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rfkill: new applet

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function                                             old     new   delta
rfkill_main                                            -     683    +683
packed_usage                                       26824   26966    +142
static.rfkill_types                                    -      42     +42
applet_names                                        2216    2223      +7
applet_main                                         1300    1304      +4
applet_nameofs                                       650     652      +2

Signed-off-by: Souf Oued <souf_oued@yahoo.fr>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Souf Oued 2010-05-02 18:45:02 +02:00 committed by Denys Vlasenko
parent fde3fb3009
commit 43afd75ea8
5 changed files with 145 additions and 0 deletions
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1
include/applets.h
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@ -321,6 +321,7 @@ IF_RENICE(APPLET(renice, _BB_DIR_USR_BIN, _BB_SUID_DROP))
IF_RESET(APPLET(reset, _BB_DIR_USR_BIN, _BB_SUID_DROP))
IF_RESIZE(APPLET(resize, _BB_DIR_USR_BIN, _BB_SUID_DROP))
IF_RESTORECON(APPLET_ODDNAME(restorecon, setfiles, _BB_DIR_SBIN, _BB_SUID_DROP, restorecon))
IF_RFKILL(APPLET(rfkill, _BB_DIR_USR_SBIN, _BB_SUID_DROP))
IF_RM(APPLET_NOFORK(rm, rm, _BB_DIR_BIN, _BB_SUID_DROP, rm))
IF_RMDIR(APPLET_NOFORK(rmdir, rmdir, _BB_DIR_BIN, _BB_SUID_DROP, rmdir))
IF_RMMOD(APPLET(rmmod, _BB_DIR_SBIN, _BB_SUID_DROP))

12
include/usage.h
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@ -3738,6 +3738,18 @@
"\n for customizable files, or the user section," \
"\n if it has changed" \
#define rfkill_trivial_usage \
"COMMAND [INDEX|TYPE]"
#define rfkill_full_usage "\n\n" \
"Enable/disable wireless devices\n" \
"\nCommands:" \
"\n list [INDEX|TYPE] List current state" \
"\n block INDEX|TYPE Disable device" \
"\n unblock INDEX|TYPE Enable device" \
"\n" \
"\n TYPE: all, wlan(wifi), bluetooth, uwb(ultrawideband)," \
"\n wimax, wwan, gps, fm" \
#define rm_trivial_usage \
"[OPTIONS] FILE..."
#define rm_full_usage "\n\n" \

11
miscutils/Config.in
View File

@ -545,6 +545,17 @@ config READAHEAD
As readahead(2) blocks until each file has been read, it is best to
run this applet as a background job.
config RFKILL
bool "rfkill"
default n
help
Enable/disable wireless devices.
rfkill list : list all wireless devices
rfkill list bluetooth : list all bluetooth devices
rfkill list 1 : list device corresponding to the given index
rfkill block|unblock wlan : block/unblock all wlan(wifi) devices
config RUNLEVEL
bool "runlevel"
default n

1
miscutils/Kbuild
View File

@ -34,6 +34,7 @@ lib-$(CONFIG_MOUNTPOINT) += mountpoint.o
lib-$(CONFIG_MT) += mt.o
lib-$(CONFIG_RAIDAUTORUN) += raidautorun.o
lib-$(CONFIG_READAHEAD) += readahead.o
lib-$(CONFIG_RFKILL) += rfkill.o
lib-$(CONFIG_RUNLEVEL) += runlevel.o
lib-$(CONFIG_RX) += rx.o
lib-$(CONFIG_SETSID) += setsid.o

120
miscutils/rfkill.c Normal file
View File

@ -0,0 +1,120 @@
/* vi: set sw=4 ts=4: */
/*
* rfkill implementation for busybox
*
* Copyright (C) 2010 Malek Degachi <malek-degachi@laposte.net>
*
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*/
#include "libbb.h"
#include <linux/rfkill.h>
enum {
OPT_b = (1 << 0), /* must be = 1 */
OPT_u = (1 << 1),
OPT_l = (1 << 2),
};
int rfkill_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int rfkill_main(int argc UNUSED_PARAM, char **argv)
{
struct rfkill_event event;
const char *rf_name;
int rf_fd;
int mode;
int rf_type;
int rf_idx;
unsigned rf_opt = 0;
argv++;
/* Must have one or two params */
if (!argv[0] || (argv[1] && argv[2]))
bb_show_usage();
mode = O_RDWR | O_NONBLOCK;
rf_name = argv[1];
if (strcmp(argv[0], "list") == 0) {
rf_opt |= OPT_l;
mode = O_RDONLY | O_NONBLOCK;
} else if (strcmp(argv[0], "block") == 0 && rf_name) {
rf_opt |= OPT_b;
} else if (strcmp(argv[0], "unblock") == 0 && rf_name) {
rf_opt |= OPT_u;
} else
bb_show_usage();
rf_type = RFKILL_TYPE_ALL;
rf_idx = -1;
if (rf_name) {
static const char rfkill_types[] ALIGN1 = "all\0wlan\0bluetooth\0uwb\0wimax\0wwan\0gps\0fm\0";
if (strcmp(rf_name, "wifi") == 0)
rf_name = "wlan";
if (strcmp(rf_name, "ultrawideband") == 0)
rf_name = "uwb";
rf_type = index_in_strings(rfkill_types, rf_name);
if (rf_type < 0) {
rf_idx = xatoi_u(rf_name);
}
}
rf_fd = device_open("/dev/rfkill", mode);
if (rf_fd < 0)
bb_perror_msg_and_die("/dev/rfkill");
if (rf_opt & OPT_l) {
while (full_read(rf_fd, &event, sizeof(event)) == RFKILL_EVENT_SIZE_V1) {
parser_t *parser;
char *tokens[2];
char rf_sysfs[sizeof("/sys/class/rfkill/rfkill%u/uevent") + sizeof(int)*3];
char *name, *type;
if (rf_type && rf_type != event.type && rf_idx < 0) {
continue;
}
if (rf_idx >= 0 && event.idx != rf_idx) {
continue;
}
name = NULL;
type = NULL;
sprintf(rf_sysfs, "/sys/class/rfkill/rfkill%u/uevent", event.idx);
parser = config_open2(rf_sysfs, fopen_for_read);
while (config_read(parser, tokens, 2, 2, "\n=", PARSE_NORMAL)) {
if (strcmp(tokens[0], "RFKILL_NAME") == 0) {
name = xstrdup(tokens[1]);
continue;
}
if (strcmp(tokens[0], "RFKILL_TYPE") == 0) {
type = xstrdup(tokens[1]);
continue;
}
}
config_close(parser);
printf("%u: %s: %s\n", event.idx, name, type);
printf("\tSoft blocked: %s\n", event.soft ? "yes" : "no");
printf("\tHard blocked: %s\n", event.hard ? "yes" : "no");
free(name);
free(type);
}
} else {
memset(&event, 0, sizeof(event));
if (rf_type >= 0) {
event.type = rf_type;
event.op = RFKILL_OP_CHANGE_ALL;
}
if (rf_idx >= 0) {
event.idx = rf_idx;
event.op = RFKILL_OP_CHANGE;
}
/* Note: OPT_b == 1 */
event.soft = (rf_opt & OPT_b);
xwrite(rf_fd, &event, sizeof(event));
}
return EXIT_SUCCESS;
}