/*

 * Copyright (C) 2016-2018 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 Lesser General Public License

 * along with this program.  If not, see <https://www.gnu.org/licenses/>

 */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <assert.h>

#include <unistd.h>

#include <sys/types.h>

#include <sys/wait.h>

#include <gnutls/gnutls.h>

#include <gnutls/pkcs11.h>

#ifndef CRYPTOKI_GNU

# define CRYPTOKI_GNU

#endif

#include <p11-kit/pkcs11.h>

#include "utils.h"

/* Tests whether a gnutls_pkcs11_obj_get_ptr returns valid handles. */

#if defined(HAVE___REGISTER_ATFORK)

#ifdef _WIN32

# define P11LIB "libpkcs11mock1.dll"

#else

# include <dlfcn.h>

# define P11LIB "libpkcs11mock1.so"

#endif

static void tls_log_func(int level, const char *str)

{

	fprintf(stderr, "|<%d>| %s", level, str);

}

#define PIN "1234"

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)

{

	int ret;

	const char *lib;

	unsigned long slot_id;

	unsigned char sig[256];

	unsigned long len;

	struct ck_function_list *mod;

	struct ck_info info;

	struct ck_token_info tinfo;

	ck_session_handle_t session;

	ck_object_handle_t ohandle;

	gnutls_pkcs11_obj_t obj;

	struct ck_mechanism mech;

	ck_rv_t rv;

	gnutls_datum_t data;

	data.data = (void*)"\x38\x17\x0c\x08\xcb\x45\x8f\xd4\x87\x9c\x34\xb6\xf6\x08\x29\x4c\x50\x31\x2b\xbb";

	data.size = 20;

	ret = global_init();

	if (ret != 0) {

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

		exit(1);

	}

	gnutls_global_set_log_function(tls_log_func);

	if (debug)

		gnutls_global_set_log_level(4711);

	lib = getenv("P11MOCKLIB1");

	if (lib == NULL)

		lib = P11LIB;

	ret = gnutls_pkcs11_init(GNUTLS_PKCS11_FLAG_MANUAL, NULL);

	if (ret != 0) {

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

		exit(1);

	}

	ret = gnutls_pkcs11_add_provider(lib, NULL);

	if (ret != 0) {

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

		exit(1);

	}

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

	gnutls_pkcs11_obj_set_pin_function(obj, pin_func, NULL);

	/* unknown object */

	ret = gnutls_pkcs11_obj_import_url(obj, "pkcs11:token=unknown;object=invalid;type=private", GNUTLS_PKCS11_OBJ_FLAG_LOGIN);

	assert(ret == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE);

	ret = gnutls_pkcs11_obj_import_url(obj, "pkcs11:object=test;type=private", GNUTLS_PKCS11_OBJ_FLAG_LOGIN);

	assert(ret >= 0);

	ret = gnutls_pkcs11_obj_get_ptr(obj, (void**)&mod, (void*)&session,

					(void*)&ohandle,

					&slot_id, GNUTLS_PKCS11_OBJ_FLAG_LOGIN);

	if (ret < 0) {

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

		exit(1);

	}

	gnutls_pkcs11_obj_deinit(obj);

	rv = mod->C_GetInfo(&info;;

	if (rv != CKR_OK) {

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

		exit(1);

	}

	assert(info.cryptoki_version.major == 0x02);

	assert(info.cryptoki_version.minor == 0x14);

	assert(info.flags == 0);

	assert(info.library_version.major == 0x01);

	assert(info.library_version.minor == 0x00);

	rv = mod->C_GetTokenInfo(slot_id, &tinfo);

	if (rv != CKR_OK) {

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

		exit(1);

	}

	assert(tinfo.hardware_version.major == 0x01);

	assert(tinfo.firmware_version.major == 0x01);

	mech.mechanism = CKM_RSA_PKCS;

	mech.parameter = NULL;

	mech.parameter_len = 0;

	rv = mod->C_SignInit(session, &mech, ohandle);

	if (rv != CKR_OK) {

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

		exit(1);

	}

	len = sizeof(sig);

	rv = mod->C_Sign(session, data.data, data.size, sig, &len;;

	if (rv != CKR_OK) {

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

		exit(1);

	}

	mod->C_CloseSession(session);

	gnutls_pkcs11_deinit();

	gnutls_global_deinit();

}

#else

void doit(void)

{

	exit(77);

}

#endif