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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * hostapd / UNIX domain socket -based control interface | |
3f134b43 | 3 | * Copyright (c) 2004-2013, 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 | ||
13 | #include <sys/un.h> | |
14 | #include <sys/stat.h> | |
75864b7f | 15 | #include <stddef.h> |
6fc6879b | 16 | |
6226e38d JM |
17 | #include "utils/common.h" |
18 | #include "utils/eloop.h" | |
acec8d32 | 19 | #include "common/version.h" |
81f4f619 | 20 | #include "common/ieee802_11_defs.h" |
1057d78e | 21 | #include "drivers/driver.h" |
6fc6879b | 22 | #include "radius/radius_client.h" |
1057d78e | 23 | #include "ap/hostapd.h" |
6226e38d | 24 | #include "ap/ap_config.h" |
1057d78e | 25 | #include "ap/ieee802_1x.h" |
6226e38d | 26 | #include "ap/wpa_auth.h" |
1057d78e JM |
27 | #include "ap/ieee802_11.h" |
28 | #include "ap/sta_info.h" | |
32da61d9 | 29 | #include "ap/wps_hostapd.h" |
0e2d35c6 | 30 | #include "ap/ctrl_iface_ap.h" |
51e2a27a | 31 | #include "ap/ap_drv_ops.h" |
2025cad9 | 32 | #include "ap/wnm_ap.h" |
901d1fe1 | 33 | #include "ap/wpa_auth.h" |
b4e34f2f | 34 | #include "wps/wps_defs.h" |
3981cb3c | 35 | #include "wps/wps.h" |
31b79e11 | 36 | #include "config_file.h" |
6fc6879b | 37 | #include "ctrl_iface.h" |
6fc6879b JM |
38 | |
39 | ||
40 | struct wpa_ctrl_dst { | |
41 | struct wpa_ctrl_dst *next; | |
42 | struct sockaddr_un addr; | |
43 | socklen_t addrlen; | |
44 | int debug_level; | |
45 | int errors; | |
46 | }; | |
47 | ||
48 | ||
42d16805 JM |
49 | static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level, |
50 | const char *buf, size_t len); | |
51 | ||
52 | ||
6fc6879b JM |
53 | static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd, |
54 | struct sockaddr_un *from, | |
55 | socklen_t fromlen) | |
56 | { | |
57 | struct wpa_ctrl_dst *dst; | |
58 | ||
59 | dst = os_zalloc(sizeof(*dst)); | |
60 | if (dst == NULL) | |
61 | return -1; | |
62 | os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un)); | |
63 | dst->addrlen = fromlen; | |
64 | dst->debug_level = MSG_INFO; | |
65 | dst->next = hapd->ctrl_dst; | |
66 | hapd->ctrl_dst = dst; | |
67 | wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached", | |
75864b7f JM |
68 | (u8 *) from->sun_path, |
69 | fromlen - offsetof(struct sockaddr_un, sun_path)); | |
6fc6879b JM |
70 | return 0; |
71 | } | |
72 | ||
73 | ||
74 | static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd, | |
75 | struct sockaddr_un *from, | |
76 | socklen_t fromlen) | |
77 | { | |
78 | struct wpa_ctrl_dst *dst, *prev = NULL; | |
79 | ||
80 | dst = hapd->ctrl_dst; | |
81 | while (dst) { | |
82 | if (fromlen == dst->addrlen && | |
75864b7f JM |
83 | os_memcmp(from->sun_path, dst->addr.sun_path, |
84 | fromlen - offsetof(struct sockaddr_un, sun_path)) | |
85 | == 0) { | |
8540e0b5 JM |
86 | wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached", |
87 | (u8 *) from->sun_path, | |
88 | fromlen - | |
89 | offsetof(struct sockaddr_un, sun_path)); | |
6fc6879b JM |
90 | if (prev == NULL) |
91 | hapd->ctrl_dst = dst->next; | |
92 | else | |
93 | prev->next = dst->next; | |
94 | os_free(dst); | |
6fc6879b JM |
95 | return 0; |
96 | } | |
97 | prev = dst; | |
98 | dst = dst->next; | |
99 | } | |
100 | return -1; | |
101 | } | |
102 | ||
103 | ||
104 | static int hostapd_ctrl_iface_level(struct hostapd_data *hapd, | |
105 | struct sockaddr_un *from, | |
106 | socklen_t fromlen, | |
107 | char *level) | |
108 | { | |
109 | struct wpa_ctrl_dst *dst; | |
110 | ||
111 | wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level); | |
112 | ||
113 | dst = hapd->ctrl_dst; | |
114 | while (dst) { | |
115 | if (fromlen == dst->addrlen && | |
75864b7f JM |
116 | os_memcmp(from->sun_path, dst->addr.sun_path, |
117 | fromlen - offsetof(struct sockaddr_un, sun_path)) | |
118 | == 0) { | |
6fc6879b | 119 | wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor " |
75864b7f JM |
120 | "level", (u8 *) from->sun_path, fromlen - |
121 | offsetof(struct sockaddr_un, sun_path)); | |
6fc6879b JM |
122 | dst->debug_level = atoi(level); |
123 | return 0; | |
124 | } | |
125 | dst = dst->next; | |
126 | } | |
127 | ||
128 | return -1; | |
129 | } | |
130 | ||
131 | ||
6fc6879b JM |
132 | static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd, |
133 | const char *txtaddr) | |
134 | { | |
135 | u8 addr[ETH_ALEN]; | |
136 | struct sta_info *sta; | |
137 | ||
138 | wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr); | |
139 | ||
140 | if (hwaddr_aton(txtaddr, addr)) | |
141 | return -1; | |
142 | ||
143 | sta = ap_get_sta(hapd, addr); | |
144 | if (sta) | |
145 | return 0; | |
146 | ||
147 | wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface " | |
148 | "notification", MAC2STR(addr)); | |
149 | sta = ap_sta_add(hapd, addr); | |
150 | if (sta == NULL) | |
151 | return -1; | |
152 | ||
153 | hostapd_new_assoc_sta(hapd, sta, 0); | |
6fc6879b JM |
154 | return 0; |
155 | } | |
156 | ||
157 | ||
88b4b424 | 158 | #ifdef CONFIG_IEEE80211W |
fe6bdb77 | 159 | #ifdef NEED_AP_MLME |
88b4b424 JM |
160 | static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd, |
161 | const char *txtaddr) | |
162 | { | |
163 | u8 addr[ETH_ALEN]; | |
164 | u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; | |
165 | ||
166 | wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr); | |
167 | ||
f5455a2d JM |
168 | if (hwaddr_aton(txtaddr, addr) || |
169 | os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0) | |
88b4b424 JM |
170 | return -1; |
171 | ||
88b4b424 JM |
172 | ieee802_11_send_sa_query_req(hapd, addr, trans_id); |
173 | ||
174 | return 0; | |
175 | } | |
fe6bdb77 | 176 | #endif /* NEED_AP_MLME */ |
88b4b424 JM |
177 | #endif /* CONFIG_IEEE80211W */ |
178 | ||
179 | ||
ad08c363 JM |
180 | #ifdef CONFIG_WPS |
181 | static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt) | |
182 | { | |
183 | char *pin = os_strchr(txt, ' '); | |
077a781f JM |
184 | char *timeout_txt; |
185 | int timeout; | |
31fcea93 JM |
186 | u8 addr_buf[ETH_ALEN], *addr = NULL; |
187 | char *pos; | |
077a781f | 188 | |
ad08c363 JM |
189 | if (pin == NULL) |
190 | return -1; | |
191 | *pin++ = '\0'; | |
077a781f JM |
192 | |
193 | timeout_txt = os_strchr(pin, ' '); | |
194 | if (timeout_txt) { | |
195 | *timeout_txt++ = '\0'; | |
196 | timeout = atoi(timeout_txt); | |
31fcea93 JM |
197 | pos = os_strchr(timeout_txt, ' '); |
198 | if (pos) { | |
199 | *pos++ = '\0'; | |
200 | if (hwaddr_aton(pos, addr_buf) == 0) | |
201 | addr = addr_buf; | |
202 | } | |
077a781f JM |
203 | } else |
204 | timeout = 0; | |
205 | ||
31fcea93 | 206 | return hostapd_wps_add_pin(hapd, addr, txt, pin, timeout); |
ad08c363 | 207 | } |
46bdb83a MH |
208 | |
209 | ||
3981cb3c JM |
210 | static int hostapd_ctrl_iface_wps_check_pin( |
211 | struct hostapd_data *hapd, char *cmd, char *buf, size_t buflen) | |
212 | { | |
213 | char pin[9]; | |
214 | size_t len; | |
215 | char *pos; | |
216 | int ret; | |
217 | ||
218 | wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN", | |
219 | (u8 *) cmd, os_strlen(cmd)); | |
220 | for (pos = cmd, len = 0; *pos != '\0'; pos++) { | |
221 | if (*pos < '0' || *pos > '9') | |
222 | continue; | |
223 | pin[len++] = *pos; | |
224 | if (len == 9) { | |
225 | wpa_printf(MSG_DEBUG, "WPS: Too long PIN"); | |
226 | return -1; | |
227 | } | |
228 | } | |
229 | if (len != 4 && len != 8) { | |
230 | wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len); | |
231 | return -1; | |
232 | } | |
233 | pin[len] = '\0'; | |
234 | ||
235 | if (len == 8) { | |
236 | unsigned int pin_val; | |
