mirror of
https://gitlab.isc.org/isc-projects/dhcp
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80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
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/*
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* Copyright (C) 2018 Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <config.h>
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#include <atf-c.h>
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#include "dhcpd.h"
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ATF_TC(option_refcnt);
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ATF_TC_HEAD(option_refcnt, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"Verify option reference count does not overflow.");
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}
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/* This test does a simple check to see if option reference count is
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* decremented even an error path exiting parse_option_buffer()
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*/
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ATF_TC_BODY(option_refcnt, tc)
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{
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struct option_state *options;
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struct option *option;
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unsigned code;
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int refcnt;
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unsigned char buffer[3] = { 15, 255, 0 };
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initialize_common_option_spaces();
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options = NULL;
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if (!option_state_allocate(&options, MDL)) {
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atf_tc_fail("can't allocate option state");
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}
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option = NULL;
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code = 15; /* domain-name */
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if (!option_code_hash_lookup(&option, dhcp_universe.code_hash,
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&code, 0, MDL)) {
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atf_tc_fail("can't find option 15");
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}
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if (option == NULL) {
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atf_tc_fail("option is NULL");
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}
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refcnt = option->refcnt;
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buffer[0] = 15;
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buffer[1] = 255; /* invalid */
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buffer[2] = 0;
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if (parse_option_buffer(options, buffer, 3, &dhcp_universe)) {
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atf_tc_fail("parse_option_buffer is expected to fail");
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}
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if (refcnt != option->refcnt) {
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atf_tc_fail("refcnt changed from %d to %d", refcnt, option->refcnt);
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}
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}
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/* This macro defines main() method that will call specified
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test cases. tp and simple_test_case names can be whatever you want
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as long as it is a valid variable identifier. */
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, option_refcnt);
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return (atf_no_error());
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}
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