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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/* ! \file */
#include <config.h>
#include <atf-c.h>
#include <stdio.h>
#include <string.h>
#include <isc/safe.h>
#include <isc/util.h>
ATF_TC(isc_safe_memequal);
ATF_TC_HEAD(isc_safe_memequal, tc) {
atf_tc_set_md_var(tc, "descr", "safe memequal()");
}
ATF_TC_BODY(isc_safe_memequal, tc) {
UNUSED(tc);
ATF_CHECK(isc_safe_memequal("test", "test", 4));
ATF_CHECK(!isc_safe_memequal("test", "tesc", 4));
ATF_CHECK(isc_safe_memequal("\x00\x00\x00\x00",
"\x00\x00\x00\x00", 4));
ATF_CHECK(!isc_safe_memequal("\x00\x00\x00\x00",
"\x00\x00\x00\x01", 4));
ATF_CHECK(!isc_safe_memequal("\x00\x00\x00\x02",
"\x00\x00\x00\x00", 4));
}
ATF_TC(isc_safe_memcompare);
ATF_TC_HEAD(isc_safe_memcompare, tc) {
atf_tc_set_md_var(tc, "descr", "safe memcompare()");
}
ATF_TC_BODY(isc_safe_memcompare, tc) {
UNUSED(tc);
ATF_CHECK(isc_safe_memcompare("test", "test", 4) == 0);
ATF_CHECK(isc_safe_memcompare("test", "tesc", 4) > 0);
ATF_CHECK(isc_safe_memcompare("test", "tesy", 4) < 0);
ATF_CHECK(isc_safe_memcompare("\x00\x00\x00\x00",
"\x00\x00\x00\x00", 4) == 0);
ATF_CHECK(isc_safe_memcompare("\x00\x00\x00\x00",
"\x00\x00\x00\x01", 4) < 0);
ATF_CHECK(isc_safe_memcompare("\x00\x00\x00\x02",
"\x00\x00\x00\x00", 4) > 0);
}
ATF_TC(isc_safe_memwipe);
ATF_TC_HEAD(isc_safe_memwipe, tc) {
atf_tc_set_md_var(tc, "descr", "isc_safe_memwipe()");
}
ATF_TC_BODY(isc_safe_memwipe, tc) {
UNUSED(tc);
/* These should pass. */
isc_safe_memwipe(NULL, 0);
isc_safe_memwipe((void *) -1, 0);
isc_safe_memwipe(NULL, 42);
/*
* isc_safe_memwipe(ptr, size) should function same as
* memset(ptr, 0, size);
*/
{
char buf1[4] = { 1, 2, 3, 4 };
char buf2[4] = { 1, 2, 3, 4 };
isc_safe_memwipe(buf1, sizeof(buf1));
memset(buf2, 0, sizeof(buf2));
ATF_CHECK(memcmp(buf1, buf2, sizeof(buf1)) == 0);
}
/*
* Boundary test.
*/
{
char buf1[4] = { 1, 2, 3, 4 };
char buf2[4] = { 1, 2, 3, 4 };
/*
* We wipe 3 elements on purpose, keeping the 4th in
* place.
*/
isc_safe_memwipe(buf1, 3);
memset(buf2, 0, 3);
ATF_CHECK(memcmp(buf1, buf2, sizeof(buf1)) == 0);
}
}
/*
* Main
*/
ATF_TP_ADD_TCS(tp) {
ATF_TP_ADD_TC(tp, isc_safe_memequal);
ATF_TP_ADD_TC(tp, isc_safe_memcompare);
ATF_TP_ADD_TC(tp, isc_safe_memwipe);
return (atf_no_error());
}
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