1 /* vi: set sw=4 ts=4: */
3 * rfkill implementation for busybox
5 * Copyright (C) 2010 Malek Degachi <malek-degachi@laposte.net>
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
10 //usage:#define rfkill_trivial_usage
11 //usage: "COMMAND [INDEX|TYPE]"
12 //usage:#define rfkill_full_usage "\n\n"
13 //usage: "Enable/disable wireless devices\n"
14 //usage: "\nCommands:"
15 //usage: "\n list [INDEX|TYPE] List current state"
16 //usage: "\n block INDEX|TYPE Disable device"
17 //usage: "\n unblock INDEX|TYPE Enable device"
19 //usage: "\n TYPE: all, wlan(wifi), bluetooth, uwb(ultrawideband),"
20 //usage: "\n wimax, wwan, gps, fm"
23 #include <linux/rfkill.h>
26 OPT_b
= (1 << 0), /* must be = 1 */
31 int rfkill_main(int argc
, char **argv
) MAIN_EXTERNALLY_VISIBLE
;
32 int rfkill_main(int argc UNUSED_PARAM
, char **argv
)
34 struct rfkill_event event
;
43 /* Must have one or two params */
44 if (!argv
[0] || (argv
[1] && argv
[2]))
47 mode
= O_RDWR
| O_NONBLOCK
;
49 if (strcmp(argv
[0], "list") == 0) {
51 mode
= O_RDONLY
| O_NONBLOCK
;
52 } else if (strcmp(argv
[0], "block") == 0 && rf_name
) {
54 } else if (strcmp(argv
[0], "unblock") == 0 && rf_name
) {
59 rf_type
= RFKILL_TYPE_ALL
;
62 static const char rfkill_types
[] ALIGN1
= "all\0wlan\0bluetooth\0uwb\0wimax\0wwan\0gps\0fm\0";
63 if (strcmp(rf_name
, "wifi") == 0)
65 if (strcmp(rf_name
, "ultrawideband") == 0)
67 rf_type
= index_in_strings(rfkill_types
, rf_name
);
69 rf_idx
= xatoi_positive(rf_name
);
73 rf_fd
= device_open("/dev/rfkill", mode
);
75 bb_perror_msg_and_die("/dev/rfkill");
78 while (full_read(rf_fd
, &event
, sizeof(event
)) == RFKILL_EVENT_SIZE_V1
) {
81 char rf_sysfs
[sizeof("/sys/class/rfkill/rfkill%u/uevent") + sizeof(int)*3];
84 if (rf_type
&& rf_type
!= event
.type
&& rf_idx
< 0) {
88 if (rf_idx
>= 0 && event
.idx
!= rf_idx
) {
94 sprintf(rf_sysfs
, "/sys/class/rfkill/rfkill%u/uevent", event
.idx
);
95 parser
= config_open2(rf_sysfs
, fopen_for_read
);
96 while (config_read(parser
, tokens
, 2, 2, "\n=", PARSE_NORMAL
)) {
97 if (strcmp(tokens
[0], "RFKILL_NAME") == 0) {
98 name
= xstrdup(tokens
[1]);
101 if (strcmp(tokens
[0], "RFKILL_TYPE") == 0) {
102 type
= xstrdup(tokens
[1]);
106 config_close(parser
);
108 printf("%u: %s: %s\n", event
.idx
, name
, type
);
109 printf("\tSoft blocked: %s\n", event
.soft
? "yes" : "no");
110 printf("\tHard blocked: %s\n", event
.hard
? "yes" : "no");
115 memset(&event
, 0, sizeof(event
));
117 event
.type
= rf_type
;
118 event
.op
= RFKILL_OP_CHANGE_ALL
;
123 event
.op
= RFKILL_OP_CHANGE
;
126 /* Note: OPT_b == 1 */
127 event
.soft
= (rf_opt
& OPT_b
);
129 xwrite(rf_fd
, &event
, sizeof(event
));