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xemu/tests/test-crypto-secret.c
Alexey Krasikov 9250036221 test-crypto-secret: add 'secret_keyring' object tests. 
Add tests:
  test_secret_keyring_good;
  test_secret_keyring_revoked_key;
  test_secret_keyring_expired_key;
  test_secret_keyring_bad_serial_key;
  test_secret_keyring_bad_key_access_right;

Added tests require libkeyutils. The absence of this library is not
critical, because these tests will be skipped in this case.

Signed-off-by: Alexey Krasikov <alex-krasikov@yandex-team.ru>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2020-06-15 11:33:51 +01:00

615 lines
16 KiB
C
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/*
* QEMU Crypto secret handling
*
* Copyright (c) 2015 Red Hat, Inc.
*
* This 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 of the License, or (at your option) any later version.
*
* This 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 this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "crypto/init.h"
#include "crypto/secret.h"
#include "qapi/error.h"
#include "qemu/module.h"
#ifdef CONFIG_TEST_SECRET_KEYRING
#include "crypto/secret_keyring.h"
#include <keyutils.h>
#endif
static void test_secret_direct(void)
{
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
&error_abort,
"data", "123456",
NULL);
char *pw = qcrypto_secret_lookup_as_utf8("sec0",
&error_abort);
g_assert_cmpstr(pw, ==, "123456");
object_unparent(sec);
g_free(pw);
}
static void test_secret_indirect_good(void)
{
Object *sec;
char *fname = NULL;
int fd = g_file_open_tmp("qemu-test-crypto-secret-XXXXXX",
&fname,
NULL);
g_assert(fd >= 0);
g_assert_nonnull(fname);
g_assert(write(fd, "123456", 6) == 6);
sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
&error_abort,
"file", fname,
NULL);
char *pw = qcrypto_secret_lookup_as_utf8("sec0",
&error_abort);
g_assert_cmpstr(pw, ==, "123456");
object_unparent(sec);
g_free(pw);
close(fd);
unlink(fname);
g_free(fname);
}
static void test_secret_indirect_badfile(void)
{
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
NULL,
"file", "does-not-exist",
NULL);
g_assert(sec == NULL);
}
static void test_secret_indirect_emptyfile(void)
{
Object *sec;
char *fname = NULL;
int fd = g_file_open_tmp("qemu-test-crypto-secretXXXXXX",
&fname,
NULL);
g_assert(fd >= 0);
g_assert_nonnull(fname);
sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
&error_abort,
"file", fname,
NULL);
char *pw = qcrypto_secret_lookup_as_utf8("sec0",
&error_abort);
g_assert_cmpstr(pw, ==, "");
object_unparent(sec);
g_free(pw);
close(fd);
unlink(fname);
g_free(fname);
}
#ifdef CONFIG_TEST_SECRET_KEYRING
#define DESCRIPTION "qemu_test_secret"
#define PAYLOAD "Test Payload"
static void test_secret_keyring_good(void)
{
char key_str[16];
Object *sec;
int32_t key = add_key("user", DESCRIPTION, PAYLOAD,
strlen(PAYLOAD), KEY_SPEC_PROCESS_KEYRING);
g_assert(key >= 0);
snprintf(key_str, sizeof(key_str), "0x%08x", key);
sec = object_new_with_props(
TYPE_QCRYPTO_SECRET_KEYRING,
object_get_objects_root(),
"sec0",
&error_abort,
"serial", key_str,
NULL);
assert(0 <= keyctl_unlink(key, KEY_SPEC_PROCESS_KEYRING));
char *pw = qcrypto_secret_lookup_as_utf8("sec0",
&error_abort);
g_assert_cmpstr(pw, ==, PAYLOAD);
object_unparent(sec);
g_free(pw);
}
static void test_secret_keyring_revoked_key(void)
{
char key_str[16];
Object *sec;
int32_t key = add_key("user", DESCRIPTION, PAYLOAD,
strlen(PAYLOAD), KEY_SPEC_PROCESS_KEYRING);
g_assert(key >= 0);
g_assert_false(keyctl_revoke(key));
snprintf(key_str, sizeof(key_str), "0x%08x", key);
sec = object_new_with_props(
TYPE_QCRYPTO_SECRET_KEYRING,
object_get_objects_root(),
"sec0",
NULL,
"serial", key_str,
NULL);
g_assert(errno == EKEYREVOKED);
g_assert(sec == NULL);
keyctl_unlink(key, KEY_SPEC_PROCESS_KEYRING);
}
static void test_secret_keyring_expired_key(void)
{
char key_str[16];
Object *sec;
int32_t key = add_key("user", DESCRIPTION, PAYLOAD,
strlen(PAYLOAD), KEY_SPEC_PROCESS_KEYRING);
g_assert(key >= 0);
g_assert_false(keyctl_set_timeout(key, 1));
sleep(1);
snprintf(key_str, sizeof(key_str), "0x%08x", key);
sec = object_new_with_props(
TYPE_QCRYPTO_SECRET_KEYRING,
object_get_objects_root(),
"sec0",
NULL,
"serial", key_str,
NULL);
g_assert(errno == EKEYEXPIRED);
g_assert(sec == NULL);
keyctl_unlink(key, KEY_SPEC_PROCESS_KEYRING);
}
static void test_secret_keyring_bad_serial_key(void)
{
Object *sec;
sec = object_new_with_props(
TYPE_QCRYPTO_SECRET_KEYRING,
object_get_objects_root(),
"sec0",
NULL,
"serial", "1",
NULL);
g_assert(errno == ENOKEY);
g_assert(sec == NULL);
}
/*
* TODO
* test_secret_keyring_bad_key_access_right() is not working yet.
