Disconnect hostapd from building in base
[dragonfly.git] / contrib / hostapd / hostapd / ctrl_iface.c
CommitLineData
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1/*
2 * hostapd / UNIX domain socket -based control interface
4781064b 3 * Copyright (c) 2004-2014, Jouni Malinen <j@w1.fi>
ebfa2275 4 *
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5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
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7 */
8
4781064b 9#include "utils/includes.h"
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10
11#ifndef CONFIG_NATIVE_WINDOWS
12
13#include <sys/un.h>
14#include <sys/stat.h>
a875087d 15#include <stddef.h>
ebfa2275 16
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17#include "utils/common.h"
18#include "utils/eloop.h"
19#include "common/version.h"
20#include "common/ieee802_11_defs.h"
21#include "drivers/driver.h"
a875087d 22#include "radius/radius_client.h"
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23#include "radius/radius_server.h"
24#include "ap/hostapd.h"
25#include "ap/ap_config.h"
26#include "ap/ieee802_1x.h"
27#include "ap/wpa_auth.h"
28#include "ap/ieee802_11.h"
29#include "ap/sta_info.h"
30#include "ap/wps_hostapd.h"
31#include "ap/ctrl_iface_ap.h"
32#include "ap/ap_drv_ops.h"
33#include "ap/wnm_ap.h"
34#include "ap/wpa_auth.h"
35#include "wps/wps_defs.h"
36#include "wps/wps.h"
37#include "config_file.h"
ebfa2275 38#include "ctrl_iface.h"
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39
40
41struct wpa_ctrl_dst {
42 struct wpa_ctrl_dst *next;
43 struct sockaddr_un addr;
44 socklen_t addrlen;
45 int debug_level;
46 int errors;
47};
48
49
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50static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
51 const char *buf, size_t len);
52
53
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54static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd,
55 struct sockaddr_un *from,
56 socklen_t fromlen)
57{
58 struct wpa_ctrl_dst *dst;
59
a875087d 60 dst = os_zalloc(sizeof(*dst));
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61 if (dst == NULL)
62 return -1;
a875087d 63 os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
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64 dst->addrlen = fromlen;
65 dst->debug_level = MSG_INFO;
66 dst->next = hapd->ctrl_dst;
67 hapd->ctrl_dst = dst;
68 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached",
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69 (u8 *) from->sun_path,
70 fromlen - offsetof(struct sockaddr_un, sun_path));
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71 return 0;
72}
73
74
75static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd,
76 struct sockaddr_un *from,
77 socklen_t fromlen)
78{
79 struct wpa_ctrl_dst *dst, *prev = NULL;
80
81 dst = hapd->ctrl_dst;
82 while (dst) {
83 if (fromlen == dst->addrlen &&
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84 os_memcmp(from->sun_path, dst->addr.sun_path,
85 fromlen - offsetof(struct sockaddr_un, sun_path))
86 == 0) {
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87 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached",
88 (u8 *) from->sun_path,
89 fromlen -
90 offsetof(struct sockaddr_un, sun_path));
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91 if (prev == NULL)
92 hapd->ctrl_dst = dst->next;
93 else
94 prev->next = dst->next;
a875087d 95 os_free(dst);
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96 return 0;
97 }
98 prev = dst;
99 dst = dst->next;
100 }
101 return -1;
102}
103
104
105static int hostapd_ctrl_iface_level(struct hostapd_data *hapd,
106 struct sockaddr_un *from,
107 socklen_t fromlen,
108 char *level)
109{
110 struct wpa_ctrl_dst *dst;
111
112 wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
113
114 dst = hapd->ctrl_dst;
115 while (dst) {
116 if (fromlen == dst->addrlen &&
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117 os_memcmp(from->sun_path, dst->addr.sun_path,
118 fromlen - offsetof(struct sockaddr_un, sun_path))
119 == 0) {
ebfa2275 120 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor "
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121 "level", (u8 *) from->sun_path, fromlen -
122 offsetof(struct sockaddr_un, sun_path));
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123 dst->debug_level = atoi(level);
124 return 0;
125 }
126 dst = dst->next;
127 }
128
129 return -1;
130}
131
132
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133static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
134 const char *txtaddr)
ebfa2275 135{
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136 u8 addr[ETH_ALEN];
137 struct sta_info *sta;
ebfa2275 138
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139 wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr);
140
141 if (hwaddr_aton(txtaddr, addr))
142 return -1;
143
144 sta = ap_get_sta(hapd, addr);
145 if (sta)
146 return 0;
147
148 wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface "
149 "notification", MAC2STR(addr));
150 sta = ap_sta_add(hapd, addr);
151 if (sta == NULL)
152 return -1;
153
154 hostapd_new_assoc_sta(hapd, sta, 0);
155 return 0;
156}
157
158
159#ifdef CONFIG_IEEE80211W
160#ifdef NEED_AP_MLME
161static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd,
162 const char *txtaddr)
163{
164 u8 addr[ETH_ALEN];
165 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
166
167 wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr);
168
169 if (hwaddr_aton(txtaddr, addr) ||
170 os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0)
171 return -1;
172
173 ieee802_11_send_sa_query_req(hapd, addr, trans_id);
174
175 return 0;
176}
177#endif /* NEED_AP_MLME */
178#endif /* CONFIG_IEEE80211W */
179
180
181#ifdef CONFIG_WPS
182static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt)
183{
184 char *pin = os_strchr(txt, ' ');
185 char *timeout_txt;
186 int timeout;
187 u8 addr_buf[ETH_ALEN], *addr = NULL;
188 char *pos;
189
190 if (pin == NULL)
191 return -1;
192 *pin++ = '\0';
193
194 timeout_txt = os_strchr(pin, ' ');
195 if (timeout_txt) {
196 *timeout_txt++ = '\0';
197 timeout = atoi(timeout_txt);
198 pos = os_strchr(timeout_txt, ' ');
199 if (pos) {
200 *pos++ = '\0';
201 if (hwaddr_aton(pos, addr_buf) == 0)
202 addr = addr_buf;
203 }
204 } else
205 timeout = 0;
206
207 return hostapd_wps_add_pin(hapd, addr, txt, pin, timeout);
208}
209
210
211static int hostapd_ctrl_iface_wps_check_pin(
212 struct hostapd_data *hapd, char *cmd, char *buf, size_t buflen)
213{
214 char pin[9];
215 size_t len;
216 char *pos;
217 int ret;
218
219 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
220 (u8 *) cmd, os_strlen(cmd));
221 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
222 if (*pos < '0' || *pos > '9')
223 continue;
224 pin[len++] = *pos;
225 if (len == 9) {
226 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
227 return -1;
228 }
229 }
230 if (len != 4 && len != 8) {
231 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
232 return -1;
233 }
234 pin[len] = '\0';
235
236 if (len == 8) {
237 unsigned int pin_val;
238 pin_val = atoi(pin);
239 if (!wps_pin_valid(pin_val)) {
240 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
241 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
242 if (ret < 0 || (size_t) ret >= buflen)
243 return -1;
244 return ret;
245 }
246 }
247
248 ret = os_snprintf(buf, buflen, "%s", pin);
249 if (ret < 0 || (size_t) ret >= buflen)
250 return -1;
251
252 return ret;
253}
254
255
256#ifdef CONFIG_WPS_NFC
