mirror of
https://github.com/qemu/qemu.git
synced 2024-12-09 11:43:38 +08:00
bfab1aede0
It's going to be useful, in particular, in VMBus code massively using uuids aka GUIDs. Signed-off-by: Roman Kagan <rkagan@virtuozzo.com> Message-Id: <20171127124355.26015-1-rkagan@virtuozzo.com> Signed-off-by: Fam Zheng <famz@redhat.com>
185 lines
5.5 KiB
C
185 lines
5.5 KiB
C
/*
|
|
* QEMU UUID Library
|
|
*
|
|
* Copyright (c) 2016 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 "qemu/uuid.h"
|
|
|
|
struct {
|
|
const char *uuidstr;
|
|
QemuUUID uuid;
|
|
bool uuidstr_is_valid;
|
|
bool check_unparse;
|
|
} uuid_test_data[] = {
|
|
{ /* Normal */
|
|
"586ece27-7f09-41e0-9e74-e901317e9d42",
|
|
{ { {
|
|
0x58, 0x6e, 0xce, 0x27, 0x7f, 0x09, 0x41, 0xe0,
|
|
0x9e, 0x74, 0xe9, 0x01, 0x31, 0x7e, 0x9d, 0x42,
|
|
} } },
|
|
true, true,
|
|
}, { /* NULL */
|
|
"00000000-0000-0000-0000-000000000000",
|
|
{ },
|
|
true, true,
|
|
}, { /* Upper case */
|
|
"0CC6C752-3961-4028-A286-C05CC616D396",
|
|
{ { {
|
|
0x0c, 0xc6, 0xc7, 0x52, 0x39, 0x61, 0x40, 0x28,
|
|
0xa2, 0x86, 0xc0, 0x5c, 0xc6, 0x16, 0xd3, 0x96,
|
|
} } },
|
|
true, false,
|
|
}, { /* Mixed case */
|
|
"0CC6C752-3961-4028-a286-c05cc616D396",
|
|
{ { {
|
|
0x0c, 0xc6, 0xc7, 0x52, 0x39, 0x61, 0x40, 0x28,
|
|
0xa2, 0x86, 0xc0, 0x5c, 0xc6, 0x16, 0xd3, 0x96,
|
|
} } },
|
|
true, false,
|
|
}, { /* Empty */
|
|
""
|
|
}, { /* Too short */
|
|
"abc",
|
|
}, { /* Non-hex */
|
|
"abcdefgh-0000-0000-0000-000000000000",
|
|
}, { /* No '-' */
|
|
"0cc6c75239614028a286c05cc616d396",
|
|
}, { /* '-' in wrong position */
|
|
"0cc6c-7523961-4028-a286-c05cc616d396",
|
|
}, { /* Double '-' */
|
|
"0cc6c752--3961-4028-a286-c05cc616d396",
|
|
}, { /* Too long */
|
|
"0000000000000000000000000000000000000000000000",
|
|
}, { /* Invalid char in the beginning */
|
|
")cc6c752-3961-4028-a286-c05cc616d396",
|
|
}, { /* Invalid char in the beginning, in extra */
|
|
")0cc6c752-3961-4028-a286-c05cc616d396",
|
|
}, { /* Invalid char in the middle */
|
|
"0cc6c752-39*1-4028-a286-c05cc616d396",
|
|
}, { /* Invalid char in the middle, in extra */
|
|
"0cc6c752-39*61-4028-a286-c05cc616d396",
|
|
}, { /* Invalid char in the end */
|
|
"0cc6c752-3961-4028-a286-c05cc616d39&",
|
|
}, { /* Invalid char in the end, in extra */
|
|
"0cc6c752-3961-4028-a286-c05cc616d396&",
|
|
}, { /* Short end and trailing space */
|
|
"0cc6c752-3961-4028-a286-c05cc616d39 ",
|
|
}, { /* Leading space and short end */
|
|
" 0cc6c752-3961-4028-a286-c05cc616d39",
|
|
},
|
|
};
|
|
|
|
static inline bool uuid_is_valid(QemuUUID *uuid)
|
|
{
|
|
