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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * hostapd / UNIX domain socket -based control interface | |
5e3b5197 | 3 | * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi> |
6fc6879b | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
6fc6879b JM |
7 | */ |
8 | ||
6226e38d | 9 | #include "utils/includes.h" |
6fc6879b JM |
10 | |
11 | #ifndef CONFIG_NATIVE_WINDOWS | |
12 | ||
4a6cc862 JM |
13 | #ifdef CONFIG_TESTING_OPTIONS |
14 | #include <net/ethernet.h> | |
15 | #include <netinet/ip.h> | |
16 | #endif /* CONFIG_TESTING_OPTIONS */ | |
17 | ||
6fc6879b JM |
18 | #include <sys/un.h> |
19 | #include <sys/stat.h> | |
75864b7f | 20 | #include <stddef.h> |
6fc6879b | 21 | |
6226e38d JM |
22 | #include "utils/common.h" |
23 | #include "utils/eloop.h" | |
acec8d32 | 24 | #include "common/version.h" |
81f4f619 | 25 | #include "common/ieee802_11_defs.h" |
a1651451 | 26 | #include "crypto/tls.h" |
1057d78e | 27 | #include "drivers/driver.h" |
cfb5c08f | 28 | #include "eapol_auth/eapol_auth_sm.h" |
6fc6879b | 29 | #include "radius/radius_client.h" |
4c03a2b3 | 30 | #include "radius/radius_server.h" |
4a6cc862 | 31 | #include "l2_packet/l2_packet.h" |
1057d78e | 32 | #include "ap/hostapd.h" |
6226e38d | 33 | #include "ap/ap_config.h" |
1057d78e | 34 | #include "ap/ieee802_1x.h" |
6226e38d | 35 | #include "ap/wpa_auth.h" |
1057d78e JM |
36 | #include "ap/ieee802_11.h" |
37 | #include "ap/sta_info.h" | |
32da61d9 | 38 | #include "ap/wps_hostapd.h" |
0e2d35c6 | 39 | #include "ap/ctrl_iface_ap.h" |
51e2a27a | 40 | #include "ap/ap_drv_ops.h" |
3fb17a95 | 41 | #include "ap/hs20.h" |
2025cad9 | 42 | #include "ap/wnm_ap.h" |
901d1fe1 | 43 | #include "ap/wpa_auth.h" |
9ff8dda1 | 44 | #include "ap/beacon.h" |
b4e34f2f | 45 | #include "wps/wps_defs.h" |
3981cb3c | 46 | #include "wps/wps.h" |
31b79e11 | 47 | #include "config_file.h" |
6fc6879b | 48 | #include "ctrl_iface.h" |
6fc6879b JM |
49 | |
50 | ||
51 | struct wpa_ctrl_dst { | |
52 | struct wpa_ctrl_dst *next; | |
53 | struct sockaddr_un addr; | |
54 | socklen_t addrlen; | |
55 | int debug_level; | |
56 | int errors; | |
57 | }; | |
58 | ||
59 | ||
42d16805 JM |
60 | static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level, |
61 | const char *buf, size_t len); | |
62 | ||
63 | ||
6fc6879b JM |
64 | static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd, |
65 | struct sockaddr_un *from, | |
66 | socklen_t fromlen) | |
67 | { | |
68 | struct wpa_ctrl_dst *dst; | |
69 | ||
70 | dst = os_zalloc(sizeof(*dst)); | |
71 | if (dst == NULL) | |
72 | return -1; | |
73 | os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un)); | |
74 | dst->addrlen = fromlen; | |
75 | dst->debug_level = MSG_INFO; | |
76 | dst->next = hapd->ctrl_dst; | |
77 | hapd->ctrl_dst = dst; | |
78 | wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached", | |
75864b7f JM |
79 | (u8 *) from->sun_path, |
80 | fromlen - offsetof(struct sockaddr_un, sun_path)); | |
6fc6879b JM |
81 | return 0; |
82 | } | |
83 | ||
84 | ||
85 | static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd, | |
86 | struct sockaddr_un *from, | |
87 | socklen_t fromlen) | |
88 | { | |
89 | struct wpa_ctrl_dst *dst, *prev = NULL; | |
90 | ||
91 | dst = hapd->ctrl_dst; | |
92 | while (dst) { | |
93 | if (fromlen == dst->addrlen && | |
75864b7f JM |
94 | os_memcmp(from->sun_path, dst->addr.sun_path, |
95 | fromlen - offsetof(struct sockaddr_un, sun_path)) | |
96 | == 0) { | |
8540e0b5 JM |
97 | wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached", |
98 | (u8 *) from->sun_path, | |
99 | fromlen - | |
100 | offsetof(struct sockaddr_un, sun_path)); | |
6fc6879b JM |
101 | if (prev == NULL) |
102 | hapd->ctrl_dst = dst->next; | |
103 | else | |
104 | prev->next = dst->next; | |
105 | os_free(dst); | |
6fc6879b JM |
106 | return 0; |
107 | } | |
108 | prev = dst; | |
109 | dst = dst->next; | |
110 | } | |
111 | return -1; | |
112 | } | |
113 | ||
114 | ||
115 | static int hostapd_ctrl_iface_level(struct hostapd_data *hapd, | |
116 | struct sockaddr_un *from, | |
117 | socklen_t fromlen, | |
118 | char *level) | |
119 | { | |
120 | struct wpa_ctrl_dst *dst; | |
121 | ||
122 | wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level); | |
123 | ||
124 | dst = hapd->ctrl_dst; | |
125 | while (dst) { | |
126 | if (fromlen == dst->addrlen && | |
75864b7f JM |
127 | os_memcmp(from->sun_path, dst->addr.sun_path, |
128 | fromlen - offsetof(struct sockaddr_un, sun_path)) | |
129 | == 0) { | |
6fc6879b | 130 | wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor " |
75864b7f JM |
131 | "level", (u8 *) from->sun_path, fromlen - |
132 | offsetof(struct sockaddr_un, sun_path)); | |
6fc6879b JM |
133 | dst->debug_level = atoi(level); |
134 | return 0; | |
135 | } | |
136 | dst = dst->next; | |
137 | } | |
138 | ||
139 | return -1; | |
140 | } | |
141 | ||
142 | ||
6fc6879b JM |
143 | static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd, |
144 | const char *txtaddr) | |
145 | { | |
146 | u8 addr[ETH_ALEN]; | |
147 | struct sta_info *sta; | |
148 | ||
149 | wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr); | |
150 | ||
151 | if (hwaddr_aton(txtaddr, addr)) | |
152 | return -1; | |
153 | ||
154 | sta = ap_get_sta(hapd, addr); | |
155 | if (sta) | |
156 | return 0; | |
157 | ||
158 | wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface " | |
159 | "notification", MAC2STR(addr)); | |
160 | sta = ap_sta_add(hapd, addr); | |
161 | if (sta == NULL) | |
162 | return -1; | |
163 | ||
164 | hostapd_new_assoc_sta(hapd, sta, 0); | |
6fc6879b JM |
165 | return 0; |
166 | } | |
167 | ||
168 | ||
88b4b424 | 169 | #ifdef CONFIG_IEEE80211W |
fe6bdb77 | 170 | #ifdef NEED_AP_MLME |
88b4b424 JM |
171 | static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd, |
172 | const char *txtaddr) | |
173 | { | |
174 | u8 addr[ETH_ALEN]; | |
175 | u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; | |
176 | ||
177 | wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr); | |
178 | ||
f5455a2d JM |
179 | if (hwaddr_aton(txtaddr, addr) || |
180 | os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0) | |
88b4b424 JM |
181 | return -1; |
182 | ||
88b4b424 JM |
183 | ieee802_11_send_sa_query_req(hapd, addr, trans_id); |
184 | ||
185 | return 0; | |
186 | } | |
fe6bdb77 | 187 | #endif /* NEED_AP_MLME */ |
88b4b424 JM |
188 | #endif /* CONFIG_IEEE80211W */ |
189 | ||
190 | ||
ad08c363 JM |
191 | #ifdef CONFIG_WPS |
192 | static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt) | |
193 | { | |
194 | char *pin = os_strchr(txt, ' '); | |
077a781f JM |
195 | char *timeout_txt; |
196 | int timeout; | |
31fcea93 JM |
197 | u8 addr_buf[ETH_ALEN], *addr = NULL; |
198 | char *pos; | |
077a781f | 199 | |
ad08c363 JM |
200 | if (pin == NULL) |
201 | return -1; | |
202 | *pin++ = '\0'; | |
077a781f JM |
203 | |
204 | timeout_txt = os_strchr(pin, ' '); | |
205 | if (timeout_txt) { | |
206 | *timeout_txt++ = '\0'; | |
207 | timeout = atoi(timeout_txt); | |
31fcea93 JM |
208 | pos = os_strchr(timeout_txt, ' '); |
209 | if (pos) { | |
210 | *pos++ = '\0'; | |
211 | if (hwaddr_aton(pos, addr_buf) == 0) | |
212 | addr = addr_buf; | |
213 | } | |
077a781f JM |
214 | } else |
215 | timeout = 0; | |
216 | ||
31fcea93 | 217 | return hostapd_wps_add_pin(hapd, addr, txt, pin, timeout); |
ad08c363 | 218 | } |
46bdb83a MH |
219 | |
220 | ||
3981cb3c JM |
221 | static int hostapd_ctrl_iface_wps_check_pin( |
222 | struct hostapd_data *hapd, char *cmd, char *buf, size_t buflen) | |
223 | { | |
224 | char pin[9]; | |
225 | size_t len; | |
226 | char *pos; | |
227 | int ret; | |
228 | ||
229 | wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN", | |
230 | (u8 *) cmd, os_strlen(cmd)); | |
231 | for (pos = cmd, len = 0; *pos != '\0'; pos++) { | |
232 | if (*pos < '0' || *pos > '9') | |
233 | continue; | |
234 | pin[len++] = *pos; | |
235 | if (len == 9) { | |
236 | wpa_printf(MSG_DEBUG, "WPS: Too long PIN"); | |
237 | return -1; | |
238 | } | |
239 | } | |
240 | if (len != 4 && len != 8) { | |
241 | wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len); | |
242 | return -1; | |
243 | } | |
244 | pin[len] = '\0'; | |
245 | ||
246 | if (len == 8) { | |
247 | unsigned int pin_val; | |
248 | pin_val = atoi(pin); | |
249 | if (!wps_pin_valid(pin_val)) { | |
250 | wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit"); | |
251 | ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n"); | |
d85e1fc8 | 252 | if (os_snprintf_error(buflen, ret)) |
3981cb3c JM |
253 | return -1; |
254 | return ret; | |
255 | } | |
256 | } | |
257 | ||
258 | ret = os_snprintf(buf, buflen, "%s", pin); | |
d85e1fc8 | 259 | if (os_snprintf_error(buflen, ret)) |
3981cb3c JM |
260 | return -1; |
261 | ||
262 | return ret; | |
263 | } | |
264 | ||
265 | ||
bb45b6d7 JM |
266 | #ifdef CONFIG_WPS_NFC |
267 | static int hostapd_ctrl_iface_wps_nfc_tag_read(struct hostapd_data *hapd, | |
268 | char *pos) | |
269 | { | |
270 | size_t len; | |
271 | struct wpabuf *buf; | |
272 | int ret; | |
273 | ||
274 | len = os_strlen(pos); | |
275 | if (len & 0x01) | |
276 | return -1; | |
277 | len /= 2; | |
278 | ||
279 | buf = wpabuf_alloc(len); | |
280 | if (buf == NULL) | |
281 | return -1; | |
282 | if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) { | |
283 | wpabuf_free(buf); | |
284 | return -1; | |
285 | } | |
286 | ||
287 | ret = hostapd_wps_nfc_tag_read(hapd, buf); | |
288 | wpabuf_free(buf); | |
289 | ||
290 | return ret; | |
291 | } | |
3cf7a59d JM |
292 | |
293 | ||
294 | static int hostapd_ctrl_iface_wps_nfc_config_token(struct hostapd_data *hapd, | |
295 | char *cmd, char *reply, | |
296 | size_t max_len) | |
297 | { | |
298 | int ndef; | |
299 | struct wpabuf *buf; | |
300 | int res; | |
301 | ||
302 | if (os_strcmp(cmd, "WPS") == 0) | |
303 | ndef = 0; | |
304 | else if (os_strcmp(cmd, "NDEF") == 0) | |
305 | ndef = 1; | |
306 | else | |
307 | return -1; | |
308 | ||
309 | buf = hostapd_wps_nfc_config_token(hapd, ndef); | |
310 | if (buf == NULL) | |
311 | return -1; | |
312 | ||
313 | res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf), | |
314 | wpabuf_len(buf)); | |
315 | reply[res++] = '\n'; | |
316 | reply[res] = '\0'; | |
317 | ||
318 | wpabuf_free(buf); | |
319 | ||
320 | return res; | |
321 | } | |
ffdaa05a JM |
322 | |
323 | ||
324 | static int hostapd_ctrl_iface_wps_nfc_token_gen(struct hostapd_data *hapd, | |
325 | char *reply, size_t max_len, | |
326 | int ndef) | |
327 | { | |
328 | struct wpabuf *buf; | |
329 | int res; | |
330 | ||
331 | buf = hostapd_wps_nfc_token_gen(hapd, ndef); | |
332 | if (buf == NULL) | |
333 | return -1; | |
334 | ||
335 | res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf), | |
336 | wpabuf_len(buf)); | |
337 | reply[res++] = '\n'; | |
338 | reply[res] = '\0'; | |
339 | ||
340 | wpabuf_free(buf); | |
341 | ||
342 | return res; | |
343 | } | |
344 | ||
345 | ||
346 | static int hostapd_ctrl_iface_wps_nfc_token(struct hostapd_data *hapd, | |
347 | char *cmd, char *reply, | |
348 | size_t max_len) | |
349 | { | |
350 | if (os_strcmp(cmd, "WPS") == 0) | |
351 | return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply, | |
352 | max_len, 0); | |
353 | ||
354 | if (os_strcmp(cmd, "NDEF") == 0) | |
355 | return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply, | |
356 | max_len, 1); | |
357 | ||
358 | if (os_strcmp(cmd, "enable") == 0) | |
359 | return hostapd_wps_nfc_token_enable(hapd); | |
360 | ||
361 | if (os_strcmp(cmd, "disable") == 0) { | |
362 | hostapd_wps_nfc_token_disable(hapd); | |
363 | return 0; | |
364 | } | |
365 | ||
366 | return -1; | |
367 | } | |
6772a90a JM |
368 | |
369 | ||
