]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/compare.c
More ITS#6532: Support (:UUIDOrderingMatch:=foo)
[openldap] / servers / slapd / compare.c
index 9dc1af8d939523cad8ea5f62ad404599517f382d..bc62375a470ed0fe23fb6607b86bc3e6ac962517 100644 (file)
@@ -1,7 +1,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2005 The OpenLDAP Foundation.
+ * Copyright 1998-2011 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
 
 #include "slap.h"
 
-static int compare_entry(
-       Operation *op,
-       Entry *e,
-       AttributeAssertion *ava );
-
 int
 do_compare(
     Operation  *op,
@@ -44,15 +39,10 @@ do_compare(
        struct berval dn = BER_BVNULL;
        struct berval desc = BER_BVNULL;
        struct berval value = BER_BVNULL;
-#ifdef LDAP_COMP_MATCH
-       AttributeAssertion ava = { NULL, BER_BVNULL, NULL };
-#else
-       AttributeAssertion ava = { NULL, BER_BVNULL };
-#endif
+       AttributeAssertion ava = ATTRIBUTEASSERTION_INIT;
 
-       ava.aa_desc = NULL;
-
-       Debug( LDAP_DEBUG_TRACE, "do_compare\n", 0, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, "%s do_compare\n",
+               op->o_log_prefix, 0, 0 );
        /*
         * Parse the compare request.  It looks like this:
         *
@@ -66,37 +56,46 @@ do_compare(
         */
 
        if ( ber_scanf( op->o_ber, "{m" /*}*/, &dn ) == LBER_ERROR ) {
-               Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
+               Debug( LDAP_DEBUG_ANY, "%s do_compare: ber_scanf failed\n",
+                       op->o_log_prefix, 0, 0 );
                send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
                return SLAPD_DISCONNECT;
        }
 
        if ( ber_scanf( op->o_ber, "{mm}", &desc, &value ) == LBER_ERROR ) {
-               Debug( LDAP_DEBUG_ANY, "do_compare: get ava failed\n", 0, 0, 0 );
+               Debug( LDAP_DEBUG_ANY, "%s do_compare: get ava failed\n",
+                       op->o_log_prefix, 0, 0 );
                send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
                return SLAPD_DISCONNECT;
        }
 
        if ( ber_scanf( op->o_ber, /*{*/ "}" ) == LBER_ERROR ) {
-               Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
+               Debug( LDAP_DEBUG_ANY, "%s do_compare: ber_scanf failed\n",
+                       op->o_log_prefix, 0, 0 );
                send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
                return SLAPD_DISCONNECT;
        }
 
        if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
-               Debug( LDAP_DEBUG_ANY, "do_compare: get_ctrls failed\n", 0, 0, 0 );
+               Debug( LDAP_DEBUG_ANY, "%s do_compare: get_ctrls failed\n",
+                       op->o_log_prefix, 0, 0 );
                goto cleanup;
        } 
 
        rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
                op->o_tmpmemctx );
        if( rs->sr_err != LDAP_SUCCESS ) {
-               Debug( LDAP_DEBUG_ANY,
-                       "do_compare: invalid dn (%s)\n", dn.bv_val, 0, 0 );
+               Debug( LDAP_DEBUG_ANY, "%s do_compare: invalid dn (%s)\n",
+                       op->o_log_prefix, dn.bv_val, 0 );
                send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
                goto cleanup;
        }
 
+       Statslog( LDAP_DEBUG_STATS,
+               "%s CMP dn=\"%s\" attr=\"%s\"\n",
+               op->o_log_prefix, op->o_req_dn.bv_val,
+               desc.bv_val, 0, 0 );
+
        rs->sr_err = slap_bv2ad( &desc, &ava.aa_desc, &rs->sr_text );
        if( rs->sr_err != LDAP_SUCCESS ) {
                rs->sr_err = slap_bv2undef_ad( &desc, &ava.aa_desc,
@@ -119,6 +118,11 @@ do_compare(
 
        op->orc_ava = &ava;
 
+       Debug( LDAP_DEBUG_ARGS,
+               "do_compare: dn (%s) attr (%s) value (%s)\n",
+               op->o_req_dn.bv_val,
+               ava.aa_desc->ad_cname.bv_val, ava.aa_value.bv_val );
+
        op->o_bd = frontendDB;
        rs->sr_err = frontendDB->be_compare( op, rs );
 
