Contents of /trunk/mkinitrd-magellan/busybox/miscutils/rfkill.c
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Wed Aug 18 21:56:57 2010 UTC (14 years, 1 month ago) by niro
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File size: 2884 byte(s)
Wed Aug 18 21:56:57 2010 UTC (14 years, 1 month ago) by niro
File MIME type: text/plain
File size: 2884 byte(s)
-updated to busybox-1.17.1
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * rfkill implementation for busybox |
4 | * |
5 | * Copyright (C) 2010 Malek Degachi <malek-degachi@laposte.net> |
6 | * |
7 | * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. |
8 | */ |
9 | #include "libbb.h" |
10 | #include <linux/rfkill.h> |
11 | |
12 | enum { |
13 | OPT_b = (1 << 0), /* must be = 1 */ |
14 | OPT_u = (1 << 1), |
15 | OPT_l = (1 << 2), |
16 | }; |
17 | |
18 | int rfkill_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
19 | int rfkill_main(int argc UNUSED_PARAM, char **argv) |
20 | { |
21 | struct rfkill_event event; |
22 | const char *rf_name; |
23 | int rf_fd; |
24 | int mode; |
25 | int rf_type; |
26 | int rf_idx; |
27 | unsigned rf_opt = 0; |
28 | |
29 | argv++; |
30 | /* Must have one or two params */ |
31 | if (!argv[0] || (argv[1] && argv[2])) |
32 | bb_show_usage(); |
33 | |
34 | mode = O_RDWR | O_NONBLOCK; |
35 | rf_name = argv[1]; |
36 | if (strcmp(argv[0], "list") == 0) { |
37 | rf_opt |= OPT_l; |
38 | mode = O_RDONLY | O_NONBLOCK; |
39 | } else if (strcmp(argv[0], "block") == 0 && rf_name) { |
40 | rf_opt |= OPT_b; |
41 | } else if (strcmp(argv[0], "unblock") == 0 && rf_name) { |
42 | rf_opt |= OPT_u; |
43 | } else |
44 | bb_show_usage(); |
45 | |
46 | rf_type = RFKILL_TYPE_ALL; |
47 | rf_idx = -1; |
48 | if (rf_name) { |
49 | static const char rfkill_types[] ALIGN1 = "all\0wlan\0bluetooth\0uwb\0wimax\0wwan\0gps\0fm\0"; |
50 | if (strcmp(rf_name, "wifi") == 0) |
51 | rf_name = "wlan"; |
52 | if (strcmp(rf_name, "ultrawideband") == 0) |
53 | rf_name = "uwb"; |
54 | rf_type = index_in_strings(rfkill_types, rf_name); |
55 | if (rf_type < 0) { |
56 | rf_idx = xatoi_u(rf_name); |
57 | } |
58 | } |
59 | |
60 | rf_fd = device_open("/dev/rfkill", mode); |
61 | if (rf_fd < 0) |
62 | bb_perror_msg_and_die("/dev/rfkill"); |
63 | |
64 | if (rf_opt & OPT_l) { |
65 | while (full_read(rf_fd, &event, sizeof(event)) == RFKILL_EVENT_SIZE_V1) { |
66 | parser_t *parser; |
67 | char *tokens[2]; |
68 | char rf_sysfs[sizeof("/sys/class/rfkill/rfkill%u/uevent") + sizeof(int)*3]; |
69 | char *name, *type; |
70 | |
71 | if (rf_type && rf_type != event.type && rf_idx < 0) { |
72 | continue; |
73 | } |
74 | |
75 | if (rf_idx >= 0 && event.idx != rf_idx) { |
76 | continue; |
77 | } |
78 | |
79 | name = NULL; |
80 | type = NULL; |
81 | sprintf(rf_sysfs, "/sys/class/rfkill/rfkill%u/uevent", event.idx); |
82 | parser = config_open2(rf_sysfs, fopen_for_read); |
83 | while (config_read(parser, tokens, 2, 2, "\n=", PARSE_NORMAL)) { |
84 | if (strcmp(tokens[0], "RFKILL_NAME") == 0) { |
85 | name = xstrdup(tokens[1]); |
86 | continue; |
87 | } |
88 | if (strcmp(tokens[0], "RFKILL_TYPE") == 0) { |
89 | type = xstrdup(tokens[1]); |
90 | continue; |
91 | } |
92 | } |
93 | config_close(parser); |
94 | |
95 | printf("%u: %s: %s\n", event.idx, name, type); |
96 | printf("\tSoft blocked: %s\n", event.soft ? "yes" : "no"); |
97 | printf("\tHard blocked: %s\n", event.hard ? "yes" : "no"); |
98 | free(name); |
99 | free(type); |
100 | } |
101 | } else { |
102 | memset(&event, 0, sizeof(event)); |
103 | if (rf_type >= 0) { |
104 | event.type = rf_type; |
105 | event.op = RFKILL_OP_CHANGE_ALL; |
106 | } |
107 | |
108 | if (rf_idx >= 0) { |
109 | event.idx = rf_idx; |
110 | event.op = RFKILL_OP_CHANGE; |
111 | } |
112 | |
113 | /* Note: OPT_b == 1 */ |
114 | event.soft = (rf_opt & OPT_b); |
115 | |
116 | xwrite(rf_fd, &event, sizeof(event)); |
117 | } |
118 | |
119 | return EXIT_SUCCESS; |
120 | } |