xref: /netbsd-src/external/bsd/openldap/dist/libraries/liblber/dtest.c (revision 549b59ed3ccf0d36d3097190a0db27b770f3a839)
1 /*	$NetBSD: dtest.c,v 1.3 2021/08/14 16:14:55 christos Exp $	*/
2 
3 /* dtest.c - lber decoding test program */
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) 1990 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 /* ACKNOWLEDGEMENTS:
29  * This work was originally developed by the University of Michigan
30  * (as part of U-MICH LDAP).
31  */
32 
33 #include <sys/cdefs.h>
34 __RCSID("$NetBSD: dtest.c,v 1.3 2021/08/14 16:14:55 christos Exp $");
35 
36 #include "portable.h"
37 
38 #include <stdio.h>
39 
40 #include <ac/stdlib.h>
41 #include <ac/string.h>
42 #include <ac/socket.h>
43 #include <ac/unistd.h>
44 #include <ac/errno.h>
45 
46 #ifdef HAVE_CONSOLE_H
47 #include <console.h>
48 #endif
49 
50 #include <lber.h>
51 
usage(const char * name)52 static void usage( const char *name )
53 {
54 	fprintf( stderr, "usage: %s fmt\n", name );
55 }
56 
57 int
main(int argc,char ** argv)58 main( int argc, char **argv )
59 {
60 	char *s;
61 
62 	ber_tag_t	tag;
63 	ber_len_t	len;
64 
65 	BerElement	*ber;
66 	Sockbuf		*sb;
67 	int		fd;
68 
69 	/* enable debugging */
70 	int ival = -1;
71 	ber_set_option( NULL, LBER_OPT_DEBUG_LEVEL, &ival );
72 
73 	if ( argc < 2 ) {
74 		usage( argv[0] );
75 		return( EXIT_FAILURE );
76 	}
77 
78 #ifdef HAVE_CONSOLE_H
79 	ccommand( &argv );
80 	cshow( stdout );
81 #endif
82 
83 	sb = ber_sockbuf_alloc();
84 	fd = fileno( stdin );
85 	ber_sockbuf_add_io( sb, &ber_sockbuf_io_fd, LBER_SBIOD_LEVEL_PROVIDER,
86 		(void *)&fd );
87 
88 	ber = ber_alloc_t(LBER_USE_DER);
89 	if( ber == NULL ) {
90 		perror( "ber_alloc_t" );
91 		return( EXIT_FAILURE );
92 	}
93 
94 	for (;;) {
95 		tag = ber_get_next( sb, &len, ber);
96 		if( tag != LBER_ERROR ) break;
97 
98 		if( errno == EWOULDBLOCK ) continue;
99 		if( errno == EAGAIN ) continue;
100 
101 		perror( "ber_get_next" );
102 		return( EXIT_FAILURE );
103 	}
104 
105 	printf("decode: message tag 0x%lx and length %ld\n",
106 		(unsigned long) tag, (long) len );
107 
108 	for( s = argv[1]; *s; s++ ) {
109 		char buf[128];
110 		char fmt[2];
111 		fmt[0] = *s;
112 		fmt[1] = '\0';
113 
114 		printf("decode: format %s\n", fmt );
115 		len = sizeof(buf);
116 		tag = ber_scanf( ber, fmt, &buf[0], &len );
117 
118 		if( tag == LBER_ERROR ) {
119 			perror( "ber_scanf" );
120 			return( EXIT_FAILURE );
121 		}
122 	}
123 
124 	ber_sockbuf_free( sb );
125 	return( EXIT_SUCCESS );
126 }
127