]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/syncrepl.c
Hide starttls keyword if no TLS
[openldap] / servers / slapd / syncrepl.c
index f812d5d4aaf67a712da7565a34c4b7c704c5324a..19c31ec6e5058ba6ec4f4464ee66449a1c7e8110 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 2003-2005 The OpenLDAP Foundation.
+ * Copyright 2003-2006 The OpenLDAP Foundation.
  * Portions Copyright 2003 by IBM Corporation.
  * Portions Copyright 2003 by Howard Chu, Symas Corporation.
  * All rights reserved.
 
 #include "ldap_rq.h"
 
-/* FIXME: for ldap_ld_free() */
-#undef ldap_debug
-#include "../../libraries/libldap/ldap-int.h"
-
 struct nonpresent_entry {
        struct berval *npe_name;
        struct berval *npe_nname;
@@ -45,14 +41,23 @@ struct nonpresent_entry {
 #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 slap_backend_db *si_be;
        struct re_s                     *si_re;
        long                            si_rid;
-       struct berval           si_provideruri;
        slap_bindconf           si_bindconf;
-       struct berval           si_filterstr;
        struct berval           si_base;
+       struct berval           si_logbase;
+       struct berval           si_filterstr;
+       struct berval           si_logfilterstr;
        int                                     si_scope;
        int                                     si_attrsonly;
        char                            *si_anfile;
@@ -63,7 +68,8 @@ typedef struct syncinfo_s {
        int                                     si_allattrs;
        int                                     si_allopattrs;
        int                                     si_schemachecking;
-       int                                     si_type;
+       int                                     si_type;        /* the active type */
+       int                                     si_ctype;       /* the configured type */
        time_t                          si_interval;
        time_t                          *si_retryinterval;
        int                                     *si_retrynum_init;
@@ -75,6 +81,8 @@ typedef struct syncinfo_s {
        int                                     si_refreshDelete;
        int                                     si_refreshPresent;
        int                                     si_syncdata;
+       int                                     si_logstate;
+       int                                     si_conn_setup;
        Avlnode                         *si_presentlist;
        LDAP                            *si_ld;
        LDAP_LIST_HEAD(np, nonpresent_entry) si_nonpresentlist;
@@ -94,7 +102,7 @@ static int syncrepl_entry(
                                        Modifications**,int, struct berval*,
                                        struct sync_cookie *,
                                        struct berval * );
-static void syncrepl_updateCookie(
+static int syncrepl_updateCookie(
                                        syncinfo_t *, Operation *, struct berval *,
                                        struct sync_cookie * );
 static struct berval * slap_uuidstr_from_normalized(
@@ -185,7 +193,7 @@ init_syncrepl(syncinfo_t *si)
                }
 
                if ( attrs == NULL ) {
-                       Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
+                       Debug( LDAP_DEBUG_ANY, "out of memory\n", 0, 0, 0 );
                }
 
                /* Add Attributes */
@@ -270,6 +278,33 @@ init_syncrepl(syncinfo_t *si)
        si->si_exattrs = exattrs;       
 }
 
+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;
+} logschema;
+
+static logschema changelog_sc = {
+       BER_BVC("targetDN"),
+       BER_BVC("changeType"),
+       BER_BVC("changes"),
+       BER_BVC("newRDN"),
+       BER_BVC("deleteOldRDN"),
+       BER_BVC("newSuperior")
+};
+
+static logschema accesslog_sc = {
+       BER_BVC("reqDN"),
+       BER_BVC("reqType"),
+       BER_BVC("reqMod"),
+       BER_BVC("reqNewRDN"),
+       BER_BVC("reqDeleteOldRDN"),
+       BER_BVC("reqNewSuperior")
+};
+
 static int
 ldap_sync_search(
        syncinfo_t *si,
@@ -281,19 +316,66 @@ ldap_sync_search(
        struct timeval timeout;
        ber_int_t       msgid;
        int rc;
+       int rhint;
+       char *base;
+       char **attrs, *lattrs[8];
+       char *filter;
+       int attrsonly;
+       int scope;
 
        /* setup LDAP SYNC control */
        ber_init2( ber, NULL, LBER_USE_DER );
        ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
 
+       /* If we're using a log but we have no state, then fallback to
+        * normal mode for a full refresh.
+        */
+       if ( si->si_syncdata && BER_BVISEMPTY( &si->si_syncCookie.ctxcsn ))
+               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;
+               lattrs[6] = slap_schema.si_ad_entryCSN->ad_cname.bv_val;
+               lattrs[7] = NULL;
+
+               rhint = 0;
+               base = si->si_logbase.bv_val;
+               filter = si->si_logfilterstr.bv_val;
+               attrs = lattrs;
+               attrsonly = 0;
+               scope = LDAP_SCOPE_SUBTREE;
+       } else {
+               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;
+       }
+
        if ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) )
        {
-               ber_printf( ber, "{eO}",
-                       abs(si->si_type),
-                       &si->si_syncCookie.octet_str );
+               ber_printf( ber, "{eOb}",
+                       abs(si->si_type), &si->si_syncCookie.octet_str, rhint );
        } else {
-               ber_printf( ber, "{e}",
-                       abs(si->si_type) );
+               ber_printf( ber, "{eb}",
+                       abs(si->si_type), rhint );
        }
 
        if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 )) == LBER_ERROR ) {
@@ -318,8 +400,7 @@ ldap_sync_search(
        timeout.tv_sec = si->si_tlimit;
        timeout.tv_usec = 0;
 
-       rc = ldap_search_ext( si->si_ld, si->si_base.bv_val, si->si_scope,
-               si->si_filterstr.bv_val, si->si_attrs, si->si_attrsonly,
+       rc = ldap_search_ext( si->si_ld, base, scope, filter, attrs, attrsonly,
                ctrls, NULL, si->si_tlimit > 0 ? &timeout : NULL,
                si->si_slimit, &msgid );
        ber_free_buf( ber );
@@ -343,16 +424,31 @@ do_syncrep1(
        psub = &si->si_be->be_nsuffix[0];
 
        /* Init connection to master */
-       rc = ldap_initialize( &si->si_ld, si->si_provideruri.bv_val );
+       rc = ldap_initialize( &si->si_ld, si->si_bindconf.sb_uri.bv_val );
        if ( rc != LDAP_SUCCESS ) {
                Debug( LDAP_DEBUG_ANY,
                        "do_syncrep1: ldap_initialize failed (%s)\n",
-                       si->si_provideruri.bv_val, 0, 0 );
+                       si->si_bindconf.sb_uri.bv_val, 0, 0 );
                return rc;
        }
 
        op->o_protocol = LDAP_VERSION3;
-       ldap_set_option( si->si_ld, LDAP_OPT_PROTOCOL_VERSION, &op->o_protocol );
+       ldap_set_option( si->si_ld, LDAP_OPT_PROTOCOL_VERSION,
+               (const void *)&op->o_protocol );
+
+#ifdef HAVE_TLS
+       if ( si->si_bindconf.sb_tls_do_init ) {
+               rc = bindconf_tls_set( &si->si_bindconf, si->si_ld );
+       } else if ( si->si_bindconf.sb_tls_ctx ) {
+               rc = ldap_set_option( si->si_ld, LDAP_OPT_X_TLS_CTX,
+                       si->si_bindconf.sb_tls_ctx );
+       }
+       if ( rc ) {
+               Debug( LDAP_DEBUG_ANY,
+                       "do_syncrep1: TLS context initialization failed\n", 0, 0, 0 );
+               return rc;
+       }
+#endif
 
        /* Bind to master */
 
@@ -378,7 +474,7 @@ do_syncrep1(
                        if( rc != LDAP_OPT_SUCCESS ) {
                                Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
                                        "(%s,SECPROPS,\"%s\") failed!\n",
-                                       si->si_provideruri.bv_val, si->si_bindconf.sb_secprops, 0 );
+                                       si->si_bindconf.sb_uri.bv_val, si->si_bindconf.sb_secprops, 0 );
                                goto done;
                        }
                }
@@ -424,7 +520,7 @@ do_syncrep1(
 #else /* HAVE_CYRUS_SASL */
                /* Should never get here, we trapped this at config time */
                assert(0);
-               fprintf( stderr, "not compiled with SASL support\n" );
+               Debug( LDAP_DEBUG_SYNC, "not compiled with SASL support\n", 0, 0, 0 );
                rc = LDAP_OTHER;
                goto done;
 #endif
@@ -549,8 +645,6 @@ do_syncrep2(
        int     rc, err, i;
        ber_len_t       len;
 