* We don't know yet if this due a bug in the Linux kernel or
* whether it's normal syscall behavior.
* We've requested information from kernel maintainers.
* See: <https://www.spinics.net/lists/keyrings/index.html>
* Thread: 'security/keys: remove possessor verify after key permission check'
*/
static void test_secret_keyring_bad_key_access_right(void)
{
char key_str[16];
Object *sec;
g_test_skip("TODO: Need responce from Linux kernel maintainers");
return;
int32_t key = add_key("user", DESCRIPTION, PAYLOAD,
strlen(PAYLOAD), KEY_SPEC_PROCESS_KEYRING);
g_assert(key >= 0);
g_assert_false(keyctl_setperm(key, KEY_POS_ALL & (~KEY_POS_READ)));
snprintf(key_str, sizeof(key_str), "0x%08x", key);
sec = object_new_with_props(
TYPE_QCRYPTO_SECRET_KEYRING,
object_get_objects_root(),
"sec0",
NULL,
"serial", key_str,
NULL);
g_assert(errno == EACCES);
g_assert(sec == NULL);
keyctl_unlink(key, KEY_SPEC_PROCESS_KEYRING);
}
#endif /* CONFIG_TEST_SECRET_KEYRING */
static void test_secret_noconv_base64_good(void)
{
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
&error_abort,
"data", "MTIzNDU2",
"format", "base64",
NULL);
char *pw = qcrypto_secret_lookup_as_base64("sec0",
&error_abort);
g_assert_cmpstr(pw, ==, "MTIzNDU2");
object_unparent(sec);
g_free(pw);
}
static void test_secret_noconv_base64_bad(void)
{
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
NULL,
"data", "MTI$NDU2",
"format", "base64",
NULL);
g_assert(sec == NULL);
}
static void test_secret_noconv_utf8(void)
{
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
&error_abort,
"data", "123456",
"format", "raw",
NULL);
char *pw = qcrypto_secret_lookup_as_utf8("sec0",
&error_abort);
g_assert_cmpstr(pw, ==, "123456");
object_unparent(sec);
g_free(pw);
}
static void test_secret_conv_base64_utf8valid(void)
{
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
&error_abort,
"data", "MTIzNDU2",
"format", "base64",
NULL);
char *pw = qcrypto_secret_lookup_as_utf8("sec0",
&error_abort);
g_assert_cmpstr(pw, ==, "123456");
object_unparent(sec);
g_free(pw);
}
static void test_secret_conv_base64_utf8invalid(void)
{
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
&error_abort,
"data", "f0VMRgIBAQAAAA==",
"format", "base64",
NULL);
char *pw = qcrypto_secret_lookup_as_utf8("sec0",
NULL);
g_assert(pw == NULL);
object_unparent(sec);
}
static void test_secret_conv_utf8_base64(void)
{
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
&error_abort,
"data", "123456",
NULL);
char *pw = qcrypto_secret_lookup_as_base64("sec0",
&error_abort);
g_assert_cmpstr(pw, ==, "MTIzNDU2");
object_unparent(sec);
g_free(pw);
}
static void test_secret_crypt_raw(void)
{
Object *master = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"master",
&error_abort,
"data", "9miloPQCzGy+TL6aonfzVcptibCmCIhKzrnlfwiWivk=",
"format", "base64",
NULL);
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
&error_abort,
"data",
"\xCC\xBF\xF7\x09\x46\x19\x0B\x52\x2A\x3A\xB4\x6B\xCD\x7A\xB0\xB0",
"format", "raw",
"keyid", "master",
"iv", "0I7Gw/TKuA+Old2W2apQ3g==",
NULL);
char *pw = qcrypto_secret_lookup_as_utf8("sec0",
&error_abort);
g_assert_cmpstr(pw, ==, "123456");
object_unparent(sec);
object_unparent(master);
g_free(pw);
}
static void test_secret_crypt_base64(void)
{
Object *master = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"master",
&error_abort,
"data", "9miloPQCzGy+TL6aonfzVcptibCmCIhKzrnlfwiWivk=",
"format", "base64",
NULL);
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
&error_abort,
"data", "zL/3CUYZC1IqOrRrzXqwsA==",
"format", "base64",
"keyid", "master",
"iv", "0I7Gw/TKuA+Old2W2apQ3g==",
NULL);
char *pw = qcrypto_secret_lookup_as_utf8("sec0",
&error_abort);
g_assert_cmpstr(pw, ==, "123456");
object_unparent(sec);
object_unparent(master);
g_free(pw);
}
