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[openldap] / servers / slapd / back-bdb / filterindex.c
index 526224918cbc7781b0f0a7393ec847abb995396a..d5a3108d8f59fea2622560960f26aea141c732b4 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 2000-2006 The OpenLDAP Foundation.
+ * Copyright 2000-2007 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
 
 static int presence_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        AttributeDescription *desc,
        ID *ids );
 
 static int equality_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        AttributeAssertion *ava,
        ID *ids,
        ID *tmp );
 static int inequality_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        AttributeAssertion *ava,
        ID *ids,
        ID *tmp,
        int gtorlt );
 static int approx_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        AttributeAssertion *ava,
        ID *ids,
        ID *tmp );
 static int substring_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        SubstringsAssertion *sub,
        ID *ids,
        ID *tmp );
 
 static int list_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        Filter *flist,
        int ftype,
        ID *ids,
        ID *tmp,
        ID *stack );
 
-#ifdef LDAP_COMP_MATCH
 static int
 ext_candidates(
         Operation *op,
+               BDB_LOCKER locker,
         MatchingRuleAssertion *mra,
         ID *ids,
         ID *tmp,
         ID *stack);
 
+#ifdef LDAP_COMP_MATCH
 static int
 comp_candidates (
        Operation *op,
+       BDB_LOCKER locker,
        MatchingRuleAssertion *mra,
        ComponentFilter *f,
        ID *ids,
@@ -81,6 +89,7 @@ comp_candidates (
 static int
 ava_comp_candidates (
                Operation *op,
+               BDB_LOCKER locker,
                AttributeAssertion *ava,
                AttributeAliasing *aa,
                ID *ids,
@@ -91,6 +100,7 @@ ava_comp_candidates (
 int
 bdb_filter_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        Filter  *f,
        ID *ids,
        ID *tmp,
@@ -129,30 +139,30 @@ bdb_filter_candidates(
                break;
        case LDAP_FILTER_PRESENT:
                Debug( LDAP_DEBUG_FILTER, "\tPRESENT\n", 0, 0, 0 );
-               rc = presence_candidates( op, f->f_desc, ids );
+               rc = presence_candidates( op, locker, f->f_desc, ids );
                break;
 
        case LDAP_FILTER_EQUALITY:
                Debug( LDAP_DEBUG_FILTER, "\tEQUALITY\n", 0, 0, 0 );
 #ifdef LDAP_COMP_MATCH
                if ( is_aliased_attribute && ( aa = is_aliased_attribute ( f->f_ava->aa_desc ) ) ) {
-                       rc = ava_comp_candidates ( op, f->f_ava, aa, ids, tmp, stack );
+                       rc = ava_comp_candidates ( op, locker, f->f_ava, aa, ids, tmp, stack );
                }
                else
 #endif
                {
-                       rc = equality_candidates( op, f->f_ava, ids, tmp );
+                       rc = equality_candidates( op, locker, f->f_ava, ids, tmp );
                }
                break;
 
        case LDAP_FILTER_APPROX:
                Debug( LDAP_DEBUG_FILTER, "\tAPPROX\n", 0, 0, 0 );
-               rc = approx_candidates( op, f->f_ava, ids, tmp );
+               rc = approx_candidates( op, locker, f->f_ava, ids, tmp );
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
                Debug( LDAP_DEBUG_FILTER, "\tSUBSTRINGS\n", 0, 0, 0 );
-               rc = substring_candidates( op, f->f_sub, ids, tmp );
+               rc = substring_candidates( op, locker, f->f_sub, ids, tmp );
                break;
 
        case LDAP_FILTER_GE:
@@ -160,9 +170,9 @@ bdb_filter_candidates(
                Debug( LDAP_DEBUG_FILTER, "\tGE\n", 0, 0, 0 );
                if( f->f_ava->aa_desc->ad_type->sat_ordering &&
                        ( f->f_ava->aa_desc->ad_type->sat_ordering->smr_usage & SLAP_MR_ORDERED_INDEX ) )
-                       rc = inequality_candidates( op, f->f_ava, ids, tmp, LDAP_FILTER_GE );
+                       rc = inequality_candidates( op, locker, f->f_ava, ids, tmp, LDAP_FILTER_GE );
                else
-                       rc = presence_candidates( op, f->f_ava->aa_desc, ids );
+                       rc = presence_candidates( op, locker, f->f_ava->aa_desc, ids );
                break;
 
