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|
#include "config.h"
#define LIBSSH_STATIC
#include <sys/stat.h>
#include <fcntl.h>
#include "pki.c"
#include "torture.h"
#include "torture_pki.h"
#include "torture_key.h"
#define LIBSSH_RSA_TESTKEY "libssh_testkey.id_rsa"
#define LIBSSH_RSA_TESTKEY_PASSPHRASE "libssh_testkey_passphrase.id_rsa"
const char template[] = "temp_dir_XXXXXX";
const unsigned char INPUT[] = "1234567890123456789012345678901234567890"
"123456789012345678901234";
struct pki_st {
char *cwd;
char *temp_dir;
};
static int setup_rsa_key(void **state)
{
struct pki_st *test_state = NULL;
char *cwd = NULL;
char *tmp_dir = NULL;
int rc = 0;
test_state = (struct pki_st *)malloc(sizeof(struct pki_st));
assert_non_null(test_state);
cwd = torture_get_current_working_dir();
assert_non_null(cwd);
tmp_dir = torture_make_temp_dir(template);
assert_non_null(tmp_dir);
test_state->cwd = cwd;
test_state->temp_dir = tmp_dir;
*state = test_state;
rc = torture_change_dir(tmp_dir);
assert_int_equal(rc, 0);
printf("Changed directory to: %s\n", tmp_dir);
torture_write_file(LIBSSH_RSA_TESTKEY,
torture_get_testkey(SSH_KEYTYPE_RSA, 0));
torture_write_file(LIBSSH_RSA_TESTKEY_PASSPHRASE,
torture_get_testkey(SSH_KEYTYPE_RSA, 1));
torture_write_file(LIBSSH_RSA_TESTKEY ".pub",
torture_get_testkey_pub(SSH_KEYTYPE_RSA));
torture_write_file(LIBSSH_RSA_TESTKEY "-cert.pub",
torture_get_testkey_pub(SSH_KEYTYPE_RSA_CERT01));
return 0;
}
static int setup_openssh_rsa_key(void **state)
{
struct pki_st *test_state = NULL;
char *cwd = NULL;
char *tmp_dir = NULL;
int rc = 0;
test_state = (struct pki_st *)malloc(sizeof(struct pki_st));
assert_non_null(test_state);
cwd = torture_get_current_working_dir();
assert_non_null(cwd);
tmp_dir = torture_make_temp_dir(template);
assert_non_null(tmp_dir);
test_state->cwd = cwd;
test_state->temp_dir = tmp_dir;
*state = test_state;
rc = torture_change_dir(tmp_dir);
assert_int_equal(rc, 0);
torture_write_file(LIBSSH_RSA_TESTKEY,
torture_get_openssh_testkey(SSH_KEYTYPE_RSA, 0));
torture_write_file(LIBSSH_RSA_TESTKEY_PASSPHRASE,
torture_get_openssh_testkey(SSH_KEYTYPE_RSA, 1));
torture_write_file(LIBSSH_RSA_TESTKEY ".pub",
torture_get_testkey_pub(SSH_KEYTYPE_RSA));
torture_write_file(LIBSSH_RSA_TESTKEY "-cert.pub",
torture_get_testkey_pub(SSH_KEYTYPE_RSA_CERT01));
return 0;
}
static int teardown(void **state) {
struct pki_st *test_state = NULL;
int rc = 0;
test_state = *((struct pki_st **)state);
assert_non_null(test_state);
assert_non_null(test_state->cwd);
assert_non_null(test_state->temp_dir);
rc = torture_change_dir(test_state->cwd);
assert_int_equal(rc, 0);
rc = torture_rmdirs(test_state->temp_dir);
assert_int_equal(rc, 0);
SAFE_FREE(test_state->temp_dir);
SAFE_FREE(test_state->cwd);
SAFE_FREE(test_state);
return 0;
}
static void torture_pki_rsa_import_pubkey_file(void **state)
{
ssh_key pubkey = NULL;
int rc;
(void)state;
/* 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);
}
static void torture_pki_rsa_import_pubkey_from_openssh_privkey(void **state)
{
ssh_key pubkey = NULL;
int rc;
(void)state;
/* The key doesn't have the hostname as comment after the key */
rc = ssh_pki_import_pubkey_file(LIBSSH_RSA_TESTKEY_PASSPHRASE, &pubkey);
assert_return_code(rc, errno);
assert_non_null(pubkey);
SSH_KEY_FREE(pubkey);
}
static void torture_pki_rsa_import_privkey_base64_NULL_key(void **state)
{
int rc;
const char *passphrase = torture_get_testkey_passphrase();
