openldap/servers/slapd/search.c

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/*
* 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.
*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
#include <ac/socket.h>
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#include "ldapconfig.h"
#include "slap.h"
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void
do_search(
Connection *conn, /* where to send results */
Operation *op /* info about the op to which we're responding */
)
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{
int i, err;
int scope, deref, attrsonly;
int sizelimit, timelimit;
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char *base = NULL, *fstr = NULL;
Filter *filter = NULL;
char **attrs = NULL;
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Backend *be;
Debug( LDAP_DEBUG_TRACE, "do_search\n", 0, 0, 0 );
/*
* 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, "{aiiiib", &base, &scope, &deref, &sizelimit,
&timelimit, &attrsonly ) == LBER_ERROR ) {
send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL, "" );
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goto return_results;
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}
if ( scope != LDAP_SCOPE_BASE && scope != LDAP_SCOPE_ONELEVEL
&& scope != LDAP_SCOPE_SUBTREE ) {
send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL,
"Unknown search scope" );
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goto return_results;
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}
(void) dn_normalize_case( base );
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Debug( LDAP_DEBUG_ARGS, "SRCH \"%s\" %d %d", base, scope, deref );
Debug( LDAP_DEBUG_ARGS, " %d %d %d\n", sizelimit, timelimit,
attrsonly);
/* filter - returns a "normalized" version */
if ( (err = get_filter( conn, op->o_ber, &filter, &fstr )) != 0 ) {
send_ldap_result( conn, op, err, NULL, "Bad search filter" );
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goto return_results;
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}
Debug( LDAP_DEBUG_ARGS, " filter: %s\n", fstr, 0, 0 );
/* attributes */
if ( ber_scanf( op->o_ber, "{v}}", &attrs ) == LBER_ERROR ) {
send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL, "" );
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goto return_results;
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}
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Debug( LDAP_DEBUG_ARGS, " attrs:", 0, 0, 0 );
if ( attrs != NULL ) {
for ( i = 0; attrs[i] != NULL; i++ ) {
attr_normalize( attrs[i] );
Debug( LDAP_DEBUG_ARGS, " %s", attrs[i], 0, 0 );
}
}
Debug( LDAP_DEBUG_ARGS, "\n", 0, 0, 0 );
Statslog( LDAP_DEBUG_STATS,
"conn=%d op=%d SRCH base=\"%s\" scope=%d filter=\"%s\"\n",
conn->c_connid, op->o_opid, base, scope, fstr );
#if defined( SLAPD_MONITOR_DN ) || defined( SLAPD_CONFIG_DN ) || defined( SLAPD_SCHEMA_DN )
if ( scope == LDAP_SCOPE_BASE ) {
#if defined( SLAPD_MONITOR_DN )
if ( strcmp( base, SLAPD_MONITOR_DN ) == 0 ) {
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monitor_info( conn, op );
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goto return_results;
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}
#endif
#if defined( SLAPD_CONFIG_DN )
if ( strcmp( base, SLAPD_CONFIG_DN ) == 0 ) {
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config_info( conn, op );
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goto return_results;
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}
#endif
#if defined( SLAPD_SCHEMA_DN )
if ( strcmp( base, SLAPD_SCHEMA_DN ) == 0 ) {
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schema_info( conn, op );
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goto return_results;
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}
#endif
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if ( strcmp( base, LDAP_ROOT_DSE ) == 0 ) {
root_dse_info( conn, op );
goto return_results;
}
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}
#endif /* monitor or config or schema dn */
/*
* 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( base )) == NULL ) {
send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
default_referral );
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goto return_results;
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}
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/* translate the base if it matches an aliased base part */
base = suffixAlias ( base, op, be );
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/* actually do the search and send the result(s) */
if ( be->be_search ) {
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(*be->be_search)( be, conn, op, base, scope, deref, sizelimit,
timelimit, filter, fstr, attrs, attrsonly );
} else {
send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
"Function not implemented" );
}
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return_results:;
if( base != NULL) free( base );
if( fstr != NULL) free( fstr );
if( filter != NULL) filter_free( filter );
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if ( attrs != NULL ) {
charray_free( attrs );
}
}