external/bsd/openldap/dist/libraries/liblber/dtest.c

   1 /* dtest.c - lber decoding test program */
   2 /* $OpenLDAP: pkg/ldap/libraries/liblber/dtest.c,v 1.37.2.3 2008/02/11 23:26:41 kurt Exp $ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2008 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* Portions Copyright (c) 1990 Regents of the University of Michigan.
  17  * All rights reserved.
  18  *
  19  * Redistribution and use in source and binary forms are permitted
  20  * provided that this notice is preserved and that due credit is given
  21  * to the University of Michigan at Ann Arbor. The name of the University
  22  * may not be used to endorse or promote products derived from this
  23  * software without specific prior written permission. This software
  24  * is provided ``as is'' without express or implied warranty.
  25  */
  26 /* ACKNOWLEDGEMENTS:
  27  * This work was originally developed by the University of Michigan
  28  * (as part of U-MICH LDAP).
  29  */
  30
  31 #include "portable.h"
  32
  33 #include <stdio.h>
  34
  35 #include <ac/stdlib.h>
  36 #include <ac/string.h>
  37 #include <ac/socket.h>
  38 #include <ac/unistd.h>
  39 #include <ac/errno.h>
  40
  41 #ifdef HAVE_CONSOLE_H
  42 #include <console.h>
  43 #endif
  44
  45 #include <lber.h>
  46
  47 static void usage( const char *name )
  48 {
  49         fprintf( stderr, "usage: %s fmt\n", name );
  50 }
  51
  52 int
  53 main( int argc, char **argv )
  54 {
  55         char *s;
  56
  57         ber_tag_t       tag;
  58         ber_len_t       len;
  59
  60         BerElement      *ber;
  61         Sockbuf         *sb;
  62         int             fd;
  63
  64         /* enable debugging */
  65         int ival = -1;
  66         ber_set_option( NULL, LBER_OPT_DEBUG_LEVEL, &ival );
  67
  68         if ( argc < 2 ) {
  69                 usage( argv[0] );
  70                 return( EXIT_FAILURE );
  71         }
  72
  73 #ifdef HAVE_CONSOLE_H
  74         ccommand( &argv );
  75         cshow( stdout );
  76 #endif
  77
  78         sb = ber_sockbuf_alloc();
  79         fd = fileno( stdin );
  80         ber_sockbuf_add_io( sb, &ber_sockbuf_io_fd, LBER_SBIOD_LEVEL_PROVIDER,
  81                 (void *)&fd );
  82
  83         ber = ber_alloc_t(LBER_USE_DER);
  84         if( ber == NULL ) {
  85                 perror( "ber_alloc_t" );
  86                 return( EXIT_FAILURE );
  87         }
  88
  89         for (;;) {
  90                 tag = ber_get_next( sb, &len, ber);
  91                 if( tag != LBER_ERROR ) break;
  92
  93                 if( errno == EWOULDBLOCK ) continue;
  94                 if( errno == EAGAIN ) continue;
  95
  96                 perror( "ber_get_next" );
  97                 return( EXIT_FAILURE );
  98         }
  99
 100         printf("decode: message tag 0x%lx and length %ld\n",
 101                 (unsigned long) tag, (long) len );
 102
 103         for( s = argv[1]; *s; s++ ) {
 104                 char buf[128];
 105                 char fmt[2];
 106                 fmt[0] = *s;
 107                 fmt[1] = '\0';
 108
 109                 printf("decode: format %s\n", fmt );
 110                 len = sizeof(buf);
 111                 tag = ber_scanf( ber, fmt, &buf[0], &len );
 112
 113                 if( tag == LBER_ERROR ) {
 114                         perror( "ber_scanf" );
 115                         return( EXIT_FAILURE );
 116                 }
 117         }
 118
 119         ber_sockbuf_free( sb );
 120         return( EXIT_SUCCESS );
 121 }