(void) state; /* unused */
/* test if it returns -1 if key is NULL */
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 0),
passphrase,
NULL,
NULL,
NULL);
assert_true(rc == -1);
}
static void torture_pki_rsa_import_privkey_base64_NULL_str(void **state)
{
int rc;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
(void) state; /* 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);
}
static void torture_pki_rsa_import_privkey_base64(void **state)
{
int rc;
char *key_str = NULL;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
enum ssh_keytypes_e type;
(void) state; /* 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);
assert_non_null(key);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_RSA);
rc = ssh_key_is_private(key);
assert_true(rc == 1);
rc = ssh_key_is_public(key);
assert_true(rc == 1);
free(key_str);
SSH_KEY_FREE(key);
}
static void torture_pki_rsa_import_privkey_base64_comment(void **state)
{
int rc, file_str_len;
const char *comment_str = "#this is line-comment\n#this is another\n";
char *key_str = NULL, *file_str = NULL;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
enum ssh_keytypes_e type;
(void) state; /* unused */
key_str = torture_pki_read_file(LIBSSH_RSA_TESTKEY);
assert_non_null(key_str);
file_str_len = strlen(comment_str) + strlen(key_str) + 1;
file_str = malloc(file_str_len);
assert_non_null(file_str);
rc = snprintf(file_str, file_str_len, "%s%s", comment_str, key_str);
assert_int_equal(rc, file_str_len - 1);
rc = ssh_pki_import_privkey_base64(file_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
assert_non_null(key);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_RSA);
rc = ssh_key_is_private(key);
assert_true(rc == 1);
rc = ssh_key_is_public(key);
assert_true(rc == 1);
free(key_str);
free(file_str);
SSH_KEY_FREE(key);
}
static void torture_pki_rsa_import_privkey_base64_whitespace(void **state)
{
int rc, file_str_len;
const char *whitespace_str = " \n\t\t\t\t\t\n\n\n\n\n";
char *key_str = NULL, *file_str = NULL;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
enum ssh_keytypes_e type;
(void) state; /* unused */
key_str = torture_pki_read_file(LIBSSH_RSA_TESTKEY);
assert_non_null(key_str);
file_str_len = strlen(whitespace_str) + strlen(key_str) + 1;
file_str = malloc(file_str_len);
assert_non_null(file_str);
rc = snprintf(file_str, file_str_len, "%s%s", whitespace_str, key_str);
assert_int_equal(rc, file_str_len - 1);
rc = ssh_pki_import_privkey_base64(file_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
assert_non_null(key);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_RSA);
rc = ssh_key_is_private(key);
assert_true(rc == 1);
rc = ssh_key_is_public(key);
assert_true(rc == 1);
free(key_str);
free(file_str);
SSH_KEY_FREE(key);
}
static void torture_pki_rsa_publickey_from_privatekey(void **state)
{
int rc;
ssh_key key = NULL;
ssh_key pubkey = NULL;
const char *passphrase = NULL;
(void) state; /* unused */
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 0),
passphrase,
NULL,
NULL,
&key);
assert_true(rc == 0);
assert_non_null(key);
rc = ssh_key_is_private(key);
assert_true(rc == 1);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_true(rc == SSH_OK);
assert_non_null(pubkey);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
}
static void torture_pki_rsa_copy_cert_to_privkey(void **state)
{
/*
* 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.