-       int rc_efree = 1;
-
        struct berval   *psub;
        Modifications   *modlist = NULL;
 
@@ -614,7 +708,15 @@ do_syncrep2(
                                rctrlp = *rctrls;
                                ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
                                ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
-                               /* FIXME: what if syncUUID is NULL or empty? */
+                               /* FIXME: what if syncUUID is NULL or empty?
+                                * (happens with back-sql...) */
+                               if ( BER_BVISEMPTY( &syncUUID ) ) {
+                                       Debug( LDAP_DEBUG_ANY, "do_syncrep2: "
+                                               "got empty syncUUID\n", 0, 0, 0 );
+                                       ldap_controls_free( rctrls );
+                                       rc = -1;
+                                       goto done;
+                               }
                                if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
                                        ber_scanf( ber, /*"{"*/ "m}", &cookie );
                                        if ( !BER_BVISNULL( &cookie ) ) {
@@ -626,30 +728,28 @@ do_syncrep2(
                                                slap_parse_sync_cookie( &syncCookie, NULL );
                                        }
                                }
-                               if ( si->si_syncdata ) {
-                                       entry = NULL;
+                               rc = 0;
+                               if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
                                        modlist = NULL;
-                                       if ( syncrepl_message_to_op( si, op, msg ) == LDAP_SUCCESS &&
+                                       if (( rc = syncrepl_message_to_op( si, op, msg )) == LDAP_SUCCESS &&
                                                !BER_BVISNULL( &syncCookie.ctxcsn ) ) {
-                                               syncrepl_updateCookie( si, op, psub, &syncCookie );
+                                               rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
                                        }
-                               } else if ( syncrepl_message_to_entry( si, op, msg,
-                                       &modlist, &entry, syncstate ) == LDAP_SUCCESS ) {
-                                       rc_efree = syncrepl_entry( si, op, entry, &modlist,
-                                               syncstate, &syncUUID, &syncCookie_req, &syncCookie.ctxcsn );
-                                       if ( !BER_BVISNULL( &syncCookie.ctxcsn ) )
-                                       {
-                                               syncrepl_updateCookie( si, op, psub, &syncCookie );
+                               } else if (( rc = syncrepl_message_to_entry( si, op, msg,
+                                       &modlist, &entry, syncstate )) == LDAP_SUCCESS ) {
+                                       if (( rc = syncrepl_entry( si, op, entry, &modlist,
+                                               syncstate, &syncUUID, &syncCookie_req,
+                                               &syncCookie.ctxcsn )) == LDAP_SUCCESS &&
+                                               !BER_BVISNULL( &syncCookie.ctxcsn ) ) {
+                                               rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
                                        }
                                }
                                ldap_controls_free( rctrls );
                                if ( modlist ) {
                                        slap_mods_free( modlist, 1 );
                                }
-                               if ( rc_efree && entry ) {
-                                       entry_free( entry );
-                               }
-                               entry = NULL;
+                               if ( rc )
+                                       goto done;
                                break;
 
                        case LDAP_RES_SEARCH_REFERENCE:
@@ -662,6 +762,19 @@ do_syncrep2(
                                        "do_syncrep2: LDAP_RES_SEARCH_RESULT\n", 0, 0, 0 );
                                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;
+                                       }
+                                       rc = err;
+                                       goto done;
+                               }
                                if ( rctrls ) {
                                        rctrlp = *rctrls;
                                        ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
@@ -698,7 +811,7 @@ do_syncrep2(
                                if ( !BER_BVISNULL( &syncCookie.ctxcsn ) &&
                                        match < 0 && err == LDAP_SUCCESS )
                                {
-                                       syncrepl_updateCookie( si, op, psub, &syncCookie );
+                                       rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
                                }
                                if ( rctrls ) {
                                        ldap_controls_free( rctrls );
@@ -717,7 +830,13 @@ do_syncrep2(
                                                si->si_presentlist = NULL;
                                        }
                                }
-                               rc = -2;
+                               if ( err == LDAP_SUCCESS
+                                       && si->si_logstate == SYNCLOG_FALLBACK ) {
+                                       si->si_logstate = SYNCLOG_LOGGING;
+                                       rc = LDAP_SYNC_REFRESH_REQUIRED;
+                               } else {
+                                       rc = -2;
+                               }
                                goto done;
                                break;
 
@@ -835,7 +954,7 @@ do_syncrep2(
                                        if ( !BER_BVISNULL( &syncCookie.ctxcsn ) &&
                                                match < 0 )
                                        {
-                                               syncrepl_updateCookie( si, op, psub, &syncCookie);
+                                               rc = syncrepl_updateCookie( si, op, psub, &syncCookie);
                                        }
 
                                        if ( si->si_refreshPresent == 1 ) {
@@ -890,7 +1009,13 @@ done:
 
        if ( res ) ldap_msgfree( res );
 
-       if ( rc && si->si_ld ) {
+       if ( rc && rc != LDAP_SYNC_REFRESH_REQUIRED && si->si_ld ) {
+               if ( si->si_conn_setup ) {
+                       ber_socket_t s;
+                       ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
+                       connection_client_stop( s );
+                       si->si_conn_setup = 0;
+               }
                ldap_unbind_ext( si->si_ld, NULL, NULL );
                si->si_ld = NULL;
        }
@@ -906,10 +1031,9 @@ do_syncrepl(
        struct re_s* rtask = arg;
        syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
        Connection conn = {0};
-       char opbuf[OPERATION_BUFFER_SIZE];
+       OperationBuffer opbuf;
        Operation *op;
        int rc = LDAP_SUCCESS;
-       int first = 0;
        int dostop = 0;
        ber_socket_t s;
        int i, defer = 1;
@@ -933,8 +1057,11 @@ do_syncrepl(
 
        if ( slapd_shutdown ) {
                if ( si->si_ld ) {
-                       ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
-                       connection_client_stop( s );
+                       if ( si->si_conn_setup ) {
+                               ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
+                               connection_client_stop( s );
+                               si->si_conn_setup = 0;
+                       }
                        ldap_unbind_ext( si->si_ld, NULL, NULL );
                        si->si_ld = NULL;
                }
@@ -942,7 +1069,7 @@ do_syncrepl(
                return NULL;
        }
 
-       op = (Operation *)opbuf;
+       op = (Operation *) &opbuf;
        connection_fake_init( &conn, op, ctx );
 
        /* use global malloc for now */
@@ -956,29 +1083,35 @@ do_syncrepl(
 
        /* Establish session, do search */
        if ( !si->si_ld ) {
-               first = 1;
                si->si_refreshDelete = 0;
                si->si_refreshPresent = 0;
                rc = do_syncrep1( op, si );
        }
 
+reload:
        /* Process results */
        if ( rc == LDAP_SUCCESS ) {
                ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
 
                rc = do_syncrep2( op, si );
+               if ( rc == LDAP_SYNC_REFRESH_REQUIRED ) {
+                       rc = ldap_sync_search( si, op->o_tmpmemctx );
+                       goto reload;
+               }
 
                if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
                        /* If we succeeded, enable the connection for further listening.
                         * If we failed, tear down the connection and reschedule.
                         */
                        if ( rc == LDAP_SUCCESS ) {
-                               if ( first ) {
-                                       rc = connection_client_setup( s, do_syncrepl, arg );
-                               } else {
+                               if ( si->si_conn_setup ) {
                                        connection_client_enable( s );
+                               } else {
+                                       rc = connection_client_setup( s, do_syncrepl, arg );
+                                       if ( rc == 0 )
+                                               si->si_conn_setup = 1;
                                } 
-                       } else if ( !first ) {
+                       } else if ( si->si_conn_setup ) {
                                dostop = 1;
                        }
                } else {
@@ -1009,20 +1142,20 @@ do_syncrepl(
                rtask->interval.tv_sec = si->si_interval;
                ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
                if ( si->si_retrynum ) {
-                       for ( i = 0; si->si_retrynum_init[i] != -2; i++ ) {
+                       for ( i = 0; si->si_retrynum_init[i] != RETRYNUM_TAIL; i++ ) {
                                si->si_retrynum[i] = si->si_retrynum_init[i];
                        }
-                       si->si_retrynum[i] = -2;
+                       si->si_retrynum[i] = RETRYNUM_TAIL;
                }
        } else {
                for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
-                       if ( si->si_retrynum[i] == -1  || si->si_retrynum[i] == -2 )
+                       if ( si->si_retrynum[i] == RETRYNUM_FOREVER || si->si_retrynum[i] == RETRYNUM_TAIL )
                                break;
                }
 