237 | pin_val = atoi(pin); | |
238 | if (!wps_pin_valid(pin_val)) { | |
239 | wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit"); | |
240 | ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n"); | |
241 | if (ret < 0 || (size_t) ret >= buflen) | |
242 | return -1; | |
243 | return ret; | |
244 | } | |
245 | } | |
246 | ||
247 | ret = os_snprintf(buf, buflen, "%s", pin); | |
248 | if (ret < 0 || (size_t) ret >= buflen) | |
249 | return -1; | |
250 | ||
251 | return ret; | |
252 | } | |
253 | ||
254 | ||
bb45b6d7 JM |
255 | #ifdef CONFIG_WPS_NFC |
256 | static int hostapd_ctrl_iface_wps_nfc_tag_read(struct hostapd_data *hapd, | |
257 | char *pos) | |
258 | { | |
259 | size_t len; | |
260 | struct wpabuf *buf; | |
261 | int ret; | |
262 | ||
263 | len = os_strlen(pos); | |
264 | if (len & 0x01) | |
265 | return -1; | |
266 | len /= 2; | |
267 | ||
268 | buf = wpabuf_alloc(len); | |
269 | if (buf == NULL) | |
270 | return -1; | |
271 | if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) { | |
272 | wpabuf_free(buf); | |
273 | return -1; | |
274 | } | |
275 | ||
276 | ret = hostapd_wps_nfc_tag_read(hapd, buf); | |
277 | wpabuf_free(buf); | |
278 | ||
279 | return ret; | |
280 | } | |
3cf7a59d JM |
281 | |
282 | ||
283 | static int hostapd_ctrl_iface_wps_nfc_config_token(struct hostapd_data *hapd, | |
284 | char *cmd, char *reply, | |
285 | size_t max_len) | |
286 | { | |
287 | int ndef; | |
288 | struct wpabuf *buf; | |
289 | int res; | |
290 | ||
291 | if (os_strcmp(cmd, "WPS") == 0) | |
292 | ndef = 0; | |
293 | else if (os_strcmp(cmd, "NDEF") == 0) | |
294 | ndef = 1; | |
295 | else | |
296 | return -1; | |
297 | ||
298 | buf = hostapd_wps_nfc_config_token(hapd, ndef); | |
299 | if (buf == NULL) | |
300 | return -1; | |
301 | ||
302 | res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf), | |
303 | wpabuf_len(buf)); | |
304 | reply[res++] = '\n'; | |
305 | reply[res] = '\0'; | |
306 | ||
307 | wpabuf_free(buf); | |
308 | ||
309 | return res; | |
310 | } | |
ffdaa05a JM |
311 | |
312 | ||
313 | static int hostapd_ctrl_iface_wps_nfc_token_gen(struct hostapd_data *hapd, | |
314 | char *reply, size_t max_len, | |
315 | int ndef) | |
316 | { | |
317 | struct wpabuf *buf; | |
318 | int res; | |
319 | ||
320 | buf = hostapd_wps_nfc_token_gen(hapd, ndef); | |
321 | if (buf == NULL) | |
322 | return -1; | |
323 | ||
324 | res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf), | |
325 | wpabuf_len(buf)); | |
326 | reply[res++] = '\n'; | |
327 | reply[res] = '\0'; | |
328 | ||
329 | wpabuf_free(buf); | |
330 | ||
331 | return res; | |
332 | } | |
333 | ||
334 | ||
335 | static int hostapd_ctrl_iface_wps_nfc_token(struct hostapd_data *hapd, | |
336 | char *cmd, char *reply, | |
337 | size_t max_len) | |
338 | { | |
339 | if (os_strcmp(cmd, "WPS") == 0) | |
340 | return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply, | |
341 | max_len, 0); | |
342 | ||
343 | if (os_strcmp(cmd, "NDEF") == 0) | |
344 | return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply, | |
345 | max_len, 1); | |
346 | ||
347 | if (os_strcmp(cmd, "enable") == 0) | |
348 | return hostapd_wps_nfc_token_enable(hapd); | |
349 | ||
350 | if (os_strcmp(cmd, "disable") == 0) { | |
351 | hostapd_wps_nfc_token_disable(hapd); | |
352 | return 0; | |
353 | } | |
354 | ||
355 | return -1; | |
356 | } | |
6772a90a JM |
357 | |
358 | ||
359 | static int hostapd_ctrl_iface_nfc_get_handover_sel(struct hostapd_data *hapd, | |
360 | char *cmd, char *reply, | |
361 | size_t max_len) | |
362 | { | |
363 | struct wpabuf *buf; | |
364 | int res; | |
365 | char *pos; | |
366 | int ndef; | |
367 | ||
368 | pos = os_strchr(cmd, ' '); | |
369 | if (pos == NULL) | |
370 | return -1; | |
371 | *pos++ = '\0'; | |
372 | ||
373 | if (os_strcmp(cmd, "WPS") == 0) | |
374 | ndef = 0; | |
375 | else if (os_strcmp(cmd, "NDEF") == 0) | |
376 | ndef = 1; | |
377 | else | |
378 | return -1; | |
379 | ||
380 | if (os_strcmp(pos, "WPS-CR") == 0) | |
381 | buf = hostapd_wps_nfc_hs_cr(hapd, ndef); | |
382 | else | |
383 | buf = NULL; | |
384 | if (buf == NULL) | |
385 | return -1; | |
386 | ||
387 | res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf), | |
388 | wpabuf_len(buf)); | |
389 | reply[res++] = '\n'; | |
390 | reply[res] = '\0'; | |
391 | ||
392 | wpabuf_free(buf); | |
393 | ||
394 | return res; | |
395 | } | |
396 | ||
e4758827 JM |
397 | |
398 | static int hostapd_ctrl_iface_nfc_report_handover(struct hostapd_data *hapd, | |
399 | char *cmd) | |
400 | { | |
401 | /* | |
402 | * Since NFC connection handover provided full WPS Credential, there is | |
403 | * no need for additional operations within hostapd. Just report this in | |
404 | * debug log. | |
405 | */ | |
406 | wpa_printf(MSG_DEBUG, "NFC: Connection handover reported: %s", cmd); | |
407 | return 0; | |
408 | } | |
409 | ||
bb45b6d7 JM |
410 | #endif /* CONFIG_WPS_NFC */ |
411 | ||
412 | ||
5a1cc30f JM |
413 | static int hostapd_ctrl_iface_wps_ap_pin(struct hostapd_data *hapd, char *txt, |
414 | char *buf, size_t buflen) | |
415 | { | |
416 | int timeout = 300; | |
417 | char *pos; | |
418 | const char *pin_txt; | |
419 | ||
420 | pos = os_strchr(txt, ' '); | |
421 | if (pos) | |
422 | *pos++ = '\0'; | |
423 | ||
424 | if (os_strcmp(txt, "disable") == 0) { | |
425 | hostapd_wps_ap_pin_disable(hapd); | |
426 | return os_snprintf(buf, buflen, "OK\n"); | |
427 | } | |
428 | ||
429 | if (os_strcmp(txt, "random") == 0) { | |
430 | if (pos) | |
431 | timeout = atoi(pos); | |
432 | pin_txt = hostapd_wps_ap_pin_random(hapd, timeout); | |
433 | if (pin_txt == NULL) | |
434 | return -1; | |
435 | return os_snprintf(buf, buflen, "%s", pin_txt); | |
436 | } | |
437 | ||
438 | if (os_strcmp(txt, "get") == 0) { | |
439 | pin_txt = hostapd_wps_ap_pin_get(hapd); | |
440 | if (pin_txt == NULL) | |
441 | return -1; | |
442 | return os_snprintf(buf, buflen, "%s", pin_txt); | |
443 | } | |
444 | ||
445 | if (os_strcmp(txt, "set") == 0) { | |
446 | char *pin; | |
447 | if (pos == NULL) | |
448 | return -1; | |
449 | pin = pos; | |
450 | pos = os_strchr(pos, ' '); | |
451 | if (pos) { | |
452 | *pos++ = '\0'; | |
453 | timeout = atoi(pos); | |
454 | } | |
455 | if (os_strlen(pin) > buflen) | |
456 | return -1; | |
457 | if (hostapd_wps_ap_pin_set(hapd, pin, timeout) < 0) | |
458 | return -1; | |
459 | return os_snprintf(buf, buflen, "%s", pin); | |
460 | } | |
461 | ||
462 | return -1; | |
463 | } | |
450eddcf JM |
464 | |
465 | ||
466 | static int hostapd_ctrl_iface_wps_config(struct hostapd_data *hapd, char *txt) | |
467 | { | |
468 | char *pos; | |
469 | char *ssid, *auth, *encr = NULL, *key = NULL; | |
470 | ||
471 | ssid = txt; | |
472 | pos = os_strchr(txt, ' '); | |
473 | if (!pos) | |
474 | return -1; | |
475 | *pos++ = '\0'; | |
476 | ||
477 | auth = pos; | |
478 | pos = os_strchr(pos, ' '); | |
479 | if (pos) { | |
480 | *pos++ = '\0'; | |
481 | encr = pos; | |
482 | pos = os_strchr(pos, ' '); | |
483 | if (pos) { | |
484 | *pos++ = '\0'; | |
485 | key = pos; | |
486 | } | |
487 | } | |
488 | ||
489 | return hostapd_wps_config_ap(hapd, ssid, auth, encr, key); | |
490 | } | |
3351a384 JM |
491 | |
492 | ||
493 | static const char * pbc_status_str(enum pbc_status status) | |
494 | { | |
495 | switch (status) { | |
496 | case WPS_PBC_STATUS_DISABLE: | |
497 | return "Disabled"; | |
498 | case WPS_PBC_STATUS_ACTIVE: | |
499 | return "Active"; | |
500 | case WPS_PBC_STATUS_TIMEOUT: | |
501 | return "Timed-out"; | |
502 | case WPS_PBC_STATUS_OVERLAP: | |
503 | return "Overlap"; | |
504 | default: | |
505 | return "Unknown"; | |
506 | } | |
507 | } | |
508 | ||
509 | ||
