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
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <getopt.h>
#include "sd-hwdb.h"
#include "alloc-util.h"
#include "hwdb-util.h"
#include "main-func.h"
#include "pretty-print.h"
#include "selinux-util.h"
#include "terminal-util.h"
#include "util.h"
#include "verbs.h"
static const char *arg_hwdb_bin_dir = NULL;
static const char *arg_root = NULL;
static bool arg_strict = false;
static int verb_query(int argc, char *argv[], void *userdata) {
return hwdb_query(argv[1]);
}
static int verb_update(int argc, char *argv[], void *userdata) {
return hwdb_update(arg_root, arg_hwdb_bin_dir, arg_strict, false);
}
static int help(void) {
_cleanup_free_ char *link = NULL;
int r;
r = terminal_urlify_man("systemd-hwdb", "8", &link);
if (r < 0)
return log_oom();
printf("%s [OPTIONS...] COMMAND ...\n\n"
"%sUpdate or query the hardware database.%s\n"
"\nCommands:\n"
" update Update the hwdb database\n"
" query MODALIAS Query database and print result\n"
"\nOptions:\n"
" -h --help Show this help\n"
" --version Show package version\n"
" -s --strict When updating, return non-zero exit value on any parsing error\n"
" --usr Generate in " UDEVLIBEXECDIR " instead of /etc/udev\n"
" -r --root=PATH Alternative root path in the filesystem\n\n"
"\nSee the %s for details.\n"
, program_invocation_short_name
, ansi_highlight()
, ansi_normal()
, link
);
return 0;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_USR,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "usr", no_argument, NULL, ARG_USR },
{ "strict", no_argument, NULL, 's' },
{ "root", required_argument, NULL, 'r' },
{}
};
int c;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "ust:r:h", options, NULL)) >= 0)
switch(c) {
case 'h':
return help();
case ARG_VERSION:
return version();
case ARG_USR:
arg_hwdb_bin_dir = UDEVLIBEXECDIR;
break;
case 's':
arg_strict = true;
break;
case 'r':
arg_root = optarg;
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unknown option");
}
return 1;
}
static int hwdb_main(int argc, char *argv[]) {
static const Verb verbs[] = {
{ "update", 1, 1, 0, verb_update },
{ "query", 2, 2, 0, verb_query },
{},
};
return dispatch_verb(argc, argv, verbs, NULL);
}
static int run(int argc, char *argv[]) {
int r;
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
if (r <= 0)
return r;
r = mac_selinux_init();
if (r < 0)
return r;
return hwdb_main(argc, argv);
}
DEFINE_MAIN_FUNCTION(run);
|