sids[3] = 5; { struct berval bv = BER_BVC("20200101000000.100000Z#sc1#001#000000"); /* unique */ ber_dupbv( &sc1.ctxcsn[0], &bv ); } { struct berval bv = BER_BVC("20200101000000.100000Z#sc1#003#000000"); /* lower */ ber_dupbv( &sc1.ctxcsn[1], &bv ); } { struct berval bv = BER_BVC("20201231000000.100000Z#sc1#004#000000"); /* higher */ ber_dupbv( &sc1.ctxcsn[2], &bv ); } { struct berval bv = BER_BVC("20200228000000.100000Z#sc1#005#000000"); /* unique */ ber_dupbv( &sc1.ctxcsn[3], &bv ); } BER_BVZERO( &sc1.ctxcsn[sc1.numcsns] ); sc2.numcsns = 4; sc2.sids = malloc( sizeof( int ) * sc2.numcsns ); sc2.ctxcsn = malloc( sizeof( struct berval ) * ( sc2.numcsns + 1 )); sc2.sids[0] = 2; sc2.sids[1] = 3; sc2.sids[2] = 4; sc2.sids[3] = 6; { struct berval bv = BER_BVC("20200101000000.100000Z#sc2#002#000000"); /* unique */ ber_dupbv( &sc2.ctxcsn[0], &bv ); } { struct berval bv = BER_BVC("20200331000000.100000Z#sc2#003#000000"); /* higher */ ber_dupbv( &sc2.ctxcsn[1], &bv ); } { struct berval bv = BER_BVC("20200501000000.100000Z#sc2#004#000000"); /* lower */ ber_dupbv( &sc2.ctxcsn[2], &bv ); } { struct berval bv = BER_BVC("20200628000000.100000Z#sc2#006#000000"); /* unique */ ber_dupbv( &sc2.ctxcsn[3], &bv ); } BER_BVZERO( &sc2.ctxcsn[sc2.numcsns] ); ret = merge_state( si, &sc1, &sc2 ); } #endif static int check_syncprov( Operation *op, syncinfo_t *si ) { AttributeName at[2]; Attribute a = {0}; Entry e = {0}; SlapReply rs = {REP_SEARCH}; int i, j, changed = 0; /* Look for contextCSN from syncprov overlay. If * there's no overlay, this will be a no-op. That means * this is a pure consumer, so local changes will not be * allowed, and all changes will already be reflected in * the cookieState. */ a.a_desc = slap_schema.si_ad_contextCSN; e.e_attrs = &a; e.e_name = si->si_contextdn; e.e_nname = si->si_contextdn; at[0].an_name = a.a_desc->ad_cname; at[0].an_desc = a.a_desc; BER_BVZERO( &at[1].an_name ); rs.sr_entry = &e; rs.sr_flags = REP_ENTRY_MODIFIABLE; rs.sr_attrs = at; op->o_req_dn = e.e_name; op->o_req_ndn = e.e_nname; ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); i = backend_operational( op, &rs ); if ( i == LDAP_SUCCESS && a.a_nvals ) { int num = a.a_numvals; /* check for differences */ if ( num != si->si_cookieState->cs_num ) { changed = 1; } else { for ( i=0; isi_cookieState->cs_vals[i] )) { changed = 1; break; } } } if ( changed ) { ber_bvarray_free( si->si_cookieState->cs_vals ); ch_free( si->si_cookieState->cs_sids ); si->si_cookieState->cs_num = num; si->si_cookieState->cs_vals = a.a_nvals; si->si_cookieState->cs_sids = slap_parse_csn_sids( a.a_nvals, num, NULL ); si->si_cookieState->cs_age++; } else { ber_bvarray_free( a.a_nvals ); } ber_bvarray_free( a.a_vals ); } /* See if the cookieState has changed due to anything outside * this particular consumer. That includes other consumers in * the same context, or local changes detected above. */ if ( si->si_cookieState->cs_num > 0 && si->si_cookieAge != si->si_cookieState->cs_age ) { if ( !si->si_syncCookie.numcsns ) { ber_bvarray_free( si->si_syncCookie.ctxcsn ); ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn, si->si_cookieState->cs_vals, NULL ); changed = 1; } else { changed = merge_state( si, &si->si_syncCookie, (struct sync_cookie *)&si->si_cookieState->cs_vals ); } } if ( changed ) { si->si_cookieAge = si->si_cookieState->cs_age; ch_free( si->si_syncCookie.octet_str.bv_val ); slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str, si->si_syncCookie.ctxcsn, si->si_syncCookie.rid, si->si_syncCookie.sid, NULL ); ch_free( si->si_syncCookie.sids ); slap_reparse_sync_cookie( &si->si_syncCookie, op->o_tmpmemctx ); } ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); return changed; } static int do_syncrep1( Operation *op, syncinfo_t *si ) { int rc; int cmdline_cookie_found = 0; struct sync_cookie *sc = NULL; #ifdef HAVE_TLS void *ssl; #endif si->si_lastconnect = slap_get_time(); rc = slap_client_connect( &si->si_ld, &si->si_bindconf ); if ( rc != LDAP_SUCCESS ) { goto done; } op->o_protocol = LDAP_VERSION3; /* Set SSF to strongest of TLS, SASL SSFs */ op->o_sasl_ssf = 0; op->o_tls_ssf = 0; op->o_transport_ssf = 0; #ifdef HAVE_TLS if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl ) == LDAP_SUCCESS && ssl != NULL ) { op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl ); } #endif /* HAVE_TLS */ { ber_len_t ssf; /* ITS#5403, 3864 LDAP_OPT_X_SASL_SSF probably ought to use sasl_ssf_t but currently uses ber_len_t */ if ( ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &ssf ) == LDAP_SUCCESS ) op->o_sasl_ssf = ssf; } op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf ) ? op->o_sasl_ssf : op->o_tls_ssf; ldap_set_option( si->si_ld, LDAP_OPT_TIMELIMIT, &si->si_tlimit ); rc = LDAP_DEREF_NEVER; /* actually could allow DEREF_FINDING */ ldap_set_option( si->si_ld, LDAP_OPT_DEREF, &rc ); ldap_set_option( si->si_ld, LDAP_OPT_REFERRALS, LDAP_OPT_OFF ); si->si_syncCookie.rid = si->si_rid; /* whenever there are multiple data sources possible, advertise sid */ si->si_syncCookie.sid = ( SLAP_MULTIPROVIDER( si->si_be ) || si->si_be != si->si_wbe ) ? slap_serverID : -1; #ifdef LDAP_CONTROL_X_DIRSYNC if ( si->si_ctype == MSAD_DIRSYNC ) { if ( BER_BVISEMPTY( &si->si_dirSyncCookie )) { BerVarray cookies = NULL; void *ctx = op->o_tmpmemctx; op->o_req_ndn = si->si_contextdn; op->o_req_dn = op->o_req_ndn; /* try to read stored cookie */ op->o_tmpmemctx = NULL; backend_attribute( op, NULL, &op->o_req_ndn, sy_ad_dirSyncCookie, &cookies, ACL_READ ); op->o_tmpmemctx = ctx; if ( cookies ) si->si_dirSyncCookie = cookies[0]; } } else #endif if ( si->si_syncdata == SYNCDATA_CHANGELOG ) { if ( !si->si_lastchange ) { BerVarray vals = NULL; op->o_req_ndn = si->si_contextdn; op->o_req_dn = op->o_req_ndn; /* try to read last change number */ backend_attribute( op, NULL, &op->o_req_ndn, sy_ad_dseeLastChange, &vals, ACL_READ ); if ( vals ) { si->si_lastchange = strtoul( vals[0].bv_val, NULL, 0 ); si->si_prevchange = si->si_lastchange; } } } else { /* We've just started up, or the remote server hasn't sent us * any meaningful state. */ if ( !si->si_syncCookie.ctxcsn ) { int i; LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) { if ( si->si_rid == sc->rid ) { cmdline_cookie_found = 1; break; } } if ( cmdline_cookie_found ) { /* cookie is supplied in the command line */ LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next ); slap_sync_cookie_free( &si->si_syncCookie, 0 ); si->si_syncCookie.octet_str = sc->octet_str; ch_free( sc ); /* ctxcsn wasn't parsed yet, do it now */ slap_parse_sync_cookie( &si->si_syncCookie, NULL ); } else { ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); if ( !si->si_cookieState->cs_num ) { /* get contextCSN shadow replica from database */ BerVarray csn = NULL; void *ctx = op->o_tmpmemctx; op->o_req_ndn = si->si_contextdn; op->o_req_dn = op->o_req_ndn; /* try to read stored contextCSN */ op->o_tmpmemctx = NULL; backend_attribute( op, NULL, &op->o_req_ndn, slap_schema.si_ad_contextCSN, &csn, ACL_READ ); op->o_tmpmemctx = ctx; if ( csn ) { si->si_cookieState->cs_vals = csn; for (i=0; !BER_BVISNULL( &csn[i] ); i++); si->si_cookieState->cs_num = i; si->si_cookieState->cs_sids = slap_parse_csn_sids( csn, i, NULL ); slap_sort_csn_sids( csn, si->si_cookieState->cs_sids, i, NULL ); } } if ( si->si_cookieState->cs_num ) { ber_bvarray_free( si->si_syncCookie.ctxcsn ); if ( ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn, si->si_cookieState->cs_vals, NULL )) { rc = LDAP_NO_MEMORY; ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); goto done; } si->si_syncCookie.numcsns = si->si_cookieState->cs_num; si->si_syncCookie.sids = ch_malloc( si->si_cookieState->cs_num * sizeof(int) ); for ( i=0; isi_syncCookie.numcsns; i++ ) si->si_syncCookie.sids[i] = si->si_cookieState->cs_sids[i]; } ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); } } if ( !cmdline_cookie_found ) { /* ITS#6367: recreate the cookie so it has our SID, not our peer's */ ch_free( si->si_syncCookie.octet_str.bv_val ); BER_BVZERO( &si->si_syncCookie.octet_str ); /* Look for contextCSN from syncprov overlay. */ check_syncprov( op, si ); if ( BER_BVISNULL( &si->si_syncCookie.octet_str )) slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str, si->si_syncCookie.ctxcsn, si->si_syncCookie.rid, si->si_syncCookie.sid, NULL ); } } Debug( LDAP_DEBUG_SYNC, "do_syncrep1: %s starting refresh (sending cookie=%s)\n", si->si_ridtxt, si->si_syncCookie.octet_str.bv_val ? si->si_syncCookie.octet_str.bv_val : "" ); if ( si->si_syncCookie.octet_str.bv_val ) { ldap_pvt_thread_mutex_lock( &si->si_monitor_mutex ); ber_bvreplace( &si->si_lastCookieSent, &si->si_syncCookie.octet_str ); ldap_pvt_thread_mutex_unlock( &si->si_monitor_mutex ); } rc = ldap_sync_search( si, op->o_tmpmemctx ); if ( rc == SYNC_BUSY ) { return rc; } else if ( rc != LDAP_SUCCESS ) { refresh_finished( si ); Debug( LDAP_DEBUG_ANY, "do_syncrep1: %s " "ldap_search_ext: %s (%d)\n", si->si_ridtxt, ldap_err2string( rc ), rc ); } done: if ( rc ) { if ( si->si_ld ) { ldap_unbind_ext( si->si_ld, NULL, NULL ); si->si_ld = NULL; } } return rc; } static int compare_csns( struct sync_cookie *sc1, struct sync_cookie *sc2, int *which ) { int i, j, match = 0; const char *text; *which = 0; if ( sc1->numcsns < sc2->numcsns ) { *which = sc1->numcsns; return -1; } for (j=0; jnumcsns; j++) { for (i=0; inumcsns; i++) { if ( sc1->sids[i] != sc2->sids[j] ) continue; value_match( &match, slap_schema.si_ad_entryCSN, slap_schema.si_ad_entryCSN->ad_type->sat_ordering, SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX, &sc1->ctxcsn[i], &sc2->ctxcsn[j], &text ); if ( match < 0 ) { *which = j; return match; } break; } if ( i == sc1->numcsns ) { /* sc2 has a sid sc1 lacks */ *which = j; return -1; } } return match; } #define CV_CSN_OK 0 #define CV_CSN_OLD 1 #define CV_SID_NEW 2 static int check_csn_age( syncinfo_t *si, struct berval *dn, struct berval *csn, int sid, cookie_vals *cv, int *slot ) { int i, rc = CV_SID_NEW; for ( i =0; icv_num; i++ ) { #ifdef CHATTY_SYNCLOG Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s CSN for sid %d: %s\n", si->si_ridtxt, i, cv->cv_vals[i].bv_val ); #endif /* new SID */ if ( sid < cv->cv_sids[i] ) break; if ( cv->cv_sids[i] == sid ) { if ( ber_bvcmp( csn, &cv->cv_vals[i] ) <= 0 ) { dn->bv_val[dn->bv_len] = '\0'; Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s CSN too old, ignoring %s (%s)\n", si->si_ridtxt, csn->bv_val, dn->bv_val ); return CV_CSN_OLD; } rc = CV_CSN_OK; break; } } if ( slot ) *slot = i; return rc; } static int get_pmutex( syncinfo_t *si ) { if ( !si->si_is_configdb ) { ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_pmutex ); } else { /* avoid deadlock when replicating cn=config */ while ( ldap_pvt_thread_mutex_trylock( &si->si_cookieState->cs_pmutex )) { if ( slapd_shutdown ) return SYNC_SHUTDOWN; if ( !ldap_pvt_thread_pool_pausecheck( &connection_pool )) ldap_pvt_thread_yield(); } } return 0; } static int do_syncrep2( Operation *op, syncinfo_t *si ) { BerElementBuffer berbuf; BerElement *ber = (BerElement *)&berbuf; LDAPMessage *msg = NULL; struct sync_cookie syncCookie = { NULL }; struct sync_cookie syncCookie_req = { NULL }; int rc, err = LDAP_SUCCESS; Modifications *modlist = NULL; int m; struct timeval tout = { 0, 0 }; int refreshDeletes = 0; int refreshing = !si->si_refreshDone && !( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ); char empty[6] = "empty"; if ( slapd_shutdown ) { rc = SYNC_SHUTDOWN; goto done; } ber_init2( ber, NULL, LBER_USE_DER ); ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx ); Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2 %s\n", si->si_ridtxt ); slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie ); if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST && si->si_refreshDone ) { tout.tv_sec = 0; } else { /* Give some time for refresh response to arrive */ tout.tv_sec = si->si_bindconf.sb_timeout_api; } while ( ( rc = ldap_result( si->si_ld, si->si_msgid, LDAP_MSG_ONE, &tout, &msg ) ) > 0 ) { int match, punlock, syncstate; struct berval *retdata, syncUUID[2], cookie = BER_BVNULL; char *retoid; LDAPControl **rctrls = NULL, *rctrlp = NULL; BerVarray syncUUIDs; ber_len_t len; ber_tag_t si_tag; Entry *entry; struct berval bdn; if ( slapd_shutdown ) { rc = SYNC_SHUTDOWN; goto done; } si->si_lastcontact = slap_get_time(); switch( ldap_msgtype( msg ) ) { case LDAP_RES_SEARCH_ENTRY: #ifdef LDAP_CONTROL_X_DIRSYNC if ( si->si_ctype == MSAD_DIRSYNC ) { BER_BVZERO( &syncUUID[0] ); rc = syncrepl_dirsync_message( si, op, msg, &modlist, &entry, &syncstate, syncUUID ); if ( rc == 0 ) rc = syncrepl_entry( si, op, entry, &modlist, syncstate, syncUUID, NULL ); op->o_tmpfree( syncUUID[0].bv_val, op->o_tmpmemctx ); if ( modlist ) slap_mods_free( modlist, 1); if ( rc ) goto done; break; } #endif punlock = -1; ldap_get_entry_controls( si->si_ld, msg, &rctrls ); ldap_get_dn_ber( si->si_ld, msg, NULL, &bdn ); if (!bdn.bv_len) { bdn.bv_val = empty; bdn.bv_len = sizeof(empty)-1; } if ( si->si_syncdata == SYNCDATA_CHANGELOG ) { if ( si->si_logstate == SYNCLOG_LOGGING ) { rc = syncrepl_message_to_op( si, op, msg, 1 ); if ( rc ) goto logerr; if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST && rctrls ) { LDAPControl **next = NULL; /* The notification control is only sent during persist phase */ rctrlp = ldap_control_find( LDAP_CONTROL_PERSIST_ENTRY_CHANGE_NOTICE, rctrls, &next ); if ( rctrlp ) { if ( si->si_refreshDone ) syncrepl_dsee_update( si, op ); } } } else { syncstate = DSEE_SYNC_ADD; rc = syncrepl_message_to_entry( si, op, msg, &modlist, &entry, syncstate, syncUUID ); if ( rc == 0 ) rc = syncrepl_entry( si, op, entry, &modlist, syncstate, syncUUID, NULL ); op->o_tmpfree( syncUUID[0].bv_val, op->o_tmpmemctx ); if ( modlist ) slap_mods_free( modlist, 1); } if ( rc ) goto done; break; } /* we can't work without the control */ if ( rctrls ) { LDAPControl **next = NULL; /* NOTE: make sure we use the right one; * a better approach would be to run thru * the whole list and take care of all */ /* NOTE: since we issue the search request, * we should know what controls to expect, * and there should be none apart from the * sync-related control */ rctrlp = ldap_control_find( LDAP_CONTROL_SYNC_STATE, rctrls, &next ); if ( next && ldap_control_find( LDAP_CONTROL_SYNC_STATE, next, NULL ) ) { bdn.bv_val[bdn.bv_len] = '\0'; Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s " "got search entry with multiple " "Sync State control (%s)\n", si->si_ridtxt, bdn.bv_val ); ldap_controls_free( rctrls ); rc = -1; goto done; } } if ( rctrlp == NULL ) { bdn.bv_val[bdn.bv_len] = '\0'; Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s " "got search entry without " "Sync State control (%s)\n", si->si_ridtxt, bdn.bv_val ); rc = -1; goto done; } ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER ); if ( ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID[0] ) == LBER_ERROR ) { bdn.bv_val[bdn.bv_len] = '\0'; Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s malformed message (%s)\n", si->si_ridtxt, bdn.bv_val ); ldap_controls_free( rctrls ); rc = -1; goto done; } /* FIXME: what if syncUUID is NULL or empty? * (happens with back-sql...) */ if ( syncUUID[0].bv_len != UUIDLEN ) { bdn.bv_val[bdn.bv_len] = '\0'; Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s " "got empty or invalid syncUUID with LDAP_SYNC_%s (%s)\n", si->si_ridtxt, syncrepl_state2str( syncstate ), bdn.bv_val ); ldap_controls_free( rctrls ); rc = -1; goto done; } if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) { if ( ber_scanf( ber, /*"{"*/ "m}", &cookie ) != LBER_ERROR ) { Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s cookie=%s\n", si->si_ridtxt, BER_BVISNULL( &cookie ) ? "" : cookie.bv_val ); if ( !BER_BVISNULL( &cookie ) ) { ch_free( syncCookie.octet_str.bv_val ); ber_dupbv( &syncCookie.octet_str, &cookie ); ldap_pvt_thread_mutex_lock( &si->si_monitor_mutex ); ber_bvreplace( &si->si_lastCookieRcvd, &cookie ); ldap_pvt_thread_mutex_unlock( &si->si_monitor_mutex ); } if ( !BER_BVISNULL( &syncCookie.octet_str ) ) { slap_parse_sync_cookie( &syncCookie, NULL ); if ( syncCookie.ctxcsn ) { int i, slot, sid = slap_parse_csn_sid( syncCookie.ctxcsn ); check_syncprov( op, si ); ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); i = check_csn_age( si, &bdn, syncCookie.ctxcsn, sid, (cookie_vals *)&si->si_cookieState->cs_vals, NULL ); ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); if ( i == CV_CSN_OLD ) { si->si_too_old = 1; ldap_controls_free( rctrls ); rc = 0; goto done; } si->si_too_old = 0; /* check pending CSNs too */ if (( rc = get_pmutex( si ))) goto done; i = check_csn_age( si, &bdn, syncCookie.ctxcsn, sid, (cookie_vals *)&si->si_cookieState->cs_pvals, &slot ); if ( i == CV_CSN_OK ) { ber_bvreplace( &si->si_cookieState->cs_pvals[slot], syncCookie.ctxcsn ); } else if ( i == CV_CSN_OLD ) { ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_pmutex ); ldap_controls_free( rctrls ); rc = 0; goto done; } else { /* new SID, add it */ slap_insert_csn_sids( (struct sync_cookie *)&si->si_cookieState->cs_pvals, slot, sid, syncCookie.ctxcsn ); } assert( punlock < 0 ); punlock = slot; } else if (si->si_too_old) { bdn.bv_val[bdn.bv_len] = '\0'; Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s CSN too old, ignoring (%s)\n", si->si_ridtxt, bdn.bv_val ); ldap_controls_free( rctrls ); rc = 0; goto done; } op->o_controls[slap_cids.sc_LDAPsync] = &syncCookie; } } } rc = 0; if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) { modlist = NULL; if ( ( rc = syncrepl_message_to_op( si, op, msg, punlock < 0 ) ) == LDAP_SUCCESS && syncCookie.ctxcsn ) { rc = syncrepl_updateCookie( si, op, &syncCookie, 0 ); } else logerr: switch ( rc ) { case LDAP_ALREADY_EXISTS: case LDAP_NO_SUCH_OBJECT: case LDAP_NO_SUCH_ATTRIBUTE: case LDAP_TYPE_OR_VALUE_EXISTS: case LDAP_NOT_ALLOWED_ON_NONLEAF: rc = LDAP_SYNC_REFRESH_REQUIRED; si->si_logstate = SYNCLOG_FALLBACK; ldap_abandon_ext( si->si_ld, si->si_msgid, NULL, NULL ); bdn.bv_val[bdn.bv_len] = '\0'; Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s delta-sync lost sync on (%s), switching to REFRESH\n", si->si_ridtxt, bdn.bv_val ); if (si->si_strict_refresh) { slap_suspend_listeners(); connections_drop(); } break; default: break; } } else if ( ( rc = syncrepl_message_to_entry( si, op, msg, &modlist, &entry, syncstate, syncUUID ) ) == LDAP_SUCCESS ) { if ( punlock < 0 ) { if (( rc = get_pmutex( si ))) goto done; } if ( ( rc = syncrepl_entry( si, op, entry, &modlist, syncstate, syncUUID, syncCookie.ctxcsn ) ) == LDAP_SUCCESS && syncCookie.ctxcsn ) { rc = syncrepl_updateCookie( si, op, &syncCookie, 0 ); } if ( punlock < 0 ) ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_pmutex ); } if ( punlock >= 0 ) { /* on failure, revert pending CSN */ if ( rc != LDAP_SUCCESS ) { int i; ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); for ( i = 0; isi_cookieState->cs_num; i++ ) { if ( si->si_cookieState->cs_sids[i] == si->si_cookieState->cs_psids[punlock] ) { ber_bvreplace( &si->si_cookieState->cs_pvals[punlock], &si->si_cookieState->cs_vals[i] ); break; } } if ( i == si->si_cookieState->cs_num ) si->si_cookieState->cs_pvals[punlock].bv_val[0] = '\0'; ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); } ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_pmutex ); } ldap_controls_free( rctrls ); if ( modlist ) { slap_mods_free( modlist, 1 ); } if ( rc ) goto done; break; case LDAP_RES_SEARCH_REFERENCE: Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s reference received error\n", si->si_ridtxt ); break; case LDAP_RES_SEARCH_RESULT: Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s LDAP_RES_SEARCH_RESULT\n", si->si_ridtxt ); err = LDAP_OTHER; /* FIXME check parse result properly */ ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL, &rctrls, 0 ); #ifdef LDAP_X_SYNC_REFRESH_REQUIRED if ( err == LDAP_X_SYNC_REFRESH_REQUIRED ) { /* map old result code to registered code */ err = LDAP_SYNC_REFRESH_REQUIRED; } #endif if ( err == LDAP_SYNC_REFRESH_REQUIRED ) { if ( si->si_logstate == SYNCLOG_LOGGING ) { si->si_logstate = SYNCLOG_FALLBACK; Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s delta-sync lost sync, switching to REFRESH\n", si->si_ridtxt ); if (si->si_strict_refresh) { slap_suspend_listeners(); connections_drop(); } } rc = err; goto done; } if ( err ) { Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s LDAP_RES_SEARCH_RESULT (%d) %s\n", si->si_ridtxt, err, ldap_err2string( err ) ); } if ( si->si_syncdata == SYNCDATA_CHANGELOG && err == LDAP_SUCCESS ) { rc = syncrepl_dsee_update( si, op ); if ( rc == LDAP_SUCCESS ) { if ( si->si_logstate == SYNCLOG_FALLBACK ) { si->si_logstate = SYNCLOG_LOGGING; si->si_refreshDone = 1; rc = LDAP_SYNC_REFRESH_REQUIRED; } else { rc = SYNC_REPOLL; } } goto done; } if ( rctrls ) { LDAPControl **next = NULL; #ifdef LDAP_CONTROL_X_DIRSYNC if ( si->si_ctype == MSAD_DIRSYNC ) { rc = syncrepl_dirsync_cookie( si, op, rctrls ); if ( rc == LDAP_SUCCESS ) rc = SYNC_REPOLL; /* schedule a re-poll */ goto done; } #endif /* NOTE: make sure we use the right one; * a better approach would be to run thru * the whole list and take care of all */ /* NOTE: since we issue the search request, * we should know what controls to expect, * and