rfkill: move files to appropriate locations
Also remove unnecessary items. Notice that the licence text from COPYING is moved to top of the command in comment section. Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola
parent
d17fb726b5
commit
e69263c03b
11 changed files with 30 additions and 232 deletions
373
sys-utils/rfkill.c
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373
sys-utils/rfkill.c
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/*
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* /dev/rfkill userspace tool
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*
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* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
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* Copyright 2009 Marcel Holtmann <marcel@holtmann.org>
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* Copyright 2009 Tim Gardner <tim.gardner@canonical.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdbool.h>
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#include <sys/types.h>
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#include <sys/poll.h>
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#include <sys/time.h>
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#include "rfkill.h"
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#include "core.h"
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static void rfkill_event(void)
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{
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struct rfkill_event event;
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struct timeval tv;
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struct pollfd p;
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ssize_t len;
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int fd, n;
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fd = open("/dev/rfkill", O_RDONLY);
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if (fd < 0) {
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perror("Can't open RFKILL control device");
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return;
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}
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memset(&p, 0, sizeof(p));
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p.fd = fd;
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p.events = POLLIN | POLLHUP;
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while (1) {
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n = poll(&p, 1, -1);
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if (n < 0) {
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perror("Failed to poll RFKILL control device");
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break;
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}
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if (n == 0)
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continue;
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len = read(fd, &event, sizeof(event));
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if (len < 0) {
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perror("Reading of RFKILL events failed");
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break;
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}
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if (len != RFKILL_EVENT_SIZE_V1) {
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fprintf(stderr, "Wrong size of RFKILL event\n");
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continue;
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}
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gettimeofday(&tv, NULL);
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printf("%ld.%06u: idx %u type %u op %u soft %u hard %u\n",
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(long) tv.tv_sec, (unsigned int) tv.tv_usec,
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event.idx, event.type, event.op, event.soft, event.hard);
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fflush(stdout);
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}
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close(fd);
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}
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static const char *get_name(__u32 idx)
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{
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static char name[128] = {};
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char *pos, filename[64];
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int fd;
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snprintf(filename, sizeof(filename) - 1,
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"/sys/class/rfkill/rfkill%u/name", idx);
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fd = open(filename, O_RDONLY);
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if (fd < 0)
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return NULL;
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memset(name, 0, sizeof(name));
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read(fd, name, sizeof(name) - 1);
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pos = strchr(name, '\n');
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if (pos)
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*pos = '\0';
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close(fd);
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return name;
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}
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static const char *type2string(enum rfkill_type type)
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{
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switch (type) {
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case RFKILL_TYPE_ALL:
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return "All";
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case RFKILL_TYPE_WLAN:
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return "Wireless LAN";
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case RFKILL_TYPE_BLUETOOTH:
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return "Bluetooth";
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case RFKILL_TYPE_UWB:
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return "Ultra-Wideband";
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case RFKILL_TYPE_WIMAX:
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return "WiMAX";
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case RFKILL_TYPE_WWAN:
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return "Wireless WAN";
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case RFKILL_TYPE_GPS:
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return "GPS";
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case RFKILL_TYPE_FM:
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return "FM";
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case RFKILL_TYPE_NFC:
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return "NFC";
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case NUM_RFKILL_TYPES:
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return NULL;
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}
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return NULL;
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}
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struct rfkill_type_str {
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enum rfkill_type type;
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const char *name;
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};
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static const struct rfkill_type_str rfkill_type_strings[] = {
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{ .type = RFKILL_TYPE_ALL, .name = "all" },
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{ .type = RFKILL_TYPE_WLAN, .name = "wifi" },
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{ .type = RFKILL_TYPE_WLAN, .name = "wlan" }, /* alias */
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{ .type = RFKILL_TYPE_BLUETOOTH, .name = "bluetooth" },
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{ .type = RFKILL_TYPE_UWB, .name = "uwb" },
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{ .type = RFKILL_TYPE_UWB, .name = "ultrawideband" }, /* alias */
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{ .type = RFKILL_TYPE_WIMAX, .name = "wimax" },
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{ .type = RFKILL_TYPE_WWAN, .name = "wwan" },
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{ .type = RFKILL_TYPE_GPS, .name = "gps" },
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{ .type = RFKILL_TYPE_FM, .name = "fm" },
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{ .type = RFKILL_TYPE_NFC, .name = "nfc" },
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{ .name = NULL }
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};
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struct rfkill_id {
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union {
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enum rfkill_type type;
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__u32 index;
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};
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enum {
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RFKILL_IS_INVALID,
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RFKILL_IS_TYPE,
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RFKILL_IS_INDEX,
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} result;
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};
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static struct rfkill_id rfkill_id_to_type(const char *s)
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{
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const struct rfkill_type_str *p;
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struct rfkill_id ret;
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if (islower(*s)) {
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for (p = rfkill_type_strings; p->name != NULL; p++) {
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if ((strlen(s) == strlen(p->name)) && (!strcmp(s,p->name))) {
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ret.type = p->type;
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ret.result = RFKILL_IS_TYPE;
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return ret;
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}
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}
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} else if (isdigit(*s)) {
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/* assume a numeric character implies an index. */
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ret.index = atoi(s);
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ret.result = RFKILL_IS_INDEX;
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return ret;
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}
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ret.result = RFKILL_IS_INVALID;
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return ret;
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}
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static int rfkill_list(const char *param)
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{
