int i,
LDAPMessage *e );
-static int
+typedef enum meta_search_candidate_t {
+ META_SEARCH_ERR = -1,
+ META_SEARCH_NOT_CANDIDATE,
+ META_SEARCH_CANDIDATE
+} meta_search_candidate_t;
+
+static meta_search_candidate_t
meta_back_search_start(
Operation *op,
SlapReply *rs,
struct berval mfilter = BER_BVNULL;
char **mapped_attrs = NULL;
int rc;
+ meta_search_candidate_t retcode;
+ struct timeval tv, *tvp = NULL;
/* should we check return values? */
if ( op->ors_deref != -1 ) {
ldap_set_option( msc->msc_ld, LDAP_OPT_DEREF,
- ( void * )&op->ors_deref);
+ ( void * )&op->ors_deref );
}
+
if ( op->ors_tlimit != SLAP_NO_LIMIT ) {
- ldap_set_option( msc->msc_ld, LDAP_OPT_TIMELIMIT,
- ( void * )&op->ors_tlimit);
- }
- if ( op->ors_slimit != SLAP_NO_LIMIT ) {
- ldap_set_option( msc->msc_ld, LDAP_OPT_SIZELIMIT,
- ( void * )&op->ors_slimit);
+ tv.tv_sec = op->ors_tlimit > 0 ? op->ors_tlimit : 1;
+ tvp = &tv;
}
dc->target = &mi->mi_targets[ candidate ];
&op->o_req_ndn ) )
{
realbase = mi->mi_targets[ candidate ].mt_nsuffix;
-#ifdef LDAP_SCOPE_SUBORDINATE
if ( mi->mi_targets[ candidate ].mt_scope == LDAP_SCOPE_SUBORDINATE ) {
realscope = LDAP_SCOPE_SUBORDINATE;
}
-#endif /* LDAP_SCOPE_SUBORDINATE */
} else {
/*
* this target is no longer candidate
*/
- return 0;
+ return META_SEARCH_NOT_CANDIDATE;
}
break;
-#ifdef LDAP_SCOPE_SUBORDINATE
case LDAP_SCOPE_SUBORDINATE:
-#endif /* LDAP_SCOPE_SUBORDINATE */
case LDAP_SCOPE_ONELEVEL:
{
struct berval rdn = mi->mi_targets[ candidate ].mt_nsuffix;
* base, and make scope "base"
*/
realbase = mi->mi_targets[ candidate ].mt_nsuffix;
-#ifdef LDAP_SCOPE_SUBORDINATE
if ( op->ors_scope == LDAP_SCOPE_SUBORDINATE ) {
if ( mi->mi_targets[ candidate ].mt_scope == LDAP_SCOPE_SUBORDINATE ) {
realscope = LDAP_SCOPE_SUBORDINATE;
} else {
realscope = LDAP_SCOPE_SUBTREE;
}
- } else
-#endif /* LDAP_SCOPE_SUBORDINATE */
- {
+ } else {
realscope = LDAP_SCOPE_BASE;
}
break;
/*
* this target is no longer candidate
*/
- return 0;
+ return META_SEARCH_NOT_CANDIDATE;
}
}
rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
rs->sr_text = "Operation not allowed";
send_ldap_result( op, rs );
- return -1;
+ return META_SEARCH_ERR;
case REWRITE_REGEXEC_ERR:
/*
* this target is no longer candidate
*/
- return 0;
+ return META_SEARCH_NOT_CANDIDATE;
}
/*
/*
* this target is no longer candidate
*/
- rc = 0;
+ retcode = META_SEARCH_NOT_CANDIDATE;
goto done;
}
/*
* this target is no longer candidate
*/
- rc = 0;
+ retcode = META_SEARCH_NOT_CANDIDATE;
goto done;
}
rc = ldap_search_ext( msc->msc_ld,
mbase.bv_val, realscope, mfilter.bv_val,
mapped_attrs, op->ors_attrsonly,
- op->o_ctrls, NULL, NULL, op->ors_slimit,
+ op->o_ctrls, NULL, tvp, op->ors_slimit,
&candidates[ candidate ].sr_msgid );
if ( rc == LDAP_SUCCESS ) {
- rc = 1;
+ retcode = META_SEARCH_CANDIDATE;
} else {
candidates[ candidate ].sr_msgid = -1;
- rc = 0;
+ retcode = META_SEARCH_NOT_CANDIDATE;
}
done:;
free( mbase.bv_val );
}
- return rc;
+ return retcode;
}
int
metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
metaconn_t *mc;
struct timeval tv = { 0, 0 };
- time_t stoptime;
+ time_t stoptime = (time_t)-1;
LDAPMessage *res = NULL, *e;
int rc = 0, sres = LDAP_SUCCESS;
char *matched = NULL;
switch ( meta_back_search_start( op, rs, &dc, msc, i, candidates ) )
{
- case 0:
+ case META_SEARCH_NOT_CANDIDATE:
break;
- case 1:
+ case META_SEARCH_CANDIDATE:
+ candidates[ i ].sr_type = REP_INTERMEDIATE;
++ncandidates;
break;
- case -1:
+ case META_SEARCH_ERR:
rc = -1;
goto finish;
}
* get a LDAP_TIMELIMIT_EXCEEDED from
* one of them ...
