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      1 /*	$NetBSD: getentry.c,v 1.4 2025/09/05 21:16:21 christos Exp $	*/
      2 
      3 /* $OpenLDAP$ */
      4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
      5  *
      6  * Copyright 1998-2024 The OpenLDAP Foundation.
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted only as authorized by the OpenLDAP
     11  * Public License.
     12  *
     13  * A copy of this license is available in the file LICENSE in the
     14  * top-level directory of the distribution or, alternatively, at
     15  * <http://www.OpenLDAP.org/license.html>.
     16  */
     17 /* Portions Copyright (c) 1990 Regents of the University of Michigan.
     18  * All rights reserved.
     19  */
     20 
     21 #include <sys/cdefs.h>
     22 __RCSID("$NetBSD: getentry.c,v 1.4 2025/09/05 21:16:21 christos Exp $");
     23 
     24 #include "portable.h"
     25 
     26 #include <stdio.h>
     27 #include <ac/stdlib.h>
     28 
     29 #include <ac/socket.h>
     30 #include <ac/string.h>
     31 #include <ac/time.h>
     32 
     33 #include "ldap-int.h"
     34 
     35 /* ARGSUSED */
     36 LDAPMessage *
     37 ldap_first_entry( LDAP *ld, LDAPMessage *chain )
     38 {
     39 	assert( ld != NULL );
     40 	assert( LDAP_VALID( ld ) );
     41 	assert( chain != NULL );
     42 
     43 	return chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY
     44 		? chain
     45 		: ldap_next_entry( ld, chain );
     46 }
     47 
     48 LDAPMessage *
     49 ldap_next_entry( LDAP *ld, LDAPMessage *entry )
     50 {
     51 	assert( ld != NULL );
     52 	assert( LDAP_VALID( ld ) );
     53 	assert( entry != NULL );
     54 
     55 	for(
     56 		entry = entry->lm_chain;
     57 		entry != NULL;
     58 		entry = entry->lm_chain )
     59 	{
     60 		if( entry->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
     61 			return( entry );
     62 		}
     63 	}
     64 
     65 	return( NULL );
     66 }
     67 
     68 int
     69 ldap_count_entries( LDAP *ld, LDAPMessage *chain )
     70 {
     71 	int	i;
     72 
     73 	assert( ld != NULL );
     74 	assert( LDAP_VALID( ld ) );
     75 
     76 	for ( i = 0; chain != NULL; chain = chain->lm_chain ) {
     77 		if( chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
     78 			i++;
     79 		}
     80 	}
     81 
     82 	return( i );
     83 }
     84 
     85 int
     86 ldap_get_entry_controls(
     87 	LDAP *ld,
     88 	LDAPMessage *entry,
     89 	LDAPControl ***sctrls )
     90 {
     91 	int rc;
     92 	BerElement be;
     93 
     94 	assert( ld != NULL );
     95 	assert( LDAP_VALID( ld ) );
     96 	assert( entry != NULL );
     97 	assert( sctrls != NULL );
     98 
     99 	if ( entry->lm_msgtype != LDAP_RES_SEARCH_ENTRY ) {
    100 		return LDAP_PARAM_ERROR;
    101 	}
    102 
    103 	/* make a local copy of the BerElement */
    104 	AC_MEMCPY(&be, entry->lm_ber, sizeof(be));
    105 
    106 	if ( ber_scanf( &be, "{xx" /*}*/ ) == LBER_ERROR ) {
    107 		rc = LDAP_DECODING_ERROR;
    108 		goto cleanup_and_return;
    109 	}
    110 
    111 	rc = ldap_pvt_get_controls( &be, sctrls );
    112 
    113 cleanup_and_return:
    114 	if( rc != LDAP_SUCCESS ) {
    115 		ld->ld_errno = rc;
    116 
    117 		if( ld->ld_matched != NULL ) {
    118 			LDAP_FREE( ld->ld_matched );
    119 			ld->ld_matched = NULL;
    120 		}
    121 
    122 		if( ld->ld_error != NULL ) {
    123 			LDAP_FREE( ld->ld_error );
    124 			ld->ld_error = NULL;
    125 		}
    126 	}
    127 
    128 	return rc;
    129 }
    130