static void test_secret_crypt_short_key(void)
{
Object *master = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"master",
&error_abort,
"data", "9miloPQCzGy+TL6aonfzVc",
"format", "base64",
NULL);
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
NULL,
"data", "zL/3CUYZC1IqOrRrzXqwsA==",
"format", "raw",
"keyid", "master",
"iv", "0I7Gw/TKuA+Old2W2apQ3g==",
NULL);
g_assert(sec == NULL);
object_unparent(master);
}
static void test_secret_crypt_short_iv(void)
{
Object *master = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"master",
&error_abort,
"data", "9miloPQCzGy+TL6aonfzVcptibCmCIhKzrnlfwiWivk=",
"format", "base64",
NULL);
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
NULL,
"data", "zL/3CUYZC1IqOrRrzXqwsA==",
"format", "raw",
"keyid", "master",
"iv", "0I7Gw/TKuA+Old2W2a",
NULL);
g_assert(sec == NULL);
object_unparent(master);
}
static void test_secret_crypt_missing_iv(void)
{
Object *master = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"master",
&error_abort,
"data", "9miloPQCzGy+TL6aonfzVcptibCmCIhKzrnlfwiWivk=",
"format", "base64",
NULL);
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
NULL,
"data", "zL/3CUYZC1IqOrRrzXqwsA==",
"format", "raw",
"keyid", "master",
NULL);
g_assert(sec == NULL);
object_unparent(master);
}
static void test_secret_crypt_bad_iv(void)
{
Object *master = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"master",
&error_abort,
"data", "9miloPQCzGy+TL6aonfzVcptibCmCIhKzrnlfwiWivk=",
"format", "base64",
NULL);
Object *sec = object_new_with_props(
TYPE_QCRYPTO_SECRET,
object_get_objects_root(),
"sec0",
NULL,
"data", "zL/3CUYZC1IqOrRrzXqwsA==",
"format", "raw",
"keyid", "master",
"iv", "0I7Gw/TK$$uA+Old2W2a",
NULL);
g_assert(sec == NULL);
object_unparent(master);
}
int main(int argc, char **argv)
{
module_call_init(MODULE_INIT_QOM);
g_test_init(&argc, &argv, NULL);
g_assert(qcrypto_init(NULL) == 0);
g_test_add_func("/crypto/secret/direct",
test_secret_direct);
g_test_add_func("/crypto/secret/indirect/good",
test_secret_indirect_good);
g_test_add_func("/crypto/secret/indirect/badfile",
test_secret_indirect_badfile);
g_test_add_func("/crypto/secret/indirect/emptyfile",
test_secret_indirect_emptyfile);
#ifdef CONFIG_TEST_SECRET_KEYRING
g_test_add_func("/crypto/secret/keyring/good",
test_secret_keyring_good);
g_test_add_func("/crypto/secret/keyring/revoked_key",
test_secret_keyring_revoked_key);
g_test_add_func("/crypto/secret/keyring/expired_key",
test_secret_keyring_expired_key);
g_test_add_func("/crypto/secret/keyring/bad_serial_key",
test_secret_keyring_bad_serial_key);
g_test_add_func("/crypto/secret/keyring/bad_key_access_right",
test_secret_keyring_bad_key_access_right);
#endif /* CONFIG_TEST_SECRET_KEYRING */
g_test_add_func("/crypto/secret/noconv/base64/good",
test_secret_noconv_base64_good);
g_test_add_func("/crypto/secret/noconv/base64/bad",
test_secret_noconv_base64_bad);
g_test_add_func("/crypto/secret/noconv/utf8",
test_secret_noconv_utf8);
g_test_add_func("/crypto/secret/conv/base64/utf8valid",
test_secret_conv_base64_utf8valid);
g_test_add_func("/crypto/secret/conv/base64/utf8invalid",
test_secret_conv_base64_utf8invalid);
g_test_add_func("/crypto/secret/conv/utf8/base64",
test_secret_conv_utf8_base64);
g_test_add_func("/crypto/secret/crypt/raw",
test_secret_crypt_raw);
g_test_add_func("/crypto/secret/crypt/base64",
test_secret_crypt_base64);
g_test_add_func("/crypto/secret/crypt/shortkey",
test_secret_crypt_short_key);
g_test_add_func("/crypto/secret/crypt/shortiv",
test_secret_crypt_short_iv);
g_test_add_func("/crypto/secret/crypt/missingiv",
test_secret_crypt_missing_iv);
g_test_add_func("/crypto/secret/crypt/badiv",
test_secret_crypt_bad_iv);
return g_test_run();
}
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