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/*
* Tests for librpc ndr functions
*
* Copyright (C) Catalyst.NET Ltd 2020
*
* 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/>.
*
*/
/*
* from cmocka.c:
* These headers or their equivalents should be included prior to
* including
* this header file.
*
* #include <stdarg.h>
* #include <stddef.h>
* #include <setjmp.h>
*
* This allows test applications to use custom definitions of C standard
* library functions and types.
*
*/
#include "replace.h"
#include <setjmp.h>
#include <cmocka.h>
#include "librpc/ndr/libndr.h"
/*
* Test NDR_RECURSION_CHECK.
*/
static enum ndr_err_code wrap_NDR_RECURSION_CHECK(
struct ndr_pull *ndr,
uint32_t bytes) {
NDR_RECURSION_CHECK(ndr, bytes);
return NDR_ERR_SUCCESS;
}
static void test_NDR_RECURSION_CHECK(void **state)
{
struct ndr_pull ndr = {0};
enum ndr_err_code err;
ndr.global_max_recursion = 0;
ndr.recursion_depth = 42;
err = wrap_NDR_RECURSION_CHECK(&ndr, 43);
assert_int_equal(NDR_ERR_SUCCESS, err);
assert_int_equal(43, ndr.recursion_depth);
ndr.global_max_recursion = 0;
ndr.recursion_depth = 43;
err = wrap_NDR_RECURSION_CHECK(&ndr, 43);
assert_int_equal(NDR_ERR_MAX_RECURSION_EXCEEDED, err);
assert_int_equal(44, ndr.recursion_depth);
ndr.global_max_recursion = 0;
ndr.recursion_depth = 44;
err = wrap_NDR_RECURSION_CHECK(&ndr, 43);
assert_int_equal(NDR_ERR_MAX_RECURSION_EXCEEDED, err);
assert_int_equal(45, ndr.recursion_depth);
ndr.global_max_recursion = 5;
ndr.recursion_depth = 5;
err = wrap_NDR_RECURSION_CHECK(&ndr, 20);
assert_int_equal(NDR_ERR_MAX_RECURSION_EXCEEDED, err);
assert_int_equal(6, ndr.recursion_depth);
ndr.global_max_recursion = 5;
ndr.recursion_depth = 4;
err = wrap_NDR_RECURSION_CHECK(&ndr, 20);
assert_int_equal(NDR_ERR_SUCCESS, err);
assert_int_equal(5, ndr.recursion_depth);
ndr.global_max_recursion = 20;
ndr.recursion_depth = 5;
err = wrap_NDR_RECURSION_CHECK(&ndr, 5);
assert_int_equal(NDR_ERR_MAX_RECURSION_EXCEEDED, err);
assert_int_equal(6, ndr.recursion_depth);
ndr.global_max_recursion = 20;
ndr.recursion_depth = 4;
err = wrap_NDR_RECURSION_CHECK(&ndr, 5);
assert_int_equal(NDR_ERR_SUCCESS, err);
assert_int_equal(5, ndr.recursion_depth);
}
/*
* Test NDR_RECURSION_RETURN.
*/
static enum ndr_err_code wrap_NDR_RECURSION_UNWIND(
struct ndr_pull *ndr) {
NDR_RECURSION_UNWIND(ndr);
return NDR_ERR_SUCCESS;
}
static void test_NDR_RECURSION_UNWIND(void **state)
{
struct ndr_pull ndr = {0};
enum ndr_err_code err;
ndr.recursion_depth = 5;
err = wrap_NDR_RECURSION_UNWIND(&ndr);
assert_int_equal(NDR_ERR_SUCCESS, err);
assert_int_equal(4, ndr.recursion_depth);
ndr.recursion_depth = 0;
err = wrap_NDR_RECURSION_UNWIND(&ndr);
assert_int_equal(NDR_ERR_UNDERFLOW, err);
assert_int_equal(0, ndr.recursion_depth);
}
int main(int argc, const char **argv)
{
const struct CMUnitTest tests[] = {
cmocka_unit_test(test_NDR_RECURSION_CHECK),
cmocka_unit_test(test_NDR_RECURSION_UNWIND),
};
cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
return cmocka_run_group_tests(tests, NULL, NULL);
}
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