510 | static int hostapd_ctrl_iface_wps_get_status(struct hostapd_data *hapd, | |
511 | char *buf, size_t buflen) | |
512 | { | |
513 | int ret; | |
514 | char *pos, *end; | |
515 | ||
516 | pos = buf; | |
517 | end = buf + buflen; | |
518 | ||
519 | ret = os_snprintf(pos, end - pos, "PBC Status: %s\n", | |
520 | pbc_status_str(hapd->wps_stats.pbc_status)); | |
521 | ||
522 | if (ret < 0 || ret >= end - pos) | |
523 | return pos - buf; | |
524 | pos += ret; | |
525 | ||
526 | ret = os_snprintf(pos, end - pos, "Last WPS result: %s\n", | |
527 | (hapd->wps_stats.status == WPS_STATUS_SUCCESS ? | |
528 | "Success": | |
529 | (hapd->wps_stats.status == WPS_STATUS_FAILURE ? | |
530 | "Failed" : "None"))); | |
531 | ||
532 | if (ret < 0 || ret >= end - pos) | |
533 | return pos - buf; | |
534 | pos += ret; | |
535 | ||
536 | /* If status == Failure - Add possible Reasons */ | |
537 | if(hapd->wps_stats.status == WPS_STATUS_FAILURE && | |
538 | hapd->wps_stats.failure_reason > 0) { | |
539 | ret = os_snprintf(pos, end - pos, | |
540 | "Failure Reason: %s\n", | |
541 | wps_ei_str(hapd->wps_stats.failure_reason)); | |
542 | ||
543 | if (ret < 0 || ret >= end - pos) | |
544 | return pos - buf; | |
545 | pos += ret; | |
546 | } | |
547 | ||
548 | if (hapd->wps_stats.status) { | |
549 | ret = os_snprintf(pos, end - pos, "Peer Address: " MACSTR "\n", | |
550 | MAC2STR(hapd->wps_stats.peer_addr)); | |
551 | ||
552 | if (ret < 0 || ret >= end - pos) | |
553 | return pos - buf; | |
554 | pos += ret; | |
555 | } | |
556 | ||
557 | return pos - buf; | |
558 | } | |
559 | ||
ad08c363 JM |
560 | #endif /* CONFIG_WPS */ |
561 | ||
562 | ||
c551700f KP |
563 | #ifdef CONFIG_INTERWORKING |
564 | ||
565 | static int hostapd_ctrl_iface_set_qos_map_set(struct hostapd_data *hapd, | |
566 | const char *cmd) | |
567 | { | |
568 | u8 qos_map_set[16 + 2 * 21], count = 0; | |
569 | const char *pos = cmd; | |
570 | int val, ret; | |
571 | ||
572 | for (;;) { | |
573 | if (count == sizeof(qos_map_set)) { | |
574 | wpa_printf(MSG_ERROR, "Too many qos_map_set parameters"); | |
575 | return -1; | |
576 | } | |
577 | ||
578 | val = atoi(pos); | |
579 | if (val < 0 || val > 255) { | |
580 | wpa_printf(MSG_INFO, "Invalid QoS Map Set"); | |
581 | return -1; | |
582 | } | |
583 | ||
584 | qos_map_set[count++] = val; | |
585 | pos = os_strchr(pos, ','); | |
586 | if (!pos) | |
587 | break; | |
588 | pos++; | |
589 | } | |
590 | ||
591 | if (count < 16 || count & 1) { | |
592 | wpa_printf(MSG_INFO, "Invalid QoS Map Set"); | |
593 | return -1; | |
594 | } | |
595 | ||
596 | ret = hostapd_drv_set_qos_map(hapd, qos_map_set, count); | |
597 | if (ret) { | |
598 | wpa_printf(MSG_INFO, "Failed to set QoS Map Set"); | |
599 | return -1; | |
600 | } | |
601 | ||
602 | os_memcpy(hapd->conf->qos_map_set, qos_map_set, count); | |
603 | hapd->conf->qos_map_set_len = count; | |
604 | ||
605 | return 0; | |
606 | } | |
607 | ||
608 | ||
609 | static int hostapd_ctrl_iface_send_qos_map_conf(struct hostapd_data *hapd, | |
610 | const char *cmd) | |
611 | { | |
612 | u8 addr[ETH_ALEN]; | |
613 | struct sta_info *sta; | |
614 | struct wpabuf *buf; | |
615 | u8 *qos_map_set = hapd->conf->qos_map_set; | |
616 | u8 qos_map_set_len = hapd->conf->qos_map_set_len; | |
617 | int ret; | |
618 | ||
619 | if (!qos_map_set_len) { | |
620 | wpa_printf(MSG_INFO, "QoS Map Set is not set"); | |
621 | return -1; | |
622 | } | |
623 | ||
624 | if (hwaddr_aton(cmd, addr)) | |
625 | return -1; | |
626 | ||
627 | sta = ap_get_sta(hapd, addr); | |
628 | if (sta == NULL) { | |
629 | wpa_printf(MSG_DEBUG, "Station " MACSTR " not found " | |
630 | "for QoS Map Configuration message", | |
631 | MAC2STR(addr)); | |
632 | return -1; | |
633 | } | |
634 | ||
635 | if (!sta->qos_map_enabled) { | |
636 | wpa_printf(MSG_DEBUG, "Station " MACSTR " did not indicate " | |
637 | "support for QoS Map", MAC2STR(addr)); | |
638 | return -1; | |
639 | } | |
640 | ||
641 | buf = wpabuf_alloc(2 + 2 + qos_map_set_len); | |
642 | if (buf == NULL) | |
643 | return -1; | |
644 | ||
645 | wpabuf_put_u8(buf, WLAN_ACTION_QOS); | |
646 | wpabuf_put_u8(buf, QOS_QOS_MAP_CONFIG); | |
647 | ||
648 | /* QoS Map Set Element */ | |
649 | wpabuf_put_u8(buf, WLAN_EID_QOS_MAP_SET); | |
650 | wpabuf_put_u8(buf, qos_map_set_len); | |
651 | wpabuf_put_data(buf, qos_map_set, qos_map_set_len); | |
652 | ||
653 | ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr, | |
654 | wpabuf_head(buf), wpabuf_len(buf)); | |
655 | wpabuf_free(buf); | |
656 | ||
657 | return ret; | |
658 | } | |
659 | ||
660 | #endif /* CONFIG_INTERWORKING */ | |
661 | ||
662 | ||
2049a875 JM |
663 | #ifdef CONFIG_WNM |
664 | ||
665 | static int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd, | |
666 | const char *cmd) | |
667 | { | |
668 | u8 addr[ETH_ALEN]; | |
669 | u8 buf[1000], *pos; | |
670 | struct ieee80211_mgmt *mgmt; | |
671 | int disassoc_timer; | |
672 | ||
673 | if (hwaddr_aton(cmd, addr)) | |
674 | return -1; | |
675 | if (cmd[17] != ' ') | |
676 | return -1; | |
677 | disassoc_timer = atoi(cmd + 17); | |
678 | ||
679 | os_memset(buf, 0, sizeof(buf)); | |
680 | mgmt = (struct ieee80211_mgmt *) buf; | |
681 | mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
682 | WLAN_FC_STYPE_ACTION); | |
683 | os_memcpy(mgmt->da, addr, ETH_ALEN); | |
684 | os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); | |
685 | os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); | |
686 | mgmt->u.action.category = WLAN_ACTION_WNM; | |
687 | mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ; | |
688 | mgmt->u.action.u.bss_tm_req.dialog_token = 1; | |
689 | mgmt->u.action.u.bss_tm_req.req_mode = | |
690 | WNM_BSS_TM_REQ_DISASSOC_IMMINENT; | |
691 | mgmt->u.action.u.bss_tm_req.disassoc_timer = | |
692 | host_to_le16(disassoc_timer); | |
693 | mgmt->u.action.u.bss_tm_req.validity_interval = 0; | |
694 | ||
695 | pos = mgmt->u.action.u.bss_tm_req.variable; | |
696 | ||
697 | if (hostapd_drv_send_mlme(hapd, buf, pos - buf, 0) < 0) { | |
698 | wpa_printf(MSG_DEBUG, "Failed to send BSS Transition " | |
699 | "Management Request frame"); | |
700 | return -1; | |
701 | } | |
702 | ||
703 | return 0; | |
704 | } | |
705 | ||
706 | ||
71269b37 JM |
707 | static int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd, |
708 | const char *cmd) | |
709 | { | |
710 | u8 addr[ETH_ALEN]; | |
d5b559b6 | 711 | const char *url, *timerstr; |
d5b559b6 | 712 | int disassoc_timer; |
2025cad9 | 713 | struct sta_info *sta; |
71269b37 JM |
714 | |
715 | if (hwaddr_aton(cmd, addr)) | |
716 | return -1; | |
d5b559b6 | 717 | |
2025cad9 JM |
718 | sta = ap_get_sta(hapd, addr); |
719 | if (sta == NULL) { | |
720 | wpa_printf(MSG_DEBUG, "Station " MACSTR | |
721 | " not found for ESS disassociation imminent message", | |
722 | MAC2STR(addr)); | |
723 | return -1; | |
724 | } | |
725 | ||
d5b559b6 KP |
726 | timerstr = cmd + 17; |
727 | if (*timerstr != ' ') | |
728 | return -1; | |
729 | timerstr++; | |
730 | disassoc_timer = atoi(timerstr); | |
731 | if (disassoc_timer < 0 || disassoc_timer > 65535) | |
732 | return -1; | |
733 | ||
734 | url = os_strchr(timerstr, ' '); | |
eb4737f6 | 735 | if (url == NULL) |
71269b37 JM |
736 | return -1; |
737 | url++; | |
71269b37 | 738 | |
2025cad9 | 739 | return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer); |
71269b37 JM |
740 | } |
741 | ||
2049a875 JM |
742 | #endif /* CONFIG_WNM */ |
743 | ||
71269b37 | 744 | |
403b96fe JM |
745 | static int hostapd_ctrl_iface_get_config(struct hostapd_data *hapd, |
746 | char *buf, size_t buflen) | |
747 | { | |
748 | int ret; | |
749 | char *pos, *end; | |
750 | ||
