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[openldap] / servers / slapd / filterentry.c
index 4912d52dc907fd5d1bda082479a02c3e3637247a..586db3f9b4ccebdfc79c8d0b26e7d93786e3e867 100644 (file)
@@ -1,8 +1,27 @@
 /* filterentry.c - apply a filter to an entry */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2003 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
  */
 
 #include "portable.h"
 
 #include "slap.h"
 
-static int     test_filter_and( Backend *be,
-       Connection *conn, Operation *op,
-       Entry *e, Filter *flist );
-static int     test_filter_or( Backend *be,
-       Connection *conn, Operation *op,
-       Entry *e, Filter *flist );
-static int     test_substrings_filter( Backend *be,
-       Connection *conn, Operation *op,
-       Entry *e, Filter *f);
-static int     test_ava_filter( Backend *be,
-       Connection *conn, Operation *op,
-       Entry *e, AttributeAssertion *ava, int type );
-static int     test_mra_filter( Backend *be,
-       Connection *conn, Operation *op,
-       Entry *e, MatchingRuleAssertion *mra );
-static int     test_presence_filter( Backend *be,
-       Connection *conn, Operation *op,
-       Entry *e, AttributeDescription *desc );
+static int     test_filter_and( Operation *op, Entry *e, Filter *flist );
+static int     test_filter_or( Operation *op, Entry *e, Filter *flist );
+static int     test_substrings_filter( Operation *op, Entry *e, Filter *f);
+static int     test_ava_filter( Operation *op, Entry *e, AttributeAssertion *ava, int type );
+static int     test_mra_filter( Operation *op, Entry *e, MatchingRuleAssertion *mra );
+static int     test_presence_filter( Operation *op, Entry *e, AttributeDescription *desc );
 
 
 /*
@@ -46,22 +53,18 @@ static int  test_presence_filter( Backend *be,
 
 int
 test_filter(
-    Backend    *be,
-    Connection *conn,
     Operation  *op,
     Entry      *e,
     Filter     *f
 )
 {
        int     rc;
-
 #ifdef NEW_LOGGING
        LDAP_LOG( FILTER, ENTRY, "test_filter: begin\n", 0, 0, 0 );
 #else
        Debug( LDAP_DEBUG_FILTER, "=> test_filter\n", 0, 0, 0 );
 #endif
 
-
        switch ( f->f_choice ) {
        case SLAPD_FILTER_COMPUTED:
 #ifdef NEW_LOGGING
@@ -89,7 +92,7 @@ test_filter(
                Debug( LDAP_DEBUG_FILTER, "    EQUALITY\n", 0, 0, 0 );
 #endif
 
-               rc = test_ava_filter( be, conn, op, e, f->f_ava,
+               rc = test_ava_filter( op, e, f->f_ava,
                    LDAP_FILTER_EQUALITY );
                break;
 
@@ -100,16 +103,16 @@ test_filter(
                Debug( LDAP_DEBUG_FILTER, "    SUBSTRINGS\n", 0, 0, 0 );
 #endif
 
-               rc = test_substrings_filter( be, conn, op, e, f );
+               rc = test_substrings_filter( op, e, f );
                break;
 
        case LDAP_FILTER_GE:
-               rc = test_ava_filter( be, conn, op, e, f->f_ava,
+               rc = test_ava_filter( op, e, f->f_ava,
                    LDAP_FILTER_GE );
                break;
 
        case LDAP_FILTER_LE:
-               rc = test_ava_filter( be, conn, op, e, f->f_ava,
+               rc = test_ava_filter( op, e, f->f_ava,
                    LDAP_FILTER_LE );
                break;
 
@@ -120,7 +123,7 @@ test_filter(
                Debug( LDAP_DEBUG_FILTER, "    PRESENT\n", 0, 0, 0 );
 #endif
 
-               rc = test_presence_filter( be, conn, op, e, f->f_desc );
+               rc = test_presence_filter( op, e, f->f_desc );
                break;
 
        case LDAP_FILTER_APPROX:
@@ -129,7 +132,7 @@ test_filter(
 #else
                Debug( LDAP_DEBUG_FILTER, "    APPROX\n", 0, 0, 0 );
 #endif
-               rc = test_ava_filter( be, conn, op, e, f->f_ava,
+               rc = test_ava_filter( op, e, f->f_ava,
                    LDAP_FILTER_APPROX );
                break;
 
