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libssh/tests/unittests/torture_threads_pki_rsa.c
Andreas Schneider c2776f70c1 tests: Improve test checks
CID 1394620

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
2018-08-06 08:32:07 +02:00

744 строки
20 KiB
C

/*
* This file is part of the SSH Library
*
* Copyright (c) 2018 by Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
*
* The SSH Library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The SSH Library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the SSH Library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#include "config.h"
#define LIBSSH_STATIC
#include <sys/stat.h>
#include <fcntl.h>
#include "torture.h"
#include "torture_pki.h"
#include "torture_key.h"
#include "pki.c"
#include <pthread.h>
#define LIBSSH_RSA_TESTKEY "libssh_testkey.id_rsa"
#define LIBSSH_RSA_TESTKEY_PASSPHRASE "libssh_testkey_passphrase.id_rsa"
#define NUM_THREADS 10
const unsigned char RSA_HASH[] = "12345678901234567890";
static int run_on_threads(void *(*func)(void *))
{
pthread_t threads[NUM_THREADS];
int rc;
int i;
for (i = 0; i < NUM_THREADS; ++i) {
rc = pthread_create(&threads[i], NULL, func, NULL);
assert_int_equal(rc, 0);
}
for (i = 0; i < NUM_THREADS; ++i) {
void *p = NULL;
uint64_t *result;
rc = pthread_join(threads[i], &p);
assert_int_equal(rc, 0);
result = (uint64_t *)p;
assert_null(result);
}
return rc;
}
static int setup_rsa_key(void **state)
{
(void) state; /* unused */
unlink(LIBSSH_RSA_TESTKEY);
unlink(LIBSSH_RSA_TESTKEY_PASSPHRASE);
unlink(LIBSSH_RSA_TESTKEY ".pub");
unlink(LIBSSH_RSA_TESTKEY "-cert.pub");
torture_write_file(LIBSSH_RSA_TESTKEY,
torture_get_testkey(SSH_KEYTYPE_RSA, 0, 0));
torture_write_file(LIBSSH_RSA_TESTKEY_PASSPHRASE,
torture_get_testkey(SSH_KEYTYPE_RSA, 0, 1));
torture_write_file(LIBSSH_RSA_TESTKEY ".pub",
torture_get_testkey_pub(SSH_KEYTYPE_RSA, 0));
torture_write_file(LIBSSH_RSA_TESTKEY ".pub",
torture_get_testkey_pub(SSH_KEYTYPE_RSA, 0));
torture_write_file(LIBSSH_RSA_TESTKEY "-cert.pub",
torture_get_testkey_pub(SSH_KEYTYPE_RSA_CERT01, 0));
return 0;
}
static int teardown(void **state)
{
(void) state; /* unused */
unlink(LIBSSH_RSA_TESTKEY);
unlink(LIBSSH_RSA_TESTKEY_PASSPHRASE);
unlink(LIBSSH_RSA_TESTKEY ".pub");
unlink(LIBSSH_RSA_TESTKEY "-cert.pub");
return 0;
}
static int disable_secmem(void **state)
{
(void) state; /*unused*/
#if defined(HAVE_LIBGCRYPT)
/* gcrypt currently is configured to use only 4kB of locked secmem
* (see ssh_crypto_init() in src/libcrypt.c)
*
* This is insufficient to run the RSA key generation in many threads.
* To avoid the expected warning, disable the secure memory.