-               if ( !si->si_retrynum || si->si_retrynum[i] == -2 ) {
+               if ( !si->si_retrynum || si->si_retrynum[i] == RETRYNUM_TAIL ) {
                        ldap_pvt_runqueue_remove( &slapd_rq, rtask );
-               } else if ( si->si_retrynum[i] >= -1 ) {
+               } else if ( RETRYNUM_VALID( si->si_retrynum[i] ) ) {
                        if ( si->si_retrynum[i] > 0 )
                                si->si_retrynum[i]--;
                        rtask->interval.tv_sec = si->si_retryinterval[i];
@@ -1037,33 +1170,6 @@ do_syncrepl(
        return NULL;
 }
 
-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;
-} logschema;
-
-static logschema changelog_sc = {
-       BER_BVC("targetDN"),
-       BER_BVC("changeType"),
-       BER_BVC("changes"),
-       BER_BVC("newRDN"),
-       BER_BVC("deleteOldRDN"),
-       BER_BVC("newSuperior")
-};
-
-static logschema accesslog_sc = {
-       BER_BVC("reqDN"),
-       BER_BVC("reqType"),
-       BER_BVC("reqMod"),
-       BER_BVC("reqNewRDN"),
-       BER_BVC("reqDeleteOldRDN"),
-       BER_BVC("reqNewSuperior")
-};
-
 static slap_verbmasks modops[] = {
        { BER_BVC("add"), LDAP_REQ_ADD },
        { BER_BVC("delete"), LDAP_REQ_DELETE },
@@ -1092,7 +1198,7 @@ syncrepl_accesslog_mods(
                ad = NULL;
                bv = vals[i];
 
-               colon = strchr( bv.bv_val, ':' );
+               colon = ber_bvchr( &bv, ':' );
                if ( !colon )
                        continue;       /* invalid */
                bv.bv_len = colon - bv.bv_val;
@@ -1129,10 +1235,12 @@ syncrepl_accesslog_mods(
                        *modtail = mod;
                        modtail = &mod->sml_next;
                }
-               bv.bv_val = colon + 3;
-               bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val );
-               ber_dupbv( &bv2, &bv );
-               ber_bvarray_add( &mod->sml_values, &bv2 );
+               if ( colon[2] == ' ' ) {
+                       bv.bv_val = colon + 3;
+                       bv.bv_len = vals[i].bv_len - ( bv.bv_val - vals[i].bv_val );
+                       ber_dupbv( &bv2, &bv );
+                       ber_bvarray_add( &mod->sml_values, &bv2 );
+               }
        }
        return modlist;
 }
@@ -1227,6 +1335,9 @@ syncrepl_message_to_op(
                                deleteOldRdn = 1;
                } else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup )) {
                        sup = bvals[0];
+               } else if ( !ber_bvstrcasecmp( &bv,
+                       &slap_schema.si_ad_entryCSN->ad_cname )) {
+                       slap_queue_csn( op, bvals );
                }
                ch_free( bvals );
        }
@@ -1263,11 +1374,17 @@ syncrepl_message_to_op(
                                        text, 0, 0 );
                        } else {
                                rc = op->o_bd->be_add( op, &rs );
+                               Debug( LDAP_DEBUG_SYNC,
+                                       "syncrepl_message_to_op: be_add %s (%d)\n", 
+                                       op->o_req_dn.bv_val, rc, 0 );
                        }
                        be_entry_release_w( op, op->ora_e );
                } else {
                        op->orm_modlist = modlist;
                        rc = op->o_bd->be_modify( op, &rs );
+                       Debug( LDAP_DEBUG_SYNC,
+                               "syncrepl_message_to_op: be_modify %s (%d)\n", 
+                               op->o_req_dn.bv_val, rc, 0 );
                }
                break;
        case LDAP_REQ_MODRDN:
@@ -1286,10 +1403,24 @@ syncrepl_message_to_op(
                op->orr_newrdn = prdn;
                op->orr_nnewrdn = nrdn;
                op->orr_deleteoldrdn = deleteOldRdn;
+               op->orr_modlist = NULL;
+               if ( slap_modrdn2mods( op, &rs ))
+                       goto done;
                rc = op->o_bd->be_modrdn( op, &rs );
+               slap_mods_free( op->orr_modlist, 1 );
+               Debug( LDAP_DEBUG_SYNC,
+                       "syncrepl_message_to_op: be_modrdn %s (%d)\n", 
+                       op->o_req_dn.bv_val, rc, 0 );
+               break;
+       case LDAP_REQ_DELETE:
+               rc = op->o_bd->be_delete( op, &rs );
+               Debug( LDAP_DEBUG_SYNC,
+                       "syncrepl_message_to_op: be_delete %s (%d)\n", 
+                       op->o_req_dn.bv_val, rc, 0 );
                break;
        }
 done:
+       slap_graduate_commit_csn( op );
        if ( modlist )
                slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
        if ( !BER_BVISNULL( &rdn )) {
@@ -1364,7 +1495,6 @@ syncrepl_message_to_entry(
        }
 
        e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
-       *entry = e;
        e->e_name = op->o_req_dn;
        e->e_nname = op->o_req_ndn;
 
@@ -1440,9 +1570,10 @@ done:
        if ( rc != LDAP_SUCCESS ) {
                if ( e ) {
                        entry_free( e );
-                       *entry = e = NULL;
+                       e = NULL;
                }
        }
+       *entry = e;
 
        return rc;
 }
@@ -1505,7 +1636,6 @@ syncrepl_entry(
        AttributeAssertion ava = { NULL, BER_BVNULL };
 #endif
        int rc = LDAP_SUCCESS;
-       int ret = LDAP_SUCCESS;
 
        struct berval pdn = BER_BVNULL;
        dninfo dni = {0};
@@ -1557,16 +1687,21 @@ syncrepl_entry(
        f.f_choice = LDAP_FILTER_EQUALITY;
        f.f_ava = &ava;
        ava.aa_desc = slap_schema.si_ad_entryUUID;
-       (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
        ava.aa_value = *syncUUID;
+
+       (void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
+       if ( syncuuid_bv ) {
+               Debug( LDAP_DEBUG_SYNC, "syncrepl_entry: inserted UUID %s\n",
+                       syncUUID_strrep.bv_val, 0, 0 );
+       }
        op->ors_filter = &f;
 
-       op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID->bv_len;
+       op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID_strrep.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->bv_val, syncUUID->bv_len );
+               syncUUID_strrep.bv_val, syncUUID_strrep.bv_len );
        op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
        op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
 
@@ -1637,6 +1772,18 @@ syncrepl_entry(
        switch ( syncstate ) {
        case LDAP_SYNC_ADD:
        case LDAP_SYNC_MODIFY:
+               {
+                       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.
+                                * What happens if already present?
+                                */
+                               assert( BER_BVISNULL( &op->o_csn ) );
+                               op->o_csn = a->a_vals[0];
+                       }
+               }
 retry_add:;
                if ( BER_BVISNULL( &dni.dn )) {
 
@@ -1652,15 +1799,15 @@ retry_add:;
                        switch ( rs_add.sr_err ) {
                        case LDAP_SUCCESS:
                                be_entry_release_w( op, entry );
-                               ret = 0;
+                               entry = NULL;
                                break;
 