*/
+get_result:;
rc = ldap_result( msc->msc_ld, candidates[ i ].sr_msgid,
0, &tv, &res );
} else if ( rc == -1 ) {
really_bad:;
/* something REALLY bad happened! */
- ( void )meta_clear_unused_candidates( op, -1 );
- rs->sr_err = LDAP_OTHER;
- savepriv = op->o_private;
- op->o_private = (void *)i;
- send_ldap_result( op, rs );
- op->o_private = savepriv;
-
- /* anything else needs be done? */
-
- /* FIXME: res should not need to be freed */
- assert( res == NULL );
+ if ( candidates[ i ].sr_type == REP_INTERMEDIATE ) {
+ candidates[ i ].sr_type = REP_RESULT;
+
+ if ( meta_back_retry( op, rs, mc, i, LDAP_BACK_DONTSEND ) ) {
+ switch ( meta_back_search_start( op, rs, &dc, msc, i, candidates ) )
+ {
+ case META_SEARCH_CANDIDATE:
+ goto get_result;
+
+ default:
+ rc = rs->sr_err = LDAP_OTHER;
+ goto finish;
+ }
+ }
+ }
- goto finish;
+ /*
+ * When no candidates are left,
+ * the outer cycle finishes
+ */
+ candidates[ i ].sr_msgid = -1;
+ --ncandidates;
+ rs->sr_err = candidates[ i ].sr_err = LDAP_OTHER;
+ rs->sr_text = "remote server unavailable";
} else if ( rc == LDAP_RES_SEARCH_ENTRY ) {
- if ( --op->ors_slimit == -1 ) {
- ldap_msgfree( res );
- res = NULL;
-
- rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
- savepriv = op->o_private;
- op->o_private = (void *)i;
- send_ldap_result( op, rs );
- op->o_private = savepriv;
- goto finish;
+ if ( candidates[ i ].sr_type == REP_INTERMEDIATE ) {
+ /* don't retry any more... */
+ candidates[ i ].sr_type = REP_RESULT;
}
is_ok++;
e = ldap_first_entry( msc->msc_ld, res );
savepriv = op->o_private;
op->o_private = (void *)i;
- meta_send_entry( op, rs, mc, i, e );
- op->o_private = savepriv;
-
+ rs->sr_err = meta_send_entry( op, rs, mc, i, e );
ldap_msgfree( res );
res = NULL;
+ switch ( rs->sr_err ) {
+ case LDAP_SIZELIMIT_EXCEEDED:
+ savepriv = op->o_private;
+ op->o_private = (void *)i;
+ send_ldap_result( op, rs );
+ op->o_private = savepriv;
+ rs->sr_err = LDAP_SUCCESS;
+ goto finish;
+
+ case LDAP_UNAVAILABLE:
+ rs->sr_err = LDAP_OTHER;
+ goto finish;
+ }
+ op->o_private = savepriv;
+
gotit = 1;
#if 0
char **references = NULL;
int cnt;
+ if ( candidates[ i ].sr_type == REP_INTERMEDIATE ) {
+ /* don't retry any more... */
+ candidates[ i ].sr_type = REP_RESULT;
+ }
+
is_ok++;
rc = ldap_parse_reference( msc->msc_ld, res,
/* cleanup */
if ( references ) {
- ldap_value_free( references );
+ ber_memvfree( (void **)references );
}
if ( rs->sr_ctrls ) {
char buf[ SLAP_TEXT_BUFLEN ];
char **references = NULL;
+ if ( candidates[ i ].sr_type == REP_INTERMEDIATE ) {
+ /* don't retry any more... */
+ candidates[ i ].sr_type = REP_RESULT;
+ }
+
+ /* NOTE: ignores response controls
+ * (and intermediate response controls
+ * as well, except for those with search
+ * references); this may not be correct,
+ * but if they're not ignored then
+ * back-meta would need to merge them
+ * consistently (think of pagedResults...)
