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

   1 /*      $NetBSD: main.c,v 1.1.1.2 2014/04/24 12:45:28 pettai Exp $      */
   2
   3 /*
   4  * Copyright (c) 1997-2005 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "gen_locl.h"
  37 #include <krb5/getarg.h>
  38 #include "lex.h"
  39
  40 __RCSID("NetBSD");
  41
  42 extern FILE *yyin;
  43
  44 static getarg_strings preserve;
  45 static getarg_strings seq;
  46
  47 int
  48 preserve_type(const char *p)
  49 {
  50     int i;
  51     for (i = 0; i < preserve.num_strings; i++)
  52         if (strcmp(preserve.strings[i], p) == 0)
  53             return 1;
  54     return 0;
  55 }
  56
  57 int
  58 seq_type(const char *p)
  59 {
  60     int i;
  61     for (i = 0; i < seq.num_strings; i++)
  62         if (strcmp(seq.strings[i], p) == 0)
  63             return 1;
  64     return 0;
  65 }
  66
  67 int support_ber;
  68 int template_flag;
  69 int rfc1510_bitstring;
  70 int one_code_file;
  71 char *option_file;
  72 int version_flag;
  73 int help_flag;
  74 struct getargs args[] = {
  75     { "template", 0, arg_flag, &template_flag },
  76     { "encode-rfc1510-bit-string", 0, arg_flag, &rfc1510_bitstring },
  77     { "decode-dce-ber", 0, arg_flag, &support_ber },
  78     { "support-ber", 0, arg_flag, &support_ber },
  79     { "preserve-binary", 0, arg_strings, &preserve },
  80     { "sequence", 0, arg_strings, &seq },
  81     { "one-code-file", 0, arg_flag, &one_code_file },
  82     { "option-file", 0, arg_string, &option_file },
  83     { "version", 0, arg_flag, &version_flag },
  84     { "help", 0, arg_flag, &help_flag }
  85 };
  86 int num_args = sizeof(args) / sizeof(args[0]);
  87
  88 static void
  89 usage(int code)
  90 {
  91     arg_printusage(args, num_args, NULL, "[asn1-file [name]]");
  92     exit(code);
  93 }
  94
  95 int error_flag;
  96
  97 int
  98 main(int argc, char **argv)
  99 {
 100     int ret;
 101     const char *file;
 102     const char *name = NULL;
 103     int optidx = 0;
 104     char **arg = NULL;
 105     size_t len = 0, i;
 106
 107     setprogname(argv[0]);
 108     if(getarg(args, num_args, argc, argv, &optidx))
 109         usage(1);
 110     if(help_flag)
 111         usage(0);
 112     if(version_flag) {
 113         print_version(NULL);
 114         exit(0);
 115     }
 116     if (argc == optidx) {
 117         file = "stdin";
 118         name = "stdin";
 119         yyin = stdin;
 120     } else {
 121         file = argv[optidx];
 122         yyin = fopen (file, "r");
 123         if (yyin == NULL)
 124             err (1, "open %s", file);
 125         if (argc == optidx + 1) {
 126             char *p;
 127             name = estrdup(file);
 128             p = strrchr(name, '.');
 129             if (p)
 130                 *p = '\0';
 131         } else
 132             name = argv[optidx + 1];
 133     }
 134
 135     /*
 136      * Parse extra options file
 137      */
 138     if (option_file) {
 139         char buf[1024];
 140         FILE *opt;
 141
 142         opt = fopen(option_file, "r");
 143         if (opt == NULL) {
 144             perror("open");
 145             exit(1);
 146         }
 147
 148         arg = calloc(2, sizeof(arg[0]));
 149         if (arg == NULL) {
 150             perror("calloc");
 151             exit(1);
 152         }
 153         arg[0] = option_file;
 154         arg[1] = NULL;
 155         len = 1;
 156
 157         while (fgets(buf, sizeof(buf), opt) != NULL) {
 158             buf[strcspn(buf, "\n\r")] = '\0';
 159
 160             arg = realloc(arg, (len + 2) * sizeof(arg[0]));
 161             if (arg == NULL) {
 162                 perror("malloc");
 163                 exit(1);
 164             }
 165             arg[len] = strdup(buf);
 166             if (arg[len] == NULL) {
 167                 perror("strdup");
 168                 exit(1);
 169             }
 170             arg[len + 1] = NULL;
 171             len++;
 172         }
 173         fclose(opt);
 174
 175         optidx = 0;
 176         if(getarg(args, num_args, len, arg, &optidx))
 177             usage(1);
 178
 179         if (len != optidx) {
 180             fprintf(stderr, "extra args");
 181             exit(1);
 182         }
 183     }
 184
 185
 186     init_generate (file, name);
 187
 188     if (one_code_file)
 189         generate_header_of_codefile(name);
 190
 191     initsym ();
 192     ret = yyparse ();
 193     if(ret != 0 || error_flag != 0)
 194         exit(1);
 195     close_generate ();
 196     if (argc != optidx)
 197         fclose(yyin);
 198
 199     if (one_code_file)
 200         close_codefile();
 201
 202     if (arg) {
 203         for (i = 1; i < len; i++)
 204             free(arg[i]);
 205         free(arg);
 206     }
 207
 208     return 0;
 209 }