* */
gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);
gcry_control(GCRYCTL_DISABLE_SECMEM);
#endif
return 0;
}
static int enable_secmem(void **state)
{
(void) state; /*unused*/
#if defined(HAVE_LIBGCRYPT)
/* Re-enable secmem */
gcry_control(GCRYCTL_INIT_SECMEM, 4096);
gcry_control(GCRYCTL_RESUME_SECMEM_WARN);
#endif
return 0;
}
static void *thread_pki_rsa_import_pubkey_file(void *threadid)
{
ssh_key pubkey = NULL;
int rc;
(void) threadid;
/* The key doesn't have the hostname as comment after the key */
rc = ssh_pki_import_pubkey_file(LIBSSH_RSA_TESTKEY ".pub", &pubkey);
assert_return_code(rc, errno);
assert_non_null(pubkey);
ssh_key_free(pubkey);
pthread_exit(NULL);
}
static void torture_pki_rsa_import_pubkey_file(void **state)
{
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_import_pubkey_file);
assert_int_equal(rc, 0);
}
static void *thread_pki_rsa_import_privkey_base64_NULL_key(void *threadid)
{
int rc;
const char *passphrase = torture_get_testkey_passphrase();
(void) threadid; /* unused */
/* test if it returns -1 if key is NULL */
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 0, 0),
passphrase,
NULL,
NULL,
NULL);
assert_true(rc == -1);
pthread_exit(NULL);
}
static void torture_pki_rsa_import_privkey_base64_NULL_key(void **state){
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_import_privkey_base64_NULL_key);
assert_int_equal(rc, 0);
}
static void *thread_pki_rsa_import_privkey_base64_NULL_str(void *threadid)
{
int rc;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
(void) threadid; /* unused */
/* test if it returns -1 if key_str is NULL */
rc = ssh_pki_import_privkey_base64(NULL, passphrase, NULL, NULL, &key);
assert_true(rc == -1);
ssh_key_free(key);
pthread_exit(NULL);
}
static void torture_pki_rsa_import_privkey_base64_NULL_str(void **state){
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_import_privkey_base64_NULL_str);
assert_int_equal(rc, 0);
}
static void *thread_pki_rsa_import_privkey_base64(void *threadid)
{
const char *passphrase = torture_get_testkey_passphrase();
char *key_str = NULL;
ssh_key key = NULL;
enum ssh_keytypes_e type;
int ok;
int rc;
(void) threadid; /* unused */
key_str = torture_pki_read_file(LIBSSH_RSA_TESTKEY);
assert_non_null(key_str);
rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_RSA);
ok = ssh_key_is_private(key);
assert_true(ok);
ok = ssh_key_is_public(key);
assert_true(ok);
free(key_str);
ssh_key_free(key);
pthread_exit(NULL);
}
static void torture_pki_rsa_import_privkey_base64(void **state)
{
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_import_privkey_base64);
assert_int_equal(rc, 0);
}
static void *thread_pki_rsa_publickey_from_privatekey(void *threadid)
{
const char *passphrase = NULL;
ssh_key pubkey = NULL;
ssh_key key = NULL;
int rc;
int ok;
(void) threadid; /* unused */
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 0, 0),
passphrase,
NULL,
NULL,
&key);
assert_true(rc == 0);
ok = ssh_key_is_private(key);
assert_true(ok);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_true(rc == SSH_OK);
ssh_key_free(key);
ssh_key_free(pubkey);
pthread_exit(NULL);
}
static void torture_pki_rsa_publickey_from_privatekey(void **state)
{
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_publickey_from_privatekey);
assert_int_equal(rc, 0);
}
static void *thread_pki_rsa_copy_cert_to_privkey(void *threadid)
{
/*
* Tests copying a cert loaded into a public key to a private key.
* The function is encryption type agnostic, no need to run this against
* all supported key types.
*/
const char *passphrase = torture_get_testkey_passphrase();
ssh_key pubkey = NULL;
ssh_key privkey = NULL;
ssh_key cert = NULL;
int rc;
(void) threadid; /* unused */
rc = ssh_pki_import_cert_file(LIBSSH_RSA_TESTKEY "-cert.pub", &cert);
assert_true(rc == SSH_OK);
rc = ssh_pki_import_pubkey_file(LIBSSH_RSA_TESTKEY ".pub", &pubkey);
assert_true(rc == SSH_OK);
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 0, 0),
passphrase,
NULL,
NULL,
&privkey);
assert_true(rc == SSH_OK);
/* Basic sanity. */
rc = ssh_pki_copy_cert_to_privkey(NULL, privkey);
assert_true(rc == SSH_ERROR);
rc = ssh_pki_copy_cert_to_privkey(pubkey, NULL);