*/
int rc;
const char *passphrase = torture_get_testkey_passphrase();
ssh_key pubkey = NULL;
ssh_key privkey = NULL;
ssh_key cert = NULL;
(void) state; /* unused */
rc = ssh_pki_import_cert_file(LIBSSH_RSA_TESTKEY "-cert.pub", &cert);
assert_true(rc == SSH_OK);
assert_non_null(cert);
rc = ssh_pki_import_pubkey_file(LIBSSH_RSA_TESTKEY ".pub", &pubkey);
assert_true(rc == SSH_OK);
assert_non_null(pubkey);
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 0),
passphrase,
NULL,
NULL,
&privkey);
assert_true(rc == SSH_OK);
assert_non_null(privkey);
/* 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_null(pubkey->cert);
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);
assert_non_null(pubkey->cert);
rc = ssh_pki_copy_cert_to_privkey(cert, privkey);
assert_true(rc == SSH_OK);
assert_non_null(privkey->cert);
/* 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);
}
static void torture_pki_rsa_import_cert_file(void **state) {
int rc;
ssh_key cert = NULL;
enum ssh_keytypes_e type;
(void) state; /* unused */
rc = ssh_pki_import_cert_file(LIBSSH_RSA_TESTKEY "-cert.pub", &cert);
assert_true(rc == 0);
assert_non_null(cert);
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);
}
static void torture_pki_rsa_publickey_base64(void **state)
{
enum ssh_keytypes_e type;
char *b64_key = NULL, *key_buf = NULL, *p = NULL;
const char *q = NULL;
ssh_key key = NULL;
int rc;
(void) state; /* unused */
key_buf = strdup(torture_get_testkey_pub(SSH_KEYTYPE_RSA));
assert_non_null(key_buf);
q = p = key_buf;
while (p != NULL && *p != '\0' && *p != ' ') p++;
if (p != NULL) {
*p = '\0';
}
type = ssh_key_type_from_name(q);
assert_true(type == SSH_KEYTYPE_RSA);
q = ++p;
while (p != NULL && *p != '\0' && *p != ' ') p++;
if (p != NULL) {
*p = '\0';
}
rc = ssh_pki_import_pubkey_base64(q, type, &key);
assert_true(rc == 0);
assert_non_null(key);
rc = ssh_pki_export_pubkey_base64(key, &b64_key);
assert_true(rc == 0);
assert_non_null(b64_key);
assert_string_equal(q, b64_key);
free(b64_key);
free(key_buf);
SSH_KEY_FREE(key);
}
static void torture_pki_rsa_generate_pubkey_from_privkey(void **state) {
char pubkey_generated[4096] = {0};
ssh_key privkey = NULL;
ssh_key pubkey = NULL;
int rc;
int len;
(void) state; /* unused */
/* remove the public key, generate it from the private key and write it. */
unlink(LIBSSH_RSA_TESTKEY ".pub");
rc = ssh_pki_import_privkey_file(LIBSSH_RSA_TESTKEY,
NULL,
NULL,
NULL,
&privkey);
assert_true(rc == 0);
assert_non_null(privkey);
rc = ssh_pki_export_privkey_to_pubkey(privkey, &pubkey);
assert_true(rc == SSH_OK);
assert_non_null(pubkey);
rc = ssh_pki_export_pubkey_file(pubkey, LIBSSH_RSA_TESTKEY ".pub");
assert_true(rc == 0);
rc = torture_read_one_line(LIBSSH_RSA_TESTKEY ".pub",
pubkey_generated,
sizeof(pubkey_generated));
assert_true(rc == 0);
len = torture_pubkey_len(torture_get_testkey_pub(SSH_KEYTYPE_RSA));
assert_memory_equal(torture_get_testkey_pub(SSH_KEYTYPE_RSA),
pubkey_generated,
len);
SSH_KEY_FREE(privkey);
SSH_KEY_FREE(pubkey);
}
static void torture_pki_rsa_duplicate_key(void **state)
{
int rc;
char *b64_key = NULL;
char *b64_key_gen = NULL;
ssh_key pubkey = NULL;
ssh_key pubkey_dup = NULL;
ssh_key privkey = NULL;
ssh_key privkey_dup = NULL;
(void) state;
rc = ssh_pki_import_pubkey_file(LIBSSH_RSA_TESTKEY ".pub", &pubkey);
assert_true(rc == 0);
assert_non_null(pubkey);
rc = ssh_pki_export_pubkey_base64(pubkey, &b64_key);
assert_true(rc == 0);
assert_non_null(b64_key);
rc = ssh_pki_import_privkey_file(LIBSSH_RSA_TESTKEY,
NULL,
NULL,
NULL,
&privkey);
assert_true(rc == 0);
assert_non_null(privkey);
privkey_dup = ssh_key_dup(privkey);
assert_non_null(privkey_dup);
rc = ssh_pki_export_privkey_to_pubkey(privkey, &pubkey_dup);
assert_true(rc == SSH_OK);
