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("$Id$");
  39
  40 extern FILE *yyin;
  41
  42 static getarg_strings preserve;
  43 static getarg_strings seq;
  44
  45 int
  46 preserve_type(const char *p)
  47 {
  48     int i;
  49     for (i = 0; i < preserve.num_strings; i++)
  50         if (strcmp(preserve.strings[i], p) == 0)
  51             return 1;
  52     return 0;
  53 }
  54
  55 int
  56 seq_type(const char *p)
  57 {
  58     int i;
  59     for (i = 0; i < seq.num_strings; i++)
  60         if (strcmp(seq.strings[i], p) == 0)
  61             return 1;
  62     return 0;
  63 }
  64
  65 int dce_fix;
  66 int rfc1510_bitstring;
  67 int version_flag;
  68 int help_flag;
  69 struct getargs args[] = {
  70     { "encode-rfc1510-bit-string", 0, arg_flag, &rfc1510_bitstring },
  71     { "decode-dce-ber", 0, arg_flag, &dce_fix },
  72     { "preserve-binary", 0, arg_strings, &preserve },
  73     { "sequence", 0, arg_strings, &seq },
  74     { "version", 0, arg_flag, &version_flag },
  75     { "help", 0, arg_flag, &help_flag }
  76 };
  77 int num_args = sizeof(args) / sizeof(args[0]);
  78
  79 static void
  80 usage(int code)
  81 {
  82     arg_printusage(args, num_args, NULL, "[asn1-file [name]]");
  83     exit(code);
  84 }
  85
  86 int error_flag;
  87
  88 int
  89 main(int argc, char **argv)
  90 {
  91     int ret;
  92     const char *file;
  93     const char *name = NULL;
  94     int optidx = 0;
  95
  96     setprogname(argv[0]);
  97     if(getarg(args, num_args, argc, argv, &optidx))
  98         usage(1);
  99     if(help_flag)
 100         usage(0);
 101     if(version_flag) {
 102         print_version(NULL);
 103         exit(0);
 104     }
 105     if (argc == optidx) {
 106         file = "stdin";
 107         name = "stdin";
 108         yyin = stdin;
 109     } else {
 110         file = argv[optidx];
 111         yyin = fopen (file, "r");
 112         if (yyin == NULL)
 113             err (1, "open %s", file);
 114         if (argc == optidx + 1) {
 115             char *p;
 116             name = estrdup(file);
 117             p = strrchr(name, '.');
 118             if (p)
 119                 *p = '\0';
 120         } else
 121             name = argv[optidx + 1];
 122     }
 123
 124     init_generate (file, name);
 125     initsym ();
 126     ret = yyparse ();
 127     if(ret != 0 || error_flag != 0)
 128         exit(1);
 129     close_generate ();
 130     if (argc != optidx)
 131         fclose(yyin);
 132     return 0;
 133 }