openldap/servers/slapd/search.c
Howard Chu 15f630545a Changed ma_rule_text to struct berval.
Changed get_filter to struct bervals
2001-12-26 13:47:10 +00:00

351 lines
8.9 KiB
C

/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/* 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 <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "ldap_pvt.h"
#include "slap.h"
int
do_search(
Connection *conn, /* where to send results */
Operation *op /* info about the op to which we're responding */
) {
int i;
ber_int_t scope, deref, attrsonly;
ber_int_t sizelimit, timelimit;
struct berval base = { 0, NULL };
struct berval *pbase = NULL;
struct berval *nbase = NULL;
struct berval fstr = { 0, NULL };
Filter *filter = NULL;
struct berval **attrs = NULL;
Backend *be;
int rc;
const char *text;
int manageDSAit;
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
"do_search: conn %d\n", conn->c_connid ));
#else
Debug( LDAP_DEBUG_TRACE, "do_search\n", 0, 0, 0 );
#endif
/*
* Parse the search request. It looks like this:
*
* SearchRequest := [APPLICATION 3] SEQUENCE {
* baseObject DistinguishedName,
* scope ENUMERATED {
* baseObject (0),
* singleLevel (1),
* wholeSubtree (2)
* },
* derefAliases ENUMERATED {
* neverDerefaliases (0),
* derefInSearching (1),
* derefFindingBaseObj (2),
* alwaysDerefAliases (3)
* },
* sizelimit INTEGER (0 .. 65535),
* timelimit INTEGER (0 .. 65535),
* attrsOnly BOOLEAN,
* filter Filter,
* attributes SEQUENCE OF AttributeType
* }
*/
/* baseObject, scope, derefAliases, sizelimit, timelimit, attrsOnly */
if ( ber_scanf( op->o_ber, "{oiiiib" /*}*/,
&base, &scope, &deref, &sizelimit,
&timelimit, &attrsonly ) == LBER_ERROR )
{
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
rc = SLAPD_DISCONNECT;
goto return_results;
}
switch( scope ) {
case LDAP_SCOPE_BASE:
case LDAP_SCOPE_ONELEVEL:
case LDAP_SCOPE_SUBTREE:
break;
default:
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
NULL, "invalid scope", NULL, NULL );
goto return_results;
}
switch( deref ) {
case LDAP_DEREF_NEVER:
case LDAP_DEREF_FINDING:
case LDAP_DEREF_SEARCHING:
case LDAP_DEREF_ALWAYS:
break;
default:
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
NULL, "invalid deref", NULL, NULL );
goto return_results;
}
rc = dnPretty( NULL, &base, &pbase );
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
"do_search: conn %d invalid dn (%s)\n",
conn->c_connid, base.bv_val ));
#else
Debug( LDAP_DEBUG_ANY,
"do_search: invalid dn (%s)\n", base.bv_val, 0, 0 );
#endif
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
"invalid DN", NULL, NULL );
goto return_results;
}
rc = dnNormalize( NULL, &base, &nbase );
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
"do_searc: conn %d invalid dn (%s)\n",
conn->c_connid, base.bv_val ));
#else
Debug( LDAP_DEBUG_ANY,
"do_search: invalid dn (%s)\n", base.bv_val, 0, 0 );
#endif
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
"invalid DN", NULL, NULL );
goto return_results;
}
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
"do_search \"%s\" %d %d %d %d %d\n", base.bv_val, scope,
deref, sizelimit, timelimit, attrsonly ));
#else
Debug( LDAP_DEBUG_ARGS, "SRCH \"%s\" %d %d", base.bv_val, scope, deref );
Debug( LDAP_DEBUG_ARGS, " %d %d %d\n", sizelimit, timelimit,
attrsonly);
#endif
/* filter - returns a "normalized" version */
rc = get_filter( conn, op->o_ber, &filter, &fstr, &text );
if( rc != LDAP_SUCCESS ) {
if( rc == SLAPD_DISCONNECT ) {
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, text );
} else {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
}
goto return_results;
}
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
"do_search: conn %d filter: %s\n", conn->c_connid, fstr.bv_val ));
#else
Debug( LDAP_DEBUG_ARGS, " filter: %s\n", fstr.bv_val, 0, 0 );
#endif