there should be none apart from the * sync-related control */ rctrlp = ldap_control_find( LDAP_CONTROL_SYNC_DONE, rctrls, &next ); if ( next && ldap_control_find( LDAP_CONTROL_SYNC_DONE, next, NULL ) ) { Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s " "got search result with multiple " "Sync State control\n", si->si_ridtxt ); ldap_controls_free( rctrls ); rc = SYNC_ERROR; goto done; } } if ( rctrlp ) { ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER ); ber_scanf( ber, "{" /*"}"*/); if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) { ber_scanf( ber, "m", &cookie ); Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s cookie=%s\n", si->si_ridtxt, BER_BVISNULL( &cookie ) ? "" : cookie.bv_val ); if ( !BER_BVISNULL( &cookie ) ) { ch_free( syncCookie.octet_str.bv_val ); ber_dupbv( &syncCookie.octet_str, &cookie); ldap_pvt_thread_mutex_lock( &si->si_monitor_mutex ); ber_bvreplace( &si->si_lastCookieRcvd, &cookie ); ldap_pvt_thread_mutex_unlock( &si->si_monitor_mutex ); } if ( !BER_BVISNULL( &syncCookie.octet_str ) ) { slap_parse_sync_cookie( &syncCookie, NULL ); op->o_controls[slap_cids.sc_LDAPsync] = &syncCookie; } } if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES ) { ber_scanf( ber, "b", &refreshDeletes ); } ber_scanf( ber, /*"{"*/ "}" ); } if ( SLAP_MULTIPROVIDER( op->o_bd ) && check_syncprov( op, si )) { slap_sync_cookie_free( &syncCookie_req, 0 ); slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie ); } if ( !syncCookie.ctxcsn ) { match = 1; } else if ( !syncCookie_req.ctxcsn ) { match = -1; m = 0; } else { match = compare_csns( &syncCookie_req, &syncCookie, &m ); } if ( rctrls ) { ldap_controls_free( rctrls ); } if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) { /* FIXME : different error behaviors according to * 1) err code : LDAP_BUSY ... * 2) on err policy : stop service, stop sync, retry */ if ( refreshDeletes == 0 && match < 0 && err == LDAP_SUCCESS ) { syncrepl_del_nonpresent( op, si, NULL, &syncCookie, m ); } else if ( si->si_presentlist ) { presentlist_free( si->si_presentlist ); si->si_presentlist = NULL; } } if ( syncCookie.ctxcsn && match < 0 && err == LDAP_SUCCESS ) { rc = syncrepl_updateCookie( si, op, &syncCookie, 1 ); } if ( err == LDAP_SUCCESS && si->si_logstate == SYNCLOG_FALLBACK ) { si->si_logstate = SYNCLOG_LOGGING; si->si_refreshDone = 1; rc = LDAP_SYNC_REFRESH_REQUIRED; slap_resume_listeners(); } else { /* for persist, we shouldn't get a SearchResult so this is an error */ if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) rc = SYNC_ERROR; else rc = SYNC_REPOLL; } goto done; case LDAP_RES_INTERMEDIATE: retoid = NULL; retdata = NULL; rc = ldap_parse_intermediate( si->si_ld, msg, &retoid, &retdata, NULL, 0 ); if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) { ber_init2( ber, retdata, LBER_USE_DER ); switch ( si_tag = ber_peek_tag( ber, &len ) ) { ber_tag_t tag; case LDAP_TAG_SYNC_NEW_COOKIE: Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s %s - %s\n", si->si_ridtxt, "LDAP_RES_INTERMEDIATE", "NEW_COOKIE" ); ber_scanf( ber, "tm", &tag, &cookie ); Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s NEW_COOKIE: %s\n", si->si_ridtxt, cookie.bv_val ); if ( !BER_BVISNULL( &cookie ) ) { ch_free( syncCookie.octet_str.bv_val ); ber_dupbv( &syncCookie.octet_str, &cookie ); ldap_pvt_thread_mutex_lock( &si->si_monitor_mutex ); ber_bvreplace( &si->si_lastCookieRcvd, &cookie ); ldap_pvt_thread_mutex_unlock( &si->si_monitor_mutex ); } if (!BER_BVISNULL( &syncCookie.octet_str ) ) { slap_parse_sync_cookie( &syncCookie, NULL ); op->o_controls[slap_cids.sc_LDAPsync] = &syncCookie; } break; case LDAP_TAG_SYNC_REFRESH_DELETE: case LDAP_TAG_SYNC_REFRESH_PRESENT: Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s %s - %s\n", si->si_ridtxt, "LDAP_RES_INTERMEDIATE", si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ? "REFRESH_PRESENT" : "REFRESH_DELETE" ); if ( si->si_refreshDone ) { Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s " "server sent multiple refreshDone " "messages? Ending session\n", si->si_ridtxt ); rc = LDAP_PROTOCOL_ERROR; goto done; } if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) { si->si_refreshDelete = 1; } else { si->si_refreshPresent = 1; } ber_scanf( ber, "t{" /*"}"*/, &tag ); if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) { ber_scanf( ber, "m", &cookie ); Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s cookie=%s\n", si->si_ridtxt, BER_BVISNULL( &cookie ) ? "" : cookie.bv_val ); if ( !BER_BVISNULL( &cookie ) ) { ch_free( syncCookie.octet_str.bv_val ); ber_dupbv( &syncCookie.octet_str, &cookie ); ldap_pvt_thread_mutex_lock( &si->si_monitor_mutex ); ber_bvreplace( &si->si_lastCookieRcvd, &cookie ); ldap_pvt_thread_mutex_unlock( &si->si_monitor_mutex ); } if ( !BER_BVISNULL( &syncCookie.octet_str ) ) { slap_parse_sync_cookie( &syncCookie, NULL ); op->o_controls[slap_cids.sc_LDAPsync] = &syncCookie; } } /* Defaults to TRUE */ if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDONE ) { ber_scanf( ber, "b", &si->si_refreshDone ); } else { si->si_refreshDone = 1; } ber_scanf( ber, /*"{"*/ "}" ); if ( refreshing && si->si_refreshDone ) { refresh_finished( si ); refreshing = 0; } break; case LDAP_TAG_SYNC_ID_SET: Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s %s - %s\n", si->si_ridtxt, "LDAP_RES_INTERMEDIATE", "SYNC_ID_SET" ); ber_scanf( ber, "t{" /*"}"*/, &tag ); if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) { ber_scanf( ber, "m", &cookie ); Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s cookie=%s\n", si->si_ridtxt, BER_BVISNULL( &cookie ) ? "" : cookie.bv_val ); if ( !BER_BVISNULL( &cookie ) ) { ch_free( syncCookie.octet_str.bv_val ); ber_dupbv( &syncCookie.octet_str, &cookie ); ldap_pvt_thread_mutex_lock( &si->si_monitor_mutex ); ber_bvreplace( &si->si_lastCookieRcvd, &cookie ); ldap_pvt_thread_mutex_unlock( &si->si_monitor_mutex ); } if ( !BER_BVISNULL( &syncCookie.octet_str ) ) { slap_parse_sync_cookie( &syncCookie, NULL ); op->o_controls[slap_cids.sc_LDAPsync] = &syncCookie; compare_csns( &syncCookie_req, &syncCookie, &m ); } } if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES ) { ber_scanf( ber, "b", &refreshDeletes ); } syncUUIDs = NULL; rc = ber_scanf( ber, "[W]", &syncUUIDs ); ber_scanf( ber, /*"{"*/ "}" ); if ( rc != LBER_ERROR ) { if ( refreshDeletes ) { syncrepl_del_nonpresent( op, si, syncUUIDs, &syncCookie, m ); ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx ); } else { int i; for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) { (void)presentlist_insert( si, &syncUUIDs[i] ); slap_sl_free( syncUUIDs[i].bv_val, op->o_tmpmemctx ); } slap_sl_free( syncUUIDs, op->o_tmpmemctx ); } } rc = 0; slap_sync_cookie_free( &syncCookie, 0 ); break; default: Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s unknown syncinfo tag (%ld)\n", si->si_ridtxt, (long) si_tag ); ldap_memfree( retoid ); ber_bvfree( retdata ); continue; } if ( SLAP_MULTIPROVIDER( op->o_bd ) && check_syncprov( op, si )) { slap_sync_cookie_free( &syncCookie_req, 0 ); slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie ); } if ( !syncCookie.ctxcsn ) { match = 1; } else if ( !syncCookie_req.ctxcsn ) { match = -1; m = 0; } else { match = compare_csns( &syncCookie_req, &syncCookie, &m ); } if ( match < 0 ) { if ( si->si_refreshPresent == 1 && si_tag != LDAP_TAG_SYNC_NEW_COOKIE ) { syncrepl_del_nonpresent( op, si, NULL, &syncCookie, m ); } if ( syncCookie.ctxcsn ) { rc = syncrepl_updateCookie( si, op, &syncCookie, 1 ); } if ( si->si_presentlist ) { presentlist_free( si->si_presentlist ); si->si_presentlist = NULL; } } ldap_memfree( retoid ); ber_bvfree( retdata ); if ( rc ) goto done; } else { Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s " "unknown intermediate response (%d)\n", si->si_ridtxt, rc ); ldap_memfree( retoid ); ber_bvfree( retdata ); } break; default: Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s " "unknown message (0x%02lx)\n", si->si_ridtxt, (unsigned long)ldap_msgtype( msg ) ); break; } if ( !BER_BVISNULL( &syncCookie.octet_str ) ) { slap_sync_cookie_free( &syncCookie_req, 0 ); syncCookie_req = syncCookie; memset( &syncCookie, 0, sizeof( syncCookie )); } ldap_msgfree( msg ); msg = NULL; if ( ldap_pvt_thread_pool_pausing( &connection_pool )) { slap_sync_cookie_free( &syncCookie, 0 ); slap_sync_cookie_free( &syncCookie_req, 0 ); return SYNC_PAUSED; } } if ( rc == SYNC_ERROR ) { rc = LDAP_OTHER; ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc ); err = rc; } done: if ( err != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s (%d) %s\n", si->si_ridtxt, err, ldap_err2string( err ) ); } if ( refreshing && ( rc || si->si_refreshDone ) ) { refresh_finished( si ); } slap_sync_cookie_free( &syncCookie, 0 ); slap_sync_cookie_free( &syncCookie_req, 0 ); if ( msg ) ldap_msgfree( msg ); if ( rc ) { if ( rc == LDAP_SYNC_REFRESH_REQUIRED && si->si_logstate == SYNCLOG_LOGGING && si->si_ld ) return rc; /* never reuse existing connection */ if ( si->si_conn ) { connection_client_stop( si->si_conn ); si->si_conn = NULL; } ldap_unbind_ext( si->si_ld, NULL, NULL ); si->si_ld = NULL; } return rc; } static int syncrepl_monitor_add( syncinfo_t *si ); static int syncrepl_monitor_del( syncinfo_t *si ); static void * do_syncrepl( void *ctx, void *arg ) { struct re_s* rtask = arg; syncinfo_t *si = ( syncinfo_t * ) rtask->arg; Connection conn = {0}; OperationBuffer opbuf; Operation *op; int rc = LDAP_SUCCESS; int dostop = 0; ber_socket_t s; int i, fail = 0, freeinfo = 0; Backend *be; if ( si == NULL ) return NULL; if ( slapd_shutdown ) return NULL; if ( !si->si_monitorInited ) { syncrepl_monitor_add( si ); si->si_monitorInited = 1; } Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl %s\n", si->si_ridtxt ); /* Don't get stuck here while a pause is initiated */ while ( ldap_pvt_thread_mutex_trylock( &si->si_mutex )) { if ( slapd_shutdown ) return NULL; if ( !ldap_pvt_thread_pool_pausecheck( &connection_pool )) ldap_pvt_thread_yield(); } si->si_too_old = 0; if ( si->si_ctype < 1 ) { goto deleted; } switch( abs( si->si_type ) ) { case LDAP_SYNC_REFRESH_ONLY: case LDAP_SYNC_REFRESH_AND_PERSIST: #ifdef LDAP_CONTROL_X_DIRSYNC case MSAD_DIRSYNC: #endif break; default: ldap_pvt_thread_mutex_unlock( &si->si_mutex ); return NULL; } if ( slapd_shutdown ) { if ( si->si_ld ) { if ( si->si_conn ) { connection_client_stop( si->si_conn ); si->si_conn = NULL; } ldap_unbind_ext( si->si_ld, NULL, NULL ); si->si_ld = NULL; } ldap_pvt_thread_mutex_unlock( &si->si_mutex ); return NULL; } connection_fake_init( &conn, &opbuf, ctx ); op = &opbuf.ob_op; /* o_connids must be unique for slap_graduate_commit_csn */ op->o_connid = SLAPD_SYNC_RID2SYNCCONN(si->si_rid); op->o_managedsait = SLAP_CONTROL_NONCRITICAL; be = si->si_be; /* Coordinate contextCSN updates with any syncprov overlays * in use. This may be complicated by the use of the glue * overlay. * * Typically there is a single syncprov controlling the entire * glued tree. In that case, our contextCSN updates should * go to the primary DB. But if there is no syncprov on the * primary DB, then nothing special is needed here. * * Alternatively, there may be individual syncprov overlays * on each glued branch. In that case, each syncprov only * knows about changes within its own branch. And so our * contextCSN updates should only go to the local DB. */ if ( !si->si_wbe ) { if ( SLAP_GLUE_SUBORDINATE( be ) && !overlay_is_inst( be, "syncprov" )) { BackendDB * top_be = select_backend( &be->be_nsuffix[0], 1 ); if ( overlay_is_inst( top_be, "syncprov" )) si->si_wbe = top_be; else si->si_wbe = be; } else { si->si_wbe = be; } if ( SLAP_SYNC_SUBENTRY( si->si_wbe )) { build_new_dn( &si->si_contextdn, &si->si_wbe->be_nsuffix[0], (struct berval *)&slap_ldapsync_cn_bv, NULL ); } else { si->si_contextdn = si->si_wbe->be_nsuffix[0]; } } if ( !si->si_schemachecking ) op->o_no_schema_check = 1; /* Establish session, do search */ if ( !si->si_ld ) { if ( si->si_presentlist ) { presentlist_free( si->si_presentlist ); si->si_presentlist = NULL; } /* use main DB when retrieving contextCSN */ op->o_bd = si->si_wbe; op->o_dn = op->o_bd->be_rootdn; op->o_ndn = op->o_bd->be_rootndn; rc = do_syncrep1( op, si ); } else if ( !si->si_msgid ) { /* We got a SYNC_BUSY, now told to resume */ rc = ldap_sync_search( si, op->o_tmpmemctx ); } if ( rc == SYNC_BUSY ) { ldap_pvt_thread_mutex_unlock( &si->si_mutex ); return NULL; } reload: /* Process results */ if ( rc == LDAP_SUCCESS ) { ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s ); if ( !BER_BVISEMPTY( &si->si_monitor_ndn )) { Sockaddr addr; socklen_t len = sizeof( addr ); if ( !getsockname( s, &addr.sa_addr, &len )) { si->si_connaddr.bv_val = si->si_connaddrbuf; si->si_connaddr.bv_len = sizeof( si->si_connaddrbuf ); ldap_pvt_sockaddrstr( &addr, &si->si_connaddr ); } } /* use current DB */ op->o_bd = be; op->o_dn = op->o_bd->be_rootdn; op->o_ndn = op->o_bd->be_rootndn; rc = do_syncrep2( op, si ); if ( rc == LDAP_SYNC_REFRESH_REQUIRED ) { if ( si->si_logstate == SYNCLOG_LOGGING ) { if ( BER_BVISNULL( &si->si_syncCookie.octet_str )) slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str, si->si_syncCookie.ctxcsn, si->si_syncCookie.rid, si->si_syncCookie.sid, NULL ); rc = ldap_sync_search( si, op->o_tmpmemctx ); goto reload; } /* give up but schedule an immedite retry */ rc = SYNC_PAUSED; } deleted: /* We got deleted while running on cn=config */ if ( si->si_ctype < 1 ) { if ( si->si_ctype == -1 ) { si->si_ctype = 0; freeinfo = 1; } if ( si->si_conn ) dostop = 1; rc = SYNC_SHUTDOWN; } if ( rc != SYNC_PAUSED ) { if ( rc == SYNC_TIMEOUT ) { /* there was nothing to read, try to listen for more */ if ( si->si_conn ) { connection_client_enable( si->si_conn ); } else { si->si_conn = connection_client_setup( s, do_syncrepl, arg ); } } else if ( si->si_conn ) { dostop = 1; } } } /* At this point, we have 5 cases: * 1) for any hard failure, give up and remove this task * 2) for ServerDown, reschedule this task to run later * 3) for threadpool pause, reschedule to run immediately * 4) for SYNC_REPOLL, reschedule to run later * 5) for SYNC_TIMEOUT, reschedule to defer */ ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask ) ) { ldap_pvt_runqueue_stoptask( &slapd_rq, rtask ); } if ( dostop ) { connection_client_stop( si->si_conn ); si->si_conn = NULL; } if ( rc == SYNC_PAUSED ) { rtask->interval.tv_sec = 0; ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 ); rtask->interval.tv_sec = si->si_interval; rc = 0; } else if ( rc == SYNC_TIMEOUT ) { ldap_pvt_runqueue_resched( &slapd_rq, rtask, 1 ); } else if ( rc == SYNC_REPOLL ) { rtask->interval.tv_sec = si->si_interval; ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 ); if ( si->si_retrynum ) { for ( i = 0; si->si_retrynum_init[i] != RETRYNUM_TAIL; i++ ) { si->si_retrynum[i] = si->si_retrynum_init[i]; } si->si_retrynum[i] = RETRYNUM_TAIL; } slap_wake_listener(); rc = 0; } else { for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) { if ( si->si_retrynum[i] == RETRYNUM_FOREVER || si->si_retrynum[i] == RETRYNUM_TAIL ) break; } if ( si->si_ctype < 1 || rc == SYNC_SHUTDOWN || !si->si_retrynum || si->si_retrynum[i] == RETRYNUM_TAIL ) { if ( si->si_re ) { ldap_pvt_runqueue_remove( &slapd_rq, rtask ); si->si_re = NULL; } fail = RETRYNUM_TAIL; } else if ( RETRYNUM_VALID( si->si_retrynum[i] ) ) { if ( si->si_retrynum[i] > 0 ) si->si_retrynum[i]--; fail = si->si_retrynum[i]; rtask->interval.tv_sec = si->si_retryinterval[i]; ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 ); slap_wake_listener(); } } ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); ldap_pvt_thread_mutex_unlock( &si->si_mutex ); if ( rc ) { if ( fail == RETRYNUM_TAIL ) { Debug( LDAP_DEBUG_ANY, "do_syncrepl: %s rc %d quitting\n", si->si_ridtxt, rc ); } else if ( fail > 0 ) { Debug( LDAP_DEBUG_ANY, "do_syncrepl: %s rc %d retrying (%d retries left)\n", si->si_ridtxt, rc, fail ); } else { Debug( LDAP_DEBUG_ANY, "do_syncrepl: %s rc %d retrying\n", si->si_ridtxt, rc ); } } /* Do final delete cleanup */ if ( freeinfo ) { syncinfo_free( si, 0 ); } return NULL; } static int syncrepl_rewrite_dn( syncinfo_t *si, struct berval *dn, struct berval *sdn ) { char nul; int rc; nul = dn->bv_val[dn->bv_len]; dn->bv_val[dn->bv_len] = 0; rc = rewrite( si->si_rewrite, SUFFIXM_CTX, dn->bv_val, &sdn->bv_val ); dn->bv_val[dn->bv_len] = nul; if ( sdn->bv_val == dn->bv_val ) sdn->bv_val = NULL; else if ( rc == REWRITE_REGEXEC_OK && sdn->bv_val ) sdn->bv_len = strlen( sdn->bv_val ); return rc; } #define REWRITE_VAL(si, ad, bv, bv2) \ BER_BVZERO( &bv2 ); \ if ( si->si_rewrite && ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName) \ syncrepl_rewrite_dn( si, &bv, &bv2); \ if ( BER_BVISNULL( &bv2 )) \ ber_dupbv( &bv2, &bv ) #define REWRITE_DN(si, bv, bv2, dn, ndn) \ BER_BVZERO( &bv2 ); \ if (si->si_rewrite) \ syncrepl_rewrite_dn(si, &bv, &bv2); \ rc = dnPrettyNormal( NULL, bv2.bv_val ? &bv2 : &bv, &dn, &ndn, op->o_tmpmemctx ); \ ch_free(bv2.bv_val) static slap_verbmasks modops[] = { { BER_BVC("add"), LDAP_REQ_ADD }, { BER_BVC("delete"), LDAP_REQ_DELETE }, { BER_BVC("modify"), LDAP_REQ_MODIFY }, { BER_BVC("modrdn"), LDAP_REQ_MODRDN}, { BER_BVNULL, 0 } }; static int syncrepl_accesslog_mods( syncinfo_t *si, struct berval *vals, struct Modifications **modres ) { char *colon; const char *text; AttributeDescription *ad; struct berval bv, bv2; short op; Modifications *mod = NULL, *modlist = NULL, **modtail; int i, rc = 0; modtail = &modlist; for (i=0; !BER_BVISNULL( &vals[i] ); i++) { ad = NULL; bv = vals[i]; colon = ber_bvchr( &bv, ':' ); if ( !colon ) { /* Invalid */ continue; } else if ( colon == bv.bv_val ) { /* ITS#6545: An empty attribute signals that a new mod * is about to start */ mod = NULL; continue; } bv.bv_len = colon - bv.bv_val; if ( slap_bv2ad( &bv, &ad, &text ) ) { /* Invalid */ Debug( LDAP_DEBUG_ANY, "syncrepl_accesslog_mods: %s " "Invalid attribute %s, %s\n", si->si_ridtxt, bv.bv_val, text ); slap_mods_free( modlist, 1 ); modlist = NULL; rc = -1; break; } /* Ignore dynamically generated attrs */ if ( ad->ad_type->sat_flags & SLAP_AT_DYNAMIC ) { continue; } /* Ignore excluded attrs */ if ( ldap_charray_inlist( si->si_exattrs, ad->ad_type->sat_cname.bv_val ) ) { continue; } switch(colon[1]) { case '+': op = LDAP_MOD_ADD; break; case '-': op = LDAP_MOD_DELETE; break; case '=': op = LDAP_MOD_REPLACE; break; case '#': op = LDAP_MOD_INCREMENT; break; default: continue; } if ( !mod || ad != mod->sml_desc || op != mod->sml_op ) { mod = (Modifications *) ch_malloc( sizeof( Modifications ) ); mod->sml_flags = 0; mod->sml_op = op; mod->sml_next = NULL; mod->sml_desc = ad; mod->sml_type = ad->ad_cname; mod->sml_values = NULL; mod->sml_nvalues = NULL; mod->sml_numvals = 0; if ( is_at_single_value( ad->ad_type ) ) { if ( op == LDAP_MOD_ADD ) { /* ITS#9295 an ADD might conflict with an existing value */ mod->sml_op = LDAP_MOD_REPLACE; } else if ( op == LDAP_MOD_DELETE ) { /* ITS#9295 the above REPLACE could invalidate subsequent * DELETEs */ mod->sml_op = SLAP_MOD_SOFTDEL; } } *modtail = mod; modtail = &mod->sml_next; } if ( colon[2] == ' ' ) { bv.bv_val = colon + 3; bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val ); REWRITE_VAL( si, ad, bv, bv2 ); ber_bvarray_add( &mod->sml_values, &bv2 ); mod->sml_numvals++; } } *modres = modlist; return rc; } static int syncrepl_dsee_uuid( struct berval *dseestr, struct berval *syncUUID, void *ctx ) { slap_mr_normalize_func *normf; /* DSEE UUID is of form 12345678-12345678-12345678-12345678 */ if ( dseestr->bv_len != 35 ) return -1; dseestr->bv_len++; dseestr->bv_val[35] = '-'; normf = slap_schema.si_ad_entryUUID->ad_type->sat_equality->smr_normalize; if ( normf( SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX, NULL, NULL, dseestr, &syncUUID[0], ctx )) return -1; (void)slap_uuidstr_from_normalized( &syncUUID[1], &syncUUID[0], ctx ); return LDAP_SUCCESS; } static int syncrepl_changelog_mods( syncinfo_t *si, ber_tag_t req, struct berval *vals, struct Modifications **modres, struct berval *uuid, void *ctx ) { LDIFRecord lr; struct berval rbuf = vals[0]; int i, rc; int lrflags = LDIF_NO_DN; Modifications *mod = NULL, *modlist = NULL, **modtail = &modlist; if ( req == LDAP_REQ_ADD ) lrflags |= LDIF_ENTRIES_ONLY|LDIF_DEFAULT_ADD; else lrflags |= LDIF_MODS_ONLY; rc = ldap_parse_ldif_record_x( &rbuf, 0, &lr, "syncrepl", lrflags, ctx ); for (i = 0; lr.lrop_mods[i] != NULL; i++) { AttributeDescription *ad = NULL; const char *text; int j; if ( slap_str2ad( lr.lrop_mods[i]->mod_type, &ad, &text ) ) { /* Invalid */ Debug( LDAP_DEBUG_ANY, "syncrepl_changelog_mods: %s " "Invalid attribute %s, %s\n", si->si_ridtxt, lr.lrop_mods[i]->mod_type, text ); slap_mods_free( modlist, 1 ); modlist = NULL; rc = -1; break; } mod = (Modifications *) ch_malloc( sizeof( Modifications ) ); mod->sml_flags = 0; mod->sml_op = lr.lrop_mods[i]->mod_op ^ LDAP_MOD_BVALUES; mod->sml_next = NULL; mod->sml_desc = ad; mod->sml_type = ad->ad_cname; mod->sml_values = NULL; mod->sml_nvalues = NULL; j = 0; if ( lr.lrop_mods[i]->mod_bvalues != NULL ) { for (; lr.lrop_mods[i]->mod_bvalues[j] != NULL; j++ ) { struct berval bv, bv2; bv = *(lr.lrop_mods[i]->mod_bvalues[j]); REWRITE_VAL( si, ad, bv, bv2 ); ber_bvarray_add( &mod->sml_values, &bv2 ); } } mod->sml_numvals = j; *modtail = mod; modtail = &mod->sml_next; } ldap_ldif_record_done( &lr ); if ( req == LDAP_REQ_ADD && !BER_BVISNULL( uuid )) { struct berval uuids[2]; if ( !syncrepl_dsee_uuid( uuid, uuids, ctx )) { mod = (Modifications *) ch_malloc( sizeof( Modifications ) ); mod->sml_flags = 0; mod->sml_op = LDAP_MOD_ADD; mod->sml_next = NULL; mod->sml_desc = slap_schema.si_ad_entryUUID; mod->sml_type = slap_schema.si_ad_entryUUID->ad_cname; mod->sml_values = ch_malloc( 2 * sizeof(struct berval)); mod->sml_nvalues = NULL; ber_dupbv( &mod->sml_values[0], &uuids[1] ); BER_BVZERO( &mod->sml_values[1] ); slap_sl_free( uuids[0].bv_val, ctx ); slap_sl_free( uuids[1].bv_val, ctx ); mod->sml_numvals = 1; *modtail = mod; modtail = &mod->sml_next; } } *modres = modlist; return rc; } typedef struct OpExtraSync { OpExtra oe; syncinfo_t *oe_si; } OpExtraSync; /* Copy the original modlist, split Replace ops into Delete/Add, * and drop mod opattrs since this modification is in the past. */ static Modifications *mods_dup( Operation *op, Modifications *modlist, int match ) { Modifications *mod, *modnew = NULL, *modtail = NULL; int size; for ( ; modlist; modlist = modlist->sml_next ) { /* older ops */ if ( match < 0 ) { if ( modlist->sml_desc == slap_schema.si_ad_modifiersName || modlist->sml_desc == slap_schema.si_ad_modifyTimestamp || modlist->sml_desc == slap_schema.si_ad_entryCSN ) continue; if ( modlist->sml_values == NULL && modlist->sml_op == LDAP_MOD_REPLACE ) { /* ITS#9359 This adds no values, just change to a delete op */ modlist->sml_op = LDAP_MOD_DELETE; } else if ( modlist->sml_op == LDAP_MOD_REPLACE ) { mod = op->o_tmpalloc( sizeof(Modifications), op->o_tmpmemctx ); mod->sml_desc = modlist->sml_desc; mod->sml_values = NULL; mod->sml_nvalues = NULL; mod->sml_op = LDAP_MOD_DELETE; mod->sml_numvals = 0; mod->sml_flags = 0; if ( !modnew ) modnew = mod; if ( modtail ) modtail->sml_next = mod; modtail = mod; } } if ( modlist->sml_numvals ) { size = (modlist->sml_numvals+1) * sizeof(struct berval); if ( modlist->sml_nvalues ) size *= 2; } else { size = 0; } size += sizeof(Modifications); mod = op->o_tmpalloc( size, op->o_tmpmemctx ); if ( !modnew ) modnew = mod; if ( modtail ) modtail->sml_next = mod; modtail = mod; mod->sml_desc = modlist->sml_desc; mod->sml_numvals = modlist->sml_numvals; mod->sml_flags = 0; if ( modlist->sml_numvals ) { int i; mod->sml_values = (BerVarray)(mod+1); for (i=0; isml_numvals; i++) mod->sml_values[i] = modlist->sml_values[i]; BER_BVZERO(&mod->sml_values[i]); if ( modlist->sml_nvalues ) { mod->sml_nvalues = mod->sml_values + mod->sml_numvals + 1; for (i=0; isml_numvals; i++) mod->sml_nvalues[i] = modlist->sml_nvalues[i]; BER_BVZERO(&mod->sml_nvalues[i]); } else { mod->sml_nvalues = NULL; } } else { mod->sml_values = NULL; mod->sml_nvalues = NULL; } if ( match < 0 && modlist->sml_op == LDAP_MOD_REPLACE ) mod->sml_op = LDAP_MOD_ADD; else mod->sml_op = modlist->sml_op; mod->sml_next = NULL; } return modnew; } typedef struct resolve_ctxt { syncinfo_t *rx_si; Entry *rx_entry; Modifications *rx_mods; } resolve_ctxt; static void compare_vals( Modifications *m1, Modifications *m2 ) { int i, j; struct berval *bv1, *bv2; if ( m2->sml_nvalues ) { bv2 = m2->sml_nvalues; bv1 = m1->sml_nvalues; } else { bv2 = m2->sml_values; bv1 = m1->sml_values; } for ( j=0; jsml_numvals; j++ ) { for ( i=0; isml_numvals; i++ ) { if ( !ber_bvcmp( &bv1[i], &bv2[j] )) { int k; for ( k=i; ksml_numvals-1; k++ ) { m1->sml_values[k] = m1->sml_values[k+1]; if ( m1->sml_nvalues ) m1->sml_nvalues[k] = m1->sml_nvalues[k+1]; } BER_BVZERO(&m1->sml_values[k]); if ( m1->sml_nvalues ) { BER_BVZERO(&m1->sml_nvalues[k]); } m1->sml_numvals--; i--; } } } } static int syncrepl_resolve_cb( Operation *op, SlapReply *rs ) { if ( rs->sr_type == REP_SEARCH ) { resolve_ctxt *rx = op->o_callback->sc_private; Attribute *a = attr_find( rs->sr_entry->e_attrs, ad_reqMod ); if ( a ) { Modifications *oldmods, *newmods, *m1, *m2, **prev; Entry *e = rx->rx_entry; oldmods = rx->rx_mods; syncrepl_accesslog_mods( rx->rx_si, a->a_vals, &newmods ); for ( m2 = newmods; m2; m2=m2->sml_next ) { for ( prev = &oldmods, m1 = *prev; m1; m1 = *prev ) { if ( m1->sml_desc != m2->sml_desc ) { prev = &m1->sml_next; continue; } if ( m2->sml_op == LDAP_MOD_DELETE || m2->sml_op == SLAP_MOD_SOFTDEL || m2->sml_op == LDAP_MOD_REPLACE ) { int numvals = m2->sml_numvals; if ( m2->sml_op == LDAP_MOD_REPLACE ) numvals = 0; /* New delete All cancels everything */ if ( numvals == 0 ) { drop: *prev = m1->sml_next; op->o_tmpfree( m1, op->o_tmpmemctx ); continue; } if ( m1->sml_op == LDAP_MOD_DELETE || m1->sml_op == SLAP_MOD_SOFTDEL ) { if ( m1->sml_numvals == 0 ) { /* turn this to SOFTDEL later */ m1->sml_flags = SLAP_MOD_INTERNAL; } else { compare_vals( m1, m2 ); if ( !m1->sml_numvals ) goto drop; } } else if ( m1->sml_op == LDAP_MOD_ADD ) { compare_vals( m1, m2 ); if ( !m1->sml_numvals ) goto drop; } } if ( m2->sml_op == LDAP_MOD_ADD || m2->sml_op == LDAP_MOD_REPLACE ) { if ( m2->sml_desc->ad_type->sat_atype.at_single_value ) goto drop; if ( m1->sml_op == LDAP_MOD_DELETE ) { if ( m2->sml_op == LDAP_MOD_REPLACE ) { goto drop; } if ( !m1->sml_numvals ) { Modifications *m; unsigned int size, i; /* * ITS#9751 An ADD might supersede parts of * this delete, but we still need to honour the * rest. Keep resolving as if it was deleting * specific values */ a = attr_find( e->e_attrs, m1->sml_desc ); if ( !a ) { goto drop; } size = (a->a_numvals+1) * sizeof(struct berval); if ( a->a_nvals ) size *= 2; size += sizeof(Modifications); m = op->o_tmpalloc( size, op->o_tmpmemctx ); *m = *m1; m->sml_numvals = a->a_numvals; m->sml_values = (BerVarray)(m+1); for ( i=0; i < a->a_numvals; i++ ) m->sml_values[i] = a->a_vals[i]; BER_BVZERO( &m->sml_values[i] ); if ( a->a_nvals ) { m->sml_nvalues = m->sml_values + m->sml_numvals + 1; for ( i=0; i < a->a_numvals; i++ ) m->sml_nvalues[i] = a->a_nvals[i]; BER_BVZERO( &m->sml_nvalues[i] ); } else { m->sml_nvalues = NULL; } op->o_tmpfree( m1, op->o_tmpmemctx ); *prev = m1 = m; } } compare_vals( m1, m2 ); if ( !m1->sml_numvals ) goto drop; } prev = &m1->sml_next; } } slap_mods_free( newmods, 1 ); rx->rx_mods = oldmods; } } return LDAP_SUCCESS; } typedef struct modify_ctxt { Modifications *mx_orig; Modifications *mx_free; Entry *mx_entry; } modify_ctxt; static int syncrepl_modify_cb( Operation *op, SlapReply *rs ) { slap_callback *sc = op->o_callback; modify_ctxt *mx = sc->sc_private; Modifications *ml; op->orm_no_opattrs = 0; op->orm_modlist = mx->mx_orig; for ( ml = mx->mx_free; ml; ml = mx->mx_free ) { mx->mx_free = ml->sml_next; op->o_tmpfree( ml, op->o_tmpmemctx ); } if ( mx->mx_entry ) { entry_free( mx->mx_entry ); } op->o_callback = sc->sc_next; op->o_tmpfree( sc, op->o_tmpmemctx ); return SLAP_CB_CONTINUE; } static int syncrepl_op_modify( Operation *op, SlapReply *rs ) { slap_overinst *on = (slap_overinst *)op->o_bd->bd_info; OpExtra *oex; syncinfo_t *si; Entry *e, *e_dup; int rc, match = 0; Modifications *mod, *newlist; LDAP_SLIST_FOREACH( oex, &op->o_extra, oe_next ) { if ( oex->oe_key == (void *)syncrepl_message_to_op ) break; } if ( !oex ) return SLAP_CB_CONTINUE; si = ((OpExtraSync *)oex)->oe_si; /* Check if entryCSN in modlist is newer than entryCSN in entry. * We do it here because the op has been serialized by accesslog * by the time we get here. If the CSN is new enough, just do the * mod. If not, we need to resolve conflicts. */ for ( mod = op->orm_modlist; mod; mod=mod->sml_next ) { if ( mod->sml_desc == slap_schema.si_ad_entryCSN ) break; } /* FIXME: what should we do if entryCSN is missing from the mod? */ if ( !mod ) return SLAP_CB_CONTINUE; { int sid = slap_parse_csn_sid( &mod->sml_nvalues[0] ); ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); rc = check_csn_age( si, &op->o_req_dn, &mod->sml_nvalues[0], sid, (cookie_vals *)&si->si_cookieState->cs_vals, NULL ); ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); if ( rc == CV_CSN_OLD ) { slap_graduate_commit_csn( op ); /* tell accesslog this was a failure */ rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS; return LDAP_SUCCESS; } } rc = overlay_entry_get_ov( op, &op->o_req_ndn, NULL, NULL, 0, &e, on ); if ( rc == 0 ) { Attribute *a; const char *text; a = attr_find( e->e_attrs, slap_schema.si_ad_entryCSN ); if ( a ) { value_match( &match, slap_schema.si_ad_entryCSN, slap_schema.si_ad_entryCSN->ad_type->sat_ordering, SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX, &mod->sml_nvalues[0], &a->a_nvals[0], &text ); } else { /* no entryCSN? shouldn't happen. assume mod is newer. */ match = 1; } e_dup = entry_dup( e ); overlay_entry_release_ov( op, e, 0, on ); } else { return SLAP_CB_CONTINUE; } /* equal? Should never happen */ if ( match == 0 ) { slap_graduate_commit_csn( op ); /* tell accesslog this was a failure */ rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS; entry_free( e_dup ); return LDAP_SUCCESS; } /* mod is older: resolve conflicts... * 1. Save/copy original modlist. Split Replace to Del/Add. * 2. Find all mods to this reqDN newer than the mod stamp. * 3. Resolve any mods in this request that affect attributes * touched by newer mods. * old new * delete all delete all drop * delete all delete X SOFTDEL * delete X delete all drop * delete X delete X drop * delete X delete Y OK * delete all add X convert to delete current values, * drop delete X from it * delete X add X drop * delete X add Y OK * add X delete all drop * add X delete X drop * add X add X drop * add X add Y if SV, drop else OK * * 4. Swap original modlist back in response callback so * that accesslog logs the original mod. * * Even if the mod is newer, other out-of-order changes may * have been committed, forcing us to tweak the modlist: * 1. Save/copy original modlist. * 2. Change deletes to soft deletes. * 3. Change Adds of single-valued attrs to Replace. */ newlist = mods_dup( op, op->orm_modlist, match ); /* mod is older */ if ( match < 0 ) { Operation op2 = *op; AttributeName an[2]; struct berval bv; int size; SlapReply rs1 = {0}; resolve_ctxt rx; slap_callback cb = { NULL, syncrepl_resolve_cb, NULL, NULL }; Filter lf[3] = {0}; AttributeAssertion aa[2] = {0}; rx.rx_si = si; rx.rx_entry = e_dup; rx.rx_mods = newlist; cb.sc_private = ℞ op2.o_tag = LDAP_REQ_SEARCH; op2.ors_scope = LDAP_SCOPE_SUBTREE; op2.ors_deref = LDAP_DEREF_NEVER; op2.o_req_dn = si->si_logbase; op2.o_req_ndn = si->si_logbase; op2.ors_tlimit = SLAP_NO_LIMIT; op2.ors_slimit = SLAP_NO_LIMIT; op2.ors_limit = NULL; memset( an, 0, sizeof(an)); an[0].an_desc = ad_reqMod; an[0].an_name = ad_reqMod->ad_cname; op2.ors_attrs = an; op2.ors_attrsonly = 0; bv = mod->sml_nvalues[0]; size = sizeof("(&(entryCSN>=)(reqDN=))"); size += bv.bv_len + op->o_req_ndn.bv_len + si->si_logfilterstr.bv_len; op2.ors_filterstr.bv_val = op->o_tmpalloc( size, op->o_tmpmemctx ); op2.ors_filterstr.bv_len = sprintf(op2.ors_filterstr.bv_val, "(&(entryCSN>=%s)(reqDN=%s)%s)", bv.bv_val, op->o_req_ndn.bv_val, si->si_logfilterstr.bv_val ); lf[0].f_choice = LDAP_FILTER_AND; lf[0].f_and = lf+1; lf[1].f_choice = LDAP_FILTER_GE; lf[1].f_ava = aa; lf[1].f_av_desc = slap_schema.si_ad_entryCSN; lf[1].f_av_value = bv; lf[1].f_next = lf+2; lf[2].f_choice = LDAP_FILTER_EQUALITY; lf[2].f_ava = aa+1; lf[2].f_av_desc = ad_reqDN; lf[2].f_av_value = op->o_req_ndn; lf[2].f_next = si->si_logfilter; op2.ors_filter = lf; op2.o_callback = &cb; op2.o_bd = select_backend( &op2.o_req_ndn, 1 ); op2.o_bd->be_search( &op2, &rs1 ); newlist = rx.rx_mods; } { slap_callback *sc = op->o_tmpalloc( sizeof(slap_callback) + sizeof(modify_ctxt), op->o_tmpmemctx ); modify_ctxt *mx = (modify_ctxt *)(sc+1); Modifications *ml; sc->sc_response = syncrepl_modify_cb; sc->sc_private = mx; sc->sc_next = op->o_callback; sc->sc_cleanup = NULL; sc->sc_writewait = NULL; op->o_callback = sc; op->orm_no_opattrs = 1; mx->mx_orig = op->orm_modlist; mx->mx_free = newlist; mx->mx_entry = e_dup; for ( ml = newlist; ml; ml=ml->sml_next ) { if ( ml->sml_flags == SLAP_MOD_INTERNAL ) { ml->sml_flags = 0; ml->sml_op = SLAP_MOD_SOFTDEL; } else if ( ml->sml_op == LDAP_MOD_DELETE ) ml->sml_op = SLAP_MOD_SOFTDEL; else if ( ml->sml_op == LDAP_MOD_ADD && ml->sml_desc->ad_type->sat_atype.at_single_value ) ml->sml_op = LDAP_MOD_REPLACE; } op->orm_modlist = newlist; op->o_csn = mod->sml_nvalues[0]; } return SLAP_CB_CONTINUE; } static int syncrepl_null_callback( Operation *op, SlapReply *rs ) { /* If we're not the last callback in the chain, move to the end */ if ( op->o_callback->sc_next ) { slap_callback **sc, *s1; s1 = op->o_callback; op->o_callback = op->o_callback->sc_next; for ( sc = &op->o_callback; *sc; sc = &(*sc)->sc_next ) ; *sc = s1; s1->sc_next = NULL; return SLAP_CB_CONTINUE; } if ( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_REFERRAL && rs->sr_err != LDAP_ALREADY_EXISTS && rs->sr_err != LDAP_NO_SUCH_OBJECT && rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF ) { Debug( LDAP_DEBUG_ANY, "syncrepl_null_callback : error code 0x%x\n", rs->sr_err ); } return LDAP_SUCCESS; } static int syncrepl_message_to_op( syncinfo_t *si, Operation *op, LDAPMessage *msg, int do_lock ) { BerElement *ber = NULL; Modifications *modlist = NULL; logschema *ls; SlapReply rs = { REP_RESULT }; slap_callback cb = { NULL, syncrepl_null_callback, NULL, NULL }; const char *text; char txtbuf[SLAP_TEXT_BUFLEN]; size_t textlen = sizeof txtbuf; struct berval bdn, dn = BER_BVNULL, ndn; struct berval bv, bv2, *bvals = NULL; struct berval rdn = BER_BVNULL, sup = BER_BVNULL, prdn = BER_BVNULL, nrdn = BER_BVNULL, psup = BER_BVNULL, nsup = BER_BVNULL; struct berval dsee_uuid = BER_BVNULL, dsee_mods = BER_BVNULL; int rc, deleteOldRdn = 0, freeReqDn = 0; int do_graduate = 0, do_unlock = 0; unsigned long changenum = 0; if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s " "Message type should be entry (%d)", si->si_ridtxt, ldap_msgtype( msg ) ); return -1; } if ( si->si_syncdata == SYNCDATA_ACCESSLOG ) ls = &accesslog_sc; else ls = &changelog_sc; rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn ); if ( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s dn get failed (%d)", si->si_ridtxt, rc ); return rc; } op->o_tag = LBER_DEFAULT; op->o_bd = si->si_wbe; if ( BER_BVISEMPTY( &bdn )) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s got empty dn", si->si_ridtxt ); return LDAP_OTHER; } while (( rc = ldap_get_attribute_ber( si->si_ld, msg, ber, &bv, &bvals ) ) == LDAP_SUCCESS ) { if ( bv.bv_val == NULL ) break; if ( !ber_bvstrcasecmp( &bv, &ls->ls_dn ) ) { bdn = bvals[0]; REWRITE_DN( si, bdn, bv2, dn, ndn ); if ( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s " "dn \"%s\" normalization failed (%d)", si->si_ridtxt, bdn.bv_val, rc ); rc = -1; ch_free( bvals ); goto done; } op->o_req_dn = dn; op->o_req_ndn = ndn; freeReqDn = 1; } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_req ) ) { int i = verb_to_mask( bvals[0].bv_val, modops ); if ( i < 0 ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s unknown op %s", si->si_ridtxt, bvals[0].bv_val ); ch_free( bvals ); rc = -1; goto done; } op->o_tag = modops[i].mask; } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_mod ) ) { /* Parse attribute into modlist */ if ( si->si_syncdata == SYNCDATA_ACCESSLOG ) { rc = syncrepl_accesslog_mods( si, bvals, &modlist ); } else { dsee_mods = bvals[0]; } if ( rc ) goto done; } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newRdn ) ) { rdn = bvals[0]; } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_delRdn ) ) { if ( !ber_bvstrcasecmp( &slap_true_bv, bvals ) ) { deleteOldRdn = 1; } } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup ) ) { sup = bvals[0]; } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_controls ) ) { int i; struct berval rel_ctrl_bv; (void)ber_str2bv( "{" LDAP_CONTROL_RELAX, 0, 0, &rel_ctrl_bv ); for ( i = 0; bvals[i].bv_val; i++ ) { struct berval cbv, tmp; ber_bvchr_post( &cbv, &bvals[i], '}' ); ber_bvchr_post( &tmp, &cbv, '{' ); ber_bvchr_pre( &cbv, &tmp, ' ' ); if ( cbv.bv_len == tmp.bv_len ) /* control w/o value */ ber_bvchr_pre( &cbv, &tmp, '}' ); if ( !ber_bvcmp( &cbv, &rel_ctrl_bv ) ) op->o_relax = SLAP_CONTROL_CRITICAL; } } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_uuid ) ) { dsee_uuid = bvals[0]; } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_changenum ) ) { changenum = strtoul( bvals->bv_val, NULL, 0 ); } else if ( !ber_bvstrcasecmp( &bv, &slap_schema.si_ad_entryCSN->ad_cname ) ) { int i, sid = slap_parse_csn_sid( bvals ); ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); i = check_csn_age( si, &bdn, bvals, sid, (cookie_vals *)&si->si_cookieState->cs_vals, NULL ); ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); if ( i == CV_CSN_OLD ) { goto done; } slap_queue_csn( op, bvals ); do_graduate = 1; } ch_free( bvals ); } /* don't parse mods until we've gotten the uuid */ if ( si->si_syncdata == SYNCDATA_CHANGELOG && !BER_BVISNULL( &dsee_mods )) { rc = syncrepl_changelog_mods( si, op->o_tag, &dsee_mods, &modlist, &dsee_uuid, op->o_tmpmemctx ); if ( rc ) goto done; } /* If we didn't get a mod type or a target DN, bail out */ if ( op->o_tag == LBER_DEFAULT || BER_BVISNULL( &dn ) ) { rc = -1; goto done; } if ( do_lock ) { if (( rc = get_pmutex( si ))) goto done; do_unlock = 1; } op->o_callback = &cb; slap_op_time( &op->o_time, &op->o_tincr ); Debug( LDAP_DEBUG_SYNC, "syncrepl_message_to_op: %s tid %p\n", si->si_ridtxt, (void *)op->o_tid ); switch( op->o_tag ) { case LDAP_REQ_ADD: case LDAP_REQ_MODIFY: /* If we didn't get required data, bail */ if ( !modlist ) goto done; rc = slap_mods_check( op, modlist, &text, txtbuf, textlen, NULL ); if ( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s " "mods check (%s)\n", si->si_ridtxt, text ); goto done; } if ( op->o_tag == LDAP_REQ_ADD ) { Entry *e = entry_alloc(); op->ora_e = e; ber_dupbv( &op->ora_e->e_name, &op->o_req_dn ); ber_dupbv( &op->ora_e->e_nname, &op->o_req_ndn ); rc = slap_mods2entry( modlist, &op->ora_e, 1, 0, &text, txtbuf, textlen); if( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_op: %s " "mods2entry (%s)\n", si->si_ridtxt, text ); } else { rc = op->o_bd->be_add( op, &rs ); Debug( LDAP_DEBUG_SYNC, "syncrepl_message_to_op: %s be_add %s (%d)\n", si->si_ridtxt, op->o_req_dn.bv_val, rc ); do_graduate = 0; if ( rc == LDAP_ALREADY_EXISTS ) { Attribute *a = attr_find( e->e_attrs, slap_schema.si_ad_entryCSN ); struct berval *vals; if ( a && backend_attribute( op, NULL, &op->o_req_ndn, slap_schema.si_ad_entryCSN, &vals, ACL_READ ) == LDAP_SUCCESS ) { if ( ber_bvcmp( &vals[0], &a->a_vals[0] ) >= 0 ) rc = LDAP_SUCCESS; ber_bvarray_free_x( vals, op->o_tmpmemctx ); } } } if ( e == op->ora_e ) be_entry_release_w( op, op->ora_e ); } else { OpExtraSync oes; op->orm_modlist = modlist; op->o_bd = si->si_wbe; /* delta-mpr needs additional checks in syncrepl_op_modify */ if ( SLAP_MULTIPROVIDER( op->o_bd )) { oes.oe.oe_key = (void *)syncrepl_message_to_op; oes.oe_si = si; LDAP_SLIST_INSERT_HEAD( &op->o_extra, &oes.oe, oe_next ); } rc = op->o_bd->be_modify( op, &rs ); if ( SLAP_MULTIPROVIDER( op->o_bd )) { LDAP_SLIST_REMOVE( &op->o_extra, &oes.oe, OpExtra, oe_next ); BER_BVZERO( &op->o_csn ); } modlist = op->orm_modlist; Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC, "syncrepl_message_to_op: %s be_modify %s (%d)\n", si->si_ridtxt, op->o_req_dn.bv_val, rc ); op->o_bd = si->si_be; do_graduate = 0; } break; case LDAP_REQ_MODRDN: if ( BER_BVISNULL( &rdn ) ) goto done; if ( rdnPretty( NULL, &rdn, &prdn, NULL ) ) { goto done; } if ( rdnNormalize( 0, NULL, NULL, &rdn, &nrdn, NULL ) ) { goto done; } if ( !BER_BVISNULL( &sup ) ) { REWRITE_DN( si, sup, bv2, psup, nsup ); if ( rc ) goto done; op->orr_newSup = &psup; op->orr_nnewSup = ⊅ } else { op->orr_newSup = NULL; op->orr_nnewSup = NULL; } op->orr_newrdn = prdn; op->orr_nnewrdn = nrdn; op->orr_deleteoldrdn = deleteOldRdn; op->orr_modlist = NULL; if ( slap_modrdn2mods( op, &rs ) ) { goto done; } /* Append modlist for operational attrs */ { Modifications *m; for ( m = op->orr_modlist; m->sml_next; m = m->sml_next ) ; m->sml_next = modlist; modlist = NULL; } rc = op->o_bd->be_modrdn( op, &rs ); slap_mods_free( op->orr_modlist, 1 ); Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC, "syncrepl_message_to_op: %s be_modrdn %s (%d)\n", si->si_ridtxt, op->o_req_dn.bv_val, rc ); do_graduate = 0; break; case LDAP_REQ_DELETE: rc = op->o_bd->be_delete( op, &rs ); Debug( rc ? LDAP_DEBUG_ANY : LDAP_DEBUG_SYNC, "syncrepl_message_to_op: %s be_delete %s (%d)\n", si->si_ridtxt, op->o_req_dn.bv_val, rc ); /* silently ignore this */ if ( rc == LDAP_NO_SUCH_OBJECT ) rc = LDAP_SUCCESS; do_graduate = 0; break; } if ( si->si_syncdata == SYNCDATA_CHANGELOG && !rc ) si->si_lastchange = changenum; done: if ( do_graduate ) slap_graduate_commit_csn( op ); if ( do_unlock ) ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_pmutex ); op->o_bd = si->si_be; op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx ); BER_BVZERO( &op->o_csn ); if ( modlist ) { slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD ); } if ( !BER_BVISNULL( &rdn ) ) { if ( !BER_BVISNULL( &nsup ) ) { ch_free( nsup.bv_val ); } if ( !BER_BVISNULL( &psup ) ) { ch_free( psup.bv_val ); } if ( !BER_BVISNULL( &nrdn ) ) { ch_free( nrdn.bv_val ); } if ( !BER_BVISNULL( &prdn ) ) { ch_free( prdn.bv_val ); } } if ( freeReqDn ) { op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx ); op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx ); } ber_free( ber, 0 ); return rc; } static int syncrepl_message_to_entry( syncinfo_t *si, Operation *op, LDAPMessage *msg, Modifications **modlist, Entry **entry, int syncstate, struct berval *syncUUID ) { Entry *e = NULL; BerElement *ber = NULL; Modifications tmp; Modifications *mod; Modifications **modtail = modlist; const char *text; char txtbuf[SLAP_TEXT_BUFLEN]; size_t textlen = sizeof txtbuf; struct berval bdn = BER_BVNULL, dn, ndn, bv2; int rc, is_ctx; *modlist = NULL; if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s " "Message type should be entry (%d)", si->si_ridtxt, ldap_msgtype( msg ) ); return -1; } op->o_tag = LDAP_REQ_ADD; rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn ); if ( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s dn get failed (%d)", si->si_ridtxt, rc ); return rc; } if ( BER_BVISEMPTY( &bdn ) && !BER_BVISEMPTY( &op->o_bd->be_nsuffix[0] ) ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s got empty dn", si->si_ridtxt ); return LDAP_OTHER; } if ( si->si_syncdata != SYNCDATA_CHANGELOG ) { /* syncUUID[0] is normalized UUID received over the wire * syncUUID[1] is denormalized UUID, generated here */ (void)slap_uuidstr_from_normalized( &syncUUID[1], &syncUUID[0], op->o_tmpmemctx ); Debug( LDAP_DEBUG_SYNC, "syncrepl_message_to_entry: %s DN: %s, UUID: %s\n", si->si_ridtxt, bdn.bv_val, syncUUID[1].bv_val ); } if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) { /* NOTE: this could be done even before decoding the DN, * although encoding errors wouldn't be detected */ rc = LDAP_SUCCESS; goto done; } if ( entry == NULL ) { return -1; } REWRITE_DN( si, bdn, bv2, dn, ndn ); if ( rc != LDAP_SUCCESS ) { /* One of the things that could happen is that the schema * is not lined-up; this could result in unknown attributes. * A value non conformant to the syntax should be unlikely, * except when replicating between different versions * of the software, or when syntax validation bugs are fixed */ Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: " "%s dn \"%s\" normalization failed (%d)", si->si_ridtxt, bdn.bv_val, rc ); return rc; } ber_dupbv( &op->o_req_dn, &dn ); ber_dupbv( &op->o_req_ndn, &ndn ); slap_sl_free( ndn.bv_val, op->o_tmpmemctx ); slap_sl_free( dn.bv_val, op->o_tmpmemctx ); is_ctx = dn_match( &op->o_req_ndn, &op->o_bd->be_nsuffix[0] ); e = entry_alloc(); e->e_name = op->o_req_dn; e->e_nname = op->o_req_ndn; while ( ber_remaining( ber ) ) { if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) == LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) ) { break; } /* Drop all updates to the contextCSN of the context entry * (ITS#4622, etc.) */ if ( is_ctx && !strcasecmp( tmp.sml_type.bv_val, slap_schema.si_ad_contextCSN->ad_cname.bv_val )) { ber_bvarray_free( tmp.sml_values ); continue; } /* map nsUniqueId to entryUUID, drop nsUniqueId */ if ( si->si_syncdata == SYNCDATA_CHANGELOG && !strcasecmp( tmp.sml_type.bv_val, sy_ad_nsUniqueId->ad_cname.bv_val )) { rc = syncrepl_dsee_uuid( &tmp.sml_values[0], syncUUID, op->o_tmpmemctx ); ber_bvarray_free( tmp.sml_values ); if ( rc ) goto done; continue; } mod = (Modifications *) ch_malloc( sizeof( Modifications ) ); mod->sml_op = LDAP_MOD_REPLACE; mod->sml_flags = 0; mod->sml_next = NULL; mod->sml_desc = NULL; mod->sml_type = tmp.sml_type; mod->sml_values = tmp.sml_values; mod->sml_nvalues = NULL; mod->sml_numvals = 0; /* slap_mods_check will set this */ if (si->si_rewrite) { AttributeDescription *ad = NULL; slap_bv2ad( &tmp.sml_type, &ad, &text ); if ( ad ) { mod->sml_desc = ad; mod->sml_type = ad->ad_cname; if ( ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) { int i; for ( i = 0; tmp.sml_values[i].bv_val; i++ ) { syncrepl_rewrite_dn( si, &tmp.sml_values[i], &bv2); if ( !BER_BVISNULL( &bv2 )) { ber_memfree( tmp.sml_values[i].bv_val ); tmp.sml_values[i] = bv2; } } } } } *modtail = mod; modtail = &mod->sml_next; } if ( *modlist == NULL ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s no attributes\n", si->si_ridtxt ); rc = -1; goto done; } rc = slap_mods_check( op, *modlist, &text, txtbuf, textlen, NULL ); if ( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods check (%s)\n", si->si_ridtxt, text ); goto done; } /* Strip out dynamically generated attrs */ for ( modtail = modlist; *modtail ; ) { mod = *modtail; if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) { *modtail = mod->sml_next; slap_mod_free( &mod->sml_mod, 0 ); ch_free( mod ); } else { modtail = &mod->sml_next; } } /* Strip out attrs in exattrs list */ for ( modtail = modlist; *modtail ; ) { mod = *modtail; if ( ldap_charray_inlist( si->si_exattrs, mod->sml_desc->ad_type->sat_cname.bv_val ) ) { *modtail = mod->sml_next; slap_mod_free( &mod->sml_mod, 0 ); ch_free( mod ); } else { modtail = &mod->sml_next; } } rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen); if( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: %s mods2entry (%s)\n", si->si_ridtxt, text ); } done: ber_free( ber, 0 ); if ( rc != LDAP_SUCCESS ) { if ( e ) { entry_free( e ); e = NULL; } } if ( entry ) *entry = e; return rc; } #ifdef LDAP_CONTROL_X_DIRSYNC static int syncrepl_dirsync_message( syncinfo_t *si, Operation *op, LDAPMessage *msg, Modifications **modlist, Entry **entry, int *syncstate, struct berval *syncUUID ) { Entry *e = NULL; BerElement *ber = NULL; Modifications tmp; Modifications *mod, *rangeMod = NULL; Modifications **modtail = modlist; const char *text; char txtbuf[SLAP_TEXT_BUFLEN]; size_t textlen = sizeof txtbuf; struct berval bdn = BER_BVNULL, dn, ndn, bv2; int rc; *modlist = NULL; *syncstate = MSAD_DIRSYNC_MODIFY; if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) { Debug( LDAP_DEBUG_ANY, "syncrepl_dirsync_message: %s " "Message type should be entry (%d)\n", si->si_ridtxt, ldap_msgtype( msg ) ); return -1; } rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn ); if ( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_dirsync_message: %s dn get failed (%d)\n", si->si_ridtxt, rc ); return rc; } if ( BER_BVISEMPTY( &bdn ) && !BER_BVISEMPTY( &op->o_bd->be_nsuffix[0] ) ) { Debug( LDAP_DEBUG_ANY, "syncrepl_dirsync_message: %s got empty dn\n", si->si_ridtxt ); return LDAP_OTHER; } while ( ber_remaining( ber ) ) { AttributeDescription *ad = NULL; if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) == LBER_ERROR ) || BER_BVISNULL( &tmp.sml_type ) ) { break; } if ( tmp.sml_values == NULL ) continue; mod = (Modifications *) ch_malloc( sizeof( Modifications ) ); mod->sml_op = LDAP_MOD_REPLACE; mod->sml_flags = 0; mod->sml_next = NULL; mod->sml_desc = NULL; mod->sml_type = tmp.sml_type; mod->sml_values = tmp.sml_values; mod->sml_nvalues = NULL; mod->sml_numvals = 0; /* slap_mods_check will set this */ rc = slap_bv2ad( &tmp.sml_type, &ad, &text ); if ( !ad ) { Debug( LDAP_DEBUG_ANY, "syncrepl_dirsync_message: %s unknown attributeType %s\n", si->si_ridtxt, tmp.sml_type.bv_val ); return rc; } mod->sml_desc = ad; mod->sml_type = ad->ad_cname; if (( ad->ad_flags & SLAP_DESC_TAG_RANGE ) && rangeMod == NULL) rangeMod = mod; if (si->si_rewrite) { if ( ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) { int i; for ( i = 0; tmp.sml_values[i].bv_val; i++ ) { syncrepl_rewrite_dn( si, &tmp.sml_values[i], &bv2); if ( !BER_BVISNULL( &bv2 )) { ber_memfree( tmp.sml_values[i].bv_val ); tmp.sml_values[i] = bv2; } } } } if ( mod->sml_desc == sy_ad_objectGUID ) { ber_dupbv_x( &syncUUID[0], &tmp.sml_values[0], op->o_tmpmemctx ); /* syncUUID[0] is normalized UUID received over the wire * syncUUID[1] is denormalized UUID, generated here */ (void)slap_uuidstr_from_normalized( &syncUUID[1], &syncUUID[0], op->o_tmpmemctx ); Debug( LDAP_DEBUG_SYNC, "syncrepl_dirsync_message: %s DN: %s, UUID: %s\n", si->si_ridtxt, bdn.bv_val, syncUUID[1].bv_val ); } else if ( mod->sml_desc == sy_ad_isDeleted ) { *syncstate = LDAP_SYNC_DELETE; } else if ( mod->sml_desc == sy_ad_whenCreated ) { *syncstate = LDAP_SYNC_ADD; *modtail = mod; modtail = &mod->sml_next; mod = (Modifications *) ch_malloc( sizeof( Modifications ) ); mod->sml_op = LDAP_MOD_REPLACE; mod->sml_flags = 0; mod->sml_next = NULL; mod->sml_desc = slap_schema.si_ad_createTimestamp; mod->sml_type = mod->sml_desc->ad_cname; ber_bvarray_dup_x( &mod->sml_values, tmp.sml_values, NULL ); mod->sml_nvalues = NULL; mod->sml_numvals = 0; /* slap_mods_check will set this */ } /* else is a modify or modrdn */ *modtail = mod; modtail = &mod->sml_next; } if ( *modlist == NULL ) { Debug( LDAP_DEBUG_ANY, "syncrepl_dirsync_message: %s no attributes\n", si->si_ridtxt ); rc = -1; goto done; } if ( *syncstate == LDAP_SYNC_DELETE ) { e = NULL; slap_mods_free( *modlist, 1 ); *modlist = NULL; } else { /* check for incremental multival mods */ if ( *syncstate == MSAD_DIRSYNC_MODIFY && rangeMod != NULL ) { for (; rangeMod; rangeMod = rangeMod->sml_next) { if ( rangeMod->sml_desc->ad_flags & SLAP_DESC_TAG_RANGE ) { if ( bvmatch( &rangeMod->sml_desc->ad_tags, &msad_addval )) rangeMod->sml_op = SLAP_MOD_SOFTADD; else if ( bvmatch( &rangeMod->sml_desc->ad_tags, &msad_delval )) rangeMod->sml_op = SLAP_MOD_SOFTDEL; /* turn the tagged attr into a normal one */ if ( rangeMod->sml_op != LDAP_MOD_REPLACE ) { AttributeDescription *ad = NULL; slap_bv2ad( &rangeMod->sml_desc->ad_type->sat_cname, &ad, &text ); rangeMod->sml_desc = ad; } } } } rc = slap_mods_check( op, *modlist, &text, txtbuf, textlen, NULL ); if ( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_dirsync_message: %s mods check (%s)\n", si->si_ridtxt, text ); goto done; } REWRITE_DN( si, bdn, bv2, dn, ndn ); if ( rc != LDAP_SUCCESS ) { /* One of the things that could happen is that the schema * is not lined-up; this could result in unknown attributes. * A value non conformant to the syntax should be unlikely, * except when replicating between different versions * of the software, or when syntax validation bugs are fixed */ Debug( LDAP_DEBUG_ANY, "syncrepl_dirsync_message: " "%s dn \"%s\" normalization failed (%d)", si->si_ridtxt, bdn.bv_val, rc ); return rc; } ber_dupbv( &op->o_req_dn, &dn ); ber_dupbv( &op->o_req_ndn, &ndn ); slap_sl_free( ndn.bv_val, op->o_tmpmemctx ); slap_sl_free( dn.bv_val, op->o_tmpmemctx ); e = entry_alloc(); e->e_name = op->o_req_dn; e->e_nname = op->o_req_ndn; /* Strip out redundant attrs */ if ( *syncstate == MSAD_DIRSYNC_MODIFY ) { for ( modtail = modlist; *modtail ; ) { mod = *modtail; if ( mod->sml_desc == sy_ad_objectGUID || mod->sml_desc == sy_ad_instanceType ) { *modtail = mod->sml_next; slap_mod_free( &mod->sml_mod, 0 ); ch_free( mod ); } else { modtail = &mod->sml_next; } } } /* Strip out dynamically generated attrs */ for ( modtail = modlist; *modtail ; ) { mod = *modtail; if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) { *modtail = mod->sml_next; slap_mod_free( &mod->sml_mod, 0 ); ch_free( mod ); } else { modtail = &mod->sml_next; } } /* Strip out attrs in exattrs list */ for ( modtail = modlist; *modtail ; ) { mod = *modtail; if ( ldap_charray_inlist( si->si_exattrs, mod->sml_desc->ad_type->sat_cname.bv_val ) ) { *modtail = mod->sml_next; slap_mod_free( &mod->sml_mod, 0 ); ch_free( mod ); } else { modtail = &mod->sml_next; } } rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen); if( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_dirsync_message: %s mods2entry (%s)\n", si->si_ridtxt, text ); } } done: ber_free( ber, 0 ); if ( rc != LDAP_SUCCESS ) { if ( e ) { entry_free( e ); e = NULL; } } if ( entry ) *entry = e; return rc; } static int syncrepl_dirsync_cookie( syncinfo_t *si, Operation *op, LDAPControl **ctrls ) { LDAPControl *ctrl, **next; Backend *be = op->o_bd; Modifications mod; struct berval vals[2]; int rc, continueFlag; slap_callback cb = { NULL }; SlapReply rs_modify = {REP_RESULT}; ctrl = ldap_control_find( LDAP_CONTROL_X_DIRSYNC, ctrls, &next ); if ( ctrl == NULL ) { ldap_controls_free( ctrls ); return -1; } rc = ldap_parse_dirsync_control( si->si_ld, ctrl, &continueFlag, &vals[0] ); if ( !bvmatch( &vals[0], &si->si_dirSyncCookie )) { BER_BVZERO( &vals[1] ); mod.sml_op = LDAP_MOD_REPLACE; mod.sml_desc = sy_ad_dirSyncCookie; mod.sml_type = mod.sml_desc->ad_cname; mod.sml_flags = SLAP_MOD_INTERNAL; mod.sml_nvalues = NULL; mod.sml_next = NULL; op->o_bd = si->si_wbe; op->o_tag = LDAP_REQ_MODIFY; cb.sc_response = syncrepl_null_callback; cb.sc_private = si; op->o_callback = &cb; op->o_req_dn = si->si_contextdn; op->o_req_ndn = si->si_contextdn; op->o_dont_replicate = 0; slap_op_time( &op->o_time, &op->o_tincr ); mod.sml_numvals = 1; mod.sml_values = vals; op->orm_modlist = &mod; op->orm_no_opattrs = 1; rc = op->o_bd->be_modify( op, &rs_modify ); op->orm_no_opattrs = 0; op->o_bd = be; if ( mod.sml_next ) slap_mods_free( mod.sml_next, 1 ); if ( rc == LDAP_SUCCESS ) { ber_bvreplace( &si->si_dirSyncCookie, &vals[0] ); /* there are more changes still remaining */ if ( continueFlag ) rc = LDAP_SYNC_REFRESH_REQUIRED; } } ch_free( vals[0].bv_val ); ldap_controls_free( ctrls ); return rc; } static int syncrepl_dirsync_schema() { const char *text; int rc; rc = slap_str2ad( "objectGUID", &sy_ad_objectGUID, &text ); if ( rc ) return rc; rc = slap_str2ad( "instanceType", &sy_ad_instanceType, &text ); if ( rc ) return rc; rc = slap_str2ad( "isDeleted", &sy_ad_isDeleted, &text ); if ( rc ) return rc; rc = slap_str2ad( "whenCreated", &sy_ad_whenCreated, &text ); if ( rc ) return rc; return register_at( "( 1.3.6.1.4.1.4203.666.1.27 " /* OpenLDAP-specific */ "NAME 'dirSyncCookie' " "DESC 'DirSync Cookie for shadow copy' " "EQUALITY octetStringMatch " "ORDERING octetStringOrderingMatch " "SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 " "SINGLE-VALUE NO-USER-MODIFICATION USAGE dSAOperation )", &sy_ad_dirSyncCookie, 0); } #endif /* LDAP_CONTROL_X_DIRSYNC */ static int syncrepl_dsee_schema() { const char *text; int rc; rc = slap_str2ad( "nsUniqueId", &sy_ad_nsUniqueId, &text ); if ( rc ) return rc; return register_at( "( 1.3.6.1.4.1.4203.666.1.28 " /* OpenLDAP-specific */ "NAME 'lastChangeNumber' " "DESC 'RetroChangelog latest change record' " "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 " "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )", &sy_ad_dseeLastChange, 0); } /* During a refresh, we may get an LDAP_SYNC_ADD for an already existing * entry if a previous refresh was interrupted before sending us a new * context state. We try to compare the new entry to the existing entry * and ignore the new entry if they are the same. * * Also, we may get an update where the entryDN has changed, due to * a ModDn on the provider. We detect this as well, so we can issue * the corresponding operation locally. * * In the case of a modify, we get a list of all the attributes * in the original entry. Rather than deleting the entry and re-adding it, * we issue a Modify request that deletes all the attributes and adds all * the new ones. This avoids the issue of trying to delete/add a non-leaf * entry. * * We otherwise distinguish ModDN from Modify; in the case of * a ModDN we just use the CSN, modifyTimestamp and modifiersName * operational attributes from the entry, and do a regular ModDN. */ typedef struct dninfo { syncinfo_t *si; Entry *new_entry; struct berval dn; struct berval ndn; struct berval nnewSup; int syncstate; int renamed; /* Was an existing entry renamed? */ int delOldRDN; /* Was old RDN deleted? */ Modifications **modlist; /* the modlist we received */ Modifications *mods; /* the modlist we compared */ int oldNcount; /* #values of old naming attr */ AttributeDescription *oldDesc; /* for renames */ AttributeDescription *newDesc; /* for renames */ } dninfo; #define HASHUUID 1 /* return 1 if inserted, 0 otherwise */ static int presentlist_insert( syncinfo_t* si, struct berval *syncUUID ) { char *val; #ifdef HASHUUID Avlnode **av; unsigned short s; if ( !si->si_presentlist ) si->si_presentlist = ch_calloc(65536, sizeof( Avlnode * )); av = (Avlnode **)si->si_presentlist; val = ch_malloc(UUIDLEN-2); memcpy(&s, syncUUID->bv_val, 2); memcpy(val, syncUUID->bv_val+2, UUIDLEN-2); if ( ldap_avl_insert( &av[s], val, syncuuid_cmp, ldap_avl_dup_error ) ) { ch_free( val ); return 0; } #else val = ch_malloc(UUIDLEN); AC_MEMCPY( val, syncUUID->bv_val, UUIDLEN ); if ( ldap_avl_insert( &si->si_presentlist, val, syncuuid_cmp, ldap_avl_dup_error ) ) { ch_free( val ); return 0; } #endif return 1; } static char * presentlist_find( Avlnode *av, struct berval *val ) { #ifdef HASHUUID Avlnode **a2 = (Avlnode **)av; unsigned short s; if (!av) return NULL; memcpy(&s, val->bv_val, 2); return ldap_avl_find( a2[s], val->bv_val+2, syncuuid_cmp ); #else return ldap_avl_find( av, val->bv_val, syncuuid_cmp ); #endif } static int presentlist_free( Avlnode *av ) { #ifdef HASHUUID Avlnode **a2 = (Avlnode **)av; int i, count = 0; if ( av ) { for (i=0; i<65536; i++) { if (a2[i]) count += ldap_avl_free( a2[i], ch_free ); } ch_free( av ); } return count; #else return ldap_avl_free( av, ch_free ); #endif } static void presentlist_delete( Avlnode **av, struct berval *val ) { #ifdef HASHUUID Avlnode **a2 = *(Avlnode ***)av; unsigned short s; memcpy(&s, val->bv_val, 2); ldap_avl_delete( &a2[s], val->bv_val+2, syncuuid_cmp ); #else ldap_avl_delete( av, val->bv_val, syncuuid_cmp ); #endif } static int syncrepl_entry( syncinfo_t* si, Operation *op, Entry* entry, Modifications** modlist, int syncstate, struct berval* syncUUID, struct berval* syncCSN ) { Backend *be = op->o_bd; slap_callback cb = { NULL, NULL, NULL, NULL }; int syncuuid_inserted = 0; SlapReply rs_search = {REP_RESULT}; Filter f = {0}; AttributeAssertion ava = ATTRIBUTEASSERTION_INIT; int rc = LDAP_SUCCESS; struct berval pdn = BER_BVNULL; dninfo dni = {0}; int retry = 1; int freecsn = 1; Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_%s) csn=%s tid %p\n", si->si_ridtxt, syncrepl_state2str( syncstate ), syncCSN ? syncCSN->bv_val : "(none)", (void *)op->o_tid ); if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD ) ) { if ( !si->si_refreshPresent && !si->si_refreshDone ) { syncuuid_inserted = presentlist_insert( si, syncUUID ); } } if ( syncstate == LDAP_SYNC_PRESENT ) { return 0; } else if ( syncstate != LDAP_SYNC_DELETE ) { if ( entry == NULL ) { return 0; } } if ( syncstate != LDAP_SYNC_DELETE ) { Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID ); if ( a == NULL ) { /* add if missing */ attr_merge_one( entry, slap_schema.si_ad_entryUUID, &syncUUID[1], syncUUID ); } else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) { /* replace only if necessary */ if ( a->a_nvals != a->a_vals ) { ber_memfree( a->a_nvals[0].bv_val ); ber_dupbv( &a->a_nvals[0], syncUUID ); } ber_memfree( a->a_vals[0].bv_val ); ber_dupbv( &a->a_vals[0], &syncUUID[1] ); } } f.f_choice = LDAP_FILTER_EQUALITY; f.f_ava = &ava; ava.aa_desc = slap_schema.si_ad_entryUUID; ava.aa_value = *syncUUID; if ( syncuuid_inserted ) { Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s inserted UUID %s\n", si->si_ridtxt, syncUUID[1].bv_val ); } op->ors_filter = &f; op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID[1].bv_len; op->ors_filterstr.bv_val = (char *) slap_sl_malloc( op->ors_filterstr.bv_len + 1, op->o_tmpmemctx ); AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) ); AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )], syncUUID[1].bv_val, syncUUID[1].bv_len ); op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')'; op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0'; op->o_tag = LDAP_REQ_SEARCH; op->ors_scope = LDAP_SCOPE_SUBTREE; op->ors_deref = LDAP_DEREF_NEVER; /* get the entry for this UUID */ if ( si->si_rewrite ) { op->o_req_dn = si->si_suffixm; op->o_req_ndn = si->si_suffixm; } else { op->o_req_dn = si->si_base; op->o_req_ndn = si->si_base; } op->o_time = slap_get_time(); op->ors_tlimit = SLAP_NO_LIMIT; op->ors_slimit = 1; op->ors_limit = NULL; op->ors_attrs = slap_anlist_all_attributes; op->ors_attrsonly = 0; /* set callback function */ op->o_callback = &cb; cb.sc_response = dn_callback; cb.sc_private = &dni; dni.si = si; dni.new_entry = entry; dni.modlist = modlist; dni.syncstate = syncstate; rc = be->be_search( op, &rs_search ); Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s be_search (%d)\n", si->si_ridtxt, rc ); if ( !BER_BVISNULL( &op->ors_filterstr ) ) { slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx ); } cb.sc_response = syncrepl_null_callback; cb.sc_private = si; if ( entry && !BER_BVISNULL( &entry->e_name ) ) { Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s %s\n", si->si_ridtxt, entry->e_name.bv_val ); } else { Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s %s\n", si->si_ridtxt, dni.dn.bv_val ? dni.dn.bv_val : "(null)" ); } assert( BER_BVISNULL( &op->o_csn ) ); if ( syncCSN ) { slap_queue_csn( op, syncCSN ); } #ifdef SLAP_CONTROL_X_LAZY_COMMIT if ( !si->si_refreshDone && si->si_lazyCommit ) op->o_lazyCommit = SLAP_CONTROL_NONCRITICAL; #endif slap_op_time( &op->o_time, &op->o_tincr ); switch ( syncstate ) { case LDAP_SYNC_ADD: case LDAP_SYNC_MODIFY: case DSEE_SYNC_ADD: if ( BER_BVISNULL( &op->o_csn )) { Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN ); if ( a ) { /* FIXME: op->o_csn is assumed to be * on