return qemu_uuid_is_null(uuid) ||
|
|
((uuid->data[6] & 0xf0) == 0x40 && (uuid->data[8] & 0xc0) == 0x80);
|
|
}
|
|
|
|
static void test_uuid_generate(void)
|
|
{
|
|
QemuUUID uuid_not_null = { { {
|
|
0x58, 0x6e, 0xce, 0x27, 0x7f, 0x09, 0x41, 0xe0,
|
|
0x9e, 0x74, 0xe9, 0x01, 0x31, 0x7e, 0x9d, 0x42
|
|
} } };
|
|
QemuUUID uuid;
|
|
int i;
|
|
|
|
for (i = 0; i < 100; ++i) {
|
|
qemu_uuid_generate(&uuid);
|
|
g_assert(uuid_is_valid(&uuid));
|
|
g_assert_false(qemu_uuid_is_null(&uuid));
|
|
g_assert_false(qemu_uuid_is_equal(&uuid_not_null, &uuid));
|
|
}
|
|
}
|
|
|
|
static void test_uuid_is_null(void)
|
|
{
|
|
QemuUUID uuid_null = { };
|
|
QemuUUID uuid_not_null = { { {
|
|
0x58, 0x6e, 0xce, 0x27, 0x7f, 0x09, 0x41, 0xe0,
|
|
0x9e, 0x74, 0xe9, 0x01, 0x31, 0x7e, 0x9d, 0x42
|
|
} } };
|
|
QemuUUID uuid_not_null_2 = { { { 1 } } };
|
|
|
|
g_assert(qemu_uuid_is_null(&uuid_null));
|
|
g_assert_false(qemu_uuid_is_null(&uuid_not_null));
|
|
g_assert_false(qemu_uuid_is_null(&uuid_not_null_2));
|
|
}
|
|
|
|
static void test_uuid_parse(void)
|
|
{
|
|
int i, r;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(uuid_test_data); i++) {
|
|
QemuUUID uuid;
|
|
bool is_valid = uuid_test_data[i].uuidstr_is_valid;
|
|
|
|
r = qemu_uuid_parse(uuid_test_data[i].uuidstr, &uuid);
|
|
g_assert_cmpint(!r, ==, is_valid);
|
|
if (is_valid) {
|
|
g_assert_cmpint(is_valid, ==, uuid_is_valid(&uuid));
|
|
g_assert_cmpmem(&uuid_test_data[i].uuid, sizeof(uuid),
|
|
&uuid, sizeof(uuid));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void test_uuid_unparse(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(uuid_test_data); i++) {
|
|
char out[37];
|
|
|
|
if (!uuid_test_data[i].check_unparse) {
|
|
continue;
|
|
}
|
|
qemu_uuid_unparse(&uuid_test_data[i].uuid, out);
|
|
g_assert_cmpstr(uuid_test_data[i].uuidstr, ==, out);
|
|
}
|
|
}
|
|
|
|
static void test_uuid_unparse_strdup(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(uuid_test_data); i++) {
|
|
char *out;
|
|
|
|
if (!uuid_test_data[i].check_unparse) {
|
|
continue;
|
|
}
|
|
out = qemu_uuid_unparse_strdup(&uuid_test_data[i].uuid);
|
|
g_assert_cmpstr(uuid_test_data[i].uuidstr, ==, out);
|
|
g_free(out);
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
g_test_init(&argc, &argv, NULL);
|
|
g_test_add_func("/uuid/is_null", test_uuid_is_null);
|
|
g_test_add_func("/uuid/generate", test_uuid_generate);
|
|
g_test_add_func("/uuid/parse", test_uuid_parse);
|
|
g_test_add_func("/uuid/unparse", test_uuid_unparse);
|
|
g_test_add_func("/uuid/unparse_strdup", test_uuid_unparse_strdup);
|
|
|
|
return g_test_run();
|
|
}
|