freebsd-dev/usr.sbin/mptutil/mpt_volume.c
Alan Somers d68b76a9de Fix numerous Coverity issues in mptutil
Most are memory or file descriptor leaks. Three were unannotated
fallthroughs in a switch/case statement. One was an integer overflow before
widen.

Reported by:	Coverity
CID:		1007463 1007462 1007461 1007460 1007459 1007458 1007457
CID:		1006855 1006854 1006853 1006852 1006851 1006850 1006849
CID:		1006848 1006845 1006844 1006843 1006842 1006841 1006840
CID:		1006839 1006838 1006837 1006836 1006835 1006834 1006833
CID:		1006832 1006831 1006831 1006830 1006829 1008334 1008170
CID:		1008169 1008168
MFC after:	3 weeks
Sponsored by:	Spectra Logic Corp
Differential Revision:	https://reviews.freebsd.org/D11013
2018-02-23 00:17:50 +00:00

272 lines
7.1 KiB
C

/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2008 Yahoo!, Inc.
* All rights reserved.
* Written by: John Baldwin <jhb@FreeBSD.org>
*
* 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.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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
* 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
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$FreeBSD$");
#include <sys/param.h>
#include <sys/errno.h>
#include <err.h>
#include <libutil.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include "mptutil.h"
MPT_TABLE(top, volume);
const char *
mpt_volstate(U8 State)
{
static char buf[16];
switch (State) {
case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
return ("OPTIMAL");
case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
return ("DEGRADED");
case MPI_RAIDVOL0_STATUS_STATE_FAILED:
return ("FAILED");
case MPI_RAIDVOL0_STATUS_STATE_MISSING:
return ("MISSING");
default:
sprintf(buf, "VSTATE 0x%02x", State);
return (buf);
}
}
static int
volume_name(int ac, char **av)
{
CONFIG_PAGE_RAID_VOL_1 *vnames;
U8 VolumeBus, VolumeID;
int error, fd;
if (ac != 3) {
warnx("name: volume and name required");
return (EINVAL);
}
if (strlen(av[2]) >= sizeof(vnames->Name)) {
warnx("name: new name is too long");
return (ENOSPC);
}
fd = mpt_open(mpt_unit);
if (fd < 0) {
error = errno;
warn("mpt_open");
return (error);
}
error = mpt_lookup_volume(fd, av[1], &VolumeBus, &VolumeID);
if (error) {
warnc(error, "Invalid volume: %s", av[1]);
return (error);
}
vnames = mpt_vol_names(fd, VolumeBus, VolumeID, NULL);
if (vnames == NULL) {
error = errno;
warn("Failed to fetch volume names");
close(fd);
return (error);
}
if (vnames->Header.PageType != MPI_CONFIG_PAGEATTR_CHANGEABLE) {
warnx("Volume name is read only");
free(vnames);
close(fd);
return (EOPNOTSUPP);
}
printf("mpt%u changing volume %s name from \"%s\" to \"%s\"\n",
mpt_unit, mpt_volume_name(VolumeBus, VolumeID), vnames->Name,
av[2]);
bzero(vnames->Name, sizeof(vnames->Name));
strcpy(vnames->Name, av[2]);
if (mpt_write_config_page(fd, vnames, NULL) < 0) {
error = errno;
warn("Failed to set volume name");
free(vnames);
close(fd);
return (error);
}
free(vnames);
close(fd);
return (0);
}
MPT_COMMAND(top, name, volume_name);
static int
volume_status(int ac, char **av)
{
MPI_RAID_VOL_INDICATOR prog;
RAID_VOL0_STATUS VolumeStatus;
uint64_t total, remaining;
float pct;
U8 VolumeBus, VolumeID;
int error, fd;
if (ac != 2) {
warnx("volume status: %s", ac > 2 ? "extra arguments" :
"volume required");
return (EINVAL);
}
fd = mpt_open(mpt_unit);
if (fd < 0) {
error = errno;
warn("mpt_open");
return (error);
}
error = mpt_lookup_volume(fd, av[1], &VolumeBus, &VolumeID);
if (error) {
warnc(error, "Invalid volume: %s", av[1]);
close(fd);
return (error);
}
error = mpt_raid_action(fd, MPI_RAID_ACTION_INDICATOR_STRUCT, VolumeBus,
VolumeID, 0, 0, NULL, 0, &VolumeStatus, (U32 *)&prog, sizeof(prog),
NULL, NULL, 0);
if (error) {
warnc(error, "Fetching volume status failed");
close(fd);
return (error);
}
printf("Volume %s status:\n", mpt_volume_name(VolumeBus, VolumeID));
printf(" state: %s\n", mpt_volstate(VolumeStatus.State));
printf(" flags:");
if (VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)
printf(" ENABLED");
else
printf(" DISABLED");
if (VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED)
printf(", QUIESCED");
if (VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS)
printf(", REBUILDING");
if (VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE)
printf(", INACTIVE");
if (VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_BAD_BLOCK_TABLE_FULL)
printf(", BAD BLOCK TABLE FULL");
printf("\n");
if (VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
total = (uint64_t)prog.TotalBlocks.High << 32 |
prog.TotalBlocks.Low;
remaining = (uint64_t)prog.BlocksRemaining.High << 32 |
prog.BlocksRemaining.Low;
pct = (float)(total - remaining) * 100 / total;
printf(" resync: %.2f%% complete\n", pct);
}
close(fd);
return (0);
}
MPT_COMMAND(volume, status, volume_status);
static int
volume_cache(int ac, char **av)
{
CONFIG_PAGE_RAID_VOL_0 *volume;
U32 Settings, NewSettings;
U8 VolumeBus, VolumeID;
char *s1;
int error, fd;
if (ac != 3) {
warnx("volume cache: %s", ac > 3 ? "extra arguments" :
"missing arguments");
return (EINVAL);
}
for (s1 = av[2]; *s1 != '\0'; s1++)
*s1 = tolower(*s1);
if ((strcmp(av[2], "enable")) && (strcmp(av[2], "enabled")) &&
(strcmp(av[2], "disable")) && (strcmp(av[2], "disabled"))) {
warnx("volume cache: invalid flag, must be 'enable' or 'disable'\n");
return (EINVAL);
}
fd = mpt_open(mpt_unit);
if (fd < 0) {
error = errno;
warn("mpt_open");
return (error);
}
error = mpt_lookup_volume(fd, av[1], &VolumeBus, &VolumeID);
if (error) {
warnc(error, "Invalid volume: %s", av[1]);
close(fd);
return (error);
}
volume = mpt_vol_info(fd, VolumeBus, VolumeID, NULL);
if (volume == NULL) {
close(fd);
return (errno);
}
Settings = volume->VolumeSettings.Settings;
NewSettings = Settings;
if (strncmp(av[2], "enable", sizeof("enable")) == 0)
NewSettings |= 0x01;
if (strncmp(av[2], "disable", sizeof("disable")) == 0)
NewSettings &= ~0x01;
if (NewSettings == Settings) {
warnx("volume cache unchanged");
free(volume);
close(fd);
return (0);
}
volume->VolumeSettings.Settings = NewSettings;
error = mpt_raid_action(fd, MPI_RAID_ACTION_CHANGE_VOLUME_SETTINGS,
VolumeBus, VolumeID, 0, *(U32 *)&volume->VolumeSettings, NULL, 0,
NULL, NULL, 0, NULL, NULL, 0);
if (error)
warnc(error, "volume cache change failed");
close(fd);
return (error);
}
MPT_COMMAND(volume, cache, volume_cache);