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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/* guestfish - the filesystem interactive shell
* Copyright (C) 2010 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "fish.h"
/* Global that saves the root device between inspect_mount and
* print_inspect_prompt.
*/
static char *root = NULL;
static int
compare_keys_len (const void *p1, const void *p2)
{
const char *key1 = * (char * const *) p1;
const char *key2 = * (char * const *) p2;
return strlen (key1) - strlen (key2);
}
static int
compare_keys (const void *p1, const void *p2)
{
const char *key1 = * (char * const *) p1;
const char *key2 = * (char * const *) p2;
return strcasecmp (key1, key2);
}
/* This function implements the -i option. */
void
inspect_mount (void)
{
char **roots = guestfs_inspect_os (g);
if (roots == NULL)
exit (EXIT_FAILURE);
if (roots[0] == NULL) {
fprintf (stderr, _("guestfish: no operating system was found on this disk\n"));
exit (EXIT_FAILURE);
}
if (roots[1] != NULL) {
fprintf (stderr, _("guestfish: multi-boot operating systems are not supported by the -i option\n"));
exit (EXIT_FAILURE);
}
root = roots[0];
free (roots);
char **mountpoints = guestfs_inspect_get_mountpoints (g, root);
if (mountpoints == NULL)
exit (EXIT_FAILURE);
/* Sort by key length, shortest key first, so that we end up
* mounting the filesystems in the correct order.
*/
qsort (mountpoints, count_strings (mountpoints) / 2, 2 * sizeof (char *),
compare_keys_len);
size_t i;
for (i = 0; mountpoints[i] != NULL; i += 2) {
int r;
if (!read_only)
r = guestfs_mount_options (g, "", mountpoints[i+1], mountpoints[i]);
else
r = guestfs_mount_ro (g, mountpoints[i+1], mountpoints[i]);
if (r == -1)
exit (EXIT_FAILURE);
}
free_strings (mountpoints);
}
/* This function is called only if the above function was called,
* and only after we've printed the prompt in interactive mode.
*/
void
print_inspect_prompt (void)
{
char *name = guestfs_inspect_get_product_name (g, root);
if (STRNEQ (name, "unknown"))
printf (_("Operating system: %s\n"), name);
free (name);
char **mountpoints = guestfs_inspect_get_mountpoints (g, root);
if (mountpoints == NULL)
return;
/* Sort by key. */
qsort (mountpoints, count_strings (mountpoints) / 2, 2 * sizeof (char *),
compare_keys);
size_t i;
for (i = 0; mountpoints[i] != NULL; i += 2)
printf (_("%s mounted on %s\n"), mountpoints[i+1], mountpoints[i]);
free_strings (mountpoints);
}
|