@@ -140,7 +143,7 @@ test_filter(
                Debug( LDAP_DEBUG_FILTER, "    AND\n", 0, 0, 0 );
 #endif
 
-               rc = test_filter_and( be, conn, op, e, f->f_and );
+               rc = test_filter_and( op, e, f->f_and );
                break;
 
        case LDAP_FILTER_OR:
@@ -150,7 +153,7 @@ test_filter(
                Debug( LDAP_DEBUG_FILTER, "    OR\n", 0, 0, 0 );
 #endif
 
-               rc = test_filter_or( be, conn, op, e, f->f_or );
+               rc = test_filter_or( op, e, f->f_or );
                break;
 
        case LDAP_FILTER_NOT:
@@ -160,7 +163,7 @@ test_filter(
                Debug( LDAP_DEBUG_FILTER, "    NOT\n", 0, 0, 0 );
 #endif
 
-               rc = test_filter( be, conn, op, e, f->f_not );
+               rc = test_filter( op, e, f->f_not );
 
                /* Flip true to false and false to true
                 * but leave Undefined alone.
@@ -182,7 +185,7 @@ test_filter(
                Debug( LDAP_DEBUG_FILTER, "    EXT\n", 0, 0, 0 );
 #endif
 
-               rc = test_mra_filter( be, conn, op, e, f->f_mra );
+               rc = test_mra_filter( op, e, f->f_mra );
                break;
 
        default:
@@ -207,13 +210,12 @@ test_filter(
 }
 
 static int test_mra_filter(
-       Backend *be,
-       Connection *conn,
        Operation *op,
        Entry *e,
        MatchingRuleAssertion *mra )
 {
        Attribute       *a;
+       void *memctx = op ? op->o_tmpmemctx : NULL;
 
        if ( mra->ma_desc ) {
                /*
@@ -221,7 +223,7 @@ static int test_mra_filter(
                 * one attribute, and SEARCH permissions can be checked
                 * directly.
                 */
-               if( !access_allowed( be, conn, op, e,
+               if( !access_allowed( op, e,
                        mra->ma_desc, &mra->ma_value, ACL_SEARCH, NULL ) )
                {
                        return LDAP_INSUFFICIENT_ACCESS;
@@ -232,17 +234,16 @@ static int test_mra_filter(
                        a = attrs_find( a->a_next, mra->ma_desc ) )
                {
                        struct berval *bv;
-#ifdef SLAP_NVALUES
                        /* If ma_rule is not the same as the attribute's
                         * normal rule, then we can't use the a_nvals.
                         */
-                       if (mra->ma_rule == a->a_desc->ad_type->sat_equality)
+                       if (mra->ma_rule == a->a_desc->ad_type->sat_equality) {
                                bv = a->a_nvals;
-                       else
-#endif
+                       } else {
                                bv = a->a_vals;
-                       for ( ; bv->bv_val != NULL; bv++ )
-                       {
+                       }
+
+                       for ( ; bv->bv_val != NULL; bv++ ) {
                                int ret;
                                int rc;
                                const char *text;
@@ -275,31 +276,23 @@ static int test_mra_filter(
                        }
 
                        /* normalize for equality */
-#ifdef SLAP_NVALUES
                        rc = asserted_value_validate_normalize( a->a_desc, mra->ma_rule,
                                SLAP_MR_EXT|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
-                               &mra->ma_value, &value, &text );
-#else
-                       rc = value_validate_normalize( a->a_desc, 
-                               SLAP_MR_EQUALITY,
-                               &mra->ma_value, &value, &text );
-#endif
+                               &mra->ma_value, &value, &text, memctx );
                        if ( rc != LDAP_SUCCESS ) {
                                continue;
                        }
 
                        /* check search access */
-                       if ( !access_allowed( be, conn, op, e,
+                       if ( !access_allowed( op, e,
                                a->a_desc, &value, ACL_SEARCH, NULL ) ) {
                                continue;
                        }
 
                        /* check match */
-#ifdef SLAP_NVALUES
                        if (mra->ma_rule == a->a_desc->ad_type->sat_equality)
                                bv = a->a_nvals;
                        else
-#endif
                                bv = a->a_vals;
                        for ( ; bv->bv_val != NULL; bv++ )
                        {
@@ -322,22 +315,22 @@ static int test_mra_filter(
 
