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freebsd-nq/sbin/sunlabel/sunlabel.c

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Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
/*-
* Copyright (c) 2003 Jake Burkholder.
* All rights reserved.
*
* 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
* 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.
*/
/*
* Copyright (c) 1994, 1995 Gordon W. Ross
* Copyright (c) 1994 Theo de Raadt
* All rights reserved.
* Copyright (c) 1987, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Symmetric Computer Systems.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* This product includes software developed by Theo de Raadt.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* from: $NetBSD: disksubr.c,v 1.13 2000/12/17 22:39:18 pk $
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/param.h>
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
#include <sys/disk.h>
#include <sys/ioctl.h>
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
#include <sys/sun_disklabel.h>
#include <sys/wait.h>
#include <err.h>
#include <fcntl.h>
#include <inttypes.h>
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
#include <libgeom.h>
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define _PATH_TMPFILE "/tmp/EdDk.XXXXXXXXXX"
#define _PATH_BOOT "/boot/boot1"
static int bflag;
static int Bflag;
static int eflag;
static int nflag;
static int Rflag;
static int wflag;
static int check_label(struct sun_disklabel *sl);
static void read_label(struct sun_disklabel *sl, const char *disk);
static void write_label(struct sun_disklabel *sl, const char *disk,
const char *bootpath);
static int edit_label(struct sun_disklabel *sl, const char *disk,
const char *bootpath);
static int parse_label(struct sun_disklabel *sl, const char *file);
static void print_label(struct sun_disklabel *sl, const char *disk, FILE *out);
static int parse_size(struct sun_disklabel *sl, int part, char *size);
static int parse_offset(struct sun_disklabel *sl, int part, char *offset);
static void usage(void);
extern char *__progname;
/*
* Disk label editor for sun disklabels.
*/
int
main(int ac, char **av)
{
struct sun_disklabel sl;
const char *bootpath;
const char *proto;
const char *disk;
int ch;
bootpath = _PATH_BOOT;
while ((ch = getopt(ac, av, "b:BenrRw")) != -1)
switch (ch) {
case 'b':
bflag = 1;
bootpath = optarg;
break;
case 'B':
Bflag = 1;
break;
case 'e':
eflag = 1;
break;
case 'n':
nflag = 1;
break;
case 'r':
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
fprintf(stderr, "Obsolete -r flag ignored\n");
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
break;
case 'R':
Rflag = 1;
break;
case 'w':
wflag = 1;
break;
default:
usage();
break;
}
if (bflag && !Bflag)
usage();
if (nflag && !(Bflag || eflag || Rflag || wflag))
usage();
if (eflag && (Rflag || wflag))
usage();
ac -= optind;
av += optind;
if (ac == 0)
usage();
bzero(&sl, sizeof(sl));
disk = av[0];
if (wflag) {
if (ac != 2 || strcmp(av[1], "auto") != 0)
usage();
read_label(&sl, disk);
bzero(sl.sl_part, sizeof(sl.sl_part));
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
sl.sl_part[SUN_RAWPART].sdkp_cyloffset = 0;
sl.sl_part[SUN_RAWPART].sdkp_nsectors = sl.sl_ncylinders *
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
sl.sl_ntracks * sl.sl_nsectors;
write_label(&sl, disk, bootpath);
} else if (eflag) {
if (ac != 1)
usage();
read_label(&sl, disk);
if (sl.sl_magic != SUN_DKMAGIC)
errx(1, "%s%s has no sun disklabel", _PATH_DEV, disk);
while (edit_label(&sl, disk, bootpath) != 0)
;
} else if (Rflag) {
if (ac != 2)
usage();
proto = av[1];
read_label(&sl, disk);
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
if (parse_label(&sl, proto) != 0)
errx(1, "%s: invalid label", proto);
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
