diff options
| -rw-r--r-- | toys/pending/rfkill.c | 108 |
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); +} |