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fix and improve candidate selection (ITS#6799)

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This commit is contained in:
Pierangelo Masarati 2011-01-19 17:36:35 +00:00
parent 6d8e0d5b3e
commit f62b4a55c1
2 changed files with 34 additions and 16 deletions
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48
servers/slapd/back-meta/candidates.c
View file

@ -63,7 +63,14 @@ meta_back_is_candidate(
struct berval *ndn,
int scope )
{
if ( dnIsSuffix( ndn, &mt->mt_nsuffix ) ) {
struct berval rdn;
int d = ndn->bv_len - mt->mt_nsuffix.bv_len;
if ( d >= 0 ) {
if ( !dnIsSuffix( ndn, &mt->mt_nsuffix ) ) {
return META_NOT_CANDIDATE;
}
if ( mt->mt_subtree_exclude ) {
int i;
@ -80,18 +87,16 @@ meta_back_is_candidate(
return META_CANDIDATE;
case LDAP_SCOPE_SUBORDINATE:
if ( ndn->bv_len > mt->mt_nsuffix.bv_len ) {
if ( d > 0 ) {
return META_CANDIDATE;
}
break;
/* nearly useless; not allowed by config */
case LDAP_SCOPE_ONELEVEL:
if ( ndn->bv_len > mt->mt_nsuffix.bv_len ) {
struct berval rdn = *ndn;
rdn.bv_len -= mt->mt_nsuffix.bv_len
+ STRLENOF( "," );
if ( d > 0 ) {
rdn.bv_val = ndn->bv_val;
rdn.bv_len = (ber_len_t)d - STRLENOF( "," );
if ( dnIsOneLevelRDN( &rdn ) ) {
return META_CANDIDATE;
}
@ -100,20 +105,33 @@ meta_back_is_candidate(
/* nearly useless; not allowed by config */
case LDAP_SCOPE_BASE:
if ( ndn->bv_len == mt->mt_nsuffix.bv_len ) {
if ( d == 0 ) {
return META_CANDIDATE;
}
break;
}
return META_NOT_CANDIDATE;
}
} else /* if ( d < 0 ) */ {
if ( !dnIsSuffix( &mt->mt_nsuffix, ndn ) ) {
return META_NOT_CANDIDATE;
}
if ( scope == LDAP_SCOPE_SUBTREE && dnIsSuffix( &mt->mt_nsuffix, ndn ) ) {
/*
* suffix longer than dn, but common part matches
*/
return META_CANDIDATE;
switch ( scope ) {
case LDAP_SCOPE_SUBTREE:
case LDAP_SCOPE_SUBORDINATE:
/*
* suffix longer than dn, but common part matches
*/
return META_CANDIDATE;
case LDAP_SCOPE_ONELEVEL:
rdn.bv_val = mt->mt_nsuffix.bv_val;
rdn.bv_len = (ber_len_t)(-d) - STRLENOF( "," );
if ( dnIsOneLevelRDN( &rdn ) ) {
return META_CANDIDATE;
}
break;
}
}
return META_NOT_CANDIDATE;

2
servers/slapd/back-meta/conn.c
View file

@ -1537,7 +1537,7 @@ retry_lock2:;
if ( i == cached
|| meta_back_is_candidate( mt, &op->o_req_ndn,
LDAP_SCOPE_SUBTREE ) )
op->o_tag == LDAP_REQ_SEARCH ? op->ors_scope : LDAP_SCOPE_SUBTREE ) )
{
/*