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/*
* Copyright (c) 2010-2012 Dominik Oepen and Frank Morgner
*
* This file is part of OpenPACE.
*
* OpenPACE 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.
*
* OpenPACE 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
* OpenPACE. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file cvcprint.c
* @brief Print a Card Verifiable Certificate and its Description
*
* @author Dominik Oepen <oepen@informatik.hu-berlin.de>
* @author Frank Morgner <frankmorgner@gmail.com>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "cvc-print-cmdline.h"
#include "read_file.h"
#include <eac/cv_cert.h>
#include <eac/eac.h>
#include <eac/ta.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <stdio.h>
#include <string.h>
#define err(s) { puts(s); ERR_print_errors_fp(stdout); goto err; }
static int print_cvc(const unsigned char *cvc_data, const size_t cvc_len,
const unsigned char *desc_data, const size_t desc_len,
const unsigned char *csr_data, const size_t csr_len)
{
BIO *bio_stdout = NULL;
CVC_CERT *cvc = NULL;
CVC_CERTIFICATE_DESCRIPTION *desc = NULL;
CVC_CERT_REQUEST *request = NULL;
CVC_CERT_AUTHENTICATION_REQUEST *authentication = NULL;
const unsigned char *p;
int fail = 1;
bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
if (!bio_stdout)
err("could not get output buffer");
if (cvc_data && cvc_len) {
EAC_CTX *ctx;
p = cvc_data;
if (!CVC_d2i_CVC_CERT(&cvc, &p, cvc_len))
err("could not parse card verifiable certificate");
puts("Certificate:");
if (!CVC_print(bio_stdout, cvc, 2))
err("could not print card verifiable certificate");
ctx = EAC_CTX_new();
if (!TA_STEP2_import_certificate(ctx, cvc_data, cvc_len)) {
puts("certificate not verified");
} else {
puts("certificate verified");
}
EAC_CTX_clear_free(ctx);
}
if (desc_data && desc_len) {
p = desc_data;
if (!d2i_CVC_CERTIFICATE_DESCRIPTION(&desc, &p, desc_len))
err("could not parse certificate description");
puts("Description:");
if (!certificate_description_print(bio_stdout, desc, 0))
err("could not print certificate description");
}
if (cvc && desc_data && desc_len) {
if (!CVC_check_description(cvc, desc_data, desc_len)) {
puts("certificate description doesn't match certificate");
} else {
puts("certificate description matches certificate");
}
}
if (csr_data && csr_len) {
CVC_CERT_REQUEST *request_to_verify = NULL;
p = csr_data;
if (d2i_CVC_CERT_REQUEST(&request, &p, csr_len)) {
puts("Certificate Request:");
if (!certificate_request_print(bio_stdout, request, 2))
err("could not print certificate request");
} else {
/* try using an authentication request */
p = csr_data;
if (!d2i_CVC_CERT_AUTHENTICATION_REQUEST(&authentication, &p, desc_len))
err("could not parse certificate request");
puts("Certificate Authentication Request:");
if (!certificate_authentication_request_print(bio_stdout, authentication, 2))
err("could not print certificate authentication request");
}
if (request) {
request_to_verify = request;
} else if (authentication) {
request_to_verify = authentication->request;
}
if (1 == CVC_verify_request_signature(request_to_verify)) {
puts("certificate request verified");
} else {
puts("certificate request not verified");
}
}
fail = 0;
err:
if (desc)
CVC_CERTIFICATE_DESCRIPTION_free(desc);
if (cvc)
CVC_CERT_free(cvc);
if (authentication)
CVC_CERT_AUTHENTICATION_REQUEST_free(authentication);
if (request)
CVC_CERT_REQUEST_free(request);
if (bio_stdout)
BIO_free_all(bio_stdout);
return fail;
}
int main(int argc, char *argv[])
{
int fail = 1;
unsigned char *cvc_data = NULL, *desc_data = NULL, *csr_data = NULL;
size_t cvc_len = 0, desc_len = 0, csr_len = 0;
struct gengetopt_args_info cmdline;
/* Parse command line */
if (cmdline_parser (argc, argv, &cmdline) != 0) {
return fail;
}
if (cmdline.cvc_arg) {
fail = read_file(cmdline.cvc_arg, &cvc_data, &cvc_len);
if (fail) {
fprintf(stderr, "failed to read %s\n", cmdline.cvc_arg);
goto err;
}
}
if (cmdline.description_arg) {
fail = read_file(cmdline.description_arg, &desc_data, &desc_len);
if (fail) {
fprintf(stderr, "failed to read %s\n", cmdline.description_arg);
goto err;
}
}
if (cmdline.csr_arg) {
fail = read_file(cmdline.csr_arg, &csr_data, &csr_len);
if (fail) {
fprintf(stderr, "failed to read %s\n", cmdline.csr_arg);
goto err;
}
}
EAC_init();
if (cmdline.cvc_dir_arg) {
EAC_set_cvc_default_dir(cmdline.cvc_dir_arg);
}
fail = print_cvc(cvc_data, cvc_len, desc_data, desc_len, csr_data, csr_len);
err:
cmdline_parser_free (&cmdline);
free(cvc_data);
free(desc_data);
free(csr_data);
EAC_cleanup();
return fail;
}
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