xref: /freebsd/contrib/wpa/hostapd/hostapd_cli.c (revision 71ceff9f0b4a3add236a6458da0ea3671fedd0a1)
1 /*
2  * hostapd - command line interface for hostapd daemon
3  * Copyright (c) 2004-2019, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #include "includes.h"
10 #include <dirent.h>
11 
12 #include "common/wpa_ctrl.h"
13 #include "common/ieee802_11_defs.h"
14 #include "utils/common.h"
15 #include "utils/eloop.h"
16 #include "utils/edit.h"
17 #include "common/version.h"
18 #include "common/cli.h"
19 
20 #ifndef CONFIG_NO_CTRL_IFACE
21 
22 static const char *const hostapd_cli_version =
23 "hostapd_cli v" VERSION_STR "\n"
24 "Copyright (c) 2004-2019, Jouni Malinen <j@w1.fi> and contributors";
25 
26 static struct wpa_ctrl *ctrl_conn;
27 static int hostapd_cli_quit = 0;
28 static int hostapd_cli_attached = 0;
29 
30 #ifndef CONFIG_CTRL_IFACE_DIR
31 #define CONFIG_CTRL_IFACE_DIR "/var/run/hostapd"
32 #endif /* CONFIG_CTRL_IFACE_DIR */
33 static const char *ctrl_iface_dir = CONFIG_CTRL_IFACE_DIR;
34 static const char *client_socket_dir = NULL;
35 
36 static char *ctrl_ifname = NULL;
37 static const char *pid_file = NULL;
38 static const char *action_file = NULL;
39 static int ping_interval = 5;
40 static int interactive = 0;
41 static int event_handler_registered = 0;
42 
43 static DEFINE_DL_LIST(stations); /* struct cli_txt_entry */
44 
45 static void print_help(FILE *stream, const char *cmd);
46 static char ** list_cmd_list(void);
47 static void hostapd_cli_receive(int sock, void *eloop_ctx, void *sock_ctx);
48 static void update_stations(struct wpa_ctrl *ctrl);
49 static void cli_event(const char *str);
50 
51 
52 static void usage(void)
53 {
54 	fprintf(stderr, "%s\n", hostapd_cli_version);
55 	fprintf(stderr,
56 		"\n"
57 		"usage: hostapd_cli [-p<path>] [-i<ifname>] [-hvB] "
58 		"[-a<path>] \\\n"
59 		"                   [-P<pid file>] [-G<ping interval>] [command..]\n"
60 		"\n"
61 		"Options:\n"
62 		"   -h           help (show this usage text)\n"
63 		"   -v           shown version information\n"
64 		"   -p<path>     path to find control sockets (default: "
65 		"/var/run/hostapd)\n"
66 		"   -s<dir_path> dir path to open client sockets (default: "
67 		CONFIG_CTRL_IFACE_DIR ")\n"
68 		"   -a<file>     run in daemon mode executing the action file "
69 		"based on events\n"
70 		"                from hostapd\n"
71 		"   -B           run a daemon in the background\n"
72 		"   -i<ifname>   Interface to listen on (default: first "
73 		"interface found in the\n"
74 		"                socket path)\n\n");
75 	print_help(stderr, NULL);
76 }
77 
78 
79 static void register_event_handler(struct wpa_ctrl *ctrl)
80 {
81 	if (!ctrl_conn)
82 		return;
83 	if (interactive) {
84 		event_handler_registered =
85 			!eloop_register_read_sock(wpa_ctrl_get_fd(ctrl),
86 						  hostapd_cli_receive,
87 						  NULL, NULL);
88 	}
89 }
90 
91 
92 static void unregister_event_handler(struct wpa_ctrl *ctrl)
93 {
94 	if (!ctrl_conn)
95 		return;
96 	if (interactive && event_handler_registered) {
97 		eloop_unregister_read_sock(wpa_ctrl_get_fd(ctrl));
98 		event_handler_registered = 0;
99 	}
100 }
101 
102 
103 static struct wpa_ctrl * hostapd_cli_open_connection(const char *ifname)
104 {
105 #ifndef CONFIG_CTRL_IFACE_UDP
106 	char *cfile;
107 	int flen;
108 #endif /* !CONFIG_CTRL_IFACE_UDP */
109 
110 	if (ifname == NULL)
111 		return NULL;
112 
113 #ifdef CONFIG_CTRL_IFACE_UDP
114 	ctrl_conn = wpa_ctrl_open(ifname);
115 	return ctrl_conn;
116 #else /* CONFIG_CTRL_IFACE_UDP */
117 	flen = strlen(ctrl_iface_dir) + strlen(ifname) + 2;
118 	cfile = malloc(flen);
119 	if (cfile == NULL)
120 		return NULL;
121 	snprintf(cfile, flen, "%s/%s", ctrl_iface_dir, ifname);
122 
123 	if (client_socket_dir && client_socket_dir[0] &&
124 	    access(client_socket_dir, F_OK) < 0) {
125 		perror(client_socket_dir);
126 		free(cfile);
127 		return NULL;
128 	}
129 
130 	ctrl_conn = wpa_ctrl_open2(cfile, client_socket_dir);
131 	free(cfile);
132 	return ctrl_conn;
133 #endif /* CONFIG_CTRL_IFACE_UDP */
134 }
135 
136 
137 static void hostapd_cli_close_connection(void)
138 {
139 	if (ctrl_conn == NULL)
140 		return;
141 
142 	unregister_event_handler(ctrl_conn);
143 	if (hostapd_cli_attached) {
144 		wpa_ctrl_detach(ctrl_conn);
145 		hostapd_cli_attached = 0;
146 	}
147 	wpa_ctrl_close(ctrl_conn);
148 	ctrl_conn = NULL;
149 }
150 
151 
152 static int hostapd_cli_reconnect(const char *ifname)
153 {
154 	char *next_ctrl_ifname;
155 
156 	hostapd_cli_close_connection();
157 
158 	if (!ifname)
159 		return -1;
160 
161 	next_ctrl_ifname = os_strdup(ifname);
162 	os_free(ctrl_ifname);
163 	ctrl_ifname = next_ctrl_ifname;
164 	if (!ctrl_ifname)
165 		return -1;
166 
167 	ctrl_conn = hostapd_cli_open_connection(ctrl_ifname);
168 	if (!ctrl_conn)
169 		return -1;
170 	if (!interactive && !action_file)
171 		return 0;
172 	if (wpa_ctrl_attach(ctrl_conn) == 0) {
173 		hostapd_cli_attached = 1;
174 		register_event_handler(ctrl_conn);
175 		update_stations(ctrl_conn);
176 	} else {
177 		printf("Warning: Failed to attach to hostapd.\n");
178 	}
179 	return 0;
180 }
181 
182 
183 static void hostapd_cli_msg_cb(char *msg, size_t len)
184 {
185 	cli_event(msg);
186 	printf("%s\n", msg);
187 }
188 
189 
190 static int _wpa_ctrl_command(struct wpa_ctrl *ctrl, const char *cmd, int print)
191 {
192 	char buf[4096];
193 	size_t len;
194 	int ret;
195 
196 	if (ctrl_conn == NULL) {
197 		printf("Not connected to hostapd - command dropped.\n");
198 		return -1;
199 	}
200 	len = sizeof(buf) - 1;
201 	ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
202 			       hostapd_cli_msg_cb);
203 	if (ret == -2) {
204 		printf("'%s' command timed out.\n", cmd);
205 		return -2;
206 	} else if (ret < 0) {
207 		printf("'%s' command failed.\n", cmd);
208 		return -1;
209 	}
210 	if (print) {
211 		buf[len] = '\0';
212 		printf("%s", buf);
213 	}
214 	return 0;
215 }
216 
217 
218 static inline int wpa_ctrl_command(struct wpa_ctrl *ctrl, const char *cmd)
219 {
220 	return _wpa_ctrl_command(ctrl, cmd, 1);
221 }
222 
223 
224 static int hostapd_cli_cmd(struct wpa_ctrl *ctrl, const char *cmd,
225 			   int min_args, int argc, char *argv[])
226 {
227 	char buf[4096];
228 
229 	if (argc < min_args) {
230 		printf("Invalid %s command - at least %d argument%s required.\n",
231 		       cmd, min_args, min_args > 1 ? "s are" : " is");
232 		return -1;
233 	}
234 	if (write_cmd(buf, sizeof(buf), cmd, argc, argv) < 0)
235 		return -1;
236 	return wpa_ctrl_command(ctrl, buf);
237 }
238 
239 
240 static int hostapd_cli_cmd_ping(struct wpa_ctrl *ctrl, int argc, char *argv[])
241 {
242 	return wpa_ctrl_command(ctrl, "PING");
243 }
244 
245 
246 static int hostapd_cli_cmd_relog(struct wpa_ctrl *ctrl, int argc, char *argv[])
247 {
248 	return wpa_ctrl_command(ctrl, "RELOG");
249 }
250 
251 
252 static int hostapd_cli_cmd_status(struct wpa_ctrl *ctrl, int argc, char *argv[])
253 {
254 	if (argc > 0 && os_strcmp(argv[0], "driver") == 0)
255 		return wpa_ctrl_command(ctrl, "STATUS-DRIVER");
256 	return wpa_ctrl_command(ctrl, "STATUS");
257 }
258 
259 
260 static int hostapd_cli_cmd_mib(struct wpa_ctrl *ctrl, int argc, char *argv[])
261 {
262 	if (argc > 0) {
263 		char buf[100];
264 		os_snprintf(buf, sizeof(buf), "MIB %s", argv[0]);
265 		return wpa_ctrl_command(ctrl, buf);
266 	}
267 	return wpa_ctrl_command(ctrl, "MIB");
268 }
269 
270 
271 static int hostapd_cli_exec(const char *program, const char *arg1,
272 			    const char *arg2)
273 {
274 	char *arg;
275 	size_t len;
276 	int res;
277 
278 	len = os_strlen(arg1) + os_strlen(arg2) + 2;