370 | static int hostapd_ctrl_iface_nfc_get_handover_sel(struct hostapd_data *hapd, | |
371 | char *cmd, char *reply, | |
372 | size_t max_len) | |
373 | { | |
374 | struct wpabuf *buf; | |
375 | int res; | |
376 | char *pos; | |
377 | int ndef; | |
378 | ||
379 | pos = os_strchr(cmd, ' '); | |
380 | if (pos == NULL) | |
381 | return -1; | |
382 | *pos++ = '\0'; | |
383 | ||
384 | if (os_strcmp(cmd, "WPS") == 0) | |
385 | ndef = 0; | |
386 | else if (os_strcmp(cmd, "NDEF") == 0) | |
387 | ndef = 1; | |
388 | else | |
389 | return -1; | |
390 | ||
391 | if (os_strcmp(pos, "WPS-CR") == 0) | |
392 | buf = hostapd_wps_nfc_hs_cr(hapd, ndef); | |
393 | else | |
394 | buf = NULL; | |
395 | if (buf == NULL) | |
396 | return -1; | |
397 | ||
398 | res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf), | |
399 | wpabuf_len(buf)); | |
400 | reply[res++] = '\n'; | |
401 | reply[res] = '\0'; | |
402 | ||
403 | wpabuf_free(buf); | |
404 | ||
405 | return res; | |
406 | } | |
407 | ||
e4758827 JM |
408 | |
409 | static int hostapd_ctrl_iface_nfc_report_handover(struct hostapd_data *hapd, | |
410 | char *cmd) | |
411 | { | |
3189ca05 JM |
412 | size_t len; |
413 | struct wpabuf *req, *sel; | |
414 | int ret; | |
415 | char *pos, *role, *type, *pos2; | |
416 | ||
417 | role = cmd; | |
418 | pos = os_strchr(role, ' '); | |
419 | if (pos == NULL) | |
420 | return -1; | |
421 | *pos++ = '\0'; | |
422 | ||
423 | type = pos; | |
424 | pos = os_strchr(type, ' '); | |
425 | if (pos == NULL) | |
426 | return -1; | |
427 | *pos++ = '\0'; | |
428 | ||
429 | pos2 = os_strchr(pos, ' '); | |
430 | if (pos2 == NULL) | |
431 | return -1; | |
432 | *pos2++ = '\0'; | |
433 | ||
434 | len = os_strlen(pos); | |
435 | if (len & 0x01) | |
436 | return -1; | |
437 | len /= 2; | |
438 | ||
439 | req = wpabuf_alloc(len); | |
440 | if (req == NULL) | |
441 | return -1; | |
442 | if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) { | |
443 | wpabuf_free(req); | |
444 | return -1; | |
445 | } | |
446 | ||
447 | len = os_strlen(pos2); | |
448 | if (len & 0x01) { | |
449 | wpabuf_free(req); | |
450 | return -1; | |
451 | } | |
452 | len /= 2; | |
453 | ||
454 | sel = wpabuf_alloc(len); | |
455 | if (sel == NULL) { | |
456 | wpabuf_free(req); | |
457 | return -1; | |
458 | } | |
459 | if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) { | |
460 | wpabuf_free(req); | |
461 | wpabuf_free(sel); | |
462 | return -1; | |
463 | } | |
464 | ||
465 | if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0) { | |
466 | ret = hostapd_wps_nfc_report_handover(hapd, req, sel); | |
467 | } else { | |
468 | wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover " | |
469 | "reported: role=%s type=%s", role, type); | |
470 | ret = -1; | |
471 | } | |
472 | wpabuf_free(req); | |
473 | wpabuf_free(sel); | |
474 | ||
475 | return ret; | |
e4758827 JM |
476 | } |
477 | ||
bb45b6d7 JM |
478 | #endif /* CONFIG_WPS_NFC */ |
479 | ||
480 | ||
5a1cc30f JM |
481 | static int hostapd_ctrl_iface_wps_ap_pin(struct hostapd_data *hapd, char *txt, |
482 | char *buf, size_t buflen) | |
483 | { | |
484 | int timeout = 300; | |
485 | char *pos; | |
486 | const char *pin_txt; | |
487 | ||
488 | pos = os_strchr(txt, ' '); | |
489 | if (pos) | |
490 | *pos++ = '\0'; | |
491 | ||
492 | if (os_strcmp(txt, "disable") == 0) { | |
493 | hostapd_wps_ap_pin_disable(hapd); | |
494 | return os_snprintf(buf, buflen, "OK\n"); | |
495 | } | |
496 | ||
497 | if (os_strcmp(txt, "random") == 0) { | |
498 | if (pos) | |
499 | timeout = atoi(pos); | |
500 | pin_txt = hostapd_wps_ap_pin_random(hapd, timeout); | |
501 | if (pin_txt == NULL) | |
502 | return -1; | |
503 | return os_snprintf(buf, buflen, "%s", pin_txt); | |
504 | } | |
505 | ||
506 | if (os_strcmp(txt, "get") == 0) { | |
507 | pin_txt = hostapd_wps_ap_pin_get(hapd); | |
508 | if (pin_txt == NULL) | |
509 | return -1; | |
510 | return os_snprintf(buf, buflen, "%s", pin_txt); | |
511 | } | |
512 | ||
513 | if (os_strcmp(txt, "set") == 0) { | |
514 | char *pin; | |
515 | if (pos == NULL) | |
516 | return -1; | |
517 | pin = pos; | |
518 | pos = os_strchr(pos, ' '); | |
519 | if (pos) { | |
520 | *pos++ = '\0'; | |
521 | timeout = atoi(pos); | |
522 | } | |
523 | if (os_strlen(pin) > buflen) | |
524 | return -1; | |
525 | if (hostapd_wps_ap_pin_set(hapd, pin, timeout) < 0) | |
526 | return -1; | |
527 | return os_snprintf(buf, buflen, "%s", pin); | |
528 | } | |
529 | ||
530 | return -1; | |
531 | } | |
450eddcf JM |
532 | |
533 | ||
534 | static int hostapd_ctrl_iface_wps_config(struct hostapd_data *hapd, char *txt) | |
535 | { | |
536 | char *pos; | |
537 | char *ssid, *auth, *encr = NULL, *key = NULL; | |
538 | ||
539 | ssid = txt; | |
540 | pos = os_strchr(txt, ' '); | |
541 | if (!pos) | |
542 | return -1; | |
543 | *pos++ = '\0'; | |
544 | ||
545 | auth = pos; | |
546 | pos = os_strchr(pos, ' '); | |
547 | if (pos) { | |
548 | *pos++ = '\0'; | |
549 | encr = pos; | |
550 | pos = os_strchr(pos, ' '); | |
551 | if (pos) { | |
552 | *pos++ = '\0'; | |
553 | key = pos; | |
554 | } | |
555 | } | |
556 | ||
557 | return hostapd_wps_config_ap(hapd, ssid, auth, encr, key); | |
558 | } | |
3351a384 JM |
559 | |
560 | ||
561 | static const char * pbc_status_str(enum pbc_status status) | |
562 | { | |
563 | switch (status) { | |
564 | case WPS_PBC_STATUS_DISABLE: | |
565 | return "Disabled"; | |
566 | case WPS_PBC_STATUS_ACTIVE: | |
567 | return "Active"; | |
568 | case WPS_PBC_STATUS_TIMEOUT: | |
569 | return "Timed-out"; | |
570 | case WPS_PBC_STATUS_OVERLAP: | |
571 | return "Overlap"; | |
572 | default: | |
573 | return "Unknown"; | |
574 | } | |
575 | } | |
576 | ||
577 | ||
578 | static int hostapd_ctrl_iface_wps_get_status(struct hostapd_data *hapd, | |
579 | char *buf, size_t buflen) | |
580 | { | |
581 | int ret; | |
582 | char *pos, *end; | |
583 | ||
584 | pos = buf; | |
585 | end = buf + buflen; | |
586 | ||
587 | ret = os_snprintf(pos, end - pos, "PBC Status: %s\n", | |
588 | pbc_status_str(hapd->wps_stats.pbc_status)); | |
589 | ||
d85e1fc8 | 590 | if (os_snprintf_error(end - pos, ret)) |
3351a384 JM |
591 | return pos - buf; |
592 | pos += ret; | |
593 | ||
594 | ret = os_snprintf(pos, end - pos, "Last WPS result: %s\n", | |
595 | (hapd->wps_stats.status == WPS_STATUS_SUCCESS ? | |
596 | "Success": | |
597 | (hapd->wps_stats.status == WPS_STATUS_FAILURE ? | |
598 | "Failed" : "None"))); | |
599 | ||
d85e1fc8 | 600 | if (os_snprintf_error(end - pos, ret)) |
3351a384 JM |
601 | return pos - buf; |
602 | pos += ret; | |
603 | ||
604 | /* If status == Failure - Add possible Reasons */ | |
605 | if(hapd->wps_stats.status == WPS_STATUS_FAILURE && | |
606 | hapd->wps_stats.failure_reason > 0) { | |
607 | ret = os_snprintf(pos, end - pos, | |
608 | "Failure Reason: %s\n", | |
609 | wps_ei_str(hapd->wps_stats.failure_reason)); | |
610 | ||
d85e1fc8 | 611 | if (os_snprintf_error(end - pos, ret)) |
3351a384 JM |
612 | return pos - buf; |
613 | pos += ret; | |
614 | } | |
615 | ||
616 | if (hapd->wps_stats.status) { | |
617 | ret = os_snprintf(pos, end - pos, "Peer Address: " MACSTR "\n", | |
618 | MAC2STR(hapd->wps_stats.peer_addr)); | |
619 | ||
d85e1fc8 | 620 | if (os_snprintf_error(end - pos, ret)) |
3351a384 JM |
621 | return pos - buf; |
622 | pos += ret; | |
623 | } | |
624 | ||
625 | return pos - buf; | |
626 | } | |
627 | ||
ad08c363 JM |
628 | #endif /* CONFIG_WPS */ |
629 | ||
3fb17a95 JM |
630 | #ifdef CONFIG_HS20 |
631 | ||
632 | static int hostapd_ctrl_iface_hs20_wnm_notif(struct hostapd_data *hapd, | |
633 | const char *cmd) | |
634 | { | |
635 | u8 addr[ETH_ALEN]; | |
636 | const char *url; | |
637 | ||
638 | if (hwaddr_aton(cmd, addr)) | |
639 | return -1; | |
640 | url = cmd + 17; | |
641 | if (*url == '\0') { | |
642 | url = NULL; | |
643 | } else { | |
644 | if (*url != ' ') | |
645 | return -1; | |
646 | url++; | |
647 | if (*url == '\0') | |
648 | url = NULL; | |
649 | } | |
650 | ||
651 | return hs20_send_wnm_notification(hapd, addr, 1, url); | |
652 | } | |
653 | ||
8e1146d9 JM |
654 | |
655 | static int hostapd_ctrl_iface_hs20_deauth_req(struct hostapd_data *hapd, | |
656 | const char *cmd) | |
657 | { | |
658 | u8 addr[ETH_ALEN]; | |
659 | int code, reauth_delay, ret; | |
660 | const char *pos; | |
661 | size_t url_len; | |
662 | struct wpabuf *req; | |
663 | ||
664 | /* <STA MAC Addr> <Code(0/1)> <Re-auth-Delay(sec)> [URL] */ | |
665 | if (hwaddr_aton(cmd, addr)) | |
666 | return -1; | |
667 | ||
668 | pos = os_strchr(cmd, ' '); | |
669 | if (pos == NULL) | |
670 | return -1; | |
671 | pos++; | |
672 | code = atoi(pos); | |
673 | ||
674 | pos = os_strchr(pos, ' '); | |
675 | if (pos == NULL) | |
676 | return -1; | |
677 | pos++; | |
678 | reauth_delay = atoi(pos); | |
679 | ||
680 | url_len = 0; | |
681 | pos = os_strchr(pos, ' '); | |
682 | if (pos) { | |
683 | pos++; | |
684 | url_len = os_strlen(pos); | |
685 | } | |
686 | ||
687 | req = wpabuf_alloc(4 + url_len); | |
688 | if (req == NULL) | |
689 | return -1; | |
690 | wpabuf_put_u8(req, code); | |
691 | wpabuf_put_le16(req, reauth_delay); | |
692 | wpabuf_put_u8(req, url_len); | |
693 | if (pos) | |
694 | wpabuf_put_data(req, pos, url_len); | |
695 | ||
696 | wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification to " MACSTR | |
697 | " to indicate imminent deauthentication (code=%d " | |
698 | "reauth_delay=%d)", MAC2STR(addr), code, reauth_delay); | |
699 | ret = hs20_send_wnm_notification_deauth_req(hapd, addr, req); | |
700 | wpabuf_free(req); | |
701 | return ret; | |
702 | } | |
703 | ||
3fb17a95 JM |
704 | #endif /* CONFIG_HS20 */ |
705 | ||
ad08c363 | 706 | |
c551700f KP |
707 | #ifdef CONFIG_INTERWORKING |
708 | ||
709 | static int hostapd_ctrl_iface_set_qos_map_set(struct hostapd_data *hapd, | |
710 | const char *cmd) | |
711 | { | |
712 | u8 qos_map_set[16 + 2 * 21], count = 0; | |
713 | const char *pos = cmd; | |
714 | int val, ret; | |
715 | ||
716 | for (;;) { | |
717 | if (count == sizeof(qos_map_set)) { | |
718 | wpa_printf(MSG_ERROR, "Too many qos_map_set parameters"); | |
719 | return -1; | |
720 | } | |
721 | ||
722 | val = atoi(pos); | |
723 | if (val < 0 || val > 255) { | |
724 | wpa_printf(MSG_INFO, "Invalid QoS Map Set"); | |
725 | return -1; | |
726 | } | |
727 | ||
728 | qos_map_set[count++] = val; | |
729 | pos = os_strchr(pos, ','); | |
730 | if (!pos) | |
731 | break; | |
732 | pos++; | |
733 | } | |
734 | ||
735 | if (count < 16 || count & 1) { | |
736 | wpa_printf(MSG_INFO, "Invalid QoS Map Set"); | |
737 | return -1; | |
738 | } | |
739 | ||
740 | ret = hostapd_drv_set_qos_map(hapd, qos_map_set, count); | |
741 | if (ret) { | |
742 | wpa_printf(MSG_INFO, "Failed to set QoS Map Set"); | |
743 | return -1; | |
744 | } | |
745 | ||
746 | os_memcpy(hapd->conf->qos_map_set, qos_map_set, count); | |
747 | hapd->conf->qos_map_set_len = count; | |
748 | ||
749 | return 0; | |
750 | } | |
751 | ||
752 | ||
753 | static int hostapd_ctrl_iface_send_qos_map_conf(struct hostapd_data *hapd, | |
754 | const char *cmd) | |
755 | { | |
756 | u8 addr[ETH_ALEN]; | |
757 | struct sta_info *sta; | |
758 | struct wpabuf *buf; | |
759 | u8 *qos_map_set = hapd->conf->qos_map_set; | |
760 | u8 qos_map_set_len = hapd->conf->qos_map_set_len; | |
761 | int ret; | |
762 | ||
763 | if (!qos_map_set_len) { | |
764 | wpa_printf(MSG_INFO, "QoS Map Set is not set"); | |
765 | return -1; | |
766 | } | |
767 | ||
768 | if (hwaddr_aton(cmd, addr)) | |
769 | return -1; | |
770 | ||
771 | sta = ap_get_sta(hapd, addr); | |
772 | if (sta == NULL) { | |
773 | wpa_printf(MSG_DEBUG, "Station " MACSTR " not found " | |
774 | "for QoS Map Configuration message", | |
775 | MAC2STR(addr)); | |
776 | return -1; | |
777 | } | |
778 | ||
779 | if (!sta->qos_map_enabled) { | |
