static int
edit(void)
{
int c, fd;
struct disklabel label;
FILE *fp;
if ((fd = mkstemp(tmpfil)) == -1 ||
(fp = fdopen(fd, "w")) == NULL) {
warnx("can't create %s", tmpfil);
return (1);
}
display(fp, NULL);
fclose(fp);
for (;;) {
if (!editit())
break;
fp = fopen(tmpfil, "r");
if (fp == NULL) {
warnx("can't reopen %s for reading", tmpfil);
break;
}
bzero((char *)&label, sizeof(label));
c = getasciilabel(fp, &label);
fclose(fp);
if (c) {
lab = label;
if (writelabel() == 0) {
(void) unlink(tmpfil);
return (0);
}
}
printf("re-edit the label? [y]: ");
fflush(stdout);
c = getchar();
if (c != EOF && c != (int)'\n')
while (getchar() != (int)'\n')
;
if (c == (int)'n')
break;
}
(void) unlink(tmpfil);
return (1);
}
int
edit(struct disklabel *lp, int f)
{
int first, ch, fd, error = 0;
struct disklabel label;
FILE *fp;
u_int64_t total_sectors, starting_sector, ending_sector;
if ((fd = mkstemp(tmpfil)) == -1 || (fp = fdopen(fd, "w")) == NULL) {
if (fd != -1)
close(fd);
warn("%s", tmpfil);
return (1);
}
display(fp, lp, 0, 1);
fprintf(fp, "\n# Notes:\n");
fprintf(fp,
"# Up to 16 partitions are valid, named from 'a' to 'p'. Partition 'a' is\n"
"# your root filesystem, 'b' is your swap, and 'c' should cover your whole\n"
"# disk. Any other partition is free for any use. 'size' and 'offset' are\n"
"# in 512-byte blocks. fstype should be '4.2BSD', 'swap', or 'none' or some\n"
"# other values. fsize/bsize/cpg should typically be '2048 16384 16' for a\n"
"# 4.2BSD filesystem (or '512 4096 16' except on alpha, sun4, ...)\n");
fclose(fp);
for (;;) {
if (editit(tmpfil) == -1)
break;
fp = fopen(tmpfil, "r");
if (fp == NULL) {
warn("%s", tmpfil);
break;
}
/* Get values set by OS and not the label. */
if (ioctl(f, DIOCGPDINFO, &label) < 0)
err(4, "ioctl DIOCGPDINFO");
ending_sector = DL_GETBEND(&label);
starting_sector = DL_GETBSTART(&label);
total_sectors = DL_GETDSIZE(&label);
memset(&label, 0, sizeof(label));
error = getasciilabel(fp, &label);
DL_SETBEND(&label, ending_sector);
DL_SETBSTART(&label, starting_sector);
DL_SETDSIZE(&label, total_sectors);
if (error == 0) {
if (cmplabel(lp, &label) == 0) {
puts("No changes.");
fclose(fp);
(void) unlink(tmpfil);
return (0);
}
*lp = label;
if (writelabel(f, bootarea, lp) == 0) {
fclose(fp);
(void) unlink(tmpfil);
return (0);
}
}
fclose(fp);
printf("re-edit the label? [y]: ");
fflush(stdout);
first = ch = getchar();
while (ch != '\n' && ch != EOF)
ch = getchar();
if (first == 'n' || first == 'N')
break;
}
(void)unlink(tmpfil);
return (1);
}
int
main(int argc, char *argv[])
{
int ch, f, error = 0;
struct disklabel *lp;
FILE *t;
while ((ch = getopt(argc, argv, "ABEf:F:hRb:cdenp:tvw")) != -1)
switch (ch) {
case 'A':
++aflag;
break;
#if NUMBOOT > 0
case 'B':
++installboot;
break;
case 'b':
xxboot = optarg;
break;
#endif
case 'R':
if (op != UNSPEC)
usage();
op = RESTORE;
break;
case 'c':
++cflag;
break;
case 'd':
++dflag;
break;
case 'e':
if (op != UNSPEC)
usage();
op = EDIT;
break;
case 'E':
if (op != UNSPEC)
