Home | History | Annotate | Line # | Download | only in slapd 
      1 /*	$NetBSD: str2filter.c,v 1.4 2025/09/05 21:16:26 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 1998-2024 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 1.4 2025/09/05 21:16:26 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 *
     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 *
     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