assert_true(rc == SSH_ERROR);
/* A public key doesn't have a cert, copy should fail. */
assert_true(pubkey->cert == NULL);
rc = ssh_pki_copy_cert_to_privkey(pubkey, privkey);
assert_true(rc == SSH_ERROR);
/* Copying the cert to non-cert keys should work fine. */
rc = ssh_pki_copy_cert_to_privkey(cert, pubkey);
assert_true(rc == SSH_OK);
rc = ssh_pki_copy_cert_to_privkey(cert, privkey);
assert_true(rc == SSH_OK);
/* The private key's cert is already set, another copy should fail. */
rc = ssh_pki_copy_cert_to_privkey(cert, privkey);
assert_true(rc == SSH_ERROR);
ssh_key_free(cert);
ssh_key_free(privkey);
ssh_key_free(pubkey);
pthread_exit(NULL);
}
static void torture_pki_rsa_copy_cert_to_privkey(void **state)
{
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_copy_cert_to_privkey);
assert_int_equal(rc, 0);
}
static void *thread_pki_rsa_import_cert_file(void *threadid)
{
int rc;
ssh_key cert;
enum ssh_keytypes_e type;
(void) threadid; /* unused */
rc = ssh_pki_import_cert_file(LIBSSH_RSA_TESTKEY "-cert.pub", &cert);
assert_true(rc == 0);
type = ssh_key_type(cert);
assert_true(type == SSH_KEYTYPE_RSA_CERT01);
rc = ssh_key_is_public(cert);
assert_true(rc == 1);
ssh_key_free(cert);
pthread_exit(NULL);
}
static void torture_pki_rsa_import_cert_file(void **state)
{
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_import_cert_file);
assert_int_equal(rc, 0);
}
static void *thread_pki_rsa_publickey_base64(void *threadid)
{
enum ssh_keytypes_e type;
char *b64_key, *key_buf, *p;
const char *q;
ssh_key key;
int rc;
(void) threadid; /* unused */
key_buf = strdup(torture_get_testkey_pub(SSH_KEYTYPE_RSA, 0));
assert_non_null(key_buf);
q = p = key_buf;
while (*p != ' ') p++;
*p = '\0';
type = ssh_key_type_from_name(q);
assert_true(type == SSH_KEYTYPE_RSA);
q = ++p;
while (*p != ' ') p++;
*p = '\0';
rc = ssh_pki_import_pubkey_base64(q, type, &key);
assert_true(rc == 0);
rc = ssh_pki_export_pubkey_base64(key, &b64_key);
assert_true(rc == 0);
assert_string_equal(q, b64_key);
free(b64_key);
free(key_buf);
ssh_key_free(key);
pthread_exit(NULL);
}
static void torture_pki_rsa_publickey_base64(void **state)
{
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_publickey_base64);
assert_int_equal(rc, 0);
}
static void *thread_pki_rsa_duplicate_key(void *threadid)
{
char *b64_key;
char *b64_key_gen;
ssh_key pubkey;
ssh_key privkey;
ssh_key privkey_dup;
int cmp;
int rc;
(void) threadid;
rc = ssh_pki_import_pubkey_file(LIBSSH_RSA_TESTKEY ".pub", &pubkey);
assert_true(rc == 0);
rc = ssh_pki_export_pubkey_base64(pubkey, &b64_key);
assert_true(rc == 0);
ssh_key_free(pubkey);
rc = ssh_pki_import_privkey_file(LIBSSH_RSA_TESTKEY,
NULL,
NULL,
NULL,
&privkey);
assert_true(rc == 0);
privkey_dup = ssh_key_dup(privkey);
assert_non_null(privkey_dup);
rc = ssh_pki_export_privkey_to_pubkey(privkey, &pubkey);
assert_true(rc == SSH_OK);
assert_non_null(pubkey);
rc = ssh_pki_export_pubkey_base64(pubkey, &b64_key_gen);
assert_true(rc == 0);
assert_non_null(b64_key_gen);
assert_string_equal(b64_key, b64_key_gen);
cmp = ssh_key_cmp(privkey, privkey_dup, SSH_KEY_CMP_PRIVATE);
assert_true(cmp == 0);
ssh_key_free(pubkey);
ssh_key_free(privkey);
ssh_key_free(privkey_dup);
ssh_string_free_char(b64_key);
ssh_string_free_char(b64_key_gen);
pthread_exit(NULL);
}
static void torture_pki_rsa_duplicate_key(void **state)
{
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_duplicate_key);
assert_int_equal(rc, 0);
}
static void *thread_pki_rsa_generate_key(void *threadid)
{
int rc;
ssh_key key = NULL;
ssh_signature sign = NULL;
ssh_session session = NULL;
(void) threadid;
session = ssh_new();
assert_non_null(session);
rc = ssh_pki_generate(SSH_KEYTYPE_RSA, 1024, &key);
assert_ssh_return_code(session, rc);
assert_non_null(key);
sign = pki_do_sign(key, RSA_HASH, 20);
assert_non_null(sign);
rc = pki_signature_verify(session,sign,key,RSA_HASH,20);
assert_ssh_return_code(session, rc);
ssh_signature_free(sign);
ssh_key_free(key);
key = NULL;
rc = ssh_pki_generate(SSH_KEYTYPE_RSA, 2048, &key);
assert_ssh_return_code(session, rc);
assert_non_null(key);
sign = pki_do_sign(key, RSA_HASH, 20);
assert_non_null(sign);