                        case LDAP_REFERRAL:
                        /* we assume that LDAP_NO_SUCH_OBJECT is returned 
                         * only if the suffix entry is not present */
                        case LDAP_NO_SUCH_OBJECT:
-                               syncrepl_add_glue( op, entry );
-                               ret = 0;
+                               rc = syncrepl_add_glue( op, entry );
+                               entry = NULL;
                                break;
 
                        /* if an entry was added via syncrepl_add_glue(),
@@ -1696,7 +1843,8 @@ retry_add:;
                                        cb2.sc_response = dn_callback;
                                        cb2.sc_private = &dni;
 
-                                       be->be_search( &op2, &rs2 );
+                                       rc = be->be_search( &op2, &rs2 );
+                                       if ( rc ) goto done;
 
                                        retry = 0;
                                        goto retry_add;
@@ -1707,7 +1855,6 @@ retry_add:;
                                Debug( LDAP_DEBUG_ANY,
                                        "syncrepl_entry : be_add failed (%d)\n",
                                        rs_add.sr_err, 0, 0 );
-                               ret = 1;
                                break;
                        }
                        goto done;
@@ -1724,13 +1871,18 @@ retry_add:;
 
                        dnParent( &dni.ndn, &noldp );
                        dnParent( &entry->e_nname, &nnewp );
-                       if ( !dn_match( &noldp, &newp )) {
+                       if ( !dn_match( &noldp, &nnewp )) {
                                dnParent( &entry->e_name, &newp );
                                op->orr_newSup = &newp;
                                op->orr_nnewSup = &nnewp;
                        }
                        op->orr_deleteoldrdn = 0;
+                       op->orr_modlist = NULL;
+                       if (( rc = slap_modrdn2mods( op, &rs_modify ))) {
+                               goto done;
+                       }
                        rc = be->be_modrdn( op, &rs_modify );
+                       slap_mods_free( op->orr_modlist, 1 );
                        Debug( LDAP_DEBUG_SYNC,
                                        "syncrepl_entry: %s (%d)\n", 
                                        "be_modrdn", rc, 0 );
@@ -1738,7 +1890,6 @@ retry_add:;
                                op->o_req_dn = entry->e_name;
                                op->o_req_ndn = entry->e_nname;
                        } else {
-                               ret = 1;
                                goto done;
                        }
                }
@@ -1804,7 +1955,6 @@ retry_add:;
                                        rs_modify.sr_err, 0, 0 );
                        }
                }
-               ret = 1;
                goto done;
        case LDAP_SYNC_DELETE :
                if ( !BER_BVISNULL( &dni.dn )) {
@@ -1832,17 +1982,15 @@ retry_add:;
                                }
                        }
                }
-               ret = 0;
                goto done;
 
        default :
                Debug( LDAP_DEBUG_ANY,
                        "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
-               ret = 1;
                goto done;
        }
 
-done :
+done:
        if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
                slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
                BER_BVZERO( &syncUUID_strrep );
@@ -1856,7 +2004,10 @@ done :
        if ( !BER_BVISNULL( &dni.dn ) ) {
                op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
        }
-       return ret;
+       if ( entry )
+               entry_free( entry );
+       BER_BVZERO( &op->o_csn );
+       return rc;
 }
 
 static struct berval gcbva[] = {
@@ -1920,8 +2071,12 @@ syncrepl_del_nonpresent(
 
                for (i=0; uuids[i].bv_val; i++) {
                        op->ors_slimit = 1;
+                       slap_uuidstr_from_normalized( &uf.f_av_value, &uuids[i],
+                               op->o_tmpmemctx );
+                       filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
                        uf.f_av_value = uuids[i];
                        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 {
@@ -1959,6 +2114,9 @@ syncrepl_del_nonpresent(
                        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: be_delete %s (%d)\n", 
+                               op->o_req_dn.bv_val, rc, 0 );
 
                        if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
                                Modifications mod1, mod2;
@@ -2009,12 +2167,15 @@ syncrepl_del_nonpresent(
                }
 
                slap_graduate_commit_csn( op );
+
+               op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
+               BER_BVZERO( &op->o_csn );
        }
 
        return;
 }
 
-void
+int
 syncrepl_add_glue(
        Operation* op,
        Entry *e )
@@ -2025,11 +2186,12 @@ syncrepl_add_glue(
        int     rc;
        int suffrdns;
        int i;
-       struct berval dn = {0, NULL};
-       struct berval ndn = {0, NULL};
+       struct berval dn = BER_BVNULL;
+       struct berval ndn = BER_BVNULL;
        Entry   *glue;
        SlapReply       rs_add = {REP_RESULT};
-       char    *ptr, *comma;
+       struct berval   ptr, nptr;
+       char            *comma;
 
        op->o_tag = LDAP_REQ_ADD;
        op->o_callback = &cb;
@@ -2041,8 +2203,10 @@ syncrepl_add_glue(
 
        /* count RDNs in suffix */
        if ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
-               for ( i = 0, ptr = be->be_nsuffix[0].bv_val; ptr; ptr = strchr( ptr, ',' ) ) {
-                       ptr++;
+               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;
@@ -2052,23 +2216,34 @@ syncrepl_add_glue(
        }
 
        /* Start with BE suffix */
-       for ( i = 0, ptr = NULL; i < suffrdns; i++ ) {
-               comma = strrchr( dn.bv_val, ',' );
-               if ( ptr ) *ptr = ',';
-               if ( comma ) *comma = '\0';
-               ptr = comma;
+       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 ( ptr ) {
-               *ptr++ = ',';
-               dn.bv_len -= ptr - dn.bv_val;
-               dn.bv_val = ptr;
+       
+       if ( !BER_BVISEMPTY( &ptr ) ) {
+               dn.bv_len -= ptr.bv_len + 1;
+               dn.bv_val += ptr.bv_len + 1;
        }
+
        /* 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 ) {
@@ -2110,23 +2285,28 @@ syncrepl_add_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 */
-               for (ptr = dn.bv_val-2; ptr > e->e_name.bv_val && *ptr != ','; ptr--) {
-                       /* empty */
-               }
-               if ( ptr == e->e_name.bv_val ) break;
-               dn.bv_val = ++ptr;
-               dn.bv_len = e->e_name.bv_len - (ptr-e->e_name.bv_val);
-               for( ptr = ndn.bv_val-2;
-                       ptr > e->e_nname.bv_val && *ptr != ',';
-                       ptr--)
-               {
-                       /* empty */
+               comma = ber_bvrchr( &ptr, ',' );
+               if ( comma == NULL ) {
+                       break;
                }
-               ndn.bv_val = ++ptr;
-               ndn.bv_len = e->e_nname.bv_len - (ptr-e->e_nname.bv_val);
+               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);
        }
 
        op->o_req_dn = e->e_name;
@@ -2139,10 +2319,10 @@ syncrepl_add_glue(
                entry_free( e );
        }
 
-       return;
+       return rc;
 }
 
-static void
+static int
 syncrepl_updateCookie(
        syncinfo_t *si,
        Operation *op,
@@ -2158,18 +2338,14 @@ syncrepl_updateCookie(
        slap_callback cb = { NULL };
        SlapReply       rs_modify = {REP_RESULT};
 
-       slap_sync_cookie_free( &si->si_syncCookie, 0 );
-       slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
-
        mod.sml_op = LDAP_MOD_REPLACE;
        mod.sml_desc = slap_schema.si_ad_contextCSN;
        mod.sml_type = mod.sml_desc->ad_cname;
        mod.sml_values = vals;
-       vals[0] = si->si_syncCookie.ctxcsn;
-       vals[1].bv_val = NULL;
-       vals[1].bv_len = 0;
+       vals[0] = syncCookie->ctxcsn;
+       BER_BVZERO( &vals[1] );
 
-       slap_queue_csn( op, &si->si_syncCookie.ctxcsn );
+       slap_queue_csn( op, &syncCookie->ctxcsn );
 
        op->o_tag = LDAP_REQ_MODIFY;
 
@@ -2188,14 +2364,20 @@ syncrepl_updateCookie(
        rc = be->be_modify( op, &rs_modify );
        op->o_msgid = 0;
 