        /* check attrs in DN AVAs if required */
        if ( mra->ma_dnattrs ) {
-               LDAPDN          *dn = NULL;
+               LDAPDN          dn = NULL;
                int             iRDN, iAVA;
                int             rc;
 
                /* parse and pretty the dn */
-               rc = dnPrettyDN( NULL, &e->e_name, &dn );
+               rc = dnPrettyDN( NULL, &e->e_name, &dn, memctx );
                if ( rc != LDAP_SUCCESS ) {
                        return LDAP_INVALID_SYNTAX;
                }
 
                /* for each AVA of each RDN ... */
-               for ( iRDN = 0; dn[ 0 ][ iRDN ]; iRDN++ ) {
-                       LDAPRDN         *rdn = dn[ 0 ][ iRDN ];
+               for ( iRDN = 0; dn[ iRDN ]; iRDN++ ) {
+                       LDAPRDN         rdn = dn[ iRDN ];
 
-                       for ( iAVA = 0; rdn[ 0 ][ iAVA ]; iAVA++ ) {
-                               LDAPAVA         *ava = rdn[ 0 ][ iAVA ];
+                       for ( iAVA = 0; rdn[ iAVA ]; iAVA++ ) {
+                               LDAPAVA         *ava = rdn[ iAVA ];
                                struct berval   *bv = &ava->la_value, value;
                                AttributeDescription *ad = (AttributeDescription *)ava->la_private;
                                int ret;
@@ -362,21 +355,16 @@ static int test_mra_filter(
                                        }
 
                                        /* normalize for equality */
-#ifdef SLAP_NVALUES
                                        rc = asserted_value_validate_normalize( ad,
                                                mra->ma_rule,
                                                SLAP_MR_EXT|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
-                                               &mra->ma_value, &value, &text );
-#else
-                                       rc = value_validate_normalize( ad, SLAP_MR_EQUALITY,
-                                               &mra->ma_value, &value, &text );
-#endif
+                                               &mra->ma_value, &value, &text, memctx );
                                        if ( rc != LDAP_SUCCESS ) {
                                                continue;
                                        }
 
                                        /* check search access */
-                                       if ( !access_allowed( be, conn, op, e,
+                                       if ( !access_allowed( op, e,
                                                ad, &value, ACL_SEARCH, NULL ) ) {
                                                continue;
                                        }
@@ -387,12 +375,12 @@ static int test_mra_filter(
                                        bv, &value, &text );
 
                                if( rc != LDAP_SUCCESS ) {
-                                       ldap_dnfree( dn );
+                                       ldap_dnfree_x( dn, memctx );
                                        return rc;
                                }
 
                                if ( ret == 0 ) {
-                                       ldap_dnfree( dn );
+                                       ldap_dnfree_x( dn, memctx );
                                        return LDAP_COMPARE_TRUE;
                                }
                        }
@@ -404,17 +392,15 @@ static int test_mra_filter(
 
 static int
 test_ava_filter(
-    Backend    *be,
-    Connection *conn,
-    Operation  *op,
-    Entry      *e,
+       Operation       *op,
+       Entry           *e,
        AttributeAssertion *ava,
-    int                type
+       int             type
 )
 {
        Attribute       *a;
 
-       if ( !access_allowed( be, conn, op, e,
+       if ( !access_allowed( op, e,
                ava->aa_desc, &ava->aa_value, ACL_SEARCH, NULL ) )
        {
                return LDAP_INSUFFICIENT_ACCESS;
@@ -451,11 +437,7 @@ test_ava_filter(
                        continue;
                }
 
-#ifdef SLAP_NVALUES
                for ( bv = a->a_nvals; bv->bv_val != NULL; bv++ )
-#else
-               for ( bv = a->a_vals; bv->bv_val != NULL; bv++ )
-#endif
                {
                        int ret;
                        int rc;
@@ -492,7 +474,7 @@ test_ava_filter(
        }
 
        if ( ava->aa_desc == slap_schema.si_ad_hasSubordinates 
-                       && be && be->be_has_subordinates ) {
+                       && op && op->o_bd && op->o_bd->be_has_subordinates ) {
                int             hasSubordinates;
                struct berval   hs;
 