the thread's slab; this needs * to be cleared ASAP. */ op->o_csn = a->a_vals[0]; freecsn = 0; } } retry_add:; if ( !BER_BVISNULL( &op->o_csn ) ) { /* Check we're not covered by current contextCSN */ int i, sid = slap_parse_csn_sid( &op->o_csn ); ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); for ( i=0; i < si->si_cookieState->cs_num && sid <= si->si_cookieState->cs_sids[i]; i++ ) { if ( si->si_cookieState->cs_sids[i] == sid && ber_bvcmp( &op->o_csn, &si->si_cookieState->cs_vals[i] ) <= 0 ) { Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s " "entry '%s' csn=%s not new enough, ignored\n", si->si_ridtxt, entry->e_name.bv_val, op->o_csn.bv_val ); ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); goto done; } } ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); } if ( BER_BVISNULL( &dni.dn ) ) { SlapReply rs_add = {REP_RESULT}; op->o_req_dn = entry->e_name; op->o_req_ndn = entry->e_nname; op->o_tag = LDAP_REQ_ADD; op->ora_e = entry; op->o_bd = si->si_wbe; rc = op->o_bd->be_add( op, &rs_add ); Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s be_add %s (%d)\n", si->si_ridtxt, op->o_req_dn.bv_val, rc ); switch ( rs_add.sr_err ) { case LDAP_SUCCESS: if ( op->ora_e == entry ) { be_entry_release_w( op, entry ); } entry = NULL; break; case LDAP_REFERRAL: /* we assume that LDAP_NO_SUCH_OBJECT is returned * only if the suffix entry is not present. * This should not happen during Persist phase. */ case LDAP_NO_SUCH_OBJECT: if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST && si->si_refreshDone ) { /* Something's wrong, start over */ ber_bvarray_free( si->si_syncCookie.ctxcsn ); si->si_syncCookie.ctxcsn = NULL; entry_free( entry ); ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); ber_bvarray_free( si->si_cookieState->cs_vals ); ch_free( si->si_cookieState->cs_sids ); si->si_cookieState->cs_vals = NULL; si->si_cookieState->cs_sids = 0; si->si_cookieState->cs_num = 0; ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); return LDAP_NO_SUCH_OBJECT; } rc = syncrepl_add_glue( op, entry ); entry = NULL; break; /* if an entry was added via syncrepl_add_glue(), * it likely has no entryUUID, so the previous * be_search() doesn't find it. In this case, * give syncrepl a chance to modify it. Also * allow for entries that were recreated with the * same DN but a different entryUUID. */ case LDAP_ALREADY_EXISTS: if ( retry ) { Operation op2 = *op; SlapReply rs2 = { REP_RESULT }; slap_callback cb2 = { 0 }; op2.o_bd = be; op2.o_tag = LDAP_REQ_SEARCH; op2.o_req_dn = entry->e_name; op2.o_req_ndn = entry->e_nname; op2.ors_scope = LDAP_SCOPE_BASE; op2.ors_deref = LDAP_DEREF_NEVER; op2.ors_attrs = slap_anlist_all_attributes; op2.ors_attrsonly = 0; op2.ors_limit = NULL; op2.ors_slimit = 1; op2.ors_tlimit = SLAP_NO_LIMIT; f.f_choice = LDAP_FILTER_PRESENT; f.f_desc = slap_schema.si_ad_objectClass; op2.ors_filter = &f; op2.ors_filterstr = generic_filterstr; op2.o_callback = &cb2; cb2.sc_response = dn_callback; cb2.sc_private = &dni; rc = be->be_search( &op2, &rs2 ); if ( rc ) goto done; retry = 0; slap_op_time( &op->o_time, &op->o_tincr ); goto retry_add; } /* FALLTHRU */ default: Debug( LDAP_DEBUG_ANY, "syncrepl_entry: %s be_add %s failed (%d)\n", si->si_ridtxt, op->o_req_dn.bv_val, rs_add.sr_err ); break; } syncCSN = NULL; op->o_bd = be; goto done; } /* FALLTHRU */ #ifdef LDAP_CONTROL_X_DIRSYNC case MSAD_DIRSYNC_MODIFY: #endif op->o_req_dn = dni.dn; op->o_req_ndn = dni.ndn; if ( dni.renamed ) { struct berval noldp, newp; Modifications *mod, **modtail, **ml, *m2 = NULL; int i, got_replace = 0, just_rename = 0; SlapReply rs_modify = {REP_RESULT}; op->o_tag = LDAP_REQ_MODRDN; dnRdn( &entry->e_name, &op->orr_newrdn ); dnRdn( &entry->e_nname, &op->orr_nnewrdn ); if ( !BER_BVISNULL( &dni.nnewSup )) { dnParent( &entry->e_name, &newp ); op->orr_newSup = &newp; op->orr_nnewSup = &dni.nnewSup; } else { op->orr_newSup = NULL; op->orr_nnewSup = NULL; } op->orr_deleteoldrdn = dni.delOldRDN; op->orr_modlist = NULL; #ifdef LDAP_CONTROL_X_DIRSYNC if ( syncstate != MSAD_DIRSYNC_MODIFY ) #endif { if ( ( rc = slap_modrdn2mods( op, &rs_modify ) ) ) { goto done; } } /* Drop the RDN-related mods from this op, because their * equivalents were just setup by slap_modrdn2mods. * * If delOldRDN is TRUE then we should see a delete modop * for oldDesc. We might see a replace instead. * delete with no values: therefore newDesc != oldDesc. * if oldNcount == 1, then Drop this op. * delete with 1 value: can only be the oldRDN value. Drop op. * delete with N values: Drop oldRDN value, keep remainder. * replace with 1 value: if oldNcount == 1 and * newDesc == oldDesc, Drop this op. * Any other cases must be left intact. * * We should also see an add modop for newDesc. (But not if * we got a replace modop due to delOldRDN.) If it has * multiple values, we'll have to drop the new RDN value. */ modtail = &op->orr_modlist; if ( dni.delOldRDN ) { for ( ml = &dni.mods; *ml; ml = &(*ml)->sml_next ) { if ( (*ml)->sml_desc == dni.oldDesc ) { mod = *ml; if ( mod->sml_op == LDAP_MOD_REPLACE && dni.oldDesc != dni.newDesc ) { /* This Replace is due to other Mods. * Just let it ride. */ continue; } if ( mod->sml_numvals <= 1 && dni.oldNcount == 1 && ( mod->sml_op == LDAP_MOD_DELETE || mod->sml_op == LDAP_MOD_REPLACE )) { if ( mod->sml_op == LDAP_MOD_REPLACE ) got_replace = 1; /* Drop this op */ *ml = mod->sml_next; mod->sml_next = NULL; slap_mods_free( mod, 1 ); break; } if ( mod->sml_op != LDAP_MOD_DELETE || mod->sml_numvals == 0 ) continue; for ( m2 = op->orr_modlist; m2; m2=m2->sml_next ) { if ( m2->sml_desc == dni.oldDesc && m2->sml_op == LDAP_MOD_DELETE ) break; } for ( i=0; isml_numvals; i++ ) { if ( bvmatch( &mod->sml_values[i], &m2->sml_values[0] )) { mod->sml_numvals--; ch_free( mod->sml_values[i].bv_val ); mod->sml_values[i] = mod->sml_values[mod->sml_numvals]; BER_BVZERO( &mod->sml_values[mod->sml_numvals] ); if ( mod->sml_nvalues ) { ch_free( mod->sml_nvalues[i].bv_val ); mod->sml_nvalues[i] = mod->sml_nvalues[mod->sml_numvals]; BER_BVZERO( &mod->sml_nvalues[mod->sml_numvals] ); } break; } } if ( !mod->sml_numvals ) { /* Drop this op */ *ml = mod->sml_next; mod->sml_next = NULL; slap_mods_free( mod, 1 ); } break; } } } if ( !got_replace ) { for ( ml = &dni.mods; *ml; ml = &(*ml)->sml_next ) { if ( (*ml)->sml_desc == dni.newDesc ) { mod = *ml; if ( mod->sml_op != LDAP_MOD_ADD ) continue; if ( mod->sml_numvals == 1 ) { /* Drop this op */ *ml = mod->sml_next; mod->sml_next = NULL; slap_mods_free( mod, 1 ); break; } for ( m2 = op->orr_modlist; m2; m2=m2->sml_next ) { if ( m2->sml_desc == dni.oldDesc && m2->sml_op == SLAP_MOD_SOFTADD ) break; } for ( i=0; isml_numvals; i++ ) { if ( bvmatch( &mod->sml_values[i], &m2->sml_values[0] )) { mod->sml_numvals--; ch_free( mod->sml_values[i].bv_val ); mod->sml_values[i] = mod->sml_values[mod->sml_numvals]; BER_BVZERO( &mod->sml_values[mod->sml_numvals] ); if ( mod->sml_nvalues ) { ch_free( mod->sml_nvalues[i].bv_val ); mod->sml_nvalues[i] = mod->sml_nvalues[mod->sml_numvals]; BER_BVZERO( &mod->sml_nvalues[mod->sml_numvals] ); } break; } } break; } } } /* RDNs must be NUL-terminated for back-ldap */ noldp = op->orr_newrdn; ber_dupbv_x( &op->orr_newrdn, &noldp, op->o_tmpmemctx ); noldp = op->orr_nnewrdn; ber_dupbv_x( &op->orr_nnewrdn, &noldp, op->o_tmpmemctx ); /* Setup opattrs too */ { static AttributeDescription *nullattr = NULL; static AttributeDescription **const opattrs[] = { &slap_schema.si_ad_entryCSN, &slap_schema.si_ad_modifiersName, &slap_schema.si_ad_modifyTimestamp, &nullattr }; AttributeDescription *opattr; int i; modtail = &m2; /* pull mod off incoming modlist */ for ( i = 0; (opattr = *opattrs[i]) != NULL; i++ ) { for ( ml = &dni.mods; *ml; ml = &(*ml)->sml_next ) { if ( (*ml)->sml_desc == opattr ) { mod = *ml; *ml = mod->sml_next; mod->sml_next = NULL; *modtail = mod; modtail = &mod->sml_next; break; } } } /* If there are still Modifications left, put the opattrs * back, and let be_modify run. Otherwise, append the opattrs * to the orr_modlist. */ if ( dni.mods ) { mod = dni.mods; /* don't set a CSN for the rename op */ if ( syncCSN ) slap_graduate_commit_csn( op ); } else { mod = op->orr_modlist; just_rename = 1; } for ( ; mod->sml_next; mod=mod->sml_next ); mod->sml_next = m2; } op->o_bd = si->si_wbe; retry_modrdn:; rs_reinit( &rs_modify, REP_RESULT ); rc = op->o_bd->be_modrdn( op, &rs_modify ); /* NOTE: noSuchObject should result because the new superior * has not been added yet (ITS#6472) */ if ( rc == LDAP_NO_SUCH_OBJECT && op->orr_nnewSup != NULL ) { Operation op2 = *op; rc = syncrepl_add_glue_ancestors( &op2, entry ); if ( rc == LDAP_SUCCESS ) { goto retry_modrdn; } } op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx ); op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx ); slap_mods_free( op->orr_modlist, 1 ); Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s be_modrdn %s (%d)\n", si->si_ridtxt, op->o_req_dn.bv_val, rc ); op->o_bd = be; /* Renamed entries may still have other mods so just fallthru */ op->o_req_dn = entry->e_name; op->o_req_ndn = entry->e_nname; /* Use CSN on the modify */ if ( just_rename ) syncCSN = NULL; else if ( syncCSN ) slap_queue_csn( op, syncCSN ); } if ( dni.mods ) { SlapReply rs_modify = {REP_RESULT}; op->o_tag = LDAP_REQ_MODIFY; op->orm_modlist = dni.mods; op->orm_no_opattrs = 1; op->o_bd = si->si_wbe; rc = op->o_bd->be_modify( op, &rs_modify ); slap_mods_free( op->orm_modlist, 1 ); op->orm_no_opattrs = 0; Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s be_modify %s (%d)\n", si->si_ridtxt, op->o_req_dn.bv_val, rc ); if ( rs_modify.sr_err != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_entry: %s be_modify failed (%d)\n", si->si_ridtxt, rs_modify.sr_err ); } syncCSN = NULL; op->o_bd = be; } else if ( !dni.renamed ) { Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s entry unchanged, ignored (%s)\n", si->si_ridtxt, op->o_req_dn.bv_val ); if ( syncCSN ) { slap_graduate_commit_csn( op ); syncCSN = NULL; } } goto done; case LDAP_SYNC_DELETE : if ( !BER_BVISNULL( &dni.dn ) ) { SlapReply rs_delete = {REP_RESULT}; op->o_req_dn = dni.dn; op->o_req_ndn = dni.ndn; op->o_tag = LDAP_REQ_DELETE; op->o_bd = si->si_wbe; if ( !syncCSN && si->si_syncCookie.ctxcsn ) { slap_queue_csn( op, si->si_syncCookie.ctxcsn ); } rc = op->o_bd->be_delete( op, &rs_delete ); Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: %s be_delete %s (%d)\n", si->si_ridtxt, op->o_req_dn.bv_val, rc ); if ( rc == LDAP_NO_SUCH_OBJECT ) rc = LDAP_SUCCESS; while ( rs_delete.sr_err == LDAP_SUCCESS && op->o_delete_glue_parent ) { op->o_delete_glue_parent = 0; if ( !be_issuffix( be, &op->o_req_ndn ) ) { slap_callback cb = { NULL }; cb.sc_response = syncrepl_null_callback; dnParent( &op->o_req_ndn, &pdn ); op->o_req_dn = pdn; op->o_req_ndn = pdn; op->o_callback = &cb; rs_reinit( &rs_delete, REP_RESULT ); op->o_bd->be_delete( op, &rs_delete ); } else { break; } } syncCSN = NULL; op->o_bd = be; } goto done; default : Debug( LDAP_DEBUG_ANY, "syncrepl_entry: %s unknown syncstate\n", si->si_ridtxt ); goto done; } done: slap_sl_free( syncUUID[1].bv_val, op->o_tmpmemctx ); BER_BVZERO( &syncUUID[1] ); if ( !BER_BVISNULL( &dni.ndn ) ) { op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx ); } if ( !BER_BVISNULL( &dni.dn ) ) { op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx ); } if ( entry ) { entry_free( entry ); } if ( syncCSN ) { slap_graduate_commit_csn( op ); } if ( !BER_BVISNULL( &op->o_csn ) && freecsn ) { op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx ); } BER_BVZERO( &op->o_csn ); return rc; } static struct berval gcbva[] = { BER_BVC("top"), BER_BVC("glue"), BER_BVNULL }; #define NP_DELETE_ONE 2 static void syncrepl_del_nonpresent( Operation *op, syncinfo_t *si, BerVarray uuids, struct sync_cookie *sc, int m ) { Backend* be = op->o_bd; slap_callback cb = { NULL }; struct nonpresent_entry *np_list, *np_prev; int rc; AttributeName an[3]; /* entryUUID, entryCSN, NULL */ struct berval pdn = BER_BVNULL; struct berval csn; if ( si->si_rewrite ) { op->o_req_dn = si->si_suffixm; op->o_req_ndn = si->si_suffixm; } else { op->o_req_dn = si->si_base; op->o_req_ndn = si->si_base; } cb.sc_response = nonpresent_callback; cb.sc_private = si; op->o_callback = &cb; op->o_tag = LDAP_REQ_SEARCH; op->ors_scope = si->si_scope; op->ors_deref = LDAP_DEREF_NEVER; op->o_time = slap_get_time(); op->ors_tlimit = SLAP_NO_LIMIT; if ( uuids ) { Filter uf; AttributeAssertion eq = ATTRIBUTEASSERTION_INIT; int i; op->ors_attrsonly = 1; op->ors_attrs = slap_anlist_no_attrs; op->ors_limit = NULL; op->ors_filter = &uf; uf.f_ava = &eq; uf.f_av_desc = slap_schema.si_ad_entryUUID; uf.f_next = NULL; uf.f_choice = LDAP_FILTER_EQUALITY; si->si_refreshDelete |= NP_DELETE_ONE; for (i=0; uuids[i].bv_val; i++) { SlapReply rs_search = {REP_RESULT}; op->ors_slimit = 1; uf.f_av_value = uuids[i]; filter2bv_x( op, op->ors_filter, &op->ors_filterstr ); Debug( LDAP_DEBUG_SYNC, "syncrepl_del_nonpresent: %s " "checking non-present filter=%s\n", si->si_ridtxt, op->ors_filterstr.bv_val ); rc = be->be_search( op, &rs_search ); op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx ); } si->si_refreshDelete ^= NP_DELETE_ONE; } else { Filter *cf, *of; Filter mmf[2]; AttributeAssertion mmaa; SlapReply rs_search = {REP_RESULT}; memset( &an[0], 0, 3 * sizeof( AttributeName ) ); an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname; an[0].an_desc = slap_schema.si_ad_entryUUID; an[1].an_name = slap_schema.si_ad_entryCSN->ad_cname; an[1].an_desc = slap_schema.si_ad_entryCSN; op->ors_attrs = an; op->ors_slimit = SLAP_NO_LIMIT; op->ors_tlimit = SLAP_NO_LIMIT; op->ors_limit = NULL; op->ors_attrsonly = 0; op->ors_filter = filter_dup( si->si_filter, op->o_tmpmemctx ); /* In multi-provider, updates can continue to arrive while * we're searching. Limit the search result to entries * older than our newest cookie CSN. */ if ( SLAP_MULTIPROVIDER( op->o_bd )) { Filter *f; int i; f = mmf; f->f_choice = LDAP_FILTER_AND; f->f_next = op->ors_filter; f->f_and = f+1; of = f->f_and; f = of; f->f_choice = LDAP_FILTER_LE; f->f_ava = &mmaa; f->f_av_desc = slap_schema.si_ad_entryCSN; f->f_next = NULL; BER_BVZERO( &f->f_av_value ); for ( i=0; inumcsns; i++ ) { if ( ber_bvcmp( &sc->ctxcsn[i], &f->f_av_value ) > 0 ) f->f_av_value = sc->ctxcsn[i]; } of = op->ors_filter; op->ors_filter = mmf; filter2bv_x( op, op->ors_filter, &op->ors_filterstr ); } else { cf = NULL; op->ors_filterstr = si->si_filterstr; } op->o_nocaching = 1; rc = be->be_search( op, &rs_search ); if ( SLAP_MULTIPROVIDER( op->o_bd )) { op->ors_filter = of; } if ( op->ors_filter ) filter_free_x( op, op->ors_filter, 1 ); if ( op->ors_filterstr.bv_val != si->si_filterstr.bv_val ) { op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx ); } } op->o_nocaching = 0; if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) { if ( !BER_BVISNULL( &sc->delcsn ) ) { Debug( LDAP_DEBUG_SYNC, "syncrepl_del_nonpresent: %s " "using delcsn=%s\n", si->si_ridtxt, sc->delcsn.bv_val ); csn = sc->delcsn; } else if ( sc->ctxcsn && !BER_BVISNULL( &sc->ctxcsn[m] ) ) { csn = sc->ctxcsn[m]; } else { csn = si->si_syncCookie.ctxcsn[0]; } op->o_bd = si->si_wbe; slap_queue_csn( op, &csn ); np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist ); while ( np_list != NULL ) { SlapReply rs_delete = {REP_RESULT}; LDAP_LIST_REMOVE( np_list, npe_link ); np_prev = np_list; np_list = LDAP_LIST_NEXT( np_list, npe_link ); op->o_tag = LDAP_REQ_DELETE; op->o_callback = &cb; cb.sc_response = syncrepl_null_callback; cb.sc_private = si; op->o_req_dn = *np_prev->npe_name; op->o_req_ndn = *np_prev->npe_nname; rc = op->o_bd->be_delete( op, &rs_delete ); Debug( LDAP_DEBUG_SYNC, "syncrepl_del_nonpresent: %s be_delete %s (%d)\n", si->si_ridtxt, op->o_req_dn.bv_val, rc ); if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) { SlapReply rs_modify = {REP_RESULT}; Modifications mod1, mod2; mod1.sml_op = LDAP_MOD_REPLACE; mod1.sml_flags = 0; mod1.sml_desc = slap_schema.si_ad_objectClass; mod1.sml_type = mod1.sml_desc->ad_cname; mod1.sml_numvals = 2; mod1.sml_values = &gcbva[0]; mod1.sml_nvalues = NULL; mod1.sml_next = &mod2; mod2.sml_op = LDAP_MOD_REPLACE; mod2.sml_flags = 0; mod2.sml_desc = slap_schema.si_ad_structuralObjectClass; mod2.sml_type = mod2.sml_desc->ad_cname; mod2.sml_numvals = 1; mod2.sml_values = &gcbva[1]; mod2.sml_nvalues = NULL; mod2.sml_next = NULL; op->o_tag = LDAP_REQ_MODIFY; op->orm_modlist = &mod1; rc = op->o_bd->be_modify( op, &rs_modify ); if ( mod2.sml_next ) slap_mods_free( mod2.sml_next, 1 ); } while ( rs_delete.sr_err == LDAP_SUCCESS && op->o_delete_glue_parent ) { op->o_delete_glue_parent = 0; if ( !be_issuffix( be, &op->o_req_ndn ) ) { slap_callback cb = { NULL }; cb.sc_response = syncrepl_null_callback; dnParent( &op->o_req_ndn, &pdn ); op->o_req_dn = pdn; op->o_req_ndn = pdn; op->o_callback = &cb; rs_reinit( &rs_delete, REP_RESULT ); /* give it a root privil ? */ op->o_bd->be_delete( op, &rs_delete ); } else { break; } } op->o_delete_glue_parent = 0; ber_bvfree( np_prev->npe_name ); ber_bvfree( np_prev->npe_nname ); ch_free( np_prev ); if ( slapd_shutdown ) { break; } } slap_graduate_commit_csn( op ); op->o_bd = be; op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx ); BER_BVZERO( &op->o_csn ); } return; } static int syncrepl_add_glue_ancestors( Operation* op, Entry *e ) { Backend *be = op->o_bd; slap_callback cb = { NULL }; Attribute *a; int rc = LDAP_SUCCESS; int suffrdns; int i; struct berval dn = BER_BVNULL; struct berval ndn = BER_BVNULL; Entry *glue; struct berval ptr, nptr; char *comma; op->o_tag = LDAP_REQ_ADD; op->o_callback = &cb; cb.sc_response = syncrepl_null_callback; cb.sc_private = NULL; dn = e->e_name; ndn = e->e_nname; /* count RDNs in suffix */ if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) { for ( i = 0, ptr = be->be_nsuffix[0], comma = ptr.bv_val; comma != NULL; comma = ber_bvchr( &ptr, ',' ) ) { comma++; ptr.bv_len -= comma - ptr.bv_val; ptr.bv_val = comma; i++; } suffrdns = i; } else { /* suffix is "" */ suffrdns = 0; } /* Start with BE suffix */ ptr = dn; for ( i = 0; i < suffrdns; i++ ) { comma = ber_bvrchr( &ptr, ',' ); if ( comma != NULL ) { ptr.bv_len = comma - ptr.bv_val; } else { ptr.bv_len = 0; break; } } if ( !BER_BVISEMPTY( &ptr ) ) { dn.bv_len -= ptr.bv_len + ( suffrdns != 0 ); dn.bv_val += ptr.bv_len + ( suffrdns != 0 ); } /* the normalizedDNs are always the same length, no counting * required. */ nptr = ndn; if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) { ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len; ndn.bv_len = be->be_nsuffix[0].bv_len; nptr.bv_len = ndn.bv_val - nptr.bv_val - 1; } else { nptr.bv_len = 0; } while ( ndn.bv_val > e->e_nname.bv_val ) { SlapReply rs_add = {REP_RESULT}; glue = entry_alloc(); ber_dupbv( &glue->e_name, &dn ); ber_dupbv( &glue->e_nname, &ndn ); a = attr_alloc( slap_schema.si_ad_objectClass ); a->a_numvals = 2; a->a_vals = ch_calloc( 3, sizeof( struct berval ) ); ber_dupbv( &a->a_vals[0], &gcbva[0] ); ber_dupbv( &a->a_vals[1], &gcbva[1] ); ber_dupbv( &a->a_vals[2], &gcbva[2] ); a->a_nvals = a->a_vals; a->a_next = glue->e_attrs; glue->e_attrs = a; a = attr_alloc( slap_schema.si_ad_structuralObjectClass ); a->a_numvals = 1; a->a_vals = ch_calloc( 2, sizeof( struct berval ) ); ber_dupbv( &a->a_vals[0], &gcbva[1] ); ber_dupbv( &a->a_vals[1], &gcbva[2] ); a->a_nvals = a->a_vals; a->a_next = glue->e_attrs; glue->e_attrs = a; op->o_req_dn = glue->e_name; op->o_req_ndn = glue->e_nname; op->ora_e = glue; rc = be->be_add ( op, &rs_add ); if ( rs_add.sr_err == LDAP_SUCCESS ) { if ( op->ora_e == glue ) be_entry_release_w( op, glue ); } else { /* incl. ALREADY EXIST */ entry_free( glue ); if ( rs_add.sr_err != LDAP_ALREADY_EXISTS ) { entry_free( e ); return rc; } } /* Move to next child */ comma = ber_bvrchr( &ptr, ',' ); if ( comma == NULL ) { break; } ptr.bv_len = comma - ptr.bv_val; dn.bv_val = ++comma; dn.bv_len = e->e_name.bv_len - (dn.bv_val - e->e_name.bv_val); comma = ber_bvrchr( &nptr, ',' ); assert( comma != NULL ); nptr.bv_len = comma - nptr.bv_val; ndn.bv_val = ++comma; ndn.bv_len = e->e_nname.bv_len - (ndn.bv_val - e->e_nname.bv_val); } return rc; } int syncrepl_add_glue( Operation* op, Entry *e ) { slap_callback cb = { NULL }; int rc; Backend *be = op->o_bd; SlapReply rs_add = {REP_RESULT}; rc = syncrepl_add_glue_ancestors( op, e ); switch ( rc ) { case LDAP_SUCCESS: case LDAP_ALREADY_EXISTS: break; default: return rc; } op->o_tag = LDAP_REQ_ADD; op->o_callback = &cb; cb.sc_response = syncrepl_null_callback; cb.sc_private = NULL; op->o_req_dn = e->e_name; op->o_req_ndn = e->e_nname; op->ora_e = e; rc = be->be_add ( op, &rs_add ); if ( rs_add.sr_err == LDAP_SUCCESS ) { if ( op->ora_e == e ) be_entry_release_w( op, e ); } else { entry_free( e ); } return rc; } static int syncrepl_dsee_update( syncinfo_t *si, Operation *op ) { Backend *be = op->o_bd; Modifications mod; struct berval first = BER_BVNULL; slap_callback cb = { NULL }; SlapReply rs_modify = {REP_RESULT}; char valbuf[sizeof("18446744073709551615")]; struct berval bvals[2]; int rc; if ( si->si_lastchange == si->si_prevchange ) return 0; mod.sml_op = LDAP_MOD_REPLACE; mod.sml_desc = sy_ad_dseeLastChange; mod.sml_type = mod.sml_desc->ad_cname; mod.sml_flags = SLAP_MOD_INTERNAL; mod.sml_nvalues = NULL; mod.sml_values = bvals; mod.sml_numvals = 1; mod.sml_next = NULL; bvals[0].bv_val = valbuf; bvals[0].bv_len = sprintf( valbuf, "%lu", si->si_lastchange ); BER_BVZERO( &bvals[1] ); op->o_bd = si->si_wbe; op->o_tag = LDAP_REQ_MODIFY; cb.sc_response = syncrepl_null_callback; cb.sc_private = si; op->o_callback = &cb; op->o_req_dn = si->si_contextdn; op->o_req_ndn = si->si_contextdn; /* update contextCSN */ op->o_dont_replicate = 1; /* avoid timestamp collisions */ slap_op_time( &op->o_time, &op->o_tincr ); op->orm_modlist = &mod; op->orm_no_opattrs = 1; rc = op->o_bd->be_modify( op, &rs_modify ); op->o_bd = be; si->si_prevchange = si->si_lastchange; return rc; } static int syncrepl_updateCookie( syncinfo_t *si, Operation *op, struct sync_cookie *syncCookie, int save ) { Backend *be = op->o_bd; Modifications mod; struct berval first = BER_BVNULL; struct sync_cookie sc; #ifdef CHECK_CSN Syntax *syn = slap_schema.si_ad_contextCSN->ad_type->sat_syntax; #endif int rc, i, j, changed = 0; ber_len_t len; slap_callback cb = { NULL }; SlapReply rs_modify = {REP_RESULT}; mod.sml_op = LDAP_MOD_REPLACE; mod.sml_desc = slap_schema.si_ad_contextCSN; mod.sml_type = mod.sml_desc->ad_cname; mod.sml_flags = SLAP_MOD_INTERNAL; mod.sml_nvalues = NULL; mod.sml_next = NULL; ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); while ( si->si_cookieState->cs_updating ) ldap_pvt_thread_cond_wait( &si->si_cookieState->cs_cond, &si->si_cookieState->cs_mutex ); #ifdef CHECK_CSN for ( i=0; inumcsns; i++ ) { assert( !syn->ssyn_validate( syn, syncCookie->ctxcsn+i )); } for ( i=0; isi_cookieState->cs_num; i++ ) { assert( !syn->ssyn_validate( syn, si->si_cookieState->cs_vals+i )); } #endif /* clone the cookieState CSNs so we can Replace the whole thing */ sc.numcsns = si->si_cookieState->cs_num; if ( sc.numcsns ) { ber_bvarray_dup_x( &sc.ctxcsn, si->si_cookieState->cs_vals, NULL ); sc.sids = ch_malloc( sc.numcsns * sizeof(int)); for ( i=0; isi_cookieState->cs_sids[i]; } else { sc.ctxcsn = NULL; sc.sids = NULL; } /* find any CSNs in the syncCookie that are newer than the cookieState */ for ( i=0; inumcsns; i++ ) { for ( j=0; jsids[i] < sc.sids[j] ) break; if ( syncCookie->sids[i] != sc.sids[j] ) continue; len = syncCookie->ctxcsn[i].bv_len; if ( len > sc.ctxcsn[j].bv_len ) len = sc.ctxcsn[j].bv_len; if ( memcmp( syncCookie->ctxcsn[i].bv_val, sc.ctxcsn[j].bv_val, len ) > 0 ) { ber_bvreplace( &sc.ctxcsn[j], &syncCookie->ctxcsn[i] ); changed = 1; if ( BER_BVISNULL( &first ) || memcmp( syncCookie->ctxcsn[i].bv_val, first.bv_val, first.bv_len ) > 0 ) { first = syncCookie->ctxcsn[i]; } } break; } /* there was no match for this SID, it's a new CSN */ if ( j == sc.numcsns || syncCookie->sids[i] != sc.sids[j] ) { slap_insert_csn_sids( &sc, j, syncCookie->sids[i], &syncCookie->ctxcsn[i] ); if ( BER_BVISNULL( &first ) || memcmp( syncCookie->ctxcsn[i].bv_val, first.bv_val, first.bv_len ) > 0 ) { first = syncCookie->ctxcsn[i]; } changed = 1; } } /* Should never happen, ITS#5065 */ if ( BER_BVISNULL( &first ) || !changed ) { ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); ber_bvarray_free( sc.ctxcsn ); ch_free( sc.sids ); return 0; } si->si_cookieState->cs_updating = 1; ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); op->o_bd = si->si_wbe; slap_queue_csn( op, &first ); op->o_tag = LDAP_REQ_MODIFY; cb.sc_response = syncrepl_null_callback; cb.sc_private = si; op->o_callback = &cb; op->o_req_dn = si->si_contextdn; op->o_req_ndn = si->si_contextdn; /* update contextCSN */ op->o_dont_replicate = !save; /* avoid timestamp collisions */ if ( save ) slap_op_time( &op->o_time, &op->o_tincr ); mod.sml_numvals = sc.numcsns; mod.sml_values = sc.ctxcsn; op->orm_modlist = &mod; op->orm_no_opattrs = 1; rc = op->o_bd->be_modify( op, &rs_modify ); if ( rs_modify.sr_err == LDAP_NO_SUCH_OBJECT && SLAP_SYNC_SUBENTRY( op->o_bd )) { const char *text; char txtbuf[SLAP_TEXT_BUFLEN]; size_t textlen = sizeof txtbuf; Entry *e = slap_create_context_csn_entry( op->o_bd, NULL ); rs_reinit( &rs_modify, REP_RESULT ); rc = slap_mods2entry( &mod, &e, 0, 1, &text, txtbuf, textlen); slap_queue_csn( op, &first ); op->o_tag = LDAP_REQ_ADD; op->ora_e = e; rc = op->o_bd->be_add( op, &rs_modify ); if ( e == op->ora_e ) be_entry_release_w( op, op->ora_e ); } op->orm_no_opattrs = 0; op->o_dont_replicate = 0; ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); if ( rs_modify.sr_err == LDAP_SUCCESS ) { slap_sync_cookie_free( &si->si_syncCookie, 0 ); ber_bvarray_free( si->si_cookieState->cs_vals ); ch_free( si->si_cookieState->cs_sids ); si->si_cookieState->cs_vals = sc.ctxcsn; si->si_cookieState->cs_sids = sc.sids; si->si_cookieState->cs_num = sc.numcsns; /* Don't just dup the provider's cookie, recreate it */ si->si_syncCookie.numcsns = si->si_cookieState->cs_num; ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn, si->si_cookieState->cs_vals, NULL ); si->si_syncCookie.sids = ch_malloc( si->si_cookieState->cs_num * sizeof(int) ); for ( i=0; isi_cookieState->cs_num; i++ ) si->si_syncCookie.sids[i] = si->si_cookieState->cs_sids[i]; si->si_cookieState->cs_age++; si->si_cookieAge = si->si_cookieState->cs_age; } else { Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: %s be_modify failed (%d)\n", si->si_ridtxt, rs_modify.sr_err ); ch_free( sc.sids ); ber_bvarray_free( sc.ctxcsn ); } #ifdef CHECK_CSN for ( i=0; isi_cookieState->cs_num; i++ ) { assert( !syn->ssyn_validate( syn, si->si_cookieState->cs_vals+i )); } #endif si->si_cookieState->cs_updating = 0; ldap_pvt_thread_cond_broadcast( &si->si_cookieState->cs_cond ); ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); op->o_bd = be; op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx ); BER_BVZERO( &op->o_csn ); if ( mod.sml_next ) slap_mods_free( mod.sml_next, 1 ); return rc; } /* Compare the attribute from the old entry to the one in the new * entry. The Modifications from the new entry will either be left * in place, or changed to an Add or Delete as needed. */ static void attr_cmp( Operation *op, Attribute *old, Attribute *new, Modifications ***mret, Modifications ***mcur ) { int i, j; Modifications *mod, **modtail; modtail = *mret; if ( old ) { int n, o, nn, no; struct berval **adds, **dels; /* count old and new */ for ( o=0; old->a_vals[o].bv_val; o++ ) ; for ( n=0; new->a_vals[n].bv_val; n++ ) ; /* there MUST be both old and new values */ assert( o != 0 ); assert( n != 0 ); j = 0; adds = op->o_tmpalloc( sizeof(struct berval *) * n, op->o_tmpmemctx ); dels = op->o_tmpalloc( sizeof(struct berval *) * o, op->o_tmpmemctx ); for ( i=0; ia_vals[i]; for ( i=0; ia_vals[i]; nn = n; no = o; for ( i=0; i 0 && no < o ) ) && ( old->a_desc == slap_schema.si_ad_objectClass || !old->a_desc->ad_type->sat_equality ) ) { no = o; } i = j; /* all old values were deleted, just use the replace op */ if ( no == o ) { i = j-1; } else if ( no ) { /* delete some values */ mod = ch_malloc( sizeof( Modifications ) ); mod->sml_op = LDAP_MOD_DELETE; mod->sml_flags = 0; mod->sml_desc = old->a_desc; mod->sml_type = mod->sml_desc->ad_cname; mod->sml_numvals = no; mod->sml_values = ch_malloc( ( no + 1 ) * sizeof(struct berval) ); if ( old->a_vals != old->a_nvals ) { mod->sml_nvalues = ch_malloc( ( no + 1 ) * sizeof(struct berval) ); } else { mod->sml_nvalues = NULL; } j = 0; for ( i = 0; i < o; i++ ) { if ( !dels[i] ) continue; ber_dupbv( &mod->sml_values[j], &old->a_vals[i] ); if ( mod->sml_nvalues ) { ber_dupbv( &mod->sml_nvalues[j], &old->a_nvals[i] ); } j++; } BER_BVZERO( &mod->sml_values[j] ); if ( mod->sml_nvalues ) { BER_BVZERO( &mod->sml_nvalues[j] ); } *modtail = mod; modtail = &mod->sml_next; i = j; } op->o_tmpfree( dels, op->o_tmpmemctx ); /* some values were added */ if ( nn && no < o ) { mod = ch_malloc( sizeof( Modifications ) ); if ( is_at_single_value( old->a_desc->ad_type )) mod->sml_op = LDAP_MOD_REPLACE; else mod->sml_op = LDAP_MOD_ADD; mod->sml_flags = 0; mod->sml_desc = old->a_desc; mod->sml_type = mod->sml_desc->ad_cname; mod->sml_numvals = nn; mod->sml_values = ch_malloc( ( nn + 1 ) * sizeof(struct berval) ); if ( old->a_vals != old->a_nvals ) { mod->sml_nvalues = ch_malloc( ( nn + 1 ) * sizeof(struct berval) ); } else { mod->sml_nvalues = NULL; } j = 0; for ( i = 0; i < n; i++ ) { if ( !adds[i] ) continue; ber_dupbv( &mod->sml_values[j], &new->a_vals[i] ); if ( mod->sml_nvalues ) { ber_dupbv( &mod->sml_nvalues[j], &new->a_nvals[i] ); } j++; } BER_BVZERO( &mod->sml_values[j] ); if ( mod->sml_nvalues ) { BER_BVZERO( &mod->sml_nvalues[j] ); } *modtail = mod; modtail = &mod->sml_next; i = j; } op->o_tmpfree( adds, op->o_tmpmemctx ); } else { /* new attr, just use the new mod */ i = 0; j = 1; } /* advance to next element */ mod = **mcur; if ( mod ) { if ( i != j ) { **mcur = mod->sml_next; *modtail = mod; modtail = &mod->sml_next; } else { *mcur = &mod->sml_next; } } *mret = modtail; } /* Generate a set of modifications to change the old entry into the * new one. On input ml is a list of modifications equivalent to * the new entry. It will be massaged and the result will be stored * in mods. */ void syncrepl_diff_entry( Operation *op, Attribute *old, Attribute *new, Modifications **mods, Modifications **ml, int is_ctx) { Modifications **modtail = mods; /* We assume that attributes are saved in the same order * in the remote and local databases. So if we walk through * the attributeDescriptions one by one they should match in * lock step. If not, look for an add or delete. */ while ( old && new ) { /* If we've seen this before, use its mod now */ if ( new->a_flags & SLAP_ATTR_IXADD ) { attr_cmp( op, NULL, new, &modtail, &ml ); new = new->a_next; continue; } /* Skip contextCSN */ if ( is_ctx && old->a_desc == slap_schema.si_ad_contextCSN ) { old = old->a_next; continue; } if ( old->a_desc != new->a_desc ) { Modifications *mod; Attribute *tmp; /* If it's just been re-added later, * remember that we've seen it. */ tmp = attr_find( new, old->a_desc ); if ( tmp ) { tmp->a_flags |= SLAP_ATTR_IXADD; } else { /* If it's a new attribute, pull it in. */ tmp = attr_find( old, new->a_desc ); if ( !tmp ) { attr_cmp( op, NULL, new, &modtail, &ml ); new = new->a_next; continue; } /* Delete old attr */ mod = ch_malloc( sizeof( Modifications ) ); mod->sml_op = LDAP_MOD_DELETE; mod->sml_flags = 0; mod->sml_desc = old->a_desc; mod->sml_type = mod->sml_desc->ad_cname; mod->sml_numvals = 0; mod->sml_values = NULL; mod->sml_nvalues = NULL; *modtail = mod; modtail = &mod->sml_next; } old = old->a_next; continue; } /* kludge - always update modifiersName so that it * stays co-located with the other mod opattrs. But only * if we know there are other valid mods. */ if ( *mods && ( old->a_desc == slap_schema.si_ad_modifiersName || old->a_desc == slap_schema.si_ad_modifyTimestamp )) attr_cmp( op, NULL, new, &modtail, &ml ); else attr_cmp( op, old, new, &modtail, &ml ); new = new->a_next; old = old->a_next; } /* These are all missing from provider */ while ( old ) { Modifications *mod = ch_malloc( sizeof( Modifications ) ); mod->sml_op = LDAP_MOD_DELETE; mod->sml_flags = 0; mod->sml_desc = old->a_desc; mod->sml_type = mod->sml_desc->ad_cname; mod->sml_numvals = 0; mod->sml_values = NULL; mod->sml_nvalues = NULL; *modtail = mod; modtail = &mod->sml_next; old = old->a_next; } /* Newly added attributes */ while ( new ) { attr_cmp( op, NULL, new, &modtail, &ml ); new = new->a_next; } *modtail = *ml; *ml = NULL; } /* shallow copy attrs, excluding non-replicated attrs */ static Attribute * attrs_exdup( Operation *op, dninfo *dni, Attribute *attrs ) { int i; Attribute *tmp, *anew; if ( attrs == NULL ) return NULL; /* count attrs */ for ( tmp = attrs,i=0; tmp; tmp=tmp->a_next ) i++; anew = op->o_tmpalloc( i * sizeof(Attribute), op->o_tmpmemctx ); for ( tmp = anew; attrs; attrs=attrs->a_next ) { int flag = is_at_operational( attrs->a_desc->ad_type ) ? dni->si->si_allopattrs : dni->si->si_allattrs; if ( !flag && !ad_inlist( attrs->a_desc, dni->si->si_anlist )) continue; if ( dni->si->si_exattrs && ad_inlist( attrs->a_desc, dni->si->si_exanlist )) continue; *tmp = *attrs; tmp->a_next = tmp+1; tmp++; } if ( tmp == anew ) { /* excluded everything */ op->o_tmpfree( anew, op->o_tmpmemctx ); return NULL; } tmp[-1].a_next = NULL; return anew; } static int dn_callback( Operation* op, SlapReply* rs ) { dninfo *dni = op->o_callback->sc_private; if ( rs->sr_type == REP_SEARCH ) { if ( !BER_BVISNULL( &dni->dn ) ) { Debug( LDAP_DEBUG_ANY, "dn_callback : consistency error - " "entryUUID is not unique\n" ); } else { ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx ); ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx ); /* If there is a new entry, see if it differs from the old. * We compare the non-normalized values so that cosmetic changes * in the provider are always propagated. */ if ( dni->new_entry ) { Attribute *old, *new; struct berval old_rdn, new_rdn; struct berval old_p, new_p; int is_ctx, new_sup = 0; #ifdef LDAP_CONTROL_X_DIRSYNC if ( dni->syncstate != MSAD_DIRSYNC_MODIFY ) #endif { /* If old entry is not a glue entry, make sure new entry * is actually newer than old entry */ if ( !is_entry_glue( rs->sr_entry )) { old = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryCSN ); new = attr_find( dni->new_entry->e_attrs, slap_schema.si_ad_entryCSN ); if ( new && old ) { int rc; ber_len_t len = old->a_vals[0].bv_len; if ( len > new->a_vals[0].bv_len ) len = new->a_vals[0].bv_len; rc = memcmp( old->a_vals[0].bv_val, new->a_vals[0].bv_val, len ); if ( rc > 0 ) { Debug( LDAP_DEBUG_SYNC, "dn_callback : new entry is older than ours " "%s ours %s, new %s\n", rs->sr_entry->e_name.bv_val, old->a_vals[0].bv_val, new->a_vals[0].bv_val ); return LDAP_SUCCESS; } else if ( rc == 0 ) { Debug( LDAP_DEBUG_SYNC, "dn_callback : entries have identical CSN " "%s %s\n", rs->sr_entry->e_name.bv_val, old->a_vals[0].bv_val ); return LDAP_SUCCESS; } } } is_ctx = dn_match( &rs->sr_entry->e_nname, &op->o_bd->be_nsuffix[0] ); } /* Did the DN change? * case changes in the parent are ignored, * we only want to know if the RDN was * actually changed. */ dnRdn( &rs->sr_entry->e_name, &old_rdn ); dnRdn( &dni->new_entry->e_name, &new_rdn ); dnParent( &rs->sr_entry->e_nname, &old_p ); dnParent( &dni->new_entry->e_nname, &new_p ); new_sup = !dn_match( &old_p, &new_p ); if ( !dn_match( &old_rdn, &new_rdn ) || new_sup ) { struct berval oldRDN, oldVal; AttributeDescription *ad = NULL; int oldpos, newpos; Attribute *a; dni->renamed = 1; if ( new_sup ) dni->nnewSup = new_p; /* See if the oldRDN was deleted */ dnRdn( &rs->sr_entry->e_nname, &oldRDN ); oldVal.bv_val = strchr(oldRDN.bv_val, '=') + 1; oldVal.bv_len = oldRDN.bv_len - ( oldVal.bv_val - oldRDN.bv_val ); oldRDN.bv_len -= oldVal.bv_len + 1; slap_bv2ad( &oldRDN, &ad, &rs->sr_text ); dni->oldDesc = ad; for ( oldpos=0, a=rs->sr_entry->e_attrs; a && a->a_desc != ad; oldpos++, a=a->a_next ); /* a should not be NULL but apparently it happens. * ITS#7144 */ if ( a ) { dni->oldNcount = a->a_numvals; for ( newpos=0, a=dni->new_entry->e_attrs; a && a->a_desc != ad; newpos++, a=a->a_next ); if ( !a || oldpos != newpos || attr_valfind( a, SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH | SLAP_MR_VALUE_OF_SYNTAX, &oldVal, NULL, op->o_tmpmemctx ) != LDAP_SUCCESS ) { dni->delOldRDN = 1; } } /* Get the newRDN's desc */ dnRdn( &dni->new_entry->e_nname, &oldRDN ); oldVal.bv_val = strchr(oldRDN.bv_val, '='); oldRDN.bv_len = oldVal.bv_val - oldRDN.bv_val; ad = NULL; slap_bv2ad( &oldRDN, &ad, &rs->sr_text ); dni->newDesc = ad; /* A ModDN has happened, but in Refresh mode other * changes may have occurred before we picked it up. * So fallthru to regular Modify processing. */ } #ifdef LDAP_CONTROL_X_DIRSYNC if ( dni->syncstate == MSAD_DIRSYNC_MODIFY ) { /* DirSync actually sends a diff already, mostly. * It has no way to indicate deletion of single-valued attrs. * FIXME: should do an auxiliary search to get the true * entry contents. */ dni->mods = *dni->modlist; *dni->modlist = NULL; } else #endif { Attribute *old = attrs_exdup( op, dni, rs->sr_entry->e_attrs ); syncrepl_diff_entry( op, old, dni->new_entry->e_attrs, &dni->mods, dni->modlist, is_ctx ); op->o_tmpfree( old, op->o_tmpmemctx ); } } } } else if ( rs->sr_type == REP_RESULT ) { if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) { Debug( LDAP_DEBUG_ANY, "dn_callback : consistency error - " "entryUUID is not unique\n" ); } } return LDAP_SUCCESS; } static int nonpresent_callback( Operation* op, SlapReply* rs ) { syncinfo_t *si = op->o_callback->sc_private; Attribute *a; int count = 0; char *present_uuid = NULL; struct nonpresent_entry *np_entry; struct sync_cookie *syncCookie = op->o_controls[slap_cids.sc_LDAPsync]; if ( rs->sr_type == REP_RESULT ) { count = presentlist_free( si->si_presentlist ); si->si_presentlist = NULL; Debug( LDAP_DEBUG_SYNC, "nonpresent_callback: %s " "had %d items left in the list\n", si->si_ridtxt, count ); } else if ( rs->sr_type == REP_SEARCH ) { if ( !( si->si_refreshDelete & NP_DELETE_ONE ) ) { a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID ); if ( a ) { present_uuid = presentlist_find( si->si_presentlist, &a->a_nvals[0] ); } Debug(LDAP_DEBUG_SYNC, "nonpresent_callback: " "%s %spresent UUID %s, dn %s\n", si->si_ridtxt, present_uuid ? "" : "non", a ? a->a_vals[0].bv_val : "", rs->sr_entry->e_name.bv_val ); if ( a == NULL ) return 0; } if ( present_uuid == NULL ) { int covered = 1; /* covered by our new contextCSN? */ if ( !syncCookie ) syncCookie = &si->si_syncCookie; /* TODO: This can go once we can build a filter that takes care of * the check for us */ a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryCSN ); if ( a ) { int i, sid = slap_parse_csn_sid( &a->a_nvals[0] ); if ( sid != -1 ) { covered = 0; for ( i=0; i < syncCookie->numcsns && syncCookie->sids[i] <= sid; i++ ) { if ( syncCookie->sids[i] == sid && ber_bvcmp( &a->a_nvals[0], &syncCookie->ctxcsn[i] ) <= 0 ) { covered = 1; break; } } } } if ( covered ) { np_entry = (struct nonpresent_entry *) ch_calloc( 1, sizeof( struct nonpresent_entry ) ); np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name ); np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname ); LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link ); Debug( LDAP_DEBUG_SYNC, "nonpresent_callback: %s " "adding entry %s to non-present list\n", si->si_ridtxt, np_entry->npe_name->bv_val ); } } else { presentlist_delete( &si->si_presentlist, &a->a_nvals[0] ); ch_free( present_uuid ); } } return LDAP_SUCCESS; } static struct berval * slap_uuidstr_from_normalized( struct berval* uuidstr, struct berval* normalized, void *ctx ) { #if 0 struct berval *new; unsigned char nibble; int i, d = 0; if ( normalized == NULL ) return NULL; if ( normalized->bv_len != 16 ) return NULL; if ( uuidstr ) { new = uuidstr; } else { new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx ); if ( new == NULL ) { return NULL; } } new->bv_len = 36; if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) { if ( new != uuidstr ) { slap_sl_free( new, ctx ); } return NULL; } for ( i = 0; i < 16; i++ ) { if ( i == 4 || i == 6 || i == 8 || i == 10 ) { new->bv_val[(i<<1)+d] = '-'; d += 1; } nibble = (normalized->bv_val[i] >> 4) & 0xF; if ( nibble < 10 ) { new->bv_val[(i<<1)+d] = nibble + '0'; } else { new->bv_val[(i<<1)+d] = nibble - 10 + 'a'; } nibble = (normalized->bv_val[i]) & 0xF; if ( nibble < 10 ) { new->bv_val[(i<<1)+d+1] = nibble + '0'; } else { new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a'; } } new->bv_val[new->bv_len] = '\0'; return new; #endif struct berval *new; int rc = 0; if ( normalized == NULL ) return NULL; if ( normalized->bv_len != 16 ) return NULL; if ( uuidstr ) { new = uuidstr; } else { new = (struct berval *)slap_sl_malloc( sizeof(struct berval), ctx ); if ( new == NULL ) { return NULL; } } new->bv_len = 36; if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) { rc = 1; goto done; } rc = lutil_uuidstr_from_normalized( normalized->bv_val, normalized->bv_len, new->bv_val, new->bv_len + 1 ); done:; if ( rc == -1 ) { if ( new != NULL ) { if ( new->bv_val != NULL ) { slap_sl_free( new->bv_val, ctx ); } if ( new != uuidstr ) { slap_sl_free( new, ctx ); } } new = NULL; } else { new->bv_len = rc; } return new; } static int syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 ) { #ifdef HASHUUID return ( memcmp( v_uuid1, v_uuid2, UUIDLEN-2 )); #else return ( memcmp( v_uuid1, v_uuid2, UUIDLEN )); #endif } void syncinfo_free( syncinfo_t *sie, int free_all ) { syncinfo_t *si_next; Debug( LDAP_DEBUG_TRACE, "syncinfo_free: %s\n", sie->si_ridtxt ); do { si_next = sie->si_next; if ( !BER_BVISEMPTY( &sie->si_monitor_ndn )) { syncrepl_monitor_del( sie ); } if ( sie->si_ld ) { if ( sie->si_conn ) { connection_client_stop( sie->si_conn ); sie->si_conn = NULL; } ldap_unbind_ext( sie->si_ld, NULL, NULL ); } if ( sie->si_re ) { struct re_s *re = sie->si_re; sie->si_re = NULL; ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ) ) ldap_pvt_runqueue_stoptask( &slapd_rq, re ); ldap_pvt_runqueue_remove( &slapd_rq, re ); ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); } ldap_pvt_thread_mutex_destroy( &sie->si_mutex ); ldap_pvt_thread_mutex_destroy( &sie->si_monitor_mutex ); bindconf_free( &sie->si_bindconf ); if ( sie->si_filterstr.bv_val ) { ch_free( sie->si_filterstr.bv_val ); } if ( sie->si_filter ) { filter_free( sie->si_filter ); } if ( sie->si_logfilterstr.bv_val ) { ch_free( sie->si_logfilterstr.bv_val ); } if ( sie->si_logfilter ) { filter_free( sie->si_logfilter ); } if ( sie->si_base.bv_val ) { ch_free( sie->si_base.bv_val ); } if ( sie->si_logbase.bv_val ) { ch_free( sie->si_logbase.bv_val ); } if ( sie->si_be && SLAP_SYNC_SUBENTRY( sie->si_be )) { ch_free( sie->si_contextdn.bv_val ); } if ( sie->si_attrs ) { int i = 0; while ( sie->si_attrs[i] != NULL ) { ch_free( sie->si_attrs[i] ); i++; } ch_free( sie->si_attrs ); } if ( sie->si_exattrs ) { int i = 0; while ( sie->si_exattrs[i] != NULL ) { ch_free( sie->si_exattrs[i] ); i++; } ch_free( sie->si_exattrs ); } if ( sie->si_anlist ) { int i = 0; while ( sie->si_anlist[i].an_name.bv_val != NULL ) { ch_free( sie->si_anlist[i].an_name.bv_val ); i++; } ch_free( sie->si_anlist ); } if ( sie->si_exanlist ) { int i = 0; while ( sie->si_exanlist[i].an_name.bv_val != NULL ) { ch_free( sie->si_exanlist[i].an_name.bv_val ); i++; } ch_free( sie->si_exanlist ); } if ( sie->si_retryinterval ) { ch_free( sie->si_retryinterval ); } if ( sie->si_retrynum ) { ch_free( sie->si_retrynum ); } if ( sie->si_retrynum_init ) { ch_free( sie->si_retrynum_init ); } slap_sync_cookie_free( &sie->si_syncCookie, 0 ); #ifdef LDAP_CONTROL_X_DIRSYNC if ( sie->si_dirSyncCookie.bv_val ) { ch_free( sie->si_dirSyncCookie.bv_val ); } #endif if ( sie->si_presentlist ) { presentlist_free( sie->si_presentlist ); } while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist ) ) { struct nonpresent_entry* npe; npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist ); LDAP_LIST_REMOVE( npe, npe_link ); if ( npe->npe_name ) { if ( npe->npe_name->bv_val ) { ch_free( npe->npe_name->bv_val ); } ch_free( npe->npe_name ); } if ( npe->npe_nname ) { if ( npe->npe_nname->bv_val ) { ch_free( npe->npe_nname->bv_val ); } ch_free( npe->npe_nname ); } ch_free( npe ); } if ( sie->si_cookieState ) { /* Could be called from do_syncrepl (server unpaused) */ refresh_finished( sie ); sie->si_cookieState->cs_ref--; if ( !sie->si_cookieState->cs_ref ) { ch_free( sie->si_cookieState->cs_sids ); ber_bvarray_free( sie->si_cookieState->cs_vals ); ldap_pvt_thread_cond_destroy( &sie->si_cookieState->cs_cond ); ldap_pvt_thread_mutex_destroy( &sie->si_cookieState->cs_mutex ); ch_free( sie->si_cookieState->cs_psids ); ber_bvarray_free( sie->si_cookieState->cs_pvals ); ldap_pvt_thread_mutex_destroy( &sie->si_cookieState->cs_pmutex ); ldap_pvt_thread_mutex_destroy( &sie->si_cookieState->cs_refresh_mutex ); assert( sie->si_cookieState->cs_refreshing == NULL ); ch_free( sie->si_cookieState ); } } if ( sie->si_rewrite ) rewrite_info_delete( &sie->si_rewrite ); if ( sie->si_suffixm.bv_val ) ch_free( sie->si_suffixm.bv_val ); ch_free( sie ); sie = si_next; } while ( free_all && si_next ); } static int config_suffixm( ConfigArgs *c, syncinfo_t *si ) { char *argvEngine[] = { "rewriteEngine", "on", NULL }; char *argvContext[] = { "rewriteContext", SUFFIXM_CTX, NULL }; char *argvRule[] = { "rewriteRule", NULL, NULL, ":", NULL }; char *vnc, *rnc; int rc; if ( si->si_rewrite ) rewrite_info_delete( &si->si_rewrite ); si->si_rewrite = rewrite_info_init( REWRITE_MODE_USE_DEFAULT ); rc = rewrite_parse( si->si_rewrite, c->fname, c->lineno, 2, argvEngine ); if ( rc != LDAP_SUCCESS ) return rc; rc = rewrite_parse( si->si_rewrite, c->fname, c->lineno, 2, argvContext ); if ( rc != LDAP_SUCCESS ) return rc; vnc = ch_malloc( si->si_base.bv_len + 6 ); strcpy( vnc, "(.*)" ); lutil_strcopy( lutil_strcopy( vnc+4, si->si_base.bv_val ), "$" ); argvRule[1] = vnc; rnc = ch_malloc( si->si_suffixm.bv_len + 3 ); strcpy( rnc, "%1" ); strcpy( rnc+2, si->si_suffixm.bv_val ); argvRule[2] = rnc; rc = rewrite_parse( si->si_rewrite, c->fname, c->lineno, 4, argvRule ); ch_free( vnc ); ch_free( rnc ); return rc; } /* NOTE: used & documented in slapd.conf(5) */ #define IDSTR "rid" #define PROVIDERSTR "provider" #define SCHEMASTR "schemachecking" #define FILTERSTR "filter" #define SEARCHBASESTR "searchbase" #define SCOPESTR "scope" #define ATTRSONLYSTR "attrsonly" #define ATTRSSTR "attrs" #define TYPESTR "type" #define INTERVALSTR "interval" #define RETRYSTR "retry" #define SLIMITSTR "sizelimit" #define TLIMITSTR "timelimit" #define SYNCDATASTR "syncdata" #define LOGBASESTR "logbase" #define LOGFILTERSTR "logfilter" #define SUFFIXMSTR "suffixmassage" #define STRICT_REFRESH "strictrefresh" #define LAZY_COMMIT "lazycommit" /* FIXME: undocumented */ #define EXATTRSSTR "exattrs" #define MANAGEDSAITSTR "manageDSAit" /* mandatory */ enum { GOT_RID = 0x00000001U, GOT_PROVIDER = 0x00000002U, GOT_SCHEMACHECKING = 0x00000004U, GOT_FILTER = 0x00000008U, GOT_SEARCHBASE = 0x00000010U, GOT_SCOPE = 0x00000020U, GOT_ATTRSONLY = 0x00000040U, GOT_ATTRS = 0x00000080U, GOT_TYPE = 0x00000100U, GOT_INTERVAL = 0x00000200U, GOT_RETRY = 0x00000400U, GOT_SLIMIT = 0x00000800U, GOT_TLIMIT = 0x00001000U, GOT_SYNCDATA = 0x00002000U, GOT_LOGBASE = 0x00004000U, GOT_LOGFILTER = 0x00008000U, GOT_EXATTRS = 0x00010000U, GOT_MANAGEDSAIT = 0x00020000U, GOT_BINDCONF = 0x00040000U, GOT_SUFFIXM = 0x00080000U, /* check */ GOT_REQUIRED = (GOT_RID|GOT_PROVIDER|GOT_SEARCHBASE) }; static slap_verbmasks datamodes[] = { { BER_BVC("default"), SYNCDATA_DEFAULT }, { BER_BVC("accesslog"), SYNCDATA_ACCESSLOG }, { BER_BVC("changelog"), SYNCDATA_CHANGELOG }, { BER_BVNULL, 0 } }; static int parse_syncrepl_retry( ConfigArgs *c, char *arg, syncinfo_t *si ) { char **retry_list; int j, k, n; int use_default = 0; char *val = arg + STRLENOF( RETRYSTR "=" ); if ( strcasecmp( val, "undefined" ) == 0 ) { val = "3600 +"; use_default = 1; } retry_list = (char **) ch_calloc( 1, sizeof( char * ) ); retry_list[0] = NULL; slap_str2clist( &retry_list, val, " ,\t" ); for ( k = 0; retry_list && retry_list[k]; k++ ) ; n = k / 2; if ( k % 2 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: incomplete syncrepl retry list" ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); for ( k = 0; retry_list && retry_list[k]; k++ ) { ch_free( retry_list[k] ); } ch_free( retry_list ); return 1; } si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ) ); si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ) ); si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ) ); for ( j = 0; j < n; j++ ) { unsigned long t; if ( lutil_atoul( &t, retry_list[j*2] ) != 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: invalid retry interval \"%s\" (#%d)", retry_list[j*2], j ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); /* do some cleanup */ return 1; } si->si_retryinterval[j] = (time_t)t; if ( *retry_list[j*2+1] == '+' ) { si->si_retrynum_init[j] = RETRYNUM_FOREVER; si->si_retrynum[j] = RETRYNUM_FOREVER; j++; break; } else { if ( lutil_atoi( &si->si_retrynum_init[j], retry_list[j*2+1] ) != 0 || si->si_retrynum_init[j] <= 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: invalid initial retry number \"%s\" (#%d)", retry_list[j*2+1], j ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); /* do some cleanup */ return 1; } if ( lutil_atoi( &si->si_retrynum[j], retry_list[j*2+1] ) != 0 || si->si_retrynum[j] <= 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: invalid retry number \"%s\" (#%d)", retry_list[j*2+1], j ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); /* do some cleanup */ return 1; } } } if ( j < 1 || si->si_retrynum_init[j-1] != RETRYNUM_FOREVER ) { Debug( LDAP_DEBUG_CONFIG, "%s: syncrepl will eventually stop retrying; the \"retry\" parameter should end with a '+'.\n", c->log ); } si->si_retrynum_init[j] = RETRYNUM_TAIL; si->si_retrynum[j] = RETRYNUM_TAIL; si->si_retryinterval[j] = 0; for ( k = 0; retry_list && retry_list[k]; k++ ) { ch_free( retry_list[k] ); } ch_free( retry_list ); if ( !use_default ) { si->si_got |= GOT_RETRY; } return 0; } static int parse_syncrepl_line( ConfigArgs *c, syncinfo_t *si ) { int i; char *val; for ( i = 1; i < c->argc; i++ ) { if ( !strncasecmp( c->argv[ i ], IDSTR "=", STRLENOF( IDSTR "=" ) ) ) { int tmp; /* '\0' string terminator accounts for '=' */ val = c->argv[ i ] + STRLENOF( IDSTR "=" ); if ( lutil_atoi( &tmp, val ) != 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "unable to parse syncrepl id \"%s\"", val ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } if ( tmp > SLAP_SYNC_RID_MAX || tmp < 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "syncrepl id %d is out of range [0..%d]", tmp, SLAP_SYNC_RID_MAX ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } si->si_rid = tmp; sprintf( si->si_ridtxt, IDSTR "=%03d", si->si_rid ); si->si_got |= GOT_RID; } else if ( !strncasecmp( c->argv[ i ], PROVIDERSTR "=", STRLENOF( PROVIDERSTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( PROVIDERSTR "=" ); ber_str2bv( val, 0, 1, &si->si_bindconf.sb_uri ); #ifdef HAVE_TLS if ( ldap_is_ldaps_url( val )) si->si_bindconf.sb_tls_do_init = 1; #endif si->si_got |= GOT_PROVIDER; } else if ( !strncasecmp( c->argv[ i ], SCHEMASTR "=", STRLENOF( SCHEMASTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( SCHEMASTR "=" ); if ( !strncasecmp( val, "on", STRLENOF( "on" ) ) ) { si->si_schemachecking = 1; } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) { si->si_schemachecking = 0; } else { si->si_schemachecking = 1; } si->si_got |= GOT_SCHEMACHECKING; } else if ( !strncasecmp( c->argv[ i ], FILTERSTR "=", STRLENOF( FILTERSTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( FILTERSTR "=" ); if ( si->si_filterstr.bv_val ) ch_free( si->si_filterstr.bv_val ); ber_str2bv( val, 0, 1, &si->si_filterstr ); si->si_got |= GOT_FILTER; } else if ( !strncasecmp( c->argv[ i ], LOGFILTERSTR "=", STRLENOF( LOGFILTERSTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( LOGFILTERSTR "=" ); if ( si->si_logfilterstr.bv_val ) ch_free( si->si_logfilterstr.bv_val ); ber_str2bv( val, 0, 1, &si->si_logfilterstr ); si->si_got |= GOT_LOGFILTER; } else if ( !strncasecmp( c->argv[ i ], SEARCHBASESTR "=", STRLENOF( SEARCHBASESTR "=" ) ) ) { struct berval bv; int rc; val = c->argv[ i ] + STRLENOF( SEARCHBASESTR "=" ); if ( si->si_base.bv_val ) { ch_free( si->si_base.bv_val ); } ber_str2bv( val, 0, 0, &bv ); rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL ); if ( rc != LDAP_SUCCESS ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Invalid base DN \"%s\": %d (%s)", val, rc, ldap_err2string( rc ) ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } si->si_got |= GOT_SEARCHBASE; } else if ( !strncasecmp( c->argv[ i ], SUFFIXMSTR "=", STRLENOF( SUFFIXMSTR "=" ) ) ) { struct berval bv; int rc; val = c->argv[ i ] + STRLENOF( SUFFIXMSTR "=" ); if ( si->si_suffixm.bv_val ) { ch_free( si->si_suffixm.bv_val ); } ber_str2bv( val, 0, 0, &bv ); rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_suffixm, NULL ); if ( rc != LDAP_SUCCESS ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Invalid massage DN \"%s\": %d (%s)", val, rc, ldap_err2string( rc ) ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } if ( !be_issubordinate( c->be, &si->si_suffixm )) { ch_free( si->si_suffixm.bv_val ); BER_BVZERO( &si->si_suffixm ); snprintf( c->cr_msg, sizeof( c->cr_msg ), "Massage DN \"%s\" is not within the database naming context", val ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } si->si_got |= GOT_SUFFIXM; } else if ( !strncasecmp( c->argv[ i ], LOGBASESTR "=", STRLENOF( LOGBASESTR "=" ) ) ) { struct berval bv; int rc; val = c->argv[ i ] + STRLENOF( LOGBASESTR "=" ); if ( si->si_logbase.bv_val ) { ch_free( si->si_logbase.bv_val ); } ber_str2bv( val, 0, 0, &bv ); rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_logbase, NULL ); if ( rc != LDAP_SUCCESS ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Invalid logbase DN \"%s\": %d (%s)", val, rc, ldap_err2string( rc ) ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } si->si_got |= GOT_LOGBASE; } else if ( !strncasecmp( c->argv[ i ], SCOPESTR "=", STRLENOF( SCOPESTR "=" ) ) ) { int j; val = c->argv[ i ] + STRLENOF( SCOPESTR "=" ); j = ldap_pvt_str2scope( val ); if ( j < 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "unknown scope \"%s\"", val); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } si->si_scope = j; si->si_got |= GOT_SCOPE; } else if ( !strncasecmp( c->argv[ i ], ATTRSONLYSTR, STRLENOF( ATTRSONLYSTR ) ) ) { si->si_attrsonly = 1; si->si_got |= GOT_ATTRSONLY; } else if ( !strncasecmp( c->argv[ i ], ATTRSSTR "=", STRLENOF( ATTRSSTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( ATTRSSTR "=" ); if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) { char *attr_fname; attr_fname = ch_strdup( val + STRLENOF(":include:") ); si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" ); if ( si->si_anlist == NULL ) { ch_free( attr_fname ); return -1; } si->si_anfile = attr_fname; } else { char *str, *s, *next; const char *delimstr = " ,\t"; str = ch_strdup( val ); for ( s = ldap_pvt_strtok( str, delimstr, &next ); s != NULL; s = ldap_pvt_strtok( NULL, delimstr, &next ) ) { if ( strlen(s) == 1 && *s == '*' ) { si->si_allattrs = 1; val[ s - str ] = delimstr[0]; } if ( strlen(s) == 1 && *s == '+' ) { si->si_allopattrs = 1; val [ s - str ] = delimstr[0]; } } ch_free( str ); si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" ); if ( si->si_anlist == NULL ) { return -1; } } si->si_got |= GOT_ATTRS; } else if ( !strncasecmp( c->argv[ i ], EXATTRSSTR "=", STRLENOF( EXATTRSSTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( EXATTRSSTR "=" ); if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) { char *attr_fname; attr_fname = ch_strdup( val + STRLENOF(":include:") ); si->si_exanlist = file2anlist( si->si_exanlist, attr_fname, " ,\t" ); if ( si->si_exanlist == NULL ) { ch_free( attr_fname ); return -1; } ch_free( attr_fname ); } else { si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" ); if ( si->si_exanlist == NULL ) { return -1; } } si->si_got |= GOT_EXATTRS; } else if ( !strncasecmp( c->argv[ i ], TYPESTR "=", STRLENOF( TYPESTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( TYPESTR "=" ); if ( !strncasecmp( val, "refreshOnly", STRLENOF("refreshOnly") ) ) { si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY; } else if ( !strncasecmp( val, "refreshAndPersist", STRLENOF("refreshAndPersist") ) ) { si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_AND_PERSIST; si->si_interval = 60; #ifdef LDAP_CONTROL_X_DIRSYNC } else if ( !strncasecmp( val, "dirSync", STRLENOF("dirSync") ) ) { if ( sy_ad_objectGUID == NULL && syncrepl_dirsync_schema()) { sprintf( c->cr_msg, "Error: dirSync schema is missing" ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } /* MS DirSync is refreshOnly, no persist */ si->si_type = si->si_ctype = MSAD_DIRSYNC; #endif } else { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "unknown sync type \"%s\"", val); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } si->si_got |= GOT_TYPE; } else if ( !strncasecmp( c->argv[ i ], INTERVALSTR "=", STRLENOF( INTERVALSTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( INTERVALSTR "=" ); if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) { si->si_interval = 0; } else if ( strchr( val, ':' ) != NULL ) { char *next, *ptr = val; int dd, hh, mm, ss; dd = strtol( ptr, &next, 10 ); if ( next == ptr || next[0] != ':' || dd < 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "invalid interval \"%s\", unable to parse days", val ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } ptr = next + 1; hh = strtol( ptr, &next, 10 ); if ( next == ptr || next[0] != ':' || hh < 0 || hh > 24 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "invalid interval \"%s\", unable to parse hours", val ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } ptr = next + 1; mm = strtol( ptr, &next, 10 ); if ( next == ptr || next[0] != ':' || mm < 0 || mm > 60 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "invalid interval \"%s\", unable to parse minutes", val ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } ptr = next + 1; ss = strtol( ptr, &next, 10 ); if ( next == ptr || next[0] != '\0' || ss < 0 || ss > 60 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "invalid interval \"%s\", unable to parse seconds", val ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss; } else { unsigned long t; if ( lutil_parse_time( val, &t ) != 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "invalid interval \"%s\"", val ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } si->si_interval = (time_t)t; } if ( si->si_interval < 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "invalid interval \"%ld\"", (long) si->si_interval); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } si->si_got |= GOT_INTERVAL; } else if ( !strncasecmp( c->argv[ i ], RETRYSTR "=", STRLENOF( RETRYSTR "=" ) ) ) { if ( parse_syncrepl_retry( c, c->argv[ i ], si ) ) { return 1; } } else if ( !strncasecmp( c->argv[ i ], MANAGEDSAITSTR "=", STRLENOF( MANAGEDSAITSTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( MANAGEDSAITSTR "=" ); if ( lutil_atoi( &si->si_manageDSAit, val ) != 0 || si->si_manageDSAit < 0 || si->si_manageDSAit > 1 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "invalid manageDSAit value \"%s\".\n", val ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return 1; } si->si_got |= GOT_MANAGEDSAIT; } else if ( !strncasecmp( c->argv[ i ], SLIMITSTR "=", STRLENOF( SLIMITSTR "=") ) ) { val = c->argv[ i ] + STRLENOF( SLIMITSTR "=" ); if ( strcasecmp( val, "unlimited" ) == 0 ) { si->si_slimit = 0; } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || si->si_slimit < 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "invalid size limit value \"%s\".\n", val ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return 1; } si->si_got |= GOT_SLIMIT; } else if ( !strncasecmp( c->argv[ i ], TLIMITSTR "=", STRLENOF( TLIMITSTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( TLIMITSTR "=" ); if ( strcasecmp( val, "unlimited" ) == 0 ) { si->si_tlimit = 0; } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || si->si_tlimit < 0 ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "invalid time limit value \"%s\".\n", val ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return 1; } si->si_got |= GOT_TLIMIT; } else if ( !strncasecmp( c->argv[ i ], SYNCDATASTR "=", STRLENOF( SYNCDATASTR "=" ) ) ) { val = c->argv[ i ] + STRLENOF( SYNCDATASTR "=" ); si->si_syncdata = verb_to_mask( val, datamodes ); si->si_got |= GOT_SYNCDATA; if ( si->si_syncdata == SYNCDATA_CHANGELOG ) { if ( sy_ad_nsUniqueId == NULL ) { int rc = syncrepl_dsee_schema(); if ( rc ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "changelog schema problem (%d)\n", rc ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return 1; } } } } else if ( !strncasecmp( c->argv[ i ], STRICT_REFRESH, STRLENOF( STRICT_REFRESH ) ) ) { si->si_strict_refresh = 1; } else if ( !strncasecmp( c->argv[ i ], LAZY_COMMIT, STRLENOF( LAZY_COMMIT ) ) ) { si->si_lazyCommit = 1; } else if ( !bindconf_parse( c->argv[i], &si->si_bindconf ) ) { si->si_got |= GOT_BINDCONF; } else { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: parse_syncrepl_line: " "unable to parse \"%s\"\n", c->argv[ i ] ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } } if ( ( si->si_got & GOT_REQUIRED ) != GOT_REQUIRED ) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error: Malformed \"syncrepl\" line in slapd config file, missing%s%s%s", si->si_got & GOT_RID ? "" : " "IDSTR, si->si_got & GOT_PROVIDER ? "" : " "PROVIDERSTR, si->si_got & GOT_SEARCHBASE ? "" : " "SEARCHBASESTR ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } if ( !be_issubordinate( c->be, &si->si_base ) && !( si->si_got & GOT_SUFFIXM )) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "Base DN \"%s\" is not within the database naming context", si->si_base.bv_val ); ch_free( si->si_base.bv_val ); BER_BVZERO( &si->si_base ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } if ( si->si_got & GOT_SUFFIXM ) { if (config_suffixm( c, si )) { ch_free( si->si_suffixm.bv_val ); BER_BVZERO( &si->si_suffixm ); snprintf( c->cr_msg, sizeof( c->cr_msg ), "Error configuring rewrite engine" ); Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg ); return -1; } } if ( !