257static int hostapd_ctrl_iface_wps_nfc_tag_read(struct hostapd_data *hapd,
258 char *pos)
259{
260 size_t len;
261 struct wpabuf *buf;
262 int ret;
263
264 len = os_strlen(pos);
265 if (len & 0x01)
266 return -1;
267 len /= 2;
268
269 buf = wpabuf_alloc(len);
270 if (buf == NULL)
271 return -1;
272 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
273 wpabuf_free(buf);
274 return -1;
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275 }
276
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277 ret = hostapd_wps_nfc_tag_read(hapd, buf);
278 wpabuf_free(buf);
279
280 return ret;
281}
282
283
284static int hostapd_ctrl_iface_wps_nfc_config_token(struct hostapd_data *hapd,
285 char *cmd, char *reply,
286 size_t max_len)
287{
288 int ndef;
289 struct wpabuf *buf;
290 int res;
291
292 if (os_strcmp(cmd, "WPS") == 0)
293 ndef = 0;
294 else if (os_strcmp(cmd, "NDEF") == 0)
295 ndef = 1;
296 else
297 return -1;
298
299 buf = hostapd_wps_nfc_config_token(hapd, ndef);
300 if (buf == NULL)
301 return -1;
302
303 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
304 wpabuf_len(buf));
305 reply[res++] = '\n';
306 reply[res] = '\0';
307
308 wpabuf_free(buf);
309
310 return res;
311}
312
313
314static int hostapd_ctrl_iface_wps_nfc_token_gen(struct hostapd_data *hapd,
315 char *reply, size_t max_len,
316 int ndef)
317{
318 struct wpabuf *buf;
319 int res;
320
321 buf = hostapd_wps_nfc_token_gen(hapd, ndef);
322 if (buf == NULL)
323 return -1;
324
325 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
326 wpabuf_len(buf));
327 reply[res++] = '\n';
328 reply[res] = '\0';
ebfa2275 329
4781064b 330 wpabuf_free(buf);
ebfa2275 331
4781064b 332 return res;
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333}
334
335
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336static int hostapd_ctrl_iface_wps_nfc_token(struct hostapd_data *hapd,
337 char *cmd, char *reply,
338 size_t max_len)
ebfa2275 339{
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340 if (os_strcmp(cmd, "WPS") == 0)
341 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
342 max_len, 0);
343
344 if (os_strcmp(cmd, "NDEF") == 0)
345 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
346 max_len, 1);
347
348 if (os_strcmp(cmd, "enable") == 0)
349 return hostapd_wps_nfc_token_enable(hapd);
350
351 if (os_strcmp(cmd, "disable") == 0) {
352 hostapd_wps_nfc_token_disable(hapd);
353 return 0;
354 }
355
356 return -1;
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357}
358
359
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360static int hostapd_ctrl_iface_nfc_get_handover_sel(struct hostapd_data *hapd,
361 char *cmd, char *reply,
362 size_t max_len)
ebfa2275 363{
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364 struct wpabuf *buf;
365 int res;
366 char *pos;
367 int ndef;
368
369 pos = os_strchr(cmd, ' ');
370 if (pos == NULL)
371 return -1;
372 *pos++ = '\0';
373
374 if (os_strcmp(cmd, "WPS") == 0)
375 ndef = 0;
376 else if (os_strcmp(cmd, "NDEF") == 0)
377 ndef = 1;
378 else
379 return -1;
380
381 if (os_strcmp(pos, "WPS-CR") == 0)
382 buf = hostapd_wps_nfc_hs_cr(hapd, ndef);
383 else
384 buf = NULL;
385 if (buf == NULL)
386 return -1;
387
388 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
389 wpabuf_len(buf));
390 reply[res++] = '\n';
391 reply[res] = '\0';
392
393 wpabuf_free(buf);
394
395 return res;
396}
397
398
399static int hostapd_ctrl_iface_nfc_report_handover(struct hostapd_data *hapd,
400 char *cmd)
401{
402 size_t len;
403 struct wpabuf *req, *sel;
ebfa2275 404 int ret;
4781064b 405 char *pos, *role, *type, *pos2;
ebfa2275 406
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407 role = cmd;
408 pos = os_strchr(role, ' ');
409 if (pos == NULL)
410 return -1;
411 *pos++ = '\0';
412
413 type = pos;
414 pos = os_strchr(type, ' ');
415 if (pos == NULL)
416 return -1;
417 *pos++ = '\0';
418
419 pos2 = os_strchr(pos, ' ');
420 if (pos2 == NULL)
421 return -1;
422 *pos2++ = '\0';
423
424 len = os_strlen(pos);
425 if (len & 0x01)
426 return -1;
427 len /= 2;
428
429 req = wpabuf_alloc(len);
430 if (req == NULL)
431 return -1;
432 if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
433 wpabuf_free(req);
434 return -1;
435 }
436
437 len = os_strlen(pos2);
438 if (len & 0x01) {
439 wpabuf_free(req);
440 return -1;
441 }
442 len /= 2;
443
444 sel = wpabuf_alloc(len);
445 if (sel == NULL) {
446 wpabuf_free(req);
447 return -1;
448 }
449 if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
450 wpabuf_free(req);
451 wpabuf_free(sel);
452 return -1;
453 }
454
455 if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0) {
456 ret = hostapd_wps_nfc_report_handover(hapd, req, sel);
457 } else {
458 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
459 "reported: role=%s type=%s", role, type);
460 ret = -1;
461 }
462 wpabuf_free(req);
463 wpabuf_free(sel);
464
465 return ret;
466}
467
468#endif /* CONFIG_WPS_NFC */
469
470
471static int hostapd_ctrl_iface_wps_ap_pin(struct hostapd_data *hapd, char *txt,
472 char *buf, size_t buflen)
473{
474 int timeout = 300;
475 char *pos;
476 const char *pin_txt;
477
478 pos = os_strchr(txt, ' ');
479 if (pos)
480 *pos++ = '\0';
481
482 if (os_strcmp(txt, "disable") == 0) {
483 hostapd_wps_ap_pin_disable(hapd);
484 return os_snprintf(buf, buflen, "OK\n");
485 }
486
487 if (os_strcmp(txt, "random") == 0) {
488 if (pos)
489 timeout = atoi(pos);
490 pin_txt = hostapd_wps_ap_pin_random(hapd, timeout);
491 if (pin_txt == NULL)
492 return -1;
493 return os_snprintf(buf, buflen, "%s", pin_txt);
494 }
495
496 if (os_strcmp(txt, "get") == 0) {
497 pin_txt = hostapd_wps_ap_pin_get(hapd);
498 if (pin_txt == NULL)
499 return -1;
500 return os_snprintf(buf, buflen, "%s", pin_txt);
501 }
502
503 if (os_strcmp(txt, "set") == 0) {
504 char *pin;
505 if (pos == NULL)
506 return -1;
507 pin = pos;
508 pos = os_strchr(pos, ' ');
509 if (pos) {
510 *pos++ = '\0';
511 timeout = atoi(pos);
512 }
513 if (os_strlen(pin) > buflen)
514 return -1;
515 if (hostapd_wps_ap_pin_set(hapd, pin, timeout) < 0)
516 return -1;
517 return os_snprintf(buf, buflen, "%s", pin);
518 }
519
520 return -1;
521}
522
523
524static int hostapd_ctrl_iface_wps_config(struct hostapd_data *hapd, char *txt)
525{
526 char *pos;
527 char *ssid, *auth, *encr = NULL, *key = NULL;
528
529 ssid = txt;
530 pos = os_strchr(txt, ' ');
531 if (!pos)
532 return -1;
533 *pos++ = '\0';
534
535 auth = pos;
536 pos = os_strchr(pos, ' ');
537 if (pos) {
538 *pos++ = '\0';
539 encr = pos;
540 pos = os_strchr(pos, ' ');
541 if (pos) {
542 *pos++ = '\0';
543 key = pos;
544 }
545 }
546
547 return hostapd_wps_config_ap(hapd, ssid, auth, encr, key);
548}
549
550
551static const char * pbc_status_str(enum pbc_status status)
552{
553 switch (status) {
554 case WPS_PBC_STATUS_DISABLE:
555 return "Disabled";
556 case WPS_PBC_STATUS_ACTIVE:
557 return "Active";
558 case WPS_PBC_STATUS_TIMEOUT:
559 return "Timed-out";
560 case WPS_PBC_STATUS_OVERLAP:
561 return "Overlap";
562 default:
563 return "Unknown";
564 }
565}
566
567
568static int hostapd_ctrl_iface_wps_get_status(struct hostapd_data *hapd,
569 char *buf, size_t buflen)
570{
571 int ret;
572 char *pos, *end;
573
574 pos = buf;
575 end = buf + buflen;
576
577 ret = os_snprintf(pos, end - pos, "PBC Status: %s\n",
578 pbc_status_str(hapd->wps_stats.pbc_status));
579
580 if (ret < 0 || ret >= end - pos)
581 return pos - buf;
582 pos += ret;
583
584 ret = os_snprintf(pos, end - pos, "Last WPS result: %s\n",
585 (hapd->wps_stats.status == WPS_STATUS_SUCCESS ?
