freebsd-skq/tests/sys/audit/ioctl.c
asomers 543698f955 audit(4): add tests for ioctl(2)
Submitted by:	aniketp
MFC after:	2 weeks
Sponsored by:	Google, Inc. (GSoC 2018)
Differential Revision:	https://reviews.freebsd.org/D15872
2018-06-19 01:32:33 +00:00

104 lines
2.9 KiB
C

/*-
* Copyright (c) 2018 Aniket Pandey
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/ioctl.h>
#include <bsm/libbsm.h>
#include <security/audit/audit_ioctl.h>
#include <atf-c.h>
#include <fcntl.h>
#include <unistd.h>
#include "utils.h"
static int filedesc;
static char ioregex[80];
static const char *auclass = "io";
static struct pollfd fds[1];
static unsigned long request = AUDITPIPE_FLUSH;
ATF_TC_WITH_CLEANUP(ioctl_success);
ATF_TC_HEAD(ioctl_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"ioctl(2) call");
}
ATF_TC_BODY(ioctl_success, tc)
{
/* auditpipe(4) supports quite a few ioctls */
ATF_REQUIRE((filedesc = open("/dev/auditpipe", O_RDONLY)) != -1);
/* Prepare the regex to be checked in the audit record */
snprintf(ioregex, sizeof(ioregex),
"ioctl.*%#lx.*%#x.*return,success", request, filedesc);
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE(ioctl(filedesc, request) != -1);
check_audit(fds, ioregex, pipefd);
close(filedesc);
}
ATF_TC_CLEANUP(ioctl_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(ioctl_failure);
ATF_TC_HEAD(ioctl_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"ioctl(2) call");
}
ATF_TC_BODY(ioctl_failure, tc)
{
snprintf(ioregex, sizeof(ioregex),
"ioctl.*%#lx.*return,failure : Bad file descriptor", request);
FILE *pipefd = setup(fds, auclass);
/* Failure reason: Invalid file descriptor */
ATF_REQUIRE_EQ(-1, ioctl(-1, request));
check_audit(fds, ioregex, pipefd);
}
ATF_TC_CLEANUP(ioctl_failure, tc)
{
cleanup();
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, ioctl_success);
ATF_TP_ADD_TC(tp, ioctl_failure);
return (atf_no_error());
}