@@ -501,17 +483,15 @@ test_ava_filter(
                 */
                assert( type == LDAP_FILTER_EQUALITY );
                
-               if ( (*be->be_has_subordinates)( be, conn, op, e, &hasSubordinates ) ) {
+               if (op->o_bd->be_has_subordinates( op, e, &hasSubordinates ) != LDAP_SUCCESS) {
                        return LDAP_OTHER;
                }
 
                if ( hasSubordinates == LDAP_COMPARE_TRUE ) {
-                       hs.bv_val = "TRUE";
-                       hs.bv_len = sizeof( "TRUE" ) - 1;
+                       hs = slap_true_bv;
 
                } else if ( hasSubordinates == LDAP_COMPARE_FALSE ) {
-                       hs.bv_val = "FALSE";
-                       hs.bv_len = sizeof( "FALSE" ) - 1;
+                       hs = slap_false_bv;
 
                } else {
                        return LDAP_OTHER;
@@ -530,16 +510,14 @@ test_ava_filter(
 
 static int
 test_presence_filter(
-    Backend    *be,
-    Connection *conn,
-    Operation  *op,
-    Entry      *e,
+       Operation       *op,
+       Entry           *e,
        AttributeDescription *desc
 )
 {
        Attribute       *a;
 
-       if ( !access_allowed( be, conn, op, e, desc, NULL, ACL_SEARCH, NULL ) )
+       if ( !access_allowed( op, e, desc, NULL, ACL_SEARCH, NULL ) )
        {
                return LDAP_INSUFFICIENT_ACCESS;
        }
@@ -554,7 +532,7 @@ test_presence_filter(
                 * is boolean-valued; I think we may live with this 
                 * simplification by now
                 */
-               if ( be && be->be_has_subordinates ) {
+               if ( op && op->o_bd && op->o_bd->be_has_subordinates ) {
                        return LDAP_COMPARE_TRUE;
                }
 
@@ -567,11 +545,9 @@ test_presence_filter(
 
 static int
 test_filter_and(
-    Backend    *be,
-    Connection *conn,
-    Operation  *op,
-    Entry      *e,
-    Filter     *flist
+       Operation       *op,
+       Entry   *e,
+       Filter  *flist
 )
 {
        Filter  *f;
@@ -585,7 +561,7 @@ test_filter_and(
 
 
        for ( f = flist; f != NULL; f = f->f_next ) {
-               int rc = test_filter( be, conn, op, e, f );
+               int rc = test_filter( op, e, f );
 
                if ( rc == LDAP_COMPARE_FALSE ) {
                        /* filter is False */
@@ -610,11 +586,9 @@ test_filter_and(
 
 static int
 test_filter_or(
-    Backend    *be,
-    Connection *conn,
-    Operation  *op,
-    Entry      *e,
-    Filter     *flist
+       Operation       *op,
+       Entry   *e,
+       Filter  *flist
 )
 {
        Filter  *f;
@@ -628,7 +602,7 @@ test_filter_or(
 
 
        for ( f = flist; f != NULL; f = f->f_next ) {
-               int rc = test_filter( be, conn, op, e, f );
+               int rc = test_filter( op, e, f );
 
                if ( rc == LDAP_COMPARE_TRUE ) {
                        /* filter is True */
@@ -654,11 +628,9 @@ test_filter_or(
 
 static int
 test_substrings_filter(
-    Backend    *be,
-    Connection *conn,
-    Operation  *op,
-    Entry      *e,
-    Filter     *f
+       Operation       *op,
+       Entry   *e,
+       Filter  *f
 )
 {
        Attribute       *a;
@@ -670,7 +642,7 @@ test_substrings_filter(
 #endif
 
 
-       if ( !access_allowed( be, conn, op, e,
+       if ( !access_allowed( op, e,
                f->f_sub_desc, NULL, ACL_SEARCH, NULL ) )
        {
                return LDAP_INSUFFICIENT_ACCESS;
@@ -687,11 +659,7 @@ test_substrings_filter(
                        continue;
                }
 
-#ifdef SLAP_NVALUES
                for ( bv = a->a_nvals; bv->bv_val != NULL; bv++ )
-#else
-               for ( bv = a->a_vals; bv->bv_val != NULL; bv++ )
-#endif
                {
                        int ret;
                        int rc;