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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2020 Oxide Computer Company
*/
/*
* Describe the purpose of this file.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <err.h>
#include <sys/sensors.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <sys/sysmacros.h>
static const char *error_sensor = "/dev/sensors/test/test.eio.0";
static int error_exit;
static void
error_kind(int fd, int exp)
{
sensor_ioctl_kind_t kind, alt_kind;
arc4random_buf(&alt_kind, sizeof (alt_kind));
(void) memcpy(&kind, &alt_kind, sizeof (alt_kind));
if (ioctl(fd, SENSOR_IOCTL_KIND, &kind) == 0) {
warnx("TEST FAILED: SENSOR_IOCTL_KIND succeeded on EIO "
"sensor");
error_exit = EXIT_FAILURE;
}
if (errno != exp) {
warnx("TEST FAILED: SENSOR_IOCTL_KIND got errno %d, "
"expected %d", errno, exp);
error_exit = EXIT_FAILURE;
}
if (memcmp(&kind, &alt_kind, sizeof (alt_kind)) != 0) {
warnx("TEST FAILED: SENSOR_IOCTL_KIND modified data on error");
error_exit = EXIT_FAILURE;
}
}
static void
error_temp(int fd, int exp)
{
sensor_ioctl_scalar_t scalar, alt_scalar;
arc4random_buf(&alt_scalar, sizeof (alt_scalar));
(void) memcpy(&scalar, &alt_scalar, sizeof (alt_scalar));
if (ioctl(fd, SENSOR_IOCTL_SCALAR, &scalar) == 0) {
warnx("TEST FAILED: SENSIOR_IOCTL_SCALAR suceeded on "
"EIO sensor");
error_exit = EXIT_FAILURE;
}
if (errno != exp) {
warnx("TEST FAILED: SENSIOR_IOCTL_SCALAR got errno %d, "
"expected %d", errno, EIO);
error_exit = EXIT_FAILURE;
}
if (memcmp(&scalar, &alt_scalar, sizeof (alt_scalar)) != 0) {
warnx("TEST FAILED: SENSIOR_IOCTL_SCALAR modified "
"data on error");
error_exit = EXIT_FAILURE;
}
}
int
main(void)
{
int i;
int flags[] = { O_RDWR, O_WRONLY, O_RDONLY | O_NDELAY,
O_RDONLY | O_NONBLOCK };
int fd = open(error_sensor, O_RDONLY);
if (fd < 0) {
err(EXIT_FAILURE, "TEST FAILED: failed to open %s",
error_sensor);
}
error_kind(fd, EIO);
error_temp(fd, EIO);
(void) close(fd);
/*
* Check for illegal open combinations.
*/
for (i = 0; i < ARRAY_SIZE(flags); i++) {
fd = open(error_sensor, flags[i]);
if (fd >= 0) {
printf("i is %d\n", i);
warnx("TEST FAILED: opened a sensor with flags 0x%x, "
"but expected failure", flags[i]);
error_exit = EXIT_FAILURE;
}
}
return (error_exit);
}
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