        case LDAP_FILTER_LE:
@@ -170,9 +180,9 @@ bdb_filter_candidates(
                Debug( LDAP_DEBUG_FILTER, "\tLE\n", 0, 0, 0 );
                if( f->f_ava->aa_desc->ad_type->sat_ordering &&
                        ( f->f_ava->aa_desc->ad_type->sat_ordering->smr_usage & SLAP_MR_ORDERED_INDEX ) )
-                       rc = inequality_candidates( op, f->f_ava, ids, tmp, LDAP_FILTER_LE );
+                       rc = inequality_candidates( op, locker, f->f_ava, ids, tmp, LDAP_FILTER_LE );
                else
-                       rc = presence_candidates( op, f->f_ava->aa_desc, ids );
+                       rc = presence_candidates( op, locker, f->f_ava->aa_desc, ids );
                break;
 
        case LDAP_FILTER_NOT:
@@ -185,21 +195,19 @@ bdb_filter_candidates(
 
        case LDAP_FILTER_AND:
                Debug( LDAP_DEBUG_FILTER, "\tAND\n", 0, 0, 0 );
-               rc = list_candidates( op, 
+               rc = list_candidates( op, locker, 
                        f->f_and, LDAP_FILTER_AND, ids, tmp, stack );
                break;
 
        case LDAP_FILTER_OR:
                Debug( LDAP_DEBUG_FILTER, "\tOR\n", 0, 0, 0 );
-               rc = list_candidates( op, 
+               rc = list_candidates( op, locker,
                        f->f_or, LDAP_FILTER_OR, ids, tmp, stack );
                break;
-#ifdef LDAP_COMP_MATCH
        case LDAP_FILTER_EXT:
                 Debug( LDAP_DEBUG_FILTER, "\tEXT\n", 0, 0, 0 );
-                rc = ext_candidates( op, f->f_mra, ids, tmp, stack );
+                rc = ext_candidates( op, locker, f->f_mra, ids, tmp, stack );
                 break;
-#endif
        default:
                Debug( LDAP_DEBUG_FILTER, "\tUNKNOWN %lu\n",
                        (unsigned long) f->f_choice, 0, 0 );
@@ -223,6 +231,7 @@ out:
 static int
 comp_list_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        MatchingRuleAssertion* mra,
        ComponentFilter *flist,
        int     ftype,
@@ -241,7 +250,7 @@ comp_list_candidates(
                        continue;
                }
                BDB_IDL_ZERO( save );
-               rc = comp_candidates( op, mra, f, save, tmp, save+BDB_IDL_UM_SIZE );
+               rc = comp_candidates( op, locker, mra, f, save, tmp, save+BDB_IDL_UM_SIZE );
 
                if ( rc != 0 ) {
                        if ( ftype == LDAP_COMP_FILTER_AND ) {
@@ -287,6 +296,7 @@ comp_list_candidates(
 static int
 comp_equality_candidates (
         Operation *op,
+       BDB_LOCKER locker,
         MatchingRuleAssertion *mra,
        ComponentAssertion *ca,
         ID *ids,
@@ -334,9 +344,6 @@ comp_equality_candidates (
         if( rc != LDAP_SUCCESS ) {
                 return 0;
         }
-        if ( db == NULL ) {
-                return 0;
-        }
 
         if( !mr ) {
                 return 0;
@@ -363,7 +370,7 @@ comp_equality_candidates (
                 return 0;
         }
         for ( i= 0; keys[i].bv_val != NULL; i++ ) {
-                rc = bdb_key_read( op->o_bd, db, NULL, &keys[i], tmp, NULL, 0 );
+                rc = bdb_key_read( op->o_bd, db, locker, &keys[i], tmp, NULL, 0 );
 
                 if( rc == DB_NOTFOUND ) {
                         BDB_IDL_ZERO( ids );
@@ -400,6 +407,7 @@ comp_equality_candidates (
 static int
 ava_comp_candidates (
        Operation *op,
+       BDB_LOCKER locker,
        AttributeAssertion *ava,
        AttributeAliasing *aa,
        ID *ids,
@@ -417,12 +425,13 @@ ava_comp_candidates (
        mra.ma_desc = aa->aa_aliased_ad;
        mra.ma_rule = ava->aa_desc->ad_type->sat_equality;
        