279 	arg = os_malloc(len);
280 	if (arg == NULL)
281 		return -1;
282 	os_snprintf(arg, len, "%s %s", arg1, arg2);
283 	res = os_exec(program, arg, 1);
284 	os_free(arg);
285 
286 	return res;
287 }
288 
289 
290 static void hostapd_cli_action_process(char *msg, size_t len)
291 {
292 	const char *pos;
293 
294 	pos = msg;
295 	if (*pos == '<') {
296 		pos = os_strchr(pos, '>');
297 		if (pos)
298 			pos++;
299 		else
300 			pos = msg;
301 	}
302 
303 	hostapd_cli_exec(action_file, ctrl_ifname, pos);
304 }
305 
306 
307 static int hostapd_cli_cmd_sta(struct wpa_ctrl *ctrl, int argc, char *argv[])
308 {
309 	char buf[64];
310 	if (argc < 1) {
311 		printf("Invalid 'sta' command - at least one argument, STA "
312 		       "address, is required.\n");
313 		return -1;
314 	}
315 	if (argc > 1)
316 		snprintf(buf, sizeof(buf), "STA %s %s", argv[0], argv[1]);
317 	else
318 		snprintf(buf, sizeof(buf), "STA %s", argv[0]);
319 	return wpa_ctrl_command(ctrl, buf);
320 }
321 
322 
323 static char ** hostapd_complete_stations(const char *str, int pos)
324 {
325 	int arg = get_cmd_arg_num(str, pos);
326 	char **res = NULL;
327 
328 	switch (arg) {
329 	case 1:
330 		res = cli_txt_list_array(&stations);
331 		break;
332 	}
333 
334 	return res;
335 }
336 
337 
338 static int hostapd_cli_cmd_new_sta(struct wpa_ctrl *ctrl, int argc,
339 				   char *argv[])
340 {
341 	char buf[64];
342 	if (argc != 1) {
343 		printf("Invalid 'new_sta' command - exactly one argument, STA "
344 		       "address, is required.\n");
345 		return -1;
346 	}
347 	snprintf(buf, sizeof(buf), "NEW_STA %s", argv[0]);
348 	return wpa_ctrl_command(ctrl, buf);
349 }
350 
351 
352 static int hostapd_cli_cmd_deauthenticate(struct wpa_ctrl *ctrl, int argc,
353 					  char *argv[])
354 {
355 	char buf[64];
356 	if (argc < 1) {
357 		printf("Invalid 'deauthenticate' command - exactly one "
358 		       "argument, STA address, is required.\n");
359 		return -1;
360 	}
361 	if (argc > 1)
362 		os_snprintf(buf, sizeof(buf), "DEAUTHENTICATE %s %s",
363 			    argv[0], argv[1]);
364 	else
365 		os_snprintf(buf, sizeof(buf), "DEAUTHENTICATE %s", argv[0]);
366 	return wpa_ctrl_command(ctrl, buf);
367 }
368 
369 
370 static int hostapd_cli_cmd_disassociate(struct wpa_ctrl *ctrl, int argc,
371 					char *argv[])
372 {
373 	char buf[64];
374 	if (argc < 1) {
375 		printf("Invalid 'disassociate' command - exactly one "
376 		       "argument, STA address, is required.\n");
377 		return -1;
378 	}
379 	if (argc > 1)
380 		os_snprintf(buf, sizeof(buf), "DISASSOCIATE %s %s",
381 			    argv[0], argv[1]);
382 	else
383 		os_snprintf(buf, sizeof(buf), "DISASSOCIATE %s", argv[0]);
384 	return wpa_ctrl_command(ctrl, buf);
385 }
386 
387 
388 #ifdef CONFIG_TAXONOMY
389 static int hostapd_cli_cmd_signature(struct wpa_ctrl *ctrl, int argc,
390 				     char *argv[])
391 {
392 	char buf[64];
393 
394 	if (argc != 1) {
395 		printf("Invalid 'signature' command - exactly one argument, STA address, is required.\n");
396 		return -1;
397 	}
398 	os_snprintf(buf, sizeof(buf), "SIGNATURE %s", argv[0]);
399 	return wpa_ctrl_command(ctrl, buf);
400 }
401 #endif /* CONFIG_TAXONOMY */
402 
403 
404 #ifdef CONFIG_IEEE80211W
405 static int hostapd_cli_cmd_sa_query(struct wpa_ctrl *ctrl, int argc,
406 				    char *argv[])
407 {
408 	char buf[64];
409 	if (argc != 1) {
410 		printf("Invalid 'sa_query' command - exactly one argument, "
411 		       "STA address, is required.\n");
412 		return -1;
413 	}
414 	snprintf(buf, sizeof(buf), "SA_QUERY %s", argv[0]);
415 	return wpa_ctrl_command(ctrl, buf);
416 }
417 #endif /* CONFIG_IEEE80211W */
418 
419 
420 #ifdef CONFIG_WPS
421 static int hostapd_cli_cmd_wps_pin(struct wpa_ctrl *ctrl, int argc,
422 				   char *argv[])
423 {
424 	char buf[256];
425 	if (argc < 2) {
426 		printf("Invalid 'wps_pin' command - at least two arguments, "
427 		       "UUID and PIN, are required.\n");
428 		return -1;
429 	}
430 	if (argc > 3)
431 		snprintf(buf, sizeof(buf), "WPS_PIN %s %s %s %s",
432 			 argv[0], argv[1], argv[2], argv[3]);
433 	else if (argc > 2)
434 		snprintf(buf, sizeof(buf), "WPS_PIN %s %s %s",
435 			 argv[0], argv[1], argv[2]);
436 	else
437 		snprintf(buf, sizeof(buf), "WPS_PIN %s %s", argv[0], argv[1]);
438 	return wpa_ctrl_command(ctrl, buf);
439 }
440 
441 
442 static int hostapd_cli_cmd_wps_check_pin(struct wpa_ctrl *ctrl, int argc,
443 					 char *argv[])
444 {
445 	char cmd[256];
446 	int res;
447 
448 	if (argc != 1 && argc != 2) {
449 		printf("Invalid WPS_CHECK_PIN command: needs one argument:\n"
450 		       "- PIN to be verified\n");
451 		return -1;
452 	}
453 
454 	if (argc == 2)
455 		res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s %s",
456 				  argv[0], argv[1]);
457 	else
458 		res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s",
459 				  argv[0]);
460 	if (os_snprintf_error(sizeof(cmd), res)) {
461 		printf("Too long WPS_CHECK_PIN command.\n");
462 		return -1;
463 	}
464 	return wpa_ctrl_command(ctrl, cmd);
465 }
466 
467 
468 static int hostapd_cli_cmd_wps_pbc(struct wpa_ctrl *ctrl, int argc,
469 				   char *argv[])
470 {
471 	return wpa_ctrl_command(ctrl, "WPS_PBC");
472 }
473 
474 
475 static int hostapd_cli_cmd_wps_cancel(struct wpa_ctrl *ctrl, int argc,
476 				      char *argv[])
477 {
478 	return wpa_ctrl_command(ctrl, "WPS_CANCEL");
479 }
480 
481 
482 #ifdef CONFIG_WPS_NFC
483 static int hostapd_cli_cmd_wps_nfc_tag_read(struct wpa_ctrl *ctrl, int argc,
484 					    char *argv[])
485 {
486 	int ret;
487 	char *buf;
488 	size_t buflen;
489 
490 	if (argc != 1) {
491 		printf("Invalid 'wps_nfc_tag_read' command - one argument "
492 		       "is required.\n");
493 		return -1;
494 	}
495 
496 	buflen = 18 + os_strlen(argv[0]);
497 	buf = os_malloc(buflen);
498 	if (buf == NULL)
499 		return -1;
500 	os_snprintf(buf, buflen, "WPS_NFC_TAG_READ %s", argv[0]);
501 
502 	ret = wpa_ctrl_command(ctrl, buf);
503 	os_free(buf);
504 
505 	return ret;
506 }
507 
508 
509 static int hostapd_cli_cmd_wps_nfc_config_token(struct wpa_ctrl *ctrl,
510 						int argc, char *argv[])
511 {
512 	char cmd[64];
513 	int res;
514 
515 	if (argc != 1) {
516 		printf("Invalid 'wps_nfc_config_token' command - one argument "
517 		       "is required.\n");
518 		return -1;
519 	}
520 
521 	res = os_snprintf(cmd, sizeof(cmd), "WPS_NFC_CONFIG_TOKEN %s",
522 			  argv[0]);
523 	if (os_snprintf_error(sizeof(cmd), res)) {
524 		printf("Too long WPS_NFC_CONFIG_TOKEN command.\n");
525 		return -1;
526 	}
527 	return wpa_ctrl_command(ctrl, cmd);
528 }
529 
530 
531 static int hostapd_cli_cmd_wps_nfc_token(struct wpa_ctrl *ctrl,
532 					 int argc, char *argv[])
533 {
534 	char cmd[64];
535 	int res;
536 
537 	if (argc != 1) {
538 		printf("Invalid 'wps_nfc_token' command - one argument is "
539 		       "required.\n");
540 		return -1;
541 	}
542 
543 	res = os_snprintf(cmd, sizeof(cmd), "WPS_NFC_TOKEN %s", argv[0]);
544 	if (os_snprintf_error(sizeof(cmd), res)) {
545 		printf("Too long WPS_NFC_TOKEN command.\n");
546 		return -1;
547 	}
548 	return wpa_ctrl_command(ctrl, cmd);
549 }
550 
551 
552 static int hostapd_cli_cmd_nfc_get_handover_sel(struct wpa_ctrl *ctrl,
553 						int argc, char *argv[])
554 {
555 	char cmd[64];
556 	int res;
557 
558 	if (argc != 2) {
559 		printf("Invalid 'nfc_get_handover_sel' command - two arguments "
560 		       "are required.\n");
561 		return -1;
562 	}
563 
564 	res = os_snprintf(cmd, sizeof(cmd), "NFC_GET_HANDOVER_SEL %s %s",
565 			  argv[0], argv[1]);
566 	if (os_snprintf_error(sizeof(cmd), res)) {
567 		printf("Too long NFC_GET_HANDOVER_SEL command.\n");