assert_non_null(pubkey_dup);
rc = ssh_pki_export_pubkey_base64(pubkey_dup, &b64_key_gen);
assert_true(rc == 0);
assert_non_null(b64_key_gen);
assert_string_equal(b64_key, b64_key_gen);
rc = ssh_key_cmp(privkey, privkey_dup, SSH_KEY_CMP_PRIVATE);
assert_true(rc == 0);
rc = ssh_key_cmp(pubkey, pubkey_dup, SSH_KEY_CMP_PUBLIC);
assert_true(rc == 0);
SSH_KEY_FREE(pubkey);
SSH_KEY_FREE(pubkey_dup);
SSH_KEY_FREE(privkey);
SSH_KEY_FREE(privkey_dup);
SSH_STRING_FREE_CHAR(b64_key);
SSH_STRING_FREE_CHAR(b64_key_gen);
}
static void torture_pki_rsa_generate_key(void **state)
{
int rc;
ssh_key key = NULL, pubkey = NULL;
ssh_signature sign = NULL;
ssh_session session = ssh_new();
int verbosity = torture_libssh_verbosity();
(void) state;
ssh_options_set(session, SSH_OPTIONS_LOG_VERBOSITY, &verbosity);
if (!ssh_fips_mode()) {
rc = ssh_pki_generate(SSH_KEYTYPE_RSA, 1024, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA256);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_true(rc == SSH_OK);
ssh_signature_free(sign);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
key = NULL;
pubkey = NULL;
}
rc = ssh_pki_generate(SSH_KEYTYPE_RSA, 2048, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA256);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_true(rc == SSH_OK);
ssh_signature_free(sign);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
key = NULL;
pubkey = NULL;
rc = ssh_pki_generate(SSH_KEYTYPE_RSA, 4096, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA256);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_true(rc == SSH_OK);
ssh_signature_free(sign);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
key = NULL;
pubkey = NULL;
ssh_free(session);
}
static void torture_pki_rsa_sha2(void **state)
{
int rc;
ssh_key key = NULL, cert = NULL, pubkey = NULL;
ssh_signature sign;
ssh_session session=ssh_new();
(void) state;
assert_non_null(session);
/* Setup */
rc = ssh_pki_import_privkey_file(LIBSSH_RSA_TESTKEY, NULL, NULL, NULL, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_import_cert_file(LIBSSH_RSA_TESTKEY "-cert.pub", &cert);
assert_true(rc == SSH_OK);
assert_non_null(cert);
/* Get the public key to verify signature */
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
if (!ssh_fips_mode()) {
/* Sign using old SHA1 digest */
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA1);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_ssh_return_code(session, rc);
rc = ssh_pki_signature_verify(session, sign, cert, INPUT, sizeof(INPUT));
assert_ssh_return_code(session, rc);
ssh_signature_free(sign);
}
/* Sign using new SHA256 digest */
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA256);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_ssh_return_code(session, rc);
rc = ssh_pki_signature_verify(session, sign, cert, INPUT, sizeof(INPUT));
assert_ssh_return_code(session, rc);
ssh_signature_free(sign);
/* Sign using rsa-sha2-512 algorithm */
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA512);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_ssh_return_code(session, rc);
rc = ssh_pki_signature_verify(session, sign, cert, INPUT, sizeof(INPUT));
assert_ssh_return_code(session, rc);
ssh_signature_free(sign);
/* Test that it fails when using DIGEST_AUTO */
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_AUTO);
assert_null(sign);
/* Test that it fails when using SHA384 */
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA384);
assert_null(sign);
/* Cleanup */
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
SSH_KEY_FREE(cert);
ssh_free(session);
}
static void torture_pki_rsa_key_size(void **state)
{
int rc;
ssh_key key = NULL, pubkey = NULL;
ssh_signature sign = NULL;
ssh_session session=ssh_new();