( si->si_got & GOT_RETRY ) ) { Debug( LDAP_DEBUG_ANY, "syncrepl %s " SEARCHBASESTR "=\"%s\": no retry defined, using default\n", si->si_ridtxt, c->be->be_suffix ? c->be->be_suffix[ 0 ].bv_val : "(null)" ); if ( si->si_retryinterval == NULL ) { if ( parse_syncrepl_retry( c, "retry=undefined", si ) ) { return 1; } } } si->si_filter = str2filter( si->si_filterstr.bv_val ); if ( si->si_filter == NULL ) { Debug( LDAP_DEBUG_ANY, "syncrepl %s " SEARCHBASESTR "=\"%s\": unable to parse filter=\"%s\"\n", si->si_ridtxt, c->be->be_suffix ? c->be->be_suffix[ 0 ].bv_val : "(null)", si->si_filterstr.bv_val ); return 1; } if ( si->si_got & GOT_LOGFILTER ) { si->si_logfilter = str2filter( si->si_logfilterstr.bv_val ); if ( si->si_logfilter == NULL ) { Debug( LDAP_DEBUG_ANY, "syncrepl %s " SEARCHBASESTR "=\"%s\": unable to parse logfilter=\"%s\"\n", si->si_ridtxt, c->be->be_suffix ? c->be->be_suffix[ 0 ].bv_val : "(null)", si->si_logfilterstr.bv_val ); return 1; } } return 0; } /* monitor entry contains: provider URLs timestamp of last contact cookievals */ static ObjectClass *oc_olmSyncRepl; static AttributeDescription *ad_olmProviderURIList, *ad_olmConnection, *ad_olmSyncPhase, *ad_olmNextConnect, *ad_olmLastConnect, *ad_olmLastContact, *ad_olmLastCookieRcvd, *ad_olmLastCookieSent; static struct { char *name; char *oid; } s_oid[] = { { "olmSyncReplAttributes", "olmOverlayAttributes:1" }, { "olmSyncReplObjectClasses", "olmOverlayObjectClasses:1" }, { NULL } }; static struct { char *desc; AttributeDescription **ad; } s_at[] = { { "( olmSyncReplAttributes:1 " "NAME ( 'olmSRProviderURIList' ) " "DESC 'List of provider URIs for this consumer instance' " "SUP monitoredInfo " "NO-USER-MODIFICATION " "USAGE dSAOperation )", &ad_olmProviderURIList }, { "( olmSyncReplAttributes:2 " "NAME ( 'olmSRConnection' ) " "DESC 'Local address:port of connection to provider' " "SUP monitoredInfo " "SINGLE-VALUE " "NO-USER-MODIFICATION " "USAGE dSAOperation )", &ad_olmConnection }, { "( olmSyncReplAttributes:3 " "NAME ( 'olmSRSyncPhase' ) " "DESC 'Current syncrepl mode' " "SUP monitoredInfo " "SINGLE-VALUE " "NO-USER-MODIFICATION " "USAGE dSAOperation )", &ad_olmSyncPhase }, { "( olmSyncReplAttributes:4 " "NAME ( 'olmSRNextConnect' ) " "DESC 'Scheduled time of next connection attempt' " "SUP monitorTimestamp " "SINGLE-VALUE " "NO-USER-MODIFICATION " "USAGE dSAOperation )", &ad_olmNextConnect }, { "( olmSyncReplAttributes:5 " "NAME ( 'olmSRLastConnect' ) " "DESC 'Time last connected to provider' " "SUP monitorTimestamp " "SINGLE-VALUE " "NO-USER-MODIFICATION " "USAGE dSAOperation )", &ad_olmLastConnect }, { "( olmSyncReplAttributes:6 " "NAME ( 'olmSRLastContact' ) " "DESC 'Time last message received from provider' " "SUP monitorTimestamp " "SINGLE-VALUE " "NO-USER-MODIFICATION " "USAGE dSAOperation )", &ad_olmLastContact }, { "( olmSyncReplAttributes:7 " "NAME ( 'olmSRLastCookieRcvd' ) " "DESC 'Last sync cookie received from provider' " "SUP monitoredInfo " "NO-USER-MODIFICATION " "USAGE dSAOperation )", &ad_olmLastCookieRcvd }, { "( olmSyncReplAttributes:8 " "NAME ( 'olmSRLastCookieSent' ) " "DESC 'Last sync cookie sent to provider' " "SUP monitoredInfo " "NO-USER-MODIFICATION " "USAGE dSAOperation )", &ad_olmLastCookieSent }, { NULL } }; static struct { char *desc; ObjectClass **oc; } s_oc[] = { { "( olmSyncReplObjectClasses:1 " "NAME ( 'olmSyncReplInstance' ) " "SUP monitoredObject STRUCTURAL " "MAY ( " "olmSRProviderURIList " "$ olmSRConnection " "$ olmSRSyncPhase " "$ olmSRNextConnect " "$ olmSRLastConnect " "$ olmSRLastContact " "$ olmSRLastCookieRcvd " "$ olmSRLastCookieSent " ") )", &oc_olmSyncRepl }, { NULL } }; static int syncrepl_monitor_initialized; int syncrepl_monitor_init( void ) { int i, code; if ( syncrepl_monitor_initialized ) return 0; if ( backend_info( "monitor" ) == NULL ) return -1; { ConfigArgs c; char *argv[3]; argv[ 0 ] = "syncrepl monitor"; c.argv = argv; c.argc = 2; c.fname = argv[0]; for ( i=0; s_oid[i].name; i++ ) { argv[1] = s_oid[i].name; argv[2] = s_oid[i].oid; if ( parse_oidm( &c, 0, NULL )) { Debug( LDAP_DEBUG_ANY, "syncrepl_monitor_init: unable to add " "objectIdentifier \"%s=%s\"\n", s_oid[i].name, s_oid[i].oid ); return 2; } } } for ( i=0; s_at[i].desc != NULL; i++ ) { code = register_at( s_at[i].desc, s_at[i].ad, 1 ); if ( code != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_monitor_init: register_at failed for attributeType (%s)\n", s_at[i].desc ); return 3; } else { (*s_at[i].ad)->ad_type->sat_flags |= SLAP_AT_HIDE; } } for ( i=0; s_oc[i].desc != NULL; i++ ) { code = register_oc( s_oc[i].desc, s_oc[i].oc, 1 ); if ( code != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, "syncrepl_monitor_init: register_oc failed for objectClass (%s)\n", s_oc[i].desc ); return 4; } else { (*s_oc[i].oc)->soc_flags |= SLAP_OC_HIDE; } } syncrepl_monitor_initialized = 1; return 0; } static const struct berval zerotime = BER_BVC("00000101000000Z"); static int syncrepl_monitor_update( Operation *op, SlapReply *rs, Entry *e, void *priv ) { syncinfo_t *si = (syncinfo_t *)priv; Attribute *a; int isConnected = 0; a = attr_find( e->e_attrs, ad_olmConnection ); if ( !a ) return SLAP_CB_CONTINUE; if ( si->si_ld ) { if (!bvmatch( &a->a_vals[0], &si->si_connaddr )) { AC_MEMCPY( a->a_vals[0].bv_val, si->si_connaddr.bv_val, si->si_connaddr.bv_len ); a->a_vals[0].bv_len = si->si_connaddr.bv_len; } isConnected = 1; } else { a->a_vals[0].bv_val[0] = '\0'; a->a_vals[0].bv_len = 0; } a = a->a_next; if ( a->a_desc != ad_olmSyncPhase ) return SLAP_CB_CONTINUE; if ( si->si_refreshDone ) { struct berval bv = BER_BVC("Persist"); ber_bvreplace( &a->a_vals[0], &bv ); } else { if ( si->si_syncdata && si->si_logstate == SYNCLOG_FALLBACK ) { struct berval bv = BER_BVC("Fallback Refresh"); ber_bvreplace( &a->a_vals[0], &bv ); } else { struct berval bv = BER_BVC("Refresh"); ber_bvreplace( &a->a_vals[0], &bv ); } } { struct tm tm; char tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ]; ber_len_t len; a = a->a_next; if ( a->a_desc != ad_olmNextConnect ) return SLAP_CB_CONTINUE; if ( !isConnected && si->si_re && si->si_re->next_sched.tv_sec ) { time_t next_sched = si->si_re->next_sched.tv_sec; ldap_pvt_gmtime( &next_sched, &tm ); lutil_gentime( tmbuf, sizeof( tmbuf ), &tm ); len = strlen( tmbuf ); assert( len == a->a_vals[0].bv_len ); AC_MEMCPY( a->a_vals[0].bv_val, tmbuf, len ); } else { AC_MEMCPY( a->a_vals[0].bv_val, zerotime.bv_val, zerotime.bv_len ); } a = a->a_next; if ( a->a_desc != ad_olmLastConnect ) return SLAP_CB_CONTINUE; if ( si->si_lastconnect ) { ldap_pvt_gmtime( &si->si_lastconnect, &tm ); lutil_gentime( tmbuf, sizeof( tmbuf ), &tm ); len = strlen( tmbuf ); assert( len == a->a_vals[0].bv_len ); AC_MEMCPY( a->a_vals[0].bv_val, tmbuf, len ); } a = a->a_next; if ( a->a_desc != ad_olmLastContact ) return SLAP_CB_CONTINUE; if ( si->si_lastcontact ) { ldap_pvt_gmtime( &si->si_lastcontact, &tm ); lutil_gentime( tmbuf, sizeof( tmbuf ), &tm ); len = strlen( tmbuf ); assert( len == a->a_vals[0].bv_len ); AC_MEMCPY( a->a_vals[0].bv_val, tmbuf, len ); } } a = a->a_next; if ( a->a_desc != ad_olmLastCookieRcvd ) return SLAP_CB_CONTINUE; ldap_pvt_thread_mutex_lock( &si->si_monitor_mutex ); if ( !BER_BVISEMPTY( &si->si_lastCookieRcvd ) && !bvmatch( &a->a_vals[0], &si->si_lastCookieRcvd )) ber_bvreplace( &a->a_vals[0], &si->si_lastCookieRcvd ); a = a->a_next; if ( a->a_desc != ad_olmLastCookieSent ) { ldap_pvt_thread_mutex_unlock( &si->si_monitor_mutex ); return SLAP_CB_CONTINUE; } if ( !BER_BVISEMPTY( &si->si_lastCookieSent ) && !bvmatch( &a->a_vals[0], &si->si_lastCookieSent )) ber_bvreplace( &a->a_vals[0], &si->si_lastCookieSent ); ldap_pvt_thread_mutex_unlock( &si->si_monitor_mutex ); return SLAP_CB_CONTINUE; } static int syncrepl_monitor_add( syncinfo_t *si ) { BackendInfo *mi; monitor_extra_t *mbe; struct berval pndn, pdn, rdn, bv; char rdnbuf[sizeof("cn=Consumer 999")]; Entry *e, *p; int rc; if ( !syncrepl_monitor_initialized ) return -1; mi = backend_info( "monitor" ); if ( !mi || !mi->bi_extra ) { SLAP_DBFLAGS( si->si_be ) ^= SLAP_DBFLAG_MONITORING; return 0; } mbe = mi->bi_extra; if ( !mbe->is_configured() ) { return 0; } rc = mbe->register_database( si->si_be, &pndn ); if ( rc ) { Debug( LDAP_DEBUG_ANY, "syncrepl_monitor_add: " "failed to register the database with back-monitor\n" ); return rc; } rdn.bv_len = sprintf(rdnbuf, "cn=Consumer %03d", si->si_rid ); rdn.bv_val = rdnbuf; p = mbe->entry_get_unlocked( &pndn ); if ( p ) { pdn = p->e_name; } else { pdn = pndn; } e = mbe->entry_stub( &pdn, &pndn, &rdn, oc_olmSyncRepl, NULL, NULL ); if ( e == NULL ) { Debug( LDAP_DEBUG_ANY, "syncrepl_monitor_add: " "unable to create entry \"%s,%s\"\n", rdn.bv_val, pndn.bv_val ); return -1; } attr_merge_normalize_one( e, ad_olmProviderURIList, &si->si_bindconf.sb_uri, NULL ); { si->si_connaddr.bv_val = si->si_connaddrbuf; si->si_connaddr.bv_len = sizeof( si->si_connaddrbuf ); si->si_connaddrbuf[0] = '\0'; attr_merge_normalize_one( e, ad_olmConnection, &si->si_connaddr, NULL ); } { struct berval bv = BER_BVC("Refresh"); attr_merge_normalize_one( e, ad_olmSyncPhase, &bv, NULL ); } { attr_merge_normalize_one( e, ad_olmNextConnect, (struct berval *)&zerotime, NULL ); attr_merge_normalize_one( e, ad_olmLastConnect, (struct berval *)&zerotime, NULL ); attr_merge_normalize_one( e, ad_olmLastContact, (struct berval *)&zerotime, NULL ); } { struct berval bv = BER_BVC(""); attr_merge_normalize_one( e, ad_olmLastCookieRcvd, &bv, NULL ); attr_merge_normalize_one( e, ad_olmLastCookieSent, &bv, NULL ); } { monitor_callback_t *cb = ch_calloc( sizeof( monitor_callback_t ), 1 ); cb->mc_update = syncrepl_monitor_update; cb->mc_private = si; rc = mbe->register_entry( e, cb, NULL, 0 ); } si->si_monitor_ndn = e->e_nname; BER_BVZERO( &e->e_nname ); entry_free( e ); return rc; } static int syncrepl_monitor_del( syncinfo_t *si ) { BackendInfo *mi; mi = backend_info( "monitor" ); if ( mi && mi->bi_extra ) { monitor_extra_t *mbe = mi->bi_extra; mbe->unregister_entry( &si->si_monitor_ndn ); } ch_free( si->si_lastCookieSent.bv_val ); ch_free( si->si_lastCookieRcvd.bv_val ); ch_free( si->si_monitor_ndn.bv_val ); return 0; } static int add_syncrepl( ConfigArgs *c ) { syncinfo_t *si; int i, rc = 0; if ( !( c->be->be_search && c->be->be_add && c->be->be_modify && c->be->be_delete ) ) { snprintf( c->cr_msg, sizeof(c->cr_msg), "database %s does not support " "operations required for syncrepl", c->be->be_type ); Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg ); return 1; } if ( BER_BVISEMPTY( &c->be->be_rootdn ) ) { strcpy( c->cr_msg, "rootDN must be defined before syncrepl may be used" ); Debug( LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg ); return 1; } si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) ); if ( si == NULL ) { Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n" ); return 1; } si->si_bindconf.sb_tls = SB_TLS_OFF; si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE; si->si_schemachecking = 0; ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1, &si->si_filterstr ); si->si_base.bv_val = NULL; si->si_scope = LDAP_SCOPE_SUBTREE; si->si_attrsonly = 0; si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) ); si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ) ); si->si_attrs = NULL; si->si_allattrs = 0; si->si_allopattrs = 0; si->si_exattrs = NULL; si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY; si->si_interval = 86400; si->si_retryinterval = NULL; si->si_retrynum_init = NULL; si->si_retrynum = NULL; si->si_manageDSAit = 0; si->si_tlimit = 0; si->si_slimit = 0; si->si_presentlist = NULL; LDAP_LIST_INIT( &si->si_nonpresentlist ); ldap_pvt_thread_mutex_init( &si->si_monitor_mutex ); ldap_pvt_thread_mutex_init( &si->si_mutex ); si->si_is_configdb = strcmp( c->be->be_suffix[0].bv_val, "cn=config" ) == 0; rc = parse_syncrepl_line( c, si ); if ( rc == 0 ) { LDAPURLDesc *lud; /* Must be LDAPv3 because we need controls */ switch ( si->si_bindconf.sb_version ) { case 0: /* not explicitly set */ si->si_bindconf.sb_version = LDAP_VERSION3; break; case 3: /* explicitly set */ break; default: Debug( LDAP_DEBUG_ANY, "version %d incompatible with syncrepl\n", si->si_bindconf.sb_version ); syncinfo_free( si, 0 ); return 1; } if ( ldap_url_parse( si->si_bindconf.sb_uri.bv_val, &lud )) { snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> invalid URL", c->argv[0] ); Debug( LDAP_DEBUG_ANY, "%s: %s %s\n", c->log, c->cr_msg, si->si_bindconf.sb_uri.bv_val ); return 1; } si->si_be = c->be; if ( slapMode & SLAP_SERVER_MODE ) { int isMe = 0; /* check if consumer points to current server and database. * If so, ignore this configuration. */ if ( !SLAP_DBHIDDEN( c->be ) ) { int i; /* if searchbase doesn't match current DB suffix, * assume it's different */ for ( i=0; !BER_BVISNULL( &c->be->be_nsuffix[i] ); i++ ) { if ( bvmatch( &si->si_base, &c->be->be_nsuffix[i] )) { isMe = 1; break; } } /* if searchbase matches, see if URLs match */ if ( isMe && config_check_my_url( si->si_bindconf.sb_uri.bv_val, lud ) == NULL ) isMe = 0; } if ( !isMe ) { init_syncrepl( si ); ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); si->si_re = ldap_pvt_runqueue_insert( &slapd_rq, si->si_interval, do_syncrepl, si, "do_syncrepl", si->si_ridtxt ); ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); if ( si->si_re ) rc = config_sync_shadow( c ) ? -1 : 0; else rc = -1; } } else { /* multiprovider still needs to see this flag in tool mode */ rc = config_sync_shadow( c ) ? -1 : 0; } ldap_free_urldesc( lud ); } #ifdef HAVE_TLS /* Use main slapd defaults */ bindconf_tls_defaults( &si->si_bindconf ); #endif if ( rc != 0 ) { Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n" ); syncinfo_free( si, 0 ); return 1; } else { Debug( LDAP_DEBUG_CONFIG, "Config: ** successfully added syncrepl %s \"%s\"\n", si->si_ridtxt, BER_BVISNULL( &si->si_bindconf.sb_uri ) ? "(null)" : si->si_bindconf.sb_uri.bv_val ); if ( c->be->be_syncinfo ) { syncinfo_t **sip; si->si_cookieState = c->be->be_syncinfo->si_cookieState; for ( i = 0, sip = &c->be->be_syncinfo; (*sip)->si_next && ( c->valx < 0 || i < c->valx ); sip = &(*sip)->si_next, i++ ) /* advance to the desired position */ ; si->si_next = *sip; *sip = si; } else { si->si_cookieState = ch_calloc( 1, sizeof( cookie_state )); ldap_pvt_thread_mutex_init( &si->si_cookieState->cs_mutex ); ldap_pvt_thread_mutex_init( &si->si_cookieState->cs_pmutex ); ldap_pvt_thread_mutex_init( &si->si_cookieState->cs_refresh_mutex ); ldap_pvt_thread_cond_init( &si->si_cookieState->cs_cond ); c->be->be_syncinfo = si; si->si_next = NULL; } si->si_cookieState->cs_ref++; syncrepl_monitor_init(); return 0; } } static void syncrepl_unparse( syncinfo_t *si, struct berval *bv ) { struct berval bc, uri, bs; char buf[BUFSIZ*2], *ptr; ber_len_t len; int i; # define WHATSLEFT ((ber_len_t) (&buf[sizeof( buf )] - ptr)) BER_BVZERO( bv ); /* temporarily inhibit bindconf from printing URI */ uri = si->si_bindconf.sb_uri; BER_BVZERO( &si->si_bindconf.sb_uri ); si->si_bindconf.sb_version = 0; bindconf_unparse( &si->si_bindconf, &bc ); si->si_bindconf.sb_uri = uri; si->si_bindconf.sb_version = LDAP_VERSION3; ptr = buf; assert( si->si_rid >= 0 && si->si_rid <= SLAP_SYNC_RID_MAX ); len = snprintf( ptr, WHATSLEFT, IDSTR "=%03d " PROVIDERSTR "=%s", si->si_rid, si->si_bindconf.sb_uri.bv_val ); if ( len >= sizeof( buf ) ) return; ptr += len; if ( !BER_BVISNULL( &bc ) ) { if ( WHATSLEFT <= bc.bv_len ) { free( bc.bv_val ); return; } ptr = lutil_strcopy( ptr, bc.bv_val ); free( bc.bv_val ); } if ( !BER_BVISEMPTY( &si->si_filterstr ) ) { if ( WHATSLEFT <= STRLENOF( " " FILTERSTR "=\"" "\"" ) + si->si_filterstr.bv_len ) return; ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" ); ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val ); *ptr++ = '"'; } if ( !BER_BVISNULL( &si->si_base ) ) { if ( WHATSLEFT <= STRLENOF( " " SEARCHBASESTR "=\"" "\"" ) + si->si_base.bv_len ) return; ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" ); ptr = lutil_strcopy( ptr, si->si_base.bv_val ); *ptr++ = '"'; } if ( !BER_BVISNULL( &si->si_suffixm ) ) { if ( WHATSLEFT <= STRLENOF( " " SUFFIXMSTR "=\"" "\"" ) + si->si_suffixm.bv_len ) return; ptr = lutil_strcopy( ptr, " " SUFFIXMSTR "=\"" ); ptr = lutil_strcopy( ptr, si->si_suffixm.bv_val ); *ptr++ = '"'; } if ( !BER_BVISEMPTY( &si->si_logfilterstr ) ) { if ( WHATSLEFT <= STRLENOF( " " LOGFILTERSTR "=\"" "\"" ) + si->si_logfilterstr.bv_len ) return; ptr = lutil_strcopy( ptr, " " LOGFILTERSTR "=\"" ); ptr = lutil_strcopy( ptr, si->si_logfilterstr.bv_val ); *ptr++ = '"'; } if ( !BER_BVISNULL( &si->si_logbase ) ) { if ( WHATSLEFT <= STRLENOF( " " LOGBASESTR "=\"" "\"" ) + si->si_logbase.bv_len ) return; ptr = lutil_strcopy( ptr, " " LOGBASESTR "=\"" ); ptr = lutil_strcopy( ptr, si->si_logbase.bv_val ); *ptr++ = '"'; } if ( ldap_pvt_scope2bv( si->si_scope, &bs ) == LDAP_SUCCESS ) { if ( WHATSLEFT <= STRLENOF( " " SCOPESTR "=" ) + bs.bv_len ) return; ptr = lutil_strcopy( ptr, " " SCOPESTR "=" ); ptr = lutil_strcopy( ptr, bs.bv_val ); } if ( si->si_attrsonly ) { if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return; ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR ); } if ( si->si_anfile ) { if ( WHATSLEFT <= STRLENOF( " " ATTRSSTR "=\":include:" "\"" ) + strlen( si->si_anfile ) ) return; ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:\"" ); ptr = lutil_strcopy( ptr, si->si_anfile ); *ptr++ = '"'; } else if ( si->si_allattrs || si->si_allopattrs || ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) ) ) { char *old; if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return; ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" ); old = ptr; ptr = anlist_unparse( si->si_anlist, ptr, WHATSLEFT ); if ( ptr == NULL ) return; if ( si->si_allattrs ) { if ( WHATSLEFT <= STRLENOF( ",*\"" ) ) return; if ( old != ptr ) *ptr++ = ','; *ptr++ = '*'; } if ( si->si_allopattrs ) { if ( WHATSLEFT <= STRLENOF( ",+\"" ) ) return; if ( old != ptr ) *ptr++ = ','; *ptr++ = '+'; } *ptr++ = '"'; } if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) { if ( WHATSLEFT <= STRLENOF( " " EXATTRSSTR "=" ) ) return; ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" ); ptr = anlist_unparse( si->si_exanlist, ptr, WHATSLEFT ); if ( ptr == NULL ) return; } if ( WHATSLEFT <= STRLENOF( " " SCHEMASTR "=" ) + STRLENOF( "off" ) ) return; ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" ); ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" ); if ( WHATSLEFT <= STRLENOF( " " TYPESTR "=" ) + STRLENOF( "refreshAndPersist" ) ) return; ptr = lutil_strcopy( ptr, " " TYPESTR "=" ); #ifdef LDAP_CONTROL_X_DIRSYNC if ( si->si_type == MSAD_DIRSYNC ) ptr = lutil_strcopy( ptr, "dirSync" ); else #endif ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ? "refreshAndPersist" : "refreshOnly" ); if ( si->si_type == LDAP_SYNC_REFRESH_ONLY #ifdef LDAP_CONTROL_X_DIRSYNC || si->si_type == MSAD_DIRSYNC #endif ) { int dd, hh, mm, ss; dd = si->si_interval; ss = dd % 60; dd /= 60; mm = dd % 60; dd /= 60; hh = dd % 24; dd /= 24; len = snprintf( ptr, WHATSLEFT, " %s=%02d:%02d:%02d:%02d", INTERVALSTR, dd, hh, mm, ss ); if ( len >= WHATSLEFT ) return; ptr += len; } if ( si->si_got & GOT_RETRY ) { const char *space = ""; if ( WHATSLEFT <= STRLENOF( " " RETRYSTR "=\"" "\"" ) ) return; ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" ); for (i=0; si->si_retryinterval[i]; i++) { len = snprintf( ptr, WHATSLEFT, "%s%ld ", space, (long) si->si_retryinterval[i] ); space = " "; if ( WHATSLEFT - 1 <= len ) return; ptr += len; if ( si->si_retrynum_init[i] == RETRYNUM_FOREVER ) *ptr++ = '+'; else { len = snprintf( ptr, WHATSLEFT, "%d", si->si_retrynum_init[i] ); if ( WHATSLEFT <= len ) return; ptr += len; } } if ( WHATSLEFT <= STRLENOF( "\"" ) ) return; *ptr++ = '"'; } else { ptr = lutil_strcopy( ptr, " " RETRYSTR "=undefined" ); } if ( si->si_slimit ) { len = snprintf( ptr, WHATSLEFT, " " SLIMITSTR "=%d", si->si_slimit ); if ( WHATSLEFT <= len ) return; ptr += len; } if ( si->si_tlimit ) { len = snprintf( ptr, WHATSLEFT, " " TLIMITSTR "=%d", si->si_tlimit ); if ( WHATSLEFT <= len ) return; ptr += len; } if ( si->si_syncdata ) { if ( enum_to_verb( datamodes, si->si_syncdata, &bc ) >= 0 ) { if ( WHATSLEFT <= STRLENOF( " " SYNCDATASTR "=" ) + bc.bv_len ) return; ptr = lutil_strcopy( ptr, " " SYNCDATASTR "=" ); ptr = lutil_strcopy( ptr, bc.bv_val ); } } if ( si->si_lazyCommit ) { ptr = lutil_strcopy( ptr, " " LAZY_COMMIT ); } bc.bv_len = ptr - buf; bc.bv_val = buf; ber_dupbv( bv, &bc ); } int syncrepl_config( ConfigArgs *c ) { if (c->op == SLAP_CONFIG_EMIT) { if ( c->be->be_syncinfo ) { struct berval bv; syncinfo_t *si; for ( si = c->be->be_syncinfo; si; si=si->si_next ) { syncrepl_unparse( si, &bv ); ber_bvarray_add( &c->rvalue_vals, &bv ); } return 0; } return 1; } else if ( c->op == LDAP_MOD_DELETE ) { int isrunning = 0; if ( c->be->be_syncinfo ) { syncinfo_t *si, **sip; int i; for ( sip = &c->be->be_syncinfo, i=0; *sip; i++ ) { si = *sip; if ( c->valx == -1 || i == c->valx ) { *sip = si->si_next; si->si_ctype = -1; si->si_next = NULL; /* If the task is currently active, we have to leave * it running. It will exit on its own. This will only * happen when running on the cn=config DB. */ if ( si->si_re ) { if ( si->si_be == c->ca_op->o_bd || ldap_pvt_thread_mutex_trylock( &si->si_mutex )) { isrunning = 1; } else { /* There is no active thread, but we must still * ensure that no thread is (or will be) queued * while we removes the task. */ struct re_s *re = si->si_re; si->si_re = NULL; if ( si->si_conn ) { connection_client_stop( si->si_conn ); si->si_conn = NULL; } ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ) ) { ldap_pvt_runqueue_stoptask( &slapd_rq, re ); isrunning = 1; } if ( !re->pool_cookie || ldap_pvt_thread_pool_retract( re->pool_cookie ) > 0 ) isrunning = 0; ldap_pvt_runqueue_remove( &slapd_rq, re ); ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); ldap_pvt_thread_mutex_unlock( &si->si_mutex ); } } if ( !isrunning ) { syncinfo_free( si, 0 ); } if ( i == c->valx ) break; } else { sip = &si->si_next; } } } if ( !c->be->be_syncinfo ) { SLAP_DBFLAGS( c->be ) &= ~SLAP_DBFLAG_SHADOW_MASK; } return 0; } if ( SLAP_SLURP_SHADOW( c->be ) ) { Debug(LDAP_DEBUG_ANY, "%s: " "syncrepl: database already shadowed.\n", c->log ); return(1); } else { return add_syncrepl( c ); } }