586 "Success":
587 (hapd->wps_stats.status == WPS_STATUS_FAILURE ?
588 "Failed" : "None")));
589
590 if (ret < 0 || ret >= end - pos)
591 return pos - buf;
592 pos += ret;
593
594 /* If status == Failure - Add possible Reasons */
595 if(hapd->wps_stats.status == WPS_STATUS_FAILURE &&
596 hapd->wps_stats.failure_reason > 0) {
597 ret = os_snprintf(pos, end - pos,
598 "Failure Reason: %s\n",
599 wps_ei_str(hapd->wps_stats.failure_reason));
600
601 if (ret < 0 || ret >= end - pos)
602 return pos - buf;
603 pos += ret;
604 }
605
606 if (hapd->wps_stats.status) {
607 ret = os_snprintf(pos, end - pos, "Peer Address: " MACSTR "\n",
608 MAC2STR(hapd->wps_stats.peer_addr));
609
610 if (ret < 0 || ret >= end - pos)
611 return pos - buf;
612 pos += ret;
613 }
614
615 return pos - buf;
616}
617
618#endif /* CONFIG_WPS */
619
620
621#ifdef CONFIG_INTERWORKING
622
623static int hostapd_ctrl_iface_set_qos_map_set(struct hostapd_data *hapd,
624 const char *cmd)
625{
626 u8 qos_map_set[16 + 2 * 21], count = 0;
627 const char *pos = cmd;
628 int val, ret;
629
630 for (;;) {
631 if (count == sizeof(qos_map_set)) {
632 wpa_printf(MSG_ERROR, "Too many qos_map_set parameters");
633 return -1;
634 }
635
636 val = atoi(pos);
637 if (val < 0 || val > 255) {
638 wpa_printf(MSG_INFO, "Invalid QoS Map Set");
639 return -1;
640 }
641
642 qos_map_set[count++] = val;
643 pos = os_strchr(pos, ',');
644 if (!pos)
645 break;
646 pos++;
ebfa2275 647 }
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648
649 if (count < 16 || count & 1) {
650 wpa_printf(MSG_INFO, "Invalid QoS Map Set");
651 return -1;
652 }
653
654 ret = hostapd_drv_set_qos_map(hapd, qos_map_set, count);
655 if (ret) {
656 wpa_printf(MSG_INFO, "Failed to set QoS Map Set");
657 return -1;
658 }
659
660 os_memcpy(hapd->conf->qos_map_set, qos_map_set, count);
661 hapd->conf->qos_map_set_len = count;
662
663 return 0;
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664}
665
666
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667static int hostapd_ctrl_iface_send_qos_map_conf(struct hostapd_data *hapd,
668 const char *cmd)
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669{
670 u8 addr[ETH_ALEN];
671 struct sta_info *sta;
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672 struct wpabuf *buf;
673 u8 *qos_map_set = hapd->conf->qos_map_set;
674 u8 qos_map_set_len = hapd->conf->qos_map_set_len;
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675 int ret;
676
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677 if (!qos_map_set_len) {
678 wpa_printf(MSG_INFO, "QoS Map Set is not set");
679 return -1;
680 }
681
682 if (hwaddr_aton(cmd, addr))
683 return -1;
684
685 sta = ap_get_sta(hapd, addr);
686 if (sta == NULL) {
687 wpa_printf(MSG_DEBUG, "Station " MACSTR " not found "
688 "for QoS Map Configuration message",
689 MAC2STR(addr));
690 return -1;
691 }
692
693 if (!sta->qos_map_enabled) {
694 wpa_printf(MSG_DEBUG, "Station " MACSTR " did not indicate "
695 "support for QoS Map", MAC2STR(addr));
696 return -1;
697 }
698
699 buf = wpabuf_alloc(2 + 2 + qos_map_set_len);
700 if (buf == NULL)
701 return -1;
702
703 wpabuf_put_u8(buf, WLAN_ACTION_QOS);
704 wpabuf_put_u8(buf, QOS_QOS_MAP_CONFIG);
705
706 /* QoS Map Set Element */
707 wpabuf_put_u8(buf, WLAN_EID_QOS_MAP_SET);
708 wpabuf_put_u8(buf, qos_map_set_len);
709 wpabuf_put_data(buf, qos_map_set, qos_map_set_len);
710
711 ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
712 wpabuf_head(buf), wpabuf_len(buf));
713 wpabuf_free(buf);
714
715 return ret;
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716}
717
4781064b 718#endif /* CONFIG_INTERWORKING */
ebfa2275 719
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720
721#ifdef CONFIG_WNM
722
723static int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd,
724 const char *cmd)
ebfa2275
SZ
725{
726 u8 addr[ETH_ALEN];
4781064b 727 int disassoc_timer;
ebfa2275
SZ
728 struct sta_info *sta;
729
4781064b
JM
730 if (hwaddr_aton(cmd, addr))
731 return -1;
732 if (cmd[17] != ' ')
733 return -1;
734 disassoc_timer = atoi(cmd + 17);
ebfa2275 735
4781064b
JM
736 sta = ap_get_sta(hapd, addr);
737 if (sta == NULL) {
738 wpa_printf(MSG_DEBUG, "Station " MACSTR
739 " not found for disassociation imminent message",
740 MAC2STR(addr));
741 return -1;
742 }
743
744 return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer);
745}
746
747
748static int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd,
749 const char *cmd)
750{
751 u8 addr[ETH_ALEN];
752 const char *url, *timerstr;
753 int disassoc_timer;
754 struct sta_info *sta;
755
756 if (hwaddr_aton(cmd, addr))
ebfa2275
SZ
757 return -1;
758
759 sta = ap_get_sta(hapd, addr);
4781064b
JM
760 if (sta == NULL) {
761 wpa_printf(MSG_DEBUG, "Station " MACSTR
762 " not found for ESS disassociation imminent message",
763 MAC2STR(addr));
764 return -1;
765 }
ebfa2275 766
4781064b
JM
767 timerstr = cmd + 17;
768 if (*timerstr != ' ')
ebfa2275 769 return -1;
4781064b
JM
770 timerstr++;
771 disassoc_timer = atoi(timerstr);
772 if (disassoc_timer < 0 || disassoc_timer > 65535)
773 return -1;
774
775 url = os_strchr(timerstr, ' ');
776 if (url == NULL)
777 return -1;
778 url++;
779
780 return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer);
781}
782
783#endif /* CONFIG_WNM */
784
785
786static int hostapd_ctrl_iface_get_config(struct hostapd_data *hapd,
787 char *buf, size_t buflen)
788{
789 int ret;
790 char *pos, *end;
791
792 pos = buf;
793 end = buf + buflen;
794
795 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n"
796 "ssid=%s\n",
797 MAC2STR(hapd->own_addr),
798 wpa_ssid_txt(hapd->conf->ssid.ssid,
799 hapd->conf->ssid.ssid_len));
800 if (ret < 0 || ret >= end - pos)
801 return pos - buf;
802 pos += ret;
803
804#ifdef CONFIG_WPS
805 ret = os_snprintf(pos, end - pos, "wps_state=%s\n",
806 hapd->conf->wps_state == 0 ? "disabled" :
807 (hapd->conf->wps_state == 1 ? "not configured" :
808 "configured"));
809 if (ret < 0 || ret >= end - pos)
810 return pos - buf;
811 pos += ret;
812
813 if (hapd->conf->wps_state && hapd->conf->wpa &&
814 hapd->conf->ssid.wpa_passphrase) {
815 ret = os_snprintf(pos, end - pos, "passphrase=%s\n",
816 hapd->conf->ssid.wpa_passphrase);
817 if (ret < 0 || ret >= end - pos)
818 return pos - buf;
819 pos += ret;
820 }
821
822 if (hapd->conf->wps_state && hapd->conf->wpa &&
823 hapd->conf->ssid.wpa_psk &&
824 hapd->conf->ssid.wpa_psk->group) {
825 char hex[PMK_LEN * 2 + 1];
826 wpa_snprintf_hex(hex, sizeof(hex),
827 hapd->conf->ssid.wpa_psk->psk, PMK_LEN);
828 ret = os_snprintf(pos, end - pos, "psk=%s\n", hex);