unsigned int length = 4096;
(void) state;
rc = ssh_pki_generate(SSH_KEYTYPE_RSA, 2048, &key);
assert_true(rc == SSH_OK);
assert_non_null(key);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
sign = pki_do_sign(key, INPUT, sizeof(INPUT), SSH_DIGEST_SHA256);
assert_non_null(sign);
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_ssh_return_code(session, rc);
/* Set the minimum RSA key size to 4k */
rc = ssh_options_set(session, SSH_OPTIONS_RSA_MIN_SIZE, &length);
assert_ssh_return_code(session, rc);
/* the verification should fail now */
rc = ssh_pki_signature_verify(session, sign, pubkey, INPUT, sizeof(INPUT));
assert_true(rc == SSH_ERROR);
ssh_signature_free(sign);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
key = NULL;
pubkey = NULL;
ssh_free(session);
}
static int test_sign_verify_data(ssh_key key,
enum ssh_digest_e hash_type,
const unsigned char *input,
size_t input_len)
{
ssh_signature sig;
ssh_key pubkey = NULL;
int rc;
/* Get the public key to verify signature */
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
/* Sign the buffer */
sig = pki_sign_data(key, hash_type, input, input_len);
assert_non_null(sig);
/* Verify signature */
rc = pki_verify_data_signature(sig, pubkey, input, input_len);
assert_int_equal(rc, SSH_OK);
ssh_signature_free(sig);
SSH_KEY_FREE(pubkey);
return rc;
}
static void torture_pki_sign_data_rsa(void **state)
{
int rc;
ssh_key key = NULL;
(void) state;
/* Setup */
rc = ssh_pki_generate(SSH_KEYTYPE_RSA, 2048, &key);
assert_int_equal(rc, SSH_OK);
assert_non_null(key);
if (!ssh_fips_mode()) {
/* Test using SHA1 */
rc = test_sign_verify_data(key, SSH_DIGEST_SHA1, INPUT, sizeof(INPUT));
assert_int_equal(rc, SSH_OK);
}
/* Test using SHA256 */
rc = test_sign_verify_data(key, SSH_DIGEST_SHA256, INPUT, sizeof(INPUT));
assert_int_equal(rc, SSH_OK);
/* Test using SHA512 */
rc = test_sign_verify_data(key, SSH_DIGEST_SHA512, INPUT, sizeof(INPUT));
assert_int_equal(rc, SSH_OK);
/* Cleanup */
SSH_KEY_FREE(key);
}
static void torture_pki_fail_sign_with_incompatible_hash(void **state)
{
int rc;
ssh_key key = NULL;
ssh_key pubkey = NULL;
ssh_signature sig, bad_sig;
(void) state;
/* Setup */
rc = ssh_pki_generate(SSH_KEYTYPE_RSA, 2048, &key);
assert_int_equal(rc, SSH_OK);
assert_non_null(key);
/* Get the public key to verify signature */
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
/* Sign the buffer */
sig = pki_sign_data(key, SSH_DIGEST_SHA256, INPUT, sizeof(INPUT));
assert_non_null(sig);
/* Verify signature */
rc = pki_verify_data_signature(sig, pubkey, INPUT, sizeof(INPUT));
assert_int_equal(rc, SSH_OK);
/* Test if signature fails with SSH_DIGEST_AUTO */
bad_sig = pki_sign_data(key, SSH_DIGEST_AUTO, INPUT, sizeof(INPUT));
assert_null(bad_sig);
/* Test if verification fails with SSH_DIGEST_AUTO */
sig->hash_type = SSH_DIGEST_AUTO;
rc = pki_verify_data_signature(sig, pubkey, INPUT, sizeof(INPUT));
assert_int_not_equal(rc, SSH_OK);
/* Cleanup */
ssh_signature_free(sig);
SSH_KEY_FREE(pubkey);
SSH_KEY_FREE(key);
}
#ifdef HAVE_LIBCRYPTO
static void torture_pki_rsa_write_privkey(void **state)
{
ssh_key origkey = NULL;
ssh_key privkey = NULL;
int rc;
(void) state; /* unused */
rc = ssh_pki_import_privkey_file(LIBSSH_RSA_TESTKEY,
NULL,
NULL,
NULL,
&origkey);
assert_true(rc == 0);
assert_non_null(origkey);
unlink(LIBSSH_RSA_TESTKEY);
rc = ssh_pki_export_privkey_file(origkey,
NULL,
NULL,
NULL,
LIBSSH_RSA_TESTKEY);
assert_true(rc == 0);
rc = ssh_pki_import_privkey_file(LIBSSH_RSA_TESTKEY,
NULL,
NULL,
NULL,
&privkey);
assert_true(rc == 0);
assert_non_null(privkey);
rc = ssh_key_cmp(origkey, privkey, SSH_KEY_CMP_PRIVATE);
assert_true(rc == 0);
SSH_KEY_FREE(origkey);
SSH_KEY_FREE(privkey);
/* Test with passphrase */