write_label(&sl, disk, bootpath);
} else if (Bflag) {
read_label(&sl, disk);
if (sl.sl_magic != SUN_DKMAGIC)
errx(1, "%s%s has no sun disklabel", _PATH_DEV, disk);
write_label(&sl, disk, bootpath);
} else {
read_label(&sl, disk);
if (sl.sl_magic != SUN_DKMAGIC)
errx(1, "%s%s has no sun disklabel", _PATH_DEV, disk);
print_label(&sl, disk, stdout);
}
return (0);
}
static int
check_label(struct sun_disklabel *sl)
{
uint64_t nsectors;
uint64_t ostart;
uint64_t start;
uint64_t oend;
uint64_t end;
int i;
int j;
nsectors = sl->sl_ncylinders * sl->sl_ntracks * sl->sl_nsectors;
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
if (sl->sl_part[SUN_RAWPART].sdkp_cyloffset != 0 ||
sl->sl_part[SUN_RAWPART].sdkp_nsectors != nsectors) {
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
warnx("partition c is incorrect, must start at 0 and cover "
"whole disk");
return (1);
}
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
for (i = 0; i < SUN_NPART; i++) {
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
if (i == 2 || sl->sl_part[i].sdkp_nsectors == 0)
continue;
start = (uint64_t)sl->sl_part[i].sdkp_cyloffset *
sl->sl_ntracks * sl->sl_nsectors;
end = start + sl->sl_part[i].sdkp_nsectors;
if (end > nsectors) {
warnx("partition %c extends past end of disk",
'a' + i);
return (1);
}
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
for (j = 0; j < SUN_NPART; j++) {
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
if (j == 2 || j == i ||
sl->sl_part[j].sdkp_nsectors == 0)
continue;
ostart = (uint64_t)sl->sl_part[j].sdkp_cyloffset *
sl->sl_ntracks * sl->sl_nsectors;
oend = ostart + sl->sl_part[j].sdkp_nsectors;
if ((start <= ostart && end >= oend) ||
(start > ostart && start < oend) ||
(end > ostart && end < oend)) {
warnx("partition %c overlaps partition %c",
'a' + i, 'a' + j);
return (1);
}
}
}
return (0);
}
static void
read_label(struct sun_disklabel *sl, const char *disk)
{
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
char path[MAXPATHLEN];
uint32_t sectorsize;
uint32_t fwsectors;
uint32_t fwheads;
off_t mediasize;
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
char buf[SUN_SIZE];
int fd, error;
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
snprintf(path, sizeof(path), "%s%s", _PATH_DEV, disk);
if ((fd = open(path, O_RDONLY)) < 0)
err(1, "open %s", path);
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
if (read(fd, buf, sizeof(buf)) != sizeof(buf))
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
err(1, "read");
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
error = sunlabel_dec(buf, sl);
if (error) {
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
bzero(sl, sizeof(*sl));
if (ioctl(fd, DIOCGMEDIASIZE, &mediasize) != 0)
err(1, "%s: ioctl(DIOCGMEDIASIZE) failed", disk);
if (ioctl(fd, DIOCGSECTORSIZE, &sectorsize) != 0)
err(1, "%s: DIOCGSECTORSIZE failed", disk);
if (ioctl(fd, DIOCGFWSECTORS, &fwsectors) != 0)
fwsectors = 63;
if (ioctl(fd, DIOCGFWHEADS, &fwheads) != 0) {
if (mediasize <= 63 * 1024 * sectorsize)
fwheads = 1;
else if (mediasize <= 63 * 16 * 1024 * sectorsize)
fwheads = 16;
else
fwheads = 255;
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
}
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
sl->sl_rpm = 3600;
sl->sl_pcylinders = mediasize / (fwsectors * fwheads *
sectorsize);
sl->sl_sparespercyl = 0;
sl->sl_interleave = 1;
sl->sl_ncylinders = sl->sl_pcylinders - 2;
sl->sl_acylinders = 2;
sl->sl_nsectors = fwsectors;
sl->sl_ntracks = fwheads;
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
sl->sl_part[SUN_RAWPART].sdkp_cyloffset = 0;
sl->sl_part[SUN_RAWPART].sdkp_nsectors = sl->sl_ncylinders *
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
sl->sl_ntracks * sl->sl_nsectors;
Solve printf/cast issues to make this compile in i386 as well.