-       if ( rs_modify.sr_err != LDAP_SUCCESS ) {
+       if ( rs_modify.sr_err == LDAP_SUCCESS ) {
+               slap_sync_cookie_free( &si->si_syncCookie, 0 );
+               slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
+       } else {
                Debug( LDAP_DEBUG_ANY,
                        "be_modify failed (%d)\n", rs_modify.sr_err, 0, 0 );
        }
 
        slap_graduate_commit_csn( op );
 
-       return;
+       op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
+       BER_BVZERO( &op->o_csn );
+
+       return rc;
 }
 
 static int
@@ -2316,10 +2498,14 @@ nonpresent_callback(
                if ( !(si->si_refreshDelete & NP_DELETE_ONE )) {
                        a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
 
-                       if ( a == NULL ) return 0;
+                       if ( a )
+                               present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
+                                       syncuuid_cmp );
+
+                       Debug( LDAP_DEBUG_SYNC, "nonpresent_callback: UUID %s, dn %s, %sfound\n",
+                               a ? a->a_vals[0].bv_val : "<missing>", rs->sr_entry->e_name.bv_val, present_uuid ? "" : "not " );
 
-                       present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
-                               syncuuid_cmp );
+                       if ( a == NULL ) return 0;
                }
 
                if ( present_uuid == NULL ) {
@@ -2438,11 +2624,26 @@ avl_ber_bvfree( void *v_bv )
 void
 syncinfo_free( syncinfo_t *sie )
 {
-       ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
-       if ( !BER_BVISNULL( &sie->si_provideruri ) ) {
-               ch_free( sie->si_provideruri.bv_val );
+       if ( sie->si_ld ) {
+               if ( sie->si_conn_setup ) {
+                       ber_socket_t s;
+                       ldap_get_option( sie->si_ld, LDAP_OPT_DESC, &s );
+                       connection_client_stop( s );
+                       sie->si_conn_setup = 0;
+               }
+               ldap_unbind_ext( sie->si_ld, NULL, NULL );
+       }
+
+       /* re-fetch it, in case it was already removed */
+       sie->si_re = ldap_pvt_runqueue_find( &slapd_rq, do_syncrepl, sie );
+       if ( sie->si_re ) {
+               if ( ldap_pvt_runqueue_isrunning( &slapd_rq, sie->si_re ) )
+                       ldap_pvt_runqueue_stoptask( &slapd_rq, sie->si_re );
+               ldap_pvt_runqueue_remove( &slapd_rq, sie->si_re );
        }
 
+       ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
+
        bindconf_free( &sie->si_bindconf );
 
        if ( sie->si_filterstr.bv_val ) {
@@ -2496,9 +2697,6 @@ syncinfo_free( syncinfo_t *sie )
        if ( sie->si_presentlist ) {
            avl_free( sie->si_presentlist, avl_ber_bvfree );
        }
-       if ( sie->si_ld ) {
-               ldap_ld_free( sie->si_ld, 1, NULL, NULL );
-       }
        while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist )) {
                struct nonpresent_entry* npe;
                npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
@@ -2539,6 +2737,8 @@ syncinfo_free( syncinfo_t *sie )
 #define SYNCDATASTR            "syncdata"
 
 /* FIXME: undocumented */
+#define        LOGBASESTR      "logbase"
+#define LOGFILTERSTR   "logfilter"
 #define OLDAUTHCSTR            "bindprincipal"
 #define EXATTRSSTR             "exattrs"
 #define MANAGEDSAITSTR         "manageDSAit"
@@ -2553,10 +2753,11 @@ syncinfo_free( syncinfo_t *sie )
 
 /* mandatory */
 #define GOT_ID                 0x0001
-#define GOT_PROVIDER           0x0002
+#define GOT_PROVIDER   0x0002
+#define        GOT_BASE                0x0004
 
 /* check */
-#define GOT_ALL                        (GOT_ID|GOT_PROVIDER)
+#define GOT_ALL                        (GOT_ID|GOT_PROVIDER|GOT_BASE)
 
 static struct {
        struct berval key;
@@ -2565,10 +2766,9 @@ static struct {
        { BER_BVC("base"), LDAP_SCOPE_BASE },
        { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
        { BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL },   /* OpenLDAP extension */
-#ifdef LDAP_SCOPE_SUBORDINATE
        { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
+       { BER_BVC("subord"), LDAP_SCOPE_SUBORDINATE },
        { BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
-#endif
        { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
        { BER_BVC("subtree"), LDAP_SCOPE_SUBTREE },     /* OpenLDAP extension */
        { BER_BVNULL, 0 }
@@ -2583,40 +2783,46 @@ static slap_verbmasks datamodes[] = {
 
 static int
 parse_syncrepl_line(
-       char            **cargv,
-       int             cargc,
-       syncinfo_t      *si
-)
+       ConfigArgs      *c,
+       syncinfo_t      *si )
 {
        int     gots = 0;
        int     i;
        char    *val;
 
-       for ( i = 1; i < cargc; i++ ) {
-               if ( !strncasecmp( cargv[ i ], IDSTR "=",
+       for ( i = 1; i < c->argc; i++ ) {
+               if ( !strncasecmp( c->argv[ i ], IDSTR "=",
                                        STRLENOF( IDSTR "=" ) ) )
                {
                        int tmp;
                        /* '\0' string terminator accounts for '=' */
-                       val = cargv[ i ] + STRLENOF( IDSTR "=" );
-                       tmp= atoi( val );
+                       val = c->argv[ i ] + STRLENOF( IDSTR "=" );
+                       if ( lutil_atoi( &tmp, val ) != 0 ) {
+                               snprintf( c->msg, sizeof( c->msg ),
+                                       "Error: parse_syncrepl_line: "
+                                       "unable to parse syncrepl id \"%s\"", val );
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
+                               return -1;
+                       }
                        if ( tmp >= 1000 || tmp < 0 ) {
-                               fprintf( stderr, "Error: parse_syncrepl_line: "
-                                        "syncrepl id %d is out of range [0..999]\n", tmp );
+                               snprintf( c->msg, sizeof( c->msg ),
+                                       "Error: parse_syncrepl_line: "
+                                       "syncrepl id %d is out of range [0..999]", tmp );
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                                return -1;
                        }
                        si->si_rid = tmp;
                        gots |= GOT_ID;
-               } else if ( !strncasecmp( cargv[ i ], PROVIDERSTR "=",
+               } else if ( !strncasecmp( c->argv[ i ], PROVIDERSTR "=",
                                        STRLENOF( PROVIDERSTR "=" ) ) )
                {
-                       val = cargv[ i ] + STRLENOF( PROVIDERSTR "=" );
-                       ber_str2bv( val, 0, 1, &si->si_provideruri );
+                       val = c->argv[ i ] + STRLENOF( PROVIDERSTR "=" );
+                       ber_str2bv( val, 0, 1, &si->si_bindconf.sb_uri );
                        gots |= GOT_PROVIDER;
-               } else if ( !strncasecmp( cargv[ i ], SCHEMASTR "=",
+               } else if ( !strncasecmp( c->argv[ i ], SCHEMASTR "=",
                                        STRLENOF( SCHEMASTR "=" ) ) )
                {
-                       val = cargv[ i ] + 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" ) ) ) {
@@ -2624,35 +2830,64 @@ parse_syncrepl_line(
                        } else {
                                si->si_schemachecking = 1;
                        }
-               } else if ( !strncasecmp( cargv[ i ], FILTERSTR "=",
+               } else if ( !strncasecmp( c->argv[ i ], FILTERSTR "=",
                                        STRLENOF( FILTERSTR "=" ) ) )
                {
-                       val = cargv[ i ] + 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 );
-               } else if ( !strncasecmp( cargv[ i ], SEARCHBASESTR "=",
+               } 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 );
+               } else if ( !strncasecmp( c->argv[ i ], SEARCHBASESTR "=",
                                        STRLENOF( SEARCHBASESTR "=" ) ) )
                {
                        struct berval   bv;
                        int             rc;
 