780 | wpa_printf(MSG_DEBUG, "Station " MACSTR " did not indicate " | |
781 | "support for QoS Map", MAC2STR(addr)); | |
782 | return -1; | |
783 | } | |
784 | ||
785 | buf = wpabuf_alloc(2 + 2 + qos_map_set_len); | |
786 | if (buf == NULL) | |
787 | return -1; | |
788 | ||
789 | wpabuf_put_u8(buf, WLAN_ACTION_QOS); | |
790 | wpabuf_put_u8(buf, QOS_QOS_MAP_CONFIG); | |
791 | ||
792 | /* QoS Map Set Element */ | |
793 | wpabuf_put_u8(buf, WLAN_EID_QOS_MAP_SET); | |
794 | wpabuf_put_u8(buf, qos_map_set_len); | |
795 | wpabuf_put_data(buf, qos_map_set, qos_map_set_len); | |
796 | ||
797 | ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr, | |
798 | wpabuf_head(buf), wpabuf_len(buf)); | |
799 | wpabuf_free(buf); | |
800 | ||
801 | return ret; | |
802 | } | |
803 | ||
804 | #endif /* CONFIG_INTERWORKING */ | |
805 | ||
806 | ||
2049a875 JM |
807 | #ifdef CONFIG_WNM |
808 | ||
809 | static int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd, | |
810 | const char *cmd) | |
811 | { | |
812 | u8 addr[ETH_ALEN]; | |
2049a875 | 813 | int disassoc_timer; |
8d321a7d | 814 | struct sta_info *sta; |
2049a875 JM |
815 | |
816 | if (hwaddr_aton(cmd, addr)) | |
817 | return -1; | |
818 | if (cmd[17] != ' ') | |
819 | return -1; | |
820 | disassoc_timer = atoi(cmd + 17); | |
821 | ||
8d321a7d JM |
822 | sta = ap_get_sta(hapd, addr); |
823 | if (sta == NULL) { | |
824 | wpa_printf(MSG_DEBUG, "Station " MACSTR | |
825 | " not found for disassociation imminent message", | |
826 | MAC2STR(addr)); | |
2049a875 JM |
827 | return -1; |
828 | } | |
829 | ||
8d321a7d | 830 | return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer); |
2049a875 JM |
831 | } |
832 | ||
833 | ||
71269b37 JM |
834 | static int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd, |
835 | const char *cmd) | |
836 | { | |
837 | u8 addr[ETH_ALEN]; | |
d5b559b6 | 838 | const char *url, *timerstr; |
d5b559b6 | 839 | int disassoc_timer; |
2025cad9 | 840 | struct sta_info *sta; |
71269b37 JM |
841 | |
842 | if (hwaddr_aton(cmd, addr)) | |
843 | return -1; | |
d5b559b6 | 844 | |
2025cad9 JM |
845 | sta = ap_get_sta(hapd, addr); |
846 | if (sta == NULL) { | |
847 | wpa_printf(MSG_DEBUG, "Station " MACSTR | |
848 | " not found for ESS disassociation imminent message", | |
849 | MAC2STR(addr)); | |
850 | return -1; | |
851 | } | |
852 | ||
d5b559b6 KP |
853 | timerstr = cmd + 17; |
854 | if (*timerstr != ' ') | |
855 | return -1; | |
856 | timerstr++; | |
857 | disassoc_timer = atoi(timerstr); | |
858 | if (disassoc_timer < 0 || disassoc_timer > 65535) | |
859 | return -1; | |
860 | ||
861 | url = os_strchr(timerstr, ' '); | |
eb4737f6 | 862 | if (url == NULL) |
71269b37 JM |
863 | return -1; |
864 | url++; | |
71269b37 | 865 | |
2025cad9 | 866 | return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer); |
71269b37 JM |
867 | } |
868 | ||
a30dff07 JM |
869 | |
870 | static int hostapd_ctrl_iface_bss_tm_req(struct hostapd_data *hapd, | |
871 | const char *cmd) | |
872 | { | |
873 | u8 addr[ETH_ALEN]; | |
874 | const char *pos, *end; | |
875 | int disassoc_timer = 0; | |
876 | struct sta_info *sta; | |
877 | u8 req_mode = 0, valid_int = 0x01; | |
878 | u8 bss_term_dur[12]; | |
879 | char *url = NULL; | |
880 | int ret; | |
881 | u8 nei_rep[1000]; | |
882 | u8 *nei_pos = nei_rep; | |
883 | ||
884 | if (hwaddr_aton(cmd, addr)) { | |
885 | wpa_printf(MSG_DEBUG, "Invalid STA MAC address"); | |
886 | return -1; | |
887 | } | |
888 | ||
889 | sta = ap_get_sta(hapd, addr); | |
890 | if (sta == NULL) { | |
891 | wpa_printf(MSG_DEBUG, "Station " MACSTR | |
892 | " not found for BSS TM Request message", | |
893 | MAC2STR(addr)); | |
894 | return -1; | |
895 | } | |
896 | ||
897 | pos = os_strstr(cmd, " disassoc_timer="); | |
898 | if (pos) { | |
899 | pos += 16; | |
900 | disassoc_timer = atoi(pos); | |
901 | if (disassoc_timer < 0 || disassoc_timer > 65535) { | |
902 | wpa_printf(MSG_DEBUG, "Invalid disassoc_timer"); | |
903 | return -1; | |
904 | } | |
905 | } | |
906 | ||
907 | pos = os_strstr(cmd, " valid_int="); | |
908 | if (pos) { | |
909 | pos += 11; | |
910 | valid_int = atoi(pos); | |
911 | } | |
912 | ||
913 | pos = os_strstr(cmd, " bss_term="); | |
914 | if (pos) { | |
915 | pos += 10; | |
916 | req_mode |= WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED; | |
917 | /* TODO: TSF configurable/learnable */ | |
918 | bss_term_dur[0] = 4; /* Subelement ID */ | |
919 | bss_term_dur[1] = 10; /* Length */ | |
920 | os_memset(bss_term_dur, 2, 8); | |
921 | end = os_strchr(pos, ','); | |
922 | if (end == NULL) { | |
923 | wpa_printf(MSG_DEBUG, "Invalid bss_term data"); | |
924 | return -1; | |
925 | } | |
926 | end++; | |
927 | WPA_PUT_LE16(&bss_term_dur[10], atoi(end)); | |
928 | } | |
929 | ||
930 | ||
931 | /* | |
932 | * BSS Transition Candidate List Entries - Neighbor Report elements | |
933 | * neighbor=<BSSID>,<BSSID Information>,<Operating Class>, | |
934 | * <Channel Number>,<PHY Type>[,<hexdump of Optional Subelements>] | |
935 | */ | |
936 | pos = cmd; | |
937 | while (pos) { | |
938 | u8 *nei_start; | |
939 | long int val; | |
940 | char *endptr, *tmp; | |
941 | ||
942 | pos = os_strstr(pos, " neighbor="); | |
943 | if (!pos) | |
944 | break; | |
945 | if (nei_pos + 15 > nei_rep + sizeof(nei_rep)) { | |
946 | wpa_printf(MSG_DEBUG, | |
947 | "Not enough room for additional neighbor"); | |
948 | return -1; | |
949 | } | |
950 | pos += 10; | |
951 | ||
952 | nei_start = nei_pos; | |
953 | *nei_pos++ = WLAN_EID_NEIGHBOR_REPORT; | |
954 | nei_pos++; /* length to be filled in */ | |
955 | ||
956 | if (hwaddr_aton(pos, nei_pos)) { | |
957 | wpa_printf(MSG_DEBUG, "Invalid BSSID"); | |
958 | return -1; | |
959 | } | |
960 | nei_pos += ETH_ALEN; | |
961 | pos += 17; | |
962 | if (*pos != ',') { | |
963 | wpa_printf(MSG_DEBUG, "Missing BSSID Information"); | |
964 | return -1; | |
965 | } | |
966 | pos++; | |
967 | ||
968 | val = strtol(pos, &endptr, 0); | |
969 | WPA_PUT_LE32(nei_pos, val); | |
970 | nei_pos += 4; | |
971 | if (*endptr != ',') { | |
972 | wpa_printf(MSG_DEBUG, "Missing Operating Class"); | |
973 | return -1; | |
974 | } | |
975 | pos = endptr + 1; | |
976 | ||
977 | *nei_pos++ = atoi(pos); /* Operating Class */ | |
978 | pos = os_strchr(pos, ','); | |
979 | if (pos == NULL) { | |
980 | wpa_printf(MSG_DEBUG, "Missing Channel Number"); | |
981 | return -1; | |
982 | } | |
983 | pos++; | |
984 | ||
985 | *nei_pos++ = atoi(pos); /* Channel Number */ | |
986 | pos = os_strchr(pos, ','); | |
987 | if (pos == NULL) { | |
988 | wpa_printf(MSG_DEBUG, "Missing PHY Type"); | |
989 | return -1; | |
990 | } | |
991 | pos++; | |
992 | ||
993 | *nei_pos++ = atoi(pos); /* PHY Type */ | |
994 | end = os_strchr(pos, ' '); | |
995 | tmp = os_strchr(pos, ','); | |
996 | if (tmp && (!end || tmp < end)) { | |
997 | /* Optional Subelements (hexdump) */ | |
998 | size_t len; | |
999 | ||
1000 | pos = tmp + 1; | |
1001 | end = os_strchr(pos, ' '); | |
1002 | if (end) | |
1003 | len = end - pos; | |
1004 | else | |
1005 | len = os_strlen(pos); | |
1006 | if (nei_pos + len / 2 > nei_rep + sizeof(nei_rep)) { | |
1007 | wpa_printf(MSG_DEBUG, | |
1008 | "Not enough room for neighbor subelements"); | |
1009 | return -1; | |
1010 | } | |
1011 | if (len & 0x01 || | |
1012 | hexstr2bin(pos, nei_pos, len / 2) < 0) { | |
1013 | wpa_printf(MSG_DEBUG, | |
1014 | "Invalid neighbor subelement info"); | |
1015 | return -1; | |
1016 | } | |
1017 | nei_pos += len / 2; | |
1018 | pos = end; | |
1019 | } | |
1020 | ||
1021 | nei_start[1] = nei_pos - nei_start - 2; | |
1022 | } | |
1023 | ||
1024 | pos = os_strstr(cmd, " url="); | |
1025 | if (pos) { | |
1026 | size_t len; | |
1027 | pos += 5; | |
1028 | end = os_strchr(pos, ' '); | |
1029 | if (end) | |
1030 | len = end - pos; | |
1031 | else | |
1032 | len = os_strlen(pos); | |
1033 | url = os_malloc(len + 1); | |
1034 | if (url == NULL) | |
1035 | return -1; | |
1036 | os_memcpy(url, pos, len); | |
1037 | url[len] = '\0'; | |
1038 | req_mode |= WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT; | |
1039 | } | |
1040 | ||
1041 | if (os_strstr(cmd, " pref=1")) | |
1042 | req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED; | |
1043 | if (os_strstr(cmd, " abridged=1")) | |
1044 | req_mode |= WNM_BSS_TM_REQ_ABRIDGED; | |
1045 | if (os_strstr(cmd, " disassoc_imminent=1")) | |
1046 | req_mode |= WNM_BSS_TM_REQ_DISASSOC_IMMINENT; | |
1047 | ||
1048 | ret = wnm_send_bss_tm_req(hapd, sta, req_mode, disassoc_timer, | |
1049 | valid_int, bss_term_dur, url, | |
1050 | nei_pos > nei_rep ? nei_rep : NULL, | |
1051 | nei_pos - nei_rep); | |
1052 | os_free(url); | |
1053 | return ret; | |
1054 | } | |
1055 | ||
2049a875 JM |
1056 | #endif /* CONFIG_WNM */ |
1057 | ||
71269b37 | 1058 | |
403b96fe JM |
1059 | static int hostapd_ctrl_iface_get_config(struct hostapd_data *hapd, |
1060 | char *buf, size_t buflen) | |
1061 | { | |
1062 | int ret; | |
1063 | char *pos, *end; | |
1064 | ||
1065 | pos = buf; | |
1066 | end = buf + buflen; | |
1067 | ||
1068 | ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n" | |
1069 | "ssid=%s\n", | |
1070 | MAC2STR(hapd->own_addr), | |
986de33d JM |
1071 | wpa_ssid_txt(hapd->conf->ssid.ssid, |
1072 | hapd->conf->ssid.ssid_len)); | |
d85e1fc8 | 1073 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1074 | return pos - buf; |
1075 | pos += ret; | |
1076 | ||
1077 | #ifdef CONFIG_WPS | |
1078 | ret = os_snprintf(pos, end - pos, "wps_state=%s\n", | |
1079 | hapd->conf->wps_state == 0 ? "disabled" : | |
1080 | (hapd->conf->wps_state == 1 ? "not configured" : | |
1081 | "configured")); | |
d85e1fc8 | 1082 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1083 | return pos - buf; |
1084 | pos += ret; | |
1085 | ||
088a2255 | 1086 | if (hapd->conf->wps_state && hapd->conf->wpa && |
403b96fe JM |
1087 | hapd->conf->ssid.wpa_passphrase) { |
1088 | ret = os_snprintf(pos, end - pos, "passphrase=%s\n", | |
1089 | hapd->conf->ssid.wpa_passphrase); | |
d85e1fc8 | 1090 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1091 | return pos - buf; |
1092 | pos += ret; | |
1093 | } | |
1094 | ||
088a2255 JM |
1095 | if (hapd->conf->wps_state && hapd->conf->wpa && |
1096 | hapd->conf->ssid.wpa_psk && | |
403b96fe JM |
1097 | hapd->conf->ssid.wpa_psk->group) { |
1098 | char hex[PMK_LEN * 2 + 1]; | |
1099 | wpa_snprintf_hex(hex, sizeof(hex), | |
1100 | hapd->conf->ssid.wpa_psk->psk, PMK_LEN); | |
1101 | ret = os_snprintf(pos, end - pos, "psk=%s\n", hex); | |
d85e1fc8 | 1102 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1103 | return pos - buf; |
1104 | pos += ret; | |
1105 | } | |
1106 | #endif /* CONFIG_WPS */ | |
1107 | ||
1108 | if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) { | |
1109 | ret = os_snprintf(pos, end - pos, "key_mgmt="); | |
d85e1fc8 | 1110 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1111 | return pos - buf; |
1112 | pos += ret; | |
1113 | ||
1114 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) { | |
1115 | ret = os_snprintf(pos, end - pos, "WPA-PSK "); | |
d85e1fc8 | 1116 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1117 | return pos - buf; |
1118 | pos += ret; | |
1119 | } | |
1120 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) { | |
1121 | ret = os_snprintf(pos, end - pos, "WPA-EAP "); | |
d85e1fc8 | 1122 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1123 | return pos - buf; |
1124 | pos += ret; | |
1125 | } | |
1126 | #ifdef CONFIG_IEEE80211R | |
1127 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) { | |
1128 | ret = os_snprintf(pos, end - pos, "FT-PSK "); | |
d85e1fc8 | 1129 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1130 | return pos - buf; |
1131 | pos += ret; | |
1132 | } | |