-       return comp_candidates ( op, &mra, ava->aa_cf, ids, tmp, stack );
+       return comp_candidates ( op, locker, &mra, ava->aa_cf, ids, tmp, stack );
 }
 
 static int
 comp_candidates (
        Operation *op,
+       BDB_LOCKER locker,
        MatchingRuleAssertion *mra,
        ComponentFilter *f,
        ID *ids,
@@ -439,10 +448,10 @@ comp_candidates (
                rc = f->cf_result;
                break;
        case LDAP_COMP_FILTER_AND:
-               rc = comp_list_candidates( op, mra, f->cf_and, LDAP_COMP_FILTER_AND, ids, tmp, stack );
+               rc = comp_list_candidates( op, locker, mra, f->cf_and, LDAP_COMP_FILTER_AND, ids, tmp, stack );
                break;
        case LDAP_COMP_FILTER_OR:
-               rc = comp_list_candidates( op, mra, f->cf_or, LDAP_COMP_FILTER_OR, ids, tmp, stack );
+               rc = comp_list_candidates( op, locker, mra, f->cf_or, LDAP_COMP_FILTER_OR, ids, tmp, stack );
                break;
        case LDAP_COMP_FILTER_NOT:
                /* No component indexing supported for NOT filter */
@@ -454,7 +463,7 @@ comp_candidates (
                rc = LDAP_PROTOCOL_ERROR;
                break;
        case LDAP_COMP_FILTER_ITEM:
-               rc = comp_equality_candidates( op, mra, f->cf_ca, ids, tmp, stack );
+               rc = comp_equality_candidates( op, locker, mra, f->cf_ca, ids, tmp, stack );
                break;
        default:
                {
@@ -466,32 +475,92 @@ comp_candidates (
 
        return( rc );
 }
+#endif
 
 static int
 ext_candidates(
         Operation *op,
+               BDB_LOCKER locker,
         MatchingRuleAssertion *mra,
         ID *ids,
         ID *tmp,
         ID *stack)
 {
+       struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
+
+#ifdef LDAP_COMP_MATCH
        /*
         * Currently Only Component Indexing for componentFilterMatch is supported
         * Indexing for an extensible filter is not supported yet
         */
-       if ( !mra->ma_cf ) {
-               struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
-               BDB_IDL_ALL( bdb, ids );
-               return 0;
+       if ( mra->ma_cf ) {
+               return comp_candidates ( op, locker, mra, mra->ma_cf, ids, tmp, stack);
+       }
+#endif
+       if ( mra->ma_desc == slap_schema.si_ad_entryDN ) {
+               int rc;
+               EntryInfo *ei;
+
+               BDB_IDL_ZERO( ids );
+               if ( mra->ma_rule == slap_schema.si_mr_distinguishedNameMatch ) {
+                       ei = NULL;
+                       rc = bdb_cache_find_ndn( op, locker, &mra->ma_value, &ei );
+                       if ( rc == LDAP_SUCCESS )
+                               bdb_idl_insert( ids, ei->bei_id );
+                       if ( ei )
+                               bdb_cache_entryinfo_unlock( ei );
+                       return 0;
+               } else if ( mra->ma_rule && mra->ma_rule->smr_match ==
+                       dnRelativeMatch && dnIsSuffix( &mra->ma_value,
+                               op->o_bd->be_nsuffix )) {
+                       int scope;
+                       if ( mra->ma_rule == slap_schema.si_mr_dnSuperiorMatch ) {
+                               struct berval pdn;
+                               ei = NULL;
+                               dnParent( &mra->ma_value, &pdn );
+                               bdb_cache_find_ndn( op, locker, &pdn, &ei );
+                               if ( ei ) {
+                                       bdb_cache_entryinfo_unlock( ei );
+                                       while ( ei && ei->bei_id ) {
+                                               bdb_idl_insert( ids, ei->bei_id );
+                                               ei = ei->bei_parent;
+                                       }
+                               }
+                               return 0;
+                       }
+                       if ( mra->ma_rule == slap_schema.si_mr_dnSubtreeMatch )
+                               scope = LDAP_SCOPE_SUBTREE;
+                       else if ( mra->ma_rule == slap_schema.si_mr_dnOneLevelMatch )
+                               scope = LDAP_SCOPE_ONELEVEL;
+                       else if ( mra->ma_rule == slap_schema.si_mr_dnSubordinateMatch )
+                               scope = LDAP_SCOPE_SUBORDINATE;
+                       else
+                               scope = LDAP_SCOPE_BASE;
+                       if ( scope > LDAP_SCOPE_BASE ) {
+                               ei = NULL;
+                               rc = bdb_cache_find_ndn( op, locker, &mra->ma_value, &ei );
+                               if ( ei )
+                                       bdb_cache_entryinfo_unlock( ei );
+                               if ( rc == LDAP_SUCCESS ) {
+                                       int sc = op->ors_scope;
+                                       op->ors_scope = scope;
+                                       rc = bdb_dn2idl( op, locker, &mra->ma_value, ei, ids,
+                                               stack );
+                                       op->ors_scope = sc;
+                               }
+                               return 0;
+                       }
+               }
        }
 