-                       val = cargv[ i ] + STRLENOF( SEARCHBASESTR "=" );
+                       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 ) {
-                               fprintf( stderr, "Invalid base DN \"%s\": %d (%s)\n",
+                               snprintf( c->msg, sizeof( c->msg ),
+                                       "Invalid base DN \"%s\": %d (%s)",
                                        val, rc, ldap_err2string( rc ) );
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                                return -1;
                        }
-               } else if ( !strncasecmp( cargv[ i ], SCOPESTR "=",
+                       gots |= GOT_BASE;
+               } 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->msg, sizeof( c->msg ),
+                                       "Invalid logbase DN \"%s\": %d (%s)",
+                                       val, rc, ldap_err2string( rc ) );
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
+                               return -1;
+                       }
+               } else if ( !strncasecmp( c->argv[ i ], SCOPESTR "=",
                                        STRLENOF( SCOPESTR "=" ) ) )
                {
                        int j;
-                       val = cargv[ i ] + STRLENOF( SCOPESTR "=" );
+                       val = c->argv[ i ] + STRLENOF( SCOPESTR "=" );
                        for ( j=0; !BER_BVISNULL(&scopes[j].key); j++ ) {
                                if (!strcasecmp( val, scopes[j].key.bv_val )) {
                                        si->si_scope = scopes[j].val;
@@ -2660,18 +2895,20 @@ parse_syncrepl_line(
                                }
                        }
                        if ( BER_BVISNULL(&scopes[j].key) ) {
-                               fprintf( stderr, "Error: parse_syncrepl_line: "
-                                       "unknown scope \"%s\"\n", val);
+                               snprintf( c->msg, sizeof( c->msg ),
+                                       "Error: parse_syncrepl_line: "
+                                       "unknown scope \"%s\"", val);
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                                return -1;
                        }
-               } else if ( !strncasecmp( cargv[ i ], ATTRSONLYSTR "=",
-                                       STRLENOF( ATTRSONLYSTR "=" ) ) )
+               } else if ( !strncasecmp( c->argv[ i ], ATTRSONLYSTR,
+                                       STRLENOF( ATTRSONLYSTR ) ) )
                {
                        si->si_attrsonly = 1;
-               } else if ( !strncasecmp( cargv[ i ], ATTRSSTR "=",
+               } else if ( !strncasecmp( c->argv[ i ], ATTRSSTR "=",
                                        STRLENOF( ATTRSSTR "=" ) ) )
                {
-                       val = cargv[ i ] + STRLENOF( ATTRSSTR "=" );
+                       val = c->argv[ i ] + STRLENOF( ATTRSSTR "=" );
                        if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
                                char *attr_fname;
                                attr_fname = ch_strdup( val + STRLENOF(":include:") );
@@ -2704,15 +2941,15 @@ parse_syncrepl_line(
                                        return -1;
                                }
                        }
-               } else if ( !strncasecmp( cargv[ i ], EXATTRSSTR "=",
+               } else if ( !strncasecmp( c->argv[ i ], EXATTRSSTR "=",
                                        STRLENOF( EXATTRSSTR "=" ) ) )
                {
-                       val = cargv[ i ] + 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" );
+                                       si->si_exanlist, attr_fname, " ,\t" );
                                if ( si->si_exanlist == NULL ) {
                                        ch_free( attr_fname );
                                        return -1;
@@ -2724,85 +2961,101 @@ parse_syncrepl_line(
                                        return -1;
                                }
                        }
-               } else if ( !strncasecmp( cargv[ i ], TYPESTR "=",
+               } else if ( !strncasecmp( c->argv[ i ], TYPESTR "=",
                                        STRLENOF( TYPESTR "=" ) ) )
                {
-                       val = cargv[ i ] + STRLENOF( TYPESTR "=" );
+                       val = c->argv[ i ] + STRLENOF( TYPESTR "=" );
                        if ( !strncasecmp( val, "refreshOnly",
-                                               STRLENOF("refreshOnly") ))
+                                               STRLENOF("refreshOnly") ) )
                        {
-                               si->si_type = LDAP_SYNC_REFRESH_ONLY;
+                               si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
                        } else if ( !strncasecmp( val, "refreshAndPersist",
-                                               STRLENOF("refreshAndPersist") ))
+                                               STRLENOF("refreshAndPersist") ) )
                        {
-                               si->si_type = LDAP_SYNC_REFRESH_AND_PERSIST;
+                               si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_AND_PERSIST;
                                si->si_interval = 60;
                        } else {
-                               fprintf( stderr, "Error: parse_syncrepl_line: "
-                                       "unknown sync type \"%s\"\n", val);
+                               snprintf( c->msg, sizeof( c->msg ),
+                                       "Error: parse_syncrepl_line: "
+                                       "unknown sync type \"%s\"", val);
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                                return -1;
                        }
-               } else if ( !strncasecmp( cargv[ i ], INTERVALSTR "=",
+               } else if ( !strncasecmp( c->argv[ i ], INTERVALSTR "=",
                                        STRLENOF( INTERVALSTR "=" ) ) )
                {
-                       val = cargv[ i ] + STRLENOF( INTERVALSTR "=" );
+                       val = c->argv[ i ] + STRLENOF( INTERVALSTR "=" );
                        if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
                                si->si_interval = 0;
-                       } else {
-                               char *hstr;
-                               char *mstr;
-                               char *dstr;
-                               char *sstr;
-                               int dd, hh, mm, ss;
-                               dstr = val;
-                               hstr = strchr( dstr, ':' );
-                               if ( hstr == NULL ) {
-                                       fprintf( stderr, "Error: parse_syncrepl_line: "
-                                               "invalid interval \"%s\"\n", val );
+                       } else if ( strchr( val, ':' ) != NULL ) {
+                               char *next, *ptr = val;
+                               unsigned dd, hh, mm, ss;
+
+                               /* NOTE: the test for ptr[ 0 ] == '-'
+                                * should go before the call to strtoul() */
+                               dd = strtoul( ptr, &next, 10 );
+                               if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' ) {
+                                       snprintf( c->msg, sizeof( c->msg ),
+                                               "Error: parse_syncrepl_line: "
+                                               "invalid interval \"%s\", unable to parse days", val );
+                                       Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                                        return -1;
                                }
-                               *hstr++ = '\0';
-                               mstr = strchr( hstr, ':' );
-                               if ( mstr == NULL ) {
-                                       fprintf( stderr, "Error: parse_syncrepl_line: "
-                                               "invalid interval \"%s\"\n", val );
+                               ptr = next + 1;
+                               hh = strtoul( ptr, &next, 10 );
+                               if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || hh > 24 ) {
+                                       snprintf( c->msg, sizeof( c->msg ),
+                                               "Error: parse_syncrepl_line: "
+                                               "invalid interval \"%s\", unable to parse hours", val );
+                                       Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                                        return -1;
                                }
-                               *mstr++ = '\0';
-                               sstr = strchr( mstr, ':' );
-                               if ( sstr == NULL ) {
-                                       fprintf( stderr, "Error: parse_syncrepl_line: "
-                                               "invalid interval \"%s\"\n", val );
+                               ptr = next + 1;
+                               mm = strtoul( ptr, &next, 10 );
+                               if ( ptr[ 0 ] == '-' || next == ptr || next[0] != ':' || mm > 60 ) {
+                                       snprintf( c->msg, sizeof( c->msg ),
+                                               "Error: parse_syncrepl_line: "
+                                               "invalid interval \"%s\", unable to parse minutes", val );
+                                       Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                                        return -1;
                                }
-                               *sstr++ = '\0';
-
-                               dd = atoi( dstr );
-                               hh = atoi( hstr );
-                               mm = atoi( mstr );
-                               ss = atoi( sstr );
-                               if (( hh > 24 ) || ( hh < 0 ) ||
-                                       ( mm > 60 ) || ( mm < 0 ) ||
-                                       ( ss > 60 ) || ( ss < 0 ) || ( dd < 0 )) {
-                                       fprintf( stderr, "Error: parse_syncrepl_line: "
-                                               "invalid interval \"%s\"\n", val );
+                               ptr = next + 1;
+                               ss = strtoul( ptr, &next, 10 );
+                               if ( ptr[ 0 ] == '-' || next == ptr || next[0] != '\0' || ss > 60 ) {
+                                       snprintf( c->msg, sizeof( c->msg ),
+                                               "Error: parse_syncrepl_line: "
+                                               "invalid interval \"%s\", unable to parse seconds", val );
+                                       Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                                        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->msg, sizeof( c->msg ),
+                                               "Error: parse_syncrepl_line: "
+                                               "invalid interval \"%s\"", val );
+                                       Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
+                                       return -1;
+                               }
+                               si->si_interval = (time_t)t;
                        }
                        if ( si->si_interval < 0 ) {
-                               fprintf( stderr, "Error: parse_syncrepl_line: "
-                                       "invalid interval \"%ld\"\n",
+                               snprintf( c->msg, sizeof( c->msg ),
+                                       "Error: parse_syncrepl_line: "
+                                       "invalid interval \"%ld\"",
                                        (long) si->si_interval);
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                                return -1;
                        }
-               } else if ( !strncasecmp( cargv[ i ], RETRYSTR "=",
+               } else if ( !strncasecmp( c->argv[ i ], RETRYSTR "=",
                                        STRLENOF( RETRYSTR "=" ) ) )
                {
                        char **retry_list;
                        int j, k, n;
 
