/*
* Copyright (C) 2018 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 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 <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include <gnutls/abstract.h>
#include "../utils.h"
#include "softhsm.h"
/* Tests whether gnutls_x509_crt_list_import_url() will return a well
* sorted chain, out of values written to softhsm token.
*/
#define CONFIG_NAME "softhsm-import-url"
#define CONFIG CONFIG_NAME".config"
#include "../test-chains.h"
#define PIN "123456"
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 int comp_cert(gnutls_pcert_st *pcert, unsigned i)
{
int ret;
gnutls_datum_t data;
gnutls_x509_crt_t crt2;
if (debug)
success("comparing cert %d\n", i);
ret = gnutls_x509_crt_init(&crt2);
if (ret < 0)
return -1;
data.data = (void*)nc_good2[i];
data.size = strlen(nc_good2[i]);
ret = gnutls_x509_crt_import(crt2, &data, GNUTLS_X509_FMT_PEM);
if (ret < 0)
return -1;
if (!gnutls_x509_crt_equals2(crt2, &pcert->cert)) {
return -1;
}
gnutls_x509_crt_deinit(crt2);
return 0;
}
static void load_cert(const char *url, unsigned i)
{
int ret;
gnutls_datum_t data;
gnutls_x509_crt_t crt;
char name[64];
ret = gnutls_x509_crt_init(&crt);
if (ret < 0)
fail("error: %s\n", gnutls_strerror(ret));
data.data = (void*)nc_good2[i];
data.size = strlen(nc_good2[i]);
ret = gnutls_x509_crt_import(crt, &data, GNUTLS_X509_FMT_PEM);
if (ret < 0)
fail("error[%d]: %s\n", i, gnutls_strerror(ret));
snprintf(name, sizeof(name), "cert-%d", i);
ret = gnutls_pkcs11_copy_x509_crt(url, crt, name, GNUTLS_PKCS11_OBJ_FLAG_LOGIN|GNUTLS_PKCS11_OBJ_FLAG_MARK_PRIVATE);
if (ret < 0)
fail("error[%d]: %s\n", i, gnutls_strerror(ret));
success("written cert-%d\n", i);
gnutls_x509_crt_deinit(crt);
}
static void load_chain(const char *url)
{
load_cert(url, 1);
load_cert(url, 0);
load_cert(url, 4);
load_cert(url, 2);
load_cert(url, 3);
}
static void write_certs(const char *file)
{
FILE *fp = fopen(file, "w");
assert(fp != NULL);
fwrite(nc_good2[0], strlen(nc_good2[0]), 1, fp);
fwrite(nc_good2[4], strlen(nc_good2[4]), 1, fp);
fwrite(nc_good2[1], strlen(nc_good2[1]), 1, fp);
fwrite(nc_good2[2], strlen(nc_good2[2]), 1, fp);
fwrite(nc_good2[3], strlen(nc_good2[3]), 1, fp);
fclose(fp);
}
void doit(void)
{
char buf[512];
int ret;
const char *lib, *bin;
unsigned int i;
gnutls_pcert_st pcerts[16];
unsigned int pcerts_size;
char file[TMPNAME_SIZE];
track_temp_files();
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, "add_provider: %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));
}
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));
}
load_chain(SOFTHSM_URL);
gnutls_pkcs11_set_pin_function(NULL, NULL);
success("import from URI\n");
pcerts_size = 2;
ret = gnutls_pcert_list_import_x509_file(pcerts, &pcerts_size, SOFTHSM_URL";object=cert-0",
GNUTLS_X509_FMT_PEM, pin_func, NULL, 0);
assert(ret == GNUTLS_E_SHORT_MEMORY_BUFFER);
pcerts_size = sizeof(pcerts)/sizeof(pcerts[0]);
ret = gnutls_pcert_list_import_x509_file(pcerts, &pcerts_size, SOFTHSM_URL";object=cert-0",
GNUTLS_X509_FMT_PEM, pin_func, NULL, 0);
if (ret < 0)
fail("cannot load certs: %s\n", gnutls_strerror(ret));
assert(pcerts_size == 5);
for (i=0;i<pcerts_size;i++)
assert(comp_cert(&pcerts[i], i)>=0);
for (i=0;i<pcerts_size;i++)
gnutls_pcert_deinit(&pcerts[i]);
/* Try testing importing from file
*/
success("import from file\n");
get_tmpname(file);
write_certs(file);
pcerts_size = 2;
ret = gnutls_pcert_list_import_x509_file(pcerts, &pcerts_size, file,
GNUTLS_X509_FMT_PEM, pin_func, NULL, 0);
assert(ret == GNUTLS_E_SHORT_MEMORY_BUFFER);
pcerts_size = sizeof(pcerts)/sizeof(pcerts[0]);
ret = gnutls_pcert_list_import_x509_file(pcerts, &pcerts_size, file,
GNUTLS_X509_FMT_PEM, pin_func, NULL, 0);
if (ret < 0)
fail("cannot load certs: %s\n", gnutls_strerror(ret));
assert(pcerts_size == 5);
for (i=0;i<pcerts_size;i++)
assert(comp_cert(&pcerts[i], i)>=0);
for (i=0;i<pcerts_size;i++)
gnutls_pcert_deinit(&pcerts[i]);
gnutls_global_deinit();
delete_temp_files();
remove(CONFIG);
}