| /* asn1Parser.c -- program to parse a file with ASN1 definitions |
| * Copyright (C) 2002-2021 Free Software Foundation, Inc. |
| * |
| * This file is part of LIBTASN1. |
| * |
| * This program is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #include <config.h> |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <getopt.h> |
| #include <assert.h> |
| |
| #include <libtasn1.h> |
| |
| #include "progname.h" |
| #include "version-etc.h" |
| |
| /* This feature is available in gcc versions 2.5 and later. */ |
| #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) |
| # define ATTR_NO_RETRUN |
| #else |
| # define ATTR_NO_RETRUN __attribute__ ((__noreturn__)) |
| #endif |
| |
| ATTR_NO_RETRUN static void |
| usage (int status) |
| { |
| if (status != EXIT_SUCCESS) |
| fprintf (stderr, "Try `%s --help' for more information.\n", program_name); |
| else |
| { |
| printf ("\ |
| Usage: %s [OPTION] FILE\n", program_name); |
| printf ("\ |
| Read FILE with ASN.1 definitions and generate\n\ |
| a C array that is used with libtasn1 functions.\n\ |
| \n"); |
| printf ("\ |
| Mandatory arguments to long options are mandatory for short options too.\n\ |
| -c, --check checks the syntax only\n\ |
| -o, --output=FILE output file\n\ |
| -n, --name=NAME array name\n\ |
| -h, --help display this help and exit\n\ |
| -v, --version output version information and exit\n"); |
| emit_bug_reporting_address (); |
| } |
| exit (status); |
| } |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| static const struct option long_options[] = { |
| {"help", no_argument, 0, 'h'}, |
| {"version", no_argument, 0, 'v'}, |
| {"check", no_argument, 0, 'c'}, |
| {"output", required_argument, 0, 'o'}, |
| {"name", required_argument, 0, 'n'}, |
| {0, 0, 0, 0} |
| }; |
| int option_index = 0; |
| int option_result; |
| char *outputFileName = NULL; |
| char *inputFileName = NULL; |
| char *vectorName = NULL; |
| int checkSyntaxOnly = 0; |
| asn1_node pointer = NULL; |
| char errorDescription[ASN1_MAX_ERROR_DESCRIPTION_SIZE]; |
| int parse_result = ASN1_SUCCESS; |
| |
| set_program_name (argv[0]); |
| |
| opterr = 0; /* disable error messages from getopt */ |
| |
| while (1) |
| { |
| |
| option_result = |
| getopt_long (argc, argv, "hvco:n:", long_options, &option_index); |
| |
| if (option_result == -1) |
| break; |
| |
| switch (option_result) |
| { |
| case 0: |
| fprintf (stderr, "option %s", long_options[option_index].name); |
| if (optarg) |
| fprintf (stderr, " with arg %s", optarg); |
| putc ('\n', stderr); |
| break; |
| case 'h': /* HELP */ |
| free (outputFileName); |
| free (vectorName); |
| usage (EXIT_SUCCESS); |
| break; |
| case 'v': /* VERSION */ |
| version_etc (stdout, program_name, PACKAGE, VERSION, |
| "Fabio Fiorina", NULL); |
| free (outputFileName); |
| free (vectorName); |
| exit (0); |
| break; |
| case 'c': /* CHECK SYNTAX */ |
| checkSyntaxOnly = 1; |
| break; |
| case 'o': /* OUTPUT */ |
| assert (optarg != NULL); |
| outputFileName = strdup (optarg); |
| if (outputFileName == NULL) |
| { |
| fprintf (stderr, "Memory error\n"); |
| exit (1); |
| } |
| break; |
| case 'n': /* VECTOR NAME */ |
| assert (optarg != NULL); |
| vectorName = strdup (optarg); |
| if (vectorName == NULL) |
| { |
| fprintf (stderr, "Memory error\n"); |
| exit (1); |
| } |
| break; |
| case '?': /* UNKNOW OPTION */ |
| fprintf (stderr, |
| "asn1Parser: option '%s' not recognized or without argument.\n\n", |
| argv[optind - 1]); |
| free (outputFileName); |
| free (vectorName); |
| usage (EXIT_FAILURE); |
| break; |
| default: |
| fprintf (stderr, |
| "asn1Parser: ?? getopt returned character code Ox%x ??\n", |
| (unsigned) option_result); |
| } |
| |
| } |
| |
| if (optind == argc) |
| { |
| free (outputFileName); |
| free (vectorName); |
| usage (EXIT_SUCCESS); |
| } |
| else |
| { |
| inputFileName = (char *) malloc (strlen (argv[optind]) + 1); |
| if (inputFileName == NULL) |
| { |
| fprintf (stderr, "Memory error\n"); |
| exit (1); |
| } |
| strcpy (inputFileName, argv[optind]); |
| } |
| |
| if (checkSyntaxOnly == 1) |
| { |
| parse_result = |
| asn1_parser2tree (inputFileName, &pointer, errorDescription); |
| asn1_delete_structure (&pointer); |
| } |
| else /* C VECTOR CREATION */ |
| parse_result = asn1_parser2array (inputFileName, |
| outputFileName, vectorName, |
| errorDescription); |
| |
| switch (parse_result) |
| { |
| case ASN1_SUCCESS: |
| fputs ("Done.\n", stderr); |
| break; |
| case ASN1_FILE_NOT_FOUND: |
| fprintf (stderr, "asn1Parser: file %s was not found\n", inputFileName); |
| break; |
| case ASN1_SYNTAX_ERROR: |
| case ASN1_IDENTIFIER_NOT_FOUND: |
| case ASN1_NAME_TOO_LONG: |
| fprintf (stderr, "asn1Parser: %s\n", errorDescription); |
| break; |
| default: |
| fprintf (stderr, "libtasn1 ERROR: %s\n", asn1_strerror (parse_result)); |
| } |
| |
| |
| free (inputFileName); |
| free (outputFileName); |
| free (vectorName); |
| |
| if (parse_result != ASN1_SUCCESS) |
| exit (1); |
| exit (0); |
| } |