-                       val = cargv[ i ] + STRLENOF( RETRYSTR "=" );
+                       val = c->argv[ i ] + STRLENOF( RETRYSTR "=" );
                        retry_list = (char **) ch_calloc( 1, sizeof( char * ));
                        retry_list[0] = NULL;
 
@@ -2811,67 +3064,127 @@ parse_syncrepl_line(
                        for ( k = 0; retry_list && retry_list[k]; k++ ) ;
                        n = k / 2;
                        if ( k % 2 ) {
-                               fprintf( stderr,
-                                               "Error: incomplete syncrepl retry list\n" );
+                               snprintf( c->msg, sizeof( c->msg ),
+                                       "Error: incomplete syncrepl retry list" );
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                                for ( k = 0; retry_list && retry_list[k]; k++ ) {
                                        ch_free( retry_list[k] );
                                }
                                ch_free( retry_list );
-                               exit( EXIT_FAILURE );
+                               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++ ) {
-                               si->si_retryinterval[j] = atoi( retry_list[j*2] );
+                               unsigned long   t;
+                               if ( lutil_atoul( &t, retry_list[j*2] ) != 0 ) {
+                                       snprintf( c->msg, sizeof( c->msg ),
+                                               "Error: invalid retry interval \"%s\" (#%d)",
+                                               retry_list[j*2], j );
+                                       Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
+                                       /* do some cleanup */
+                                       return 1;
+                               }
+                               si->si_retryinterval[j] = (time_t)t;
                                if ( *retry_list[j*2+1] == '+' ) {
-                                       si->si_retrynum_init[j] = -1;
-                                       si->si_retrynum[j] = -1;
+                                       si->si_retrynum_init[j] = RETRYNUM_FOREVER;
+                                       si->si_retrynum[j] = RETRYNUM_FOREVER;
                                        j++;
                                        break;
                                } else {
-                                       si->si_retrynum_init[j] = atoi( retry_list[j*2+1] );
-                                       si->si_retrynum[j] = atoi( retry_list[j*2+1] );
+                                       if ( lutil_atoi( &si->si_retrynum_init[j], retry_list[j*2+1] ) != 0
+                                                       || si->si_retrynum_init[j] <= 0 )
+                                       {
+                                               snprintf( c->msg, sizeof( c->msg ),
+                                                       "Error: invalid initial retry number \"%s\" (#%d)",
+                                                       retry_list[j*2+1], j );
+                                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
+                                               /* 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->msg, sizeof( c->msg ),
+                                                       "Error: invalid retry number \"%s\" (#%d)",
+                                                       retry_list[j*2+1], j );
+                                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
+                                               /* do some cleanup */
+                                               return 1;
+                                       }
                                }
                        }
-                       si->si_retrynum_init[j] = -2;
-                       si->si_retrynum[j] = -2;
+                       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 );
-               } else if ( !strncasecmp( cargv[ i ], MANAGEDSAITSTR "=",
+               } else if ( !strncasecmp( c->argv[ i ], MANAGEDSAITSTR "=",
                                        STRLENOF( MANAGEDSAITSTR "=" ) ) )
                {
-                       val = cargv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
-                       si->si_manageDSAit = atoi( val );
-               } else if ( !strncasecmp( cargv[ i ], SLIMITSTR "=",
+                       val = c->argv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
+                       if ( lutil_atoi( &si->si_manageDSAit, val ) != 0
+                               || si->si_manageDSAit < 0 || si->si_manageDSAit > 1 )
+                       {
+                               snprintf( c->msg, sizeof( c->msg ),
+                                       "invalid manageDSAit value \"%s\".\n",
+                                       val );
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
+                               return 1;
+                       }
+               } else if ( !strncasecmp( c->argv[ i ], SLIMITSTR "=",
                                        STRLENOF( SLIMITSTR "=") ) )
                {
-                       val = cargv[ i ] + STRLENOF( SLIMITSTR "=" );
-                       si->si_slimit = atoi( val );
-               } else if ( !strncasecmp( cargv[ i ], TLIMITSTR "=",
+                       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->msg, sizeof( c->msg ),
+                                       "invalid size limit value \"%s\".\n",
+                                       val );
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
+                               return 1;
+                       }
+               } else if ( !strncasecmp( c->argv[ i ], TLIMITSTR "=",
                                        STRLENOF( TLIMITSTR "=" ) ) )
                {
-                       val = cargv[ i ] + STRLENOF( TLIMITSTR "=" );
-                       si->si_tlimit = atoi( val );
-               } else if ( !strncasecmp( cargv[ i ], SYNCDATASTR "=",
+                       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->msg, sizeof( c->msg ),
+                                       "invalid time limit value \"%s\".\n",
+                                       val );
+                               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
+                               return 1;
+                       }
+               } else if ( !strncasecmp( c->argv[ i ], SYNCDATASTR "=",
                                        STRLENOF( SYNCDATASTR "=" ) ) )
                {
-                       val = cargv[ i ] + STRLENOF( SYNCDATASTR "=" );
+                       val = c->argv[ i ] + STRLENOF( SYNCDATASTR "=" );
                        si->si_syncdata = verb_to_mask( val, datamodes );
-               } else if ( bindconf_parse( cargv[i], &si->si_bindconf )) {
-                       fprintf( stderr, "Error: parse_syncrepl_line: "
-                               "unknown keyword \"%s\"\n", cargv[ i ] );
+               } else if ( bindconf_parse( c->argv[i], &si->si_bindconf ) ) {
+                       snprintf( c->msg, sizeof( c->msg ),
+                               "Error: parse_syncrepl_line: "
+                               "unknown keyword \"%s\"\n", c->argv[ i ] );
+                       Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                        return -1;
                }
        }
 
        if ( gots != GOT_ALL ) {
-               fprintf( stderr,
-                       "Error: Malformed \"syncrepl\" line in slapd config file" );
+               snprintf( c->msg, sizeof( c->msg ),
+                       "Error: Malformed \"syncrepl\" line in slapd config file, missing%s%s%s",
+                       gots & GOT_ID ? "" : " "IDSTR,
+                       gots & GOT_PROVIDER ? "" : " "PROVIDERSTR,
+                       gots & GOT_BASE ? "" : " "SEARCHBASESTR );
+               Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
                return -1;
        }
 
@@ -2880,17 +3193,14 @@ parse_syncrepl_line(
 
 static int
 add_syncrepl(
-       Backend *be,
-       char    **cargv,
-       int     cargc
-)
+       ConfigArgs *c )
 {
        syncinfo_t *si;
        int     rc = 0;
 