1133 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) { | |
1134 | ret = os_snprintf(pos, end - pos, "FT-EAP "); | |
d85e1fc8 | 1135 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1136 | return pos - buf; |
1137 | pos += ret; | |
1138 | } | |
be4e5af7 JM |
1139 | #ifdef CONFIG_SAE |
1140 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_SAE) { | |
1141 | ret = os_snprintf(pos, end - pos, "FT-SAE "); | |
d85e1fc8 | 1142 | if (os_snprintf_error(end - pos, ret)) |
be4e5af7 JM |
1143 | return pos - buf; |
1144 | pos += ret; | |
1145 | } | |
1146 | #endif /* CONFIG_SAE */ | |
403b96fe JM |
1147 | #endif /* CONFIG_IEEE80211R */ |
1148 | #ifdef CONFIG_IEEE80211W | |
1149 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) { | |
1150 | ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 "); | |
d85e1fc8 | 1151 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1152 | return pos - buf; |
1153 | pos += ret; | |
1154 | } | |
1155 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) { | |
1156 | ret = os_snprintf(pos, end - pos, "WPA-EAP-SHA256 "); | |
d85e1fc8 | 1157 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1158 | return pos - buf; |
1159 | pos += ret; | |
1160 | } | |
1161 | #endif /* CONFIG_IEEE80211W */ | |
be4e5af7 JM |
1162 | #ifdef CONFIG_SAE |
1163 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_SAE) { | |
1164 | ret = os_snprintf(pos, end - pos, "SAE "); | |
d85e1fc8 | 1165 | if (os_snprintf_error(end - pos, ret)) |
be4e5af7 JM |
1166 | return pos - buf; |
1167 | pos += ret; | |
1168 | } | |
1169 | #endif /* CONFIG_SAE */ | |
666497c8 JM |
1170 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) { |
1171 | ret = os_snprintf(pos, end - pos, "WPA-EAP-SUITE-B "); | |
d85e1fc8 | 1172 | if (os_snprintf_error(end - pos, ret)) |
666497c8 JM |
1173 | return pos - buf; |
1174 | pos += ret; | |
1175 | } | |
5e3b5197 JM |
1176 | if (hapd->conf->wpa_key_mgmt & |
1177 | WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) { | |
1178 | ret = os_snprintf(pos, end - pos, | |
1179 | "WPA-EAP-SUITE-B-192 "); | |
1180 | if (os_snprintf_error(end - pos, ret)) | |
1181 | return pos - buf; | |
1182 | pos += ret; | |
1183 | } | |
403b96fe JM |
1184 | |
1185 | ret = os_snprintf(pos, end - pos, "\n"); | |
d85e1fc8 | 1186 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1187 | return pos - buf; |
1188 | pos += ret; | |
1189 | } | |
1190 | ||
0282a8c4 JM |
1191 | if (hapd->conf->wpa) { |
1192 | ret = os_snprintf(pos, end - pos, "group_cipher=%s\n", | |
1193 | wpa_cipher_txt(hapd->conf->wpa_group)); | |
d85e1fc8 | 1194 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1195 | return pos - buf; |
1196 | pos += ret; | |
1197 | } | |
1198 | ||
1199 | if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->rsn_pairwise) { | |
1200 | ret = os_snprintf(pos, end - pos, "rsn_pairwise_cipher="); | |
d85e1fc8 | 1201 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1202 | return pos - buf; |
1203 | pos += ret; | |
1204 | ||
0282a8c4 JM |
1205 | ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise, |
1206 | " "); | |
1207 | if (ret < 0) | |
1208 | return pos - buf; | |
1209 | pos += ret; | |
403b96fe JM |
1210 | |
1211 | ret = os_snprintf(pos, end - pos, "\n"); | |
d85e1fc8 | 1212 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1213 | return pos - buf; |
1214 | pos += ret; | |
1215 | } | |
1216 | ||
1217 | if ((hapd->conf->wpa & WPA_PROTO_WPA) && hapd->conf->wpa_pairwise) { | |
1218 | ret = os_snprintf(pos, end - pos, "wpa_pairwise_cipher="); | |
d85e1fc8 | 1219 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1220 | return pos - buf; |
1221 | pos += ret; | |
1222 | ||
10e7948f | 1223 | ret = wpa_write_ciphers(pos, end, hapd->conf->wpa_pairwise, |
0282a8c4 JM |
1224 | " "); |
1225 | if (ret < 0) | |
1226 | return pos - buf; | |
1227 | pos += ret; | |
403b96fe JM |
1228 | |
1229 | ret = os_snprintf(pos, end - pos, "\n"); | |
d85e1fc8 | 1230 | if (os_snprintf_error(end - pos, ret)) |
403b96fe JM |
1231 | return pos - buf; |
1232 | pos += ret; | |
1233 | } | |
1234 | ||
1235 | return pos - buf; | |
1236 | } | |
1237 | ||
1238 | ||
2c8a4eef | 1239 | static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd) |
b4e34f2f JM |
1240 | { |
1241 | char *value; | |
1242 | int ret = 0; | |
1243 | ||
1244 | value = os_strchr(cmd, ' '); | |
1245 | if (value == NULL) | |
1246 | return -1; | |
1247 | *value++ = '\0'; | |
1248 | ||
1249 | wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value); | |
1250 | if (0) { | |
1251 | #ifdef CONFIG_WPS_TESTING | |
1252 | } else if (os_strcasecmp(cmd, "wps_version_number") == 0) { | |
1253 | long int val; | |
1254 | val = strtol(value, NULL, 0); | |
1255 | if (val < 0 || val > 0xff) { | |
1256 | ret = -1; | |
1257 | wpa_printf(MSG_DEBUG, "WPS: Invalid " | |
1258 | "wps_version_number %ld", val); | |
1259 | } else { | |
1260 | wps_version_number = val; | |
1261 | wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS " | |
1262 | "version %u.%u", | |
1263 | (wps_version_number & 0xf0) >> 4, | |
1264 | wps_version_number & 0x0f); | |
2c8a4eef | 1265 | hostapd_wps_update_ie(hapd); |
b4e34f2f JM |
1266 | } |
1267 | } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) { | |
1268 | wps_testing_dummy_cred = atoi(value); | |
1269 | wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d", | |
1270 | wps_testing_dummy_cred); | |
91226e0d JM |
1271 | } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) { |
1272 | wps_corrupt_pkhash = atoi(value); | |
1273 | wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d", | |
1274 | wps_corrupt_pkhash); | |
b4e34f2f | 1275 | #endif /* CONFIG_WPS_TESTING */ |
dca30c3f JK |
1276 | #ifdef CONFIG_INTERWORKING |
1277 | } else if (os_strcasecmp(cmd, "gas_frag_limit") == 0) { | |
1278 | int val = atoi(value); | |
1279 | if (val <= 0) | |
1280 | ret = -1; | |
1281 | else | |
1282 | hapd->gas_frag_limit = val; | |
1283 | #endif /* CONFIG_INTERWORKING */ | |
93827f45 JM |
1284 | #ifdef CONFIG_TESTING_OPTIONS |
1285 | } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) { | |
1286 | hapd->ext_mgmt_frame_handling = atoi(value); | |
9d4ff04a JM |
1287 | } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) { |
1288 | hapd->ext_eapol_frame_io = atoi(value); | |
93827f45 | 1289 | #endif /* CONFIG_TESTING_OPTIONS */ |
b4e34f2f | 1290 | } else { |
e2364d16 ET |
1291 | struct sta_info *sta; |
1292 | int vlan_id; | |
1293 | ||
31b79e11 | 1294 | ret = hostapd_set_iface(hapd->iconf, hapd->conf, cmd, value); |
e2364d16 ET |
1295 | if (ret) |
1296 | return ret; | |
1297 | ||
1298 | if (os_strcasecmp(cmd, "deny_mac_file") == 0) { | |
1299 | for (sta = hapd->sta_list; sta; sta = sta->next) { | |
1300 | if (hostapd_maclist_found( | |
1301 | hapd->conf->deny_mac, | |
1302 | hapd->conf->num_deny_mac, sta->addr, | |
1303 | &vlan_id) && | |
1304 | (!vlan_id || vlan_id == sta->vlan_id)) | |
18a8e55f JM |
1305 | ap_sta_disconnect( |
1306 | hapd, sta, sta->addr, | |
e2364d16 ET |
1307 | WLAN_REASON_UNSPECIFIED); |
1308 | } | |
1309 | } else if (hapd->conf->macaddr_acl == DENY_UNLESS_ACCEPTED && | |
1310 | os_strcasecmp(cmd, "accept_mac_file") == 0) { | |
1311 | for (sta = hapd->sta_list; sta; sta = sta->next) { | |
1312 | if (!hostapd_maclist_found( | |
1313 | hapd->conf->accept_mac, | |
1314 | hapd->conf->num_accept_mac, | |
1315 | sta->addr, &vlan_id) || | |
1316 | (vlan_id && vlan_id != sta->vlan_id)) | |
18a8e55f JM |
1317 | ap_sta_disconnect( |
1318 | hapd, sta, sta->addr, | |
e2364d16 ET |
1319 | WLAN_REASON_UNSPECIFIED); |
1320 | } | |
1321 | } | |
b4e34f2f JM |
1322 | } |
1323 | ||
1324 | return ret; | |
1325 | } | |
1326 | ||
1327 | ||
acec8d32 JM |
1328 | static int hostapd_ctrl_iface_get(struct hostapd_data *hapd, char *cmd, |
1329 | char *buf, size_t buflen) | |
1330 | { | |
1331 | int res; | |
1332 | ||
1333 | wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd); | |
1334 | ||
1335 | if (os_strcmp(cmd, "version") == 0) { | |
1336 | res = os_snprintf(buf, buflen, "%s", VERSION_STR); | |
d85e1fc8 | 1337 | if (os_snprintf_error(buflen, res)) |
a1651451 JM |
1338 | return -1; |
1339 | return res; | |
1340 | } else if (os_strcmp(cmd, "tls_library") == 0) { | |
1341 | res = tls_get_library_version(buf, buflen); | |
1342 | if (os_snprintf_error(buflen, res)) | |
acec8d32 JM |
1343 | return -1; |
1344 | return res; | |
1345 | } | |
1346 | ||
1347 | return -1; | |
1348 | } | |
1349 | ||
1350 | ||
75545652 SP |
1351 | static int hostapd_ctrl_iface_enable(struct hostapd_iface *iface) |
1352 | { | |
1353 | if (hostapd_enable_iface(iface) < 0) { | |
1354 | wpa_printf(MSG_ERROR, "Enabling of interface failed"); | |
1355 | return -1; | |
1356 | } | |
1357 | return 0; | |
1358 | } | |
1359 | ||
1360 | ||
1361 | static int hostapd_ctrl_iface_reload(struct hostapd_iface *iface) | |
1362 | { | |
1363 | if (hostapd_reload_iface(iface) < 0) { | |
1364 | wpa_printf(MSG_ERROR, "Reloading of interface failed"); | |
1365 | return -1; | |
1366 | } | |
1367 | return 0; | |
1368 | } | |
1369 | ||
1370 | ||
1371 | static int hostapd_ctrl_iface_disable(struct hostapd_iface *iface) | |
1372 | { | |
1373 | if (hostapd_disable_iface(iface) < 0) { | |
1374 | wpa_printf(MSG_ERROR, "Disabling of interface failed"); | |
1375 | return -1; | |
1376 | } | |
1377 | return 0; | |
1378 | } | |
1379 | ||
1380 | ||
ddf55174 | 1381 | #ifdef CONFIG_TESTING_OPTIONS |
93827f45 | 1382 | |
ddf55174 JM |
1383 | static int hostapd_ctrl_iface_radar(struct hostapd_data *hapd, char *cmd) |
1384 | { | |
1385 | union wpa_event_data data; | |
1386 | char *pos, *param; | |
1387 | enum wpa_event_type event; | |
1388 | ||
1389 | wpa_printf(MSG_DEBUG, "RADAR TEST: %s", cmd); | |
1390 | ||
1391 | os_memset(&data, 0, sizeof(data)); | |
1392 | ||
1393 | param = os_strchr(cmd, ' '); | |
1394 | if (param == NULL) | |
1395 | return -1; | |
1396 | *param++ = '\0'; | |
1397 | ||
1398 | if (os_strcmp(cmd, "DETECTED") == 0) | |
1399 | event = EVENT_DFS_RADAR_DETECTED; | |
1400 | else if (os_strcmp(cmd, "CAC-FINISHED") == 0) | |
1401 | event = EVENT_DFS_CAC_FINISHED; | |
1402 | else if (os_strcmp(cmd, "CAC-ABORTED") == 0) | |
1403 | event = EVENT_DFS_CAC_ABORTED; | |
1404 | else if (os_strcmp(cmd, "NOP-FINISHED") == 0) | |
1405 | event = EVENT_DFS_NOP_FINISHED; | |
1406 | else { | |
1407 | wpa_printf(MSG_DEBUG, "Unsupported RADAR test command: %s", | |
1408 | cmd); | |
1409 | return -1; | |
1410 | } | |
1411 | ||
1412 | pos = os_strstr(param, "freq="); | |
1413 | if (pos) | |
1414 | data.dfs_event.freq = atoi(pos + 5); | |
1415 | ||
1416 | pos = os_strstr(param, "ht_enabled=1"); | |
1417 | if (pos) | |
1418 | data.dfs_event.ht_enabled = 1; | |
1419 | ||
1420 | pos = os_strstr(param, "chan_offset="); | |
1421 | if (pos) | |
1422 | data.dfs_event.chan_offset = atoi(pos + 12); | |
1423 | ||
1424 | pos = os_strstr(param, "chan_width="); | |
1425 | if (pos) | |
1426 | data.dfs_event.chan_width = atoi(pos + 11); | |
1427 | ||
1428 | pos = os_strstr(param, "cf1="); | |
1429 | if (pos) | |
1430 | data.dfs_event.cf1 = atoi(pos + 4); | |
1431 | ||
1432 | pos = os_strstr(param, "cf2="); | |
1433 | if (pos) | |
1434 | data.dfs_event.cf2 = atoi(pos + 4); | |
1435 | ||
1436 | wpa_supplicant_event(hapd, event, &data); | |
1437 | ||
1438 | return 0; | |
1439 | } | |
93827f45 JM |
1440 | |
1441 | ||
1442 | static int hostapd_ctrl_iface_mgmt_tx(struct hostapd_data *hapd, char *cmd) | |
1443 | { | |
1444 | size_t len; | |
1445 | u8 *buf; | |
1446 | int res; | |
1447 | ||
1448 | wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd); | |
1449 | ||
1450 | len = os_strlen(cmd); | |
1451 | if (len & 1) | |
1452 | return -1; | |
1453 | len /= 2; | |
1454 | ||
1455 | buf = os_malloc(len); | |