829 if (ret < 0 || ret >= end - pos)
830 return pos - buf;
831 pos += ret;
832 }
833#endif /* CONFIG_WPS */
834
835 if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) {
836 ret = os_snprintf(pos, end - pos, "key_mgmt=");
837 if (ret < 0 || ret >= end - pos)
838 return pos - buf;
839 pos += ret;
840
841 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) {
842 ret = os_snprintf(pos, end - pos, "WPA-PSK ");
843 if (ret < 0 || ret >= end - pos)
844 return pos - buf;
845 pos += ret;
846 }
847 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
848 ret = os_snprintf(pos, end - pos, "WPA-EAP ");
849 if (ret < 0 || ret >= end - pos)
850 return pos - buf;
851 pos += ret;
852 }
853#ifdef CONFIG_IEEE80211R
854 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) {
855 ret = os_snprintf(pos, end - pos, "FT-PSK ");
856 if (ret < 0 || ret >= end - pos)
857 return pos - buf;
858 pos += ret;
859 }
860 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
861 ret = os_snprintf(pos, end - pos, "FT-EAP ");
862 if (ret < 0 || ret >= end - pos)
863 return pos - buf;
864 pos += ret;
865 }
866#endif /* CONFIG_IEEE80211R */
867#ifdef CONFIG_IEEE80211W
868 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
869 ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 ");
870 if (ret < 0 || ret >= end - pos)
871 return pos - buf;
872 pos += ret;
873 }
874 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
875 ret = os_snprintf(pos, end - pos, "WPA-EAP-SHA256 ");
876 if (ret < 0 || ret >= end - pos)
877 return pos - buf;
878 pos += ret;
879 }
880#endif /* CONFIG_IEEE80211W */
881
882 ret = os_snprintf(pos, end - pos, "\n");
883 if (ret < 0 || ret >= end - pos)
884 return pos - buf;
885 pos += ret;
886 }
887
888 if (hapd->conf->wpa) {
889 ret = os_snprintf(pos, end - pos, "group_cipher=%s\n",
890 wpa_cipher_txt(hapd->conf->wpa_group));
891 if (ret < 0 || ret >= end - pos)
892 return pos - buf;
893 pos += ret;
894 }
895
896 if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->rsn_pairwise) {
897 ret = os_snprintf(pos, end - pos, "rsn_pairwise_cipher=");
898 if (ret < 0 || ret >= end - pos)
899 return pos - buf;
900 pos += ret;
901
902 ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise,
903 " ");
904 if (ret < 0)
905 return pos - buf;
906 pos += ret;
907
908 ret = os_snprintf(pos, end - pos, "\n");
909 if (ret < 0 || ret >= end - pos)
910 return pos - buf;
911 pos += ret;
912 }
913
914 if ((hapd->conf->wpa & WPA_PROTO_WPA) && hapd->conf->wpa_pairwise) {
915 ret = os_snprintf(pos, end - pos, "wpa_pairwise_cipher=");
916 if (ret < 0 || ret >= end - pos)
917 return pos - buf;
918 pos += ret;
919
920 ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise,
921 " ");
922 if (ret < 0)
923 return pos - buf;
924 pos += ret;
925
926 ret = os_snprintf(pos, end - pos, "\n");
927 if (ret < 0 || ret >= end - pos)
928 return pos - buf;
929 pos += ret;
930 }
931
932 return pos - buf;
933}
934
935
936static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd)
937{
938 char *value;
939 int ret = 0;
940
941 value = os_strchr(cmd, ' ');
942 if (value == NULL)
943 return -1;
944 *value++ = '\0';
945
946 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
947 if (0) {
948#ifdef CONFIG_WPS_TESTING
949 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
950 long int val;
951 val = strtol(value, NULL, 0);
952 if (val < 0 || val > 0xff) {
953 ret = -1;
954 wpa_printf(MSG_DEBUG, "WPS: Invalid "
955 "wps_version_number %ld", val);
956 } else {
957 wps_version_number = val;
958 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
959 "version %u.%u",
960 (wps_version_number & 0xf0) >> 4,
961 wps_version_number & 0x0f);
962 hostapd_wps_update_ie(hapd);
963 }
964 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
965 wps_testing_dummy_cred = atoi(value);
966 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
967 wps_testing_dummy_cred);
968 } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
969 wps_corrupt_pkhash = atoi(value);
970 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
971 wps_corrupt_pkhash);
972#endif /* CONFIG_WPS_TESTING */
973#ifdef CONFIG_INTERWORKING
974 } else if (os_strcasecmp(cmd, "gas_frag_limit") == 0) {
975 int val = atoi(value);
976 if (val <= 0)
977 ret = -1;
978 else
979 hapd->gas_frag_limit = val;
980#endif /* CONFIG_INTERWORKING */
981#ifdef CONFIG_TESTING_OPTIONS
982 } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
983 hapd->ext_mgmt_frame_handling = atoi(value);
984#endif /* CONFIG_TESTING_OPTIONS */
985 } else {
986 ret = hostapd_set_iface(hapd->iconf, hapd->conf, cmd, value);
987 }
988
989 return ret;
990}
991
992
993static int hostapd_ctrl_iface_get(struct hostapd_data *hapd, char *cmd,
994 char *buf, size_t buflen)
995{
996 int res;
997
998 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
999
1000 if (os_strcmp(cmd, "version") == 0) {
1001 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
1002 if (res < 0 || (unsigned int) res >= buflen)
1003 return -1;
1004 return res;
1005 }
1006
1007 return -1;
1008}
1009
1010
1011static int hostapd_ctrl_iface_enable(struct hostapd_iface *iface)
1012{
1013 if (hostapd_enable_iface(iface) < 0) {
1014 wpa_printf(MSG_ERROR, "Enabling of interface failed");
1015 return -1;
1016 }
1017 return 0;
1018}
1019
1020
1021static int hostapd_ctrl_iface_reload(struct hostapd_iface *iface)
1022{
1023 if (hostapd_reload_iface(iface) < 0) {
1024 wpa_printf(MSG_ERROR, "Reloading of interface failed");
1025 return -1;
1026 }
1027 return 0;
1028}
1029
1030
1031static int hostapd_ctrl_iface_disable(struct hostapd_iface *iface)
1032{
1033 if (hostapd_disable_iface(iface) < 0) {
1034 wpa_printf(MSG_ERROR, "Disabling of interface failed");
1035 return -1;
1036 }
1037 return 0;
1038}
1039
1040
1041#ifdef CONFIG_TESTING_OPTIONS
1042
1043static int hostapd_ctrl_iface_radar(struct hostapd_data *hapd, char *cmd)
1044{
1045 union wpa_event_data data;
1046 char *pos, *param;
1047 enum wpa_event_type event;
1048
1049 wpa_printf(MSG_DEBUG, "RADAR TEST: %s", cmd);
1050
1051 os_memset(&data, 0, sizeof(data));
1052
1053 param = os_strchr(cmd, ' ');
1054 if (param == NULL)
1055 return -1;
1056 *param++ = '\0';
1057
1058 if (os_strcmp(cmd, "DETECTED") == 0)
1059 event = EVENT_DFS_RADAR_DETECTED;
1060 else if (os_strcmp(cmd, "CAC-FINISHED") == 0)
1061 event = EVENT_DFS_CAC_FINISHED;
1062 else if (os_strcmp(cmd, "CAC-ABORTED") == 0)
1063 event = EVENT_DFS_CAC_ABORTED;
1064 else if (os_strcmp(cmd, "NOP-FINISHED") == 0)
1065 event = EVENT_DFS_NOP_FINISHED;
1066 else {