+ */
if ( ldap_parse_result( msc->msc_ld,
res,
&candidates[ i ].sr_err,
(char **)&candidates[ i ].sr_matched,
NULL /* (char **)&candidates[ i ].sr_text */ ,
&references,
- &candidates[ i ].sr_ctrls, 1 ) != LDAP_SUCCESS )
+ NULL /* &candidates[ i ].sr_ctrls (unused) */ ,
+ 1 ) != LDAP_SUCCESS )
{
res = NULL;
ldap_get_option( msc->msc_ld,
LDAP_OPT_ERROR_NUMBER,
&rs->sr_err );
sres = slap_map_api2result( rs );
+ candidates[ i ].sr_type = REP_RESULT;
goto really_bad;
}
/* massage matchedDN if need be */
if ( candidates[ i ].sr_matched != NULL ) {
+#ifndef LDAP_NULL_IS_NULL
if ( candidates[ i ].sr_matched[ 0 ] == '\0' ) {
ldap_memfree( (char *)candidates[ i ].sr_matched );
candidates[ i ].sr_matched = NULL;
- } else {
+ } else
+#endif /* LDAP_NULL_IS_NULL */
+ {
struct berval match, mmatch;
ber_str2bv( candidates[ i ].sr_matched,
0, 0, &match );
+ candidates[ i ].sr_matched = NULL;
dc.ctx = "matchedDN";
dc.target = &mi->mi_targets[ i ];
-
if ( !ldap_back_dn_massage( &dc, &match, &mmatch ) ) {
if ( mmatch.bv_val == match.bv_val ) {
candidates[ i ].sr_matched = ch_strdup( mmatch.bv_val );
}
}
+#ifndef LDAP_NULL_IS_NULL
/* just get rid of the error message, if any */
if ( candidates[ i ].sr_text && candidates[ i ].sr_text[ 0 ] == '\0' )
{
ldap_memfree( (char *)candidates[ i ].sr_text );
candidates[ i ].sr_text = NULL;
}
+#endif /* LDAP_NULL_IS_NULL */
/* add references to array */
if ( references ) {
( void )ldap_back_referral_result_rewrite( &dc, sr_ref );
/* cleanup */
- ldap_value_free( references );
+ ber_memvfree( (void **)references );
if ( rs->sr_v2ref == NULL ) {
rs->sr_v2ref = sr_ref;
/* we use the first one */
for ( i = 0; i < mi->mi_ntargets; i++ ) {
if ( candidates[ i ].sr_tag == META_CANDIDATE
- && candidates[ i ].sr_matched )
+ && candidates[ i ].sr_matched != NULL )
{
struct berval bv, pbv;
int rc;
+ /* if we got success, and this target
+ * returned noSuchObject, and its suffix
+ * is a superior of the searchBase,
+ * ignore the matchedDN */
+ if ( sres == LDAP_SUCCESS
+ && candidates[ i ].sr_err == LDAP_NO_SUCH_OBJECT
+ && op->o_req_ndn.bv_len > mi->mi_targets[ i ].mt_nsuffix.bv_len )
+ {
+ free( (char *)candidates[ i ].sr_matched );
+ candidates[ i ].sr_matched = NULL;
+ continue;
+ }
+
ber_str2bv( candidates[ i ].sr_matched, 0, 0, &bv );
rc = dnPretty( NULL, &bv, &pbv, op->o_tmpmemctx );
rs->sr_entry = &ent;
rs->sr_attrs = op->ors_attrs;
rs->sr_flags = 0;
- send_search_entry( op, rs );
+ rc = send_search_entry( op, rs );
+ switch ( rc ) {
+ case LDAP_UNAVAILABLE:
+ rc = LDAP_OTHER;
+ break;
+ }
rs->sr_entry = NULL;
rs->sr_attrs = NULL;
}
entry_clean( &ent );
- return LDAP_SUCCESS;
+ return rc;
}