1456 | if (buf == NULL) | |
1457 | return -1; | |
1458 | ||
1459 | if (hexstr2bin(cmd, buf, len) < 0) { | |
1460 | os_free(buf); | |
1461 | return -1; | |
1462 | } | |
1463 | ||
1464 | res = hostapd_drv_send_mlme(hapd, buf, len, 0); | |
1465 | os_free(buf); | |
1466 | return res; | |
1467 | } | |
1468 | ||
9d4ff04a JM |
1469 | |
1470 | static int hostapd_ctrl_iface_eapol_rx(struct hostapd_data *hapd, char *cmd) | |
1471 | { | |
1472 | char *pos; | |
1473 | u8 src[ETH_ALEN], *buf; | |
1474 | int used; | |
1475 | size_t len; | |
1476 | ||
1477 | wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd); | |
1478 | ||
1479 | pos = cmd; | |
1480 | used = hwaddr_aton2(pos, src); | |
1481 | if (used < 0) | |
1482 | return -1; | |
1483 | pos += used; | |
1484 | while (*pos == ' ') | |
1485 | pos++; | |
1486 | ||
1487 | len = os_strlen(pos); | |
1488 | if (len & 1) | |
1489 | return -1; | |
1490 | len /= 2; | |
1491 | ||
1492 | buf = os_malloc(len); | |
1493 | if (buf == NULL) | |
1494 | return -1; | |
1495 | ||
1496 | if (hexstr2bin(pos, buf, len) < 0) { | |
1497 | os_free(buf); | |
1498 | return -1; | |
1499 | } | |
1500 | ||
1501 | ieee802_1x_receive(hapd, src, buf, len); | |
1502 | os_free(buf); | |
1503 | ||
1504 | return 0; | |
1505 | } | |
1506 | ||
4a6cc862 JM |
1507 | |
1508 | static u16 ipv4_hdr_checksum(const void *buf, size_t len) | |
1509 | { | |
1510 | size_t i; | |
1511 | u32 sum = 0; | |
1512 | const u16 *pos = buf; | |
1513 | ||
1514 | for (i = 0; i < len / 2; i++) | |
1515 | sum += *pos++; | |
1516 | ||
1517 | while (sum >> 16) | |
1518 | sum = (sum & 0xffff) + (sum >> 16); | |
1519 | ||
1520 | return sum ^ 0xffff; | |
1521 | } | |
1522 | ||
1523 | ||
1524 | #define HWSIM_PACKETLEN 1500 | |
1525 | #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header)) | |
1526 | ||
1527 | void hostapd_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, | |
1528 | size_t len) | |
1529 | { | |
1530 | struct hostapd_data *hapd = ctx; | |
1531 | const struct ether_header *eth; | |
75352270 | 1532 | struct iphdr ip; |
4a6cc862 JM |
1533 | const u8 *pos; |
1534 | unsigned int i; | |
1535 | ||
1536 | if (len != HWSIM_PACKETLEN) | |
1537 | return; | |
1538 | ||
1539 | eth = (const struct ether_header *) buf; | |
75352270 JM |
1540 | os_memcpy(&ip, eth + 1, sizeof(ip)); |
1541 | pos = &buf[sizeof(*eth) + sizeof(ip)]; | |
4a6cc862 | 1542 | |
75352270 JM |
1543 | if (ip.ihl != 5 || ip.version != 4 || |
1544 | ntohs(ip.tot_len) != HWSIM_IP_LEN) | |
4a6cc862 JM |
1545 | return; |
1546 | ||
75352270 | 1547 | for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) { |
4a6cc862 JM |
1548 | if (*pos != (u8) i) |
1549 | return; | |
1550 | pos++; | |
1551 | } | |
1552 | ||
1553 | wpa_msg(hapd->msg_ctx, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR, | |
1554 | MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost)); | |
1555 | } | |
1556 | ||
1557 | ||
1558 | static int hostapd_ctrl_iface_data_test_config(struct hostapd_data *hapd, | |
1559 | char *cmd) | |
1560 | { | |
1561 | int enabled = atoi(cmd); | |
527d2378 JM |
1562 | char *pos; |
1563 | const char *ifname; | |
4a6cc862 JM |
1564 | |
1565 | if (!enabled) { | |
1566 | if (hapd->l2_test) { | |
1567 | l2_packet_deinit(hapd->l2_test); | |
1568 | hapd->l2_test = NULL; | |
1569 | wpa_dbg(hapd->msg_ctx, MSG_DEBUG, | |
1570 | "test data: Disabled"); | |
1571 | } | |
1572 | return 0; | |
1573 | } | |
1574 | ||
1575 | if (hapd->l2_test) | |
1576 | return 0; | |
1577 | ||
527d2378 JM |
1578 | pos = os_strstr(cmd, " ifname="); |
1579 | if (pos) | |
1580 | ifname = pos + 8; | |
1581 | else | |
1582 | ifname = hapd->conf->iface; | |
1583 | ||
1584 | hapd->l2_test = l2_packet_init(ifname, hapd->own_addr, | |
4a6cc862 JM |
1585 | ETHERTYPE_IP, hostapd_data_test_rx, |
1586 | hapd, 1); | |
1587 | if (hapd->l2_test == NULL) | |
1588 | return -1; | |
1589 | ||
1590 | wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: Enabled"); | |
1591 | ||
1592 | return 0; | |
1593 | } | |
1594 | ||
1595 | ||
1596 | static int hostapd_ctrl_iface_data_test_tx(struct hostapd_data *hapd, char *cmd) | |
1597 | { | |
1598 | u8 dst[ETH_ALEN], src[ETH_ALEN]; | |
1599 | char *pos; | |
1600 | int used; | |
1601 | long int val; | |
1602 | u8 tos; | |
75352270 | 1603 | u8 buf[2 + HWSIM_PACKETLEN]; |
4a6cc862 JM |
1604 | struct ether_header *eth; |
1605 | struct iphdr *ip; | |
1606 | u8 *dpos; | |
1607 | unsigned int i; | |
1608 | ||
1609 | if (hapd->l2_test == NULL) | |
1610 | return -1; | |
1611 | ||
1612 | /* format: <dst> <src> <tos> */ | |
1613 | ||
1614 | pos = cmd; | |
1615 | used = hwaddr_aton2(pos, dst); | |
1616 | if (used < 0) | |
1617 | return -1; | |
1618 | pos += used; | |
1619 | while (*pos == ' ') | |
1620 | pos++; | |
1621 | used = hwaddr_aton2(pos, src); | |
1622 | if (used < 0) | |
1623 | return -1; | |
1624 | pos += used; | |
1625 | ||
1626 | val = strtol(pos, NULL, 0); | |
1627 | if (val < 0 || val > 0xff) | |
1628 | return -1; | |
1629 | tos = val; | |
1630 | ||
75352270 | 1631 | eth = (struct ether_header *) &buf[2]; |
4a6cc862 JM |
1632 | os_memcpy(eth->ether_dhost, dst, ETH_ALEN); |
1633 | os_memcpy(eth->ether_shost, src, ETH_ALEN); | |
1634 | eth->ether_type = htons(ETHERTYPE_IP); | |
1635 | ip = (struct iphdr *) (eth + 1); | |
1636 | os_memset(ip, 0, sizeof(*ip)); | |
1637 | ip->ihl = 5; | |
1638 | ip->version = 4; | |
1639 | ip->ttl = 64; | |
1640 | ip->tos = tos; | |
1641 | ip->tot_len = htons(HWSIM_IP_LEN); | |
1642 | ip->protocol = 1; | |
66f1e078 JM |
1643 | ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1); |
1644 | ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2); | |
4a6cc862 JM |
1645 | ip->check = ipv4_hdr_checksum(ip, sizeof(*ip)); |
1646 | dpos = (u8 *) (ip + 1); | |
1647 | for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) | |
1648 | *dpos++ = i; | |
1649 | ||
75352270 | 1650 | if (l2_packet_send(hapd->l2_test, dst, ETHERTYPE_IP, &buf[2], |
4a6cc862 JM |
1651 | HWSIM_PACKETLEN) < 0) |
1652 | return -1; | |
1653 | ||
1654 | wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: TX dst=" MACSTR | |
1655 | " src=" MACSTR " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos); | |
1656 | ||
1657 | return 0; | |
1658 | } | |
1659 | ||
85660d31 JM |
1660 | |
1661 | static int hostapd_ctrl_iface_data_test_frame(struct hostapd_data *hapd, | |
1662 | char *cmd) | |
1663 | { | |
1664 | u8 *buf; | |
1665 | struct ether_header *eth; | |
1666 | struct l2_packet_data *l2 = NULL; | |
1667 | size_t len; | |
1668 | u16 ethertype; | |
1669 | int res = -1; | |
1670 | const char *ifname = hapd->conf->iface; | |
1671 | ||
1672 | if (os_strncmp(cmd, "ifname=", 7) == 0) { | |
1673 | cmd += 7; | |
1674 | ifname = cmd; | |
1675 | cmd = os_strchr(cmd, ' '); | |
1676 | if (cmd == NULL) | |
1677 | return -1; | |
1678 | *cmd++ = '\0'; | |
1679 | } | |
1680 | ||
1681 | len = os_strlen(cmd); | |
1682 | if (len & 1 || len < ETH_HLEN * 2) | |
1683 | return -1; | |
1684 | len /= 2; | |
1685 | ||
1686 | buf = os_malloc(len); | |
1687 | if (buf == NULL) | |
1688 | return -1; | |
1689 | ||
1690 | if (hexstr2bin(cmd, buf, len) < 0) | |
1691 | goto done; | |
1692 | ||
1693 | eth = (struct ether_header *) buf; | |
1694 | ethertype = ntohs(eth->ether_type); | |
1695 | ||
1696 | l2 = l2_packet_init(ifname, hapd->own_addr, ethertype, | |
1697 | hostapd_data_test_rx, hapd, 1); | |
1698 | if (l2 == NULL) | |
1699 | goto done; | |
1700 | ||
1701 | res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len); | |
1702 | wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: TX frame res=%d", res); | |
1703 | done: | |
1704 | if (l2) | |
1705 | l2_packet_deinit(l2); | |
1706 | os_free(buf); | |
1707 | ||
1708 | return res < 0 ? -1 : 0; | |
1709 | } | |
1710 | ||
a156ffda JM |
1711 | |
1712 | static int hostapd_ctrl_test_alloc_fail(struct hostapd_data *hapd, char *cmd) | |
1713 | { | |
1714 | #ifdef WPA_TRACE_BFD | |
1715 | extern char wpa_trace_fail_func[256]; | |
1716 | extern unsigned int wpa_trace_fail_after; | |
1717 | char *pos; | |
1718 | ||
1719 | wpa_trace_fail_after = atoi(cmd); | |
1720 | pos = os_strchr(cmd, ':'); | |
1721 | if (pos) { | |
1722 | pos++; | |
1723 | os_strlcpy(wpa_trace_fail_func, pos, | |
1724 | sizeof(wpa_trace_fail_func)); | |
1725 | } else { | |
1726 | wpa_trace_fail_after = 0; | |
1727 | } | |
1728 | ||
1729 | return 0; | |
1730 | #else /* WPA_TRACE_BFD */ | |
1731 | return -1; | |
1732 | #endif /* WPA_TRACE_BFD */ | |
1733 | } | |
1734 | ||
1735 | ||
1736 | static int hostapd_ctrl_get_alloc_fail(struct hostapd_data *hapd, | |
1737 | char *buf, size_t buflen) | |
1738 | { | |
1739 | #ifdef WPA_TRACE_BFD | |
1740 | extern char wpa_trace_fail_func[256]; | |
1741 | extern unsigned int wpa_trace_fail_after; | |
1742 | ||
1743 | return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after, | |
1744 | wpa_trace_fail_func); | |
1745 | #else /* WPA_TRACE_BFD */ | |
1746 | return -1; | |
1747 | #endif /* WPA_TRACE_BFD */ | |
1748 | } | |
1749 | ||
2da52565 JM |
1750 | |
1751 | static int hostapd_ctrl_test_fail(struct hostapd_data *hapd, char *cmd) | |
1752 | { | |
1753 | #ifdef WPA_TRACE_BFD | |
1754 | extern char wpa_trace_test_fail_func[256]; | |
1755 | extern unsigned int wpa_trace_test_fail_after; | |
1756 | char *pos; | |
1757 | ||
1758 | wpa_trace_test_fail_after = atoi(cmd); | |
1759 | pos = os_strchr(cmd, ':'); | |
1760 | if (pos) { | |
1761 | pos++; | |
1762 | os_strlcpy(wpa_trace_test_fail_func, pos, | |
1763 | sizeof(wpa_trace_test_fail_func)); | |
1764 | } else { | |
1765 | wpa_trace_test_fail_after = 0; | |
1766 | } | |
1767 | ||
1768 | return 0; | |
1769 | #else /* WPA_TRACE_BFD */ | |
1770 | return -1; | |
1771 | #endif /* WPA_TRACE_BFD */ | |
1772 | } | |
1773 | ||
1774 | ||
1775 | static int hostapd_ctrl_get_fail(struct hostapd_data *hapd, | |
1776 | char *buf, size_t buflen) | |
1777 | { | |
1778 | #ifdef WPA_TRACE_BFD | |
1779 | extern char wpa_trace_test_fail_func[256]; | |
1780 | extern unsigned int wpa_trace_test_fail_after; | |
1781 | ||
1782 | return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after, | |
1783 | wpa_trace_test_fail_func); | |
1784 | #else /* WPA_TRACE_BFD */ | |
1785 | return -1; | |
1786 | #endif /* WPA_TRACE_BFD */ | |
1787 | } | |
1788 | ||
ddf55174 JM |
1789 | #endif /* CONFIG_TESTING_OPTIONS */ |
1790 | ||
1791 | ||
ccac7c61 MK |
1792 | static int hostapd_ctrl_iface_chan_switch(struct hostapd_iface *iface, |
1793 | char *pos) | |
334bf36a AO |
1794 | { |
1795 | #ifdef NEED_AP_MLME | |
1796 | struct csa_settings settings; | |
ccac7c61 MK |
1797 | int ret; |
1798 | unsigned int i; | |
334bf36a | 1799 | |
ccac7c61 | 1800 | ret = hostapd_parse_csa_settings(pos, &settings); |
334bf36a AO |
1801 | if (ret) |
1802 | return ret; | |
1803 | ||
ccac7c61 MK |
1804 | for (i = 0; i < iface->num_bss; i++) { |
1805 | ret = hostapd_switch_channel(iface->bss[i], &settings); | |
1806 | if (ret) { | |
1807 | /* FIX: What do we do if CSA fails in the middle of | |
1808 | * submitting multi-BSS CSA requests? */ | |
1809 | return ret; | |
1810 | } | |
1811 | } | |
1812 | ||
1813 | return 0; | |
334bf36a AO |
1814 | #else /* NEED_AP_MLME */ |
1815 | return -1; | |
1816 | #endif /* NEED_AP_MLME */ | |
1817 | } | |
1818 | ||
1819 | ||
4c03a2b3 JM |
1820 | static int hostapd_ctrl_iface_mib(struct hostapd_data *hapd, char *reply, |
1821 | int reply_size, const char *param) | |
1822 | { | |
1823 | #ifdef RADIUS_SERVER | |
1824 | if (os_strcmp(param, "radius_server") == 0) { | |
1825 | return radius_server_get_mib(hapd->radius_srv, reply, | |
1826 | reply_size); | |
1827 | } | |
1828 | #endif /* RADIUS_SERVER */ | |
1829 | return -1; | |
1830 | } | |
1831 | ||
1832 | ||
3ae8b7b7 AS |
