crypto/dist/heimdal/lib/asn1/main.c

   1 /*
   2  * Copyright (c) 1997-2005 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "gen_locl.h"
  35 #include <getarg.h>
  36 #include "lex.h"
  37
  38 __RCSID("$Heimdal: main.c 20858 2007-06-03 18:56:41Z lha $"
  39         "$NetBSD$");
  40
  41 extern FILE *yyin;
  42
  43 static getarg_strings preserve;
  44 static getarg_strings seq;
  45
  46 int
  47 preserve_type(const char *p)
  48 {
  49     int i;
  50     for (i = 0; i < preserve.num_strings; i++)
  51         if (strcmp(preserve.strings[i], p) == 0)
  52             return 1;
  53     return 0;
  54 }
  55
  56 int
  57 seq_type(const char *p)
  58 {
  59     int i;
  60     for (i = 0; i < seq.num_strings; i++)
  61         if (strcmp(seq.strings[i], p) == 0)
  62             return 1;
  63     return 0;
  64 }
  65
  66 int dce_fix;
  67 int rfc1510_bitstring;
  68 int version_flag;
  69 int help_flag;
  70 struct getargs args[] = {
  71     { "encode-rfc1510-bit-string", 0, arg_flag, &rfc1510_bitstring },
  72     { "decode-dce-ber", 0, arg_flag, &dce_fix },
  73     { "preserve-binary", 0, arg_strings, &preserve },
  74     { "sequence", 0, arg_strings, &seq },
  75     { "version", 0, arg_flag, &version_flag },
  76     { "help", 0, arg_flag, &help_flag }
  77 };
  78 int num_args = sizeof(args) / sizeof(args[0]);
  79
  80 static void
  81 usage(int code)
  82 {
  83     arg_printusage(args, num_args, NULL, "[asn1-file [name]]");
  84     exit(code);
  85 }
  86
  87 int error_flag;
  88
  89 int
  90 main(int argc, char **argv)
  91 {
  92     int ret;
  93     const char *file;
  94     const char *name = NULL;
  95     int optidx = 0;
  96
  97     setprogname(argv[0]);
  98     if(getarg(args, num_args, argc, argv, &optidx))
  99         usage(1);
 100     if(help_flag)
 101         usage(0);
 102     if(version_flag) {
 103         print_version(NULL);
 104         exit(0);
 105     }
 106     if (argc == optidx) {
 107         file = "stdin";
 108         name = "stdin";
 109         yyin = stdin;
 110     } else {
 111         file = argv[optidx];
 112         yyin = fopen (file, "r");
 113         if (yyin == NULL)
 114             err (1, "open %s", file);
 115         if (argc == optidx + 1) {
 116             char *p;
 117             name = estrdup(file);
 118             p = strrchr(name, '.');
 119             if (p)
 120                 *p = '\0';
 121         } else
 122             name = argv[optidx + 1];
 123     }
 124
 125     init_generate (file, name);
 126     initsym ();
 127     ret = yyparse ();
 128     if(ret != 0 || error_flag != 0)
 129         exit(1);
 130     close_generate ();
 131     if (argc != optidx)
 132         fclose(yyin);
 133     return 0;
 134 }