-/*
- * Copyright (c) 1995 Regents of the University of Michigan.
+/* $OpenLDAP$ */
+/* 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
#include "portable.h"
#include <stdio.h>
-
#include <ac/socket.h>
+#include <ac/string.h>
+#include "ldap_pvt.h"
#include "slap.h"
+#ifdef LDAP_SLAPI
+#include "slapi.h"
+#endif
+
+static int compare_entry(
+ Operation *op,
+ Entry *e,
+ AttributeAssertion *ava );
int
do_compare(
- Connection *conn,
- Operation *op
+ Operation *op,
+ SlapReply *rs
)
{
- char *ndn;
- Ava ava;
- Backend *be;
- int rc = LDAP_SUCCESS;
+ Entry *entry = NULL;
+ struct berval dn = { 0, NULL };
+ struct berval desc = { 0, NULL };
+ struct berval value = { 0, NULL };
+ AttributeAssertion ava = { NULL, { 0, NULL } };
+ int manageDSAit;
- Debug( LDAP_DEBUG_TRACE, "do_compare\n", 0, 0, 0 );
+ ava.aa_desc = NULL;
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, ENTRY, "do_compare: conn %d\n", op->o_connid, 0, 0 );
+#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}}", &ndn, &ava.ava_type,
- &ava.ava_value ) == LBER_ERROR ) {
+ if ( ber_scanf( op->o_ber, "{m" /*}*/, &dn ) == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, ERR,
+ "do_compare: conn %d ber_scanf failed\n", op->o_connid, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
+#endif
+ send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+ return SLAPD_DISCONNECT;
+ }
+
+ if ( ber_scanf( op->o_ber, "{mm}", &desc, &value ) == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, ERR,
+ "do_compare: conn %d get ava failed\n", op->o_connid, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY, "do_compare: get ava failed\n", 0, 0, 0 );
+#endif
+ send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+ return SLAPD_DISCONNECT;
+ }
+
+ if ( ber_scanf( op->o_ber, /*{*/ "}" ) == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, ERR,
+ "do_compare: conn %d ber_scanf failed\n", op->o_connid, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
- send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR, NULL, "" );
- return rc;
+#endif
+ send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+ return SLAPD_DISCONNECT;
}
-#ifdef GET_CTRLS
- if( ( rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
- free( ndn );
- ava_free( &ava, 0 );
+ if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "do_compare: conn %d get_ctrls failed\n", op->o_connid, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY, "do_compare: get_ctrls failed\n", 0, 0, 0 );
- return rc;
+#endif
+ 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 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "do_compare: conn %d invalid dn (%s)\n",
+ op->o_connid, dn.bv_val, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "do_compare: invalid dn (%s)\n", dn.bv_val, 0, 0 );
#endif
+ send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
+ goto cleanup;
+ }
- value_normalize( ava.ava_value.bv_val, attr_syntax( ava.ava_type ) );
+ rs->sr_err = slap_bv2ad( &desc, &ava.aa_desc, &rs->sr_text );
+ if( rs->sr_err != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ goto cleanup;
+ }
- Debug( LDAP_DEBUG_ARGS, "do_compare: dn (%s) attr (%s) value (%s)\n",
- ndn, ava.ava_type, ava.ava_value.bv_val );
+ rs->sr_err = asserted_value_validate_normalize( ava.aa_desc,
+ ava.aa_desc->ad_type->sat_equality,
+ SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
+ &value, &ava.aa_value, &rs->sr_text, op->o_tmpmemctx );
+ if( rs->sr_err != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ goto cleanup;
+ }
+
+ if( strcasecmp( op->o_req_ndn.bv_val, LDAP_ROOT_DSE ) == 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, 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 );
+#else
+ 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 );
+#endif
+
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu op=%lu CMP dn=\"%s\" attr=\"%s\"\n",
+ op->o_connid, op->o_opid, op->o_req_dn.bv_val,
+ ava.aa_desc->ad_cname.bv_val, 0 );
+
+ if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ goto cleanup;
+ }
+
+ rs->sr_err = root_dse_info( op->o_conn, &entry, &rs->sr_text );
+ if( rs->sr_err != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ goto cleanup;
+ }
+
+ } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, 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 );
+#else
+ 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 );
+#endif
- ndn = dn_normalize_case( ndn );
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu op=%lu CMP dn=\"%s\" attr=\"%s\"\n",
+ op->o_connid, op->o_opid, op->o_req_dn.bv_val,
+ ava.aa_desc->ad_cname.bv_val, 0 );
- Statslog( LDAP_DEBUG_STATS, "conn=%d op=%d CMP dn=\"%s\" attr=\"%s\"\n",
- conn->c_connid, op->o_opid, ndn, ava.ava_type, 0 );
+ if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ rs->sr_err = 0;
+ goto cleanup;
+ }
+
+ rs->sr_err = schema_info( &entry, &rs->sr_text );
+ if( rs->sr_err != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ rs->sr_err = 0;
+ goto cleanup;
+ }
+ }
+
+ if( entry ) {
+ rs->sr_err = compare_entry( op, entry, &ava );
+ entry_free( entry );
+
+ send_ldap_result( op, rs );
+
+ if( rs->sr_err == LDAP_COMPARE_TRUE || rs->sr_err == LDAP_COMPARE_FALSE ) {
+ rs->sr_err = 0;
+ }
+
+ 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.