1067 wpa_printf(MSG_DEBUG, "Unsupported RADAR test command: %s",
1068 cmd);
1069 return -1;
1070 }
1071
1072 pos = os_strstr(param, "freq=");
1073 if (pos)
1074 data.dfs_event.freq = atoi(pos + 5);
1075
1076 pos = os_strstr(param, "ht_enabled=1");
1077 if (pos)
1078 data.dfs_event.ht_enabled = 1;
1079
1080 pos = os_strstr(param, "chan_offset=");
1081 if (pos)
1082 data.dfs_event.chan_offset = atoi(pos + 12);
1083
1084 pos = os_strstr(param, "chan_width=");
1085 if (pos)
1086 data.dfs_event.chan_width = atoi(pos + 11);
1087
1088 pos = os_strstr(param, "cf1=");
1089 if (pos)
1090 data.dfs_event.cf1 = atoi(pos + 4);
1091
1092 pos = os_strstr(param, "cf2=");
1093 if (pos)
1094 data.dfs_event.cf2 = atoi(pos + 4);
1095
1096 wpa_supplicant_event(hapd, event, &data);
ebfa2275 1097
ebfa2275
SZ
1098 return 0;
1099}
1100
1101
4781064b 1102static int hostapd_ctrl_iface_mgmt_tx(struct hostapd_data *hapd, char *cmd)
a875087d 1103{
4781064b
JM
1104 size_t len;
1105 u8 *buf;
1106 int res;
a875087d 1107
4781064b 1108 wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
a875087d 1109
4781064b
JM
1110 len = os_strlen(cmd);
1111 if (len & 1)
a875087d 1112 return -1;
4781064b 1113 len /= 2;
a875087d 1114
4781064b
JM
1115 buf = os_malloc(len);
1116 if (buf == NULL)
1117 return -1;
a875087d 1118
4781064b
JM
1119 if (hexstr2bin(cmd, buf, len) < 0) {
1120 os_free(buf);
1121 return -1;
1122 }
1123
1124 res = hostapd_drv_send_mlme(hapd, buf, len, 0);
1125 os_free(buf);
1126 return res;
a875087d 1127}
a875087d 1128
4781064b 1129#endif /* CONFIG_TESTING_OPTIONS */
a875087d 1130
4781064b
JM
1131
1132static int hostapd_ctrl_iface_chan_switch(struct hostapd_data *hapd, char *pos)
a875087d 1133{
4781064b
JM
1134#ifdef NEED_AP_MLME
1135 struct csa_settings settings;
1136 int ret = hostapd_parse_csa_settings(pos, &settings);
a875087d 1137
4781064b
JM
1138 if (ret)
1139 return ret;
a875087d 1140
4781064b
JM
1141 return hostapd_switch_channel(hapd, &settings);
1142#else /* NEED_AP_MLME */
1143 return -1;
1144#endif /* NEED_AP_MLME */
1145}
a875087d 1146
4781064b
JM
1147
1148static int hostapd_ctrl_iface_mib(struct hostapd_data *hapd, char *reply,
1149 int reply_size, const char *param)
1150{
1151#ifdef RADIUS_SERVER
1152 if (os_strcmp(param, "radius_server") == 0) {
1153 return radius_server_get_mib(hapd->radius_srv, reply,
1154 reply_size);
1155 }
1156#endif /* RADIUS_SERVER */
1157 return -1;
a875087d 1158}
a875087d
JL
1159
1160
ebfa2275
SZ
1161static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
1162 void *sock_ctx)
1163{
1164 struct hostapd_data *hapd = eloop_ctx;
4781064b 1165 char buf[4096];
ebfa2275
SZ
1166 int res;
1167 struct sockaddr_un from;
1168 socklen_t fromlen = sizeof(from);
1169 char *reply;
1170 const int reply_size = 4096;
1171 int reply_len;
4781064b 1172 int level = MSG_DEBUG;
ebfa2275
SZ
1173
1174 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
1175 (struct sockaddr *) &from, &fromlen);
1176 if (res < 0) {
1177 perror("recvfrom(ctrl_iface)");
1178 return;
1179 }
1180 buf[res] = '\0';
4781064b
JM
1181 if (os_strcmp(buf, "PING") == 0)
1182 level = MSG_EXCESSIVE;
1183 wpa_hexdump_ascii(level, "RX ctrl_iface", (u8 *) buf, res);
ebfa2275 1184
a875087d 1185 reply = os_malloc(reply_size);
ebfa2275
SZ
1186 if (reply == NULL) {
1187 sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
1188 fromlen);
1189 return;
1190 }
1191
a875087d 1192 os_memcpy(reply, "OK\n", 3);
ebfa2275
SZ
1193 reply_len = 3;
1194
a875087d
JL
1195 if (os_strcmp(buf, "PING") == 0) {
1196 os_memcpy(reply, "PONG\n", 5);
ebfa2275 1197 reply_len = 5;
4781064b
JM
1198 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
1199 if (wpa_debug_reopen_file() < 0)
1200 reply_len = -1;
1201 } else if (os_strcmp(buf, "STATUS") == 0) {
1202 reply_len = hostapd_ctrl_iface_status(hapd, reply,
1203 reply_size);
1204 } else if (os_strcmp(buf, "STATUS-DRIVER") == 0) {
1205 reply_len = hostapd_drv_status(hapd, reply, reply_size);
a875087d 1206 } else if (os_strcmp(buf, "MIB") == 0) {
ebfa2275
SZ
1207 reply_len = ieee802_11_get_mib(hapd, reply, reply_size);
1208 if (reply_len >= 0) {
1209 res = wpa_get_mib(hapd->wpa_auth, reply + reply_len,
1210 reply_size - reply_len);
1211 if (res < 0)
1212 reply_len = -1;
1213 else
1214 reply_len += res;
1215 }
1216 if (reply_len >= 0) {
1217 res = ieee802_1x_get_mib(hapd, reply + reply_len,
1218 reply_size - reply_len);
1219 if (res < 0)
1220 reply_len = -1;
1221 else
1222 reply_len += res;
1223 }
4781064b 1224#ifndef CONFIG_NO_RADIUS
ebfa2275
SZ
1225 if (reply_len >= 0) {
1226 res = radius_client_get_mib(hapd->radius,
1227 reply + reply_len,
1228 reply_size - reply_len);
1229 if (res < 0)
1230 reply_len = -1;
1231 else
1232 reply_len += res;
1233 }
4781064b
JM
1234#endif /* CONFIG_NO_RADIUS */
1235 } else if (os_strncmp(buf, "MIB ", 4) == 0) {
1236 reply_len = hostapd_ctrl_iface_mib(hapd, reply, reply_size,
1237 buf + 4);
a875087d 1238 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
ebfa2275
SZ
1239 reply_len = hostapd_ctrl_iface_sta_first(hapd, reply,
1240 reply_size);
a875087d 1241 } else if (os_strncmp(buf, "STA ", 4) == 0) {
ebfa2275
SZ
1242 reply_len = hostapd_ctrl_iface_sta(hapd, buf + 4, reply,
1243 reply_size);
a875087d 1244 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
ebfa2275
SZ
1245 reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply,
1246 reply_size);
a875087d 1247 } else if (os_strcmp(buf, "ATTACH") == 0) {
ebfa2275
SZ
1248 if (hostapd_ctrl_iface_attach(hapd, &from, fromlen))
1249 reply_len = -1;
a875087d 1250 } else if (os_strcmp(buf, "DETACH") == 0) {
ebfa2275
SZ
1251 if (hostapd_ctrl_iface_detach(hapd, &from, fromlen))
1252 reply_len = -1;
a875087d 1253 } else if (os_strncmp(buf, "LEVEL ", 6) == 0) {
ebfa2275
SZ
1254 if (hostapd_ctrl_iface_level(hapd, &from, fromlen,
1255 buf + 6))
1256 reply_len = -1;
a875087d 1257 } else if (os_strncmp(buf, "NEW_STA ", 8) == 0) {
ebfa2275
SZ
1258 if (hostapd_ctrl_iface_new_sta(hapd, buf + 8))
1259 reply_len = -1;
4781064b
JM
1260 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
1261 if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15))
1262 reply_len = -1;
1263 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
1264 if (hostapd_ctrl_iface_disassociate(hapd, buf + 13))
1265 reply_len = -1;
a875087d 1266#ifdef CONFIG_IEEE80211W
4781064b 1267#ifdef NEED_AP_MLME
a875087d
JL
1268 } else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) {
1269 if (hostapd_ctrl_iface_sa_query(hapd, buf + 9))
1270 reply_len = -1;
4781064b 1271#endif /* NEED_AP_MLME */
a875087d
