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/*
* Copyright (C) 2015 Nikos Mavrogiannopoulos
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* GnuTLS 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.
*
* GnuTLS 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 GnuTLS; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include <gnutls/abstract.h>
#include "../utils.h"
#include "softhsm.h"
/* Tests whether gnutls_pubkey_import_privkey works well for
* RSA keys under PKCS #11 */
#include "../cert-common.h"
#define PIN "1234"
static const gnutls_datum_t testdata = {(void*)"test test", 9};
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "|<%d>| %s", level, str);
}
static
int pin_func(void* userdata, int attempt, const char* url, const char *label,
unsigned flags, char *pin, size_t pin_max)
{
if (attempt == 0) {
strcpy(pin, PIN);
return 0;
}
return -1;
}
static void try(int rsa)
{
char buf[128];
int ret, pk;
const char *lib, *bin;
gnutls_x509_crt_t crt;
gnutls_x509_privkey_t key;
gnutls_datum_t tmp, sig;
gnutls_privkey_t pkey;
gnutls_pubkey_t pubkey;
gnutls_pubkey_t pubkey2;
#ifndef P11_KIT_HAS_PIN_VALUE
exit(77);
#endif
bin = softhsm_bin();
lib = softhsm_lib();
ret = global_init();
if (ret != 0) {
fail("%d: %s\n", ret, gnutls_strerror(ret));
exit(1);
}
gnutls_pkcs11_set_pin_function(pin_func, NULL);
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
set_softhsm_conf(CONFIG);
snprintf(buf, sizeof(buf), "%s --init-token --slot 0 --label test --so-pin "PIN" --pin "PIN, bin);
system(buf);
ret = gnutls_pkcs11_add_provider(lib, "trusted");
if (ret < 0) {
fprintf(stderr, "gnutls_x509_crt_init: %s\n",
gnutls_strerror(ret));
exit(1);
}
ret = gnutls_x509_crt_init(&crt);
if (ret < 0) {
fprintf(stderr,
"gnutls_x509_crt_init: %s\n",
gnutls_strerror(ret));
exit(1);
}
ret =
gnutls_x509_crt_import(crt, rsa?&server_cert:&server_ecc_cert,
GNUTLS_X509_FMT_PEM);
if (ret < 0) {
fprintf(stderr,
"gnutls_x509_crt_import: %s\n",
gnutls_strerror(ret));
exit(1);
}
if (debug) {
gnutls_x509_crt_print(crt,
GNUTLS_CRT_PRINT_ONELINE,
&tmp);
printf("\tCertificate: %.*s\n",
tmp.size, tmp.data);
gnutls_free(tmp.data);
}
ret = gnutls_x509_privkey_init(&key);
if (ret < 0) {
fprintf(stderr,
"gnutls_x509_privkey_init: %s\n",
gnutls_strerror(ret));
exit(1);
}
ret =
gnutls_x509_privkey_import(key, rsa?&server_key:&server_ecc_key,
GNUTLS_X509_FMT_PEM);
if (ret < 0) {
fprintf(stderr,
"gnutls_x509_privkey_import: %s\n",
gnutls_strerror(ret));
exit(1);
}
/* initialize softhsm token */
ret = gnutls_pkcs11_token_init(SOFTHSM_URL, PIN, "test");
if (ret < 0) {
fail("gnutls_pkcs11_token_init: %s\n", gnutls_strerror(ret));
exit(1);
}
ret = gnutls_pkcs11_token_set_pin(SOFTHSM_URL, NULL, PIN, GNUTLS_PIN_USER);
if (ret < 0) {
fail("gnutls_pkcs11_token_set_pin: %s\n", gnutls_strerror(ret));
exit(1);
}
ret = gnutls_pkcs11_copy_x509_crt(SOFTHSM_URL, crt, "cert",
GNUTLS_PKCS11_OBJ_FLAG_MARK_PRIVATE|GNUTLS_PKCS11_OBJ_FLAG_LOGIN);
if (ret < 0) {
fail("gnutls_pkcs11_copy_x509_crt: %s\n", gnutls_strerror(ret));
exit(1);
}
ret = gnutls_pkcs11_copy_x509_privkey(SOFTHSM_URL, key, "cert", GNUTLS_KEY_DIGITAL_SIGNATURE|GNUTLS_KEY_KEY_ENCIPHERMENT,
GNUTLS_PKCS11_OBJ_FLAG_MARK_PRIVATE|GNUTLS_PKCS11_OBJ_FLAG_MARK_SENSITIVE|GNUTLS_PKCS11_OBJ_FLAG_LOGIN);
if (ret < 0) {
fail("gnutls_pkcs11_copy_x509_privkey: %s\n", gnutls_strerror(ret));
exit(1);
}
gnutls_x509_crt_deinit(crt);
gnutls_x509_privkey_deinit(key);
gnutls_pkcs11_set_pin_function(NULL, NULL);
assert(gnutls_privkey_init(&pkey) == 0);
ret = gnutls_privkey_import_pkcs11_url(pkey, SOFTHSM_URL";object=cert;object-type=private;pin-value="PIN);
if (ret < 0) {
fprintf(stderr, "error in %d: %s\n", __LINE__, gnutls_strerror(ret));
exit(1);
}
assert(gnutls_pubkey_init(&pubkey) == 0);
assert(gnutls_pubkey_import_privkey(pubkey, pkey, 0, 0) == 0);
pk = gnutls_pubkey_get_pk_algorithm(pubkey, NULL);
/* check whether privkey and pubkey are operational
* by signing and verifying */
assert(gnutls_privkey_sign_data(pkey, GNUTLS_DIG_SHA256, 0, &testdata, &sig) == 0);
/* verify against the raw pubkey */
assert(gnutls_pubkey_init(&pubkey2) == 0);
assert(gnutls_pubkey_import_x509_raw(pubkey2, rsa?&server_cert:&server_ecc_cert, GNUTLS_X509_FMT_PEM, 0) == 0);
assert(gnutls_pubkey_verify_data2(pubkey2, gnutls_pk_to_sign(pk, GNUTLS_DIG_SHA256), 0, &testdata, &sig) >= 0);
/* verify against the pubkey in PKCS #11 */
assert(gnutls_pubkey_verify_data2(pubkey, gnutls_pk_to_sign(pk, GNUTLS_DIG_SHA256), 0, &testdata, &sig) >= 0);
gnutls_free(sig.data);
gnutls_pubkey_deinit(pubkey2);
gnutls_pubkey_deinit(pubkey);
gnutls_privkey_deinit(pkey);
gnutls_global_deinit();
remove(CONFIG);
}
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