568 		return -1;
569 	}
570 	return wpa_ctrl_command(ctrl, cmd);
571 }
572 
573 #endif /* CONFIG_WPS_NFC */
574 
575 
576 static int hostapd_cli_cmd_wps_ap_pin(struct wpa_ctrl *ctrl, int argc,
577 				      char *argv[])
578 {
579 	char buf[64];
580 	if (argc < 1) {
581 		printf("Invalid 'wps_ap_pin' command - at least one argument "
582 		       "is required.\n");
583 		return -1;
584 	}
585 	if (argc > 2)
586 		snprintf(buf, sizeof(buf), "WPS_AP_PIN %s %s %s",
587 			 argv[0], argv[1], argv[2]);
588 	else if (argc > 1)
589 		snprintf(buf, sizeof(buf), "WPS_AP_PIN %s %s",
590 			 argv[0], argv[1]);
591 	else
592 		snprintf(buf, sizeof(buf), "WPS_AP_PIN %s", argv[0]);
593 	return wpa_ctrl_command(ctrl, buf);
594 }
595 
596 
597 static int hostapd_cli_cmd_wps_get_status(struct wpa_ctrl *ctrl, int argc,
598 					  char *argv[])
599 {
600 	return wpa_ctrl_command(ctrl, "WPS_GET_STATUS");
601 }
602 
603 
604 static int hostapd_cli_cmd_wps_config(struct wpa_ctrl *ctrl, int argc,
605 				      char *argv[])
606 {
607 	char buf[256];
608 	char ssid_hex[2 * SSID_MAX_LEN + 1];
609 	char key_hex[2 * 64 + 1];
610 	int i;
611 
612 	if (argc < 1) {
613 		printf("Invalid 'wps_config' command - at least two arguments "
614 		       "are required.\n");
615 		return -1;
616 	}
617 
618 	ssid_hex[0] = '\0';
619 	for (i = 0; i < SSID_MAX_LEN; i++) {
620 		if (argv[0][i] == '\0')
621 			break;
622 		os_snprintf(&ssid_hex[i * 2], 3, "%02x", argv[0][i]);
623 	}
624 
625 	key_hex[0] = '\0';
626 	if (argc > 3) {
627 		for (i = 0; i < 64; i++) {
628 			if (argv[3][i] == '\0')
629 				break;
630 			os_snprintf(&key_hex[i * 2], 3, "%02x",
631 				    argv[3][i]);
632 		}
633 	}
634 
635 	if (argc > 3)
636 		snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s %s %s",
637 			 ssid_hex, argv[1], argv[2], key_hex);
638 	else if (argc > 2)
639 		snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s %s",
640 			 ssid_hex, argv[1], argv[2]);
641 	else
642 		snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s",
643 			 ssid_hex, argv[1]);
644 	return wpa_ctrl_command(ctrl, buf);
645 }
646 #endif /* CONFIG_WPS */
647 
648 
649 static int hostapd_cli_cmd_disassoc_imminent(struct wpa_ctrl *ctrl, int argc,
650 					     char *argv[])
651 {
652 	char buf[300];
653 	int res;
654 
655 	if (argc < 2) {
656 		printf("Invalid 'disassoc_imminent' command - two arguments "
657 		       "(STA addr and Disassociation Timer) are needed\n");
658 		return -1;
659 	}
660 
661 	res = os_snprintf(buf, sizeof(buf), "DISASSOC_IMMINENT %s %s",
662 			  argv[0], argv[1]);
663 	if (os_snprintf_error(sizeof(buf), res))
664 		return -1;
665 	return wpa_ctrl_command(ctrl, buf);
666 }
667 
668 
669 static int hostapd_cli_cmd_ess_disassoc(struct wpa_ctrl *ctrl, int argc,
670 					char *argv[])
671 {
672 	char buf[300];
673 	int res;
674 
675 	if (argc < 3) {
676 		printf("Invalid 'ess_disassoc' command - three arguments (STA "
677 		       "addr, disassoc timer, and URL) are needed\n");
678 		return -1;
679 	}
680 
681 	res = os_snprintf(buf, sizeof(buf), "ESS_DISASSOC %s %s %s",
682 			  argv[0], argv[1], argv[2]);
683 	if (os_snprintf_error(sizeof(buf), res))
684 		return -1;
685 	return wpa_ctrl_command(ctrl, buf);
686 }
687 
688 
689 static int hostapd_cli_cmd_bss_tm_req(struct wpa_ctrl *ctrl, int argc,
690 				      char *argv[])
691 {
692 	char buf[2000], *tmp;
693 	int res, i, total;
694 
695 	if (argc < 1) {
696 		printf("Invalid 'bss_tm_req' command - at least one argument (STA addr) is needed\n");
697 		return -1;
698 	}
699 
700 	res = os_snprintf(buf, sizeof(buf), "BSS_TM_REQ %s", argv[0]);
701 	if (os_snprintf_error(sizeof(buf), res))
702 		return -1;
703 
704 	total = res;
705 	for (i = 1; i < argc; i++) {
706 		tmp = &buf[total];
707 		res = os_snprintf(tmp, sizeof(buf) - total, " %s", argv[i]);
708 		if (os_snprintf_error(sizeof(buf) - total, res))
709 			return -1;
710 		total += res;
711 	}
712 	return wpa_ctrl_command(ctrl, buf);
713 }
714 
715 
716 static int hostapd_cli_cmd_get_config(struct wpa_ctrl *ctrl, int argc,
717 				      char *argv[])
718 {
719 	return wpa_ctrl_command(ctrl, "GET_CONFIG");
720 }
721 
722 
723 static int wpa_ctrl_command_sta(struct wpa_ctrl *ctrl, const char *cmd,
724 				char *addr, size_t addr_len, int print)
725 {
726 	char buf[4096], *pos;
727 	size_t len;
728 	int ret;
729 
730 	if (ctrl_conn == NULL) {
731 		printf("Not connected to hostapd - command dropped.\n");
732 		return -1;
733 	}
734 	len = sizeof(buf) - 1;
735 	ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
736 			       hostapd_cli_msg_cb);
737 	if (ret == -2) {
738 		printf("'%s' command timed out.\n", cmd);
739 		return -2;
740 	} else if (ret < 0) {
741 		printf("'%s' command failed.\n", cmd);
742 		return -1;
743 	}
744 
745 	buf[len] = '\0';
746 	if (memcmp(buf, "FAIL", 4) == 0)
747 		return -1;
748 	if (print)
749 		printf("%s", buf);
750 
751 	pos = buf;
752 	while (*pos != '\0' && *pos != '\n')
753 		pos++;
754 	*pos = '\0';
755 	os_strlcpy(addr, buf, addr_len);
756 	return 0;
757 }
758 
759 
760 static int hostapd_cli_cmd_all_sta(struct wpa_ctrl *ctrl, int argc,
761 				   char *argv[])
762 {
763 	char addr[32], cmd[64];
764 
765 	if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr), 1))
766 		return 0;
767 	do {
768 		snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
769 	} while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 1) == 0);
770 
771 	return -1;
772 }
773 
774 
775 static int hostapd_cli_cmd_list_sta(struct wpa_ctrl *ctrl, int argc,
776 				    char *argv[])
777 {
778 	char addr[32], cmd[64];
779 
780 	if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr), 0))
781 		return 0;
782 	do {
783 		if (os_strcmp(addr, "") != 0)
784 			printf("%s\n", addr);
785 		os_snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
786 	} while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 0) == 0);
787 
788 	return 0;
789 }
790 
791 
792 static int hostapd_cli_cmd_help(struct wpa_ctrl *ctrl, int argc, char *argv[])
793 {
794 	print_help(stdout, argc > 0 ? argv[0] : NULL);
795 	return 0;
796 }
797 
798 
799 static char ** hostapd_cli_complete_help(const char *str, int pos)
800 {
801 	int arg = get_cmd_arg_num(str, pos);
802 	char **res = NULL;
803 
804 	switch (arg) {
805 	case 1:
806 		res = list_cmd_list();
807 		break;
808 	}
809 
810 	return res;
811 }
812 
813 
814 static int hostapd_cli_cmd_license(struct wpa_ctrl *ctrl, int argc,
815 				   char *argv[])
816 {
817 	printf("%s\n\n%s\n", hostapd_cli_version, cli_full_license);
818 	return 0;
819 }
820 
821 
822 static int hostapd_cli_cmd_set_qos_map_set(struct wpa_ctrl *ctrl,
823 					   int argc, char *argv[])
824 {
825 	char buf[200];
826 	int res;
827 
828 	if (argc != 1) {
829 		printf("Invalid 'set_qos_map_set' command - "
830 		       "one argument (comma delimited QoS map set) "
831 		       "is needed\n");
832 		return -1;
833 	}
834 
835 	res = os_snprintf(buf, sizeof(buf), "SET_QOS_MAP_SET %s", argv[0]);
836 	if (os_snprintf_error(sizeof(buf), res))
837 		return -1;
838 	return wpa_ctrl_command(ctrl, buf);
839 }
840 
841 
842 static int hostapd_cli_cmd_send_qos_map_conf(struct wpa_ctrl *ctrl,
843 					     int argc, char *argv[])
844 {
845 	char buf[50];
846 	int res;
847 
848 	if (argc != 1) {
849 		printf("Invalid 'send_qos_map_conf' command - "
850 		       "one argument (STA addr) is needed\n");
851 		return -1;
852 	}
853 
854 	res = os_snprintf(buf, sizeof(buf), "SEND_QOS_MAP_CONF %s", argv[0]);
855 	if (os_snprintf_error(sizeof(buf), res))
856 		return -1;
