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
|
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2011 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/dl.h>
#include <grub/misc.h>
#include <grub/command.h>
#include <grub/i18n.h>
#include <grub/xen.h>
#include <grub/term.h>
GRUB_MOD_LICENSE ("GPLv3+");
static int
hook (const char *dir, void *hook_data __attribute__ ((unused)))
{
grub_printf ("%s\n", dir);
return 0;
}
static grub_err_t
grub_cmd_lsxen (grub_command_t cmd __attribute__ ((unused)),
int argc, char **args)
{
char *dir;
grub_err_t err;
char *buf;
if (argc >= 1)
return grub_xenstore_dir (args[0], hook, NULL);
buf = grub_xenstore_get_file ("domid", NULL);
if (!buf)
return grub_errno;
dir = grub_xasprintf ("/local/domain/%s", buf);
grub_free (buf);
err = grub_xenstore_dir (dir, hook, NULL);
grub_free (dir);
return err;
}
static grub_err_t
grub_cmd_catxen (grub_command_t cmd __attribute__ ((unused)),
int argc, char **args)
{
const char *dir = "domid";
char *buf;
if (argc >= 1)
dir = args[0];
buf = grub_xenstore_get_file (dir, NULL);
if (!buf)
return grub_errno;
grub_xputs (buf);
grub_xputs ("\n");
grub_free (buf);
return GRUB_ERR_NONE;
}
static grub_command_t cmd_ls, cmd_cat;
GRUB_MOD_INIT (lsxen)
{
cmd_ls = grub_register_command ("xen_ls", grub_cmd_lsxen, N_("[DIR]"),
N_("List Xen storage."));
cmd_cat = grub_register_command ("xen_cat", grub_cmd_catxen, N_("[DIR]"),
N_("List Xen storage."));
}
GRUB_MOD_FINI (lsxen)
{
grub_unregister_command (cmd_ls);
grub_unregister_command (cmd_cat);
}
|
