diff options
author | Rob Landley <rob@landley.net> | 2016-07-03 16:05:12 -0500 |
---|---|---|
committer | Rob Landley <rob@landley.net> | 2016-07-03 16:05:12 -0500 |
commit | 746e565c097ed311ebb65842ac8a6527535993a7 (patch) | |
tree | 5ba0d6003059d4e0bb900af21071428f104e6c03 /toys/net/rfkill.c | |
parent | 0713e4b89f7c7339e060d54db1b877b709d985a1 (diff) | |
download | toybox-746e565c097ed311ebb65842ac8a6527535993a7.tar.gz |
Promote netsat, and move ifconfig, netcat, and rfkill to new toys/net directory.
Diffstat (limited to 'toys/net/rfkill.c')
-rw-r--r-- | toys/net/rfkill.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/toys/net/rfkill.c b/toys/net/rfkill.c new file mode 100644 index 00000000..36fe320d --- /dev/null +++ b/toys/net/rfkill.c @@ -0,0 +1,102 @@ +/* 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_USR|TOYFLAG_SBIN)) + +config RFKILL + bool "rfkill" + default y + help + Usage: rfkill COMMAND [DEVICE] + + Enable/disable wireless devices. + + Commands: + list [DEVICE] List current state + block DEVICE Disable device + unblock DEVICE Enable device + + DEVICE is an index number, or one of: + all, wlan(wifi), bluetooth, uwb(ultrawideband), wimax, wwan, gps, fm. +*/ + +#define FOR_rfkill +#include "toys.h" +#include <linux/rfkill.h> + +void rfkill_main(void) +{ + struct rfkill_event rfevent; + int fd, tvar, idx = -1, tid = RFKILL_TYPE_ALL; + char **optargs = toys.optargs; + + // Parse command line options + for (tvar = 0; tvar < 3; tvar++) + if (!strcmp((char *[]){"list", "block", "unblock"}[tvar], *optargs)) break; + if (tvar == 3) error_exit("unknown cmd '%s'", *optargs); + if (tvar) { + int i; + struct arglist { + char *name; + int idx; + } 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}}; // RFKILL_TYPE_FM = 7 + + if (!*++optargs) error_exit("'%s' needs IDENTIFIER", optargs[-1]); + for (i = 0; i < ARRAY_LEN(rftypes); i++) + if (!strcmp(rftypes[i].name, *optargs)) break; + if (i == ARRAY_LEN(rftypes)) idx = atolx_range(*optargs, 0, INT_MAX); + else tid = rftypes[i].idx; + } + + // Perform requested action + fd = xopen("/dev/rfkill", (tvar ? O_RDWR : O_RDONLY)|O_NONBLOCK); + if (tvar) { + // block/unblock + memset(&rfevent, 0, sizeof(rfevent)); + rfevent.soft = tvar == 1; + if (idx >= 0) { + rfevent.idx = idx; + rfevent.op = RFKILL_OP_CHANGE; + } else { + rfevent.type = tid; + rfevent.op = RFKILL_OP_CHANGE_ALL; + } + xwrite(fd, &rfevent, sizeof(rfevent)); + } else { + // show list. + while (sizeof(rfevent) == readall(fd, &rfevent, sizeof(rfevent))) { + char *line, *name = 0, *type = 0; + + // filter 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))) { + char *s = line; + + if (strstart(&s, "RFKILL_NAME=")) name = xstrdup(s); + else if (strstart(&s, "RFKILL_TYPE=")) type = xstrdup(s); + + free(line); + } + xclose(tvar); + + 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"); + free(name); + free(type); + } + } + xclose(fd); +} |