usage();
op = EDITOR;
break;
case 'f':
fstabfile = optarg;
uidflag = 0;
break;
case 'F':
fstabfile = optarg;
++uidflag;
break;
case 'h':
print_unit = '*';
break;
case 't':
++tflag;
break;
case 'w':
if (op != UNSPEC)
usage();
op = WRITE;
break;
case 'p':
if (strchr("bckmgtBCKMGT", optarg[0]) == NULL ||
optarg[1] != '\0') {
fprintf(stderr, "Valid units are bckmgt\n");
exit(1);
}
print_unit = tolower((unsigned char)optarg[0]);
break;
case 'n':
donothing++;
break;
case 'v':
verbose++;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
#if NUMBOOT > 0
if (installboot) {
if (op == UNSPEC)
op = WRITEBOOT;
} else {
if (op == UNSPEC)
op = READ;
}
#else
if (op == UNSPEC)
op = READ;
#endif
if (argc < 1 || (fstabfile && !(op == EDITOR || aflag)))
usage();
dkname = argv[0];
f = opendev(dkname, (op == READ ? O_RDONLY : O_RDWR), OPENDEV_PART,
&specname);
if (f < 0)
err(4, "%s", specname);
switch (op) {
case EDIT:
if (argc != 1)
usage();
readlabel(f);
error = edit(&lab, f);
break;
case EDITOR:
if (argc != 1)
usage();
readlabel(f);
error = editor(f);
break;
case READ:
if (argc != 1)
usage();
readlabel(f);
if (tflag)
makedisktab(stdout, &lab);
else
display(stdout, &lab, print_unit, 1);
error = checklabel(&lab);
break;
case RESTORE:
if (argc < 2 || argc > 3)
usage();
readlabel(f);
#if NUMBOOT > 0
if (installboot && argc == 3)
makelabel(argv[2], NULL, &lab);
#endif
lp = makebootarea(bootarea, &lab);
*lp = lab;
if (!(t = fopen(argv[1], "r")))
err(4, "%s", argv[1]);
error = getasciilabel(t, lp);
bzero(lp->d_uid, sizeof(lp->d_uid));
if (error == 0)
error = writelabel(f, bootarea, lp);
fclose(t);
break;
case WRITE:
if (dflag || aflag) {
readlabel(f);
} else if (argc < 2 || argc > 3)
usage();
else
makelabel(argv[1], argc == 3 ? argv[2] : NULL, &lab);
lp = makebootarea(bootarea, &lab);
*lp = lab;
error = checklabel(&lab);
if (error == 0)
error = writelabel(f, bootarea, lp);
break;
#if NUMBOOT > 0
case WRITEBOOT:
{
struct disklabel tlab;
readlabel(f);
tlab = lab;
if (argc == 2)
makelabel(argv[1], NULL, &lab);
lp = makebootarea(bootarea, &lab);
*lp = tlab;
error = checklabel(&lab);
if (error == 0)
error = writelabel(f, bootarea, lp);
break;
}
#endif
default:
break;
}
exit(error);
}
int
main(int argc, char *argv[])
{
FILE *t;
int ch, error, fd;
const char *name;
error = 0;
name = NULL;
while ((ch = getopt(argc, argv, "ABb:efm:nRrw")) != -1)
switch (ch) {
case 'A':
allfields = 1;
break;
case 'B':
++installboot;
break;
case 'b':
xxboot = optarg;
break;
case 'f':
is_file=1;
break;
case 'm':
if (!strcmp(optarg, "i386") ||
!strcmp(optarg, "amd64") ||
!strcmp(optarg, "ia64") ||
!strcmp(optarg, "pc98")) {
labelsoffset = 1;
labeloffset = 0;
bbsize = 8192;
} else {
errx(1, "Unsupported architecture");
}
break;
case 'n':
disable_write = 1;
break;
case 'R':
if (op != UNSPEC)
usage();
op = RESTORE;
break;
case 'e':
if (op != UNSPEC)
usage();
op = EDIT;
break;
case 'r':
/*
* We accept and ignore -r for compatibility with
* historical disklabel usage.
