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/*
* Copyright (C) 2018 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/.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#include <atf-c.h>
#include "dhcpd.h"
ATF_TC(option_refcnt);
ATF_TC_HEAD(option_refcnt, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify option reference count does not overflow.");
}
/* This test does a simple check to see if option reference count is
* decremented even an error path exiting parse_option_buffer()
*/
ATF_TC_BODY(option_refcnt, tc)
{
struct option_state *options;
struct option *option;
unsigned code;
int refcnt;
unsigned char buffer[3] = { 15, 255, 0 };
initialize_common_option_spaces();
options = NULL;
if (!option_state_allocate(&options, MDL)) {
atf_tc_fail("can't allocate option state");
}
option = NULL;
code = 15; /* domain-name */
if (!option_code_hash_lookup(&option, dhcp_universe.code_hash,
&code, 0, MDL)) {
atf_tc_fail("can't find option 15");
}
if (option == NULL) {
atf_tc_fail("option is NULL");
}
refcnt = option->refcnt;
buffer[0] = 15;
buffer[1] = 255; /* invalid */
buffer[2] = 0;
if (parse_option_buffer(options, buffer, 3, &dhcp_universe)) {
atf_tc_fail("parse_option_buffer is expected to fail");
}
if (refcnt != option->refcnt) {
atf_tc_fail("refcnt changed from %d to %d", refcnt, option->refcnt);
}
}
/* This macro defines main() method that will call specified
test cases. tp and simple_test_case names can be whatever you want
as long as it is a valid variable identifier. */
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, option_refcnt);
return (atf_no_error());
}
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