summaryrefslogtreecommitdiffstats
path: root/servers/slapd/syncrepl.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:35:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:35:32 +0000
commit5ea77a75dd2d2158401331879f3c8f47940a732c (patch)
treed89dc06e9f4850a900f161e25f84e922c4f86cc8 /servers/slapd/syncrepl.c
parentInitial commit. (diff)
downloadopenldap-5ea77a75dd2d2158401331879f3c8f47940a732c.tar.xz
openldap-5ea77a75dd2d2158401331879f3c8f47940a732c.zip
Adding upstream version 2.5.13+dfsg.upstream/2.5.13+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'servers/slapd/syncrepl.c')
-rw-r--r--servers/slapd/syncrepl.c7625
1 files changed, 7625 insertions, 0 deletions
diff --git a/servers/slapd/syncrepl.c b/servers/slapd/syncrepl.c
new file mode 100644
index 0000000..52e67e4
--- /dev/null
+++ b/servers/slapd/syncrepl.c
@@ -0,0 +1,7625 @@
+/* syncrepl.c -- Replication Engine which uses the LDAP Sync protocol */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * 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
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/string.h>
+#include <ac/socket.h>
+
+#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 "<suffix massage>"
+
+#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; i<ei; i++ ) {
+ fprintf(stderr, "merge_state: %s si_syncCookie [%d] %d %s\n",
+ si->si_ridtxt, i, sc1->sids[i], sc1->ctxcsn[i].bv_val );
+ }
+ for ( i=0; i<ej; i++ ) {
+ fprintf(stderr, "merge_state: %s si_cookieState [%d] %d %s\n",
+ si->si_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; i<sc1->numcsns; 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; i<num; i++ ) {
+ if ( ber_bvcmp( &a.a_nvals[i],
+ &si->si_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; i<si->si_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; j<sc2->numcsns; j++) {
+ for (i=0; i<sc1->numcsns; 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; i<cv->cv_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; i<si->si_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; i<mod->sml_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; i<mod->sml_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; j<m2->sml_numvals; j++ ) {
+ for ( i=0; i<m1->sml_numvals; i++ ) {
+ if ( !ber_bvcmp( &bv1[i], &bv2[j] )) {
+ int k;
+ for ( k=i; k<m1->sml_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 = &rx;
+
+ 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 = &nsup;
+ } 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; i<mod->sml_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; i<mod->sml_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; i<sc->numcsns; 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; i<syncCookie->numcsns; i++ ) {
+ assert( !syn->ssyn_validate( syn, syncCookie->ctxcsn+i ));
+ }
+ for ( i=0; i<si->si_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; i<sc.numcsns; i++ )
+ sc.sids[i] = si->si_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; i<syncCookie->numcsns; i++ ) {
+ for ( j=0; j<sc.numcsns; j++ ) {
+ if ( syncCookie->sids[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; i<si->si_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; i<si->si_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; i<o; i++ ) dels[i] = &old->a_vals[i];
+ for ( i=0; i<n; i++ ) adds[i] = &new->a_vals[i];
+
+ nn = n; no = o;
+
+ for ( i=0; i<o; i++ ) {
+ for ( j=0; j<n; j++ ) {
+ if ( !adds[j] )
+ continue;
+ if ( bvmatch( dels[i], adds[j] ) ) {
+ no--;
+ nn--;
+ adds[j] = NULL;
+ dels[i] = NULL;
+ break;
+ }
+ }
+ }
+
+ /* Don't delete/add an objectClass, always use the replace op.
+ * Modify would fail if provider has replaced entry with a new,
+ * and the new explicitly includes a superior of a class that was
+ * only included implicitly in the old entry. Ref ITS#5517.
+ *
+ * Also use replace op if attr has no equality matching rule.
+ * (ITS#5781)
+ */
+ if ( ( nn || ( no > 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 : "<missing>",
+ 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 );
+ }
+}