JL
1272#endif /* CONFIG_IEEE80211W */
1273#ifdef CONFIG_WPS
1274 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
1275 if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8))
1276 reply_len = -1;
4781064b
JM
1277 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
1278 reply_len = hostapd_ctrl_iface_wps_check_pin(
1279 hapd, buf + 14, reply, reply_size);
a875087d 1280 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4781064b
JM
1281 if (hostapd_wps_button_pushed(hapd, NULL))
1282 reply_len = -1;
1283 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
1284 if (hostapd_wps_cancel(hapd))
a875087d 1285 reply_len = -1;
4781064b
JM
1286 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
1287 reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11,
1288 reply, reply_size);
1289 } else if (os_strncmp(buf, "WPS_CONFIG ", 11) == 0) {
1290 if (hostapd_ctrl_iface_wps_config(hapd, buf + 11) < 0)
1291 reply_len = -1;
1292 } else if (os_strncmp(buf, "WPS_GET_STATUS", 13) == 0) {
1293 reply_len = hostapd_ctrl_iface_wps_get_status(hapd, reply,
1294 reply_size);
1295#ifdef CONFIG_WPS_NFC
1296 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
1297 if (hostapd_ctrl_iface_wps_nfc_tag_read(hapd, buf + 17))
1298 reply_len = -1;
1299 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
1300 reply_len = hostapd_ctrl_iface_wps_nfc_config_token(
1301 hapd, buf + 21, reply, reply_size);
1302 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
1303 reply_len = hostapd_ctrl_iface_wps_nfc_token(
1304 hapd, buf + 14, reply, reply_size);
1305 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
1306 reply_len = hostapd_ctrl_iface_nfc_get_handover_sel(
1307 hapd, buf + 21, reply, reply_size);
1308 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
1309 if (hostapd_ctrl_iface_nfc_report_handover(hapd, buf + 20))
1310 reply_len = -1;
1311#endif /* CONFIG_WPS_NFC */
a875087d 1312#endif /* CONFIG_WPS */
4781064b
JM
1313#ifdef CONFIG_INTERWORKING
1314 } else if (os_strncmp(buf, "SET_QOS_MAP_SET ", 16) == 0) {
1315 if (hostapd_ctrl_iface_set_qos_map_set(hapd, buf + 16))
1316 reply_len = -1;
1317 } else if (os_strncmp(buf, "SEND_QOS_MAP_CONF ", 18) == 0) {
1318 if (hostapd_ctrl_iface_send_qos_map_conf(hapd, buf + 18))
1319 reply_len = -1;
1320#endif /* CONFIG_INTERWORKING */
1321#ifdef CONFIG_WNM
1322 } else if (os_strncmp(buf, "DISASSOC_IMMINENT ", 18) == 0) {
1323 if (hostapd_ctrl_iface_disassoc_imminent(hapd, buf + 18))
1324 reply_len = -1;
1325 } else if (os_strncmp(buf, "ESS_DISASSOC ", 13) == 0) {
1326 if (hostapd_ctrl_iface_ess_disassoc(hapd, buf + 13))
1327 reply_len = -1;
1328#endif /* CONFIG_WNM */
1329 } else if (os_strcmp(buf, "GET_CONFIG") == 0) {
1330 reply_len = hostapd_ctrl_iface_get_config(hapd, reply,
1331 reply_size);
1332 } else if (os_strncmp(buf, "SET ", 4) == 0) {
1333 if (hostapd_ctrl_iface_set(hapd, buf + 4))
1334 reply_len = -1;
1335 } else if (os_strncmp(buf, "GET ", 4) == 0) {
1336 reply_len = hostapd_ctrl_iface_get(hapd, buf + 4, reply,
1337 reply_size);
1338 } else if (os_strncmp(buf, "ENABLE", 6) == 0) {
1339 if (hostapd_ctrl_iface_enable(hapd->iface))
1340 reply_len = -1;
1341 } else if (os_strncmp(buf, "RELOAD", 6) == 0) {
1342 if (hostapd_ctrl_iface_reload(hapd->iface))
1343 reply_len = -1;
1344 } else if (os_strncmp(buf, "DISABLE", 7) == 0) {
1345 if (hostapd_ctrl_iface_disable(hapd->iface))
1346 reply_len = -1;
1347#ifdef CONFIG_TESTING_OPTIONS
1348 } else if (os_strncmp(buf, "RADAR ", 6) == 0) {
1349 if (hostapd_ctrl_iface_radar(hapd, buf + 6))
1350 reply_len = -1;
1351 } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
1352 if (hostapd_ctrl_iface_mgmt_tx(hapd, buf + 8))
1353 reply_len = -1;
1354#endif /* CONFIG_TESTING_OPTIONS */
1355 } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
1356 if (hostapd_ctrl_iface_chan_switch(hapd, buf + 12))
1357 reply_len = -1;
ebfa2275 1358 } else {
a875087d 1359 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
ebfa2275
SZ
1360 reply_len = 16;
1361 }
1362
1363 if (reply_len < 0) {
a875087d 1364 os_memcpy(reply, "FAIL\n", 5);
ebfa2275
SZ
1365 reply_len = 5;
1366 }
1367 sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, fromlen);
a875087d 1368 os_free(reply);
ebfa2275
SZ
1369}
1370
1371
1372static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
1373{
1374 char *buf;
1375 size_t len;
1376
1377 if (hapd->conf->ctrl_interface == NULL)
1378 return NULL;
1379
a875087d
JL
1380 len = os_strlen(hapd->conf->ctrl_interface) +
1381 os_strlen(hapd->conf->iface) + 2;
1382 buf = os_malloc(len);
ebfa2275
SZ
1383 if (buf == NULL)
1384 return NULL;
1385
a875087d
JL
1386 os_snprintf(buf, len, "%s/%s",
1387 hapd->conf->ctrl_interface, hapd->conf->iface);
ebfa2275
SZ
1388 buf[len - 1] = '\0';
1389 return buf;
1390}
1391
1392
4781064b 1393static void hostapd_ctrl_iface_msg_cb(void *ctx, int level, int global,
a875087d
JL
1394 const char *txt, size_t len)
1395{
1396 struct hostapd_data *hapd = ctx;
1397 if (hapd == NULL)
1398 return;
1399 hostapd_ctrl_iface_send(hapd, level, txt, len);
1400}
1401
1402
ebfa2275
SZ
1403int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
1404{
1405 struct sockaddr_un addr;
1406 int s = -1;
1407 char *fname = NULL;
1408
4781064b
JM
1409 if (hapd->ctrl_sock > -1) {
1410 wpa_printf(MSG_DEBUG, "ctrl_iface already exists!");
1411 return 0;
1412 }
ebfa2275
SZ
1413
1414 if (hapd->conf->ctrl_interface == NULL)
1415 return 0;
1416
1417 if (mkdir(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
1418 if (errno == EEXIST) {
1419 wpa_printf(MSG_DEBUG, "Using existing control "
1420 "interface directory.");
1421 } else {
1422 perror("mkdir[ctrl_interface]");
1423 goto fail;
1424 }
1425 }
1426
1427 if (hapd->conf->ctrl_interface_gid_set &&
4781064b 1428 chown(hapd->conf->ctrl_interface, -1,
ebfa2275
SZ
1429 hapd->conf->ctrl_interface_gid) < 0) {
1430 perror("chown[ctrl_interface]");
1431 return -1;
1432 }
1433
4781064b
JM
1434 if (!hapd->conf->ctrl_interface_gid_set &&
1435 hapd->iface->interfaces->ctrl_iface_group &&
1436 chown(hapd->conf->ctrl_interface, -1,
1437 hapd->iface->interfaces->ctrl_iface_group) < 0) {
1438 perror("chown[ctrl_interface]");
1439 return -1;
1440 }
1441
1442#ifdef ANDROID
1443 /*
1444 * Android is using umask 0077 which would leave the control interface
1445 * directory without group access. This breaks things since Wi-Fi
1446 * framework assumes that this directory can be accessed by other
1447 * applications in the wifi group. Fix this by adding group access even
1448 * if umask value would prevent this.