@@ -135,21 +139,11 @@ cleanup:;
 int
 fe_op_compare( Operation *op, SlapReply *rs )
 {
-       Entry *entry = NULL;
-       int manageDSAit;
-       AttributeAssertion ava = *op->orc_ava;
+       Entry                   *entry = NULL;
+       AttributeAssertion      *ava = op->orc_ava;
+       BackendDB               *bd = op->o_bd;
 
        if( strcasecmp( op->o_req_ndn.bv_val, LDAP_ROOT_DSE ) == 0 ) {
-               Debug( LDAP_DEBUG_ARGS,
-                       "do_compare: dn (%s) attr (%s) value (%s)\n",
-                       op->o_req_dn.bv_val,
-                       ava.aa_desc->ad_cname.bv_val, ava.aa_value.bv_val );
-
-               Statslog( LDAP_DEBUG_STATS,
-                       "%s CMP dn=\"%s\" attr=\"%s\"\n",
-                       op->o_log_prefix, op->o_req_dn.bv_val,
-                       ava.aa_desc->ad_cname.bv_val, 0, 0 );
-
                if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
                        send_ldap_result( op, rs );
                        goto cleanup;
@@ -162,15 +156,6 @@ fe_op_compare( Operation *op, SlapReply *rs )
                }
 
        } else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
-               Debug( LDAP_DEBUG_ARGS, "do_compare: dn (%s) attr (%s) value (%s)\n",
-                       op->o_req_dn.bv_val,
-                       ava.aa_desc->ad_cname.bv_val, ava.aa_value.bv_val );
-
-               Statslog( LDAP_DEBUG_STATS,
-                       "%s CMP dn=\"%s\" attr=\"%s\"\n",
-                       op->o_log_prefix, op->o_req_dn.bv_val,
-                       ava.aa_desc->ad_cname.bv_val, 0, 0 );
-
                if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
                        send_ldap_result( op, rs );
                        rs->sr_err = 0;
@@ -186,7 +171,7 @@ fe_op_compare( Operation *op, SlapReply *rs )
        }
 
        if( entry ) {
-               rs->sr_err = compare_entry( op, entry, &ava );
+               rs->sr_err = slap_compare_entry( op, entry, ava );
                entry_free( entry );
 
                send_ldap_result( op, rs );
@@ -200,23 +185,20 @@ fe_op_compare( Operation *op, SlapReply *rs )
                goto cleanup;
        }
 
-       manageDSAit = get_manageDSAit( op );
-
        /*
         * We could be serving multiple database backends.  Select the
         * appropriate one, or send a referral to our "referral server"
         * if we don't hold it.
         */
-       op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
+       op->o_bd = select_backend( &op->o_req_ndn, 0 );
        if ( op->o_bd == NULL ) {
                rs->sr_ref = referral_rewrite( default_referral,
                        NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 
                rs->sr_err = LDAP_REFERRAL;
                if (!rs->sr_ref) rs->sr_ref = default_referral;
-               op->o_bd = frontendDB;
+               op->o_bd = bd;
                send_ldap_result( op, rs );
-               op->o_bd = NULL;
 
                if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
                rs->sr_err = 0;
@@ -234,25 +216,21 @@ fe_op_compare( Operation *op, SlapReply *rs )
                goto cleanup;
        }
 
-       Debug( LDAP_DEBUG_ARGS, "do_compare: dn (%s) attr (%s) value (%s)\n",
-           op->o_req_dn.bv_val,
-               ava.aa_desc->ad_cname.bv_val, ava.aa_value.bv_val );
-
-       Statslog( LDAP_DEBUG_STATS, "%s CMP dn=\"%s\" attr=\"%s\"\n",
-               op->o_log_prefix, op->o_req_dn.bv_val,
-               ava.aa_desc->ad_cname.bv_val, 0, 0 );
+       if ( SLAP_SHADOW(op->o_bd) && get_dontUseCopy(op) ) {
+               /* don't use shadow copy */
+               send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+                       "copy not used" );
 
-       op->orc_ava = &ava;
-       if ( ava.aa_desc == slap_schema.si_ad_entryDN ) {
+       } else if ( ava->aa_desc == slap_schema.si_ad_entryDN ) {
                send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
                        "entryDN compare not supported" );
 
-       } else if ( ava.aa_desc == slap_schema.si_ad_subschemaSubentry ) {
+       } else if ( ava->aa_desc == slap_schema.si_ad_subschemaSubentry ) {
                send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
                        "subschemaSubentry compare not supported" );
 
 #ifndef SLAP_COMPARE_IN_FRONTEND
-       } else if ( ava.aa_desc == slap_schema.si_ad_hasSubordinates
+       } else if ( ava->aa_desc == slap_schema.si_ad_hasSubordinates
                && op->o_bd->be_has_subordinates )
        {
                int     rc, hasSubordinates = LDAP_SUCCESS;
@@ -260,7 +238,7 @@ fe_op_compare( Operation *op, SlapReply *rs )
                rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &entry );
                if ( rc == 0 && entry ) {
                        if ( ! access_allowed( op, entry,
-                               ava.aa_desc, &ava.aa_value, ACL_COMPARE, NULL ) )
+                               ava->aa_desc, &ava->aa_value, ACL_COMPARE, NULL ) )
                        {       
                                rc = rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
                                