751 | pos = buf; | |
752 | end = buf + buflen; | |
753 | ||
754 | ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n" | |
755 | "ssid=%s\n", | |
756 | MAC2STR(hapd->own_addr), | |
986de33d JM |
757 | wpa_ssid_txt(hapd->conf->ssid.ssid, |
758 | hapd->conf->ssid.ssid_len)); | |
403b96fe JM |
759 | if (ret < 0 || ret >= end - pos) |
760 | return pos - buf; | |
761 | pos += ret; | |
762 | ||
763 | #ifdef CONFIG_WPS | |
764 | ret = os_snprintf(pos, end - pos, "wps_state=%s\n", | |
765 | hapd->conf->wps_state == 0 ? "disabled" : | |
766 | (hapd->conf->wps_state == 1 ? "not configured" : | |
767 | "configured")); | |
768 | if (ret < 0 || ret >= end - pos) | |
769 | return pos - buf; | |
770 | pos += ret; | |
771 | ||
088a2255 | 772 | if (hapd->conf->wps_state && hapd->conf->wpa && |
403b96fe JM |
773 | hapd->conf->ssid.wpa_passphrase) { |
774 | ret = os_snprintf(pos, end - pos, "passphrase=%s\n", | |
775 | hapd->conf->ssid.wpa_passphrase); | |
776 | if (ret < 0 || ret >= end - pos) | |
777 | return pos - buf; | |
778 | pos += ret; | |
779 | } | |
780 | ||
088a2255 JM |
781 | if (hapd->conf->wps_state && hapd->conf->wpa && |
782 | hapd->conf->ssid.wpa_psk && | |
403b96fe JM |
783 | hapd->conf->ssid.wpa_psk->group) { |
784 | char hex[PMK_LEN * 2 + 1]; | |
785 | wpa_snprintf_hex(hex, sizeof(hex), | |
786 | hapd->conf->ssid.wpa_psk->psk, PMK_LEN); | |
787 | ret = os_snprintf(pos, end - pos, "psk=%s\n", hex); | |
788 | if (ret < 0 || ret >= end - pos) | |
789 | return pos - buf; | |
790 | pos += ret; | |
791 | } | |
792 | #endif /* CONFIG_WPS */ | |
793 | ||
794 | if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) { | |
795 | ret = os_snprintf(pos, end - pos, "key_mgmt="); | |
796 | if (ret < 0 || ret >= end - pos) | |
797 | return pos - buf; | |
798 | pos += ret; | |
799 | ||
800 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) { | |
801 | ret = os_snprintf(pos, end - pos, "WPA-PSK "); | |
802 | if (ret < 0 || ret >= end - pos) | |
803 | return pos - buf; | |
804 | pos += ret; | |
805 | } | |
806 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) { | |
807 | ret = os_snprintf(pos, end - pos, "WPA-EAP "); | |
808 | if (ret < 0 || ret >= end - pos) | |
809 | return pos - buf; | |
810 | pos += ret; | |
811 | } | |
812 | #ifdef CONFIG_IEEE80211R | |
813 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) { | |
814 | ret = os_snprintf(pos, end - pos, "FT-PSK "); | |
815 | if (ret < 0 || ret >= end - pos) | |
816 | return pos - buf; | |
817 | pos += ret; | |
818 | } | |
819 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) { | |
820 | ret = os_snprintf(pos, end - pos, "FT-EAP "); | |
821 | if (ret < 0 || ret >= end - pos) | |
822 | return pos - buf; | |
823 | pos += ret; | |
824 | } | |
825 | #endif /* CONFIG_IEEE80211R */ | |
826 | #ifdef CONFIG_IEEE80211W | |
827 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) { | |
828 | ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 "); | |
829 | if (ret < 0 || ret >= end - pos) | |
830 | return pos - buf; | |
831 | pos += ret; | |
832 | } | |
833 | if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) { | |
834 | ret = os_snprintf(pos, end - pos, "WPA-EAP-SHA256 "); | |
835 | if (ret < 0 || ret >= end - pos) | |
836 | return pos - buf; | |
837 | pos += ret; | |
838 | } | |
839 | #endif /* CONFIG_IEEE80211W */ | |
840 | ||
841 | ret = os_snprintf(pos, end - pos, "\n"); | |
842 | if (ret < 0 || ret >= end - pos) | |
843 | return pos - buf; | |
844 | pos += ret; | |
845 | } | |
846 | ||
0282a8c4 JM |
847 | if (hapd->conf->wpa) { |
848 | ret = os_snprintf(pos, end - pos, "group_cipher=%s\n", | |
849 | wpa_cipher_txt(hapd->conf->wpa_group)); | |
403b96fe JM |
850 | if (ret < 0 || ret >= end - pos) |
851 | return pos - buf; | |
852 | pos += ret; | |
853 | } | |
854 | ||
855 | if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->rsn_pairwise) { | |
856 | ret = os_snprintf(pos, end - pos, "rsn_pairwise_cipher="); | |
857 | if (ret < 0 || ret >= end - pos) | |
858 | return pos - buf; | |
859 | pos += ret; | |
860 | ||
0282a8c4 JM |
861 | ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise, |
862 | " "); | |
863 | if (ret < 0) | |
864 | return pos - buf; | |
865 | pos += ret; | |
403b96fe JM |
866 | |
867 | ret = os_snprintf(pos, end - pos, "\n"); | |
868 | if (ret < 0 || ret >= end - pos) | |
869 | return pos - buf; | |
870 | pos += ret; | |
871 | } | |
872 | ||
873 | if ((hapd->conf->wpa & WPA_PROTO_WPA) && hapd->conf->wpa_pairwise) { | |
874 | ret = os_snprintf(pos, end - pos, "wpa_pairwise_cipher="); | |
875 | if (ret < 0 || ret >= end - pos) | |
876 | return pos - buf; | |
877 | pos += ret; | |
878 | ||
0282a8c4 JM |
879 | ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise, |
880 | " "); | |
881 | if (ret < 0) | |
882 | return pos - buf; | |
883 | pos += ret; | |
403b96fe JM |
884 | |
885 | ret = os_snprintf(pos, end - pos, "\n"); | |
886 | if (ret < 0 || ret >= end - pos) | |
887 | return pos - buf; | |
888 | pos += ret; | |
889 | } | |
890 | ||
891 | return pos - buf; | |
892 | } | |
893 | ||
894 | ||
2c8a4eef | 895 | static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd) |
b4e34f2f JM |
896 | { |
897 | char *value; | |
898 | int ret = 0; | |
899 | ||
900 | value = os_strchr(cmd, ' '); | |
901 | if (value == NULL) | |
902 | return -1; | |
903 | *value++ = '\0'; | |
904 | ||
905 | wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value); | |
906 | if (0) { | |
907 | #ifdef CONFIG_WPS_TESTING | |
908 | } else if (os_strcasecmp(cmd, "wps_version_number") == 0) { | |
909 | long int val; | |
910 | val = strtol(value, NULL, 0); | |
911 | if (val < 0 || val > 0xff) { | |
912 | ret = -1; | |
913 | wpa_printf(MSG_DEBUG, "WPS: Invalid " | |
914 | "wps_version_number %ld", val); | |
915 | } else { | |
916 | wps_version_number = val; | |
917 | wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS " | |
918 | "version %u.%u", | |
919 | (wps_version_number & 0xf0) >> 4, | |
920 | wps_version_number & 0x0f); | |
2c8a4eef | 921 | hostapd_wps_update_ie(hapd); |
b4e34f2f JM |
922 | } |
923 | } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) { | |
924 | wps_testing_dummy_cred = atoi(value); | |
925 | wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d", | |
926 | wps_testing_dummy_cred); | |
927 | #endif /* CONFIG_WPS_TESTING */ | |
dca30c3f JK |
928 | #ifdef CONFIG_INTERWORKING |
929 | } else if (os_strcasecmp(cmd, "gas_frag_limit") == 0) { | |
930 | int val = atoi(value); | |
931 | if (val <= 0) | |
932 | ret = -1; | |
933 | else | |
934 | hapd->gas_frag_limit = val; | |
935 | #endif /* CONFIG_INTERWORKING */ | |
93827f45 JM |
936 | #ifdef CONFIG_TESTING_OPTIONS |
937 | } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) { | |
938 | hapd->ext_mgmt_frame_handling = atoi(value); | |
939 | #endif /* CONFIG_TESTING_OPTIONS */ | |
b4e34f2f | 940 | } else { |
31b79e11 | 941 | ret = hostapd_set_iface(hapd->iconf, hapd->conf, cmd, value); |
b4e34f2f JM |
942 | } |
943 | ||
944 | return ret; | |
945 | } | |
946 | ||
947 | ||
acec8d32 JM |
948 | static int hostapd_ctrl_iface_get(struct hostapd_data *hapd, char *cmd, |
949 | char *buf, size_t buflen) | |
950 | { | |
951 | int res; | |
952 | ||
953 | wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd); | |
954 | ||
955 | if (os_strcmp(cmd, "version") == 0) { | |
956 | res = os_snprintf(buf, buflen, "%s", VERSION_STR); | |
957 | if (res < 0 || (unsigned int) res >= buflen) | |
958 | return -1; | |
959 | return res; | |
960 | } | |
961 | ||
962 | return -1; | |
963 | } | |
964 | ||
965 | ||
75545652 SP |
966 | static int hostapd_ctrl_iface_enable(struct hostapd_iface *iface) |
