xref: /freebsd/crypto/heimdal/lib/asn1/main.c (revision 5c52a79884070364bfc920fb8e492cfac61ec72f)
1 /*
2  * Copyright (c) 1997-2005 Kungliga Tekniska H�gskolan
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: main.c 20858 2007-06-03 18:56:41Z lha $");
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 }
134