*/
break;
case 'w':
if (op != UNSPEC)
usage();
op = WRITE;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc < 1)
usage();
if (labelsoffset < 0 || labeloffset < 0)
errx(1, "a -m <architecture> option must be specified");
/* Figure out the names of the thing we're working on */
if (is_file) {
specname = argv[0];
} else {
specname = g_device_path(argv[0]);
if (specname == NULL) {
warn("unable to get correct path for %s", argv[0]);
return(1);
}
fd = open(specname, O_RDONLY);
if (fd < 0) {
warn("error opening %s", specname);
return(1);
}
pname = g_providername(fd);
if (pname == NULL) {
warn("error getting providername for %s", specname);
close(fd);
return(1);
}
close(fd);
}
if (installboot && op == UNSPEC)
op = WRITEBOOT;
else if (op == UNSPEC)
op = READ;
switch(op) {
case UNSPEC:
break;
case EDIT:
if (argc != 1)
usage();
readlabel(1);
fixlabel(&lab);
error = edit();
break;
case READ:
if (argc != 1)
usage();
readlabel(1);
display(stdout, NULL);
error = checklabel(NULL);
break;
case RESTORE:
if (argc != 2)
usage();
if (!(t = fopen(argv[1], "r")))
err(4, "fopen %s", argv[1]);
readlabel(0);
if (!getasciilabel(t, &lab))
exit(1);
error = writelabel();
break;
case WRITE:
if (argc == 2)
name = argv[1];
else if (argc == 1)
name = "auto";
else
usage();
readlabel(0);
makelabel(name, &lab);
fixlabel(&lab);
if (checklabel(NULL) == 0)
error = writelabel();
break;
case WRITEBOOT:
readlabel(1);
fixlabel(&lab);
if (argc == 2)
makelabel(argv[1], &lab);
if (checklabel(NULL) == 0)
error = writelabel();
break;
}
exit(error);
}
int
main(int argc, char *argv[])
{
struct disklabel32 *lp;
FILE *t;
int ch, f = 0, flag, error = 0;
char *name = NULL;
while ((ch = getopt(argc, argv, OPTIONS)) != -1)
switch (ch) {
#if NUMBOOT > 0
case 'B':
++installboot;
break;
case 'b':
xxboot = optarg;
break;
case 'f':
forceflag = 1;
slice_start_lba = strtoul(optarg, NULL, 0);
break;
#if NUMBOOT > 1
case 's':
bootxx = optarg;
break;
#endif
#endif
case 'N':
if (op != UNSPEC)
usage();
op = NOWRITE;
break;
case 'n':
disable_write = 1;
break;
case 'R':
if (op != UNSPEC)
usage();
op = RESTORE;
break;
case 'W':
if (op != UNSPEC)
usage();
op = WRITEABLE;
break;
case 'e':
if (op != UNSPEC)
usage();
op = EDIT;
break;
case 'r':
++rflag;
break;
case 'w':
if (op != UNSPEC)
usage();
op = WRITE;
break;
#ifdef DEBUG
case 'd':
debug++;
break;
#endif
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
#if NUMBOOT > 0
if (installboot) {
rflag++;
if (op == UNSPEC)
op = WRITEBOOT;
} else {
if (op == UNSPEC)
op = READ;
xxboot = bootxx = NULL;
}
#else
if (op == UNSPEC)
op = READ;
#endif
if (argc < 1)
usage();
dkname = getdevpath(argv[0], 0);
specname = dkname;
f = open(specname, op == READ ? O_RDONLY : O_RDWR);
if (f < 0)
err(4, "%s", specname);
switch(op) {
case UNSPEC:
break;
case EDIT:
if (argc != 1)
usage();
lp = readlabel(f);
error = edit(lp, f);
break;
case NOWRITE:
flag = 0;
if (ioctl(f, DIOCWLABEL, (char *)&flag) < 0)
err(4, "ioctl DIOCWLABEL");
break;
case READ:
if (argc != 1)
usage();
lp = readlabel(f);
display(stdout, lp);
error = checklabel(lp);
if (checkoldboot(f, NULL))
warnx("Warning, old bootblocks detected, install new bootblocks & reinstall the disklabel");
break;
case RESTORE:
#if NUMBOOT > 0
if (installboot && argc == 3) {
makelabel(argv[2], 0, &lab);
argc--;
/*
* We only called makelabel() for its side effect
* of setting the bootstrap file names. Discard
* all changes to `lab' so that all values in the
* final label come from the ASCII label.