967 | { | |
968 | if (hostapd_enable_iface(iface) < 0) { | |
969 | wpa_printf(MSG_ERROR, "Enabling of interface failed"); | |
970 | return -1; | |
971 | } | |
972 | return 0; | |
973 | } | |
974 | ||
975 | ||
976 | static int hostapd_ctrl_iface_reload(struct hostapd_iface *iface) | |
977 | { | |
978 | if (hostapd_reload_iface(iface) < 0) { | |
979 | wpa_printf(MSG_ERROR, "Reloading of interface failed"); | |
980 | return -1; | |
981 | } | |
982 | return 0; | |
983 | } | |
984 | ||
985 | ||
986 | static int hostapd_ctrl_iface_disable(struct hostapd_iface *iface) | |
987 | { | |
988 | if (hostapd_disable_iface(iface) < 0) { | |
989 | wpa_printf(MSG_ERROR, "Disabling of interface failed"); | |
990 | return -1; | |
991 | } | |
992 | return 0; | |
993 | } | |
994 | ||
995 | ||
ddf55174 | 996 | #ifdef CONFIG_TESTING_OPTIONS |
93827f45 | 997 | |
ddf55174 JM |
998 | static int hostapd_ctrl_iface_radar(struct hostapd_data *hapd, char *cmd) |
999 | { | |
1000 | union wpa_event_data data; | |
1001 | char *pos, *param; | |
1002 | enum wpa_event_type event; | |
1003 | ||
1004 | wpa_printf(MSG_DEBUG, "RADAR TEST: %s", cmd); | |
1005 | ||
1006 | os_memset(&data, 0, sizeof(data)); | |
1007 | ||
1008 | param = os_strchr(cmd, ' '); | |
1009 | if (param == NULL) | |
1010 | return -1; | |
1011 | *param++ = '\0'; | |
1012 | ||
1013 | if (os_strcmp(cmd, "DETECTED") == 0) | |
1014 | event = EVENT_DFS_RADAR_DETECTED; | |
1015 | else if (os_strcmp(cmd, "CAC-FINISHED") == 0) | |
1016 | event = EVENT_DFS_CAC_FINISHED; | |
1017 | else if (os_strcmp(cmd, "CAC-ABORTED") == 0) | |
1018 | event = EVENT_DFS_CAC_ABORTED; | |
1019 | else if (os_strcmp(cmd, "NOP-FINISHED") == 0) | |
1020 | event = EVENT_DFS_NOP_FINISHED; | |
1021 | else { | |
1022 | wpa_printf(MSG_DEBUG, "Unsupported RADAR test command: %s", | |
1023 | cmd); | |
1024 | return -1; | |
1025 | } | |
1026 | ||
1027 | pos = os_strstr(param, "freq="); | |
1028 | if (pos) | |
1029 | data.dfs_event.freq = atoi(pos + 5); | |
1030 | ||
1031 | pos = os_strstr(param, "ht_enabled=1"); | |
1032 | if (pos) | |
1033 | data.dfs_event.ht_enabled = 1; | |
1034 | ||
1035 | pos = os_strstr(param, "chan_offset="); | |
1036 | if (pos) | |
1037 | data.dfs_event.chan_offset = atoi(pos + 12); | |
1038 | ||
1039 | pos = os_strstr(param, "chan_width="); | |
1040 | if (pos) | |
1041 | data.dfs_event.chan_width = atoi(pos + 11); | |
1042 | ||
1043 | pos = os_strstr(param, "cf1="); | |
1044 | if (pos) | |
1045 | data.dfs_event.cf1 = atoi(pos + 4); | |
1046 | ||
1047 | pos = os_strstr(param, "cf2="); | |
1048 | if (pos) | |
1049 | data.dfs_event.cf2 = atoi(pos + 4); | |
1050 | ||
1051 | wpa_supplicant_event(hapd, event, &data); | |
1052 | ||
1053 | return 0; | |
1054 | } | |
93827f45 JM |
1055 | |
1056 | ||
1057 | static int hostapd_ctrl_iface_mgmt_tx(struct hostapd_data *hapd, char *cmd) | |
1058 | { | |
1059 | size_t len; | |
1060 | u8 *buf; | |
1061 | int res; | |
1062 | ||
1063 | wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd); | |
1064 | ||
1065 | len = os_strlen(cmd); | |
1066 | if (len & 1) | |
1067 | return -1; | |
1068 | len /= 2; | |
1069 | ||
1070 | buf = os_malloc(len); | |
1071 | if (buf == NULL) | |
1072 | return -1; | |
1073 | ||
1074 | if (hexstr2bin(cmd, buf, len) < 0) { | |
1075 | os_free(buf); | |
1076 | return -1; | |
1077 | } | |
1078 | ||
1079 | res = hostapd_drv_send_mlme(hapd, buf, len, 0); | |
1080 | os_free(buf); | |
1081 | return res; | |
1082 | } | |
1083 | ||
ddf55174 JM |
1084 | #endif /* CONFIG_TESTING_OPTIONS */ |
1085 | ||
1086 | ||
334bf36a AO |
1087 | static int hostapd_ctrl_iface_chan_switch(struct hostapd_data *hapd, char *pos) |
1088 | { | |
1089 | #ifdef NEED_AP_MLME | |
1090 | struct csa_settings settings; | |
1091 | int ret = hostapd_parse_csa_settings(pos, &settings); | |
1092 | ||
1093 | if (ret) | |
1094 | return ret; | |
1095 | ||
1096 | return hostapd_switch_channel(hapd, &settings); | |
1097 | #else /* NEED_AP_MLME */ | |
1098 | return -1; | |
1099 | #endif /* NEED_AP_MLME */ | |
1100 | } | |
1101 | ||
1102 | ||
6fc6879b JM |
1103 | static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx, |
1104 | void *sock_ctx) | |
1105 | { | |
1106 | struct hostapd_data *hapd = eloop_ctx; | |
1107 | char buf[256]; | |
1108 | int res; | |
1109 | struct sockaddr_un from; | |
1110 | socklen_t fromlen = sizeof(from); | |
1111 | char *reply; | |
1112 | const int reply_size = 4096; | |
1113 | int reply_len; | |
235f69fc | 1114 | int level = MSG_DEBUG; |
6fc6879b JM |
1115 | |
1116 | res = recvfrom(sock, buf, sizeof(buf) - 1, 0, | |
1117 | (struct sockaddr *) &from, &fromlen); | |
1118 | if (res < 0) { | |
1119 | perror("recvfrom(ctrl_iface)"); | |
1120 | return; | |
1121 | } | |
1122 | buf[res] = '\0'; | |
235f69fc JM |
1123 | if (os_strcmp(buf, "PING") == 0) |
1124 | level = MSG_EXCESSIVE; | |
1125 | wpa_hexdump_ascii(level, "RX ctrl_iface", (u8 *) buf, res); | |
6fc6879b JM |
1126 | |
1127 | reply = os_malloc(reply_size); | |
1128 | if (reply == NULL) { | |
1129 | sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from, | |
1130 | fromlen); | |
1131 | return; | |
1132 | } | |
1133 | ||
1134 | os_memcpy(reply, "OK\n", 3); | |
1135 | reply_len = 3; | |
1136 | ||
1137 | if (os_strcmp(buf, "PING") == 0) { | |
1138 | os_memcpy(reply, "PONG\n", 5); | |
1139 | reply_len = 5; | |
b41a47c0 BG |
1140 | } else if (os_strncmp(buf, "RELOG", 5) == 0) { |
1141 | if (wpa_debug_reopen_file() < 0) | |
1142 | reply_len = -1; | |
5ae6449c JM |
1143 | } else if (os_strcmp(buf, "STATUS") == 0) { |
1144 | reply_len = hostapd_ctrl_iface_status(hapd, reply, | |
1145 | reply_size); | |
6fc6879b JM |
1146 | } else if (os_strcmp(buf, "MIB") == 0) { |
1147 | reply_len = ieee802_11_get_mib(hapd, reply, reply_size); | |
1148 | if (reply_len >= 0) { | |
1149 | res = wpa_get_mib(hapd->wpa_auth, reply + reply_len, | |
1150 | reply_size - reply_len); | |
1151 | if (res < 0) | |
1152 | reply_len = -1; | |
1153 | else | |
1154 | reply_len += res; | |
1155 | } | |
1156 | if (reply_len >= 0) { | |
1157 | res = ieee802_1x_get_mib(hapd, reply + reply_len, | |
1158 | reply_size - reply_len); | |
1159 | if (res < 0) | |
1160 | reply_len = -1; | |
1161 | else | |
1162 | reply_len += res; | |
1163 | } | |
74784010 | 1164 | #ifndef CONFIG_NO_RADIUS |
6fc6879b JM |
1165 | if (reply_len >= 0) { |
1166 | res = radius_client_get_mib(hapd->radius, | |
1167 | reply + reply_len, | |
1168 | reply_size - reply_len); | |
1169 | if (res < 0) | |
1170 | reply_len = -1; | |
1171 | else | |
1172 | reply_len += res; | |
1173 | } | |
74784010 | 1174 | #endif /* CONFIG_NO_RADIUS */ |
6fc6879b JM |
1175 | } else if (os_strcmp(buf, "STA-FIRST") == 0) { |
1176 | reply_len = hostapd_ctrl_iface_sta_first(hapd, reply, | |
1177 | reply_size); | |
1178 | } else if (os_strncmp(buf, "STA ", 4) == 0) { | |
1179 | reply_len = hostapd_ctrl_iface_sta(hapd, buf + 4, reply, | |
1180 | reply_size); | |
1181 | } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) { | |
1182 | reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply, | |
1183 | reply_size); | |
1184 | } else if (os_strcmp(buf, "ATTACH") == 0) { | |
1185 | if (hostapd_ctrl_iface_attach(hapd, &from, fromlen)) | |
1186 | reply_len = -1; | |
1187 | } else if (os_strcmp(buf, "DETACH") == 0) { | |
1188 | if (hostapd_ctrl_iface_detach(hapd, &from, fromlen)) | |
1189 | reply_len = -1; | |
1190 | } else if (os_strncmp(buf, "LEVEL ", 6) == 0) { | |
1191 | if (hostapd_ctrl_iface_level(hapd, &from, fromlen, | |
1192 | buf + 6)) | |
1193 | reply_len = -1; | |
1194 | } else if (os_strncmp(buf, "NEW_STA ", 8) == 0) { | |