-       return comp_candidates ( op, mra, mra->ma_cf, ids, tmp, stack);
+       BDB_IDL_ALL( bdb, ids );
+       return 0;
 }
-#endif
 
 static int
 list_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        Filter  *flist,
        int             ftype,
        ID *ids,
@@ -509,7 +578,7 @@ list_candidates(
                        continue;
                }
                BDB_IDL_ZERO( save );
-               rc = bdb_filter_candidates( op, f, save, tmp,
+               rc = bdb_filter_candidates( op, locker, f, save, tmp,
                        save+BDB_IDL_UM_SIZE );
 
                if ( rc != 0 ) {
@@ -557,6 +626,7 @@ list_candidates(
 static int
 presence_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        AttributeDescription *desc,
        ID *ids )
 {
@@ -578,19 +648,19 @@ presence_candidates(
        rc = bdb_index_param( op->o_bd, desc, LDAP_FILTER_PRESENT,
                &db, &mask, &prefix );
 
-       if( rc != LDAP_SUCCESS ) {
+       if( rc == LDAP_INAPPROPRIATE_MATCHING ) {
+               /* not indexed */
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_presence_candidates: (%s) index_param "
-                       "returned=%d\n",
-                       desc->ad_cname.bv_val, rc, 0 );
+                       "<= bdb_presence_candidates: (%s) not indexed\n",
+                       desc->ad_cname.bv_val, 0, 0 );
                return 0;
        }
 
-       if( db == NULL ) {
-               /* not indexed */
+       if( rc != LDAP_SUCCESS ) {
                Debug( LDAP_DEBUG_TRACE,
-                       "<= bdb_presence_candidates: (%s) not indexed\n",
-                       desc->ad_cname.bv_val, 0, 0 );
+                       "<= bdb_presence_candidates: (%s) index_param "
+                       "returned=%d\n",
+                       desc->ad_cname.bv_val, rc, 0 );
                return 0;
        }
 
@@ -601,7 +671,7 @@ presence_candidates(
                return -1;
        }
 
-       rc = bdb_key_read( op->o_bd, db, NULL, &prefix, ids, NULL, 0 );
+       rc = bdb_key_read( op->o_bd, db, locker, &prefix, ids, NULL, 0 );
 
        if( rc == DB_NOTFOUND ) {
                BDB_IDL_ZERO( ids );
@@ -627,6 +697,7 @@ done:
 static int
 equality_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        AttributeAssertion *ava,
        ID *ids,
        ID *tmp )
@@ -648,18 +719,18 @@ equality_candidates(
        rc = bdb_index_param( op->o_bd, ava->aa_desc, LDAP_FILTER_EQUALITY,
                &db, &mask, &prefix );
 
-       if( rc != LDAP_SUCCESS ) {
+       if ( rc == LDAP_INAPPROPRIATE_MATCHING ) {
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_equality_candidates: (%s) "
-                       "index_param failed (%d)\n",
-                       ava->aa_desc->ad_cname.bv_val, rc, 0 );
+                       "<= bdb_equality_candidates: (%s) not indexed\n", 
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
                return 0;
        }
 
-       if ( db == NULL ) {
+       if( rc != LDAP_SUCCESS ) {
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_equality_candidates: (%s) not indexed\n", 
-                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
+                       "<= bdb_equality_candidates: (%s) "
+                       "index_param failed (%d)\n",
+                       ava->aa_desc->ad_cname.bv_val, rc, 0 );
                return 0;
        }
 
@@ -697,7 +768,7 @@ equality_candidates(
        }
 
        for ( i= 0; keys[i].bv_val != NULL; i++ ) {
-               rc = bdb_key_read( op->o_bd, db, NULL, &keys[i], tmp, NULL, 0 );
+               rc = bdb_key_read( op->o_bd, db, locker, &keys[i], tmp, NULL, 0 );
 
                if( rc == DB_NOTFOUND ) {
                        BDB_IDL_ZERO( ids );
@@ -743,6 +814,7 @@ equality_candidates(
 static int
 approx_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        AttributeAssertion *ava,
        ID *ids,
        ID *tmp )
@@ -764,18 +836,18 @@ approx_candidates(
        rc = bdb_index_param( op->o_bd, ava->aa_desc, LDAP_FILTER_APPROX,
                &db, &mask, &prefix );
 
-       if( rc != LDAP_SUCCESS ) {
+       if ( rc == LDAP_INAPPROPRIATE_MATCHING ) {
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_approx_candidates: (%s) "
-                       "index_param failed (%d)\n",
-                       ava->aa_desc->ad_cname.bv_val, rc, 0 );
+                       "<= bdb_approx_candidates: (%s) not indexed\n",
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
                return 0;
        }
 
