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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <getopt.h>
#include "alloc-util.h"
#include "pretty-print.h"
#include "systemctl-compat-shutdown.h"
#include "systemctl-sysv-compat.h"
#include "systemctl.h"
#include "terminal-util.h"
static int shutdown_help(void) {
_cleanup_free_ char *link = NULL;
int r;
r = terminal_urlify_man("shutdown", "8", &link);
if (r < 0)
return log_oom();
printf("%s [OPTIONS...] [TIME] [WALL...]\n"
"\n%sShut down the system.%s\n"
"\nOptions:\n"
" --help Show this help\n"
" -H --halt Halt the machine\n"
" -P --poweroff Power-off the machine\n"
" -r --reboot Reboot the machine\n"
" -h Equivalent to --poweroff, overridden by --halt\n"
" -k Don't halt/power-off/reboot, just send warnings\n"
" --no-wall Don't send wall message before halt/power-off/reboot\n"
" -c Cancel a pending shutdown\n"
" --show Show pending shutdown\n"
"\nSee the %s for details.\n",
program_invocation_short_name,
ansi_highlight(),
ansi_normal(),
link);
return 0;
}
int shutdown_parse_argv(int argc, char *argv[]) {
enum {
ARG_HELP = 0x100,
ARG_NO_WALL,
ARG_SHOW
};
static const struct option options[] = {
{ "help", no_argument, NULL, ARG_HELP },
{ "halt", no_argument, NULL, 'H' },
{ "poweroff", no_argument, NULL, 'P' },
{ "reboot", no_argument, NULL, 'r' },
{ "kexec", no_argument, NULL, 'K' }, /* not documented extension */
{ "no-wall", no_argument, NULL, ARG_NO_WALL },
{ "show", no_argument, NULL, ARG_SHOW },
{}
};
char **wall = NULL;
int c, r;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
switch (c) {
case ARG_HELP:
return shutdown_help();
case 'H':
arg_action = ACTION_HALT;
break;
case 'P':
arg_action = ACTION_POWEROFF;
break;
case 'r':
if (kexec_loaded())
arg_action = ACTION_KEXEC;
else
arg_action = ACTION_REBOOT;
break;
case 'K':
arg_action = ACTION_KEXEC;
break;
case 'h':
if (arg_action != ACTION_HALT)
arg_action = ACTION_POWEROFF;
break;
case 'k':
arg_dry_run = true;
break;
case ARG_NO_WALL:
arg_no_wall = true;
break;
case 'a':
case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
case 'f':
case 'F':
/* Compatibility nops */
break;
case 'c':
arg_action = ACTION_CANCEL_SHUTDOWN;
break;
case ARG_SHOW:
arg_action = ACTION_SHOW_SHUTDOWN;
break;
case '?':
return -EINVAL;
default:
assert_not_reached();
}
if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
r = parse_shutdown_time_spec(argv[optind], &arg_when);
if (r < 0) {
log_error("Failed to parse time specification: %s", argv[optind]);
return r;
}
} else
arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
/* No time argument for shutdown cancel */
wall = argv + optind;
else if (argc > optind + 1)
/* We skip the time argument */
wall = argv + optind + 1;
if (wall) {
char **copy = strv_copy(wall);
if (!copy)
return log_oom();
strv_free_and_replace(arg_wall, copy);
}
optind = argc;
return 1;
}
|