2003-04-18 20:27:16 +00:00
if (mediasize > (off_t)4999L * 1024L * 1024L) {
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
sprintf(sl->sl_text,
Solve printf/cast issues to make this compile in i386 as well.
2003-04-18 20:27:16 +00:00
"FreeBSD%jdG cyl %u alt %u hd %u sec %u",
(intmax_t)(mediasize + 512 * 1024 * 1024) /
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
(1024 * 1024 * 1024),
sl->sl_ncylinders, sl->sl_acylinders,
sl->sl_ntracks, sl->sl_nsectors);
} else {
sprintf(sl->sl_text,
Solve printf/cast issues to make this compile in i386 as well.
2003-04-18 20:27:16 +00:00
"FreeBSD%jdM cyl %u alt %u hd %u sec %u",
(intmax_t)(mediasize + 512 * 1024) / (1024 * 1024),
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
sl->sl_ncylinders, sl->sl_acylinders,
sl->sl_ntracks, sl->sl_nsectors);
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
}
}
- Use read(2) to get the existing sunlabel on a disk, instead of parsing kern.geom.conftxt, which md disks don't show up in. If the magic and the checksum are right assume its a valid sunlabel, otherwise use the DIOC ioctls to get the disk parameters and whip up a label out of thin air. - Don't just silently create or correct invalid c partitions, warn about invalid ones in label proto files. - Split checksumming into a function since we do it a couple times. Also don't include the sl_cksum field in the checksum, which avoids needing to clear it first. This is makes sunlabel a suitable replacement for disklabel in make release.
2003-04-15 23:46:19 +00:00
close(fd);
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
}
static void
write_label(struct sun_disklabel *sl, const char *disk, const char *bootpath)
{
char path[MAXPATHLEN];
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
char boot[SUN_BOOTSIZE];
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
char buf[SUN_SIZE];
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
const char *errstr;
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
off_t off;
int bfd;
int fd;
int i;
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
struct gctl_req *grq;
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
sl->sl_magic = SUN_DKMAGIC;
if (check_label(sl) != 0)
errx(1, "invalid label");
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
bzero(buf, sizeof(buf));
sunlabel_enc(buf, sl);
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
if (nflag) {
print_label(sl, disk, stdout);
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
return;
}
if (Bflag) {
if ((bfd = open(bootpath, O_RDONLY)) < 0)
err(1, "open %s", bootpath);
i = read(bfd, boot, sizeof(boot));
if (i < 0)
err(1, "read");
else if (i != sizeof (boot))
errx(1, "read wrong size boot code (%d)", i);
close(bfd);
}
snprintf(path, sizeof(path), "%s%s", _PATH_DEV, disk);
fd = open(path, O_RDWR);
if (fd < 0) {
Simplify the GEOM OAM api: Drop the request type, and let everything hinge on the "verb" parameter which the class gets to interpret as it sees fit. Move the entire request into the kernel and move changed parameters back when done.
2003-06-01 13:47:51 +00:00
grq = gctl_get_handle();
gctl_ro_param(grq, "verb", -1, "write label");
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
gctl_ro_param(grq, "class", -1, "SUN");
gctl_ro_param(grq, "geom", -1, disk);
gctl_ro_param(grq, "label", sizeof buf, buf);
errstr = gctl_issue(grq);
if (errstr != NULL)
errx(1, "%s", errstr);
gctl_free(grq);
if (Bflag) {
Simplify the GEOM OAM api: Drop the request type, and let everything hinge on the "verb" parameter which the class gets to interpret as it sees fit. Move the entire request into the kernel and move changed parameters back when done.