857 	return wpa_ctrl_command(ctrl, buf);
858 }
859 
860 
861 static int hostapd_cli_cmd_hs20_wnm_notif(struct wpa_ctrl *ctrl, int argc,
862 					  char *argv[])
863 {
864 	char buf[300];
865 	int res;
866 
867 	if (argc < 2) {
868 		printf("Invalid 'hs20_wnm_notif' command - two arguments (STA "
869 		       "addr and URL) are needed\n");
870 		return -1;
871 	}
872 
873 	res = os_snprintf(buf, sizeof(buf), "HS20_WNM_NOTIF %s %s",
874 			  argv[0], argv[1]);
875 	if (os_snprintf_error(sizeof(buf), res))
876 		return -1;
877 	return wpa_ctrl_command(ctrl, buf);
878 }
879 
880 
881 static int hostapd_cli_cmd_hs20_deauth_req(struct wpa_ctrl *ctrl, int argc,
882 					   char *argv[])
883 {
884 	char buf[300];
885 	int res;
886 
887 	if (argc < 3) {
888 		printf("Invalid 'hs20_deauth_req' command - at least three arguments (STA addr, Code, Re-auth Delay) are needed\n");
889 		return -1;
890 	}
891 
892 	if (argc > 3)
893 		res = os_snprintf(buf, sizeof(buf),
894 				  "HS20_DEAUTH_REQ %s %s %s %s",
895 				  argv[0], argv[1], argv[2], argv[3]);
896 	else
897 		res = os_snprintf(buf, sizeof(buf),
898 				  "HS20_DEAUTH_REQ %s %s %s",
899 				  argv[0], argv[1], argv[2]);
900 	if (os_snprintf_error(sizeof(buf), res))
901 		return -1;
902 	return wpa_ctrl_command(ctrl, buf);
903 }
904 
905 
906 static int hostapd_cli_cmd_quit(struct wpa_ctrl *ctrl, int argc, char *argv[])
907 {
908 	hostapd_cli_quit = 1;
909 	if (interactive)
910 		eloop_terminate();
911 	return 0;
912 }
913 
914 
915 static int hostapd_cli_cmd_level(struct wpa_ctrl *ctrl, int argc, char *argv[])
916 {
917 	char cmd[256];
918 	if (argc != 1) {
919 		printf("Invalid LEVEL command: needs one argument (debug "
920 		       "level)\n");
921 		return 0;
922 	}
923 	snprintf(cmd, sizeof(cmd), "LEVEL %s", argv[0]);
924 	return wpa_ctrl_command(ctrl, cmd);
925 }
926 
927 
928 static void update_stations(struct wpa_ctrl *ctrl)
929 {
930 	char addr[32], cmd[64];
931 
932 	if (!ctrl || !interactive)
933 		return;
934 
935 	cli_txt_list_flush(&stations);
936 
937 	if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr), 0))
938 		return;
939 	do {
940 		if (os_strcmp(addr, "") != 0)
941 			cli_txt_list_add(&stations, addr);
942 		os_snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
943 	} while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 0) == 0);
944 }
945 
946 
947 static void hostapd_cli_get_interfaces(struct wpa_ctrl *ctrl,
948 				       struct dl_list *interfaces)
949 {
950 	struct dirent *dent;
951 	DIR *dir;
952 
953 	if (!ctrl || !interfaces)
954 		return;
955 	dir = opendir(ctrl_iface_dir);
956 	if (dir == NULL)
957 		return;
958 
959 	while ((dent = readdir(dir))) {
960 		if (strcmp(dent->d_name, ".") == 0 ||
961 		    strcmp(dent->d_name, "..") == 0)
962 			continue;
963 		cli_txt_list_add(interfaces, dent->d_name);
964 	}
965 	closedir(dir);
966 }
967 
968 
969 static void hostapd_cli_list_interfaces(struct wpa_ctrl *ctrl)
970 {
971 	struct dirent *dent;
972 	DIR *dir;
973 
974 	dir = opendir(ctrl_iface_dir);
975 	if (dir == NULL) {
976 		printf("Control interface directory '%s' could not be "
977 		       "openned.\n", ctrl_iface_dir);
978 		return;
979 	}
980 
981 	printf("Available interfaces:\n");
982 	while ((dent = readdir(dir))) {
983 		if (strcmp(dent->d_name, ".") == 0 ||
984 		    strcmp(dent->d_name, "..") == 0)
985 			continue;
986 		printf("%s\n", dent->d_name);
987 	}
988 	closedir(dir);
989 }
990 
991 
992 static int hostapd_cli_cmd_interface(struct wpa_ctrl *ctrl, int argc,
993 				     char *argv[])
994 {
995 	if (argc < 1) {
996 		hostapd_cli_list_interfaces(ctrl);
997 		return 0;
998 	}
999 	if (hostapd_cli_reconnect(argv[0]) != 0) {
1000 		printf("Could not connect to interface '%s' - re-trying\n",
1001 			ctrl_ifname);
1002 	}
1003 	return 0;
1004 }
1005 
1006 
1007 static char ** hostapd_complete_interface(const char *str, int pos)
1008 {
1009 	int arg = get_cmd_arg_num(str, pos);
1010 	char **res = NULL;
1011 	DEFINE_DL_LIST(interfaces);
1012 
1013 	switch (arg) {
1014 	case 1:
1015 		hostapd_cli_get_interfaces(ctrl_conn, &interfaces);
1016 		res = cli_txt_list_array(&interfaces);
1017 		cli_txt_list_flush(&interfaces);
1018 		break;
1019 	}
1020 
1021 	return res;
1022 }
1023 
1024 
1025 static int hostapd_cli_cmd_set(struct wpa_ctrl *ctrl, int argc, char *argv[])
1026 {
1027 	char cmd[2048];
1028 	int res;
1029 
1030 	if (argc != 2) {
1031 		printf("Invalid SET command: needs two arguments (variable "
1032 		       "name and value)\n");
1033 		return -1;
1034 	}
1035 
1036 	res = os_snprintf(cmd, sizeof(cmd), "SET %s %s", argv[0], argv[1]);
1037 	if (os_snprintf_error(sizeof(cmd), res)) {
1038 		printf("Too long SET command.\n");
1039 		return -1;
1040 	}
1041 	return wpa_ctrl_command(ctrl, cmd);
1042 }
1043 
1044 
1045 static char ** hostapd_complete_set(const char *str, int pos)
1046 {
1047 	int arg = get_cmd_arg_num(str, pos);
1048 	const char *fields[] = {
1049 #ifdef CONFIG_WPS_TESTING
1050 		"wps_version_number", "wps_testing_dummy_cred",
1051 		"wps_corrupt_pkhash",
1052 #endif /* CONFIG_WPS_TESTING */
1053 #ifdef CONFIG_INTERWORKING
1054 		"gas_frag_limit",
1055 #endif /* CONFIG_INTERWORKING */
1056 #ifdef CONFIG_TESTING_OPTIONS
1057 		"ext_mgmt_frame_handling", "ext_eapol_frame_io",
1058 #endif /* CONFIG_TESTING_OPTIONS */
1059 #ifdef CONFIG_MBO
1060 		"mbo_assoc_disallow",
1061 #endif /* CONFIG_MBO */
1062 		"deny_mac_file", "accept_mac_file",
1063 	};
1064 	int i, num_fields = ARRAY_SIZE(fields);
1065 
1066 	if (arg == 1) {
1067 		char **res;
1068 
1069 		res = os_calloc(num_fields + 1, sizeof(char *));
1070 		if (!res)
1071 			return NULL;
1072 		for (i = 0; i < num_fields; i++) {
1073 			res[i] = os_strdup(fields[i]);
1074 			if (!res[i])
1075 				return res;
1076 		}
1077 		return res;
1078 	}
1079 	return NULL;
1080 }
1081 
1082 
1083 static int hostapd_cli_cmd_get(struct wpa_ctrl *ctrl, int argc, char *argv[])
1084 {
1085 	char cmd[256];
1086 	int res;
1087 
1088 	if (argc != 1) {
1089 		printf("Invalid GET command: needs one argument (variable "
1090 		       "name)\n");
1091 		return -1;
1092 	}
1093 
1094 	res = os_snprintf(cmd, sizeof(cmd), "GET %s", argv[0]);
1095 	if (os_snprintf_error(sizeof(cmd), res)) {
1096 		printf("Too long GET command.\n");
1097 		return -1;
1098 	}
1099 	return wpa_ctrl_command(ctrl, cmd);
1100 }
1101 
1102 
1103 static char ** hostapd_complete_get(const char *str, int pos)
1104 {
1105 	int arg = get_cmd_arg_num(str, pos);
1106 	const char *fields[] = {
1107 		"version", "tls_library",
1108 	};
1109 	int i, num_fields = ARRAY_SIZE(fields);
1110 
1111 	if (arg == 1) {
1112 		char **res;
1113 
1114 		res = os_calloc(num_fields + 1, sizeof(char *));
1115 		if (!res)
1116 			return NULL;
1117 		for (i = 0; i < num_fields; i++) {
1118 			res[i] = os_strdup(fields[i]);
1119 			if (!res[i])
1120 				return res;
1121 		}
1122 		return res;
1123 	}
1124 	return NULL;
1125 }
1126 
1127 
1128 #ifdef CONFIG_FST
1129 static int hostapd_cli_cmd_fst(struct wpa_ctrl *ctrl, int argc, char *argv[])
1130 {
1131 	char cmd[256];
1132 	int res;
1133 	int i;
1134 	int total;
1135 
1136 	if (argc <= 0) {
1137 		printf("FST command: parameters are required.\n");
1138 		return -1;
1139 	}
1140 
1141 	total = os_snprintf(cmd, sizeof(cmd), "FST-MANAGER");
1142 
1143 	for (i = 0; i < argc; i++) {
1144 		res = os_snprintf(cmd + total, sizeof(cmd) - total, " %s",
1145 				  argv[i]);
1146 		if (os_snprintf_error(sizeof(cmd) - total, res)) {
1147 			printf("Too long fst command.\n");
1148 			return -1;
1149 		}
1150 		total += res;