-       if ( !( be->be_search && be->be_add && be->be_modify && be->be_delete )) {
-               Debug( LDAP_DEBUG_ANY, "database %s does not support operations "
-                       "required for syncrepl\n", be->be_type, 0, 0 );
+       if ( !( c->be->be_search && c->be->be_add && c->be->be_modify && c->be->be_delete ) ) {
+               Debug( LDAP_DEBUG_ANY, "%s: database %s does not support operations "
+                       "required for syncrepl\n", c->log, c->be->be_type, 0 );
                return 1;
        }
        si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
@@ -2914,7 +3224,7 @@ add_syncrepl(
        si->si_allattrs = 0;
        si->si_allopattrs = 0;
        si->si_exattrs = NULL;
-       si->si_type = LDAP_SYNC_REFRESH_ONLY;
+       si->si_type = si->si_ctype = LDAP_SYNC_REFRESH_ONLY;
        si->si_interval = 86400;
        si->si_retryinterval = NULL;
        si->si_retrynum_init = NULL;
@@ -2922,18 +3232,19 @@ add_syncrepl(
        si->si_manageDSAit = 0;
        si->si_tlimit = 0;
        si->si_slimit = 0;
+       si->si_conn_setup = 0;
 
        si->si_presentlist = NULL;
        LDAP_LIST_INIT( &si->si_nonpresentlist );
        ldap_pvt_thread_mutex_init( &si->si_mutex );
 
-       rc = parse_syncrepl_line( cargv, cargc, si );
+       rc = parse_syncrepl_line( c, si );
 
        if ( rc == 0 ) {
-               si->si_be = be;
+               si->si_be = c->be;
                init_syncrepl( si );
                si->si_re = ldap_pvt_runqueue_insert( &slapd_rq, si->si_interval,
-                       do_syncrepl, si, "do_syncrepl", be->be_suffix[0].bv_val );
+                       do_syncrepl, si, "do_syncrepl", c->be->be_suffix[0].bv_val );
                if ( !si->si_re )
                        rc = -1;
        }
@@ -2944,12 +3255,12 @@ add_syncrepl(
        } else {
                Debug( LDAP_DEBUG_CONFIG,
                        "Config: ** successfully added syncrepl \"%s\"\n",
-                       BER_BVISNULL( &si->si_provideruri ) ?
-                       "(null)" : si->si_provideruri.bv_val, 0, 0 );
+                       BER_BVISNULL( &si->si_bindconf.sb_uri ) ?
+                       "(null)" : si->si_bindconf.sb_uri.bv_val, 0, 0 );
                if ( !si->si_schemachecking ) {
-                       SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
+                       SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
                }
-               be->be_syncinfo = si;
+               c->be->be_syncinfo = si;
                return 0;
        }
 }
@@ -2957,64 +3268,106 @@ add_syncrepl(
 static void
 syncrepl_unparse( syncinfo_t *si, struct berval *bv )
 {
-       struct berval bc;
+       struct berval bc, uri;
        char buf[BUFSIZ*2], *ptr;
        int i;
 
+#define WHATSLEFT      ( sizeof( buf ) - ( ptr - buf ) )
+
+       BER_BVZERO( bv );
+
+       /* temporarily inhibit bindconf from printing URI */
+       uri = si->si_bindconf.sb_uri;
+       BER_BVZERO( &si->si_bindconf.sb_uri );
        bindconf_unparse( &si->si_bindconf, &bc );
+       si->si_bindconf.sb_uri = uri;
+
        ptr = buf;
-       ptr += sprintf( ptr, IDSTR "=%03ld " PROVIDERSTR "=%s",
-               si->si_rid, si->si_provideruri.bv_val );
+       ptr += snprintf( ptr, WHATSLEFT, IDSTR "=%03ld " PROVIDERSTR "=%s",
+               si->si_rid, si->si_bindconf.sb_uri.bv_val );
+       if ( ptr - buf >= sizeof( buf ) ) return;
        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_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++ = '"';
+       }
        for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
                if ( si->si_scope == scopes[i].val ) {
+                       if ( WHATSLEFT <= STRLENOF( " " SCOPESTR "=" ) + scopes[i].key.bv_len ) return;
                        ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
                        ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
                        break;
                }
        }
        if ( si->si_attrsonly ) {
-               ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR "=yes" );
+               if ( WHATSLEFT <= STRLENOF( " " ATTRSONLYSTR "=\"" "\"" ) ) return;
+               ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR );
        }
        if ( si->si_anfile ) {
-               ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:" );
+               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) )) {
+               ( 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 );
+               /* FIXME: add check for overflow */
+               ptr = anlist_unparse( si->si_anlist, ptr, WHATSLEFT );
                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 );
+               /* FIXME: add check for overflow */
+               ptr = anlist_unparse( si->si_exanlist, ptr, WHATSLEFT );
        }
+       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 "=" );
        ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
                "refreshAndPersist" : "refreshOnly" );
@@ -3030,34 +3383,40 @@ syncrepl_unparse( syncinfo_t *si, struct berval *bv )
                hh = dd % 24;
                dd /= 24;
                ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
-               ptr += sprintf( ptr, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
+               ptr += snprintf( ptr, WHATSLEFT, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
+               if ( ptr - buf >= sizeof( buf ) ) return;
        } else if ( si->si_retryinterval ) {
                int space=0;
+               if ( WHATSLEFT <= STRLENOF( " " RETRYSTR "=\"" "\"" ) ) return;
                ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
                for (i=0; si->si_retryinterval[i]; i++) {
                        if ( space ) *ptr++ = ' ';
                        space = 1;
-                       ptr += sprintf( ptr, "%ld ", (long) si->si_retryinterval[i] );
-                       if ( si->si_retrynum_init[i] == -1 )
+                       ptr += snprintf( ptr, WHATSLEFT, "%ld ", (long) si->si_retryinterval[i] );
+                       if ( si->si_retrynum_init[i] == RETRYNUM_FOREVER )
                                *ptr++ = '+';
                        else
-                               ptr += sprintf( ptr, "%d", si->si_retrynum_init[i] );
+                               ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_retrynum_init[i] );
                }
+               if ( WHATSLEFT <= STRLENOF( "\"" ) ) return;
                *ptr++ = '"';
        }
 
        if ( si->si_slimit ) {
+               if ( WHATSLEFT <= STRLENOF( " " SLIMITSTR "=" ) ) return;
                ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
-               ptr += sprintf( ptr, "%d", si->si_slimit );
+               ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_slimit );
        }
 
        if ( si->si_tlimit ) {
+               if ( WHATSLEFT <= STRLENOF( " " TLIMITSTR "=" ) ) return;
                ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
-               ptr += sprintf( ptr, "%d", si->si_tlimit );
+               ptr += snprintf( ptr, WHATSLEFT, "%d", si->si_tlimit );
        }
 
        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 );
                }
@@ -3068,7 +3427,8 @@ syncrepl_unparse( syncinfo_t *si, struct berval *bv )
 }
 
 int
-syncrepl_config(ConfigArgs *c) {
+syncrepl_config( ConfigArgs *c )
+{
        if (c->op == SLAP_CONFIG_EMIT) {
                if ( c->be->be_syncinfo ) {
                        struct berval bv;
@@ -3078,29 +3438,20 @@ syncrepl_config(ConfigArgs *c) {
                }
                return 1;
        } else if ( c->op == LDAP_MOD_DELETE ) {
-               struct re_s *re;
-
                if ( c->be->be_syncinfo ) {
-                       re = c->be->be_syncinfo->si_re;
-                       if ( re ) {
-                               if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
-                                       ldap_pvt_runqueue_stoptask( &slapd_rq, re );
-                               ldap_pvt_runqueue_remove( &slapd_rq, re );
-                       }
                        syncinfo_free( c->be->be_syncinfo );
                        c->be->be_syncinfo = NULL;
                }
-               SLAP_DBFLAGS(c->be) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
+               SLAP_DBFLAGS( c->be ) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
                return 0;
        }
-       if(SLAP_SHADOW(c->be)) {
+       if ( SLAP_SHADOW( c->be ) ) {
                Debug(LDAP_DEBUG_ANY, "%s: "
                        "syncrepl: database already shadowed.\n",
                        c->log, 0, 0);
                return(1);
-       } else if(add_syncrepl(c->be, c->argv, c->argc)) {
+       } else if ( add_syncrepl( c ) ) {
                return(1);
        }
-       SLAP_DBFLAGS(c->be) |= (SLAP_DBFLAG_SHADOW | SLAP_DBFLAG_SYNC_SHADOW);
-       return(0);
+       return config_sync_shadow( c );
 }