rc = pki_signature_verify(session,sign,key,RSA_HASH,20);
assert_ssh_return_code(session, rc);
ssh_signature_free(sign);
ssh_key_free(key);
key = NULL;
rc = ssh_pki_generate(SSH_KEYTYPE_RSA, 4096, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
sign = pki_do_sign(key, RSA_HASH, 20);
assert_non_null(sign);
rc = pki_signature_verify(session,sign,key,RSA_HASH,20);
assert_true(rc == SSH_OK);
ssh_signature_free(sign);
ssh_key_free(key);
key = NULL;
ssh_free(session);
pthread_exit(NULL);
}
static void torture_pki_rsa_generate_key(void **state)
{
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_generate_key);
assert_int_equal(rc, 0);
}
static void *thread_pki_rsa_import_privkey_base64_passphrase(void *threadid)
{
int rc;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
(void) threadid; /* unused */
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 0, 1),
passphrase,
NULL,
NULL,
&key);
assert_return_code(rc, errno);
rc = ssh_key_is_private(key);
assert_true(rc == 1);
ssh_key_free(key);
key = NULL;
/* test if it returns -1 if passphrase is wrong */
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 0, 1),
"wrong passphrase !!",
NULL,
NULL,
&key);
assert_true(rc == -1);
ssh_key_free(key);
key = NULL;
#ifndef HAVE_LIBCRYPTO
/* test if it returns -1 if passphrase is NULL */
/* libcrypto asks for a passphrase, so skip this test */
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 0, 1),
NULL,
NULL,
NULL,
&key);
assert_true(rc == -1);
ssh_key_free(key);
key = NULL;
#endif
pthread_exit(NULL);
}
static void torture_pki_rsa_import_privkey_base64_passphrase(void **state)
{
int rc;
/* Unused */
(void) state;
rc = run_on_threads(thread_pki_rsa_import_privkey_base64_passphrase);
assert_int_equal(rc, 0);
}
#define NUM_TESTS 11
static void torture_mixed(void **state)
{
pthread_t threads[NUM_TESTS][NUM_THREADS];
int i;
int f;
int rc;
/* Array of functions to run on threads */
static void *(*funcs[NUM_TESTS])(void *) = {
thread_pki_rsa_import_pubkey_file,
thread_pki_rsa_import_privkey_base64_NULL_key,
thread_pki_rsa_import_privkey_base64_NULL_str,
thread_pki_rsa_import_privkey_base64,
thread_pki_rsa_publickey_from_privatekey,
thread_pki_rsa_import_privkey_base64_passphrase,
thread_pki_rsa_copy_cert_to_privkey,
thread_pki_rsa_import_cert_file,
thread_pki_rsa_publickey_base64,
thread_pki_rsa_duplicate_key,
thread_pki_rsa_generate_key,
};
(void) state;
/* Call tests in a round-robin fashion */
for (i = 0; i < NUM_THREADS; ++i) {
for (f = 0; f < NUM_TESTS; f++) {
rc = pthread_create(&threads[f][i], NULL, funcs[f], NULL);
assert_int_equal(rc, 0);
}
}
for (f = 0; f < NUM_TESTS; f++) {
for (i = 0; i < NUM_THREADS; ++i) {
void *p = NULL;
uint64_t *result = NULL;
rc = pthread_join(threads[f][i], &p);
assert_int_equal(rc, 0);
result = (uint64_t *)p;
assert_null(result);
}
}
}
int torture_run_tests(void)
{
int rc;
struct CMUnitTest tests[] = {
cmocka_unit_test_setup_teardown(torture_pki_rsa_import_pubkey_file,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_import_privkey_base64_NULL_key,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_import_privkey_base64_NULL_str,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_import_privkey_base64,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_publickey_from_privatekey,
setup_rsa_key,
teardown),
cmocka_unit_test(torture_pki_rsa_import_privkey_base64_passphrase),
cmocka_unit_test_setup_teardown(torture_pki_rsa_copy_cert_to_privkey,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_import_cert_file,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_publickey_base64,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_duplicate_key,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_generate_key,
disable_secmem,
enable_secmem),
cmocka_unit_test_setup_teardown(torture_mixed,
setup_rsa_key,
teardown),
};
/*
* Not testing:
* - pki_rsa_generate_pubkey_from_privkey
* - pki_rsa_write_privkey
*
* The original tests in torture_pki_rsa.c require files to be erased
*/
/*
* If the library is statically linked, ssh_init() is not called
* automatically
*/
ssh_init();
torture_filter_tests(tests);
rc = cmocka_run_group_tests(tests, NULL, NULL);
ssh_finalize();
return rc;
}