-       if ( db == NULL ) {
+       if( rc != LDAP_SUCCESS ) {
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_approx_candidates: (%s) not indexed\n",
-                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
+                       "<= bdb_approx_candidates: (%s) "
+                       "index_param failed (%d)\n",
+                       ava->aa_desc->ad_cname.bv_val, rc, 0 );
                return 0;
        }
 
@@ -818,7 +890,7 @@ approx_candidates(
        }
 
        for ( i= 0; keys[i].bv_val != NULL; i++ ) {
-               rc = bdb_key_read( op->o_bd, db, NULL, &keys[i], tmp, NULL, 0 );
+               rc = bdb_key_read( op->o_bd, db, locker, &keys[i], tmp, NULL, 0 );
 
                if( rc == DB_NOTFOUND ) {
                        BDB_IDL_ZERO( ids );
@@ -862,6 +934,7 @@ approx_candidates(
 static int
 substring_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        SubstringsAssertion     *sub,
        ID *ids,
        ID *tmp )
@@ -883,18 +956,18 @@ substring_candidates(
        rc = bdb_index_param( op->o_bd, sub->sa_desc, LDAP_FILTER_SUBSTRINGS,
                &db, &mask, &prefix );
 
-       if( rc != LDAP_SUCCESS ) {
+       if ( rc == LDAP_INAPPROPRIATE_MATCHING ) {
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_substring_candidates: (%s) "
-                       "index_param failed (%d)\n",
-                       sub->sa_desc->ad_cname.bv_val, rc, 0 );
+                       "<= bdb_substring_candidates: (%s) not indexed\n",
+                       sub->sa_desc->ad_cname.bv_val, 0, 0 );
                return 0;
        }
 
-       if ( db == NULL ) {
+       if( rc != LDAP_SUCCESS ) {
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_substring_candidates: (%s) not indexed\n",
-                       sub->sa_desc->ad_cname.bv_val, 0, 0 );
+                       "<= bdb_substring_candidates: (%s) "
+                       "index_param failed (%d)\n",
+                       sub->sa_desc->ad_cname.bv_val, rc, 0 );
                return 0;
        }
 
@@ -933,7 +1006,7 @@ substring_candidates(
        }
 
        for ( i= 0; keys[i].bv_val != NULL; i++ ) {
-               rc = bdb_key_read( op->o_bd, db, NULL, &keys[i], tmp, NULL, 0 );
+               rc = bdb_key_read( op->o_bd, db, locker, &keys[i], tmp, NULL, 0 );
 
                if( rc == DB_NOTFOUND ) {
                        BDB_IDL_ZERO( ids );
@@ -977,6 +1050,7 @@ substring_candidates(
 static int
 inequality_candidates(
        Operation *op,
+       BDB_LOCKER locker,
        AttributeAssertion *ava,
        ID *ids,
        ID *tmp,
@@ -999,18 +1073,18 @@ inequality_candidates(
        rc = bdb_index_param( op->o_bd, ava->aa_desc, LDAP_FILTER_EQUALITY,
                &db, &mask, &prefix );
 
-       if( rc != LDAP_SUCCESS ) {
+       if ( rc == LDAP_INAPPROPRIATE_MATCHING ) {
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_inequality_candidates: (%s) "
-                       "index_param failed (%d)\n",
-                       ava->aa_desc->ad_cname.bv_val, rc, 0 );
+                       "<= bdb_inequality_candidates: (%s) not indexed\n", 
+                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
                return 0;
        }
 
-       if ( db == NULL ) {
+       if( rc != LDAP_SUCCESS ) {
                Debug( LDAP_DEBUG_ANY,
-                       "<= bdb_inequality_candidates: (%s) not indexed\n", 
-                       ava->aa_desc->ad_cname.bv_val, 0, 0 );
+                       "<= bdb_inequality_candidates: (%s) "
+                       "index_param failed (%d)\n",
+                       ava->aa_desc->ad_cname.bv_val, rc, 0 );
                return 0;
        }
 
@@ -1049,7 +1123,7 @@ inequality_candidates(
 
        BDB_IDL_ZERO( ids );
        while(1) {
-               rc = bdb_key_read( op->o_bd, db, NULL, &keys[0], tmp, &cursor, gtorlt );
+               rc = bdb_key_read( op->o_bd, db, locker, &keys[0], tmp, &cursor, gtorlt );
 
                if( rc == DB_NOTFOUND ) {
                        rc = 0;