1449 */
1450 if (chmod(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
1451 wpa_printf(MSG_ERROR, "CTRL: Could not chmod directory: %s",
1452 strerror(errno));
1453 /* Try to continue anyway */
1454 }
1455#endif /* ANDROID */
1456
a875087d
JL
1457 if (os_strlen(hapd->conf->ctrl_interface) + 1 +
1458 os_strlen(hapd->conf->iface) >= sizeof(addr.sun_path))
ebfa2275
SZ
1459 goto fail;
1460
1461 s = socket(PF_UNIX, SOCK_DGRAM, 0);
1462 if (s < 0) {
1463 perror("socket(PF_UNIX)");
1464 goto fail;
1465 }
1466
a875087d
JL
1467 os_memset(&addr, 0, sizeof(addr));
1468#ifdef __FreeBSD__
1469 addr.sun_len = sizeof(addr);
1470#endif /* __FreeBSD__ */
ebfa2275
SZ
1471 addr.sun_family = AF_UNIX;
1472 fname = hostapd_ctrl_iface_path(hapd);
1473 if (fname == NULL)
1474 goto fail;
a875087d 1475 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
ebfa2275 1476 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
a875087d
JL
1477 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
1478 strerror(errno));
1479 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1480 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
1481 " allow connections - assuming it was left"
1482 "over from forced program termination");
1483 if (unlink(fname) < 0) {
1484 perror("unlink[ctrl_iface]");
1485 wpa_printf(MSG_ERROR, "Could not unlink "
1486 "existing ctrl_iface socket '%s'",
1487 fname);
1488 goto fail;
1489 }
1490 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
1491 0) {
4781064b 1492 perror("hostapd-ctrl-iface: bind(PF_UNIX)");
a875087d
JL
1493 goto fail;
1494 }
1495 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
1496 "ctrl_iface socket '%s'", fname);
1497 } else {
1498 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
1499 "be in use - cannot override it");
1500 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
1501 "not used anymore", fname);
1502 os_free(fname);
1503 fname = NULL;
1504 goto fail;
1505 }
ebfa2275
SZ
1506 }
1507
1508 if (hapd->conf->ctrl_interface_gid_set &&
4781064b
JM
1509 chown(fname, -1, hapd->conf->ctrl_interface_gid) < 0) {
1510 perror("chown[ctrl_interface/ifname]");
1511 goto fail;
1512 }
1513
1514 if (!hapd->conf->ctrl_interface_gid_set &&
1515 hapd->iface->interfaces->ctrl_iface_group &&
1516 chown(fname, -1, hapd->iface->interfaces->ctrl_iface_group) < 0) {
ebfa2275
SZ
1517 perror("chown[ctrl_interface/ifname]");
1518 goto fail;
1519 }
1520
1521 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
1522 perror("chmod[ctrl_interface/ifname]");
1523 goto fail;
1524 }
a875087d 1525 os_free(fname);
ebfa2275
SZ
1526
1527 hapd->ctrl_sock = s;
1528 eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd,
1529 NULL);
4781064b 1530 hapd->msg_ctx = hapd;
a875087d 1531 wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb);
ebfa2275
SZ
1532
1533 return 0;
1534
1535fail:
1536 if (s >= 0)
1537 close(s);
1538 if (fname) {
1539 unlink(fname);
a875087d 1540 os_free(fname);
ebfa2275
SZ
1541 }
1542 return -1;
1543}
1544
1545
1546void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
1547{
1548 struct wpa_ctrl_dst *dst, *prev;
1549
1550 if (hapd->ctrl_sock > -1) {
1551 char *fname;
1552 eloop_unregister_read_sock(hapd->ctrl_sock);
1553 close(hapd->ctrl_sock);
1554 hapd->ctrl_sock = -1;
1555 fname = hostapd_ctrl_iface_path(hapd);
1556 if (fname)
1557 unlink(fname);
a875087d 1558 os_free(fname);
ebfa2275
SZ
1559
1560 if (hapd->conf->ctrl_interface &&
1561 rmdir(hapd->conf->ctrl_interface) < 0) {
1562 if (errno == ENOTEMPTY) {
1563 wpa_printf(MSG_DEBUG, "Control interface "
1564 "directory not empty - leaving it "
1565 "behind");
1566 } else {
4781064b
JM
1567 wpa_printf(MSG_ERROR,
1568 "rmdir[ctrl_interface=%s]: %s",
1569 hapd->conf->ctrl_interface,
1570 strerror(errno));
ebfa2275
SZ
1571 }
1572 }
1573 }
1574
1575 dst = hapd->ctrl_dst;
1576 while (dst) {
1577 prev = dst;
1578 dst = dst->next;
a875087d 1579 os_free(prev);
ebfa2275
SZ
1580 }
1581}
1582
1583
4781064b
JM
1584static int hostapd_ctrl_iface_add(struct hapd_interfaces *interfaces,
1585 char *buf)
1586{
1587 if (hostapd_add_iface(interfaces, buf) < 0) {
1588 wpa_printf(MSG_ERROR, "Adding interface %s failed", buf);
1589 return -1;
1590 }
1591 return 0;
1592}
1593
1594
1595static int hostapd_ctrl_iface_remove(struct hapd_interfaces *interfaces,
1596 char *buf)
1597{
1598 if (hostapd_remove_iface(interfaces, buf) < 0) {
1599 wpa_printf(MSG_ERROR, "Removing interface %s failed", buf);
1600 return -1;
1601 }
1602 return 0;
1603}
1604
1605
1606static void hostapd_ctrl_iface_flush(struct hapd_interfaces *interfaces)
1607{
1608#ifdef CONFIG_WPS_TESTING
1609 wps_version_number = 0x20;
1610 wps_testing_dummy_cred = 0;
1611 wps_corrupt_pkhash = 0;
1612#endif /* CONFIG_WPS_TESTING */
1613}
1614
1615
1616static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
1617 void *sock_ctx)
1618{
1619 void *interfaces = eloop_ctx;
1620 char buf[256];
1621 int res;
1622 struct sockaddr_un from;
1623 socklen_t fromlen = sizeof(from);
1624 char reply[24];
1625 int reply_len;
1626
1627 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
1628 (struct sockaddr *) &from, &fromlen);
1629 if (res < 0) {
1630 perror("recvfrom(ctrl_iface)");
1631 return;
1632 }
1633 buf[res] = '\0';
1634 wpa_printf(MSG_DEBUG, "Global ctrl_iface command: %s", buf);
1635
1636 os_memcpy(reply, "OK\n", 3);
1637 reply_len = 3;
1638
1639 if (os_strcmp(buf, "PING") == 0) {
1640 os_memcpy(reply, "PONG\n", 5);
1641 reply_len = 5;
1642 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
1643 if (wpa_debug_reopen_file() < 0)
1644 reply_len = -1;
1645 } else if (os_strcmp(buf, "FLUSH") == 0) {
1646 hostapd_ctrl_iface_flush(interfaces);
1647 } else if (os_strncmp(buf, "ADD ", 4) == 0) {
1648 if (hostapd_ctrl_iface_add(interfaces, buf + 4) < 0)
1649 reply_len = -1;
1650 } else if (os_strncmp(buf, "REMOVE ", 7) == 0) {
1651 if (hostapd_ctrl_iface_remove(interfaces, buf + 7) < 0)
1652 reply_len = -1;
1653 } else {
1654 wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command "
1655 "ignored");
1656 reply_len = -1;
1657 }
1658
1659 if (reply_len < 0) {
