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authorAshwini Sharma <ak.ashwini1981@gmail.com>2014-05-23 09:00:09 -0500
committerAshwini Sharma <ak.ashwini1981@gmail.com>2014-05-23 09:00:09 -0500
commit984f90c07025168bf2b42ec37f027005229daa02 (patch)
treec29331e7510fb2ae7d741b6145c2a4c314c6ba1e /toys
parent6958429d84cff06fefdc898d837a71c239f1e214 (diff)
downloadtoybox-984f90c07025168bf2b42ec37f027005229daa02.tar.gz
rfkill - enable/disable the radio devices
e.g. Wireless adapter, Bluetooth devices...
Diffstat (limited to 'toys')
-rw-r--r--toys/pending/rfkill.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/toys/pending/rfkill.c b/toys/pending/rfkill.c
new file mode 100644
index 00000000..a5af78e2
--- /dev/null
+++ b/toys/pending/rfkill.c
@@ -0,0 +1,108 @@
+/* rfkill.c - Enable/disable wireless devices.
+ *
+ * Copyright 2014 Ranjan Kumar <ranjankumar.bth@gmail.com>
+ * Copyright 2014 Kyungwan Han <asura321@gmail.com>
+ *
+ * No Standard
+
+USE_RFKILL(NEWTOY(rfkill, "<1>2", TOYFLAG_SBIN))
+
+config RFKILL
+ bool "rfkill"
+ default n
+ help
+ Usage: rfkill COMMAND
+
+ Enable/disable wireless devices.
+
+ Commands:
+ list [IDENTIFIER] List current state
+ block IDENTIFIER Disable device
+ unblock IDENTIFIER Enable device
+
+ where IDENTIFIER is the index no. of an rfkill switch or one of:
+ <idx> all, wlan(wifi), bluetooth, uwb(ultrawideband), wimax, wwan, gps, fm.
+*/
+#define FOR_rfkill
+#include "toys.h"
+#include <linux/rfkill.h>
+
+struct arglist {
+ char *name;
+ int idx;
+};
+
+static int getidx(char ***argv, struct arglist *list)
+{
+ struct arglist *alist;
+
+ if (!**argv) return -1;
+ for (alist = list; alist->name; alist++)
+ if (!strcmp(**argv, alist->name)) {
+ *argv += 1;
+ return alist->idx;
+ }
+ return -1;
+}
+
+void rfkill_main(void)
+{
+ struct rfkill_event rfevent;
+ int fd, tvar, idx = -1, tid = RFKILL_TYPE_ALL;
+ char **optargs = toys.optargs;
+ struct arglist cmds[] = {{"list", 0}, {"block", 1},
+ {"unblock", 2}, {NULL, -1}};
+
+ if (((tvar = getidx(&optargs, cmds)) < 0) || ((tvar) && !*optargs)) {
+ toys.exithelp = 1;
+ (tvar < 0) ? error_exit("cmd missmatch")
+ : error_exit("%s idx missing", *toys.optargs);
+ }
+ if (*optargs) {
+ struct arglist rftypes[] = {{"all", RFKILL_TYPE_ALL},
+ {"wifi", RFKILL_TYPE_WLAN}, {"wlan", RFKILL_TYPE_WLAN},
+ {"bluetooth", RFKILL_TYPE_BLUETOOTH}, {"uwb", RFKILL_TYPE_UWB},
+ {"ultrawideband", RFKILL_TYPE_UWB}, {"wimax", RFKILL_TYPE_WIMAX},
+ {"wwan", RFKILL_TYPE_WWAN}, {"gps", RFKILL_TYPE_GPS},
+ {"fm", 7}, {NULL, -1}}; // RFKILL_TYPE_FM = 7
+
+ if ((tid = getidx(&optargs, rftypes)) == -1)
+ idx = atolx_range(*optargs, 0, INT_MAX);
+ }
+ fd = xcreate("/dev/rfkill", (tvar ? O_RDWR : O_RDONLY)|O_NONBLOCK, 0600);
+ if (tvar) {
+ memset(&rfevent, 0, sizeof(rfevent));
+ rfevent.soft = (tvar & 1);
+ if (tid != -1) {
+ rfevent.type = tid;
+ rfevent.op = RFKILL_OP_CHANGE_ALL;
+ } else if (idx >= 0) {
+ rfevent.idx = idx;
+ rfevent.op = RFKILL_OP_CHANGE;
+ }
+ xwrite(fd, &rfevent, sizeof(rfevent));
+ } else { // show list.
+ while (sizeof(rfevent) == readall(fd, &rfevent, sizeof(rfevent))) {
+ char *line = NULL, *name = NULL, *type = NULL;
+
+ // filter of list items.
+ if (((tid > 0) && (tid != rfevent.type))
+ || ((idx != -1) && (idx != rfevent.idx))) continue;
+ sprintf(toybuf, "/sys/class/rfkill/rfkill%u/uevent", rfevent.idx);
+ tvar = xopen(toybuf, O_RDONLY);
+ while ((line = get_line(tvar))) {
+ if (!strncmp(line, "RFKILL_NAME", strlen("RFKILL_NAME")))
+ name = xstrdup(strchr(line, '=')+1);
+ else if (!strncmp(line, "RFKILL_TYPE", strlen("RFKILL_TYPE")))
+ type = xstrdup(strchr(line, '=')+1);
+ free(line);
+ }
+ xprintf("%u: %s: %s\n", rfevent.idx, name, type);
+ xprintf("\tSoft blocked: %s\n", rfevent.soft ? "yes" : "no");
+ xprintf("\tHard blocked: %s\n", rfevent.hard ? "yes" : "no");
+ xclose(tvar);
+ free(name), free(type);
+ }
+ }
+ xclose(fd);
+}