/*

 * Copyright (C) 2017 Red Hat, Inc.

 *

 * 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>

#define CONFIG_NAME "softhsm-obj-import"

#define CONFIG CONFIG_NAME".config"

#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 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;

}

void doit(void)

{

	static char buf[1024];

	int ret;

	const char *lib, *bin;

	gnutls_x509_crt_t crt;

	gnutls_pkcs11_obj_t obj;

	char *url;

	gnutls_datum_t tmp, tmp2;

	size_t buf_size;

	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, NULL);

	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, &server_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);

	}

	/* 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_NOT_PRIVATE|GNUTLS_PKCS11_OBJ_FLAG_LOGIN);

	if (ret < 0) {

		fail("gnutls_pkcs11_copy_x509_crt: %s\n", gnutls_strerror(ret));

		exit(1);

	}

	gnutls_pkcs11_set_pin_function(NULL, NULL);

	assert(gnutls_pkcs11_obj_init(&obj) >= 0);

	ret = gnutls_pkcs11_obj_import_url(obj, SOFTHSM_URL";object=cert", 0);

	if (ret < 0) {

		fprintf(stderr, "error in %d: %s\n", __LINE__, gnutls_strerror(ret));

		exit(1);

	}

	assert(gnutls_pkcs11_obj_export_url(obj, GNUTLS_PKCS11_URL_GENERIC, &url) >= 0);

	assert(url != NULL);

	gnutls_free(url);

	assert(gnutls_pkcs11_obj_export3(obj, GNUTLS_X509_FMT_DER, &tmp) >= 0);

	assert(gnutls_x509_crt_export2(crt, GNUTLS_X509_FMT_DER, &tmp2) >= 0);

	assert(tmp2.size == tmp.size);

	assert(memcmp(tmp.data, tmp2.data, tmp.size) == 0);

	gnutls_free(tmp2.data);

	/* check gnutls_pkcs11_obj_export */

	buf_size = 4;

	assert(gnutls_pkcs11_obj_export(obj, buf, &buf_size) == GNUTLS_E_SHORT_MEMORY_BUFFER);

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_export(obj, buf, &buf_size)>=0);

	assert(buf_size == tmp.size);

	assert(memcmp(buf, tmp.data, tmp.size) == 0);

	gnutls_free(tmp.data);

	/* The ID is constant and copied from the certificate */

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_get_info(obj, GNUTLS_PKCS11_OBJ_ID_HEX, buf, &buf_size) >= 0);

	assert(buf_size == 60);

	assert(memcmp(buf, "95:d1:ad:a4:52:e4:c5:61:12:a6:91:13:8d:80:dd:2d:81:22:3e:d4", 60) == 0);

	/* label */

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_get_info(obj, GNUTLS_PKCS11_OBJ_LABEL, buf, &buf_size) >= 0);

	assert(buf_size == 4);

	assert(memcmp(buf, "cert", 4) == 0);

	/* token-label */

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_get_info(obj, GNUTLS_PKCS11_OBJ_TOKEN_LABEL, buf, &buf_size) >= 0);

	assert(buf_size == 4);

	assert(memcmp(buf, "test", 4) == 0);

	/* token-serial */

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_get_info(obj, GNUTLS_PKCS11_OBJ_TOKEN_SERIAL, buf, &buf_size) >= 0);

	assert(buf_size != 0);

	assert(strlen(buf) != 0);

	/* token-model */

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_get_info(obj, GNUTLS_PKCS11_OBJ_TOKEN_MODEL, buf, &buf_size) >= 0);

	assert(buf_size != 0);

	assert(strlen(buf) != 0);

	/* token-manufacturer */

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_get_info(obj, GNUTLS_PKCS11_OBJ_TOKEN_MANUFACTURER, buf, &buf_size) >= 0);

	assert(buf_size != 0);

	assert(strlen(buf) != 0);

	/* token-ID */

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_get_info(obj, GNUTLS_PKCS11_OBJ_ID, buf, &buf_size) >= 0);

	assert(buf_size != 0);

	/* library description */

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_get_info(obj, GNUTLS_PKCS11_OBJ_LIBRARY_DESCRIPTION, buf, &buf_size) >= 0);

	assert(buf_size != 0);

	assert(strlen(buf) != 0);

	/* library manufacturer */

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_get_info(obj, GNUTLS_PKCS11_OBJ_LIBRARY_MANUFACTURER, buf, &buf_size) >= 0);

	assert(buf_size != 0);

	assert(strlen(buf) != 0);

	/* library version */

	buf_size = sizeof(buf);

	assert(gnutls_pkcs11_obj_get_info(obj, GNUTLS_PKCS11_OBJ_LIBRARY_VERSION, buf, &buf_size) >= 0);

	assert(buf_size != 0);

	assert(strlen(buf) != 0);

	gnutls_pkcs11_obj_deinit(obj);

	gnutls_x509_crt_deinit(crt);

	gnutls_global_deinit();

	remove(CONFIG);

}