2003-06-01 13:47:51 +00:00
grq = gctl_get_handle();
gctl_ro_param(grq, "verb", -1, "write bootcode");
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
gctl_ro_param(grq, "class", -1, "SUN");
gctl_ro_param(grq, "geom", -1, disk);
gctl_ro_param(grq, "bootcode", sizeof boot, boot);
errstr = gctl_issue(grq);
if (errstr != NULL)
errx(1, "%s", errstr);
gctl_free(grq);
}
} else {
if (lseek(fd, 0, SEEK_SET) < 0)
err(1, "lseek");
if (write(fd, buf, sizeof(buf)) != sizeof(buf))
err (1, "write");
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
if (Bflag) {
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
for (i = 0; i < SUN_NPART; i++) {
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
if (sl->sl_part[i].sdkp_nsectors == 0)
continue;
off = sl->sl_part[i].sdkp_cyloffset *
sl->sl_ntracks * sl->sl_nsectors * 512;
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
/*
* Ignore first SUN_SIZE bytes of boot code to
* avoid overwriting the label.
*/
if (lseek(fd, off + SUN_SIZE, SEEK_SET) < 0)
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
err(1, "lseek");
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
if (write(fd, boot + SUN_SIZE,
sizeof(boot) - SUN_SIZE) !=
sizeof(boot) - SUN_SIZE)
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
err(1, "write");
}
}
close(fd);
If we cannot open the parent device for writing, use GEOM::CONFIG_GEOM requests to write label and bootcode. The -r argument is ignored (with a warning). With a lot of help from: jake
2003-04-23 08:25:20 +00:00
}
exit(0);
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
}
static int
edit_label(struct sun_disklabel *sl, const char *disk, const char *bootpath)
{
char tmpfil[] = _PATH_TMPFILE;
const char *editor;
int status;
FILE *fp;
pid_t pid;
pid_t r;
int fd;
int c;
if ((fd = mkstemp(tmpfil)) < 0)
err(1, "mkstemp");
if ((fp = fdopen(fd, "w")) == NULL)
err(1, "fdopen");
print_label(sl, disk, fp);
fflush(fp);
if ((pid = fork()) < 0)
err(1, "fork");
if (pid == 0) {
if ((editor = getenv("EDITOR")) == NULL)
editor = _PATH_VI;
Use (char *)NULL to terminate the argument list for execlp(). Without this cast the compiler cannot know that it has to convert the null pointer constant NULL to a null pointer.
2003-10-30 15:04:37 +00:00
execlp(editor, editor, tmpfil, (char *)NULL);
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
err(1, "execlp %s", editor);
}
status = 0;
while ((r = wait(&status)) > 0 && r != pid)
;
if (WIFEXITED(status)) {
if (parse_label(sl, tmpfil) == 0) {
fclose(fp);
unlink(tmpfil);
write_label(sl, disk, bootpath);
return (0);
}
printf("re-edit the label? [y]: ");
fflush(stdout);
c = getchar();
if (c != EOF && c != '\n')
while (getchar() != '\n')
;
if (c == 'n') {
fclose(fp);
unlink(tmpfil);
return (0);
}
}
fclose(fp);
unlink(tmpfil);
return (1);
}
static int
parse_label(struct sun_disklabel *sl, const char *file)
{
char offset[32];
char size[32];
char buf[128];
uint8_t part;
FILE *fp;
int line;
line = 0;
if ((fp = fopen(file, "r")) == NULL)
err(1, "fopen");
bzero(sl->sl_part, sizeof(sl->sl_part));
while (fgets(buf, sizeof(buf), fp) != NULL) {
if (buf[0] != ' ' || buf[1] != ' ')
continue;
if (sscanf(buf, " %c: %s %s\n", &part, size, offset) != 3 ||
parse_size(sl, part - 'a', size) ||
parse_offset(sl, part - 'a', offset)) {