@@ -274,7 +252,7 @@ fe_op_compare( Operation *op, SlapReply *rs )
                if ( rc == 0 ) {
                        int     asserted;
 
-                       asserted = bvmatch( &ava.aa_value, &slap_true_bv )
+                       asserted = bvmatch( &ava->aa_value, &slap_true_bv )
                                ? LDAP_COMPARE_TRUE : LDAP_COMPARE_FALSE;
                        if ( hasSubordinates == asserted ) {
                                rs->sr_err = LDAP_COMPARE_TRUE;
@@ -284,7 +262,6 @@ fe_op_compare( Operation *op, SlapReply *rs )
                        }
 
                } else {
-#ifdef SLAP_ACL_HONOR_DISCLOSE
                        /* return error only if "disclose"
                         * is granted on the object */
                        if ( backend_access( op, NULL, &op->o_req_ndn,
@@ -293,7 +270,6 @@ fe_op_compare( Operation *op, SlapReply *rs )
                        {
                                rs->sr_err = LDAP_NO_SUCH_OBJECT;
                        }
-#endif /* SLAP_ACL_HONOR_DISCLOSE */
                }
 
                send_ldap_result( op, rs );
@@ -325,10 +301,9 @@ fe_op_compare( Operation *op, SlapReply *rs )
                int             rc = LDAP_OTHER;
 
                rs->sr_err = backend_attribute( op, NULL, &op->o_req_ndn,
-                               ava.aa_desc, &vals, ACL_COMPARE );
+                               ava->aa_desc, &vals, ACL_COMPARE );
                switch ( rs->sr_err ) {
                default:
-#ifdef SLAP_ACL_HONOR_DISCLOSE
                        /* return error only if "disclose"
                         * is granted on the object */
                        if ( backend_access( op, NULL, &op->o_req_ndn,
@@ -338,14 +313,13 @@ fe_op_compare( Operation *op, SlapReply *rs )
                        {
                                rs->sr_err = LDAP_NO_SUCH_OBJECT;
                        }
-#endif /* SLAP_ACL_HONOR_DISCLOSE */
                        break;
 
                case LDAP_SUCCESS:
                        if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
                                SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
                                        SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
-                               vals, &ava.aa_value, op->o_tmpmemctx ) == 0 )
+                               vals, &ava->aa_value, op->o_tmpmemctx ) == 0 )
                        {
                                rs->sr_err = LDAP_COMPARE_TRUE;
                                break;
@@ -369,10 +343,11 @@ fe_op_compare( Operation *op, SlapReply *rs )
        }
 
 cleanup:;
+       op->o_bd = bd;
        return rs->sr_err;
 }
 
-static int compare_entry(
+int slap_compare_entry(
        Operation *op,
        Entry *e,
        AttributeAssertion *ava )
@@ -387,13 +362,20 @@ static int compare_entry(
                goto done;
        }
 
+       if ( get_assert( op ) &&
+               ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
+       {
+               rc = LDAP_ASSERTION_FAILED;
+               goto done;
+       }
+
        a = attrs_find( e->e_attrs, ava->aa_desc );
        if( a == NULL ) {
                rc = LDAP_NO_SUCH_ATTRIBUTE;
                goto done;
        }
 
-       for(a = attrs_find( e->e_attrs, ava->aa_desc );
+       for(;
                a != NULL;
                a = attrs_find( a->a_next, ava->aa_desc ))
        {
@@ -404,10 +386,10 @@ static int compare_entry(
                        break;
                }
 
-               if ( value_find_ex( ava->aa_desc,
+               if ( attr_valfind( a, 
                        SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
                                SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
-                       a->a_nvals, &ava->aa_value, op->o_tmpmemctx ) == 0 )
+                       &ava->aa_value, NULL, op->o_tmpmemctx ) == 0 )
                {
                        rc = LDAP_COMPARE_TRUE;
                        break;
@@ -415,7 +397,6 @@ static int compare_entry(
        }
 
 done:
-#ifdef LDAP_ACL_HONOR_DISCLOSE
        if( rc != LDAP_COMPARE_TRUE && rc != LDAP_COMPARE_FALSE ) {
                if ( ! access_allowed( op, e,
                        slap_schema.si_ad_entry, NULL, ACL_DISCLOSE, NULL ) )
@@ -423,7 +404,6 @@ done:
                        rc = LDAP_NO_SUCH_OBJECT;
                }
        }
-#endif
 
        return rc;
 }