1151 	}
1152 	return wpa_ctrl_command(ctrl, cmd);
1153 }
1154 #endif /* CONFIG_FST */
1155 
1156 
1157 static int hostapd_cli_cmd_chan_switch(struct wpa_ctrl *ctrl,
1158 				       int argc, char *argv[])
1159 {
1160 	char cmd[256];
1161 	int res;
1162 	int i;
1163 	char *tmp;
1164 	int total;
1165 
1166 	if (argc < 2) {
1167 		printf("Invalid chan_switch command: needs at least two "
1168 		       "arguments (count and freq)\n"
1169 		       "usage: <cs_count> <freq> [sec_channel_offset=] "
1170 		       "[center_freq1=] [center_freq2=] [bandwidth=] "
1171 		       "[blocktx] [ht|vht]\n");
1172 		return -1;
1173 	}
1174 
1175 	res = os_snprintf(cmd, sizeof(cmd), "CHAN_SWITCH %s %s",
1176 			  argv[0], argv[1]);
1177 	if (os_snprintf_error(sizeof(cmd), res)) {
1178 		printf("Too long CHAN_SWITCH command.\n");
1179 		return -1;
1180 	}
1181 
1182 	total = res;
1183 	for (i = 2; i < argc; i++) {
1184 		tmp = cmd + total;
1185 		res = os_snprintf(tmp, sizeof(cmd) - total, " %s", argv[i]);
1186 		if (os_snprintf_error(sizeof(cmd) - total, res)) {
1187 			printf("Too long CHAN_SWITCH command.\n");
1188 			return -1;
1189 		}
1190 		total += res;
1191 	}
1192 	return wpa_ctrl_command(ctrl, cmd);
1193 }
1194 
1195 
1196 static int hostapd_cli_cmd_enable(struct wpa_ctrl *ctrl, int argc,
1197 				      char *argv[])
1198 {
1199 	return wpa_ctrl_command(ctrl, "ENABLE");
1200 }
1201 
1202 
1203 static int hostapd_cli_cmd_reload(struct wpa_ctrl *ctrl, int argc,
1204 				      char *argv[])
1205 {
1206 	return wpa_ctrl_command(ctrl, "RELOAD");
1207 }
1208 
1209 
1210 static int hostapd_cli_cmd_disable(struct wpa_ctrl *ctrl, int argc,
1211 				      char *argv[])
1212 {
1213 	return wpa_ctrl_command(ctrl, "DISABLE");
1214 }
1215 
1216 
1217 static int hostapd_cli_cmd_vendor(struct wpa_ctrl *ctrl, int argc, char *argv[])
1218 {
1219 	char cmd[256];
1220 	int res;
1221 
1222 	if (argc < 2 || argc > 3) {
1223 		printf("Invalid vendor command\n"
1224 		       "usage: <vendor id> <command id> [<hex formatted command argument>]\n");
1225 		return -1;
1226 	}
1227 
1228 	res = os_snprintf(cmd, sizeof(cmd), "VENDOR %s %s %s", argv[0], argv[1],
1229 			  argc == 3 ? argv[2] : "");
1230 	if (os_snprintf_error(sizeof(cmd), res)) {
1231 		printf("Too long VENDOR command.\n");
1232 		return -1;
1233 	}
1234 	return wpa_ctrl_command(ctrl, cmd);
1235 }
1236 
1237 
1238 static int hostapd_cli_cmd_erp_flush(struct wpa_ctrl *ctrl, int argc,
1239 				     char *argv[])
1240 {
1241 	return wpa_ctrl_command(ctrl, "ERP_FLUSH");
1242 }
1243 
1244 
1245 static int hostapd_cli_cmd_log_level(struct wpa_ctrl *ctrl, int argc,
1246 				     char *argv[])
1247 {
1248 	char cmd[256];
1249 	int res;
1250 
1251 	res = os_snprintf(cmd, sizeof(cmd), "LOG_LEVEL%s%s%s%s",
1252 			  argc >= 1 ? " " : "",
1253 			  argc >= 1 ? argv[0] : "",
1254 			  argc == 2 ? " " : "",
1255 			  argc == 2 ? argv[1] : "");
1256 	if (os_snprintf_error(sizeof(cmd), res)) {
1257 		printf("Too long option\n");
1258 		return -1;
1259 	}
1260 	return wpa_ctrl_command(ctrl, cmd);
1261 }
1262 
1263 
1264 static int hostapd_cli_cmd_raw(struct wpa_ctrl *ctrl, int argc, char *argv[])
1265 {
1266 	if (argc == 0)
1267 		return -1;
1268 	return hostapd_cli_cmd(ctrl, argv[0], 0, argc - 1, &argv[1]);
1269 }
1270 
1271 
1272 static int hostapd_cli_cmd_pmksa(struct wpa_ctrl *ctrl, int argc, char *argv[])
1273 {
1274 	return wpa_ctrl_command(ctrl, "PMKSA");
1275 }
1276 
1277 
1278 static int hostapd_cli_cmd_pmksa_flush(struct wpa_ctrl *ctrl, int argc,
1279 				       char *argv[])
1280 {
1281 	return wpa_ctrl_command(ctrl, "PMKSA_FLUSH");
1282 }
1283 
1284 
1285 static int hostapd_cli_cmd_set_neighbor(struct wpa_ctrl *ctrl, int argc,
1286 					char *argv[])
1287 {
1288 	char cmd[2048];
1289 	int res;
1290 
1291 	if (argc < 3 || argc > 6) {
1292 		printf("Invalid set_neighbor command: needs 3-6 arguments\n");
1293 		return -1;
1294 	}
1295 
1296 	res = os_snprintf(cmd, sizeof(cmd), "SET_NEIGHBOR %s %s %s %s %s %s",
1297 			  argv[0], argv[1], argv[2], argc >= 4 ? argv[3] : "",
1298 			  argc >= 5 ? argv[4] : "", argc == 6 ? argv[5] : "");
1299 	if (os_snprintf_error(sizeof(cmd), res)) {
1300 		printf("Too long SET_NEIGHBOR command.\n");
1301 		return -1;
1302 	}
1303 	return wpa_ctrl_command(ctrl, cmd);
1304 }
1305 
1306 
1307 static int hostapd_cli_cmd_remove_neighbor(struct wpa_ctrl *ctrl, int argc,
1308 					   char *argv[])
1309 {
1310 	char cmd[400];
1311 	int res;
1312 
1313 	if (argc != 2) {
1314 		printf("Invalid remove_neighbor command: needs 2 arguments\n");
1315 		return -1;
1316 	}
1317 
1318 	res = os_snprintf(cmd, sizeof(cmd), "REMOVE_NEIGHBOR %s %s",
1319 			  argv[0], argv[1]);
1320 	if (os_snprintf_error(sizeof(cmd), res)) {
1321 		printf("Too long REMOVE_NEIGHBOR command.\n");
1322 		return -1;
1323 	}
1324 	return wpa_ctrl_command(ctrl, cmd);
1325 }
1326 
1327 
1328 static int hostapd_cli_cmd_req_lci(struct wpa_ctrl *ctrl, int argc,
1329 				   char *argv[])
1330 {
1331 	char cmd[256];
1332 	int res;
1333 
1334 	if (argc != 1) {
1335 		printf("Invalid req_lci command - requires destination address\n");
1336 		return -1;
1337 	}
1338 
1339 	res = os_snprintf(cmd, sizeof(cmd), "REQ_LCI %s", argv[0]);
1340 	if (os_snprintf_error(sizeof(cmd), res)) {
1341 		printf("Too long REQ_LCI command.\n");
1342 		return -1;
1343 	}
1344 	return wpa_ctrl_command(ctrl, cmd);
1345 }
1346 
1347 
1348 static int hostapd_cli_cmd_req_range(struct wpa_ctrl *ctrl, int argc,
1349 				     char *argv[])
1350 {
1351 	if (argc < 4) {
1352 		printf("Invalid req_range command: needs at least 4 arguments - dest address, randomization interval, min AP count, and 1 to 16 AP addresses\n");
1353 		return -1;
1354 	}
1355 
1356 	return hostapd_cli_cmd(ctrl, "REQ_RANGE", 4, argc, argv);
1357 }
1358 
1359 
1360 static int hostapd_cli_cmd_driver_flags(struct wpa_ctrl *ctrl, int argc,
1361 					char *argv[])
1362 {
1363 	return wpa_ctrl_command(ctrl, "DRIVER_FLAGS");
1364 }
1365 
1366 
1367 #ifdef CONFIG_DPP
1368 
1369 static int hostapd_cli_cmd_dpp_qr_code(struct wpa_ctrl *ctrl, int argc,
1370 				       char *argv[])
1371 {
1372 	return hostapd_cli_cmd(ctrl, "DPP_QR_CODE", 1, argc, argv);
1373 }
1374 
1375 
1376 static int hostapd_cli_cmd_dpp_bootstrap_gen(struct wpa_ctrl *ctrl, int argc,
1377 					     char *argv[])
1378 {
1379 	return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_GEN", 1, argc, argv);
1380 }
1381 
1382 
1383 static int hostapd_cli_cmd_dpp_bootstrap_remove(struct wpa_ctrl *ctrl, int argc,
1384 						char *argv[])
1385 {
1386 	return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_REMOVE", 1, argc, argv);
1387 }
1388 
1389 
1390 static int hostapd_cli_cmd_dpp_bootstrap_get_uri(struct wpa_ctrl *ctrl,
1391 						 int argc, char *argv[])
1392 {
1393 	return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_GET_URI", 1, argc, argv);
1394 }
1395 
1396 
1397 static int hostapd_cli_cmd_dpp_bootstrap_info(struct wpa_ctrl *ctrl, int argc,
1398 					      char *argv[])
1399 {
1400 	return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_INFO", 1, argc, argv);
1401 }
1402 
1403 
1404 static int hostapd_cli_cmd_dpp_auth_init(struct wpa_ctrl *ctrl, int argc,
1405 					 char *argv[])
1406 {
1407 	return hostapd_cli_cmd(ctrl, "DPP_AUTH_INIT", 1, argc, argv);
1408 }
1409 
1410 
1411 static int hostapd_cli_cmd_dpp_listen(struct wpa_ctrl *ctrl, int argc,
1412 				      char *argv[])
1413 {
1414 	return hostapd_cli_cmd(ctrl, "DPP_LISTEN", 1, argc, argv);
1415 }
1416 
1417 
1418 static int hostapd_cli_cmd_dpp_stop_listen(struct wpa_ctrl *ctrl, int argc,