1833 | static int hostapd_ctrl_iface_vendor(struct hostapd_data *hapd, char *cmd, |
1834 | char *buf, size_t buflen) | |
1835 | { | |
1836 | int ret; | |
1837 | char *pos; | |
1838 | u8 *data = NULL; | |
1839 | unsigned int vendor_id, subcmd; | |
1840 | struct wpabuf *reply; | |
1841 | size_t data_len = 0; | |
1842 | ||
1843 | /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */ | |
1844 | vendor_id = strtoul(cmd, &pos, 16); | |
1845 | if (!isblank(*pos)) | |
1846 | return -EINVAL; | |
1847 | ||
1848 | subcmd = strtoul(pos, &pos, 10); | |
1849 | ||
1850 | if (*pos != '\0') { | |
1851 | if (!isblank(*pos++)) | |
1852 | return -EINVAL; | |
1853 | data_len = os_strlen(pos); | |
1854 | } | |
1855 | ||
1856 | if (data_len) { | |
1857 | data_len /= 2; | |
1858 | data = os_malloc(data_len); | |
1859 | if (!data) | |
1860 | return -ENOBUFS; | |
1861 | ||
1862 | if (hexstr2bin(pos, data, data_len)) { | |
1863 | wpa_printf(MSG_DEBUG, | |
1864 | "Vendor command: wrong parameter format"); | |
1865 | os_free(data); | |
1866 | return -EINVAL; | |
1867 | } | |
1868 | } | |
1869 | ||
1870 | reply = wpabuf_alloc((buflen - 1) / 2); | |
1871 | if (!reply) { | |
1872 | os_free(data); | |
1873 | return -ENOBUFS; | |
1874 | } | |
1875 | ||
1876 | ret = hostapd_drv_vendor_cmd(hapd, vendor_id, subcmd, data, data_len, | |
1877 | reply); | |
1878 | ||
1879 | if (ret == 0) | |
1880 | ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply), | |
1881 | wpabuf_len(reply)); | |
1882 | ||
1883 | wpabuf_free(reply); | |
1884 | os_free(data); | |
1885 | ||
1886 | return ret; | |
1887 | } | |
1888 | ||
1889 | ||
cfb5c08f JM |
1890 | static int hostapd_ctrl_iface_eapol_reauth(struct hostapd_data *hapd, |
1891 | const char *cmd) | |
1892 | { | |
1893 | u8 addr[ETH_ALEN]; | |
1894 | struct sta_info *sta; | |
1895 | ||
1896 | if (hwaddr_aton(cmd, addr)) | |
1897 | return -1; | |
1898 | ||
1899 | sta = ap_get_sta(hapd, addr); | |
1900 | if (!sta || !sta->eapol_sm) | |
1901 | return -1; | |
1902 | ||
1903 | eapol_auth_reauthenticate(sta->eapol_sm); | |
1904 | return 0; | |
1905 | } | |
1906 | ||
1907 | ||
3722c0f4 JM |
1908 | static int hostapd_ctrl_iface_eapol_set(struct hostapd_data *hapd, char *cmd) |
1909 | { | |
1910 | u8 addr[ETH_ALEN]; | |
1911 | struct sta_info *sta; | |
1912 | char *pos = cmd, *param; | |
1913 | ||
1914 | if (hwaddr_aton(pos, addr) || pos[17] != ' ') | |
1915 | return -1; | |
1916 | pos += 18; | |
1917 | param = pos; | |
1918 | pos = os_strchr(pos, ' '); | |
1919 | if (!pos) | |
1920 | return -1; | |
1921 | *pos++ = '\0'; | |
1922 | ||
1923 | sta = ap_get_sta(hapd, addr); | |
1924 | if (!sta || !sta->eapol_sm) | |
1925 | return -1; | |
1926 | ||
1927 | return eapol_auth_set_conf(sta->eapol_sm, param, pos); | |
1928 | } | |
1929 | ||
1930 | ||
6fc6879b JM |
1931 | static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx, |
1932 | void *sock_ctx) | |
1933 | { | |
1934 | struct hostapd_data *hapd = eloop_ctx; | |
3189ca05 | 1935 | char buf[4096]; |
6fc6879b JM |
1936 | int res; |
1937 | struct sockaddr_un from; | |
1938 | socklen_t fromlen = sizeof(from); | |
1939 | char *reply; | |
1940 | const int reply_size = 4096; | |
1941 | int reply_len; | |
235f69fc | 1942 | int level = MSG_DEBUG; |
6fc6879b JM |
1943 | |
1944 | res = recvfrom(sock, buf, sizeof(buf) - 1, 0, | |
1945 | (struct sockaddr *) &from, &fromlen); | |
1946 | if (res < 0) { | |
a193231d JM |
1947 | wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s", |
1948 | strerror(errno)); | |
6fc6879b JM |
1949 | return; |
1950 | } | |
1951 | buf[res] = '\0'; | |
235f69fc JM |
1952 | if (os_strcmp(buf, "PING") == 0) |
1953 | level = MSG_EXCESSIVE; | |
1954 | wpa_hexdump_ascii(level, "RX ctrl_iface", (u8 *) buf, res); | |
6fc6879b JM |
1955 | |
1956 | reply = os_malloc(reply_size); | |
1957 | if (reply == NULL) { | |
8e3e0b3f JM |
1958 | if (sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from, |
1959 | fromlen) < 0) { | |
1960 | wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s", | |
1961 | strerror(errno)); | |
1962 | } | |
6fc6879b JM |
1963 | return; |
1964 | } | |
1965 | ||
1966 | os_memcpy(reply, "OK\n", 3); | |
1967 | reply_len = 3; | |
1968 | ||
1969 | if (os_strcmp(buf, "PING") == 0) { | |
1970 | os_memcpy(reply, "PONG\n", 5); | |
1971 | reply_len = 5; | |
b41a47c0 BG |
1972 | } else if (os_strncmp(buf, "RELOG", 5) == 0) { |
1973 | if (wpa_debug_reopen_file() < 0) | |
1974 | reply_len = -1; | |
5ae6449c JM |
1975 | } else if (os_strcmp(buf, "STATUS") == 0) { |
1976 | reply_len = hostapd_ctrl_iface_status(hapd, reply, | |
1977 | reply_size); | |
f0cbb986 JM |
1978 | } else if (os_strcmp(buf, "STATUS-DRIVER") == 0) { |
1979 | reply_len = hostapd_drv_status(hapd, reply, reply_size); | |
6fc6879b JM |
1980 | } else if (os_strcmp(buf, "MIB") == 0) { |
1981 | reply_len = ieee802_11_get_mib(hapd, reply, reply_size); | |
1982 | if (reply_len >= 0) { | |
1983 | res = wpa_get_mib(hapd->wpa_auth, reply + reply_len, | |
1984 | reply_size - reply_len); | |
1985 | if (res < 0) | |
1986 | reply_len = -1; | |
1987 | else | |
1988 | reply_len += res; | |
1989 | } | |
1990 | if (reply_len >= 0) { | |
1991 | res = ieee802_1x_get_mib(hapd, reply + reply_len, | |
1992 | reply_size - reply_len); | |
1993 | if (res < 0) | |
1994 | reply_len = -1; | |
1995 | else | |
1996 | reply_len += res; | |
1997 | } | |
74784010 | 1998 | #ifndef CONFIG_NO_RADIUS |
6fc6879b JM |
1999 | if (reply_len >= 0) { |
2000 | res = radius_client_get_mib(hapd->radius, | |
2001 | reply + reply_len, | |
2002 | reply_size - reply_len); | |
2003 | if (res < 0) | |
2004 | reply_len = -1; | |
2005 | else | |
2006 | reply_len += res; | |
2007 | } | |
74784010 | 2008 | #endif /* CONFIG_NO_RADIUS */ |
4c03a2b3 JM |
2009 | } else if (os_strncmp(buf, "MIB ", 4) == 0) { |
2010 | reply_len = hostapd_ctrl_iface_mib(hapd, reply, reply_size, | |
2011 | buf + 4); | |
6fc6879b JM |
2012 | } else if (os_strcmp(buf, "STA-FIRST") == 0) { |
2013 | reply_len = hostapd_ctrl_iface_sta_first(hapd, reply, | |
2014 | reply_size); | |
2015 | } else if (os_strncmp(buf, "STA ", 4) == 0) { | |
2016 | reply_len = hostapd_ctrl_iface_sta(hapd, buf + 4, reply, | |
2017 | reply_size); | |
2018 | } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) { | |
2019 | reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply, | |
2020 | reply_size); | |
2021 | } else if (os_strcmp(buf, "ATTACH") == 0) { | |
2022 | if (hostapd_ctrl_iface_attach(hapd, &from, fromlen)) | |
2023 | reply_len = -1; | |
2024 | } else if (os_strcmp(buf, "DETACH") == 0) { | |
2025 | if (hostapd_ctrl_iface_detach(hapd, &from, fromlen)) | |
2026 | reply_len = -1; | |
2027 | } else if (os_strncmp(buf, "LEVEL ", 6) == 0) { | |
2028 | if (hostapd_ctrl_iface_level(hapd, &from, fromlen, | |
2029 | buf + 6)) | |
2030 | reply_len = -1; | |
2031 | } else if (os_strncmp(buf, "NEW_STA ", 8) == 0) { | |
2032 | if (hostapd_ctrl_iface_new_sta(hapd, buf + 8)) | |
2033 | reply_len = -1; | |
90a3206a JM |
2034 | } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) { |
2035 | if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15)) | |
2036 | reply_len = -1; | |
2037 | } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) { | |
2038 | if (hostapd_ctrl_iface_disassociate(hapd, buf + 13)) | |
2039 | reply_len = -1; | |
99650cad JM |
2040 | } else if (os_strcmp(buf, "STOP_AP") == 0) { |
2041 | if (hostapd_ctrl_iface_stop_ap(hapd)) | |
2042 | reply_len = -1; | |
88b4b424 | 2043 | #ifdef CONFIG_IEEE80211W |
fe6bdb77 | 2044 | #ifdef NEED_AP_MLME |
88b4b424 JM |
2045 | } else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) { |
2046 | if (hostapd_ctrl_iface_sa_query(hapd, buf + 9)) | |
2047 | reply_len = -1; | |
fe6bdb77 | 2048 | #endif /* NEED_AP_MLME */ |
88b4b424 | 2049 | #endif /* CONFIG_IEEE80211W */ |
ad08c363 JM |
2050 | #ifdef CONFIG_WPS |
2051 | } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) { | |
2052 | if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8)) | |
2053 | reply_len = -1; | |
3981cb3c JM |
2054 | } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) { |
2055 | reply_len = hostapd_ctrl_iface_wps_check_pin( | |
2056 | hapd, buf + 14, reply, reply_size); | |
ad08c363 | 2057 | } else if (os_strcmp(buf, "WPS_PBC") == 0) { |
d601247c | 2058 | if (hostapd_wps_button_pushed(hapd, NULL)) |
ad08c363 | 2059 | reply_len = -1; |
4c374cde AS |
2060 | } else if (os_strcmp(buf, "WPS_CANCEL") == 0) { |
2061 | if (hostapd_wps_cancel(hapd)) | |
2062 | reply_len = -1; | |
5a1cc30f JM |
2063 | } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) { |
2064 | reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11, | |
2065 | reply, reply_size); | |
450eddcf JM |
2066 | } else if (os_strncmp(buf, "WPS_CONFIG ", 11) == 0) { |
2067 | if (hostapd_ctrl_iface_wps_config(hapd, buf + 11) < 0) | |
2068 | reply_len = -1; | |
3351a384 JM |
2069 | } else if (os_strncmp(buf, "WPS_GET_STATUS", 13) == 0) { |
2070 | reply_len = hostapd_ctrl_iface_wps_get_status(hapd, reply, | |
2071 | reply_size); | |
bb45b6d7 JM |
2072 | #ifdef CONFIG_WPS_NFC |
2073 | } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) { | |
2074 | if (hostapd_ctrl_iface_wps_nfc_tag_read(hapd, buf + 17)) | |
2075 | reply_len = -1; | |
3cf7a59d JM |
2076 | } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) { |
2077 | reply_len = hostapd_ctrl_iface_wps_nfc_config_token( | |
2078 | hapd, buf + 21, reply, reply_size); | |
ffdaa05a JM |
2079 | } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) { |
2080 | reply_len = hostapd_ctrl_iface_wps_nfc_token( | |
2081 | hapd, buf + 14, reply, reply_size); | |
6772a90a JM |
2082 | } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) { |
2083 | reply_len = hostapd_ctrl_iface_nfc_get_handover_sel( | |
2084 | hapd, buf + 21, reply, reply_size); | |
e4758827 JM |
2085 | } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) { |
2086 | if (hostapd_ctrl_iface_nfc_report_handover(hapd, buf + 20)) | |
2087 | reply_len = -1; | |
bb45b6d7 | 2088 | #endif /* CONFIG_WPS_NFC */ |
ad08c363 | 2089 | #endif /* CONFIG_WPS */ |
c551700f KP |
2090 | #ifdef CONFIG_INTERWORKING |
2091 | } else if (os_strncmp(buf, "SET_QOS_MAP_SET ", 16) == 0) { | |
2092 | if (hostapd_ctrl_iface_set_qos_map_set(hapd, buf + 16)) | |
2093 | reply_len = -1; | |
2094 | } else if (os_strncmp(buf, "SEND_QOS_MAP_CONF ", 18) == 0) { | |
2095 | if (hostapd_ctrl_iface_send_qos_map_conf(hapd, buf + 18)) | |
2096 | reply_len = -1; | |
2097 | #endif /* CONFIG_INTERWORKING */ | |
3fb17a95 JM |
2098 | #ifdef CONFIG_HS20 |
2099 | } else if (os_strncmp(buf, "HS20_WNM_NOTIF ", 15) == 0) { | |
2100 | if (hostapd_ctrl_iface_hs20_wnm_notif(hapd, buf + 15)) | |
2101 | reply_len = -1; | |
8e1146d9 JM |
2102 | } else if (os_strncmp(buf, "HS20_DEAUTH_REQ ", 16) == 0) { |
2103 | if (hostapd_ctrl_iface_hs20_deauth_req(hapd, buf + 16)) | |
2104 | reply_len = -1; | |
3fb17a95 | 2105 | #endif /* CONFIG_HS20 */ |
2049a875 JM |
2106 | #ifdef CONFIG_WNM |
2107 | } else if (os_strncmp(buf, "DISASSOC_IMMINENT ", 18) == 0) { | |
2108 | if (hostapd_ctrl_iface_disassoc_imminent(hapd, buf + 18)) | |
2109 | reply_len = -1; | |
71269b37 JM |
2110 | } else if (os_strncmp(buf, "ESS_DISASSOC ", 13) == 0) { |
2111 | if (hostapd_ctrl_iface_ess_disassoc(hapd, buf + 13)) | |
2112 | reply_len = -1; | |
a30dff07 JM |
2113 | } else if (os_strncmp(buf, "BSS_TM_REQ ", 11) == 0) { |
2114 | if (hostapd_ctrl_iface_bss_tm_req(hapd, buf + 11)) | |
2115 | reply_len = -1; | |
2049a875 | 2116 | #endif /* CONFIG_WNM */ |
403b96fe JM |
2117 | } else if (os_strcmp(buf, "GET_CONFIG") == 0) { |
2118 | reply_len = hostapd_ctrl_iface_get_config(hapd, reply, | |
2119 | reply_size); | |
b4e34f2f JM |
2120 | } else if (os_strncmp(buf, "SET ", 4) == 0) { |
