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/*
* 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, see <https://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <gnutls/gnutls.h>
#include <gnutls/abstract.h>
#include <gnutls/crypto.h>
#include <signal.h>
#include <unistd.h>
#include <assert.h>
#ifndef _WIN32
# include <netinet/in.h>
# include <sys/types.h>
# include <sys/socket.h>
# include <sys/wait.h>
# include <pthread.h>
#endif
#include "utils.h"
#if !defined(HAVE___REGISTER_ATFORK)
void doit(void)
{
exit(77);
}
#else
#ifdef _WIN32
# define P11LIB "libpkcs11mock1.dll"
#else
# include <dlfcn.h>
# define P11LIB "libpkcs11mock1.so"
#endif
/* Tests whether we can use gnutls_privkey_sign() under multiple threads
* with the same key when PKCS#11 is in use.
*/
#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;
}
typedef struct thread_data_st {
gnutls_privkey_t pkey;
pthread_t id;
} thread_data_st;
static void *start_thread(void *arg)
{
thread_data_st *data = arg;
int ret;
gnutls_datum_t sig;
ret = gnutls_privkey_sign_data(data->pkey, GNUTLS_DIG_SHA256, 0, &testdata, &sig);
if (ret < 0)
pthread_exit((void*)-2);
gnutls_free(sig.data);
pthread_exit(0);
}
#define MAX_THREADS 48
static
void do_thread_stuff(gnutls_privkey_t pkey)
{
int ret;
thread_data_st *data;
unsigned i;
void *retval;
data = calloc(1, sizeof(thread_data_st)*MAX_THREADS);
if (data == NULL)
abort();
for (i=0;i<MAX_THREADS;i++) {
data[i].pkey = pkey;
ret = pthread_create(&data[i].id, NULL, start_thread, &data[i]);
if (ret != 0) {
fail("Error creating thread\n");
}
}
for (i=0;i<MAX_THREADS;i++) {
ret = pthread_join(data[i].id, &retval);
if (ret != 0 || retval != NULL) {
fail("Error in %d: %p\n", (int)data[i].id, retval);
}
}
free(data);
}
void doit(void)
{
int ret, status;
const char *lib;
gnutls_privkey_t pkey;
pid_t pid;
signal(SIGPIPE, SIG_IGN);
gnutls_pkcs11_set_pin_function(pin_func, NULL);
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_privkey_init(&pkey) == 0);
ret = gnutls_privkey_import_url(pkey, "pkcs11:object=test", GNUTLS_PKCS11_OBJ_FLAG_LOGIN);
if (ret < 0) {
fprintf(stderr, "error in %d: %s\n", __LINE__, gnutls_strerror(ret));
exit(1);
}
/* fork to force PKCS#11 reinitialization */
pid = fork();
if (pid == -1) {
exit(1);
} else if (pid) {
waitpid(pid, &status, 0);
check_wait_status(status);
goto cleanup;
}
do_thread_stuff(pkey);
cleanup:
gnutls_privkey_deinit(pkey);
}
#endif
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