/* attributes */
if ( ber_scanf( op->o_ber, /*{*/ "{V}}", &attrs ) == LBER_ERROR ) {
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding attrs error" );
rc = SLAPD_DISCONNECT;
goto return_results;
}
if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
"do_search: conn %d get_ctrls failed (%d)\n",
conn->c_connid, rc ));
#else
Debug( LDAP_DEBUG_ANY, "do_search: get_ctrls failed\n", 0, 0, 0 );
#endif
goto return_results;
}
rc = LDAP_SUCCESS;
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
"do_search: conn %d attrs:", conn->c_connid ));
#else
Debug( LDAP_DEBUG_ARGS, " attrs:", 0, 0, 0 );
#endif
if ( attrs != NULL ) {
for ( i = 0; attrs[i] != NULL; i++ ) {
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
"do_search: %s", attrs[i]->bv_val ));
#else
Debug( LDAP_DEBUG_ARGS, " %s", attrs[i]->bv_val, 0, 0 );
#endif
}
}
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ARGS, "\n" ));
#else
Debug( LDAP_DEBUG_ARGS, "\n", 0, 0, 0 );
#endif
Statslog( LDAP_DEBUG_STATS,
"conn=%ld op=%d SRCH base=\"%s\" scope=%d filter=\"%s\"\n",
op->o_connid, op->o_opid, pbase->bv_val, scope, fstr.bv_val );
manageDSAit = get_manageDSAit( op );
if ( scope == LDAP_SCOPE_BASE ) {
Entry *entry = NULL;
if ( strcasecmp( nbase->bv_val, LDAP_ROOT_DSE ) == 0 ) {
#ifdef LDAP_CONNECTIONLESS
/* Ignore LDAPv2 CLDAP DSE queries */
if (op->o_protocol==LDAP_VERSION2 && conn->c_is_udp) {
goto return_results;
}
#endif
/* check restrictions */
rc = backend_check_restrictions( NULL, conn, op, NULL, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto return_results;
}
rc = root_dse_info( conn, &entry, &text );
}
#if defined( SLAPD_SCHEMA_DN )
else if ( strcasecmp( nbase->bv_val, SLAPD_SCHEMA_DN ) == 0 ) {
/* check restrictions */
rc = backend_check_restrictions( NULL, conn, op, NULL, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto return_results;
}
rc = schema_info( &entry, &text );
}
#endif
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto return_results;
} else if ( entry != NULL ) {
rc = test_filter( NULL, conn, op,
entry, filter );
if( rc == LDAP_COMPARE_TRUE ) {
send_search_entry( NULL, conn, op,
entry, attrs, attrsonly, NULL );
}
entry_free( entry );
send_ldap_result( conn, op, LDAP_SUCCESS,
NULL, NULL, NULL, NULL );
goto return_results;
}
}
if( !nbase->bv_len && default_search_nbase.bv_len ) {
ch_free( base.bv_val );
ch_free( nbase->bv_val );
base.bv_val = ch_strdup( default_search_base.bv_val );
base.bv_len = default_search_base.bv_len;
nbase->bv_val = ch_strdup( default_search_nbase.bv_val );
nbase->bv_len = default_search_nbase.bv_len;
}
/*
* 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( nbase, manageDSAit, 1 )) == NULL ) {
struct berval **ref = referral_rewrite( default_referral,
NULL, pbase->bv_val, scope );
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
NULL, NULL, ref ? ref : default_referral, NULL );
ber_bvecfree( ref );
goto return_results;
}
/* 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 return_results;
}
/* check for referrals */
rc = backend_check_referrals( be, conn, op, pbase, nbase );
if ( rc != LDAP_SUCCESS ) {
goto return_results;
}
/* deref the base if needed */
suffix_alias( be, nbase );
/* actually do the search and send the result(s) */
if ( be->be_search ) {
(*be->be_search)( be, conn, op, pbase->bv_val, nbase->bv_val,
scope, deref, sizelimit,
timelimit, filter, fstr.bv_val, attrs, attrsonly );
} else {
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "operation not supported within namingContext", NULL, NULL );
}
return_results:;
free( base.bv_val );
if( pbase != NULL) ber_bvfree( pbase );
if( nbase != NULL) ber_bvfree( nbase );
if( fstr.bv_val != NULL) free( fstr.bv_val );
if( filter != NULL) filter_free( filter );
if ( attrs != NULL ) {
ber_bvecfree( attrs );
}
return rc;
}