2121 | if (hostapd_ctrl_iface_set(hapd, buf + 4)) | |
2122 | reply_len = -1; | |
acec8d32 JM |
2123 | } else if (os_strncmp(buf, "GET ", 4) == 0) { |
2124 | reply_len = hostapd_ctrl_iface_get(hapd, buf + 4, reply, | |
2125 | reply_size); | |
75545652 SP |
2126 | } else if (os_strncmp(buf, "ENABLE", 6) == 0) { |
2127 | if (hostapd_ctrl_iface_enable(hapd->iface)) | |
2128 | reply_len = -1; | |
2129 | } else if (os_strncmp(buf, "RELOAD", 6) == 0) { | |
2130 | if (hostapd_ctrl_iface_reload(hapd->iface)) | |
2131 | reply_len = -1; | |
2132 | } else if (os_strncmp(buf, "DISABLE", 7) == 0) { | |
2133 | if (hostapd_ctrl_iface_disable(hapd->iface)) | |
2134 | reply_len = -1; | |
9ff8dda1 JM |
2135 | } else if (os_strcmp(buf, "UPDATE_BEACON") == 0) { |
2136 | if (ieee802_11_set_beacon(hapd)) | |
2137 | reply_len = -1; | |
ddf55174 JM |
2138 | #ifdef CONFIG_TESTING_OPTIONS |
2139 | } else if (os_strncmp(buf, "RADAR ", 6) == 0) { | |
2140 | if (hostapd_ctrl_iface_radar(hapd, buf + 6)) | |
2141 | reply_len = -1; | |
93827f45 JM |
2142 | } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) { |
2143 | if (hostapd_ctrl_iface_mgmt_tx(hapd, buf + 8)) | |
2144 | reply_len = -1; | |
9d4ff04a JM |
2145 | } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) { |
2146 | if (hostapd_ctrl_iface_eapol_rx(hapd, buf + 9) < 0) | |
2147 | reply_len = -1; | |
4a6cc862 JM |
2148 | } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) { |
2149 | if (hostapd_ctrl_iface_data_test_config(hapd, buf + 17) < 0) | |
2150 | reply_len = -1; | |
2151 | } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) { | |
2152 | if (hostapd_ctrl_iface_data_test_tx(hapd, buf + 13) < 0) | |
2153 | reply_len = -1; | |
85660d31 JM |
2154 | } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) { |
2155 | if (hostapd_ctrl_iface_data_test_frame(hapd, buf + 16) < 0) | |
2156 | reply_len = -1; | |
a156ffda JM |
2157 | } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) { |
2158 | if (hostapd_ctrl_test_alloc_fail(hapd, buf + 16) < 0) | |
2159 | reply_len = -1; | |
2160 | } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) { | |
2161 | reply_len = hostapd_ctrl_get_alloc_fail(hapd, reply, | |
2162 | reply_size); | |
2da52565 JM |
2163 | } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) { |
2164 | if (hostapd_ctrl_test_fail(hapd, buf + 10) < 0) | |
2165 | reply_len = -1; | |
2166 | } else if (os_strcmp(buf, "GET_FAIL") == 0) { | |
2167 | reply_len = hostapd_ctrl_get_fail(hapd, reply, reply_size); | |
ddf55174 | 2168 | #endif /* CONFIG_TESTING_OPTIONS */ |
334bf36a | 2169 | } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) { |
ccac7c61 | 2170 | if (hostapd_ctrl_iface_chan_switch(hapd->iface, buf + 12)) |
334bf36a | 2171 | reply_len = -1; |
3ae8b7b7 AS |
2172 | } else if (os_strncmp(buf, "VENDOR ", 7) == 0) { |
2173 | reply_len = hostapd_ctrl_iface_vendor(hapd, buf + 7, reply, | |
2174 | reply_size); | |
2c6411ed JM |
2175 | } else if (os_strcmp(buf, "ERP_FLUSH") == 0) { |
2176 | ieee802_1x_erp_flush(hapd); | |
2177 | #ifdef RADIUS_SERVER | |
2178 | radius_server_erp_flush(hapd->radius_srv); | |
2179 | #endif /* RADIUS_SERVER */ | |
cfb5c08f JM |
2180 | } else if (os_strncmp(buf, "EAPOL_REAUTH ", 13) == 0) { |
2181 | if (hostapd_ctrl_iface_eapol_reauth(hapd, buf + 13)) | |
2182 | reply_len = -1; | |
3722c0f4 JM |
2183 | } else if (os_strncmp(buf, "EAPOL_SET ", 10) == 0) { |
2184 | if (hostapd_ctrl_iface_eapol_set(hapd, buf + 10)) | |
2185 | reply_len = -1; | |
6fc6879b JM |
2186 | } else { |
2187 | os_memcpy(reply, "UNKNOWN COMMAND\n", 16); | |
2188 | reply_len = 16; | |
2189 | } | |
2190 | ||
2191 | if (reply_len < 0) { | |
2192 | os_memcpy(reply, "FAIL\n", 5); | |
2193 | reply_len = 5; | |
2194 | } | |
8e3e0b3f JM |
2195 | if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, |
2196 | fromlen) < 0) { | |
2197 | wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s", | |
2198 | strerror(errno)); | |
2199 | } | |
6fc6879b JM |
2200 | os_free(reply); |
2201 | } | |
2202 | ||
2203 | ||
2204 | static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd) | |
2205 | { | |
2206 | char *buf; | |
2207 | size_t len; | |
2208 | ||
2209 | if (hapd->conf->ctrl_interface == NULL) | |
2210 | return NULL; | |
2211 | ||
2212 | len = os_strlen(hapd->conf->ctrl_interface) + | |
2213 | os_strlen(hapd->conf->iface) + 2; | |
2214 | buf = os_malloc(len); | |
2215 | if (buf == NULL) | |
2216 | return NULL; | |
2217 | ||
2218 | os_snprintf(buf, len, "%s/%s", | |
2219 | hapd->conf->ctrl_interface, hapd->conf->iface); | |
2220 | buf[len - 1] = '\0'; | |
2221 | return buf; | |
2222 | } | |
2223 | ||
2224 | ||
995a3a06 JM |
2225 | static void hostapd_ctrl_iface_msg_cb(void *ctx, int level, |
2226 | enum wpa_msg_type type, | |
42d16805 JM |
2227 | const char *txt, size_t len) |
2228 | { | |
2229 | struct hostapd_data *hapd = ctx; | |
2230 | if (hapd == NULL) | |
2231 | return; | |
2232 | hostapd_ctrl_iface_send(hapd, level, txt, len); | |
2233 | } | |
2234 | ||
2235 | ||
6fc6879b JM |
2236 | int hostapd_ctrl_iface_init(struct hostapd_data *hapd) |
2237 | { | |
2238 | struct sockaddr_un addr; | |
2239 | int s = -1; | |
2240 | char *fname = NULL; | |
2241 | ||
9e7d033e SP |
2242 | if (hapd->ctrl_sock > -1) { |
2243 | wpa_printf(MSG_DEBUG, "ctrl_iface already exists!"); | |
2244 | return 0; | |
2245 | } | |
6fc6879b JM |
2246 | |
2247 | if (hapd->conf->ctrl_interface == NULL) | |
2248 | return 0; | |
2249 | ||
2250 | if (mkdir(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) { | |
2251 | if (errno == EEXIST) { | |
2252 | wpa_printf(MSG_DEBUG, "Using existing control " | |
2253 | "interface directory."); | |
2254 | } else { | |
a193231d JM |
2255 | wpa_printf(MSG_ERROR, "mkdir[ctrl_interface]: %s", |
2256 | strerror(errno)); | |
6fc6879b JM |
2257 | goto fail; |
2258 | } | |
2259 | } | |
2260 | ||
2261 | if (hapd->conf->ctrl_interface_gid_set && | |
9cbd5845 | 2262 | chown(hapd->conf->ctrl_interface, -1, |
6fc6879b | 2263 | hapd->conf->ctrl_interface_gid) < 0) { |
a193231d JM |
2264 | wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s", |
2265 | strerror(errno)); | |
6fc6879b JM |
2266 | return -1; |
2267 | } | |
2268 | ||
187f87f0 JM |
2269 | if (!hapd->conf->ctrl_interface_gid_set && |
2270 | hapd->iface->interfaces->ctrl_iface_group && | |
2271 | chown(hapd->conf->ctrl_interface, -1, | |
2272 | hapd->iface->interfaces->ctrl_iface_group) < 0) { | |
a193231d JM |
2273 | wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s", |
2274 | strerror(errno)); | |
187f87f0 JM |
2275 | return -1; |
2276 | } | |
2277 | ||
5bbf590a PF |
2278 | #ifdef ANDROID |
2279 | /* | |
2280 | * Android is using umask 0077 which would leave the control interface | |
2281 | * directory without group access. This breaks things since Wi-Fi | |
2282 | * framework assumes that this directory can be accessed by other | |
2283 | * applications in the wifi group. Fix this by adding group access even | |
2284 | * if umask value would prevent this. | |
2285 | */ | |
2286 | if (chmod(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) { | |
2287 | wpa_printf(MSG_ERROR, "CTRL: Could not chmod directory: %s", | |
2288 | strerror(errno)); | |
2289 | /* Try to continue anyway */ | |
2290 | } | |
2291 | #endif /* ANDROID */ | |
2292 | ||
6fc6879b JM |
2293 | if (os_strlen(hapd->conf->ctrl_interface) + 1 + |
2294 | os_strlen(hapd->conf->iface) >= sizeof(addr.sun_path)) | |
2295 | goto fail; | |
2296 | ||
2297 | s = socket(PF_UNIX, SOCK_DGRAM, 0); | |
2298 | if (s < 0) { | |
a193231d | 2299 | wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno)); |
6fc6879b JM |
2300 | goto fail; |
2301 | } | |
2302 | ||
2303 | os_memset(&addr, 0, sizeof(addr)); | |
75864b7f JM |
2304 | #ifdef __FreeBSD__ |
2305 | addr.sun_len = sizeof(addr); | |
2306 | #endif /* __FreeBSD__ */ | |
6fc6879b JM |
2307 | addr.sun_family = AF_UNIX; |
2308 | fname = hostapd_ctrl_iface_path(hapd); | |
2309 | if (fname == NULL) | |
2310 | goto fail; | |
2311 | os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path)); | |
2312 | if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { | |
617d1555 JM |
2313 | wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s", |
2314 | strerror(errno)); | |
2315 | if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { | |
2316 | wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not" | |
2317 | " allow connections - assuming it was left" | |
2318 | "over from forced program termination"); | |
2319 | if (unlink(fname) < 0) { | |
a193231d JM |
2320 | wpa_printf(MSG_ERROR, |
2321 | "Could not unlink existing ctrl_iface socket '%s': %s", | |
2322 | fname, strerror(errno)); | |
617d1555 JM |
2323 | goto fail; |
2324 | } | |
2325 | if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < | |
2326 | 0) { | |
a193231d JM |
2327 | wpa_printf(MSG_ERROR, |
2328 | "hostapd-ctrl-iface: bind(PF_UNIX): %s", | |
2329 | strerror(errno)); | |
617d1555 JM |
2330 | goto fail; |
2331 | } | |
2332 | wpa_printf(MSG_DEBUG, "Successfully replaced leftover " | |
2333 | "ctrl_iface socket '%s'", fname); | |
2334 | } else { | |
2335 | wpa_printf(MSG_INFO, "ctrl_iface exists and seems to " | |
2336 | "be in use - cannot override it"); | |
2337 | wpa_printf(MSG_INFO, "Delete '%s' manually if it is " | |
2338 | "not used anymore", fname); | |
2339 | os_free(fname); | |
2340 | fname = NULL; | |
2341 | goto fail; | |
2342 | } | |
6fc6879b JM |
2343 | } |
2344 | ||
2345 | if (hapd->conf->ctrl_interface_gid_set && | |
9cbd5845 | 2346 | chown(fname, -1, hapd->conf->ctrl_interface_gid) < 0) { |
a193231d JM |
2347 | wpa_printf(MSG_ERROR, "chown[ctrl_interface/ifname]: %s", |
2348 | strerror(errno)); | |
6fc6879b JM |
2349 | goto fail; |
2350 | } | |
2351 | ||
187f87f0 JM |
2352 | if (!hapd->conf->ctrl_interface_gid_set && |
2353 | hapd->iface->interfaces->ctrl_iface_group && | |
2354 | chown(fname, -1, hapd->iface->interfaces->ctrl_iface_group) < 0) { | |
a193231d JM |
2355 | wpa_printf(MSG_ERROR, "chown[ctrl_interface/ifname]: %s", |
2356 | strerror(errno)); | |
187f87f0 JM |
2357 | goto fail; |
2358 | } | |
2359 | ||
6fc6879b | 2360 | if (chmod(fname, S_IRWXU | S_IRWXG) < 0) { |
a193231d JM |
2361 | wpa_printf(MSG_ERROR, "chmod[ctrl_interface/ifname]: %s", |
2362 | strerror(errno)); | |
6fc6879b JM |
2363 | goto fail; |
2364 | } | |
2365 | os_free(fname); | |
2366 | ||
2367 | hapd->ctrl_sock = s; | |
86a7fbb2 JM |
2368 | if (eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd, |
2369 | NULL) < 0) { | |
2370 | hostapd_ctrl_iface_deinit(hapd); | |
2371 | return -1; | |
2372 | } | |
4f760fcc | 2373 | hapd->msg_ctx = hapd; |
42d16805 | 2374 | wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb); |
6fc6879b JM |
2375 | |
2376 | return 0; | |
2377 | ||
2378 | fail: | |
2379 | if (s >= 0) | |
2380 | close(s); | |
2381 | if (fname) { | |
2382 | unlink(fname); | |
2383 | os_free(fname); | |
2384 | } | |
2385 | return -1; | |
2386 | } | |
2387 | ||
2388 | ||
2389 | void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd) | |
2390 | { | |
2391 | struct wpa_ctrl_dst *dst, *prev; | |
2392 | ||
2393 | if (hapd->ctrl_sock > -1) { | |
2394 | char *fname; | |
2395 | eloop_unregister_read_sock(hapd->ctrl_sock); | |
2396 | close(hapd->ctrl_sock); | |
2397 | hapd->ctrl_sock = -1; | |
2398 | fname = hostapd_ctrl_iface_path(hapd); | |
2399 | if (fname) | |
2400 | unlink(fname); | |
2401 | os_free(fname); | |
2402 | ||
2403 | if (hapd->conf->ctrl_interface && | |
2404 | rmdir(hapd->conf->ctrl_interface) < 0) { | |
2405 | if (errno == ENOTEMPTY) { | |
2406 | wpa_printf(MSG_DEBUG, "Control interface " | |
2407 | "directory not empty - leaving it " | |
2408 | "behind"); | |
2409 | } else { | |
2c6f8cf6 JM |
