1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*-
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stand.h>
#include <string.h>
#include "bootstrap.h"
#ifdef LOADER_GELI_SUPPORT
#include "geliboot.h"
#endif
int
devopen(struct open_file *f, const char *fname, const char **file)
{
struct devdesc *dev;
int result;
result = archsw.arch_getdev((void **)&dev, fname, file);
if (result)
return (result);
/* point to device-specific data so that device open can use it */
f->f_dev = dev->d_dev;
f->f_devdata = dev;
result = dev->d_dev->dv_open(f, dev);
if (result != 0) {
f->f_devdata = NULL;
f->f_dev = NULL;
free(dev);
return (result);
}
#ifdef LOADER_GELI_SUPPORT
/*
* If f->f_dev is geli-encrypted and we can decrypt it (will prompt for
* pw if needed), this will attach the geli code to the open_file by
* replacing f->f_dev and f_devdata with pointers to a geli_devdesc.
*/
if (f->f_dev->dv_type == DEVT_DISK) {
geli_probe_and_attach(f);
}
#endif
return (0);
}
int
devclose(struct open_file *f)
{
free(f->f_devdata);
return (0);
}
|
