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cefa9be9d7
This fixes the build on FreeBSD 12.1 and maybe other systems. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
143 lines
3.2 KiB
C
143 lines
3.2 KiB
C
/*
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* Tests for librpc ndr functions
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*
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* Copyright (C) Catalyst.NET Ltd 2020
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*
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* from cmocka.c:
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* These headers or their equivalents should be included prior to
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* including
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* this header file.
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*
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* #include <stdarg.h>
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* #include <stddef.h>
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* #include <setjmp.h>
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*
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* This allows test applications to use custom definitions of C standard
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* library functions and types.
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*
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*/
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#include "replace.h"
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#include <setjmp.h>
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#include <cmocka.h>
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#include "librpc/ndr/libndr.h"
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/*
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* Test NDR_PULL_NEED_BYTES integer overflow handling.
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*/
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static enum ndr_err_code wrap_NDR_PULL_NEED_BYTES(
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struct ndr_pull *ndr,
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uint32_t bytes) {
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NDR_PULL_NEED_BYTES(ndr, bytes);
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return NDR_ERR_SUCCESS;
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}
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static void test_NDR_PULL_NEED_BYTES(void **state)
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{
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struct ndr_pull ndr = {0};
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enum ndr_err_code err;
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ndr.data_size = UINT32_MAX;
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ndr.offset = UINT32_MAX -1;
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/*
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* This will not cause an overflow
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*/
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err = wrap_NDR_PULL_NEED_BYTES(&ndr, 1);
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assert_int_equal(NDR_ERR_SUCCESS, err);
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/*
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* This will cause an overflow
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* and (offset + n) will be less than data_size
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*/
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err = wrap_NDR_PULL_NEED_BYTES(&ndr, 2);
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assert_int_equal(NDR_ERR_BUFSIZE, err);
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}
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/*
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* Test NDR_PULL_ALIGN integer overflow handling.
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*/
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static enum ndr_err_code wrap_NDR_PULL_ALIGN(
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struct ndr_pull *ndr,
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uint32_t bytes) {
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NDR_PULL_ALIGN(ndr, bytes);
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return NDR_ERR_SUCCESS;
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}
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static void test_NDR_PULL_ALIGN(void **state)
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{
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struct ndr_pull ndr = {0};
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enum ndr_err_code err;
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ndr.data_size = UINT32_MAX;
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ndr.offset = UINT32_MAX -1;
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/*
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* This will not cause an overflow
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*/
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err = wrap_NDR_PULL_ALIGN(&ndr, 2);
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assert_int_equal(NDR_ERR_SUCCESS, err);
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/*
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* This will cause an overflow
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* and (offset + n) will be less than data_size
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*/
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err = wrap_NDR_PULL_ALIGN(&ndr, 4);
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assert_int_equal(NDR_ERR_BUFSIZE, err);
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}
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/*
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* Test ndr_pull_advance integer overflow handling.
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*/
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static void test_ndr_pull_advance(void **state)
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{
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struct ndr_pull ndr = {0};
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enum ndr_err_code err;
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ndr.data_size = UINT32_MAX;
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ndr.offset = UINT32_MAX -1;
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/*
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* This will not cause an overflow
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*/
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err = ndr_pull_advance(&ndr, 1);
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assert_int_equal(NDR_ERR_SUCCESS, err);
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/*
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* This will cause an overflow
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* and (offset + n) will be less than data_size
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*/
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err = ndr_pull_advance(&ndr, 2);
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assert_int_equal(NDR_ERR_BUFSIZE, err);
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}
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int main(int argc, const char **argv)
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{
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const struct CMUnitTest tests[] = {
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cmocka_unit_test(test_NDR_PULL_NEED_BYTES),
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cmocka_unit_test(test_NDR_PULL_ALIGN),
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cmocka_unit_test(test_ndr_pull_advance),
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};
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cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
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return cmocka_run_group_tests(tests, NULL, NULL);
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}
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