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/* $OpenBSD: installboot.c,v 1.16 2022/11/08 12:08:53 kn Exp $ */
/*
* Copyright (c) 2012, 2013 Joel Sing <jsing@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <util.h>
#include "installboot.h"
int nowrite;
int prepare;
int stages;
int verbose;
char *root;
char *stage1;
char *stage2;
static __dead void
usage(void)
{
fprintf(stderr, "usage:\t%1$s [-nv] [-r root] disk [stage1%2$s]\n"
"\t%1$s [-nv] -p disk\n",
getprogname(), (stages >= 2) ? " [stage2]" : "");
exit(1);
}
int
main(int argc, char **argv)
{
char *dev, *realdev;
int devfd, opt;
md_init();
while ((opt = getopt(argc, argv, "npr:v")) != -1) {
switch (opt) {
case 'n':
nowrite = 1;
break;
case 'p':
prepare = 1;
break;
case 'r':
root = optarg;
break;
case 'v':
verbose = 1;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc < 1 || argc > stages + 1)
usage();
if (prepare && (root != NULL || argc > 1))
usage();
dev = argv[0];
if (argc > 1)
stage1 = argv[1];
if (argc > 2)
stage2 = argv[2];
if ((devfd = opendev(dev, (nowrite ? O_RDONLY : O_RDWR), OPENDEV_PART,
&realdev)) == -1)
err(1, "open: %s", realdev);
if (prepare) {
#if SOFTRAID
sr_prepareboot(devfd, dev);
#else
md_prepareboot(devfd, realdev);
#endif
return 0;
}
/* Prefix stages with root, unless they were user supplied. */
if (root == NULL)
root = "/";
if (verbose)
fprintf(stderr, "Using %s as root\n", root);
if (argc <= 1 && stage1 != NULL) {
stage1 = fileprefix(root, stage1);
if (stage1 == NULL)
exit(1);
}
if (argc <= 2 && stage2 != NULL) {
stage2 = fileprefix(root, stage2);
if (stage2 == NULL)
exit(1);
}
if (verbose) {
fprintf(stderr, "%s bootstrap on %s\n",
(nowrite ? "would install" : "installing"), realdev);
if (stage1 || stage2) {
if (stage1)
fprintf(stderr, "using first-stage %s", stage1);
if (stage2)
fprintf(stderr, ", second-stage %s", stage2);
fprintf(stderr, "\n");
}
}
md_loadboot();
#ifdef SOFTRAID
sr_installboot(devfd, dev);
#else
md_installboot(devfd, realdev);
#endif
return 0;
}
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