1195 | if (hostapd_ctrl_iface_new_sta(hapd, buf + 8)) | |
1196 | reply_len = -1; | |
90a3206a JM |
1197 | } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) { |
1198 | if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15)) | |
1199 | reply_len = -1; | |
1200 | } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) { | |
1201 | if (hostapd_ctrl_iface_disassociate(hapd, buf + 13)) | |
1202 | reply_len = -1; | |
88b4b424 | 1203 | #ifdef CONFIG_IEEE80211W |
fe6bdb77 | 1204 | #ifdef NEED_AP_MLME |
88b4b424 JM |
1205 | } else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) { |
1206 | if (hostapd_ctrl_iface_sa_query(hapd, buf + 9)) | |
1207 | reply_len = -1; | |
fe6bdb77 | 1208 | #endif /* NEED_AP_MLME */ |
88b4b424 | 1209 | #endif /* CONFIG_IEEE80211W */ |
ad08c363 JM |
1210 | #ifdef CONFIG_WPS |
1211 | } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) { | |
1212 | if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8)) | |
1213 | reply_len = -1; | |
3981cb3c JM |
1214 | } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) { |
1215 | reply_len = hostapd_ctrl_iface_wps_check_pin( | |
1216 | hapd, buf + 14, reply, reply_size); | |
ad08c363 | 1217 | } else if (os_strcmp(buf, "WPS_PBC") == 0) { |
d601247c | 1218 | if (hostapd_wps_button_pushed(hapd, NULL)) |
ad08c363 | 1219 | reply_len = -1; |
4c374cde AS |
1220 | } else if (os_strcmp(buf, "WPS_CANCEL") == 0) { |
1221 | if (hostapd_wps_cancel(hapd)) | |
1222 | reply_len = -1; | |
5a1cc30f JM |
1223 | } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) { |
1224 | reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11, | |
1225 | reply, reply_size); | |
450eddcf JM |
1226 | } else if (os_strncmp(buf, "WPS_CONFIG ", 11) == 0) { |
1227 | if (hostapd_ctrl_iface_wps_config(hapd, buf + 11) < 0) | |
1228 | reply_len = -1; | |
3351a384 JM |
1229 | } else if (os_strncmp(buf, "WPS_GET_STATUS", 13) == 0) { |
1230 | reply_len = hostapd_ctrl_iface_wps_get_status(hapd, reply, | |
1231 | reply_size); | |
bb45b6d7 JM |
1232 | #ifdef CONFIG_WPS_NFC |
1233 | } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) { | |
1234 | if (hostapd_ctrl_iface_wps_nfc_tag_read(hapd, buf + 17)) | |
1235 | reply_len = -1; | |
3cf7a59d JM |
1236 | } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) { |
1237 | reply_len = hostapd_ctrl_iface_wps_nfc_config_token( | |
1238 | hapd, buf + 21, reply, reply_size); | |
ffdaa05a JM |
1239 | } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) { |
1240 | reply_len = hostapd_ctrl_iface_wps_nfc_token( | |
1241 | hapd, buf + 14, reply, reply_size); | |
6772a90a JM |
1242 | } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) { |
1243 | reply_len = hostapd_ctrl_iface_nfc_get_handover_sel( | |
1244 | hapd, buf + 21, reply, reply_size); | |
e4758827 JM |
1245 | } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) { |
1246 | if (hostapd_ctrl_iface_nfc_report_handover(hapd, buf + 20)) | |
1247 | reply_len = -1; | |
bb45b6d7 | 1248 | #endif /* CONFIG_WPS_NFC */ |
ad08c363 | 1249 | #endif /* CONFIG_WPS */ |
c551700f KP |
1250 | #ifdef CONFIG_INTERWORKING |
1251 | } else if (os_strncmp(buf, "SET_QOS_MAP_SET ", 16) == 0) { | |
1252 | if (hostapd_ctrl_iface_set_qos_map_set(hapd, buf + 16)) | |
1253 | reply_len = -1; | |
1254 | } else if (os_strncmp(buf, "SEND_QOS_MAP_CONF ", 18) == 0) { | |
1255 | if (hostapd_ctrl_iface_send_qos_map_conf(hapd, buf + 18)) | |
1256 | reply_len = -1; | |
1257 | #endif /* CONFIG_INTERWORKING */ | |
2049a875 JM |
1258 | #ifdef CONFIG_WNM |
1259 | } else if (os_strncmp(buf, "DISASSOC_IMMINENT ", 18) == 0) { | |
1260 | if (hostapd_ctrl_iface_disassoc_imminent(hapd, buf + 18)) | |
1261 | reply_len = -1; | |
71269b37 JM |
1262 | } else if (os_strncmp(buf, "ESS_DISASSOC ", 13) == 0) { |
1263 | if (hostapd_ctrl_iface_ess_disassoc(hapd, buf + 13)) | |
1264 | reply_len = -1; | |
2049a875 | 1265 | #endif /* CONFIG_WNM */ |
403b96fe JM |
1266 | } else if (os_strcmp(buf, "GET_CONFIG") == 0) { |
1267 | reply_len = hostapd_ctrl_iface_get_config(hapd, reply, | |
1268 | reply_size); | |
b4e34f2f JM |
1269 | } else if (os_strncmp(buf, "SET ", 4) == 0) { |
1270 | if (hostapd_ctrl_iface_set(hapd, buf + 4)) | |
1271 | reply_len = -1; | |
acec8d32 JM |
1272 | } else if (os_strncmp(buf, "GET ", 4) == 0) { |
1273 | reply_len = hostapd_ctrl_iface_get(hapd, buf + 4, reply, | |
1274 | reply_size); | |
75545652 SP |
1275 | } else if (os_strncmp(buf, "ENABLE", 6) == 0) { |
1276 | if (hostapd_ctrl_iface_enable(hapd->iface)) | |
1277 | reply_len = -1; | |
1278 | } else if (os_strncmp(buf, "RELOAD", 6) == 0) { | |
1279 | if (hostapd_ctrl_iface_reload(hapd->iface)) | |
1280 | reply_len = -1; | |
1281 | } else if (os_strncmp(buf, "DISABLE", 7) == 0) { | |
1282 | if (hostapd_ctrl_iface_disable(hapd->iface)) | |
1283 | reply_len = -1; | |
ddf55174 JM |
1284 | #ifdef CONFIG_TESTING_OPTIONS |
1285 | } else if (os_strncmp(buf, "RADAR ", 6) == 0) { | |
1286 | if (hostapd_ctrl_iface_radar(hapd, buf + 6)) | |
1287 | reply_len = -1; | |
93827f45 JM |
1288 | } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) { |
1289 | if (hostapd_ctrl_iface_mgmt_tx(hapd, buf + 8)) | |
1290 | reply_len = -1; | |
ddf55174 | 1291 | #endif /* CONFIG_TESTING_OPTIONS */ |
334bf36a AO |
1292 | } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) { |
1293 | if (hostapd_ctrl_iface_chan_switch(hapd, buf + 12)) | |
1294 | reply_len = -1; | |
6fc6879b JM |
1295 | } else { |
1296 | os_memcpy(reply, "UNKNOWN COMMAND\n", 16); | |
1297 | reply_len = 16; | |
1298 | } | |
1299 | ||
1300 | if (reply_len < 0) { | |
1301 | os_memcpy(reply, "FAIL\n", 5); | |
1302 | reply_len = 5; | |
1303 | } | |
1304 | sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, fromlen); | |
1305 | os_free(reply); | |
1306 | } | |
1307 | ||
1308 | ||
1309 | static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd) | |
1310 | { | |
1311 | char *buf; | |
1312 | size_t len; | |
1313 | ||
1314 | if (hapd->conf->ctrl_interface == NULL) | |
1315 | return NULL; | |
1316 | ||
1317 | len = os_strlen(hapd->conf->ctrl_interface) + | |
1318 | os_strlen(hapd->conf->iface) + 2; | |
1319 | buf = os_malloc(len); | |
1320 | if (buf == NULL) | |
1321 | return NULL; | |
1322 | ||
1323 | os_snprintf(buf, len, "%s/%s", | |
1324 | hapd->conf->ctrl_interface, hapd->conf->iface); | |
1325 | buf[len - 1] = '\0'; | |
1326 | return buf; | |
1327 | } | |
1328 | ||
1329 | ||
47bfe49c | 1330 | static void hostapd_ctrl_iface_msg_cb(void *ctx, int level, int global, |
42d16805 JM |
1331 | const char *txt, size_t len) |
1332 | { | |
1333 | struct hostapd_data *hapd = ctx; | |
1334 | if (hapd == NULL) | |
1335 | return; | |
1336 | hostapd_ctrl_iface_send(hapd, level, txt, len); | |
1337 | } | |
1338 | ||
1339 | ||
6fc6879b JM |
1340 | int hostapd_ctrl_iface_init(struct hostapd_data *hapd) |
1341 | { | |
1342 | struct sockaddr_un addr; | |
1343 | int s = -1; | |
1344 | char *fname = NULL; | |
1345 | ||
9e7d033e SP |
1346 | if (hapd->ctrl_sock > -1) { |
1347 | wpa_printf(MSG_DEBUG, "ctrl_iface already exists!"); | |
1348 | return 0; | |
1349 | } | |
6fc6879b JM |
1350 | |
1351 | if (hapd->conf->ctrl_interface == NULL) | |
1352 | return 0; | |
1353 | ||
1354 | if (mkdir(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) { | |
1355 | if (errno == EEXIST) { | |
1356 | wpa_printf(MSG_DEBUG, "Using existing control " | |
1357 | "interface directory."); | |
1358 | } else { | |
1359 | perror("mkdir[ctrl_interface]"); | |
1360 | goto fail; | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | if (hapd->conf->ctrl_interface_gid_set && | |
9cbd5845 | 1365 | chown(hapd->conf->ctrl_interface, -1, |
6fc6879b JM |