*/
bzero((char *)&lab, sizeof(lab));
}
#endif
if (argc != 2)
usage();
if (!(t = fopen(argv[1], "r")))
err(4, "%s", argv[1]);
if (!getasciilabel(t, &lab))
exit(1);
lp = makebootarea(bootarea, &lab, f);
*lp = lab;
error = writelabel(f, bootarea, lp);
break;
case WRITE:
if (argc == 3) {
name = argv[2];
argc--;
}
if (argc != 2)
usage();
makelabel(argv[1], name, &lab);
lp = makebootarea(bootarea, &lab, f);
*lp = lab;
if (checklabel(lp) == 0)
error = writelabel(f, bootarea, lp);
break;
case WRITEABLE:
flag = 1;
if (ioctl(f, DIOCWLABEL, (char *)&flag) < 0)
err(4, "ioctl DIOCWLABEL");
break;
#if NUMBOOT > 0
case WRITEBOOT:
{
struct disklabel32 tlab;
lp = readlabel(f);
tlab = *lp;
if (argc == 2)
makelabel(argv[1], 0, &lab);
lp = makebootarea(bootarea, &lab, f);
*lp = tlab;
if (checklabel(lp) == 0)
error = writelabel(f, bootarea, lp);
break;
}
#endif
}
exit(error);
}
int
main(int argc, char *argv[])
{
int ch, f, error = 0;
FILE *t;
char *autotable = NULL;
getphysmem();
while ((ch = getopt(argc, argv, "AEf:F:hRcdenp:tT:vw")) != -1)
switch (ch) {
case 'A':
aflag = 1;
break;
case 'R':
if (op != UNSPEC)
usage();
op = RESTORE;
break;
case 'c':
cflag = 1;
break;
case 'd':
dflag = 1;
break;
case 'e':
if (op != UNSPEC)
usage();
op = EDIT;
break;
case 'E':
if (op != UNSPEC)
usage();
op = EDITOR;
break;
case 'f':
fstabfile = optarg;
uidflag = 0;
break;
case 'F':
fstabfile = optarg;
uidflag = 1;
break;
case 'h':
print_unit = '*';
break;
case 't':
tflag = 1;
break;
case 'T':
autotable = optarg;
break;
case 'w':
if (op != UNSPEC)
usage();
op = WRITE;
break;
case 'p':
if (strchr("bckmgtBCKMGT", optarg[0]) == NULL ||
optarg[1] != '\0') {
fprintf(stderr, "Valid units are bckmgt\n");
return 1;
}
print_unit = tolower((unsigned char)optarg[0]);
break;
case 'n':
donothing = 1;
break;
case 'v':
verbose = 1;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (op == UNSPEC)
op = READ;
if (argc < 1 || (fstabfile && !(op == EDITOR || op == RESTORE ||
aflag)))
usage();
if (argv[0] == NULL)
usage();
dkname = argv[0];
f = opendev(dkname, (op == READ ? O_RDONLY : O_RDWR), OPENDEV_PART,
&specname);
if (f < 0)
err(4, "%s", specname);
if (op != WRITE || aflag || dflag) {
readlabel(f);
if (op == EDIT || op == EDITOR || aflag) {
if (pledge("stdio rpath wpath cpath disklabel proc "
"exec", NULL) == -1)
err(1, "pledge");
} else if (fstabfile) {
if (pledge("stdio rpath wpath cpath disklabel", NULL)
== -1)
err(1, "pledge");
} else {
if (pledge("stdio rpath wpath disklabel", NULL) == -1)
err(1, "pledge");
}
if (autotable != NULL)
parse_autotable(autotable);
parselabel();
} else if (argc == 2 || argc == 3) {
/* Ensure f is a disk device before pledging. */
if (ioctl(f, DIOCGDINFO, &lab) < 0)
err(4, "ioctl DIOCGDINFO");
if (pledge("stdio rpath wpath disklabel", NULL) == -1)
err(1, "pledge");
makelabel(argv[1], argc == 3 ? argv[2] : NULL, &lab);
} else
usage();
switch (op) {
case EDIT:
if (argc != 1)
usage();
error = edit(&lab, f);
break;
case EDITOR:
if (argc != 1)
usage();
error = editor(f);
break;
case READ:
if (argc != 1)
usage();
if (pledge("stdio", NULL) == -1)
err(1, "pledge");
if (tflag)
makedisktab(stdout, &lab);
else
display(stdout, &lab, print_unit, 1);
error = checklabel(&lab);
break;
case RESTORE:
if (argc < 2 || argc > 3)
usage();
if (!(t = fopen(argv[1], "r")))
err(4, "%s", argv[1]);
error = getasciilabel(t, &lab);
memset(&lab.d_uid, 0, sizeof(lab.d_uid));
if (error == 0) {
error = writelabel(f, &lab);
if (error == 0) {
if (ioctl(f, DIOCGDINFO, &lab) < 0)
err(4, "ioctl DIOCGDINFO");
mpsave(&lab);
}
}
fclose(t);
break;
case WRITE:
error = checklabel(&lab);
if (error == 0)
error = writelabel(f, &lab);
break;
default:
break;
}
return error;
}