/*-
* Copyright (c) 2010 Doug Rabson
* Copyright (c) 2011 Andriy Gapon
* Copyright (c) 2011 Pawel Jakub Dawidek <pawel@dawidek.net>
* 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.
*/
/* $FreeBSD$ */
#include <sys/param.h>
#include <sys/disk.h>
#include <sys/queue.h>
#include <sys/stat.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <md5.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#define NBBY 8
int
pager_output(const char *line)
{
fprintf(stderr, "%s", line);
return (0);
}
uint64_t
ldi_get_size(void *priv)
{
struct stat sb;
int fd;
fd = *(int *)priv;
if (fstat(fd, &sb) != 0)
return (0);
if (S_ISCHR(sb.st_mode) && ioctl(fd, DIOCGMEDIASIZE, &sb.st_size) != 0)
return (0);
return (sb.st_size);
}
#define ZFS_TEST
#define printf(...) fprintf(stderr, __VA_ARGS__)
#include "libzfs.h"
#include "zfsimpl.c"
#undef printf
static int
vdev_read(vdev_t *vdev, void *priv, off_t off, void *buf, size_t bytes)
{
int fd = *(int *)priv;
if (pread(fd, buf, bytes, off) != bytes)
return (-1);
return (0);
}
static int
zfs_read(spa_t *spa, dnode_phys_t *dn, void *buf, size_t size, off_t off)
{
const znode_phys_t *zp = (const znode_phys_t *) dn->dn_bonus;
size_t n;
int rc;
n = size;
if (off + n > zp->zp_size)
n = zp->zp_size - off;
rc = dnode_read(spa, dn, off, buf, n);
if (rc != 0)
return (-rc);
return (n);
}
int
main(int argc, char** argv)
{
char buf[512], hash[33];
MD5_CTX ctx;
struct stat sb;
struct zfsmount zfsmnt;
dnode_phys_t dn;
#if 0
uint64_t rootobj;
#endif
spa_t *spa;
off_t off;
ssize_t n;
int i, failures, *fd;
zfs_init();
if (argc == 1) {
static char *av[] = {
"zfsboottest",
"/dev/gpt/system0",
"/dev/gpt/system1",
"-",
"/boot/loader",
"/boot/support.4th",
"/boot/kernel/kernel",
NULL,
};
argc = sizeof(av) / sizeof(av[0]) - 1;
argv = av;
}
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-") == 0)
break;
}
fd = malloc(sizeof(fd[0]) * (i - 1));
if (fd == NULL)
errx(1, "Unable to allocate memory.");
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-") == 0)
break;
fd[i - 1] = open(argv[i], O_RDONLY);
if (fd[i - 1] == -1) {
warn("open(%s) failed", argv[i]);
continue;
}
if (vdev_probe(vdev_read, NULL, &fd[i - 1], NULL) != 0) {
warnx("vdev_probe(%s) failed", argv[i]);
close(fd[i - 1]);
}
}
STAILQ_FOREACH(spa, &zfs_pools, spa_link) {
if (zfs_spa_init(spa)) {
fprintf(stderr, "can't init pool %s\n", spa->spa_name);
exit(1);
}
}
spa_all_status();
spa = STAILQ_FIRST(&zfs_pools);
if (spa == NULL) {
fprintf(stderr, "no pools\n");
exit(1);
}
#if 0
uint64_t rootobj;
if (zfs_get_root(spa, &rootobj)) {
fprintf(stderr, "can't get root\n");
exit(1);
}
if (zfs_mount(spa, rootobj, &zfsmnt)) {
#else
if (zfs_mount(spa, 0, &zfsmnt)) {
fprintf(stderr, "can't mount\n");
exit(1);
#endif
}
printf("\n");
for (++i, failures = 0; i < argc; i++) {
if (zfs_lookup(&zfsmnt, argv[i], &dn)) {
fprintf(stderr, "%s: can't lookup\n", argv[i]);
failures++;
continue;
}
if (zfs_dnode_stat(spa, &dn, &sb)) {
fprintf(stderr, "%s: can't stat\n", argv[i]);
failures++;
continue;
}
off = 0;
MD5Init(&ctx);
do {
n = sb.st_size - off;
n = n > sizeof(buf) ? sizeof(buf) : n;
n = zfs_read(spa, &dn, buf, n, off);
if (n < 0) {
fprintf(stderr, "%s: zfs_read failed\n",
argv[i]);
failures++;
break;
}
MD5Update(&ctx, buf, n);
off += n;
} while (off < sb.st_size);
if (off < sb.st_size)
continue;
MD5End(&ctx, hash);
printf("%s %s\n", hash, argv[i]);
}
return (failures == 0 ? 0 : 1);
}