1366 | hapd->conf->ctrl_interface_gid) < 0) { |
1367 | perror("chown[ctrl_interface]"); | |
1368 | return -1; | |
1369 | } | |
1370 | ||
187f87f0 JM |
1371 | if (!hapd->conf->ctrl_interface_gid_set && |
1372 | hapd->iface->interfaces->ctrl_iface_group && | |
1373 | chown(hapd->conf->ctrl_interface, -1, | |
1374 | hapd->iface->interfaces->ctrl_iface_group) < 0) { | |
1375 | perror("chown[ctrl_interface]"); | |
1376 | return -1; | |
1377 | } | |
1378 | ||
5bbf590a PF |
1379 | #ifdef ANDROID |
1380 | /* | |
1381 | * Android is using umask 0077 which would leave the control interface | |
1382 | * directory without group access. This breaks things since Wi-Fi | |
1383 | * framework assumes that this directory can be accessed by other | |
1384 | * applications in the wifi group. Fix this by adding group access even | |
1385 | * if umask value would prevent this. | |
1386 | */ | |
1387 | if (chmod(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) { | |
1388 | wpa_printf(MSG_ERROR, "CTRL: Could not chmod directory: %s", | |
1389 | strerror(errno)); | |
1390 | /* Try to continue anyway */ | |
1391 | } | |
1392 | #endif /* ANDROID */ | |
1393 | ||
6fc6879b JM |
1394 | if (os_strlen(hapd->conf->ctrl_interface) + 1 + |
1395 | os_strlen(hapd->conf->iface) >= sizeof(addr.sun_path)) | |
1396 | goto fail; | |
1397 | ||
1398 | s = socket(PF_UNIX, SOCK_DGRAM, 0); | |
1399 | if (s < 0) { | |
1400 | perror("socket(PF_UNIX)"); | |
1401 | goto fail; | |
1402 | } | |
1403 | ||
1404 | os_memset(&addr, 0, sizeof(addr)); | |
75864b7f JM |
1405 | #ifdef __FreeBSD__ |
1406 | addr.sun_len = sizeof(addr); | |
1407 | #endif /* __FreeBSD__ */ | |
6fc6879b JM |
1408 | addr.sun_family = AF_UNIX; |
1409 | fname = hostapd_ctrl_iface_path(hapd); | |
1410 | if (fname == NULL) | |
1411 | goto fail; | |
1412 | os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path)); | |
1413 | if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { | |
617d1555 JM |
1414 | wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s", |
1415 | strerror(errno)); | |
1416 | if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { | |
1417 | wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not" | |
1418 | " allow connections - assuming it was left" | |
1419 | "over from forced program termination"); | |
1420 | if (unlink(fname) < 0) { | |
1421 | perror("unlink[ctrl_iface]"); | |
1422 | wpa_printf(MSG_ERROR, "Could not unlink " | |
1423 | "existing ctrl_iface socket '%s'", | |
1424 | fname); | |
1425 | goto fail; | |
1426 | } | |
1427 | if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < | |
1428 | 0) { | |
9d053747 | 1429 | perror("hostapd-ctrl-iface: bind(PF_UNIX)"); |
617d1555 JM |
1430 | goto fail; |
1431 | } | |
1432 | wpa_printf(MSG_DEBUG, "Successfully replaced leftover " | |
1433 | "ctrl_iface socket '%s'", fname); | |
1434 | } else { | |
1435 | wpa_printf(MSG_INFO, "ctrl_iface exists and seems to " | |
1436 | "be in use - cannot override it"); | |
1437 | wpa_printf(MSG_INFO, "Delete '%s' manually if it is " | |
1438 | "not used anymore", fname); | |
1439 | os_free(fname); | |
1440 | fname = NULL; | |
1441 | goto fail; | |
1442 | } | |
6fc6879b JM |
1443 | } |
1444 | ||
1445 | if (hapd->conf->ctrl_interface_gid_set && | |
9cbd5845 | 1446 | chown(fname, -1, hapd->conf->ctrl_interface_gid) < 0) { |
6fc6879b JM |
1447 | perror("chown[ctrl_interface/ifname]"); |
1448 | goto fail; | |
1449 | } | |
1450 | ||
187f87f0 JM |
1451 | if (!hapd->conf->ctrl_interface_gid_set && |
1452 | hapd->iface->interfaces->ctrl_iface_group && | |
1453 | chown(fname, -1, hapd->iface->interfaces->ctrl_iface_group) < 0) { | |
1454 | perror("chown[ctrl_interface/ifname]"); | |
1455 | goto fail; | |
1456 | } | |
1457 | ||
6fc6879b JM |
1458 | if (chmod(fname, S_IRWXU | S_IRWXG) < 0) { |
1459 | perror("chmod[ctrl_interface/ifname]"); | |
1460 | goto fail; | |
1461 | } | |
1462 | os_free(fname); | |
1463 | ||
1464 | hapd->ctrl_sock = s; | |
1465 | eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd, | |
1466 | NULL); | |
4f760fcc | 1467 | hapd->msg_ctx = hapd; |
42d16805 | 1468 | wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb); |
6fc6879b JM |
1469 | |
1470 | return 0; | |
1471 | ||
1472 | fail: | |
1473 | if (s >= 0) | |
1474 | close(s); | |
1475 | if (fname) { | |
1476 | unlink(fname); | |
1477 | os_free(fname); | |
1478 | } | |
1479 | return -1; | |
1480 | } | |
1481 | ||
1482 | ||
1483 | void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd) | |
1484 | { | |
1485 | struct wpa_ctrl_dst *dst, *prev; | |
1486 | ||
1487 | if (hapd->ctrl_sock > -1) { | |
1488 | char *fname; | |
1489 | eloop_unregister_read_sock(hapd->ctrl_sock); | |
1490 | close(hapd->ctrl_sock); | |
1491 | hapd->ctrl_sock = -1; | |
1492 | fname = hostapd_ctrl_iface_path(hapd); | |
1493 | if (fname) | |
1494 | unlink(fname); | |
1495 | os_free(fname); | |
1496 | ||
1497 | if (hapd->conf->ctrl_interface && | |
1498 | rmdir(hapd->conf->ctrl_interface) < 0) { | |
1499 | if (errno == ENOTEMPTY) { | |
1500 | wpa_printf(MSG_DEBUG, "Control interface " | |
1501 | "directory not empty - leaving it " | |
1502 | "behind"); | |
1503 | } else { | |
2c6f8cf6 JM |
1504 | wpa_printf(MSG_ERROR, |
1505 | "rmdir[ctrl_interface=%s]: %s", | |
1506 | hapd->conf->ctrl_interface, | |
1507 | strerror(errno)); | |
6fc6879b JM |
1508 | } |
1509 | } | |
1510 | } | |
1511 | ||
1512 | dst = hapd->ctrl_dst; | |
1513 | while (dst) { | |
1514 | prev = dst; | |
1515 | dst = dst->next; | |
1516 | os_free(prev); | |
1517 | } | |
1518 | } | |
1519 | ||
1520 | ||
06bb8c62 SP |
1521 | static int hostapd_ctrl_iface_add(struct hapd_interfaces *interfaces, |
1522 | char *buf) | |
1523 | { | |
1524 | if (hostapd_add_iface(interfaces, buf) < 0) { | |
1525 | wpa_printf(MSG_ERROR, "Adding interface %s failed", buf); | |
1526 | return -1; | |
1527 | } | |
1528 | return 0; | |
1529 | } | |
1530 | ||
1531 | ||
1532 | static int hostapd_ctrl_iface_remove(struct hapd_interfaces *interfaces, | |
1533 | char *buf) | |
1534 | { | |
1535 | if (hostapd_remove_iface(interfaces, buf) < 0) { | |
1536 | wpa_printf(MSG_ERROR, "Removing interface %s failed", buf); | |
1537 | return -1; | |
1538 | } | |
1539 | return 0; | |
1540 | } | |
1541 | ||
1542 | ||
c90fd485 SP |
1543 | static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx, |
1544 | void *sock_ctx) | |
1545 | { | |
06bb8c62 | 1546 | void *interfaces = eloop_ctx; |
c90fd485 SP |
1547 | char buf[256]; |
1548 | int res; | |
1549 | struct sockaddr_un from; | |
1550 | socklen_t fromlen = sizeof(from); | |
1551 | char reply[24]; | |
1552 | int reply_len; | |
1553 | ||
1554 | res = recvfrom(sock, buf, sizeof(buf) - 1, 0, | |
1555 | (struct sockaddr *) &from, &fromlen); | |
1556 | if (res < 0) { | |
1557 | perror("recvfrom(ctrl_iface)"); | |
1558 | return; | |
1559 | } | |
1560 | buf[res] = '\0'; | |
3f134b43 | 1561 | wpa_printf(MSG_DEBUG, "Global ctrl_iface command: %s", buf); |
c90fd485 SP |
1562 | |
1563 | os_memcpy(reply, "OK\n", 3); | |
1564 | reply_len = 3; | |
1565 | ||
1566 | if (os_strcmp(buf, "PING") == 0) { | |
1567 | os_memcpy(reply, "PONG\n", 5); | |
1568 | reply_len = 5; | |
3f134b43 JM |
1569 | } else if (os_strncmp(buf, "RELOG", 5) == 0) { |
1570 | if (wpa_debug_reopen_file() < 0) | |
1571 | reply_len = -1; | |
06bb8c62 SP |
1572 | } else if (os_strncmp(buf, "ADD ", 4) == 0) { |
1573 | if (hostapd_ctrl_iface_add(interfaces, buf + 4) < 0) | |
1574 | reply_len = -1; | |
1575 | } else if (os_strncmp(buf, "REMOVE ", 7) == 0) { | |
1576 | if (hostapd_ctrl_iface_remove(interfaces, buf + 7) < 0) | |
1577 | reply_len = -1; | |
c90fd485 SP |
1578 | } else { |
