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
|
/* SPDX-License-Identifier: LGPL-2.1+ */
#include <getopt.h>
#include <stdio.h>
#include <string.h>
#include "device-private.h"
#include "device-util.h"
#include "string-util.h"
#include "strv.h"
#include "udev-builtin.h"
static bool initialized;
static const struct udev_builtin *builtins[_UDEV_BUILTIN_MAX] = {
#if HAVE_BLKID
[UDEV_BUILTIN_BLKID] = &udev_builtin_blkid,
#endif
[UDEV_BUILTIN_BTRFS] = &udev_builtin_btrfs,
[UDEV_BUILTIN_HWDB] = &udev_builtin_hwdb,
[UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id,
[UDEV_BUILTIN_KEYBOARD] = &udev_builtin_keyboard,
#if HAVE_KMOD
[UDEV_BUILTIN_KMOD] = &udev_builtin_kmod,
#endif
[UDEV_BUILTIN_NET_ID] = &udev_builtin_net_id,
[UDEV_BUILTIN_NET_LINK] = &udev_builtin_net_setup_link,
[UDEV_BUILTIN_PATH_ID] = &udev_builtin_path_id,
[UDEV_BUILTIN_USB_ID] = &udev_builtin_usb_id,
#if HAVE_ACL
[UDEV_BUILTIN_UACCESS] = &udev_builtin_uaccess,
#endif
};
void udev_builtin_init(void) {
unsigned i;
if (initialized)
return;
for (i = 0; i < _UDEV_BUILTIN_MAX; i++)
if (builtins[i] && builtins[i]->init)
builtins[i]->init();
initialized = true;
}
void udev_builtin_exit(void) {
unsigned i;
if (!initialized)
return;
for (i = 0; i < _UDEV_BUILTIN_MAX; i++)
if (builtins[i] && builtins[i]->exit)
builtins[i]->exit();
initialized = false;
}
bool udev_builtin_validate(void) {
unsigned i;
for (i = 0; i < _UDEV_BUILTIN_MAX; i++)
if (builtins[i] && builtins[i]->validate && builtins[i]->validate())
return true;
return false;
}
void udev_builtin_list(void) {
unsigned i;
for (i = 0; i < _UDEV_BUILTIN_MAX; i++)
if (builtins[i])
fprintf(stderr, " %-14s %s\n", builtins[i]->name, builtins[i]->help);
}
const char *udev_builtin_name(enum udev_builtin_cmd cmd) {
assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX);
if (!builtins[cmd])
return NULL;
return builtins[cmd]->name;
}
bool udev_builtin_run_once(enum udev_builtin_cmd cmd) {
assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX);
if (!builtins[cmd])
return false;
return builtins[cmd]->run_once;
}
enum udev_builtin_cmd udev_builtin_lookup(const char *command) {
enum udev_builtin_cmd i;
size_t n;
assert(command);
command += strspn(command, WHITESPACE);
n = strcspn(command, WHITESPACE);
for (i = 0; i < _UDEV_BUILTIN_MAX; i++)
if (builtins[i] && strneq(builtins[i]->name, command, n))
return i;
return _UDEV_BUILTIN_INVALID;
}
int udev_builtin_run(sd_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test) {
_cleanup_strv_free_ char **argv = NULL;
assert(dev);
assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX);
assert(command);
if (!builtins[cmd])
return -EOPNOTSUPP;
argv = strv_split_full(command, NULL, SPLIT_QUOTES | SPLIT_RELAX);
if (!argv)
return -ENOMEM;
/* we need '0' here to reset the internal state */
optind = 0;
return builtins[cmd]->cmd(dev, strv_length(argv), argv, test);
}
int udev_builtin_add_property(sd_device *dev, bool test, const char *key, const char *val) {
int r;
assert(dev);
assert(key);
r = device_add_property(dev, key, val);
if (r < 0)
return log_device_debug_errno(dev, r, "Failed to add property '%s%s%s'",
key, val ? "=" : "", strempty(val));
if (test)
printf("%s=%s\n", key, val);
return 0;
}
|
