1 /* $NetBSD: str2filter.c,v 1.3 2021/08/14 16:14:58 christos Exp $ */
2
3 /* str2filter.c - parse an RFC 4515 string filter */
4 /* $OpenLDAP$ */
5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 1998-2021 The OpenLDAP Foundation.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
12 * Public License.
13 *
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
17 */
18 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
19 * All rights reserved.
20 *
21 * Redistribution and use in source and binary forms are permitted
22 * provided that this notice is preserved and that due credit is given
23 * to the University of Michigan at Ann Arbor. The name of the University
24 * may not be used to endorse or promote products derived from this
25 * software without specific prior written permission. This software
26 * is provided ``as is'' without express or implied warranty.
27 */
28
29 #include <sys/cdefs.h>
30 __RCSID("$NetBSD: str2filter.c,v 1.3 2021/08/14 16:14:58 christos Exp $");
31
32 #include "portable.h"
33
34 #include <stdio.h>
35
36 #include <ac/string.h>
37 #include <ac/ctype.h>
38 #include <ac/socket.h>
39
40 #include "slap.h"
41
42
43 Filter *
str2filter_x(Operation * op,const char * str)44 str2filter_x( Operation *op, const char *str )
45 {
46 int rc;
47 Filter *f = NULL;
48 BerElementBuffer berbuf;
49 BerElement *ber = (BerElement *)&berbuf;
50 const char *text = NULL;
51
52 Debug( LDAP_DEBUG_FILTER, "str2filter \"%s\"\n", str );
53
54 if ( str == NULL || *str == '\0' ) {
55 return NULL;
56 }
57
58 ber_init2( ber, NULL, LBER_USE_DER );
59 if ( op->o_tmpmemctx ) {
60 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
61 }
62
63 rc = ldap_pvt_put_filter( ber, str );
64 if( rc < 0 ) {
65 goto done;
66 }
67
68 ber_reset( ber, 1 );
69
70 rc = get_filter( op, ber, &f, &text );
71
72 done:
73 ber_free_buf( ber );
74
75 return f;
76 }
77
78 Filter *
str2filter(const char * str)79 str2filter( const char *str )
80 {
81 Operation op = {0};
82 Opheader ohdr = {0};
83
84 op.o_hdr = &ohdr;
85 op.o_tmpmemctx = NULL;
86 op.o_tmpmfuncs = &ch_mfuncs;
87
88 return str2filter_x( &op, str );
89 }
90