1419 				       char *argv[])
1420 {
1421 	return wpa_ctrl_command(ctrl, "DPP_STOP_LISTEN");
1422 }
1423 
1424 
1425 static int hostapd_cli_cmd_dpp_configurator_add(struct wpa_ctrl *ctrl, int argc,
1426 						char *argv[])
1427 {
1428 	return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_ADD", 0, argc, argv);
1429 }
1430 
1431 
1432 static int hostapd_cli_cmd_dpp_configurator_remove(struct wpa_ctrl *ctrl,
1433 						   int argc, char *argv[])
1434 {
1435 	return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_REMOVE", 1, argc, argv);
1436 }
1437 
1438 
1439 static int hostapd_cli_cmd_dpp_configurator_get_key(struct wpa_ctrl *ctrl,
1440 						    int argc, char *argv[])
1441 {
1442 	return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_GET_KEY", 1, argc, argv);
1443 }
1444 
1445 
1446 static int hostapd_cli_cmd_dpp_configurator_sign(struct wpa_ctrl *ctrl,
1447 						 int argc, char *argv[])
1448 {
1449        return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_SIGN", 1, argc, argv);
1450 }
1451 
1452 
1453 static int hostapd_cli_cmd_dpp_pkex_add(struct wpa_ctrl *ctrl, int argc,
1454 					char *argv[])
1455 {
1456 	return hostapd_cli_cmd(ctrl, "DPP_PKEX_ADD", 1, argc, argv);
1457 }
1458 
1459 
1460 static int hostapd_cli_cmd_dpp_pkex_remove(struct wpa_ctrl *ctrl, int argc,
1461 					   char *argv[])
1462 {
1463 	return hostapd_cli_cmd(ctrl, "DPP_PKEX_REMOVE", 1, argc, argv);
1464 }
1465 
1466 #endif /* CONFIG_DPP */
1467 
1468 
1469 static int hostapd_cli_cmd_accept_macacl(struct wpa_ctrl *ctrl, int argc,
1470 					 char *argv[])
1471 {
1472 	return hostapd_cli_cmd(ctrl, "ACCEPT_ACL", 1, argc, argv);
1473 }
1474 
1475 
1476 static int hostapd_cli_cmd_deny_macacl(struct wpa_ctrl *ctrl, int argc,
1477 				       char *argv[])
1478 {
1479 	return hostapd_cli_cmd(ctrl, "DENY_ACL", 1, argc, argv);
1480 }
1481 
1482 
1483 static int hostapd_cli_cmd_poll_sta(struct wpa_ctrl *ctrl, int argc,
1484 				    char *argv[])
1485 {
1486 	return hostapd_cli_cmd(ctrl, "POLL_STA", 1, argc, argv);
1487 }
1488 
1489 
1490 static int hostapd_cli_cmd_req_beacon(struct wpa_ctrl *ctrl, int argc,
1491 				      char *argv[])
1492 {
1493 	return hostapd_cli_cmd(ctrl, "REQ_BEACON", 2, argc, argv);
1494 }
1495 
1496 
1497 static int hostapd_cli_cmd_reload_wpa_psk(struct wpa_ctrl *ctrl, int argc,
1498 					  char *argv[])
1499 {
1500 	return wpa_ctrl_command(ctrl, "RELOAD_WPA_PSK");
1501 }
1502 
1503 
1504 struct hostapd_cli_cmd {
1505 	const char *cmd;
1506 	int (*handler)(struct wpa_ctrl *ctrl, int argc, char *argv[]);
1507 	char ** (*completion)(const char *str, int pos);
1508 	const char *usage;
1509 };
1510 
1511 static const struct hostapd_cli_cmd hostapd_cli_commands[] = {
1512 	{ "ping", hostapd_cli_cmd_ping, NULL,
1513 	  "= pings hostapd" },
1514 	{ "mib", hostapd_cli_cmd_mib, NULL,
1515 	  "= get MIB variables (dot1x, dot11, radius)" },
1516 	{ "relog", hostapd_cli_cmd_relog, NULL,
1517 	  "= reload/truncate debug log output file" },
1518 	{ "status", hostapd_cli_cmd_status, NULL,
1519 	  "= show interface status info" },
1520 	{ "sta", hostapd_cli_cmd_sta, hostapd_complete_stations,
1521 	  "<addr> = get MIB variables for one station" },
1522 	{ "all_sta", hostapd_cli_cmd_all_sta, NULL,
1523 	   "= get MIB variables for all stations" },
1524 	{ "list_sta", hostapd_cli_cmd_list_sta, NULL,
1525 	   "= list all stations" },
1526 	{ "new_sta", hostapd_cli_cmd_new_sta, NULL,
1527 	  "<addr> = add a new station" },
1528 	{ "deauthenticate", hostapd_cli_cmd_deauthenticate,
1529 	  hostapd_complete_stations,
1530 	  "<addr> = deauthenticate a station" },
1531 	{ "disassociate", hostapd_cli_cmd_disassociate,
1532 	  hostapd_complete_stations,
1533 	  "<addr> = disassociate a station" },
1534 #ifdef CONFIG_TAXONOMY
1535 	{ "signature", hostapd_cli_cmd_signature, hostapd_complete_stations,
1536 	  "<addr> = get taxonomy signature for a station" },
1537 #endif /* CONFIG_TAXONOMY */
1538 #ifdef CONFIG_IEEE80211W
1539 	{ "sa_query", hostapd_cli_cmd_sa_query, hostapd_complete_stations,
1540 	  "<addr> = send SA Query to a station" },
1541 #endif /* CONFIG_IEEE80211W */
1542 #ifdef CONFIG_WPS
1543 	{ "wps_pin", hostapd_cli_cmd_wps_pin, NULL,
1544 	  "<uuid> <pin> [timeout] [addr] = add WPS Enrollee PIN" },
1545 	{ "wps_check_pin", hostapd_cli_cmd_wps_check_pin, NULL,
1546 	  "<PIN> = verify PIN checksum" },
1547 	{ "wps_pbc", hostapd_cli_cmd_wps_pbc, NULL,
1548 	  "= indicate button pushed to initiate PBC" },
1549 	{ "wps_cancel", hostapd_cli_cmd_wps_cancel, NULL,
1550 	  "= cancel the pending WPS operation" },
1551 #ifdef CONFIG_WPS_NFC
1552 	{ "wps_nfc_tag_read", hostapd_cli_cmd_wps_nfc_tag_read, NULL,
1553 	  "<hexdump> = report read NFC tag with WPS data" },
1554 	{ "wps_nfc_config_token", hostapd_cli_cmd_wps_nfc_config_token, NULL,
1555 	  "<WPS/NDEF> = build NFC configuration token" },
1556 	{ "wps_nfc_token", hostapd_cli_cmd_wps_nfc_token, NULL,
1557 	  "<WPS/NDEF/enable/disable> = manager NFC password token" },
1558 	{ "nfc_get_handover_sel", hostapd_cli_cmd_nfc_get_handover_sel, NULL,
1559 	  NULL },
1560 #endif /* CONFIG_WPS_NFC */
1561 	{ "wps_ap_pin", hostapd_cli_cmd_wps_ap_pin, NULL,
1562 	  "<cmd> [params..] = enable/disable AP PIN" },
1563 	{ "wps_config", hostapd_cli_cmd_wps_config, NULL,
1564 	  "<SSID> <auth> <encr> <key> = configure AP" },
1565 	{ "wps_get_status", hostapd_cli_cmd_wps_get_status, NULL,
1566 	  "= show current WPS status" },
1567 #endif /* CONFIG_WPS */
1568 	{ "disassoc_imminent", hostapd_cli_cmd_disassoc_imminent, NULL,
1569 	  "= send Disassociation Imminent notification" },
1570 	{ "ess_disassoc", hostapd_cli_cmd_ess_disassoc, NULL,
1571 	  "= send ESS Dissassociation Imminent notification" },
1572 	{ "bss_tm_req", hostapd_cli_cmd_bss_tm_req, NULL,
1573 	  "= send BSS Transition Management Request" },
1574 	{ "get_config", hostapd_cli_cmd_get_config, NULL,
1575 	  "= show current configuration" },
1576 	{ "help", hostapd_cli_cmd_help, hostapd_cli_complete_help,
1577 	  "= show this usage help" },
1578 	{ "interface", hostapd_cli_cmd_interface, hostapd_complete_interface,
1579 	  "[ifname] = show interfaces/select interface" },
1580 #ifdef CONFIG_FST
1581 	{ "fst", hostapd_cli_cmd_fst, NULL,
1582 	  "<params...> = send FST-MANAGER control interface command" },
1583 #endif /* CONFIG_FST */
1584 	{ "raw", hostapd_cli_cmd_raw, NULL,
1585 	  "<params..> = send unprocessed command" },
1586 	{ "level", hostapd_cli_cmd_level, NULL,
1587 	  "<debug level> = change debug level" },
1588 	{ "license", hostapd_cli_cmd_license, NULL,
1589 	  "= show full hostapd_cli license" },
1590 	{ "quit", hostapd_cli_cmd_quit, NULL,
1591 	  "= exit hostapd_cli" },
1592 	{ "set", hostapd_cli_cmd_set, hostapd_complete_set,
1593 	  "<name> <value> = set runtime variables" },
1594 	{ "get", hostapd_cli_cmd_get, hostapd_complete_get,
1595 	  "<name> = get runtime info" },
1596 	{ "set_qos_map_set", hostapd_cli_cmd_set_qos_map_set, NULL,
1597 	  "<arg,arg,...> = set QoS Map set element" },
1598 	{ "send_qos_map_conf", hostapd_cli_cmd_send_qos_map_conf,
1599 	  hostapd_complete_stations,
1600 	  "<addr> = send QoS Map Configure frame" },
1601 	{ "chan_switch", hostapd_cli_cmd_chan_switch, NULL,
1602 	  "<cs_count> <freq> [sec_channel_offset=] [center_freq1=]\n"
1603 	  "  [center_freq2=] [bandwidth=] [blocktx] [ht|vht]\n"
1604 	  "  = initiate channel switch announcement" },
1605 	{ "hs20_wnm_notif", hostapd_cli_cmd_hs20_wnm_notif, NULL,
1606 	  "<addr> <url>\n"
1607 	  "  = send WNM-Notification Subscription Remediation Request" },