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struct rfkill_id id = { .result = RFKILL_IS_INVALID };
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struct rfkill_event event;
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const char *name;
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ssize_t len;
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int fd;
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if (param) {
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id = rfkill_id_to_type(param);
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if (id.result == RFKILL_IS_INVALID) {
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fprintf(stderr, "Bogus %s argument '%s'.\n", "list", param);
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return 2;
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}
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/* don't filter "all" */
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if (id.result == RFKILL_IS_TYPE && id.type == RFKILL_TYPE_ALL)
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id.result = RFKILL_IS_INVALID;
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}
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fd = open("/dev/rfkill", O_RDONLY);
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if (fd < 0) {
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perror("Can't open RFKILL control device");
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return 1;
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}
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if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0) {
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perror("Can't set RFKILL control device to non-blocking");
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close(fd);
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return 1;
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}
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while (1) {
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len = read(fd, &event, sizeof(event));
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if (len < 0) {
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if (errno == EAGAIN)
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break;
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perror("Reading of RFKILL events failed");
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break;
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}
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if (len != RFKILL_EVENT_SIZE_V1) {
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fprintf(stderr, "Wrong size of RFKILL event\n");
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continue;
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}
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if (event.op != RFKILL_OP_ADD)
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continue;
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/* filter out unwanted results */
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switch (id.result)
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{
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case RFKILL_IS_TYPE:
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if (event.type != id.type)
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continue;
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break;
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case RFKILL_IS_INDEX:
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if (event.idx != id.index)
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continue;
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break;
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case RFKILL_IS_INVALID:; /* must be last */
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}
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name = get_name(event.idx);
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printf("%u: %s: %s\n", event.idx, name,
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type2string(event.type));
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printf("\tSoft blocked: %s\n", event.soft ? "yes" : "no");
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printf("\tHard blocked: %s\n", event.hard ? "yes" : "no");
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}
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close(fd);
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return 0;
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}
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static int rfkill_block(__u8 block, const char *param)
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{
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struct rfkill_id id;
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struct rfkill_event event;
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ssize_t len;
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int fd;
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id = rfkill_id_to_type(param);
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if (id.result == RFKILL_IS_INVALID) {
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fprintf(stderr, "Bogus %s argument '%s'.\n", block ? "block" : "unblock", param);
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return 2;
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}
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fd = open("/dev/rfkill", O_RDWR);
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if (fd < 0) {
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perror("Can't open RFKILL control device");
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return 1;
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}
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memset(&event, 0, sizeof(event));
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switch (id.result) {
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case RFKILL_IS_TYPE:
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event.op = RFKILL_OP_CHANGE_ALL;
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event.type = id.type;
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break;
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case RFKILL_IS_INDEX:
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event.op = RFKILL_OP_CHANGE;
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event.idx = id.index;
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break;
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case RFKILL_IS_INVALID:; /* must be last */
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}
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event.soft = block;
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len = write(fd, &event, sizeof(event));
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if (len < 0)
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perror("Failed to change RFKILL state");
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close(fd);
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return 0;
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}
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static const char *argv0;
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static void usage(void)
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{
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const struct rfkill_type_str *p;
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fprintf(stderr, "Usage:\t%s [options] command\n", argv0);
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fprintf(stderr, "Options:\n");
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fprintf(stderr, "\t--version\tshow version (%s)\n", rfkill_version);
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fprintf(stderr, "Commands:\n");
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fprintf(stderr, "\thelp\n");
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fprintf(stderr, "\tevent\n");
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fprintf(stderr, "\tlist [IDENTIFIER]\n");
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fprintf(stderr, "\tblock IDENTIFIER\n");
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fprintf(stderr, "\tunblock IDENTIFIER\n");
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fprintf(stderr, "where IDENTIFIER is the index no. of an rfkill switch or one of:\n");
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fprintf(stderr, "\t<idx>");
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for (p = rfkill_type_strings; p->name != NULL; p++)
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fprintf(stderr, " %s", p->name);
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fprintf(stderr, "\n");
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}
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static void version(void)
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{
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printf("rfkill %s\n", rfkill_version);
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}
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int main(int argc, char **argv)
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{
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int ret = 0;
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/* strip off self */
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argc--;
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argv0 = *argv++;
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if (argc > 0 && strcmp(*argv, "--version") == 0) {
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version();
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return 0;
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}
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if (argc == 0 || strcmp(*argv, "help") == 0) {
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usage();
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return 0;
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}
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if (strcmp(*argv, "event") == 0) {
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rfkill_event();
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} else if (strcmp(*argv, "list") == 0) {
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argc--;
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argv++;
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rfkill_list(*argv); /* NULL is acceptable */
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} else if (strcmp(*argv, "block") == 0 && argc > 1) {
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argc--;
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argv++;
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ret = rfkill_block(1,*argv);
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} else if (strcmp(*argv, "unblock") == 0 && argc > 1) {
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argc--;
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argv++;
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ret = rfkill_block(0,*argv);
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} else {
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usage();
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return 1;
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}
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return ret;
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}
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