rc = ssh_pki_import_privkey_file(LIBSSH_RSA_TESTKEY_PASSPHRASE,
torture_get_testkey_passphrase(),
NULL,
NULL,
&origkey);
assert_true(rc == 0);
assert_non_null(origkey);
unlink(LIBSSH_RSA_TESTKEY_PASSPHRASE);
rc = ssh_pki_export_privkey_file(origkey,
torture_get_testkey_passphrase(),
NULL,
NULL,
LIBSSH_RSA_TESTKEY_PASSPHRASE);
assert_true(rc == 0);
/* Test with invalid passphrase */
rc = ssh_pki_import_privkey_file(LIBSSH_RSA_TESTKEY_PASSPHRASE,
"invalid secret",
NULL,
NULL,
&privkey);
assert_true(rc == SSH_ERROR);
assert_null(privkey);
rc = ssh_pki_import_privkey_file(LIBSSH_RSA_TESTKEY_PASSPHRASE,
torture_get_testkey_passphrase(),
NULL,
NULL,
&privkey);
assert_true(rc == 0);
assert_non_null(privkey);
rc = ssh_key_cmp(origkey, privkey, SSH_KEY_CMP_PRIVATE);
assert_true(rc == 0);
SSH_KEY_FREE(origkey);
SSH_KEY_FREE(privkey);
}
#endif /* HAVE_LIBCRYPTO */
static void torture_pki_rsa_import_privkey_base64_passphrase(void **state)
{
int rc;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
(void) state; /* unused */
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 1),
passphrase,
NULL,
NULL,
&key);
assert_return_code(rc, errno);
assert_non_null(key);
rc = ssh_key_is_private(key);
assert_true(rc == 1);
SSH_KEY_FREE(key);
/* test if it returns -1 if passphrase is wrong */
rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_RSA, 1),
"wrong passphrase !!",
NULL,
NULL,
&key);
assert_true(rc == -1);
SSH_KEY_FREE(key);
#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, 1),
NULL,
NULL,
NULL,
&key);
assert_true(rc == -1);
SSH_KEY_FREE(key);
#endif
}
static void
torture_pki_rsa_import_openssh_privkey_base64_passphrase(void **state)
{
int rc;
ssh_key key = NULL;
const char *passphrase = torture_get_testkey_passphrase();
const char *keystring = NULL;
(void) state; /* unused */
keystring = torture_get_openssh_testkey(SSH_KEYTYPE_RSA, 1);
assert_non_null(keystring);
rc = ssh_pki_import_privkey_base64(keystring,
passphrase,
NULL,
NULL,
&key);
assert_return_code(rc, errno);
assert_non_null(key);
rc = ssh_key_is_private(key);
assert_true(rc == 1);
SSH_KEY_FREE(key);
/* test if it returns -1 if passphrase is wrong */
rc = ssh_pki_import_privkey_base64(keystring,
"wrong passphrase !!",
NULL,
NULL,
&key);
assert_true(rc == -1);
SSH_KEY_FREE(key);
/* test if it returns -1 if passphrase is NULL */
/* libcrypto asks for a passphrase, so skip this test */
rc = ssh_pki_import_privkey_base64(keystring,
NULL,
NULL,
NULL,
&key);
assert_true(rc == -1);
SSH_KEY_FREE(key);
}
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_pubkey_from_openssh_privkey,
setup_openssh_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_import_privkey_base64_comment,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_import_privkey_base64_whitespace,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_import_privkey_base64,
setup_openssh_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(torture_pki_rsa_import_openssh_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_generate_pubkey_from_privkey,
setup_rsa_key,
teardown),
cmocka_unit_test_setup_teardown(torture_pki_rsa_duplicate_key,
setup_rsa_key,
teardown),
cmocka_unit_test(torture_pki_rsa_generate_key),
cmocka_unit_test(torture_pki_rsa_key_size),
#if defined(HAVE_LIBCRYPTO)
cmocka_unit_test_setup_teardown(torture_pki_rsa_write_privkey,
setup_rsa_key,
teardown),
#endif /* HAVE_LIBCRYPTO */
cmocka_unit_test(torture_pki_sign_data_rsa),
cmocka_unit_test(torture_pki_fail_sign_with_incompatible_hash),
cmocka_unit_test_setup_teardown(torture_pki_rsa_sha2,
setup_rsa_key,
teardown),
};
ssh_init();
torture_filter_tests(tests);
rc = cmocka_run_group_tests(tests, NULL, NULL);
ssh_finalize();
return rc;
}
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