3027 installgrub can segfault when encountering bogus data on disk
1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 #ifndef _INSTALLBOOT_H
26 #define _INSTALLBOOT_H
27
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31
32 #include <sys/multiboot.h>
33 #include <sys/types.h>
34
35 enum ib_fs_types {
36 TARGET_IS_UFS = 0,
37 TARGET_IS_HSFS,
38 TARGET_IS_ZFS
39 };
40
41 typedef struct _ib_device {
42 char *path;
43 int fd;
44 uint8_t type;
45 } ib_device_t;
46
47 typedef struct _ib_bootblock {
48 char *buf;
49 char *file;
50 char *extra;
51 multiboot_header_t *mboot;
52 uint32_t mboot_off;
53 uint32_t buf_size;
54 uint32_t file_size;
55 uint32_t extra_size;
56 } ib_bootblock_t;
57
58 typedef struct _ib_data {
59 ib_device_t device;
60 ib_bootblock_t bootblock;
61 } ib_data_t;
62
63 #define is_zfs(type) (type == TARGET_IS_ZFS)
64
65 #define BBLK_DATA_RSVD_SIZE (15 * SECTOR_SIZE)
66 #define BBLK_ZFS_EXTRA_OFF (SECTOR_SIZE * 1024)
67
68 #ifdef __cplusplus
69 }
70 #endif
71
72 #endif /* _INSTALLBOOT_H */
--- EOF ---