diff options
| -rw-r--r-- | toys/pending/rfkill.c | 108 |
1 files changed, 51 insertions, 57 deletions
diff --git a/toys/pending/rfkill.c b/toys/pending/rfkill.c index a5af78e2..04f7208e 100644 --- a/toys/pending/rfkill.c +++ b/toys/pending/rfkill.c @@ -11,97 +11,91 @@ config RFKILL bool "rfkill" default n help - Usage: rfkill COMMAND + Usage: rfkill COMMAND [DEVICE] Enable/disable wireless devices. Commands: - list [IDENTIFIER] List current state - block IDENTIFIER Disable device - unblock IDENTIFIER Enable device + list [DEVICE] List current state + block DEVICE Disable device + unblock DEVICE 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. + 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> -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 + // 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 ((tid = getidx(&optargs, rftypes)) == -1) - idx = atolx_range(*optargs, 0, INT_MAX); + if (!*++optargs) error_exit("'%s' needs IDENTIFIER"); + 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; } - fd = xcreate("/dev/rfkill", (tvar ? O_RDWR : O_RDONLY)|O_NONBLOCK, 0600); + + // 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 (tid != -1) { - rfevent.type = tid; - rfevent.op = RFKILL_OP_CHANGE_ALL; - } else if (idx >= 0) { + 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. + } else { + // show list. while (sizeof(rfevent) == readall(fd, &rfevent, sizeof(rfevent))) { - char *line = NULL, *name = NULL, *type = NULL; + char *line, *name = 0, *type = 0; + + // filter list items + if ((tid > 0 && tid != rfevent.type) || (idx != -1 && idx != rfevent.idx)) + continue; - // 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); + 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"); - xclose(tvar); - free(name), free(type); + free(name); + free(type); } } xclose(fd); |