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/*
* Unit tests for GMSA NDR structures.
*
* Copyright (C) Catalyst.NET Ltd 2023
*
* This program 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.
*
* This program 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 General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <stdint.h>
#include "cmocka.h"
#include "lib/replace/replace.h"
#include "lib/util/attr.h"
#include "lib/util/bytearray.h"
#include "librpc/gen_ndr/ndr_gmsa.h"
#include "librpc/gen_ndr/gmsa.h"
static void assert_utf16_equal(const unsigned char *s1, const unsigned char *s2)
{
uint16_t c1;
uint16_t c2;
size_t n = 0;
assert_non_null(s1);
assert_non_null(s2);
do {
c1 = PULL_LE_U16(s1, n);
c2 = PULL_LE_U16(s2, n);
assert_int_equal(c1, c2);
n += 2;
} while (c1);
}
static void test_managed_password_blob(void **state)
{
TALLOC_CTX *mem_ctx = NULL;
enum ndr_err_code err;
struct MANAGEDPASSWORD_BLOB managed_password = {};
/* A sample blob produced by Windows. */
uint8_t data[] = {
1, 0, 0, 0, 34, 1, 0, 0, 16, 0, 0, 0, 18,
1, 26, 1, 141, 65, 237, 151, 152, 15, 173, 200, 51, 62,
252, 30, 45, 180, 254, 9, 148, 134, 82, 118, 93, 131, 207,
203, 229, 43, 238, 154, 85, 94, 21, 146, 124, 43, 133, 75,
168, 15, 221, 241, 54, 38, 127, 134, 4, 232, 180, 54, 112,
224, 35, 18, 178, 140, 241, 53, 177, 75, 47, 178, 148, 17,
178, 163, 78, 51, 82, 15, 197, 117, 2, 57, 115, 243, 251,
146, 75, 249, 21, 55, 226, 125, 85, 112, 156, 85, 42, 39,
131, 17, 41, 198, 233, 163, 44, 171, 134, 145, 93, 134, 90,
95, 244, 70, 252, 137, 76, 200, 15, 20, 5, 86, 125, 235,
2, 3, 161, 249, 4, 26, 245, 205, 138, 17, 249, 33, 139,
150, 129, 142, 35, 23, 123, 190, 217, 88, 83, 128, 187, 24,
3, 69, 250, 56, 137, 86, 158, 197, 158, 122, 138, 101, 20,
252, 105, 105, 118, 28, 235, 24, 220, 251, 58, 44, 52, 231,
66, 74, 250, 215, 207, 96, 217, 57, 153, 25, 11, 5, 10,
81, 198, 198, 242, 245, 83, 91, 122, 175, 74, 30, 254, 26,
218, 113, 193, 249, 189, 95, 125, 151, 249, 235, 132, 66, 69,
170, 235, 143, 107, 155, 26, 34, 160, 27, 166, 79, 32, 104,
246, 100, 58, 76, 146, 102, 241, 105, 8, 151, 163, 20, 26,
232, 33, 138, 159, 184, 129, 187, 30, 123, 181, 17, 149, 84,
183, 248, 210, 254, 46, 98, 225, 12, 49, 196, 192, 149, 0,
0, 169, 191, 68, 132, 110, 23, 0, 0, 169, 97, 116, 209,
109, 23, 0, 0,
};
const DATA_BLOB blob = {data, sizeof data};
/* The UTF‐16 password contained in the blob. */
const unsigned char current_password[] = {
141, 65, 237, 151, 152, 15, 173, 200, 51, 62, 252, 30, 45,
180, 254, 9, 148, 134, 82, 118, 93, 131, 207, 203, 229, 43,
238, 154, 85, 94, 21, 146, 124, 43, 133, 75, 168, 15, 221,
241, 54, 38, 127, 134, 4, 232, 180, 54, 112, 224, 35, 18,
178, 140, 241, 53, 177, 75, 47, 178, 148, 17, 178, 163, 78,
51, 82, 15, 197, 117, 2, 57, 115, 243, 251, 146, 75, 249,
21, 55, 226, 125, 85, 112, 156, 85, 42, 39, 131, 17, 41,
198, 233, 163, 44, 171, 134, 145, 93, 134, 90, 95, 244, 70,
252, 137, 76, 200, 15, 20, 5, 86, 125, 235, 2, 3, 161,
249, 4, 26, 245, 205, 138, 17, 249, 33, 139, 150, 129, 142,
35, 23, 123, 190, 217, 88, 83, 128, 187, 24, 3, 69, 250,
56, 137, 86, 158, 197, 158, 122, 138, 101, 20, 252, 105, 105,
118, 28, 235, 24, 220, 251, 58, 44, 52, 231, 66, 74, 250,
215, 207, 96, 217, 57, 153, 25, 11, 5, 10, 81, 198, 198,
242, 245, 83, 91, 122, 175, 74, 30, 254, 26, 218, 113, 193,
249, 189, 95, 125, 151, 249, 235, 132, 66, 69, 170, 235, 143,
107, 155, 26, 34, 160, 27, 166, 79, 32, 104, 246, 100, 58,
76, 146, 102, 241, 105, 8, 151, 163, 20, 26, 232, 33, 138,
159, 184, 129, 187, 30, 123, 181, 17, 149, 84, 183, 248, 210,
254, 46, 98, 225, 12, 49, 196, 192, 149, 0, 0};
DATA_BLOB packed_blob = data_blob_null;
mem_ctx = talloc_new(NULL);
assert_non_null(mem_ctx);
/* Pull the Managed Password structure. */
err = ndr_pull_struct_blob(&blob,
mem_ctx,
&managed_password,
(ndr_pull_flags_fn_t)
ndr_pull_MANAGEDPASSWORD_BLOB);
assert_int_equal(NDR_ERR_SUCCESS, err);
/* Check the header. */
assert_int_equal(1, managed_password.version);
assert_int_equal(0, managed_password.reserved);
assert_int_equal(sizeof data, managed_password.length);
/* Check the password fields. */
assert_utf16_equal(managed_password.passwords.current,
current_password);
assert_null(managed_password.passwords.previous);
/* Check the password query intervals.*/
assert_int_equal(0x176e8444bfa9,
*managed_password.passwords.query_interval);
assert_int_equal(0x176dd17461a9,
*managed_password.passwords.unchanged_interval);
/* Repack the Managed Password structure. */
managed_password.length = 0;
err = ndr_push_struct_blob(&packed_blob,
mem_ctx,
&managed_password,
(ndr_push_flags_fn_t)
ndr_push_MANAGEDPASSWORD_BLOB);
assert_int_equal(NDR_ERR_SUCCESS, err);
/*
* Check that the result is identical to the blob produced by Windows.
*/
assert_int_equal(blob.length, packed_blob.length);
assert_memory_equal(blob.data, packed_blob.data, blob.length);
talloc_free(mem_ctx);
}
int main(void)
{
const struct CMUnitTest tests[] = {
cmocka_unit_test(test_managed_password_blob),
};
if (!isatty(1)) {
cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
}
return cmocka_run_group_tests(tests, NULL, NULL);
}
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