warnx("%s: syntex error on line %d",
file, line);
fclose(fp);
return (1);
}
line++;
}
fclose(fp);
return (check_label(sl));
}
static int
parse_size(struct sun_disklabel *sl, int part, char *size)
{
uintmax_t nsectors;
uintmax_t total;
uintmax_t n;
char *p;
int i;
nsectors = 0;
n = strtoumax(size, &p, 10);
if (*p != '\0') {
if (strcmp(size, "*") == 0) {
total = sl->sl_ncylinders * sl->sl_ntracks *
sl->sl_nsectors;
for (i = 0; i < part; i++) {
if (i == 2)
continue;
nsectors += sl->sl_part[i].sdkp_nsectors;
}
n = total - nsectors;
} else if (p[1] == '\0' && (p[0] == 'K' || p[0] == 'k')) {
n = roundup((n * 1024) / 512,
sl->sl_ntracks * sl->sl_nsectors);
} else if (p[1] == '\0' && (p[0] == 'M' || p[0] == 'm')) {
n = roundup((n * 1024 * 1024) / 512,
sl->sl_ntracks * sl->sl_nsectors);
} else if (p[1] == '\0' && (p[0] == 'G' || p[0] == 'g')) {
n = roundup((n * 1024 * 1024 * 1024) / 512,
sl->sl_ntracks * sl->sl_nsectors);
} else
return (-1);
}
sl->sl_part[part].sdkp_nsectors = n;
return (0);
}
static int
parse_offset(struct sun_disklabel *sl, int part, char *offset)
{
uintmax_t nsectors;
uintmax_t n;
char *p;
int i;
nsectors = 0;
n = strtoumax(offset, &p, 10);
if (*p != '\0') {
if (strcmp(offset, "*") == 0) {
for (i = 0; i < part; i++) {
if (i == 2)
continue;
nsectors += sl->sl_part[i].sdkp_nsectors;
}
n = nsectors / (sl->sl_nsectors * sl->sl_ntracks);
} else
return (-1);
}
sl->sl_part[part].sdkp_cyloffset = n;
return (0);
}
static void
print_label(struct sun_disklabel *sl, const char *disk, FILE *out)
{
int i;
fprintf(out,
"# /dev/%s:\n"
"text: %s\n"
"bytes/sectors: 512\n"
"sectors/cylinder: %d\n"
"sectors/unit: %d\n"
"\n"
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
"%d partitions:\n"
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
"#\n"
"# Size is in sectors, use %%dK, %%dM or %%dG to specify in kilobytes,\n"
"# megabytes or gigabytes respectively, or '*' to specify rest of disk.\n"
"# Offset is in cylinders, use '*' to calculate offsets automatically.\n"
"#\n"
"# size offset\n"
"# ---------- ----------\n",
disk,
sl->sl_text,
sl->sl_nsectors * sl->sl_ntracks,
Use explicit encoding/decoding funtions for sunlabel data structures. Use #defines for various magic numbers. Attach test-case to makefile. Reviewed by: jake
2003-04-21 20:38:15 +00:00
sl->sl_nsectors * sl->sl_ntracks * sl->sl_ncylinders,
SUN_NPART);
for (i = 0; i < SUN_NPART; i++) {
Add sunlabel, a more or less drop in replacement for bsd^H^H^Hdisklabel(8) which works on sun labels. Due to the lack of an interface other than write(2) to update labels, it cannot modify an open partition.
2003-01-31 07:03:25 +00:00
if (sl->sl_part[i].sdkp_nsectors == 0)
continue;
fprintf(out, " %c: %10u %10u\n",
'a' + i,
sl->sl_part[i].sdkp_nsectors,
sl->sl_part[i].sdkp_cyloffset);
}
}
static void
usage(void)
{
fprintf(stderr, "usage:"
"\t%s [-r] disk\n"
"\t\t(to read label)\n"
"\t%s -B [-b boot1] [-n] disk\n"
"\t\t(to install boot program only)\n"
"\t%s -R [-B [-b boot1]] [-r] [-n] disk protofile\n"
"\t\t(to restore label)\n"
"\t%s -e [-B [-b boot1]] [-r] [-n] disk\n"
"\t\t(to edit label)\n"
"\t%s -w [-B [-b boot1]] [-r] [-n] disk type\n"
"\t\t(to write default label)\n",
__progname,
__progname,
__progname,
__progname,
__progname);
exit(1);
}
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