+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
/*
* Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
* is provided ``as is'' without express or implied warranty.
*/
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include "slap.h"
+#include "portable.h"
-extern Backend *select_backend();
+#include <stdio.h>
+#include <ac/socket.h>
-extern char *default_referral;
+#include "ldap_pvt.h"
+#include "slap.h"
-void
+int
do_compare(
Connection *conn,
Operation *op
)
{
- char *dn;
- Ava ava;
- int rc;
+ char *dn = NULL, *ndn=NULL;
+ struct berval desc;
+ struct berval value;
+ struct berval *nvalue;
+ AttributeAssertion ava;
Backend *be;
+ int rc = LDAP_SUCCESS;
+ const char *text = NULL;
+ int manageDSAit;
- Debug( LDAP_DEBUG_TRACE, "do_compare\n", 0, 0, 0 );
+ ava.aa_desc = NULL;
+ desc.bv_val = NULL;
+ value.bv_val = NULL;
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+ "do_compare: conn %d\n", conn->c_connid ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "do_compare\n", 0, 0, 0 );
+#endif
/*
* Parse the compare request. It looks like this:
*
* }
*/
- if ( ber_scanf( op->o_ber, "{a{ao}}", &dn, &ava.ava_type,
- &ava.ava_value ) == LBER_ERROR ) {
+ if ( ber_scanf( op->o_ber, "{a" /*}*/, &dn ) == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "do_compare: conn %d ber_scanf failed\n", conn->c_connid ));
+#else
Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
- send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL, "" );
- return;
+#endif
+ send_ldap_disconnect( conn, op,
+ LDAP_PROTOCOL_ERROR, "decoding error" );
+ return SLAPD_DISCONNECT;
}
- value_normalize( ava.ava_value.bv_val, attr_syntax( ava.ava_type ) );
- dn_normalize( dn );
- Debug( LDAP_DEBUG_ARGS, "do_compare: dn (%s) attr (%s) value (%s)\n",
- dn, ava.ava_type, ava.ava_value.bv_val );
+ if ( ber_scanf( op->o_ber, "{oo}", &desc, &value ) == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "do_compare: conn %d get ava failed\n", conn->c_connid ));
+#else
+ Debug( LDAP_DEBUG_ANY, "do_compare: get ava failed\n", 0, 0, 0 );
+#endif
+ send_ldap_disconnect( conn, op,
+ LDAP_PROTOCOL_ERROR, "decoding error" );
+ rc = SLAPD_DISCONNECT;
+ goto cleanup;
+ }
+
+ if ( ber_scanf( op->o_ber, /*{*/ "}" ) == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "do_compare: conn %d ber_scanf failed\n", conn->c_connid ));
+#else
+ Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
+#endif
+ send_ldap_disconnect( conn, op,
+ LDAP_PROTOCOL_ERROR, "decoding error" );
+ rc = SLAPD_DISCONNECT;
+ goto cleanup;
+ }
+
+ if( ( rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+ "do_compare: conn %d get_ctrls failed\n", conn->c_connid ));
+#else
+ Debug( LDAP_DEBUG_ANY, "do_compare: get_ctrls failed\n", 0, 0, 0 );
+#endif
+ goto cleanup;
+ }
+
+ ndn = ch_strdup( dn );
+
+ if( dn_normalize( ndn ) == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+ "do_compare: conn %d invalid dn (%s)\n",
+ conn->c_connid, dn ));
+#else
+ Debug( LDAP_DEBUG_ANY, "do_compare: invalid dn (%s)\n", dn, 0, 0 );
+#endif
+ send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
+ "invalid DN", NULL, NULL );
+ goto cleanup;
+ }
+
+ if( *ndn == '\0' ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
+ "do_compare: conn %d compare to root DSE!\n",
+ conn->c_connid ));
+#else
+ Debug( LDAP_DEBUG_ANY, "do_compare: root dse!\n", 0, 0, 0 );
+#endif
+ send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
+ NULL, "compare upon the root DSE not supported", NULL, NULL );
+ goto cleanup;
+ }
- Statslog( LDAP_DEBUG_STATS, "conn=%d op=%d CMP dn=\"%s\" attr=\"%s\"\n",
- conn->c_connid, op->o_opid, dn, ava.ava_type, 0 );
+ 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.
*/
- if ( (be = select_backend( dn )) == NULL ) {
- free( dn );
- ava_free( &ava, 0 );
+ if ( (be = select_backend( ndn, manageDSAit )) == NULL ) {
+ send_ldap_result( conn, op, rc = LDAP_REFERRAL,
+ NULL, NULL, default_referral, NULL );
+ rc = 1;
+ goto cleanup;
+ }
+
+ /* check restrictions */
+ rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
+ if( rc != LDAP_SUCCESS ) {
+ send_ldap_result( conn, op, rc,
+ NULL, text, NULL, NULL );
+ goto cleanup;
+ }
+
+ /* check for referrals */
+ rc = backend_check_referrals( be, conn, op, dn, ndn );
+ if ( rc != LDAP_SUCCESS ) {
+ goto cleanup;
+ }
+
+ rc = slap_bv2ad( &desc, &ava.aa_desc, &text );
+ if( rc != LDAP_SUCCESS ) {
+ send_ldap_result( conn, op, rc, NULL,
+ text, NULL, NULL );
+ goto cleanup;
+ }
+
+ if( !ava.aa_desc->ad_type->sat_equality ) {
+ /* no equality matching rule */
+ send_ldap_result( conn, op, rc = LDAP_INAPPROPRIATE_MATCHING, NULL,
+ "no equality matching rule defined", NULL, NULL );
+ goto cleanup;
+ }
- send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
- default_referral );
- return;
+ rc = value_normalize( ava.aa_desc, SLAP_MR_EQUALITY, &value, &nvalue, &text );
+
+ if( rc != LDAP_SUCCESS ) {
+ send_ldap_result( conn, op, rc, NULL,
+ text, NULL, NULL );
+ goto cleanup;
}
- if ( be->be_compare != NULL ) {
- (*be->be_compare)( be, conn, op, dn, &ava );
+ ava.aa_value = nvalue;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
+ "do_compare: conn %d dn (%s) attr(%s) value (%s)\n",
+ conn->c_connid, dn, ava.aa_desc->ad_cname->bv_val,
+ ava.aa_value->bv_val ));
+#else
+ Debug( LDAP_DEBUG_ARGS, "do_compare: dn (%s) attr (%s) value (%s)\n",
+ dn, ava.aa_desc->ad_cname->bv_val, ava.aa_value->bv_val );
+#endif
+
+ Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d CMP dn=\"%s\" attr=\"%s\"\n",
+ op->o_connid, op->o_opid, dn, ava.aa_desc->ad_cname->bv_val, 0 );
+
+
+ /* deref suffix alias if appropriate */
+ ndn = suffix_alias( be, ndn );
+
+ if ( be->be_compare ) {
+ (*be->be_compare)( be, conn, op, dn, ndn, &ava );
} else {
- send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
- "Function not implemented" );
+ send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
+ NULL, "operation not supported within namingContext", NULL, NULL );
}
+cleanup:
free( dn );
- ava_free( &ava, 0 );
+ free( ndn );
+ free( desc.bv_val );
+ free( value.bv_val );
+ if( ava.aa_desc != NULL ) {
+ ad_free( ava.aa_desc, 1 );
+ }
+
+ return rc;
}