1608 	{ "hs20_deauth_req", hostapd_cli_cmd_hs20_deauth_req, NULL,
1609 	  "<addr> <code (0/1)> <Re-auth-Delay(sec)> [url]\n"
1610 	  "  = send WNM-Notification imminent deauthentication indication" },
1611 	{ "vendor", hostapd_cli_cmd_vendor, NULL,
1612 	  "<vendor id> <sub command id> [<hex formatted data>]\n"
1613 	  "  = send vendor driver command" },
1614 	{ "enable", hostapd_cli_cmd_enable, NULL,
1615 	  "= enable hostapd on current interface" },
1616 	{ "reload", hostapd_cli_cmd_reload, NULL,
1617 	  "= reload configuration for current interface" },
1618 	{ "disable", hostapd_cli_cmd_disable, NULL,
1619 	  "= disable hostapd on current interface" },
1620 	{ "erp_flush", hostapd_cli_cmd_erp_flush, NULL,
1621 	  "= drop all ERP keys"},
1622 	{ "log_level", hostapd_cli_cmd_log_level, NULL,
1623 	  "[level] = show/change log verbosity level" },
1624 	{ "pmksa", hostapd_cli_cmd_pmksa, NULL,
1625 	  " = show PMKSA cache entries" },
1626 	{ "pmksa_flush", hostapd_cli_cmd_pmksa_flush, NULL,
1627 	  " = flush PMKSA cache" },
1628 	{ "set_neighbor", hostapd_cli_cmd_set_neighbor, NULL,
1629 	  "<addr> <ssid=> <nr=> [lci=] [civic=] [stat]\n"
1630 	  "  = add AP to neighbor database" },
1631 	{ "remove_neighbor", hostapd_cli_cmd_remove_neighbor, NULL,
1632 	  "<addr> <ssid=> = remove AP from neighbor database" },
1633 	{ "req_lci", hostapd_cli_cmd_req_lci, hostapd_complete_stations,
1634 	  "<addr> = send LCI request to a station"},
1635 	{ "req_range", hostapd_cli_cmd_req_range, NULL,
1636 	  " = send FTM range request"},
1637 	{ "driver_flags", hostapd_cli_cmd_driver_flags, NULL,
1638 	  " = show supported driver flags"},
1639 #ifdef CONFIG_DPP
1640 	{ "dpp_qr_code", hostapd_cli_cmd_dpp_qr_code, NULL,
1641 	  "report a scanned DPP URI from a QR Code" },
1642 	{ "dpp_bootstrap_gen", hostapd_cli_cmd_dpp_bootstrap_gen, NULL,
1643 	  "type=<qrcode> [chan=..] [mac=..] [info=..] [curve=..] [key=..] = generate DPP bootstrap information" },
1644 	{ "dpp_bootstrap_remove", hostapd_cli_cmd_dpp_bootstrap_remove, NULL,
1645 	  "*|<id> = remove DPP bootstrap information" },
1646 	{ "dpp_bootstrap_get_uri", hostapd_cli_cmd_dpp_bootstrap_get_uri, NULL,
1647 	  "<id> = get DPP bootstrap URI" },
1648 	{ "dpp_bootstrap_info", hostapd_cli_cmd_dpp_bootstrap_info, NULL,
1649 	  "<id> = show DPP bootstrap information" },
1650 	{ "dpp_auth_init", hostapd_cli_cmd_dpp_auth_init, NULL,
1651 	  "peer=<id> [own=<id>] = initiate DPP bootstrapping" },
1652 	{ "dpp_listen", hostapd_cli_cmd_dpp_listen, NULL,
1653 	  "<freq in MHz> = start DPP listen" },
1654 	{ "dpp_stop_listen", hostapd_cli_cmd_dpp_stop_listen, NULL,
1655 	  "= stop DPP listen" },
1656 	{ "dpp_configurator_add", hostapd_cli_cmd_dpp_configurator_add, NULL,
1657 	  "[curve=..] [key=..] = add DPP configurator" },
1658 	{ "dpp_configurator_remove", hostapd_cli_cmd_dpp_configurator_remove,
1659 	  NULL,
1660 	  "*|<id> = remove DPP configurator" },
1661 	{ "dpp_configurator_get_key", hostapd_cli_cmd_dpp_configurator_get_key,
1662 	  NULL,
1663 	  "<id> = Get DPP configurator's private key" },
1664 	{ "dpp_configurator_sign", hostapd_cli_cmd_dpp_configurator_sign, NULL,
1665 	  "conf=<role> configurator=<id> = generate self DPP configuration" },
1666 	{ "dpp_pkex_add", hostapd_cli_cmd_dpp_pkex_add, NULL,
1667 	  "add PKEX code" },
1668 	{ "dpp_pkex_remove", hostapd_cli_cmd_dpp_pkex_remove, NULL,
1669 	  "*|<id> = remove DPP pkex information" },
1670 #endif /* CONFIG_DPP */
1671 	{ "accept_acl", hostapd_cli_cmd_accept_macacl, NULL,
1672 	  "=Add/Delete/Show/Clear accept MAC ACL" },
1673 	{ "deny_acl", hostapd_cli_cmd_deny_macacl, NULL,
1674 	  "=Add/Delete/Show/Clear deny MAC ACL" },
1675 	{ "poll_sta", hostapd_cli_cmd_poll_sta, hostapd_complete_stations,
1676 	  "<addr> = poll a STA to check connectivity with a QoS null frame" },
1677 	{ "req_beacon", hostapd_cli_cmd_req_beacon, NULL,
1678 	  "<addr> [req_mode=] <measurement request hexdump>  = send a Beacon report request to a station" },
1679 	{ "reload_wpa_psk", hostapd_cli_cmd_reload_wpa_psk, NULL,
1680 	  "= reload wpa_psk_file only" },
1681 	{ NULL, NULL, NULL, NULL }
1682 };
1683 
1684 
1685 /*
1686  * Prints command usage, lines are padded with the specified string.
1687  */
1688 static void print_cmd_help(FILE *stream, const struct hostapd_cli_cmd *cmd,
1689 			   const char *pad)
1690 {
1691 	char c;
1692 	size_t n;
1693 
1694 	if (cmd->usage == NULL)
1695 		return;
1696 	fprintf(stream, "%s%s ", pad, cmd->cmd);
1697 	for (n = 0; (c = cmd->usage[n]); n++) {
1698 		fprintf(stream, "%c", c);
1699 		if (c == '\n')
1700 			fprintf(stream, "%s", pad);
1701 	}
1702 	fprintf(stream, "\n");
1703 }
1704 
1705 
1706 static void print_help(FILE *stream, const char *cmd)
1707 {
1708 	int n;
1709 
1710 	fprintf(stream, "commands:\n");
1711 	for (n = 0; hostapd_cli_commands[n].cmd; n++) {
1712 		if (cmd == NULL || str_starts(hostapd_cli_commands[n].cmd, cmd))
1713 			print_cmd_help(stream, &hostapd_cli_commands[n], "  ");
1714 	}
1715 }
1716 
1717 
1718 static void wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[])
1719 {
1720 	const struct hostapd_cli_cmd *cmd, *match = NULL;
1721 	int count;
1722 
1723 	count = 0;
1724 	cmd = hostapd_cli_commands;
1725 	while (cmd->cmd) {
1726 		if (strncasecmp(cmd->cmd, argv[0], strlen(argv[0])) == 0) {
1727 			match = cmd;
1728 			if (os_strcasecmp(cmd->cmd, argv[0]) == 0) {
1729 				/* we have an exact match */
1730 				count = 1;
1731 				break;
1732 			}
1733 			count++;
1734 		}
1735 		cmd++;
1736 	}
1737 
1738 	if (count > 1) {
1739 		printf("Ambiguous command '%s'; possible commands:", argv[0]);
1740 		cmd = hostapd_cli_commands;
1741 		while (cmd->cmd) {
1742 			if (strncasecmp(cmd->cmd, argv[0], strlen(argv[0])) ==
1743 			    0) {
1744 				printf(" %s", cmd->cmd);
1745 			}
1746 			cmd++;
1747 		}
1748 		printf("\n");
1749 	} else if (count == 0) {
1750 		printf("Unknown command '%s'\n", argv[0]);
1751 	} else {
1752 		match->handler(ctrl, argc - 1, &argv[1]);
1753 	}
1754 }
1755 
1756 
1757 static void cli_event(const char *str)
1758 {
1759 	const char *start, *s;
1760 
1761 	start = os_strchr(str, '>');
1762 	if (start == NULL)
1763 		return;
1764 
1765 	start++;
1766 
1767 	if (str_starts(start, AP_STA_CONNECTED)) {
1768 		s = os_strchr(start, ' ');
1769 		if (s == NULL)
1770 			return;
1771 		cli_txt_list_add(&stations, s + 1);
1772 		return;
1773 	}
1774 
1775 	if (str_starts(start, AP_STA_DISCONNECTED)) {
1776 		s = os_strchr(start, ' ');
1777 		if (s == NULL)
1778 			return;
1779 		cli_txt_list_del_addr(&stations, s + 1);
1780 		return;
1781 	}
1782 }
1783 
1784 
1785 static void hostapd_cli_recv_pending(struct wpa_ctrl *ctrl, int in_read,
1786 				     int action_monitor)
1787 {
1788 	int first = 1;
1789 	if (ctrl_conn == NULL)
1790 		return;
1791 	while (wpa_ctrl_pending(ctrl)) {
1792 		char buf[4096];
1793 		size_t len = sizeof(buf) - 1;
1794 		if (wpa_ctrl_recv(ctrl, buf, &len) == 0) {
1795 			buf[len] = '\0';
1796 			if (action_monitor)
1797 				hostapd_cli_action_process(buf, len);
1798 			else {
1799 				cli_event(buf);
1800 				if (in_read && first)
1801 					printf("\n");
1802 				first = 0;
1803 				printf("%s\n", buf);
1804 			}
1805 		} else {
1806 			printf("Could not read pending message.\n");
1807 			break;
1808 		}
1809 	}
1810 }
1811 
1812 
1813 static void hostapd_cli_receive(int sock, void *eloop_ctx, void *sock_ctx)
1814 {
1815 	hostapd_cli_recv_pending(ctrl_conn, 0, 0);
1816 }
1817 
1818 
1819 static void hostapd_cli_ping(void *eloop_ctx, void *timeout_ctx)
1820 {
1821 	if (ctrl_conn && _wpa_ctrl_command(ctrl_conn, "PING", 0)) {