1660 os_memcpy(reply, "FAIL\n", 5);
1661 reply_len = 5;
1662 }
1663
1664 sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, fromlen);
1665}
1666
1667
1668static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface)
1669{
1670 char *buf;
1671 size_t len;
1672
1673 if (interface->global_iface_path == NULL)
1674 return NULL;
1675
1676 len = os_strlen(interface->global_iface_path) +
1677 os_strlen(interface->global_iface_name) + 2;
1678 buf = os_malloc(len);
1679 if (buf == NULL)
1680 return NULL;
1681
1682 os_snprintf(buf, len, "%s/%s", interface->global_iface_path,
1683 interface->global_iface_name);
1684 buf[len - 1] = '\0';
1685 return buf;
1686}
1687
1688
1689int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface)
1690{
1691 struct sockaddr_un addr;
1692 int s = -1;
1693 char *fname = NULL;
1694
1695 if (interface->global_iface_path == NULL) {
1696 wpa_printf(MSG_DEBUG, "ctrl_iface not configured!");
1697 return 0;
1698 }
1699
1700 if (mkdir(interface->global_iface_path, S_IRWXU | S_IRWXG) < 0) {
1701 if (errno == EEXIST) {
1702 wpa_printf(MSG_DEBUG, "Using existing control "
1703 "interface directory.");
1704 } else {
1705 perror("mkdir[ctrl_interface]");
1706 goto fail;
1707 }
1708 } else if (interface->ctrl_iface_group &&
1709 chown(interface->global_iface_path, -1,
1710 interface->ctrl_iface_group) < 0) {
1711 perror("chown[ctrl_interface]");
1712 goto fail;
1713 }
1714
1715 if (os_strlen(interface->global_iface_path) + 1 +
1716 os_strlen(interface->global_iface_name) >= sizeof(addr.sun_path))
1717 goto fail;
1718
1719 s = socket(PF_UNIX, SOCK_DGRAM, 0);
1720 if (s < 0) {
1721 perror("socket(PF_UNIX)");
1722 goto fail;
1723 }
1724
1725 os_memset(&addr, 0, sizeof(addr));
1726#ifdef __FreeBSD__
1727 addr.sun_len = sizeof(addr);
1728#endif /* __FreeBSD__ */
1729 addr.sun_family = AF_UNIX;
1730 fname = hostapd_global_ctrl_iface_path(interface);
1731 if (fname == NULL)
1732 goto fail;
1733 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
1734 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1735 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
1736 strerror(errno));
1737 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1738 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
1739 " allow connections - assuming it was left"
1740 "over from forced program termination");
1741 if (unlink(fname) < 0) {
1742 perror("unlink[ctrl_iface]");
1743 wpa_printf(MSG_ERROR, "Could not unlink "
1744 "existing ctrl_iface socket '%s'",
1745 fname);
1746 goto fail;
1747 }
1748 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
1749 0) {
1750 perror("bind(PF_UNIX)");
1751 goto fail;
1752 }
1753 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
1754 "ctrl_iface socket '%s'", fname);
1755 } else {
1756 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
1757 "be in use - cannot override it");
1758 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
1759 "not used anymore", fname);
1760 os_free(fname);
1761 fname = NULL;
1762 goto fail;
1763 }
1764 }
1765
1766 if (interface->ctrl_iface_group &&
1767 chown(fname, -1, interface->ctrl_iface_group) < 0) {
1768 perror("chown[ctrl_interface]");
1769 goto fail;
1770 }
1771
1772 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
1773 perror("chmod[ctrl_interface/ifname]");
1774 goto fail;
1775 }
1776 os_free(fname);
1777
1778 interface->global_ctrl_sock = s;
1779 eloop_register_read_sock(s, hostapd_global_ctrl_iface_receive,
1780 interface, NULL);
1781
1782 return 0;
1783
1784fail:
1785 if (s >= 0)
1786 close(s);
1787 if (fname) {
1788 unlink(fname);
1789 os_free(fname);
1790 }
1791 return -1;
1792}
1793
1794
1795void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces)
1796{
1797 char *fname = NULL;
1798
1799 if (interfaces->global_ctrl_sock > -1) {
1800 eloop_unregister_read_sock(interfaces->global_ctrl_sock);
1801 close(interfaces->global_ctrl_sock);
1802 interfaces->global_ctrl_sock = -1;
1803 fname = hostapd_global_ctrl_iface_path(interfaces);
1804 if (fname) {
1805 unlink(fname);
1806 os_free(fname);
1807 }
1808
1809 if (interfaces->global_iface_path &&
1810 rmdir(interfaces->global_iface_path) < 0) {
1811 if (errno == ENOTEMPTY) {
1812 wpa_printf(MSG_DEBUG, "Control interface "
1813 "directory not empty - leaving it "
1814 "behind");
1815 } else {
1816 wpa_printf(MSG_ERROR,
1817 "rmdir[ctrl_interface=%s]: %s",
1818 interfaces->global_iface_path,
1819 strerror(errno));
1820 }
1821 }
1822 os_free(interfaces->global_iface_path);
1823 interfaces->global_iface_path = NULL;
1824 }
1825}
1826
1827
a875087d
JL
1828static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
1829 const char *buf, size_t len)
ebfa2275
SZ
1830{
1831 struct wpa_ctrl_dst *dst, *next;
1832 struct msghdr msg;
1833 int idx;
1834 struct iovec io[2];
1835 char levelstr[10];
1836
1837 dst = hapd->ctrl_dst;
1838 if (hapd->ctrl_sock < 0 || dst == NULL)
1839 return;
1840
a875087d 1841 os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
ebfa2275 1842 io[0].iov_base = levelstr;
a875087d
JL
1843 io[0].iov_len = os_strlen(levelstr);
1844 io[1].iov_base = (char *) buf;
ebfa2275 1845 io[1].iov_len = len;
a875087d 1846 os_memset(&msg, 0, sizeof(msg));
ebfa2275
SZ
1847 msg.msg_iov = io;
1848 msg.msg_iovlen = 2;
1849
1850 idx = 0;
1851 while (dst) {
1852 next = dst->next;
1853 if (level >= dst->debug_level) {
1854 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send",
a875087d
JL
1855 (u8 *) dst->addr.sun_path, dst->addrlen -
1856 offsetof(struct sockaddr_un, sun_path));
ebfa2275
SZ
1857 msg.msg_name = &dst->addr;
1858 msg.msg_namelen = dst->addrlen;
1859 if (sendmsg(hapd->ctrl_sock, &msg, 0) < 0) {
a875087d
JL
1860 int _errno = errno;
1861 wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: "
1862 "%d - %s",
1863 idx, errno, strerror(errno));
ebfa2275 1864 dst->errors++;
a875087d 1865 if (dst->errors > 10 || _errno == ENOENT) {
ebfa2275
SZ
1866 hostapd_ctrl_iface_detach(
1867 hapd, &dst->addr,
1868 dst->addrlen);
1869 }
1870 } else
1871 dst->errors = 0;
1872 }
1873 idx++;
1874 dst = next;
1875 }
1876}
1877
1878#endif /* CONFIG_NATIVE_WINDOWS */