2410 | wpa_printf(MSG_ERROR, |
2411 | "rmdir[ctrl_interface=%s]: %s", | |
2412 | hapd->conf->ctrl_interface, | |
2413 | strerror(errno)); | |
6fc6879b JM |
2414 | } |
2415 | } | |
2416 | } | |
2417 | ||
2418 | dst = hapd->ctrl_dst; | |
86a7fbb2 | 2419 | hapd->ctrl_dst = NULL; |
6fc6879b JM |
2420 | while (dst) { |
2421 | prev = dst; | |
2422 | dst = dst->next; | |
2423 | os_free(prev); | |
2424 | } | |
4a6cc862 JM |
2425 | |
2426 | #ifdef CONFIG_TESTING_OPTIONS | |
2427 | l2_packet_deinit(hapd->l2_test); | |
2428 | hapd->l2_test = NULL; | |
2429 | #endif /* CONFIG_TESTING_OPTIONS */ | |
6fc6879b JM |
2430 | } |
2431 | ||
2432 | ||
06bb8c62 SP |
2433 | static int hostapd_ctrl_iface_add(struct hapd_interfaces *interfaces, |
2434 | char *buf) | |
2435 | { | |
2436 | if (hostapd_add_iface(interfaces, buf) < 0) { | |
2437 | wpa_printf(MSG_ERROR, "Adding interface %s failed", buf); | |
2438 | return -1; | |
2439 | } | |
2440 | return 0; | |
2441 | } | |
2442 | ||
2443 | ||
2444 | static int hostapd_ctrl_iface_remove(struct hapd_interfaces *interfaces, | |
2445 | char *buf) | |
2446 | { | |
2447 | if (hostapd_remove_iface(interfaces, buf) < 0) { | |
2448 | wpa_printf(MSG_ERROR, "Removing interface %s failed", buf); | |
2449 | return -1; | |
2450 | } | |
2451 | return 0; | |
2452 | } | |
2453 | ||
2454 | ||
91226e0d JM |
2455 | static void hostapd_ctrl_iface_flush(struct hapd_interfaces *interfaces) |
2456 | { | |
2457 | #ifdef CONFIG_WPS_TESTING | |
2458 | wps_version_number = 0x20; | |
2459 | wps_testing_dummy_cred = 0; | |
2460 | wps_corrupt_pkhash = 0; | |
2461 | #endif /* CONFIG_WPS_TESTING */ | |
2462 | } | |
2463 | ||
2464 | ||
c90fd485 SP |
2465 | static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx, |
2466 | void *sock_ctx) | |
2467 | { | |
06bb8c62 | 2468 | void *interfaces = eloop_ctx; |
c90fd485 SP |
2469 | char buf[256]; |
2470 | int res; | |
2471 | struct sockaddr_un from; | |
2472 | socklen_t fromlen = sizeof(from); | |
2473 | char reply[24]; | |
2474 | int reply_len; | |
2475 | ||
2476 | res = recvfrom(sock, buf, sizeof(buf) - 1, 0, | |
2477 | (struct sockaddr *) &from, &fromlen); | |
2478 | if (res < 0) { | |
a193231d JM |
2479 | wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s", |
2480 | strerror(errno)); | |
c90fd485 SP |
2481 | return; |
2482 | } | |
2483 | buf[res] = '\0'; | |
3f134b43 | 2484 | wpa_printf(MSG_DEBUG, "Global ctrl_iface command: %s", buf); |
c90fd485 SP |
2485 | |
2486 | os_memcpy(reply, "OK\n", 3); | |
2487 | reply_len = 3; | |
2488 | ||
2489 | if (os_strcmp(buf, "PING") == 0) { | |
2490 | os_memcpy(reply, "PONG\n", 5); | |
2491 | reply_len = 5; | |
3f134b43 JM |
2492 | } else if (os_strncmp(buf, "RELOG", 5) == 0) { |
2493 | if (wpa_debug_reopen_file() < 0) | |
2494 | reply_len = -1; | |
91226e0d JM |
2495 | } else if (os_strcmp(buf, "FLUSH") == 0) { |
2496 | hostapd_ctrl_iface_flush(interfaces); | |
06bb8c62 SP |
2497 | } else if (os_strncmp(buf, "ADD ", 4) == 0) { |
2498 | if (hostapd_ctrl_iface_add(interfaces, buf + 4) < 0) | |
2499 | reply_len = -1; | |
2500 | } else if (os_strncmp(buf, "REMOVE ", 7) == 0) { | |
2501 | if (hostapd_ctrl_iface_remove(interfaces, buf + 7) < 0) | |
2502 | reply_len = -1; | |
ea449b5b JM |
2503 | #ifdef CONFIG_MODULE_TESTS |
2504 | } else if (os_strcmp(buf, "MODULE_TESTS") == 0) { | |
2505 | int hapd_module_tests(void); | |
2506 | if (hapd_module_tests() < 0) | |
2507 | reply_len = -1; | |
2508 | #endif /* CONFIG_MODULE_TESTS */ | |
c90fd485 SP |
2509 | } else { |
2510 | wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command " | |
2511 | "ignored"); | |
2512 | reply_len = -1; | |
2513 | } | |
2514 | ||
2515 | if (reply_len < 0) { | |
2516 | os_memcpy(reply, "FAIL\n", 5); | |
2517 | reply_len = 5; | |
2518 | } | |
2519 | ||
8e3e0b3f JM |
2520 | if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, |
2521 | fromlen) < 0) { | |
2522 | wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s", | |
2523 | strerror(errno)); | |
2524 | } | |
c90fd485 SP |
2525 | } |
2526 | ||
2527 | ||
2528 | static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface) | |
2529 | { | |
2530 | char *buf; | |
2531 | size_t len; | |
2532 | ||
2533 | if (interface->global_iface_path == NULL) | |
2534 | return NULL; | |
2535 | ||
2536 | len = os_strlen(interface->global_iface_path) + | |
2537 | os_strlen(interface->global_iface_name) + 2; | |
2538 | buf = os_malloc(len); | |
2539 | if (buf == NULL) | |
2540 | return NULL; | |
2541 | ||
2542 | os_snprintf(buf, len, "%s/%s", interface->global_iface_path, | |
2543 | interface->global_iface_name); | |
2544 | buf[len - 1] = '\0'; | |
2545 | return buf; | |
2546 | } | |
2547 | ||
2548 | ||
2549 | int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface) | |
2550 | { | |
2551 | struct sockaddr_un addr; | |
2552 | int s = -1; | |
2553 | char *fname = NULL; | |
2554 | ||
2555 | if (interface->global_iface_path == NULL) { | |
2556 | wpa_printf(MSG_DEBUG, "ctrl_iface not configured!"); | |
2557 | return 0; | |
2558 | } | |
2559 | ||
2560 | if (mkdir(interface->global_iface_path, S_IRWXU | S_IRWXG) < 0) { | |
2561 | if (errno == EEXIST) { | |
2562 | wpa_printf(MSG_DEBUG, "Using existing control " | |
2563 | "interface directory."); | |
2564 | } else { | |
a193231d JM |
2565 | wpa_printf(MSG_ERROR, "mkdir[ctrl_interface]: %s", |
2566 | strerror(errno)); | |
c90fd485 SP |
2567 | goto fail; |
2568 | } | |
187f87f0 JM |
2569 | } else if (interface->ctrl_iface_group && |
2570 | chown(interface->global_iface_path, -1, | |
2571 | interface->ctrl_iface_group) < 0) { | |
a193231d JM |
2572 | wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s", |
2573 | strerror(errno)); | |
187f87f0 | 2574 | goto fail; |
c90fd485 SP |
2575 | } |
2576 | ||
2577 | if (os_strlen(interface->global_iface_path) + 1 + | |
2578 | os_strlen(interface->global_iface_name) >= sizeof(addr.sun_path)) | |
2579 | goto fail; | |
2580 | ||
2581 | s = socket(PF_UNIX, SOCK_DGRAM, 0); | |
2582 | if (s < 0) { | |
a193231d | 2583 | wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno)); |
c90fd485 SP |
2584 | goto fail; |
2585 | } | |
2586 | ||
2587 | os_memset(&addr, 0, sizeof(addr)); | |
2588 | #ifdef __FreeBSD__ | |
2589 | addr.sun_len = sizeof(addr); | |
2590 | #endif /* __FreeBSD__ */ | |
2591 | addr.sun_family = AF_UNIX; | |
2592 | fname = hostapd_global_ctrl_iface_path(interface); | |
2593 | if (fname == NULL) | |
2594 | goto fail; | |
2595 | os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path)); | |
2596 | if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { | |
2597 | wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s", | |
2598 | strerror(errno)); | |
2599 | if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { | |
2600 | wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not" | |
2601 | " allow connections - assuming it was left" | |
2602 | "over from forced program termination"); | |
2603 | if (unlink(fname) < 0) { | |
a193231d JM |
2604 | wpa_printf(MSG_ERROR, |
2605 | "Could not unlink existing ctrl_iface socket '%s': %s", | |
2606 | fname, strerror(errno)); | |
c90fd485 SP |
2607 | goto fail; |
2608 | } | |
2609 | if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < | |
2610 | 0) { | |
a193231d JM |
2611 | wpa_printf(MSG_ERROR, "bind(PF_UNIX): %s", |
2612 | strerror(errno)); | |
c90fd485 SP |
2613 | goto fail; |
2614 | } | |
2615 | wpa_printf(MSG_DEBUG, "Successfully replaced leftover " | |
2616 | "ctrl_iface socket '%s'", fname); | |
2617 | } else { | |
2618 | wpa_printf(MSG_INFO, "ctrl_iface exists and seems to " | |
2619 | "be in use - cannot override it"); | |
2620 | wpa_printf(MSG_INFO, "Delete '%s' manually if it is " | |
2621 | "not used anymore", fname); | |
2622 | os_free(fname); | |
2623 | fname = NULL; | |
2624 | goto fail; | |
2625 | } | |
2626 | } | |
2627 | ||
187f87f0 JM |
2628 | if (interface->ctrl_iface_group && |
2629 | chown(fname, -1, interface->ctrl_iface_group) < 0) { | |
a193231d JM |
2630 | wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s", |
2631 | strerror(errno)); | |
187f87f0 JM |
2632 | goto fail; |
2633 | } | |
2634 | ||
c90fd485 | 2635 | if (chmod(fname, S_IRWXU | S_IRWXG) < 0) { |
a193231d JM |
2636 | wpa_printf(MSG_ERROR, "chmod[ctrl_interface/ifname]: %s", |
2637 | strerror(errno)); | |
c90fd485 SP |
2638 | goto fail; |
2639 | } | |
2640 | os_free(fname); | |
2641 | ||
2642 | interface->global_ctrl_sock = s; | |
2643 | eloop_register_read_sock(s, hostapd_global_ctrl_iface_receive, | |
2644 | interface, NULL); | |
2645 | ||
2646 | return 0; | |
2647 | ||
2648 | fail: | |
2649 | if (s >= 0) | |
2650 | close(s); | |
2651 | if (fname) { | |
2652 | unlink(fname); | |
2653 | os_free(fname); | |
2654 | } | |
2655 | return -1; | |
2656 | } | |
2657 | ||
2658 | ||
2659 | void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces) | |
2660 | { | |
2661 | char *fname = NULL; | |
2662 | ||
2663 | if (interfaces->global_ctrl_sock > -1) { | |
2664 | eloop_unregister_read_sock(interfaces->global_ctrl_sock); | |
2665 | close(interfaces->global_ctrl_sock); | |
2666 | interfaces->global_ctrl_sock = -1; | |
2667 | fname = hostapd_global_ctrl_iface_path(interfaces); | |
2668 | if (fname) { | |
2669 | unlink(fname); | |
2670 | os_free(fname); | |
2671 | } | |
2672 | ||
2673 | if (interfaces->global_iface_path && | |
2674 | rmdir(interfaces->global_iface_path) < 0) { | |
2675 | if (errno == ENOTEMPTY) { | |
2676 | wpa_printf(MSG_DEBUG, "Control interface " | |
2677 | "directory not empty - leaving it " | |
2678 | "behind"); | |
2679 | } else { | |
2c6f8cf6 JM |
2680 | wpa_printf(MSG_ERROR, |
2681 | "rmdir[ctrl_interface=%s]: %s", | |
2682 | interfaces->global_iface_path, | |
2683 | strerror(errno)); | |
c90fd485 SP |
2684 | } |
2685 | } | |
2686 | os_free(interfaces->global_iface_path); | |
2687 | interfaces->global_iface_path = NULL; | |
2688 | } | |
2689 | } | |
2690 | ||
2691 | ||
42d16805 JM |
2692 | static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level, |
2693 | const char *buf, size_t len) | |
6fc6879b JM |
2694 | { |
2695 | struct wpa_ctrl_dst *dst, *next; | |
2696 | struct msghdr msg; | |
2697 | int idx; | |
2698 | struct iovec io[2]; | |
2699 | char levelstr[10]; | |
2700 | ||
2701 | dst = hapd->ctrl_dst; | |
2702 | if (hapd->ctrl_sock < 0 || dst == NULL) | |
2703 | return; | |
2704 | ||
2705 | os_snprintf(levelstr, sizeof(levelstr), "<%d>", level); | |
2706 | io[0].iov_base = levelstr; | |
2707 | io[0].iov_len = os_strlen(levelstr); | |
42d16805 | 2708 | io[1].iov_base = (char *) buf; |
6fc6879b JM |
2709 | io[1].iov_len = len; |
2710 | os_memset(&msg, 0, sizeof(msg)); | |
2711 | msg.msg_iov = io; | |
2712 | msg.msg_iovlen = 2; | |
2713 | ||
2714 | idx = 0; | |
2715 | while (dst) { | |
2716 | next = dst->next; | |
2717 | if (level >= dst->debug_level) { | |
2718 | wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send", | |
75864b7f JM |
2719 | (u8 *) dst->addr.sun_path, dst->addrlen - |
2720 | offsetof(struct sockaddr_un, sun_path)); | |
6fc6879b JM |
2721 | msg.msg_name = &dst->addr; |
2722 | msg.msg_namelen = dst->addrlen; | |
2723 | if (sendmsg(hapd->ctrl_sock, &msg, 0) < 0) { | |
c5aaa015 JM |
2724 | int _errno = errno; |
2725 | wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: " | |
2726 | "%d - %s", | |
2727 | idx, errno, strerror(errno)); | |
6fc6879b | 2728 | dst->errors++; |
c5aaa015 | 2729 | if (dst->errors > 10 || _errno == ENOENT) { |
6fc6879b JM |
2730 | hostapd_ctrl_iface_detach( |
2731 | hapd, &dst->addr, | |
2732 | dst->addrlen); | |
2733 | } | |
2734 | } else | |
2735 | dst->errors = 0; | |
2736 | } | |
2737 | idx++; | |
2738 | dst = next; | |
2739 | } | |
2740 | } | |
2741 | ||
2742 | #endif /* CONFIG_NATIVE_WINDOWS */ |