1822 		printf("Connection to hostapd lost - trying to reconnect\n");
1823 		hostapd_cli_close_connection();
1824 	}
1825 	if (!ctrl_conn && hostapd_cli_reconnect(ctrl_ifname) == 0)
1826 		printf("Connection to hostapd re-established\n");
1827 	if (ctrl_conn)
1828 		hostapd_cli_recv_pending(ctrl_conn, 1, 0);
1829 	eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
1830 }
1831 
1832 
1833 static void hostapd_cli_eloop_terminate(int sig, void *signal_ctx)
1834 {
1835 	eloop_terminate();
1836 }
1837 
1838 
1839 static void hostapd_cli_edit_cmd_cb(void *ctx, char *cmd)
1840 {
1841 	char *argv[max_args];
1842 	int argc;
1843 	argc = tokenize_cmd(cmd, argv);
1844 	if (argc)
1845 		wpa_request(ctrl_conn, argc, argv);
1846 }
1847 
1848 
1849 static void hostapd_cli_edit_eof_cb(void *ctx)
1850 {
1851 	eloop_terminate();
1852 }
1853 
1854 
1855 static char ** list_cmd_list(void)
1856 {
1857 	char **res;
1858 	int i, count;
1859 
1860 	count = ARRAY_SIZE(hostapd_cli_commands);
1861 	res = os_calloc(count + 1, sizeof(char *));
1862 	if (res == NULL)
1863 		return NULL;
1864 
1865 	for (i = 0; hostapd_cli_commands[i].cmd; i++) {
1866 		res[i] = os_strdup(hostapd_cli_commands[i].cmd);
1867 		if (res[i] == NULL)
1868 			break;
1869 	}
1870 
1871 	return res;
1872 }
1873 
1874 
1875 static char ** hostapd_cli_cmd_completion(const char *cmd, const char *str,
1876 				      int pos)
1877 {
1878 	int i;
1879 
1880 	for (i = 0; hostapd_cli_commands[i].cmd; i++) {
1881 		if (os_strcasecmp(hostapd_cli_commands[i].cmd, cmd) != 0)
1882 			continue;
1883 		if (hostapd_cli_commands[i].completion)
1884 			return hostapd_cli_commands[i].completion(str, pos);
1885 		if (!hostapd_cli_commands[i].usage)
1886 			return NULL;
1887 		edit_clear_line();
1888 		printf("\r%s\n", hostapd_cli_commands[i].usage);
1889 		edit_redraw();
1890 		break;
1891 	}
1892 
1893 	return NULL;
1894 }
1895 
1896 
1897 static char ** hostapd_cli_edit_completion_cb(void *ctx, const char *str,
1898 					      int pos)
1899 {
1900 	char **res;
1901 	const char *end;
1902 	char *cmd;
1903 
1904 	end = os_strchr(str, ' ');
1905 	if (end == NULL || str + pos < end)
1906 		return list_cmd_list();
1907 
1908 	cmd = os_malloc(pos + 1);
1909 	if (cmd == NULL)
1910 		return NULL;
1911 	os_memcpy(cmd, str, pos);
1912 	cmd[end - str] = '\0';
1913 	res = hostapd_cli_cmd_completion(cmd, str, pos);
1914 	os_free(cmd);
1915 	return res;
1916 }
1917 
1918 
1919 static void hostapd_cli_interactive(void)
1920 {
1921 	char *hfile = NULL;
1922 	char *home;
1923 
1924 	printf("\nInteractive mode\n\n");
1925 
1926 #ifdef CONFIG_HOSTAPD_CLI_HISTORY_DIR
1927 	home = CONFIG_HOSTAPD_CLI_HISTORY_DIR;
1928 #else /* CONFIG_HOSTAPD_CLI_HISTORY_DIR */
1929 	home = getenv("HOME");
1930 #endif /* CONFIG_HOSTAPD_CLI_HISTORY_DIR */
1931 	if (home) {
1932 		const char *fname = ".hostapd_cli_history";
1933 		int hfile_len = os_strlen(home) + 1 + os_strlen(fname) + 1;
1934 		hfile = os_malloc(hfile_len);
1935 		if (hfile)
1936 			os_snprintf(hfile, hfile_len, "%s/%s", home, fname);
1937 	}
1938 
1939 	eloop_register_signal_terminate(hostapd_cli_eloop_terminate, NULL);
1940 	edit_init(hostapd_cli_edit_cmd_cb, hostapd_cli_edit_eof_cb,
1941 		  hostapd_cli_edit_completion_cb, NULL, hfile, NULL);
1942 	eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
1943 
1944 	eloop_run();
1945 
1946 	cli_txt_list_flush(&stations);
1947 	edit_deinit(hfile, NULL);
1948 	os_free(hfile);
1949 	eloop_cancel_timeout(hostapd_cli_ping, NULL, NULL);
1950 }
1951 
1952 
1953 static void hostapd_cli_cleanup(void)
1954 {
1955 	hostapd_cli_close_connection();
1956 	if (pid_file)
1957 		os_daemonize_terminate(pid_file);
1958 
1959 	os_program_deinit();
1960 }
1961 
1962 
1963 static void hostapd_cli_action(struct wpa_ctrl *ctrl)
1964 {
1965 	fd_set rfds;
1966 	int fd, res;
1967 	struct timeval tv;
1968 	char buf[256];
1969 	size_t len;
1970 
1971 	fd = wpa_ctrl_get_fd(ctrl);
1972 
1973 	while (!hostapd_cli_quit) {
1974 		FD_ZERO(&rfds);
1975 		FD_SET(fd, &rfds);
1976 		tv.tv_sec = ping_interval;
1977 		tv.tv_usec = 0;
1978 		res = select(fd + 1, &rfds, NULL, NULL, &tv);
1979 		if (res < 0 && errno != EINTR) {
1980 			perror("select");
1981 			break;
1982 		}
1983 
1984 		if (FD_ISSET(fd, &rfds))
1985 			hostapd_cli_recv_pending(ctrl, 0, 1);
1986 		else {
1987 			len = sizeof(buf) - 1;
1988 			if (wpa_ctrl_request(ctrl, "PING", 4, buf, &len,
1989 					     hostapd_cli_action_process) < 0 ||
1990 			    len < 4 || os_memcmp(buf, "PONG", 4) != 0) {
1991 				printf("hostapd did not reply to PING "
1992 				       "command - exiting\n");
1993 				break;
1994 			}
1995 		}
1996 	}
1997 }
1998 
1999 
2000 int main(int argc, char *argv[])
2001 {
2002 	int warning_displayed = 0;
2003 	int c;
2004 	int daemonize = 0;
2005 
2006 	if (os_program_init())
2007 		return -1;
2008 
2009 	for (;;) {
2010 		c = getopt(argc, argv, "a:BhG:i:p:P:s:v");
2011 		if (c < 0)
2012 			break;
2013 		switch (c) {
2014 		case 'a':
2015 			action_file = optarg;
2016 			break;
2017 		case 'B':
2018 			daemonize = 1;
2019 			break;
2020 		case 'G':
2021 			ping_interval = atoi(optarg);
2022 			break;
2023 		case 'h':
2024 			usage();
2025 			return 0;
2026 		case 'v':
2027 			printf("%s\n", hostapd_cli_version);
2028 			return 0;
2029 		case 'i':
2030 			os_free(ctrl_ifname);
2031 			ctrl_ifname = os_strdup(optarg);
2032 			break;
2033 		case 'p':
2034 			ctrl_iface_dir = optarg;
2035 			break;
2036 		case 'P':
2037 			pid_file = optarg;
2038 			break;
2039 		case 's':
2040 			client_socket_dir = optarg;
2041 			break;
2042 		default:
2043 			usage();
2044 			return -1;
2045 		}
2046 	}
2047 
2048 	interactive = (argc == optind) && (action_file == NULL);
2049 
2050 	if (interactive) {
2051 		printf("%s\n\n%s\n\n", hostapd_cli_version, cli_license);
2052 	}
2053 
2054 	if (eloop_init())
2055 		return -1;
2056 
2057 	for (;;) {
2058 		if (ctrl_ifname == NULL) {
2059 			struct dirent *dent;
2060 			DIR *dir = opendir(ctrl_iface_dir);
2061 			if (dir) {
2062 				while ((dent = readdir(dir))) {
2063 					if (os_strcmp(dent->d_name, ".") == 0
2064 					    ||
2065 					    os_strcmp(dent->d_name, "..") == 0)
2066 						continue;
2067 					printf("Selected interface '%s'\n",
2068 					       dent->d_name);
2069 					ctrl_ifname = os_strdup(dent->d_name);
2070 					break;
2071 				}
2072 				closedir(dir);
2073 			}
2074 		}
2075 		hostapd_cli_reconnect(ctrl_ifname);
2076 		if (ctrl_conn) {
2077 			if (warning_displayed)
2078 				printf("Connection established.\n");
2079 			break;
2080 		}
2081 
2082 		if (!interactive) {
2083 			perror("Failed to connect to hostapd - "
2084 			       "wpa_ctrl_open");
2085 			return -1;
2086 		}
2087 
2088 		if (!warning_displayed) {
2089 			printf("Could not connect to hostapd - re-trying\n");
2090 			warning_displayed = 1;
2091 		}
2092 		os_sleep(1, 0);
2093 		continue;
2094 	}
2095 
2096 	if (action_file && !hostapd_cli_attached)
2097 		return -1;
2098 	if (daemonize && os_daemonize(pid_file) && eloop_sock_requeue())
2099 		return -1;
2100 
2101 	if (interactive)
2102 		hostapd_cli_interactive();
2103 	else if (action_file)
2104 		hostapd_cli_action(ctrl_conn);
2105 	else
2106 		wpa_request(ctrl_conn, argc - optind, &argv[optind]);
2107 
2108 	unregister_event_handler(ctrl_conn);
2109 	os_free(ctrl_ifname);
2110 	eloop_destroy();
2111 	hostapd_cli_cleanup();
2112 	return 0;
2113 }
2114 
2115 #else /* CONFIG_NO_CTRL_IFACE */
2116 
2117 int main(int argc, char *argv[])
2118 {
2119 	return -1;
2120 }
2121 
2122 #endif /* CONFIG_NO_CTRL_IFACE */
2123