*/
- if ( (be = select_backend( ndn )) == NULL ) {
- free( ndn );
- ava_free( &ava, 0 );
+ if ( (op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 )) == NULL ) {
+ rs->sr_ref = referral_rewrite( default_referral,
+ NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
- send_ldap_result( conn, op, rc = LDAP_PARTIAL_RESULTS, NULL,
- default_referral );
- return 1;
+ rs->sr_err = LDAP_REFERRAL;
+ if (!rs->sr_ref) rs->sr_ref = default_referral;
+ send_ldap_result( op, rs );
+
+ if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
+ rs->sr_err = 0;
+ goto cleanup;
+ }
+
+ /* check restrictions */
+ if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ goto cleanup;
+ }
+
+ /* check for referrals */
+ if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
+ goto cleanup;
}
- /* alias suffix if approp */
- ndn = suffixAlias( ndn, op, be );
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, 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 );
+#else
+ 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 );
+#endif
+
+ Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu CMP dn=\"%s\" attr=\"%s\"\n",
+ op->o_connid, op->o_opid, op->o_req_dn.bv_val,
+ ava.aa_desc->ad_cname.bv_val, 0 );
- if ( be->be_compare ) {
- (*be->be_compare)( be, conn, op, ndn, &ava );
+#if defined( LDAP_SLAPI )
+#define pb op->o_pb
+ if ( pb ) {
+ slapi_x_pblock_set_operation( pb, op );
+ slapi_pblock_set( pb, SLAPI_COMPARE_TARGET, (void *)dn.bv_val );
+ slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
+ slapi_pblock_set( pb, SLAPI_COMPARE_TYPE, (void *)desc.bv_val );
+ slapi_pblock_set( pb, SLAPI_COMPARE_VALUE, (void *)&value );
+
+ rs->sr_err = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_COMPARE_FN, pb );
+ if ( rs->sr_err < 0 ) {
+ /*
+ * A preoperation plugin failure will abort the
+ * entire operation.
+ */
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO, "do_compare: compare preoperation plugin "
+ "failed\n", 0, 0, 0);
+#else
+ Debug(LDAP_DEBUG_TRACE, "do_compare: compare preoperation plugin "
+ "failed.\n", 0, 0, 0);
+#endif
+ if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE, (void *)&rs->sr_err ) != 0 ) ||
+ rs->sr_err == LDAP_SUCCESS ) {
+ rs->sr_err = LDAP_OTHER;
+ }
+ goto cleanup;
+ }
+ }
+#endif /* defined( LDAP_SLAPI ) */
+
+ if ( op->o_bd->be_compare ) {
+ op->orc_ava = &ava;
+ op->o_bd->be_compare( op, rs );
} else {
- send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM, NULL,
- "Function not implemented" );
+ send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+ "operation not supported within namingContext" );
+ }
+
+#if defined( LDAP_SLAPI )
+ if ( pb && doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_COMPARE_FN, pb ) < 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO, "do_compare: compare postoperation plugins "
+ "failed\n", 0, 0, 0 );
+#else
+ Debug(LDAP_DEBUG_TRACE, "do_compare: compare postoperation plugins "
+ "failed.\n", 0, 0, 0);
+#endif
+ }
+#endif /* defined( LDAP_SLAPI ) */
+
+cleanup:
+ op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
+ op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+ if ( ava.aa_value.bv_val ) op->o_tmpfree( ava.aa_value.bv_val, op->o_tmpmemctx );
+
+ return rs->sr_err;
+}
+
+static int compare_entry(
+ Operation *op,
+ Entry *e,
+ AttributeAssertion *ava )
+{
+ int rc = LDAP_NO_SUCH_ATTRIBUTE;
+ Attribute *a;
+
+ if ( ! access_allowed( op, e,
+ ava->aa_desc, &ava->aa_value, ACL_COMPARE, NULL ) )
+ {
+ return LDAP_INSUFFICIENT_ACCESS;
}
- free( ndn );
- ava_free( &ava, 0 );
+ for(a = attrs_find( e->e_attrs, ava->aa_desc );
+ a != NULL;
+ a = attrs_find( a->a_next, ava->aa_desc ))
+ {
+ rc = LDAP_COMPARE_FALSE;
+
+ if ( value_find_ex( ava->aa_desc,
+ SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
+ SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
+ a->a_nvals,
+ &ava->aa_value, op->o_tmpmemctx ) == 0 )
+ {
+ rc = LDAP_COMPARE_TRUE;
+ break;
+ }
+ }
return rc;
}