1579 | wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command " | |
1580 | "ignored"); | |
1581 | reply_len = -1; | |
1582 | } | |
1583 | ||
1584 | if (reply_len < 0) { | |
1585 | os_memcpy(reply, "FAIL\n", 5); | |
1586 | reply_len = 5; | |
1587 | } | |
1588 | ||
1589 | sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, fromlen); | |
1590 | } | |
1591 | ||
1592 | ||
1593 | static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface) | |
1594 | { | |
1595 | char *buf; | |
1596 | size_t len; | |
1597 | ||
1598 | if (interface->global_iface_path == NULL) | |
1599 | return NULL; | |
1600 | ||
1601 | len = os_strlen(interface->global_iface_path) + | |
1602 | os_strlen(interface->global_iface_name) + 2; | |
1603 | buf = os_malloc(len); | |
1604 | if (buf == NULL) | |
1605 | return NULL; | |
1606 | ||
1607 | os_snprintf(buf, len, "%s/%s", interface->global_iface_path, | |
1608 | interface->global_iface_name); | |
1609 | buf[len - 1] = '\0'; | |
1610 | return buf; | |
1611 | } | |
1612 | ||
1613 | ||
1614 | int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface) | |
1615 | { | |
1616 | struct sockaddr_un addr; | |
1617 | int s = -1; | |
1618 | char *fname = NULL; | |
1619 | ||
1620 | if (interface->global_iface_path == NULL) { | |
1621 | wpa_printf(MSG_DEBUG, "ctrl_iface not configured!"); | |
1622 | return 0; | |
1623 | } | |
1624 | ||
1625 | if (mkdir(interface->global_iface_path, S_IRWXU | S_IRWXG) < 0) { | |
1626 | if (errno == EEXIST) { | |
1627 | wpa_printf(MSG_DEBUG, "Using existing control " | |
1628 | "interface directory."); | |
1629 | } else { | |
1630 | perror("mkdir[ctrl_interface]"); | |
1631 | goto fail; | |
1632 | } | |
187f87f0 JM |
1633 | } else if (interface->ctrl_iface_group && |
1634 | chown(interface->global_iface_path, -1, | |
1635 | interface->ctrl_iface_group) < 0) { | |
1636 | perror("chown[ctrl_interface]"); | |
1637 | goto fail; | |
c90fd485 SP |
1638 | } |
1639 | ||
1640 | if (os_strlen(interface->global_iface_path) + 1 + | |
1641 | os_strlen(interface->global_iface_name) >= sizeof(addr.sun_path)) | |
1642 | goto fail; | |
1643 | ||
1644 | s = socket(PF_UNIX, SOCK_DGRAM, 0); | |
1645 | if (s < 0) { | |
1646 | perror("socket(PF_UNIX)"); | |
1647 | goto fail; | |
1648 | } | |
1649 | ||
1650 | os_memset(&addr, 0, sizeof(addr)); | |
1651 | #ifdef __FreeBSD__ | |
1652 | addr.sun_len = sizeof(addr); | |
1653 | #endif /* __FreeBSD__ */ | |
1654 | addr.sun_family = AF_UNIX; | |
1655 | fname = hostapd_global_ctrl_iface_path(interface); | |
1656 | if (fname == NULL) | |
1657 | goto fail; | |
1658 | os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path)); | |
1659 | if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { | |
1660 | wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s", | |
1661 | strerror(errno)); | |
1662 | if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { | |
1663 | wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not" | |
1664 | " allow connections - assuming it was left" | |
1665 | "over from forced program termination"); | |
1666 | if (unlink(fname) < 0) { | |
1667 | perror("unlink[ctrl_iface]"); | |
1668 | wpa_printf(MSG_ERROR, "Could not unlink " | |
1669 | "existing ctrl_iface socket '%s'", | |
1670 | fname); | |
1671 | goto fail; | |
1672 | } | |
1673 | if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < | |
1674 | 0) { | |
1675 | perror("bind(PF_UNIX)"); | |
1676 | goto fail; | |
1677 | } | |
1678 | wpa_printf(MSG_DEBUG, "Successfully replaced leftover " | |
1679 | "ctrl_iface socket '%s'", fname); | |
1680 | } else { | |
1681 | wpa_printf(MSG_INFO, "ctrl_iface exists and seems to " | |
1682 | "be in use - cannot override it"); | |
1683 | wpa_printf(MSG_INFO, "Delete '%s' manually if it is " | |
1684 | "not used anymore", fname); | |
1685 | os_free(fname); | |
1686 | fname = NULL; | |
1687 | goto fail; | |
1688 | } | |
1689 | } | |
1690 | ||
187f87f0 JM |
1691 | if (interface->ctrl_iface_group && |
1692 | chown(fname, -1, interface->ctrl_iface_group) < 0) { | |
1693 | perror("chown[ctrl_interface]"); | |
1694 | goto fail; | |
1695 | } | |
1696 | ||
c90fd485 SP |
1697 | if (chmod(fname, S_IRWXU | S_IRWXG) < 0) { |
1698 | perror("chmod[ctrl_interface/ifname]"); | |
1699 | goto fail; | |
1700 | } | |
1701 | os_free(fname); | |
1702 | ||
1703 | interface->global_ctrl_sock = s; | |
1704 | eloop_register_read_sock(s, hostapd_global_ctrl_iface_receive, | |
1705 | interface, NULL); | |
1706 | ||
1707 | return 0; | |
1708 | ||
1709 | fail: | |
1710 | if (s >= 0) | |
1711 | close(s); | |
1712 | if (fname) { | |
1713 | unlink(fname); | |
1714 | os_free(fname); | |
1715 | } | |
1716 | return -1; | |
1717 | } | |
1718 | ||
1719 | ||
1720 | void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces) | |
1721 | { | |
1722 | char *fname = NULL; | |
1723 | ||
1724 | if (interfaces->global_ctrl_sock > -1) { | |
1725 | eloop_unregister_read_sock(interfaces->global_ctrl_sock); | |
1726 | close(interfaces->global_ctrl_sock); | |
1727 | interfaces->global_ctrl_sock = -1; | |
1728 | fname = hostapd_global_ctrl_iface_path(interfaces); | |
1729 | if (fname) { | |
1730 | unlink(fname); | |
1731 | os_free(fname); | |
1732 | } | |
1733 | ||
1734 | if (interfaces->global_iface_path && | |
1735 | rmdir(interfaces->global_iface_path) < 0) { | |
1736 | if (errno == ENOTEMPTY) { | |
1737 | wpa_printf(MSG_DEBUG, "Control interface " | |
1738 | "directory not empty - leaving it " | |
1739 | "behind"); | |
1740 | } else { | |
2c6f8cf6 JM |
1741 | wpa_printf(MSG_ERROR, |
1742 | "rmdir[ctrl_interface=%s]: %s", | |
1743 | interfaces->global_iface_path, | |
1744 | strerror(errno)); | |
c90fd485 SP |
1745 | } |
1746 | } | |
1747 | os_free(interfaces->global_iface_path); | |
1748 | interfaces->global_iface_path = NULL; | |
1749 | } | |
1750 | } | |
1751 | ||
1752 | ||
42d16805 JM |
1753 | static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level, |
1754 | const char *buf, size_t len) | |
6fc6879b JM |
1755 | { |
1756 | struct wpa_ctrl_dst *dst, *next; | |
1757 | struct msghdr msg; | |
1758 | int idx; | |
1759 | struct iovec io[2]; | |
1760 | char levelstr[10]; | |
1761 | ||
1762 | dst = hapd->ctrl_dst; | |
1763 | if (hapd->ctrl_sock < 0 || dst == NULL) | |
1764 | return; | |
1765 | ||
1766 | os_snprintf(levelstr, sizeof(levelstr), "<%d>", level); | |
1767 | io[0].iov_base = levelstr; | |
1768 | io[0].iov_len = os_strlen(levelstr); | |
42d16805 | 1769 | io[1].iov_base = (char *) buf; |
6fc6879b JM |
1770 | io[1].iov_len = len; |
1771 | os_memset(&msg, 0, sizeof(msg)); | |
1772 | msg.msg_iov = io; | |
1773 | msg.msg_iovlen = 2; | |
1774 | ||
1775 | idx = 0; | |
1776 | while (dst) { | |
1777 | next = dst->next; | |
1778 | if (level >= dst->debug_level) { | |
1779 | wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send", | |
75864b7f JM |
1780 | (u8 *) dst->addr.sun_path, dst->addrlen - |
1781 | offsetof(struct sockaddr_un, sun_path)); | |
6fc6879b JM |
1782 | msg.msg_name = &dst->addr; |
1783 | msg.msg_namelen = dst->addrlen; | |
1784 | if (sendmsg(hapd->ctrl_sock, &msg, 0) < 0) { | |
c5aaa015 JM |
1785 | int _errno = errno; |
1786 | wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: " | |
1787 | "%d - %s", | |
1788 | idx, errno, strerror(errno)); | |
6fc6879b | 1789 | dst->errors++; |
c5aaa015 | 1790 | if (dst->errors > 10 || _errno == ENOENT) { |
6fc6879b JM |
1791 | hostapd_ctrl_iface_detach( |
1792 | hapd, &dst->addr, | |
1793 | dst->addrlen); | |
1794 | } | |
1795 | } else | |
1796 | dst->errors = 0; | |
1797 | } | |
1798 | idx++; | |
1799 | dst = next; | |
1800 | } | |
1801 | } | |
1802 | ||
1803 | #endif /* CONFIG_NATIVE_WINDOWS */ |